AbsListView.java revision 0a1b818b8c45c8b100eeabb5c59bb4d85cf90868
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 19234a5715309ea74757780aff6123e3144efb5b69Adam Powellimport com.android.internal.R; 20234a5715309ea74757780aff6123e3144efb5b69Adam Powell 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 22499cb9f516062b654952d282f211bee44c31a3c2Winson Chungimport android.content.Intent; 23637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powellimport android.content.res.Resources; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.TransitionDrawable; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 331cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrickimport android.os.StrictMode; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Editable; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextWatcher; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 3852964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunneimport android.util.Log; 39f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.util.LongSparseArray; 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; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 581bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.BaseInputConnection; 59b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.EditorInfo; 60b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.InputConnection; 611bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.InputConnectionWrapper; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.inputmethod.InputMethodManager; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 68d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Base class that can be used to implement virtualized lists of items. A list does 69d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * not have a spatial definition here. For instance, subclases of this class can 70d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * display the content of the list in a grid, in a carousel, as stack, etc. 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_stackFromBottom 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_scrollingCache 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_textFilterEnabled 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_transcriptMode 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_cacheColorHint 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_fastScrollEnabled 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 81f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @attr ref android.R.styleable#AbsListView_choiceMode 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class AbsListView extends AdapterView<ListAdapter> implements TextWatcher, 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewTreeObserver.OnGlobalLayoutListener, Filter.FilterListener, 85499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ViewTreeObserver.OnTouchModeChangeListener, 86499cb9f516062b654952d282f211bee44c31a3c2Winson Chung RemoteViewsAdapter.RemoteAdapterConnectionCallback { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disables the transcript mode. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_DISABLED = 0; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom when a data set change 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * notification is received and only if the last item is already visible 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on screen. 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_NORMAL = 1; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom, no matter what items 1040a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * are currently visible. 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_ALWAYS_SCROLL = 2; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that we are not in the middle of a touch gesture 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_REST = -1; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The 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 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scroll gesture. 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DOWN = 0; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch has been recognized as a tap and we are now waiting to see if the touch 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a longpress 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_TAP = 1; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates we have waited for everything we can wait for, but the user's finger is still down 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DONE_WAITING = 2; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch gesture is a scroll 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_SCROLL = 3; 1364e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the view is in the process of being flung 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_FLING = 4; 1410a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 143637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the touch gesture is an overscroll - a scroll beyond the beginning or end. 144637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 145637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERSCROLL = 5; 146637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 147637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 148637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the view is being flung outside of normal content bounds 149637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * and will spring back. 150637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 151637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERFLING = 6; 152637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 153637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Regular layout - usually an unsolicited layout from the view system 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_NORMAL = 0; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the first item 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_TOP = 1; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Force the selected item to be on somewhere on the screen 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SET_SELECTION = 2; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the last item 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_BOTTOM = 3; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make a mSelectedItem appear in a specific location and build the rest of 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the views from there. The top is specified by mSpecificTop. 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SPECIFIC = 4; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout to sync as a result of a data change. Restore mSyncPosition to have its top 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at mSpecificTop 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SYNC = 5; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout as a result of using the navigation keys 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_MOVE_SELECTION = 6; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 191f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Normal list that does not indicate choices 192f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 193f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_NONE = 0; 194f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 195f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 196f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows up to one choice 197f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 198f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_SINGLE = 1; 199f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 200f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 201f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices 202f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 203f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE = 2; 204f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 205f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices in a modal selection mode 207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE_MODAL = 3; 209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 211f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls if/how the user may choose/check items in the list 212f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 213f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mChoiceMode = CHOICE_MODE_NONE; 214f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 215f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 216f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls CHOICE_MODE_MULTIPLE_MODAL. null when inactive. 217f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 218f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ActionMode mChoiceActionMode; 219f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Wrapper for the multiple choice mode callback; AbsListView needs to perform 222f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * a few extra actions around what application code does. 223f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 224f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell MultiChoiceModeWrapper mMultiChoiceModeCallback; 225f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 226f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 227f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running count of how many items are currently checked 228f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 229f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mCheckedItemCount; 230f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 231f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 232f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which positions are currently checked 233f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 234f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray mCheckStates; 235f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 236f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 237f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which IDs are currently checked 238f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 239f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell LongSparseArray<Boolean> mCheckedIdStates; 240f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 241f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the next layout will happen 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLayoutMode = LAYOUT_NORMAL; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be used by subclasses to listen to changes in the dataset 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AdapterDataSetObserver mDataSetObserver; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The adapter containing the data to be displayed by this view 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListAdapter mAdapter; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 257499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * The remote adapter containing the data to be displayed by this view to be set 258499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 259499cb9f516062b654952d282f211bee44c31a3c2Winson Chung private RemoteViewsAdapter mRemoteAdapter; 260499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 261499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list selector should be drawn on top of the children or behind 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mDrawSelectorOnTop = false; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The drawable used to draw the selector 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable mSelector; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 272079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * Set to true if we would like to have the selector showing itself. 273079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * We still need to draw and position it even if this is false. 274079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 275079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn boolean mSelectorShowing; 276079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 277079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 278079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The current position of the selector in the list. 279079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 280079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mSelectorPosition = INVALID_POSITION; 281079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 282079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the selector's location and dimension at drawing time 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mSelectorRect = new Rect(); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data set used to store unused views that should be reused during the next layout 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to avoid creating new ones 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RecycleBin mRecycler = new RecycleBin(); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's left padding 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionLeftPadding = 0; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's top padding 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionTopPadding = 0; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's right padding 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionRightPadding = 0; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's bottom padding 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionBottomPadding = 0; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view's padding 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mListPadding = new Rect(); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses must retain their measure spec from onMeasure() into this member 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mWidthMeasureSpec = 0; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top scroll indicator 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollUp; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The down scroll indicator 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollDown; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the view is scrolling, this flag is set to true to indicate subclasses that 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the drawing cache was enabled on the children 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCachingStarted; 3380211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy boolean mCachingActive; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the view that received the down motion event 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionPosition; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset to the top of the mMotionPosition view when the down motion event was received 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewOriginalTop; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The desired offset to the top of the mMotionPosition view after a scroll 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewNewTop; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The X value associated with the the down motion event 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionX; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Y value associated with the the down motion event 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionY; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * One of TOUCH_MODE_REST, TOUCH_MODE_DOWN, TOUCH_MODE_TAP, TOUCH_MODE_SCROLL, or 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TOUCH_MODE_DONE_WAITING 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mTouchMode = TOUCH_MODE_REST; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value from on the previous motion event (if any) 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLastY; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How far the finger moved before we started scrolling 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionCorrection; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determines speed during touch scrolling 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VelocityTracker mVelocityTracker; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Handles one frame of a fling 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FlingRunnable mFlingRunnable; 3904e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 391458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 392458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Handles scrolling between positions within the list. 393458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 394458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private PositionScroller mPositionScroller; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset in pixels form the top of the AdapterView to the top 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the currently selected view. Used to save and restore state. 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectedTop = 0; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list is stacked from the bottom edge or 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the top edge. 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStackFromBottom; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to true, the list automatically discards the children's 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap cache after scrolling. 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mScrollingCacheEnabled; 4130a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Whether or not to enable the fast scroll feature on this list 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mFastScrollEnabled; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Optional callback to notify client when scroll position has changed 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnScrollListener mOnScrollListener; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Keeps track of our accessory window 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow mPopup; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used with type filter window 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EditText mTextFilter; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether to use pixels-based or position-based scrollbar 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * properties. 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSmoothScrollbarEnabled = true; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view supports filtering 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTextFilterEnabled; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view is currently displaying a filtered view of the data 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFiltered; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rectangle used for hit testing children 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTouchFrame; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position to resurrect the selected position to. 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mResurrectToPosition = INVALID_POSITION; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContextMenuInfo mContextMenuInfo = null; 4614e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4620b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell /** 463637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to record overscroll 464637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 465637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollMax; 466637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 467637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 468637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Content height divided by this is the overscroll limit. 469637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 470637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int OVERSCROLL_LIMIT_DIVISOR = 3; 471637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 472637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to request a layout when we changed touch mode 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_UNKNOWN = -1; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_ON = 0; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_OFF = 1; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastTouchMode = TOUCH_MODE_UNKNOWN; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_SCROLLING = false; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mScrollProfilingStarted = false; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_FLINGING = false; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFlingProfilingStarted = false; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4881cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * The StrictMode "critical time span" objects to catch animation 4891cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * stutters. Non-null when a time-sensitive animation is 4901cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * in-flight. Must call finish() on them when done animating. 4911cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * These are no-ops on user builds. 4921cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick */ 4931cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mScrollStrictSpan = null; 4941cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mFlingStrictSpan = null; 4951cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 4961cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick /** 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForLongPress runnable we posted, if any 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForLongPress mPendingCheckForLongPress; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForTap runnable we posted, if any 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable mPendingCheckForTap; 5050a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForKeyLongPress runnable we posted, if any 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForKeyLongPress mPendingCheckForKeyLongPress; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Acts upon click 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AbsListView.PerformClick mPerformClick; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 517d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn * Delayed action for touch mode. 518d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn */ 519d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn private Runnable mTouchModeReset; 520d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 521d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn /** 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view is in transcript mode -- it shows the bottom of the list when the data 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changes 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTranscriptMode; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this list is always drawn on top of a solid, single-color, opaque 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * background 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCacheColorHint; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The select child's view (from the adapter's getView) is enabled. 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsChildViewEnabled; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last scroll state reported to clients through {@link OnScrollListener}. 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper object that renders and controls the fast scroll thumb. 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FastScroller mFastScroller; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 548d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private boolean mGlobalLayoutListenerAddedFilter; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 550d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private int mTouchSlop; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mDensityScale; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5531bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnection mDefInputConnection; 5541bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnectionWrapper mPublicInputConnection; 5556dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5566dfed24158b8fc9150abee23992db621cd82aa43Romain Guy private Runnable mClearScrollingCache; 5574296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMinimumVelocity; 5584296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMaximumVelocity; 55921317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy private float mVelocityScale = 1.0f; 5604e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 56121875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy final boolean[] mIsScrap = new boolean[1]; 5624e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 56324562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // True when the popup should be hidden because of a call to 56424562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // dispatchDisplayHint() 56524562487126b48c8ff39a42b76f3705f238da6c8Romain Guy private boolean mPopupHidden; 5664e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5674cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 5684cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * ID of the active pointer. This is used to retain consistency during 5694cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * drags/flings if multiple pointers are used. 5704cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 5714cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private int mActivePointerId = INVALID_POINTER; 5724e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5734cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 5744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Sentinel value for no current active pointer. 5754cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Used by {@link #mActivePointerId}. 5764cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 5774cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private static final int INVALID_POINTER = -1; 5786dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 580637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overscroll by during edge effects 581637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 582637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollDistance; 583637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 584637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 585637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overfling during edge effects 586637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 587637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverflingDistance; 588637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 589637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // These two EdgeGlows are always set and used together. 590637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Checking one for null is as good as checking both. 591637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 592637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 593637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the top edge glow. 594637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 595637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private EdgeGlow mEdgeGlowTop; 596637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 597637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 598637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the bottom edge glow. 599637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 600637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private EdgeGlow mEdgeGlowBottom; 601637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 602637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 603637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the top of the list and 604637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the top of the first position in the adapter, based on the last time 605637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 606637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 607637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mFirstPositionDistanceGuess; 608637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 609637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 610637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the bottom of the list and 611637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the bottom of the last position in the adapter, based on the last time 612637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 613637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 614637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mLastPositionDistanceGuess; 615637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 616637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 617637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Used for determining when to cancel out of overscroll. 618637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 619637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mDirection = 0; 620637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 621637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 622da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * Tracked on measurement in transcript mode. Makes sure that we can still pin to 623da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * the bottom correctly on resizes. 624da13dbae6fe0619101433ac861da460b8be63a36Adam Powell */ 625da13dbae6fe0619101433ac861da460b8be63a36Adam Powell private boolean mForceTranscriptScroll; 626da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 627da13dbae6fe0619101433ac861da460b8be63a36Adam Powell /** 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the list or grid 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has been scrolled. 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnScrollListener { 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not scrolling. Note navigating the list using the trackball counts as 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being in the idle state since these transitions are not animated. 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_IDLE = 0; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user is scrolling using touch, and their finger is still on the screen 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_TOUCH_SCROLL = 1; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user had previously been scrolling using touch and had performed a fling. The 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation is now coasting to a stop 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_FLING = 2; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked while the list view or grid view is being scrolled. If the 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view is being scrolled, this method will be called before the next frame of the scroll is 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rendered. In particular, it will be called before any calls to 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Adapter#getView(int, View, ViewGroup)}. 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrollState The current scroll state. One of {@link #SCROLL_STATE_IDLE}, 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #SCROLL_STATE_TOUCH_SCROLL} or {@link #SCROLL_STATE_IDLE}. 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScrollStateChanged(AbsListView view, int scrollState); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked when the list or grid has been scrolled. This will be 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called after the scroll has completed 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstVisibleItem the index of the first visible cell (ignore if 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visibleItemCount == 0) 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param visibleItemCount the number of visible cells 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalItemCount the number of items in the list adaptor 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int totalItemCount); 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 676e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 677e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * The top-level view of a list item can implement this interface to allow 678e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * itself to modify the bounds of the selection shown for that item. 679e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 680e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public interface SelectionBoundsAdjuster { 681e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 682e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * Called to allow the list item to adjust the bounds shown for 683e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * its selection. 684e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * 685e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * @param bounds On call, this contains the bounds the list has 686e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * selected for the item (that is the bounds of the entire view). The 687e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * values can be modified as desired. 688e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 689e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void adjustListItemSelectionBounds(Rect bounds); 690e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 691e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVerticalScrollBarEnabled(true); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(R.styleable.View); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeScrollbars(a); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs) { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.absListViewStyle); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs, int defStyle) { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView, defStyle, 0); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.AbsListView_listSelector); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(d); 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = a.getBoolean( 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView_drawSelectorOnTop, false); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stackFromBottom = a.getBoolean(R.styleable.AbsListView_stackFromBottom, false); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setStackFromBottom(stackFromBottom); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean scrollingCacheEnabled = a.getBoolean(R.styleable.AbsListView_scrollingCache, true); 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScrollingCacheEnabled(scrollingCacheEnabled); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useTextFilter = a.getBoolean(R.styleable.AbsListView_textFilterEnabled, false); 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTextFilterEnabled(useTextFilter); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transcriptMode = a.getInt(R.styleable.AbsListView_transcriptMode, 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRANSCRIPT_MODE_DISABLED); 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTranscriptMode(transcriptMode); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color = a.getColor(R.styleable.AbsListView_cacheColorHint, 0); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCacheColorHint(color); 7360a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean enableFastScroll = a.getBoolean(R.styleable.AbsListView_fastScrollEnabled, false); 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFastScrollEnabled(enableFastScroll); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean smoothScrollbar = a.getBoolean(R.styleable.AbsListView_smoothScrollbar, true); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSmoothScrollbarEnabled(smoothScrollbar); 7424e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 743f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setChoiceMode(a.getInt(R.styleable.AbsListView_choiceMode, CHOICE_MODE_NONE)); 74420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell setFastScrollAlwaysVisible( 74520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell a.getBoolean(R.styleable.AbsListView_fastScrollAlwaysVisible, false)); 746f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 750d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void initAbsListView() { 751d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Setting focusable in touch mode will set the focusable property to true 752df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy setClickable(true); 753d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setFocusableInTouchMode(true); 754d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setWillNotDraw(false); 755d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setAlwaysDrawnWithCacheEnabled(false); 756d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setScrollingCacheEnabled(true); 757d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 7584296fc4d326447875c26a925f12b3935632f13bbRomain Guy final ViewConfiguration configuration = ViewConfiguration.get(mContext); 7594296fc4d326447875c26a925f12b3935632f13bbRomain Guy mTouchSlop = configuration.getScaledTouchSlop(); 7604296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMinimumVelocity = configuration.getScaledMinimumFlingVelocity(); 7614296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 762637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollDistance = configuration.getScaledOverscrollDistance(); 763637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverflingDistance = configuration.getScaledOverflingDistance(); 764637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 765d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mDensityScale = getContext().getResources().getDisplayMetrics().density; 766d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 7670a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 768637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 769637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell public void setOverScrollMode(int mode) { 770637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mode != OVER_SCROLL_NEVER) { 771637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop == null) { 7724e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira Context context = getContext(); 7734e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira final Resources res = context.getResources(); 774637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final Drawable edge = res.getDrawable(R.drawable.overscroll_edge); 775637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final Drawable glow = res.getDrawable(R.drawable.overscroll_glow); 7764e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mEdgeGlowTop = new EdgeGlow(context, edge, glow); 7774e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mEdgeGlowBottom = new EdgeGlow(context, edge, glow); 778637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 779637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 780637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop = null; 781637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom = null; 782637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 783637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell super.setOverScrollMode(mode); 784637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 785637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 786d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 787f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@inheritDoc} 788f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 789f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 790f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setAdapter(ListAdapter adapter) { 791f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (adapter != null) { 792f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapter.hasStableIds() && 793f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates == null) { 794f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = new LongSparseArray<Boolean>(); 795f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 796f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 797f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 798f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 799f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 800f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 801f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 802f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 803f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 804f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 805f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 806f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 807f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 808f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the number of items currently selected. This will only be valid 809f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the choice mode is not {@link #CHOICE_MODE_NONE} (default). 810f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 811f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * <p>To determine the specific items that are currently selected, use one of 812f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the <code>getChecked*</code> methods. 813f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 814f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The number of items currently selected 815f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 816f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPosition() 817f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPositions() 818f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemIds() 819f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 820f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemCount() { 821f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckedItemCount; 822f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 823f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 824f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 825f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the checked state of the specified position. The result is only 826f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * valid if the choice mode has been set to {@link #CHOICE_MODE_SINGLE} 827f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or {@link #CHOICE_MODE_MULTIPLE}. 828f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 829f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state to return 830f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The item's checked state or <code>false</code> if choice mode 831f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * is invalid 832f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 833f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 834f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 835f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean isItemChecked(int position) { 836f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) { 837f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.get(position); 838f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 839f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 840f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 841f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 842f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 843f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 844f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the currently checked item. The result is only valid if the choice 845f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * mode has been set to {@link #CHOICE_MODE_SINGLE}. 