AbsListView.java revision fb66415655c288be2ac2078cd0a5e20c7040266e
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; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 59a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganovimport android.view.accessibility.AccessibilityEvent; 60c1d7e770e123adfa992d013fa294693d077cbc78alanvimport android.view.accessibility.AccessibilityManager; 61a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganovimport android.view.accessibility.AccessibilityNodeInfo; 620b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powellimport android.view.animation.Interpolator; 630b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powellimport android.view.animation.LinearInterpolator; 641bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.BaseInputConnection; 65f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.CompletionInfo; 66f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.CorrectionInfo; 67b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.EditorInfo; 68f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.ExtractedText; 69f69913056b8c6000ff0306573a97971702e8d35aRomain Guyimport android.view.inputmethod.ExtractedTextRequest; 70b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.InputConnection; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.inputmethod.InputMethodManager; 72a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohenimport android.widget.RemoteViews.OnClickHandler; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 74335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohenimport com.android.internal.R; 75335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 80d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Base class that can be used to implement virtualized lists of items. A list does 81d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * not have a spatial definition here. For instance, subclases of this class can 82d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * display the content of the list in a grid, in a carousel, as stack, etc. 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_stackFromBottom 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_scrollingCache 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_textFilterEnabled 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_transcriptMode 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_cacheColorHint 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_fastScrollEnabled 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 93f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @attr ref android.R.styleable#AbsListView_choiceMode 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class AbsListView extends AdapterView<ListAdapter> implements TextWatcher, 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewTreeObserver.OnGlobalLayoutListener, Filter.FilterListener, 97499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ViewTreeObserver.OnTouchModeChangeListener, 98499cb9f516062b654952d282f211bee44c31a3c2Winson Chung RemoteViewsAdapter.RemoteAdapterConnectionCallback { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy @SuppressWarnings("UnusedDeclaration") 101539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell private static final String TAG = "AbsListView"; 102539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disables the transcript mode. 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_DISABLED = 0; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom when a data set change 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * notification is received and only if the last item is already visible 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on screen. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_NORMAL = 1; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom, no matter what items 1190a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * are currently visible. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_ALWAYS_SCROLL = 2; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that we are not in the middle of a touch gesture 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_REST = -1; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The 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 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scroll gesture. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DOWN = 0; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch has been recognized as a tap and we are now waiting to see if the touch 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a longpress 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_TAP = 1; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates we have waited for everything we can wait for, but the user's finger is still down 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DONE_WAITING = 2; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch gesture is a scroll 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_SCROLL = 3; 1514e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the view is in the process of being flung 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_FLING = 4; 1560a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 158637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the touch gesture is an overscroll - a scroll beyond the beginning or end. 159637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 160637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERSCROLL = 5; 161637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 162637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 163637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the view is being flung outside of normal content bounds 164637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * and will spring back. 165637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 166637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERFLING = 6; 167637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 168637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Regular layout - usually an unsolicited layout from the view system 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_NORMAL = 0; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the first item 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_TOP = 1; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Force the selected item to be on somewhere on the screen 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SET_SELECTION = 2; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the last item 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_BOTTOM = 3; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make a mSelectedItem appear in a specific location and build the rest of 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the views from there. The top is specified by mSpecificTop. 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SPECIFIC = 4; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout to sync as a result of a data change. Restore mSyncPosition to have its top 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at mSpecificTop 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SYNC = 5; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout as a result of using the navigation keys 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_MOVE_SELECTION = 6; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Normal list that does not indicate choices 207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_NONE = 0; 209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 211f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows up to one choice 212f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 213f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_SINGLE = 1; 214f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 215f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 216f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices 217f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 218f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE = 2; 219f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices in a modal selection mode 222f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 223f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE_MODAL = 3; 224f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 225f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 22639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette * The thread that created this view. 22739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette */ 22839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private final Thread mOwnerThread; 22939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 23039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette /** 231f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls if/how the user may choose/check items in the list 232f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 233f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mChoiceMode = CHOICE_MODE_NONE; 234f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 235f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 236f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls CHOICE_MODE_MULTIPLE_MODAL. null when inactive. 237f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 238f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ActionMode mChoiceActionMode; 239f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 240f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 241f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Wrapper for the multiple choice mode callback; AbsListView needs to perform 242f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * a few extra actions around what application code does. 243f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 244f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell MultiChoiceModeWrapper mMultiChoiceModeCallback; 245f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 246f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 247f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running count of how many items are currently checked 248f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 249f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mCheckedItemCount; 250f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 251f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 252f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which positions are currently checked 253f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 254f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray mCheckStates; 255f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 256f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 25714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * Running state of which IDs are currently checked. 25814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * If there is a value for a given key, the checked state for that ID is true 25914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * and the value holds the last known position in the adapter for that id. 260f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 26114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell LongSparseArray<Integer> mCheckedIdStates; 262f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 263f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the next layout will happen 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLayoutMode = LAYOUT_NORMAL; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be used by subclasses to listen to changes in the dataset 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AdapterDataSetObserver mDataSetObserver; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The adapter containing the data to be displayed by this view 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListAdapter mAdapter; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 279499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * The remote adapter containing the data to be displayed by this view to be set 280499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 281499cb9f516062b654952d282f211bee44c31a3c2Winson Chung private RemoteViewsAdapter mRemoteAdapter; 282499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 283499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 284539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * If mAdapter != null, whenever this is true the adapter has stable IDs. 285539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 286539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell boolean mAdapterHasStableIds; 287539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 288539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 2892148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen * This flag indicates the a full notify is required when the RemoteViewsAdapter connects 2902148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen */ 2912148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen private boolean mDeferNotifyDataSetChanged = false; 2922148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen 2932148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen /** 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list selector should be drawn on top of the children or behind 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mDrawSelectorOnTop = false; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The drawable used to draw the selector 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable mSelector; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 304079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The current position of the selector in the list. 305079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 306079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mSelectorPosition = INVALID_POSITION; 307079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 308079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the selector's location and dimension at drawing time 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mSelectorRect = new Rect(); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data set used to store unused views that should be reused during the next layout 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to avoid creating new ones 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RecycleBin mRecycler = new RecycleBin(); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's left padding 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionLeftPadding = 0; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's top padding 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionTopPadding = 0; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's right padding 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionRightPadding = 0; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's bottom padding 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionBottomPadding = 0; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view's padding 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mListPadding = new Rect(); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses must retain their measure spec from onMeasure() into this member 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mWidthMeasureSpec = 0; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top scroll indicator 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollUp; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The down scroll indicator 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollDown; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the view is scrolling, this flag is set to true to indicate subclasses that 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the drawing cache was enabled on the children 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCachingStarted; 3640211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy boolean mCachingActive; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the view that received the down motion event 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionPosition; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset to the top of the mMotionPosition view when the down motion event was received 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewOriginalTop; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The desired offset to the top of the mMotionPosition view after a scroll 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewNewTop; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The X value associated with the the down motion event 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionX; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Y value associated with the the down motion event 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionY; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * One of TOUCH_MODE_REST, TOUCH_MODE_DOWN, TOUCH_MODE_TAP, TOUCH_MODE_SCROLL, or 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TOUCH_MODE_DONE_WAITING 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mTouchMode = TOUCH_MODE_REST; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value from on the previous motion event (if any) 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLastY; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How far the finger moved before we started scrolling 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionCorrection; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determines speed during touch scrolling 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VelocityTracker mVelocityTracker; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Handles one frame of a fling 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FlingRunnable mFlingRunnable; 4164e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 417458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 418458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Handles scrolling between positions within the list. 419458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4201fa179ef41c06bd19da70fd9bf95741238791940Adam Powell PositionScroller mPositionScroller; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset in pixels form the top of the AdapterView to the top 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the currently selected view. Used to save and restore state. 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectedTop = 0; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list is stacked from the bottom edge or 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the top edge. 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStackFromBottom; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to true, the list automatically discards the children's 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap cache after scrolling. 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mScrollingCacheEnabled; 4390a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Whether or not to enable the fast scroll feature on this list 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mFastScrollEnabled; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette * Whether or not to always show the fast scroll feature on this list 44739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette */ 44839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette boolean mFastScrollAlwaysVisible; 44939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 45039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette /** 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Optional callback to notify client when scroll position has changed 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnScrollListener mOnScrollListener; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Keeps track of our accessory window 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow mPopup; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used with type filter window 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EditText mTextFilter; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether to use pixels-based or position-based scrollbar 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * properties. 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSmoothScrollbarEnabled = true; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view supports filtering 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTextFilterEnabled; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view is currently displaying a filtered view of the data 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFiltered; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rectangle used for hit testing children 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTouchFrame; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position to resurrect the selected position to. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mResurrectToPosition = INVALID_POSITION; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContextMenuInfo mContextMenuInfo = null; 4924e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4930b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell /** 494637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to record overscroll 495637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 496637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollMax; 497637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 498637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 499637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Content height divided by this is the overscroll limit. 500637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 501637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int OVERSCROLL_LIMIT_DIVISOR = 3; 502637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 503637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 50414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * How many positions in either direction we will search to try to 50514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * find a checked item with a stable ID that moved position across 50614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell * a data set change. If the item isn't found it will be unselected. 50714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell */ 50814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell private static final int CHECK_POSITION_SEARCH_DISTANCE = 20; 50914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 51014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell /** 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to request a layout when we changed touch mode 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_UNKNOWN = -1; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_ON = 0; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_OFF = 1; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastTouchMode = TOUCH_MODE_UNKNOWN; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_SCROLLING = false; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mScrollProfilingStarted = false; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_FLINGING = false; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFlingProfilingStarted = false; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5261cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * The StrictMode "critical time span" objects to catch animation 5271cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * stutters. Non-null when a time-sensitive animation is 5281cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * in-flight. Must call finish() on them when done animating. 5291cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * These are no-ops on user builds. 5301cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick */ 5311cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mScrollStrictSpan = null; 5321cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mFlingStrictSpan = null; 5331cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 5341cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick /** 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForLongPress runnable we posted, if any 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForLongPress mPendingCheckForLongPress; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForTap runnable we posted, if any 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable mPendingCheckForTap; 5430a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForKeyLongPress runnable we posted, if any 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForKeyLongPress mPendingCheckForKeyLongPress; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Acts upon click 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AbsListView.PerformClick mPerformClick; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 555d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn * Delayed action for touch mode. 556d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn */ 557d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn private Runnable mTouchModeReset; 558d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 559d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn /** 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view is in transcript mode -- it shows the bottom of the list when the data 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changes 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTranscriptMode; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this list is always drawn on top of a solid, single-color, opaque 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * background 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCacheColorHint; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The select child's view (from the adapter's getView) is enabled. 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsChildViewEnabled; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last scroll state reported to clients through {@link OnScrollListener}. 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper object that renders and controls the fast scroll thumb. 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FastScroller mFastScroller; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 586d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private boolean mGlobalLayoutListenerAddedFilter; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 588d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private int mTouchSlop; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mDensityScale; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5911bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnection mDefInputConnection; 5921bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnectionWrapper mPublicInputConnection; 5936dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5946dfed24158b8fc9150abee23992db621cd82aa43Romain Guy private Runnable mClearScrollingCache; 595161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell Runnable mPositionScrollAfterLayout; 5964296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMinimumVelocity; 5974296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMaximumVelocity; 59821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy private float mVelocityScale = 1.0f; 5994e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 60021875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy final boolean[] mIsScrap = new boolean[1]; 6014e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 60224562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // True when the popup should be hidden because of a call to 60324562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // dispatchDisplayHint() 60424562487126b48c8ff39a42b76f3705f238da6c8Romain Guy private boolean mPopupHidden; 6054e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 6064cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 6074cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * ID of the active pointer. This is used to retain consistency during 6084cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * drags/flings if multiple pointers are used. 6094cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 6104cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private int mActivePointerId = INVALID_POINTER; 6114e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 6124cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 6134cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Sentinel value for no current active pointer. 6144cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Used by {@link #mActivePointerId}. 6154cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 6164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private static final int INVALID_POINTER = -1; 6176dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 619637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overscroll by during edge effects 620637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 621637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollDistance; 622637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 623637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 624637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overfling during edge effects 625637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 626637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverflingDistance; 627637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 628637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // These two EdgeGlows are always set and used together. 629637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Checking one for null is as good as checking both. 630637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 631637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 632637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the top edge glow. 633637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 63489935e41c593a599e8955388b27fb926e60e5e94Adam Powell private EdgeEffect mEdgeGlowTop; 635637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 636637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 637637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the bottom edge glow. 638637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 63989935e41c593a599e8955388b27fb926e60e5e94Adam Powell private EdgeEffect mEdgeGlowBottom; 640637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 641637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 642637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the top of the list and 643637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the top of the first position in the adapter, based on the last time 644637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 645637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 646637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mFirstPositionDistanceGuess; 647637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 648637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 649637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the bottom of the list and 650637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the bottom of the last 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 mLastPositionDistanceGuess; 654637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 655637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 656637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Used for determining when to cancel out of overscroll. 657637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 658637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mDirection = 0; 659637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 660637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 661da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * Tracked on measurement in transcript mode. Makes sure that we can still pin to 662da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * the bottom correctly on resizes. 663da13dbae6fe0619101433ac861da460b8be63a36Adam Powell */ 664da13dbae6fe0619101433ac861da460b8be63a36Adam Powell private boolean mForceTranscriptScroll; 665da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 66607d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell private int mGlowPaddingLeft; 66707d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell private int mGlowPaddingRight; 66807d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell 669c1d7e770e123adfa992d013fa294693d077cbc78alanv /** 670c1d7e770e123adfa992d013fa294693d077cbc78alanv * Used for interacting with list items from an accessibility service. 671c1d7e770e123adfa992d013fa294693d077cbc78alanv */ 672c1d7e770e123adfa992d013fa294693d077cbc78alanv private ListItemAccessibilityDelegate mAccessibilityDelegate; 673c1d7e770e123adfa992d013fa294693d077cbc78alanv 6744e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov private int mLastAccessibilityScrollEventFromIndex; 6754e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov private int mLastAccessibilityScrollEventToIndex; 6764e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov 677da13dbae6fe0619101433ac861da460b8be63a36Adam Powell /** 678b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell * Track if we are currently attached to a window. 679b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell */ 680a2b986e72c403f0b2ea593884e3135254bb83d30Adam Powell boolean mIsAttached; 681b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell 682b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell /** 683ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell * Track the item count from the last time we handled a data change. 684ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell */ 685ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell private int mLastHandledItemCount; 686ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell 687ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell /** 6880b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell * Used for smooth scrolling at a consistent rate 6890b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell */ 6900b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell static final Interpolator sLinearInterpolator = new LinearInterpolator(); 6910b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell 6920b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell /** 693e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * The saved state that we will be restoring from when we next sync. 694e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * Kept here so that if we happen to be asked to save our state before 695e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * the sync happens, we can return this existing data rather than losing 696e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn * it. 697e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn */ 698e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn private SavedState mPendingSync; 699e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn 700e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn /** 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the list or grid 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has been scrolled. 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnScrollListener { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not scrolling. Note navigating the list using the trackball counts as 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being in the idle state since these transitions are not animated. 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_IDLE = 0; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user is scrolling using touch, and their finger is still on the screen 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_TOUCH_SCROLL = 1; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user had previously been scrolling using touch and had performed a fling. The 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation is now coasting to a stop 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_FLING = 2; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked while the list view or grid view is being scrolled. If the 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view is being scrolled, this method will be called before the next frame of the scroll is 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rendered. In particular, it will be called before any calls to 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Adapter#getView(int, View, ViewGroup)}. 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrollState The current scroll state. One of {@link #SCROLL_STATE_IDLE}, 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #SCROLL_STATE_TOUCH_SCROLL} or {@link #SCROLL_STATE_IDLE}. 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScrollStateChanged(AbsListView view, int scrollState); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked when the list or grid has been scrolled. This will be 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called after the scroll has completed 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstVisibleItem the index of the first visible cell (ignore if 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visibleItemCount == 0) 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param visibleItemCount the number of visible cells 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalItemCount the number of items in the list adaptor 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int totalItemCount); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 750e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * The top-level view of a list item can implement this interface to allow 751e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * itself to modify the bounds of the selection shown for that item. 752e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 753e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public interface SelectionBoundsAdjuster { 754e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 755e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * Called to allow the list item to adjust the bounds shown for 756e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * its selection. 757e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * 758e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * @param bounds On call, this contains the bounds the list has 759e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * selected for the item (that is the bounds of the entire view). The 760e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * values can be modified as desired. 761e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 762e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void adjustListItemSelectionBounds(Rect bounds); 763e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 764e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context) { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 76939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mOwnerThread = Thread.currentThread(); 77039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVerticalScrollBarEnabled(true); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(R.styleable.View); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeScrollbars(a); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs) { 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.absListViewStyle); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs, int defStyle) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mOwnerThread = Thread.currentThread(); 78639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView, defStyle, 0); 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.AbsListView_listSelector); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(d); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = a.getBoolean( 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView_drawSelectorOnTop, false); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stackFromBottom = a.getBoolean(R.styleable.AbsListView_stackFromBottom, false); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setStackFromBottom(stackFromBottom); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean scrollingCacheEnabled = a.getBoolean(R.styleable.AbsListView_scrollingCache, true); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScrollingCacheEnabled(scrollingCacheEnabled); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useTextFilter = a.getBoolean(R.styleable.AbsListView_textFilterEnabled, false); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTextFilterEnabled(useTextFilter); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transcriptMode = a.getInt(R.styleable.AbsListView_transcriptMode, 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRANSCRIPT_MODE_DISABLED); 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTranscriptMode(transcriptMode); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color = a.getColor(R.styleable.AbsListView_cacheColorHint, 0); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCacheColorHint(color); 8130a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean enableFastScroll = a.getBoolean(R.styleable.AbsListView_fastScrollEnabled, false); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFastScrollEnabled(enableFastScroll); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean smoothScrollbar = a.getBoolean(R.styleable.AbsListView_smoothScrollbar, true); 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSmoothScrollbarEnabled(smoothScrollbar); 8194e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 820f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setChoiceMode(a.getInt(R.styleable.AbsListView_choiceMode, CHOICE_MODE_NONE)); 82120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell setFastScrollAlwaysVisible( 82220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell a.getBoolean(R.styleable.AbsListView_fastScrollAlwaysVisible, false)); 823f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 827d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void initAbsListView() { 828d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Setting focusable in touch mode will set the focusable property to true 829df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy setClickable(true); 830d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setFocusableInTouchMode(true); 831d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setWillNotDraw(false); 832d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setAlwaysDrawnWithCacheEnabled(false); 833d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setScrollingCacheEnabled(true); 834d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 8354296fc4d326447875c26a925f12b3935632f13bbRomain Guy final ViewConfiguration configuration = ViewConfiguration.get(mContext); 8364296fc4d326447875c26a925f12b3935632f13bbRomain Guy mTouchSlop = configuration.getScaledTouchSlop(); 8374296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMinimumVelocity = configuration.getScaledMinimumFlingVelocity(); 8384296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 839637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollDistance = configuration.getScaledOverscrollDistance(); 840637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverflingDistance = configuration.getScaledOverflingDistance(); 841637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 842d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mDensityScale = getContext().getResources().getDisplayMetrics().density; 843d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 8440a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 845637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 846637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell public void setOverScrollMode(int mode) { 847637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mode != OVER_SCROLL_NEVER) { 848637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop == null) { 8494e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira Context context = getContext(); 85089935e41c593a599e8955388b27fb926e60e5e94Adam Powell mEdgeGlowTop = new EdgeEffect(context); 85189935e41c593a599e8955388b27fb926e60e5e94Adam Powell mEdgeGlowBottom = new EdgeEffect(context); 852637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 853637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 854637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop = null; 855637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom = null; 856637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 857637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell super.setOverScrollMode(mode); 858637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 859637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 860d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 861f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@inheritDoc} 862f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 863f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 864f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setAdapter(ListAdapter adapter) { 865f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (adapter != null) { 866539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mAdapterHasStableIds = mAdapter.hasStableIds(); 867539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapterHasStableIds && 868f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates == null) { 86914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates = new LongSparseArray<Integer>(); 870f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 871f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 872f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 873f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 874f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 875f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 876f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 877f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 878f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 879f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 880f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 881f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 882f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 883f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the number of items currently selected. This will only be valid 884f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the choice mode is not {@link #CHOICE_MODE_NONE} (default). 885f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 886f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * <p>To determine the specific items that are currently selected, use one of 887f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the <code>getChecked*</code> methods. 888f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 889f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The number of items currently selected 890f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 891f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPosition() 892f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPositions() 893f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemIds() 894f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 895f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemCount() { 896f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckedItemCount; 897f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 898f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 899f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 900f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the checked state of the specified position. The result is only 901f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * valid if the choice mode has been set to {@link #CHOICE_MODE_SINGLE} 902f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or {@link #CHOICE_MODE_MULTIPLE}. 903f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 904f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state to return 905f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The item's checked state or <code>false</code> if choice mode 906f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * is invalid 907f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 908f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 909f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 910f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean isItemChecked(int position) { 911f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) { 912f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.get(position); 913f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 914f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 915f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 916f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 917f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 918f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 919f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the currently checked item. The result is only valid if the choice 920f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * mode has been set to {@link #CHOICE_MODE_SINGLE}. 921f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 922f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The position of the currently checked item or 923f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #INVALID_POSITION} if nothing is selected 924f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 925f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 926f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 927f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemPosition() { 928f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_SINGLE && mCheckStates != null && mCheckStates.size() == 1) { 929f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.keyAt(0); 930f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 931f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 932f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return INVALID_POSITION; 933f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 934f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 935f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 936f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items in the list. The result is only valid if 937f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has not been set to {@link #CHOICE_MODE_NONE}. 938f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 939f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A SparseBooleanArray which will return true for each call to 94082ff241fd6a82843a8d9d87a1a01c7315079e3d4Cyril Mottier * get(int position) where position is a checked position in the 94182ff241fd6a82843a8d9d87a1a01c7315079e3d4Cyril Mottier * list and false otherwise, or <code>null</code> if the choice 94282ff241fd6a82843a8d9d87a1a01c7315079e3d4Cyril Mottier * mode is set to {@link #CHOICE_MODE_NONE}. 943f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 944f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public SparseBooleanArray getCheckedItemPositions() { 945f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 946f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates; 947f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 948f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return null; 949f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 950f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 951f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 952f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items ids. The result is only valid if the 953f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * choice mode has not been set to {@link #CHOICE_MODE_NONE} and the adapter 954f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * has stable IDs. ({@link ListAdapter#hasStableIds()} == {@code true}) 955f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 956f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A new array which contains the id of each checked item in the 957f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * list. 958f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 959f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public long[] getCheckedItemIds() { 960f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE || mCheckedIdStates == null || mAdapter == null) { 961f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return new long[0]; 962f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 963f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 96414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final LongSparseArray<Integer> idStates = mCheckedIdStates; 965f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final int count = idStates.size(); 966f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long[] ids = new long[count]; 967f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 968f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell for (int i = 0; i < count; i++) { 969f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ids[i] = idStates.keyAt(i); 970f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 971f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 972f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return ids; 973f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 974f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 975f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 976f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Clear any choices previously set 977f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 978f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void clearChoices() { 979f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 980f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 981f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 982f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 983f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 984f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 985f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 986f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 987f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 988f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 989f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Sets the checked state of the specified position. The is only valid if 990f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has been set to {@link #CHOICE_MODE_SINGLE} or 991f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}. 992f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 993f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state is to be checked 994f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param value The new checked state for the item 995f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 996f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setItemChecked(int position, boolean value) { 997f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE) { 998f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return; 999f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1000f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1001f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Start selection mode if needed. We don't need to if we're unchecking something. 