AbsListView.java revision 79303750df0e4d18f51f64c7ef3ca21fca893bbb
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; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 48f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.Menu; 49f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.MenuItem; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.VelocityTracker; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewConfiguration; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewDebug; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 571bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.BaseInputConnection; 58b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.EditorInfo; 59b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.InputConnection; 601bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.InputConnectionWrapper; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.inputmethod.InputMethodManager; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 67d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Base class that can be used to implement virtualized lists of items. A list does 68d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * not have a spatial definition here. For instance, subclases of this class can 69d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * display the content of the list in a grid, in a carousel, as stack, etc. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_stackFromBottom 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_scrollingCache 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_textFilterEnabled 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_transcriptMode 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_cacheColorHint 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_fastScrollEnabled 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 80f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @attr ref android.R.styleable#AbsListView_choiceMode 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class AbsListView extends AdapterView<ListAdapter> implements TextWatcher, 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewTreeObserver.OnGlobalLayoutListener, Filter.FilterListener, 84499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ViewTreeObserver.OnTouchModeChangeListener, 85499cb9f516062b654952d282f211bee44c31a3c2Winson Chung RemoteViewsAdapter.RemoteAdapterConnectionCallback { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disables the transcript mode. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_DISABLED = 0; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom when a data set change 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * notification is received and only if the last item is already visible 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on screen. 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_NORMAL = 1; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom, no matter what items 1030a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * are currently visible. 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_ALWAYS_SCROLL = 2; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that we are not in the middle of a touch gesture 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_REST = -1; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The 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 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scroll gesture. 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DOWN = 0; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch has been recognized as a tap and we are now waiting to see if the touch 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a longpress 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_TAP = 1; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates we have waited for everything we can wait for, but the user's finger is still down 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DONE_WAITING = 2; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch gesture is a scroll 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_SCROLL = 3; 1354e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the view is in the process of being flung 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_FLING = 4; 1400a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 142637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the touch gesture is an overscroll - a scroll beyond the beginning or end. 143637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 144637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERSCROLL = 5; 145637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 146637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 147637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Indicates the view is being flung outside of normal content bounds 148637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * and will spring back. 149637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 150637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int TOUCH_MODE_OVERFLING = 6; 151637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 152637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Regular layout - usually an unsolicited layout from the view system 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_NORMAL = 0; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the first item 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_TOP = 1; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Force the selected item to be on somewhere on the screen 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SET_SELECTION = 2; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the last item 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_BOTTOM = 3; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make a mSelectedItem appear in a specific location and build the rest of 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the views from there. The top is specified by mSpecificTop. 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SPECIFIC = 4; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout to sync as a result of a data change. Restore mSyncPosition to have its top 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at mSpecificTop 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SYNC = 5; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout as a result of using the navigation keys 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_MOVE_SELECTION = 6; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 190f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Normal list that does not indicate choices 191f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 192f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_NONE = 0; 193f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 194f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 195f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows up to one choice 196f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 197f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_SINGLE = 1; 198f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 199f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 200f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices 201f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 202f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE = 2; 203f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 204f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 205f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices in a modal selection mode 206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE_MODAL = 3; 208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls if/how the user may choose/check items in the list 211f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 212f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mChoiceMode = CHOICE_MODE_NONE; 213f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 214f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 215f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls CHOICE_MODE_MULTIPLE_MODAL. null when inactive. 216f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 217f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ActionMode mChoiceActionMode; 218f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 219f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Wrapper for the multiple choice mode callback; AbsListView needs to perform 221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * a few extra actions around what application code does. 222f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 223f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell MultiChoiceModeWrapper mMultiChoiceModeCallback; 224f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 225f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 226f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running count of how many items are currently checked 227f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 228f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mCheckedItemCount; 229f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 230f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 231f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which positions are currently checked 232f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 233f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray mCheckStates; 234f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 235f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 236f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which IDs are currently checked 237f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 238f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell LongSparseArray<Boolean> mCheckedIdStates; 239f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 240f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the next layout will happen 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLayoutMode = LAYOUT_NORMAL; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be used by subclasses to listen to changes in the dataset 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AdapterDataSetObserver mDataSetObserver; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The adapter containing the data to be displayed by this view 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListAdapter mAdapter; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 256499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * The remote adapter containing the data to be displayed by this view to be set 257499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 258499cb9f516062b654952d282f211bee44c31a3c2Winson Chung private RemoteViewsAdapter mRemoteAdapter; 259499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 260499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list selector should be drawn on top of the children or behind 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mDrawSelectorOnTop = false; 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The drawable used to draw the selector 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable mSelector; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 271079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * Set to true if we would like to have the selector showing itself. 272079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * We still need to draw and position it even if this is false. 273079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 274079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn boolean mSelectorShowing; 275079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 276079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 277079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The current position of the selector in the list. 278079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 279079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mSelectorPosition = INVALID_POSITION; 280079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 281079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the selector's location and dimension at drawing time 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mSelectorRect = new Rect(); 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data set used to store unused views that should be reused during the next layout 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to avoid creating new ones 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RecycleBin mRecycler = new RecycleBin(); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's left padding 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionLeftPadding = 0; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's top padding 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionTopPadding = 0; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's right padding 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionRightPadding = 0; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's bottom padding 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionBottomPadding = 0; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view's padding 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mListPadding = new Rect(); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses must retain their measure spec from onMeasure() into this member 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mWidthMeasureSpec = 0; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top scroll indicator 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollUp; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The down scroll indicator 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollDown; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the view is scrolling, this flag is set to true to indicate subclasses that 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the drawing cache was enabled on the children 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCachingStarted; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the view that received the down motion event 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionPosition; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset to the top of the mMotionPosition view when the down motion event was received 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewOriginalTop; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The desired offset to the top of the mMotionPosition view after a scroll 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewNewTop; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The X value associated with the the down motion event 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionX; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Y value associated with the the down motion event 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionY; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * One of TOUCH_MODE_REST, TOUCH_MODE_DOWN, TOUCH_MODE_TAP, TOUCH_MODE_SCROLL, or 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TOUCH_MODE_DONE_WAITING 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mTouchMode = TOUCH_MODE_REST; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value from on the previous motion event (if any) 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLastY; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How far the finger moved before we started scrolling 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionCorrection; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determines speed during touch scrolling 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VelocityTracker mVelocityTracker; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Handles one frame of a fling 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FlingRunnable mFlingRunnable; 3884e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 389458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 390458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Handles scrolling between positions within the list. 391458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 392458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private PositionScroller mPositionScroller; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset in pixels form the top of the AdapterView to the top 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the currently selected view. Used to save and restore state. 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectedTop = 0; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list is stacked from the bottom edge or 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the top edge. 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStackFromBottom; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to true, the list automatically discards the children's 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap cache after scrolling. 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mScrollingCacheEnabled; 4110a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Whether or not to enable the fast scroll feature on this list 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mFastScrollEnabled; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Optional callback to notify client when scroll position has changed 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnScrollListener mOnScrollListener; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Keeps track of our accessory window 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow mPopup; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used with type filter window 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EditText mTextFilter; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether to use pixels-based or position-based scrollbar 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * properties. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSmoothScrollbarEnabled = true; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view supports filtering 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTextFilterEnabled; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view is currently displaying a filtered view of the data 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFiltered; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rectangle used for hit testing children 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTouchFrame; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position to resurrect the selected position to. 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mResurrectToPosition = INVALID_POSITION; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContextMenuInfo mContextMenuInfo = null; 4594e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4600b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell /** 461637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to record overscroll 462637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 463637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollMax; 464637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 465637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 466637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Content height divided by this is the overscroll limit. 467637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 468637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell static final int OVERSCROLL_LIMIT_DIVISOR = 3; 469637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 470637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to request a layout when we changed touch mode 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_UNKNOWN = -1; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_ON = 0; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_OFF = 1; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastTouchMode = TOUCH_MODE_UNKNOWN; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_SCROLLING = false; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mScrollProfilingStarted = false; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_FLINGING = false; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFlingProfilingStarted = false; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4861cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * The StrictMode "critical time span" objects to catch animation 4871cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * stutters. Non-null when a time-sensitive animation is 4881cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * in-flight. Must call finish() on them when done animating. 4891cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick * These are no-ops on user builds. 4901cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick */ 4911cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mScrollStrictSpan = null; 4921cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick private StrictMode.Span mFlingStrictSpan = null; 4931cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 4941cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick /** 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForLongPress runnable we posted, if any 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForLongPress mPendingCheckForLongPress; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForTap runnable we posted, if any 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable mPendingCheckForTap; 5030a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForKeyLongPress runnable we posted, if any 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForKeyLongPress mPendingCheckForKeyLongPress; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Acts upon click 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AbsListView.PerformClick mPerformClick; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 515d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn * Delayed action for touch mode. 516d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn */ 517d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn private Runnable mTouchModeReset; 518d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 519d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn /** 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view is in transcript mode -- it shows the bottom of the list when the data 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changes 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTranscriptMode; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this list is always drawn on top of a solid, single-color, opaque 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * background 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCacheColorHint; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The select child's view (from the adapter's getView) is enabled. 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsChildViewEnabled; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last scroll state reported to clients through {@link OnScrollListener}. 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper object that renders and controls the fast scroll thumb. 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FastScroller mFastScroller; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 546d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private boolean mGlobalLayoutListenerAddedFilter; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 548d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private int mTouchSlop; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mDensityScale; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5511bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnection mDefInputConnection; 5521bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnectionWrapper mPublicInputConnection; 5536dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5546dfed24158b8fc9150abee23992db621cd82aa43Romain Guy private Runnable mClearScrollingCache; 5554296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMinimumVelocity; 5564296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMaximumVelocity; 55721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy private float mVelocityScale = 1.0f; 5584e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 55921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy final boolean[] mIsScrap = new boolean[1]; 5604e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 56124562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // True when the popup should be hidden because of a call to 56224562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // dispatchDisplayHint() 56324562487126b48c8ff39a42b76f3705f238da6c8Romain Guy private boolean mPopupHidden; 5644e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5654cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 5664cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * ID of the active pointer. This is used to retain consistency during 5674cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * drags/flings if multiple pointers are used. 5684cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 5694cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private int mActivePointerId = INVALID_POINTER; 5704e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5714cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 5724cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Sentinel value for no current active pointer. 5734cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Used by {@link #mActivePointerId}. 5744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 5754cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private static final int INVALID_POINTER = -1; 5766dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 578637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overscroll by during edge effects 579637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 580637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverscrollDistance; 581637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 582637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 583637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Maximum distance to overfling during edge effects 584637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 585637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int mOverflingDistance; 586637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 587637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // These two EdgeGlows are always set and used together. 588637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Checking one for null is as good as checking both. 589637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 590637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 591637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the top edge glow. 592637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 593637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private EdgeGlow mEdgeGlowTop; 594637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 595637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 596637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Tracks the state of the bottom edge glow. 597637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 598637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private EdgeGlow mEdgeGlowBottom; 599637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 600637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 601637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the top of the list and 602637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the top of the first position in the adapter, based on the last time 603637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 604637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 605637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mFirstPositionDistanceGuess; 606637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 607637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 608637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * An estimate of how many pixels are between the bottom of the list and 609637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * the bottom of the last position in the adapter, based on the last time 610637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * we saw it. Used to hint where to draw edge glows. 611637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 612637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mLastPositionDistanceGuess; 613637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 614637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 615637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Used for determining when to cancel out of overscroll. 616637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 617637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private int mDirection = 0; 618637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 619637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 620da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * Tracked on measurement in transcript mode. Makes sure that we can still pin to 621da13dbae6fe0619101433ac861da460b8be63a36Adam Powell * the bottom correctly on resizes. 622da13dbae6fe0619101433ac861da460b8be63a36Adam Powell */ 623da13dbae6fe0619101433ac861da460b8be63a36Adam Powell private boolean mForceTranscriptScroll; 624da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 625da13dbae6fe0619101433ac861da460b8be63a36Adam Powell /** 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the list or grid 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has been scrolled. 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnScrollListener { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not scrolling. Note navigating the list using the trackball counts as 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being in the idle state since these transitions are not animated. 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_IDLE = 0; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user is scrolling using touch, and their finger is still on the screen 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_TOUCH_SCROLL = 1; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user had previously been scrolling using touch and had performed a fling. The 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation is now coasting to a stop 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_FLING = 2; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked while the list view or grid view is being scrolled. If the 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view is being scrolled, this method will be called before the next frame of the scroll is 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rendered. In particular, it will be called before any calls to 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Adapter#getView(int, View, ViewGroup)}. 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrollState The current scroll state. One of {@link #SCROLL_STATE_IDLE}, 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #SCROLL_STATE_TOUCH_SCROLL} or {@link #SCROLL_STATE_IDLE}. 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScrollStateChanged(AbsListView view, int scrollState); 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked when the list or grid has been scrolled. This will be 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called after the scroll has completed 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstVisibleItem the index of the first visible cell (ignore if 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visibleItemCount == 0) 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param visibleItemCount the number of visible cells 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalItemCount the number of items in the list adaptor 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int totalItemCount); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 674e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 675e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * The top-level view of a list item can implement this interface to allow 676e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * itself to modify the bounds of the selection shown for that item. 677e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 678e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public interface SelectionBoundsAdjuster { 679e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn /** 680e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * Called to allow the list item to adjust the bounds shown for 681e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * its selection. 682e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * 683e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * @param bounds On call, this contains the bounds the list has 684e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * selected for the item (that is the bounds of the entire view). The 685e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn * values can be modified as desired. 686e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn */ 687e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void adjustListItemSelectionBounds(Rect bounds); 688e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 689e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVerticalScrollBarEnabled(true); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(R.styleable.View); 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeScrollbars(a); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.absListViewStyle); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs, int defStyle) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView, defStyle, 0); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.AbsListView_listSelector); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(d); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = a.getBoolean( 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView_drawSelectorOnTop, false); 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stackFromBottom = a.getBoolean(R.styleable.AbsListView_stackFromBottom, false); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setStackFromBottom(stackFromBottom); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean scrollingCacheEnabled = a.getBoolean(R.styleable.AbsListView_scrollingCache, true); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScrollingCacheEnabled(scrollingCacheEnabled); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useTextFilter = a.getBoolean(R.styleable.AbsListView_textFilterEnabled, false); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTextFilterEnabled(useTextFilter); 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transcriptMode = a.getInt(R.styleable.AbsListView_transcriptMode, 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRANSCRIPT_MODE_DISABLED); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTranscriptMode(transcriptMode); 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color = a.getColor(R.styleable.AbsListView_cacheColorHint, 0); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCacheColorHint(color); 7340a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean enableFastScroll = a.getBoolean(R.styleable.AbsListView_fastScrollEnabled, false); 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFastScrollEnabled(enableFastScroll); 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean smoothScrollbar = a.getBoolean(R.styleable.AbsListView_smoothScrollbar, true); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSmoothScrollbarEnabled(smoothScrollbar); 7404e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 741f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setChoiceMode(a.getInt(R.styleable.AbsListView_choiceMode, CHOICE_MODE_NONE)); 74220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell setFastScrollAlwaysVisible( 74320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell a.getBoolean(R.styleable.AbsListView_fastScrollAlwaysVisible, false)); 744f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 748d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void initAbsListView() { 749d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Setting focusable in touch mode will set the focusable property to true 750df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy setClickable(true); 751d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setFocusableInTouchMode(true); 752d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setWillNotDraw(false); 753d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setAlwaysDrawnWithCacheEnabled(false); 754d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setScrollingCacheEnabled(true); 755d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 7564296fc4d326447875c26a925f12b3935632f13bbRomain Guy final ViewConfiguration configuration = ViewConfiguration.get(mContext); 7574296fc4d326447875c26a925f12b3935632f13bbRomain Guy mTouchSlop = configuration.getScaledTouchSlop(); 7584296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMinimumVelocity = configuration.getScaledMinimumFlingVelocity(); 7594296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 760637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollDistance = configuration.getScaledOverscrollDistance(); 761637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverflingDistance = configuration.getScaledOverflingDistance(); 762637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 763d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mDensityScale = getContext().getResources().getDisplayMetrics().density; 764d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 7650a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 766637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 767637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell public void setOverScrollMode(int mode) { 768637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mode != OVER_SCROLL_NEVER) { 769637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop == null) { 7704e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira Context context = getContext(); 7714e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira final Resources res = context.getResources(); 772637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final Drawable edge = res.getDrawable(R.drawable.overscroll_edge); 773637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final Drawable glow = res.getDrawable(R.drawable.overscroll_glow); 7744e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mEdgeGlowTop = new EdgeGlow(context, edge, glow); 7754e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mEdgeGlowBottom = new EdgeGlow(context, edge, glow); 776637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 777637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 778637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop = null; 779637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom = null; 780637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 781637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell super.setOverScrollMode(mode); 782637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 783637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 784d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 785f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@inheritDoc} 786f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 787f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 788f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setAdapter(ListAdapter adapter) { 789f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (adapter != null) { 790f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapter.hasStableIds() && 791f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates == null) { 792f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = new LongSparseArray<Boolean>(); 793f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 794f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 795f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 796f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 797f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 798f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 799f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 800f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 801f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 802f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 803f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 804f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 805f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 806f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the number of items currently selected. This will only be valid 807f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the choice mode is not {@link #CHOICE_MODE_NONE} (default). 808f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 809f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * <p>To determine the specific items that are currently selected, use one of 810f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the <code>getChecked*</code> methods. 811f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 812f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The number of items currently selected 813f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 814f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPosition() 815f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPositions() 816f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemIds() 817f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 818f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemCount() { 819f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckedItemCount; 820f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 821f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 822f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 823f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the checked state of the specified position. The result is only 824f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * valid if the choice mode has been set to {@link #CHOICE_MODE_SINGLE} 825f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or {@link #CHOICE_MODE_MULTIPLE}. 826f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 827f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state to return 828f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The item's checked state or <code>false</code> if choice mode 829f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * is invalid 830f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 831f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 832f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 833f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean isItemChecked(int position) { 834f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) { 835f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.get(position); 836f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 837f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 838f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 839f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 840f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 841f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 842f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the currently checked item. The result is only valid if the choice 843f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * mode has been set to {@link #CHOICE_MODE_SINGLE}. 