846f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 847f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The position of the currently checked item or 848f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #INVALID_POSITION} if nothing is selected 849f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 850f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 851f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 852f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemPosition() { 853f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_SINGLE && mCheckStates != null && mCheckStates.size() == 1) { 854f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.keyAt(0); 855f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 856f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 857f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return INVALID_POSITION; 858f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 859f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 860f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 861f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items in the list. The result is only valid if 862f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has not been set to {@link #CHOICE_MODE_NONE}. 863f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 864f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A SparseBooleanArray which will return true for each call to 865f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * get(int position) where position is a position in the list, 866f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or <code>null</code> if the choice mode is set to 867f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_NONE}. 868f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 869f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public SparseBooleanArray getCheckedItemPositions() { 870f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 871f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates; 872f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 873f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return null; 874f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 875f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 876f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 877f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items ids. The result is only valid if the 878f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * choice mode has not been set to {@link #CHOICE_MODE_NONE} and the adapter 879f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * has stable IDs. ({@link ListAdapter#hasStableIds()} == {@code true}) 880f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 881f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A new array which contains the id of each checked item in the 882f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * list. 883f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 884f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public long[] getCheckedItemIds() { 885f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE || mCheckedIdStates == null || mAdapter == null) { 886f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return new long[0]; 887f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 888f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 889f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final LongSparseArray<Boolean> idStates = mCheckedIdStates; 890f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final int count = idStates.size(); 891f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long[] ids = new long[count]; 892f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 893f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell for (int i = 0; i < count; i++) { 894f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ids[i] = idStates.keyAt(i); 895f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 896f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 897f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return ids; 898f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 899f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 900f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 901f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Clear any choices previously set 902f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 903f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void clearChoices() { 904f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 905f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 906f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 907f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 908f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 909f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 910f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 911f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 912f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 913f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 914f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Sets the checked state of the specified position. The is only valid if 915f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has been set to {@link #CHOICE_MODE_SINGLE} or 916f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}. 917f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 918f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state is to be checked 919f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param value The new checked state for the item 920f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 921f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setItemChecked(int position, boolean value) { 922f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE) { 923f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return; 924f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 925f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 926f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Start selection mode if needed. We don't need to if we're unchecking something. 927f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) { 928f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 929f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 930f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 931f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 932f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean oldValue = mCheckStates.get(position); 933f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, value); 934f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 935f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 936f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 937f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 938f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 939f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 940f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 941f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (oldValue != value) { 942f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 943f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 944f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 945f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 946f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 947f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 948f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 949f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long id = mAdapter.getItemId(position); 950f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 951f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, value); 952f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 953f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 954f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean updateIds = mCheckedIdStates != null && mAdapter.hasStableIds(); 955f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Clear all values if we're checking something, or unchecking the currently 956f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selected item 957f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value || isItemChecked(position)) { 958f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 959f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 960f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 961f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 962f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 963f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // this may end up selecting the value we just cleared but this way 964f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // we ensure length of mCheckStates is 1, a fact getCheckedItemPosition relies on 965f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 966f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 967f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 968f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 969f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 970f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 971f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 972f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 973f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 974f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 975f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 976f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Do not generate a data change while we are in the layout phase 977f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (!mInLayout && !mBlockLayoutRequests) { 978f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 979f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 980f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 981f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 982f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 983f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 984f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 985f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean performItemClick(View view, int position, long id) { 986f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 987bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell boolean dispatchItemClick = true; 988f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 989f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 990f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell handled = true; 991f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 992f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || 993f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null)) { 994f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean newValue = !mCheckStates.get(position, false); 995f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, newValue); 996f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 997f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 998f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 999f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1000f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 1001f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1002f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1003f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 1004f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 1005f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1006f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 1007f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1008f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1009f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 1010f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, newValue); 1011bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell dispatchItemClick = false; 1012f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1013f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mChoiceMode == CHOICE_MODE_SINGLE) { 1014f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean newValue = !mCheckStates.get(position, false); 1015f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 1016f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 1017f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 1018f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 1019f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 1020f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 1021f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1022f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 1023f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 1024f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 1025f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1026f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1027f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1028f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 1029f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 1030f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 1031f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1032f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1033bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell if (dispatchItemClick) { 1034bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell handled |= super.performItemClick(view, position, id); 1035bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell } 1036f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1037f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return handled; 1038f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1039f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1040f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1041f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1042f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1043f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The current choice mode 1044f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1045f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getChoiceMode() { 1046f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mChoiceMode; 1047f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1048f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1049f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1050f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Defines the choice behavior for the List. By default, Lists do not have any choice behavior 1051f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * ({@link #CHOICE_MODE_NONE}). By setting the choiceMode to {@link #CHOICE_MODE_SINGLE}, the 1052f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * List allows up to one item to be in a chosen state. By setting the choiceMode to 1053f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}, the list allows any number of items to be chosen. 1054f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1055f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param choiceMode One of {@link #CHOICE_MODE_NONE}, {@link #CHOICE_MODE_SINGLE}, or 1056f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE} 1057f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1058f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setChoiceMode(int choiceMode) { 1059f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceMode = choiceMode; 1060f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1061f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode.finish(); 1062f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 1063f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1064f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 1065f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates == null) { 1066f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = new SparseBooleanArray(); 1067f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1068f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates == null && mAdapter != null && mAdapter.hasStableIds()) { 1069f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = new LongSparseArray<Boolean>(); 1070f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1071f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Modal multi-choice mode only has choices when the mode is active. Clear them. 1072f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 1073f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 1074f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 1075f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1076f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1077f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1078f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1079f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1080f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Set a {@link MultiChoiceModeListener} that will manage the lifecycle of the 1081f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selection {@link ActionMode}. Only used when the choice mode is set to 1082f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE_MODAL}. 1083f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1084f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param listener Listener that will manage the selection mode 1085f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1086f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1087f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1088f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setMultiChoiceModeListener(MultiChoiceModeListener listener) { 1089f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mMultiChoiceModeCallback == null) { 1090f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback = new MultiChoiceModeWrapper(); 1091f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1092f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.setWrapped(listener); 1093f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1094f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1095f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1096637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return true if all list content currently fits within the view boundaries 1097637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 1098637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private boolean contentFits() { 1099637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 11002bed570bba183249c6ca9ca1151d1d23808de8c1Adam Powell if (childCount == 0) return true; 11012bed570bba183249c6ca9ca1151d1d23808de8c1Adam Powell if (childCount != mItemCount) return false; 1102637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 11034ce35419cea4c320b71f848cf00fd6f5d17e960eAdam Powell return getChildAt(0).getTop() >= mListPadding.top && 11044ce35419cea4c320b71f848cf00fd6f5d17e960eAdam Powell getChildAt(childCount - 1).getBottom() <= getHeight() - mListPadding.bottom; 1105637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 1106637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1107637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 11080a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Enables fast scrolling by letting the user quickly scroll through lists by 11090a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * dragging the fast scroll thumb. The adapter attached to the list may want 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to implement {@link SectionIndexer} if it wishes to display alphabet preview and 11110a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * jump between sections of the list. 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SectionIndexer 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isFastScrollEnabled() 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled whether or not to enable fast scrolling 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFastScrollEnabled(boolean enabled) { 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScrollEnabled = enabled; 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabled) { 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller == null) { 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller = new FastScroller(getContext(), this); 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.stop(); 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller = null; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11290a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 113120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * Set whether or not the fast scroller should always be shown in place of the 113220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * standard scrollbars. Fast scrollers shown in this way will not fade out and will 113320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * be a permanent fixture within the list. Best combined with an inset scroll bar style 113420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * that will ensure enough padding. This will enable fast scrolling if it is not 113520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * already enabled. 113620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 113720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @param alwaysShow true if the fast scroller should always be displayed. 113820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setScrollBarStyle(int) 113920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollEnabled(boolean) 114020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 114120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public void setFastScrollAlwaysVisible(boolean alwaysShow) { 114220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (alwaysShow && !mFastScrollEnabled) { 114320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell setFastScrollEnabled(true); 114420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 114520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 114620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (mFastScroller != null) { 114720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell mFastScroller.setAlwaysShow(alwaysShow); 114820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 114920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 115020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell computeOpaqueFlags(); 115120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell recomputePadding(); 115220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 115320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 115420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 115520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * Returns true if the fast scroller is set to always show on this view rather than 115620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * fade out when not in use. 115720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 115820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @return true if the fast scroller will always show. 115920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollAlwaysVisible(boolean) 116020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 116120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public boolean isFastScrollAlwaysVisible() { 116220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return mFastScrollEnabled && mFastScroller.isAlwaysShowEnabled(); 116320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 116420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 116520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 116620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public int getVerticalScrollbarWidth() { 116716bb80af66012cee1625dd4e926c1fbdf87b8670Adam Powell if (isFastScrollAlwaysVisible()) { 116820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return Math.max(super.getVerticalScrollbarWidth(), mFastScroller.getWidth()); 116920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 117020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return super.getVerticalScrollbarWidth(); 117120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 117220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 117320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setFastScrollEnabled(boolean) 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if fast scroll is enabled, false otherwise 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isFastScrollEnabled() { 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScrollEnabled; 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11820a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 118320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 118420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public void setVerticalScrollbarPosition(int position) { 118520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell super.setVerticalScrollbarPosition(position); 118620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (mFastScroller != null) { 118720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell mFastScroller.setScrollbarPosition(position); 118820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 118920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 119020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If fast scroll is visible, then don't draw the vertical scrollbar. 11930a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @hide 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isVerticalScrollBarHidden() { 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScroller != null && mFastScroller.isVisible(); 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is enabled, the position and size of the scrollbar thumb 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is computed based on the number of visible pixels in the visible items. This 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * however assumes that all list items have the same height. If you use a list in 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which items have different heights, the scrollbar will change appearance as the 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user scrolls through the list. To avoid this issue, you need to disable this 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * property. 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is disabled, the position and size of the scrollbar thumb 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is based solely on the number of items in the adapter and the position of the 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visible items inside the adapter. This provides a stable scrollbar as the user 12110a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * navigates through a list of items with varying heights. 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Whether or not to enable smooth scrollbar. 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12150a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @see #setSmoothScrollbarEnabled(boolean) 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSmoothScrollbarEnabled(boolean enabled) { 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSmoothScrollbarEnabled = enabled; 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if smooth scrollbar is enabled is enabled, false otherwise. 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSmoothScrollbarEnabled(boolean) 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSmoothScrollbarEnabled() { 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSmoothScrollbarEnabled; 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the listener that will receive notifications every time the list scrolls. 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the scroll listener 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnScrollListener(OnScrollListener l) { 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener = l; 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notify our scroll listener (if there is one) of a change in scroll state 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void invokeOnItemScrollListener() { 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12540a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne onScrollChanged(0, 0, 0, 0); // dummy values, View's implementation does not use these. 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a scroll. 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will consume more memory. 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the scrolling cache is enabled, false otherwise 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setScrollingCacheEnabled(boolean) 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isScrollingCacheEnabled() { 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScrollingCacheEnabled; 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a scroll. 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will use more memory. 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the scrolling cache is enabled, the caches are kept after the 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first scrolling. You can manually clear the cache by calling 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup#setChildrenDrawingCacheEnabled(boolean)}. 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the scroll cache, false otherwise 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isScrollingCacheEnabled() 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollingCacheEnabled(boolean enabled) { 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !enabled) { 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollingCacheEnabled = enabled; 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the type filter window. If enabled, typing when 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view has focus will filter the children to match the users input. 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that the {@link Adapter} used by this view must implement the 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Filterable} interface. 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param textFilterEnabled true to enable type filtering, false otherwise 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTextFilterEnabled(boolean textFilterEnabled) { 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilterEnabled = textFilterEnabled; 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether type filtering is enabled for this view 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if type filtering is enabled, false otherwise 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled(boolean) 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isTextFilterEnabled() { 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilterEnabled; 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getFocusedRect(Rect r) { 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getSelectedView(); 13216bdbfcfa77177eb7c8905123f44f2fa5aa0f17b1Romain Guy if (view != null && view.getParent() == this) { 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused rectangle of the selected view offset into the 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // coordinate space of this view. 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getFocusedRect(r); 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetDescendantRectToMyCoords(view, r); 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // otherwise, just the norm 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.getFocusedRect(r); 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void useDefaultSelector() { 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable( 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.drawable.list_selector_background)); 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the content of this view is pinned to, or stacked from, 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom edge. 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the content is stacked from the bottom edge, false otherwise 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStackFromBottom() { 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStackFromBottom; 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When stack from bottom is set to true, the list fills its content starting from 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom of the view. 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stackFromBottom true to pin the view's content to the bottom edge, 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to pin the view's content to the top edge 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setStackFromBottom(boolean stackFromBottom) { 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStackFromBottom != stackFromBottom) { 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStackFromBottom = stackFromBottom; 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayoutIfNecessary(); 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestLayoutIfNecessary() { 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resetList(); 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static class SavedState extends BaseSavedState { 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId; 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long firstId; 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewTop; 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position; 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height; 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String filter; 1377a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell boolean inActionMode; 13782614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell int checkedItemCount; 1379f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray checkState; 1380f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell LongSparseArray<Boolean> checkIdState; 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link AbsListView#onSaveInstanceState()} 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState(Parcelable superState) { 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link #CREATOR} 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SavedState(Parcel in) { 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(in); 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedId = in.readLong(); 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstId = in.readLong(); 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project viewTop = in.readInt(); 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = in.readInt(); 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = in.readInt(); 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter = in.readString(); 1400a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell inActionMode = in.readByte() != 0; 14012614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell checkedItemCount = in.readInt(); 1402f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkState = in.readSparseBooleanArray(); 1403f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell long[] idState = in.createLongArray(); 1404f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1405f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (idState.length > 0) { 1406f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkIdState = new LongSparseArray<Boolean>(); 1407f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkIdState.setValues(idState, Boolean.TRUE); 1408f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.writeToParcel(out, flags); 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(selectedId); 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(firstId); 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(viewTop); 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(position); 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(height); 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeString(filter); 1420a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell out.writeByte((byte) (inActionMode ? 1 : 0)); 14212614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell out.writeInt(checkedItemCount); 1422f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeSparseBooleanArray(checkState); 1423f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeLongArray(checkIdState != null ? checkIdState.getKeys() : new long[0]); 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "AbsListView.SavedState{" 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + Integer.toHexString(System.identityHashCode(this)) 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " selectedId=" + selectedId 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " firstId=" + firstId 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " viewTop=" + viewTop 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " position=" + position 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " height=" + height 1435f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " filter=" + filter 1436f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " checkState=" + checkState + "}"; 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<SavedState>() { 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState createFromParcel(Parcel in) { 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState(in); 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState[] newArray(int size) { 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState[size]; 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parcelable onSaveInstanceState() { 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This doesn't really make sense as the place to dismiss the 1455f993ad5b89a8aa47fcbc7494811f45bb74cb8713Romain Guy * popups, but there don't seem to be any other useful hooks 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that happen early enough to keep from getting complaints 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about having leaked the window. 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable superState = super.onSaveInstanceState(); 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = new SavedState(superState); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 146599441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn boolean haveChildren = getChildCount() > 0 && mItemCount > 0; 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId = getSelectedItemId(); 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.selectedId = selectedId; 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.height = getHeight(); 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedId >= 0) { 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the selection 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = mSelectedTop; 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = getSelectedItemPosition(); 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14767becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn if (haveChildren && mFirstPosition > 0) { 14777becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // Remember the position of the first child. 14787becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // We only do this if we are not currently at the top of 14797becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // the list, for two reasons: 14807becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (1) The list may be in the process of becoming empty, in 14817becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // which case mItemCount may not be 0, but if we try to 14827becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // ask for any information about position 0 we will crash. 14837becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (2) Being "at the top" seems like a special case, anyway, 14847becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // and the user wouldn't expect to end up somewhere else when 14857becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // they revisit the list even if its content has changed. 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(0); 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = v.getTop(); 148899441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn int firstPos = mFirstPosition; 148999441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn if (firstPos >= mItemCount) { 149099441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn firstPos = mItemCount - 1; 149199441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn } 149299441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.position = firstPos; 149399441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.firstId = mAdapter.getItemId(firstPos); 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = 0; 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = 0; 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = null; 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final EditText textFilter = mTextFilter; 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textFilter != null) { 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Editable filterText = textFilter.getText(); 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filterText != null) { 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = filterText.toString(); 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1512a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell ss.inActionMode = mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null; 1513a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 1514f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ss.checkState = mCheckStates; 1515f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ss.checkIdState = mCheckedIdStates; 15162614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell ss.checkedItemCount = mCheckedItemCount; 1517f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ss; 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onRestoreInstanceState(Parcelable state) { 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = (SavedState) state; 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(ss.getSuperState()); 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncHeight = ss.height; 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ss.selectedId >= 0) { 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.selectedId; 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_SELECTED_POSITION; 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ss.firstId >= 0) { 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do this before setting mNeedSync since setNextSelectedPosition looks at mNeedSync 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 1540079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.firstId; 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_FIRST_POSITION; 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFilterText(ss.filter); 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1550f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkState != null) { 1551f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = ss.checkState; 1552f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1553f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1554f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkIdState != null) { 1555f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = ss.checkIdState; 1556f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1557f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 15582614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell mCheckedItemCount = ss.checkedItemCount; 15592614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell 1560a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell if (ss.inActionMode && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && 1561a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mMultiChoiceModeCallback != null) { 1562a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 1563a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell } 1564a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean acceptFilter() { 1569d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy return mTextFilterEnabled && getAdapter() instanceof Filterable && 1570d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy ((Filterable) getAdapter()).getFilter() != null; 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the initial value for the text filter. 