AbsListView.java revision 299acb581205b6574bfa91824b1b887e265c4c40
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; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.TransitionDrawable; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Editable; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextWatcher; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 3652964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunneimport android.util.Log; 37f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.util.LongSparseArray; 38f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.util.SparseBooleanArray; 39f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.ActionMode; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.HapticFeedbackConstants; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 44f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.Menu; 45f343e1ba7e796120eefa917dbf78348feea98e11Adam Powellimport android.view.MenuItem; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.VelocityTracker; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewConfiguration; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewDebug; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 53299acb581205b6574bfa91824b1b887e265c4c40Marc Blankimport android.view.ContextMenu.ContextMenuInfo; 541bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.BaseInputConnection; 55b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.EditorInfo; 56b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Projectimport android.view.inputmethod.InputConnection; 571bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackbornimport android.view.inputmethod.InputConnectionWrapper; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.inputmethod.InputMethodManager; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 64d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Base class that can be used to implement virtualized lists of items. A list does 65d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * not have a spatial definition here. For instance, subclases of this class can 66d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * display the content of the list in a grid, in a carousel, as stack, etc. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_stackFromBottom 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_scrollingCache 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_textFilterEnabled 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_transcriptMode 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_cacheColorHint 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_fastScrollEnabled 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 77f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @attr ref android.R.styleable#AbsListView_choiceMode 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class AbsListView extends AdapterView<ListAdapter> implements TextWatcher, 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewTreeObserver.OnGlobalLayoutListener, Filter.FilterListener, 81499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ViewTreeObserver.OnTouchModeChangeListener, 82499cb9f516062b654952d282f211bee44c31a3c2Winson Chung RemoteViewsAdapter.RemoteAdapterConnectionCallback { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disables the transcript mode. 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_DISABLED = 0; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom when a data set change 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * notification is received and only if the last item is already visible 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on screen. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_NORMAL = 1; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list will automatically scroll to the bottom, no matter what items 1000a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * are currently visible. 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTranscriptMode(int) 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TRANSCRIPT_MODE_ALWAYS_SCROLL = 2; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that we are not in the middle of a touch gesture 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_REST = -1; 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The 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 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scroll gesture. 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DOWN = 0; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch has been recognized as a tap and we are now waiting to see if the touch 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a longpress 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_TAP = 1; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates we have waited for everything we can wait for, but the user's finger is still down 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_DONE_WAITING = 2; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the touch gesture is a scroll 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_SCROLL = 3; 13279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates the view is in the process of being flung 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TOUCH_MODE_FLING = 4; 1370a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Regular layout - usually an unsolicited layout from the view system 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_NORMAL = 0; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the first item 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_TOP = 1; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Force the selected item to be on somewhere on the screen 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SET_SELECTION = 2; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Show the last item 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_FORCE_BOTTOM = 3; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make a mSelectedItem appear in a specific location and build the rest of 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the views from there. The top is specified by mSpecificTop. 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SPECIFIC = 4; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout to sync as a result of a data change. Restore mSyncPosition to have its top 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at mSpecificTop 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_SYNC = 5; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Layout as a result of using the navigation keys 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int LAYOUT_MOVE_SELECTION = 6; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 176f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Normal list that does not indicate choices 177f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 178f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_NONE = 0; 179f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 180f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 181f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows up to one choice 182f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 183f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_SINGLE = 1; 184f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 185f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 186f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices 187f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 188f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE = 2; 189f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 190f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 191f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * The list allows multiple choices in a modal selection mode 192f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 193f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public static final int CHOICE_MODE_MULTIPLE_MODAL = 3; 194f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 195f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 196f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls if/how the user may choose/check items in the list 197f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 198f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mChoiceMode = CHOICE_MODE_NONE; 199f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 200f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 201f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Controls CHOICE_MODE_MULTIPLE_MODAL. null when inactive. 