844f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 845f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The position of the currently checked item or 846f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #INVALID_POSITION} if nothing is selected 847f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 848f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 849f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 850f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemPosition() { 851f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_SINGLE && mCheckStates != null && mCheckStates.size() == 1) { 852f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.keyAt(0); 853f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 854f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 855f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return INVALID_POSITION; 856f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 857f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 858f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 859f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items in the list. The result is only valid if 860f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has not been set to {@link #CHOICE_MODE_NONE}. 861f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 862f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A SparseBooleanArray which will return true for each call to 863f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * get(int position) where position is a position in the list, 864f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or <code>null</code> if the choice mode is set to 865f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_NONE}. 866f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 867f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public SparseBooleanArray getCheckedItemPositions() { 868f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 869f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates; 870f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 871f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return null; 872f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 873f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 874f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 875f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items ids. The result is only valid if the 876f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * choice mode has not been set to {@link #CHOICE_MODE_NONE} and the adapter 877f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * has stable IDs. ({@link ListAdapter#hasStableIds()} == {@code true}) 878f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 879f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A new array which contains the id of each checked item in the 880f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * list. 881f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 882f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public long[] getCheckedItemIds() { 883f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE || mCheckedIdStates == null || mAdapter == null) { 884f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return new long[0]; 885f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 886f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 887f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final LongSparseArray<Boolean> idStates = mCheckedIdStates; 888f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final int count = idStates.size(); 889f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long[] ids = new long[count]; 890f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 891f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell for (int i = 0; i < count; i++) { 892f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ids[i] = idStates.keyAt(i); 893f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 894f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 895f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return ids; 896f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 897f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 898f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 899f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Clear any choices previously set 900f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 901f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void clearChoices() { 902f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 903f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 904f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 905f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 906f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 907f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 908f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 909f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 910f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 911f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 912f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Sets the checked state of the specified position. The is only valid if 913f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has been set to {@link #CHOICE_MODE_SINGLE} or 914f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}. 915f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 916f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state is to be checked 917f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param value The new checked state for the item 918f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 919f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setItemChecked(int position, boolean value) { 920f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE) { 921f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return; 922f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 923f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 924f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Start selection mode if needed. We don't need to if we're unchecking something. 925f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) { 926f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 927f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 928f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 929f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 930f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean oldValue = mCheckStates.get(position); 931f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, value); 932f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 933f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 934f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 935f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 936f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 937f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 938f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 939f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (oldValue != value) { 940f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 941f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 942f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 943f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 944f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 945f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 946f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 947f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long id = mAdapter.getItemId(position); 948f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 949f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, value); 950f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 951f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 952f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean updateIds = mCheckedIdStates != null && mAdapter.hasStableIds(); 953f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Clear all values if we're checking something, or unchecking the currently 954f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selected item 955f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value || isItemChecked(position)) { 956f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 957f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 958f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 959f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 960f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 961f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // this may end up selecting the value we just cleared but this way 962f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // we ensure length of mCheckStates is 1, a fact getCheckedItemPosition relies on 963f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 964f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 965f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 966f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 967f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 968f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 969f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 970f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 971f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 972f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 973f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 974f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Do not generate a data change while we are in the layout phase 975f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (!mInLayout && !mBlockLayoutRequests) { 976f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 977f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 978f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 979f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 980f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 981f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 982f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 983f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean performItemClick(View view, int position, long id) { 984f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 985bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell boolean dispatchItemClick = true; 986f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 987f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 988f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell handled = true; 989f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 990f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || 991f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null)) { 992f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean newValue = !mCheckStates.get(position, false); 993f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, newValue); 994f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 995f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 996f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 997f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 998f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 999f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1000f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1001f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 1002f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 1003f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 1004f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 1005f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1006f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1007f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 1008f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, newValue); 1009bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell dispatchItemClick = false; 1010f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1011f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mChoiceMode == CHOICE_MODE_SINGLE) { 1012f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean newValue = !mCheckStates.get(position, false); 1013f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 1014f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 1015f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 1016f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 1017f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 1018f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 1019f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1020f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 1021f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 1022f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 1023f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1024f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1025f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1026f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 1027f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 1028f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 1029f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1030f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1031bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell if (dispatchItemClick) { 1032bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell handled |= super.performItemClick(view, position, id); 1033bf5f2b3ffebcf4201f228b73137f32486638775fAdam Powell } 1034f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1035f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return handled; 1036f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1037f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1038f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1039f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1040f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1041f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The current choice mode 1042f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1043f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getChoiceMode() { 1044f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mChoiceMode; 1045f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1046f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1047f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1048f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Defines the choice behavior for the List. By default, Lists do not have any choice behavior 1049f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * ({@link #CHOICE_MODE_NONE}). By setting the choiceMode to {@link #CHOICE_MODE_SINGLE}, the 1050f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * List allows up to one item to be in a chosen state. By setting the choiceMode to 1051f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}, the list allows any number of items to be chosen. 1052f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1053f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param choiceMode One of {@link #CHOICE_MODE_NONE}, {@link #CHOICE_MODE_SINGLE}, or 1054f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE} 1055f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1056f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setChoiceMode(int choiceMode) { 1057f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceMode = choiceMode; 1058f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 1059f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode.finish(); 1060f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 1061f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1062f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 1063f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates == null) { 1064f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = new SparseBooleanArray(); 1065f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1066f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates == null && mAdapter != null && mAdapter.hasStableIds()) { 1067f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = new LongSparseArray<Boolean>(); 1068f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1069f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Modal multi-choice mode only has choices when the mode is active. Clear them. 1070f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 1071f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 1072f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 1073f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1074f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1075f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1076f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1077f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1078f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Set a {@link MultiChoiceModeListener} that will manage the lifecycle of the 1079f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selection {@link ActionMode}. Only used when the choice mode is set to 1080f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE_MODAL}. 1081f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1082f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param listener Listener that will manage the selection mode 1083f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 1084f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 1085f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 1086f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setMultiChoiceModeListener(MultiChoiceModeListener listener) { 1087f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mMultiChoiceModeCallback == null) { 1088f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback = new MultiChoiceModeWrapper(); 1089f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1090f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.setWrapped(listener); 1091f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1092f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1093f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 1094637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return true if all list content currently fits within the view boundaries 1095637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 1096637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private boolean contentFits() { 1097637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 1098637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (childCount != mItemCount) { 1099637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return false; 1100637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 1101637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1102637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return getChildAt(0).getTop() >= 0 && getChildAt(childCount - 1).getBottom() <= mBottom; 1103637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 1104637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1105637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 11060a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Enables fast scrolling by letting the user quickly scroll through lists by 11070a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * dragging the fast scroll thumb. The adapter attached to the list may want 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to implement {@link SectionIndexer} if it wishes to display alphabet preview and 11090a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * jump between sections of the list. 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SectionIndexer 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isFastScrollEnabled() 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled whether or not to enable fast scrolling 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFastScrollEnabled(boolean enabled) { 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScrollEnabled = enabled; 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabled) { 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller == null) { 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller = new FastScroller(getContext(), this); 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.stop(); 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller = null; 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11270a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 112920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * Set whether or not the fast scroller should always be shown in place of the 113020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * standard scrollbars. Fast scrollers shown in this way will not fade out and will 113120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * be a permanent fixture within the list. Best combined with an inset scroll bar style 113220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * that will ensure enough padding. This will enable fast scrolling if it is not 113320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * already enabled. 113420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 113520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @param alwaysShow true if the fast scroller should always be displayed. 113620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setScrollBarStyle(int) 113720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollEnabled(boolean) 113820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 113920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public void setFastScrollAlwaysVisible(boolean alwaysShow) { 114020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (alwaysShow && !mFastScrollEnabled) { 114120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell setFastScrollEnabled(true); 114220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 114320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 114420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (mFastScroller != null) { 114520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell mFastScroller.setAlwaysShow(alwaysShow); 114620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 114720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 114820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell computeOpaqueFlags(); 114920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell recomputePadding(); 115020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 115120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 115220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 115320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * Returns true if the fast scroller is set to always show on this view rather than 115420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * fade out when not in use. 115520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * 115620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @return true if the fast scroller will always show. 115720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell * @see #setFastScrollAlwaysVisible(boolean) 115820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell */ 115920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public boolean isFastScrollAlwaysVisible() { 116020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return mFastScrollEnabled && mFastScroller.isAlwaysShowEnabled(); 116120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 116220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 116320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 116420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public int getVerticalScrollbarWidth() { 116516bb80af66012cee1625dd4e926c1fbdf87b8670Adam Powell if (isFastScrollAlwaysVisible()) { 116620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return Math.max(super.getVerticalScrollbarWidth(), mFastScroller.getWidth()); 116720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 116820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return super.getVerticalScrollbarWidth(); 116920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 117020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 117120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell /** 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setFastScrollEnabled(boolean) 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if fast scroll is enabled, false otherwise 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isFastScrollEnabled() { 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScrollEnabled; 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11800a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 118120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 118220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell public void setVerticalScrollbarPosition(int position) { 118320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell super.setVerticalScrollbarPosition(position); 118420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell if (mFastScroller != null) { 118520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell mFastScroller.setScrollbarPosition(position); 118620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 118720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 118820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If fast scroll is visible, then don't draw the vertical scrollbar. 11910a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @hide 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isVerticalScrollBarHidden() { 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScroller != null && mFastScroller.isVisible(); 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is enabled, the position and size of the scrollbar thumb 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is computed based on the number of visible pixels in the visible items. This 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * however assumes that all list items have the same height. If you use a list in 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which items have different heights, the scrollbar will change appearance as the 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user scrolls through the list. To avoid this issue, you need to disable this 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * property. 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is disabled, the position and size of the scrollbar thumb 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is based solely on the number of items in the adapter and the position of the 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visible items inside the adapter. This provides a stable scrollbar as the user 12090a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * navigates through a list of items with varying heights. 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Whether or not to enable smooth scrollbar. 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12130a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @see #setSmoothScrollbarEnabled(boolean) 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSmoothScrollbarEnabled(boolean enabled) { 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSmoothScrollbarEnabled = enabled; 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if smooth scrollbar is enabled is enabled, false otherwise. 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSmoothScrollbarEnabled(boolean) 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSmoothScrollbarEnabled() { 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSmoothScrollbarEnabled; 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the listener that will receive notifications every time the list scrolls. 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the scroll listener 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnScrollListener(OnScrollListener l) { 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener = l; 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notify our scroll listener (if there is one) of a change in scroll state 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void invokeOnItemScrollListener() { 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a scroll. 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will consume more memory. 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the scrolling cache is enabled, false otherwise 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setScrollingCacheEnabled(boolean) 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isScrollingCacheEnabled() { 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScrollingCacheEnabled; 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a scroll. 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will use more memory. 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the scrolling cache is enabled, the caches are kept after the 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first scrolling. You can manually clear the cache by calling 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup#setChildrenDrawingCacheEnabled(boolean)}. 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the scroll cache, false otherwise 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isScrollingCacheEnabled() 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollingCacheEnabled(boolean enabled) { 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !enabled) { 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollingCacheEnabled = enabled; 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the type filter window. If enabled, typing when 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view has focus will filter the children to match the users input. 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that the {@link Adapter} used by this view must implement the 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Filterable} interface. 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param textFilterEnabled true to enable type filtering, false otherwise 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTextFilterEnabled(boolean textFilterEnabled) { 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilterEnabled = textFilterEnabled; 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether type filtering is enabled for this view 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if type filtering is enabled, false otherwise 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled(boolean) 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isTextFilterEnabled() { 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilterEnabled; 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getFocusedRect(Rect r) { 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getSelectedView(); 13186bdbfcfa77177eb7c8905123f44f2fa5aa0f17b1Romain Guy if (view != null && view.getParent() == this) { 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused rectangle of the selected view offset into the 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // coordinate space of this view. 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getFocusedRect(r); 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetDescendantRectToMyCoords(view, r); 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // otherwise, just the norm 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.getFocusedRect(r); 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void useDefaultSelector() { 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable( 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.drawable.list_selector_background)); 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the content of this view is pinned to, or stacked from, 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom edge. 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the content is stacked from the bottom edge, false otherwise 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStackFromBottom() { 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStackFromBottom; 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When stack from bottom is set to true, the list fills its content starting from 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom of the view. 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stackFromBottom true to pin the view's content to the bottom edge, 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to pin the view's content to the top edge 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setStackFromBottom(boolean stackFromBottom) { 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStackFromBottom != stackFromBottom) { 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStackFromBottom = stackFromBottom; 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayoutIfNecessary(); 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestLayoutIfNecessary() { 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resetList(); 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static class SavedState extends BaseSavedState { 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId; 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long firstId; 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewTop; 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position; 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height; 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String filter; 1374a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell boolean inActionMode; 13752614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell int checkedItemCount; 1376f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray checkState; 1377f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell LongSparseArray<Boolean> checkIdState; 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link AbsListView#onSaveInstanceState()} 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState(Parcelable superState) { 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link #CREATOR} 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SavedState(Parcel in) { 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(in); 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedId = in.readLong(); 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstId = in.readLong(); 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project viewTop = in.readInt(); 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = in.readInt(); 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = in.readInt(); 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter = in.readString(); 1397a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell inActionMode = in.readByte() != 0; 13982614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell checkedItemCount = in.readInt(); 1399f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkState = in.readSparseBooleanArray(); 1400f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell long[] idState = in.createLongArray(); 1401f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1402f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (idState.length > 0) { 1403f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkIdState = new LongSparseArray<Boolean>(); 1404f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkIdState.setValues(idState, Boolean.TRUE); 1405f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.writeToParcel(out, flags); 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(selectedId); 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(firstId); 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(viewTop); 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(position); 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(height); 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeString(filter); 1417a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell out.writeByte((byte) (inActionMode ? 1 : 0)); 14182614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell out.writeInt(checkedItemCount); 1419f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeSparseBooleanArray(checkState); 1420f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeLongArray(checkIdState != null ? checkIdState.getKeys() : new long[0]); 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "AbsListView.SavedState{" 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + Integer.toHexString(System.identityHashCode(this)) 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " selectedId=" + selectedId 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " firstId=" + firstId 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " viewTop=" + viewTop 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " position=" + position 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " height=" + height 1432f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " filter=" + filter 1433f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " checkState=" + checkState + "}"; 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<SavedState>() { 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState createFromParcel(Parcel in) { 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState(in); 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState[] newArray(int size) { 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState[size]; 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parcelable onSaveInstanceState() { 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This doesn't really make sense as the place to dismiss the 1452f993ad5b89a8aa47fcbc7494811f45bb74cb8713Romain Guy * popups, but there don't seem to be any other useful hooks 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that happen early enough to keep from getting complaints 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about having leaked the window. 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable superState = super.onSaveInstanceState(); 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = new SavedState(superState); 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 146299441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn boolean haveChildren = getChildCount() > 0 && mItemCount > 0; 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId = getSelectedItemId(); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.selectedId = selectedId; 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.height = getHeight(); 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedId >= 0) { 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the selection 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = mSelectedTop; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = getSelectedItemPosition(); 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14737becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn if (haveChildren && mFirstPosition > 0) { 14747becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // Remember the position of the first child. 14757becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // We only do this if we are not currently at the top of 14767becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // the list, for two reasons: 14777becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (1) The list may be in the process of becoming empty, in 14787becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // which case mItemCount may not be 0, but if we try to 14797becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // ask for any information about position 0 we will crash. 14807becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // (2) Being "at the top" seems like a special case, anyway, 14817becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // and the user wouldn't expect to end up somewhere else when 14827becaeea7b220ab6fbe93e35461c7734032e7af4Dianne Hackborn // they revisit the list even if its content has changed. 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(0); 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = v.getTop(); 148599441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn int firstPos = mFirstPosition; 148699441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn if (firstPos >= mItemCount) { 148799441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn firstPos = mItemCount - 1; 148899441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn } 148999441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.position = firstPos; 149099441c45e48abd118bd38da6f0844750a710cd33Dianne Hackborn ss.firstId = mAdapter.getItemId(firstPos); 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = 0; 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = 0; 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = null; 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final EditText textFilter = mTextFilter; 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textFilter != null) { 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Editable filterText = textFilter.getText(); 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filterText != null) { 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = filterText.toString(); 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell ss.inActionMode = mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null; 1510a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 1511f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ss.checkState = mCheckStates; 1512f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ss.checkIdState = mCheckedIdStates; 15132614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell ss.checkedItemCount = mCheckedItemCount; 1514f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ss; 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onRestoreInstanceState(Parcelable state) { 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = (SavedState) state; 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(ss.getSuperState()); 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncHeight = ss.height; 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ss.selectedId >= 0) { 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.selectedId; 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_SELECTED_POSITION; 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ss.firstId >= 0) { 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do this before setting mNeedSync since setNextSelectedPosition looks at mNeedSync 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 1537079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.firstId; 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_FIRST_POSITION; 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFilterText(ss.filter); 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1547f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkState != null) { 1548f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = ss.checkState; 1549f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1550f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1551f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkIdState != null) { 1552f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = ss.checkIdState; 1553f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1554f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 15552614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell mCheckedItemCount = ss.checkedItemCount; 15562614c6c1f9fb19af21b901c16c443335bbc9d50bAdam Powell 1557a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell if (ss.inActionMode && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && 1558a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mMultiChoiceModeCallback != null) { 1559a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 1560a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell } 1561a0eeeac82010e03ce8949bf7efed909afdbaf41cAdam Powell 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean acceptFilter() { 1566d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy return mTextFilterEnabled && getAdapter() instanceof Filterable && 1567d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy ((Filterable) getAdapter()).getFilter() != null; 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the initial value for the text filter. 