1002f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) { 1003a798170f2abe198f806b12dd904830bc25257525Adam Powell if (mMultiChoiceModeCallback == null || 1004a798170f2abe198f806b12dd904830bc25257525Adam Powell !mMultiChoiceModeCallback.hasWrappedCallback()) { 1005a798170f2abe198f806b12dd904830bc25257525Adam Powell throw new IllegalStateException("AbsListView: attempted to start selection mode " + 1006a798170f2abe198f806b12dd904830bc25257525Adam Powell "for CHOICE_MODE_MULTIPLE_MODAL but no choice mode callback was " + 1007a798170f2abe198f806b12dd904830bc25257525Adam Powell "supplied. Call setMultiChoiceModeListener to set a callback."); 1008a798170f2abe198f806b12dd904830bc25257525Adam Powell } 1009f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 1010f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1011f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1012f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 1013f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean oldValue = mCheckStates.get(position); 1014f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, value); 1015f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 1016f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 101714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1018f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1019f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 1020f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1021f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1022f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (oldValue != value) { 1023f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 1024f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 1025f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1026f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 1027f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1028f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1029f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1030f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long id = mAdapter.getItemId(position); 1031f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 1032f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, value); 1033f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1034f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1035f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean updateIds = mCheckedIdStates != null && mAdapter.hasStableIds(); 1036f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Clear all values if we're checking something, or unchecking the currently 1037f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selected item 1038f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value || isItemChecked(position)) { 1039f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 1040f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 1041f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 1042f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1043f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1044f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // this may end up selecting the value we just cleared but this way 1045f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // we ensure length of mCheckStates is 1, a fact getCheckedItemPosition relies on 1046f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 1047f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 1048f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 104914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1050f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1051f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 1052f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 1053f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 1054f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1055f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1056f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1057f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Do not generate a data change while we are in the layout phase 1058f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (!mInLayout && !mBlockLayoutRequests) { 1059f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 1060f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 1061f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 1062f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1063f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1064f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1065f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 1066f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean performItemClick(View view, int position, long id) { 1067f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 1068bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell boolean dispatchItemClick = true; 1069f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1070f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 1071f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell handled = true; 107229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell boolean checkedStateChanged = false; 1073f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1074f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || 1075f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null)) { 10765bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio boolean checked = !mCheckStates.get(position, false); 10775bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio mCheckStates.put(position, checked); 1078f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 10795bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio if (checked) { 108014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1081f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1082f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 1083f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1084f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 10855bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio if (checked) { 1086f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 1087f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1088f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 1089f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1090f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1091f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 10925bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio position, id, checked); 1093bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell dispatchItemClick = false; 1094f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 109529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell checkedStateChanged = true; 1096f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mChoiceMode == CHOICE_MODE_SINGLE) { 10975bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio boolean checked = !mCheckStates.get(position, false); 10985bb4e29aba21bf52873bc242102cdfabd9ec4aaaFabrice Di Meglio if (checked) { 1099f3b8e6fe7825bf31e7824041325ddedc0bd41baeAdam Powell mCheckStates.clear(); 1100f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 1101f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 1102f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 110314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), position); 1104f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1105f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 1106f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 1107f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 1108f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 110929382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell checkedStateChanged = true; 1110f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1111f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 111229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell if (checkedStateChanged) { 111329382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell updateOnScreenCheckedViews(); 111429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 1115f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1116f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1117bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell if (dispatchItemClick) { 1118bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell handled |= super.performItemClick(view, position, id); 1119bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell } 1120f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1121f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return handled; 1122f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1123f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1124f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 112529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell * Perform a quick, in-place update of the checked or activated state 112629382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell * on all visible item views. This should only be called when a valid 112729382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell * choice mode is active. 112829382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell */ 112929382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell private void updateOnScreenCheckedViews() { 113029382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final int firstPos = mFirstPosition; 113129382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final int count = getChildCount(); 113229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final boolean useActivated = getContext().getApplicationInfo().targetSdkVersion 113329382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell >= android.os.Build.VERSION_CODES.HONEYCOMB; 113429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell for (int i = 0; i < count; i++) { 113529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final View child = getChildAt(i); 113629382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell final int position = firstPos + i; 113729382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell 113829382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell if (child instanceof Checkable) { 113929382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell ((Checkable) child).setChecked(mCheckStates.get(position)); 114029382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } else if (useActivated) { 114129382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell child.setActivated(mCheckStates.get(position)); 114229382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 114329382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 114429382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell } 114529382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell 114629382d9d9d03553dfbc235d32d27be13b4c76c5fAdam Powell /** 1147f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1148f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1149f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The current choice mode 1150f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1151f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getChoiceMode() { 1152f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mChoiceMode; 1153f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1154f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1155f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1156f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Defines the choice behavior for the List. By default, Lists do not have any choice behavior 1157f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * ({@link #CHOICE_MODE_NONE}). By setting the choiceMode to {@link #CHOICE_MODE_SINGLE}, the 1158f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * List allows up to one item to be in a chosen state. By setting the choiceMode to 1159f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}, the list allows any number of items to be chosen. 1160f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1161f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param choiceMode One of {@link #CHOICE_MODE_NONE}, {@link #CHOICE_MODE_SINGLE}, or 1162f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE} 1163f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1164f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setChoiceMode(int choiceMode) { 1165f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceMode = choiceMode; 1166f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1167f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode.finish(); 1168f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 1169f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1170f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 1171f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates == null) { 1172f4bf0ae2a7c2d9d92c5c8abdb82baa53b4c9ccdaDianne Hackborn mCheckStates = new SparseBooleanArray(0); 1173f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1174f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates == null && mAdapter != null && mAdapter.hasStableIds()) { 1175f4bf0ae2a7c2d9d92c5c8abdb82baa53b4c9ccdaDianne Hackborn mCheckedIdStates = new LongSparseArray<Integer>(0); 1176f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1177f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Modal multi-choice mode only has choices when the mode is active. Clear them. 1178f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 1179f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 1180f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 1181f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1182f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1183f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1184f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1185f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1186f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Set a {@link MultiChoiceModeListener} that will manage the lifecycle of the 1187f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selection {@link ActionMode}. Only used when the choice mode is set to 1188f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE_MODAL}. 1189f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1190f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param listener Listener that will manage the selection mode 1191f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1192f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1193f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1194f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setMultiChoiceModeListener(MultiChoiceModeListener listener) { 1195f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mMultiChoiceModeCallback == null) { 1196f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback = new MultiChoiceModeWrapper(); 1197f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1198f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.setWrapped(listener); 1199f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1200f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1201f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1202637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return true if all list content currently fits within the view boundaries 1203637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 1204637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private boolean contentFits() { 1205637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 12062bed570bba183249c6ca9ca1151d1d23808de8c1Adam Powell if (childCount == 0) return true; 12072bed570bba183249c6ca9ca1151d1d23808de8c1Adam Powell if (childCount != mItemCount) return false; 1208637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 12094ce35419cea4c320b71f848cf00fd6f5d17e960eAdam Powell return getChildAt(0).getTop() >= mListPadding.top && 12104ce35419cea4c320b71f848cf00fd6f5d17e960eAdam Powell getChildAt(childCount - 1).getBottom() <= getHeight() - mListPadding.bottom; 1211637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 1212637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1213637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 12140a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Enables fast scrolling by letting the user quickly scroll through lists by 12150a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * dragging the fast scroll thumb. The adapter attached to the list may want 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to implement {@link SectionIndexer} if it wishes to display alphabet preview and 12170a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * jump between sections of the list. 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SectionIndexer 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isFastScrollEnabled() 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled whether or not to enable fast scrolling 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 122239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void setFastScrollEnabled(final boolean enabled) { 122339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (mFastScrollEnabled != enabled) { 122439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mFastScrollEnabled = enabled; 122539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 122639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (isOwnerThread()) { 122739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerEnabledUiThread(enabled); 122839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } else { 122939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette post(new Runnable() { 123039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette @Override 123139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void run() { 123239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerEnabledUiThread(enabled); 123339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 123439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette }); 123539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 1236447cdf2c069a05d9f8b5aaa4269be43e8f5e1d89Alan Viverette } 123739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 1238447cdf2c069a05d9f8b5aaa4269be43e8f5e1d89Alan Viverette 123939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private void setFastScrollerEnabledUiThread(boolean enabled) { 1240447cdf2c069a05d9f8b5aaa4269be43e8f5e1d89Alan Viverette if (mFastScroller != null) { 1241447cdf2c069a05d9f8b5aaa4269be43e8f5e1d89Alan Viverette mFastScroller.setEnabled(enabled); 124239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } else if (enabled) { 124339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mFastScroller = new FastScroller(this); 1244fb66415655c288be2ac2078cd0a5e20c7040266eAlan Viverette mFastScroller.setEnabled(true); 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12470a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 124920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * Set whether or not the fast scroller should always be shown in place of the 125020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * standard scrollbars. Fast scrollers shown in this way will not fade out and will 125120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * be a permanent fixture within the list. Best combined with an inset scroll bar style 125220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * that will ensure enough padding. This will enable fast scrolling if it is not 125320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * already enabled. 125420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 125520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @param alwaysShow true if the fast scroller should always be displayed. 125620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setScrollBarStyle(int) 125720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollEnabled(boolean) 125820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 125939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void setFastScrollAlwaysVisible(final boolean alwaysShow) { 126039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (mFastScrollAlwaysVisible != alwaysShow) { 126139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (alwaysShow && !mFastScrollEnabled) { 126239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollEnabled(true); 126339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 126439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 126539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette mFastScrollAlwaysVisible = alwaysShow; 126639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette 126739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (isOwnerThread()) { 126839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerAlwaysVisibleUiThread(alwaysShow); 126939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } else { 127039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette post(new Runnable() { 127139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette @Override 127239bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette public void run() { 127339bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette setFastScrollerAlwaysVisibleUiThread(alwaysShow); 127439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 127539bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette }); 127639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 127720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 127839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 127920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 128039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private void setFastScrollerAlwaysVisibleUiThread(boolean alwaysShow) { 128120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (mFastScroller != null) { 128220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell mFastScroller.setAlwaysShow(alwaysShow); 128320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 128439bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette } 128520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 128639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette /** 128739bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette * @return whether the current thread is the one that created the view 128839bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette */ 128939bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette private boolean isOwnerThread() { 129039bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette return mOwnerThread == Thread.currentThread(); 129120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 129220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 129320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 129420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * Returns true if the fast scroller is set to always show on this view rather than 129520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * fade out when not in use. 129620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 129720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @return true if the fast scroller will always show. 129820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollAlwaysVisible(boolean) 129920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 130020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public boolean isFastScrollAlwaysVisible() { 130139bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette return mFastScrollEnabled && mFastScrollAlwaysVisible; 130220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 130320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 130420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 130520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public int getVerticalScrollbarWidth() { 130639bed695cecdbefc9fae785692fe468cd9007c35Alan Viverette if (isFastScrollAlwaysVisible() && mFastScroller != null) { 130720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return Math.max(super.getVerticalScrollbarWidth(), mFastScroller.getWidth()); 130820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 130920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return super.getVerticalScrollbarWidth(); 131020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 131120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 131220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setFastScrollEnabled(boolean) 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if fast scroll is enabled, false otherwise 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isFastScrollEnabled() { 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScrollEnabled; 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13210a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 132220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 132320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public void setVerticalScrollbarPosition(int position) { 132420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell super.setVerticalScrollbarPosition(position); 132520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (mFastScroller != null) { 132620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell mFastScroller.setScrollbarPosition(position); 132720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 132820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 132920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13310ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette * If fast scroll is enabled, then don't draw the vertical scrollbar. 13320a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @hide 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isVerticalScrollBarHidden() { 13360ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette return mFastScrollEnabled; 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is enabled, the position and size of the scrollbar thumb 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is computed based on the number of visible pixels in the visible items. This 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * however assumes that all list items have the same height. If you use a list in 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which items have different heights, the scrollbar will change appearance as the 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user scrolls through the list. To avoid this issue, you need to disable this 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * property. 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is disabled, the position and size of the scrollbar thumb 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is based solely on the number of items in the adapter and the position of the 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visible items inside the adapter. This provides a stable scrollbar as the user 13500a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * navigates through a list of items with varying heights. 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Whether or not to enable smooth scrollbar. 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13540a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @see #setSmoothScrollbarEnabled(boolean) 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSmoothScrollbarEnabled(boolean enabled) { 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSmoothScrollbarEnabled = enabled; 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if smooth scrollbar is enabled is enabled, false otherwise. 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSmoothScrollbarEnabled(boolean) 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSmoothScrollbarEnabled() { 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSmoothScrollbarEnabled; 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the listener that will receive notifications every time the list scrolls. 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the scroll listener 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnScrollListener(OnScrollListener l) { 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener = l; 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notify our scroll listener (if there is one) of a change in scroll state 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void invokeOnItemScrollListener() { 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 13880ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette mFastScroller.onScroll(mFirstPosition, getChildCount(), mItemCount); 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13930a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne onScrollChanged(0, 0, 0, 0); // dummy values, View's implementation does not use these. 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1396a0156177cdc809795dd8bc5a19943dd2b6f82b66Svetoslav Ganov @Override 13974e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov public void sendAccessibilityEvent(int eventType) { 13984e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov // Since this class calls onScrollChanged even if the mFirstPosition and the 13994e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov // child count have not changed we will avoid sending duplicate accessibility 14004e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov // events. 14014e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 1402d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov final int firstVisiblePosition = getFirstVisiblePosition(); 1403d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov final int lastVisiblePosition = getLastVisiblePosition(); 1404d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov if (mLastAccessibilityScrollEventFromIndex == firstVisiblePosition 1405d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov && mLastAccessibilityScrollEventToIndex == lastVisiblePosition) { 14069c3e0e68260fe50456996d75304b73054cbde94aalanv return; 14074e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } else { 1408d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov mLastAccessibilityScrollEventFromIndex = firstVisiblePosition; 1409d9ee72fddb8be40e414a831fb80458dc48699613Svetoslav Ganov mLastAccessibilityScrollEventToIndex = lastVisiblePosition; 14104e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } 14114e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } 14124e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov super.sendAccessibilityEvent(eventType); 14134e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov } 14144e03f5910cf641e2610f4cbe3fc24d84c430d1e8Svetoslav Ganov 14158a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 14168a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 14178a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityEvent(event); 14188a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov event.setClassName(AbsListView.class.getName()); 14198a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 14208a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 14218a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 14228a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 14238a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityNodeInfo(info); 14248a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov info.setClassName(AbsListView.class.getName()); 1425fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isEnabled()) { 1426fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (getFirstVisiblePosition() > 0) { 1427fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD); 142880943d8daa6ab31ab5c486d57aea406aa0730d58Svetoslav Ganov info.setScrollable(true); 1429fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 1430fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (getLastVisiblePosition() < getCount() - 1) { 1431fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD); 143280943d8daa6ab31ab5c486d57aea406aa0730d58Svetoslav Ganov info.setScrollable(true); 1433fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 1434a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1435a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1436a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov 1437a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov @Override 1438a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov public boolean performAccessibilityAction(int action, Bundle arguments) { 143948d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov if (super.performAccessibilityAction(action, arguments)) { 144048d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov return true; 144148d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov } 1442a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov switch (action) { 1443a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: { 1444fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isEnabled() && getLastVisiblePosition() < getCount() - 1) { 1445a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom; 1446a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov smoothScrollBy(viewportHeight, PositionScroller.SCROLL_DURATION); 1447a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov return true; 1448a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1449a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } return false; 1450a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: { 1451fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isEnabled() && mFirstPosition > 0) { 1452a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom; 1453a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov smoothScrollBy(-viewportHeight, PositionScroller.SCROLL_DURATION); 1454a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov return true; 1455a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 1456a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } return false; 1457a1dc761c8322355eb1bb71d3d6c9c603c1d1fc0fSvetoslav Ganov } 145848d1586f4065fc9ab97a679da1e4f7c327c943f2Svetoslav Ganov return false; 14598a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 14608a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 14615b578daac9cea174b15fcd13528270270aadd8a2Svetoslav /** @hide */ 14625b578daac9cea174b15fcd13528270270aadd8a2Svetoslav @Override 14635b578daac9cea174b15fcd13528270270aadd8a2Svetoslav public View findViewByAccessibilityIdTraversal(int accessibilityId) { 14645b578daac9cea174b15fcd13528270270aadd8a2Svetoslav if (accessibilityId == getAccessibilityViewId()) { 14655b578daac9cea174b15fcd13528270270aadd8a2Svetoslav return this; 14665b578daac9cea174b15fcd13528270270aadd8a2Svetoslav } 14675b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // If the data changed the children are invalid since the data model changed. 14685b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // Hence, we pretend they do not exist. After a layout the children will sync 14695b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // with the model at which point we notify that the accessibility state changed, 14705b578daac9cea174b15fcd13528270270aadd8a2Svetoslav // so a service will be able to re-fetch the views. 14715b578daac9cea174b15fcd13528270270aadd8a2Svetoslav if (mDataChanged) { 14725b578daac9cea174b15fcd13528270270aadd8a2Svetoslav return null; 14735b578daac9cea174b15fcd13528270270aadd8a2Svetoslav } 14745b578daac9cea174b15fcd13528270270aadd8a2Svetoslav return super.findViewByAccessibilityIdTraversal(accessibilityId); 14755b578daac9cea174b15fcd13528270270aadd8a2Svetoslav } 14765b578daac9cea174b15fcd13528270270aadd8a2Svetoslav 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a scroll. 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will consume more memory. 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the scrolling cache is enabled, false otherwise 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setScrollingCacheEnabled(boolean) 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isScrollingCacheEnabled() { 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScrollingCacheEnabled; 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a scroll. 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will use more memory. 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the scrolling cache is enabled, the caches are kept after the 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first scrolling. You can manually clear the cache by calling 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup#setChildrenDrawingCacheEnabled(boolean)}. 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the scroll cache, false otherwise 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isScrollingCacheEnabled() 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollingCacheEnabled(boolean enabled) { 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !enabled) { 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollingCacheEnabled = enabled; 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the type filter window. If enabled, typing when 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view has focus will filter the children to match the users input. 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that the {@link Adapter} used by this view must implement the 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Filterable} interface. 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param textFilterEnabled true to enable type filtering, false otherwise 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTextFilterEnabled(boolean textFilterEnabled) { 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilterEnabled = textFilterEnabled; 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether type filtering is enabled for this view 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if type filtering is enabled, false otherwise 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled(boolean) 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isTextFilterEnabled() { 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilterEnabled; 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getFocusedRect(Rect r) { 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getSelectedView(); 15416bdbfcfa77177eb7c8905123f44f2fa5aa0f17b1Romain Guy if (view != null && view.getParent() == this) { 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused rectangle of the selected view offset into the 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // coordinate space of this view. 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getFocusedRect(r); 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetDescendantRectToMyCoords(view, r); 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // otherwise, just the norm 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.getFocusedRect(r); 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void useDefaultSelector() { 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable( 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.drawable.list_selector_background)); 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the content of this view is pinned to, or stacked from, 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom edge. 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the content is stacked from the bottom edge, false otherwise 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStackFromBottom() { 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStackFromBottom; 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When stack from bottom is set to true, the list fills its content starting from 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom of the view. 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stackFromBottom true to pin the view's content to the bottom edge, 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to pin the view's content to the top edge 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setStackFromBottom(boolean stackFromBottom) { 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStackFromBottom != stackFromBottom) { 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStackFromBottom = stackFromBottom; 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayoutIfNecessary(); 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestLayoutIfNecessary() { 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resetList(); 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static class SavedState extends BaseSavedState { 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId; 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long firstId; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewTop; 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position; 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height; 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String filter; 1597a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell boolean inActionMode; 15982614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell int checkedItemCount; 1599f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray checkState; 160014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell LongSparseArray<Integer> checkIdState; 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link AbsListView#onSaveInstanceState()} 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState(Parcelable superState) { 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link #CREATOR} 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SavedState(Parcel in) { 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(in); 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedId = in.readLong(); 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstId = in.readLong(); 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project viewTop = in.readInt(); 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = in.readInt(); 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = in.readInt(); 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter = in.readString(); 1620a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell inActionMode = in.readByte() != 0; 16212614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell checkedItemCount = in.readInt(); 1622f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkState = in.readSparseBooleanArray(); 162343ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final int N = in.readInt(); 162443ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn if (N > 0) { 162514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell checkIdState = new LongSparseArray<Integer>(); 162643ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn for (int i=0; i<N; i++) { 162743ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final long key = in.readLong(); 162843ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final int value = in.readInt(); 162943ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn checkIdState.put(key, value); 163014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 1631f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.writeToParcel(out, flags); 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(selectedId); 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(firstId); 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(viewTop); 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(position); 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(height); 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeString(filter); 1643a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell out.writeByte((byte) (inActionMode ? 1 : 0)); 16442614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell out.writeInt(checkedItemCount); 1645f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeSparseBooleanArray(checkState); 164643ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn final int N = checkIdState != null ? checkIdState.size() : 0; 164743ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn out.writeInt(N); 164843ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn for (int i=0; i<N; i++) { 164943ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn out.writeLong(checkIdState.keyAt(i)); 165043ee0ab8777632cf171b598153fc2c427586d332Dianne Hackborn out.writeInt(checkIdState.valueAt(i)); 165114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "AbsListView.SavedState{" 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + Integer.toHexString(System.identityHashCode(this)) 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " selectedId=" + selectedId 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " firstId=" + firstId 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " viewTop=" + viewTop 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " position=" + position 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " height=" + height 1663f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " filter=" + filter 1664f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " checkState=" + checkState + "}"; 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<SavedState>() { 16698fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState createFromParcel(Parcel in) { 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState(in); 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16748fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState[] newArray(int size) { 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState[size]; 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parcelable onSaveInstanceState() { 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This doesn't really make sense as the place to dismiss the 1685f993ad5b89a8aa47fcbc7494811f45bb74cb8713Romain Guy * popups, but there don't seem to be any other useful hooks 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that happen early enough to keep from getting complaints 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about having leaked the window. 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable superState = super.onSaveInstanceState(); 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = new SavedState(superState); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1695e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn if (mPendingSync != null) { 1696e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn // Just keep what we last restored. 1697e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.selectedId = mPendingSync.selectedId; 1698e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.firstId = mPendingSync.firstId; 1699e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.viewTop = mPendingSync.viewTop; 1700e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.position = mPendingSync.position; 1701e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.height = mPendingSync.height; 1702e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.filter = mPendingSync.filter; 1703e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.inActionMode = mPendingSync.inActionMode; 1704e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.checkedItemCount = mPendingSync.checkedItemCount; 1705e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.checkState = mPendingSync.checkState; 1706e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn ss.checkIdState = mPendingSync.checkIdState; 1707e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn return ss; 1708e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn } 1709e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn 171099441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn boolean haveChildren = getChildCount() > 0 && mItemCount > 0; 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId = getSelectedItemId(); 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.selectedId = selectedId; 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.height = getHeight(); 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedId >= 0) { 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the selection 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = mSelectedTop; 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = getSelectedItemPosition(); 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17217becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn if (haveChildren && mFirstPosition > 0) { 17227becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // Remember the position of the first child. 17237becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // We only do this if we are not currently at the top of 17247becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // the list, for two reasons: 17257becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (1) The list may be in the process of becoming empty, in 17267becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // which case mItemCount may not be 0, but if we try to 17277becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // ask for any information about position 0 we will crash. 17287becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (2) Being "at the top" seems like a special case, anyway, 17297becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // and the user wouldn't expect to end up somewhere else when 17307becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // they revisit the list even if its content has changed. 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(0); 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = v.getTop(); 173399441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn int firstPos = mFirstPosition; 173499441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn if (firstPos >= mItemCount) { 173599441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn firstPos = mItemCount - 1; 173699441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn } 173799441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.position = firstPos; 173899441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.firstId = mAdapter.getItemId(firstPos); 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = 0; 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = 0; 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = null; 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final EditText textFilter = mTextFilter; 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textFilter != null) { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Editable filterText = textFilter.getText(); 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filterText != null) { 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = filterText.toString(); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1757a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell ss.inActionMode = mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null; 1758a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 17599a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell if (mCheckStates != null) { 17609a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell ss.checkState = mCheckStates.clone(); 17619a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell } 17629a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell if (mCheckedIdStates != null) { 176314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final LongSparseArray<Integer> idState = new LongSparseArray<Integer>(); 17649a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell final int count = mCheckedIdStates.size(); 17659a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell for (int i = 0; i < count; i++) { 17669a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell idState.put(mCheckedIdStates.keyAt(i), mCheckedIdStates.valueAt(i)); 17679a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell } 17689a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell ss.checkIdState = idState; 17699a5cc2810bbbcb0eab4579aa4131039820d92101Adam Powell } 17702614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell ss.checkedItemCount = mCheckedItemCount; 1771f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1772335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen if (mRemoteAdapter != null) { 1773335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen mRemoteAdapter.saveRemoteViewsCache(); 1774335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen } 1775335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ss; 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onRestoreInstanceState(Parcelable state) { 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = (SavedState) state; 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(ss.getSuperState()); 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncHeight = ss.height; 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ss.selectedId >= 0) { 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 1790e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = ss; 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.selectedId; 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_SELECTED_POSITION; 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ss.firstId >= 0) { 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do this before setting mNeedSync since setNextSelectedPosition looks at mNeedSync 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 1799079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 1801e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = ss; 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.firstId; 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_FIRST_POSITION; 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFilterText(ss.filter); 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1810f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkState != null) { 1811f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = ss.checkState; 1812f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1813f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1814f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkIdState != null) { 1815f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = ss.checkIdState; 1816f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1817f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 18182614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell mCheckedItemCount = ss.checkedItemCount; 18192614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell 1820a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell if (ss.inActionMode && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && 1821a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mMultiChoiceModeCallback != null) { 1822a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 1823a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell } 1824a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean acceptFilter() { 1829d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy return mTextFilterEnabled && getAdapter() instanceof Filterable && 1830d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy ((Filterable) getAdapter()).getFilter() != null; 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the initial value for the text filter. 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filterText The text to use for the filter. 18360a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilterText(String filterText) { 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: Should we check for acceptFilter()? 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && !TextUtils.isEmpty(filterText)) { 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(false); 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is going to call our listener onTextChanged, but we might not 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be ready to bring up a window yet 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(filterText); 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setSelection(filterText.length()); 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if mPopup is non-null, then onTextChanged will do the filtering 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(filterText); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set filtered to true so we will display the filter window when our main 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window is ready 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObserver.clearSavedState(); 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18620a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Returns the list's text filter, if available. 