AbsListView.java revision 8eea3ea5591e59f55cbb4f6b2b7e9363a285ced3
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 20499cb9f516062b654952d282f211bee44c31a3c2Winson Chungimport android.content.Intent; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.TransitionDrawable; 26c1d7e770e123adfa992d013fa294693d077cbc78alanvimport android.os.Bundle; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 301cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrickimport android.os.StrictMode; 315fade8c69aef621312232ef0647502d7a63990b9Romain Guyimport android.os.Trace; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Editable; 33f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.text.InputType; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextWatcher; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 3752964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunneimport android.util.Log; 38f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.util.LongSparseArray; 39539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powellimport android.util.SparseArray; 40f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.util.SparseBooleanArray; 41079e23575024e103358c982152afb7a720ae1a8aDianne Hackbornimport android.util.StateSet; 42f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.ActionMode; 43637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powellimport android.view.ContextMenu.ContextMenuInfo; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.HapticFeedbackConstants; 4633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brownimport android.view.InputDevice; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 49f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.Menu; 50f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.MenuItem; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.VelocityTracker; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewConfiguration; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewDebug; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 5713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurkaimport android.view.ViewParent; 585d565faab21324862fa24490f116424e1b668b1dAlan Viveretteimport android.view.ViewRootImpl; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 60a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganovimport android.view.accessibility.AccessibilityEvent; 61c1d7e770e123adfa992d013fa294693d077cbc78alanvimport android.view.accessibility.AccessibilityManager; 62a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganovimport android.view.accessibility.AccessibilityNodeInfo; 630b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powellimport android.view.animation.Interpolator; 640b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powellimport android.view.animation.LinearInterpolator; 651bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.BaseInputConnection; 66f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.CompletionInfo; 67f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.CorrectionInfo; 68b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.EditorInfo; 69f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.ExtractedText; 70f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.ExtractedTextRequest; 71b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.InputConnection; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.inputmethod.InputMethodManager; 73a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohenimport android.widget.RemoteViews.OnClickHandler; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 75335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohenimport com.android.internal.R; 76335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 81d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Base class that can be used to implement virtualized lists of items. A list does 82d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * not have a spatial definition here. For instance, subclases of this class can 83d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * display the content of the list in a grid, in a carousel, as stack, etc. 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_stackFromBottom 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_scrollingCache 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_textFilterEnabled 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_transcriptMode 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_cacheColorHint 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_fastScrollEnabled 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 94f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @attr ref android.R.styleable#AbsListView_choiceMode 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class AbsListView extends AdapterView<ListAdapter> implements TextWatcher, 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewTreeObserver.OnGlobalLayoutListener, Filter.FilterListener, 98499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ViewTreeObserver.OnTouchModeChangeListener, 99499cb9f516062b654952d282f211bee44c31a3c2Winson Chung RemoteViewsAdapter.RemoteAdapterConnectionCallback { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy @SuppressWarnings("UnusedDeclaration") 102539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell private static final String TAG = "AbsListView"; 103539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disables the transcript mode. 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_DISABLED = 0; 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom when a data set change 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * notification is received and only if the last item is already visible 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on screen. 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_NORMAL = 1; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom, no matter what items 1200a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * are currently visible. 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_ALWAYS_SCROLL = 2; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that we are not in the middle of a touch gesture 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_REST = -1; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates we just received the touch event and we are waiting to see if the it is a tap or a 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scroll gesture. 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DOWN = 0; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch has been recognized as a tap and we are now waiting to see if the touch 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a longpress 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_TAP = 1; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates we have waited for everything we can wait for, but the user's finger is still down 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DONE_WAITING = 2; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch gesture is a scroll 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_SCROLL = 3; 1524e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the view is in the process of being flung 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_FLING = 4; 1570a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 159637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the touch gesture is an overscroll - a scroll beyond the beginning or end. 160637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 161637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERSCROLL = 5; 162637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 163637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 164637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the view is being flung outside of normal content bounds 165637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * and will spring back. 166637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 167637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERFLING = 6; 168637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 169637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Regular layout - usually an unsolicited layout from the view system 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_NORMAL = 0; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the first item 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_TOP = 1; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Force the selected item to be on somewhere on the screen 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SET_SELECTION = 2; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the last item 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_BOTTOM = 3; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make a mSelectedItem appear in a specific location and build the rest of 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the views from there. The top is specified by mSpecificTop. 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SPECIFIC = 4; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout to sync as a result of a data change. Restore mSyncPosition to have its top 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at mSpecificTop 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SYNC = 5; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout as a result of using the navigation keys 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_MOVE_SELECTION = 6; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Normal list that does not indicate choices 208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_NONE = 0; 210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 211f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 212f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows up to one choice 213f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 214f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_SINGLE = 1; 215f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 216f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 217f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices 218f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 219f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE = 2; 220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 222f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices in a modal selection mode 223f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 224f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE_MODAL = 3; 225f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 226f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 22739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette * The thread that created this view. 22839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette */ 22939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private final Thread mOwnerThread; 23039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 23139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette /** 232f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls if/how the user may choose/check items in the list 233f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 234f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mChoiceMode = CHOICE_MODE_NONE; 235f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 236f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 237f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls CHOICE_MODE_MULTIPLE_MODAL. null when inactive. 238f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 239f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ActionMode mChoiceActionMode; 240f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 241f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 242f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Wrapper for the multiple choice mode callback; AbsListView needs to perform 243f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * a few extra actions around what application code does. 244f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 245f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell MultiChoiceModeWrapper mMultiChoiceModeCallback; 246f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 247f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 248f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running count of how many items are currently checked 249f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 250f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mCheckedItemCount; 251f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 252f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 253f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which positions are currently checked 254f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 255f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray mCheckStates; 256f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 257f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 25814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * Running state of which IDs are currently checked. 25914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * If there is a value for a given key, the checked state for that ID is true 26014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * and the value holds the last known position in the adapter for that id. 261f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 26214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell LongSparseArray<Integer> mCheckedIdStates; 263f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 264f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the next layout will happen 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLayoutMode = LAYOUT_NORMAL; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be used by subclasses to listen to changes in the dataset 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AdapterDataSetObserver mDataSetObserver; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The adapter containing the data to be displayed by this view 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListAdapter mAdapter; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 280499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * The remote adapter containing the data to be displayed by this view to be set 281499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 282499cb9f516062b654952d282f211bee44c31a3c2Winson Chung private RemoteViewsAdapter mRemoteAdapter; 283499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 284499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 285539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * If mAdapter != null, whenever this is true the adapter has stable IDs. 286539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 287539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell boolean mAdapterHasStableIds; 288539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 289539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 2902148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen * This flag indicates the a full notify is required when the RemoteViewsAdapter connects 2912148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen */ 2922148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen private boolean mDeferNotifyDataSetChanged = false; 2932148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen 2942148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen /** 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list selector should be drawn on top of the children or behind 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mDrawSelectorOnTop = false; 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The drawable used to draw the selector 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable mSelector; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 305079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The current position of the selector in the list. 306079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 307079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mSelectorPosition = INVALID_POSITION; 308079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 309079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the selector's location and dimension at drawing time 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mSelectorRect = new Rect(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data set used to store unused views that should be reused during the next layout 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to avoid creating new ones 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RecycleBin mRecycler = new RecycleBin(); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's left padding 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionLeftPadding = 0; 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's top padding 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionTopPadding = 0; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's right padding 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionRightPadding = 0; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's bottom padding 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionBottomPadding = 0; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view's padding 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mListPadding = new Rect(); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses must retain their measure spec from onMeasure() into this member 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mWidthMeasureSpec = 0; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top scroll indicator 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollUp; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The down scroll indicator 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollDown; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the view is scrolling, this flag is set to true to indicate subclasses that 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the drawing cache was enabled on the children 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCachingStarted; 3650211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy boolean mCachingActive; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the view that received the down motion event 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionPosition; 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset to the top of the mMotionPosition view when the down motion event was received 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewOriginalTop; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The desired offset to the top of the mMotionPosition view after a scroll 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewNewTop; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The X value associated with the the down motion event 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionX; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Y value associated with the the down motion event 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionY; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * One of TOUCH_MODE_REST, TOUCH_MODE_DOWN, TOUCH_MODE_TAP, TOUCH_MODE_SCROLL, or 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TOUCH_MODE_DONE_WAITING 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mTouchMode = TOUCH_MODE_REST; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value from on the previous motion event (if any) 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLastY; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How far the finger moved before we started scrolling 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionCorrection; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determines speed during touch scrolling 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VelocityTracker mVelocityTracker; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Handles one frame of a fling 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FlingRunnable mFlingRunnable; 4174e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 418458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 419458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Handles scrolling between positions within the list. 420458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 42156032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell PositionScroller mPositionScroller; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset in pixels form the top of the AdapterView to the top 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the currently selected view. Used to save and restore state. 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectedTop = 0; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list is stacked from the bottom edge or 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the top edge. 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStackFromBottom; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to true, the list automatically discards the children's 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap cache after scrolling. 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mScrollingCacheEnabled; 4400a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Whether or not to enable the fast scroll feature on this list 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mFastScrollEnabled; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette * Whether or not to always show the fast scroll feature on this list 44839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette */ 44939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette boolean mFastScrollAlwaysVisible; 45039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 45139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette /** 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Optional callback to notify client when scroll position has changed 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnScrollListener mOnScrollListener; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Keeps track of our accessory window 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow mPopup; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used with type filter window 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EditText mTextFilter; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether to use pixels-based or position-based scrollbar 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * properties. 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSmoothScrollbarEnabled = true; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view supports filtering 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTextFilterEnabled; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view is currently displaying a filtered view of the data 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFiltered; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rectangle used for hit testing children 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTouchFrame; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position to resurrect the selected position to. 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mResurrectToPosition = INVALID_POSITION; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContextMenuInfo mContextMenuInfo = null; 4934e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4940b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell /** 495637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to record overscroll 496637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 497637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollMax; 498637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 499637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 500637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Content height divided by this is the overscroll limit. 501637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 502637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int OVERSCROLL_LIMIT_DIVISOR = 3; 503637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 504637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 50514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * How many positions in either direction we will search to try to 50614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * find a checked item with a stable ID that moved position across 50714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * a data set change. If the item isn't found it will be unselected. 50814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell */ 50914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell private static final int CHECK_POSITION_SEARCH_DISTANCE = 20; 51014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 51114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell /** 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to request a layout when we changed touch mode 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_UNKNOWN = -1; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_ON = 0; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_OFF = 1; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastTouchMode = TOUCH_MODE_UNKNOWN; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_SCROLLING = false; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mScrollProfilingStarted = false; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_FLINGING = false; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFlingProfilingStarted = false; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5271cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * The StrictMode "critical time span" objects to catch animation 5281cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * stutters. Non-null when a time-sensitive animation is 5291cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * in-flight. Must call finish() on them when done animating. 5301cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * These are no-ops on user builds. 5311cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick */ 5321cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mScrollStrictSpan = null; 5331cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mFlingStrictSpan = null; 5341cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 5351cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick /** 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForLongPress runnable we posted, if any 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForLongPress mPendingCheckForLongPress; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForTap runnable we posted, if any 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable mPendingCheckForTap; 5440a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForKeyLongPress runnable we posted, if any 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForKeyLongPress mPendingCheckForKeyLongPress; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Acts upon click 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AbsListView.PerformClick mPerformClick; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 556d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn * Delayed action for touch mode. 557d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn */ 558d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn private Runnable mTouchModeReset; 559d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 560d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn /** 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view is in transcript mode -- it shows the bottom of the list when the data 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changes 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTranscriptMode; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this list is always drawn on top of a solid, single-color, opaque 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * background 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCacheColorHint; 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The select child's view (from the adapter's getView) is enabled. 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsChildViewEnabled; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last scroll state reported to clients through {@link OnScrollListener}. 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper object that renders and controls the fast scroll thumb. 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5858636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette private FastScroller mFastScroll; 5868636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette 5878636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette /** 5888636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette * Temporary holder for fast scroller style until a FastScroller object 5898636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette * is created. 5908636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette */ 5918636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette private int mFastScrollStyle; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 593d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private boolean mGlobalLayoutListenerAddedFilter; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 595d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private int mTouchSlop; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mDensityScale; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5981bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnection mDefInputConnection; 5991bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnectionWrapper mPublicInputConnection; 6006dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 6016dfed24158b8fc9150abee23992db621cd82aa43Romain Guy private Runnable mClearScrollingCache; 602161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell Runnable mPositionScrollAfterLayout; 6034296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMinimumVelocity; 6044296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMaximumVelocity; 60521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy private float mVelocityScale = 1.0f; 6064e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 60721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy final boolean[] mIsScrap = new boolean[1]; 6084e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 60924562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // True when the popup should be hidden because of a call to 61024562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // dispatchDisplayHint() 61124562487126b48c8ff39a42b76f3705f238da6c8Romain Guy private boolean mPopupHidden; 6124e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 6134cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 6144cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * ID of the active pointer. This is used to retain consistency during 6154cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * drags/flings if multiple pointers are used. 6164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 6174cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private int mActivePointerId = INVALID_POINTER; 6184e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 6194cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 6204cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Sentinel value for no current active pointer. 6214cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Used by {@link #mActivePointerId}. 6224cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 6234cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private static final int INVALID_POINTER = -1; 6246dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 626637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overscroll by during edge effects 627637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 628637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollDistance; 629637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 630637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 631637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overfling during edge effects 632637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 633637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverflingDistance; 634637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 635637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // These two EdgeGlows are always set and used together. 636637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Checking one for null is as good as checking both. 637637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 638637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 639637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the top edge glow. 640637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 64189935e41c593a599e8955388b27fb926e60e5e94Adam Powell private EdgeEffect mEdgeGlowTop; 642637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 643637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 644637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the bottom edge glow. 645637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 64689935e41c593a599e8955388b27fb926e60e5e94Adam Powell private EdgeEffect mEdgeGlowBottom; 647637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 648637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 649637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the top of the list and 650637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the top of the first position in the adapter, based on the last time 651637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 652637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 653637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mFirstPositionDistanceGuess; 654637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 655637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 656637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the bottom of the list and 657637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the bottom of the last position in the adapter, based on the last time 658637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 659637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 660637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mLastPositionDistanceGuess; 661637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 662637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 663637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Used for determining when to cancel out of overscroll. 664637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 665637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mDirection = 0; 666637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 667637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 668da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * Tracked on measurement in transcript mode. Makes sure that we can still pin to 669da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * the bottom correctly on resizes. 670da13dbae6fe0619101433ac861da460b8be63a36Adam Powell */ 671da13dbae6fe0619101433ac861da460b8be63a36Adam Powell private boolean mForceTranscriptScroll; 672da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 67307d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell private int mGlowPaddingLeft; 67407d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell private int mGlowPaddingRight; 67507d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell 676c1d7e770e123adfa992d013fa294693d077cbc78alanv /** 677c1d7e770e123adfa992d013fa294693d077cbc78alanv * Used for interacting with list items from an accessibility service. 678c1d7e770e123adfa992d013fa294693d077cbc78alanv */ 679c1d7e770e123adfa992d013fa294693d077cbc78alanv private ListItemAccessibilityDelegate mAccessibilityDelegate; 680c1d7e770e123adfa992d013fa294693d077cbc78alanv 6814e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov private int mLastAccessibilityScrollEventFromIndex; 6824e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov private int mLastAccessibilityScrollEventToIndex; 6834e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov 684da13dbae6fe0619101433ac861da460b8be63a36Adam Powell /** 685ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell * Track the item count from the last time we handled a data change. 686ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell */ 687ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell private int mLastHandledItemCount; 688ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell 689ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell /** 6900b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell * Used for smooth scrolling at a consistent rate 6910b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell */ 6920b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell static final Interpolator sLinearInterpolator = new LinearInterpolator(); 6930b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell 6940b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell /** 695e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * The saved state that we will be restoring from when we next sync. 696e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * Kept here so that if we happen to be asked to save our state before 697e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * the sync happens, we can return this existing data rather than losing 698e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * it. 699e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn */ 700e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn private SavedState mPendingSync; 701e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn 702e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn /** 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the list or grid 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has been scrolled. 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnScrollListener { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not scrolling. Note navigating the list using the trackball counts as 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being in the idle state since these transitions are not animated. 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_IDLE = 0; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user is scrolling using touch, and their finger is still on the screen 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_TOUCH_SCROLL = 1; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user had previously been scrolling using touch and had performed a fling. The 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation is now coasting to a stop 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_FLING = 2; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked while the list view or grid view is being scrolled. If the 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view is being scrolled, this method will be called before the next frame of the scroll is 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rendered. In particular, it will be called before any calls to 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Adapter#getView(int, View, ViewGroup)}. 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7339072110b8293ea3f933822df479c700d8bd9be4cquddusc * @param scrollState The current scroll state. One of 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #SCROLL_STATE_TOUCH_SCROLL} or {@link #SCROLL_STATE_IDLE}. 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScrollStateChanged(AbsListView view, int scrollState); 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked when the list or grid has been scrolled. This will be 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called after the scroll has completed 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstVisibleItem the index of the first visible cell (ignore if 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visibleItemCount == 0) 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param visibleItemCount the number of visible cells 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalItemCount the number of items in the list adaptor 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int totalItemCount); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 751e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 752e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * The top-level view of a list item can implement this interface to allow 753e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * itself to modify the bounds of the selection shown for that item. 754e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 755e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public interface SelectionBoundsAdjuster { 756e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 757e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * Called to allow the list item to adjust the bounds shown for 758e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * its selection. 759e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * 760e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * @param bounds On call, this contains the bounds the list has 761e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * selected for the item (that is the bounds of the entire view). The 762e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * values can be modified as desired. 763e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 764e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void adjustListItemSelectionBounds(Rect bounds); 765e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 766e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 77139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mOwnerThread = Thread.currentThread(); 77239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVerticalScrollBarEnabled(true); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(R.styleable.View); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeScrollbars(a); 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs) { 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.absListViewStyle); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 783617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public AbsListView(Context context, AttributeSet attrs, int defStyleAttr) { 784617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette this(context, attrs, defStyleAttr, 0); 785617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette } 786617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette 787617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public AbsListView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 788617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette super(context, attrs, defStyleAttr, defStyleRes); 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 79139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mOwnerThread = Thread.currentThread(); 79239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 793617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette final TypedArray a = context.obtainStyledAttributes( 794617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette attrs, com.android.internal.R.styleable.AbsListView, defStyleAttr, defStyleRes); 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.AbsListView_listSelector); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(d); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = a.getBoolean( 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView_drawSelectorOnTop, false); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stackFromBottom = a.getBoolean(R.styleable.AbsListView_stackFromBottom, false); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setStackFromBottom(stackFromBottom); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean scrollingCacheEnabled = a.getBoolean(R.styleable.AbsListView_scrollingCache, true); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScrollingCacheEnabled(scrollingCacheEnabled); 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useTextFilter = a.getBoolean(R.styleable.AbsListView_textFilterEnabled, false); 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTextFilterEnabled(useTextFilter); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transcriptMode = a.getInt(R.styleable.AbsListView_transcriptMode, 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRANSCRIPT_MODE_DISABLED); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTranscriptMode(transcriptMode); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color = a.getColor(R.styleable.AbsListView_cacheColorHint, 0); 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCacheColorHint(color); 8190a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean enableFastScroll = a.getBoolean(R.styleable.AbsListView_fastScrollEnabled, false); 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFastScrollEnabled(enableFastScroll); 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8238636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette int fastScrollStyle = a.getResourceId(R.styleable.AbsListView_fastScrollStyle, 0); 8248636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette setFastScrollStyle(fastScrollStyle); 8258636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean smoothScrollbar = a.getBoolean(R.styleable.AbsListView_smoothScrollbar, true); 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSmoothScrollbarEnabled(smoothScrollbar); 8284e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 829f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setChoiceMode(a.getInt(R.styleable.AbsListView_choiceMode, CHOICE_MODE_NONE)); 83020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell setFastScrollAlwaysVisible( 83120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell a.getBoolean(R.styleable.AbsListView_fastScrollAlwaysVisible, false)); 832f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 836d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void initAbsListView() { 837d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Setting focusable in touch mode will set the focusable property to true 838df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy setClickable(true); 839d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setFocusableInTouchMode(true); 840d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setWillNotDraw(false); 841d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setAlwaysDrawnWithCacheEnabled(false); 842d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setScrollingCacheEnabled(true); 843d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 8444296fc4d326447875c26a925f12b3935632f13bbRomain Guy final ViewConfiguration configuration = ViewConfiguration.get(mContext); 8454296fc4d326447875c26a925f12b3935632f13bbRomain Guy mTouchSlop = configuration.getScaledTouchSlop(); 8464296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMinimumVelocity = configuration.getScaledMinimumFlingVelocity(); 8474296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 848637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollDistance = configuration.getScaledOverscrollDistance(); 849637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverflingDistance = configuration.getScaledOverflingDistance(); 850637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 851d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mDensityScale = getContext().getResources().getDisplayMetrics().density; 852d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 8530a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 854637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 855637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell public void setOverScrollMode(int mode) { 856637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mode != OVER_SCROLL_NEVER) { 857637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop == null) { 8584e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira Context context = getContext(); 85989935e41c593a599e8955388b27fb926e60e5e94Adam Powell mEdgeGlowTop = new EdgeEffect(context); 86089935e41c593a599e8955388b27fb926e60e5e94Adam Powell mEdgeGlowBottom = new EdgeEffect(context); 861637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 862637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 863637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop = null; 864637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom = null; 865637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 866637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell super.setOverScrollMode(mode); 867637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 868637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 869d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 870f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@inheritDoc} 871f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 872f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 873f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setAdapter(ListAdapter adapter) { 874f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (adapter != null) { 875539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mAdapterHasStableIds = mAdapter.hasStableIds(); 876539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapterHasStableIds && 877f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates == null) { 87814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates = new LongSparseArray<Integer>(); 879f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 880f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 881f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 882f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 883f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 884f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 885f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 886f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 887f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 888f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 889f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 890f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 891f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 892f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the number of items currently selected. This will only be valid 893f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the choice mode is not {@link #CHOICE_MODE_NONE} (default). 894f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 895f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * <p>To determine the specific items that are currently selected, use one of 896f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the <code>getChecked*</code> methods. 897f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 898f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The number of items currently selected 899f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 900f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPosition() 901f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPositions() 902f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemIds() 903f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 904f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemCount() { 905f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckedItemCount; 906f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 907f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 908f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 909f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the checked state of the specified position. The result is only 910f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * valid if the choice mode has been set to {@link #CHOICE_MODE_SINGLE} 911f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or {@link #CHOICE_MODE_MULTIPLE}. 912f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 913f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state to return 914f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The item's checked state or <code>false</code> if choice mode 915f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * is invalid 916f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 917f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 918f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 919f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean isItemChecked(int position) { 920f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) { 921f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.get(position); 922f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 923f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 924f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 925f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 926f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 927f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 928f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the currently checked item. The result is only valid if the choice 929f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * mode has been set to {@link #CHOICE_MODE_SINGLE}. 930f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 931f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The position of the currently checked item or 932f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #INVALID_POSITION} if nothing is selected 933f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 934f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 935f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 936f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemPosition() { 937f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_SINGLE && mCheckStates != null && mCheckStates.size() == 1) { 938f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.keyAt(0); 939f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 940f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 941f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return INVALID_POSITION; 942f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 943f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 944f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 945f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items in the list. The result is only valid if 946f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has not been set to {@link #CHOICE_MODE_NONE}. 947f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 948f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A SparseBooleanArray which will return true for each call to 94982ff241fd6a82843a8d9d87a1a01c7315079e3d4Cyril Mottier * get(int position) where position is a checked position in the 95082ff241fd6a82843a8d9d87a1a01c7315079e3d4Cyril Mottier * list and false otherwise, or <code>null</code> if the choice 95182ff241fd6a82843a8d9d87a1a01c7315079e3d4Cyril Mottier * mode is set to {@link #CHOICE_MODE_NONE}. 952f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 953f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public SparseBooleanArray getCheckedItemPositions() { 954f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 955f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates; 956f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 957f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return null; 958f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 959f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 960f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 961f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items ids. The result is only valid if the 962f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * choice mode has not been set to {@link #CHOICE_MODE_NONE} and the adapter 963f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * has stable IDs. ({@link ListAdapter#hasStableIds()} == {@code true}) 964f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 965f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A new array which contains the id of each checked item in the 966f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * list. 967f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 968f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public long[] getCheckedItemIds() { 969f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE || mCheckedIdStates == null || mAdapter == null) { 970f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return new long[0]; 971f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 972f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 97314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final LongSparseArray<Integer> idStates = mCheckedIdStates; 974f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final int count = idStates.size(); 975f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long[] ids = new long[count]; 976f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 977f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell for (int i = 0; i < count; i++) { 978f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ids[i] = idStates.keyAt(i); 979f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 980f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 981f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return ids; 982f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 983f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 984f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 985f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Clear any choices previously set 986f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 987f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void clearChoices() { 988f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 989f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 990f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 991f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 992f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 993f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 994f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 995f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 996f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 997f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 998f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Sets the checked state of the specified position. The is only valid if 999f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has been set to {@link #CHOICE_MODE_SINGLE} or 1000f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}. 