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filterText The text to use for the filter. 15730a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilterText(String filterText) { 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: Should we check for acceptFilter()? 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && !TextUtils.isEmpty(filterText)) { 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(false); 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is going to call our listener onTextChanged, but we might not 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be ready to bring up a window yet 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(filterText); 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setSelection(filterText.length()); 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if mPopup is non-null, then onTextChanged will do the filtering 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(filterText); 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set filtered to true so we will display the filter window when our main 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window is ready 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObserver.clearSavedState(); 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15990a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Returns the list's text filter, if available. 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the list's text filter or null if filtering isn't enabled 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTextFilter() { 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && mTextFilter != null) { 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilter.getText(); 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16080a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gainFocus && mSelectedPosition < 0 && !isInTouchMode()) { 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestLayout() { 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBlockLayoutRequests && !mInLayout) { 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.requestLayout(); 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list is empty. Clear everything out. 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void resetList() { 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstPosition = 0; 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = false; 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedPosition = INVALID_POSITION; 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedRowId = INVALID_ROW_ID; 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 1637079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorShowing = false; 1638079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.setEmpty(); 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollExtent() { 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extent = count * 100; 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getChildAt(0); 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent += (top * 100) / height; 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = getChildAt(count - 1); 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = view.getBottom(); 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = view.getHeight(); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent -= ((bottom - getHeight()) * 100) / height; 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extent; 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollOffset() { 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition >= 0 && childCount > 0) { 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(0); 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 16820b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return Math.max(firstPosition * 100 - (top * 100) / height + 16830b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell (int)((float)mScrollY / getHeight() * mItemCount * 100), 0); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mItemCount; 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition == 0) { 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (firstPosition + childCount == count) { 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count; 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = firstPosition + childCount / 2; 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) (firstPosition + childCount * (index / (float) count)); 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollRange() { 17030b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell int result; 17040b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (mSmoothScrollbarEnabled) { 17050b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = Math.max(mItemCount * 100, 0); 1706637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 1707637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Compensate for overscroll 1708637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell result += Math.abs((int) ((float) mScrollY / getHeight() * mItemCount * 100)); 1709637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 17100b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } else { 17110b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = mItemCount; 17120b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 17130b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return result; 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getTopFadingEdgeStrength() { 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getTopFadingEdgeStrength(); 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition > 0) { 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = getChildAt(0).getTop(); 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeLength = (float) getVerticalFadingEdgeLength(); 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return top < mPaddingTop ? (float) -(top - mPaddingTop) / fadeLength : fadeEdge; 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getBottomFadingEdgeStrength() { 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getBottomFadingEdgeStrength(); 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition + count - 1 < mItemCount - 1) { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = getChildAt(count - 1).getBottom(); 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight(); 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeLength = (float) getVerticalFadingEdgeLength(); 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bottom > height - mPaddingBottom ? 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float) (bottom - height + mPaddingBottom) / fadeLength : fadeEdge; 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector == null) { 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useDefaultSelector(); 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.left = mSelectionLeftPadding + mPaddingLeft; 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.top = mSelectionTopPadding + mPaddingTop; 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.right = mSelectionRightPadding + mPaddingRight; 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.bottom = mSelectionBottomPadding + mPaddingBottom; 1762da13dbae6fe0619101433ac861da460b8be63a36Adam Powell 1763da13dbae6fe0619101433ac861da460b8be63a36Adam Powell // Check if our previous measured size was at a point where we should scroll later. 1764da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 1765da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int childCount = getChildCount(); 1766da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int listBottom = getBottom() - getPaddingBottom(); 1767da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final View lastChild = getChildAt(childCount - 1); 1768da13dbae6fe0619101433ac861da460b8be63a36Adam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 1769da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mForceTranscriptScroll = mFirstPosition + childCount >= mOldItemCount && 1770da13dbae6fe0619101433ac861da460b8be63a36Adam Powell lastBottom <= listBottom; 1771da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1774d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 1775d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses should NOT override this method but 1776d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * {@link #layoutChildren()} instead. 1777d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onLayout(boolean changed, int l, int t, int r, int b) { 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onLayout(changed, l, t, r, b); 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = true; 1782f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (changed) { 1783f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell int childCount = getChildCount(); 1784f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < childCount; i++) { 1785f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell getChildAt(i).forceLayout(); 1786f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 1787f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell mRecycler.markChildrenDirty(); 1788f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 17892c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell 17902c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell if (mFastScroller != null && mItemCount != mOldItemCount) { 17912c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell mFastScroller.onItemCountChanged(mOldItemCount, mItemCount); 17922c6196aa557e4eaf09d1ec3ad1347742f7f9f7b5Adam Powell } 1793f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = false; 1796637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 1797637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mOverscrollMax = (b - t) / OVERSCROLL_LIMIT_DIVISOR; 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int left, int top, int right, int bottom) { 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean changed = super.setFrame(left, top, right, bottom); 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1807d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (changed) { 1808d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Reposition the popup when the frame has changed. This includes 1809d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // translating the widget, not just changing its dimension. The 1810d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // filter popup needs to follow the widget. 1811d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy final boolean visible = getWindowVisibility() == View.VISIBLE; 1812d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mFiltered && visible && mPopup != null && mPopup.isShowing()) { 1813d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy positionPopup(); 1814d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1820d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 1821d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses must override this method to layout their children. 1822d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void layoutChildren() { 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void updateScrollIndicators() { 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollUp != null) { 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollUp; 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0th element is not visible 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = mFirstPosition > 0; 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or top of 0th element is not visible 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollUp) { 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(0); 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = child.getTop() < mListPadding.top; 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp.setVisibility(canScrollUp ? View.VISIBLE : View.INVISIBLE); 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollDown != null) { 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollDown; 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = getChildCount(); 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Last item is not visible 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = (mFirstPosition + count) < mItemCount; 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or bottom of the last element is not visible 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollDown && count > 0) { 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(count - 1); 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = child.getBottom() > mBottom - mListPadding.bottom; 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown.setVisibility(canScrollDown ? View.VISIBLE : View.INVISIBLE); 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getSelectedView() { 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mItemCount > 0 && mSelectedPosition >= 0) { 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildAt(mSelectedPosition - mFirstPosition); 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingTop() 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The top list padding. 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingTop() { 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.top; 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingBottom() 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The bottom list padding. 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingBottom() { 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.bottom; 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingLeft() 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The left list padding. 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingLeft() { 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.left; 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingRight() 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The right list padding. 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingRight() { 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.right; 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a view and have it show the data associated with the specified 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * position. This is called when we have already discovered that the view is 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not available for reuse in the recycle bin. The only choices left are 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * converting an old view or making a new one. 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to display 192521875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * @param isScrap Array of at least 1 boolean, the first entry will become true if 192621875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * the returned view was taken from the scrap heap, false if otherwise. 19274e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view displaying the data associated with the specified position 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 193021875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy View obtainView(int position, boolean[] isScrap) { 193121875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy isScrap[0] = false; 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View scrapView; 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapView = mRecycler.getScrapView(position); 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child; 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scrapView != null) { 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(scrapView, ViewDebug.RecyclerTraceType.RECYCLE_FROM_SCRAP_HEAP, 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, -1); 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, scrapView, this); 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(child, ViewDebug.RecyclerTraceType.BIND_VIEW, 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, getChildCount()); 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != scrapView) { 1951079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(scrapView, position); 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(scrapView, ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, -1); 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 195921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy } else { 1960a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy isScrap[0] = true; 1961a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy child.dispatchFinishTemporaryDetach(); 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, null, this); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(child, ViewDebug.RecyclerTraceType.NEW_VIEW, 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, getChildCount()); 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return child; 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1977079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void positionSelector(int position, View sel) { 1978079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (position != INVALID_POSITION) { 1979079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = position; 1980079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1981079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect selectorRect = mSelectorRect; 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.set(sel.getLeft(), sel.getTop(), sel.getRight(), sel.getBottom()); 1984e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (sel instanceof SelectionBoundsAdjuster) { 1985e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn ((SelectionBoundsAdjuster)sel).adjustListItemSelectionBounds(selectorRect); 1986e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(selectorRect.left, selectorRect.top, selectorRect.right, 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.bottom); 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean isChildViewEnabled = mIsChildViewEnabled; 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sel.isEnabled() != isChildViewEnabled) { 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsChildViewEnabled = !isChildViewEnabled; 1993079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mSelectorShowing) { 1994079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn refreshDrawableState(); 1995079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void positionSelector(int l, int t, int r, int b) { 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.set(l - mSelectionLeftPadding, t - mSelectionTopPadding, r 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mSelectionRightPadding, b + mSelectionBottomPadding); 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~CLIP_TO_PADDING_MASK; 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawSelectorOnTop = mDrawSelectorOnTop; 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!drawSelectorOnTop) { 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDraw(canvas); 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (drawSelectorOnTop) { 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= CLIP_TO_PADDING_MASK; 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 203620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected boolean isPaddingOffsetRequired() { 203720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) != CLIP_TO_PADDING_MASK; 203820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 203920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 204020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 204120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getLeftPaddingOffset() { 204220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingLeft; 204320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 204420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 204520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 204620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getTopPaddingOffset() { 204720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : -mPaddingTop; 204820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 204920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 205020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 205120232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getRightPaddingOffset() { 205220232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingRight; 205320232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 205420232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 205520232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 205620232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell protected int getBottomPaddingOffset() { 205720232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell return (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK ? 0 : mPaddingBottom; 205820232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell } 205920232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell 206020232d0f7ce2220df72dd78bed052f6b4a643f10Adam Powell @Override 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSizeChanged(int w, int h, int oldw, int oldh) { 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2066d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onSizeChanged(w, h, oldw, oldh); 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the current touch mode requires that we draw the selector in the pressed 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean touchModeDrawsInPressedState() { 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME use isPressed for this 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this view is in a state where the selector should be drawn. This will 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen if we have focus but are not in touch mode, or we are in the middle of displaying 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pressed state for an item. 20919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the selector should be shown 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean shouldShowSelector() { 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (hasFocus() && !isInTouchMode()) || touchModeDrawsInPressedState(); 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void drawSelector(Canvas canvas) { 2099079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (!mSelectorRect.isEmpty()) { 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable selector = mSelector; 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.setBounds(mSelectorRect); 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.draw(canvas); 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls whether the selection highlight drawable should be drawn on top of the item or 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * behind it. 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onTop If true, the selector will be drawn on the item it is highlighting. The default 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is false. 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawSelectorOnTop(boolean onTop) { 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = onTop; 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a Drawable that should be used to highlight the currently selected item. 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resID A Drawable resource to use as the selection highlight. 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(int resID) { 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable(resID)); 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(Drawable sel) { 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector.setCallback(null); 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mSelector); 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector = sel; 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect padding = new Rect(); 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.getPadding(padding); 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionLeftPadding = padding.left; 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionTopPadding = padding.top; 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionRightPadding = padding.right; 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionBottomPadding = padding.bottom; 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.setCallback(this); 2143079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the selector {@link android.graphics.drawable.Drawable} that is used to draw the 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * selection in the list. 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the drawable used to display the selector 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getSelector() { 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector; 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the selector state to "pressed" and posts a CheckForKeyLongPress to see if 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is a long press. 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void keyPressed() { 2161df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (!isEnabled() || !isClickable()) { 2162df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return; 2163df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2164df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable selector = mSelector; 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect selectorRect = mSelectorRect; 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selector != null && (isFocused() || touchModeDrawsInPressedState()) 2168079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn && !selectorRect.isEmpty()) { 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(mSelectedPosition - mFirstPosition); 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2172ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v != null) { 2173ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v.hasFocusable()) return; 2174ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project v.setPressed(true); 2175ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = selector.getCurrent(); 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 2182df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ((TransitionDrawable) d).startTransition( 2183df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ViewConfiguration.getLongPressTimeout()); 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable && !mDataChanged) { 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForKeyLongPress == null) { 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress = new CheckForKeyLongPress(); 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress.rememberWindowAttachCount(); 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForKeyLongPress, ViewConfiguration.getLongPressTimeout()); 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollIndicators(View up, View down) { 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp = up; 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown = down; 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2203079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void updateSelectorState() { 2204079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mSelector != null) { 2205079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (shouldShowSelector()) { 2206079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(getDrawableState()); 2207079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 2208079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelector.setState(StateSet.NOTHING); 2209079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2210079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2211079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2212079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 2216079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child view is enabled then do the default behavior. 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsChildViewEnabled) { 22239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Common case 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The selector uses this View's drawable state. The selected child view 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is disabled, so we need to remove the enabled state from the drawable 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // states. 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int enabledState = ENABLED_STATE_SET[0]; 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we don't have any extra space, it will return one of the static state arrays, 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and clearing the enabled state on those arrays is a bad thing! If we specify 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we need extra space, it will create+copy into a new array that safely mutable. 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + 1); 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int enabledPos = -1; 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = state.length - 1; i >= 0; i--) { 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state[i] == enabledState) { 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enabledPos = i; 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the enabled state 22459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabledPos >= 0) { 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(state, enabledPos + 1, state, enabledPos, 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.length - enabledPos - 1); 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22490a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean verifyDrawable(Drawable dr) { 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector == dr || super.verifyDrawable(dr); 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2259e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn public void jumpDrawablesToCurrentState() { 2260e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn super.jumpDrawablesToCurrentState(); 2261e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn if (mSelector != null) mSelector.jumpToCurrentState(); 2262e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn } 2263e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn 2264e213677037f836529efcc0ac201fc61dd95481c5Dianne Hackborn @Override 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.addOnTouchModeChangeListener(this); 2271d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mTextFilterEnabled && mPopup != null && !mGlobalLayoutListenerAddedFilter) { 2272d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy treeObserver.addOnGlobalLayoutListener(this); 2273d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22754e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 227682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null && mDataSetObserver == null) { 227782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = new AdapterDataSetObserver(); 227882afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.registerDataSetObserver(mDataSetObserver); 22796a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell 22806a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell // Data may have changed while we were detached. Refresh. 22816a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mDataChanged = true; 22826a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mOldItemCount = mItemCount; 22836a0d09944b550b15dce6ead35917e80205cbf09bAdam Powell mItemCount = mAdapter.getCount(); 228482afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22911f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy // Dismiss the popup in case onSaveInstanceState() was not invoked 22921f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy dismissPopup(); 22931f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy 229421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy // Detach any view left in the scrap heap 229521875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy mRecycler.clear(); 229621875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 22999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.removeOnTouchModeChangeListener(this); 2300d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mTextFilterEnabled && mPopup != null) { 2301d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy treeObserver.removeGlobalOnLayoutListener(this); 2302d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = false; 2303d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 230582afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy 230682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null) { 230782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.unregisterDataSetObserver(mDataSetObserver); 230882afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = null; 230982afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 23101cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 23111cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan != null) { 23121cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan.finish(); 23131cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = null; 23141cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 23151cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 23161cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan != null) { 23171cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan.finish(); 23181cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = null; 23191cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 2320d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2321d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mFlingRunnable != null) { 2322d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mFlingRunnable); 2323d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2324d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2325d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPositionScroller != null) { 23264032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 2327d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2328d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2329d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mClearScrollingCache != null) { 2330d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mClearScrollingCache); 2331d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2332d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2333d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mPerformClick != null) { 2334d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mPerformClick); 2335d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 2336d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn 2337d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mTouchModeReset != null) { 2338d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mTouchModeReset); 2339d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn mTouchModeReset = null; 2340d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 23419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 23449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onWindowFocusChanged(boolean hasWindowFocus) { 23459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onWindowFocusChanged(hasWindowFocus); 23469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int touchMode = isInTouchMode() ? TOUCH_MODE_ON : TOUCH_MODE_OFF; 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!hasWindowFocus) { 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 2351670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner if (mFlingRunnable != null) { 2352670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner removeCallbacks(mFlingRunnable); 2353670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // let the fling runnable report it's new state which 2354670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // should be idle 2355670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner mFlingRunnable.endFling(); 23564032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 23574032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 23584032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2359458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mScrollY != 0) { 2360458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollY = 0; 2361637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 2362458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 2363458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2364670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner } 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Always hide the type filter 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the last selected element 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mSelectedPosition; 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 237397566043afdb714fd4eea6bb22898964e95f16bcAdam Powell if (mFiltered && !mPopupHidden) { 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the type filter only if a filter is in effect 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we changed touch mode since the last time we had focus 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode != mLastTouchMode && mLastTouchMode != TOUCH_MODE_UNKNOWN) { 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in trackball mode, we bring the selection back 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This will trigger a layout 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 23849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in touch mode, then we want to hide the selector 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastTouchMode = touchMode; 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the ContextMenuInfo returned from {@link #getContextMenuInfo()}. This 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods knows the view, position and ID of the item that received the 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * long press. 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view that received the long press. 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position of the item that received the long press. 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param id The ID of the item that received the long press. 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The extra information that should be returned by 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getContextMenuInfo()}. 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContextMenuInfo createContextMenuInfo(View view, int position, long id) { 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AdapterContextMenuInfo(view, position, id); 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for Runnables that will check that their view is still attached to 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original window as when the Runnable was created. 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class WindowRunnnable { 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOriginalAttachCount; 24190a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rememberWindowAttachCount() { 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOriginalAttachCount = getWindowAttachCount(); 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24230a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean sameWindow() { 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return hasWindowFocus() && getWindowAttachCount() == mOriginalAttachCount; 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24280a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class PerformClick extends WindowRunnnable implements Runnable { 24309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mClickMotionPosition; 24319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 24339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The data has changed since we posted this action in the event queue, 24349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bail out before bad things happen 24359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataChanged) return; 24369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2437005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final ListAdapter adapter = mAdapter; 2438005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final int motionPosition = mClickMotionPosition; 2439005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (adapter != null && mItemCount > 0 && 2440005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition != INVALID_POSITION && 2441005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition < adapter.getCount() && sameWindow()) { 2442d0b8365fcbe891b0bb3b54d345337f60c292d09eRomain Guy performItemClick(getChildAt(motionPosition - mFirstPosition), motionPosition, 2443d0b8365fcbe891b0bb3b54d345337f60c292d09eRomain Guy adapter.getItemId(motionPosition)); 24449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForLongPress extends WindowRunnnable implements Runnable { 24499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 24509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 24519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 24529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 24539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = mMotionPosition; 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(mMotionPosition); 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 24570a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy if (sameWindow() && !mDataChanged) { 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(child, longPressPosition, longPressId); 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24700a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForKeyLongPress extends WindowRunnnable implements Runnable { 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPressed() && mSelectedPosition >= 0) { 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = mSelectedPosition - mFirstPosition; 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(index); 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sameWindow()) { 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(v, mSelectedPosition, mSelectedRowId); 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setPressed(false); 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) v.setPressed(false); 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24948350f7dbc3a62211b2891f35911e4073d24c4cc5Adam Powell boolean performLongPress(final View child, 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition, final long longPressId) { 2496f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // CHOICE_MODE_MULTIPLE_MODAL takes over long press. 2497f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 2498f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode == null) { 2499f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 2500f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setItemChecked(longPressPosition, true); 2501f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 2502f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // TODO Should we select the long pressed item if we were already in 2503f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selection mode? (i.e. treat it like an item click?) 