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the list's text filter or null if filtering isn't enabled 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTextFilter() { 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && mTextFilter != null) { 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilter.getText(); 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18710a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gainFocus && mSelectedPosition < 0 && !isInTouchMode()) { 1876b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell if (!mIsAttached && mAdapter != null) { 1877b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell // Data may have changed while we were detached and it's valid 1878b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell // to change focus while detached. Refresh so we don't die. 1879b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mDataChanged = true; 1880b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mOldItemCount = mItemCount; 1881b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mItemCount = mAdapter.getCount(); 1882b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell } 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestLayout() { 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBlockLayoutRequests && !mInLayout) { 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.requestLayout(); 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list is empty. Clear everything out. 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void resetList() { 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstPosition = 0; 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = false; 1901161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = null; 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 1903e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = null; 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedPosition = INVALID_POSITION; 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedRowId = INVALID_ROW_ID; 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 1909079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.setEmpty(); 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollExtent() { 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extent = count * 100; 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getChildAt(0); 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent += (top * 100) / height; 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = getChildAt(count - 1); 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = view.getBottom(); 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = view.getHeight(); 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent -= ((bottom - getHeight()) * 100) / height; 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extent; 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollOffset() { 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition >= 0 && childCount > 0) { 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(0); 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 19530b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return Math.max(firstPosition * 100 - (top * 100) / height + 19540b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell (int)((float)mScrollY / getHeight() * mItemCount * 100), 0); 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mItemCount; 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition == 0) { 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (firstPosition + childCount == count) { 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count; 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = firstPosition + childCount / 2; 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) (firstPosition + childCount * (index / (float) count)); 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollRange() { 19740b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell int result; 19750b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (mSmoothScrollbarEnabled) { 19760b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = Math.max(mItemCount * 100, 0); 1977637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 1978637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Compensate for overscroll 1979637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell result += Math.abs((int) ((float) mScrollY / getHeight() * mItemCount * 100)); 1980637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 19810b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } else { 19820b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = mItemCount; 19830b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 19840b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return result; 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getTopFadingEdgeStrength() { 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getTopFadingEdgeStrength(); 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition > 0) { 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = getChildAt(0).getTop(); 19998fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final float fadeLength = getVerticalFadingEdgeLength(); 20008fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette return top < mPaddingTop ? -(top - mPaddingTop) / fadeLength : fadeEdge; 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getBottomFadingEdgeStrength() { 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getBottomFadingEdgeStrength(); 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition + count - 1 < mItemCount - 1) { 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = getChildAt(count - 1).getBottom(); 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight(); 20178fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final float fadeLength = getVerticalFadingEdgeLength(); 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bottom > height - mPaddingBottom ? 20198fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette (bottom - height + mPaddingBottom) / fadeLength : fadeEdge; 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector == null) { 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useDefaultSelector(); 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.left = mSelectionLeftPadding + mPaddingLeft; 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.top = mSelectionTopPadding + mPaddingTop; 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.right = mSelectionRightPadding + mPaddingRight; 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.bottom = mSelectionBottomPadding + mPaddingBottom; 2033da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 2034da13dbae6fe0619101433ac861da460b8be63a36Adam Powell // Check if our previous measured size was at a point where we should scroll later. 2035da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 2036da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int childCount = getChildCount(); 2037ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell final int listBottom = getHeight() - getPaddingBottom(); 2038da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final View lastChild = getChildAt(childCount - 1); 2039da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 2040ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell mForceTranscriptScroll = mFirstPosition + childCount >= mLastHandledItemCount && 2041da13dbae6fe0619101433ac861da460b8be63a36Adam Powell lastBottom <= listBottom; 2042da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2045d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 2046d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses should NOT override this method but 2047d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * {@link #layoutChildren()} instead. 2048d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onLayout(boolean changed, int l, int t, int r, int b) { 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onLayout(changed, l, t, r, b); 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = true; 2053f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (changed) { 2054f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell int childCount = getChildCount(); 2055f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < childCount; i++) { 2056f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell getChildAt(i).forceLayout(); 2057f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 2058f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell mRecycler.markChildrenDirty(); 2059f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 20600ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette 20612c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell if (mFastScroller != null && mItemCount != mOldItemCount) { 20622c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell mFastScroller.onItemCountChanged(mOldItemCount, mItemCount); 20632c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell } 2064f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = false; 2067637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2068637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollMax = (b - t) / OVERSCROLL_LIMIT_DIVISOR; 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int left, int top, int right, int bottom) { 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean changed = super.setFrame(left, top, right, bottom); 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2078d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (changed) { 2079d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Reposition the popup when the frame has changed. This includes 2080d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // translating the widget, not just changing its dimension. The 2081d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // filter popup needs to follow the widget. 2082d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy final boolean visible = getWindowVisibility() == View.VISIBLE; 2083d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mFiltered && visible && mPopup != null && mPopup.isShowing()) { 2084d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy positionPopup(); 2085d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2091d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 2092d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses must override this method to layout their children. 2093d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void layoutChildren() { 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void updateScrollIndicators() { 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollUp != null) { 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollUp; 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0th element is not visible 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = mFirstPosition > 0; 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or top of 0th element is not visible 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollUp) { 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(0); 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = child.getTop() < mListPadding.top; 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp.setVisibility(canScrollUp ? View.VISIBLE : View.INVISIBLE); 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollDown != null) { 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollDown; 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = getChildCount(); 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Last item is not visible 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = (mFirstPosition + count) < mItemCount; 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or bottom of the last element is not visible 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollDown && count > 0) { 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(count - 1); 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = child.getBottom() > mBottom - mListPadding.bottom; 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown.setVisibility(canScrollDown ? View.VISIBLE : View.INVISIBLE); 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getSelectedView() { 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mItemCount > 0 && mSelectedPosition >= 0) { 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildAt(mSelectedPosition - mFirstPosition); 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingTop() 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The top list padding. 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingTop() { 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.top; 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingBottom() 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The bottom list padding. 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingBottom() { 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.bottom; 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingLeft() 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The left list padding. 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingLeft() { 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.left; 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingRight() 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The right list padding. 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingRight() { 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.right; 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a view and have it show the data associated with the specified 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * position. This is called when we have already discovered that the view is 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not available for reuse in the recycle bin. The only choices left are 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * converting an old view or making a new one. 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to display 219621875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * @param isScrap Array of at least 1 boolean, the first entry will become true if 219721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * the returned view was taken from the scrap heap, false if otherwise. 21984e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view displaying the data associated with the specified position 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 220121875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy View obtainView(int position, boolean[] isScrap) { 22025fade8c69aef621312232ef0647502d7a63990b9Romain Guy Trace.traceBegin(Trace.TRACE_TAG_VIEW, "obtainView"); 22035fade8c69aef621312232ef0647502d7a63990b9Romain Guy 220421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy isScrap[0] = false; 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View scrapView; 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2207539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell scrapView = mRecycler.getTransientStateView(position); 2208539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (scrapView != null) { 2209539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell return scrapView; 2210539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 2211539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapView = mRecycler.getScrapView(position); 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child; 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scrapView != null) { 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, scrapView, this); 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22184213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov if (child.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 22194213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov child.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 22204213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov } 22214213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != scrapView) { 2223079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(scrapView, position); 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 222721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy } else { 2228a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy isScrap[0] = true; 2229a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy child.dispatchFinishTemporaryDetach(); 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, null, this); 22334213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 22344213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov if (child.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 22354213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov child.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 22364213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov } 22374213804541a8b05cd0587b138a2fd9a3b7fd9350Svetoslav Ganov 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2243aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell if (mAdapterHasStableIds) { 2244aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell final ViewGroup.LayoutParams vlp = child.getLayoutParams(); 2245aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell LayoutParams lp; 2246aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell if (vlp == null) { 2247aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp = (LayoutParams) generateDefaultLayoutParams(); 2248aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } else if (!checkLayoutParams(vlp)) { 2249aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp = (LayoutParams) generateLayoutParams(vlp); 2250aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } else { 2251aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp = (LayoutParams) vlp; 2252aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } 2253aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell lp.itemId = mAdapter.getItemId(position); 2254aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell child.setLayoutParams(lp); 2255aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } 2256aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell 2257c1d7e770e123adfa992d013fa294693d077cbc78alanv if (AccessibilityManager.getInstance(mContext).isEnabled()) { 2258c1d7e770e123adfa992d013fa294693d077cbc78alanv if (mAccessibilityDelegate == null) { 2259c1d7e770e123adfa992d013fa294693d077cbc78alanv mAccessibilityDelegate = new ListItemAccessibilityDelegate(); 2260c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2261b72fe7a2635906d6244efedfe302c2c46e564803alanv if (child.getAccessibilityDelegate() == null) { 2262b72fe7a2635906d6244efedfe302c2c46e564803alanv child.setAccessibilityDelegate(mAccessibilityDelegate); 2263b72fe7a2635906d6244efedfe302c2c46e564803alanv } 2264c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2265c1d7e770e123adfa992d013fa294693d077cbc78alanv 22665fade8c69aef621312232ef0647502d7a63990b9Romain Guy Trace.traceEnd(Trace.TRACE_TAG_VIEW); 22675fade8c69aef621312232ef0647502d7a63990b9Romain Guy 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return child; 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2271c1d7e770e123adfa992d013fa294693d077cbc78alanv class ListItemAccessibilityDelegate extends AccessibilityDelegate { 2272c1d7e770e123adfa992d013fa294693d077cbc78alanv @Override 227350776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov public AccessibilityNodeInfo createAccessibilityNodeInfo(View host) { 227450776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // If the data changed the children are invalid since the data model changed. 227550776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // Hence, we pretend they do not exist. After a layout the children will sync 227650776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // with the model at which point we notify that the accessibility state changed, 227750776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov // so a service will be able to re-fetch the views. 227850776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov if (mDataChanged) { 227950776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov return null; 228050776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov } 228150776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov return super.createAccessibilityNodeInfo(host); 228250776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov } 228350776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov 228450776863a2a2ed6e4015edc60bacd4f562a907eeSvetoslav Ganov @Override 2285c1d7e770e123adfa992d013fa294693d077cbc78alanv public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) { 2286c1d7e770e123adfa992d013fa294693d077cbc78alanv super.onInitializeAccessibilityNodeInfo(host, info); 2287c1d7e770e123adfa992d013fa294693d077cbc78alanv 2288c1d7e770e123adfa992d013fa294693d077cbc78alanv final int position = getPositionForView(host); 22899c3e0e68260fe50456996d75304b73054cbde94aalanv final ListAdapter adapter = getAdapter(); 22909c3e0e68260fe50456996d75304b73054cbde94aalanv 22919c3e0e68260fe50456996d75304b73054cbde94aalanv if ((position == INVALID_POSITION) || (adapter == null)) { 22929c3e0e68260fe50456996d75304b73054cbde94aalanv return; 22939c3e0e68260fe50456996d75304b73054cbde94aalanv } 2294c1d7e770e123adfa992d013fa294693d077cbc78alanv 22959c3e0e68260fe50456996d75304b73054cbde94aalanv if (!isEnabled() || !adapter.isEnabled(position)) { 2296c1d7e770e123adfa992d013fa294693d077cbc78alanv return; 2297c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2298c1d7e770e123adfa992d013fa294693d077cbc78alanv 22999c3e0e68260fe50456996d75304b73054cbde94aalanv if (position == getSelectedItemPosition()) { 23009c3e0e68260fe50456996d75304b73054cbde94aalanv info.setSelected(true); 23019c3e0e68260fe50456996d75304b73054cbde94aalanv info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_SELECTION); 23029c3e0e68260fe50456996d75304b73054cbde94aalanv } else { 23039c3e0e68260fe50456996d75304b73054cbde94aalanv info.addAction(AccessibilityNodeInfo.ACTION_SELECT); 23049c3e0e68260fe50456996d75304b73054cbde94aalanv } 23059c3e0e68260fe50456996d75304b73054cbde94aalanv 23069c3e0e68260fe50456996d75304b73054cbde94aalanv if (isClickable()) { 2307c1d7e770e123adfa992d013fa294693d077cbc78alanv info.addAction(AccessibilityNodeInfo.ACTION_CLICK); 2308c1d7e770e123adfa992d013fa294693d077cbc78alanv info.setClickable(true); 2309c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2310c1d7e770e123adfa992d013fa294693d077cbc78alanv 23119c3e0e68260fe50456996d75304b73054cbde94aalanv if (isLongClickable()) { 2312c1d7e770e123adfa992d013fa294693d077cbc78alanv info.addAction(AccessibilityNodeInfo.ACTION_LONG_CLICK); 2313c1d7e770e123adfa992d013fa294693d077cbc78alanv info.setLongClickable(true); 2314c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2315c1d7e770e123adfa992d013fa294693d077cbc78alanv 2316c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2317c1d7e770e123adfa992d013fa294693d077cbc78alanv 2318c1d7e770e123adfa992d013fa294693d077cbc78alanv @Override 2319c1d7e770e123adfa992d013fa294693d077cbc78alanv public boolean performAccessibilityAction(View host, int action, Bundle arguments) { 2320fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (super.performAccessibilityAction(host, action, arguments)) { 2321fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov return true; 2322fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 2323fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov 2324c1d7e770e123adfa992d013fa294693d077cbc78alanv final int position = getPositionForView(host); 23259c3e0e68260fe50456996d75304b73054cbde94aalanv final ListAdapter adapter = getAdapter(); 2326c1d7e770e123adfa992d013fa294693d077cbc78alanv 23279c3e0e68260fe50456996d75304b73054cbde94aalanv if ((position == INVALID_POSITION) || (adapter == null)) { 23289c3e0e68260fe50456996d75304b73054cbde94aalanv // Cannot perform actions on invalid items. 2329c1d7e770e123adfa992d013fa294693d077cbc78alanv return false; 2330c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2331c1d7e770e123adfa992d013fa294693d077cbc78alanv 23329c3e0e68260fe50456996d75304b73054cbde94aalanv if (!isEnabled() || !adapter.isEnabled(position)) { 23339c3e0e68260fe50456996d75304b73054cbde94aalanv // Cannot perform actions on disabled items. 2334fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov return false; 2335fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } 2336fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov 2337c1d7e770e123adfa992d013fa294693d077cbc78alanv final long id = getItemIdAtPosition(position); 2338c1d7e770e123adfa992d013fa294693d077cbc78alanv 2339c1d7e770e123adfa992d013fa294693d077cbc78alanv switch (action) { 23409c3e0e68260fe50456996d75304b73054cbde94aalanv case AccessibilityNodeInfo.ACTION_CLEAR_SELECTION: { 23419c3e0e68260fe50456996d75304b73054cbde94aalanv if (getSelectedItemPosition() == position) { 23429c3e0e68260fe50456996d75304b73054cbde94aalanv setSelection(INVALID_POSITION); 23439c3e0e68260fe50456996d75304b73054cbde94aalanv return true; 23449c3e0e68260fe50456996d75304b73054cbde94aalanv } 23459c3e0e68260fe50456996d75304b73054cbde94aalanv } return false; 2346fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov case AccessibilityNodeInfo.ACTION_SELECT: { 23479c3e0e68260fe50456996d75304b73054cbde94aalanv if (getSelectedItemPosition() != position) { 23489c3e0e68260fe50456996d75304b73054cbde94aalanv setSelection(position); 23499c3e0e68260fe50456996d75304b73054cbde94aalanv return true; 23509c3e0e68260fe50456996d75304b73054cbde94aalanv } 23519c3e0e68260fe50456996d75304b73054cbde94aalanv } return false; 2352fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov case AccessibilityNodeInfo.ACTION_CLICK: { 2353fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isClickable()) { 2354c1d7e770e123adfa992d013fa294693d077cbc78alanv return performItemClick(host, position, id); 2355c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2356fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } return false; 2357fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov case AccessibilityNodeInfo.ACTION_LONG_CLICK: { 2358fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov if (isLongClickable()) { 2359c1d7e770e123adfa992d013fa294693d077cbc78alanv return performLongPress(host, position, id); 2360c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2361fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov } return false; 2362c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2363c1d7e770e123adfa992d013fa294693d077cbc78alanv 2364fb1e80a247221ee7e8f5c5deba04812021d9d07eSvetoslav Ganov return false; 2365c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2366c1d7e770e123adfa992d013fa294693d077cbc78alanv } 2367c1d7e770e123adfa992d013fa294693d077cbc78alanv 2368079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void positionSelector(int position, View sel) { 2369079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (position != INVALID_POSITION) { 2370079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = position; 2371079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2372079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect selectorRect = mSelectorRect; 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.set(sel.getLeft(), sel.getTop(), sel.getRight(), sel.getBottom()); 2375e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (sel instanceof SelectionBoundsAdjuster) { 2376e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn ((SelectionBoundsAdjuster)sel).adjustListItemSelectionBounds(selectorRect); 2377e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(selectorRect.left, selectorRect.top, selectorRect.right, 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.bottom); 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean isChildViewEnabled = mIsChildViewEnabled; 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sel.isEnabled() != isChildViewEnabled) { 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsChildViewEnabled = !isChildViewEnabled; 2384a79f4b7df9d6d80b9371ba289040a60fa93bb87cJason Bayer if (getSelectedItemPosition() != INVALID_POSITION) { 2385079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn refreshDrawableState(); 2386079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void positionSelector(int l, int t, int r, int b) { 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.set(l - mSelectionLeftPadding, t - mSelectionTopPadding, r 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mSelectionRightPadding, b + mSelectionBottomPadding); 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~CLIP_TO_PADDING_MASK; 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawSelectorOnTop = mDrawSelectorOnTop; 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!drawSelectorOnTop) { 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDraw(canvas); 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (drawSelectorOnTop) { 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= CLIP_TO_PADDING_MASK; 24239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 242720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected boolean isPaddingOffsetRequired() { 242820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) != CLIP_TO_PADDING_MASK; 242920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 243020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 243120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 243220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getLeftPaddingOffset() { 243320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingLeft; 243420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 243520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 243620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 243720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getTopPaddingOffset() { 243820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingTop; 243920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 244020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 244120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 244220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getRightPaddingOffset() { 244320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingRight; 244420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 244520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 244620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 244720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getBottomPaddingOffset() { 244820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingBottom; 244920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 245020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 245120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 24529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSizeChanged(int w, int h, int oldw, int oldh) { 24539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2457d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onSizeChanged(w, h, oldw, oldh); 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the current touch mode requires that we draw the selector in the pressed 24659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean touchModeDrawsInPressedState() { 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME use isPressed for this 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this view is in a state where the selector should be drawn. This will 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen if we have focus but are not in touch mode, or we are in the middle of displaying 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pressed state for an item. 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the selector should be shown 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean shouldShowSelector() { 248674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette return (!isInTouchMode()) || (touchModeDrawsInPressedState() && isPressed()); 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void drawSelector(Canvas canvas) { 2490079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (!mSelectorRect.isEmpty()) { 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable selector = mSelector; 24929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.setBounds(mSelectorRect); 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.draw(canvas); 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls whether the selection highlight drawable should be drawn on top of the item or 24999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * behind it. 25009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onTop If true, the selector will be drawn on the item it is highlighting. The default 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is false. 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 25059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawSelectorOnTop(boolean onTop) { 25079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = onTop; 25089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a Drawable that should be used to highlight the currently selected item. 25129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resID A Drawable resource to use as the selection highlight. 25149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 25169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(int resID) { 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable(resID)); 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(Drawable sel) { 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector.setCallback(null); 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mSelector); 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector = sel; 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect padding = new Rect(); 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.getPadding(padding); 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionLeftPadding = padding.left; 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionTopPadding = padding.top; 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionRightPadding = padding.right; 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionBottomPadding = padding.bottom; 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.setCallback(this); 2534079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the selector {@link android.graphics.drawable.Drawable} that is used to draw the 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * selection in the list. 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the drawable used to display the selector 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getSelector() { 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector; 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the selector state to "pressed" and posts a CheckForKeyLongPress to see if 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is a long press. 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void keyPressed() { 2552df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (!isEnabled() || !isClickable()) { 2553df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return; 2554df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2555df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 25569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable selector = mSelector; 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect selectorRect = mSelectorRect; 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selector != null && (isFocused() || touchModeDrawsInPressedState()) 2559079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn && !selectorRect.isEmpty()) { 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(mSelectedPosition - mFirstPosition); 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2563ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v != null) { 2564ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v.hasFocusable()) return; 2565ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project v.setPressed(true); 2566ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = selector.getCurrent(); 25719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 25729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 2573df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ((TransitionDrawable) d).startTransition( 2574df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ViewConfiguration.getLongPressTimeout()); 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable && !mDataChanged) { 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForKeyLongPress == null) { 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress = new CheckForKeyLongPress(); 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress.rememberWindowAttachCount(); 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForKeyLongPress, ViewConfiguration.getLongPressTimeout()); 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollIndicators(View up, View down) { 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp = up; 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown = down; 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2594079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void updateSelectorState() { 2595079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mSelector != null) { 2596079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (shouldShowSelector()) { 2597079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(getDrawableState()); 2598079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 2599079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(StateSet.NOTHING); 2600079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2601079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2602079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2603079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 2607079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child view is enabled then do the default behavior. 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsChildViewEnabled) { 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Common case 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The selector uses this View's drawable state. The selected child view 26199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is disabled, so we need to remove the enabled state from the drawable 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // states. 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int enabledState = ENABLED_STATE_SET[0]; 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we don't have any extra space, it will return one of the static state arrays, 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and clearing the enabled state on those arrays is a bad thing! If we specify 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we need extra space, it will create+copy into a new array that safely mutable. 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + 1); 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int enabledPos = -1; 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = state.length - 1; i >= 0; i--) { 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state[i] == enabledState) { 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enabledPos = i; 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the enabled state 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabledPos >= 0) { 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(state, enabledPos + 1, state, enabledPos, 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.length - enabledPos - 1); 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26400a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean verifyDrawable(Drawable dr) { 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector == dr || super.verifyDrawable(dr); 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2650e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void jumpDrawablesToCurrentState() { 2651e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn super.jumpDrawablesToCurrentState(); 2652e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (mSelector != null) mSelector.jumpToCurrentState(); 2653e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 2654e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 2655e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn @Override 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 26600e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.addOnTouchModeChangeListener(this); 26610e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne if (mTextFilterEnabled && mPopup != null && !mGlobalLayoutListenerAddedFilter) { 26620e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.addOnGlobalLayoutListener(this); 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26644e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 266582afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null && mDataSetObserver == null) { 266682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = new AdapterDataSetObserver(); 266782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.registerDataSetObserver(mDataSetObserver); 26686a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell 26696a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell // Data may have changed while we were detached. Refresh. 26706a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mDataChanged = true; 26716a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mOldItemCount = mItemCount; 26726a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mItemCount = mAdapter.getCount(); 267382afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 2674b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mIsAttached = true; 26759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 26799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26811f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy // Dismiss the popup in case onSaveInstanceState() was not invoked 26821f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy dismissPopup(); 26831f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy 268421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy // Detach any view left in the scrap heap 268521875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy mRecycler.clear(); 268621875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 26880e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.removeOnTouchModeChangeListener(this); 26890e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne if (mTextFilterEnabled && mPopup != null) { 26909d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy treeObserver.removeOnGlobalLayoutListener(this); 26910e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne mGlobalLayoutListenerAddedFilter = false; 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 269382afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy 2694bd1dd0d51ae07f4fc5de5ec0004e7e40ed205022Adam Powell if (mAdapter != null && mDataSetObserver != null) { 269582afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.unregisterDataSetObserver(mDataSetObserver); 269682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = null; 269782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 26981cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 26991cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan != null) { 27001cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan.finish(); 27011cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = null; 27021cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 27031cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 27041cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan != null) { 27051cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan.finish(); 27061cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = null; 27071cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 2708d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2709d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mFlingRunnable != null) { 2710d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mFlingRunnable); 2711d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2712d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2713d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPositionScroller != null) { 27144032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 2715d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2716d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2717d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mClearScrollingCache != null) { 2718d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mClearScrollingCache); 2719d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2720d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2721d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPerformClick != null) { 2722d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mPerformClick); 2723d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2724d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2725d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mTouchModeReset != null) { 2726d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mTouchModeReset); 2727a607223f34d436619132597bc0174223a6611bbbSangkyu Lee mTouchModeReset.run(); 2728d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2729b3750133db256ffa5956c8836bc86c3c22918cb1Adam Powell mIsAttached = false; 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onWindowFocusChanged(boolean hasWindowFocus) { 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onWindowFocusChanged(hasWindowFocus); 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int touchMode = isInTouchMode() ? TOUCH_MODE_ON : TOUCH_MODE_OFF; 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!hasWindowFocus) { 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 2740670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner if (mFlingRunnable != null) { 2741670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner removeCallbacks(mFlingRunnable); 2742670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // let the fling runnable report it's new state which 2743670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // should be idle 2744670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner mFlingRunnable.endFling(); 27454032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 27464032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 27474032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2748458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mScrollY != 0) { 2749458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollY = 0; 27500fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentCaches(); 2751637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 2752458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 2753458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2754670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner } 27559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Always hide the type filter 27569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the last selected element 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mSelectedPosition; 27619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 276397566043afdb714fd4eea6bb22898964e95f16bcAdam Powell if (mFiltered && !mPopupHidden) { 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the type filter only if a filter is in effect 27659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 27669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we changed touch mode since the last time we had focus 27699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode != mLastTouchMode && mLastTouchMode != TOUCH_MODE_UNKNOWN) { 27709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in trackball mode, we bring the selection back 27719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 27729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This will trigger a layout 27739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 27749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in touch mode, then we want to hide the selector 27769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 27779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 27789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 27799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 27809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastTouchMode = touchMode; 27859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27873a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio @Override 27883a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio public void onRtlPropertiesChanged(int layoutDirection) { 27893a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio super.onRtlPropertiesChanged(layoutDirection); 27903a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio 27913a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio if (mFastScroller != null) { 27923a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio mFastScroller.setScrollbarPosition(getVerticalScrollbarPosition()); 27933a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio } 27943a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio } 27953a1f1e5beaceeca5a53353fc9896202a9cfabf91Fabrice Di Meglio 27969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the ContextMenuInfo returned from {@link #getContextMenuInfo()}. This 27989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods knows the view, position and ID of the item that received the 27999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * long press. 28009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view that received the long press. 28029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position of the item that received the long press. 28039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param id The ID of the item that received the long press. 28049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The extra information that should be returned by 28059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getContextMenuInfo()}. 28069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContextMenuInfo createContextMenuInfo(View view, int position, long id) { 28089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AdapterContextMenuInfo(view, position, id); 28099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for Runnables that will check that their view is still attached to 28139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original window as when the Runnable was created. 28149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class WindowRunnnable { 28179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOriginalAttachCount; 28180a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 28199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rememberWindowAttachCount() { 28209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOriginalAttachCount = getWindowAttachCount(); 28219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28220a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 28239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean sameWindow() { 282429219d963d1ec29ddea3e5814eb82c2aeaccc1acCraig Mautner return getWindowAttachCount() == mOriginalAttachCount; 28259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28270a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 28289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class PerformClick extends WindowRunnnable implements Runnable { 28299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mClickMotionPosition; 28309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28318fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 28329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 28339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The data has changed since we posted this action in the event queue, 28349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bail out before bad things happen 28359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataChanged) return; 28369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2837005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final ListAdapter adapter = mAdapter; 2838005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final int motionPosition = mClickMotionPosition; 2839005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (adapter != null && mItemCount > 0 && 2840005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition != INVALID_POSITION && 2841005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition < adapter.getCount() && sameWindow()) { 28427890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy final View view = getChildAt(motionPosition - mFirstPosition); 28437890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy // If there is no view, something bad happened (the view scrolled off the 28447890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy // screen, etc.) and we should cancel the click 28457890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy if (view != null) { 28467890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy performItemClick(view, motionPosition, adapter.getItemId(motionPosition)); 28477890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy } 28489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForLongPress extends WindowRunnnable implements Runnable { 28538fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 28559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 28569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 28579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 28589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = mMotionPosition; 28599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(mMotionPosition); 28609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 28620a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy if (sameWindow() && !mDataChanged) { 28639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(child, longPressPosition, longPressId); 28649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 28669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 28679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 28689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 28699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 28709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 28719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28750a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 28769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForKeyLongPress extends WindowRunnnable implements Runnable { 28778fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 28789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 28799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPressed() && mSelectedPosition >= 0) { 28809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = mSelectedPosition - mFirstPosition; 28819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(index); 28829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 28849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 28859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sameWindow()) { 28869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(v, mSelectedPosition, mSelectedRowId); 28879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 28899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 28909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setPressed(false); 28919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 28939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 28949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) v.setPressed(false); 28959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29008350f7dbc3a62211b2891f35911e4073d24c4cc5Adam Powell boolean performLongPress(final View child, 29019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition, final long longPressId) { 2902f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // CHOICE_MODE_MULTIPLE_MODAL takes over long press. 