202f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 203f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ActionMode mChoiceActionMode; 204f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 205f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Wrapper for the multiple choice mode callback; AbsListView needs to perform 207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * a few extra actions around what application code does. 208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 209f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell MultiChoiceModeWrapper mMultiChoiceModeCallback; 210f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 211f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 212f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running count of how many items are currently checked 213f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 214f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int mCheckedItemCount; 215f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 216f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 217f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which positions are currently checked 218f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 219f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray mCheckStates; 220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 222f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Running state of which IDs are currently checked 223f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 224f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell LongSparseArray<Boolean> mCheckedIdStates; 225f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 226f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls how the next layout will happen 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLayoutMode = LAYOUT_NORMAL; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be used by subclasses to listen to changes in the dataset 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AdapterDataSetObserver mDataSetObserver; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The adapter containing the data to be displayed by this view 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListAdapter mAdapter; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 242499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * The remote adapter containing the data to be displayed by this view to be set 243499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 244499cb9f516062b654952d282f211bee44c31a3c2Winson Chung private RemoteViewsAdapter mRemoteAdapter; 245499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 246499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list selector should be drawn on top of the children or behind 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mDrawSelectorOnTop = false; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The drawable used to draw the selector 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable mSelector; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the selector's location and dimension at drawing time 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mSelectorRect = new Rect(); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The data set used to store unused views that should be reused during the next layout 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to avoid creating new ones 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RecycleBin mRecycler = new RecycleBin(); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's left padding 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionLeftPadding = 0; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's top padding 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionTopPadding = 0; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's right padding 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionRightPadding = 0; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The selection's bottom padding 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectionBottomPadding = 0; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view's padding 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mListPadding = new Rect(); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses must retain their measure spec from onMeasure() into this member 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mWidthMeasureSpec = 0; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top scroll indicator 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollUp; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The down scroll indicator 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mScrollDown; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the view is scrolling, this flag is set to true to indicate subclasses that 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the drawing cache was enabled on the children 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCachingStarted; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the view that received the down motion event 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionPosition; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset to the top of the mMotionPosition view when the down motion event was received 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewOriginalTop; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The desired offset to the top of the mMotionPosition view after a scroll 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionViewNewTop; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The X value associated with the the down motion event 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionX; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Y value associated with the the down motion event 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionY; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * One of TOUCH_MODE_REST, TOUCH_MODE_DOWN, TOUCH_MODE_TAP, TOUCH_MODE_SCROLL, or 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TOUCH_MODE_DONE_WAITING 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mTouchMode = TOUCH_MODE_REST; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value from on the previous motion event (if any) 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLastY; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How far the finger moved before we started scrolling 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMotionCorrection; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determines speed during touch scrolling 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VelocityTracker mVelocityTracker; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Handles one frame of a fling 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FlingRunnable mFlingRunnable; 363458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 364458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 365458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Handles scrolling between positions within the list. 366458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 367458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private PositionScroller mPositionScroller; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The offset in pixels form the top of the AdapterView to the top 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the currently selected view. Used to save and restore state. 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSelectedTop = 0; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the list is stacked from the bottom edge or 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the top edge. 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStackFromBottom; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to true, the list automatically discards the children's 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bitmap cache after scrolling. 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mScrollingCacheEnabled; 3860a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Whether or not to enable the fast scroll feature on this list 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mFastScrollEnabled; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Optional callback to notify client when scroll position has changed 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnScrollListener mOnScrollListener; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Keeps track of our accessory window 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow mPopup; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used with type filter window 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EditText mTextFilter; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether to use pixels-based or position-based scrollbar 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * properties. 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSmoothScrollbarEnabled = true; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view supports filtering 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTextFilterEnabled; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this view is currently displaying a filtered view of the data 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFiltered; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rectangle used for hit testing children 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTouchFrame; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position to resurrect the selected position to. 