2504f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 2505f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 2506f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 25079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2508f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 25099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 25109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, child, 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 25129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 25149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo(child, longPressPosition, longPressId); 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(AbsListView.this); 25169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ContextMenuInfo getContextMenuInfo() { 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContextMenuInfo; 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = getPositionForView(originalView); 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longPressPosition >= 0) { 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(longPressPosition); 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, originalView, 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo( 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChildAt(longPressPosition - mFirstPosition), 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(originalView); 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2552df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy public boolean onKeyDown(int keyCode, KeyEvent event) { 2553df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return false; 2554df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2555df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 2556df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy @Override 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(int keyCode, KeyEvent event) { 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 2561dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2562dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return true; 2563dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2564df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (isClickable() && isPressed() && 2565dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy mSelectedPosition >= 0 && mAdapter != null && 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition < mAdapter.getCount()) { 2567dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(mSelectedPosition - mFirstPosition); 256945b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy if (view != null) { 257045b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy performItemClick(view, mSelectedPosition, mSelectedRowId); 257145b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy view.setPressed(false); 257245b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy } 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2576dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy break; 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyUp(keyCode, event); 25799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch setPressed to our children. We call setPressed on ourselves to 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the selector in the right state, but we don't want to press each child. 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a position in the list. 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The position of the item which contains the specified point, or 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #INVALID_POSITION} if the point does not intersect an item. 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int pointToPosition(int x, int y) { 25969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect frame = mTouchFrame; 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame == null) { 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchFrame = new Rect(); 25999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frame = mTouchFrame; 26009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 26039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == View.VISIBLE) { 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 26079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(x, y)) { 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFirstPosition + i; 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_POSITION; 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a the rowId of the item which intersects that point. 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The rowId of the item which contains the specified point, or {@link #INVALID_ROW_ID} 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the point does not intersect an item. 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long pointToRowId(int x, int y) { 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = pointToPosition(x, y); 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position >= 0) { 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAdapter.getItemId(position); 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_ROW_ID; 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckForTap implements Runnable { 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN) { 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_TAP; 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(mMotionPosition - mFirstPosition); 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 2643079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn layoutChildren(); 2644079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mMotionPosition, child); 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressTimeout = ViewConfiguration.getLongPressTimeout(); 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 26509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 26519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 26529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 26539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).startTransition(longPressTimeout); 26549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForLongPress == null) { 26629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress = new CheckForLongPress(); 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress.rememberWindowAttachCount(); 26659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForLongPress, longPressTimeout); 26669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 26689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26700a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy mTouchMode = TOUCH_MODE_DONE_WAITING; 26719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean startScrollIfNeeded(int deltaY) { 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 26799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int distance = Math.abs(deltaY); 2681637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final boolean overscroll = mScrollY != 0; 2682637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscroll || distance > mTouchSlop) { 26839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createScrollingCache(); 2684637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = overscroll ? TOUCH_MODE_OVERSCROLL : TOUCH_MODE_SCROLL; 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionCorrection = deltaY; 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Handler should not be null unless the AbsListView is not attached to a 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window, which would make it very hard to scroll it... but the monkeys 26899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // say it's possible. 26909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 26919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mPendingCheckForLongPress); 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View motionView = getChildAt(mMotionPosition - mFirstPosition); 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (motionView != null) { 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project motionView.setPressed(false); 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 26999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Time to start stealing events! Once we've stolen them, don't let anyone 27009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // steal from us 27019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestDisallowInterceptTouchEvent(true); 27029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 27039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 27099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode) { 27109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get rid of the selection when we enter touch mode 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 27129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout, but only if we already have done so previously. 27139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (Otherwise may clobber a LAYOUT_SYNC layout that was requested to restore 27149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // state.) 27159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getHeight() > 0 && getChildCount() > 0) { 27169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We do not lose focus initiating a touch (since AbsListView is focusable in 27179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // touch mode). Force an initial layout to get rid of the selection. 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 27199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2720637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2721637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int touchMode = mTouchMode; 2722637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERSCROLL || touchMode == TOUCH_MODE_OVERFLING) { 2723637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable != null) { 2724637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.endFling(); 2725637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 27264032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 27274032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 27284032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2729637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2730637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScrollY != 0) { 2731637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = 0; 2732637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell finishGlows(); 2733637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 2734637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2735637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 2741dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2742dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // A disabled view that is clickable still consumes the touch 2743dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // events, it just doesn't respond to them. 2744dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return isClickable() || isLongClickable(); 2745dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2746dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onTouchEvent(ev); 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 27510a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy } 27529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 275382f3495b146b267f3786997752cef25310176349Romain Guy 27549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int action = ev.getAction(); 27559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY; 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVelocityTracker == null) { 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 27619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.addMovement(ev); 27639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27644cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 27659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 2766637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell switch (mTouchMode) { 2767637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: { 2768637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.endFling(); 27694032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 27704032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 27714032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 2772637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERSCROLL; 2773637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionY = mLastY = (int) ev.getY(); 2774637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 2775637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mActivePointerId = ev.getPointerId(0); 2776637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 2777637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 27789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell default: { 2780637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mActivePointerId = ev.getPointerId(0); 2781637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int x = (int) ev.getX(); 2782637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int y = (int) ev.getY(); 2783637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int motionPosition = pointToPosition(x, y); 2784637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mDataChanged) { 2785637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if ((mTouchMode != TOUCH_MODE_FLING) && (motionPosition >= 0) 2786637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell && (getAdapter().isEnabled(motionPosition))) { 2787637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // User clicked on an actual view (and was not stopping a fling). It might be a 2788637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // click or a scroll. Assume it is a click until proven otherwise 2789637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_DOWN; 2790637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // FIXME Debounce 2791637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mPendingCheckForTap == null) { 2792637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mPendingCheckForTap = new CheckForTap(); 2793637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2794637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); 2795637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2796637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (ev.getEdgeFlags() != 0 && motionPosition < 0) { 2797637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // If we couldn't find a view to click on, but the down event was touching 2798637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // the edge, we will bail out and try again. This allows the edge correcting 2799637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // code in ViewRoot to try to find a nearby view to select 2800637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return false; 2801637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2802637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2803637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mTouchMode == TOUCH_MODE_FLING) { 2804637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Stopped a fling. It is a scroll. 2805637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell createScrollingCache(); 2806637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_SCROLL; 2807637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 2808637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionPosition = findMotionRow(y); 2809637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.flywheelTouch(); 2810637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 28119d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } 281279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 28139d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell 2814637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionPosition >= 0) { 2815637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Remember where the motion event started 2816637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell v = getChildAt(motionPosition - mFirstPosition); 2817637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = v.getTop(); 2818637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2819637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionX = x; 2820637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionY = y; 2821637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = motionPosition; 2822637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastY = Integer.MIN_VALUE; 2823637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 2824637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 28259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 28279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 28304cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 28314cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 28329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = y - mMotionY; 28339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 28349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 28359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 28369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 28379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 28389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 28399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project startScrollIfNeeded(deltaY); 28409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 28419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_SCROLL: 28429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_SCROLLING) { 28439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mScrollProfilingStarted) { 28449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewScroll"); 28459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollProfilingStarted = true; 28469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28491cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan == null) { 28501cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick // If it's non-null, we're already in a scroll. 28511cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = StrictMode.enterCriticalSpan("AbsListView-scroll"); 28521cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 28531cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y != mLastY) { 2855110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // We may be here after stopping a fling and continuing to scroll. 2856110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // If so, we haven't disallowed intercepting touch events yet. 2857110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // Make sure that we do so in case we're in a parent that can intercept. 2858110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell if ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) == 0 && 2859110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell Math.abs(deltaY) > mTouchSlop) { 2860110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell requestDisallowInterceptTouchEvent(true); 2861110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell } 2862110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell 2863637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int rawDeltaY = deltaY; 28649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY -= mMotionCorrection; 28659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 2866a32edd4b4c894f4fb3d9fd7e9d5b80321df79e20Adam Cohen 2867637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionIndex; 2868637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mMotionPosition >= 0) { 2869637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionIndex = mMotionPosition - mFirstPosition; 2870637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2871637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // If we don't have a motion position that we can reliably track, 2872637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // pick something in the middle to make a best guess at things below. 2873637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionIndex = getChildCount() / 2; 2874637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2875637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2876637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int motionViewPrevTop = 0; 2877637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = this.getChildAt(motionIndex); 2878637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 2879637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionViewPrevTop = motionView.getTop(); 2880637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2881637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 28826198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy // No need to do all this work if we're not going to move anyway 2883458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean atEdge = false; 28846198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (incrementalDeltaY != 0) { 2885458034799861fef47e00d85d528b4dac5e00bd51Adam Powell atEdge = trackMotionScroll(deltaY, incrementalDeltaY); 28866198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 28879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check to see if we have bumped into the scroll limit 2889637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionView = this.getChildAt(motionIndex); 2890637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 2891637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check if the top of the motion view is where it is 2892637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // supposed to be 2893637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionViewRealTop = motionView.getTop(); 2894637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (atEdge) { 2895637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Apply overscroll 2896637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2897637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int overscroll = -incrementalDeltaY - 2898637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (motionViewRealTop - motionViewPrevTop); 2899637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, overscroll, 0, mScrollY, 0, 0, 2900637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverscrollDistance, true); 2901637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(mOverscrollDistance) == Math.abs(mScrollY)) { 2902637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't allow overfling if we're at the edge. 2903637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.clear(); 2904637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2905637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2906637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 2907637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 2908637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 2909637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell !contentFits())) { 2910637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mDirection = 0; // Reset when entering overscroll. 2911637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERSCROLL; 2912637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (rawDeltaY > 0) { 2913637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onPull((float) overscroll / getHeight()); 2914637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 2915637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 2916637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2917637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else if (rawDeltaY < 0) { 2918637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onPull((float) overscroll / getHeight()); 2919637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 2920637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 2921637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2922637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2923637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 292479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 2925b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell mMotionY = y; 2926b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell invalidate(); 292779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 292879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mLastY = y; 292979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 293079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 2931637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2932637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERSCROLL: 2933637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (y != mLastY) { 2934637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int rawDeltaY = deltaY; 2935637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell deltaY -= mMotionCorrection; 2936637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 2937637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2938637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int oldScroll = mScrollY; 2939637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int newScroll = oldScroll - incrementalDeltaY; 2940637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int newDirection = y > mLastY ? 1 : -1; 2941637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2942637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mDirection == 0) { 2943637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mDirection = newDirection; 2944637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2945637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2946637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mDirection != newDirection) { 2947637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Coming back to 'real' list scrolling 2948637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell incrementalDeltaY = -newScroll; 2949637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = 0; 2950637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2951637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // No need to do all this work if we're not going to move anyway 2952637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (incrementalDeltaY != 0) { 2953637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell trackMotionScroll(incrementalDeltaY, incrementalDeltaY); 2954637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2955637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2956637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check to see if we are back in 2957637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 2958637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 2959637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_SCROLL; 2960637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2961637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // We did not scroll the full amount. Treat this essentially like the 2962637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // start of a new touch scroll 2963637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionPosition = findClosestMotionRow(y); 2964637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 2965637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 2966637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionView = getChildAt(motionPosition - mFirstPosition); 2967637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = motionView.getTop(); 2968637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionY = y; 2969637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = motionPosition; 2970637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2971637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 2972637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, -incrementalDeltaY, 0, mScrollY, 0, 0, 2973637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverscrollDistance, true); 2974637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 2975637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 2976637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && 2977637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell !contentFits())) { 2978637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (rawDeltaY > 0) { 2979637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onPull((float) -incrementalDeltaY / getHeight()); 2980637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 2981637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 2982637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2983637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else if (rawDeltaY < 0) { 2984637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onPull((float) -incrementalDeltaY / getHeight()); 2985637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 2986637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 2987637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2988637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2989637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 2990637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2991637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(mOverscrollDistance) == Math.abs(mScrollY)) { 2992637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't allow overfling if we're at the edge. 2993637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.clear(); 2994637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2995637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2996637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastY = y; 2997637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mDirection = newDirection; 2998637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 2999637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 30009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 30069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 30079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 30089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 30099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 30109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 30119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 30129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode != TOUCH_MODE_DOWN) { 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 30159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPerformClick == null) { 30189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPerformClick = new PerformClick(); 30199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AbsListView.PerformClick performClick = mPerformClick; 30229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.mClickMotionPosition = motionPosition; 30239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.rememberWindowAttachCount(); 30249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = motionPosition; 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForTap : mPendingCheckForLongPress); 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 3034005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 3035005c0a445e32dfbf18bf93d209da857604925a58Adam Powell mTouchMode = TOUCH_MODE_TAP; 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(mMotionPosition); 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 3039079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mMotionPosition, child); 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 30446198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy ((TransitionDrawable) d).resetTransition(); 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3047d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn if (mTouchModeReset != null) { 3048d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn removeCallbacks(mTouchModeReset); 3049d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn } 3050d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn mTouchModeReset = new Runnable() { 3051d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn @Override 30529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 3053079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mTouchMode = TOUCH_MODE_REST; 30549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 30559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 30569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 3057d0b8365fcbe891b0bb3b54d345337f60c292d09eRomain Guy performClick.run(); 30589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3060d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn }; 3061d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn postDelayed(mTouchModeReset, 3062d173fa3b1cb8e4294aba7564c0171894be6c3c24Dianne Hackborn ViewConfiguration.getPressedStateDuration()); 3063005c0a445e32dfbf18bf93d209da857604925a58Adam Powell } else { 3064005c0a445e32dfbf18bf93d209da857604925a58Adam Powell mTouchMode = TOUCH_MODE_REST; 3065079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 30669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3068005c0a445e32dfbf18bf93d209da857604925a58Adam Powell } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 3069d0b8365fcbe891b0bb3b54d345337f60c292d09eRomain Guy performClick.run(); 30709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 3073079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn updateSelectorState(); 30749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_SCROLL: 30766198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy final int childCount = getChildCount(); 30776198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (childCount > 0) { 3078637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int firstChildTop = getChildAt(0).getTop(); 3079637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int lastChildBottom = getChildAt(childCount - 1).getBottom(); 3080637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int contentTop = mListPadding.top; 3081637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int contentBottom = getHeight() - mListPadding.bottom; 3082637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFirstPosition == 0 && firstChildTop >= contentTop && 30836198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFirstPosition + childCount < mItemCount && 3084637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell lastChildBottom <= getHeight() - contentBottom) { 30856198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mTouchMode = TOUCH_MODE_REST; 30866198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 30876198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } else { 30886198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy final VelocityTracker velocityTracker = mVelocityTracker; 30896198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3090637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 309121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy final int initialVelocity = (int) 309221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy (velocityTracker.getYVelocity(mActivePointerId) * mVelocityScale); 3093637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Fling if we have enough velocity and we aren't at a boundary. 3094637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Since we can potentially overfling more than we can overscroll, don't 3095637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // allow the weird behavior where you can scroll to a boundary then 3096637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // fling further. 3097637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(initialVelocity) > mMinimumVelocity && 3098637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell !((mFirstPosition == 0 && 3099637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell firstChildTop == contentTop - mOverscrollDistance) || 3100637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (mFirstPosition + childCount == mItemCount && 3101637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell lastChildBottom == contentBottom + mOverscrollDistance))) { 31026198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (mFlingRunnable == null) { 31036198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFlingRunnable = new FlingRunnable(); 31046198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 31056198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 31064e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 31076198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFlingRunnable.start(-initialVelocity); 3108f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy } else { 3109f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy mTouchMode = TOUCH_MODE_REST; 3110f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 3111d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (mFlingRunnable != null) { 3112d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mFlingRunnable.endFling(); 3113d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 31144032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 31154032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 31164032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 31176198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 31189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 31209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 31219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 31229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 312379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 3124637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3125637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERSCROLL: 3126637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable == null) { 3127637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable = new FlingRunnable(); 3128637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3129637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final VelocityTracker velocityTracker = mVelocityTracker; 3130637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 3131637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId); 3132637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3133637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 3134637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (Math.abs(initialVelocity) > mMinimumVelocity) { 3135637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.startOverfling(-initialVelocity); 3136637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3137637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.startSpringback(); 3138637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3139637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3140637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 31419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 31440a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 3145637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3146637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 3147637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 3148637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3149637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 31509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Need to redraw since we probably aren't drawing the selector anymore 31519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 31520a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 31539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 31549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 31559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mPendingCheckForLongPress); 31569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVelocityTracker != null) { 31599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.recycle(); 31609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker = null; 31619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31624e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 31634cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 31649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_SCROLLING) { 31669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollProfilingStarted) { 31679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.stopMethodTracing(); 31689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollProfilingStarted = false; 31699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31711cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 31721cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mScrollStrictSpan != null) { 31731cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan.finish(); 31741cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mScrollStrictSpan = null; 31751cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 31769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 31779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_CANCEL: { 3180637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell switch (mTouchMode) { 3181637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERSCROLL: 3182637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingRunnable == null) { 3183637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable = new FlingRunnable(); 3184637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3185637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingRunnable.startSpringback(); 3186637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 31879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3188637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: 3189637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Do nothing - let it play out. 3190637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 31919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3192637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell default: 3193637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_REST; 3194637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell setPressed(false); 3195637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 3196637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 3197637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell motionView.setPressed(false); 3198637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3199637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell clearScrollingCache(); 3200637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3201637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final Handler handler = getHandler(); 3202637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (handler != null) { 3203637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell handler.removeCallbacks(mPendingCheckForLongPress); 3204637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3205637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3206637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mVelocityTracker != null) { 3207637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.recycle(); 3208637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker = null; 3209637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32114e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3212637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3213637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onRelease(); 3214637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onRelease(); 3215637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 32174cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 32184cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 