1001f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1002f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state is to be checked 1003f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param value The new checked state for the item 1004f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1005f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setItemChecked(int position, boolean value) { 1006f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE) { 1007f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return; 1008f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1009f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1010f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Start selection mode if needed. We don't need to if we're unchecking something. 1011f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) { 1012a798170f2abe198f806b12dd904830bc25257525Adam Powell if (mMultiChoiceModeCallback == null || 1013a798170f2abe198f806b12dd904830bc25257525Adam Powell !mMultiChoiceModeCallback.hasWrappedCallback()) { 1014a798170f2abe198f806b12dd904830bc25257525Adam Powell throw new IllegalStateException("AbsListView: attempted to start selection mode " + 1015a798170f2abe198f806b12dd904830bc25257525Adam Powell "for CHOICE_MODE_MULTIPLE_MODAL but no choice mode callback was " + 1016a798170f2abe198f806b12dd904830bc25257525Adam Powell "supplied. Call setMultiChoiceModeListener to set a callback."); 1017a798170f2abe198f806b12dd904830bc25257525Adam Powell } 1018f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 1019f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1020f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1021f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 1022f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean oldValue = mCheckStates.get(position); 1023f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, value); 1024f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 1025f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 102614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1027f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1028f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 1029f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1030f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1031f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (oldValue != value) { 1032f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 1033f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 1034f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1035f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 1036f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1037f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1038f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1039f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long id = mAdapter.getItemId(position); 1040f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 1041f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, value); 1042f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1043f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1044f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean updateIds = mCheckedIdStates != null && mAdapter.hasStableIds(); 1045f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Clear all values if we're checking something, or unchecking the currently 1046f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selected item 1047f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value || isItemChecked(position)) { 1048f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 1049f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 1050f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 1051f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1052f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1053f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // this may end up selecting the value we just cleared but this way 1054f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // we ensure length of mCheckStates is 1, a fact getCheckedItemPosition relies on 1055f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 1056f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 1057f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 105814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1059f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1060f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 1061f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 1062f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 1063f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1064f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1065f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1066f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Do not generate a data change while we are in the layout phase 1067f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (!mInLayout && !mBlockLayoutRequests) { 1068f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 1069f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 1070f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 1071f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1072f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1073f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1074f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 1075f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean performItemClick(View view, int position, long id) { 1076f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 1077bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell boolean dispatchItemClick = true; 1078f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1079f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 1080f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell handled = true; 108129382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell boolean checkedStateChanged = false; 1082f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1083f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || 1084f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null)) { 10855bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio boolean checked = !mCheckStates.get(position, false); 10865bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio mCheckStates.put(position, checked); 1087f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 10885bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio if (checked) { 108914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1090f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1091f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 1092f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1093f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 10945bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio if (checked) { 1095f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 1096f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1097f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 1098f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1099f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1100f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 11015bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio position, id, checked); 1102bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell dispatchItemClick = false; 1103f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 110429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell checkedStateChanged = true; 1105f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mChoiceMode == CHOICE_MODE_SINGLE) { 11065bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio boolean checked = !mCheckStates.get(position, false); 11075bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio if (checked) { 1108f3b8e6fe7825bf31e7824041325ddedc0bd41baeAdam Powell mCheckStates.clear(); 1109f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 1110f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 1111f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 111214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1113f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1114f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 1115f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 1116f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 1117f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 111829382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell checkedStateChanged = true; 1119f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1120f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 112129382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell if (checkedStateChanged) { 112229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell updateOnScreenCheckedViews(); 112329382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 1124f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1125f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1126bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell if (dispatchItemClick) { 1127bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell handled |= super.performItemClick(view, position, id); 1128bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell } 1129f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1130f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return handled; 1131f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1132f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1133f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 113429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell * Perform a quick, in-place update of the checked or activated state 113529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell * on all visible item views. This should only be called when a valid 113629382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell * choice mode is active. 113729382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell */ 113829382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell private void updateOnScreenCheckedViews() { 113929382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final int firstPos = mFirstPosition; 114029382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final int count = getChildCount(); 114129382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final boolean useActivated = getContext().getApplicationInfo().targetSdkVersion 114229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell >= android.os.Build.VERSION_CODES.HONEYCOMB; 114329382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell for (int i = 0; i < count; i++) { 114429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final View child = getChildAt(i); 114529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final int position = firstPos + i; 114629382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell 114729382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell if (child instanceof Checkable) { 114829382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell ((Checkable) child).setChecked(mCheckStates.get(position)); 114929382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } else if (useActivated) { 115029382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell child.setActivated(mCheckStates.get(position)); 115129382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 115229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 115329382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 115429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell 115529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell /** 1156f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1157f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1158f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The current choice mode 1159f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1160f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getChoiceMode() { 1161f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mChoiceMode; 1162f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1163f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1164f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1165f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Defines the choice behavior for the List. By default, Lists do not have any choice behavior 1166f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * ({@link #CHOICE_MODE_NONE}). By setting the choiceMode to {@link #CHOICE_MODE_SINGLE}, the 1167f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * List allows up to one item to be in a chosen state. By setting the choiceMode to 1168f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}, the list allows any number of items to be chosen. 1169f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1170f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param choiceMode One of {@link #CHOICE_MODE_NONE}, {@link #CHOICE_MODE_SINGLE}, or 1171f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE} 1172f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1173f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setChoiceMode(int choiceMode) { 1174f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceMode = choiceMode; 1175f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1176f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode.finish(); 1177f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 1178f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1179f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 1180f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates == null) { 1181f4bf0ae2a7c2d9d92c5c8abdb82baa53b4c9ccdaDianne Hackborn mCheckStates = new SparseBooleanArray(0); 1182f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1183f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates == null && mAdapter != null && mAdapter.hasStableIds()) { 1184f4bf0ae2a7c2d9d92c5c8abdb82baa53b4c9ccdaDianne Hackborn mCheckedIdStates = new LongSparseArray<Integer>(0); 1185f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1186f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Modal multi-choice mode only has choices when the mode is active. Clear them. 1187f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 1188f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 1189f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 1190f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1191f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1192f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1193f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1194f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1195f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Set a {@link MultiChoiceModeListener} that will manage the lifecycle of the 1196f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selection {@link ActionMode}. Only used when the choice mode is set to 1197f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE_MODAL}. 1198f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1199f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param listener Listener that will manage the selection mode 1200f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1201f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1202f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1203f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setMultiChoiceModeListener(MultiChoiceModeListener listener) { 1204f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mMultiChoiceModeCallback == null) { 1205f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback = new MultiChoiceModeWrapper(); 1206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.setWrapped(listener); 1208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1211637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return true if all list content currently fits within the view boundaries 1212637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 1213637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private boolean contentFits() { 1214637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 12152bed570bba183249c6ca9ca1151d1d23808de8c1Adam Powell if (childCount == 0) return true; 12162bed570bba183249c6ca9ca1151d1d23808de8c1Adam Powell if (childCount != mItemCount) return false; 1217637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 12184ce35419cea4c320b71f848cf00fd6f5d17e960eAdam Powell return getChildAt(0).getTop() >= mListPadding.top && 12194ce35419cea4c320b71f848cf00fd6f5d17e960eAdam Powell getChildAt(childCount - 1).getBottom() <= getHeight() - mListPadding.bottom; 1220637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 1221637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1222637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 122386f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * Specifies whether fast scrolling is enabled or disabled. 122486f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * <p> 122586f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * When fast scrolling is enabled, the user can quickly scroll through lists 122686f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * by dragging the fast scroll thumb. 122786f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * <p> 122886f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * If the adapter backing this list implements {@link SectionIndexer}, the 122986f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * fast scroller will display section header previews as the user scrolls. 123086f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * Additionally, the user will be able to quickly jump between sections by 123186f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * tapping along the length of the scroll bar. 123286f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SectionIndexer 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isFastScrollEnabled() 123586f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * @param enabled true to enable fast scrolling, false otherwise 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 123739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void setFastScrollEnabled(final boolean enabled) { 123839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (mFastScrollEnabled != enabled) { 123939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mFastScrollEnabled = enabled; 124039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 124139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (isOwnerThread()) { 124239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerEnabledUiThread(enabled); 124339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } else { 124439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette post(new Runnable() { 124539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette @Override 124639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void run() { 124739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerEnabledUiThread(enabled); 124839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 124939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette }); 125039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 1251447cdf2c069a05d9f8b5aaa4269be43e8f5e1d89Alan Viverette } 125239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 1253447cdf2c069a05d9f8b5aaa4269be43e8f5e1d89Alan Viverette 125439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private void setFastScrollerEnabledUiThread(boolean enabled) { 12558636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 12568636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setEnabled(enabled); 125739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } else if (enabled) { 12588636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll = new FastScroller(this, mFastScrollStyle); 12598636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setEnabled(true); 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 126126bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette 1262b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette resolvePadding(); 126326bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette 12648636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 12658636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.updateLayout(); 12668636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette } 12678636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette } 12688636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette 12698636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette /** 12708636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette * Specifies the style of the fast scroller decorations. 12718636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette * 12728636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette * @param styleResId style resource containing fast scroller properties 12738636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette * @see android.R.styleable#FastScroll 12748636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette */ 12758636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette public void setFastScrollStyle(int styleResId) { 12768636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll == null) { 12778636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScrollStyle = styleResId; 12788636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette } else { 12798636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setStyle(styleResId); 128026bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette } 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12820a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 128486f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * Set whether or not the fast scroller should always be shown in place of 128586f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * the standard scroll bars. This will enable fast scrolling if it is not 128620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * already enabled. 128786f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * <p> 128886f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * Fast scrollers shown in this way will not fade out and will be a 128986f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * permanent fixture within the list. This is best combined with an inset 129086f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * scroll bar style to ensure the scroll bar does not overlap content. 129120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 129286f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * @param alwaysShow true if the fast scroller should always be displayed, 129386f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * false otherwise 129420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setScrollBarStyle(int) 129520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollEnabled(boolean) 129620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 129739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void setFastScrollAlwaysVisible(final boolean alwaysShow) { 129839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (mFastScrollAlwaysVisible != alwaysShow) { 129939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (alwaysShow && !mFastScrollEnabled) { 130039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollEnabled(true); 130139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 130239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 130339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mFastScrollAlwaysVisible = alwaysShow; 130439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 130539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (isOwnerThread()) { 130639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerAlwaysVisibleUiThread(alwaysShow); 130739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } else { 130839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette post(new Runnable() { 130939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette @Override 131039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void run() { 131139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerAlwaysVisibleUiThread(alwaysShow); 131239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 131339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette }); 131439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 131520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 131639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 131720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 131839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private void setFastScrollerAlwaysVisibleUiThread(boolean alwaysShow) { 13198636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 13208636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setAlwaysShow(alwaysShow); 132120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 132239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 132320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 132439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette /** 132539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette * @return whether the current thread is the one that created the view 132639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette */ 132739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private boolean isOwnerThread() { 132839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette return mOwnerThread == Thread.currentThread(); 132920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 133020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 133120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 133286f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * Returns true if the fast scroller is set to always show on this view. 133320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 133486f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * @return true if the fast scroller will always show 133520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollAlwaysVisible(boolean) 133620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 133720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public boolean isFastScrollAlwaysVisible() { 13388636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll == null) { 1339b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette return mFastScrollEnabled && mFastScrollAlwaysVisible; 1340b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette } else { 13418636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette return mFastScroll.isEnabled() && mFastScroll.isAlwaysShowEnabled(); 1342b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette } 134320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 134420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 134520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 134620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public int getVerticalScrollbarWidth() { 13478636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null && mFastScroll.isEnabled()) { 13488636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette return Math.max(super.getVerticalScrollbarWidth(), mFastScroll.getWidth()); 134920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 135020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return super.getVerticalScrollbarWidth(); 135120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 135220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 135320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 135486f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * Returns true if the fast scroller is enabled. 135586f5e8956df3309eb212b66657da4d0bd4fe5773Alan Viverette * 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setFastScrollEnabled(boolean) 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if fast scroll is enabled, false otherwise 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isFastScrollEnabled() { 13618636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll == null) { 1362b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette return mFastScrollEnabled; 1363b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette } else { 13648636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette return mFastScroll.isEnabled(); 1365b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette } 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13670a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 136820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 136920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public void setVerticalScrollbarPosition(int position) { 137020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell super.setVerticalScrollbarPosition(position); 13718636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 13728636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setScrollbarPosition(position); 137320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 137420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 137520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 137626bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette @Override 137726bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette public void setScrollBarStyle(int style) { 137826bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette super.setScrollBarStyle(style); 13798636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 13808636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setScrollBarStyle(style); 138126bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette } 138226bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette } 138326bb253b4001b7d4d876656b0c6bd11b6aab4131Alan Viverette 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13850ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette * If fast scroll is enabled, then don't draw the vertical scrollbar. 13860a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @hide 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isVerticalScrollBarHidden() { 1390b9f2722f6f32b275731fc7e4aeb367cdf9c30dd3Alan Viverette return isFastScrollEnabled(); 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is enabled, the position and size of the scrollbar thumb 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is computed based on the number of visible pixels in the visible items. This 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * however assumes that all list items have the same height. If you use a list in 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which items have different heights, the scrollbar will change appearance as the 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user scrolls through the list. To avoid this issue, you need to disable this 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * property. 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is disabled, the position and size of the scrollbar thumb 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is based solely on the number of items in the adapter and the position of the 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visible items inside the adapter. This provides a stable scrollbar as the user 14040a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * navigates through a list of items with varying heights. 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Whether or not to enable smooth scrollbar. 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14080a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @see #setSmoothScrollbarEnabled(boolean) 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSmoothScrollbarEnabled(boolean enabled) { 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSmoothScrollbarEnabled = enabled; 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if smooth scrollbar is enabled is enabled, false otherwise. 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSmoothScrollbarEnabled(boolean) 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSmoothScrollbarEnabled() { 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSmoothScrollbarEnabled; 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the listener that will receive notifications every time the list scrolls. 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the scroll listener 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnScrollListener(OnScrollListener l) { 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener = l; 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notify our scroll listener (if there is one) of a change in scroll state 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void invokeOnItemScrollListener() { 14418636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 14428636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.onScroll(mFirstPosition, getChildCount(), mItemCount); 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14470a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne onScrollChanged(0, 0, 0, 0); // dummy values, View's implementation does not use these. 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1450a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov @Override 14514e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov public void sendAccessibilityEvent(int eventType) { 14524e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov // Since this class calls onScrollChanged even if the mFirstPosition and the 14534e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov // child count have not changed we will avoid sending duplicate accessibility 14544e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov // events. 14554e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 1456d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov final int firstVisiblePosition = getFirstVisiblePosition(); 1457d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov final int lastVisiblePosition = getLastVisiblePosition(); 1458d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov if (mLastAccessibilityScrollEventFromIndex == firstVisiblePosition 1459d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov && mLastAccessibilityScrollEventToIndex == lastVisiblePosition) { 14609c3e0e68260fe50456996d75304b73054cbde94aalanv return; 14614e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } else { 1462d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov mLastAccessibilityScrollEventFromIndex = firstVisiblePosition; 1463d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov mLastAccessibilityScrollEventToIndex = lastVisiblePosition; 14644e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } 14654e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } 14664e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov super.sendAccessibilityEvent(eventType); 14674e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } 14684e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov 14698a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 14708a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 14718a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityEvent(event); 14728a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov event.setClassName(AbsListView.class.getName()); 14738a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 14748a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 14758a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 14768a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 14778a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityNodeInfo(info); 14788a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov info.setClassName(AbsListView.class.getName()); 1479fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isEnabled()) { 1480fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (getFirstVisiblePosition() > 0) { 1481fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD); 148280943d8daa6ab31ab5c486d57aea406aa0730d58Svetoslav Ganov info.setScrollable(true); 1483fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 1484fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (getLastVisiblePosition() < getCount() - 1) { 1485fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD); 148680943d8daa6ab31ab5c486d57aea406aa0730d58Svetoslav Ganov info.setScrollable(true); 1487fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 1488a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1489a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1490a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov 1491a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov @Override 1492a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov public boolean performAccessibilityAction(int action, Bundle arguments) { 149348d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov if (super.performAccessibilityAction(action, arguments)) { 149448d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov return true; 149548d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov } 1496a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov switch (action) { 1497a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: { 1498fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isEnabled() && getLastVisiblePosition() < getCount() - 1) { 1499a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom; 1500a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov smoothScrollBy(viewportHeight, PositionScroller.SCROLL_DURATION); 1501a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov return true; 1502a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1503a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } return false; 1504a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: { 1505fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isEnabled() && mFirstPosition > 0) { 1506a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom; 1507a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov smoothScrollBy(-viewportHeight, PositionScroller.SCROLL_DURATION); 1508a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov return true; 1509a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1510a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } return false; 1511a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 151248d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov return false; 15138a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 15148a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 15155b578daac9cea174b15fcd13528270270aadd8a2Svetoslav /** @hide */ 15165b578daac9cea174b15fcd13528270270aadd8a2Svetoslav @Override 15175b578daac9cea174b15fcd13528270270aadd8a2Svetoslav public View findViewByAccessibilityIdTraversal(int accessibilityId) { 15185b578daac9cea174b15fcd13528270270aadd8a2Svetoslav if (accessibilityId == getAccessibilityViewId()) { 15195b578daac9cea174b15fcd13528270270aadd8a2Svetoslav return this; 15205b578daac9cea174b15fcd13528270270aadd8a2Svetoslav } 15215b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // If the data changed the children are invalid since the data model changed. 15225b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // Hence, we pretend they do not exist. After a layout the children will sync 15235b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // with the model at which point we notify that the accessibility state changed, 15245b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // so a service will be able to re-fetch the views. 15255b578daac9cea174b15fcd13528270270aadd8a2Svetoslav if (mDataChanged) { 15265b578daac9cea174b15fcd13528270270aadd8a2Svetoslav return null; 15275b578daac9cea174b15fcd13528270270aadd8a2Svetoslav } 15285b578daac9cea174b15fcd13528270270aadd8a2Svetoslav return super.findViewByAccessibilityIdTraversal(accessibilityId); 15295b578daac9cea174b15fcd13528270270aadd8a2Svetoslav } 15305b578daac9cea174b15fcd13528270270aadd8a2Svetoslav 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a scroll. 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will consume more memory. 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the scrolling cache is enabled, false otherwise 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setScrollingCacheEnabled(boolean) 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isScrollingCacheEnabled() { 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScrollingCacheEnabled; 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a scroll. 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will use more memory. 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the scrolling cache is enabled, the caches are kept after the 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first scrolling. You can manually clear the cache by calling 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup#setChildrenDrawingCacheEnabled(boolean)}. 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the scroll cache, false otherwise 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isScrollingCacheEnabled() 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollingCacheEnabled(boolean enabled) { 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !enabled) { 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollingCacheEnabled = enabled; 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the type filter window. If enabled, typing when 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view has focus will filter the children to match the users input. 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that the {@link Adapter} used by this view must implement the 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Filterable} interface. 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param textFilterEnabled true to enable type filtering, false otherwise 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTextFilterEnabled(boolean textFilterEnabled) { 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilterEnabled = textFilterEnabled; 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether type filtering is enabled for this view 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if type filtering is enabled, false otherwise 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled(boolean) 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isTextFilterEnabled() { 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilterEnabled; 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getFocusedRect(Rect r) { 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getSelectedView(); 15956bdbfcfa77177eb7c8905123f44f2fa5aa0f17b1Romain Guy if (view != null && view.getParent() == this) { 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused rectangle of the selected view offset into the 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // coordinate space of this view. 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getFocusedRect(r); 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetDescendantRectToMyCoords(view, r); 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // otherwise, just the norm 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.getFocusedRect(r); 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void useDefaultSelector() { 16078eea3ea5591e59f55cbb4f6b2b7e9363a285ced3Alan Viverette setSelector(getContext().getDrawable( 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.drawable.list_selector_background)); 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the content of this view is pinned to, or stacked from, 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom edge. 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the content is stacked from the bottom edge, false otherwise 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStackFromBottom() { 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStackFromBottom; 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When stack from bottom is set to true, the list fills its content starting from 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom of the view. 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stackFromBottom true to pin the view's content to the bottom edge, 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to pin the view's content to the top edge 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setStackFromBottom(boolean stackFromBottom) { 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStackFromBottom != stackFromBottom) { 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStackFromBottom = stackFromBottom; 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayoutIfNecessary(); 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestLayoutIfNecessary() { 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resetList(); 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static class SavedState extends BaseSavedState { 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId; 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long firstId; 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewTop; 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position; 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height; 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String filter; 1651a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell boolean inActionMode; 16522614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell int checkedItemCount; 1653f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray checkState; 165414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell LongSparseArray<Integer> checkIdState; 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link AbsListView#onSaveInstanceState()} 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState(Parcelable superState) { 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link #CREATOR} 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SavedState(Parcel in) { 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(in); 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedId = in.readLong(); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstId = in.readLong(); 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project viewTop = in.readInt(); 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = in.readInt(); 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = in.readInt(); 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter = in.readString(); 1674a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell inActionMode = in.readByte() != 0; 16752614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell checkedItemCount = in.readInt(); 1676f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkState = in.readSparseBooleanArray(); 167743ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final int N = in.readInt(); 167843ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn if (N > 0) { 167914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell checkIdState = new LongSparseArray<Integer>(); 168043ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn for (int i=0; i<N; i++) { 168143ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final long key = in.readLong(); 168243ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final int value = in.readInt(); 168343ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn checkIdState.put(key, value); 168414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 1685f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.writeToParcel(out, flags); 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(selectedId); 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(firstId); 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(viewTop); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(position); 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(height); 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeString(filter); 1697a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell out.writeByte((byte) (inActionMode ? 1 : 0)); 16982614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell out.writeInt(checkedItemCount); 1699f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeSparseBooleanArray(checkState); 170043ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final int N = checkIdState != null ? checkIdState.size() : 0; 170143ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn out.writeInt(N); 170243ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn for (int i=0; i<N; i++) { 170343ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn out.writeLong(checkIdState.keyAt(i)); 170443ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn out.writeInt(checkIdState.valueAt(i)); 170514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "AbsListView.SavedState{" 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + Integer.toHexString(System.identityHashCode(this)) 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " selectedId=" + selectedId 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " firstId=" + firstId 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " viewTop=" + viewTop 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " position=" + position 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " height=" + height 1717f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " filter=" + filter 1718f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " checkState=" + checkState + "}"; 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<SavedState>() { 17238fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState createFromParcel(Parcel in) { 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState(in); 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17288fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState[] newArray(int size) { 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState[size]; 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parcelable onSaveInstanceState() { 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This doesn't really make sense as the place to dismiss the 1739f993ad5b89a8aa47fcbc7494811f45bb74cb8713Romain Guy * popups, but there don't seem to be any other useful hooks 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that happen early enough to keep from getting complaints 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about having leaked the window. 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable superState = super.onSaveInstanceState(); 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = new SavedState(superState); 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn if (mPendingSync != null) { 1750e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn // Just keep what we last restored. 1751e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.selectedId = mPendingSync.selectedId; 1752e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.firstId = mPendingSync.firstId; 1753e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.viewTop = mPendingSync.viewTop; 1754e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.position = mPendingSync.position; 1755e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.height = mPendingSync.height; 1756e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.filter = mPendingSync.filter; 1757e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.inActionMode = mPendingSync.inActionMode; 1758e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.checkedItemCount = mPendingSync.checkedItemCount; 1759e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.checkState = mPendingSync.checkState; 1760e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.checkIdState = mPendingSync.checkIdState; 1761e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn return ss; 1762e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn } 1763e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn 176499441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn boolean haveChildren = getChildCount() > 0 && mItemCount > 0; 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId = getSelectedItemId(); 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.selectedId = selectedId; 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.height = getHeight(); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedId >= 0) { 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the selection 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = mSelectedTop; 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = getSelectedItemPosition(); 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17757becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn if (haveChildren && mFirstPosition > 0) { 17767becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // Remember the position of the first child. 17777becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // We only do this if we are not currently at the top of 17787becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // the list, for two reasons: 17797becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (1) The list may be in the process of becoming empty, in 17807becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // which case mItemCount may not be 0, but if we try to 17817becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // ask for any information about position 0 we will crash. 17827becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (2) Being "at the top" seems like a special case, anyway, 17837becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // and the user wouldn't expect to end up somewhere else when 17847becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // they revisit the list even if its content has changed. 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(0); 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = v.getTop(); 178799441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn int firstPos = mFirstPosition; 178899441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn if (firstPos >= mItemCount) { 178999441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn firstPos = mItemCount - 1; 179099441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn } 179199441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.position = firstPos; 179299441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.firstId = mAdapter.getItemId(firstPos); 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = 0; 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = 0; 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = null; 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final EditText textFilter = mTextFilter; 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textFilter != null) { 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Editable filterText = textFilter.getText(); 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filterText != null) { 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = filterText.toString(); 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1811a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell ss.inActionMode = mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null; 1812a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 18139a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell if (mCheckStates != null) { 18149a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell ss.checkState = mCheckStates.clone(); 18159a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell } 18169a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell if (mCheckedIdStates != null) { 181714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final LongSparseArray<Integer> idState = new LongSparseArray<Integer>(); 18189a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell final int count = mCheckedIdStates.size(); 18199a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell for (int i = 0; i < count; i++) { 18209a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell idState.put(mCheckedIdStates.keyAt(i), mCheckedIdStates.valueAt(i)); 18219a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell } 18229a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell ss.checkIdState = idState; 18239a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell } 18242614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell ss.checkedItemCount = mCheckedItemCount; 1825f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1826335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen if (mRemoteAdapter != null) { 1827335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen mRemoteAdapter.saveRemoteViewsCache(); 1828335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen } 1829335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ss; 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onRestoreInstanceState(Parcelable state) { 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = (SavedState) state; 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(ss.getSuperState()); 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncHeight = ss.height; 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ss.selectedId >= 0) { 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 1844e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = ss; 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.selectedId; 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_SELECTED_POSITION; 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ss.firstId >= 0) { 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do this before setting mNeedSync since setNextSelectedPosition looks at mNeedSync 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 1853079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 1855e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = ss; 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.firstId; 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_FIRST_POSITION; 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFilterText(ss.filter); 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1864f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkState != null) { 1865f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = ss.checkState; 1866f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1867f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1868f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkIdState != null) { 1869f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = ss.checkIdState; 1870f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1871f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 18722614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell mCheckedItemCount = ss.checkedItemCount; 18732614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell 1874a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell if (ss.inActionMode && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && 1875a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mMultiChoiceModeCallback != null) { 1876a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 1877a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell } 1878a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean acceptFilter() { 1883d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy return mTextFilterEnabled && getAdapter() instanceof Filterable && 1884d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy ((Filterable) getAdapter()).getFilter() != null; 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the initial value for the text filter. 