2903f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 29041e83b3e6ab69456db5d308c12e367a5d7166610dAdam Powell if (mChoiceActionMode == null && 29051e83b3e6ab69456db5d308c12e367a5d7166610dAdam Powell (mChoiceActionMode = startActionMode(mMultiChoiceModeCallback)) != null) { 2906f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setItemChecked(longPressPosition, true); 29071e83b3e6ab69456db5d308c12e367a5d7166610dAdam Powell performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 2908f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 2909f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 2910f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 29119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2912f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 29139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 29149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, child, 29159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 29169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 29189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo(child, longPressPosition, longPressId); 29199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(AbsListView.this); 29209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 29229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 29239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 29259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 29289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ContextMenuInfo getContextMenuInfo() { 29299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContextMenuInfo; 29309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2932fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown /** @hide */ 2933fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown @Override 2934fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown public boolean showContextMenu(float x, float y, int metaState) { 2935fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown final int position = pointToPosition((int)x, (int)y); 2936fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown if (position != INVALID_POSITION) { 2937fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown final long id = mAdapter.getItemId(position); 2938fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown View child = getChildAt(position - mFirstPosition); 2939fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown if (child != null) { 2940fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown mContextMenuInfo = createContextMenuInfo(child, position, id); 2941fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown return super.showContextMenuForChild(AbsListView.this); 2942fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 2943fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 2944fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown return super.showContextMenu(x, y, metaState); 2945fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 2946fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown 29479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 29489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 29499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = getPositionForView(originalView); 29509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longPressPosition >= 0) { 29519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(longPressPosition); 29529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 29539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 29559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, originalView, 29569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 29579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 29599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo( 29609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChildAt(longPressPosition - mFirstPosition), 29619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 29629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(originalView); 29639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 29669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 29689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2971df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy public boolean onKeyDown(int keyCode, KeyEvent event) { 2972df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return false; 2973df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2974df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 2975df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy @Override 29769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(int keyCode, KeyEvent event) { 297724d36f592224d1316165f579bb0937df0bf42f7cMichael Wright if (KeyEvent.isConfirmKey(keyCode)) { 2978dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2979dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return true; 2980dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2981df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (isClickable() && isPressed() && 2982dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy mSelectedPosition >= 0 && mAdapter != null && 29839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition < mAdapter.getCount()) { 2984dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 29859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(mSelectedPosition - mFirstPosition); 298645b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy if (view != null) { 298745b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy performItemClick(view, mSelectedPosition, mSelectedRowId); 298845b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy view.setPressed(false); 298945b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy } 29909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 29919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 29929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyUp(keyCode, event); 29959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 29989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 29999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch setPressed to our children. We call setPressed on ourselves to 30009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the selector in the right state, but we don't want to press each child. 30019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a position in the list. 30059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 30079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 30089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The position of the item which contains the specified point, or 30099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #INVALID_POSITION} if the point does not intersect an item. 30109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int pointToPosition(int x, int y) { 30129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect frame = mTouchFrame; 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame == null) { 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchFrame = new Rect(); 30159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frame = mTouchFrame; 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 30199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 30209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 30219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == View.VISIBLE) { 30229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 30239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(x, y)) { 30249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFirstPosition + i; 30259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_POSITION; 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a the rowId of the item which intersects that point. 30349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The rowId of the item which contains the specified point, or {@link #INVALID_ROW_ID} 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the point does not intersect an item. 30399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long pointToRowId(int x, int y) { 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = pointToPosition(x, y); 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position >= 0) { 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAdapter.getItemId(position); 30449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_ROW_ID; 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckForTap implements Runnable { 30498fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 30509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 30519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN) { 30529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_TAP; 30539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(mMotionPosition - mFirstPosition); 30549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 30559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 30569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 30589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 30599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 3060079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn layoutChildren(); 3061079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mMotionPosition, child); 3062e0fd2eb2f143b2776b5e1a4e88144fddadd149b1Adam Powell refreshDrawableState(); 30639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressTimeout = ViewConfiguration.getLongPressTimeout(); 30659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 30669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 30689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 30699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 30709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).startTransition(longPressTimeout); 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 30739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 30749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 30799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForLongPress == null) { 30809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress = new CheckForLongPress(); 30819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress.rememberWindowAttachCount(); 30839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForLongPress, longPressTimeout); 30849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 30859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 30869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 30880a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy mTouchMode = TOUCH_MODE_DONE_WAITING; 30899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown private boolean startScrollIfNeeded(int y) { 30969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 30979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 309878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int deltaY = y - mMotionY; 30999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int distance = Math.abs(deltaY); 3100637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final boolean overscroll = mScrollY != 0; 3101637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscroll || distance > mTouchSlop) { 31029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createScrollingCache(); 310378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overscroll) { 310478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_OVERSCROLL; 310578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionCorrection = 0; 310678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else { 310778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_SCROLL; 310878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionCorrection = deltaY > 0 ? mTouchSlop : -mTouchSlop; 310978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 311074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mPendingCheckForLongPress); 31119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 311274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final View motionView = getChildAt(mMotionPosition - mFirstPosition); 31139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (motionView != null) { 31149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project motionView.setPressed(false); 31159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 31179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Time to start stealing events! Once we've stolen them, don't let anyone 31189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // steal from us 311913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka final ViewParent parent = getParent(); 312013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (parent != null) { 312113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka parent.requestDisallowInterceptTouchEvent(true); 312213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 312378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown scrollIfNeeded(y); 31249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 31259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 31289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 313078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown private void scrollIfNeeded(int y) { 313178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int rawDeltaY = y - mMotionY; 313278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int deltaY = rawDeltaY - mMotionCorrection; 313378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 313478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 313578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mTouchMode == TOUCH_MODE_SCROLL) { 313678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (PROFILE_SCROLLING) { 313778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mScrollProfilingStarted) { 313878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown Debug.startMethodTracing("AbsListViewScroll"); 313978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mScrollProfilingStarted = true; 314078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 314178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 314278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 314378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mScrollStrictSpan == null) { 314478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // If it's non-null, we're already in a scroll. 314578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mScrollStrictSpan = StrictMode.enterCriticalSpan("AbsListView-scroll"); 314678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 314778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 314878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (y != mLastY) { 314978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // We may be here after stopping a fling and continuing to scroll. 315078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // If so, we haven't disallowed intercepting touch events yet. 315178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Make sure that we do so in case we're in a parent that can intercept. 315278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) == 0 && 315378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown Math.abs(rawDeltaY) > mTouchSlop) { 315478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final ViewParent parent = getParent(); 315578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (parent != null) { 315678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown parent.requestDisallowInterceptTouchEvent(true); 315778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 315878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 315978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 316078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int motionIndex; 316178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mMotionPosition >= 0) { 316278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionIndex = mMotionPosition - mFirstPosition; 316378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else { 316478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // If we don't have a motion position that we can reliably track, 316578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // pick something in the middle to make a best guess at things below. 316678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionIndex = getChildCount() / 2; 316778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 316878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 316978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int motionViewPrevTop = 0; 317078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown View motionView = this.getChildAt(motionIndex); 317178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (motionView != null) { 317278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionViewPrevTop = motionView.getTop(); 317378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 317478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 317578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // No need to do all this work if we're not going to move anyway 317678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown boolean atEdge = false; 317778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (incrementalDeltaY != 0) { 317878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown atEdge = trackMotionScroll(deltaY, incrementalDeltaY); 317978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 318078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 318178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Check to see if we have bumped into the scroll limit 318278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown motionView = this.getChildAt(motionIndex); 318378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (motionView != null) { 318478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Check if the top of the motion view is where it is 318578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // supposed to be 318678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int motionViewRealTop = motionView.getTop(); 318778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (atEdge) { 318878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Apply overscroll 318978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 319078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int overscroll = -incrementalDeltaY - 319178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown (motionViewRealTop - motionViewPrevTop); 319278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown overScrollBy(0, overscroll, 0, mScrollY, 0, 0, 319378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 0, mOverscrollDistance, true); 319478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (Math.abs(mOverscrollDistance) == Math.abs(mScrollY)) { 319578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Don't allow overfling if we're at the edge. 319678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mVelocityTracker != null) { 319778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mVelocityTracker.clear(); 319878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 319978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 320078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 320178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int overscrollMode = getOverScrollMode(); 320278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overscrollMode == OVER_SCROLL_ALWAYS || 320378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 320478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown !contentFits())) { 320578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mDirection = 0; // Reset when entering overscroll. 320678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_OVERSCROLL; 320778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (rawDeltaY > 0) { 320878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onPull((float) overscroll / getHeight()); 320978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowBottom.isFinished()) { 321078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onRelease(); 321178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3212a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowTop.getBounds(false)); 321378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else if (rawDeltaY < 0) { 321478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onPull((float) overscroll / getHeight()); 321578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowTop.isFinished()) { 321678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onRelease(); 321778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3218a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowBottom.getBounds(true)); 321978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 322078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 322178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 322278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionY = y; 322378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 322478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mLastY = y; 322578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 322678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else if (mTouchMode == TOUCH_MODE_OVERSCROLL) { 322778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (y != mLastY) { 322878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int oldScroll = mScrollY; 322978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int newScroll = oldScroll - incrementalDeltaY; 323078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int newDirection = y > mLastY ? 1 : -1; 323178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 323278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (mDirection == 0) { 323378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mDirection = newDirection; 323478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 323578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 323678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown int overScrollDistance = -incrementalDeltaY; 323778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if ((newScroll < 0 && oldScroll >= 0) || (newScroll > 0 && oldScroll <= 0)) { 323878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown overScrollDistance = -oldScroll; 323978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown incrementalDeltaY += overScrollDistance; 324078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else { 324178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown incrementalDeltaY = 0; 324278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 324378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 324478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overScrollDistance != 0) { 324578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown overScrollBy(0, overScrollDistance, 0, mScrollY, 0, 0, 324678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 0, mOverscrollDistance, true); 324778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int overscrollMode = getOverScrollMode(); 324878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (overscrollMode == OVER_SCROLL_ALWAYS || 324978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 325078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown !contentFits())) { 325178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (rawDeltaY > 0) { 325278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onPull((float) overScrollDistance / getHeight()); 325378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowBottom.isFinished()) { 325478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onRelease(); 325578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3256a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowTop.getBounds(false)); 325778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } else if (rawDeltaY < 0) { 325878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowBottom.onPull((float) overScrollDistance / getHeight()); 325978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (!mEdgeGlowTop.isFinished()) { 326078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mEdgeGlowTop.onRelease(); 326178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 3262a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowBottom.getBounds(true)); 326378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 326478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 326578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 326678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 326778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (incrementalDeltaY != 0) { 326878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // Coming back to 'real' list scrolling 32699d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mScrollY != 0) { 32709d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mScrollY = 0; 32719d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy invalidateParentIfNeeded(); 327278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 327378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 32749d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy trackMotionScroll(incrementalDeltaY, incrementalDeltaY); 32759d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy 327678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mTouchMode = TOUCH_MODE_SCROLL; 327778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 327878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // We did not scroll the full amount. Treat this essentially like the 327978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown // start of a new touch scroll 328078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown final int motionPosition = findClosestMotionRow(y); 328178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 328278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionCorrection = 0; 328378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown View motionView = getChildAt(motionPosition - mFirstPosition); 328478f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionViewOriginalTop = motionView != null ? motionView.getTop() : 0; 328578f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionY = y; 328678f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mMotionPosition = motionPosition; 328778f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 328878f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mLastY = y; 328978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown mDirection = newDirection; 329078f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 329178f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 329278f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown } 329378f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown 32948fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 32959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 32969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode) { 32979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get rid of the selection when we enter touch mode 32989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 32999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout, but only if we already have done so previously. 33009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (Otherwise may clobber a LAYOUT_SYNC layout that was requested to restore 33019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // state.) 33029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getHeight() > 0 && getChildCount() > 0) { 33039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We do not lose focus initiating a touch (since AbsListView is focusable in 33049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // touch mode). Force an initial layout to get rid of the selection. 33059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 33069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33071e20946aa34372de5585e2a8ce3b73906a2d828bJeff Brown updateSelectorState(); 3308637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3309637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int touchMode = mTouchMode; 3310637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERSCROLL || touchMode == TOUCH_MODE_OVERFLING) { 3311637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable != null) { 3312637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.endFling(); 3313637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 33144032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 33154032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 33164032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 3317637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3318637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 3319637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = 0; 33200fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentCaches(); 3321637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 3322637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3323637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3324637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 33259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 33299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 3330dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 3331dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // A disabled view that is clickable still consumes the touch 3332dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // events, it just doesn't respond to them. 3333dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return isClickable() || isLongClickable(); 3334dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 3335dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 33361fa179ef41c06bd19da70fd9bf95741238791940Adam Powell if (mPositionScroller != null) { 33371fa179ef41c06bd19da70fd9bf95741238791940Adam Powell mPositionScroller.stop(); 33381fa179ef41c06bd19da70fd9bf95741238791940Adam Powell } 33391fa179ef41c06bd19da70fd9bf95741238791940Adam Powell 334028048d011cb0887cd641977ca37e5f2fde04d191Adam Powell if (!mIsAttached) { 334128048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Something isn't right. 334228048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Since we rely on being attached to get data set change notifications, 334328048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // don't risk doing anything where we might try to resync and find things 334428048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // in a bogus state. 334528048d011cb0887cd641977ca37e5f2fde04d191Adam Powell return false; 334628048d011cb0887cd641977ca37e5f2fde04d191Adam Powell } 334728048d011cb0887cd641977ca37e5f2fde04d191Adam Powell 33489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 33499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onTouchEvent(ev); 33509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 33519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 33520a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy } 33539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 335482f3495b146b267f3786997752cef25310176349Romain Guy 335513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka initVelocityTrackerIfNotExists(); 33569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.addMovement(ev); 33579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33588fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int actionMasked = ev.getActionMasked(); 33598fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette switch (actionMasked) { 33608fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_DOWN: { 33618fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchDown(ev); 33628fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 33638fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 33649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33658fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_MOVE: { 33668fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchMove(ev); 33678fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 33688fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 33699d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell 33708fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_UP: { 33718fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchUp(ev); 33728fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 33738fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 3374e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 33758fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_CANCEL: { 33768fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onTouchCancel(); 33778fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 33788fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 3379e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 33808fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_POINTER_UP: { 33818fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette onSecondaryPointerUp(ev); 33828fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int x = mMotionX; 33838fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int y = mMotionY; 33848fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int motionPosition = pointToPosition(x, y); 33858fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette if (motionPosition >= 0) { 33868fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // Remember where the motion event started 33878fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final View child = getChildAt(motionPosition - mFirstPosition); 33888fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionViewOriginalTop = child.getTop(); 33898fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionPosition = motionPosition; 33908fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 33918fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mLastY = y; 33928fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 33939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3394fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown 33958fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case MotionEvent.ACTION_POINTER_DOWN: { 33968fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // New pointers take over dragging duties 33978fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int index = ev.getActionIndex(); 33988fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int id = ev.getPointerId(index); 33998fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int x = (int) ev.getX(index); 34008fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int y = (int) ev.getY(index); 34018fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionCorrection = 0; 34028fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mActivePointerId = id; 34038fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionX = x; 34048fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionY = y; 34058fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int motionPosition = pointToPosition(x, y); 34068fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette if (motionPosition >= 0) { 34078fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // Remember where the motion event started 34088fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final View child = getChildAt(motionPosition - mFirstPosition); 34098fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionViewOriginalTop = child.getTop(); 34108fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mMotionPosition = motionPosition; 34118fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette } 34128fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette mLastY = y; 34138fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 3414fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown } 3415e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 34169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3417e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette return true; 3418e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3419e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3420e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchDown(MotionEvent ev) { 34213d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mActivePointerId = ev.getPointerId(0); 34223d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 34233d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (mTouchMode == TOUCH_MODE_OVERFLING) { 34243d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // Stopped the fling. It is a scroll. 3425e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.endFling(); 3426e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mPositionScroller != null) { 3427e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPositionScroller.stop(); 3428e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3429e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_OVERSCROLL; 3430e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionX = (int) ev.getX(); 34313d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mMotionY = (int) ev.getY(); 34323d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mLastY = mMotionY; 3433e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionCorrection = 0; 3434e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mDirection = 0; 34353d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette } else { 3436e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int x = (int) ev.getX(); 3437e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int y = (int) ev.getY(); 3438e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette int motionPosition = pointToPosition(x, y); 34393d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3440e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (!mDataChanged) { 34413d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (mTouchMode == TOUCH_MODE_FLING) { 34423d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // Stopped a fling. It is a scroll. 34433d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette createScrollingCache(); 34443d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mTouchMode = TOUCH_MODE_SCROLL; 34453d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mMotionCorrection = 0; 34463d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette motionPosition = findMotionRow(y); 34473d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette mFlingRunnable.flywheelTouch(); 34483d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette } else if ((motionPosition >= 0) && getAdapter().isEnabled(motionPosition)) { 34493d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // User clicked on an actual view (and was not stopping a 34503d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // fling). It might be a click or a scroll. Assume it is a 34513d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette // click until proven otherwise. 3452e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_DOWN; 34533d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3454e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // FIXME Debounce 3455e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mPendingCheckForTap == null) { 3456e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPendingCheckForTap = new CheckForTap(); 3457e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 34583d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3459e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); 3460e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 34612585e9bd6ded294e426607717ccc85a56bade594Justin Koh } 34626f663c1a3c4d4a23bc71302add27b3d03d7d507bAdam Powell 3463e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (motionPosition >= 0) { 3464e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Remember where the motion event started 34653d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette final View v = getChildAt(motionPosition - mFirstPosition); 3466e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionViewOriginalTop = v.getTop(); 34676f663c1a3c4d4a23bc71302add27b3d03d7d507bAdam Powell } 34683d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette 3469e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionX = x; 3470e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionY = y; 3471e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mMotionPosition = motionPosition; 3472e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mLastY = Integer.MIN_VALUE; 3473e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 34746f663c1a3c4d4a23bc71302add27b3d03d7d507bAdam Powell 34753d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (performButtonActionOnTouchDown(ev) && (mTouchMode == TOUCH_MODE_DOWN)) { 34763d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette removeCallbacks(mPendingCheckForTap); 3477e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3478e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3479e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3480e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchMove(MotionEvent ev) { 3481e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette int pointerIndex = ev.findPointerIndex(mActivePointerId); 3482e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (pointerIndex == -1) { 3483e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette pointerIndex = 0; 3484e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mActivePointerId = ev.getPointerId(pointerIndex); 3485e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3486e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3487e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mDataChanged) { 3488e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Re-sync everything if data has been changed 3489e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // since the scroll operation can query the adapter. 3490e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette layoutChildren(); 3491e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3492e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 34938fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette final int y = (int) ev.getY(pointerIndex); 34948fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette 3495e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette switch (mTouchMode) { 34968fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_DOWN: 34978fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_TAP: 34988fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_DONE_WAITING: 34998fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette // Check if we have moved far enough that it looks more like a 350074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette // scroll than a tap. If so, we'll enter scrolling mode. 350174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (startScrollIfNeeded(y)) { 350274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette break; 350374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 350474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette // Otherwise, check containment within list bounds. If we're 350574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette // outside bounds, cancel any active presses. 35063d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette final float x = ev.getX(pointerIndex); 35073d15a2b8f43f5b184f8fdcd3661711111bcf4674Alan Viverette if (!pointInView(x, y, mTouchSlop)) { 350874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setPressed(false); 350974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final View motionView = getChildAt(mMotionPosition - mFirstPosition); 351074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (motionView != null) { 351174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette motionView.setPressed(false); 351274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 351374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 351474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mPendingCheckForTap : mPendingCheckForLongPress); 351574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_DONE_WAITING; 351674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette updateSelectorState(); 351774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 35188fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 35198fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_SCROLL: 35208fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette case TOUCH_MODE_OVERSCROLL: 35218fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette scrollIfNeeded(y); 35228fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette break; 35239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3524e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 35259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3526e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchUp(MotionEvent ev) { 3527e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette switch (mTouchMode) { 3528e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_DOWN: 3529e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_TAP: 3530e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_DONE_WAITING: 3531e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int motionPosition = mMotionPosition; 3532e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final View child = getChildAt(motionPosition - mFirstPosition); 353374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (child != null) { 3534e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mTouchMode != TOUCH_MODE_DOWN) { 3535e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette child.setPressed(false); 3536e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3537e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 353874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final float x = ev.getX(); 353974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final boolean inList = x > mListPadding.left && x < getWidth() - mListPadding.right; 354074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (inList && !child.hasFocusable()) { 354174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mPerformClick == null) { 354274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mPerformClick = new PerformClick(); 354374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 3544e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 354574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final AbsListView.PerformClick performClick = mPerformClick; 354674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.mClickMotionPosition = motionPosition; 354774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.rememberWindowAttachCount(); 35489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 354974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mResurrectToPosition = motionPosition; 35509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 355174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { 355274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 3553e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPendingCheckForTap : mPendingCheckForLongPress); 355474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mLayoutMode = LAYOUT_NORMAL; 355574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 355674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_TAP; 355774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setSelectedPositionInt(mMotionPosition); 355874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette layoutChildren(); 355974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette child.setPressed(true); 356074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette positionSelector(mMotionPosition, child); 356174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setPressed(true); 356274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mSelector != null) { 356374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette Drawable d = mSelector.getCurrent(); 356474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (d != null && d instanceof TransitionDrawable) { 356574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette ((TransitionDrawable) d).resetTransition(); 35669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 356874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (mTouchModeReset != null) { 356974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mTouchModeReset); 357074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 357174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchModeReset = new Runnable() { 357274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette @Override 357374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette public void run() { 357474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchModeReset = null; 357574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_REST; 357674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette child.setPressed(false); 357774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette setPressed(false); 357874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette if (!mDataChanged) { 357974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.run(); 358074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 358174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 358274ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette }; 358374ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette postDelayed(mTouchModeReset, 358474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette ViewConfiguration.getPressedStateDuration()); 358574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } else { 358674ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette mTouchMode = TOUCH_MODE_REST; 358774ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette updateSelectorState(); 358874ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } 358974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette return; 359074ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 359174ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette performClick.run(); 35929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3594e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3595e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3596e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette updateSelectorState(); 3597e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette break; 3598e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_SCROLL: 3599e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int childCount = getChildCount(); 3600e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (childCount > 0) { 3601e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int firstChildTop = getChildAt(0).getTop(); 3602e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int lastChildBottom = getChildAt(childCount - 1).getBottom(); 3603e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int contentTop = mListPadding.top; 3604e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int contentBottom = getHeight() - mListPadding.bottom; 3605e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFirstPosition == 0 && firstChildTop >= contentTop && 3606e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFirstPosition + childCount < mItemCount && 3607e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette lastChildBottom <= getHeight() - contentBottom) { 3608e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3609e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3610e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 3611e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final VelocityTracker velocityTracker = mVelocityTracker; 3612e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3613e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3614e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int initialVelocity = (int) 3615e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette (velocityTracker.getYVelocity(mActivePointerId) * mVelocityScale); 3616e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Fling if we have enough velocity and we aren't at a boundary. 3617e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Since we can potentially overfling more than we can overscroll, don't 3618e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // allow the weird behavior where you can scroll to a boundary then 3619e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // fling further. 3620e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (Math.abs(initialVelocity) > mMinimumVelocity && 3621e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette !((mFirstPosition == 0 && 3622e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette firstChildTop == contentTop - mOverscrollDistance) || 3623e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette (mFirstPosition + childCount == mItemCount && 3624e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette lastChildBottom == contentBottom + mOverscrollDistance))) { 3625e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable == null) { 3626e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable = new FlingRunnable(); 3627e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3628e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 3629e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3630e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.start(-initialVelocity); 3631e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 36326198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mTouchMode = TOUCH_MODE_REST; 36336198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3634e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable != null) { 3635e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.endFling(); 3636e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3637e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mPositionScroller != null) { 3638e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mPositionScroller.stop(); 36396198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 36409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3642e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 3643e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3644e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 36459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3646e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette break; 36479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3648e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_OVERSCROLL: 3649e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable == null) { 3650e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable = new FlingRunnable(); 3651637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3652e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final VelocityTracker velocityTracker = mVelocityTracker; 3653e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3654e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette final int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId); 3655637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3656e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 3657e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (Math.abs(initialVelocity) > mMinimumVelocity) { 3658e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.startOverfling(-initialVelocity); 3659e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } else { 3660e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.startSpringback(); 36619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3663e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette break; 3664e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 36654e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3666e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette setPressed(false); 36679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3668e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mEdgeGlowTop != null) { 3669e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowTop.onRelease(); 3670e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowBottom.onRelease(); 36719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3673e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Need to redraw since we probably aren't drawing the selector anymore 3674e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette invalidate(); 367574ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mPendingCheckForLongPress); 3676e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette recycleVelocityTracker(); 3677637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3678e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mActivePointerId = INVALID_POINTER; 3679637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3680e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (PROFILE_SCROLLING) { 3681e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mScrollProfilingStarted) { 3682e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette Debug.stopMethodTracing(); 3683e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mScrollProfilingStarted = false; 36849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3685e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 36864e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3687e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mScrollStrictSpan != null) { 3688e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mScrollStrictSpan.finish(); 3689e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mScrollStrictSpan = null; 36904cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 3691e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 36924e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3693e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette private void onTouchCancel() { 3694e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette switch (mTouchMode) { 3695e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_OVERSCROLL: 3696e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mFlingRunnable == null) { 3697e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable = new FlingRunnable(); 36984cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 3699e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mFlingRunnable.startSpringback(); 37004cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 37019bc30d31322848d61f518c1db43544988faaba8fAdam Powell 3702e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette case TOUCH_MODE_OVERFLING: 3703e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette // Do nothing - let it play out. 37049bc30d31322848d61f518c1db43544988faaba8fAdam Powell break; 3705e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette 3706e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette default: 3707e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mTouchMode = TOUCH_MODE_REST; 3708e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette setPressed(false); 370974ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette final View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 3710e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (motionView != null) { 3711e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette motionView.setPressed(false); 3712e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3713e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette clearScrollingCache(); 371474ded29bd15a80bfc12250520f9595cc1674d4e7Alan Viverette removeCallbacks(mPendingCheckForLongPress); 3715e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette recycleVelocityTracker(); 37169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3718e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette if (mEdgeGlowTop != null) { 3719e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowTop.onRelease(); 3720e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mEdgeGlowBottom.onRelease(); 3721e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette } 3722e7f30dc14dce081058d6739f71ae99abe757fc48Alan Viverette mActivePointerId = INVALID_POINTER; 37239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37240a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 37259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 37260a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne protected void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) { 37270a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (mScrollY != scrollY) { 37280a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne onScrollChanged(mScrollX, scrollY, mScrollX, mScrollY); 37290a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne mScrollY = scrollY; 37300a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne invalidateParentIfNeeded(); 37310a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne 37320a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne awakenScrollBars(); 3733637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3734637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3735637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3736637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 373733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown public boolean onGenericMotionEvent(MotionEvent event) { 373833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) { 373933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown switch (event.getAction()) { 374033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_SCROLL: { 374133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (mTouchMode == TOUCH_MODE_REST) { 374233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final float vscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL); 374333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (vscroll != 0) { 374433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final int delta = (int) (vscroll * getVerticalScrollFactor()); 3745275d8238da4c19acefffdb701273de86c09d2472Jeff Brown if (!trackMotionScroll(delta, delta)) { 374633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return true; 374733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 374833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 374933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 375033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 375133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 375233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 375333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return super.onGenericMotionEvent(event); 375433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 375533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 375633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown @Override 37579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 37589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.draw(canvas); 3759637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3760637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3761637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 3762637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 376307d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int leftPadding = mListPadding.left + mGlowPaddingLeft; 376407d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int rightPadding = mListPadding.right + mGlowPaddingRight; 376507d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int width = getWidth() - leftPadding - rightPadding; 3766637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 37679d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy int edgeY = Math.min(0, scrollY + mFirstPositionDistanceGuess); 37689d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy canvas.translate(leftPadding, edgeY); 3769a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowTop.setSize(width, getHeight()); 3770637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop.draw(canvas)) { 37719d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mEdgeGlowTop.setPosition(leftPadding, edgeY); 3772a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowTop.getBounds(false)); 3773637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3774637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3775637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3776637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 3777637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 377807d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int leftPadding = mListPadding.left + mGlowPaddingLeft; 377907d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int rightPadding = mListPadding.right + mGlowPaddingRight; 378007d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell final int width = getWidth() - leftPadding - rightPadding; 3781637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int height = getHeight(); 3782637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 37839d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy int edgeX = -width + leftPadding; 37849d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy int edgeY = Math.max(height, scrollY + mLastPositionDistanceGuess); 37859d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy canvas.translate(edgeX, edgeY); 3786e1be66cdbce9f1bb6aa00bcfc32c1fe6a60e7574Mindy Pereira canvas.rotate(180, width, 0); 3787a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowBottom.setSize(width, height); 3788637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowBottom.draw(canvas)) { 37899d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy // Account for the rotation 3790a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy mEdgeGlowBottom.setPosition(edgeX + width, edgeY); 3791a8bfeaf4f49fa33e96f37302f9c9b99c94aa1581Romain Guy invalidate(mEdgeGlowBottom.getBounds(true)); 3792637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3793637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3794637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3795637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 37969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379807d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell /** 379907d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell * @hide 380007d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell */ 380107d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell public void setOverScrollEffectPadding(int leftPadding, int rightPadding) { 380207d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell mGlowPaddingLeft = leftPadding; 380307d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell mGlowPaddingRight = rightPadding; 380407d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell } 380507d6f7bd750655852da49ee1a3c64f7dc05cc00dAdam Powell 380613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka private void initOrResetVelocityTracker() { 380713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (mVelocityTracker == null) { 380813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker = VelocityTracker.obtain(); 380913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } else { 381013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.clear(); 381113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 381213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 381313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 381413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka private void initVelocityTrackerIfNotExists() { 381513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (mVelocityTracker == null) { 381613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker = VelocityTracker.obtain(); 381713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 381813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 381913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 382013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka private void recycleVelocityTracker() { 382113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (mVelocityTracker != null) { 382213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.recycle(); 382313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker = null; 382413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 382513451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 382613451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 382713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka @Override 382813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { 382913451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka if (disallowIntercept) { 383013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka recycleVelocityTracker(); 383113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 383213451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka super.requestDisallowInterceptTouchEvent(disallowIntercept); 383313451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka } 383413451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka 38359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3836a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette public boolean onInterceptHoverEvent(MotionEvent event) { 3837a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette if (mFastScroller != null && mFastScroller.onInterceptHoverEvent(event)) { 3838a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette return true; 3839a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette } 3840a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette 3841a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette return super.onInterceptHoverEvent(event); 3842a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette } 3843a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette 3844a709b37eab535180f41d2bb9d029244aa84ee1f6Alan Viverette @Override 38459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 38469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = ev.getAction(); 38479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 38480a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 38491fa179ef41c06bd19da70fd9bf95741238791940Adam Powell if (mPositionScroller != null) { 38501fa179ef41c06bd19da70fd9bf95741238791940Adam Powell mPositionScroller.stop(); 38511fa179ef41c06bd19da70fd9bf95741238791940Adam Powell } 38521fa179ef41c06bd19da70fd9bf95741238791940Adam Powell 385328048d011cb0887cd641977ca37e5f2fde04d191Adam Powell if (!mIsAttached) { 385428048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Something isn't right. 385528048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // Since we rely on being attached to get data set change notifications, 385628048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // don't risk doing anything where we might try to resync and find things 385728048d011cb0887cd641977ca37e5f2fde04d191Adam Powell // in a bogus state. 385828048d011cb0887cd641977ca37e5f2fde04d191Adam Powell return false; 385928048d011cb0887cd641977ca37e5f2fde04d191Adam Powell } 386028048d011cb0887cd641977ca37e5f2fde04d191Adam Powell 38610ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette if (mFastScroller != null && mFastScroller.onInterceptTouchEvent(ev)) { 38620ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette return true; 38639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38640a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 38654cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 38669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 386779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int touchMode = mTouchMode; 3868637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERFLING || touchMode == TOUCH_MODE_OVERSCROLL) { 3869637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 3870637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return true; 3871637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 38724e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 38734cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = (int) ev.getX(); 38744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(); 38754cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(0); 38764e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 38779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int motionPosition = findMotionRow(y); 387879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) { 38799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // User clicked on an actual view (and was not stopping a fling). 38809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember where the motion event started 38819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = getChildAt(motionPosition - mFirstPosition); 38829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionViewOriginalTop = v.getTop(); 38839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionX = x; 38849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionY = y; 38859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionPosition = motionPosition; 38869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DOWN; 38879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 38889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastY = Integer.MIN_VALUE; 389013451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka initOrResetVelocityTracker(); 389113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.addMovement(ev); 389279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode == TOUCH_MODE_FLING) { 38934b4f40f84e72579417604143e5f42115769649b8Romain Guy return true; 38944b4f40f84e72579417604143e5f42115769649b8Romain Guy } 38959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 38969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 38999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 39009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 39012585e9bd6ded294e426607717ccc85a56bade594Justin Koh int pointerIndex = ev.findPointerIndex(mActivePointerId); 39022585e9bd6ded294e426607717ccc85a56bade594Justin Koh if (pointerIndex == -1) { 39032585e9bd6ded294e426607717ccc85a56bade594Justin Koh pointerIndex = 0; 39042585e9bd6ded294e426607717ccc85a56bade594Justin Koh mActivePointerId = ev.getPointerId(pointerIndex); 39052585e9bd6ded294e426607717ccc85a56bade594Justin Koh } 39064cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 390713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka initVelocityTrackerIfNotExists(); 390813451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka mVelocityTracker.addMovement(ev); 390978f6e63031da4ff06057be9a9e6c77ea83da4673Jeff Brown if (startScrollIfNeeded(y)) { 39109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 39119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 391713451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka case MotionEvent.ACTION_CANCEL: 39189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 39199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 39204cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 392113451a476a1951a19d3cb531c47bf5a51587800aMichael Jurka recycleVelocityTracker(); 39229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 39239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39254e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 39264cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 39274cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 39284cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 39294cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 39309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 39339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39344e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 39354cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private void onSecondaryPointerUp(MotionEvent ev) { 39364cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 39374cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 39384cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerId = ev.getPointerId(pointerIndex); 39394cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (pointerId == mActivePointerId) { 39404cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // This was our active pointer going up. Choose a new 39414cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // active pointer and adjust accordingly. 39424cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // TODO: Make this decision more intelligent. 39434cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 39444cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionX = (int) ev.getX(newPointerIndex); 39454cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionY = (int) ev.getY(newPointerIndex); 3946637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 39474cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 39484cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 39494cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 39509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 39539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 39549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 39559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 39569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 39579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 39589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ListAdapter adapter = mAdapter; 39599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter == null) { 39619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 39629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 39659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 39669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter.isEnabled(firstPosition + i)) { 39679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 39689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 39709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fires an "on scroll state changed" event to the registered 39759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.AbsListView.OnScrollListener}, if any. The state change 39769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is fired only if the specified state is different from the previously known state. 39779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newState The new scroll state. 39799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 39809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reportScrollStateChange(int newState) { 39819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newState != mLastScrollState) { 39829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 39839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastScrollState = newState; 39840046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell mOnScrollListener.onScrollStateChanged(this, newState); 39859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Responsible for fling behavior. Use {@link #start(int)} to 39919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * initiate a fling. Each frame of the fling is handled in {@link #run()}. 39929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A FlingRunnable will keep re-posting itself until the fling is done. 39939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 39959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FlingRunnable implements Runnable { 39969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tracks the decay of a fling scroll 39989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3999637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private final OverScroller mScroller; 40009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 40029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value reported by mScroller on the previous fling 40039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 40049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastFlingY; 40059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4006d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private final Runnable mCheckFlywheel = new Runnable() { 40078fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 4008d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne public void run() { 4009d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final int activeId = mActivePointerId; 4010d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final VelocityTracker vt = mVelocityTracker; 4011637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 4012d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (vt == null || activeId == INVALID_POINTER) { 4013d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 4014d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4015d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4016d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne vt.computeCurrentVelocity(1000, mMaximumVelocity); 4017d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final float yvel = -vt.getYVelocity(activeId); 4018d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4019b0c71eb9f50ce06327fa6bb6219f0970e04fd856Jeff Brown if (Math.abs(yvel) >= mMinimumVelocity 4020b0c71eb9f50ce06327fa6bb6219f0970e04fd856Jeff Brown && scroller.isScrollingInDirection(0, yvel)) { 4021d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Keep the fling alive a little longer 4022d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(this, FLYWHEEL_TIMEOUT); 4023d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } else { 4024d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 4025d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mTouchMode = TOUCH_MODE_SCROLL; 4026b43d6a30ad1e7bf0e64192a1f144b3fe1bcf7f95Erik reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 4027d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4028d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4029d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne }; 4030d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4031d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private static final int FLYWHEEL_TIMEOUT = 40; // milliseconds 4032d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 403379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell FlingRunnable() { 4034637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller = new OverScroller(getContext()); 40359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 403779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell void start(int initialVelocity) { 40389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialY = initialVelocity < 0 ? Integer.MAX_VALUE : 0; 40399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastFlingY = initialY; 40400b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScroller.setInterpolator(null); 40419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScroller.fling(0, initialY, 0, initialVelocity, 40429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, Integer.MAX_VALUE, 0, Integer.MAX_VALUE); 40439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_FLING; 40441fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 40459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_FLINGING) { 40479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mFlingProfilingStarted) { 40489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewFling"); 40499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlingProfilingStarted = true; 40509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40521cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 40531cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan == null) { 40541cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = StrictMode.enterCriticalSpan("AbsListView-fling"); 40551cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 40569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4057458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4058637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startSpringback() { 4059637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScroller.springBack(0, mScrollY, 0, 0, 0, 0)) { 4060637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 4061637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 40621fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4063637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4064637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_REST; 4065e20a193754edec182fc0ea13f84a2a1e50add99fGilles Debunne reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 4066637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4067637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4068637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4069637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startOverfling(int initialVelocity) { 40700b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScroller.setInterpolator(null); 4071044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell mScroller.fling(0, mScrollY, 0, initialVelocity, 0, 0, 4072044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell Integer.MIN_VALUE, Integer.MAX_VALUE, 0, getHeight()); 4073637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 4074637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 40751fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4076637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4077637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4078637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void edgeReached(int delta) { 4079637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller.notifyVerticalEdgeReached(mScrollY, 0, mOverflingDistance); 4080637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 4081637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 4082637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits())) { 4083637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 4084637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int vel = (int) mScroller.getCurrVelocity(); 4085637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 4086637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onAbsorb(vel); 4087637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4088637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onAbsorb(vel); 4089637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 40904032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 40914032252c997be9f5d013054dc23ace855007b3a5Adam Powell mTouchMode = TOUCH_MODE_REST; 40924032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 40934032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 40944032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 4095637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4096637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 40971fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4098637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4099637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 41000b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell void startScroll(int distance, int duration, boolean linear) { 4101458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int initialY = distance < 0 ? Integer.MAX_VALUE : 0; 4102458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastFlingY = initialY; 41030b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScroller.setInterpolator(linear ? sLinearInterpolator : null); 4104458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScroller.startScroll(0, initialY, 0, distance, duration); 4105458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTouchMode = TOUCH_MODE_FLING; 41061fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4107458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4108458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4109d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void endFling() { 41109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 4111458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 411279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell removeCallbacks(this); 4113d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne removeCallbacks(mCheckFlywheel); 411421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 411521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 411621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy clearScrollingCache(); 4117d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mScroller.abortAnimation(); 41185e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick 41195e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick if (mFlingStrictSpan != null) { 41205e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan.finish(); 41215e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan = null; 41225e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick } 4123d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4124d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4125d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void flywheelTouch() { 4126d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(mCheckFlywheel, FLYWHEEL_TIMEOUT); 41279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41298fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 41309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 413179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell switch (mTouchMode) { 413279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell default: 4133d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 41349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 41354e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4136d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne case TOUCH_MODE_SCROLL: 4137d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (mScroller.isFinished()) { 4138d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 4139d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 4140d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Fall through 4141637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_FLING: { 41427f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey if (mDataChanged) { 41437f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey layoutChildren(); 41447f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey } 41457f2202b0bd6eb66e64d1bbed91c39181b754e90fJeff Sharkey 414679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (mItemCount == 0 || getChildCount() == 0) { 414779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell endFling(); 414879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell return; 414979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 41509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4151637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 4152637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell boolean more = scroller.computeScrollOffset(); 4153637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int y = scroller.getCurrY(); 41549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4155637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Flip sign to convert finger direction to list items direction 4156637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // (e.g. finger moving down means list is moving towards the top) 4157637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int delta = mLastFlingY - y; 41589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4159637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Pretend that each frame of a fling scroll is a touch scroll 4160637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 4161637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the top. Use first view as mMotionPosition 4162637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition; 4163637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View firstView = getChildAt(0); 4164637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = firstView.getTop(); 41659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4166637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 4167637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.min(getHeight() - mPaddingBottom - mPaddingTop - 1, delta); 4168637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4169637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the bottom. Use last view as mMotionPosition 4170637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int offsetToLast = getChildCount() - 1; 4171637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition + offsetToLast; 41729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4173637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View lastView = getChildAt(offsetToLast); 4174637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = lastView.getTop(); 4175d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4176637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 4177637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta); 4178637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4179d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4180637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check to see if we have bumped into the scroll limit 4181637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = getChildAt(mMotionPosition - mFirstPosition); 4182637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int oldTop = 0; 4183637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 4184637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell oldTop = motionView.getTop(); 4185637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4186637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4187637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't stop just because delta is zero (it could have been rounded) 41889d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy final boolean atEdge = trackMotionScroll(delta, delta); 41899d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy final boolean atEnd = atEdge && (delta != 0); 4190637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (atEnd) { 4191637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 4192637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Tweak the scroll for how far we overshot 4193637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int overshoot = -(delta - (motionView.getTop() - oldTop)); 4194637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, overshoot, 0, mScrollY, 0, 0, 4195637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false); 4196637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 41973cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell if (more) { 41983cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell edgeReached(delta); 41993cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell } 4200637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 4201637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4202637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4203637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (more && !atEnd) { 42049d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (atEdge) invalidate(); 4205637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastFlingY = y; 42061fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4207637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4208637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 4209637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4210637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (PROFILE_FLINGING) { 4211637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingProfilingStarted) { 4212637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell Debug.stopMethodTracing(); 4213637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingProfilingStarted = false; 4214637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4215d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 4216637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingStrictSpan != null) { 4217637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan.finish(); 4218637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan = null; 4219637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 42209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4222637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 4223637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4224637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4225637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: { 4226637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 4227637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (scroller.computeScrollOffset()) { 4228637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 4229044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final int currY = scroller.getCurrY(); 4230044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final int deltaY = currY - scrollY; 4231637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overScrollBy(0, deltaY, 0, scrollY, 0, 0, 4232637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false)) { 4233044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final boolean crossDown = scrollY <= 0 && currY > 0; 4234044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell final boolean crossUp = scrollY >= 0 && currY < 0; 4235044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell if (crossDown || crossUp) { 4236044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell int velocity = (int) scroller.getCurrVelocity(); 4237044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell if (crossUp) velocity = -velocity; 4238044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell 4239044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell // Don't flywheel from this; we're just continuing things. 4240044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell scroller.abortAnimation(); 4241044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell start(velocity); 4242044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell } else { 4243044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell startSpringback(); 4244044a46bda5e2f6bc9f700e65d05ed17faae68f11Adam Powell } 4245637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4246637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 42471fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4248637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4249637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4250637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 4251637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4252637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 4253637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 42549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42574e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4258458034799861fef47e00d85d528b4dac5e00bd51Adam Powell class PositionScroller implements Runnable { 4259e69370e16852c576890dd70733ad40669fd9367eAdam Powell private static final int SCROLL_DURATION = 200; 42604e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4261458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_POS = 1; 4262458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_POS = 2; 4263458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_BOUND = 3; 4264458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_BOUND = 4; 4265e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private static final int MOVE_OFFSET = 5; 42664e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4267458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mMode; 4268458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mTargetPos; 4269458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mBoundPos; 4270458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mLastSeenPos; 4271458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mScrollDuration; 427252964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne private final int mExtraScroll; 4273e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4274e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private int mOffsetFromTop; 42754e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4276458034799861fef47e00d85d528b4dac5e00bd51Adam Powell PositionScroller() { 4277458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mExtraScroll = ViewConfiguration.get(mContext).getScaledFadingEdgeLength(); 4278458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 42794e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4280e69370e16852c576890dd70733ad40669fd9367eAdam Powell void start(final int position) { 42814032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 42824032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4283aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (mDataChanged) { 4284aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Wait until we're back in a stable state to try this. 4285161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = new Runnable() { 4286aadf4fb68e640c0622a1070206f69a7724328632Adam Powell @Override public void run() { 4287aadf4fb68e640c0622a1070206f69a7724328632Adam Powell start(position); 4288aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4289161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell }; 4290aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4291aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4292aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 4293e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int childCount = getChildCount(); 4294e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (childCount == 0) { 4295e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Can't scroll without children. 4296e69370e16852c576890dd70733ad40669fd9367eAdam Powell return; 4297e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4298e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4299458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 4300e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int lastPos = firstPos + childCount - 1; 43014e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 43024bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 43030061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase int clampedPosition = Math.max(0, Math.min(getCount() - 1, position)); 43040061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase if (clampedPosition < firstPos) { 43050061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = firstPos - clampedPosition + 1; 4306458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 43070061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase } else if (clampedPosition > lastPos) { 43080061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = clampedPosition - lastPos + 1; 4309458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 4310458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 43110061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase scrollToVisible(clampedPosition, INVALID_POSITION, SCROLL_DURATION); 4312458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4313458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43144e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4315458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 4316458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 4317458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4318458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 4319458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43200061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase mTargetPos = clampedPosition; 4321458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = INVALID_POSITION; 4322458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 43234e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 43241fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4325458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43264e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4327e69370e16852c576890dd70733ad40669fd9367eAdam Powell void start(final int position, final int boundPosition) { 43284032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 43294032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4330458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosition == INVALID_POSITION) { 4331458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start(position); 4332458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4333458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43344e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4335aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (mDataChanged) { 4336aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Wait until we're back in a stable state to try this. 4337161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = new Runnable() { 4338aadf4fb68e640c0622a1070206f69a7724328632Adam Powell @Override public void run() { 4339aadf4fb68e640c0622a1070206f69a7724328632Adam Powell start(position, boundPosition); 4340aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4341161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell }; 4342aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4343aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4344aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 4345e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int childCount = getChildCount(); 4346e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (childCount == 0) { 4347e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Can't scroll without children. 4348e69370e16852c576890dd70733ad40669fd9367eAdam Powell return; 4349e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4350e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4351458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 4352e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int lastPos = firstPos + childCount - 1; 43534e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 43544bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 43550061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase int clampedPosition = Math.max(0, Math.min(getCount() - 1, position)); 43560061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase if (clampedPosition < firstPos) { 4357458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromLast = lastPos - boundPosition; 4358458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromLast < 1) { 4359458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 4360458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4361458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43624e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 43630061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase final int posTravel = firstPos - clampedPosition + 1; 4364458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromLast - 1; 4365458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 4366458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 4367458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_BOUND; 4368458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4369458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 4370458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 4371458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43720061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase } else if (clampedPosition > lastPos) { 4373458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromFirst = boundPosition - firstPos; 4374458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromFirst < 1) { 4375458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 4376458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4377458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4378458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 43790061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase final int posTravel = clampedPosition - lastPos + 1; 4380458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromFirst - 1; 4381458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 4382458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 4383458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_BOUND; 4384458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4385458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 4386458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 4387458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4388458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 43890061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase scrollToVisible(clampedPosition, boundPosition, SCROLL_DURATION); 4390458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4391458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43924e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4393458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 4394458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 4395458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4396458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 4397458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43980061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase mTargetPos = clampedPosition; 4399458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = boundPosition; 4400458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 44014e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 44021fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4403458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4404e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4405e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell void startWithOffset(int position, int offset) { 4406322171b333a1c796fcc1428a96ea1d854a3881faErik startWithOffset(position, offset, SCROLL_DURATION); 4407322171b333a1c796fcc1428a96ea1d854a3881faErik } 4408322171b333a1c796fcc1428a96ea1d854a3881faErik 4409aadf4fb68e640c0622a1070206f69a7724328632Adam Powell void startWithOffset(final int position, int offset, final int duration) { 44104032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 44114032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4412aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (mDataChanged) { 4413aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Wait until we're back in a stable state to try this. 4414aadf4fb68e640c0622a1070206f69a7724328632Adam Powell final int postOffset = offset; 4415161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell mPositionScrollAfterLayout = new Runnable() { 4416aadf4fb68e640c0622a1070206f69a7724328632Adam Powell @Override public void run() { 4417aadf4fb68e640c0622a1070206f69a7724328632Adam Powell startWithOffset(position, postOffset, duration); 4418aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4419161abf3d44feebb8462f7d0cbee81574d666234bAdam Powell }; 4420aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4421aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4422aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 4423aadf4fb68e640c0622a1070206f69a7724328632Adam Powell final int childCount = getChildCount(); 4424aadf4fb68e640c0622a1070206f69a7724328632Adam Powell if (childCount == 0) { 4425aadf4fb68e640c0622a1070206f69a7724328632Adam Powell // Can't scroll without children. 4426aadf4fb68e640c0622a1070206f69a7724328632Adam Powell return; 4427aadf4fb68e640c0622a1070206f69a7724328632Adam Powell } 4428aadf4fb68e640c0622a1070206f69a7724328632Adam Powell 44291fa179ef41c06bd19da70fd9bf95741238791940Adam Powell offset += getPaddingTop(); 44301fa179ef41c06bd19da70fd9bf95741238791940Adam Powell 44310061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase mTargetPos = Math.max(0, Math.min(getCount() - 1, position)); 4432e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mOffsetFromTop = offset; 4433e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mBoundPos = INVALID_POSITION; 4434e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mLastSeenPos = INVALID_POSITION; 4435e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mMode = MOVE_OFFSET; 4436e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4437e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int firstPos = mFirstPosition; 4438371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 4439e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 44404bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 44410061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase if (mTargetPos < firstPos) { 44420061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = firstPos - mTargetPos; 44430061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase } else if (mTargetPos > lastPos) { 44440061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase viewTravelCount = mTargetPos - lastPos; 4445e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 4446e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 44470061e16e538f800ff995ad05bc21cc7728f160e2Chet Haase final int targetTop = getChildAt(mTargetPos - firstPos).getTop(); 44480b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(targetTop - offset, duration, true); 4449e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell return; 4450e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4451e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4452371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell // Estimate how many screens we should travel 44534ef1da3c04aed2fc7af7796a731f5cf00712ae02Daniel Lehmann final float screenTravelCount = (float) viewTravelCount / childCount; 44540b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScrollDuration = screenTravelCount < 1 ? 