32194e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 32204cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 32214cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 32224cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = mMotionX; 32234cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = mMotionY; 32244cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int motionPosition = pointToPosition(x, y); 32254cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (motionPosition >= 0) { 32264cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // Remember where the motion event started 32274cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell v = getChildAt(motionPosition - mFirstPosition); 32284cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionViewOriginalTop = v.getTop(); 32294cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionPosition = motionPosition; 32304cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 32314cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mLastY = y; 32324cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 32339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 32379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32380a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 32399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3240637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell protected void onOverScrolled(int scrollX, int scrollY, 3241637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell boolean clampedX, boolean clampedY) { 3242637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScrollY = scrollY; 3243637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3244637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (clampedY) { 3245637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Velocity is broken by hitting the limit; don't start a fling off of this. 3246637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mVelocityTracker != null) { 3247637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mVelocityTracker.clear(); 3248637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3249637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3250637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell awakenScrollBars(); 3251637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3252637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3253637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell @Override 32549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 32559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.draw(canvas); 3256637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 3257637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3258637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowTop.isFinished()) { 3259637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 3260637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int width = getWidth(); 3261637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3262a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira canvas.translate(0, Math.min(0, scrollY + mFirstPositionDistanceGuess)); 3263a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowTop.setSize(width, getHeight()); 3264637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop.draw(canvas)) { 3265637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3266637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3267637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3268637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3269637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (!mEdgeGlowBottom.isFinished()) { 3270637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int restoreCount = canvas.save(); 3271637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int width = getWidth(); 3272637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int height = getHeight(); 3273637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3274e1be66cdbce9f1bb6aa00bcfc32c1fe6a60e7574Mindy Pereira canvas.translate(-width, Math.max(height, scrollY + mLastPositionDistanceGuess)); 3275e1be66cdbce9f1bb6aa00bcfc32c1fe6a60e7574Mindy Pereira canvas.rotate(180, width, 0); 3276a5531d784b9b79fe3bf9b30d99e9c99ea3947c6dMindy Pereira mEdgeGlowBottom.setSize(width, height); 3277637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowBottom.draw(canvas)) { 3278637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3279637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3280637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3281637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3282637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 3284637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3285637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (scrollY != 0) { 3286637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Pin to the top/bottom during overscroll 3287637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int restoreCount = canvas.save(); 3288637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.translate(0, (float) scrollY); 3289637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFastScroller.draw(canvas); 3290637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell canvas.restoreToCount(restoreCount); 3291637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3292637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFastScroller.draw(canvas); 3293637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 32949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 32989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 32999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = ev.getAction(); 33009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 33010a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 33029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 33039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onInterceptTouchEvent(ev); 33049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 33059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 33069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33080a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 33094cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 33109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 331179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int touchMode = mTouchMode; 3312637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (touchMode == TOUCH_MODE_OVERFLING || touchMode == TOUCH_MODE_OVERSCROLL) { 3313637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 3314637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return true; 3315637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 33164e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33174cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = (int) ev.getX(); 33184cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(); 33194cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(0); 33204e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int motionPosition = findMotionRow(y); 332279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) { 33239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // User clicked on an actual view (and was not stopping a fling). 33249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember where the motion event started 33259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = getChildAt(motionPosition - mFirstPosition); 33269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionViewOriginalTop = v.getTop(); 33279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionX = x; 33289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionY = y; 33299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionPosition = motionPosition; 33309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DOWN; 33319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 33329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastY = Integer.MIN_VALUE; 333479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode == TOUCH_MODE_FLING) { 33354b4f40f84e72579417604143e5f42115769649b8Romain Guy return true; 33364b4f40f84e72579417604143e5f42115769649b8Romain Guy } 33379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 33419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 33429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 33434cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 33444cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 33459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startScrollIfNeeded(y - mMotionY)) { 33469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 33479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 33549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 33554cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 33569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 33579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33594e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33604cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 33614cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 33624cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 33634cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 33649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 33679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33684e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 33694cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private void onSecondaryPointerUp(MotionEvent ev) { 33704cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 33714cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 33724cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerId = ev.getPointerId(pointerIndex); 33734cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (pointerId == mActivePointerId) { 33744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // This was our active pointer going up. Choose a new 33754cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // active pointer and adjust accordingly. 33764cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // TODO: Make this decision more intelligent. 33774cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 33784cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionX = (int) ev.getX(newPointerIndex); 33794cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionY = (int) ev.getY(newPointerIndex); 3380637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionCorrection = 0; 33814cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 33824cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (mVelocityTracker != null) { 33834cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mVelocityTracker.clear(); 33844cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 33854cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 33864cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 33879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 33909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 33929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 33939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 33949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 33959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ListAdapter adapter = mAdapter; 33969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter == null) { 33989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 33999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 34029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 34039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter.isEnabled(firstPosition + i)) { 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 34079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fires an "on scroll state changed" event to the registered 34129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.AbsListView.OnScrollListener}, if any. The state change 34139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is fired only if the specified state is different from the previously known state. 34149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newState The new scroll state. 34169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reportScrollStateChange(int newState) { 34189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newState != mLastScrollState) { 34199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 34209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastScrollState = newState; 34210046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell mOnScrollListener.onScrollStateChanged(this, newState); 34229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Responsible for fling behavior. Use {@link #start(int)} to 34289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * initiate a fling. Each frame of the fling is handled in {@link #run()}. 34299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A FlingRunnable will keep re-posting itself until the fling is done. 34309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FlingRunnable implements Runnable { 34339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tracks the decay of a fling scroll 34359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3436637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private final OverScroller mScroller; 34379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value reported by mScroller on the previous fling 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastFlingY; 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3443d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private final Runnable mCheckFlywheel = new Runnable() { 3444d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne public void run() { 3445d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final int activeId = mActivePointerId; 3446d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final VelocityTracker vt = mVelocityTracker; 3447637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 3448d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (vt == null || activeId == INVALID_POINTER) { 3449d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 3450d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3451d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3452d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne vt.computeCurrentVelocity(1000, mMaximumVelocity); 3453d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne final float yvel = -vt.getYVelocity(activeId); 3454d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3455d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (scroller.isScrollingInDirection(0, yvel)) { 3456d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Keep the fling alive a little longer 3457d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(this, FLYWHEEL_TIMEOUT); 3458d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } else { 3459d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 3460d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mTouchMode = TOUCH_MODE_SCROLL; 3461b43d6a30ad1e7bf0e64192a1f144b3fe1bcf7f95Erik reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 3462d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3463d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3464d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne }; 3465d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3466d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne private static final int FLYWHEEL_TIMEOUT = 40; // milliseconds 3467d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 346879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell FlingRunnable() { 3469637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller = new OverScroller(getContext()); 34709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 347279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell void start(int initialVelocity) { 34739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialY = initialVelocity < 0 ? Integer.MAX_VALUE : 0; 34749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastFlingY = initialY; 34759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScroller.fling(0, initialY, 0, initialVelocity, 34769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, Integer.MAX_VALUE, 0, Integer.MAX_VALUE); 34779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_FLING; 34789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(this); 34799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_FLINGING) { 34819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mFlingProfilingStarted) { 34829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewFling"); 34839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlingProfilingStarted = true; 34849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34861cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 34871cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (mFlingStrictSpan == null) { 34881cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick mFlingStrictSpan = StrictMode.enterCriticalSpan("AbsListView-fling"); 34891cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick } 34909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3491458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3492637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startSpringback() { 3493637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mScroller.springBack(0, mScrollY, 0, 0, 0, 0)) { 3494637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 3495637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3496637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3497637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3498637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_REST; 3499637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3500637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3501637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3502637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void startOverfling(int initialVelocity) { 3503637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int min = mScrollY > 0 ? Integer.MIN_VALUE : 0; 3504637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int max = mScrollY > 0 ? 0 : Integer.MAX_VALUE; 3505637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller.fling(0, mScrollY, 0, initialVelocity, 0, 0, min, max, 0, getHeight()); 3506637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 3507637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3508637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3509637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3510637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3511637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell void edgeReached(int delta) { 3512637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mScroller.notifyVerticalEdgeReached(mScrollY, 0, mOverflingDistance); 3513637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int overscrollMode = getOverScrollMode(); 3514637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overscrollMode == OVER_SCROLL_ALWAYS || 3515637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits())) { 3516637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mTouchMode = TOUCH_MODE_OVERFLING; 3517637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int vel = (int) mScroller.getCurrVelocity(); 3518637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 3519637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.onAbsorb(vel); 3520637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3521637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.onAbsorb(vel); 3522637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 35234032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 35244032252c997be9f5d013054dc23ace855007b3a5Adam Powell mTouchMode = TOUCH_MODE_REST; 35254032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 35264032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 35274032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 3528637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3529637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3530637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3531637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3532637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3533458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void startScroll(int distance, int duration) { 3534458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int initialY = distance < 0 ? Integer.MAX_VALUE : 0; 3535458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastFlingY = initialY; 3536458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScroller.startScroll(0, initialY, 0, distance, duration); 3537458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTouchMode = TOUCH_MODE_FLING; 3538458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3539458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3540458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3541d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void endFling() { 35429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 3543458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 354479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell removeCallbacks(this); 3545d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne removeCallbacks(mCheckFlywheel); 354621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 354721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 354821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy clearScrollingCache(); 3549d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne mScroller.abortAnimation(); 35505e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick 35515e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick if (mFlingStrictSpan != null) { 35525e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan.finish(); 35535e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick mFlingStrictSpan = null; 35545e9d94505bd7d4e294bfe309db25e293164e2d29Brad Fitzpatrick } 3555d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3556d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3557d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne void flywheelTouch() { 3558d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne postDelayed(mCheckFlywheel, FLYWHEEL_TIMEOUT); 35599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 356279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell switch (mTouchMode) { 356379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell default: 3564d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne endFling(); 35659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 35664e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3567d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne case TOUCH_MODE_SCROLL: 3568d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne if (mScroller.isFinished()) { 3569d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne return; 3570d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne } 3571d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne // Fall through 3572637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_FLING: { 357379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (mItemCount == 0 || getChildCount() == 0) { 357479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell endFling(); 357579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell return; 357679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 35779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3578637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 3579637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell boolean more = scroller.computeScrollOffset(); 3580637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int y = scroller.getCurrY(); 35819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3582637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Flip sign to convert finger direction to list items direction 3583637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // (e.g. finger moving down means list is moving towards the top) 3584637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int delta = mLastFlingY - y; 35859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3586637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Pretend that each frame of a fling scroll is a touch scroll 3587637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (delta > 0) { 3588637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the top. Use first view as mMotionPosition 3589637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition; 3590637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View firstView = getChildAt(0); 3591637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = firstView.getTop(); 35929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3593637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 3594637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.min(getHeight() - mPaddingBottom - mPaddingTop - 1, delta); 3595637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3596637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // List is moving towards the bottom. Use last view as mMotionPosition 3597637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int offsetToLast = getChildCount() - 1; 3598637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionPosition = mFirstPosition + offsetToLast; 35999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3600637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final View lastView = getChildAt(offsetToLast); 3601637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mMotionViewOriginalTop = lastView.getTop(); 3602d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3603637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't fling more than 1 screen 3604637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta); 3605637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3606d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3607637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Check to see if we have bumped into the scroll limit 3608637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell View motionView = getChildAt(mMotionPosition - mFirstPosition); 3609637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int oldTop = 0; 3610637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 3611637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell oldTop = motionView.getTop(); 3612637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3613637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3614637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Don't stop just because delta is zero (it could have been rounded) 3615637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final boolean atEnd = trackMotionScroll(delta, delta) && (delta != 0); 3616637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (atEnd) { 3617637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (motionView != null) { 3618637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Tweak the scroll for how far we overshot 3619637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int overshoot = -(delta - (motionView.getTop() - oldTop)); 3620637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell overScrollBy(0, overshoot, 0, mScrollY, 0, 0, 3621637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false); 3622637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 36233cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell if (more) { 36243cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell edgeReached(delta); 36253cd0c571ead0795d6e3d86a2865d51ff35b01c6fAdam Powell } 3626637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 3627637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3628637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3629637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (more && !atEnd) { 3630637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3631637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastFlingY = y; 3632637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3633637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3634637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 3635637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3636637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (PROFILE_FLINGING) { 3637637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingProfilingStarted) { 3638637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell Debug.stopMethodTracing(); 3639637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingProfilingStarted = false; 3640637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3641d348bb4feff72d047a1037537be2d334a00c380cGilles Debunne 3642637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mFlingStrictSpan != null) { 3643637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan.finish(); 3644637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFlingStrictSpan = null; 3645637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 36469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3648637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 3649637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3650637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 3651637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell case TOUCH_MODE_OVERFLING: { 3652637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final OverScroller scroller = mScroller; 3653637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (scroller.computeScrollOffset()) { 3654637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int scrollY = mScrollY; 3655637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int deltaY = scroller.getCurrY() - scrollY; 3656637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (overScrollBy(0, deltaY, 0, scrollY, 0, 0, 3657637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 0, mOverflingDistance, false)) { 3658637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell startSpringback(); 3659637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3660637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell invalidate(); 3661637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell post(this); 3662637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3663637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 3664637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell endFling(); 3665637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 3666637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell break; 3667637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 36689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36714e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 36724e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3673458034799861fef47e00d85d528b4dac5e00bd51Adam Powell class PositionScroller implements Runnable { 3674458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int SCROLL_DURATION = 400; 36754e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3676458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_POS = 1; 3677458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_POS = 2; 3678458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_BOUND = 3; 3679458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_BOUND = 4; 3680e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private static final int MOVE_OFFSET = 5; 36814e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3682458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mMode; 3683458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mTargetPos; 3684458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mBoundPos; 3685458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mLastSeenPos; 3686458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mScrollDuration; 368752964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne private final int mExtraScroll; 3688e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3689e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private int mOffsetFromTop; 36904e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3691458034799861fef47e00d85d528b4dac5e00bd51Adam Powell PositionScroller() { 3692458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mExtraScroll = ViewConfiguration.get(mContext).getScaledFadingEdgeLength(); 3693458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 36944e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3695458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void start(int position) { 36964032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 36974032252c997be9f5d013054dc23ace855007b3a5Adam Powell 3698458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 3699458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + getChildCount() - 1; 37004e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 37014bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 37024e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira if (position <= firstPos) { 3703458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = firstPos - position + 1; 3704458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 3705458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else if (position >= lastPos) { 3706458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = position - lastPos + 1; 3707458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 3708458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3709458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Already on screen, nothing to do 3710458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3711458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37124e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3713458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 3714458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 3715458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3716458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 3717458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3718458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTargetPos = position; 3719458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = INVALID_POSITION; 3720458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 37214e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3722458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3723458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37244e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3725458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void start(int position, int boundPosition) { 37264032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 37274032252c997be9f5d013054dc23ace855007b3a5Adam Powell 3728458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosition == INVALID_POSITION) { 3729458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start(position); 3730458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3731458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37324e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3733458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 3734458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + getChildCount() - 1; 37354e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 37364bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 3737fee20911e3ec97af64e4ac2c519d75b5f75e2a27Adam Powell if (position <= firstPos) { 3738458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromLast = lastPos - boundPosition; 3739458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromLast < 1) { 3740458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 3741458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3742458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37434e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3744458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int posTravel = firstPos - position + 1; 3745458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromLast - 1; 3746458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 3747458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 3748458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_BOUND; 3749458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3750458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 3751458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 3752458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3753fee20911e3ec97af64e4ac2c519d75b5f75e2a27Adam Powell } else if (position >= lastPos) { 3754458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromFirst = boundPosition - firstPos; 3755458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromFirst < 1) { 3756458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 3757458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3758458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3759458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3760458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int posTravel = position - lastPos + 1; 3761458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromFirst - 1; 3762458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 3763458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 3764458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_BOUND; 3765458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3766458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 3767458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 3768458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3769458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3770458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Already on screen, nothing to do 3771458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3772458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 37734e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3774458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 3775458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 3776458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3777458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 3778458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3779458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTargetPos = position; 3780458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = boundPosition; 3781458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 37824e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3783458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3784458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3785e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3786e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell void startWithOffset(int position, int offset) { 3787322171b333a1c796fcc1428a96ea1d854a3881faErik startWithOffset(position, offset, SCROLL_DURATION); 3788322171b333a1c796fcc1428a96ea1d854a3881faErik } 3789322171b333a1c796fcc1428a96ea1d854a3881faErik 3790322171b333a1c796fcc1428a96ea1d854a3881faErik void startWithOffset(int position, int offset, int duration) { 37914032252c997be9f5d013054dc23ace855007b3a5Adam Powell stop(); 37924032252c997be9f5d013054dc23ace855007b3a5Adam Powell 3793e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mTargetPos = position; 3794e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mOffsetFromTop = offset; 3795e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mBoundPos = INVALID_POSITION; 3796e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mLastSeenPos = INVALID_POSITION; 3797e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mMode = MOVE_OFFSET; 3798e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3799e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int firstPos = mFirstPosition; 3800371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int childCount = getChildCount(); 3801371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 3802e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 38034bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 3804e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 3805e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell viewTravelCount = firstPos - position; 3806e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 3807e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell viewTravelCount = position - lastPos; 3808e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 3809e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 3810e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 3811322171b333a1c796fcc1428a96ea1d854a3881faErik smoothScrollBy(targetTop - offset, duration); 3812e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell return; 3813e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3814e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3815371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell // Estimate how many screens we should travel 38164ef1da3c04aed2fc7af7796a731f5cf00712ae02Daniel Lehmann final float screenTravelCount = (float) viewTravelCount / childCount; 3817322171b333a1c796fcc1428a96ea1d854a3881faErik mScrollDuration = screenTravelCount < 1 ? (int) (screenTravelCount * duration) : 3818322171b333a1c796fcc1428a96ea1d854a3881faErik (int) (duration / screenTravelCount); 3819371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = INVALID_POSITION; 3820234a5715309ea74757780aff6123e3144efb5b69Adam Powell 3821e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3822e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3823e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3824458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void stop() { 3825458034799861fef47e00d85d528b4dac5e00bd51Adam Powell removeCallbacks(this); 3826458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3827e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3828458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void run() { 3829371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell if (mTouchMode != TOUCH_MODE_FLING && mLastSeenPos != INVALID_POSITION) { 3830371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell return; 3831371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell } 3832371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell 3833458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int listHeight = getHeight(); 3834458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 38354e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3836458034799861fef47e00d85d528b4dac5e00bd51Adam Powell switch (mMode) { 3837458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_POS: { 3838458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 1; 3839458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 38404e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 38410b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (lastViewIndex < 0) { 38420b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 38430b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 3844458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3845458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 3846458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3847458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3848458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3849458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3850458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3851458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 3852458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 3853458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 3854458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 