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filterText The text to use for the filter. 18900a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilterText(String filterText) { 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: Should we check for acceptFilter()? 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && !TextUtils.isEmpty(filterText)) { 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(false); 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is going to call our listener onTextChanged, but we might not 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be ready to bring up a window yet 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(filterText); 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setSelection(filterText.length()); 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if mPopup is non-null, then onTextChanged will do the filtering 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(filterText); 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set filtered to true so we will display the filter window when our main 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window is ready 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObserver.clearSavedState(); 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19160a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Returns the list's text filter, if available. 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the list's text filter or null if filtering isn't enabled 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTextFilter() { 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && mTextFilter != null) { 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilter.getText(); 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19250a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gainFocus && mSelectedPosition < 0 && !isInTouchMode()) { 193031986b5b696c399b356c8819cb581441027bef36Adam Powell if (!isAttachedToWindow() && mAdapter != null) { 1931b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell // Data may have changed while we were detached and it's valid 1932b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell // to change focus while detached. Refresh so we don't die. 1933b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mDataChanged = true; 1934b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mOldItemCount = mItemCount; 1935b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mItemCount = mAdapter.getCount(); 1936b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell } 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestLayout() { 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBlockLayoutRequests && !mInLayout) { 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.requestLayout(); 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list is empty. Clear everything out. 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void resetList() { 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstPosition = 0; 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = false; 1955161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = null; 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 1957e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = null; 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedPosition = INVALID_POSITION; 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedRowId = INVALID_ROW_ID; 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 1963079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.setEmpty(); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollExtent() { 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extent = count * 100; 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getChildAt(0); 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent += (top * 100) / height; 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = getChildAt(count - 1); 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = view.getBottom(); 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = view.getHeight(); 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent -= ((bottom - getHeight()) * 100) / height; 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extent; 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollOffset() { 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition >= 0 && childCount > 0) { 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(0); 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 20070b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return Math.max(firstPosition * 100 - (top * 100) / height + 20080b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell (int)((float)mScrollY / getHeight() * mItemCount * 100), 0); 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mItemCount; 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition == 0) { 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (firstPosition + childCount == count) { 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count; 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = firstPosition + childCount / 2; 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) (firstPosition + childCount * (index / (float) count)); 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollRange() { 20280b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell int result; 20290b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (mSmoothScrollbarEnabled) { 20300b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = Math.max(mItemCount * 100, 0); 2031637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 2032637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Compensate for overscroll 2033637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell result += Math.abs((int) ((float) mScrollY / getHeight() * mItemCount * 100)); 2034637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 20350b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } else { 20360b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = mItemCount; 20370b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 20380b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return result; 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getTopFadingEdgeStrength() { 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getTopFadingEdgeStrength(); 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 20469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition > 0) { 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = getChildAt(0).getTop(); 20538fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final float fadeLength = getVerticalFadingEdgeLength(); 20548fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette return top < mPaddingTop ? -(top - mPaddingTop) / fadeLength : fadeEdge; 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getBottomFadingEdgeStrength() { 20609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getBottomFadingEdgeStrength(); 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition + count - 1 < mItemCount - 1) { 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = getChildAt(count - 1).getBottom(); 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight(); 20718fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final float fadeLength = getVerticalFadingEdgeLength(); 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bottom > height - mPaddingBottom ? 20738fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette (bottom - height + mPaddingBottom) / fadeLength : fadeEdge; 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector == null) { 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useDefaultSelector(); 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.left = mSelectionLeftPadding + mPaddingLeft; 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.top = mSelectionTopPadding + mPaddingTop; 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.right = mSelectionRightPadding + mPaddingRight; 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.bottom = mSelectionBottomPadding + mPaddingBottom; 2087da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 2088da13dbae6fe0619101433ac861da460b8be63a36Adam Powell // Check if our previous measured size was at a point where we should scroll later. 2089da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 2090da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int childCount = getChildCount(); 2091ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell final int listBottom = getHeight() - getPaddingBottom(); 2092da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final View lastChild = getChildAt(childCount - 1); 2093da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 2094ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell mForceTranscriptScroll = mFirstPosition + childCount >= mLastHandledItemCount && 2095da13dbae6fe0619101433ac861da460b8be63a36Adam Powell lastBottom <= listBottom; 2096da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 2100d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses should NOT override this method but 2101d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * {@link #layoutChildren()} instead. 2102d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onLayout(boolean changed, int l, int t, int r, int b) { 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onLayout(changed, l, t, r, b); 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = true; 21074b95cc7ef7f1364799eba3bfa8830515282dcab7Alan Viverette final int childCount = getChildCount(); 2108f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (changed) { 2109f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < childCount; i++) { 2110f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell getChildAt(i).forceLayout(); 2111f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 2112f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell mRecycler.markChildrenDirty(); 2113f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 21140ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette 21154b95cc7ef7f1364799eba3bfa8830515282dcab7Alan Viverette // TODO: Move somewhere sane. This doesn't belong in onLayout(). 21164b95cc7ef7f1364799eba3bfa8830515282dcab7Alan Viverette if (mFastScroll != null) { 21174b95cc7ef7f1364799eba3bfa8830515282dcab7Alan Viverette mFastScroll.onItemCountChanged(childCount, mItemCount); 21182c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell } 2119f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = false; 2122637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2123637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollMax = (b - t) / OVERSCROLL_LIMIT_DIVISOR; 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int left, int top, int right, int bottom) { 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean changed = super.setFrame(left, top, right, bottom); 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2133d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (changed) { 2134d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Reposition the popup when the frame has changed. This includes 2135d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // translating the widget, not just changing its dimension. The 2136d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // filter popup needs to follow the widget. 2137d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy final boolean visible = getWindowVisibility() == View.VISIBLE; 2138d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mFiltered && visible && mPopup != null && mPopup.isShowing()) { 2139d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy positionPopup(); 2140d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2146d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 2147d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses must override this method to layout their children. 2148d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void layoutChildren() { 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21525d565faab21324862fa24490f116424e1b668b1dAlan Viverette /** 21535d565faab21324862fa24490f116424e1b668b1dAlan Viverette * @return the direct child that contains accessibility focus, or null if no 21545d565faab21324862fa24490f116424e1b668b1dAlan Viverette * child contains accessibility focus 21555d565faab21324862fa24490f116424e1b668b1dAlan Viverette */ 21565d565faab21324862fa24490f116424e1b668b1dAlan Viverette View getAccessibilityFocusedChild() { 21575d565faab21324862fa24490f116424e1b668b1dAlan Viverette final ViewRootImpl viewRootImpl = getViewRootImpl(); 21585d565faab21324862fa24490f116424e1b668b1dAlan Viverette if (viewRootImpl == null) { 21595d565faab21324862fa24490f116424e1b668b1dAlan Viverette return null; 21605d565faab21324862fa24490f116424e1b668b1dAlan Viverette } 21615d565faab21324862fa24490f116424e1b668b1dAlan Viverette 21625d565faab21324862fa24490f116424e1b668b1dAlan Viverette View focusedView = viewRootImpl.getAccessibilityFocusedHost(); 21635d565faab21324862fa24490f116424e1b668b1dAlan Viverette if (focusedView == null) { 21645d565faab21324862fa24490f116424e1b668b1dAlan Viverette return null; 21655d565faab21324862fa24490f116424e1b668b1dAlan Viverette } 21665d565faab21324862fa24490f116424e1b668b1dAlan Viverette 21675d565faab21324862fa24490f116424e1b668b1dAlan Viverette ViewParent viewParent = focusedView.getParent(); 21685d565faab21324862fa24490f116424e1b668b1dAlan Viverette while ((viewParent instanceof View) && (viewParent != this)) { 21695d565faab21324862fa24490f116424e1b668b1dAlan Viverette focusedView = (View) viewParent; 21705d565faab21324862fa24490f116424e1b668b1dAlan Viverette viewParent = viewParent.getParent(); 21715d565faab21324862fa24490f116424e1b668b1dAlan Viverette } 21725d565faab21324862fa24490f116424e1b668b1dAlan Viverette 21735d565faab21324862fa24490f116424e1b668b1dAlan Viverette if (!(viewParent instanceof View)) { 21745d565faab21324862fa24490f116424e1b668b1dAlan Viverette return null; 21755d565faab21324862fa24490f116424e1b668b1dAlan Viverette } 21765d565faab21324862fa24490f116424e1b668b1dAlan Viverette 21775d565faab21324862fa24490f116424e1b668b1dAlan Viverette return focusedView; 21785d565faab21324862fa24490f116424e1b668b1dAlan Viverette } 21795d565faab21324862fa24490f116424e1b668b1dAlan Viverette 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void updateScrollIndicators() { 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollUp != null) { 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollUp; 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0th element is not visible 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = mFirstPosition > 0; 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or top of 0th element is not visible 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollUp) { 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(0); 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = child.getTop() < mListPadding.top; 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp.setVisibility(canScrollUp ? View.VISIBLE : View.INVISIBLE); 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollDown != null) { 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollDown; 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = getChildCount(); 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Last item is not visible 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = (mFirstPosition + count) < mItemCount; 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or bottom of the last element is not visible 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollDown && count > 0) { 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(count - 1); 22079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = child.getBottom() > mBottom - mListPadding.bottom; 22089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown.setVisibility(canScrollDown ? View.VISIBLE : View.INVISIBLE); 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getSelectedView() { 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mItemCount > 0 && mSelectedPosition >= 0) { 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildAt(mSelectedPosition - mFirstPosition); 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingTop() 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The top list padding. 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingTop() { 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.top; 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingBottom() 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The bottom list padding. 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingBottom() { 22459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.bottom; 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingLeft() 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The left list padding. 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingLeft() { 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.left; 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingRight() 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The right list padding. 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingRight() { 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.right; 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a view and have it show the data associated with the specified 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * position. This is called when we have already discovered that the view is 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not available for reuse in the recycle bin. The only choices left are 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * converting an old view or making a new one. 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to display 227921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * @param isScrap Array of at least 1 boolean, the first entry will become true if 228021875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * the returned view was taken from the scrap heap, false if otherwise. 22814e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view displaying the data associated with the specified position 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 228421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy View obtainView(int position, boolean[] isScrap) { 22855fade8c69aef621312232ef0647502d7a63990b9Romain Guy Trace.traceBegin(Trace.TRACE_TAG_VIEW, "obtainView"); 22865fade8c69aef621312232ef0647502d7a63990b9Romain Guy 228721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy isScrap[0] = false; 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2289595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Check whether we have a transient state view. Attempt to re-bind the 2290595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // data and discard the view if we fail. 2291595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final View transientView = mRecycler.getTransientStateView(position); 2292595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (transientView != null) { 2293595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final View updatedView = mAdapter.getView(position, transientView, this); 2294595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (updatedView != transientView) { 2295595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Failed to re-bind the data, scrap the obtained view. 2296595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette mRecycler.addScrapView(updatedView, position); 2297595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 2298595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette 2299595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Scrap view implies temporary detachment. 2300595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette isScrap[0] = true; 2301595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette return transientView; 2302539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 2303539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 2304595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final View scrapView = mRecycler.getScrapView(position); 2305595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final View child = mAdapter.getView(position, scrapView, this); 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scrapView != null) { 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != scrapView) { 2308595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Failed to re-bind the data, return scrap to the heap. 2309079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(scrapView, position); 231021875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy } else { 2311a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy isScrap[0] = true; 23121e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette 23131e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // Clear any system-managed transient state so that we can 23141e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // recycle this view and bind it to different data. 23151e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette if (child.isAccessibilityFocused()) { 23161e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette child.clearAccessibilityFocus(); 23171e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette } 23181e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette 2319a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy child.dispatchFinishTemporaryDetach(); 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2321595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 23224213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 2323595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (mCacheColorHint != 0) { 2324595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette child.setDrawingCacheBackgroundColor(mCacheColorHint); 2325595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 23264213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 2327595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (child.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 2328595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette child.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2331aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell if (mAdapterHasStableIds) { 2332aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell final ViewGroup.LayoutParams vlp = child.getLayoutParams(); 2333aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell LayoutParams lp; 2334aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell if (vlp == null) { 2335aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp = (LayoutParams) generateDefaultLayoutParams(); 2336aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } else if (!checkLayoutParams(vlp)) { 2337aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp = (LayoutParams) generateLayoutParams(vlp); 2338aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } else { 2339aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp = (LayoutParams) vlp; 2340aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } 2341aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp.itemId = mAdapter.getItemId(position); 2342aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell child.setLayoutParams(lp); 2343aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } 2344aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell 2345c1d7e770e123adfa992d013fa294693d077cbc78alanv if (AccessibilityManager.getInstance(mContext).isEnabled()) { 2346c1d7e770e123adfa992d013fa294693d077cbc78alanv if (mAccessibilityDelegate == null) { 2347c1d7e770e123adfa992d013fa294693d077cbc78alanv mAccessibilityDelegate = new ListItemAccessibilityDelegate(); 2348c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2349b72fe7a2635906d6244efedfe302c2c46e564803alanv if (child.getAccessibilityDelegate() == null) { 2350b72fe7a2635906d6244efedfe302c2c46e564803alanv child.setAccessibilityDelegate(mAccessibilityDelegate); 2351b72fe7a2635906d6244efedfe302c2c46e564803alanv } 2352c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2353c1d7e770e123adfa992d013fa294693d077cbc78alanv 23545fade8c69aef621312232ef0647502d7a63990b9Romain Guy Trace.traceEnd(Trace.TRACE_TAG_VIEW); 23555fade8c69aef621312232ef0647502d7a63990b9Romain Guy 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return child; 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359c1d7e770e123adfa992d013fa294693d077cbc78alanv class ListItemAccessibilityDelegate extends AccessibilityDelegate { 2360c1d7e770e123adfa992d013fa294693d077cbc78alanv @Override 236150776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov public AccessibilityNodeInfo createAccessibilityNodeInfo(View host) { 236250776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // If the data changed the children are invalid since the data model changed. 236350776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // Hence, we pretend they do not exist. After a layout the children will sync 236450776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // with the model at which point we notify that the accessibility state changed, 236550776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // so a service will be able to re-fetch the views. 236650776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov if (mDataChanged) { 236750776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov return null; 236850776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov } 236950776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov return super.createAccessibilityNodeInfo(host); 237050776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov } 237150776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov 237250776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov @Override 2373c1d7e770e123adfa992d013fa294693d077cbc78alanv public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) { 2374c1d7e770e123adfa992d013fa294693d077cbc78alanv super.onInitializeAccessibilityNodeInfo(host, info); 2375c1d7e770e123adfa992d013fa294693d077cbc78alanv 2376c1d7e770e123adfa992d013fa294693d077cbc78alanv final int position = getPositionForView(host); 23775b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette onInitializeAccessibilityNodeInfoForItem(host, position, info); 2378c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2379c1d7e770e123adfa992d013fa294693d077cbc78alanv 2380c1d7e770e123adfa992d013fa294693d077cbc78alanv @Override 2381c1d7e770e123adfa992d013fa294693d077cbc78alanv public boolean performAccessibilityAction(View host, int action, Bundle arguments) { 2382fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (super.performAccessibilityAction(host, action, arguments)) { 2383fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov return true; 2384fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 2385fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov 2386c1d7e770e123adfa992d013fa294693d077cbc78alanv final int position = getPositionForView(host); 23879c3e0e68260fe50456996d75304b73054cbde94aalanv final ListAdapter adapter = getAdapter(); 2388c1d7e770e123adfa992d013fa294693d077cbc78alanv 23899c3e0e68260fe50456996d75304b73054cbde94aalanv if ((position == INVALID_POSITION) || (adapter == null)) { 23909c3e0e68260fe50456996d75304b73054cbde94aalanv // Cannot perform actions on invalid items. 2391c1d7e770e123adfa992d013fa294693d077cbc78alanv return false; 2392c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2393c1d7e770e123adfa992d013fa294693d077cbc78alanv 23949c3e0e68260fe50456996d75304b73054cbde94aalanv if (!isEnabled() || !adapter.isEnabled(position)) { 23959c3e0e68260fe50456996d75304b73054cbde94aalanv // Cannot perform actions on disabled items. 2396fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov return false; 2397fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 2398fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov 2399c1d7e770e123adfa992d013fa294693d077cbc78alanv final long id = getItemIdAtPosition(position); 2400c1d7e770e123adfa992d013fa294693d077cbc78alanv 2401c1d7e770e123adfa992d013fa294693d077cbc78alanv switch (action) { 24029c3e0e68260fe50456996d75304b73054cbde94aalanv case AccessibilityNodeInfo.ACTION_CLEAR_SELECTION: { 24039c3e0e68260fe50456996d75304b73054cbde94aalanv if (getSelectedItemPosition() == position) { 24049c3e0e68260fe50456996d75304b73054cbde94aalanv setSelection(INVALID_POSITION); 24059c3e0e68260fe50456996d75304b73054cbde94aalanv return true; 24069c3e0e68260fe50456996d75304b73054cbde94aalanv } 24079c3e0e68260fe50456996d75304b73054cbde94aalanv } return false; 2408fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov case AccessibilityNodeInfo.ACTION_SELECT: { 24099c3e0e68260fe50456996d75304b73054cbde94aalanv if (getSelectedItemPosition() != position) { 24109c3e0e68260fe50456996d75304b73054cbde94aalanv setSelection(position); 24119c3e0e68260fe50456996d75304b73054cbde94aalanv return true; 24129c3e0e68260fe50456996d75304b73054cbde94aalanv } 24139c3e0e68260fe50456996d75304b73054cbde94aalanv } return false; 2414fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov case AccessibilityNodeInfo.ACTION_CLICK: { 2415fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isClickable()) { 2416c1d7e770e123adfa992d013fa294693d077cbc78alanv return performItemClick(host, position, id); 2417c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2418fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } return false; 2419fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov case AccessibilityNodeInfo.ACTION_LONG_CLICK: { 2420fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isLongClickable()) { 2421c1d7e770e123adfa992d013fa294693d077cbc78alanv return performLongPress(host, position, id); 2422c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2423fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } return false; 2424c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2425c1d7e770e123adfa992d013fa294693d077cbc78alanv 2426fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov return false; 2427c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2428c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2429c1d7e770e123adfa992d013fa294693d077cbc78alanv 24305b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette /** 24315b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette * Initializes an {@link AccessibilityNodeInfo} with information about a 24325b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette * particular item in the list. 24335b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette * 24345b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette * @param view View representing the list item. 24355b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette * @param position Position of the list item within the adapter. 24365b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette * @param info Node info to populate. 24375b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette */ 24385b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette public void onInitializeAccessibilityNodeInfoForItem( 24395b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette View view, int position, AccessibilityNodeInfo info) { 24405b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette final ListAdapter adapter = getAdapter(); 24415b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette if (position == INVALID_POSITION || adapter == null) { 24425b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette // The item doesn't exist, so there's not much we can do here. 24435b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette return; 24445b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } 24455b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette 24465b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette if (!isEnabled() || !adapter.isEnabled(position)) { 24475b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.setEnabled(false); 24485b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette return; 24495b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } 24505b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette 24515b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette if (position == getSelectedItemPosition()) { 24525b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.setSelected(true); 24535b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_SELECTION); 24545b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } else { 24555b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.addAction(AccessibilityNodeInfo.ACTION_SELECT); 24565b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } 24575b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette 24585b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette if (isClickable()) { 24595b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.addAction(AccessibilityNodeInfo.ACTION_CLICK); 24605b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.setClickable(true); 24615b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } 24625b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette 24635b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette if (isLongClickable()) { 24645b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.addAction(AccessibilityNodeInfo.ACTION_LONG_CLICK); 24655b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette info.setLongClickable(true); 24665b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } 24675b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette } 24685b2081dc41cccd76780a2cb4e9a973505c13446cAlan Viverette 2469079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void positionSelector(int position, View sel) { 2470079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (position != INVALID_POSITION) { 2471079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = position; 2472079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2473079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect selectorRect = mSelectorRect; 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.set(sel.getLeft(), sel.getTop(), sel.getRight(), sel.getBottom()); 2476e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (sel instanceof SelectionBoundsAdjuster) { 2477e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn ((SelectionBoundsAdjuster)sel).adjustListItemSelectionBounds(selectorRect); 2478e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(selectorRect.left, selectorRect.top, selectorRect.right, 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.bottom); 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean isChildViewEnabled = mIsChildViewEnabled; 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sel.isEnabled() != isChildViewEnabled) { 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsChildViewEnabled = !isChildViewEnabled; 2485a79f4b7df9d6d80b9371ba289040a60fa93bb87cJason Bayer if (getSelectedItemPosition() != INVALID_POSITION) { 2486079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn refreshDrawableState(); 2487079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void positionSelector(int l, int t, int r, int b) { 24929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.set(l - mSelectionLeftPadding, t - mSelectionTopPadding, r 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mSelectionRightPadding, b + mSelectionBottomPadding); 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 24979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 24989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 24999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 25009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 25049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 25059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 25069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 25079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~CLIP_TO_PADDING_MASK; 25089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawSelectorOnTop = mDrawSelectorOnTop; 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!drawSelectorOnTop) { 25129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 25139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDraw(canvas); 25169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (drawSelectorOnTop) { 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= CLIP_TO_PADDING_MASK; 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 252820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected boolean isPaddingOffsetRequired() { 252920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) != CLIP_TO_PADDING_MASK; 253020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 253120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 253220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 253320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getLeftPaddingOffset() { 253420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingLeft; 253520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 253620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 253720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 253820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getTopPaddingOffset() { 253920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingTop; 254020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 254120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 254220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 254320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getRightPaddingOffset() { 254420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingRight; 254520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 254620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 254720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 254820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getBottomPaddingOffset() { 254920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingBottom; 255020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 255120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 255220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSizeChanged(int w, int h, int oldw, int oldh) { 25549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 25559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 25569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2558d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 25598636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 25608636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.onSizeChanged(w, h, oldw, oldh); 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the current touch mode requires that we draw the selector in the pressed 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean touchModeDrawsInPressedState() { 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME use isPressed for this 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 25719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 25729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this view is in a state where the selector should be drawn. This will 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen if we have focus but are not in touch mode, or we are in the middle of displaying 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pressed state for an item. 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the selector should be shown 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean shouldShowSelector() { 258774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette return (!isInTouchMode()) || (touchModeDrawsInPressedState() && isPressed()); 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void drawSelector(Canvas canvas) { 2591079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (!mSelectorRect.isEmpty()) { 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable selector = mSelector; 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.setBounds(mSelectorRect); 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.draw(canvas); 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls whether the selection highlight drawable should be drawn on top of the item or 26009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * behind it. 26019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onTop If true, the selector will be drawn on the item it is highlighting. The default 26039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is false. 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawSelectorOnTop(boolean onTop) { 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = onTop; 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a Drawable that should be used to highlight the currently selected item. 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resID A Drawable resource to use as the selection highlight. 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(int resID) { 26198eea3ea5591e59f55cbb4f6b2b7e9363a285ced3Alan Viverette setSelector(getContext().getDrawable(resID)); 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(Drawable sel) { 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector.setCallback(null); 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mSelector); 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector = sel; 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect padding = new Rect(); 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.getPadding(padding); 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionLeftPadding = padding.left; 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionTopPadding = padding.top; 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionRightPadding = padding.right; 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionBottomPadding = padding.bottom; 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.setCallback(this); 2635079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the selector {@link android.graphics.drawable.Drawable} that is used to draw the 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * selection in the list. 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the drawable used to display the selector 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getSelector() { 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector; 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the selector state to "pressed" and posts a CheckForKeyLongPress to see if 26509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is a long press. 26519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void keyPressed() { 2653df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (!isEnabled() || !isClickable()) { 2654df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return; 2655df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2656df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable selector = mSelector; 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect selectorRect = mSelectorRect; 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selector != null && (isFocused() || touchModeDrawsInPressedState()) 2660079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn && !selectorRect.isEmpty()) { 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(mSelectedPosition - mFirstPosition); 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2664ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v != null) { 2665ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v.hasFocusable()) return; 2666ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project v.setPressed(true); 2667ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 26689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 26699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 26719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = selector.getCurrent(); 26729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 26739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 2674df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ((TransitionDrawable) d).startTransition( 2675df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ViewConfiguration.getLongPressTimeout()); 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable && !mDataChanged) { 26819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForKeyLongPress == null) { 26829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress = new CheckForKeyLongPress(); 26839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress.rememberWindowAttachCount(); 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForKeyLongPress, ViewConfiguration.getLongPressTimeout()); 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollIndicators(View up, View down) { 26919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp = up; 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown = down; 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2695079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void updateSelectorState() { 2696079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mSelector != null) { 2697079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (shouldShowSelector()) { 2698079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(getDrawableState()); 2699079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 2700079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(StateSet.NOTHING); 2701079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2702079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2703079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2704079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 2708079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 27099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 27139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child view is enabled then do the default behavior. 27149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsChildViewEnabled) { 27159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Common case 27169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 27179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The selector uses this View's drawable state. The selected child view 27209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is disabled, so we need to remove the enabled state from the drawable 27219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // states. 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int enabledState = ENABLED_STATE_SET[0]; 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we don't have any extra space, it will return one of the static state arrays, 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and clearing the enabled state on those arrays is a bad thing! If we specify 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we need extra space, it will create+copy into a new array that safely mutable. 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + 1); 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int enabledPos = -1; 27299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = state.length - 1; i >= 0; i--) { 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state[i] == enabledState) { 27319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enabledPos = i; 27329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 27339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the enabled state 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabledPos >= 0) { 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(state, enabledPos + 1, state, enabledPos, 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.length - enabledPos - 1); 27409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27410a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 27429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 27439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean verifyDrawable(Drawable dr) { 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector == dr || super.verifyDrawable(dr); 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2751e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void jumpDrawablesToCurrentState() { 2752e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn super.jumpDrawablesToCurrentState(); 2753e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (mSelector != null) mSelector.jumpToCurrentState(); 2754e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 2755e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 2756e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn @Override 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 27610e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.addOnTouchModeChangeListener(this); 27620e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne if (mTextFilterEnabled && mPopup != null && !mGlobalLayoutListenerAddedFilter) { 27630e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.addOnGlobalLayoutListener(this); 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27654e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 276682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null && mDataSetObserver == null) { 276782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = new AdapterDataSetObserver(); 276882afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.registerDataSetObserver(mDataSetObserver); 27696a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell 27706a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell // Data may have changed while we were detached. Refresh. 27716a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mDataChanged = true; 27726a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mOldItemCount = mItemCount; 27736a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mItemCount = mAdapter.getCount(); 277482afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 27759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 27799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 27809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27811f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy // Dismiss the popup in case onSaveInstanceState() was not invoked 27821f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy dismissPopup(); 27831f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy 278421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy // Detach any view left in the scrap heap 278521875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy mRecycler.clear(); 278621875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 27879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 27880e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.removeOnTouchModeChangeListener(this); 27890e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne if (mTextFilterEnabled && mPopup != null) { 27909d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy treeObserver.removeOnGlobalLayoutListener(this); 27910e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne mGlobalLayoutListenerAddedFilter = false; 27929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 279382afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy 2794bd1dd0d51ae07f4fc5de5ec0004e7e40ed205022Adam Powell if (mAdapter != null && mDataSetObserver != null) { 279582afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.unregisterDataSetObserver(mDataSetObserver); 279682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = null; 279782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 27981cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 27991cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan != null) { 28001cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan.finish(); 28011cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = null; 28021cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 28031cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 28041cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan != null) { 28051cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan.finish(); 28061cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = null; 28071cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 2808d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2809d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mFlingRunnable != null) { 2810d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mFlingRunnable); 2811d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2812d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2813d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPositionScroller != null) { 28144032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 2815d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2816d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2817d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mClearScrollingCache != null) { 2818d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mClearScrollingCache); 2819d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2820d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2821d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPerformClick != null) { 2822d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mPerformClick); 2823d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2824d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2825d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mTouchModeReset != null) { 2826d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mTouchModeReset); 2827a607223f34d436619132597bc0174223a6611bbbSangkyu Lee mTouchModeReset.run(); 2828d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 28299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 28329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onWindowFocusChanged(boolean hasWindowFocus) { 28339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onWindowFocusChanged(hasWindowFocus); 28349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int touchMode = isInTouchMode() ? TOUCH_MODE_ON : TOUCH_MODE_OFF; 28369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!hasWindowFocus) { 28389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 2839670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner if (mFlingRunnable != null) { 2840670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner removeCallbacks(mFlingRunnable); 2841670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // let the fling runnable report it's new state which 2842670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // should be idle 2843670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner mFlingRunnable.endFling(); 28444032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 28454032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 28464032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2847458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mScrollY != 0) { 2848458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollY = 0; 28490fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentCaches(); 2850637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 2851458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 2852458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2853670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner } 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Always hide the type filter 28559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 28569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 28589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the last selected element 28599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mSelectedPosition; 28609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 286297566043afdb714fd4eea6bb22898964e95f16bcAdam Powell if (mFiltered && !mPopupHidden) { 28639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the type filter only if a filter is in effect 28649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 28659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we changed touch mode since the last time we had focus 28689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode != mLastTouchMode && mLastTouchMode != TOUCH_MODE_UNKNOWN) { 28699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in trackball mode, we bring the selection back 28709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 28719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This will trigger a layout 28729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 28739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in touch mode, then we want to hide the selector 28759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 28769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 28779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 28789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 28799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastTouchMode = touchMode; 28849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28863a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio @Override 28873a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio public void onRtlPropertiesChanged(int layoutDirection) { 28883a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio super.onRtlPropertiesChanged(layoutDirection); 28898636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 28908636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.setScrollbarPosition(getVerticalScrollbarPosition()); 28913a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio } 28923a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio } 28933a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio 28949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the ContextMenuInfo returned from {@link #getContextMenuInfo()}. This 28969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods knows the view, position and ID of the item that received the 28979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * long press. 28989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view that received the long press. 29009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position of the item that received the long press. 29019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param id The ID of the item that received the long press. 29029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The extra information that should be returned by 29039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getContextMenuInfo()}. 