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filterText The text to use for the filter. 15760a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilterText(String filterText) { 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: Should we check for acceptFilter()? 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && !TextUtils.isEmpty(filterText)) { 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(false); 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is going to call our listener onTextChanged, but we might not 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be ready to bring up a window yet 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(filterText); 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setSelection(filterText.length()); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if mPopup is non-null, then onTextChanged will do the filtering 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(filterText); 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set filtered to true so we will display the filter window when our main 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window is ready 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObserver.clearSavedState(); 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16020a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Returns the list's text filter, if available. 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the list's text filter or null if filtering isn't enabled 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTextFilter() { 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && mTextFilter != null) { 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilter.getText(); 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16110a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gainFocus && mSelectedPosition < 0 && !isInTouchMode()) { 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestLayout() { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBlockLayoutRequests && !mInLayout) { 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.requestLayout(); 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list is empty. Clear everything out. 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void resetList() { 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstPosition = 0; 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = false; 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedPosition = INVALID_POSITION; 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedRowId = INVALID_ROW_ID; 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 1640079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorShowing = false; 1641079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.setEmpty(); 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollExtent() { 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extent = count * 100; 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getChildAt(0); 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent += (top * 100) / height; 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = getChildAt(count - 1); 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = view.getBottom(); 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = view.getHeight(); 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent -= ((bottom - getHeight()) * 100) / height; 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extent; 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollOffset() { 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition >= 0 && childCount > 0) { 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(0); 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 16850b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return Math.max(firstPosition * 100 - (top * 100) / height + 16860b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell (int)((float)mScrollY / getHeight() * mItemCount * 100), 0); 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mItemCount; 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition == 0) { 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (firstPosition + childCount == count) { 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count; 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = firstPosition + childCount / 2; 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) (firstPosition + childCount * (index / (float) count)); 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollRange() { 17060b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell int result; 17070b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (mSmoothScrollbarEnabled) { 17080b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = Math.max(mItemCount * 100, 0); 1709637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 1710637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Compensate for overscroll 1711637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell result += Math.abs((int) ((float) mScrollY / getHeight() * mItemCount * 100)); 1712637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 17130b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } else { 17140b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = mItemCount; 17150b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 17160b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return result; 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getTopFadingEdgeStrength() { 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getTopFadingEdgeStrength(); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition > 0) { 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = getChildAt(0).getTop(); 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeLength = (float) getVerticalFadingEdgeLength(); 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return top < mPaddingTop ? (float) -(top - mPaddingTop) / fadeLength : fadeEdge; 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getBottomFadingEdgeStrength() { 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getBottomFadingEdgeStrength(); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition + count - 1 < mItemCount - 1) { 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = getChildAt(count - 1).getBottom(); 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight(); 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeLength = (float) getVerticalFadingEdgeLength(); 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bottom > height - mPaddingBottom ? 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float) (bottom - height + mPaddingBottom) / fadeLength : fadeEdge; 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector == null) { 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useDefaultSelector(); 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.left = mSelectionLeftPadding + mPaddingLeft; 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.top = mSelectionTopPadding + mPaddingTop; 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.right = mSelectionRightPadding + mPaddingRight; 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.bottom = mSelectionBottomPadding + mPaddingBottom; 1765da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 1766da13dbae6fe0619101433ac861da460b8be63a36Adam Powell // Check if our previous measured size was at a point where we should scroll later. 1767da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 1768da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int childCount = getChildCount(); 1769da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int listBottom = getBottom() - getPaddingBottom(); 1770da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final View lastChild = getChildAt(childCount - 1); 1771da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 1772da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mForceTranscriptScroll = mFirstPosition + childCount >= mOldItemCount && 1773da13dbae6fe0619101433ac861da460b8be63a36Adam Powell lastBottom <= listBottom; 1774da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1777d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 1778d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses should NOT override this method but 1779d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * {@link #layoutChildren()} instead. 1780d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onLayout(boolean changed, int l, int t, int r, int b) { 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onLayout(changed, l, t, r, b); 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = true; 1785f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (changed) { 1786f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell int childCount = getChildCount(); 1787f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < childCount; i++) { 1788f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell getChildAt(i).forceLayout(); 1789f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 1790f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell mRecycler.markChildrenDirty(); 1791f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 17922c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell 17932c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell if (mFastScroller != null && mItemCount != mOldItemCount) { 17942c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell mFastScroller.onItemCountChanged(mOldItemCount, mItemCount); 17952c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell } 1796f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = false; 1799637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1800637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollMax = (b - t) / OVERSCROLL_LIMIT_DIVISOR; 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int left, int top, int right, int bottom) { 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean changed = super.setFrame(left, top, right, bottom); 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1810d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (changed) { 1811d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Reposition the popup when the frame has changed. This includes 1812d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // translating the widget, not just changing its dimension. The 1813d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // filter popup needs to follow the widget. 1814d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy final boolean visible = getWindowVisibility() == View.VISIBLE; 1815d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mFiltered && visible && mPopup != null && mPopup.isShowing()) { 1816d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy positionPopup(); 1817d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1823d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 1824d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses must override this method to layout their children. 1825d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void layoutChildren() { 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void updateScrollIndicators() { 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollUp != null) { 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollUp; 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0th element is not visible 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = mFirstPosition > 0; 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or top of 0th element is not visible 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollUp) { 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(0); 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = child.getTop() < mListPadding.top; 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp.setVisibility(canScrollUp ? View.VISIBLE : View.INVISIBLE); 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollDown != null) { 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollDown; 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = getChildCount(); 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Last item is not visible 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = (mFirstPosition + count) < mItemCount; 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or bottom of the last element is not visible 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollDown && count > 0) { 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(count - 1); 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = child.getBottom() > mBottom - mListPadding.bottom; 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown.setVisibility(canScrollDown ? View.VISIBLE : View.INVISIBLE); 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getSelectedView() { 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mItemCount > 0 && mSelectedPosition >= 0) { 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildAt(mSelectedPosition - mFirstPosition); 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingTop() 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The top list padding. 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingTop() { 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.top; 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingBottom() 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The bottom list padding. 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingBottom() { 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.bottom; 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingLeft() 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The left list padding. 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingLeft() { 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.left; 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingRight() 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The right list padding. 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingRight() { 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.right; 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a view and have it show the data associated with the specified 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * position. This is called when we have already discovered that the view is 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not available for reuse in the recycle bin. The only choices left are 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * converting an old view or making a new one. 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to display 192821875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * @param isScrap Array of at least 1 boolean, the first entry will become true if 192921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * the returned view was taken from the scrap heap, false if otherwise. 19304e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view displaying the data associated with the specified position 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 193321875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy View obtainView(int position, boolean[] isScrap) { 193421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy isScrap[0] = false; 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View scrapView; 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapView = mRecycler.getScrapView(position); 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child; 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scrapView != null) { 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(scrapView, ViewDebug.RecyclerTraceType.RECYCLE_FROM_SCRAP_HEAP, 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, -1); 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, scrapView, this); 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(child, ViewDebug.RecyclerTraceType.BIND_VIEW, 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, getChildCount()); 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != scrapView) { 1954079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(scrapView, position); 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(scrapView, ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, -1); 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 196221875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy } else { 1963a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy isScrap[0] = true; 1964a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy child.dispatchFinishTemporaryDetach(); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, null, this); 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(child, ViewDebug.RecyclerTraceType.NEW_VIEW, 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, getChildCount()); 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return child; 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1980079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void positionSelector(int position, View sel) { 1981079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (position != INVALID_POSITION) { 1982079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = position; 1983079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1984079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect selectorRect = mSelectorRect; 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.set(sel.getLeft(), sel.getTop(), sel.getRight(), sel.getBottom()); 1987e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (sel instanceof SelectionBoundsAdjuster) { 1988e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn ((SelectionBoundsAdjuster)sel).adjustListItemSelectionBounds(selectorRect); 1989e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(selectorRect.left, selectorRect.top, selectorRect.right, 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.bottom); 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean isChildViewEnabled = mIsChildViewEnabled; 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sel.isEnabled() != isChildViewEnabled) { 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsChildViewEnabled = !isChildViewEnabled; 1996079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mSelectorShowing) { 1997079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn refreshDrawableState(); 1998079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void positionSelector(int l, int t, int r, int b) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.set(l - mSelectionLeftPadding, t - mSelectionTopPadding, r 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mSelectionRightPadding, b + mSelectionBottomPadding); 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~CLIP_TO_PADDING_MASK; 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawSelectorOnTop = mDrawSelectorOnTop; 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!drawSelectorOnTop) { 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDraw(canvas); 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (drawSelectorOnTop) { 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= CLIP_TO_PADDING_MASK; 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 203920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected boolean isPaddingOffsetRequired() { 204020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) != CLIP_TO_PADDING_MASK; 204120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 204220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 204320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 204420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getLeftPaddingOffset() { 204520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingLeft; 204620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 204720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 204820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 204920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getTopPaddingOffset() { 205020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingTop; 205120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 205220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 205320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 205420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getRightPaddingOffset() { 205520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingRight; 205620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 205720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 205820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 205920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getBottomPaddingOffset() { 206020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingBottom; 206120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 206220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 206320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSizeChanged(int w, int h, int oldw, int oldh) { 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onSizeChanged(w, h, oldw, oldh); 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the current touch mode requires that we draw the selector in the pressed 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean touchModeDrawsInPressedState() { 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME use isPressed for this 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this view is in a state where the selector should be drawn. This will 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen if we have focus but are not in touch mode, or we are in the middle of displaying 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pressed state for an item. 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the selector should be shown 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean shouldShowSelector() { 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (hasFocus() && !isInTouchMode()) || touchModeDrawsInPressedState(); 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void drawSelector(Canvas canvas) { 2102079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (!mSelectorRect.isEmpty()) { 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable selector = mSelector; 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.setBounds(mSelectorRect); 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.draw(canvas); 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls whether the selection highlight drawable should be drawn on top of the item or 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * behind it. 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onTop If true, the selector will be drawn on the item it is highlighting. The default 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is false. 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawSelectorOnTop(boolean onTop) { 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = onTop; 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a Drawable that should be used to highlight the currently selected item. 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resID A Drawable resource to use as the selection highlight. 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(int resID) { 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable(resID)); 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(Drawable sel) { 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector.setCallback(null); 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mSelector); 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector = sel; 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect padding = new Rect(); 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.getPadding(padding); 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionLeftPadding = padding.left; 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionTopPadding = padding.top; 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionRightPadding = padding.right; 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionBottomPadding = padding.bottom; 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.setCallback(this); 2146079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the selector {@link android.graphics.drawable.Drawable} that is used to draw the 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * selection in the list. 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the drawable used to display the selector 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getSelector() { 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector; 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the selector state to "pressed" and posts a CheckForKeyLongPress to see if 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is a long press. 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void keyPressed() { 2164df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (!isEnabled() || !isClickable()) { 2165df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return; 2166df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2167df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable selector = mSelector; 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect selectorRect = mSelectorRect; 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selector != null && (isFocused() || touchModeDrawsInPressedState()) 2171079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn && !selectorRect.isEmpty()) { 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(mSelectedPosition - mFirstPosition); 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2175ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v != null) { 2176ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v.hasFocusable()) return; 2177ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project v.setPressed(true); 2178ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = selector.getCurrent(); 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 2185df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ((TransitionDrawable) d).startTransition( 2186df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ViewConfiguration.getLongPressTimeout()); 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable && !mDataChanged) { 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForKeyLongPress == null) { 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress = new CheckForKeyLongPress(); 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress.rememberWindowAttachCount(); 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForKeyLongPress, ViewConfiguration.getLongPressTimeout()); 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollIndicators(View up, View down) { 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp = up; 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown = down; 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2206079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void updateSelectorState() { 2207079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mSelector != null) { 2208079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (shouldShowSelector()) { 2209079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(getDrawableState()); 2210079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 2211079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(StateSet.NOTHING); 2212079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2213079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2214079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2215079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 2219079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child view is enabled then do the default behavior. 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsChildViewEnabled) { 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Common case 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The selector uses this View's drawable state. The selected child view 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is disabled, so we need to remove the enabled state from the drawable 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // states. 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int enabledState = ENABLED_STATE_SET[0]; 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we don't have any extra space, it will return one of the static state arrays, 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and clearing the enabled state on those arrays is a bad thing! If we specify 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we need extra space, it will create+copy into a new array that safely mutable. 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + 1); 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int enabledPos = -1; 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = state.length - 1; i >= 0; i--) { 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state[i] == enabledState) { 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enabledPos = i; 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the enabled state 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabledPos >= 0) { 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(state, enabledPos + 1, state, enabledPos, 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.length - enabledPos - 1); 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22520a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean verifyDrawable(Drawable dr) { 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector == dr || super.verifyDrawable(dr); 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2262e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void jumpDrawablesToCurrentState() { 2263e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn super.jumpDrawablesToCurrentState(); 2264e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (mSelector != null) mSelector.jumpToCurrentState(); 2265e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 2266e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 2267e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn @Override 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.addOnTouchModeChangeListener(this); 2274d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mTextFilterEnabled && mPopup != null && !mGlobalLayoutListenerAddedFilter) { 2275d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy treeObserver.addOnGlobalLayoutListener(this); 2276d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22784e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 227982afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null && mDataSetObserver == null) { 228082afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = new AdapterDataSetObserver(); 228182afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.registerDataSetObserver(mDataSetObserver); 22826a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell 22836a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell // Data may have changed while we were detached. Refresh. 22846a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mDataChanged = true; 22856a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mOldItemCount = mItemCount; 22866a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mItemCount = mAdapter.getCount(); 228782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22941f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy // Dismiss the popup in case onSaveInstanceState() was not invoked 22951f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy dismissPopup(); 22961f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy 229721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy // Detach any view left in the scrap heap 229821875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy mRecycler.clear(); 229921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 23009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.removeOnTouchModeChangeListener(this); 2303d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mTextFilterEnabled && mPopup != null) { 2304d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy treeObserver.removeGlobalOnLayoutListener(this); 2305d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = false; 2306d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 230882afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy 230982afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null) { 231082afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.unregisterDataSetObserver(mDataSetObserver); 231182afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = null; 231282afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 23131cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 23141cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan != null) { 23151cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan.finish(); 23161cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = null; 23171cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 23181cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 23191cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan != null) { 23201cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan.finish(); 23211cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = null; 23221cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 2323d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2324d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mFlingRunnable != null) { 2325d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mFlingRunnable); 2326d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2327d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2328d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPositionScroller != null) { 23294032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 2330d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2331d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2332d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mClearScrollingCache != null) { 2333d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mClearScrollingCache); 2334d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2335d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2336d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPerformClick != null) { 2337d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mPerformClick); 2338d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2339d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2340d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mTouchModeReset != null) { 2341d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mTouchModeReset); 2342d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn mTouchModeReset = null; 2343d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 23449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onWindowFocusChanged(boolean hasWindowFocus) { 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onWindowFocusChanged(hasWindowFocus); 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int touchMode = isInTouchMode() ? TOUCH_MODE_ON : TOUCH_MODE_OFF; 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!hasWindowFocus) { 23539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 2354670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner if (mFlingRunnable != null) { 2355670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner removeCallbacks(mFlingRunnable); 2356670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // let the fling runnable report it's new state which 2357670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // should be idle 2358670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner mFlingRunnable.endFling(); 23594032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 23604032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 23614032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2362458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mScrollY != 0) { 2363458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollY = 0; 23640fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentCaches(); 2365637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 2366458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 2367458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2368670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner } 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Always hide the type filter 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the last selected element 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mSelectedPosition; 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 237797566043afdb714fd4eea6bb22898964e95f16bcAdam Powell if (mFiltered && !mPopupHidden) { 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the type filter only if a filter is in effect 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we changed touch mode since the last time we had focus 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode != mLastTouchMode && mLastTouchMode != TOUCH_MODE_UNKNOWN) { 23849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in trackball mode, we bring the selection back 23859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This will trigger a layout 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in touch mode, then we want to hide the selector 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastTouchMode = touchMode; 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the ContextMenuInfo returned from {@link #getContextMenuInfo()}. This 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods knows the view, position and ID of the item that received the 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * long press. 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view that received the long press. 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position of the item that received the long press. 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param id The ID of the item that received the long press. 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The extra information that should be returned by 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getContextMenuInfo()}. 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContextMenuInfo createContextMenuInfo(View view, int position, long id) { 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AdapterContextMenuInfo(view, position, id); 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for Runnables that will check that their view is still attached to 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original window as when the Runnable was created. 24199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class WindowRunnnable { 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOriginalAttachCount; 24230a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rememberWindowAttachCount() { 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOriginalAttachCount = getWindowAttachCount(); 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24270a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean sameWindow() { 24299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return hasWindowFocus() && getWindowAttachCount() == mOriginalAttachCount; 24309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24320a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class PerformClick extends WindowRunnnable implements Runnable { 24349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mClickMotionPosition; 24359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 24379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The data has changed since we posted this action in the event queue, 24389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bail out before bad things happen 24399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataChanged) return; 24409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2441005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final ListAdapter adapter = mAdapter; 2442005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final int motionPosition = mClickMotionPosition; 2443005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (adapter != null && mItemCount > 0 && 2444005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition != INVALID_POSITION && 2445005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition < adapter.getCount() && sameWindow()) { 24467890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy final View view = getChildAt(motionPosition - mFirstPosition); 24477890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy // If there is no view, something bad happened (the view scrolled off the 24487890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy // screen, etc.) and we should cancel the click 24497890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy if (view != null) { 24507890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy performItemClick(view, motionPosition, adapter.getItemId(motionPosition)); 24517890fe2da4719bf72b4fbcbef20a555d5fbd94bbRomain Guy } 24529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForLongPress extends WindowRunnnable implements Runnable { 24579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = mMotionPosition; 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(mMotionPosition); 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 24650a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy if (sameWindow() && !mDataChanged) { 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(child, longPressPosition, longPressId); 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24780a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForKeyLongPress extends WindowRunnnable implements Runnable { 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPressed() && mSelectedPosition >= 0) { 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = mSelectedPosition - mFirstPosition; 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(index); 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sameWindow()) { 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(v, mSelectedPosition, mSelectedRowId); 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 24929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setPressed(false); 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 24969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) v.setPressed(false); 24979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25028350f7dbc3a62211b2891f35911e4073d24c4cc5Adam Powell boolean performLongPress(final View child, 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition, final long longPressId) { 2504f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // CHOICE_MODE_MULTIPLE_MODAL takes over long press. 2505f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 2506f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode == null) { 2507f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 2508f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setItemChecked(longPressPosition, true); 2509f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 2510f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // TODO Should we select the long pressed item if we were already in 2511f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selection mode? (i.e. treat it like an item click?) 