3855029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int extraScroll = lastPos < mItemCount - 1 ? mExtraScroll : mListPadding.bottom; 3856458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3857029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell smoothScrollBy(lastViewHeight - lastViewPixelsShowing + extraScroll, 3858458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration); 3859458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3860458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 38617e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos < mTargetPos) { 3862458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3863458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3864458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3865458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 38664e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3867458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_BOUND: { 3868458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewIndex = 1; 3869029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int childCount = getChildCount(); 38704e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3871029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (firstPos == mBoundPos || childCount <= nextViewIndex 3872029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell || firstPos + childCount >= mItemCount) { 3873458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3874458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3875458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextPos = firstPos + nextViewIndex; 3876458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3877458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (nextPos == mLastSeenPos) { 3878458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3879458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3880458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3881458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3882458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3883458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View nextView = getChildAt(nextViewIndex); 3884458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewHeight = nextView.getHeight(); 3885458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewTop = nextView.getTop(); 3886458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int extraScroll = mExtraScroll; 38877e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (nextPos < mBoundPos) { 3888458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(Math.max(0, nextViewHeight + nextViewTop - extraScroll), 3889458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration); 3890458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3891458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = nextPos; 3892458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3893458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3894458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 38954e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira if (nextViewTop > extraScroll) { 3896458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(nextViewTop - extraScroll, mScrollDuration); 3897458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3898458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3899458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3900458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 39014e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3902458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_POS: { 3903458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (firstPos == mLastSeenPos) { 3904458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3905458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3906458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3907458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3908458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3909458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View firstView = getChildAt(0); 39100b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (firstView == null) { 39110b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 39120b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 3913458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstViewTop = firstView.getTop(); 3914029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int extraScroll = firstPos > 0 ? mExtraScroll : mListPadding.top; 3915458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3916029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell smoothScrollBy(firstViewTop - extraScroll, mScrollDuration); 3917458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3918458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = firstPos; 3919458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 39207e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (firstPos > mTargetPos) { 3921458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3922458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3923458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3924458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 39254e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 3926458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_BOUND: { 3927458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 2; 3928458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastViewIndex < 0) { 3929458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3930458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3931458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 3932458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3933458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 3934458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3935458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3936458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3937458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3938458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3939458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 3940458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 3941458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 3942458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 3943458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 39447e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos > mBoundPos) { 3945458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(-(lastViewPixelsShowing - mExtraScroll), mScrollDuration); 3946458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3947458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3948458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int bottom = listHeight - mExtraScroll; 3949458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewBottom = lastViewTop + lastViewHeight; 3950458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (bottom > lastViewBottom) { 3951458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(-(bottom - lastViewBottom), mScrollDuration); 3952458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3953458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3954458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3955458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3956458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3957e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell case MOVE_OFFSET: { 3958234a5715309ea74757780aff6123e3144efb5b69Adam Powell if (mLastSeenPos == firstPos) { 3959234a5715309ea74757780aff6123e3144efb5b69Adam Powell // No new views, let things keep going. 3960234a5715309ea74757780aff6123e3144efb5b69Adam Powell post(this); 3961234a5715309ea74757780aff6123e3144efb5b69Adam Powell return; 3962234a5715309ea74757780aff6123e3144efb5b69Adam Powell } 3963e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3964371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = firstPos; 3965234a5715309ea74757780aff6123e3144efb5b69Adam Powell 3966234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int childCount = getChildCount(); 3967e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int position = mTargetPos; 3968371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 3969e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 39704032252c997be9f5d013054dc23ace855007b3a5Adam Powell int viewTravelCount = 0; 3971e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 39724032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = firstPos - position + 1; 39734032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else if (position > lastPos) { 39744032252c997be9f5d013054dc23ace855007b3a5Adam Powell viewTravelCount = position - lastPos; 39754032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 39764032252c997be9f5d013054dc23ace855007b3a5Adam Powell 39774032252c997be9f5d013054dc23ace855007b3a5Adam Powell // Estimate how many screens we should travel 39784032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float screenTravelCount = (float) viewTravelCount / childCount; 39794032252c997be9f5d013054dc23ace855007b3a5Adam Powell 39804032252c997be9f5d013054dc23ace855007b3a5Adam Powell final float modifier = Math.min(Math.abs(screenTravelCount), 1.f); 39814032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (position < firstPos) { 39824032252c997be9f5d013054dc23ace855007b3a5Adam Powell smoothScrollBy((int) (-getHeight() * modifier), mScrollDuration); 3983e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3984e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 39854032252c997be9f5d013054dc23ace855007b3a5Adam Powell smoothScrollBy((int) (getHeight() * modifier), mScrollDuration); 3986e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3987e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 3988e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 3989e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 3990234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int distance = targetTop - mOffsetFromTop; 3991234a5715309ea74757780aff6123e3144efb5b69Adam Powell smoothScrollBy(distance, 3992234a5715309ea74757780aff6123e3144efb5b69Adam Powell (int) (mScrollDuration * ((float) distance / getHeight()))); 3993e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3994e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell break; 3995e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3996e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3997458034799861fef47e00d85d528b4dac5e00bd51Adam Powell default: 3998458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3999458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4000458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4001458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 40024e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4003458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 40044bede9e425875542976a422222510fa4056a8339Romain Guy * The amount of friction applied to flings. The default value 40054bede9e425875542976a422222510fa4056a8339Romain Guy * is {@link ViewConfiguration#getScrollFriction}. 40064e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 40074bede9e425875542976a422222510fa4056a8339Romain Guy * @return A scalar dimensionless value representing the coefficient of 40084bede9e425875542976a422222510fa4056a8339Romain Guy * friction. 40094bede9e425875542976a422222510fa4056a8339Romain Guy */ 40104bede9e425875542976a422222510fa4056a8339Romain Guy public void setFriction(float friction) { 40114bede9e425875542976a422222510fa4056a8339Romain Guy if (mFlingRunnable == null) { 40124bede9e425875542976a422222510fa4056a8339Romain Guy mFlingRunnable = new FlingRunnable(); 40134bede9e425875542976a422222510fa4056a8339Romain Guy } 40144e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira mFlingRunnable.mScroller.setFriction(friction); 40154bede9e425875542976a422222510fa4056a8339Romain Guy } 401621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 401721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy /** 401821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * Sets a scale factor for the fling velocity. The initial scale 401921317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * factor is 1.0. 40204e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * 402121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * @param scale The scale factor to multiply the velocity by. 402221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy */ 402321317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy public void setVelocityScale(float scale) { 402421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy mVelocityScale = scale; 402521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy } 40264e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 40274bede9e425875542976a422222510fa4056a8339Romain Guy /** 4028458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4029458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed. 4030458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4031458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4032458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position) { 4033458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 4034458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 4035458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4036458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position); 4037458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4038322171b333a1c796fcc1428a96ea1d854a3881faErik 4039322171b333a1c796fcc1428a96ea1d854a3881faErik /** 4040322171b333a1c796fcc1428a96ea1d854a3881faErik * Smoothly scroll to the specified adapter position. The view will scroll 4041322171b333a1c796fcc1428a96ea1d854a3881faErik * such that the indicated position is displayed <code>offset</code> pixels from 4042322171b333a1c796fcc1428a96ea1d854a3881faErik * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4043322171b333a1c796fcc1428a96ea1d854a3881faErik * the first or last item beyond the boundaries of the list) it will get as close 4044322171b333a1c796fcc1428a96ea1d854a3881faErik * as possible. The scroll will take <code>duration</code> milliseconds to complete. 4045322171b333a1c796fcc1428a96ea1d854a3881faErik * 4046322171b333a1c796fcc1428a96ea1d854a3881faErik * @param position Position to scroll to 4047322171b333a1c796fcc1428a96ea1d854a3881faErik * @param offset Desired distance in pixels of <code>position</code> from the top 4048322171b333a1c796fcc1428a96ea1d854a3881faErik * of the view when scrolling is finished 4049322171b333a1c796fcc1428a96ea1d854a3881faErik * @param duration Number of milliseconds to use for the scroll 4050322171b333a1c796fcc1428a96ea1d854a3881faErik */ 4051322171b333a1c796fcc1428a96ea1d854a3881faErik public void smoothScrollToPositionFromTop(int position, int offset, int duration) { 4052322171b333a1c796fcc1428a96ea1d854a3881faErik if (mPositionScroller == null) { 4053322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller = new PositionScroller(); 4054322171b333a1c796fcc1428a96ea1d854a3881faErik } 4055322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller.startWithOffset(position, offset, duration); 4056322171b333a1c796fcc1428a96ea1d854a3881faErik } 4057322171b333a1c796fcc1428a96ea1d854a3881faErik 4058458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4059e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * Smoothly scroll to the specified adapter position. The view will scroll 4060e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * such that the indicated position is displayed <code>offset</code> pixels from 4061e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the top edge of the view. If this is impossible, (e.g. the offset would scroll 4062e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the first or last item beyond the boundaries of the list) it will get as close 4063e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * as possible. 4064e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * 4065e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param position Position to scroll to 4066e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param offset Desired distance in pixels of <code>position</code> from the top 4067e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * of the view when scrolling is finished 4068e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell */ 4069e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell public void smoothScrollToPositionFromTop(int position, int offset) { 4070e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (mPositionScroller == null) { 4071e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller = new PositionScroller(); 4072e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4073e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller.startWithOffset(position, offset); 4074e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 4075e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 4076e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell /** 4077458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 4078458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed, but it will 4079458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * stop early if scrolling further would scroll boundPosition out of 40804e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira * view. 4081458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 4082458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param boundPosition Do not scroll if it would move this adapter 4083458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * position out of view. 4084458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4085458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position, int boundPosition) { 4086458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 4087458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 4088458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4089458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position, boundPosition); 4090458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 40914e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4092458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 4093458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll by distance pixels over duration milliseconds. 4094458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param distance Distance to scroll in pixels. 4095458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param duration Duration of the scroll animation in milliseconds. 4096458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 4097458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollBy(int distance, int duration) { 4098458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mFlingRunnable == null) { 4099458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFlingRunnable = new FlingRunnable(); 4100458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 41014032252c997be9f5d013054dc23ace855007b3a5Adam Powell 4102299acb581205b6574bfa91824b1b887e265c4c40Marc Blank // No sense starting to scroll if we're not going anywhere 41034032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int firstPos = mFirstPosition; 41044032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int childCount = getChildCount(); 41054032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int lastPos = firstPos + childCount; 41064032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int topLimit = getPaddingTop(); 41074032252c997be9f5d013054dc23ace855007b3a5Adam Powell final int bottomLimit = getHeight() - getPaddingBottom(); 41084032252c997be9f5d013054dc23ace855007b3a5Adam Powell 410979303750df0e4d18f51f64c7ef3ca21fca893bbbAdam Powell if (distance == 0 || mItemCount == 0 || childCount == 0 || 41104032252c997be9f5d013054dc23ace855007b3a5Adam Powell (firstPos == 0 && getChildAt(0).getTop() == topLimit && distance < 0) || 41114032252c997be9f5d013054dc23ace855007b3a5Adam Powell (lastPos == mItemCount - 1 && 41124032252c997be9f5d013054dc23ace855007b3a5Adam Powell getChildAt(childCount - 1).getBottom() == bottomLimit && distance > 0)) { 41134032252c997be9f5d013054dc23ace855007b3a5Adam Powell mFlingRunnable.endFling(); 41144032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 41154032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 41164032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 41174032252c997be9f5d013054dc23ace855007b3a5Adam Powell } else { 41180046bd8ea6f56b632fd7b9c4c33e22f57232bcbcAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 4119299acb581205b6574bfa91824b1b887e265c4c40Marc Blank mFlingRunnable.startScroll(distance, duration); 4120299acb581205b6574bfa91824b1b887e265c4c40Marc Blank } 4121458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 41229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4123499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 4124499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Allows RemoteViews to scroll relatively to a position. 4125499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4126499cb9f516062b654952d282f211bee44c31a3c2Winson Chung void smoothScrollByOffset(int position) { 4127499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int index = -1; 4128499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (position < 0) { 4129499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getFirstVisiblePosition(); 4130499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if (position > 0) { 4131499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getLastVisiblePosition(); 4132499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4133499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4134499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (index > -1) { 4135499cb9f516062b654952d282f211bee44c31a3c2Winson Chung View child = getChildAt(index - getFirstVisiblePosition()); 4136499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child != null) { 4137499cb9f516062b654952d282f211bee44c31a3c2Winson Chung Rect visibleRect = new Rect(); 4138499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child.getGlobalVisibleRect(visibleRect)) { 4139499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the child is partially visible 4140499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int childRectArea = child.getWidth() * child.getHeight(); 4141499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int visibleRectArea = visibleRect.width() * visibleRect.height(); 4142499cb9f516062b654952d282f211bee44c31a3c2Winson Chung float visibleArea = (visibleRectArea / (float) childRectArea); 4143499cb9f516062b654952d282f211bee44c31a3c2Winson Chung final float visibleThreshold = 0.75f; 4144499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if ((position < 0) && (visibleArea < visibleThreshold)) { 4145499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the top index is not perceivably visible so offset 4146499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that top index as well 4147499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ++index; 4148499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if ((position > 0) && (visibleArea < visibleThreshold)) { 4149499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the bottom index is not perceivably visible so offset 4150499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that bottom index as well 4151499cb9f516062b654952d282f211bee44c31a3c2Winson Chung --index; 4152499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4153499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4154499cb9f516062b654952d282f211bee44c31a3c2Winson Chung smoothScrollToPosition(Math.max(0, Math.min(getCount(), index + position))); 4155499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4156499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4157499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4158499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 41599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createScrollingCache() { 41609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !mCachingStarted) { 41619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawnWithCacheEnabled(true); 41629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(true); 41639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCachingStarted = true; 41649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void clearScrollingCache() { 41686dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (mClearScrollingCache == null) { 41696dfed24158b8fc9150abee23992db621cd82aa43Romain Guy mClearScrollingCache = new Runnable() { 41706dfed24158b8fc9150abee23992db621cd82aa43Romain Guy public void run() { 41716dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (mCachingStarted) { 41726dfed24158b8fc9150abee23992db621cd82aa43Romain Guy mCachingStarted = false; 41736dfed24158b8fc9150abee23992db621cd82aa43Romain Guy setChildrenDrawnWithCacheEnabled(false); 41746dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if ((mPersistentDrawingCache & PERSISTENT_SCROLLING_CACHE) == 0) { 41756dfed24158b8fc9150abee23992db621cd82aa43Romain Guy setChildrenDrawingCacheEnabled(false); 41766dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 41776dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (!isAlwaysDrawnWithCacheEnabled()) { 41786dfed24158b8fc9150abee23992db621cd82aa43Romain Guy invalidate(); 41796dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 41806dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 41816dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 41826dfed24158b8fc9150abee23992db621cd82aa43Romain Guy }; 41839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41846dfed24158b8fc9150abee23992db621cd82aa43Romain Guy post(mClearScrollingCache); 41859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Track a motion scroll 41899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 41909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deltaY Amount to offset mMotionView. This is the accumulated delta since the motion 41919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * began. Positive numbers mean the user's finger is moving down the screen. 41929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param incrementalDeltaY Change in deltaY from the previous event. 4193458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @return true if we're already at the beginning/end of the list and have nothing to do. 41949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4195458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean trackMotionScroll(int deltaY, int incrementalDeltaY) { 41969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 41979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount == 0) { 4198458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 41999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstTop = getChildAt(0).getTop(); 42029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int lastBottom = getChildAt(childCount - 1).getBottom(); 42039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 42059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4206bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // "effective padding" In this case is the amount of padding that affects 4207bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // how much space should not be filled by items. If we don't clip to padding 4208bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell // there is no effective padding. 4209bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingTop = 0; 4210bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell int effectivePaddingBottom = 0; 4211bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 4212bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingTop = listPadding.top; 4213bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell effectivePaddingBottom = listPadding.bottom; 4214bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell } 4215bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell 42169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME account for grid vertical spacing too? 4217bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int spaceAbove = effectivePaddingTop - firstTop; 4218bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell final int end = getHeight() - effectivePaddingBottom; 42199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int spaceBelow = lastBottom - end; 42209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight() - mPaddingBottom - mPaddingTop; 42229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (deltaY < 0) { 42239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.max(-(height - 1), deltaY); 42249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 42259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.min(height - 1, deltaY); 42269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (incrementalDeltaY < 0) { 42299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.max(-(height - 1), incrementalDeltaY); 42309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 42319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.min(height - 1, incrementalDeltaY); 42329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4234458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPosition = mFirstPosition; 42359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4236637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell // Update our guesses for where the first and last views are 4237637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition == 0) { 4238bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mFirstPositionDistanceGuess = firstTop - listPadding.top; 4239637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4240637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mFirstPositionDistanceGuess += incrementalDeltaY; 4241637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4242637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition + childCount == mItemCount) { 4243bdccc2d3db85d6489ddf332871ebf082386bae53Adam Powell mLastPositionDistanceGuess = lastBottom + listPadding.bottom; 4244637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } else { 4245637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mLastPositionDistanceGuess += incrementalDeltaY; 4246637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4247637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4248637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (firstPosition == 0 && firstTop >= listPadding.top && incrementalDeltaY >= 0) { 4249458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Don't need to move views down if the top of the first position 4250458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // is already visible 4251637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return incrementalDeltaY != 0; 4252458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 42539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4254a13fc67b8147a1bc8c25d2f28ab027023e339426Adam Powell if (firstPosition + childCount == mItemCount && 4255a13fc67b8147a1bc8c25d2f28ab027023e339426Adam Powell lastBottom <= getHeight() - listPadding.bottom && 4256637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell incrementalDeltaY <= 0) { 4257458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Don't need to move views up if the bottom of the last position 4258458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // is already visible 4259637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return incrementalDeltaY != 0; 4260458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 42619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4262458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final boolean down = incrementalDeltaY < 0; 42639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4264029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final boolean inTouchMode = isInTouchMode(); 4265029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (inTouchMode) { 4266029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell hideSelector(); 4267029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 42689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int headerViewsCount = getHeaderViewsCount(); 4270458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int footerViewsStart = mItemCount - getFooterViewsCount(); 42719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4272458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int start = 0; 4273458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int count = 0; 42749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4275458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 42768c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int top = -incrementalDeltaY; 42778c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 42788c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell top += listPadding.top; 42798c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 4280458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = 0; i < childCount; i++) { 4281458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 4282458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getBottom() >= top) { 4283458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4284458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4285458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 4286458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 4287458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 4288079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 4289458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4290458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (ViewDebug.TRACE_RECYCLER) { 4291458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.trace(child, 4292458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 4293458034799861fef47e00d85d528b4dac5e00bd51Adam Powell firstPosition + i, -1); 42949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4297458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4298458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 42998c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell int bottom = getHeight() - incrementalDeltaY; 43008c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell if ((mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK) { 43018c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell bottom -= listPadding.bottom; 43028c3e0fc84f69e9fe704dc20dd6c2bab1ce43fe93Adam Powell } 4303458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = childCount - 1; i >= 0; i--) { 4304458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 4305458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getTop() <= bottom) { 4306458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 4307458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 4308458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start = i; 4309458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 4310458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 4311458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 4312079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mRecycler.addScrapView(child, position); 4313458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4314458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (ViewDebug.TRACE_RECYCLER) { 4315458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.trace(child, 4316458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 4317458034799861fef47e00d85d528b4dac5e00bd51Adam Powell firstPosition + i, -1); 43189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4322458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4323458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4324458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMotionViewNewTop = mMotionViewOriginalTop + deltaY; 43259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4326458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = true; 43279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4328458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (count > 0) { 43299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project detachViewsFromParent(start, count); 4330458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 4331458034799861fef47e00d85d528b4dac5e00bd51Adam Powell offsetChildrenTopAndBottom(incrementalDeltaY); 43329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4333458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 4334458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFirstPosition += count; 4335458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 43364e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4337458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 43389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int absIncrementalDeltaY = Math.abs(incrementalDeltaY); 4340458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (spaceAbove < absIncrementalDeltaY || spaceBelow < absIncrementalDeltaY) { 4341458034799861fef47e00d85d528b4dac5e00bd51Adam Powell fillGap(down); 43429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4343458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4344029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (!inTouchMode && mSelectedPosition != INVALID_POSITION) { 43452a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell final int childIndex = mSelectedPosition - mFirstPosition; 43462a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell if (childIndex >= 0 && childIndex < getChildCount()) { 4347079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(mSelectedPosition, getChildAt(childIndex)); 4348079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 4349079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else if (mSelectorPosition != INVALID_POSITION) { 4350079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final int childIndex = mSelectorPosition - mFirstPosition; 4351079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (childIndex >= 0 && childIndex < getChildCount()) { 4352079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn positionSelector(INVALID_POSITION, getChildAt(childIndex)); 43532a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell } 4354079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 4355079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorRect.setEmpty(); 4356029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 4357029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 4358458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = false; 4359458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 4360458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invokeOnItemScrollListener(); 4361458034799861fef47e00d85d528b4dac5e00bd51Adam Powell awakenScrollBars(); 43624e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 4363458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return false; 43649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 43679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of header views in the list. Header views are special views 43689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the top of the list that should not be recycled during a layout. 43699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 43709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of header views, 0 in the default implementation. 43719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 43729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getHeaderViewsCount() { 43739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 43749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 43779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of footer views in the list. Footer views are special views 43789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the bottom of the list that should not be recycled during a layout. 43799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 43809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of footer views, 0 in the default implementation. 43819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 43829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getFooterViewsCount() { 43839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 43849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 43879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the gap left open by a touch-scroll. During a touch scroll, children that 43889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remain on screen are shifted and the other ones are discarded. The role of this 43899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method is to fill the gap thus created by performing a partial layout in the 43909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * empty space. 43919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 43929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param down true if the scroll is going down, false if it is going up 43939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 43949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void fillGap(boolean down); 43959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void hideSelector() { 43979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition != INVALID_POSITION) { 4398ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell if (mLayoutMode != LAYOUT_SPECIFIC) { 4399ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell mResurrectToPosition = mSelectedPosition; 4400ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell } 44019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNextSelectedPosition >= 0 && mNextSelectedPosition != mSelectedPosition) { 44029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mNextSelectedPosition; 44039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 44059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 44069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 4407079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorShowing = false; 44089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A position to select. First we try mSelectedPosition. If that has been clobbered by 44139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * entering touch mode, we then try mResurrectToPosition. Values are pinned to the range 44149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of items available in the adapter 44159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int reconcileSelectedPosition() { 44179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = mSelectedPosition; 44189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position < 0) { 44199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = mResurrectToPosition; 44209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.max(0, position); 44229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.min(position, mItemCount - 1); 44239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 44249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the row closest to y. This row will be used as the motion row when scrolling 44289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Where the user touched 44304cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * @return The position of the first (or only) item in the row containing y 44319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract int findMotionRow(int y); 44339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4435637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * Find the row closest to y. This row will be used as the motion row when scrolling. 