29049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContextMenuInfo createContextMenuInfo(View view, int position, long id) { 29069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AdapterContextMenuInfo(view, position, id); 29079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29091487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell @Override 29101487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell public void onCancelPendingInputEvents() { 29111487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell super.onCancelPendingInputEvents(); 29121487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell if (mPerformClick != null) { 29131487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell removeCallbacks(mPerformClick); 29141487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell } 29151487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell if (mPendingCheckForTap != null) { 29161487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell removeCallbacks(mPendingCheckForTap); 29171487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell } 29181487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell if (mPendingCheckForLongPress != null) { 29191487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell removeCallbacks(mPendingCheckForLongPress); 29201487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell } 29211487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell if (mPendingCheckForKeyLongPress != null) { 29221487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell removeCallbacks(mPendingCheckForKeyLongPress); 29231487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell } 29241487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell } 29251487466dc2ce14cccf0ff2bd2f824238aaa0044eAdam Powell 29269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for Runnables that will check that their view is still attached to 29289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original window as when the Runnable was created. 29299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class WindowRunnnable { 29329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOriginalAttachCount; 29330a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 29349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rememberWindowAttachCount() { 29359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOriginalAttachCount = getWindowAttachCount(); 29369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29370a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 29389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean sameWindow() { 293929219d963d1ec29ddea3e5814eb82c2aeaccc1acCraig Mautner return getWindowAttachCount() == mOriginalAttachCount; 29409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29420a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 29439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class PerformClick extends WindowRunnnable implements Runnable { 29449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mClickMotionPosition; 29459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29468fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 29479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 29489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The data has changed since we posted this action in the event queue, 29499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bail out before bad things happen 29509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataChanged) return; 29519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2952005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final ListAdapter adapter = mAdapter; 2953005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final int motionPosition = mClickMotionPosition; 2954005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (adapter != null && mItemCount > 0 && 2955005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition != INVALID_POSITION && 2956005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition < adapter.getCount() && sameWindow()) { 29577890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy final View view = getChildAt(motionPosition - mFirstPosition); 29587890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy // If there is no view, something bad happened (the view scrolled off the 29597890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy // screen, etc.) and we should cancel the click 29607890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy if (view != null) { 29617890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy performItemClick(view, motionPosition, adapter.getItemId(motionPosition)); 29627890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy } 29639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForLongPress extends WindowRunnnable implements Runnable { 29688fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 29699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 29709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 29719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 29729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 29739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = mMotionPosition; 29749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(mMotionPosition); 29759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 29770a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy if (sameWindow() && !mDataChanged) { 29789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(child, longPressPosition, longPressId); 29799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 29819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 29829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 29839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 29849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 29859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 29869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29900a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 29919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForKeyLongPress extends WindowRunnnable implements Runnable { 29928fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 29939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 29949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPressed() && mSelectedPosition >= 0) { 29959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = mSelectedPosition - mFirstPosition; 29969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(index); 29979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 29999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 30009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sameWindow()) { 30019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(v, mSelectedPosition, mSelectedRowId); 30029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 30049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 30059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setPressed(false); 30069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 30089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 30099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) v.setPressed(false); 30109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30158350f7dbc3a62211b2891f35911e4073d24c4cc5Adam Powell boolean performLongPress(final View child, 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition, final long longPressId) { 3017f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // CHOICE_MODE_MULTIPLE_MODAL takes over long press. 3018f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 30191e83b3e6ab69456db5d308c12e367a5d7166610dAdam Powell if (mChoiceActionMode == null && 30201e83b3e6ab69456db5d308c12e367a5d7166610dAdam Powell (mChoiceActionMode = startActionMode(mMultiChoiceModeCallback)) != null) { 3021f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setItemChecked(longPressPosition, true); 30221e83b3e6ab69456db5d308c12e367a5d7166610dAdam Powell performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 3023f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 3024f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 3025f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3027f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, child, 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo(child, longPressPosition, longPressId); 30349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(AbsListView.this); 30359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ContextMenuInfo getContextMenuInfo() { 30449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContextMenuInfo; 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3047fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown /** @hide */ 3048fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown @Override 3049fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown public boolean showContextMenu(float x, float y, int metaState) { 3050fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown final int position = pointToPosition((int)x, (int)y); 3051fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown if (position != INVALID_POSITION) { 3052fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown final long id = mAdapter.getItemId(position); 3053fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown View child = getChildAt(position - mFirstPosition); 3054fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown if (child != null) { 3055fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown mContextMenuInfo = createContextMenuInfo(child, position, id); 3056fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown return super.showContextMenuForChild(AbsListView.this); 3057fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 3058fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 3059fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown return super.showContextMenu(x, y, metaState); 3060fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 3061fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown 30629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 30639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 30649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = getPositionForView(originalView); 30659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longPressPosition >= 0) { 30669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(longPressPosition); 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 30689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 30709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, originalView, 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 30749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo( 30759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChildAt(longPressPosition - mFirstPosition), 30769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 30779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(originalView); 30789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 30819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 30839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3086df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy public boolean onKeyDown(int keyCode, KeyEvent event) { 3087df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return false; 3088df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 3089df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 3090df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy @Override 30919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(int keyCode, KeyEvent event) { 309224d36f592224d1316165f579bb0937df0bf42f7cMichael Wright if (KeyEvent.isConfirmKey(keyCode)) { 3093dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 3094dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return true; 3095dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 3096df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (isClickable() && isPressed() && 3097dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy mSelectedPosition >= 0 && mAdapter != null && 30989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition < mAdapter.getCount()) { 3099dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 31009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(mSelectedPosition - mFirstPosition); 310145b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy if (view != null) { 310245b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy performItemClick(view, mSelectedPosition, mSelectedRowId); 310345b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy view.setPressed(false); 310445b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy } 31059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 31069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 31079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyUp(keyCode, event); 31109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 31139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 31149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch setPressed to our children. We call setPressed on ourselves to 31159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the selector in the right state, but we don't want to press each child. 31169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a position in the list. 31209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 31229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 31239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The position of the item which contains the specified point, or 31249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #INVALID_POSITION} if the point does not intersect an item. 31259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int pointToPosition(int x, int y) { 31279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect frame = mTouchFrame; 31289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame == null) { 31299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchFrame = new Rect(); 31309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frame = mTouchFrame; 31319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 31349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 31359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 31369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == View.VISIBLE) { 31379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 31389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(x, y)) { 31399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFirstPosition + i; 31409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_POSITION; 31449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a the rowId of the item which intersects that point. 31499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 31519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 31529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The rowId of the item which contains the specified point, or {@link #INVALID_ROW_ID} 31539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the point does not intersect an item. 31549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long pointToRowId(int x, int y) { 31569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = pointToPosition(x, y); 31579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position >= 0) { 31589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAdapter.getItemId(position); 31599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_ROW_ID; 31619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckForTap implements Runnable { 31648fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 31659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 31669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN) { 31679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_TAP; 31689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(mMotionPosition - mFirstPosition); 31699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 31709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 31719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 31739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 31749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 3175079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn layoutChildren(); 3176079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mMotionPosition, child); 3177e0fd2eb2f143b2776b5e1a4e88144fddadd149b1Adam Powell refreshDrawableState(); 31789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressTimeout = ViewConfiguration.getLongPressTimeout(); 31809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 31819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 31839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 31849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 31859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 31869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).startTransition(longPressTimeout); 31879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 31889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 31899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 31949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForLongPress == null) { 31959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress = new CheckForLongPress(); 31969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress.rememberWindowAttachCount(); 31989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForLongPress, longPressTimeout); 31999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 32009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 32019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 32030a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy mTouchMode = TOUCH_MODE_DONE_WAITING; 32049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 321078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown private boolean startScrollIfNeeded(int y) { 32119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 32129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 321378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int deltaY = y - mMotionY; 32149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int distance = Math.abs(deltaY); 3215637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final boolean overscroll = mScrollY != 0; 3216637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscroll || distance > mTouchSlop) { 32179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createScrollingCache(); 321878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overscroll) { 321978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_OVERSCROLL; 322078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionCorrection = 0; 322178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else { 322278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_SCROLL; 322378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionCorrection = deltaY > 0 ? mTouchSlop : -mTouchSlop; 322478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 322574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mPendingCheckForLongPress); 32269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 322774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final View motionView = getChildAt(mMotionPosition - mFirstPosition); 32289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (motionView != null) { 32299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project motionView.setPressed(false); 32309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 32329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Time to start stealing events! Once we've stolen them, don't let anyone 32339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // steal from us 323413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka final ViewParent parent = getParent(); 323513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (parent != null) { 323613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka parent.requestDisallowInterceptTouchEvent(true); 323713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 323878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown scrollIfNeeded(y); 32399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 32409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 32439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 324578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown private void scrollIfNeeded(int y) { 324678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int rawDeltaY = y - mMotionY; 324778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int deltaY = rawDeltaY - mMotionCorrection; 324878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 324978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 325078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mTouchMode == TOUCH_MODE_SCROLL) { 325178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (PROFILE_SCROLLING) { 325278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mScrollProfilingStarted) { 325378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown Debug.startMethodTracing("AbsListViewScroll"); 325478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mScrollProfilingStarted = true; 325578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 325678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 325778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 325878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mScrollStrictSpan == null) { 325978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // If it's non-null, we're already in a scroll. 326078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mScrollStrictSpan = StrictMode.enterCriticalSpan("AbsListView-scroll"); 326178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 326278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 326378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (y != mLastY) { 326478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // We may be here after stopping a fling and continuing to scroll. 326578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // If so, we haven't disallowed intercepting touch events yet. 326678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Make sure that we do so in case we're in a parent that can intercept. 326778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) == 0 && 326878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown Math.abs(rawDeltaY) > mTouchSlop) { 326978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final ViewParent parent = getParent(); 327078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (parent != null) { 327178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown parent.requestDisallowInterceptTouchEvent(true); 327278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 327378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 327478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 327578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int motionIndex; 327678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mMotionPosition >= 0) { 327778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionIndex = mMotionPosition - mFirstPosition; 327878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else { 327978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // If we don't have a motion position that we can reliably track, 328078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // pick something in the middle to make a best guess at things below. 328178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionIndex = getChildCount() / 2; 328278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 328378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 328478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int motionViewPrevTop = 0; 328578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown View motionView = this.getChildAt(motionIndex); 328678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (motionView != null) { 328778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionViewPrevTop = motionView.getTop(); 328878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 328978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 329078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // No need to do all this work if we're not going to move anyway 329178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown boolean atEdge = false; 329278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (incrementalDeltaY != 0) { 329378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown atEdge = trackMotionScroll(deltaY, incrementalDeltaY); 329478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 329578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 329678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Check to see if we have bumped into the scroll limit 329778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionView = this.getChildAt(motionIndex); 329878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (motionView != null) { 329978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Check if the top of the motion view is where it is 330078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // supposed to be 330178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int motionViewRealTop = motionView.getTop(); 330278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (atEdge) { 330378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Apply overscroll 330478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 330578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int overscroll = -incrementalDeltaY - 330678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown (motionViewRealTop - motionViewPrevTop); 330778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown overScrollBy(0, overscroll, 0, mScrollY, 0, 0, 330878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 0, mOverscrollDistance, true); 330978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (Math.abs(mOverscrollDistance) == Math.abs(mScrollY)) { 331078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Don't allow overfling if we're at the edge. 331178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mVelocityTracker != null) { 331278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mVelocityTracker.clear(); 331378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 331478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 331578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 331678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int overscrollMode = getOverScrollMode(); 331778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overscrollMode == OVER_SCROLL_ALWAYS || 331878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 331978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown !contentFits())) { 332078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mDirection = 0; // Reset when entering overscroll. 332178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_OVERSCROLL; 332278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (rawDeltaY > 0) { 332378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onPull((float) overscroll / getHeight()); 332478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowBottom.isFinished()) { 332578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onRelease(); 332678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3327a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowTop.getBounds(false)); 332878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else if (rawDeltaY < 0) { 332978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onPull((float) overscroll / getHeight()); 333078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowTop.isFinished()) { 333178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onRelease(); 333278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3333a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowBottom.getBounds(true)); 333478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 333578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 333678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 333778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionY = y; 333878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 333978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mLastY = y; 334078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 334178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else if (mTouchMode == TOUCH_MODE_OVERSCROLL) { 334278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (y != mLastY) { 334378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int oldScroll = mScrollY; 334478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int newScroll = oldScroll - incrementalDeltaY; 334578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int newDirection = y > mLastY ? 1 : -1; 334678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 334778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mDirection == 0) { 334878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mDirection = newDirection; 334978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 335078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 335178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int overScrollDistance = -incrementalDeltaY; 335278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if ((newScroll < 0 && oldScroll >= 0) || (newScroll > 0 && oldScroll <= 0)) { 335378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown overScrollDistance = -oldScroll; 335478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown incrementalDeltaY += overScrollDistance; 335578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else { 335678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown incrementalDeltaY = 0; 335778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 335878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 335978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overScrollDistance != 0) { 336078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown overScrollBy(0, overScrollDistance, 0, mScrollY, 0, 0, 336178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 0, mOverscrollDistance, true); 336278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int overscrollMode = getOverScrollMode(); 336378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overscrollMode == OVER_SCROLL_ALWAYS || 336478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 336578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown !contentFits())) { 336678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (rawDeltaY > 0) { 336778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onPull((float) overScrollDistance / getHeight()); 336878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowBottom.isFinished()) { 336978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onRelease(); 337078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3371a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowTop.getBounds(false)); 337278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else if (rawDeltaY < 0) { 337378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onPull((float) overScrollDistance / getHeight()); 337478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowTop.isFinished()) { 337578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onRelease(); 337678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3377a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowBottom.getBounds(true)); 337878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 337978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 338078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 338178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 338278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (incrementalDeltaY != 0) { 338378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Coming back to 'real' list scrolling 33849d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mScrollY != 0) { 33859d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mScrollY = 0; 33869d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy invalidateParentIfNeeded(); 338778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 338878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 33899d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy trackMotionScroll(incrementalDeltaY, incrementalDeltaY); 33909d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy 339178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_SCROLL; 339278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 339378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // We did not scroll the full amount. Treat this essentially like the 339478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // start of a new touch scroll 339578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int motionPosition = findClosestMotionRow(y); 339678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 339778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionCorrection = 0; 339878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown View motionView = getChildAt(motionPosition - mFirstPosition); 339978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionViewOriginalTop = motionView != null ? motionView.getTop() : 0; 340078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionY = y; 340178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionPosition = motionPosition; 340278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 340378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mLastY = y; 340478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mDirection = newDirection; 340578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 340678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 340778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 340878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 34098fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 34109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 34119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode) { 34129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get rid of the selection when we enter touch mode 34139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 34149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout, but only if we already have done so previously. 34159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (Otherwise may clobber a LAYOUT_SYNC layout that was requested to restore 34169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // state.) 34179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getHeight() > 0 && getChildCount() > 0) { 34189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We do not lose focus initiating a touch (since AbsListView is focusable in 34199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // touch mode). Force an initial layout to get rid of the selection. 34209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 34219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34221e20946aa34372de5585e2a8ce3b73906a2d828bJeff Brown updateSelectorState(); 3423637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3424637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int touchMode = mTouchMode; 3425637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERSCROLL || touchMode == TOUCH_MODE_OVERFLING) { 3426637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable != null) { 3427637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.endFling(); 3428637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 34294032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 34304032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 34314032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 3432637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3433637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 3434637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = 0; 34350fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentCaches(); 3436637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 3437637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3438637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3439637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 34449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 3445dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 3446dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // A disabled view that is clickable still consumes the touch 3447dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // events, it just doesn't respond to them. 3448dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return isClickable() || isLongClickable(); 3449dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 3450dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 34511fa179ef41c06bd19da70fd9bf95741238791940Adam Powell if (mPositionScroller != null) { 34521fa179ef41c06bd19da70fd9bf95741238791940Adam Powell mPositionScroller.stop(); 34531fa179ef41c06bd19da70fd9bf95741238791940Adam Powell } 34541fa179ef41c06bd19da70fd9bf95741238791940Adam Powell 345531986b5b696c399b356c8819cb581441027bef36Adam Powell if (!isAttachedToWindow()) { 345628048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Something isn't right. 345728048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Since we rely on being attached to get data set change notifications, 345828048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // don't risk doing anything where we might try to resync and find things 345928048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // in a bogus state. 346028048d011cb0887cd641977ca37e5f2fde04d191Adam Powell return false; 346128048d011cb0887cd641977ca37e5f2fde04d191Adam Powell } 346228048d011cb0887cd641977ca37e5f2fde04d191Adam Powell 34638636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 34648636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette boolean intercepted = mFastScroll.onTouchEvent(ev); 34659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 34669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 34670a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy } 34689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 346982f3495b146b267f3786997752cef25310176349Romain Guy 347013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka initVelocityTrackerIfNotExists(); 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.addMovement(ev); 34729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34738fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int actionMasked = ev.getActionMasked(); 34748fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette switch (actionMasked) { 34758fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_DOWN: { 34768fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchDown(ev); 34778fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 34788fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 34799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34808fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_MOVE: { 34818fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchMove(ev); 34828fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 34838fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 34849d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell 34858fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_UP: { 34868fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchUp(ev); 34878fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 34888fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 3489e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 34908fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_CANCEL: { 34918fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchCancel(); 34928fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 34938fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 3494e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 34958fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_POINTER_UP: { 34968fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onSecondaryPointerUp(ev); 34978fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int x = mMotionX; 34988fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int y = mMotionY; 34998fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int motionPosition = pointToPosition(x, y); 35008fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette if (motionPosition >= 0) { 35018fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // Remember where the motion event started 35028fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final View child = getChildAt(motionPosition - mFirstPosition); 35038fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionViewOriginalTop = child.getTop(); 35048fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionPosition = motionPosition; 35058fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 35068fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mLastY = y; 35078fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 35089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown 35108fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_POINTER_DOWN: { 35118fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // New pointers take over dragging duties 35128fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int index = ev.getActionIndex(); 35138fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int id = ev.getPointerId(index); 35148fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int x = (int) ev.getX(index); 35158fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int y = (int) ev.getY(index); 35168fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionCorrection = 0; 35178fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mActivePointerId = id; 35188fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionX = x; 35198fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionY = y; 35208fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int motionPosition = pointToPosition(x, y); 35218fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette if (motionPosition >= 0) { 35228fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // Remember where the motion event started 35238fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final View child = getChildAt(motionPosition - mFirstPosition); 35248fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionViewOriginalTop = child.getTop(); 35258fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionPosition = motionPosition; 35268fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 35278fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mLastY = y; 35288fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 3529fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 3530e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 35319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3532e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette return true; 3533e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3534e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3535e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchDown(MotionEvent ev) { 35363d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mActivePointerId = ev.getPointerId(0); 35373d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 35383d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (mTouchMode == TOUCH_MODE_OVERFLING) { 35393d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // Stopped the fling. It is a scroll. 3540e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.endFling(); 3541e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mPositionScroller != null) { 3542e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPositionScroller.stop(); 3543e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3544e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_OVERSCROLL; 3545e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionX = (int) ev.getX(); 35463d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mMotionY = (int) ev.getY(); 35473d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mLastY = mMotionY; 3548e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionCorrection = 0; 3549e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mDirection = 0; 35503d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette } else { 3551e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int x = (int) ev.getX(); 3552e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int y = (int) ev.getY(); 3553e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette int motionPosition = pointToPosition(x, y); 35543d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3555e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (!mDataChanged) { 35563d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (mTouchMode == TOUCH_MODE_FLING) { 35573d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // Stopped a fling. It is a scroll. 35583d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette createScrollingCache(); 35593d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mTouchMode = TOUCH_MODE_SCROLL; 35603d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mMotionCorrection = 0; 35613d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette motionPosition = findMotionRow(y); 35623d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mFlingRunnable.flywheelTouch(); 35633d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette } else if ((motionPosition >= 0) && getAdapter().isEnabled(motionPosition)) { 35643d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // User clicked on an actual view (and was not stopping a 35653d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // fling). It might be a click or a scroll. Assume it is a 35663d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // click until proven otherwise. 3567e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_DOWN; 35683d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3569e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // FIXME Debounce 3570e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mPendingCheckForTap == null) { 3571e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPendingCheckForTap = new CheckForTap(); 3572e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 35733d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3574e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); 3575e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 35762585e9bd6ded294e426607717ccc85a56bade594Justin Koh } 35776f663c1a3c4d4a23bc71302add27b3d03d7d507bAdam Powell 3578e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (motionPosition >= 0) { 3579e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Remember where the motion event started 35803d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette final View v = getChildAt(motionPosition - mFirstPosition); 3581e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionViewOriginalTop = v.getTop(); 35826f663c1a3c4d4a23bc71302add27b3d03d7d507bAdam Powell } 35833d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3584e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionX = x; 3585e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionY = y; 3586e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionPosition = motionPosition; 3587e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mLastY = Integer.MIN_VALUE; 3588e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 35896f663c1a3c4d4a23bc71302add27b3d03d7d507bAdam Powell 3590b339cc5bcbafbc5b9cf184c6f87b4eb466386ea6Alan Viverette if (mTouchMode == TOUCH_MODE_DOWN && mMotionPosition != INVALID_POSITION 3591b339cc5bcbafbc5b9cf184c6f87b4eb466386ea6Alan Viverette && performButtonActionOnTouchDown(ev)) { 35923d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette removeCallbacks(mPendingCheckForTap); 3593e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3594e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3595e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3596e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchMove(MotionEvent ev) { 3597e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette int pointerIndex = ev.findPointerIndex(mActivePointerId); 3598e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (pointerIndex == -1) { 3599e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette pointerIndex = 0; 3600e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mActivePointerId = ev.getPointerId(pointerIndex); 3601e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3602e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3603e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mDataChanged) { 3604e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Re-sync everything if data has been changed 3605e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // since the scroll operation can query the adapter. 3606e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette layoutChildren(); 3607e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3608e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 36098fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int y = (int) ev.getY(pointerIndex); 36108fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette 3611e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette switch (mTouchMode) { 36128fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_DOWN: 36138fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_TAP: 36148fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_DONE_WAITING: 36158fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // Check if we have moved far enough that it looks more like a 361674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette // scroll than a tap. If so, we'll enter scrolling mode. 361774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (startScrollIfNeeded(y)) { 361874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette break; 361974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 362074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette // Otherwise, check containment within list bounds. If we're 362174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette // outside bounds, cancel any active presses. 36223d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette final float x = ev.getX(pointerIndex); 36233d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (!pointInView(x, y, mTouchSlop)) { 362474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setPressed(false); 362574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final View motionView = getChildAt(mMotionPosition - mFirstPosition); 362674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (motionView != null) { 362774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette motionView.setPressed(false); 362874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 362974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 363074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mPendingCheckForTap : mPendingCheckForLongPress); 363174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_DONE_WAITING; 363274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette updateSelectorState(); 363374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 36348fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 36358fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_SCROLL: 36368fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_OVERSCROLL: 36378fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette scrollIfNeeded(y); 36388fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 36399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3640e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 36419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3642e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchUp(MotionEvent ev) { 3643e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette switch (mTouchMode) { 3644e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_DOWN: 3645e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_TAP: 3646e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_DONE_WAITING: 3647e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int motionPosition = mMotionPosition; 3648e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final View child = getChildAt(motionPosition - mFirstPosition); 364974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (child != null) { 3650e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mTouchMode != TOUCH_MODE_DOWN) { 3651e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette child.setPressed(false); 3652e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3653e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 365474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final float x = ev.getX(); 365574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final boolean inList = x > mListPadding.left && x < getWidth() - mListPadding.right; 365674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (inList && !child.hasFocusable()) { 365774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mPerformClick == null) { 365874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mPerformClick = new PerformClick(); 365974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 3660e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 366174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final AbsListView.PerformClick performClick = mPerformClick; 366274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.mClickMotionPosition = motionPosition; 366374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.rememberWindowAttachCount(); 36649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 366574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mResurrectToPosition = motionPosition; 36669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 366774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { 366874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 3669e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPendingCheckForTap : mPendingCheckForLongPress); 367074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mLayoutMode = LAYOUT_NORMAL; 367174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 367274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_TAP; 367374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setSelectedPositionInt(mMotionPosition); 367474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette layoutChildren(); 367574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette child.setPressed(true); 367674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette positionSelector(mMotionPosition, child); 367774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setPressed(true); 367874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mSelector != null) { 367974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette Drawable d = mSelector.getCurrent(); 368074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (d != null && d instanceof TransitionDrawable) { 368174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette ((TransitionDrawable) d).resetTransition(); 36829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 368474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mTouchModeReset != null) { 368574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mTouchModeReset); 368674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 368774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchModeReset = new Runnable() { 368874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette @Override 368974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette public void run() { 369074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchModeReset = null; 369174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_REST; 369274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette child.setPressed(false); 369374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setPressed(false); 369431986b5b696c399b356c8819cb581441027bef36Adam Powell if (!mDataChanged && isAttachedToWindow()) { 369574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.run(); 369674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 369774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 369874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette }; 369974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette postDelayed(mTouchModeReset, 370074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette ViewConfiguration.getPressedStateDuration()); 370174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } else { 370274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_REST; 370374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette updateSelectorState(); 370474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 370574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette return; 370674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 370774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.run(); 37089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3710e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3711e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3712e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette updateSelectorState(); 3713e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette break; 3714e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_SCROLL: 3715e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int childCount = getChildCount(); 3716e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (childCount > 0) { 3717e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int firstChildTop = getChildAt(0).getTop(); 3718e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int lastChildBottom = getChildAt(childCount - 1).getBottom(); 3719e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int contentTop = mListPadding.top; 3720e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int contentBottom = getHeight() - mListPadding.bottom; 3721e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFirstPosition == 0 && firstChildTop >= contentTop && 3722e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFirstPosition + childCount < mItemCount && 3723e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette lastChildBottom <= getHeight() - contentBottom) { 3724e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3725e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3726e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 3727e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final VelocityTracker velocityTracker = mVelocityTracker; 3728e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3729e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3730e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int initialVelocity = (int) 3731e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette (velocityTracker.getYVelocity(mActivePointerId) * mVelocityScale); 3732e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Fling if we have enough velocity and we aren't at a boundary. 