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mResurrectToPosition = INVALID_POSITION; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContextMenuInfo mContextMenuInfo = null; 4340b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell 4350b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell /** 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to request a layout when we changed touch mode 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_UNKNOWN = -1; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_ON = 0; 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int TOUCH_MODE_OFF = 1; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastTouchMode = TOUCH_MODE_UNKNOWN; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_SCROLLING = false; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mScrollProfilingStarted = false; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean PROFILE_FLINGING = false; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFlingProfilingStarted = false; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForLongPress runnable we posted, if any 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForLongPress mPendingCheckForLongPress; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForTap runnable we posted, if any 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable mPendingCheckForTap; 4590a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last CheckForKeyLongPress runnable we posted, if any 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CheckForKeyLongPress mPendingCheckForKeyLongPress; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Acts upon click 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AbsListView.PerformClick mPerformClick; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view is in transcript mode -- it shows the bottom of the list when the data 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changes 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mTranscriptMode; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that this list is always drawn on top of a solid, single-color, opaque 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * background 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCacheColorHint; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The select child's view (from the adapter's getView) is enabled. 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsChildViewEnabled; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The last scroll state reported to clients through {@link OnScrollListener}. 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper object that renders and controls the fast scroll thumb. 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FastScroller mFastScroller; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 497d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private boolean mGlobalLayoutListenerAddedFilter; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private int mTouchSlop; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mDensityScale; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5021bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnection mDefInputConnection; 5031bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn private InputConnectionWrapper mPublicInputConnection; 5046dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5056dfed24158b8fc9150abee23992db621cd82aa43Romain Guy private Runnable mClearScrollingCache; 5064296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMinimumVelocity; 5074296fc4d326447875c26a925f12b3935632f13bbRomain Guy private int mMaximumVelocity; 50821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy private float mVelocityScale = 1.0f; 50921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 51021875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy final boolean[] mIsScrap = new boolean[1]; 51124562487126b48c8ff39a42b76f3705f238da6c8Romain Guy 51224562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // True when the popup should be hidden because of a call to 51324562487126b48c8ff39a42b76f3705f238da6c8Romain Guy // dispatchDisplayHint() 51424562487126b48c8ff39a42b76f3705f238da6c8Romain Guy private boolean mPopupHidden; 5154cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 5164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 5174cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * ID of the active pointer. This is used to retain consistency during 5184cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * drags/flings if multiple pointers are used. 5194cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 5204cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private int mActivePointerId = INVALID_POINTER; 5214cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 5224cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell /** 5234cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Sentinel value for no current active pointer. 5244cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * Used by {@link #mActivePointerId}. 5254cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell */ 5264cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private static final int INVALID_POINTER = -1; 5276dfed24158b8fc9150abee23992db621cd82aa43Romain Guy 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the list or grid 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has been scrolled. 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnScrollListener { 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not scrolling. Note navigating the list using the trackball counts as 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being in the idle state since these transitions are not animated. 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_IDLE = 0; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user is scrolling using touch, and their finger is still on the screen 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_TOUCH_SCROLL = 1; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user had previously been scrolling using touch and had performed a fling. The 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation is now coasting to a stop 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int SCROLL_STATE_FLING = 2; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked while the list view or grid view is being scrolled. If the 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view is being scrolled, this method will be called before the next frame of the scroll is 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rendered. In particular, it will be called before any calls to 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Adapter#getView(int, View, ViewGroup)}. 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrollState The current scroll state. One of {@link #SCROLL_STATE_IDLE}, 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #SCROLL_STATE_TOUCH_SCROLL} or {@link #SCROLL_STATE_IDLE}. 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScrollStateChanged(AbsListView view, int scrollState); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback method to be invoked when the list or grid has been scrolled. This will be 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called after the scroll has completed 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose scroll state is being reported 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstVisibleItem the index of the first visible cell (ignore if 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visibleItemCount == 0) 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param visibleItemCount the number of visible cells 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param totalItemCount the number of items in the list adaptor 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int totalItemCount); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context) { 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVerticalScrollBarEnabled(true); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(R.styleable.View); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeScrollbars(a); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs) { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.absListViewStyle); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbsListView(Context context, AttributeSet attrs, int defStyle) { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initAbsListView(); 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView, defStyle, 0); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = a.getDrawable(com.android.internal.R.styleable.AbsListView_listSelector); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(d); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = a.getBoolean( 