4436637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * 4437637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @param y Where the user touched 4438637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell * @return The position of the first (or only) item in the row closest to y 4439637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell */ 4440637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell int findClosestMotionRow(int y) { 4441637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int childCount = getChildCount(); 4442637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (childCount == 0) { 4443637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return INVALID_POSITION; 4444637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4445637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4446637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell final int motionRow = findMotionRow(y); 4447637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell return motionRow != INVALID_POSITION ? motionRow : mFirstPosition + childCount - 1; 4448637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 4449637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 4450637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell /** 44519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Causes all the views to be rebuilt and redrawn. 44529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateViews() { 44549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 44559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 44569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 44579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 44589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44594e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown 44604e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown /** 44614e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown * If there is a selection returns true. 44624e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown * Otherwise resurrects the selection and returns false. 44634e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown */ 44644e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown boolean ensureSelectionOnMovementKey() { 44654e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown if (mSelectedPosition < 0) { 44664e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown resurrectSelection(); 44674e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown return false; 44684e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 44694e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown return true; 44704e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown } 44719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the item at the supplied position selected. 44749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position the position of the new selection 44769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void setSelectionInt(int position); 44789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 44809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempt to bring the selection back if the user is switching from touch 44819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to trackball mode 44829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether selection was set to something. 44839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resurrectSelection() { 44859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 44869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount <= 0) { 44889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 44899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedTop = 0; 44929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedPos; 44939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenTop = mListPadding.top; 44949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenBottom = mBottom - mTop - mListPadding.bottom; 44959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 44969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int toPosition = mResurrectToPosition; 44979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean down = true; 44989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition >= firstPosition && toPosition < firstPosition + childCount) { 45009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = toPosition; 45019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View selected = getChildAt(selectedPos - mFirstPosition); 45039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = selected.getTop(); 45049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedBottom = selected.getBottom(); 45059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are scrolled, don't get in the fade 45079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedTop < childrenTop) { 45089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenTop + getVerticalFadingEdgeLength(); 45099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (selectedBottom > childrenBottom) { 45109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenBottom - selected.getMeasuredHeight() 45119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project - getVerticalFadingEdgeLength(); 45129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 45149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition < firstPosition) { 45159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default to selecting whatever is first 45169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition; 45179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 45189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 45199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 45209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 45229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the position of the first item 45239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we are scrolled at all 45259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition > 0 || top < childrenTop) { 45269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are scrolled, don't select anything that is 45279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the fade region 45289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenTop += getVerticalFadingEdgeLength(); 45299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (top >= childrenTop) { 45329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found a view whose top is fully visisble 45339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 45349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 45369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 45399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int itemCount = mItemCount; 45409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project down = false; 45419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + childCount - 1; 45429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childCount - 1; i >= 0; i--) { 45449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 45459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 45469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = v.getBottom(); 45479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == childCount - 1) { 45499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition + childCount < itemCount || bottom > childrenBottom) { 45519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenBottom -= getVerticalFadingEdgeLength(); 45529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bottom <= childrenBottom) { 45569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 45579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 45589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 45599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 45659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCallbacks(mFlingRunnable); 45664032252c997be9f5d013054dc23ace855007b3a5Adam Powell if (mPositionScroller != null) { 45674032252c997be9f5d013054dc23ace855007b3a5Adam Powell mPositionScroller.stop(); 45684032252c997be9f5d013054dc23ace855007b3a5Adam Powell } 45699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 45709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 45719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = selectedTop; 45729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = lookForSelectablePosition(selectedPos, down); 45739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedPos >= firstPosition && selectedPos <= getLastVisiblePosition()) { 45749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SPECIFIC; 45759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectionInt(selectedPos); 45769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 45779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 45789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = INVALID_POSITION; 45799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 45819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return selectedPos >= 0; 45839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 45869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void handleDataChanged() { 45879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mItemCount; 45889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 45899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newPos; 45919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectablePos; 45939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find the row we are supposed to sync to 45959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNeedSync) { 45969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update this first, since setNextSelectedPositionInt inspects it 45979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 45989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45990785279dad89d90564f42beb2c4620bf387a966eAdam Powell if (mTranscriptMode == TRANSCRIPT_MODE_ALWAYS_SCROLL) { 46009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_FORCE_BOTTOM; 46019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4602da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } else if (mTranscriptMode == TRANSCRIPT_MODE_NORMAL) { 4603da13dbae6fe0619101433ac861da460b8be63a36Adam Powell if (mForceTranscriptScroll) { 4604da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mForceTranscriptScroll = false; 4605da13dbae6fe0619101433ac861da460b8be63a36Adam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 4606da13dbae6fe0619101433ac861da460b8be63a36Adam Powell return; 4607da13dbae6fe0619101433ac861da460b8be63a36Adam Powell } 46080785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int childCount = getChildCount(); 46090785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int listBottom = getBottom() - getPaddingBottom(); 46100785279dad89d90564f42beb2c4620bf387a966eAdam Powell final View lastChild = getChildAt(childCount - 1); 46110785279dad89d90564f42beb2c4620bf387a966eAdam Powell final int lastBottom = lastChild != null ? lastChild.getBottom() : listBottom; 46120785279dad89d90564f42beb2c4620bf387a966eAdam Powell if (mFirstPosition + childCount >= mOldItemCount && lastBottom <= listBottom) { 46130785279dad89d90564f42beb2c4620bf387a966eAdam Powell mLayoutMode = LAYOUT_FORCE_BOTTOM; 46140785279dad89d90564f42beb2c4620bf387a966eAdam Powell return; 46150785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 46160785279dad89d90564f42beb2c4620bf387a966eAdam Powell // Something new came in and we didn't scroll; give the user a clue that 46170785279dad89d90564f42beb2c4620bf387a966eAdam Powell // there's something new. 46180785279dad89d90564f42beb2c4620bf387a966eAdam Powell awakenScrollBars(); 46190785279dad89d90564f42beb2c4620bf387a966eAdam Powell } 46209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mSyncMode) { 46229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_SELECTED_POSITION: 46239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode()) { 46249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We saved our state when not in touch mode. (We know this because 46259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSyncMode is SYNC_SELECTED_POSITION.) Now we are trying to 46269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // restore in touch mode. Just leave mSyncPosition as it is (possibly 46279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // adjusting if the available range changed) and return. 46289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 46299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 46309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we can find a position in the new data with the same 46349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // id as the old selection. This will change mSyncPosition. 46359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = findSyncPosition(); 46369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= 0) { 46379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found it. Now verify that new selection is still selectable 46389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 46399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos == newPos) { 46409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Same row id is selected 46419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = newPos; 46429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSyncHeight == getHeight()) { 46449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are at the same height as when we saved state, try 46459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to restore the scroll position too. 46469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 46479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are not the same height as when the selection was saved, so 46499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't try to restore the exact position 46509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SET_SELECTION; 46519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Restore selection 46549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(newPos); 46559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 46609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_FIRST_POSITION: 46619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Leave mSyncPosition as it is -- just pin to available range 46629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 46639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 46649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode()) { 46709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We couldn't find matching data -- try to use the same position 46719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = getSelectedItemPosition(); 46729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pin position to the available range 46749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= count) { 46759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = count - 1; 46769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos < 0) { 46789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = 0; 46799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we select something selectable -- first look down 46829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 46839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 46859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 46869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Looking down didn't work -- try looking up 46899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, false); 46909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 46919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 46929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 46939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We already know where we want to resurrect the selection 46989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResurrectToPosition >= 0) { 46999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 47009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Nothing is selected. Give up and reset everything. 47069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = mStackFromBottom ? LAYOUT_FORCE_BOTTOM : LAYOUT_FORCE_TOP; 47079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition = INVALID_POSITION; 47089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRowId = INVALID_ROW_ID; 47099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedPosition = INVALID_POSITION; 47109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedRowId = INVALID_ROW_ID; 47119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 4712079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mSelectorPosition = INVALID_POSITION; 47139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkSelectionChanged(); 47149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 471643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy @Override 471743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy protected void onDisplayHint(int hint) { 471843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy super.onDisplayHint(hint); 471943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy switch (hint) { 472043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case INVISIBLE: 472143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 472243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy dismissPopup(); 472343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 472443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 472543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case VISIBLE: 472643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mFiltered && mPopup != null && !mPopup.isShowing()) { 472743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy showPopup(); 472843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 472943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 473043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 473124562487126b48c8ff39a42b76f3705f238da6c8Romain Guy mPopupHidden = hint == INVISIBLE; 473243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 473343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy 47349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the filter window 47369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4737d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void dismissPopup() { 47389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null) { 47399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.dismiss(); 47409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shows the filter window 47459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void showPopup() { 47479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we have a window before showing the popup 47489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getWindowVisibility() == View.VISIBLE) { 47494df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project createTextFilter(true); 4750b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project positionPopup(); 47519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we get focus if we are showing the popup 47529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkFocus(); 47539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4756b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project private void positionPopup() { 47579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int screenHeight = getResources().getDisplayMetrics().heightPixels; 47589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] xy = new int[2]; 47599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getLocationOnScreen(xy); 476024443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // TODO: The 20 below should come from the theme 47619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: And the gravity should be defined in the theme as well 47629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottomGap = screenHeight - xy[1] - getHeight() + (int) (mDensityScale * 20); 4763b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!mPopup.isShowing()) { 47649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 47659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xy[0], bottomGap); 47669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 47679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.update(xy[0], bottomGap, -1, -1); 47689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What is the distance between the source and destination rectangles given the direction of 47739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus navigation between them? The direction basically helps figure out more quickly what is 47749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * self evident by the relationship between the rects... 47759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 47769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source the source rectangle 47779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dest the destination rectangle 47789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction the direction 47799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the distance between the rectangles 47809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static int getDistance(Rect source, Rect dest, int direction) { 47829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sX, sY; // source x, y 47839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dX, dY; // dest x, y 47849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (direction) { 47859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_RIGHT: 47869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.right; 47879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 47889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left; 47899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 47909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 47919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_DOWN: 47929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 47939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.bottom; 47949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 47959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top; 47969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 47979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_LEFT: 47989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left; 47999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 48009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.right; 48019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 48029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_UP: 48049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 48059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top; 48069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 48079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.bottom; 48089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48094e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_FORWARD: 48104e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown case View.FOCUS_BACKWARD: 48114e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sX = source.right + source.width() / 2; 48124e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown sY = source.top + source.height() / 2; 48134e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dX = dest.left + dest.width() / 2; 48144e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown dY = dest.top + dest.height() / 2; 48154e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown break; 48169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 48179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("direction must be one of " 48184e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, " 48194e6319b73c85082e18d1c532b86336ddd1f8cfaaJeff Brown + "FOCUS_FORWARD, FOCUS_BACKWARD}."); 48209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaX = dX - sX; 48229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY = dY - sY; 48239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return deltaY * deltaY + deltaX * deltaX; 48249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 48279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isInFilterMode() { 48289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 48299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 48329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sends a key to the text filter window 48339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 48349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param keyCode The keycode for the event 48359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param event The actual key event 48369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 48379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the text filter handled the event, false otherwise. 48389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 48399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean sendToTextFilter(int keyCode, int count, KeyEvent event) { 4840b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!acceptFilter()) { 48419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 48429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 48459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean okToSend = true; 48469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 48479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 48489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 48499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 48509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 48519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 48529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 48539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 48549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_BACK: 485683fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn if (mFiltered && mPopup != null && mPopup.isShowing()) { 48578d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn if (event.getAction() == KeyEvent.ACTION_DOWN 48588d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn && event.getRepeatCount() == 0) { 4859b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown KeyEvent.DispatcherState state = getKeyDispatcherState(); 4860b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown if (state != null) { 4861b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown state.startTracking(event, this); 4862b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown } 486383fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 486483fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } else if (event.getAction() == KeyEvent.ACTION_UP 486583fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn && event.isTracking() && !event.isCanceled()) { 486683fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 486783fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn mTextFilter.setText(""); 486883fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } 48699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 48719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_SPACE: 48739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only send spaces once we are filtered 4874cf6c5720a759709db69f253c36646d22ceb23f90Romain Guy okToSend = mFiltered; 48759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4878b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (okToSend) { 48799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(true); 48809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent forwardEvent = event; 48829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (forwardEvent.getRepeatCount() > 0) { 4883105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project forwardEvent = KeyEvent.changeTimeRepeat(event, event.getEventTime(), 0); 48849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 48879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (action) { 48889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_DOWN: 48899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyDown(keyCode, forwardEvent); 48909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_UP: 48939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyUp(keyCode, forwardEvent); 48949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_MULTIPLE: 48979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyMultiple(keyCode, count, event); 48989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 48999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 49029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4905b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * Return an InputConnection for editing of the filter text. 4906b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 4907b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 4908b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 4909c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (isTextFilterEnabled()) { 4910c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // XXX we need to have the text filter created, so we can get an 4911c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // InputConnection to proxy to. Unfortunately this means we pretty 4912c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // much need to make it as soon as a list view gets focus. 4913c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project createTextFilter(false); 49141bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (mPublicInputConnection == null) { 49151bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mDefInputConnection = new BaseInputConnection(this, false); 49161bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mPublicInputConnection = new InputConnectionWrapper( 49171bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mTextFilter.onCreateInputConnection(outAttrs), true) { 49181bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 49191bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean reportFullscreenMode(boolean enabled) { 49201bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // Use our own input connection, since it is 49211bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // the "real" one the IME is talking with. 49221bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mDefInputConnection.reportFullscreenMode(enabled); 49231bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49241bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 49251bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 49261bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean performEditorAction(int editorAction) { 49271bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // The editor is off in its own window; we need to be 49281bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // the one that does this. 49291bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (editorAction == EditorInfo.IME_ACTION_DONE) { 49301bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn InputMethodManager imm = (InputMethodManager) 49311bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn getContext().getSystemService( 49321bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn Context.INPUT_METHOD_SERVICE); 49331bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (imm != null) { 49341bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn imm.hideSoftInputFromWindow(getWindowToken(), 0); 49351bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49361bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return true; 49371bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49381bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return false; 49391bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49401bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 49411bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 49421bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean sendKeyEvent(KeyEvent event) { 49431bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // Use our own input connection, since the filter 49441bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // text view may not be shown in a window so has 49451bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // no ViewRoot to dispatch events with. 49461bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mDefInputConnection.sendKeyEvent(event); 49471bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49481bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn }; 49491bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 49501bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.inputType = EditorInfo.TYPE_CLASS_TEXT 49511bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn | EditorInfo.TYPE_TEXT_VARIATION_FILTER; 49521bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE; 49531bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mPublicInputConnection; 4954c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project } 4955c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project return null; 4956b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 49570a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4958b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 4959b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * For filtering we proxy an input connection to an internal text editor, 4960b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * and this allows the proxying to happen. 4961b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 4962b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 4963b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public boolean checkInputConnectionProxy(View view) { 4964b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project return view == mTextFilter; 4965b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 49660a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4967b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 49689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the window for the text filter and populates it with an EditText field; 49699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animateEntrance true if the window should appear with an animation 49719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 49729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createTextFilter(boolean animateEntrance) { 49739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 49749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context c = getContext(); 49759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow p = new PopupWindow(c); 49764df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project LayoutInflater layoutInflater = (LayoutInflater) 49774df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project c.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 49789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter = (EditText) layoutInflater.inflate( 49799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.layout.typing_filter, null); 4980b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // For some reason setting this as the "real" input type changes 4981b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // the text view in some way that it doesn't work, and I don't 4982b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // want to figure out why this is. 4983b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project mTextFilter.setRawInputType(EditorInfo.TYPE_CLASS_TEXT 4984b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project | EditorInfo.TYPE_TEXT_VARIATION_FILTER); 4985105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project mTextFilter.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI); 49869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.addTextChangedListener(this); 49879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setFocusable(false); 49889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setTouchable(false); 49899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 49909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setContentView(mTextFilter); 49919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setWidth(LayoutParams.WRAP_CONTENT); 49929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setHeight(LayoutParams.WRAP_CONTENT); 49939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setBackgroundDrawable(null); 49949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup = p; 49959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getViewTreeObserver().addOnGlobalLayoutListener(this); 4996d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = true; 49979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animateEntrance) { 49999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilter); 50009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilterRestore); 50029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear the text filter. 50079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearTextFilter() { 50099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 50109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(""); 50119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 50129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null && mPopup.isShowing()) { 50139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 50149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns if the ListView currently has a text filter. 50209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasTextFilter() { 50229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 50239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onGlobalLayout() { 50269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isShown()) { 50279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the popup if we are filtered 502824562487126b48c8ff39a42b76f3705f238da6c8Romain Guy if (mFiltered && mPopup != null && !mPopup.isShowing() && !mPopupHidden) { 50299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 50309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Hide the popup when we are no longer visible 503343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 50349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 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 50409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50411bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 50421bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 50439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beforeTextChanged(CharSequence s, int start, int count, int after) { 50459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50481bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Performs 50491bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * the actual filtering as the text changes, and takes care of hiding and 50501bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * showing the popup displaying the currently entered filter text. 50519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTextChanged(CharSequence s, int start, int before, int count) { 5053c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (mPopup != null && isTextFilterEnabled()) { 50549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = s.length(); 50559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean showing = mPopup.isShowing(); 50569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!showing && length > 0) { 50579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the filter popup if necessary 50589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 50599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 50609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (showing && length == 0) { 50619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the filter popup if the user has cleared all text 50621bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn dismissPopup(); 50639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 50649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 50669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 50679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Filter should not be null when we reach this part 50689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (f != null) { 50699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(s, this); 50709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 50719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("You cannot call onTextChanged with a non " 50729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "filterable adapter"); 50739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 50791bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 50801bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 50819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void afterTextChanged(Editable s) { 50839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onFilterComplete(int count) { 50869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition < 0 && count > 0) { 50879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 50889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 50899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 50939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 50949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(p); 50959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 50989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 50999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AbsListView.LayoutParams(getContext(), attrs); 51009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 51039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 51049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p instanceof AbsListView.LayoutParams; 51059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts the list or grid into transcript mode. In this mode the list or grid will always scroll 51099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the bottom to show new items. 51109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the transcript mode to set 51129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_DISABLED 51149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_NORMAL 51159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_ALWAYS_SCROLL 51169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTranscriptMode(int mode) { 51189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTranscriptMode = mode; 51199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current transcript mode. 51239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #TRANSCRIPT_MODE_DISABLED}, {@link #TRANSCRIPT_MODE_NORMAL} or 51259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #TRANSCRIPT_MODE_ALWAYS_SCROLL} 51269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTranscriptMode() { 51289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTranscriptMode; 51299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 51329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSolidColor() { 51339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 51349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 51385be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * on top of a solid, single-color, opaque background. 51395be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * 51405be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * Zero means that what's behind this object is translucent (non solid) or is not made of a 51415be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * single color. This hint will not affect any existing background drawable set on this view ( 51425be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * typically set via {@link #setBackgroundDrawable(Drawable)}). 