2512f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 2513f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 2514f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2516f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, child, 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo(child, longPressPosition, longPressId); 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(AbsListView.this); 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ContextMenuInfo getContextMenuInfo() { 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContextMenuInfo; 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = getPositionForView(originalView); 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longPressPosition >= 0) { 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(longPressPosition); 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, originalView, 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo( 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChildAt(longPressPosition - mFirstPosition), 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(originalView); 25529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 25559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2560df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy public boolean onKeyDown(int keyCode, KeyEvent event) { 2561df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return false; 2562df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2563df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 2564df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy @Override 25659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(int keyCode, KeyEvent event) { 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 2569dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2570dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return true; 2571dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2572df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (isClickable() && isPressed() && 2573dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy mSelectedPosition >= 0 && mAdapter != null && 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition < mAdapter.getCount()) { 2575dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(mSelectedPosition - mFirstPosition); 257745b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy if (view != null) { 257845b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy performItemClick(view, mSelectedPosition, mSelectedRowId); 257945b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy view.setPressed(false); 258045b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy } 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2584dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy break; 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyUp(keyCode, event); 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch setPressed to our children. We call setPressed on ourselves to 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the selector in the right state, but we don't want to press each child. 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a position in the list. 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 25999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 26009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The position of the item which contains the specified point, or 26019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #INVALID_POSITION} if the point does not intersect an item. 26029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int pointToPosition(int x, int y) { 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect frame = mTouchFrame; 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame == null) { 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchFrame = new Rect(); 26079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frame = mTouchFrame; 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == View.VISIBLE) { 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(x, y)) { 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFirstPosition + i; 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_POSITION; 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a the rowId of the item which intersects that point. 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The rowId of the item which contains the specified point, or {@link #INVALID_ROW_ID} 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the point does not intersect an item. 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long pointToRowId(int x, int y) { 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = pointToPosition(x, y); 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position >= 0) { 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAdapter.getItemId(position); 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_ROW_ID; 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckForTap implements Runnable { 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN) { 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_TAP; 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(mMotionPosition - mFirstPosition); 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 26509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 2651079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn layoutChildren(); 2652079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mMotionPosition, child); 2653e0fd2eb2f143b2776b5e1a4e88144fddadd149b1Adam Powell refreshDrawableState(); 26549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressTimeout = ViewConfiguration.getLongPressTimeout(); 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 26609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 26629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).startTransition(longPressTimeout); 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 26659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 26709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForLongPress == null) { 26719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress = new CheckForLongPress(); 26729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress.rememberWindowAttachCount(); 26749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForLongPress, longPressTimeout); 26759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26790a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy mTouchMode = TOUCH_MODE_DONE_WAITING; 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean startScrollIfNeeded(int deltaY) { 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 26899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int distance = Math.abs(deltaY); 2690637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final boolean overscroll = mScrollY != 0; 2691637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscroll || distance > mTouchSlop) { 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createScrollingCache(); 2693637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = overscroll ? TOUCH_MODE_OVERSCROLL : TOUCH_MODE_SCROLL; 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionCorrection = deltaY; 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Handler should not be null unless the AbsListView is not attached to a 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window, which would make it very hard to scroll it... but the monkeys 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // say it's possible. 26999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 27009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mPendingCheckForLongPress); 27019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 27039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View motionView = getChildAt(mMotionPosition - mFirstPosition); 27049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (motionView != null) { 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project motionView.setPressed(false); 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 27089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Time to start stealing events! Once we've stolen them, don't let anyone 27099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // steal from us 27109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestDisallowInterceptTouchEvent(true); 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 27129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 27159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode) { 27199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get rid of the selection when we enter touch mode 27209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 27219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout, but only if we already have done so previously. 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (Otherwise may clobber a LAYOUT_SYNC layout that was requested to restore 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // state.) 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getHeight() > 0 && getChildCount() > 0) { 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We do not lose focus initiating a touch (since AbsListView is focusable in 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // touch mode). Force an initial layout to get rid of the selection. 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2730637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int touchMode = mTouchMode; 2731637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERSCROLL || touchMode == TOUCH_MODE_OVERFLING) { 2732637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable != null) { 2733637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.endFling(); 2734637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 27354032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 27364032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 27374032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2738637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2739637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 2740637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = 0; 27410fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentCaches(); 2742637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 2743637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 2744637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2745637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 2751dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2752dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // A disabled view that is clickable still consumes the touch 2753dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // events, it just doesn't respond to them. 2754dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return isClickable() || isLongClickable(); 2755dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2756dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onTouchEvent(ev); 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 27610a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy } 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 276382f3495b146b267f3786997752cef25310176349Romain Guy 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int action = ev.getAction(); 27659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 27679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY; 27689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVelocityTracker == null) { 27709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 27719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.addMovement(ev); 27739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 27759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 2776637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell switch (mTouchMode) { 2777637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: { 2778637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.endFling(); 27794032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 27804032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 27814032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2782637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERSCROLL; 2783637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionY = mLastY = (int) ev.getY(); 2784637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 2785637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mActivePointerId = ev.getPointerId(0); 2786637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 2787637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 27889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell default: { 2790637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mActivePointerId = ev.getPointerId(0); 2791637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int x = (int) ev.getX(); 2792637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int y = (int) ev.getY(); 2793637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int motionPosition = pointToPosition(x, y); 2794637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mDataChanged) { 2795637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if ((mTouchMode != TOUCH_MODE_FLING) && (motionPosition >= 0) 2796637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell && (getAdapter().isEnabled(motionPosition))) { 27970a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // User clicked on an actual view (and was not stopping a fling). 27980a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // It might be a click or a scroll. Assume it is a click until 27990a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // proven otherwise 2800637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_DOWN; 2801637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // FIXME Debounce 2802637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mPendingCheckForTap == null) { 2803637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mPendingCheckForTap = new CheckForTap(); 2804637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2805637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); 2806637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2807637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (ev.getEdgeFlags() != 0 && motionPosition < 0) { 28080a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // If we couldn't find a view to click on, but the down event 28090a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // was touching the edge, we will bail out and try again. 28100a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // This allows the edge correcting code in ViewRoot to try to 28110a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // find a nearby view to select 2812637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return false; 2813637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2814637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2815637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mTouchMode == TOUCH_MODE_FLING) { 2816637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Stopped a fling. It is a scroll. 2817637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell createScrollingCache(); 2818637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_SCROLL; 2819637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 2820637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionPosition = findMotionRow(y); 2821637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.flywheelTouch(); 2822637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 28239d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } 282479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 28259d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell 2826637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionPosition >= 0) { 2827637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Remember where the motion event started 2828637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell v = getChildAt(motionPosition - mFirstPosition); 2829637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = v.getTop(); 2830637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2831637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionX = x; 2832637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionY = y; 2833637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = motionPosition; 2834637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastY = Integer.MIN_VALUE; 2835637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 2836637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 28379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 28399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 28424cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 28434cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 28449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = y - mMotionY; 28459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 28469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 28479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 28489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 28499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 28509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 28519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project startScrollIfNeeded(deltaY); 28529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 28539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_SCROLL: 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_SCROLLING) { 28559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mScrollProfilingStarted) { 28569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewScroll"); 28579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollProfilingStarted = true; 28589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28611cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan == null) { 28621cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick // If it's non-null, we're already in a scroll. 28631cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = StrictMode.enterCriticalSpan("AbsListView-scroll"); 28641cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 28651cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 28669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y != mLastY) { 2867110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // We may be here after stopping a fling and continuing to scroll. 2868110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // If so, we haven't disallowed intercepting touch events yet. 2869110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // Make sure that we do so in case we're in a parent that can intercept. 2870110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell if ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) == 0 && 2871110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell Math.abs(deltaY) > mTouchSlop) { 2872110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell requestDisallowInterceptTouchEvent(true); 2873110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell } 2874110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell 2875637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int rawDeltaY = deltaY; 28769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY -= mMotionCorrection; 28779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 2878a32edd4b4c894f4fb3d9fd7e9d5b80321df79e20Adam Cohen 2879637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionIndex; 2880637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mMotionPosition >= 0) { 2881637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionIndex = mMotionPosition - mFirstPosition; 2882637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2883637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // If we don't have a motion position that we can reliably track, 2884637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // pick something in the middle to make a best guess at things below. 2885637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionIndex = getChildCount() / 2; 2886637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2887637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2888637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int motionViewPrevTop = 0; 2889637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = this.getChildAt(motionIndex); 2890637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 2891637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionViewPrevTop = motionView.getTop(); 2892637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2893637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 28946198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy // No need to do all this work if we're not going to move anyway 2895458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean atEdge = false; 28966198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (incrementalDeltaY != 0) { 2897458034799861fef47e00d85d528b4dac5e00bd51Adam Powell atEdge = trackMotionScroll(deltaY, incrementalDeltaY); 28986198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 28999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check to see if we have bumped into the scroll limit 2901637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionView = this.getChildAt(motionIndex); 2902637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 2903637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check if the top of the motion view is where it is 2904637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // supposed to be 2905637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionViewRealTop = motionView.getTop(); 2906637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (atEdge) { 2907637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Apply overscroll 2908637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2909637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int overscroll = -incrementalDeltaY - 2910637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (motionViewRealTop - motionViewPrevTop); 2911637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, overscroll, 0, mScrollY, 0, 0, 2912637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverscrollDistance, true); 2913637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(mOverscrollDistance) == Math.abs(mScrollY)) { 2914637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't allow overfling if we're at the edge. 2915637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.clear(); 2916637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2917637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2918637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 2919637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 2920637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 2921637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell !contentFits())) { 2922637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mDirection = 0; // Reset when entering overscroll. 2923637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERSCROLL; 2924637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (rawDeltaY > 0) { 2925637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onPull((float) overscroll / getHeight()); 2926637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 2927637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 2928637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2929637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else if (rawDeltaY < 0) { 2930637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onPull((float) overscroll / getHeight()); 2931637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 2932637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 2933637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2934637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2935637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 293679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 2937b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell mMotionY = y; 2938b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell invalidate(); 293979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 294079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mLastY = y; 294179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 294279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 2943637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2944637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERSCROLL: 2945637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (y != mLastY) { 2946637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int rawDeltaY = deltaY; 2947637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell deltaY -= mMotionCorrection; 2948637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 2949637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2950637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int oldScroll = mScrollY; 2951637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int newScroll = oldScroll - incrementalDeltaY; 2952637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int newDirection = y > mLastY ? 1 : -1; 2953637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2954637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mDirection == 0) { 2955637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mDirection = newDirection; 2956637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2957637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2958637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mDirection != newDirection) { 2959637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Coming back to 'real' list scrolling 2960637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell incrementalDeltaY = -newScroll; 2961637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = 0; 29620fd89bf7221431260883cee4597e2db942d799a0Romain Guy invalidateParentIfNeeded(); 2963637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2964637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // No need to do all this work if we're not going to move anyway 2965637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (incrementalDeltaY != 0) { 2966637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell trackMotionScroll(incrementalDeltaY, incrementalDeltaY); 2967637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2968637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2969637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check to see if we are back in 2970637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 2971637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 2972637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_SCROLL; 2973637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2974637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // We did not scroll the full amount. Treat this essentially like the 2975637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // start of a new touch scroll 2976637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionPosition = findClosestMotionRow(y); 2977637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2978637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 2979637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionView = getChildAt(motionPosition - mFirstPosition); 2980637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = motionView.getTop(); 2981637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionY = y; 2982637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = motionPosition; 2983637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2984637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2985637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, -incrementalDeltaY, 0, mScrollY, 0, 0, 2986637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverscrollDistance, true); 2987637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 2988637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 2989637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 2990637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell !contentFits())) { 2991637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (rawDeltaY > 0) { 2992637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onPull((float) -incrementalDeltaY / getHeight()); 2993637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 2994637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 2995637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2996637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else if (rawDeltaY < 0) { 2997637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onPull((float) -incrementalDeltaY / getHeight()); 2998637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 2999637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 3000637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3001637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3002637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3003637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3004637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(mOverscrollDistance) == Math.abs(mScrollY)) { 3005637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't allow overfling if we're at the edge. 3006637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.clear(); 3007637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3008637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3009637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastY = y; 3010637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mDirection = newDirection; 3011637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3012637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 30199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 30209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 30219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 30229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 30239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 30249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 30259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode != TOUCH_MODE_DOWN) { 30279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPerformClick == null) { 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPerformClick = new PerformClick(); 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AbsListView.PerformClick performClick = mPerformClick; 30359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.mClickMotionPosition = motionPosition; 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.rememberWindowAttachCount(); 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = motionPosition; 30399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 30449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForTap : mPendingCheckForLongPress); 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 3047005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 3048005c0a445e32dfbf18bf93d209da857604925a58Adam Powell mTouchMode = TOUCH_MODE_TAP; 30499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(mMotionPosition); 30509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 30519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 3052079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mMotionPosition, child); 30539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 30549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 30559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 30569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 30576198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy ((TransitionDrawable) d).resetTransition(); 30589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3060d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mTouchModeReset != null) { 3061d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mTouchModeReset); 3062d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 3063d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn mTouchModeReset = new Runnable() { 3064d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn @Override 30659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 3066079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mTouchMode = TOUCH_MODE_REST; 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 30689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 30699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 3070d0b8365fcbe891b0bb3b54d345337f60c292d09eRomain Guy performClick.run(); 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3073d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn }; 3074d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn postDelayed(mTouchModeReset, 3075d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn ViewConfiguration.getPressedStateDuration()); 3076005c0a445e32dfbf18bf93d209da857604925a58Adam Powell } else { 3077005c0a445e32dfbf18bf93d209da857604925a58Adam Powell mTouchMode = TOUCH_MODE_REST; 3078079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 30799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3081005c0a445e32dfbf18bf93d209da857604925a58Adam Powell } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 3082d0b8365fcbe891b0bb3b54d345337f60c292d09eRomain Guy performClick.run(); 30839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 3086079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 30879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_SCROLL: 30896198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy final int childCount = getChildCount(); 30906198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (childCount > 0) { 3091637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int firstChildTop = getChildAt(0).getTop(); 3092637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int lastChildBottom = getChildAt(childCount - 1).getBottom(); 3093637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int contentTop = mListPadding.top; 3094637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int contentBottom = getHeight() - mListPadding.bottom; 3095637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFirstPosition == 0 && firstChildTop >= contentTop && 30966198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFirstPosition + childCount < mItemCount && 3097637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell lastChildBottom <= getHeight() - contentBottom) { 30986198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mTouchMode = TOUCH_MODE_REST; 30996198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 31006198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } else { 31016198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy final VelocityTracker velocityTracker = mVelocityTracker; 31026198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3103637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 310421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy final int initialVelocity = (int) 310521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy (velocityTracker.getYVelocity(mActivePointerId) * mVelocityScale); 3106637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Fling if we have enough velocity and we aren't at a boundary. 3107637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Since we can potentially overfling more than we can overscroll, don't 3108637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // allow the weird behavior where you can scroll to a boundary then 3109637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // fling further. 3110637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(initialVelocity) > mMinimumVelocity && 3111637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell !((mFirstPosition == 0 && 3112637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell firstChildTop == contentTop - mOverscrollDistance) || 3113637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (mFirstPosition + childCount == mItemCount && 3114637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell lastChildBottom == contentBottom + mOverscrollDistance))) { 31156198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (mFlingRunnable == null) { 31166198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFlingRunnable = new FlingRunnable(); 31176198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 31186198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 31194e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 31206198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFlingRunnable.start(-initialVelocity); 3121f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy } else { 3122f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy mTouchMode = TOUCH_MODE_REST; 3123f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3124d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (mFlingRunnable != null) { 3125d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mFlingRunnable.endFling(); 3126d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 31274032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 31284032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 31294032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 31306198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 31319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 31339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 31349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 31359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 313679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 3137637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3138637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERSCROLL: 3139637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable == null) { 3140637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable = new FlingRunnable(); 3141637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3142637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final VelocityTracker velocityTracker = mVelocityTracker; 3143637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3144637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId); 3145637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3146637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 3147637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(initialVelocity) > mMinimumVelocity) { 3148637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.startOverfling(-initialVelocity); 3149637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3150637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.startSpringback(); 3151637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3152637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3153637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 31549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 31570a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 3158637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3159637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 3160637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 3161637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3162637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 31639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Need to redraw since we probably aren't drawing the selector anymore 31649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 31650a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 31669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 31679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 31689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mPendingCheckForLongPress); 31699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVelocityTracker != null) { 31729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.recycle(); 31739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker = null; 31749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31754e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 31764cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 31779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_SCROLLING) { 31799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollProfilingStarted) { 31809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.stopMethodTracing(); 31819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollProfilingStarted = false; 31829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31841cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 31851cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan != null) { 31861cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan.finish(); 31871cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = null; 31881cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 31899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 31909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_CANCEL: { 3193637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell switch (mTouchMode) { 3194637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERSCROLL: 3195637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable == null) { 3196637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable = new FlingRunnable(); 3197637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3198637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.startSpringback(); 3199637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 32009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3201637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: 3202637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Do nothing - let it play out. 3203637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 32049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3205637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell default: 3206637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_REST; 3207637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell setPressed(false); 3208637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 3209637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 3210637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionView.setPressed(false); 3211637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3212637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell clearScrollingCache(); 3213637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3214637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final Handler handler = getHandler(); 3215637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (handler != null) { 3216637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell handler.removeCallbacks(mPendingCheckForLongPress); 3217637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3218637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3219637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mVelocityTracker != null) { 3220637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.recycle(); 3221637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker = null; 3222637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32244e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3225637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3226637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 3227637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 3228637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32294cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 32304cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 32314cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 32324e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 32334cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 