44550b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell duration : (int) (duration / screenTravelCount); 4456371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = INVALID_POSITION; 4457234a5715309ea74757780aff6123e3144efb5b69Adam Powell 44581fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4459e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4460e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4461e69370e16852c576890dd70733ad40669fd9367eAdam Powell /** 4462e69370e16852c576890dd70733ad40669fd9367eAdam Powell * Scroll such that targetPos is in the visible padded region without scrolling 4463e69370e16852c576890dd70733ad40669fd9367eAdam Powell * boundPos out of view. Assumes targetPos is onscreen. 4464e69370e16852c576890dd70733ad40669fd9367eAdam Powell */ 4465e69370e16852c576890dd70733ad40669fd9367eAdam Powell void scrollToVisible(int targetPos, int boundPos, int duration) { 4466e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int firstPos = mFirstPosition; 4467e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int childCount = getChildCount(); 4468e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int lastPos = firstPos + childCount - 1; 4469e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int paddedTop = mListPadding.top; 4470e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int paddedBottom = getHeight() - mListPadding.bottom; 4471e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4472e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (targetPos < firstPos || targetPos > lastPos) { 4473e69370e16852c576890dd70733ad40669fd9367eAdam Powell Log.w(TAG, "scrollToVisible called with targetPos " + targetPos + 4474e69370e16852c576890dd70733ad40669fd9367eAdam Powell " not visible [" + firstPos + ", " + lastPos + "]"); 4475e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4476e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (boundPos < firstPos || boundPos > lastPos) { 4477e69370e16852c576890dd70733ad40669fd9367eAdam Powell // boundPos doesn't matter, it's already offscreen. 4478e69370e16852c576890dd70733ad40669fd9367eAdam Powell boundPos = INVALID_POSITION; 4479e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4480e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4481e69370e16852c576890dd70733ad40669fd9367eAdam Powell final View targetChild = getChildAt(targetPos - firstPos); 4482e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int targetTop = targetChild.getTop(); 4483e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int targetBottom = targetChild.getBottom(); 4484e69370e16852c576890dd70733ad40669fd9367eAdam Powell int scrollBy = 0; 4485e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4486e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (targetBottom > paddedBottom) { 4487e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = targetBottom - paddedBottom; 4488e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4489e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (targetTop < paddedTop) { 4490e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = targetTop - paddedTop; 4491e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4492e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4493e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (scrollBy == 0) { 4494e69370e16852c576890dd70733ad40669fd9367eAdam Powell return; 4495e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4496e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4497e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (boundPos >= 0) { 4498e69370e16852c576890dd70733ad40669fd9367eAdam Powell final View boundChild = getChildAt(boundPos - firstPos); 4499e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int boundTop = boundChild.getTop(); 4500e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int boundBottom = boundChild.getBottom(); 4501e69370e16852c576890dd70733ad40669fd9367eAdam Powell final int absScroll = Math.abs(scrollBy); 4502e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4503e69370e16852c576890dd70733ad40669fd9367eAdam Powell if (scrollBy < 0 && boundBottom + absScroll > paddedBottom) { 4504e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Don't scroll the bound view off the bottom of the screen. 4505e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = Math.max(0, boundBottom - paddedBottom); 4506e69370e16852c576890dd70733ad40669fd9367eAdam Powell } else if (scrollBy > 0 && boundTop - absScroll < paddedTop) { 4507e69370e16852c576890dd70733ad40669fd9367eAdam Powell // Don't scroll the bound view off the top of the screen. 4508e69370e16852c576890dd70733ad40669fd9367eAdam Powell scrollBy = Math.min(0, boundTop - paddedTop); 4509e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4510e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4511e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4512e69370e16852c576890dd70733ad40669fd9367eAdam Powell smoothScrollBy(scrollBy, duration); 4513e69370e16852c576890dd70733ad40669fd9367eAdam Powell } 4514e69370e16852c576890dd70733ad40669fd9367eAdam Powell 4515458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void stop() { 4516458034799861fef47e00d85d528b4dac5e00bd51Adam Powell removeCallbacks(this); 4517458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4518e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 45198fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 4520458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void run() { 4521458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int listHeight = getHeight(); 4522458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 45234e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4524458034799861fef47e00d85d528b4dac5e00bd51Adam Powell switch (mMode) { 4525458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_POS: { 4526458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 1; 4527458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 45284e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 45290b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (lastViewIndex < 0) { 45300b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 45310b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 4532458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4533458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 4534458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 45351fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4536458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4537458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4538458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4539458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 4540458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 4541458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 4542458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 45431fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = lastPos < mItemCount - 1 ? 45441fa179ef41c06bd19da70fd9bf95741238791940Adam Powell Math.max(mListPadding.bottom, mExtraScroll) : mListPadding.bottom; 4545458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 45461fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int scrollBy = lastViewHeight - lastViewPixelsShowing + extraScroll; 45470b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(scrollBy, mScrollDuration, true); 4548458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4549458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 45507e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos < mTargetPos) { 45511fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4552458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4553458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4554458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 45554e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4556458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_BOUND: { 4557458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewIndex = 1; 4558029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int childCount = getChildCount(); 45594e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4560029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (firstPos == mBoundPos || childCount <= nextViewIndex 4561029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell || firstPos + childCount >= mItemCount) { 4562458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4563458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4564458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextPos = firstPos + nextViewIndex; 4565458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4566458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (nextPos == mLastSeenPos) { 4567458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 45681fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4569458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4570458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4571458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4572458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View nextView = getChildAt(nextViewIndex); 4573458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewHeight = nextView.getHeight(); 4574458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewTop = nextView.getTop(); 45751fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = Math.max(mListPadding.bottom, mExtraScroll); 45767e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (nextPos < mBoundPos) { 4577458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(Math.max(0, nextViewHeight + nextViewTop - extraScroll), 45780b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mScrollDuration, true); 4579458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4580458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = nextPos; 4581458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 45821fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4583458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 45844e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira if (nextViewTop > extraScroll) { 45850b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(nextViewTop - extraScroll, mScrollDuration, true); 4586458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4587458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4588458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4589458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 45904e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4591458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_POS: { 4592458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (firstPos == mLastSeenPos) { 4593458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 45941fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4595458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4596458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4597458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4598458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View firstView = getChildAt(0); 45990b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (firstView == null) { 46000b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 46010b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 4602458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstViewTop = firstView.getTop(); 46031fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = firstPos > 0 ? 46041fa179ef41c06bd19da70fd9bf95741238791940Adam Powell Math.max(mExtraScroll, mListPadding.top) : mListPadding.top; 4605458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 46060b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(firstViewTop - extraScroll, mScrollDuration, true); 4607458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4608458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = firstPos; 4609458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 46107e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (firstPos > mTargetPos) { 46111fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4612458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4613458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4614458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 46154e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4616458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_BOUND: { 4617458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 2; 4618458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastViewIndex < 0) { 4619458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4620458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4621458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 4622458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4623458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 4624458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 46250b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell postOnAnimation(this); 4626458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 4627458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4628458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4629458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 4630458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 4631458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 4632458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 46331fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int extraScroll = Math.max(mListPadding.top, mExtraScroll); 4634458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 46357e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos > mBoundPos) { 46360b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(-(lastViewPixelsShowing - extraScroll), mScrollDuration, true); 46371fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4638458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 46391fa179ef41c06bd19da70fd9bf95741238791940Adam Powell final int bottom = listHeight - extraScroll; 4640458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewBottom = lastViewTop + lastViewHeight; 4641458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (bottom > lastViewBottom) { 46420b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(-(bottom - lastViewBottom), mScrollDuration, true); 4643458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4644458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4645458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4646458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4647458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4648e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell case MOVE_OFFSET: { 4649234a5715309ea74757780aff6123e3144efb5b69Adam Powell if (mLastSeenPos == firstPos) { 4650234a5715309ea74757780aff6123e3144efb5b69Adam Powell // No new views, let things keep going. 46510b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell postOnAnimation(this); 4652234a5715309ea74757780aff6123e3144efb5b69Adam Powell return; 4653234a5715309ea74757780aff6123e3144efb5b69Adam Powell } 4654e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4655371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = firstPos; 4656234a5715309ea74757780aff6123e3144efb5b69Adam Powell 4657234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int childCount = getChildCount(); 4658e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int position = mTargetPos; 4659371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 4660e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 46614032252c997be9f5d013054dc23ace855007b3a5Adam Powell int viewTravelCount = 0; 4662e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 46634032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = firstPos - position + 1; 46644032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else if (position > lastPos) { 46654032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = position - lastPos; 46664032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 46674032252c997be9f5d013054dc23ace855007b3a5Adam Powell 46684032252c997be9f5d013054dc23ace855007b3a5Adam Powell // Estimate how many screens we should travel 46694032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float screenTravelCount = (float) viewTravelCount / childCount; 46704032252c997be9f5d013054dc23ace855007b3a5Adam Powell 46714032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float modifier = Math.min(Math.abs(screenTravelCount), 1.f); 46724032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (position < firstPos) { 46730b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int distance = (int) (-getHeight() * modifier); 46740b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int duration = (int) (mScrollDuration * modifier); 46750b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, true); 46761fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4677e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 46780b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int distance = (int) (getHeight() * modifier); 46790b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int duration = (int) (mScrollDuration * modifier); 46800b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, true); 46811fa179ef41c06bd19da70fd9bf95741238791940Adam Powell postOnAnimation(this); 4682e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 4683e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 4684e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 4685234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int distance = targetTop - mOffsetFromTop; 46860b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell final int duration = (int) (mScrollDuration * 46870b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell ((float) Math.abs(distance) / getHeight())); 46880b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, true); 4689e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4690e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell break; 4691e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4692e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4693458034799861fef47e00d85d528b4dac5e00bd51Adam Powell default: 4694458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4695458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4696458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4697458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 46984e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4699458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 47004bede9e425875542976a422222510fa4056a8339Romain Guy * The amount of friction applied to flings. The default value 47014bede9e425875542976a422222510fa4056a8339Romain Guy * is {@link ViewConfiguration#getScrollFriction}. 47024bede9e425875542976a422222510fa4056a8339Romain Guy */ 47034bede9e425875542976a422222510fa4056a8339Romain Guy public void setFriction(float friction) { 47044bede9e425875542976a422222510fa4056a8339Romain Guy if (mFlingRunnable == null) { 47054bede9e425875542976a422222510fa4056a8339Romain Guy mFlingRunnable = new FlingRunnable(); 47064bede9e425875542976a422222510fa4056a8339Romain Guy } 47074e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mFlingRunnable.mScroller.setFriction(friction); 47084bede9e425875542976a422222510fa4056a8339Romain Guy } 470921317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 471021317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy /** 471121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * Sets a scale factor for the fling velocity. The initial scale 471221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * factor is 1.0. 47134e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 471421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * @param scale The scale factor to multiply the velocity by. 471521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy */ 471621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy public void setVelocityScale(float scale) { 471721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy mVelocityScale = scale; 471821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy } 47194e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 47204bede9e425875542976a422222510fa4056a8339Romain Guy /** 4721458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4722458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed. 4723458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4724458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4725458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position) { 4726458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 4727458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 4728458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4729458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position); 4730458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4731322171b333a1c796fcc1428a96ea1d854a3881faErik 4732322171b333a1c796fcc1428a96ea1d854a3881faErik /** 4733322171b333a1c796fcc1428a96ea1d854a3881faErik * Smoothly scroll to the specified adapter position. The view will scroll 4734322171b333a1c796fcc1428a96ea1d854a3881faErik * such that the indicated position is displayed <code>offset</code> pixels from 4735322171b333a1c796fcc1428a96ea1d854a3881faErik * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4736322171b333a1c796fcc1428a96ea1d854a3881faErik * the first or last item beyond the boundaries of the list) it will get as close 4737322171b333a1c796fcc1428a96ea1d854a3881faErik * as possible. The scroll will take <code>duration</code> milliseconds to complete. 4738322171b333a1c796fcc1428a96ea1d854a3881faErik * 4739322171b333a1c796fcc1428a96ea1d854a3881faErik * @param position Position to scroll to 4740322171b333a1c796fcc1428a96ea1d854a3881faErik * @param offset Desired distance in pixels of <code>position</code> from the top 4741322171b333a1c796fcc1428a96ea1d854a3881faErik * of the view when scrolling is finished 4742322171b333a1c796fcc1428a96ea1d854a3881faErik * @param duration Number of milliseconds to use for the scroll 4743322171b333a1c796fcc1428a96ea1d854a3881faErik */ 4744322171b333a1c796fcc1428a96ea1d854a3881faErik public void smoothScrollToPositionFromTop(int position, int offset, int duration) { 4745322171b333a1c796fcc1428a96ea1d854a3881faErik if (mPositionScroller == null) { 4746322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller = new PositionScroller(); 4747322171b333a1c796fcc1428a96ea1d854a3881faErik } 4748322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller.startWithOffset(position, offset, duration); 4749322171b333a1c796fcc1428a96ea1d854a3881faErik } 4750322171b333a1c796fcc1428a96ea1d854a3881faErik 4751458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4752e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * Smoothly scroll to the specified adapter position. The view will scroll 4753e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * such that the indicated position is displayed <code>offset</code> pixels from 4754e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4755e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the first or last item beyond the boundaries of the list) it will get as close 4756e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * as possible. 4757e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * 4758e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param position Position to scroll to 4759e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param offset Desired distance in pixels of <code>position</code> from the top 4760e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * of the view when scrolling is finished 4761e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell */ 4762e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell public void smoothScrollToPositionFromTop(int position, int offset) { 4763e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (mPositionScroller == null) { 4764e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller = new PositionScroller(); 4765e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4766e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller.startWithOffset(position, offset); 4767e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4768e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4769e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell /** 4770458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4771458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed, but it will 4772458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * stop early if scrolling further would scroll boundPosition out of 47734e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * view. 4774458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4775458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param boundPosition Do not scroll if it would move this adapter 4776458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * position out of view. 4777458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4778458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position, int boundPosition) { 4779458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 4780458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 4781458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4782458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position, boundPosition); 4783458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 47844e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4785458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4786458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll by distance pixels over duration milliseconds. 4787458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param distance Distance to scroll in pixels. 4788458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param duration Duration of the scroll animation in milliseconds. 4789458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4790458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollBy(int distance, int duration) { 47910b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell smoothScrollBy(distance, duration, false); 47920b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell } 47930b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell 47940b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell void smoothScrollBy(int distance, int duration, boolean linear) { 4795458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mFlingRunnable == null) { 4796458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFlingRunnable = new FlingRunnable(); 4797458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 47984032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4799299acb581205b6574bfa91824b1b887e265c4c40Marc Blank // No sense starting to scroll if we're not going anywhere 48004032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int firstPos = mFirstPosition; 48014032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int childCount = getChildCount(); 48024032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int lastPos = firstPos + childCount; 48034032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int topLimit = getPaddingTop(); 48044032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int bottomLimit = getHeight() - getPaddingBottom(); 48054032252c997be9f5d013054dc23ace855007b3a5Adam Powell 480679303750df0e4d18f51f64c7ef3ca21fca893bbbAdam Powell if (distance == 0 || mItemCount == 0 || childCount == 0 || 48074032252c997be9f5d013054dc23ace855007b3a5Adam Powell (firstPos == 0 && getChildAt(0).getTop() == topLimit && distance < 0) || 4808aadf4fb68e640c0622a1070206f69a7724328632Adam Powell (lastPos == mItemCount && 48094032252c997be9f5d013054dc23ace855007b3a5Adam Powell getChildAt(childCount - 1).getBottom() == bottomLimit && distance > 0)) { 48104032252c997be9f5d013054dc23ace855007b3a5Adam Powell mFlingRunnable.endFling(); 48114032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 48124032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 48134032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 48144032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 48150046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 48160b8acd81d5029385ec0ae3cafd90acf3036b89acAdam Powell mFlingRunnable.startScroll(distance, duration, linear); 4817299acb581205b6574bfa91824b1b887e265c4c40Marc Blank } 4818458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 48199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4820499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 4821499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Allows RemoteViews to scroll relatively to a position. 4822499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4823499cb9f516062b654952d282f211bee44c31a3c2Winson Chung void smoothScrollByOffset(int position) { 4824499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int index = -1; 4825499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (position < 0) { 4826499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getFirstVisiblePosition(); 4827499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if (position > 0) { 4828499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getLastVisiblePosition(); 4829499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4830499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4831499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (index > -1) { 4832499cb9f516062b654952d282f211bee44c31a3c2Winson Chung View child = getChildAt(index - getFirstVisiblePosition()); 4833499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child != null) { 4834499cb9f516062b654952d282f211bee44c31a3c2Winson Chung Rect visibleRect = new Rect(); 4835499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child.getGlobalVisibleRect(visibleRect)) { 4836499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the child is partially visible 4837499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int childRectArea = child.getWidth() * child.getHeight(); 4838499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int visibleRectArea = visibleRect.width() * visibleRect.height(); 4839499cb9f516062b654952d282f211bee44c31a3c2Winson Chung float visibleArea = (visibleRectArea / (float) childRectArea); 4840499cb9f516062b654952d282f211bee44c31a3c2Winson Chung final float visibleThreshold = 0.75f; 4841499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if ((position < 0) && (visibleArea < visibleThreshold)) { 4842499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the top index is not perceivably visible so offset 4843499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that top index as well 4844499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ++index; 4845499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if ((position > 0) && (visibleArea < visibleThreshold)) { 4846499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the bottom index is not perceivably visible so offset 4847499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that bottom index as well 4848499cb9f516062b654952d282f211bee44c31a3c2Winson Chung --index; 4849499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4850499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4851499cb9f516062b654952d282f211bee44c31a3c2Winson Chung smoothScrollToPosition(Math.max(0, Math.min(getCount(), index + position))); 4852499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4853499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4854499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4855499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 48569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createScrollingCache() { 48579d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mScrollingCacheEnabled && !mCachingStarted && !isHardwareAccelerated()) { 48589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawnWithCacheEnabled(true); 48599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(true); 48600211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy mCachingStarted = mCachingActive = true; 48619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void clearScrollingCache() { 48659d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (!isHardwareAccelerated()) { 48669d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mClearScrollingCache == null) { 48679d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mClearScrollingCache = new Runnable() { 48688fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 48699d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy public void run() { 48709d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (mCachingStarted) { 48719d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy mCachingStarted = mCachingActive = false; 48729d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy setChildrenDrawnWithCacheEnabled(false); 48739d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if ((mPersistentDrawingCache & PERSISTENT_SCROLLING_CACHE) == 0) { 48749d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy setChildrenDrawingCacheEnabled(false); 48759d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 48769d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (!isAlwaysDrawnWithCacheEnabled()) { 48779d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy invalidate(); 48789d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 48796dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 48806dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 48819d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy }; 48829d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 48839d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy post(mClearScrollingCache); 48849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 48882f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * Scrolls the list items within the view by a specified number of pixels. 48892f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * 48902f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * @param y the amount of pixels to scroll by vertically 48912f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * @return true if the list is able to scroll, or false if the list is 48922f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette * already at the beginning/end and unable to scroll any more. 48932f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette */ 48942f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette public boolean scrollListBy(int y) { 48952f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette return !trackMotionScroll(-y, -y); 48962f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette } 48972f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette 48982f3317a06dd4d39298dc3fd2bb8a4d36a5762e03Alan Viverette /** 48999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Track a motion scroll 49009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deltaY Amount to offset mMotionView. This is the accumulated delta since the motion 49029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * began. Positive numbers mean the user's finger is moving down the screen. 49039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param incrementalDeltaY Change in deltaY from the previous event. 4904458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @return true if we're already at the beginning/end of the list and have nothing to do. 49059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4906458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean trackMotionScroll(int deltaY, int incrementalDeltaY) { 49079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 49089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount == 0) { 4909458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 49109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstTop = getChildAt(0).getTop(); 49139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int lastBottom = getChildAt(childCount - 1).getBottom(); 49149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 49169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4917bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // "effective padding" In this case is the amount of padding that affects 4918bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // how much space should not be filled by items. If we don't clip to padding 4919bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // there is no effective padding. 4920bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingTop = 0; 4921bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingBottom = 0; 4922bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 4923bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingTop = listPadding.top; 4924bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingBottom = listPadding.bottom; 4925bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell } 4926bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell 49279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME account for grid vertical spacing too? 4928bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int spaceAbove = effectivePaddingTop - firstTop; 4929bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int end = getHeight() - effectivePaddingBottom; 49309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int spaceBelow = lastBottom - end; 49319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight() - mPaddingBottom - mPaddingTop; 49339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (deltaY < 0) { 49349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.max(-(height - 1), deltaY); 49359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 49369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.min(height - 1, deltaY); 49379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (incrementalDeltaY < 0) { 49409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.max(-(height - 1), incrementalDeltaY); 49419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 49429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.min(height - 1, incrementalDeltaY); 49439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4945458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPosition = mFirstPosition; 49469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4947637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Update our guesses for where the first and last views are 4948637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition == 0) { 4949bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mFirstPositionDistanceGuess = firstTop - listPadding.top; 4950637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4951637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFirstPositionDistanceGuess += incrementalDeltaY; 4952637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4953637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition + childCount == mItemCount) { 4954bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mLastPositionDistanceGuess = lastBottom + listPadding.bottom; 4955637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4956637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastPositionDistanceGuess += incrementalDeltaY; 4957637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4958637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 49590a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne final boolean cannotScrollDown = (firstPosition == 0 && 49600a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne firstTop >= listPadding.top && incrementalDeltaY >= 0); 49610a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne final boolean cannotScrollUp = (firstPosition + childCount == mItemCount && 49620a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne lastBottom <= getHeight() - listPadding.bottom && incrementalDeltaY <= 0); 49639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49640a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (cannotScrollDown || cannotScrollUp) { 4965637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return incrementalDeltaY != 0; 4966458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 49679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4968458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final boolean down = incrementalDeltaY < 0; 49699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4970029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final boolean inTouchMode = isInTouchMode(); 4971029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (inTouchMode) { 4972029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell hideSelector(); 4973029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 49749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4975458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int headerViewsCount = getHeaderViewsCount(); 4976458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int footerViewsStart = mItemCount - getFooterViewsCount(); 49779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4978458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int start = 0; 4979458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int count = 0; 49809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4981458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 49828c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int top = -incrementalDeltaY; 49838c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 49848c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell top += listPadding.top; 49858c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 4986458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = 0; i < childCount; i++) { 4987458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 4988458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getBottom() >= top) { 4989458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4990458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4991458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 4992458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 4993458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 4994079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 49959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4997458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4998458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 49998c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int bottom = getHeight() - incrementalDeltaY; 50008c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 50018c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell bottom -= listPadding.bottom; 50028c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 5003458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = childCount - 1; i >= 0; i--) { 5004458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 5005458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getTop() <= bottom) { 5006458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 5007458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 5008458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start = i; 5009458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 5010458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 5011458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 5012079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 50139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5016458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 5017458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 5018458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMotionViewNewTop = mMotionViewOriginalTop + deltaY; 50199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5020458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = true; 50219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5022458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (count > 0) { 50239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project detachViewsFromParent(start, count); 5024539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mRecycler.removeSkippedScrap(); 5025458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 5026539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 50279d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy // invalidate before moving the children to avoid unnecessary invalidate 50289d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy // calls to bubble up from the children all the way to the top 50299d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy if (!awakenScrollBars()) { 50301fa179ef41c06bd19da70fd9bf95741238791940Adam Powell invalidate(); 50319d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy } 50329d849a2f6351caed83105b90cab79223ec2bfbd3Romain Guy 5033458034799861fef47e00d85d528b4dac5e00bd51Adam Powell offsetChildrenTopAndBottom(incrementalDeltaY); 50349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5035458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 5036458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFirstPosition += count; 5037458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 50384e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5039458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int absIncrementalDeltaY = Math.abs(incrementalDeltaY); 5040458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (spaceAbove < absIncrementalDeltaY || spaceBelow < absIncrementalDeltaY) { 5041458034799861fef47e00d85d528b4dac5e00bd51Adam Powell fillGap(down); 50429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5043458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 5044029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (!inTouchMode && mSelectedPosition != INVALID_POSITION) { 50452a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell final int childIndex = mSelectedPosition - mFirstPosition; 50462a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell if (childIndex >= 0 && childIndex < getChildCount()) { 5047079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mSelectedPosition, getChildAt(childIndex)); 5048079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5049079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else if (mSelectorPosition != INVALID_POSITION) { 5050079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final int childIndex = mSelectorPosition - mFirstPosition; 5051079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (childIndex >= 0 && childIndex < getChildCount()) { 5052079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(INVALID_POSITION, getChildAt(childIndex)); 50532a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell } 5054079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 5055079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorRect.setEmpty(); 5056029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 5057029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 5058458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = false; 5059458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 5060458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invokeOnItemScrollListener(); 50614e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5062458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return false; 50639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of header views in the list. Header views are special views 50679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the top of the list that should not be recycled during a layout. 50689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 50699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of header views, 0 in the default implementation. 50709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getHeaderViewsCount() { 50729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 50739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of footer views in the list. Footer views are special views 50779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the bottom of the list that should not be recycled during a layout. 50789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 50799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of footer views, 0 in the default implementation. 50809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getFooterViewsCount() { 50829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 50839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the gap left open by a touch-scroll. During a touch scroll, children that 50879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remain on screen are shifted and the other ones are discarded. The role of this 50889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method is to fill the gap thus created by performing a partial layout in the 50899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * empty space. 50909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 50919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param down true if the scroll is going down, false if it is going up 50929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void fillGap(boolean down); 50949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void hideSelector() { 50969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition != INVALID_POSITION) { 5097ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell if (mLayoutMode != LAYOUT_SPECIFIC) { 5098ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell mResurrectToPosition = mSelectedPosition; 5099ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell } 51009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNextSelectedPosition >= 0 && mNextSelectedPosition != mSelectedPosition) { 51019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mNextSelectedPosition; 51029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 51049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 51059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 51069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A position to select. First we try mSelectedPosition. If that has been clobbered by 51119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * entering touch mode, we then try mResurrectToPosition. Values are pinned to the range 51129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of items available in the adapter 51139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int reconcileSelectedPosition() { 51159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = mSelectedPosition; 51169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position < 0) { 51179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = mResurrectToPosition; 51189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.max(0, position); 51209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.min(position, mItemCount - 1); 51219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 51229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the row closest to y. This row will be used as the motion row when scrolling 51269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Where the user touched 51284cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * @return The position of the first (or only) item in the row containing y 51299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract int findMotionRow(int y); 51319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5133637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Find the row closest to y. This row will be used as the motion row when scrolling. 5134637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * 5135637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @param y Where the user touched 5136637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return The position of the first (or only) item in the row closest to y 5137637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 5138637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int findClosestMotionRow(int y) { 5139637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 5140637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (childCount == 0) { 5141637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return INVALID_POSITION; 5142637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5143637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 5144637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionRow = findMotionRow(y); 5145637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return motionRow != INVALID_POSITION ? motionRow : mFirstPosition + childCount - 1; 5146637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5147637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 5148637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 51499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Causes all the views to be rebuilt and redrawn. 51509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateViews() { 51529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 51539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 51549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 51559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 51569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51578fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette 51584e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown /** 51598d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * If there is a selection returns false. 51608d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * Otherwise resurrects the selection and returns true if resurrected. 51614e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown */ 51628d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown boolean resurrectSelectionIfNeeded() { 5163becb0be2bb769e819774d32d6f9e4f6b31668157Adam Powell if (mSelectedPosition < 0 && resurrectSelection()) { 5164becb0be2bb769e819774d32d6f9e4f6b31668157Adam Powell updateSelectorState(); 5165becb0be2bb769e819774d32d6f9e4f6b31668157Adam Powell return true; 51664e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 51678d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown return false; 51684e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 51699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the item at the supplied position selected. 51729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position the position of the new selection 51749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void setSelectionInt(int position); 51769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempt to bring the selection back if the user is switching from touch 51799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to trackball mode 51809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether selection was set to something. 