51439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color The background color 51459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCacheColorHint(int color) { 514752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (color != mCacheColorHint) { 514852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mCacheColorHint = color; 514952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy int count = getChildCount(); 515052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; i++) { 515152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy getChildAt(i).setDrawingCacheBackgroundColor(color); 515252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 515352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mRecycler.setCacheColorHint(color); 515452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 51559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 51599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on top of a solid, single-color, opaque background 51609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The cache color hint 51629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCacheColorHint() { 51649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 51659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 51689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views (excluding headers and footers) held by this AbsListView into the supplied 51699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List. This includes views displayed on the screen as well as views stored in AbsListView's 51709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal view recycler. 51719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 51729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param views A list into which to put the reclaimed views 51739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 51749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reclaimViews(List<View> views) { 51759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childCount = getChildCount(); 51769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RecyclerListener listener = mRecycler.mRecyclerListener; 51779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reclaim views on screen 51799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 51809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 518113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 51829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reclaim header or footer views, or views that should be ignored 51839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp != null && mRecycler.shouldRecycleViewType(lp.viewType)) { 51849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 51859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (listener != null) { 51869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend they went through the scrap heap 51879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onMovedToScrapHeap(child); 51889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.reclaimScrapViews(views); 51929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 51939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 519613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 519713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 519813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 519913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean onConsistencyCheck(int consistency) { 520013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.onConsistencyCheck(consistency); 520113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 520213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkLayout = (consistency & ViewDebug.CONSISTENCY_LAYOUT) != 0; 520313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 520413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkLayout) { 520513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // The active recycler must be empty 520613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] activeViews = mRecycler.mActiveViews; 520713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy int count = activeViews.length; 520813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 520913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (activeViews[i] != null) { 521013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 521152964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 521213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "AbsListView " + this + " has a view in its active recycler: " + 521313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy activeViews[i]); 521413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 521513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 521613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 521713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // All views in the recycler must NOT be on screen and must NOT have a parent 521813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ArrayList<View> scrap = mRecycler.mCurrentScrap; 521913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!checkScrap(scrap)) result = false; 522013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ArrayList<View>[] scraps = mRecycler.mScrapViews; 522113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy count = scraps.length; 522213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 522313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!checkScrap(scraps[i])) result = false; 522413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 522513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 522613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 522713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 522813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 522913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 523013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy private boolean checkScrap(ArrayList<View> scrap) { 523113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (scrap == null) return true; 523213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = true; 523313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 523413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = scrap.size(); 523513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 523613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View view = scrap.get(i); 523713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (view.getParent() != null) { 523813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 523952964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, "AbsListView " + this + 524013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy " has a view in its scrap heap still attached to a parent: " + view); 524113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 524213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (indexOfChild(view) >= 0) { 524313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 524452964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, "AbsListView " + this + 524513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy " has a view in its scrap heap that is also a direct child: " + view); 524613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 524713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 524813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 524913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 525013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 525113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 5252637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell private void finishGlows() { 5253637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell if (mEdgeGlowTop != null) { 5254637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowTop.finish(); 5255637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell mEdgeGlowBottom.finish(); 5256637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5257637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell } 5258637d337b58d8eec6de19230a5dd5ca5581c0478dAdam Powell 525913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 5260499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Sets up this AbsListView to use a remote views adapter which connects to a RemoteViewsService 5261499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * through the specified intent. 5262499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * @param intent the intent used to identify the RemoteViewsService for the adapter to connect to. 5263499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 5264499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void setRemoteViewsAdapter(Intent intent) { 52659b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 52669b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // service handling the specified intent. 52673ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (mRemoteAdapter != null) { 52683ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcNew = new Intent.FilterComparison(intent); 52693ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcOld = new Intent.FilterComparison( 52703ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung mRemoteAdapter.getRemoteViewsServiceIntent()); 52713ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (fcNew.equals(fcOld)) { 52723ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung return; 52733ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung } 52749b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung } 52759b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung 52769b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Otherwise, create a new RemoteViewsAdapter for binding 5277499cb9f516062b654952d282f211bee44c31a3c2Winson Chung mRemoteAdapter = new RemoteViewsAdapter(getContext(), intent, this); 5278499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5279499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 5280499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 5281499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter connects to the RemoteViewsService. 5282499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 5283499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterConnected() { 5284499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (mRemoteAdapter != mAdapter) { 5285499cb9f516062b654952d282f211bee44c31a3c2Winson Chung setAdapter(mRemoteAdapter); 5286fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen } else if (mRemoteAdapter != null) { 5287fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen mRemoteAdapter.superNotifyDataSetChanged(); 5288499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5289499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5290499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 5291499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 5292499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter disconnects from the RemoteViewsService. 5293499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 5294499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterDisconnected() { 5295fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // If the remote adapter disconnects, we keep it around 5296fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // since the currently displayed items are still cached. 5297fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // Further, we want the service to eventually reconnect 5298fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // when necessary, as triggered by this view requesting 5299fb60386b46d0c6216c765c10bd33ac42ca780917Adam Cohen // items from the Adapter. 5300499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 5301499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 5302499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 53039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the recycler listener to be notified whenever a View is set aside in 53049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the recycler for later reuse. This listener can be used to free resources 53059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to the View. 53069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 53079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The recycler listener to be notified of views set aside 53089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the recycler. 53099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 53109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 53119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 53129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRecyclerListener(RecyclerListener listener) { 53149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.mRecyclerListener = listener; 53159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5318f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * A MultiChoiceModeListener receives events for {@link AbsListView#CHOICE_MODE_MULTIPLE_MODAL}. 5319f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * It acts as the {@link ActionMode.Callback} for the selection mode and also receives 5320f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #onItemCheckedStateChanged(ActionMode, int, long, boolean)} events when the user 5321f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selects and deselects list items. 5322f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 5323f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public interface MultiChoiceModeListener extends ActionMode.Callback { 5324f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 5325f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Called when an item is checked or unchecked during selection mode. 5326f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 5327f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param mode The {@link ActionMode} providing the selection mode 5328f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position Adapter position of the item that was checked or unchecked 5329f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param id Adapter ID of the item that was checked or unchecked 5330f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param checked <code>true</code> if the item is now checked, <code>false</code> 5331f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the item is now unchecked. 5332f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 5333f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 5334f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked); 5335f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5336f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5337f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell class MultiChoiceModeWrapper implements MultiChoiceModeListener { 5338f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell private MultiChoiceModeListener mWrapped; 5339f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5340f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setWrapped(MultiChoiceModeListener wrapped) { 5341f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped = wrapped; 5342f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5343f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5344f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onCreateActionMode(ActionMode mode, Menu menu) { 5345f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mWrapped.onCreateActionMode(mode, menu)) { 5346f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Initialize checked graphic state? 5347f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(false); 5348f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 5349f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5350f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 5351f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5352f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5353f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 5354f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onPrepareActionMode(mode, menu); 5355f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5356f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5357f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 5358f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onActionItemClicked(mode, item); 5359f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5360f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5361f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onDestroyActionMode(ActionMode mode) { 5362f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onDestroyActionMode(mode); 5363f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 5364f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5365f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Ending selection mode means deselecting everything. 5366f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 5367f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5368f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 5369f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 5370f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 5371f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5372f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 5373f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5374f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5375f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 5376f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked) { 5377f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onItemCheckedStateChanged(mode, position, id, checked); 5378f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5379f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // If there are no items selected we no longer need the selection mode. 5380f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (getCheckedItemCount() == 0) { 5381f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mode.finish(); 5382f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5383f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5384f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 5385f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 5386f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 53879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AbsListView extends LayoutParams to provide a place to hold the view type. 53889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams extends ViewGroup.LayoutParams { 53909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 53919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View type for this view, as returned by 53929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.Adapter#getItemViewType(int) } 53939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5394bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list", mapping = { 53959bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_IGNORE, to = "ITEM_VIEW_TYPE_IGNORE"), 53969bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_HEADER_OR_FOOTER, to = "ITEM_VIEW_TYPE_HEADER_OR_FOOTER") 53979bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell }) 53989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType; 53999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54004df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 54014df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * When this boolean is set, the view has been added to the AbsListView 54024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * at least once. It is used to know whether headers/footers have already 54034df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * been added to the list view and whether they should be treated as 54044df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * recycled views or not. 54054df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 5406bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 54074df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project boolean recycledHeaderFooter; 54084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 54090bf88594c43ced48d862d122e3e84967b3b63658Romain Guy /** 54100bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * When an AbsListView is measured with an AT_MOST measure spec, it needs 54110bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * to obtain children views to measure itself. When doing so, the children 54120bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * are not attached to the window, but put in the recycler which assumes 54130bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * they've been attached before. Setting this flag will force the reused 54140bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * view to be attached to the window rather than just attached to the 54150bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * parent. 54160bf88594c43ced48d862d122e3e84967b3b63658Romain Guy */ 5417bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 54180bf88594c43ced48d862d122e3e84967b3b63658Romain Guy boolean forceAdd; 54190bf88594c43ced48d862d122e3e84967b3b63658Romain Guy 5420079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 5421079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * The position the view was removed from when pulled out of the 5422079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * scrap heap. 5423079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @hide 5424079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 5425079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int scrappedFromPosition; 5426079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 54279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 54289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(c, attrs); 54299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h) { 54329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 54339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h, int viewType) { 54369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 54379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.viewType = viewType; 54389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 54419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 54429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A RecyclerListener is used to receive a notification whenever a View is placed 54479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the RecycleBin's scrap heap. This listener is used to free resources 54489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to Views placed in the RecycleBin. 54499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 54509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 54519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 54529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static interface RecyclerListener { 54549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the specified View was moved into the recycler's scrap heap. 54569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not displayed on screen any more and any expensive resource 54579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated with the view should be discarded. 54589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 54599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view 54609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMovedToScrapHeap(View view); 54629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The RecycleBin facilitates reuse of views across layouts. The RecycleBin has two levels of 54669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage: ActiveViews and ScrapViews. ActiveViews are those views which were onscreen at the 54679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of a layout. By construction, they are displaying current information. At the end of 54689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, all views in ActiveViews are demoted to ScrapViews. ScrapViews are old views that 54699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could potentially be used by the adapter to avoid allocating views unnecessarily. 54709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 54719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 54729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 54739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class RecycleBin { 54759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RecyclerListener mRecyclerListener; 54769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the first view stored in mActiveViews. 54799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFirstActivePosition; 54819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views that were on screen at the start of layout. This array is populated at the start of 54849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, and at the end of layout all view in mActiveViews are moved to mScrapViews. 54859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views in mActiveViews represent a contiguous range of Views, with position of the first 54869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view store in mFirstActivePosition. 54879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mActiveViews = new View[0]; 54899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 54919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unsorted views that can be used by the adapter as a convert view. 54929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View>[] mScrapViews; 54949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewTypeCount; 54969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View> mCurrentScrap; 54989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewTypeCount(int viewTypeCount) { 55009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (viewTypeCount < 1) { 55019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Can't have a viewTypeCount < 1"); 55029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 55049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View>[] scrapViews = new ArrayList[viewTypeCount]; 55059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; i++) { 55069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews[i] = new ArrayList<View>(); 55079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewTypeCount = viewTypeCount; 55099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap = scrapViews[0]; 55109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews = scrapViews; 55119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55124e30d89ceda832300f80bf73f4f58cd2b51bf112Mindy Pereira 5513f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell public void markChildrenDirty() { 5514f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (mViewTypeCount == 1) { 5515f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mCurrentScrap; 5516f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 5517f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < scrapCount; i++) { 5518f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(i).forceLayout(); 5519f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5520f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } else { 5521f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int typeCount = mViewTypeCount; 5522f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < typeCount; i++) { 5523f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mScrapViews[i]; 5524f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 5525f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int j = 0; j < scrapCount; j++) { 5526f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(j).forceLayout(); 5527f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5528f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5529f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 5530f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 55310a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 55329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldRecycleViewType(int viewType) { 55339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return viewType >= 0; 55349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clears the scrap heap. 55389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 55409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 55419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mCurrentScrap; 55429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 55439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < scrapCount; i++) { 55449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - i), false); 55459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 55479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int typeCount = mViewTypeCount; 55489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < typeCount; i++) { 55499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mScrapViews[i]; 55509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 55519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < scrapCount; j++) { 55529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - j), false); 55539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill ActiveViews with all of the children of the AbsListView. 55609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childCount The minimum number of views mActiveViews should hold 55629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstActivePosition The position of the first view that will be stored in 55639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews 55649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void fillActiveViews(int childCount, int firstActivePosition) { 55669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActiveViews.length < childCount) { 55679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActiveViews = new View[childCount]; 55689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition = firstActivePosition; 55709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 55729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 55739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 55749c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 55759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views into the scrap heap 55769c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy if (lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 55779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note: We do place AdapterView.ITEM_VIEW_TYPE_IGNORE in active views. 55789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // However, we will NOT place them into scrap views. 55794df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project activeViews[i] = child; 55809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 55859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the view corresponding to the specified position. The view will be removed from 55869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews if it is found. 55879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 55889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to look up in mActiveViews 55899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The view if it is found, null otherwise 55909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getActiveView(int position) { 55929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = position - mFirstActivePosition; 55939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 55949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >=0 && index < activeViews.length) { 55959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View match = activeViews[index]; 55969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[index] = null; 55979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return match; 55989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 56009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view from the ScrapViews collection. These are unordered. 56049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getScrapView(int position) { 56069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 5607079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mCurrentScrap, position); 56089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 56099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int whichScrap = mAdapter.getItemViewType(position); 56109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whichScrap >= 0 && whichScrap < mScrapViews.length) { 5611079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return retrieveFromScrap(mScrapViews[whichScrap], position); 56129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 56159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Put a view into the ScapViews list. These views are unordered. 56199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 56209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrap The view to add 56219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5622079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void addScrapView(View scrap, int position) { 56239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AbsListView.LayoutParams lp = (AbsListView.LayoutParams) scrap.getLayoutParams(); 56249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp == null) { 56259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 56269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views or views that should be ignored 56299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // into the scrap heap 56309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType = lp.viewType; 56319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldRecycleViewType(viewType)) { 56329b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 56339b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(scrap, false); 56349b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 56359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 56369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5638079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn lp.scrappedFromPosition = position; 5639079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 56409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 5641a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy scrap.dispatchStartTemporaryDetach(); 56429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap.add(scrap); 56439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5644a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy scrap.dispatchStartTemporaryDetach(); 56459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews[viewType].add(scrap); 56469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRecyclerListener != null) { 56499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(scrap); 56509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views remaining in mActiveViews to mScrapViews. 56559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void scrapActiveViews() { 56579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 56589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasListener = mRecyclerListener != null; 56599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean multipleScraps = mViewTypeCount > 1; 56609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> scrapViews = mCurrentScrap; 56629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = activeViews.length; 5663a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = count - 1; i >= 0; i--) { 56649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View victim = activeViews[i]; 56659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (victim != null) { 5666079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final AbsListView.LayoutParams lp 5667079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn = (AbsListView.LayoutParams) victim.getLayoutParams(); 5668079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int whichScrap = lp.viewType; 56699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[i] = null; 56719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56729b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (!shouldRecycleViewType(whichScrap)) { 56739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do not move views that should be ignored 56749b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (whichScrap != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 56759b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(victim, false); 56769b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 56779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 56789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (multipleScraps) { 56819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews = mScrapViews[whichScrap]; 56829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5683a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy victim.dispatchStartTemporaryDetach(); 5684079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn lp.scrappedFromPosition = mFirstActivePosition + i; 56859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews.add(victim); 56869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasListener) { 56889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(victim); 56899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 56929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(victim, 56939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.RecyclerTraceType.MOVE_FROM_ACTIVE_TO_SCRAP_HEAP, 56949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition + i, -1); 56959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pruneScrapViews(); 57009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes sure that the size of mScrapViews does not exceed the size of mActiveViews. 57049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (This can happen if an adapter does not recycle its views). 57059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 57069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void pruneScrapViews() { 57079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int maxViews = mActiveViews.length; 57089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 57099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 57109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 57119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 57129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapPile.size(); 57139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int extras = size - maxViews; 57149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size--; 57159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < extras; j++) { 57169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrapPile.remove(size--), false); 57179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts all views in the scrap heap into the supplied list. 57239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 57249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reclaimScrapViews(List<View> views) { 57259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 57269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(mCurrentScrap); 57279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 57289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 57299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 57309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 57319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 57329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(scrapPile); 57339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 573652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy 573752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy /** 573852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * Updates the cache color hint of all known views. 573952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * 574052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * @param color The new cache color hint. 574152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy */ 574252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy void setCacheColorHint(int color) { 574352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (mViewTypeCount == 1) { 574452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mCurrentScrap; 574552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 574652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < scrapCount; i++) { 574752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy scrap.get(i).setDrawingCacheBackgroundColor(color); 574852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 574952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } else { 575052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int typeCount = mViewTypeCount; 575152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < typeCount; i++) { 575252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mScrapViews[i]; 575352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 575452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int j = 0; j < scrapCount; j++) { 5755266e05179cc8f5fe6324510aa54bb8c1779d2f6cRomain Guy scrap.get(j).setDrawingCacheBackgroundColor(color); 575652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 575752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 575852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 575952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy // Just in case this is called during a layout pass 576052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View[] activeViews = mActiveViews; 576152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int count = activeViews.length; 576252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; ++i) { 576352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View victim = activeViews[i]; 576452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (victim != null) { 576552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy victim.setDrawingCacheBackgroundColor(color); 576652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 576752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 576852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 57699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5770079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 5771079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn static View retrieveFromScrap(ArrayList<View> scrapViews, int position) { 5772079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int size = scrapViews.size(); 5773079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (size > 0) { 5774079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // See if we still have a view for this position. 5775079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn for (int i=0; i<size; i++) { 5776079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn View view = scrapViews.get(i); 5777079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (((AbsListView.LayoutParams)view.getLayoutParams()) 5778079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn .scrappedFromPosition == position) { 5779079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn scrapViews.remove(i); 5780079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return view; 5781079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5782079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5783079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return scrapViews.remove(size - 1); 5784079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 5785079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return null; 5786079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 5787079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 57889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5789