3733e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Since we can potentially overfling more than we can overscroll, don't 3734e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // allow the weird behavior where you can scroll to a boundary then 3735e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // fling further. 3736e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (Math.abs(initialVelocity) > mMinimumVelocity && 3737e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette !((mFirstPosition == 0 && 3738e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette firstChildTop == contentTop - mOverscrollDistance) || 3739e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette (mFirstPosition + childCount == mItemCount && 3740e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette lastChildBottom == contentBottom + mOverscrollDistance))) { 3741e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable == null) { 3742e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable = new FlingRunnable(); 3743e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3744e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 3745e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3746e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.start(-initialVelocity); 3747e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 37486198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mTouchMode = TOUCH_MODE_REST; 37496198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3750e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable != null) { 3751e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.endFling(); 3752e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3753e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mPositionScroller != null) { 3754e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPositionScroller.stop(); 37556198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 37569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3758e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 3759e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3760e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 37619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3762e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette break; 37639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3764e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_OVERSCROLL: 3765e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable == null) { 3766e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable = new FlingRunnable(); 3767637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3768e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final VelocityTracker velocityTracker = mVelocityTracker; 3769e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3770e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId); 3771637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3772e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 3773e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (Math.abs(initialVelocity) > mMinimumVelocity) { 3774e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.startOverfling(-initialVelocity); 3775e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 3776e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.startSpringback(); 37779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette break; 3780e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 37814e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3782e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette setPressed(false); 37839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3784e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mEdgeGlowTop != null) { 3785e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowTop.onRelease(); 3786e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowBottom.onRelease(); 37879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Need to redraw since we probably aren't drawing the selector anymore 3790e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette invalidate(); 379174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mPendingCheckForLongPress); 3792e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette recycleVelocityTracker(); 3793637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3794e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mActivePointerId = INVALID_POINTER; 3795637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3796e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (PROFILE_SCROLLING) { 3797e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mScrollProfilingStarted) { 3798e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette Debug.stopMethodTracing(); 3799e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mScrollProfilingStarted = false; 38009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3801e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 38024e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3803e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mScrollStrictSpan != null) { 3804e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mScrollStrictSpan.finish(); 3805e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mScrollStrictSpan = null; 38064cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 3807e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 38084e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3809e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchCancel() { 3810e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette switch (mTouchMode) { 3811e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_OVERSCROLL: 3812e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable == null) { 3813e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable = new FlingRunnable(); 38144cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 3815e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.startSpringback(); 38164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 38179bc30d31322848d61f518c1db43544988faaba8fAdam Powell 3818e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_OVERFLING: 3819e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Do nothing - let it play out. 38209bc30d31322848d61f518c1db43544988faaba8fAdam Powell break; 3821e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3822e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette default: 3823e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3824e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette setPressed(false); 382574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 3826e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (motionView != null) { 3827e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette motionView.setPressed(false); 3828e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3829e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette clearScrollingCache(); 383074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mPendingCheckForLongPress); 3831e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette recycleVelocityTracker(); 38329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3834e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mEdgeGlowTop != null) { 3835e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowTop.onRelease(); 3836e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowBottom.onRelease(); 3837e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3838e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mActivePointerId = INVALID_POINTER; 38399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38400a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 38419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 38420a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne protected void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) { 38430a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (mScrollY != scrollY) { 38440a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne onScrollChanged(mScrollX, scrollY, mScrollX, mScrollY); 38450a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne mScrollY = scrollY; 38460a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne invalidateParentIfNeeded(); 38470a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne 38480a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne awakenScrollBars(); 3849637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3850637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3851637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3852637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 385333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown public boolean onGenericMotionEvent(MotionEvent event) { 385433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) { 385533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown switch (event.getAction()) { 385633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_SCROLL: { 385733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (mTouchMode == TOUCH_MODE_REST) { 385833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final float vscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL); 385933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (vscroll != 0) { 386033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final int delta = (int) (vscroll * getVerticalScrollFactor()); 3861275d8238da4c19acefffdb701273de86c09d2472Jeff Brown if (!trackMotionScroll(delta, delta)) { 386233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return true; 386333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 386433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 386533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 386633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 386733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 386833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 386933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return super.onGenericMotionEvent(event); 387033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 387133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 387233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown @Override 38739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 38749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.draw(canvas); 3875637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3876637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3877637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 3878637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 387907d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int leftPadding = mListPadding.left + mGlowPaddingLeft; 388007d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int rightPadding = mListPadding.right + mGlowPaddingRight; 388107d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int width = getWidth() - leftPadding - rightPadding; 3882637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 38839d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy int edgeY = Math.min(0, scrollY + mFirstPositionDistanceGuess); 38849d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy canvas.translate(leftPadding, edgeY); 3885a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowTop.setSize(width, getHeight()); 3886637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop.draw(canvas)) { 38879d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mEdgeGlowTop.setPosition(leftPadding, edgeY); 3888a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowTop.getBounds(false)); 3889637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3890637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3891637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3892637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 3893637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 389407d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int leftPadding = mListPadding.left + mGlowPaddingLeft; 389507d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int rightPadding = mListPadding.right + mGlowPaddingRight; 389607d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int width = getWidth() - leftPadding - rightPadding; 3897637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int height = getHeight(); 3898637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 38999d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy int edgeX = -width + leftPadding; 39009d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy int edgeY = Math.max(height, scrollY + mLastPositionDistanceGuess); 39019d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy canvas.translate(edgeX, edgeY); 3902e1be66cdbce9f1bb6aa00bcfc32c1fe6a60e7574Mindy Pereira canvas.rotate(180, width, 0); 3903a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowBottom.setSize(width, height); 3904637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowBottom.draw(canvas)) { 39059d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy // Account for the rotation 3906a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy mEdgeGlowBottom.setPosition(edgeX + width, edgeY); 3907a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowBottom.getBounds(true)); 3908637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3909637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3910637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3911637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 39129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 391407d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell /** 391507d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell * @hide 391607d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell */ 391707d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell public void setOverScrollEffectPadding(int leftPadding, int rightPadding) { 391807d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell mGlowPaddingLeft = leftPadding; 391907d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell mGlowPaddingRight = rightPadding; 392007d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell } 392107d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell 392213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka private void initOrResetVelocityTracker() { 392313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (mVelocityTracker == null) { 392413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker = VelocityTracker.obtain(); 392513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } else { 392613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.clear(); 392713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 392813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 392913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 393013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka private void initVelocityTrackerIfNotExists() { 393113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (mVelocityTracker == null) { 393213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker = VelocityTracker.obtain(); 393313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 393413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 393513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 393613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka private void recycleVelocityTracker() { 393713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (mVelocityTracker != null) { 393813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.recycle(); 393913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker = null; 394013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 394113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 394213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 394313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka @Override 394413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { 394513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (disallowIntercept) { 394613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka recycleVelocityTracker(); 394713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 394813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka super.requestDisallowInterceptTouchEvent(disallowIntercept); 394913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 395013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 39519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3952a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette public boolean onInterceptHoverEvent(MotionEvent event) { 39538636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null && mFastScroll.onInterceptHoverEvent(event)) { 3954a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette return true; 3955a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette } 3956a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette 3957a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette return super.onInterceptHoverEvent(event); 3958a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette } 3959a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette 3960a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette @Override 39619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 39629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = ev.getAction(); 39639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 39640a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 39651fa179ef41c06bd19da70fd9bf95741238791940Adam Powell if (mPositionScroller != null) { 39661fa179ef41c06bd19da70fd9bf95741238791940Adam Powell mPositionScroller.stop(); 39671fa179ef41c06bd19da70fd9bf95741238791940Adam Powell } 39681fa179ef41c06bd19da70fd9bf95741238791940Adam Powell 396931986b5b696c399b356c8819cb581441027bef36Adam Powell if (!isAttachedToWindow()) { 397028048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Something isn't right. 397128048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Since we rely on being attached to get data set change notifications, 397228048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // don't risk doing anything where we might try to resync and find things 397328048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // in a bogus state. 397428048d011cb0887cd641977ca37e5f2fde04d191Adam Powell return false; 397528048d011cb0887cd641977ca37e5f2fde04d191Adam Powell } 397628048d011cb0887cd641977ca37e5f2fde04d191Adam Powell 39778636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null && mFastScroll.onInterceptTouchEvent(ev)) { 39780ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette return true; 39799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39800a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 39814cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 39829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 398379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int touchMode = mTouchMode; 3984637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERFLING || touchMode == TOUCH_MODE_OVERSCROLL) { 3985637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 3986637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return true; 3987637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 39884e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 39894cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = (int) ev.getX(); 39904cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(); 39914cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(0); 39924e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 39939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int motionPosition = findMotionRow(y); 399479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) { 39959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // User clicked on an actual view (and was not stopping a fling). 39969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember where the motion event started 39979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = getChildAt(motionPosition - mFirstPosition); 39989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionViewOriginalTop = v.getTop(); 39999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionX = x; 40009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionY = y; 40019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionPosition = motionPosition; 40029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DOWN; 40039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 40049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastY = Integer.MIN_VALUE; 400613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka initOrResetVelocityTracker(); 400713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.addMovement(ev); 400879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode == TOUCH_MODE_FLING) { 40094b4f40f84e72579417604143e5f42115769649b8Romain Guy return true; 40104b4f40f84e72579417604143e5f42115769649b8Romain Guy } 40119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 40159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 40169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 40172585e9bd6ded294e426607717ccc85a56bade594Justin Koh int pointerIndex = ev.findPointerIndex(mActivePointerId); 40182585e9bd6ded294e426607717ccc85a56bade594Justin Koh if (pointerIndex == -1) { 40192585e9bd6ded294e426607717ccc85a56bade594Justin Koh pointerIndex = 0; 40202585e9bd6ded294e426607717ccc85a56bade594Justin Koh mActivePointerId = ev.getPointerId(pointerIndex); 40212585e9bd6ded294e426607717ccc85a56bade594Justin Koh } 40224cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 402313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka initVelocityTrackerIfNotExists(); 402413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.addMovement(ev); 402578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (startScrollIfNeeded(y)) { 40269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 40279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 403313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka case MotionEvent.ACTION_CANCEL: 40349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 40359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 40364cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 403713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka recycleVelocityTracker(); 40389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 40399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40414e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 40424cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 40434cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 40444cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 40454cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 40469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 40499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40504e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 40514cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private void onSecondaryPointerUp(MotionEvent ev) { 40524cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 40534cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 40544cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerId = ev.getPointerId(pointerIndex); 40554cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (pointerId == mActivePointerId) { 40564cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // This was our active pointer going up. Choose a new 40574cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // active pointer and adjust accordingly. 40584cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // TODO: Make this decision more intelligent. 40594cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 40604cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionX = (int) ev.getX(newPointerIndex); 40614cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionY = (int) ev.getY(newPointerIndex); 4062637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 40634cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 40644cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 40654cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 40669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 40689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 40699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 40709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 40719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 40729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 40739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 40749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ListAdapter adapter = mAdapter; 40759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter == null) { 40779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 40789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 40819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 40829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter.isEnabled(firstPosition + i)) { 40839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 40849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 40869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 40909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fires an "on scroll state changed" event to the registered 40919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.AbsListView.OnScrollListener}, if any. The state change 40929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is fired only if the specified state is different from the previously known state. 40939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 40949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newState The new scroll state. 40959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 40969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reportScrollStateChange(int newState) { 40979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newState != mLastScrollState) { 40989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 40999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastScrollState = newState; 41000046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell mOnScrollListener.onScrollStateChanged(this, newState); 41019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Responsible for fling behavior. Use {@link #start(int)} to 41079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * initiate a fling. Each frame of the fling is handled in {@link #run()}. 41089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A FlingRunnable will keep re-posting itself until the fling is done. 41099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 41109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FlingRunnable implements Runnable { 41129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tracks the decay of a fling scroll 41149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4115637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private final OverScroller mScroller; 41169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value reported by mScroller on the previous fling 41199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastFlingY; 41219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4122d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private final Runnable mCheckFlywheel = new Runnable() { 41238fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 4124d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne public void run() { 4125d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final int activeId = mActivePointerId; 4126d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final VelocityTracker vt = mVelocityTracker; 4127637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 4128d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (vt == null || activeId == INVALID_POINTER) { 4129d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 4130d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4131d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4132d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne vt.computeCurrentVelocity(1000, mMaximumVelocity); 4133d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final float yvel = -vt.getYVelocity(activeId); 4134d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4135b0c71eb9f50ce06327fa6bb6219f0970e04fd856Jeff Brown if (Math.abs(yvel) >= mMinimumVelocity 4136b0c71eb9f50ce06327fa6bb6219f0970e04fd856Jeff Brown && scroller.isScrollingInDirection(0, yvel)) { 4137d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Keep the fling alive a little longer 4138d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(this, FLYWHEEL_TIMEOUT); 4139d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } else { 4140d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 4141d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mTouchMode = TOUCH_MODE_SCROLL; 4142b43d6a30ad1e7bf0e64192a1f144b3fe1bcf7f95Erik reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 4143d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4144d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4145d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne }; 4146d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4147d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private static final int FLYWHEEL_TIMEOUT = 40; // milliseconds 4148d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 414979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell FlingRunnable() { 4150637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller = new OverScroller(getContext()); 41519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 415379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell void start(int initialVelocity) { 41549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialY = initialVelocity < 0 ? Integer.MAX_VALUE : 0; 41559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastFlingY = initialY; 41560b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScroller.setInterpolator(null); 41579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScroller.fling(0, initialY, 0, initialVelocity, 41589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, Integer.MAX_VALUE, 0, Integer.MAX_VALUE); 41599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_FLING; 41601fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 41619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_FLINGING) { 41639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mFlingProfilingStarted) { 41649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewFling"); 41659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlingProfilingStarted = true; 41669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41681cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 41691cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan == null) { 41701cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = StrictMode.enterCriticalSpan("AbsListView-fling"); 41711cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 41729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4173458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4174637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startSpringback() { 4175637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScroller.springBack(0, mScrollY, 0, 0, 0, 0)) { 4176637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 4177637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 41781fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4179637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4180637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_REST; 4181e20a193754edec182fc0ea13f84a2a1e50add99fGilles Debunne reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 4182637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4183637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4184637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4185637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startOverfling(int initialVelocity) { 41860b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScroller.setInterpolator(null); 4187044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell mScroller.fling(0, mScrollY, 0, initialVelocity, 0, 0, 4188044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell Integer.MIN_VALUE, Integer.MAX_VALUE, 0, getHeight()); 4189637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 4190637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 41911fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4192637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4193637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4194637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void edgeReached(int delta) { 4195637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller.notifyVerticalEdgeReached(mScrollY, 0, mOverflingDistance); 4196637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 4197637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 4198637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits())) { 4199637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 4200637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int vel = (int) mScroller.getCurrVelocity(); 4201637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 4202637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onAbsorb(vel); 4203637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4204637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onAbsorb(vel); 4205637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 42064032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 42074032252c997be9f5d013054dc23ace855007b3a5Adam Powell mTouchMode = TOUCH_MODE_REST; 42084032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 42094032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 42104032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 4211637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4212637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 42131fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4214637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4215637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 42160b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell void startScroll(int distance, int duration, boolean linear) { 4217458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int initialY = distance < 0 ? Integer.MAX_VALUE : 0; 4218458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastFlingY = initialY; 42190b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScroller.setInterpolator(linear ? sLinearInterpolator : null); 4220458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScroller.startScroll(0, initialY, 0, distance, duration); 4221458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTouchMode = TOUCH_MODE_FLING; 42221fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4223458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4224458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4225d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void endFling() { 42269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 4227458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 422879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell removeCallbacks(this); 4229d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne removeCallbacks(mCheckFlywheel); 423021317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 423121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 423221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy clearScrollingCache(); 4233d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mScroller.abortAnimation(); 42345e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick 42355e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick if (mFlingStrictSpan != null) { 42365e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan.finish(); 42375e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan = null; 42385e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick } 4239d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4240d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4241d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void flywheelTouch() { 4242d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(mCheckFlywheel, FLYWHEEL_TIMEOUT); 42439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42458fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 42469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 424779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell switch (mTouchMode) { 424879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell default: 4249d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 42509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 42514e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4252d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne case TOUCH_MODE_SCROLL: 4253d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (mScroller.isFinished()) { 4254d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 4255d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4256d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Fall through 4257637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_FLING: { 42587f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey if (mDataChanged) { 42597f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey layoutChildren(); 42607f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey } 42617f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey 426279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (mItemCount == 0 || getChildCount() == 0) { 426379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell endFling(); 426479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell return; 426579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 42669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4267637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 4268637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell boolean more = scroller.computeScrollOffset(); 4269637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int y = scroller.getCurrY(); 42709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4271637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Flip sign to convert finger direction to list items direction 4272637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // (e.g. finger moving down means list is moving towards the top) 4273637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int delta = mLastFlingY - y; 42749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4275637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Pretend that each frame of a fling scroll is a touch scroll 4276637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 4277637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the top. Use first view as mMotionPosition 4278637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition; 4279637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View firstView = getChildAt(0); 4280637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = firstView.getTop(); 42819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4282637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 4283637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.min(getHeight() - mPaddingBottom - mPaddingTop - 1, delta); 4284637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4285637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the bottom. Use last view as mMotionPosition 4286637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int offsetToLast = getChildCount() - 1; 4287637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition + offsetToLast; 42889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View lastView = getChildAt(offsetToLast); 4290637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = lastView.getTop(); 4291d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4292637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 4293637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta); 4294637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4295d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4296637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check to see if we have bumped into the scroll limit 4297637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = getChildAt(mMotionPosition - mFirstPosition); 4298637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int oldTop = 0; 4299637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 4300637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell oldTop = motionView.getTop(); 4301637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4302637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4303637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't stop just because delta is zero (it could have been rounded) 43049d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy final boolean atEdge = trackMotionScroll(delta, delta); 43059d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy final boolean atEnd = atEdge && (delta != 0); 4306637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (atEnd) { 4307637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 4308637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Tweak the scroll for how far we overshot 4309637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int overshoot = -(delta - (motionView.getTop() - oldTop)); 4310637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, overshoot, 0, mScrollY, 0, 0, 4311637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false); 4312637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 43133cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell if (more) { 43143cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell edgeReached(delta); 43153cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell } 4316637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 4317637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4318637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4319637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (more && !atEnd) { 43209d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (atEdge) invalidate(); 4321637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastFlingY = y; 43221fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4323637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4324637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 4325637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4326637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (PROFILE_FLINGING) { 4327637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingProfilingStarted) { 4328637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell Debug.stopMethodTracing(); 4329637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingProfilingStarted = false; 4330637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4331d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4332637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingStrictSpan != null) { 4333637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan.finish(); 4334637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan = null; 4335637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 43369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4338637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 4339637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4340637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4341637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: { 4342637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 4343637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (scroller.computeScrollOffset()) { 4344637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 4345044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final int currY = scroller.getCurrY(); 4346044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final int deltaY = currY - scrollY; 4347637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overScrollBy(0, deltaY, 0, scrollY, 0, 0, 4348637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false)) { 4349044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final boolean crossDown = scrollY <= 0 && currY > 0; 4350044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final boolean crossUp = scrollY >= 0 && currY < 0; 4351044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell if (crossDown || crossUp) { 4352044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell int velocity = (int) scroller.getCurrVelocity(); 4353044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell if (crossUp) velocity = -velocity; 4354044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell 4355044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell // Don't flywheel from this; we're just continuing things. 4356044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell scroller.abortAnimation(); 4357044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell start(velocity); 4358044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell } else { 4359044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell startSpringback(); 4360044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell } 4361637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4362637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 43631fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4364637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4365637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4366637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 4367637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4368637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 4369637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 43709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43734e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4374458034799861fef47e00d85d528b4dac5e00bd51Adam Powell class PositionScroller implements Runnable { 4375e69370e16852c576890dd70733ad40669fd9367eAdam Powell private static final int SCROLL_DURATION = 200; 43764e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4377458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_POS = 1; 4378458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_POS = 2; 4379458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_BOUND = 3; 4380458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_BOUND = 4; 4381e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private static final int MOVE_OFFSET = 5; 43824e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4383458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mMode; 4384458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mTargetPos; 4385458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mBoundPos; 4386458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mLastSeenPos; 4387458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mScrollDuration; 438852964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne private final int mExtraScroll; 4389e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4390e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private int mOffsetFromTop; 43914e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4392458034799861fef47e00d85d528b4dac5e00bd51Adam Powell PositionScroller() { 4393458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mExtraScroll = ViewConfiguration.get(mContext).getScaledFadingEdgeLength(); 4394458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43954e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4396e69370e16852c576890dd70733ad40669fd9367eAdam Powell void start(final int position) { 43974032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 43984032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4399aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (mDataChanged) { 4400aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Wait until we're back in a stable state to try this. 4401161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = new Runnable() { 4402aadf4fb68e640c0622a1070206f69a7724328632Adam Powell @Override public void run() { 4403aadf4fb68e640c0622a1070206f69a7724328632Adam Powell start(position); 4404aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4405161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell }; 4406aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4407aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4408aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 4409e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int childCount = getChildCount(); 4410e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (childCount == 0) { 4411e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Can't scroll without children. 4412e69370e16852c576890dd70733ad40669fd9367eAdam Powell return; 4413e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4414e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4415458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 4416e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int lastPos = firstPos + childCount - 1; 44174e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 44184bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 44190061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase int clampedPosition = Math.max(0, Math.min(getCount() - 1, position)); 44200061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase if (clampedPosition < firstPos) { 44210061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = firstPos - clampedPosition + 1; 4422458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 44230061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase } else if (clampedPosition > lastPos) { 44240061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = clampedPosition - lastPos + 1; 4425458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 4426458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 44270061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase scrollToVisible(clampedPosition, INVALID_POSITION, SCROLL_DURATION); 4428458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4429458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 44304e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4431458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 4432458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 4433458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4434458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 4435458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 44360061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase mTargetPos = clampedPosition; 4437458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = INVALID_POSITION; 4438458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 44394e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 44401fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4441458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 44424e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4443e69370e16852c576890dd70733ad40669fd9367eAdam Powell void start(final int position, final int boundPosition) { 44444032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 44454032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4446458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosition == INVALID_POSITION) { 4447458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start(position); 4448458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4449458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 44504e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4451aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (mDataChanged) { 4452aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Wait until we're back in a stable state to try this. 4453161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = new Runnable() { 4454aadf4fb68e640c0622a1070206f69a7724328632Adam Powell @Override public void run() { 4455aadf4fb68e640c0622a1070206f69a7724328632Adam Powell start(position, boundPosition); 4456aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4457161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell }; 4458aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4459aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4460aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 4461e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int childCount = getChildCount(); 4462e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (childCount == 0) { 4463e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Can't scroll without children. 4464e69370e16852c576890dd70733ad40669fd9367eAdam Powell return; 4465e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4466e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4467458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 4468e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int lastPos = firstPos + childCount - 1; 44694e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 44704bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 44710061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase int clampedPosition = Math.max(0, Math.min(getCount() - 1, position)); 44720061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase if (clampedPosition < firstPos) { 4473458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromLast = lastPos - boundPosition; 4474458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromLast < 1) { 4475458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 4476458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4477458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 44784e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 44790061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase final int posTravel = firstPos - clampedPosition + 1; 4480458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromLast - 1; 4481458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 4482458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 4483458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_BOUND; 4484458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4485458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 4486458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 4487458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 44880061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase } else if (clampedPosition > lastPos) { 4489458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromFirst = boundPosition - firstPos; 4490458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromFirst < 1) { 4491458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 4492458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4493458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4494458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 44950061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase final int posTravel = clampedPosition - lastPos + 1; 4496458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromFirst - 1; 4497458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 4498458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 4499458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_BOUND; 4500458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4501458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 4502458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 4503458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4504458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 45050061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase scrollToVisible(clampedPosition, boundPosition, SCROLL_DURATION); 4506458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4507458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 45084e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4509458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 4510458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 4511458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4512458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 4513458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 45140061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase mTargetPos = clampedPosition; 4515458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = boundPosition; 4516458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 45174e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 45181fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4519458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4520e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4521e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell void startWithOffset(int position, int offset) { 4522322171b333a1c796fcc1428a96ea1d854a3881faErik startWithOffset(position, offset, SCROLL_DURATION); 4523322171b333a1c796fcc1428a96ea1d854a3881faErik } 4524322171b333a1c796fcc1428a96ea1d854a3881faErik 4525aadf4fb68e640c0622a1070206f69a7724328632Adam Powell void startWithOffset(final int position, int offset, final int duration) { 45264032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 45274032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4528aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (mDataChanged) { 4529aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Wait until we're back in a stable state to try this. 4530aadf4fb68e640c0622a1070206f69a7724328632Adam Powell final int postOffset = offset; 4531161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = new Runnable() { 4532aadf4fb68e640c0622a1070206f69a7724328632Adam Powell @Override public void run() { 4533aadf4fb68e640c0622a1070206f69a7724328632Adam Powell startWithOffset(position, postOffset, duration); 4534aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4535161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell }; 4536aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4537aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4538aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 4539aadf4fb68e640c0622a1070206f69a7724328632Adam Powell final int childCount = getChildCount(); 4540aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (childCount == 0) { 4541aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Can't scroll without children. 