51819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resurrectSelection() { 51839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 51849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount <= 0) { 51869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 51879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedTop = 0; 51909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedPos; 51919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenTop = mListPadding.top; 51929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenBottom = mBottom - mTop - mListPadding.bottom; 51939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 51949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int toPosition = mResurrectToPosition; 51959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean down = true; 51969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition >= firstPosition && toPosition < firstPosition + childCount) { 51989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = toPosition; 51999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View selected = getChildAt(selectedPos - mFirstPosition); 52019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = selected.getTop(); 52029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedBottom = selected.getBottom(); 52039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are scrolled, don't get in the fade 52059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedTop < childrenTop) { 52069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenTop + getVerticalFadingEdgeLength(); 52079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (selectedBottom > childrenBottom) { 52089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenBottom - selected.getMeasuredHeight() 52099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project - getVerticalFadingEdgeLength(); 52109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 52129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition < firstPosition) { 52139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default to selecting whatever is first 52149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition; 52159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 52169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 52179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 52189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 52209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the position of the first item 52219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 52229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we are scrolled at all 52239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition > 0 || top < childrenTop) { 52249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are scrolled, don't select anything that is 52259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the fade region 52269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenTop += getVerticalFadingEdgeLength(); 52279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (top >= childrenTop) { 52309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found a view whose top is fully visisble 52319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 52329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 52339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 52349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 52379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int itemCount = mItemCount; 52389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project down = false; 52399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + childCount - 1; 52409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childCount - 1; i >= 0; i--) { 52429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 52439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 52449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = v.getBottom(); 52459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == childCount - 1) { 52479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 52489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition + childCount < itemCount || bottom > childrenBottom) { 52499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenBottom -= getVerticalFadingEdgeLength(); 52509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bottom <= childrenBottom) { 52549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 52559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 52569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 52579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 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 mResurrectToPosition = INVALID_POSITION; 52639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCallbacks(mFlingRunnable); 52644032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 52654032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 52664032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 52679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 52689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 52699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = selectedTop; 52709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = lookForSelectablePosition(selectedPos, down); 52719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedPos >= firstPosition && selectedPos <= getLastVisiblePosition()) { 52729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SPECIFIC; 52733c7b96a3466d05ad9979e86f44eb61a12ef67da3Justin Koh updateSelectorState(); 52749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectionInt(selectedPos); 52759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 52769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 52779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = INVALID_POSITION; 52789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 52809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return selectedPos >= 0; 52829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 528414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell void confirmCheckedPositionsById() { 528514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell // Clear out the positional check states, we'll rebuild it below from IDs. 528614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckStates.clear(); 528714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 528814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell boolean checkedCountChanged = false; 528914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell for (int checkedIndex = 0; checkedIndex < mCheckedIdStates.size(); checkedIndex++) { 529014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final long id = mCheckedIdStates.keyAt(checkedIndex); 529114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final int lastPos = mCheckedIdStates.valueAt(checkedIndex); 529214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 529314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final long lastPosId = mAdapter.getItemId(lastPos); 529414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (id != lastPosId) { 529514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell // Look around to see if the ID is nearby. If not, uncheck it. 529614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final int start = Math.max(0, lastPos - CHECK_POSITION_SEARCH_DISTANCE); 529714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final int end = Math.min(lastPos + CHECK_POSITION_SEARCH_DISTANCE, mItemCount); 529814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell boolean found = false; 529914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell for (int searchPos = start; searchPos < end; searchPos++) { 530014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell final long searchId = mAdapter.getItemId(searchPos); 530114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (id == searchId) { 530214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell found = true; 530314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckStates.put(searchPos, true); 530414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.setValueAt(checkedIndex, searchPos); 530514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell break; 530614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 530714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 530814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 530914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (!found) { 531014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedIdStates.delete(id); 531114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell checkedIndex--; 531214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckedItemCount--; 531314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell checkedCountChanged = true; 531414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (mChoiceActionMode != null && mMultiChoiceModeCallback != null) { 531514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 531614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell lastPos, id, false); 531714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 531814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 531914c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } else { 532014c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mCheckStates.put(lastPos, true); 532114c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 532214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 532314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 532414c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (checkedCountChanged && mChoiceActionMode != null) { 532514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell mChoiceActionMode.invalidate(); 532614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 532714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 532814c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell 53299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 53309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void handleDataChanged() { 53319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mItemCount; 5332ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell int lastHandledItemCount = mLastHandledItemCount; 5333ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell mLastHandledItemCount = mItemCount; 53349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 533514c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapter != null && mAdapter.hasStableIds()) { 533614c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell confirmCheckedPositionsById(); 533714c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell } 53389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell // TODO: In the future we can recycle these views based on stable ID instead. 5340539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mRecycler.clearTransientStateViews(); 5341539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 534214c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell if (count > 0) { 534314c080497e427c4dd9395df5bacb28bcc4291a32Adam Powell int newPos; 53449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectablePos; 53459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find the row we are supposed to sync to 53479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNeedSync) { 53489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update this first, since setNextSelectedPositionInt inspects it 53499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 5350e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = null; 53519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53520785279dad89d90564f42beb2c4620bf387a966eAdam Powell if (mTranscriptMode == TRANSCRIPT_MODE_ALWAYS_SCROLL) { 53539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_FORCE_BOTTOM; 53549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5355da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } else if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 5356da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mForceTranscriptScroll) { 5357da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mForceTranscriptScroll = false; 5358da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 5359da13dbae6fe0619101433ac861da460b8be63a36Adam Powell return; 5360da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 53610785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int childCount = getChildCount(); 5362ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell final int listBottom = getHeight() - getPaddingBottom(); 53630785279dad89d90564f42beb2c4620bf387a966eAdam Powell final View lastChild = getChildAt(childCount - 1); 53640785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 5365ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell if (mFirstPosition + childCount >= lastHandledItemCount && 5366ee78b173aae7ecb35b065c7499ac4f89b9c2f06eAdam Powell lastBottom <= listBottom) { 53670785279dad89d90564f42beb2c4620bf387a966eAdam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 53680785279dad89d90564f42beb2c4620bf387a966eAdam Powell return; 53690785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 53700785279dad89d90564f42beb2c4620bf387a966eAdam Powell // Something new came in and we didn't scroll; give the user a clue that 53710785279dad89d90564f42beb2c4620bf387a966eAdam Powell // there's something new. 53720785279dad89d90564f42beb2c4620bf387a966eAdam Powell awakenScrollBars(); 53730785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 53749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mSyncMode) { 53769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_SELECTED_POSITION: 53779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode()) { 53789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We saved our state when not in touch mode. (We know this because 53799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSyncMode is SYNC_SELECTED_POSITION.) Now we are trying to 53809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // restore in touch mode. Just leave mSyncPosition as it is (possibly 53819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // adjusting if the available range changed) and return. 53829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 53839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 53849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 53869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 53879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we can find a position in the new data with the same 53889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // id as the old selection. This will change mSyncPosition. 53899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = findSyncPosition(); 53909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= 0) { 53919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found it. Now verify that new selection is still selectable 53929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 53939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos == newPos) { 53949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Same row id is selected 53959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = newPos; 53969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSyncHeight == getHeight()) { 53989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are at the same height as when we saved state, try 53999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to restore the scroll position too. 54009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 54019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 54029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are not the same height as when the selection was saved, so 54039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't try to restore the exact position 54049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SET_SELECTION; 54059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Restore selection 54089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(newPos); 54099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 54109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 54149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_FIRST_POSITION: 54159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Leave mSyncPosition as it is -- just pin to available range 54169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 54179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 54189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 54209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode()) { 54249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We couldn't find matching data -- try to use the same position 54259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = getSelectedItemPosition(); 54269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pin position to the available range 54289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= count) { 54299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = count - 1; 54309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos < 0) { 54329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = 0; 54339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we select something selectable -- first look down 54369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 54379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 54399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 54409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 54419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 54429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Looking down didn't work -- try looking up 54439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, false); 54449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 54459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 54469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 54479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 54509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We already know where we want to resurrect the selection 54529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResurrectToPosition >= 0) { 54539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 54549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Nothing is selected. Give up and reset everything. 54609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = mStackFromBottom ? LAYOUT_FORCE_BOTTOM : LAYOUT_FORCE_TOP; 54619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition = INVALID_POSITION; 54629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRowId = INVALID_ROW_ID; 54639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedPosition = INVALID_POSITION; 54649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedRowId = INVALID_ROW_ID; 54659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 5466e181bd9b5e6a3e5382a1ff3c40b9ce2cb43c7971Dianne Hackborn mPendingSync = null; 5467079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 54689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkSelectionChanged(); 54699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 547143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy @Override 547243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy protected void onDisplayHint(int hint) { 547343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy super.onDisplayHint(hint); 547443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy switch (hint) { 547543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case INVISIBLE: 547643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 547743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy dismissPopup(); 547843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 547943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 548043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case VISIBLE: 548143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mFiltered && mPopup != null && !mPopup.isShowing()) { 548243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy showPopup(); 548343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 548443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 548543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 548624562487126b48c8ff39a42b76f3705f238da6c8Romain Guy mPopupHidden = hint == INVISIBLE; 548743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 548843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy 54899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the filter window 54919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5492d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void dismissPopup() { 54939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null) { 54949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.dismiss(); 54959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shows the filter window 55009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void showPopup() { 55029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we have a window before showing the popup 55039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getWindowVisibility() == View.VISIBLE) { 55044df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project createTextFilter(true); 5505b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project positionPopup(); 55069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we get focus if we are showing the popup 55079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkFocus(); 55089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5511b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project private void positionPopup() { 55129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int screenHeight = getResources().getDisplayMetrics().heightPixels; 55139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] xy = new int[2]; 55149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getLocationOnScreen(xy); 551524443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // TODO: The 20 below should come from the theme 55169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: And the gravity should be defined in the theme as well 55179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottomGap = screenHeight - xy[1] - getHeight() + (int) (mDensityScale * 20); 5518b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!mPopup.isShowing()) { 55199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 55209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xy[0], bottomGap); 55219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 55229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.update(xy[0], bottomGap, -1, -1); 55239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What is the distance between the source and destination rectangles given the direction of 55289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus navigation between them? The direction basically helps figure out more quickly what is 55299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * self evident by the relationship between the rects... 55309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source the source rectangle 55329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dest the destination rectangle 55339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction the direction 55349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the distance between the rectangles 55359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static int getDistance(Rect source, Rect dest, int direction) { 55379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sX, sY; // source x, y 55389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dX, dY; // dest x, y 55399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (direction) { 55409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_RIGHT: 55419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.right; 55429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 55439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left; 55449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 55459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 55469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_DOWN: 55479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 55489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.bottom; 55499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 55509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top; 55519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 55529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_LEFT: 55539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left; 55549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 55559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.right; 55569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 55579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 55589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_UP: 55599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 55609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top; 55619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 55629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.bottom; 55639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 55644e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_FORWARD: 55654e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_BACKWARD: 55664e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sX = source.right + source.width() / 2; 55674e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sY = source.top + source.height() / 2; 55684e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dX = dest.left + dest.width() / 2; 55694e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dY = dest.top + dest.height() / 2; 55704e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown break; 55719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 55729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("direction must be one of " 55734e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, " 55744e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "FOCUS_FORWARD, FOCUS_BACKWARD}."); 55759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaX = dX - sX; 55779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY = dY - sY; 55789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return deltaY * deltaY + deltaX * deltaX; 55799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 55829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isInFilterMode() { 55839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 55849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sends a key to the text filter window 55889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param keyCode The keycode for the event 55909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param event The actual key event 55919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the text filter handled the event, false otherwise. 55939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean sendToTextFilter(int keyCode, int count, KeyEvent event) { 5595b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!acceptFilter()) { 55969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 55979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 56009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean okToSend = true; 56019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 56029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 56039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 56049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 56059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 56069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 56079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 56089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 56099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_BACK: 561183fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn if (mFiltered && mPopup != null && mPopup.isShowing()) { 56128d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn if (event.getAction() == KeyEvent.ACTION_DOWN 56138d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn && event.getRepeatCount() == 0) { 5614b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown KeyEvent.DispatcherState state = getKeyDispatcherState(); 5615b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown if (state != null) { 5616b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown state.startTracking(event, this); 5617b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown } 561883fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 561983fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } else if (event.getAction() == KeyEvent.ACTION_UP 562083fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn && event.isTracking() && !event.isCanceled()) { 562183fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 562283fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn mTextFilter.setText(""); 562383fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } 56249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 56269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_SPACE: 56289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only send spaces once we are filtered 5629cf6c5720a759709db69f253c36646d22ceb23f90Romain Guy okToSend = mFiltered; 56309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5633b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (okToSend) { 56349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(true); 56359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent forwardEvent = event; 56379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (forwardEvent.getRepeatCount() > 0) { 5638105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project forwardEvent = KeyEvent.changeTimeRepeat(event, event.getEventTime(), 0); 56399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 56429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (action) { 56439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_DOWN: 56449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyDown(keyCode, forwardEvent); 56459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_UP: 56489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyUp(keyCode, forwardEvent); 56499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_MULTIPLE: 56529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyMultiple(keyCode, count, event); 56539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 56549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 56579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5660b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * Return an InputConnection for editing of the filter text. 5661b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 5662b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 5663b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 5664c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (isTextFilterEnabled()) { 56651bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (mPublicInputConnection == null) { 56661bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mDefInputConnection = new BaseInputConnection(this, false); 5667f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mPublicInputConnection = new InputConnectionWrapper(outAttrs); 56681bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 5669f69913056b8c6000ff0306573a97971702e8d35aRomain Guy outAttrs.inputType = EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_FILTER; 56701bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE; 56711bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mPublicInputConnection; 5672c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project } 5673c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project return null; 5674b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 56750a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5676f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private class InputConnectionWrapper implements InputConnection { 5677f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private final EditorInfo mOutAttrs; 5678f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private InputConnection mTarget; 5679f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5680f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public InputConnectionWrapper(EditorInfo outAttrs) { 5681f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mOutAttrs = outAttrs; 5682f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5683f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5684f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private InputConnection getTarget() { 5685f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) { 5686f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTarget = getTextFilterInput().onCreateInputConnection(mOutAttrs); 5687f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5688f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget; 5689f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5690f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5691f69913056b8c6000ff0306573a97971702e8d35aRomain Guy @Override 5692f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean reportFullscreenMode(boolean enabled) { 5693f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // Use our own input connection, since it is 5694f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // the "real" one the IME is talking with. 5695f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mDefInputConnection.reportFullscreenMode(enabled); 5696f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5697f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5698f69913056b8c6000ff0306573a97971702e8d35aRomain Guy @Override 5699f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean performEditorAction(int editorAction) { 5700f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // The editor is off in its own window; we need to be 5701f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // the one that does this. 5702f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (editorAction == EditorInfo.IME_ACTION_DONE) { 5703f69913056b8c6000ff0306573a97971702e8d35aRomain Guy InputMethodManager imm = (InputMethodManager) 5704f69913056b8c6000ff0306573a97971702e8d35aRomain Guy getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 5705f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (imm != null) { 5706f69913056b8c6000ff0306573a97971702e8d35aRomain Guy imm.hideSoftInputFromWindow(getWindowToken(), 0); 5707f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5708f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return true; 5709f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5710f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return false; 5711f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5712f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5713f69913056b8c6000ff0306573a97971702e8d35aRomain Guy @Override 5714f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean sendKeyEvent(KeyEvent event) { 5715f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // Use our own input connection, since the filter 5716f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // text view may not be shown in a window so has 5717f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // no ViewAncestor to dispatch events with. 5718f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mDefInputConnection.sendKeyEvent(event); 5719f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5720f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57210ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5722f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public CharSequence getTextBeforeCursor(int n, int flags) { 5723f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return ""; 5724f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getTextBeforeCursor(n, flags); 5725f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5726f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57270ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5728f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public CharSequence getTextAfterCursor(int n, int flags) { 5729f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return ""; 5730f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getTextAfterCursor(n, flags); 5731f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5732f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57330ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5734f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public CharSequence getSelectedText(int flags) { 5735f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return ""; 5736f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getSelectedText(flags); 5737f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5738f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57390ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5740f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public int getCursorCapsMode(int reqModes) { 5741f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTarget == null) return InputType.TYPE_TEXT_FLAG_CAP_SENTENCES; 5742f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget.getCursorCapsMode(reqModes); 5743f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5744f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57450ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5746f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public ExtractedText getExtractedText(ExtractedTextRequest request, int flags) { 5747f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().getExtractedText(request, flags); 5748f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5749f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57500ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5751f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean deleteSurroundingText(int beforeLength, int afterLength) { 5752f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().deleteSurroundingText(beforeLength, afterLength); 5753f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5754f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57550ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5756f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean setComposingText(CharSequence text, int newCursorPosition) { 5757f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().setComposingText(text, newCursorPosition); 5758f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5759f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57600ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5761f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean setComposingRegion(int start, int end) { 5762f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().setComposingRegion(start, end); 5763f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5764f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57650ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5766f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean finishComposingText() { 5767f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTarget == null || mTarget.finishComposingText(); 5768f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5769f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57700ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5771f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean commitText(CharSequence text, int newCursorPosition) { 5772f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().commitText(text, newCursorPosition); 5773f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5774f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57750ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5776f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean commitCompletion(CompletionInfo text) { 5777f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().commitCompletion(text); 5778f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5779f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57800ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5781f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean commitCorrection(CorrectionInfo correctionInfo) { 5782f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().commitCorrection(correctionInfo); 5783f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5784f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57850ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5786f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean setSelection(int start, int end) { 5787f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().setSelection(start, end); 5788f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5789f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57900ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5791f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean performContextMenuAction(int id) { 5792f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().performContextMenuAction(id); 5793f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5794f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 57950ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5796f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean beginBatchEdit() { 5797f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().beginBatchEdit(); 5798f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5799f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58000ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5801f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean endBatchEdit() { 5802f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().endBatchEdit(); 5803f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5804f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58050ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5806f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean clearMetaKeyStates(int states) { 5807f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().clearMetaKeyStates(states); 5808f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5809f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58100ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette @Override 5811f69913056b8c6000ff0306573a97971702e8d35aRomain Guy public boolean performPrivateCommand(String action, Bundle data) { 5812f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return getTarget().performPrivateCommand(action, data); 5813f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5814f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5815f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 5816b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 5817b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * For filtering we proxy an input connection to an internal text editor, 5818b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * and this allows the proxying to happen. 5819b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 5820b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 5821b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public boolean checkInputConnectionProxy(View view) { 5822b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project return view == mTextFilter; 5823b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 58240a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5825b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 58269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the window for the text filter and populates it with an EditText field; 58279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 58289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animateEntrance true if the window should appear with an animation 58299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 58309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createTextFilter(boolean animateEntrance) { 58319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 5832f69913056b8c6000ff0306573a97971702e8d35aRomain Guy PopupWindow p = new PopupWindow(getContext()); 58339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setFocusable(false); 58349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setTouchable(false); 58359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 5836f69913056b8c6000ff0306573a97971702e8d35aRomain Guy p.setContentView(getTextFilterInput()); 58379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setWidth(LayoutParams.WRAP_CONTENT); 58389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setHeight(LayoutParams.WRAP_CONTENT); 58399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setBackgroundDrawable(null); 58409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup = p; 58419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getViewTreeObserver().addOnGlobalLayoutListener(this); 5842d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = true; 58439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animateEntrance) { 58459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilter); 58469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 58479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilterRestore); 58489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5851f69913056b8c6000ff0306573a97971702e8d35aRomain Guy private EditText getTextFilterInput() { 5852f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (mTextFilter == null) { 5853f69913056b8c6000ff0306573a97971702e8d35aRomain Guy final LayoutInflater layoutInflater = LayoutInflater.from(getContext()); 5854f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter = (EditText) layoutInflater.inflate( 5855f69913056b8c6000ff0306573a97971702e8d35aRomain Guy com.android.internal.R.layout.typing_filter, null); 5856f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // For some reason setting this as the "real" input type changes 5857f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // the text view in some way that it doesn't work, and I don't 5858f69913056b8c6000ff0306573a97971702e8d35aRomain Guy // want to figure out why this is. 5859f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter.setRawInputType(EditorInfo.TYPE_CLASS_TEXT 5860f69913056b8c6000ff0306573a97971702e8d35aRomain Guy | EditorInfo.TYPE_TEXT_VARIATION_FILTER); 5861f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI); 5862f69913056b8c6000ff0306573a97971702e8d35aRomain Guy mTextFilter.addTextChangedListener(this); 5863f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5864f69913056b8c6000ff0306573a97971702e8d35aRomain Guy return mTextFilter; 5865f69913056b8c6000ff0306573a97971702e8d35aRomain Guy } 5866f69913056b8c6000ff0306573a97971702e8d35aRomain Guy 58679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 58689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear the text filter. 58699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 58709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearTextFilter() { 58719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 5872f69913056b8c6000ff0306573a97971702e8d35aRomain Guy getTextFilterInput().setText(""); 58739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 58749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null && mPopup.isShowing()) { 58759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 58769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 58819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns if the ListView currently has a text filter. 58829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 58839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasTextFilter() { 58849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 58859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58878fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 58889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onGlobalLayout() { 58899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isShown()) { 58909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the popup if we are filtered 589124562487126b48c8ff39a42b76f3705f238da6c8Romain Guy if (mFiltered && mPopup != null && !mPopup.isShowing() && !mPopupHidden) { 58929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 58939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 58959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Hide the popup when we are no longer visible 589643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 58979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 58989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 59041bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 59051bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 59069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 59078fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 59089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beforeTextChanged(CharSequence s, int start, int count, int after) { 59099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 59121bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Performs 59131bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * the actual filtering as the text changes, and takes care of hiding and 59141bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * showing the popup displaying the currently entered filter text. 59159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 59168fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 59179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTextChanged(CharSequence s, int start, int before, int count) { 5918f69913056b8c6000ff0306573a97971702e8d35aRomain Guy if (isTextFilterEnabled()) { 5919f69913056b8c6000ff0306573a97971702e8d35aRomain Guy createTextFilter(true); 59209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = s.length(); 59219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean showing = mPopup.isShowing(); 59229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!showing && length > 0) { 59239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the filter popup if necessary 59249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 59259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 59269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (showing && length == 0) { 59279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the filter popup if the user has cleared all text 59281bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn dismissPopup(); 59299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 59309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 59329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 59339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Filter should not be null when we reach this part 59349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (f != null) { 59359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(s, this); 59369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 59379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("You cannot call onTextChanged with a non " 59389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "filterable adapter"); 59399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 59451bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 59461bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 59479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 59488fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 59499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void afterTextChanged(Editable s) { 59509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59528fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 59539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onFilterComplete(int count) { 59549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition < 0 && count > 0) { 59559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 59569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 59579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5961aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell protected ViewGroup.LayoutParams generateDefaultLayoutParams() { 5962aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell return new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 5963aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell ViewGroup.LayoutParams.WRAP_CONTENT, 0); 5964aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell } 5965aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell 5966aebd28f729fa28016d70551d0372ab7fcd56ee1aAdam Powell @Override 59679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 59689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(p); 59699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 59729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 59739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AbsListView.LayoutParams(getContext(), attrs); 59749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 59779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 59789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p instanceof AbsListView.LayoutParams; 59799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 59829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts the list or grid into transcript mode. In this mode the list or grid will always scroll 59839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the bottom to show new items. 59849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 59859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the transcript mode to set 59869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 59879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_DISABLED 59889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_NORMAL 59899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_ALWAYS_SCROLL 59909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 59919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTranscriptMode(int mode) { 59929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTranscriptMode = mode; 59939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 59969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current transcript mode. 59979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 59989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #TRANSCRIPT_MODE_DISABLED}, {@link #TRANSCRIPT_MODE_NORMAL} or 59999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #TRANSCRIPT_MODE_ALWAYS_SCROLL} 60009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTranscriptMode() { 60029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTranscriptMode; 60039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 60069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSolidColor() { 60079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 60089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 60125be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * on top of a solid, single-color, opaque background. 60135be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * 60145be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * Zero means that what's behind this object is translucent (non solid) or is not made of a 60155be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * single color. This hint will not affect any existing background drawable set on this view ( 60165be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * typically set via {@link #setBackgroundDrawable(Drawable)}). 60179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 60189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color The background color 60199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCacheColorHint(int color) { 602152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (color != mCacheColorHint) { 602252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mCacheColorHint = color; 602352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy int count = getChildCount(); 602452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; i++) { 602552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy getChildAt(i).setDrawingCacheBackgroundColor(color); 602652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 602752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mRecycler.setCacheColorHint(color); 602852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 60299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 60339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on top of a solid, single-color, opaque background 60349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 60359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The cache color hint 60369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60377b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy @ViewDebug.ExportedProperty(category = "drawing") 60389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCacheColorHint() { 60399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 60409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 60439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views (excluding headers and footers) held by this AbsListView into the supplied 60449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List. This includes views displayed on the screen as well as views stored in AbsListView's 60459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal view recycler. 