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.AbsListView_drawSelectorOnTop, false); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stackFromBottom = a.getBoolean(R.styleable.AbsListView_stackFromBottom, false); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setStackFromBottom(stackFromBottom); 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean scrollingCacheEnabled = a.getBoolean(R.styleable.AbsListView_scrollingCache, true); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setScrollingCacheEnabled(scrollingCacheEnabled); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useTextFilter = a.getBoolean(R.styleable.AbsListView_textFilterEnabled, false); 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTextFilterEnabled(useTextFilter); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transcriptMode = a.getInt(R.styleable.AbsListView_transcriptMode, 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRANSCRIPT_MODE_DISABLED); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTranscriptMode(transcriptMode); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color = a.getColor(R.styleable.AbsListView_cacheColorHint, 0); 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCacheColorHint(color); 6210a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean enableFastScroll = a.getBoolean(R.styleable.AbsListView_fastScrollEnabled, false); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFastScrollEnabled(enableFastScroll); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean smoothScrollbar = a.getBoolean(R.styleable.AbsListView_smoothScrollbar, true); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSmoothScrollbarEnabled(smoothScrollbar); 62730346c4399af45b46996f504004796177b975349Romain Guy 62830346c4399af45b46996f504004796177b975349Romain Guy final int adapterId = a.getResourceId(R.styleable.AbsListView_adapter, 0); 62930346c4399af45b46996f504004796177b975349Romain Guy if (adapterId != 0) { 63030346c4399af45b46996f504004796177b975349Romain Guy final Context c = context; 63130346c4399af45b46996f504004796177b975349Romain Guy post(new Runnable() { 63230346c4399af45b46996f504004796177b975349Romain Guy public void run() { 63330346c4399af45b46996f504004796177b975349Romain Guy setAdapter(Adapters.loadAdapter(c, adapterId)); 63430346c4399af45b46996f504004796177b975349Romain Guy } 63530346c4399af45b46996f504004796177b975349Romain Guy }); 63630346c4399af45b46996f504004796177b975349Romain Guy } 637d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 638f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setChoiceMode(a.getInt(R.styleable.AbsListView_choiceMode, CHOICE_MODE_NONE)); 639f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 643d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void initAbsListView() { 644d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Setting focusable in touch mode will set the focusable property to true 645df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy setClickable(true); 646d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setFocusableInTouchMode(true); 647d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setWillNotDraw(false); 648d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setAlwaysDrawnWithCacheEnabled(false); 649d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy setScrollingCacheEnabled(true); 650d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 6514296fc4d326447875c26a925f12b3935632f13bbRomain Guy final ViewConfiguration configuration = ViewConfiguration.get(mContext); 6524296fc4d326447875c26a925f12b3935632f13bbRomain Guy mTouchSlop = configuration.getScaledTouchSlop(); 6534296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMinimumVelocity = configuration.getScaledMinimumFlingVelocity(); 6544296fc4d326447875c26a925f12b3935632f13bbRomain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 655d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mDensityScale = getContext().getResources().getDisplayMetrics().density; 656d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 6570a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 658d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 659f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@inheritDoc} 660f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 661f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 662f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setAdapter(ListAdapter adapter) { 663f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (adapter != null) { 664f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mAdapter.hasStableIds() && 665f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates == null) { 666f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = new LongSparseArray<Boolean>(); 667f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 668f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 669f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 670f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 671f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 672f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 673f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 674f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 675f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 676f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 677f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 678f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 679f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 680f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the number of items currently selected. This will only be valid 681f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the choice mode is not {@link #CHOICE_MODE_NONE} (default). 682f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 683f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * <p>To determine the specific items that are currently selected, use one of 684f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the <code>getChecked*</code> methods. 685f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 686f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The number of items currently selected 687f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 688f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPosition() 689f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemPositions() 690f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #getCheckedItemIds() 691f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 692f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemCount() { 693f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckedItemCount; 694f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 695f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 696f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 697f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the checked state of the specified position. The result is only 698f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * valid if the choice mode has been set to {@link #CHOICE_MODE_SINGLE} 699f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or {@link #CHOICE_MODE_MULTIPLE}. 700f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 701f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state to return 702f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The item's checked state or <code>false</code> if choice mode 703f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * is invalid 704f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 705f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 706f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 707f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean isItemChecked(int position) { 708f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) { 709f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.get(position); 710f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 711f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 712f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 713f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 714f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 715f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 716f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the currently checked item. The result is only valid if the choice 717f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * mode has been set to {@link #CHOICE_MODE_SINGLE}. 