4542aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4543aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4544aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 45451fa179ef41c06bd19da70fd9bf95741238791940Adam Powell offset += getPaddingTop(); 45461fa179ef41c06bd19da70fd9bf95741238791940Adam Powell 45470061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase mTargetPos = Math.max(0, Math.min(getCount() - 1, position)); 4548e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mOffsetFromTop = offset; 4549e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mBoundPos = INVALID_POSITION; 4550e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mLastSeenPos = INVALID_POSITION; 4551e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mMode = MOVE_OFFSET; 4552e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4553e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int firstPos = mFirstPosition; 4554371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 4555e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 45564bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 45570061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase if (mTargetPos < firstPos) { 45580061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = firstPos - mTargetPos; 45590061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase } else if (mTargetPos > lastPos) { 45600061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = mTargetPos - lastPos; 4561e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 4562e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 45630061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase final int targetTop = getChildAt(mTargetPos - firstPos).getTop(); 45640b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(targetTop - offset, duration, true); 4565e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell return; 4566e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4567e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4568371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell // Estimate how many screens we should travel 45694ef1da3c04aed2fc7af7796a731f5cf00712ae02Daniel Lehmann final float screenTravelCount = (float) viewTravelCount / childCount; 45700b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScrollDuration = screenTravelCount < 1 ? 45710b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell duration : (int) (duration / screenTravelCount); 4572371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = INVALID_POSITION; 4573234a5715309ea74757780aff6123e3144efb5b69Adam Powell 45741fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4575e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4576e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4577e69370e16852c576890dd70733ad40669fd9367eAdam Powell /** 4578e69370e16852c576890dd70733ad40669fd9367eAdam Powell * Scroll such that targetPos is in the visible padded region without scrolling 4579e69370e16852c576890dd70733ad40669fd9367eAdam Powell * boundPos out of view. Assumes targetPos is onscreen. 4580e69370e16852c576890dd70733ad40669fd9367eAdam Powell */ 4581e69370e16852c576890dd70733ad40669fd9367eAdam Powell void scrollToVisible(int targetPos, int boundPos, int duration) { 4582e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int firstPos = mFirstPosition; 4583e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int childCount = getChildCount(); 4584e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int lastPos = firstPos + childCount - 1; 4585e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int paddedTop = mListPadding.top; 4586e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int paddedBottom = getHeight() - mListPadding.bottom; 4587e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4588e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (targetPos < firstPos || targetPos > lastPos) { 4589e69370e16852c576890dd70733ad40669fd9367eAdam Powell Log.w(TAG, "scrollToVisible called with targetPos " + targetPos + 4590e69370e16852c576890dd70733ad40669fd9367eAdam Powell " not visible [" + firstPos + ", " + lastPos + "]"); 4591e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4592e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (boundPos < firstPos || boundPos > lastPos) { 4593e69370e16852c576890dd70733ad40669fd9367eAdam Powell // boundPos doesn't matter, it's already offscreen. 4594e69370e16852c576890dd70733ad40669fd9367eAdam Powell boundPos = INVALID_POSITION; 4595e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4596e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4597e69370e16852c576890dd70733ad40669fd9367eAdam Powell final View targetChild = getChildAt(targetPos - firstPos); 4598e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int targetTop = targetChild.getTop(); 4599e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int targetBottom = targetChild.getBottom(); 4600e69370e16852c576890dd70733ad40669fd9367eAdam Powell int scrollBy = 0; 4601e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4602e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (targetBottom > paddedBottom) { 4603e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = targetBottom - paddedBottom; 4604e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4605e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (targetTop < paddedTop) { 4606e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = targetTop - paddedTop; 4607e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4608e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4609e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (scrollBy == 0) { 4610e69370e16852c576890dd70733ad40669fd9367eAdam Powell return; 4611e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4612e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4613e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (boundPos >= 0) { 4614e69370e16852c576890dd70733ad40669fd9367eAdam Powell final View boundChild = getChildAt(boundPos - firstPos); 4615e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int boundTop = boundChild.getTop(); 4616e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int boundBottom = boundChild.getBottom(); 4617e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int absScroll = Math.abs(scrollBy); 4618e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4619e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (scrollBy < 0 && boundBottom + absScroll > paddedBottom) { 4620e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Don't scroll the bound view off the bottom of the screen. 4621e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = Math.max(0, boundBottom - paddedBottom); 4622e69370e16852c576890dd70733ad40669fd9367eAdam Powell } else if (scrollBy > 0 && boundTop - absScroll < paddedTop) { 4623e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Don't scroll the bound view off the top of the screen. 4624e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = Math.min(0, boundTop - paddedTop); 4625e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4626e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4627e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4628e69370e16852c576890dd70733ad40669fd9367eAdam Powell smoothScrollBy(scrollBy, duration); 4629e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4630e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4631458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void stop() { 4632458034799861fef47e00d85d528b4dac5e00bd51Adam Powell removeCallbacks(this); 4633458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4634e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 46358fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 4636458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void run() { 4637458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int listHeight = getHeight(); 4638458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 46394e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4640458034799861fef47e00d85d528b4dac5e00bd51Adam Powell switch (mMode) { 4641458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_POS: { 4642458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 1; 4643458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 46444e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 46450b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (lastViewIndex < 0) { 46460b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 46470b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 4648458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4649458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 4650458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 46511fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4652458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4653458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4654458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4655458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 4656458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 4657458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 4658458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 46591fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = lastPos < mItemCount - 1 ? 46601fa179ef41c06bd19da70fd9bf95741238791940Adam Powell Math.max(mListPadding.bottom, mExtraScroll) : mListPadding.bottom; 4661458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 46621fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int scrollBy = lastViewHeight - lastViewPixelsShowing + extraScroll; 46630b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(scrollBy, mScrollDuration, true); 4664458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4665458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 46667e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos < mTargetPos) { 46671fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4668458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4669458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4670458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 46714e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4672458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_BOUND: { 4673458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewIndex = 1; 4674029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int childCount = getChildCount(); 46754e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4676029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (firstPos == mBoundPos || childCount <= nextViewIndex 4677029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell || firstPos + childCount >= mItemCount) { 4678458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4679458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4680458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextPos = firstPos + nextViewIndex; 4681458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4682458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (nextPos == mLastSeenPos) { 4683458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 46841fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4685458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4686458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4687458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4688458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View nextView = getChildAt(nextViewIndex); 4689458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewHeight = nextView.getHeight(); 4690458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewTop = nextView.getTop(); 46911fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = Math.max(mListPadding.bottom, mExtraScroll); 46927e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (nextPos < mBoundPos) { 4693458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(Math.max(0, nextViewHeight + nextViewTop - extraScroll), 46940b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScrollDuration, true); 4695458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4696458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = nextPos; 4697458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 46981fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4699458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 47004e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira if (nextViewTop > extraScroll) { 47010b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(nextViewTop - extraScroll, mScrollDuration, true); 4702458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4703458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4704458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4705458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 47064e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4707458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_POS: { 4708458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (firstPos == mLastSeenPos) { 4709458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 47101fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4711458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4712458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4713458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4714458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View firstView = getChildAt(0); 47150b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (firstView == null) { 47160b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 47170b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 4718458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstViewTop = firstView.getTop(); 47191fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = firstPos > 0 ? 47201fa179ef41c06bd19da70fd9bf95741238791940Adam Powell Math.max(mExtraScroll, mListPadding.top) : mListPadding.top; 4721458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 47220b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(firstViewTop - extraScroll, mScrollDuration, true); 4723458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4724458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = firstPos; 4725458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 47267e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (firstPos > mTargetPos) { 47271fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4728458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4729458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4730458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 47314e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4732458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_BOUND: { 4733458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 2; 4734458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastViewIndex < 0) { 4735458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4736458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4737458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 4738458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4739458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 4740458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 47410b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell postOnAnimation(this); 4742458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4743458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4744458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4745458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 4746458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 4747458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 4748458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 47491fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = Math.max(mListPadding.top, mExtraScroll); 4750458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 47517e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos > mBoundPos) { 47520b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(-(lastViewPixelsShowing - extraScroll), mScrollDuration, true); 47531fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4754458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 47551fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int bottom = listHeight - extraScroll; 4756458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewBottom = lastViewTop + lastViewHeight; 4757458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (bottom > lastViewBottom) { 47580b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(-(bottom - lastViewBottom), mScrollDuration, true); 4759458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4760458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4761458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4762458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4763458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4764e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell case MOVE_OFFSET: { 4765234a5715309ea74757780aff6123e3144efb5b69Adam Powell if (mLastSeenPos == firstPos) { 4766234a5715309ea74757780aff6123e3144efb5b69Adam Powell // No new views, let things keep going. 47670b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell postOnAnimation(this); 4768234a5715309ea74757780aff6123e3144efb5b69Adam Powell return; 4769234a5715309ea74757780aff6123e3144efb5b69Adam Powell } 4770e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4771371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = firstPos; 4772234a5715309ea74757780aff6123e3144efb5b69Adam Powell 4773234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int childCount = getChildCount(); 4774e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int position = mTargetPos; 4775371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 4776e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 47774032252c997be9f5d013054dc23ace855007b3a5Adam Powell int viewTravelCount = 0; 4778e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 47794032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = firstPos - position + 1; 47804032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else if (position > lastPos) { 47814032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = position - lastPos; 47824032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 47834032252c997be9f5d013054dc23ace855007b3a5Adam Powell 47844032252c997be9f5d013054dc23ace855007b3a5Adam Powell // Estimate how many screens we should travel 47854032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float screenTravelCount = (float) viewTravelCount / childCount; 47864032252c997be9f5d013054dc23ace855007b3a5Adam Powell 47874032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float modifier = Math.min(Math.abs(screenTravelCount), 1.f); 47884032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (position < firstPos) { 47890b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int distance = (int) (-getHeight() * modifier); 47900b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int duration = (int) (mScrollDuration * modifier); 47910b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, true); 47921fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4793e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 47940b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int distance = (int) (getHeight() * modifier); 47950b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int duration = (int) (mScrollDuration * modifier); 47960b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, true); 47971fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4798e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 4799e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 4800e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 4801234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int distance = targetTop - mOffsetFromTop; 48020b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int duration = (int) (mScrollDuration * 48030b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell ((float) Math.abs(distance) / getHeight())); 48040b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, true); 4805e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4806e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell break; 4807e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4808e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4809458034799861fef47e00d85d528b4dac5e00bd51Adam Powell default: 4810458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4811458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4812458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4813458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 48144e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4815458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 48164bede9e425875542976a422222510fa4056a8339Romain Guy * The amount of friction applied to flings. The default value 48174bede9e425875542976a422222510fa4056a8339Romain Guy * is {@link ViewConfiguration#getScrollFriction}. 48184bede9e425875542976a422222510fa4056a8339Romain Guy */ 48194bede9e425875542976a422222510fa4056a8339Romain Guy public void setFriction(float friction) { 48204bede9e425875542976a422222510fa4056a8339Romain Guy if (mFlingRunnable == null) { 48214bede9e425875542976a422222510fa4056a8339Romain Guy mFlingRunnable = new FlingRunnable(); 48224bede9e425875542976a422222510fa4056a8339Romain Guy } 48234e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mFlingRunnable.mScroller.setFriction(friction); 48244bede9e425875542976a422222510fa4056a8339Romain Guy } 482521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 482621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy /** 482721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * Sets a scale factor for the fling velocity. The initial scale 482821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * factor is 1.0. 48294e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 483021317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * @param scale The scale factor to multiply the velocity by. 483121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy */ 483221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy public void setVelocityScale(float scale) { 483321317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy mVelocityScale = scale; 483421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy } 48354e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 48364bede9e425875542976a422222510fa4056a8339Romain Guy /** 4837458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4838458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed. 4839458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4840458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4841458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position) { 4842458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 484356032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell mPositionScroller = new PositionScroller(); 4844458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4845458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position); 4846458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4847322171b333a1c796fcc1428a96ea1d854a3881faErik 4848322171b333a1c796fcc1428a96ea1d854a3881faErik /** 4849322171b333a1c796fcc1428a96ea1d854a3881faErik * Smoothly scroll to the specified adapter position. The view will scroll 485056032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell * such that the indicated position is displayed <code>offset</code> pixels from 4851322171b333a1c796fcc1428a96ea1d854a3881faErik * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4852322171b333a1c796fcc1428a96ea1d854a3881faErik * the first or last item beyond the boundaries of the list) it will get as close 4853322171b333a1c796fcc1428a96ea1d854a3881faErik * as possible. The scroll will take <code>duration</code> milliseconds to complete. 4854322171b333a1c796fcc1428a96ea1d854a3881faErik * 4855322171b333a1c796fcc1428a96ea1d854a3881faErik * @param position Position to scroll to 4856322171b333a1c796fcc1428a96ea1d854a3881faErik * @param offset Desired distance in pixels of <code>position</code> from the top 4857322171b333a1c796fcc1428a96ea1d854a3881faErik * of the view when scrolling is finished 4858322171b333a1c796fcc1428a96ea1d854a3881faErik * @param duration Number of milliseconds to use for the scroll 4859322171b333a1c796fcc1428a96ea1d854a3881faErik */ 4860322171b333a1c796fcc1428a96ea1d854a3881faErik public void smoothScrollToPositionFromTop(int position, int offset, int duration) { 4861322171b333a1c796fcc1428a96ea1d854a3881faErik if (mPositionScroller == null) { 486256032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell mPositionScroller = new PositionScroller(); 4863322171b333a1c796fcc1428a96ea1d854a3881faErik } 4864322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller.startWithOffset(position, offset, duration); 4865322171b333a1c796fcc1428a96ea1d854a3881faErik } 4866322171b333a1c796fcc1428a96ea1d854a3881faErik 4867458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4868e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * Smoothly scroll to the specified adapter position. The view will scroll 486956032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell * such that the indicated position is displayed <code>offset</code> pixels from 4870e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4871e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the first or last item beyond the boundaries of the list) it will get as close 4872e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * as possible. 4873e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * 4874e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param position Position to scroll to 4875e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param offset Desired distance in pixels of <code>position</code> from the top 4876e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * of the view when scrolling is finished 4877e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell */ 4878e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell public void smoothScrollToPositionFromTop(int position, int offset) { 4879e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (mPositionScroller == null) { 488056032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell mPositionScroller = new PositionScroller(); 4881e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 488256032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell mPositionScroller.startWithOffset(position, offset); 4883e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4884e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4885e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell /** 4886458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4887458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed, but it will 4888458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * stop early if scrolling further would scroll boundPosition out of 48894e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * view. 4890458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4891458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param boundPosition Do not scroll if it would move this adapter 4892458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * position out of view. 4893458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4894458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position, int boundPosition) { 4895458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 489656032a37df89511c8d3b3b3c79818e2c86dedb92Adam Powell mPositionScroller = new PositionScroller(); 4897458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4898458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position, boundPosition); 4899458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 49004e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4901458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4902458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll by distance pixels over duration milliseconds. 4903458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param distance Distance to scroll in pixels. 4904458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param duration Duration of the scroll animation in milliseconds. 4905458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4906458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollBy(int distance, int duration) { 49070b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, false); 49080b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell } 49090b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell 49100b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell void smoothScrollBy(int distance, int duration, boolean linear) { 4911458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mFlingRunnable == null) { 4912458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFlingRunnable = new FlingRunnable(); 4913458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 49144032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4915299acb581205b6574bfa91824b1b887e265c4c40Marc Blank // No sense starting to scroll if we're not going anywhere 49164032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int firstPos = mFirstPosition; 49174032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int childCount = getChildCount(); 49184032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int lastPos = firstPos + childCount; 49194032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int topLimit = getPaddingTop(); 49204032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int bottomLimit = getHeight() - getPaddingBottom(); 49214032252c997be9f5d013054dc23ace855007b3a5Adam Powell 492279303750df0e4d18f51f64c7ef3ca21fca893bbbAdam Powell if (distance == 0 || mItemCount == 0 || childCount == 0 || 49234032252c997be9f5d013054dc23ace855007b3a5Adam Powell (firstPos == 0 && getChildAt(0).getTop() == topLimit && distance < 0) || 4924aadf4fb68e640c0622a1070206f69a7724328632Adam Powell (lastPos == mItemCount && 49254032252c997be9f5d013054dc23ace855007b3a5Adam Powell getChildAt(childCount - 1).getBottom() == bottomLimit && distance > 0)) { 49264032252c997be9f5d013054dc23ace855007b3a5Adam Powell mFlingRunnable.endFling(); 49274032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 49284032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 49294032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 49304032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 49310046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 49320b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mFlingRunnable.startScroll(distance, duration, linear); 4933299acb581205b6574bfa91824b1b887e265c4c40Marc Blank } 4934458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 49359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4936499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 4937499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Allows RemoteViews to scroll relatively to a position. 4938499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4939499cb9f516062b654952d282f211bee44c31a3c2Winson Chung void smoothScrollByOffset(int position) { 4940499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int index = -1; 4941499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (position < 0) { 4942499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getFirstVisiblePosition(); 4943499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if (position > 0) { 4944499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getLastVisiblePosition(); 4945499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4946499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4947499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (index > -1) { 4948499cb9f516062b654952d282f211bee44c31a3c2Winson Chung View child = getChildAt(index - getFirstVisiblePosition()); 4949499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child != null) { 4950499cb9f516062b654952d282f211bee44c31a3c2Winson Chung Rect visibleRect = new Rect(); 4951499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child.getGlobalVisibleRect(visibleRect)) { 4952499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the child is partially visible 4953499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int childRectArea = child.getWidth() * child.getHeight(); 4954499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int visibleRectArea = visibleRect.width() * visibleRect.height(); 4955499cb9f516062b654952d282f211bee44c31a3c2Winson Chung float visibleArea = (visibleRectArea / (float) childRectArea); 4956499cb9f516062b654952d282f211bee44c31a3c2Winson Chung final float visibleThreshold = 0.75f; 4957499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if ((position < 0) && (visibleArea < visibleThreshold)) { 4958499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the top index is not perceivably visible so offset 4959499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that top index as well 4960499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ++index; 4961499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if ((position > 0) && (visibleArea < visibleThreshold)) { 4962499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the bottom index is not perceivably visible so offset 4963499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that bottom index as well 4964499cb9f516062b654952d282f211bee44c31a3c2Winson Chung --index; 4965499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4966499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4967499cb9f516062b654952d282f211bee44c31a3c2Winson Chung smoothScrollToPosition(Math.max(0, Math.min(getCount(), index + position))); 4968499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4969499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4970499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4971499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 49729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createScrollingCache() { 49739d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mScrollingCacheEnabled && !mCachingStarted && !isHardwareAccelerated()) { 49749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawnWithCacheEnabled(true); 49759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(true); 49760211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy mCachingStarted = mCachingActive = true; 49779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void clearScrollingCache() { 49819d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (!isHardwareAccelerated()) { 49829d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mClearScrollingCache == null) { 49839d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mClearScrollingCache = new Runnable() { 49848fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 49859d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy public void run() { 49869d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mCachingStarted) { 49879d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mCachingStarted = mCachingActive = false; 49889d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy setChildrenDrawnWithCacheEnabled(false); 49899d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if ((mPersistentDrawingCache & PERSISTENT_SCROLLING_CACHE) == 0) { 49909d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy setChildrenDrawingCacheEnabled(false); 49919d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 49929d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (!isAlwaysDrawnWithCacheEnabled()) { 49939d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy invalidate(); 49949d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 49956dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 49966dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 49979d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy }; 49989d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 49999d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy post(mClearScrollingCache); 50009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50042f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * Scrolls the list items within the view by a specified number of pixels. 50052f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * 50062f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * @param y the amount of pixels to scroll by vertically 5007ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * @see #canScrollList(int) 50082f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette */ 5009ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette public void scrollListBy(int y) { 5010ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette trackMotionScroll(-y, -y); 5011ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette } 5012ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette 5013ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette /** 5014ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * Check if the items in the list can be scrolled in a certain direction. 5015ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * 5016ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * @param direction Negative to check scrolling up, positive to check 5017ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * scrolling down. 5018ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * @return true if the list can be scrolled in the specified direction, 5019ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * false otherwise. 5020ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette * @see #scrollListBy(int) 5021ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette */ 5022ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette public boolean canScrollList(int direction) { 5023ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette final int childCount = getChildCount(); 5024ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette if (childCount == 0) { 5025ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette return false; 5026ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette } 5027ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette 5028ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette final int firstPosition = mFirstPosition; 5029ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette final Rect listPadding = mListPadding; 5030ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette if (direction > 0) { 5031ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette final int lastBottom = getChildAt(childCount - 1).getBottom(); 5032ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette final int lastPosition = firstPosition + childCount; 5033ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette return lastPosition < mItemCount || lastBottom > getHeight() - listPadding.bottom; 5034ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette } else { 5035ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette final int firstTop = getChildAt(0).getTop(); 5036ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette return firstPosition > 0 || firstTop < listPadding.top; 5037ba299063348e8396c1ce63c8fcbf9ee69c5be266Alan Viverette } 50382f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette } 50392f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette 50402f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette /** 50419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Track a motion scroll 50429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 50439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deltaY Amount to offset mMotionView. This is the accumulated delta since the motion 50449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * began. Positive numbers mean the user's finger is moving down the screen. 50459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param incrementalDeltaY Change in deltaY from the previous event. 5046458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @return true if we're already at the beginning/end of the list and have nothing to do. 50479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5048458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean trackMotionScroll(int deltaY, int incrementalDeltaY) { 50499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 50509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount == 0) { 5051458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 50529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstTop = getChildAt(0).getTop(); 50559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int lastBottom = getChildAt(childCount - 1).getBottom(); 50569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 50589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // "effective padding" In this case is the amount of padding that affects 5060bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // how much space should not be filled by items. If we don't clip to padding 5061bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // there is no effective padding. 5062bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingTop = 0; 5063bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingBottom = 0; 5064bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 5065bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingTop = listPadding.top; 5066bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingBottom = listPadding.bottom; 5067bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell } 5068bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell 50699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME account for grid vertical spacing too? 5070bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int spaceAbove = effectivePaddingTop - firstTop; 5071bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int end = getHeight() - effectivePaddingBottom; 50729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int spaceBelow = lastBottom - end; 50739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight() - mPaddingBottom - mPaddingTop; 50759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (deltaY < 0) { 50769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.max(-(height - 1), deltaY); 50779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.min(height - 1, deltaY); 50799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (incrementalDeltaY < 0) { 50829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.max(-(height - 1), incrementalDeltaY); 50839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.min(height - 1, incrementalDeltaY); 50859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5087458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPosition = mFirstPosition; 50889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Update our guesses for where the first and last views are 5090637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition == 0) { 5091bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mFirstPositionDistanceGuess = firstTop - listPadding.top; 5092637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 5093637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFirstPositionDistanceGuess += incrementalDeltaY; 5094637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5095637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition + childCount == mItemCount) { 5096bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mLastPositionDistanceGuess = lastBottom + listPadding.bottom; 5097637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 5098637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastPositionDistanceGuess += incrementalDeltaY; 5099637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5100637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 51010a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne final boolean cannotScrollDown = (firstPosition == 0 && 51020a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne firstTop >= listPadding.top && incrementalDeltaY >= 0); 51030a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne final boolean cannotScrollUp = (firstPosition + childCount == mItemCount && 51040a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne lastBottom <= getHeight() - listPadding.bottom && incrementalDeltaY <= 0); 51059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51060a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (cannotScrollDown || cannotScrollUp) { 5107637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return incrementalDeltaY != 0; 5108458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 51099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5110458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final boolean down = incrementalDeltaY < 0; 51119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5112029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final boolean inTouchMode = isInTouchMode(); 5113029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (inTouchMode) { 5114029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell hideSelector(); 5115029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 51169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5117458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int headerViewsCount = getHeaderViewsCount(); 5118458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int footerViewsStart = mItemCount - getFooterViewsCount(); 51199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5120458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int start = 0; 5121458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int count = 0; 51229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5123458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 51248c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int top = -incrementalDeltaY; 51258c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 51268c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell top += listPadding.top; 51278c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 5128458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = 0; i < childCount; i++) { 5129458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 5130458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getBottom() >= top) { 5131458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 5132458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 5133458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 5134458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 5135458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 51361e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // The view will be rebound to new data, clear any 51371e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // system-managed transient state. 51381e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette if (child.isAccessibilityFocused()) { 51391e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette child.clearAccessibilityFocus(); 51401e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette } 5141079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 51429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5144458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 5145458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 51468c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int bottom = getHeight() - incrementalDeltaY; 51478c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 51488c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell bottom -= listPadding.bottom; 51498c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 5150458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = childCount - 1; i >= 0; i--) { 5151458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 5152458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getTop() <= bottom) { 5153458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 5154458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 5155458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start = i; 5156458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 5157458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 5158458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 51591e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // The view will be rebound to new data, clear any 51601e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // system-managed transient state. 51611e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette if (child.isAccessibilityFocused()) { 51621e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette child.clearAccessibilityFocus(); 51631e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette } 5164079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 51659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5168458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 5169458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 5170458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMotionViewNewTop = mMotionViewOriginalTop + deltaY; 51719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5172458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = true; 51739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5174458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (count > 0) { 51759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project detachViewsFromParent(start, count); 5176539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mRecycler.removeSkippedScrap(); 5177458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 5178539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 51799d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy // invalidate before moving the children to avoid unnecessary invalidate 51809d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy // calls to bubble up from the children all the way to the top 51819d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (!awakenScrollBars()) { 51821fa179ef41c06bd19da70fd9bf95741238791940Adam Powell invalidate(); 51839d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 51849d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy 5185458034799861fef47e00d85d528b4dac5e00bd51Adam Powell offsetChildrenTopAndBottom(incrementalDeltaY); 51869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5187458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 5188458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFirstPosition += count; 5189458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 51904e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5191458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int absIncrementalDeltaY = Math.abs(incrementalDeltaY); 5192458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (spaceAbove < absIncrementalDeltaY || spaceBelow < absIncrementalDeltaY) { 5193458034799861fef47e00d85d528b4dac5e00bd51Adam Powell fillGap(down); 51949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5195458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 5196029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (!inTouchMode && mSelectedPosition != INVALID_POSITION) { 51972a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell final int childIndex = mSelectedPosition - mFirstPosition; 51982a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell if (childIndex >= 0 && childIndex < getChildCount()) { 5199079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mSelectedPosition, getChildAt(childIndex)); 5200079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5201079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else if (mSelectorPosition != INVALID_POSITION) { 5202079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final int childIndex = mSelectorPosition - mFirstPosition; 5203079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (childIndex >= 0 && childIndex < getChildCount()) { 5204079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(INVALID_POSITION, getChildAt(childIndex)); 52052a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell } 5206079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 5207079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorRect.setEmpty(); 5208029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 5209029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 5210458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = false; 5211458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 5212458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invokeOnItemScrollListener(); 52134e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5214458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return false; 52159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of header views in the list. Header views are special views 52199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the top of the list that should not be recycled during a layout. 52209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 52219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of header views, 0 in the default implementation. 52229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getHeaderViewsCount() { 52249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 52259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of footer views in the list. Footer views are special views 52299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the bottom of the list that should not be recycled during a layout. 52309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 52319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of footer views, 0 in the default implementation. 52329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getFooterViewsCount() { 52349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 52359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the gap left open by a touch-scroll. During a touch scroll, children that 52399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remain on screen are shifted and the other ones are discarded. The role of this 52409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method is to fill the gap thus created by performing a partial layout in the 52419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * empty space. 52429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 52439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param down true if the scroll is going down, false if it is going up 52449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void fillGap(boolean down); 52469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void hideSelector() { 52489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition != INVALID_POSITION) { 5249ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell if (mLayoutMode != LAYOUT_SPECIFIC) { 5250ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell mResurrectToPosition = mSelectedPosition; 5251ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell } 52529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNextSelectedPosition >= 0 && mNextSelectedPosition != mSelectedPosition) { 52539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mNextSelectedPosition; 52549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 52569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 52579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 52589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A position to select. First we try mSelectedPosition. If that has been clobbered by 52639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * entering touch mode, we then try mResurrectToPosition. Values are pinned to the range 52649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of items available in the adapter 52659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int reconcileSelectedPosition() { 52679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = mSelectedPosition; 52689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position < 0) { 52699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = mResurrectToPosition; 52709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.max(0, position); 52729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.min(position, mItemCount - 1); 52739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 52749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the row closest to y. This row will be used as the motion row when scrolling 52789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 52799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Where the user touched 52804cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * @return The position of the first (or only) item in the row containing y 52819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract int findMotionRow(int y); 52839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5285637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Find the row closest to y. This row will be used as the motion row when scrolling. 5286637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * 5287637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @param y Where the user touched 5288637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return The position of the first (or only) item in the row closest to y 5289637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 5290637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int findClosestMotionRow(int y) { 5291637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 5292637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (childCount == 0) { 5293637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return INVALID_POSITION; 5294637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5295637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 5296637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionRow = findMotionRow(y); 5297637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return motionRow != INVALID_POSITION ? motionRow : mFirstPosition + childCount - 1; 5298637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5299637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 5300637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 53019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Causes all the views to be rebuilt and redrawn. 53029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateViews() { 53049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 53059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 53069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 53079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 53089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53098fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette 53104e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown /** 53118d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * If there is a selection returns false. 53128d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * Otherwise resurrects the selection and returns true if resurrected. 53134e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown */ 53148d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown boolean resurrectSelectionIfNeeded() { 5315becb0be2bb769e819774d32d6f9e4f6b31668157Adam Powell if (mSelectedPosition < 0 && resurrectSelection()) { 5316becb0be2bb769e819774d32d6f9e4f6b31668157Adam Powell updateSelectorState(); 5317becb0be2bb769e819774d32d6f9e4f6b31668157Adam Powell return true; 53184e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 53198d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown return false; 53204e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 53219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 53239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the item at the supplied position selected. 