32344cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 32354cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = mMotionX; 32364cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = mMotionY; 32374cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int motionPosition = pointToPosition(x, y); 32384cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (motionPosition >= 0) { 32394cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // Remember where the motion event started 32404cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell v = getChildAt(motionPosition - mFirstPosition); 32414cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionViewOriginalTop = v.getTop(); 32424cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionPosition = motionPosition; 32434cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 32444cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mLastY = y; 32454cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 32469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 32509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32510a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 32529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 32530a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne protected void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) { 32540a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (mScrollY != scrollY) { 32550a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne onScrollChanged(mScrollX, scrollY, mScrollX, mScrollY); 32560a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne mScrollY = scrollY; 32570a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne invalidateParentIfNeeded(); 32580a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne 32590a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (clampedY) { 32600a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne // Velocity is broken by hitting the limit; don't start a fling off of this. 32610a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (mVelocityTracker != null) { 32620a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne mVelocityTracker.clear(); 32630a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne } 3264637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32650a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne awakenScrollBars(); 3266637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3267637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3268637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3269637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 327033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown public boolean onGenericMotionEvent(MotionEvent event) { 327133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) { 327233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown switch (event.getAction()) { 327333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_SCROLL: { 327433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (mTouchMode == TOUCH_MODE_REST) { 327533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final float vscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL); 327633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (vscroll != 0) { 327733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final int delta = (int) (vscroll * getVerticalScrollFactor()); 327833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (trackMotionScroll(delta, delta)) { 327933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return true; 328033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return super.onGenericMotionEvent(event); 328733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 328833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 328933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown @Override 32909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 32919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.draw(canvas); 3292637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3293637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3294637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 3295637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 32967d86378b0c3a02499a5a9aab35851424ffa57bd8Adam Powell final int width = getWidth() - mListPadding.left - mListPadding.right; 3297637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 32987d86378b0c3a02499a5a9aab35851424ffa57bd8Adam Powell canvas.translate(mListPadding.left, 32997d86378b0c3a02499a5a9aab35851424ffa57bd8Adam Powell Math.min(0, scrollY + mFirstPositionDistanceGuess)); 3300a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowTop.setSize(width, getHeight()); 3301637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop.draw(canvas)) { 3302637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3303637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3304637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3305637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3306637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 3307637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 33087d86378b0c3a02499a5a9aab35851424ffa57bd8Adam Powell final int width = getWidth() - mListPadding.left - mListPadding.right; 3309637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int height = getHeight(); 3310637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 33117d86378b0c3a02499a5a9aab35851424ffa57bd8Adam Powell canvas.translate(-width + mListPadding.left, 33127d86378b0c3a02499a5a9aab35851424ffa57bd8Adam Powell Math.max(height, scrollY + mLastPositionDistanceGuess)); 3313e1be66cdbce9f1bb6aa00bcfc32c1fe6a60e7574Mindy Pereira canvas.rotate(180, width, 0); 3314a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowBottom.setSize(width, height); 3315637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowBottom.draw(canvas)) { 3316637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3317637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3318637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3319637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3320637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 33219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 3322637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3323637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (scrollY != 0) { 3324637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Pin to the top/bottom during overscroll 3325637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int restoreCount = canvas.save(); 3326637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.translate(0, (float) scrollY); 3327637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFastScroller.draw(canvas); 3328637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3329637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3330637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFastScroller.draw(canvas); 3331637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 33329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 33369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 33379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = ev.getAction(); 33389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 33390a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 33409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 33419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onInterceptTouchEvent(ev); 33429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 33439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 33449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33460a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 33474cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 33489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 334979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int touchMode = mTouchMode; 3350637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERFLING || touchMode == TOUCH_MODE_OVERSCROLL) { 3351637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 3352637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return true; 3353637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 33544e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33554cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = (int) ev.getX(); 33564cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(); 33574cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(0); 33584e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int motionPosition = findMotionRow(y); 336079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) { 33619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // User clicked on an actual view (and was not stopping a fling). 33629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember where the motion event started 33639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = getChildAt(motionPosition - mFirstPosition); 33649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionViewOriginalTop = v.getTop(); 33659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionX = x; 33669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionY = y; 33679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionPosition = motionPosition; 33689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DOWN; 33699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 33709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastY = Integer.MIN_VALUE; 337279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode == TOUCH_MODE_FLING) { 33734b4f40f84e72579417604143e5f42115769649b8Romain Guy return true; 33744b4f40f84e72579417604143e5f42115769649b8Romain Guy } 33759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 33799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 33809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 33814cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 33824cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 33839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startScrollIfNeeded(y - mMotionY)) { 33849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 33859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 33929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 33934cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 33949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 33959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33974e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33984cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 33994cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 34004cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 34014cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 34029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34064e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 34074cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private void onSecondaryPointerUp(MotionEvent ev) { 34084cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 34094cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 34104cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerId = ev.getPointerId(pointerIndex); 34114cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (pointerId == mActivePointerId) { 34124cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // This was our active pointer going up. Choose a new 34134cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // active pointer and adjust accordingly. 34144cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // TODO: Make this decision more intelligent. 34154cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 34164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionX = (int) ev.getX(newPointerIndex); 34174cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionY = (int) ev.getY(newPointerIndex); 3418637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 34194cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 34204cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (mVelocityTracker != null) { 34214cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mVelocityTracker.clear(); 34224cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 34234cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 34244cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 34259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 34289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 34309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 34319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 34329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 34339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ListAdapter adapter = mAdapter; 34349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter == null) { 34369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 34379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter.isEnabled(firstPosition + i)) { 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 34439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 34459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fires an "on scroll state changed" event to the registered 34509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.AbsListView.OnScrollListener}, if any. The state change 34519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is fired only if the specified state is different from the previously known state. 34529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newState The new scroll state. 34549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reportScrollStateChange(int newState) { 34569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newState != mLastScrollState) { 34579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 34589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastScrollState = newState; 34590046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell mOnScrollListener.onScrollStateChanged(this, newState); 34609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Responsible for fling behavior. Use {@link #start(int)} to 34669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * initiate a fling. Each frame of the fling is handled in {@link #run()}. 34679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A FlingRunnable will keep re-posting itself until the fling is done. 34689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FlingRunnable implements Runnable { 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tracks the decay of a fling scroll 34739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3474637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private final OverScroller mScroller; 34759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value reported by mScroller on the previous fling 34789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastFlingY; 34809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3481d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private final Runnable mCheckFlywheel = new Runnable() { 3482d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne public void run() { 3483d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final int activeId = mActivePointerId; 3484d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final VelocityTracker vt = mVelocityTracker; 3485637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 3486d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (vt == null || activeId == INVALID_POINTER) { 3487d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 3488d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3489d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3490d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne vt.computeCurrentVelocity(1000, mMaximumVelocity); 3491d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final float yvel = -vt.getYVelocity(activeId); 3492d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3493d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (scroller.isScrollingInDirection(0, yvel)) { 3494d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Keep the fling alive a little longer 3495d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(this, FLYWHEEL_TIMEOUT); 3496d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } else { 3497d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 3498d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mTouchMode = TOUCH_MODE_SCROLL; 3499b43d6a30ad1e7bf0e64192a1f144b3fe1bcf7f95Erik reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 3500d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3501d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3502d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne }; 3503d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3504d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private static final int FLYWHEEL_TIMEOUT = 40; // milliseconds 3505d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 350679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell FlingRunnable() { 3507637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller = new OverScroller(getContext()); 35089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 351079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell void start(int initialVelocity) { 35119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialY = initialVelocity < 0 ? Integer.MAX_VALUE : 0; 35129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastFlingY = initialY; 35139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScroller.fling(0, initialY, 0, initialVelocity, 35149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, Integer.MAX_VALUE, 0, Integer.MAX_VALUE); 35159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_FLING; 35169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(this); 35179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_FLINGING) { 35199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mFlingProfilingStarted) { 35209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewFling"); 35219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlingProfilingStarted = true; 35229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35241cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 35251cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan == null) { 35261cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = StrictMode.enterCriticalSpan("AbsListView-fling"); 35271cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 35289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3530637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startSpringback() { 3531637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScroller.springBack(0, mScrollY, 0, 0, 0, 0)) { 3532637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 3533637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3534637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3535637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3536637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_REST; 3537e20a193754edec182fc0ea13f84a2a1e50add99fGilles Debunne reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3538637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3539637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3540637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3541637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startOverfling(int initialVelocity) { 3542637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int min = mScrollY > 0 ? Integer.MIN_VALUE : 0; 3543637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int max = mScrollY > 0 ? 0 : Integer.MAX_VALUE; 3544637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller.fling(0, mScrollY, 0, initialVelocity, 0, 0, min, max, 0, getHeight()); 3545637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 3546637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3547637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3548637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3549637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3550637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void edgeReached(int delta) { 3551637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller.notifyVerticalEdgeReached(mScrollY, 0, mOverflingDistance); 3552637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 3553637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 3554637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits())) { 3555637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 3556637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int vel = (int) mScroller.getCurrVelocity(); 3557637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 3558637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onAbsorb(vel); 3559637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3560637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onAbsorb(vel); 3561637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 35624032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 35634032252c997be9f5d013054dc23ace855007b3a5Adam Powell mTouchMode = TOUCH_MODE_REST; 35644032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 35654032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 35664032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 3567637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3568637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3569637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3570637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3571637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3572458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void startScroll(int distance, int duration) { 3573458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int initialY = distance < 0 ? Integer.MAX_VALUE : 0; 3574458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastFlingY = initialY; 3575458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScroller.startScroll(0, initialY, 0, distance, duration); 3576458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTouchMode = TOUCH_MODE_FLING; 3577458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3578458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3579458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3580d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void endFling() { 35819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 3582458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 358379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell removeCallbacks(this); 3584d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne removeCallbacks(mCheckFlywheel); 358521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 358621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 358721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy clearScrollingCache(); 3588d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mScroller.abortAnimation(); 35895e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick 35905e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick if (mFlingStrictSpan != null) { 35915e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan.finish(); 35925e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan = null; 35935e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick } 3594d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3595d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3596d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void flywheelTouch() { 3597d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(mCheckFlywheel, FLYWHEEL_TIMEOUT); 35989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 360179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell switch (mTouchMode) { 360279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell default: 3603d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 36049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 36054e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3606d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne case TOUCH_MODE_SCROLL: 3607d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (mScroller.isFinished()) { 3608d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 3609d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3610d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Fall through 3611637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_FLING: { 361279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (mItemCount == 0 || getChildCount() == 0) { 361379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell endFling(); 361479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell return; 361579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 36169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3617637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 3618637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell boolean more = scroller.computeScrollOffset(); 3619637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int y = scroller.getCurrY(); 36209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3621637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Flip sign to convert finger direction to list items direction 3622637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // (e.g. finger moving down means list is moving towards the top) 3623637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int delta = mLastFlingY - y; 36249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3625637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Pretend that each frame of a fling scroll is a touch scroll 3626637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 3627637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the top. Use first view as mMotionPosition 3628637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition; 3629637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View firstView = getChildAt(0); 3630637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = firstView.getTop(); 36319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3632637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 3633637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.min(getHeight() - mPaddingBottom - mPaddingTop - 1, delta); 3634637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3635637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the bottom. Use last view as mMotionPosition 3636637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int offsetToLast = getChildCount() - 1; 3637637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition + offsetToLast; 36389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View lastView = getChildAt(offsetToLast); 3640637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = lastView.getTop(); 3641d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3642637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 3643637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta); 3644637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3645d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3646637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check to see if we have bumped into the scroll limit 3647637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = getChildAt(mMotionPosition - mFirstPosition); 3648637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int oldTop = 0; 3649637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 3650637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell oldTop = motionView.getTop(); 3651637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3652637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3653637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't stop just because delta is zero (it could have been rounded) 3654637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final boolean atEnd = trackMotionScroll(delta, delta) && (delta != 0); 3655637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (atEnd) { 3656637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 3657637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Tweak the scroll for how far we overshot 3658637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int overshoot = -(delta - (motionView.getTop() - oldTop)); 3659637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, overshoot, 0, mScrollY, 0, 0, 3660637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false); 3661637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 36623cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell if (more) { 36633cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell edgeReached(delta); 36643cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell } 3665637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 3666637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3667637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3668637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (more && !atEnd) { 3669637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3670637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastFlingY = y; 3671637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3672637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3673637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 3674637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3675637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (PROFILE_FLINGING) { 3676637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingProfilingStarted) { 3677637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell Debug.stopMethodTracing(); 3678637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingProfilingStarted = false; 3679637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3680d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3681637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingStrictSpan != null) { 3682637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan.finish(); 3683637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan = null; 3684637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 36859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3687637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 3688637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3689637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3690637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: { 3691637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 3692637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (scroller.computeScrollOffset()) { 3693637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3694637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int deltaY = scroller.getCurrY() - scrollY; 3695637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overScrollBy(0, deltaY, 0, scrollY, 0, 0, 3696637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false)) { 3697637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell startSpringback(); 3698637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3699637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3700637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3701637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3702637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3703637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 3704637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3705637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 3706637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 37079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37104e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 37114e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3712458034799861fef47e00d85d528b4dac5e00bd51Adam Powell class PositionScroller implements Runnable { 3713458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int SCROLL_DURATION = 400; 37144e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3715458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_POS = 1; 3716458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_POS = 2; 3717458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_BOUND = 3; 3718458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_BOUND = 4; 3719e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private static final int MOVE_OFFSET = 5; 37204e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3721458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mMode; 3722458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mTargetPos; 3723458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mBoundPos; 3724458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mLastSeenPos; 3725458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mScrollDuration; 372652964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne private final int mExtraScroll; 3727e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3728e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private int mOffsetFromTop; 37294e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3730458034799861fef47e00d85d528b4dac5e00bd51Adam Powell PositionScroller() { 3731458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mExtraScroll = ViewConfiguration.get(mContext).getScaledFadingEdgeLength(); 3732458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37334e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3734458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void start(int position) { 37354032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 37364032252c997be9f5d013054dc23ace855007b3a5Adam Powell 3737458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 3738458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + getChildCount() - 1; 37394e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 37404bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 37414e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira if (position <= firstPos) { 3742458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = firstPos - position + 1; 3743458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 3744458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else if (position >= lastPos) { 3745458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = position - lastPos + 1; 3746458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 3747458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3748458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Already on screen, nothing to do 3749458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3750458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37514e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3752458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 3753458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 3754458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3755458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 3756458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3757458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTargetPos = position; 3758458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = INVALID_POSITION; 3759458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 37604e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3761458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3762458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37634e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3764458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void start(int position, int boundPosition) { 37654032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 37664032252c997be9f5d013054dc23ace855007b3a5Adam Powell 3767458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosition == INVALID_POSITION) { 3768458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start(position); 3769458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3770458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37714e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3772458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 3773458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + getChildCount() - 1; 37744e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 37754bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 3776fee20911e3ec97af64e4ac2c519d75b5f75e2a27Adam Powell if (position <= firstPos) { 3777458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromLast = lastPos - boundPosition; 3778458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromLast < 1) { 3779458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 3780458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3781458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37824e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3783458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int posTravel = firstPos - position + 1; 3784458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromLast - 1; 3785458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 3786458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 3787458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_BOUND; 3788458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3789458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 3790458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 3791458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3792fee20911e3ec97af64e4ac2c519d75b5f75e2a27Adam Powell } else if (position >= lastPos) { 3793458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromFirst = boundPosition - firstPos; 3794458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromFirst < 1) { 3795458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 3796458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3797458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3798458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3799458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int posTravel = position - lastPos + 1; 3800458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromFirst - 1; 3801458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 3802458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 3803458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_BOUND; 3804458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3805458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 3806458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 3807458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3808458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3809458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Already on screen, nothing to do 3810458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3811458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 38124e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3813458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 3814458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 3815458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3816458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 3817458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3818458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTargetPos = position; 3819458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = boundPosition; 3820458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 38214e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3822458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3823458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3824e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3825e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell void startWithOffset(int position, int offset) { 3826322171b333a1c796fcc1428a96ea1d854a3881faErik startWithOffset(position, offset, SCROLL_DURATION); 3827322171b333a1c796fcc1428a96ea1d854a3881faErik } 3828322171b333a1c796fcc1428a96ea1d854a3881faErik 3829322171b333a1c796fcc1428a96ea1d854a3881faErik void startWithOffset(int position, int offset, int duration) { 38304032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 38314032252c997be9f5d013054dc23ace855007b3a5Adam Powell 3832e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mTargetPos = position; 3833e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mOffsetFromTop = offset; 3834e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mBoundPos = INVALID_POSITION; 3835e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mLastSeenPos = INVALID_POSITION; 3836e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mMode = MOVE_OFFSET; 3837e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3838e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int firstPos = mFirstPosition; 3839371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int childCount = getChildCount(); 3840371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 3841e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 38424bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 3843e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 3844e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell viewTravelCount = firstPos - position; 3845e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 3846e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell viewTravelCount = position - lastPos; 3847e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 3848e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 3849e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 3850322171b333a1c796fcc1428a96ea1d854a3881faErik smoothScrollBy(targetTop - offset, duration); 3851e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell return; 3852e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3853e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3854371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell // Estimate how many screens we should travel 38554ef1da3c04aed2fc7af7796a731f5cf00712ae02Daniel Lehmann final float screenTravelCount = (float) viewTravelCount / childCount; 3856322171b333a1c796fcc1428a96ea1d854a3881faErik mScrollDuration = screenTravelCount < 1 ? (int) (screenTravelCount * duration) : 3857322171b333a1c796fcc1428a96ea1d854a3881faErik (int) (duration / screenTravelCount); 3858371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = INVALID_POSITION; 3859234a5715309ea74757780aff6123e3144efb5b69Adam Powell 3860e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3861e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3862e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3863458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void stop() { 3864458034799861fef47e00d85d528b4dac5e00bd51Adam Powell removeCallbacks(this); 3865458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3866e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3867458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void run() { 3868371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell if (mTouchMode != TOUCH_MODE_FLING && mLastSeenPos != INVALID_POSITION) { 3869371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell return; 3870371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell } 3871371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell 3872458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int listHeight = getHeight(); 3873458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 38744e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3875458034799861fef47e00d85d528b4dac5e00bd51Adam Powell switch (mMode) { 3876458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_POS: { 3877458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 1; 3878458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 38794e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 38800b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (lastViewIndex < 0) { 38810b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 38820b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 3883458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3884458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 