718f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 719f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The position of the currently checked item or 720f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #INVALID_POSITION} if nothing is selected 721f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 722f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 723f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 724f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getCheckedItemPosition() { 725f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_SINGLE && mCheckStates != null && mCheckStates.size() == 1) { 726f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates.keyAt(0); 727f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 728f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 729f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return INVALID_POSITION; 730f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 731f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 732f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 733f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items in the list. The result is only valid if 734f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has not been set to {@link #CHOICE_MODE_NONE}. 735f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 736f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A SparseBooleanArray which will return true for each call to 737f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * get(int position) where position is a position in the list, 738f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * or <code>null</code> if the choice mode is set to 739f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_NONE}. 740f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 741f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public SparseBooleanArray getCheckedItemPositions() { 742f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 743f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mCheckStates; 744f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 745f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return null; 746f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 747f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 748f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 749f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Returns the set of checked items ids. The result is only valid if the 750f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * choice mode has not been set to {@link #CHOICE_MODE_NONE} and the adapter 751f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * has stable IDs. ({@link ListAdapter#hasStableIds()} == {@code true}) 752f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 753f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return A new array which contains the id of each checked item in the 754f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * list. 755f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 756f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public long[] getCheckedItemIds() { 757f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE || mCheckedIdStates == null || mAdapter == null) { 758f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return new long[0]; 759f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 760f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 761f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final LongSparseArray<Boolean> idStates = mCheckedIdStates; 762f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final int count = idStates.size(); 763f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long[] ids = new long[count]; 764f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 765f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell for (int i = 0; i < count; i++) { 766f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ids[i] = idStates.keyAt(i); 767f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 768f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 769f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return ids; 770f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 771f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 772f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 773f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Clear any choices previously set 774f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 775f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void clearChoices() { 776f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates != null) { 777f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 778f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 779f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null) { 780f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 781f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 782f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 783f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 784f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 785f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 786f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Sets the checked state of the specified position. The is only valid if 787f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * the choice mode has been set to {@link #CHOICE_MODE_SINGLE} or 788f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}. 789f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 790f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position The item whose checked state is to be checked 791f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param value The new checked state for the item 792f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 793f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setItemChecked(int position, boolean value) { 794f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_NONE) { 795f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return; 796f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 797f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 798f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Start selection mode if needed. We don't need to if we're unchecking something. 799f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) { 800f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 801f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 802f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 803f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 804f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean oldValue = mCheckStates.get(position); 805f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, value); 806f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 807f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 808f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 809f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 810f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 811f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 812f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 813f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (oldValue != value) { 814f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 815f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 816f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 817f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 818f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 819f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 820f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 821f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell final long id = mAdapter.getItemId(position); 822f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 823f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, value); 824f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 825f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 826f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean updateIds = mCheckedIdStates != null && mAdapter.hasStableIds(); 827f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Clear all values if we're checking something, or unchecking the currently 828f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selected item 829f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value || isItemChecked(position)) { 830f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 831f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 832f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 833f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 834f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 835f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // this may end up selecting the value we just cleared but this way 836f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // we ensure length of mCheckStates is 1, a fact getCheckedItemPosition relies on 837f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (value) { 838f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 839f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (updateIds) { 840f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 841f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 842f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 843f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 844f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 845f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 846f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 847f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 848f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Do