53249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 53259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position the position of the new selection 53269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void setSelectionInt(int position); 53289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 53309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempt to bring the selection back if the user is switching from touch 53319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to trackball mode 53329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether selection was set to something. 53339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resurrectSelection() { 53359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 53369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount <= 0) { 53389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 53399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedTop = 0; 53429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedPos; 53439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenTop = mListPadding.top; 53449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenBottom = mBottom - mTop - mListPadding.bottom; 53459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 53469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int toPosition = mResurrectToPosition; 53479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean down = true; 53489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition >= firstPosition && toPosition < firstPosition + childCount) { 53509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = toPosition; 53519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View selected = getChildAt(selectedPos - mFirstPosition); 53539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = selected.getTop(); 53549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedBottom = selected.getBottom(); 53559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are scrolled, don't get in the fade 53579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedTop < childrenTop) { 53589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenTop + getVerticalFadingEdgeLength(); 53599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (selectedBottom > childrenBottom) { 53609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenBottom - selected.getMeasuredHeight() 53619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project - getVerticalFadingEdgeLength(); 53629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 53649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition < firstPosition) { 53659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default to selecting whatever is first 53669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition; 53679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 53689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 53699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 53709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 53729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the position of the first item 53739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 53749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we are scrolled at all 53759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition > 0 || top < childrenTop) { 53769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are scrolled, don't select anything that is 53779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the fade region 53789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenTop += getVerticalFadingEdgeLength(); 53799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (top >= childrenTop) { 53829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found a view whose top is fully visisble 53839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 53849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 53859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 53869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 53899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int itemCount = mItemCount; 53909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project down = false; 53919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + childCount - 1; 53929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childCount - 1; i >= 0; i--) { 53949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 53959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 53969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = v.getBottom(); 53979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == childCount - 1) { 53999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 54009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition + childCount < itemCount || bottom > childrenBottom) { 54019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenBottom -= getVerticalFadingEdgeLength(); 54029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bottom <= childrenBottom) { 54069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 54079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 54089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 54099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 54159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCallbacks(mFlingRunnable); 54164032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 54174032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 54184032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 54199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 54209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 54219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = selectedTop; 54229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = lookForSelectablePosition(selectedPos, down); 54239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedPos >= firstPosition && selectedPos <= getLastVisiblePosition()) { 54249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SPECIFIC; 54253c7b96a3466d05ad9979e86f44eb61a12ef67da3Justin Koh updateSelectorState(); 54269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectionInt(selectedPos); 54279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 54289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 54299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = INVALID_POSITION; 54309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 54329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return selectedPos >= 0; 54349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 543614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell void confirmCheckedPositionsById() { 543714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell // Clear out the positional check states, we'll rebuild it below from IDs. 543814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckStates.clear(); 543914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 544014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell boolean checkedCountChanged = false; 544114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell for (int checkedIndex = 0; checkedIndex < mCheckedIdStates.size(); checkedIndex++) { 544214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final long id = mCheckedIdStates.keyAt(checkedIndex); 544314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final int lastPos = mCheckedIdStates.valueAt(checkedIndex); 544414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 544514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final long lastPosId = mAdapter.getItemId(lastPos); 544614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (id != lastPosId) { 544714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell // Look around to see if the ID is nearby. If not, uncheck it. 544814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final int start = Math.max(0, lastPos - CHECK_POSITION_SEARCH_DISTANCE); 544914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final int end = Math.min(lastPos + CHECK_POSITION_SEARCH_DISTANCE, mItemCount); 545014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell boolean found = false; 545114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell for (int searchPos = start; searchPos < end; searchPos++) { 545214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final long searchId = mAdapter.getItemId(searchPos); 545314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (id == searchId) { 545414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell found = true; 545514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckStates.put(searchPos, true); 545614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.setValueAt(checkedIndex, searchPos); 545714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell break; 545814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 545914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 546014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 546114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (!found) { 546214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.delete(id); 546314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell checkedIndex--; 546414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedItemCount--; 546514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell checkedCountChanged = true; 546614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (mChoiceActionMode != null && mMultiChoiceModeCallback != null) { 546714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 546814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell lastPos, id, false); 546914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 547014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 547114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } else { 547214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckStates.put(lastPos, true); 547314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 547414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 547514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 547614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (checkedCountChanged && mChoiceActionMode != null) { 547714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mChoiceActionMode.invalidate(); 547814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 547914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 548014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 54819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 54829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void handleDataChanged() { 54839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mItemCount; 5484ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell int lastHandledItemCount = mLastHandledItemCount; 5485ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell mLastHandledItemCount = mItemCount; 54869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 548714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapter != null && mAdapter.hasStableIds()) { 548814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell confirmCheckedPositionsById(); 548914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 54909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5491539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell // TODO: In the future we can recycle these views based on stable ID instead. 5492539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mRecycler.clearTransientStateViews(); 5493539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 549414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (count > 0) { 549514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell int newPos; 54969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectablePos; 54979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find the row we are supposed to sync to 54999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNeedSync) { 55009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update this first, since setNextSelectedPositionInt inspects it 55019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 5502e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = null; 55039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55040785279dad89d90564f42beb2c4620bf387a966eAdam Powell if (mTranscriptMode == TRANSCRIPT_MODE_ALWAYS_SCROLL) { 55059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_FORCE_BOTTOM; 55069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5507da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } else if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 5508da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mForceTranscriptScroll) { 5509da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mForceTranscriptScroll = false; 5510da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 5511da13dbae6fe0619101433ac861da460b8be63a36Adam Powell return; 5512da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 55130785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int childCount = getChildCount(); 5514ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell final int listBottom = getHeight() - getPaddingBottom(); 55150785279dad89d90564f42beb2c4620bf387a966eAdam Powell final View lastChild = getChildAt(childCount - 1); 55160785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 5517ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell if (mFirstPosition + childCount >= lastHandledItemCount && 5518ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell lastBottom <= listBottom) { 55190785279dad89d90564f42beb2c4620bf387a966eAdam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 55200785279dad89d90564f42beb2c4620bf387a966eAdam Powell return; 55210785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 55220785279dad89d90564f42beb2c4620bf387a966eAdam Powell // Something new came in and we didn't scroll; give the user a clue that 55230785279dad89d90564f42beb2c4620bf387a966eAdam Powell // there's something new. 55240785279dad89d90564f42beb2c4620bf387a966eAdam Powell awakenScrollBars(); 55250785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 55269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mSyncMode) { 55289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_SELECTED_POSITION: 55299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode()) { 55309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We saved our state when not in touch mode. (We know this because 55319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSyncMode is SYNC_SELECTED_POSITION.) Now we are trying to 55329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // restore in touch mode. Just leave mSyncPosition as it is (possibly 55339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // adjusting if the available range changed) and return. 55349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 55359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 55369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 55389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 55399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we can find a position in the new data with the same 55409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // id as the old selection. This will change mSyncPosition. 55419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = findSyncPosition(); 55429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= 0) { 55439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found it. Now verify that new selection is still selectable 55449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 55459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos == newPos) { 55469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Same row id is selected 55479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = newPos; 55489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSyncHeight == getHeight()) { 55509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are at the same height as when we saved state, try 55519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to restore the scroll position too. 55529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 55539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 55549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are not the same height as when the selection was saved, so 55559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't try to restore the exact position 55569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SET_SELECTION; 55579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Restore selection 55609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(newPos); 55619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 55629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 55669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_FIRST_POSITION: 55679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Leave mSyncPosition as it is -- just pin to available range 55689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 55699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 55709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 55729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode()) { 55769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We couldn't find matching data -- try to use the same position 55779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = getSelectedItemPosition(); 55789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pin position to the available range 55809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= count) { 55819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = count - 1; 55829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos < 0) { 55849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = 0; 55859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we select something selectable -- first look down 55889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 55899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 55919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 55929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 55939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 55949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Looking down didn't work -- try looking up 55959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, false); 55969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 55979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 55989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 55999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 56029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We already know where we want to resurrect the selection 56049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResurrectToPosition >= 0) { 56059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 56069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Nothing is selected. Give up and reset everything. 56129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = mStackFromBottom ? LAYOUT_FORCE_BOTTOM : LAYOUT_FORCE_TOP; 56139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition = INVALID_POSITION; 56149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRowId = INVALID_ROW_ID; 56159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedPosition = INVALID_POSITION; 56169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedRowId = INVALID_ROW_ID; 56179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 5618e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = null; 5619079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 56209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkSelectionChanged(); 56219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 562343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy @Override 562443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy protected void onDisplayHint(int hint) { 562543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy super.onDisplayHint(hint); 562643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy switch (hint) { 562743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case INVISIBLE: 562843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 562943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy dismissPopup(); 563043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 563143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 563243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case VISIBLE: 563343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mFiltered && mPopup != null && !mPopup.isShowing()) { 563443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy showPopup(); 563543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 563643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 563743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 563824562487126b48c8ff39a42b76f3705f238da6c8Romain Guy mPopupHidden = hint == INVISIBLE; 563943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 564043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy 56419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the filter window 56439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5644d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void dismissPopup() { 56459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null) { 56469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.dismiss(); 56479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shows the filter window 56529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void showPopup() { 56549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we have a window before showing the popup 56559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getWindowVisibility() == View.VISIBLE) { 56564df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project createTextFilter(true); 5657b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project positionPopup(); 56589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we get focus if we are showing the popup 56599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkFocus(); 56609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5663b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project private void positionPopup() { 56649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int screenHeight = getResources().getDisplayMetrics().heightPixels; 56659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] xy = new int[2]; 56669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getLocationOnScreen(xy); 566724443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // TODO: The 20 below should come from the theme 56689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: And the gravity should be defined in the theme as well 56699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottomGap = screenHeight - xy[1] - getHeight() + (int) (mDensityScale * 20); 5670b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!mPopup.isShowing()) { 56719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 56729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xy[0], bottomGap); 56739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 56749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.update(xy[0], bottomGap, -1, -1); 56759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What is the distance between the source and destination rectangles given the direction of 56809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus navigation between them? The direction basically helps figure out more quickly what is 56819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * self evident by the relationship between the rects... 56829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 56839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source the source rectangle 56849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dest the destination rectangle 56859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction the direction 56869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the distance between the rectangles 56879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static int getDistance(Rect source, Rect dest, int direction) { 56899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sX, sY; // source x, y 56909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dX, dY; // dest x, y 56919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (direction) { 56929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_RIGHT: 56939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.right; 56949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 56959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left; 56969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 56979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_DOWN: 56999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 57009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.bottom; 57019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 57029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top; 57039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_LEFT: 57059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left; 57069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 57079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.right; 57089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 57099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_UP: 57119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 57129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top; 57139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 57149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.bottom; 57159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57164e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_FORWARD: 57174e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_BACKWARD: 57184e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sX = source.right + source.width() / 2; 57194e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sY = source.top + source.height() / 2; 57204e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dX = dest.left + dest.width() / 2; 57214e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dY = dest.top + dest.height() / 2; 57224e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown break; 57239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 57249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("direction must be one of " 57254e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, " 57264e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "FOCUS_FORWARD, FOCUS_BACKWARD}."); 57279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaX = dX - sX; 57299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY = dY - sY; 57309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return deltaY * deltaY + deltaX * deltaX; 57319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 57349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isInFilterMode() { 57359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 57369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sends a key to the text filter window 57409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 57419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param keyCode The keycode for the event 57429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param event The actual key event 57439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 57449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the text filter handled the event, false otherwise. 57459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 57469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean sendToTextFilter(int keyCode, int count, KeyEvent event) { 5747b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!acceptFilter()) { 57489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 57499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 57529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean okToSend = true; 57539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 57549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 57559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 57569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 57579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 57589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 57599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 57609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 57619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_BACK: 576383fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn if (mFiltered && mPopup != null && mPopup.isShowing()) { 57648d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn if (event.getAction() == KeyEvent.ACTION_DOWN 57658d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn && event.getRepeatCount() == 0) { 5766b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown KeyEvent.DispatcherState state = getKeyDispatcherState(); 5767b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown if (state != null) { 5768b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown state.startTracking(event, this); 5769b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown } 577083fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 577183fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } else if (event.getAction() == KeyEvent.ACTION_UP 577283fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn && event.isTracking() && !event.isCanceled()) { 577383fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 577483fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn mTextFilter.setText(""); 577583fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } 57769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 57789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_SPACE: 57809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only send spaces once we are filtered 5781cf6c5720a759709db69f253c36646d22ceb23f90Romain Guy okToSend = mFiltered; 57829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5785b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (okToSend) { 57869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(true); 57879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent forwardEvent = event; 57899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (forwardEvent.getRepeatCount() > 0) { 5790105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project forwardEvent = KeyEvent.changeTimeRepeat(event, event.getEventTime(), 0); 57919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 57949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (action) { 57959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_DOWN: 57969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyDown(keyCode, forwardEvent); 57979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 57989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_UP: 58009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyUp(keyCode, forwardEvent); 58019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 58029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_MULTIPLE: 58049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyMultiple(keyCode, count, event); 58059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 58069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 58099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5812b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * Return an InputConnection for editing of the filter text. 5813b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 5814b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 5815b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 5816c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (isTextFilterEnabled()) { 58171bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (mPublicInputConnection == null) { 58181bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mDefInputConnection = new BaseInputConnection(this, false); 5819f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mPublicInputConnection = new InputConnectionWrapper(outAttrs); 58201bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 5821f69913056b8c6000ff0306573a97971702e8d35aRomain Guy outAttrs.inputType = EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_FILTER; 58221bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE; 58231bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mPublicInputConnection; 5824c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project } 5825c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project return null; 5826b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 58270a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5828f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private class InputConnectionWrapper implements InputConnection { 5829f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private final EditorInfo mOutAttrs; 5830f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private InputConnection mTarget; 5831f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5832f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public InputConnectionWrapper(EditorInfo outAttrs) { 5833f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mOutAttrs = outAttrs; 5834f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5835f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5836f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private InputConnection getTarget() { 5837f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) { 5838f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTarget = getTextFilterInput().onCreateInputConnection(mOutAttrs); 5839f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5840f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget; 5841f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5842f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5843f69913056b8c6000ff0306573a97971702e8d35aRomain Guy @Override 5844f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean reportFullscreenMode(boolean enabled) { 5845f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // Use our own input connection, since it is 5846f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // the "real" one the IME is talking with. 5847f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mDefInputConnection.reportFullscreenMode(enabled); 5848f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5849f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5850f69913056b8c6000ff0306573a97971702e8d35aRomain Guy @Override 5851f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean performEditorAction(int editorAction) { 5852f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // The editor is off in its own window; we need to be 5853f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // the one that does this. 5854f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (editorAction == EditorInfo.IME_ACTION_DONE) { 5855f69913056b8c6000ff0306573a97971702e8d35aRomain Guy InputMethodManager imm = (InputMethodManager) 5856f69913056b8c6000ff0306573a97971702e8d35aRomain Guy getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 5857f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (imm != null) { 5858f69913056b8c6000ff0306573a97971702e8d35aRomain Guy imm.hideSoftInputFromWindow(getWindowToken(), 0); 5859f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5860f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return true; 5861f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5862f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return false; 5863f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5864f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5865f69913056b8c6000ff0306573a97971702e8d35aRomain Guy @Override 5866f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean sendKeyEvent(KeyEvent event) { 5867f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // Use our own input connection, since the filter 5868f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // text view may not be shown in a window so has 5869f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // no ViewAncestor to dispatch events with. 5870f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mDefInputConnection.sendKeyEvent(event); 5871f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5872f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58730ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5874f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public CharSequence getTextBeforeCursor(int n, int flags) { 5875f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return ""; 5876f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getTextBeforeCursor(n, flags); 5877f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5878f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58790ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5880f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public CharSequence getTextAfterCursor(int n, int flags) { 5881f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return ""; 5882f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getTextAfterCursor(n, flags); 5883f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5884f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58850ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5886f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public CharSequence getSelectedText(int flags) { 5887f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return ""; 5888f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getSelectedText(flags); 5889f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5890f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58910ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5892f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public int getCursorCapsMode(int reqModes) { 5893f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return InputType.TYPE_TEXT_FLAG_CAP_SENTENCES; 5894f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getCursorCapsMode(reqModes); 5895f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5896f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58970ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5898f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public ExtractedText getExtractedText(ExtractedTextRequest request, int flags) { 5899f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().getExtractedText(request, flags); 5900f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5901f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59020ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5903f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean deleteSurroundingText(int beforeLength, int afterLength) { 5904f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().deleteSurroundingText(beforeLength, afterLength); 5905f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5906f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59070ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5908f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean setComposingText(CharSequence text, int newCursorPosition) { 5909f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().setComposingText(text, newCursorPosition); 5910f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5911f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59120ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5913f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean setComposingRegion(int start, int end) { 5914f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().setComposingRegion(start, end); 5915f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5916f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59170ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5918f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean finishComposingText() { 5919f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget == null || mTarget.finishComposingText(); 5920f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5921f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59220ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5923f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean commitText(CharSequence text, int newCursorPosition) { 5924f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().commitText(text, newCursorPosition); 5925f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5926f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59270ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5928f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean commitCompletion(CompletionInfo text) { 5929f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().commitCompletion(text); 5930f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5931f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59320ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5933f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean commitCorrection(CorrectionInfo correctionInfo) { 5934f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().commitCorrection(correctionInfo); 5935f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5936f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59370ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5938f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean setSelection(int start, int end) { 5939f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().setSelection(start, end); 5940f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5941f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59420ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5943f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean performContextMenuAction(int id) { 5944f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().performContextMenuAction(id); 5945f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5946f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59470ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5948f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean beginBatchEdit() { 5949f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().beginBatchEdit(); 5950f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5951f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59520ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5953f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean endBatchEdit() { 5954f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().endBatchEdit(); 5955f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5956f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59570ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5958f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean clearMetaKeyStates(int states) { 5959f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().clearMetaKeyStates(states); 5960f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5961f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 59620ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5963f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean performPrivateCommand(String action, Bundle data) { 5964f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().performPrivateCommand(action, data); 5965f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5966f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5967f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5968b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 5969b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * For filtering we proxy an input connection to an internal text editor, 5970b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * and this allows the proxying to happen. 5971b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 5972b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 5973b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public boolean checkInputConnectionProxy(View view) { 5974b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project return view == mTextFilter; 5975b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 59760a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5977b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 59789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the window for the text filter and populates it with an EditText field; 59799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 59809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animateEntrance true if the window should appear with an animation 59819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 59829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createTextFilter(boolean animateEntrance) { 59839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 5984f69913056b8c6000ff0306573a97971702e8d35aRomain Guy PopupWindow p = new PopupWindow(getContext()); 59859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setFocusable(false); 59869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setTouchable(false); 59879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 5988f69913056b8c6000ff0306573a97971702e8d35aRomain Guy p.setContentView(getTextFilterInput()); 59899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setWidth(LayoutParams.WRAP_CONTENT); 59909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setHeight(LayoutParams.WRAP_CONTENT); 59919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setBackgroundDrawable(null); 59929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup = p; 59939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getViewTreeObserver().addOnGlobalLayoutListener(this); 5994d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = true; 59959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animateEntrance) { 59979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilter); 59989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 59999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilterRestore); 60009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6003f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private EditText getTextFilterInput() { 6004f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTextFilter == null) { 6005f69913056b8c6000ff0306573a97971702e8d35aRomain Guy final LayoutInflater layoutInflater = LayoutInflater.from(getContext()); 6006f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter = (EditText) layoutInflater.inflate( 6007f69913056b8c6000ff0306573a97971702e8d35aRomain Guy com.android.internal.R.layout.typing_filter, null); 6008f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // For some reason setting this as the "real" input type changes 6009f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // the text view in some way that it doesn't work, and I don't 6010f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // want to figure out why this is. 6011f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter.setRawInputType(EditorInfo.TYPE_CLASS_TEXT 6012f69913056b8c6000ff0306573a97971702e8d35aRomain Guy | EditorInfo.TYPE_TEXT_VARIATION_FILTER); 6013f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI); 6014f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter.addTextChangedListener(this); 6015f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 6016f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTextFilter; 6017f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 6018f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 60199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear the text filter. 60219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearTextFilter() { 60239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 6024f69913056b8c6000ff0306573a97971702e8d35aRomain Guy getTextFilterInput().setText(""); 60259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 60269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null && mPopup.isShowing()) { 60279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 60289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns if the ListView currently has a text filter. 60349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasTextFilter() { 60369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 60379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60398fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 60409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onGlobalLayout() { 60419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isShown()) { 60429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the popup if we are filtered 604324562487126b48c8ff39a42b76f3705f238da6c8Romain Guy if (mFiltered && mPopup != null && !mPopup.isShowing() && !mPopupHidden) { 60449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 60459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 60479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Hide the popup when we are no longer visible 604843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 60499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 60509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60561bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 60571bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 60589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60598fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 60609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beforeTextChanged(CharSequence s, int start, int count, int after) { 60619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60641bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Performs 60651bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * the actual filtering as the text changes, and takes care of hiding and 60661bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * showing the popup displaying the currently entered filter text. 60679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60688fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 60699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTextChanged(CharSequence s, int start, int before, int count) { 6070f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (isTextFilterEnabled()) { 6071f69913056b8c6000ff0306573a97971702e8d35aRomain Guy createTextFilter(true); 60729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = s.length(); 60739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean showing = mPopup.isShowing(); 60749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!showing && length > 0) { 60759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the filter popup if necessary 60769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 60779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 60789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (showing && length == 0) { 60799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the filter popup if the user has cleared all text 60801bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn dismissPopup(); 60819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 60829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 60849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 60859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Filter should not be null when we reach this part 60869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (f != null) { 60879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(s, this); 60889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 60899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("You cannot call onTextChanged with a non " 60909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "filterable adapter"); 60919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60971bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 60981bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 60999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 61008fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 61019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void afterTextChanged(Editable s) { 61029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61048fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 61059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onFilterComplete(int count) { 61069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition < 0 && count > 0) { 61079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 61089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 61099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6113aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell protected ViewGroup.LayoutParams generateDefaultLayoutParams() { 6114aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell return new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 6115aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell ViewGroup.LayoutParams.WRAP_CONTENT, 0); 6116aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } 6117aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell 6118aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell @Override 61199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 61209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(p); 61219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 61249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 61259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AbsListView.LayoutParams(getContext(), attrs); 61269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 61299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 61309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p instanceof AbsListView.LayoutParams; 61319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 61349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts the list or grid into transcript mode. In this mode the list or grid will always scroll 61359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the bottom to show new items. 61369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the transcript mode to set 61389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_DISABLED 61409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_NORMAL 61419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_ALWAYS_SCROLL 61429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 61439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTranscriptMode(int mode) { 61449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTranscriptMode = mode; 61459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 61489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current transcript mode. 61499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #TRANSCRIPT_MODE_DISABLED}, {@link #TRANSCRIPT_MODE_NORMAL} or 61519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #TRANSCRIPT_MODE_ALWAYS_SCROLL} 61529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 61539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTranscriptMode() { 61549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTranscriptMode; 61559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 61589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSolidColor() { 61599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 61609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 61639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 61645be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * on top of a solid, single-color, opaque background. 61655be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * 61665be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * Zero means that what's behind this object is translucent (non solid) or is not made of a 61675be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * single color. This hint will not affect any existing background drawable set on this view ( 61685be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * typically set via {@link #setBackgroundDrawable(Drawable)}). 61699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color The background color 61719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 61729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCacheColorHint(int color) { 617352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (color != mCacheColorHint) { 617452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mCacheColorHint = color; 617552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy int count = getChildCount(); 617652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; i++) { 617752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy getChildAt(i).setDrawingCacheBackgroundColor(color); 617852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 617952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mRecycler.setCacheColorHint(color); 618052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 61819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 61849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 61859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on top of a solid, single-color, opaque background 61869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The cache color hint 61889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 61897b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy @ViewDebug.ExportedProperty(category = "drawing") 61909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCacheColorHint() { 61919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 61929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 61959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views (excluding headers and footers) held by this AbsListView into the supplied 61969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List. This includes views displayed on the screen as well as views stored in AbsListView's 61979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal view recycler. 