3885458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3886458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3887458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3888458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3889458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3890458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 3891458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 3892458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 3893458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 3894029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int extraScroll = lastPos < mItemCount - 1 ? mExtraScroll : mListPadding.bottom; 3895458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3896029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell smoothScrollBy(lastViewHeight - lastViewPixelsShowing + extraScroll, 3897458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration); 3898458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3899458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 39007e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos < mTargetPos) { 3901458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3902458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3903458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3904458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 39054e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3906458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_BOUND: { 3907458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewIndex = 1; 3908029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int childCount = getChildCount(); 39094e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3910029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (firstPos == mBoundPos || childCount <= nextViewIndex 3911029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell || firstPos + childCount >= mItemCount) { 3912458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3913458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3914458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextPos = firstPos + nextViewIndex; 3915458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3916458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (nextPos == mLastSeenPos) { 3917458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3918458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3919458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3920458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3921458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3922458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View nextView = getChildAt(nextViewIndex); 3923458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewHeight = nextView.getHeight(); 3924458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewTop = nextView.getTop(); 3925458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int extraScroll = mExtraScroll; 39267e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (nextPos < mBoundPos) { 3927458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(Math.max(0, nextViewHeight + nextViewTop - extraScroll), 3928458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration); 3929458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3930458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = nextPos; 3931458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3932458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3933458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 39344e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira if (nextViewTop > extraScroll) { 3935458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(nextViewTop - extraScroll, mScrollDuration); 3936458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3937458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3938458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3939458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 39404e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3941458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_POS: { 3942458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (firstPos == mLastSeenPos) { 3943458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3944458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3945458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3946458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3947458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3948458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View firstView = getChildAt(0); 39490b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (firstView == null) { 39500b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 39510b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 3952458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstViewTop = firstView.getTop(); 3953029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int extraScroll = firstPos > 0 ? mExtraScroll : mListPadding.top; 3954458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3955029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell smoothScrollBy(firstViewTop - extraScroll, mScrollDuration); 3956458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3957458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = firstPos; 3958458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 39597e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (firstPos > mTargetPos) { 3960458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3961458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3962458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3963458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 39644e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3965458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_BOUND: { 3966458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 2; 3967458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastViewIndex < 0) { 3968458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3969458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3970458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 3971458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3972458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 3973458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3974458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3975458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3976458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3977458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3978458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 3979458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 3980458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 3981458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 3982458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 39837e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos > mBoundPos) { 3984458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(-(lastViewPixelsShowing - mExtraScroll), mScrollDuration); 3985458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3986458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3987458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int bottom = listHeight - mExtraScroll; 3988458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewBottom = lastViewTop + lastViewHeight; 3989458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (bottom > lastViewBottom) { 3990458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(-(bottom - lastViewBottom), mScrollDuration); 3991458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3992458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3993458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3994458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3995458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3996e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell case MOVE_OFFSET: { 3997234a5715309ea74757780aff6123e3144efb5b69Adam Powell if (mLastSeenPos == firstPos) { 3998234a5715309ea74757780aff6123e3144efb5b69Adam Powell // No new views, let things keep going. 3999234a5715309ea74757780aff6123e3144efb5b69Adam Powell post(this); 4000234a5715309ea74757780aff6123e3144efb5b69Adam Powell return; 4001234a5715309ea74757780aff6123e3144efb5b69Adam Powell } 4002e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4003371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = firstPos; 4004234a5715309ea74757780aff6123e3144efb5b69Adam Powell 4005234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int childCount = getChildCount(); 4006e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int position = mTargetPos; 4007371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 4008e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 40094032252c997be9f5d013054dc23ace855007b3a5Adam Powell int viewTravelCount = 0; 4010e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 40114032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = firstPos - position + 1; 40124032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else if (position > lastPos) { 40134032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = position - lastPos; 40144032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 40154032252c997be9f5d013054dc23ace855007b3a5Adam Powell 40164032252c997be9f5d013054dc23ace855007b3a5Adam Powell // Estimate how many screens we should travel 40174032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float screenTravelCount = (float) viewTravelCount / childCount; 40184032252c997be9f5d013054dc23ace855007b3a5Adam Powell 40194032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float modifier = Math.min(Math.abs(screenTravelCount), 1.f); 40204032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (position < firstPos) { 40214032252c997be9f5d013054dc23ace855007b3a5Adam Powell smoothScrollBy((int) (-getHeight() * modifier), mScrollDuration); 4022e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 4023e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 40244032252c997be9f5d013054dc23ace855007b3a5Adam Powell smoothScrollBy((int) (getHeight() * modifier), mScrollDuration); 4025e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 4026e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 4027e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 4028e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 4029234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int distance = targetTop - mOffsetFromTop; 4030234a5715309ea74757780aff6123e3144efb5b69Adam Powell smoothScrollBy(distance, 4031234a5715309ea74757780aff6123e3144efb5b69Adam Powell (int) (mScrollDuration * ((float) distance / getHeight()))); 4032e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4033e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell break; 4034e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4035e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4036458034799861fef47e00d85d528b4dac5e00bd51Adam Powell default: 4037458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4038458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4039458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4040458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 40414e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4042458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 40434bede9e425875542976a422222510fa4056a8339Romain Guy * The amount of friction applied to flings. The default value 40444bede9e425875542976a422222510fa4056a8339Romain Guy * is {@link ViewConfiguration#getScrollFriction}. 40454e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 40464bede9e425875542976a422222510fa4056a8339Romain Guy * @return A scalar dimensionless value representing the coefficient of 40474bede9e425875542976a422222510fa4056a8339Romain Guy * friction. 40484bede9e425875542976a422222510fa4056a8339Romain Guy */ 40494bede9e425875542976a422222510fa4056a8339Romain Guy public void setFriction(float friction) { 40504bede9e425875542976a422222510fa4056a8339Romain Guy if (mFlingRunnable == null) { 40514bede9e425875542976a422222510fa4056a8339Romain Guy mFlingRunnable = new FlingRunnable(); 40524bede9e425875542976a422222510fa4056a8339Romain Guy } 40534e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mFlingRunnable.mScroller.setFriction(friction); 40544bede9e425875542976a422222510fa4056a8339Romain Guy } 405521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 405621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy /** 405721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * Sets a scale factor for the fling velocity. The initial scale 405821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * factor is 1.0. 40594e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 406021317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * @param scale The scale factor to multiply the velocity by. 406121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy */ 406221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy public void setVelocityScale(float scale) { 406321317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy mVelocityScale = scale; 406421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy } 40654e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 40664bede9e425875542976a422222510fa4056a8339Romain Guy /** 4067458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4068458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed. 4069458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4070458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4071458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position) { 4072458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 4073458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 4074458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4075458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position); 4076458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4077322171b333a1c796fcc1428a96ea1d854a3881faErik 4078322171b333a1c796fcc1428a96ea1d854a3881faErik /** 4079322171b333a1c796fcc1428a96ea1d854a3881faErik * Smoothly scroll to the specified adapter position. The view will scroll 4080322171b333a1c796fcc1428a96ea1d854a3881faErik * such that the indicated position is displayed <code>offset</code> pixels from 4081322171b333a1c796fcc1428a96ea1d854a3881faErik * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4082322171b333a1c796fcc1428a96ea1d854a3881faErik * the first or last item beyond the boundaries of the list) it will get as close 4083322171b333a1c796fcc1428a96ea1d854a3881faErik * as possible. The scroll will take <code>duration</code> milliseconds to complete. 4084322171b333a1c796fcc1428a96ea1d854a3881faErik * 4085322171b333a1c796fcc1428a96ea1d854a3881faErik * @param position Position to scroll to 4086322171b333a1c796fcc1428a96ea1d854a3881faErik * @param offset Desired distance in pixels of <code>position</code> from the top 4087322171b333a1c796fcc1428a96ea1d854a3881faErik * of the view when scrolling is finished 4088322171b333a1c796fcc1428a96ea1d854a3881faErik * @param duration Number of milliseconds to use for the scroll 4089322171b333a1c796fcc1428a96ea1d854a3881faErik */ 4090322171b333a1c796fcc1428a96ea1d854a3881faErik public void smoothScrollToPositionFromTop(int position, int offset, int duration) { 4091322171b333a1c796fcc1428a96ea1d854a3881faErik if (mPositionScroller == null) { 4092322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller = new PositionScroller(); 4093322171b333a1c796fcc1428a96ea1d854a3881faErik } 4094322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller.startWithOffset(position, offset, duration); 4095322171b333a1c796fcc1428a96ea1d854a3881faErik } 4096322171b333a1c796fcc1428a96ea1d854a3881faErik 4097458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4098e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * Smoothly scroll to the specified adapter position. The view will scroll 4099e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * such that the indicated position is displayed <code>offset</code> pixels from 4100e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4101e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the first or last item beyond the boundaries of the list) it will get as close 4102e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * as possible. 4103e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * 4104e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param position Position to scroll to 4105e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param offset Desired distance in pixels of <code>position</code> from the top 4106e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * of the view when scrolling is finished 4107e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell */ 4108e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell public void smoothScrollToPositionFromTop(int position, int offset) { 4109e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (mPositionScroller == null) { 4110e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller = new PositionScroller(); 4111e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4112e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller.startWithOffset(position, offset); 4113e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4114e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4115e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell /** 4116458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4117458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed, but it will 4118458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * stop early if scrolling further would scroll boundPosition out of 41194e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * view. 4120458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4121458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param boundPosition Do not scroll if it would move this adapter 4122458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * position out of view. 4123458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4124458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position, int boundPosition) { 4125458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 4126458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 4127458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4128458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position, boundPosition); 4129458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 41304e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4131458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4132458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll by distance pixels over duration milliseconds. 4133458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param distance Distance to scroll in pixels. 4134458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param duration Duration of the scroll animation in milliseconds. 4135458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4136458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollBy(int distance, int duration) { 4137458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mFlingRunnable == null) { 4138458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFlingRunnable = new FlingRunnable(); 4139458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 41404032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4141299acb581205b6574bfa91824b1b887e265c4c40Marc Blank // No sense starting to scroll if we're not going anywhere 41424032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int firstPos = mFirstPosition; 41434032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int childCount = getChildCount(); 41444032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int lastPos = firstPos + childCount; 41454032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int topLimit = getPaddingTop(); 41464032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int bottomLimit = getHeight() - getPaddingBottom(); 41474032252c997be9f5d013054dc23ace855007b3a5Adam Powell 414879303750df0e4d18f51f64c7ef3ca21fca893bbbAdam Powell if (distance == 0 || mItemCount == 0 || childCount == 0 || 41494032252c997be9f5d013054dc23ace855007b3a5Adam Powell (firstPos == 0 && getChildAt(0).getTop() == topLimit && distance < 0) || 41504032252c997be9f5d013054dc23ace855007b3a5Adam Powell (lastPos == mItemCount - 1 && 41514032252c997be9f5d013054dc23ace855007b3a5Adam Powell getChildAt(childCount - 1).getBottom() == bottomLimit && distance > 0)) { 41524032252c997be9f5d013054dc23ace855007b3a5Adam Powell mFlingRunnable.endFling(); 41534032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 41544032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 41554032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 41564032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 41570046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 4158299acb581205b6574bfa91824b1b887e265c4c40Marc Blank mFlingRunnable.startScroll(distance, duration); 4159299acb581205b6574bfa91824b1b887e265c4c40Marc Blank } 4160458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 41619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4162499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 4163499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Allows RemoteViews to scroll relatively to a position. 4164499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4165499cb9f516062b654952d282f211bee44c31a3c2Winson Chung void smoothScrollByOffset(int position) { 4166499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int index = -1; 4167499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (position < 0) { 4168499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getFirstVisiblePosition(); 4169499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if (position > 0) { 4170499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getLastVisiblePosition(); 4171499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4172499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4173499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (index > -1) { 4174499cb9f516062b654952d282f211bee44c31a3c2Winson Chung View child = getChildAt(index - getFirstVisiblePosition()); 4175499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child != null) { 4176499cb9f516062b654952d282f211bee44c31a3c2Winson Chung Rect visibleRect = new Rect(); 4177499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child.getGlobalVisibleRect(visibleRect)) { 4178499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the child is partially visible 4179499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int childRectArea = child.getWidth() * child.getHeight(); 4180499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int visibleRectArea = visibleRect.width() * visibleRect.height(); 4181499cb9f516062b654952d282f211bee44c31a3c2Winson Chung float visibleArea = (visibleRectArea / (float) childRectArea); 4182499cb9f516062b654952d282f211bee44c31a3c2Winson Chung final float visibleThreshold = 0.75f; 4183499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if ((position < 0) && (visibleArea < visibleThreshold)) { 4184499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the top index is not perceivably visible so offset 4185499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that top index as well 4186499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ++index; 4187499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if ((position > 0) && (visibleArea < visibleThreshold)) { 4188499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the bottom index is not perceivably visible so offset 4189499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that bottom index as well 4190499cb9f516062b654952d282f211bee44c31a3c2Winson Chung --index; 4191499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4192499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4193499cb9f516062b654952d282f211bee44c31a3c2Winson Chung smoothScrollToPosition(Math.max(0, Math.min(getCount(), index + position))); 4194499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4195499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4196499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4197499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 41989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createScrollingCache() { 41999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !mCachingStarted) { 42009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawnWithCacheEnabled(true); 42019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(true); 42020211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy mCachingStarted = mCachingActive = true; 42039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void clearScrollingCache() { 42076dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (mClearScrollingCache == null) { 42086dfed24158b8fc9150abee23992db621cd82aa43Romain Guy mClearScrollingCache = new Runnable() { 42096dfed24158b8fc9150abee23992db621cd82aa43Romain Guy public void run() { 42106dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (mCachingStarted) { 42110211a0a10d20ec99bd78905ea9cd2960f7beb4c8Romain Guy mCachingStarted = mCachingActive = false; 42126dfed24158b8fc9150abee23992db621cd82aa43Romain Guy setChildrenDrawnWithCacheEnabled(false); 42136dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if ((mPersistentDrawingCache & PERSISTENT_SCROLLING_CACHE) == 0) { 42146dfed24158b8fc9150abee23992db621cd82aa43Romain Guy setChildrenDrawingCacheEnabled(false); 42156dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 42166dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (!isAlwaysDrawnWithCacheEnabled()) { 42176dfed24158b8fc9150abee23992db621cd82aa43Romain Guy invalidate(); 42186dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 42196dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 42206dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 42216dfed24158b8fc9150abee23992db621cd82aa43Romain Guy }; 42229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42236dfed24158b8fc9150abee23992db621cd82aa43Romain Guy post(mClearScrollingCache); 42249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Track a motion scroll 42289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 42299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deltaY Amount to offset mMotionView. This is the accumulated delta since the motion 42309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * began. Positive numbers mean the user's finger is moving down the screen. 42319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param incrementalDeltaY Change in deltaY from the previous event. 4232458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @return true if we're already at the beginning/end of the list and have nothing to do. 42339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4234458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean trackMotionScroll(int deltaY, int incrementalDeltaY) { 42359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 42369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount == 0) { 4237458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 42389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstTop = getChildAt(0).getTop(); 42419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int lastBottom = getChildAt(childCount - 1).getBottom(); 42429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 42449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4245bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // "effective padding" In this case is the amount of padding that affects 4246bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // how much space should not be filled by items. If we don't clip to padding 4247bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // there is no effective padding. 4248bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingTop = 0; 4249bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingBottom = 0; 4250bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 4251bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingTop = listPadding.top; 4252bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingBottom = listPadding.bottom; 4253bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell } 4254bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell 42559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME account for grid vertical spacing too? 4256bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int spaceAbove = effectivePaddingTop - firstTop; 4257bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int end = getHeight() - effectivePaddingBottom; 42589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int spaceBelow = lastBottom - end; 42599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight() - mPaddingBottom - mPaddingTop; 42619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (deltaY < 0) { 42629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.max(-(height - 1), deltaY); 42639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 42649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.min(height - 1, deltaY); 42659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (incrementalDeltaY < 0) { 42689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.max(-(height - 1), incrementalDeltaY); 42699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 42709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.min(height - 1, incrementalDeltaY); 42719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4273458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPosition = mFirstPosition; 42749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4275637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Update our guesses for where the first and last views are 4276637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition == 0) { 4277bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mFirstPositionDistanceGuess = firstTop - listPadding.top; 4278637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4279637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFirstPositionDistanceGuess += incrementalDeltaY; 4280637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4281637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition + childCount == mItemCount) { 4282bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mLastPositionDistanceGuess = lastBottom + listPadding.bottom; 4283637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4284637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastPositionDistanceGuess += incrementalDeltaY; 4285637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4286637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 42870a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne final boolean cannotScrollDown = (firstPosition == 0 && 42880a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne firstTop >= listPadding.top && incrementalDeltaY >= 0); 42890a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne final boolean cannotScrollUp = (firstPosition + childCount == mItemCount && 42900a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne lastBottom <= getHeight() - listPadding.bottom && incrementalDeltaY <= 0); 42919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42920a1b818b8c45c8b100eeabb5c59bb4d85cf90868Gilles Debunne if (cannotScrollDown || cannotScrollUp) { 4293637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return incrementalDeltaY != 0; 4294458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 42959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4296458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final boolean down = incrementalDeltaY < 0; 42979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4298029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final boolean inTouchMode = isInTouchMode(); 4299029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (inTouchMode) { 4300029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell hideSelector(); 4301029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 43029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4303458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int headerViewsCount = getHeaderViewsCount(); 4304458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int footerViewsStart = mItemCount - getFooterViewsCount(); 43059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4306458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int start = 0; 4307458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int count = 0; 43089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4309458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 43108c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int top = -incrementalDeltaY; 43118c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 43128c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell top += listPadding.top; 43138c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 4314458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = 0; i < childCount; i++) { 4315458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 4316458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getBottom() >= top) { 4317458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4318458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4319458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 4320458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 4321458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 4322079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 4323458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4324458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (ViewDebug.TRACE_RECYCLER) { 4325458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.trace(child, 4326458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 4327458034799861fef47e00d85d528b4dac5e00bd51Adam Powell firstPosition + i, -1); 43289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4331458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4332458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 43338c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int bottom = getHeight() - incrementalDeltaY; 43348c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 43358c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell bottom -= listPadding.bottom; 43368c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 4337458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = childCount - 1; i >= 0; i--) { 4338458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 4339458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getTop() <= bottom) { 4340458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4341458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4342458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start = i; 4343458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 4344458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 4345458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 4346079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 4347458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4348458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (ViewDebug.TRACE_RECYCLER) { 4349458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.trace(child, 4350458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 4351458034799861fef47e00d85d528b4dac5e00bd51Adam Powell firstPosition + i, -1); 43529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4356458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4357458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4358458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMotionViewNewTop = mMotionViewOriginalTop + deltaY; 43599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4360458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = true; 43619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4362458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (count > 0) { 43639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project detachViewsFromParent(start, count); 4364458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4365458034799861fef47e00d85d528b4dac5e00bd51Adam Powell offsetChildrenTopAndBottom(incrementalDeltaY); 43669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4367458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 4368458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFirstPosition += count; 4369458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43704e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4371458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 43729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4373458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int absIncrementalDeltaY = Math.abs(incrementalDeltaY); 4374458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (spaceAbove < absIncrementalDeltaY || spaceBelow < absIncrementalDeltaY) { 4375458034799861fef47e00d85d528b4dac5e00bd51Adam Powell fillGap(down); 43769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4377458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4378029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (!inTouchMode && mSelectedPosition != INVALID_POSITION) { 43792a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell final int childIndex = mSelectedPosition - mFirstPosition; 43802a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell if (childIndex >= 0 && childIndex < getChildCount()) { 4381079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mSelectedPosition, getChildAt(childIndex)); 4382079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 4383079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else if (mSelectorPosition != INVALID_POSITION) { 4384079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final int childIndex = mSelectorPosition - mFirstPosition; 4385079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (childIndex >= 0 && childIndex < getChildCount()) { 4386079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(INVALID_POSITION, getChildAt(childIndex)); 43872a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell } 4388079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 4389079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorRect.setEmpty(); 4390029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 4391029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 4392458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = false; 4393458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4394458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invokeOnItemScrollListener(); 4395458034799861fef47e00d85d528b4dac5e00bd51Adam Powell awakenScrollBars(); 43964e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4397458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return false; 43989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of header views in the list. Header views are special views 44029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the top of the list that should not be recycled during a layout. 44039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of header views, 0 in the default implementation. 44059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getHeaderViewsCount() { 44079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 44089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of footer views in the list. Footer views are special views 44129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the bottom of the list that should not be recycled during a layout. 44139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of footer views, 0 in the default implementation. 44159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getFooterViewsCount() { 44179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 44189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the gap left open by a touch-scroll. During a touch scroll, children that 44229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remain on screen are shifted and the other ones are discarded. The role of this 44239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method is to fill the gap thus created by performing a partial layout in the 44249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * empty space. 44259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param down true if the scroll is going down, false if it is going up 44279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void fillGap(boolean down); 44299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void hideSelector() { 44319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition != INVALID_POSITION) { 4432ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell if (mLayoutMode != LAYOUT_SPECIFIC) { 4433ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell mResurrectToPosition = mSelectedPosition; 4434ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell } 44359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNextSelectedPosition >= 0 && mNextSelectedPosition != mSelectedPosition) { 44369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mNextSelectedPosition; 44379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 44399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 44409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 4441079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorShowing = false; 44429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A position to select. First we try mSelectedPosition. If that has been clobbered by 44479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * entering touch mode, we then try mResurrectToPosition. Values are pinned to the range 44489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of items available in the adapter 44499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int reconcileSelectedPosition() { 44519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = mSelectedPosition; 44529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position < 0) { 44539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = mResurrectToPosition; 44549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.max(0, position); 44569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.min(position, mItemCount - 1); 44579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 44589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the row closest to y. This row will be used as the motion row when scrolling 44629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Where the user touched 44644cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * @return The position of the first (or only) item in the row containing y 44659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract int findMotionRow(int y); 44679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4469637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Find the row closest to y. This row will be used as the motion row when scrolling. 4470637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * 4471637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @param y Where the user touched 4472637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return The position of the first (or only) item in the row closest to y 4473637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 4474637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int findClosestMotionRow(int y) { 4475637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 4476637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (childCount == 0) { 4477637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return INVALID_POSITION; 4478637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4479637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4480637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionRow = findMotionRow(y); 4481637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return motionRow != INVALID_POSITION ? motionRow : mFirstPosition + childCount - 1; 4482637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4483637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4484637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 44859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Causes all the views to be rebuilt and redrawn. 