60469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 60479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param views A list into which to put the reclaimed views 60489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 60499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reclaimViews(List<View> views) { 60509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childCount = getChildCount(); 60519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RecyclerListener listener = mRecycler.mRecyclerListener; 60529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reclaim views on screen 60549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 60559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 605613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 60579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reclaim header or footer views, or views that should be ignored 60589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp != null && mRecycler.shouldRecycleViewType(lp.viewType)) { 60599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 6060c1d7e770e123adfa992d013fa294693d077cbc78alanv child.setAccessibilityDelegate(null); 60619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (listener != null) { 60629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend they went through the scrap heap 60639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onMovedToScrapHeap(child); 60649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.reclaimScrapViews(views); 60689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 60699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6071637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private void finishGlows() { 6072637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 6073637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.finish(); 6074637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.finish(); 6075637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 6076637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 6077637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 607813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 6079499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Sets up this AbsListView to use a remote views adapter which connects to a RemoteViewsService 6080499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * through the specified intent. 6081499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * @param intent the intent used to identify the RemoteViewsService for the adapter to connect to. 6082499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 6083499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void setRemoteViewsAdapter(Intent intent) { 60849b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 60859b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // service handling the specified intent. 60863ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (mRemoteAdapter != null) { 60873ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcNew = new Intent.FilterComparison(intent); 60883ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcOld = new Intent.FilterComparison( 60893ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung mRemoteAdapter.getRemoteViewsServiceIntent()); 60903ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (fcNew.equals(fcOld)) { 60913ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung return; 60923ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung } 60939b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung } 60942148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mDeferNotifyDataSetChanged = false; 60959b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Otherwise, create a new RemoteViewsAdapter for binding 6096499cb9f516062b654952d282f211bee44c31a3c2Winson Chung mRemoteAdapter = new RemoteViewsAdapter(getContext(), intent, this); 6097335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen if (mRemoteAdapter.isDataReady()) { 6098335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen setAdapter(mRemoteAdapter); 6099335c3b681bf1c118d9bf22d1a508c87173632ec6Adam Cohen } 6100499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 6101499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 6102499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 6103a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen * Sets up the onClickHandler to be used by the RemoteViewsAdapter when inflating RemoteViews 61040ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette * 6105a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen * @param handler The OnClickHandler to use when inflating RemoteViews. 61060ebe81e8b1f2b9db8d41b72a6dae8d6848b51cc5Alan Viverette * 6107a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen * @hide 6108a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen */ 6109a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen public void setRemoteViewsOnClickHandler(OnClickHandler handler) { 6110a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 6111a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen // service handling the specified intent. 6112a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen if (mRemoteAdapter != null) { 6113a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen mRemoteAdapter.setRemoteViewsOnClickHandler(handler); 6114a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen } 6115a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen } 6116a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen 6117a6a4cbc18f7e5a3831d787d3f398e02c5eae6512Adam Cohen /** 61182148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen * This defers a notifyDataSetChanged on the pending RemoteViewsAdapter if it has not 61192148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen * connected yet. 61202148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen */ 61218fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 61222148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen public void deferNotifyDataSetChanged() { 61232148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mDeferNotifyDataSetChanged = true; 61242148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen } 61252148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen 61262148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen /** 6127499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter connects to the RemoteViewsService. 6128499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 61298fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 613016c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung public boolean onRemoteAdapterConnected() { 6131499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (mRemoteAdapter != mAdapter) { 6132499cb9f516062b654952d282f211bee44c31a3c2Winson Chung setAdapter(mRemoteAdapter); 61332148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen if (mDeferNotifyDataSetChanged) { 61342148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mRemoteAdapter.notifyDataSetChanged(); 61352148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen mDeferNotifyDataSetChanged = false; 61362148d43eb23c702e834c93ae427f822f32d280a2Adam Cohen } 613716c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return false; 6138fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen } else if (mRemoteAdapter != null) { 6139fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen mRemoteAdapter.superNotifyDataSetChanged(); 614016c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return true; 6141499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 614216c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return false; 6143499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 6144499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 6145499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 6146499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter disconnects from the RemoteViewsService. 6147499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 61488fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6149499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterDisconnected() { 6150fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // If the remote adapter disconnects, we keep it around 6151fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // since the currently displayed items are still cached. 6152fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // Further, we want the service to eventually reconnect 6153fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // when necessary, as triggered by this view requesting 6154fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // items from the Adapter. 6155499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 6156499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 6157499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 6158b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen * Hints the RemoteViewsAdapter, if it exists, about which views are currently 6159b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen * being displayed by the AbsListView. 6160b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen */ 6161b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen void setVisibleRangeHint(int start, int end) { 6162b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen if (mRemoteAdapter != null) { 6163b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen mRemoteAdapter.setVisibleRangeHint(start, end); 6164b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen } 6165b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen } 6166b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen 6167b967392e0170af8cfd8053fd43fcdf8c46f703e9Adam Cohen /** 61689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the recycler listener to be notified whenever a View is set aside in 61699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the recycler for later reuse. This listener can be used to free resources 61709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to the View. 61719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The recycler listener to be notified of views set aside 61739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the recycler. 61749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 61759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 61769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 61779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 61789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRecyclerListener(RecyclerListener listener) { 61799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.mRecyclerListener = listener; 61809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6182b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell class AdapterDataSetObserver extends AdapterView<ListAdapter>.AdapterDataSetObserver { 6183b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell @Override 6184b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell public void onChanged() { 6185b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell super.onChanged(); 6186b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell if (mFastScroller != null) { 6187b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell mFastScroller.onSectionsChanged(); 6188b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6189b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6190b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell 6191b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell @Override 6192b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell public void onInvalidated() { 6193b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell super.onInvalidated(); 6194b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell if (mFastScroller != null) { 6195b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell mFastScroller.onSectionsChanged(); 6196b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6197b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6198b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 6199b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell 62009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6201f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * A MultiChoiceModeListener receives events for {@link AbsListView#CHOICE_MODE_MULTIPLE_MODAL}. 6202f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * It acts as the {@link ActionMode.Callback} for the selection mode and also receives 6203f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #onItemCheckedStateChanged(ActionMode, int, long, boolean)} events when the user 6204f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selects and deselects list items. 6205f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 6206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public interface MultiChoiceModeListener extends ActionMode.Callback { 6207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 6208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Called when an item is checked or unchecked during selection mode. 6209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 6210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param mode The {@link ActionMode} providing the selection mode 6211f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position Adapter position of the item that was checked or unchecked 6212f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param id Adapter ID of the item that was checked or unchecked 6213f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param checked <code>true</code> if the item is now checked, <code>false</code> 6214f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the item is now unchecked. 6215f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 6216f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 6217f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked); 6218f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6219f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell class MultiChoiceModeWrapper implements MultiChoiceModeListener { 6221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell private MultiChoiceModeListener mWrapped; 6222f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6223f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setWrapped(MultiChoiceModeListener wrapped) { 6224f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped = wrapped; 6225f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6226f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6227a798170f2abe198f806b12dd904830bc25257525Adam Powell public boolean hasWrappedCallback() { 6228a798170f2abe198f806b12dd904830bc25257525Adam Powell return mWrapped != null; 6229a798170f2abe198f806b12dd904830bc25257525Adam Powell } 6230a798170f2abe198f806b12dd904830bc25257525Adam Powell 62318fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6232f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onCreateActionMode(ActionMode mode, Menu menu) { 6233f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mWrapped.onCreateActionMode(mode, menu)) { 6234f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Initialize checked graphic state? 6235f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(false); 6236f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 6237f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6238f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 6239f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6240f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 62418fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6242f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 6243f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onPrepareActionMode(mode, menu); 6244f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6245f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 62468fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6247f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 6248f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onActionItemClicked(mode, item); 6249f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6250f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 62518fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6252f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onDestroyActionMode(ActionMode mode) { 6253f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onDestroyActionMode(mode); 6254f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 6255f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6256f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Ending selection mode means deselecting everything. 6257f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 6258f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6259f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 6260f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 6261f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 6262f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6263f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 6264f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6265f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 62668fa327a2fc1af466d59e7fb4969905865aa99a17Alan Viverette @Override 6267f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 6268f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked) { 6269f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onItemCheckedStateChanged(mode, position, id, checked); 6270f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6271f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // If there are no items selected we no longer need the selection mode. 6272f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (getCheckedItemCount() == 0) { 6273f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mode.finish(); 6274f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6275f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6276f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 6277f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6278f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 62799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AbsListView extends LayoutParams to provide a place to hold the view type. 62809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 62819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams extends ViewGroup.LayoutParams { 62829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 62839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View type for this view, as returned by 62849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.Adapter#getItemViewType(int) } 62859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6286bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list", mapping = { 62879bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_IGNORE, to = "ITEM_VIEW_TYPE_IGNORE"), 62889bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_HEADER_OR_FOOTER, to = "ITEM_VIEW_TYPE_HEADER_OR_FOOTER") 62899bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell }) 62909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType; 62919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 62924df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 62934df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * When this boolean is set, the view has been added to the AbsListView 62944df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * at least once. It is used to know whether headers/footers have already 62954df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * been added to the list view and whether they should be treated as 62964df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * recycled views or not. 62974df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 6298bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 62994df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project boolean recycledHeaderFooter; 63004df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 63010bf88594c43ced48d862d122e3e84967b3b63658Romain Guy /** 63020bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * When an AbsListView is measured with an AT_MOST measure spec, it needs 63030bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * to obtain children views to measure itself. When doing so, the children 63040bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * are not attached to the window, but put in the recycler which assumes 63050bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * they've been attached before. Setting this flag will force the reused 63060bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * view to be attached to the window rather than just attached to the 63070bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * parent. 63080bf88594c43ced48d862d122e3e84967b3b63658Romain Guy */ 6309bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 63100bf88594c43ced48d862d122e3e84967b3b63658Romain Guy boolean forceAdd; 63110bf88594c43ced48d862d122e3e84967b3b63658Romain Guy 6312079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 6313079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The position the view was removed from when pulled out of the 6314079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * scrap heap. 6315079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @hide 6316079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 6317079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int scrappedFromPosition; 6318079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 6319539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 6320539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * The ID the view represents 6321539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 6322539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell long itemId = -1; 6323539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 63249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 63259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(c, attrs); 63269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h) { 63299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 63309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h, int viewType) { 63339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 63349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.viewType = viewType; 63359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 63389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 63399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A RecyclerListener is used to receive a notification whenever a View is placed 63449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the RecycleBin's scrap heap. This listener is used to free resources 63459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to Views placed in the RecycleBin. 63469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 63479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 63489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 63499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static interface RecyclerListener { 63519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the specified View was moved into the recycler's scrap heap. 63539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not displayed on screen any more and any expensive resource 63549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated with the view should be discarded. 63559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 63569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view 63579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMovedToScrapHeap(View view); 63599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The RecycleBin facilitates reuse of views across layouts. The RecycleBin has two levels of 63639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage: ActiveViews and ScrapViews. ActiveViews are those views which were onscreen at the 63649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of a layout. By construction, they are displaying current information. At the end of 63659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, all views in ActiveViews are demoted to ScrapViews. ScrapViews are old views that 63669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could potentially be used by the adapter to avoid allocating views unnecessarily. 63679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 63689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 63699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 63709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class RecycleBin { 63729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RecyclerListener mRecyclerListener; 63739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the first view stored in mActiveViews. 63769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFirstActivePosition; 63789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views that were on screen at the start of layout. This array is populated at the start of 63819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, and at the end of layout all view in mActiveViews are moved to mScrapViews. 63829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views in mActiveViews represent a contiguous range of Views, with position of the first 63839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view store in mFirstActivePosition. 63849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mActiveViews = new View[0]; 63869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unsorted views that can be used by the adapter as a convert view. 63899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View>[] mScrapViews; 63919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewTypeCount; 63939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 63949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View> mCurrentScrap; 63959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6396539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell private ArrayList<View> mSkippedScrap; 6397539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6398539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell private SparseArray<View> mTransientStateViews; 6399728713258ffef4df053b85e0a3488334cbcba24cChet Haase private LongSparseArray<View> mTransientStateViewsById; 6400539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 64019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewTypeCount(int viewTypeCount) { 64029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (viewTypeCount < 1) { 64039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Can't have a viewTypeCount < 1"); 64049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 64069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View>[] scrapViews = new ArrayList[viewTypeCount]; 64079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; i++) { 64089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews[i] = new ArrayList<View>(); 64099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewTypeCount = viewTypeCount; 64119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap = scrapViews[0]; 64129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews = scrapViews; 64139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64144e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 6415f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell public void markChildrenDirty() { 6416f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (mViewTypeCount == 1) { 6417f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mCurrentScrap; 6418f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 6419f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < scrapCount; i++) { 6420f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(i).forceLayout(); 6421f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6422f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } else { 6423f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int typeCount = mViewTypeCount; 6424f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < typeCount; i++) { 6425f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mScrapViews[i]; 6426f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 6427f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int j = 0; j < scrapCount; j++) { 6428f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(j).forceLayout(); 6429f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6430f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6431f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 6432539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mTransientStateViews != null) { 6433539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final int count = mTransientStateViews.size(); 6434539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell for (int i = 0; i < count; i++) { 6435539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mTransientStateViews.valueAt(i).forceLayout(); 6436539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6437539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6438728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViewsById != null) { 6439728713258ffef4df053b85e0a3488334cbcba24cChet Haase final int count = mTransientStateViewsById.size(); 6440728713258ffef4df053b85e0a3488334cbcba24cChet Haase for (int i = 0; i < count; i++) { 6441728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.valueAt(i).forceLayout(); 6442728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6443728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6444f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 64450a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 64469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldRecycleViewType(int viewType) { 64479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return viewType >= 0; 64489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 64519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clears the scrap heap. 64529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 64539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 64549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 64559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mCurrentScrap; 64569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 64579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < scrapCount; i++) { 64589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - i), false); 64599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 64619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int typeCount = mViewTypeCount; 64629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < typeCount; i++) { 64639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mScrapViews[i]; 64649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 64659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < scrapCount; j++) { 64669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - j), false); 64679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6470539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mTransientStateViews != null) { 6471539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mTransientStateViews.clear(); 6472539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6473728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViewsById != null) { 6474728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.clear(); 6475728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 64769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 64799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill ActiveViews with all of the children of the AbsListView. 64809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 64819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childCount The minimum number of views mActiveViews should hold 64829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstActivePosition The position of the first view that will be stored in 64839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews 64849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 64859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void fillActiveViews(int childCount, int firstActivePosition) { 64869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActiveViews.length < childCount) { 64879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActiveViews = new View[childCount]; 64889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition = firstActivePosition; 64909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6491f69913056b8c6000ff0306573a97971702e8d35aRomain Guy //noinspection MismatchedReadAndWriteOfArray 64929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 64939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 64949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 64959c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 64969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views into the scrap heap 64979c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy if (lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 64989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note: We do place AdapterView.ITEM_VIEW_TYPE_IGNORE in active views. 64999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // However, we will NOT place them into scrap views. 65004df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project activeViews[i] = child; 65019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the view corresponding to the specified position. The view will be removed from 65079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews if it is found. 65089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 65099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to look up in mActiveViews 65109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The view if it is found, null otherwise 65119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getActiveView(int position) { 65139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = position - mFirstActivePosition; 65149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 65159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >=0 && index < activeViews.length) { 65169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View match = activeViews[index]; 65179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[index] = null; 65189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return match; 65199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 65219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6523539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell View getTransientStateView(int position) { 6524728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mAdapter != null && mAdapterHasStableIds && mTransientStateViewsById != null) { 6525728713258ffef4df053b85e0a3488334cbcba24cChet Haase long id = mAdapter.getItemId(position); 6526728713258ffef4df053b85e0a3488334cbcba24cChet Haase View result = mTransientStateViewsById.get(id); 6527728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.remove(id); 6528728713258ffef4df053b85e0a3488334cbcba24cChet Haase return result; 6529539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6530728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViews != null) { 6531728713258ffef4df053b85e0a3488334cbcba24cChet Haase final int index = mTransientStateViews.indexOfKey(position); 6532728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (index >= 0) { 6533728713258ffef4df053b85e0a3488334cbcba24cChet Haase View result = mTransientStateViews.valueAt(index); 6534728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViews.removeAt(index); 6535728713258ffef4df053b85e0a3488334cbcba24cChet Haase return result; 6536728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6537539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6538728713258ffef4df053b85e0a3488334cbcba24cChet Haase return null; 6539539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6540539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6541539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 6542539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * Dump any currently saved views with transient state. 6543539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 6544539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell void clearTransientStateViews() { 6545539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mTransientStateViews != null) { 6546539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mTransientStateViews.clear(); 6547539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6548728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViewsById != null) { 6549728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.clear(); 6550728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6551539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6552539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 65539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 65549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view from the ScrapViews collection. These are unordered. 65559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 65569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getScrapView(int position) { 65579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 6558079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mCurrentScrap, position); 65599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 65609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int whichScrap = mAdapter.getItemViewType(position); 65619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whichScrap >= 0 && whichScrap < mScrapViews.length) { 6562079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mScrapViews[whichScrap], position); 65639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 65669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6569d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * Puts a view into the list of scrap views. 6570d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * <p> 6571d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * If the list data hasn't changed or the adapter has stable IDs, views 6572d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * with transient state will be preserved for later retrieval. 65739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 65749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrap The view to add 6575d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette * @param position The view's position within its parent 65769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6577079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void addScrapView(View scrap, int position) { 6578d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette final AbsListView.LayoutParams lp = (AbsListView.LayoutParams) scrap.getLayoutParams(); 65799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp == null) { 65809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 65819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6583539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell lp.scrappedFromPosition = position; 6584539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6585d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // Don't scrap header or footer views, or views that should 6586d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // otherwise not be recycled. 6587d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette final int viewType = lp.viewType; 6588d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (!shouldRecycleViewType(viewType)) { 6589d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette return; 6590d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 6591d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette 6592d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette scrap.dispatchStartTemporaryDetach(); 6593d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette 6594d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // Don't scrap views that have transient state. 6595539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final boolean scrapHasTransientState = scrap.hasTransientState(); 6596d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (scrapHasTransientState) { 6597d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mAdapter != null && mAdapterHasStableIds) { 6598d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // If the adapter has stable IDs, we can reuse the view for 6599d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // the same data. 6600d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mTransientStateViewsById == null) { 6601d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViewsById = new LongSparseArray<View>(); 6602d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 6603d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViewsById.put(lp.itemId, scrap); 6604d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else if (!mDataChanged) { 6605d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // If the data hasn't changed, we can reuse the views at 6606d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // their old positions. 6607d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mTransientStateViews == null) { 6608d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViews = new SparseArray<View>(); 6609d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 6610d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mTransientStateViews.put(position, scrap); 6611d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else { 6612d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette // Otherwise, we'll have to remove the view and start over. 6613539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mSkippedScrap == null) { 6614539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mSkippedScrap = new ArrayList<View>(); 6615539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6616539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mSkippedScrap.add(scrap); 6617539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6618d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else { 6619d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mViewTypeCount == 1) { 6620d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mCurrentScrap.add(scrap); 6621d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } else { 6622d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mScrapViews[viewType].add(scrap); 66239b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 66249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6625d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette scrap.setAccessibilityDelegate(null); 66269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6627d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette if (mRecyclerListener != null) { 6628d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette mRecyclerListener.onMovedToScrapHeap(scrap); 6629d44696c4cfdda1e7e4e10a21b68f54ce5a4a459dAlan Viverette } 66309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6634539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell * Finish the removal of any views that skipped the scrap heap. 6635539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell */ 6636539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell void removeSkippedScrap() { 6637539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (mSkippedScrap == null) { 6638539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell return; 6639539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6640539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final int count = mSkippedScrap.size(); 6641539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell for (int i = 0; i < count; i++) { 6642539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell removeDetachedView(mSkippedScrap.get(i), false); 6643539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6644539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell mSkippedScrap.clear(); 6645539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6646539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell 6647539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell /** 66489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views remaining in mActiveViews to mScrapViews. 66499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 66509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void scrapActiveViews() { 66519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 66529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasListener = mRecyclerListener != null; 66539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean multipleScraps = mViewTypeCount > 1; 66549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> scrapViews = mCurrentScrap; 66569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = activeViews.length; 6657a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = count - 1; i >= 0; i--) { 66589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View victim = activeViews[i]; 66599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (victim != null) { 6660079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final AbsListView.LayoutParams lp 6661079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn = (AbsListView.LayoutParams) victim.getLayoutParams(); 6662079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int whichScrap = lp.viewType; 66639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[i] = null; 66659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6666539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell final boolean scrapHasTransientState = victim.hasTransientState(); 6667539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (!shouldRecycleViewType(whichScrap) || scrapHasTransientState) { 66689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do not move views that should be ignored 6669b7e0f7942b97c1f88f4aa2338cbf3623fdfdad97Romain Guy if (whichScrap != ITEM_VIEW_TYPE_HEADER_OR_FOOTER && 6670539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell scrapHasTransientState) { 66719b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(victim, false); 66729b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 6673539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell if (scrapHasTransientState) { 6674728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mAdapter != null && mAdapterHasStableIds) { 6675728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViewsById == null) { 6676728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById = new LongSparseArray<View>(); 6677728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6678728713258ffef4df053b85e0a3488334cbcba24cChet Haase long id = mAdapter.getItemId(mFirstActivePosition + i); 6679728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.put(id, victim); 6680728713258ffef4df053b85e0a3488334cbcba24cChet Haase } else { 6681728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViews == null) { 6682728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViews = new SparseArray<View>(); 6683728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6684728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViews.put(mFirstActivePosition + i, victim); 6685539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 6686539ee8716b4f81260bab2e9f3dc5d88d81c99985Adam Powell } 66879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 66889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 66909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (multipleScraps) { 66919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews = mScrapViews[whichScrap]; 66929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6693a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy victim.dispatchStartTemporaryDetach(); 6694079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn lp.scrappedFromPosition = mFirstActivePosition + i; 66959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews.add(victim); 66969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6697c1d7e770e123adfa992d013fa294693d077cbc78alanv victim.setAccessibilityDelegate(null); 66989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasListener) { 66999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(victim); 67009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pruneScrapViews(); 67059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 67089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes sure that the size of mScrapViews does not exceed the size of mActiveViews. 67099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (This can happen if an adapter does not recycle its views). 67109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 67119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void pruneScrapViews() { 67129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int maxViews = mActiveViews.length; 67139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 67149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 67159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 67169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 67179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapPile.size(); 67189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int extras = size - maxViews; 67199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size--; 67209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < extras; j++) { 67219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrapPile.remove(size--), false); 67229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6724bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell 6725bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell if (mTransientStateViews != null) { 6726bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell for (int i = 0; i < mTransientStateViews.size(); i++) { 6727bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell final View v = mTransientStateViews.valueAt(i); 6728bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell if (!v.hasTransientState()) { 6729bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell mTransientStateViews.removeAt(i); 6730bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell i--; 6731bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell } 6732bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell } 6733bf1b81fb25b140fb9a55fc6d6b2383c851290432Adam Powell } 6734728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (mTransientStateViewsById != null) { 6735728713258ffef4df053b85e0a3488334cbcba24cChet Haase for (int i = 0; i < mTransientStateViewsById.size(); i++) { 6736728713258ffef4df053b85e0a3488334cbcba24cChet Haase final View v = mTransientStateViewsById.valueAt(i); 6737728713258ffef4df053b85e0a3488334cbcba24cChet Haase if (!v.hasTransientState()) { 6738728713258ffef4df053b85e0a3488334cbcba24cChet Haase mTransientStateViewsById.removeAt(i); 6739728713258ffef4df053b85e0a3488334cbcba24cChet Haase i--; 6740728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6741728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 6742728713258ffef4df053b85e0a3488334cbcba24cChet Haase } 67439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 67469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts all views in the scrap heap into the supplied list. 67479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 67489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reclaimScrapViews(List<View> views) { 67499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 67509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(mCurrentScrap); 67519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 67529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 67539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 67549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 67559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 67569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(scrapPile); 67579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 676052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy 676152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy /** 676252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * Updates the cache color hint of all known views. 676352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * 676452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * @param color The new cache color hint. 676552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy */ 676652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy void setCacheColorHint(int color) { 676752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (mViewTypeCount == 1) { 676852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mCurrentScrap; 676952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 677052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < scrapCount; i++) { 677152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy scrap.get(i).setDrawingCacheBackgroundColor(color); 677252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 677352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } else { 677452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int typeCount = mViewTypeCount; 677552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < typeCount; i++) { 677652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mScrapViews[i]; 677752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 677852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int j = 0; j < scrapCount; j++) { 6779266e05179cc8f5fe6324510aa54bb8c1779d2f6cRomain Guy scrap.get(j).setDrawingCacheBackgroundColor(color); 678052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 678152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 678252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 678352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy // Just in case this is called during a layout pass 678452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View[] activeViews = mActiveViews; 678552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int count = activeViews.length; 678652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; ++i) { 678752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View victim = activeViews[i]; 678852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (victim != null) { 678952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy victim.setDrawingCacheBackgroundColor(color); 679052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 679152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 679252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 67939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6794079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 6795079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn static View retrieveFromScrap(ArrayList<View> scrapViews, int position) { 6796079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int size = scrapViews.size(); 6797079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (size > 0) { 6798079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // See if we still have a view for this position. 6799079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn for (int i=0; i<size; i++) { 6800079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn View view = scrapViews.get(i); 6801079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (((AbsListView.LayoutParams)view.getLayoutParams()) 6802079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn .scrappedFromPosition == position) { 6803079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn scrapViews.remove(i); 6804079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return view; 6805079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 6806079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 6807079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return scrapViews.remove(size - 1); 6808079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 6809079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return null; 6810079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 6811079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 68129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6813