61989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param views A list into which to put the reclaimed views 62009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 62019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reclaimViews(List<View> views) { 62029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childCount = getChildCount(); 62039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RecyclerListener listener = mRecycler.mRecyclerListener; 62049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 62059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reclaim views on screen 62069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 62079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 620813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 62099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reclaim header or footer views, or views that should be ignored 62109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp != null && mRecycler.shouldRecycleViewType(lp.viewType)) { 62119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 6212c1d7e770e123adfa992d013fa294693d077cbc78alanv child.setAccessibilityDelegate(null); 62139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (listener != null) { 62149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend they went through the scrap heap 62159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onMovedToScrapHeap(child); 62169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.reclaimScrapViews(views); 62209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 62219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6223637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private void finishGlows() { 6224637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 6225637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.finish(); 6226637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.finish(); 6227637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 6228637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 6229637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 623013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 6231499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Sets up this AbsListView to use a remote views adapter which connects to a RemoteViewsService 6232499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * through the specified intent. 6233499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * @param intent the intent used to identify the RemoteViewsService for the adapter to connect to. 6234499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 6235499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void setRemoteViewsAdapter(Intent intent) { 62369b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 62379b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // service handling the specified intent. 62383ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (mRemoteAdapter != null) { 62393ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcNew = new Intent.FilterComparison(intent); 62403ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcOld = new Intent.FilterComparison( 62413ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung mRemoteAdapter.getRemoteViewsServiceIntent()); 62423ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (fcNew.equals(fcOld)) { 62433ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung return; 62443ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung } 62459b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung } 62462148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mDeferNotifyDataSetChanged = false; 62479b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Otherwise, create a new RemoteViewsAdapter for binding 6248499cb9f516062b654952d282f211bee44c31a3c2Winson Chung mRemoteAdapter = new RemoteViewsAdapter(getContext(), intent, this); 6249335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen if (mRemoteAdapter.isDataReady()) { 6250335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen setAdapter(mRemoteAdapter); 6251335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen } 6252499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 6253499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 6254499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 6255a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen * Sets up the onClickHandler to be used by the RemoteViewsAdapter when inflating RemoteViews 62560ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette * 6257a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen * @param handler The OnClickHandler to use when inflating RemoteViews. 62580ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette * 6259a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen * @hide 6260a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen */ 6261a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen public void setRemoteViewsOnClickHandler(OnClickHandler handler) { 6262a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 6263a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen // service handling the specified intent. 6264a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen if (mRemoteAdapter != null) { 6265a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen mRemoteAdapter.setRemoteViewsOnClickHandler(handler); 6266a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen } 6267a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen } 6268a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen 6269a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen /** 62702148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen * This defers a notifyDataSetChanged on the pending RemoteViewsAdapter if it has not 62712148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen * connected yet. 62722148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen */ 62738fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 62742148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen public void deferNotifyDataSetChanged() { 62752148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mDeferNotifyDataSetChanged = true; 62762148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen } 62772148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen 62782148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen /** 6279499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter connects to the RemoteViewsService. 6280499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 62818fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 628216c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung public boolean onRemoteAdapterConnected() { 6283499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (mRemoteAdapter != mAdapter) { 6284499cb9f516062b654952d282f211bee44c31a3c2Winson Chung setAdapter(mRemoteAdapter); 62852148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen if (mDeferNotifyDataSetChanged) { 62862148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mRemoteAdapter.notifyDataSetChanged(); 62872148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mDeferNotifyDataSetChanged = false; 62882148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen } 628916c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return false; 6290fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen } else if (mRemoteAdapter != null) { 6291fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen mRemoteAdapter.superNotifyDataSetChanged(); 629216c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return true; 6293499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 629416c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return false; 6295499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 6296499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 6297499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 6298499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter disconnects from the RemoteViewsService. 6299499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 63008fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6301499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterDisconnected() { 6302fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // If the remote adapter disconnects, we keep it around 6303fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // since the currently displayed items are still cached. 6304fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // Further, we want the service to eventually reconnect 6305fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // when necessary, as triggered by this view requesting 6306fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // items from the Adapter. 6307499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 6308499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 6309499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 6310b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen * Hints the RemoteViewsAdapter, if it exists, about which views are currently 6311b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen * being displayed by the AbsListView. 6312b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen */ 6313b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen void setVisibleRangeHint(int start, int end) { 6314b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen if (mRemoteAdapter != null) { 6315b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen mRemoteAdapter.setVisibleRangeHint(start, end); 6316b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen } 6317b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen } 6318b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen 6319b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen /** 63209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the recycler listener to be notified whenever a View is set aside in 63219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the recycler for later reuse. This listener can be used to free resources 63229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to the View. 63239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 63249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The recycler listener to be notified of views set aside 63259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the recycler. 63269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 63279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 63289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 63299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRecyclerListener(RecyclerListener listener) { 63319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.mRecyclerListener = listener; 63329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6334b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell class AdapterDataSetObserver extends AdapterView<ListAdapter>.AdapterDataSetObserver { 6335b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell @Override 6336b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell public void onChanged() { 6337b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell super.onChanged(); 63388636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 63398636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.onSectionsChanged(); 6340b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6341b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6342b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell 6343b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell @Override 6344b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell public void onInvalidated() { 6345b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell super.onInvalidated(); 63468636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette if (mFastScroll != null) { 63478636ace69640566768f89c2d92d2851ff064a2e9Alan Viverette mFastScroll.onSectionsChanged(); 6348b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6349b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6350b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6351b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell 63529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6353f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * A MultiChoiceModeListener receives events for {@link AbsListView#CHOICE_MODE_MULTIPLE_MODAL}. 6354f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * It acts as the {@link ActionMode.Callback} for the selection mode and also receives 6355f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #onItemCheckedStateChanged(ActionMode, int, long, boolean)} events when the user 6356f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selects and deselects list items. 6357f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 6358f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public interface MultiChoiceModeListener extends ActionMode.Callback { 6359f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 6360f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Called when an item is checked or unchecked during selection mode. 6361f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 6362f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param mode The {@link ActionMode} providing the selection mode 6363f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position Adapter position of the item that was checked or unchecked 6364f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param id Adapter ID of the item that was checked or unchecked 6365f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param checked <code>true</code> if the item is now checked, <code>false</code> 6366f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the item is now unchecked. 6367f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 6368f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 6369f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked); 6370f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6371f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6372f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell class MultiChoiceModeWrapper implements MultiChoiceModeListener { 6373f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell private MultiChoiceModeListener mWrapped; 6374f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6375f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setWrapped(MultiChoiceModeListener wrapped) { 6376f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped = wrapped; 6377f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6378f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6379a798170f2abe198f806b12dd904830bc25257525Adam Powell public boolean hasWrappedCallback() { 6380a798170f2abe198f806b12dd904830bc25257525Adam Powell return mWrapped != null; 6381a798170f2abe198f806b12dd904830bc25257525Adam Powell } 6382a798170f2abe198f806b12dd904830bc25257525Adam Powell 63838fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6384f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onCreateActionMode(ActionMode mode, Menu menu) { 6385f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mWrapped.onCreateActionMode(mode, menu)) { 6386f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Initialize checked graphic state? 6387f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(false); 6388f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 6389f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6390f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 6391f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6392f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 63938fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6394f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 6395f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onPrepareActionMode(mode, menu); 6396f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6397f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 63988fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6399f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 6400f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onActionItemClicked(mode, item); 6401f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6402f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 64038fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6404f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onDestroyActionMode(ActionMode mode) { 6405f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onDestroyActionMode(mode); 6406f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 6407f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6408f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Ending selection mode means deselecting everything. 6409f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 6410f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6411f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 6412f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 6413f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 6414f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6415f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 6416f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6417f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 64188fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6419f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 6420f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked) { 6421f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onItemCheckedStateChanged(mode, position, id, checked); 6422f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6423f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // If there are no items selected we no longer need the selection mode. 6424f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (getCheckedItemCount() == 0) { 6425f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mode.finish(); 6426f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6427f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6428f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6429f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6430f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 64319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AbsListView extends LayoutParams to provide a place to hold the view type. 64329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 64339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams extends ViewGroup.LayoutParams { 64349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 64359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View type for this view, as returned by 64369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.Adapter#getItemViewType(int) } 64379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6438bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list", mapping = { 64399bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_IGNORE, to = "ITEM_VIEW_TYPE_IGNORE"), 64409bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_HEADER_OR_FOOTER, to = "ITEM_VIEW_TYPE_HEADER_OR_FOOTER") 64419bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell }) 64429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType; 64439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64444df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 64454df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * When this boolean is set, the view has been added to the AbsListView 64464df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * at least once. It is used to know whether headers/footers have already 64474df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * been added to the list view and whether they should be treated as 64484df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * recycled views or not. 64494df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 6450bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 64514df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project boolean recycledHeaderFooter; 64524df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 64530bf88594c43ced48d862d122e3e84967b3b63658Romain Guy /** 64540bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * When an AbsListView is measured with an AT_MOST measure spec, it needs 64550bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * to obtain children views to measure itself. When doing so, the children 64560bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * are not attached to the window, but put in the recycler which assumes 64570bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * they've been attached before. Setting this flag will force the reused 64580bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * view to be attached to the window rather than just attached to the 64590bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * parent. 64600bf88594c43ced48d862d122e3e84967b3b63658Romain Guy */ 6461bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 64620bf88594c43ced48d862d122e3e84967b3b63658Romain Guy boolean forceAdd; 64630bf88594c43ced48d862d122e3e84967b3b63658Romain Guy 6464079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 6465079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The position the view was removed from when pulled out of the 6466079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * scrap heap. 6467079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @hide 6468079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 6469079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int scrappedFromPosition; 6470079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 6471539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 6472539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * The ID the view represents 6473539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 6474539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell long itemId = -1; 6475539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 64769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 64779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(c, attrs); 64789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h) { 64819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 64829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h, int viewType) { 64859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 64869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.viewType = viewType; 64879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 64909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 64919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 64959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A RecyclerListener is used to receive a notification whenever a View is placed 64969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the RecycleBin's scrap heap. This listener is used to free resources 64979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to Views placed in the RecycleBin. 64989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 64999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 65009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 65019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static interface RecyclerListener { 65039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the specified View was moved into the recycler's scrap heap. 65059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not displayed on screen any more and any expensive resource 65069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated with the view should be discarded. 65079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 65089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view 65099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMovedToScrapHeap(View view); 65119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The RecycleBin facilitates reuse of views across layouts. The RecycleBin has two levels of 65159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage: ActiveViews and ScrapViews. ActiveViews are those views which were onscreen at the 65169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of a layout. By construction, they are displaying current information. At the end of 65179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, all views in ActiveViews are demoted to ScrapViews. ScrapViews are old views that 65189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could potentially be used by the adapter to avoid allocating views unnecessarily. 65199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 65209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 65219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 65229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class RecycleBin { 65249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RecyclerListener mRecyclerListener; 65259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the first view stored in mActiveViews. 65289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFirstActivePosition; 65309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views that were on screen at the start of layout. This array is populated at the start of 65339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, and at the end of layout all view in mActiveViews are moved to mScrapViews. 65349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views in mActiveViews represent a contiguous range of Views, with position of the first 65359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view store in mFirstActivePosition. 65369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mActiveViews = new View[0]; 65389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unsorted views that can be used by the adapter as a convert view. 65419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View>[] mScrapViews; 65439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewTypeCount; 65459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View> mCurrentScrap; 65479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6548539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell private ArrayList<View> mSkippedScrap; 6549539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6550539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell private SparseArray<View> mTransientStateViews; 6551728713258ffef4df053b85e0a3488334cbcba24cChet Haase private LongSparseArray<View> mTransientStateViewsById; 6552539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 65539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewTypeCount(int viewTypeCount) { 65549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (viewTypeCount < 1) { 65559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Can't have a viewTypeCount < 1"); 65569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 65589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View>[] scrapViews = new ArrayList[viewTypeCount]; 65599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; i++) { 65609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews[i] = new ArrayList<View>(); 65619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewTypeCount = viewTypeCount; 65639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap = scrapViews[0]; 65649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews = scrapViews; 65659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65664e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 6567f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell public void markChildrenDirty() { 6568f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (mViewTypeCount == 1) { 6569f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mCurrentScrap; 6570f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 6571f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < scrapCount; i++) { 6572f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(i).forceLayout(); 6573f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6574f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } else { 6575f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int typeCount = mViewTypeCount; 6576f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < typeCount; i++) { 6577f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mScrapViews[i]; 6578f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 6579f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int j = 0; j < scrapCount; j++) { 6580f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(j).forceLayout(); 6581f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6582f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6583f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6584539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mTransientStateViews != null) { 6585539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final int count = mTransientStateViews.size(); 6586539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell for (int i = 0; i < count; i++) { 6587539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mTransientStateViews.valueAt(i).forceLayout(); 6588539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6589539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6590728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViewsById != null) { 6591728713258ffef4df053b85e0a3488334cbcba24cChet Haase final int count = mTransientStateViewsById.size(); 6592728713258ffef4df053b85e0a3488334cbcba24cChet Haase for (int i = 0; i < count; i++) { 6593728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.valueAt(i).forceLayout(); 6594728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6595728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6596f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 65970a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 65989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldRecycleViewType(int viewType) { 65999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return viewType >= 0; 66009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 66039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clears the scrap heap. 66049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 66059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 66069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 66079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mCurrentScrap; 66089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 66099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < scrapCount; i++) { 66109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - i), false); 66119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 66139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int typeCount = mViewTypeCount; 66149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < typeCount; i++) { 66159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mScrapViews[i]; 66169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 66179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < scrapCount; j++) { 66189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - j), false); 66199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6622595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette 6623595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette clearTransientStateViews(); 66249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 66279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill ActiveViews with all of the children of the AbsListView. 66289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 66299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childCount The minimum number of views mActiveViews should hold 66309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstActivePosition The position of the first view that will be stored in 66319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews 66329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 66339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void fillActiveViews(int childCount, int firstActivePosition) { 66349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActiveViews.length < childCount) { 66359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActiveViews = new View[childCount]; 66369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition = firstActivePosition; 66389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639f69913056b8c6000ff0306573a97971702e8d35aRomain Guy //noinspection MismatchedReadAndWriteOfArray 66409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 66419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 66429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 66439c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 66449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views into the scrap heap 66459c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy if (lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 66469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note: We do place AdapterView.ITEM_VIEW_TYPE_IGNORE in active views. 66479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // However, we will NOT place them into scrap views. 66484df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project activeViews[i] = child; 66499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 66549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the view corresponding to the specified position. The view will be removed from 66559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews if it is found. 66569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 66579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to look up in mActiveViews 66589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The view if it is found, null otherwise 66599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 66609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getActiveView(int position) { 66619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = position - mFirstActivePosition; 66629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 66639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >=0 && index < activeViews.length) { 66649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View match = activeViews[index]; 66659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[index] = null; 66669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return match; 66679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 66699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6671539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell View getTransientStateView(int position) { 6672728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mAdapter != null && mAdapterHasStableIds && mTransientStateViewsById != null) { 6673728713258ffef4df053b85e0a3488334cbcba24cChet Haase long id = mAdapter.getItemId(position); 6674728713258ffef4df053b85e0a3488334cbcba24cChet Haase View result = mTransientStateViewsById.get(id); 6675728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.remove(id); 6676728713258ffef4df053b85e0a3488334cbcba24cChet Haase return result; 6677539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6678728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViews != null) { 6679728713258ffef4df053b85e0a3488334cbcba24cChet Haase final int index = mTransientStateViews.indexOfKey(position); 6680728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (index >= 0) { 6681728713258ffef4df053b85e0a3488334cbcba24cChet Haase View result = mTransientStateViews.valueAt(index); 6682728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViews.removeAt(index); 6683728713258ffef4df053b85e0a3488334cbcba24cChet Haase return result; 6684728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6685539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6686728713258ffef4df053b85e0a3488334cbcba24cChet Haase return null; 6687539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6688539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6689539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 6690595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette * Dumps and fully detaches any currently saved views with transient 6691595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette * state. 6692539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 6693539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell void clearTransientStateViews() { 6694595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final SparseArray<View> viewsByPos = mTransientStateViews; 6695595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (viewsByPos != null) { 6696595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final int N = viewsByPos.size(); 6697595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette for (int i = 0; i < N; i++) { 6698595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette removeDetachedView(viewsByPos.valueAt(i), false); 6699595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 6700595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette viewsByPos.clear(); 6701539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6702595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette 6703595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final LongSparseArray<View> viewsById = mTransientStateViewsById; 6704595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (viewsById != null) { 6705595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final int N = viewsById.size(); 6706595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette for (int i = 0; i < N; i++) { 6707595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette removeDetachedView(viewsById.valueAt(i), false); 6708595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 6709595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette viewsById.clear(); 6710728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6711539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6712539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 67139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 67149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view from the ScrapViews collection. These are unordered. 67159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 67169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getScrapView(int position) { 67179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 6718079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mCurrentScrap, position); 67199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 67209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int whichScrap = mAdapter.getItemViewType(position); 67219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whichScrap >= 0 && whichScrap < mScrapViews.length) { 6722079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mScrapViews[whichScrap], position); 67239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 67269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6729d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * Puts a view into the list of scrap views. 6730d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * <p> 6731d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * If the list data hasn't changed or the adapter has stable IDs, views 6732d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * with transient state will be preserved for later retrieval. 67339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 67349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrap The view to add 6735d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * @param position The view's position within its parent 67369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6737079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void addScrapView(View scrap, int position) { 6738d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette final AbsListView.LayoutParams lp = (AbsListView.LayoutParams) scrap.getLayoutParams(); 67399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp == null) { 67409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 67419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6743539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell lp.scrappedFromPosition = position; 6744539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 67451e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // Remove but don't scrap header or footer views, or views that 67461e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // should otherwise not be recycled. 6747d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette final int viewType = lp.viewType; 6748d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (!shouldRecycleViewType(viewType)) { 6749d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette return; 6750d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 6751d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette 6752d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette scrap.dispatchStartTemporaryDetach(); 6753d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette 6754d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav // The the accessibility state of the view may change while temporary 6755d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav // detached and we do not allow detached views to fire accessibility 6756d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav // events. So we are announcing that the subtree changed giving a chance 6757d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav // to clients holding on to a view in this subtree to refresh it. 6758d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav notifyViewAccessibilityStateChangedIfNeeded( 6759d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav AccessibilityEvent.CONTENT_CHANGE_TYPE_SUBTREE); 6760d4bdd6befa4e3cc29bedaaea3678c1075e0b7d24Svetoslav 6761d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // Don't scrap views that have transient state. 6762539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final boolean scrapHasTransientState = scrap.hasTransientState(); 6763d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (scrapHasTransientState) { 6764d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mAdapter != null && mAdapterHasStableIds) { 6765d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // If the adapter has stable IDs, we can reuse the view for 6766d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // the same data. 6767d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mTransientStateViewsById == null) { 6768d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViewsById = new LongSparseArray<View>(); 6769d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 6770d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViewsById.put(lp.itemId, scrap); 6771d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else if (!mDataChanged) { 6772d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // If the data hasn't changed, we can reuse the views at 6773d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // their old positions. 6774d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mTransientStateViews == null) { 6775d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViews = new SparseArray<View>(); 6776d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 6777d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViews.put(position, scrap); 6778d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else { 6779d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // Otherwise, we'll have to remove the view and start over. 6780539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mSkippedScrap == null) { 6781539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mSkippedScrap = new ArrayList<View>(); 6782539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6783539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mSkippedScrap.add(scrap); 6784539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6785d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else { 6786d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mViewTypeCount == 1) { 6787d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mCurrentScrap.add(scrap); 6788d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else { 6789d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mScrapViews[viewType].add(scrap); 67909b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 67919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67921e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette // Clear any system-managed transient state. 67931e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette if (scrap.isAccessibilityFocused()) { 67941e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette scrap.clearAccessibilityFocus(); 67951e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette } 67961e51cc7e71d30626a8e7f4311883fed8ac3107b7Alan Viverette 6797d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette scrap.setAccessibilityDelegate(null); 67989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mRecyclerListener != null) { 6800d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mRecyclerListener.onMovedToScrapHeap(scrap); 6801d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 68029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6806539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * Finish the removal of any views that skipped the scrap heap. 6807539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 6808539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell void removeSkippedScrap() { 6809539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mSkippedScrap == null) { 6810539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell return; 6811539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6812539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final int count = mSkippedScrap.size(); 6813539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell for (int i = 0; i < count; i++) { 6814539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell removeDetachedView(mSkippedScrap.get(i), false); 6815539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6816539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mSkippedScrap.clear(); 6817539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6818539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6819539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 68209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views remaining in mActiveViews to mScrapViews. 68219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 68229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void scrapActiveViews() { 68239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 68249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasListener = mRecyclerListener != null; 68259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean multipleScraps = mViewTypeCount > 1; 68269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> scrapViews = mCurrentScrap; 68289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = activeViews.length; 6829a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = count - 1; i >= 0; i--) { 68309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View victim = activeViews[i]; 68319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (victim != null) { 6832079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final AbsListView.LayoutParams lp 6833079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn = (AbsListView.LayoutParams) victim.getLayoutParams(); 6834595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final int whichScrap = lp.viewType; 68359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[i] = null; 68379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6838595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (victim.hasTransientState()) { 6839595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Store views with transient state for later use. 6840595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette victim.dispatchStartTemporaryDetach(); 6841595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette 6842595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (mAdapter != null && mAdapterHasStableIds) { 6843595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (mTransientStateViewsById == null) { 6844595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette mTransientStateViewsById = new LongSparseArray<View>(); 6845595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 6846595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette long id = mAdapter.getItemId(mFirstActivePosition + i); 6847595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette mTransientStateViewsById.put(id, victim); 6848595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } else if (!mDataChanged) { 6849595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (mTransientStateViews == null) { 6850595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette mTransientStateViews = new SparseArray<View>(); 6851595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 6852595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette mTransientStateViews.put(mFirstActivePosition + i, victim); 6853595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } else if (whichScrap != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 6854595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // The data has changed, we can't keep this view. 68559b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(victim, false); 68569b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 6857595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } else if (!shouldRecycleViewType(whichScrap)) { 6858595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Discard non-recyclable views except headers/footers. 6859595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (whichScrap != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 6860595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette removeDetachedView(victim, false); 6861595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 6862595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } else { 6863595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette // Store everything else on the appropriate scrap heap. 6864595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (multipleScraps) { 6865595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette scrapViews = mScrapViews[whichScrap]; 6866539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 68679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6868595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette victim.dispatchStartTemporaryDetach(); 6869595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette lp.scrappedFromPosition = mFirstActivePosition + i; 6870595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette scrapViews.add(victim); 68719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6872595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette victim.setAccessibilityDelegate(null); 6873595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (hasListener) { 6874595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette mRecyclerListener.onMovedToScrapHeap(victim); 6875595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette } 68769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pruneScrapViews(); 68819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6884595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette * Makes sure that the size of mScrapViews does not exceed the size of 6885595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette * mActiveViews, which can happen if an adapter does not recycle its 6886595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette * views. Removes cached transient state views that no longer have 6887595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette * transient state. 68889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 68899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void pruneScrapViews() { 68909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int maxViews = mActiveViews.length; 68919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 68929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 68939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 68949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 68959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapPile.size(); 68969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int extras = size - maxViews; 68979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size--; 68989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < extras; j++) { 68999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrapPile.remove(size--), false); 69009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6902bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell 6903595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final SparseArray<View> transViewsByPos = mTransientStateViews; 6904595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (transViewsByPos != null) { 6905595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette for (int i = 0; i < transViewsByPos.size(); i++) { 6906595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final View v = transViewsByPos.valueAt(i); 6907bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell if (!v.hasTransientState()) { 6908595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette removeDetachedView(v, false); 6909595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette transViewsByPos.removeAt(i); 6910bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell i--; 6911bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell } 6912bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell } 6913bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell } 6914595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette 6915595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final LongSparseArray<View> transViewsById = mTransientStateViewsById; 6916595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette if (transViewsById != null) { 6917595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette for (int i = 0; i < transViewsById.size(); i++) { 6918595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette final View v = transViewsById.valueAt(i); 6919728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (!v.hasTransientState()) { 6920595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette removeDetachedView(v, false); 6921595115089fe3a55615b05c29352fc682d9a43f96Alan Viverette transViewsById.removeAt(i); 6922728713258ffef4df053b85e0a3488334cbcba24cChet Haase i--; 6923728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6924728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6925728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 69269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 69289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 69299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts all views in the scrap heap into the supplied list. 69309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 69319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reclaimScrapViews(List<View> views) { 69329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 69339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(mCurrentScrap); 69349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 69359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 69369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 69379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 69389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 69399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(scrapPile); 69409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 694352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy 694452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy /** 694552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * Updates the cache color hint of all known views. 694652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * 694752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * @param color The new cache color hint. 694852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy */ 694952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy void setCacheColorHint(int color) { 695052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (mViewTypeCount == 1) { 695152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mCurrentScrap; 695252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 695352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < scrapCount; i++) { 695452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy scrap.get(i).setDrawingCacheBackgroundColor(color); 695552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 695652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } else { 695752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int typeCount = mViewTypeCount; 695852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < typeCount; i++) { 695952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mScrapViews[i]; 696052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 696152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int j = 0; j < scrapCount; j++) { 6962266e05179cc8f5fe6324510aa54bb8c1779d2f6cRomain Guy scrap.get(j).setDrawingCacheBackgroundColor(color); 696352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 696452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 696552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 696652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy // Just in case this is called during a layout pass 696752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View[] activeViews = mActiveViews; 696852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int count = activeViews.length; 696952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; ++i) { 697052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View victim = activeViews[i]; 697152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (victim != null) { 697252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy victim.setDrawingCacheBackgroundColor(color); 697352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 697452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 697552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 69769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6977079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 6978079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn static View retrieveFromScrap(ArrayList<View> scrapViews, int position) { 6979079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int size = scrapViews.size(); 6980079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (size > 0) { 6981079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // See if we still have a view for this position. 6982079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn for (int i=0; i<size; i++) { 6983079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn View view = scrapViews.get(i); 6984079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (((AbsListView.LayoutParams)view.getLayoutParams()) 6985079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn .scrappedFromPosition == position) { 6986079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn scrapViews.remove(i); 6987079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return view; 6988079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 6989079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 6990079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return scrapViews.remove(size - 1); 6991079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 6992079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return null; 6993079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 6994079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 69959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6996