44869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateViews() { 44889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 44899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 44909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 44919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 44929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44934e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown 44944e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown /** 44958d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * If there is a selection returns false. 44968d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * Otherwise resurrects the selection and returns true if resurrected. 44974e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown */ 44988d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown boolean resurrectSelectionIfNeeded() { 44994e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown if (mSelectedPosition < 0) { 45008d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown return resurrectSelection(); 45014e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 45028d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown return false; 45034e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 45049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the item at the supplied position selected. 45079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 45089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position the position of the new selection 45099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 45109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void setSelectionInt(int position); 45119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempt to bring the selection back if the user is switching from touch 45149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to trackball mode 45159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether selection was set to something. 45169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 45179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resurrectSelection() { 45189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 45199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount <= 0) { 45219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 45229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedTop = 0; 45259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedPos; 45269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenTop = mListPadding.top; 45279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenBottom = mBottom - mTop - mListPadding.bottom; 45289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 45299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int toPosition = mResurrectToPosition; 45309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean down = true; 45319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition >= firstPosition && toPosition < firstPosition + childCount) { 45339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = toPosition; 45349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View selected = getChildAt(selectedPos - mFirstPosition); 45369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = selected.getTop(); 45379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedBottom = selected.getBottom(); 45389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are scrolled, don't get in the fade 45409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedTop < childrenTop) { 45419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenTop + getVerticalFadingEdgeLength(); 45429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (selectedBottom > childrenBottom) { 45439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenBottom - selected.getMeasuredHeight() 45449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project - getVerticalFadingEdgeLength(); 45459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 45479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition < firstPosition) { 45489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default to selecting whatever is first 45499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition; 45509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 45519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 45529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 45539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 45559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the position of the first item 45569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we are scrolled at all 45589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition > 0 || top < childrenTop) { 45599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are scrolled, don't select anything that is 45609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the fade region 45619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenTop += getVerticalFadingEdgeLength(); 45629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (top >= childrenTop) { 45659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found a view whose top is fully visisble 45669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 45679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 45699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 45729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int itemCount = mItemCount; 45739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project down = false; 45749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + childCount - 1; 45759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childCount - 1; i >= 0; i--) { 45779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 45789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 45799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = v.getBottom(); 45809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == childCount - 1) { 45829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition + childCount < itemCount || bottom > childrenBottom) { 45849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenBottom -= getVerticalFadingEdgeLength(); 45859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bottom <= childrenBottom) { 45899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 45909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 45929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 45989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCallbacks(mFlingRunnable); 45994032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 46004032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 46014032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 46029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 46039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 46049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = selectedTop; 46059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = lookForSelectablePosition(selectedPos, down); 46069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedPos >= firstPosition && selectedPos <= getLastVisiblePosition()) { 46079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SPECIFIC; 46089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectionInt(selectedPos); 46099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 46109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = INVALID_POSITION; 46129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 46149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return selectedPos >= 0; 46169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 46199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void handleDataChanged() { 46209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mItemCount; 46219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 46229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newPos; 46249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectablePos; 46269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find the row we are supposed to sync to 46289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNeedSync) { 46299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update this first, since setNextSelectedPositionInt inspects it 46309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 46319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46320785279dad89d90564f42beb2c4620bf387a966eAdam Powell if (mTranscriptMode == TRANSCRIPT_MODE_ALWAYS_SCROLL) { 46339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_FORCE_BOTTOM; 46349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4635da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } else if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 4636da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mForceTranscriptScroll) { 4637da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mForceTranscriptScroll = false; 4638da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 4639da13dbae6fe0619101433ac861da460b8be63a36Adam Powell return; 4640da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 46410785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int childCount = getChildCount(); 46420785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int listBottom = getBottom() - getPaddingBottom(); 46430785279dad89d90564f42beb2c4620bf387a966eAdam Powell final View lastChild = getChildAt(childCount - 1); 46440785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 46450785279dad89d90564f42beb2c4620bf387a966eAdam Powell if (mFirstPosition + childCount >= mOldItemCount && lastBottom <= listBottom) { 46460785279dad89d90564f42beb2c4620bf387a966eAdam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 46470785279dad89d90564f42beb2c4620bf387a966eAdam Powell return; 46480785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 46490785279dad89d90564f42beb2c4620bf387a966eAdam Powell // Something new came in and we didn't scroll; give the user a clue that 46500785279dad89d90564f42beb2c4620bf387a966eAdam Powell // there's something new. 46510785279dad89d90564f42beb2c4620bf387a966eAdam Powell awakenScrollBars(); 46520785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 46539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mSyncMode) { 46559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_SELECTED_POSITION: 46569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode()) { 46579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We saved our state when not in touch mode. (We know this because 46589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSyncMode is SYNC_SELECTED_POSITION.) Now we are trying to 46599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // restore in touch mode. Just leave mSyncPosition as it is (possibly 46609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // adjusting if the available range changed) and return. 46619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 46629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 46639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we can find a position in the new data with the same 46679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // id as the old selection. This will change mSyncPosition. 46689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = findSyncPosition(); 46699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= 0) { 46709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found it. Now verify that new selection is still selectable 46719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 46729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos == newPos) { 46739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Same row id is selected 46749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = newPos; 46759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSyncHeight == getHeight()) { 46779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are at the same height as when we saved state, try 46789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to restore the scroll position too. 46799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 46809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are not the same height as when the selection was saved, so 46829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't try to restore the exact position 46839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SET_SELECTION; 46849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Restore selection 46879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(newPos); 46889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 46939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_FIRST_POSITION: 46949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Leave mSyncPosition as it is -- just pin to available range 46959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 46969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 46979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode()) { 47039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We couldn't find matching data -- try to use the same position 47049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = getSelectedItemPosition(); 47059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pin position to the available range 47079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= count) { 47089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = count - 1; 47099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos < 0) { 47119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = 0; 47129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we select something selectable -- first look down 47159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 47169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 47189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 47199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 47209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 47219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Looking down didn't work -- try looking up 47229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, false); 47239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 47249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 47259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 47269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 47299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We already know where we want to resurrect the selection 47319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResurrectToPosition >= 0) { 47329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 47339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Nothing is selected. Give up and reset everything. 47399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = mStackFromBottom ? LAYOUT_FORCE_BOTTOM : LAYOUT_FORCE_TOP; 47409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition = INVALID_POSITION; 47419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRowId = INVALID_ROW_ID; 47429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedPosition = INVALID_POSITION; 47439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedRowId = INVALID_ROW_ID; 47449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 4745079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 47469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkSelectionChanged(); 47479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 474943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy @Override 475043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy protected void onDisplayHint(int hint) { 475143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy super.onDisplayHint(hint); 475243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy switch (hint) { 475343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case INVISIBLE: 475443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 475543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy dismissPopup(); 475643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 475743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 475843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case VISIBLE: 475943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mFiltered && mPopup != null && !mPopup.isShowing()) { 476043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy showPopup(); 476143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 476243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 476343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 476424562487126b48c8ff39a42b76f3705f238da6c8Romain Guy mPopupHidden = hint == INVISIBLE; 476543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 476643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy 47679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the filter window 47699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4770d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void dismissPopup() { 47719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null) { 47729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.dismiss(); 47739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shows the filter window 47789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void showPopup() { 47809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we have a window before showing the popup 47819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getWindowVisibility() == View.VISIBLE) { 47824df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project createTextFilter(true); 4783b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project positionPopup(); 47849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we get focus if we are showing the popup 47859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkFocus(); 47869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project private void positionPopup() { 47909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int screenHeight = getResources().getDisplayMetrics().heightPixels; 47919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] xy = new int[2]; 47929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getLocationOnScreen(xy); 479324443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // TODO: The 20 below should come from the theme 47949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: And the gravity should be defined in the theme as well 47959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottomGap = screenHeight - xy[1] - getHeight() + (int) (mDensityScale * 20); 4796b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!mPopup.isShowing()) { 47979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 47989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xy[0], bottomGap); 47999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 48009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.update(xy[0], bottomGap, -1, -1); 48019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 48059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What is the distance between the source and destination rectangles given the direction of 48069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus navigation between them? The direction basically helps figure out more quickly what is 48079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * self evident by the relationship between the rects... 48089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 48099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source the source rectangle 48109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dest the destination rectangle 48119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction the direction 48129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the distance between the rectangles 48139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 48149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static int getDistance(Rect source, Rect dest, int direction) { 48159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sX, sY; // source x, y 48169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dX, dY; // dest x, y 48179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (direction) { 48189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_RIGHT: 48199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.right; 48209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 48219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left; 48229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 48239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_DOWN: 48259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 48269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.bottom; 48279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 48289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top; 48299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_LEFT: 48319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left; 48329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 48339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.right; 48349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 48359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_UP: 48379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 48389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top; 48399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 48409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.bottom; 48419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48424e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_FORWARD: 48434e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_BACKWARD: 48444e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sX = source.right + source.width() / 2; 48454e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sY = source.top + source.height() / 2; 48464e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dX = dest.left + dest.width() / 2; 48474e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dY = dest.top + dest.height() / 2; 48484e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown break; 48499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 48509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("direction must be one of " 48514e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, " 48524e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "FOCUS_FORWARD, FOCUS_BACKWARD}."); 48539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaX = dX - sX; 48559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY = dY - sY; 48569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return deltaY * deltaY + deltaX * deltaX; 48579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 48609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isInFilterMode() { 48619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 48629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 48659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sends a key to the text filter window 48669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 48679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param keyCode The keycode for the event 48689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param event The actual key event 48699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 48709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the text filter handled the event, false otherwise. 48719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 48729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean sendToTextFilter(int keyCode, int count, KeyEvent event) { 4873b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!acceptFilter()) { 48749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 48759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 48789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean okToSend = true; 48799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 48809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 48819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 48829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 48839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 48849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 48859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 48869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 48879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_BACK: 488983fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn if (mFiltered && mPopup != null && mPopup.isShowing()) { 48908d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn if (event.getAction() == KeyEvent.ACTION_DOWN 48918d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn && event.getRepeatCount() == 0) { 4892b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown KeyEvent.DispatcherState state = getKeyDispatcherState(); 4893b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown if (state != null) { 4894b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown state.startTracking(event, this); 4895b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown } 489683fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 489783fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } else if (event.getAction() == KeyEvent.ACTION_UP 489883fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn && event.isTracking() && !event.isCanceled()) { 489983fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 490083fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn mTextFilter.setText(""); 490183fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } 49029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 49049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 49059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_SPACE: 49069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only send spaces once we are filtered 4907cf6c5720a759709db69f253c36646d22ceb23f90Romain Guy okToSend = mFiltered; 49089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 49099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4911b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (okToSend) { 49129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(true); 49139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent forwardEvent = event; 49159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (forwardEvent.getRepeatCount() > 0) { 4916105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project forwardEvent = KeyEvent.changeTimeRepeat(event, event.getEventTime(), 0); 49179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 49209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (action) { 49219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_DOWN: 49229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyDown(keyCode, forwardEvent); 49239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 49249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_UP: 49269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyUp(keyCode, forwardEvent); 49279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 49289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_MULTIPLE: 49309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyMultiple(keyCode, count, event); 49319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 49329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 49359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4938b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * Return an InputConnection for editing of the filter text. 4939b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 4940b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 4941b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 4942c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (isTextFilterEnabled()) { 4943c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // XXX we need to have the text filter created, so we can get an 4944c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // InputConnection to proxy to. Unfortunately this means we pretty 4945c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // much need to make it as soon as a list view gets focus. 4946c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project createTextFilter(false); 49471bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (mPublicInputConnection == null) { 49481bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mDefInputConnection = new BaseInputConnection(this, false); 49491bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mPublicInputConnection = new InputConnectionWrapper( 49501bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mTextFilter.onCreateInputConnection(outAttrs), true) { 49511bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 49521bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean reportFullscreenMode(boolean enabled) { 49531bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // Use our own input connection, since it is 49541bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // the "real" one the IME is talking with. 49551bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mDefInputConnection.reportFullscreenMode(enabled); 49561bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49571bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 49581bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 49591bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean performEditorAction(int editorAction) { 49601bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // The editor is off in its own window; we need to be 49611bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // the one that does this. 49621bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (editorAction == EditorInfo.IME_ACTION_DONE) { 49631bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn InputMethodManager imm = (InputMethodManager) 49641bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn getContext().getSystemService( 49651bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn Context.INPUT_METHOD_SERVICE); 49661bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (imm != null) { 49671bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn imm.hideSoftInputFromWindow(getWindowToken(), 0); 49681bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49691bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return true; 49701bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49711bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return false; 49721bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49731bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 49741bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 49751bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean sendKeyEvent(KeyEvent event) { 49761bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // Use our own input connection, since the filter 49771bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // text view may not be shown in a window so has 49781bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // no ViewRoot to dispatch events with. 49791bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mDefInputConnection.sendKeyEvent(event); 49801bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49811bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn }; 49821bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49831bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.inputType = EditorInfo.TYPE_CLASS_TEXT 49841bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn | EditorInfo.TYPE_TEXT_VARIATION_FILTER; 49851bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE; 49861bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mPublicInputConnection; 4987c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project } 4988c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project return null; 4989b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 49900a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4991b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 4992b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * For filtering we proxy an input connection to an internal text editor, 4993b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * and this allows the proxying to happen. 4994b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 4995b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 4996b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public boolean checkInputConnectionProxy(View view) { 4997b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project return view == mTextFilter; 4998b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 49990a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5000b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 50019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the window for the text filter and populates it with an EditText field; 50029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 50039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animateEntrance true if the window should appear with an animation 50049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createTextFilter(boolean animateEntrance) { 50069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 50079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context c = getContext(); 50089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow p = new PopupWindow(c); 50094df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project LayoutInflater layoutInflater = (LayoutInflater) 50104df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project c.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 50119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter = (EditText) layoutInflater.inflate( 50129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.layout.typing_filter, null); 5013b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // For some reason setting this as the "real" input type changes 5014b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // the text view in some way that it doesn't work, and I don't 5015b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // want to figure out why this is. 5016b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project mTextFilter.setRawInputType(EditorInfo.TYPE_CLASS_TEXT 5017b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project | EditorInfo.TYPE_TEXT_VARIATION_FILTER); 5018105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project mTextFilter.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI); 50199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.addTextChangedListener(this); 50209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setFocusable(false); 50219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setTouchable(false); 50229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 50239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setContentView(mTextFilter); 50249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setWidth(LayoutParams.WRAP_CONTENT); 50259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setHeight(LayoutParams.WRAP_CONTENT); 50269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setBackgroundDrawable(null); 50279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup = p; 50289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getViewTreeObserver().addOnGlobalLayoutListener(this); 5029d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = true; 50309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animateEntrance) { 50329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilter); 50339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilterRestore); 50359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear the text filter. 50409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearTextFilter() { 50429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 50439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(""); 50449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 50459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null && mPopup.isShowing()) { 50469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 50479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns if the ListView currently has a text filter. 50539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasTextFilter() { 50559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 50569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onGlobalLayout() { 50599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isShown()) { 50609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the popup if we are filtered 506124562487126b48c8ff39a42b76f3705f238da6c8Romain Guy if (mFiltered && mPopup != null && !mPopup.isShowing() && !mPopupHidden) { 50629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 50639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Hide the popup when we are no longer visible 506643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 50679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 50689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50741bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 50751bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 50769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beforeTextChanged(CharSequence s, int start, int count, int after) { 50789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50811bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Performs 50821bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * the actual filtering as the text changes, and takes care of hiding and 50831bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * showing the popup displaying the currently entered filter text. 50849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTextChanged(CharSequence s, int start, int before, int count) { 5086c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (mPopup != null && isTextFilterEnabled()) { 50879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = s.length(); 50889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean showing = mPopup.isShowing(); 50899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!showing && length > 0) { 50909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the filter popup if necessary 50919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 50929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 50939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (showing && length == 0) { 50949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the filter popup if the user has cleared all text 50951bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn dismissPopup(); 50969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 50979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 50999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 51009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Filter should not be null when we reach this part 51019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (f != null) { 51029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(s, this); 51039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 51049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("You cannot call onTextChanged with a non " 51059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "filterable adapter"); 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 51119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51121bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 51131bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 51149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void afterTextChanged(Editable s) { 51169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onFilterComplete(int count) { 51199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition < 0 && count > 0) { 51209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 51219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 51229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 51269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 51279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(p); 51289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 51319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 51329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AbsListView.LayoutParams(getContext(), attrs); 51339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 51369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 51379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p instanceof AbsListView.LayoutParams; 51389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts the list or grid into transcript mode. In this mode the list or grid will always scroll 51429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the bottom to show new items. 51439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the transcript mode to set 51459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_DISABLED 51479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_NORMAL 51489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_ALWAYS_SCROLL 51499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTranscriptMode(int mode) { 51519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTranscriptMode = mode; 51529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current transcript mode. 51569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #TRANSCRIPT_MODE_DISABLED}, {@link #TRANSCRIPT_MODE_NORMAL} or 51589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #TRANSCRIPT_MODE_ALWAYS_SCROLL} 51599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTranscriptMode() { 51619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTranscriptMode; 51629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 51659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSolidColor() { 51669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 51679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 51715be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * on top of a solid, single-color, opaque background. 51725be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * 51735be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * Zero means that what's behind this object is translucent (non solid) or is not made of a 51745be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * single color. This hint will not affect any existing background drawable set on this view ( 51755be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * typically set via {@link #setBackgroundDrawable(Drawable)}). 51769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color The background color 51789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCacheColorHint(int color) { 518052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (color != mCacheColorHint) { 518152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mCacheColorHint = color; 518252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy int count = getChildCount(); 518352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; i++) { 518452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy getChildAt(i).setDrawingCacheBackgroundColor(color); 518552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 518652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mRecycler.setCacheColorHint(color); 518752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 51889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 51929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on top of a solid, single-color, opaque background 51939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The cache color hint 51959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCacheColorHint() { 51979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 51989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views (excluding headers and footers) held by this AbsListView into the supplied 52029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List. This includes views displayed on the screen as well as views stored in AbsListView's 52039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal view recycler. 52049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 52059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param views A list into which to put the reclaimed views 52069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reclaimViews(List<View> views) { 52089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childCount = getChildCount(); 52099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RecyclerListener listener = mRecycler.mRecyclerListener; 52109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reclaim views on screen 52129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 52139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 521413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 52159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reclaim header or footer views, or views that should be ignored 52169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp != null && mRecycler.shouldRecycleViewType(lp.viewType)) { 52179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 52189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (listener != null) { 52199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend they went through the scrap heap 52209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onMovedToScrapHeap(child); 52219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.reclaimScrapViews(views); 52259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 52269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 522913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 523013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 523113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 523213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean onConsistencyCheck(int consistency) { 523313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.onConsistencyCheck(consistency); 523413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 523513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkLayout = (consistency & ViewDebug.CONSISTENCY_LAYOUT) != 0; 523613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 523713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkLayout) { 523813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // The active recycler must be empty 523913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] activeViews = mRecycler.mActiveViews; 524013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy int count = activeViews.length; 524113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 524213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (activeViews[i] != null) { 524313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 524452964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 524513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "AbsListView " + this + " has a view in its active recycler: " + 524613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy activeViews[i]); 524713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 524813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 524913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 525013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // All views in the recycler must NOT be on screen and must NOT have a parent 525113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ArrayList<View> scrap = mRecycler.mCurrentScrap; 525213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!checkScrap(scrap)) result = false; 525313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ArrayList<View>[] scraps = mRecycler.mScrapViews; 525413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy count = scraps.length; 525513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 525613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!checkScrap(scraps[i])) result = false; 525713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 525813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 525913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 526013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 526113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 526213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 526313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy private boolean checkScrap(ArrayList<View> scrap) { 526413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (scrap == null) return true; 526513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = true; 526613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 526713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = scrap.size(); 526813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 526913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View view = scrap.get(i); 527013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (view.getParent() != null) { 527113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 527252964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, "AbsListView " + this + 527313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy " has a view in its scrap heap still attached to a parent: " + view); 527413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 527513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (indexOfChild(view) >= 0) { 527613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 527752964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, "AbsListView " + this + 527813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy " has a view in its scrap heap that is also a direct child: " + view); 527913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 528013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 528113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 528213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 528313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 528413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 5285637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private void finishGlows() { 5286637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 5287637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.finish(); 5288637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.finish(); 5289637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5290637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5291637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 529213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 5293499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Sets up this AbsListView to use a remote views adapter which connects to a RemoteViewsService 5294499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * through the specified intent. 5295499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * @param intent the intent used to identify the RemoteViewsService for the adapter to connect to. 5296499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 5297499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void setRemoteViewsAdapter(Intent intent) { 52989b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 52999b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // service handling the specified intent. 53003ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (mRemoteAdapter != null) { 53013ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcNew = new Intent.FilterComparison(intent); 53023ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcOld = new Intent.FilterComparison( 53033ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung mRemoteAdapter.getRemoteViewsServiceIntent()); 53043ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (fcNew.equals(fcOld)) { 53053ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung return; 53063ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung } 53079b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung } 53089b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung 53099b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Otherwise, create a new RemoteViewsAdapter for binding 5310499cb9f516062b654952d282f211bee44c31a3c2Winson Chung mRemoteAdapter = new RemoteViewsAdapter(getContext(), intent, this); 5311499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5312499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 5313499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 5314499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter connects to the RemoteViewsService. 5315499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 531616c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung public boolean onRemoteAdapterConnected() { 5317499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (mRemoteAdapter != mAdapter) { 5318499cb9f516062b654952d282f211bee44c31a3c2Winson Chung setAdapter(mRemoteAdapter); 531916c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return false; 5320fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen } else if (mRemoteAdapter != null) { 5321fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen mRemoteAdapter.superNotifyDataSetChanged(); 532216c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return true; 5323499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 532416c8d8a558f94ec14ef52bb5ac11044e2d0d902cWinson Chung return false; 5325499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5326499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 5327499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 5328499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter disconnects from the RemoteViewsService. 5329499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 5330499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterDisconnected() { 5331fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // If the remote adapter disconnects, we keep it around 5332fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // since the currently displayed items are still cached. 5333fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // Further, we want the service to eventually reconnect 5334fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // when necessary, as triggered by this view requesting 5335fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // items from the Adapter. 5336499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5337499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 5338499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 53399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the recycler listener to be notified whenever a View is set aside in 53409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the recycler for later reuse. This listener can be used to free resources 53419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to the View. 53429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 53439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The recycler listener to be notified of views set aside 53449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the recycler. 53459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 53469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 53479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 53489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRecyclerListener(RecyclerListener listener) { 53509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.mRecyclerListener = listener; 53519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5353b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell class AdapterDataSetObserver extends AdapterView<ListAdapter>.AdapterDataSetObserver { 5354b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell @Override 5355b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell public void onChanged() { 5356b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell super.onChanged(); 5357b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell if (mFastScroller != null) { 5358b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell mFastScroller.onSectionsChanged(); 5359b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 5360b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 5361b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell 5362b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell @Override 5363b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell public void onInvalidated() { 5364b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell super.onInvalidated(); 5365b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell if (mFastScroller != null) { 5366b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell mFastScroller.onSectionsChanged(); 5367b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 5368b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 5369b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell } 5370b1f498afc379ec84b86137e91afda6eccb8f4c0aAdam Powell 53719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5372f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * A MultiChoiceModeListener receives events for {@link AbsListView#CHOICE_MODE_MULTIPLE_MODAL}. 5373f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * It acts as the {@link ActionMode.Callback} for the selection mode and also receives 5374f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #onItemCheckedStateChanged(ActionMode, int, long, boolean)} events when the user 5375f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selects and deselects list items. 5376f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 5377f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public interface MultiChoiceModeListener extends ActionMode.Callback { 5378f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 5379f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Called when an item is checked or unchecked during selection mode. 5380f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 5381f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param mode The {@link ActionMode} providing the selection mode 5382f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position Adapter position of the item that was checked or unchecked 5383f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param id Adapter ID of the item that was checked or unchecked 5384f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param checked <code>true</code> if the item is now checked, <code>false</code> 5385f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the item is now unchecked. 5386f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 5387f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 5388f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked); 5389f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5390f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5391f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell class MultiChoiceModeWrapper implements MultiChoiceModeListener { 5392f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell private MultiChoiceModeListener mWrapped; 5393f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5394f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setWrapped(MultiChoiceModeListener wrapped) { 5395f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped = wrapped; 5396f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5397f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5398f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onCreateActionMode(ActionMode mode, Menu menu) { 5399f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mWrapped.onCreateActionMode(mode, menu)) { 5400f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Initialize checked graphic state? 5401f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(false); 5402f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 5403f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5404f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 5405f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5406f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5407f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 5408f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onPrepareActionMode(mode, menu); 5409f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5410f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5411f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 5412f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onActionItemClicked(mode, item); 5413f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5414f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5415f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onDestroyActionMode(ActionMode mode) { 5416f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onDestroyActionMode(mode); 5417f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 5418f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5419f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Ending selection mode means deselecting everything. 5420f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 5421f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5422f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 5423f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 5424f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 5425f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5426f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 5427f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5428f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5429f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 5430f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked) { 5431f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onItemCheckedStateChanged(mode, position, id, checked); 5432f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5433f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // If there are no items selected we no longer need the selection mode. 5434f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (getCheckedItemCount() == 0) { 5435f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mode.finish(); 5436f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5437f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5438f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5439f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5440f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 54419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AbsListView extends LayoutParams to provide a place to hold the view type. 54429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams extends ViewGroup.LayoutParams { 54449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View type for this view, as returned by 54469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.Adapter#getItemViewType(int) } 54479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5448bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list", mapping = { 54499bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_IGNORE, to = "ITEM_VIEW_TYPE_IGNORE"), 54509bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_HEADER_OR_FOOTER, to = "ITEM_VIEW_TYPE_HEADER_OR_FOOTER") 54519bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell }) 54529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType; 54539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54544df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 54554df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * When this boolean is set, the view has been added to the AbsListView 54564df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * at least once. It is used to know whether headers/footers have already 54574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * been added to the list view and whether they should be treated as 54584df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * recycled views or not. 54594df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 5460bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 54614df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project boolean recycledHeaderFooter; 54624df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 54630bf88594c43ced48d862d122e3e84967b3b63658Romain Guy /** 54640bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * When an AbsListView is measured with an AT_MOST measure spec, it needs 54650bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * to obtain children views to measure itself. When doing so, the children 54660bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * are not attached to the window, but put in the recycler which assumes 54670bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * they've been attached before. Setting this flag will force the reused 54680bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * view to be attached to the window rather than just attached to the 54690bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * parent. 54700bf88594c43ced48d862d122e3e84967b3b63658Romain Guy */ 5471bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 54720bf88594c43ced48d862d122e3e84967b3b63658Romain Guy boolean forceAdd; 54730bf88594c43ced48d862d122e3e84967b3b63658Romain Guy 5474079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 5475079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The position the view was removed from when pulled out of the 5476079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * scrap heap. 5477079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @hide 5478079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 5479079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int scrappedFromPosition; 5480079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 54819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 54829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(c, attrs); 54839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h) { 54869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 54879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h, int viewType) { 54909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 54919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.viewType = viewType; 54929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 54959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 54969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A RecyclerListener is used to receive a notification whenever a View is placed 55019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the RecycleBin's scrap heap. This listener is used to free resources 55029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to Views placed in the RecycleBin. 55039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 55059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 55069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static interface RecyclerListener { 55089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the specified View was moved into the recycler's scrap heap. 55109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not displayed on screen any more and any expensive resource 55119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated with the view should be discarded. 55129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view 55149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMovedToScrapHeap(View view); 55169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The RecycleBin facilitates reuse of views across layouts. The RecycleBin has two levels of 55209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage: ActiveViews and ScrapViews. ActiveViews are those views which were onscreen at the 55219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of a layout. By construction, they are displaying current information. At the end of 55229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, all views in ActiveViews are demoted to ScrapViews. ScrapViews are old views that 55239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could potentially be used by the adapter to avoid allocating views unnecessarily. 55249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 55269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 55279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class RecycleBin { 55299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RecyclerListener mRecyclerListener; 55309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the first view stored in mActiveViews. 55339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFirstActivePosition; 55359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views that were on screen at the start of layout. This array is populated at the start of 55389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, and at the end of layout all view in mActiveViews are moved to mScrapViews. 55399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views in mActiveViews represent a contiguous range of Views, with position of the first 55409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view store in mFirstActivePosition. 55419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mActiveViews = new View[0]; 55439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unsorted views that can be used by the adapter as a convert view. 55469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View>[] mScrapViews; 55489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewTypeCount; 55509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View> mCurrentScrap; 55529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewTypeCount(int viewTypeCount) { 55549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (viewTypeCount < 1) { 55559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Can't have a viewTypeCount < 1"); 55569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 55589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View>[] scrapViews = new ArrayList[viewTypeCount]; 55599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; i++) { 55609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews[i] = new ArrayList<View>(); 55619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewTypeCount = viewTypeCount; 55639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap = scrapViews[0]; 55649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews = scrapViews; 55659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55664e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5567f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell public void markChildrenDirty() { 5568f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (mViewTypeCount == 1) { 5569f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mCurrentScrap; 5570f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 5571f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < scrapCount; i++) { 5572f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(i).forceLayout(); 5573f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5574f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } else { 5575f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int typeCount = mViewTypeCount; 5576f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < typeCount; i++) { 5577f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mScrapViews[i]; 5578f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 5579f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int j = 0; j < scrapCount; j++) { 5580f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(j).forceLayout(); 5581f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5582f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5583f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5584f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 55850a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 55869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldRecycleViewType(int viewType) { 55879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return viewType >= 0; 55889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clears the scrap heap. 55929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 55949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 55959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mCurrentScrap; 55969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 55979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < scrapCount; i++) { 55989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - i), false); 55999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 56019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int typeCount = mViewTypeCount; 56029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < typeCount; i++) { 56039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mScrapViews[i]; 56049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 56059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < scrapCount; j++) { 56069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - j), false); 56079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill ActiveViews with all of the children of the AbsListView. 56149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 56159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childCount The minimum number of views mActiveViews should hold 56169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstActivePosition The position of the first view that will be stored in 56179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews 56189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void fillActiveViews(int childCount, int firstActivePosition) { 56209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActiveViews.length < childCount) { 56219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActiveViews = new View[childCount]; 56229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition = firstActivePosition; 56249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 56269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 56279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 56289c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 56299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views into the scrap heap 56309c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy if (lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 56319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note: We do place AdapterView.ITEM_VIEW_TYPE_IGNORE in active views. 56329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // However, we will NOT place them into scrap views. 56334df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project activeViews[i] = child; 56349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the view corresponding to the specified position. The view will be removed from 56409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews if it is found. 56419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 56429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to look up in mActiveViews 56439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The view if it is found, null otherwise 56449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getActiveView(int position) { 56469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = position - mFirstActivePosition; 56479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 56489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >=0 && index < activeViews.length) { 56499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View match = activeViews[index]; 56509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[index] = null; 56519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return match; 56529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 56549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view from the ScrapViews collection. These are unordered. 56589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getScrapView(int position) { 56609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 5661079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mCurrentScrap, position); 56629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 56639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int whichScrap = mAdapter.getItemViewType(position); 56649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whichScrap >= 0 && whichScrap < mScrapViews.length) { 5665079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mScrapViews[whichScrap], position); 56669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 56699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Put a view into the ScapViews list. These views are unordered. 56739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 56749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrap The view to add 56759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5676079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void addScrapView(View scrap, int position) { 56779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AbsListView.LayoutParams lp = (AbsListView.LayoutParams) scrap.getLayoutParams(); 56789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp == null) { 56799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 56809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views or views that should be ignored 56839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // into the scrap heap 56849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType = lp.viewType; 56859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldRecycleViewType(viewType)) { 56869b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 56879b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(scrap, false); 56889b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 56899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 56909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5692079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn lp.scrappedFromPosition = position; 5693079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 56949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 5695a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy scrap.dispatchStartTemporaryDetach(); 56969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap.add(scrap); 56979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5698a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy scrap.dispatchStartTemporaryDetach(); 56999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews[viewType].add(scrap); 57009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRecyclerListener != null) { 57039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(scrap); 57049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views remaining in mActiveViews to mScrapViews. 57099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 57109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void scrapActiveViews() { 57119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 57129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasListener = mRecyclerListener != null; 57139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean multipleScraps = mViewTypeCount > 1; 57149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> scrapViews = mCurrentScrap; 57169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = activeViews.length; 5717a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = count - 1; i >= 0; i--) { 57189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View victim = activeViews[i]; 57199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (victim != null) { 5720079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final AbsListView.LayoutParams lp 5721079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn = (AbsListView.LayoutParams) victim.getLayoutParams(); 5722079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int whichScrap = lp.viewType; 57239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[i] = null; 57259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57269b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (!shouldRecycleViewType(whichScrap)) { 57279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do not move views that should be ignored 57289b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (whichScrap != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 57299b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(victim, false); 57309b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 57319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 57329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (multipleScraps) { 57359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews = mScrapViews[whichScrap]; 57369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5737a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy victim.dispatchStartTemporaryDetach(); 5738079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn lp.scrappedFromPosition = mFirstActivePosition + i; 57399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews.add(victim); 57409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasListener) { 57429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(victim); 57439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 57469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(victim, 57479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.RecyclerTraceType.MOVE_FROM_ACTIVE_TO_SCRAP_HEAP, 57489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition + i, -1); 57499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pruneScrapViews(); 57549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes sure that the size of mScrapViews does not exceed the size of mActiveViews. 57589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (This can happen if an adapter does not recycle its views). 57599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 57609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void pruneScrapViews() { 57619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int maxViews = mActiveViews.length; 57629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 57639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 57649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 57659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 57669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapPile.size(); 57679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int extras = size - maxViews; 57689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size--; 57699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < extras; j++) { 57709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrapPile.remove(size--), false); 57719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts all views in the scrap heap into the supplied list. 57779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 57789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reclaimScrapViews(List<View> views) { 57799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 57809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(mCurrentScrap); 57819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 57829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 57839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 57849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 57859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 57869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(scrapPile); 57879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy 579152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy /** 579252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * Updates the cache color hint of all known views. 579352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * 579452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * @param color The new cache color hint. 579552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy */ 579652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy void setCacheColorHint(int color) { 579752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (mViewTypeCount == 1) { 579852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mCurrentScrap; 579952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 580052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < scrapCount; i++) { 580152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy scrap.get(i).setDrawingCacheBackgroundColor(color); 580252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 580352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } else { 580452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int typeCount = mViewTypeCount; 580552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < typeCount; i++) { 580652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mScrapViews[i]; 580752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 580852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int j = 0; j < scrapCount; j++) { 5809266e05179cc8f5fe6324510aa54bb8c1779d2f6cRomain Guy scrap.get(j).setDrawingCacheBackgroundColor(color); 581052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 581152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 581252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 581352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy // Just in case this is called during a layout pass 581452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View[] activeViews = mActiveViews; 581552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int count = activeViews.length; 581652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; ++i) { 581752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View victim = activeViews[i]; 581852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (victim != null) { 581952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy victim.setDrawingCacheBackgroundColor(color); 582052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 582152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 582252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 58239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5824079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 5825079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn static View retrieveFromScrap(ArrayList<View> scrapViews, int position) { 5826079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int size = scrapViews.size(); 5827079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (size > 0) { 5828079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // See if we still have a view for this position. 5829079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn for (int i=0; i<size; i++) { 5830079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn View view = scrapViews.get(i); 5831079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (((AbsListView.LayoutParams)view.getLayoutParams()) 5832079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn .scrappedFromPosition == position) { 5833079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn scrapViews.remove(i); 5834079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return view; 5835079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5836079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5837079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return scrapViews.remove(size - 1); 5838079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 5839079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return null; 5840079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5841079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 58429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5843