not generate a data change while we are in the layout phase 849f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (!mInLayout && !mBlockLayoutRequests) { 850f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 851f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 852f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 853f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 854f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 855f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 856f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell @Override 857f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean performItemClick(View view, int position, long id) { 858f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 859f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 860f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 861f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell handled = true; 862f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 863f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE || 864f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode != null)) { 865f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean newValue = !mCheckStates.get(position, false); 866f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, newValue); 867f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 868f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 869f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 870f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 871f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.delete(mAdapter.getItemId(position)); 872f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 873f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 874f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 875f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount++; 876f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else { 877f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount--; 878f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 879f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 880f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.onItemCheckedStateChanged(mChoiceActionMode, 881f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell position, id, newValue); 882f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 883f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mChoiceMode == CHOICE_MODE_SINGLE) { 884f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean newValue = !mCheckStates.get(position, false); 885f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (newValue) { 886f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.clear(); 887f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates.put(position, true); 888f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates != null && mAdapter.hasStableIds()) { 889f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.clear(); 890f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates.put(mAdapter.getItemId(position), Boolean.TRUE); 891f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 892f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 1; 893f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } else if (mCheckStates.size() == 0 || !mCheckStates.valueAt(0)) { 894f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedItemCount = 0; 895f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 896f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 897f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 898f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 899f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 900f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 901f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 902f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 903f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell handled |= super.performItemClick(view, position, id); 904f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 905f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return handled; 906f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 907f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 908f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 909f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 910f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 911f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @return The current choice mode 912f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 913f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public int getChoiceMode() { 914f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mChoiceMode; 915f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 916f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 917f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 918f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Defines the choice behavior for the List. By default, Lists do not have any choice behavior 919f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * ({@link #CHOICE_MODE_NONE}). By setting the choiceMode to {@link #CHOICE_MODE_SINGLE}, the 920f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * List allows up to one item to be in a chosen state. By setting the choiceMode to 921f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE}, the list allows any number of items to be chosen. 922f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 923f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param choiceMode One of {@link #CHOICE_MODE_NONE}, {@link #CHOICE_MODE_SINGLE}, or 924f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE} 925f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 926f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setChoiceMode(int choiceMode) { 927f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceMode = choiceMode; 928f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode != null) { 929f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode.finish(); 930f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 931f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 932f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode != CHOICE_MODE_NONE) { 933f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckStates == null) { 934f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = new SparseBooleanArray(); 935f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 936f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mCheckedIdStates == null && mAdapter != null && mAdapter.hasStableIds()) { 937f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = new LongSparseArray<Boolean>(); 938f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 939f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Modal multi-choice mode only has choices when the mode is active. Clear them. 940f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 941f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 942f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 943f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 944f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 945f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 946f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 947f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 948f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Set a {@link MultiChoiceModeListener} that will manage the lifecycle of the 949f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selection {@link ActionMode}. Only used when the choice mode is set to 950f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #CHOICE_MODE_MULTIPLE_MODAL}. 951f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 952f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param listener Listener that will manage the selection mode 953f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 954f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @see #setChoiceMode(int) 955f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 956f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setMultiChoiceModeListener(MultiChoiceModeListener listener) { 957f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mMultiChoiceModeCallback == null) { 958f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback = new MultiChoiceModeWrapper(); 959f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 960f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mMultiChoiceModeCallback.setWrapped(listener); 961f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 962f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 963f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 9640a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Enables fast scrolling by letting the user quickly scroll through lists by 9650a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * dragging the fast scroll thumb. The adapter attached to the list may want 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to implement {@link SectionIndexer} if it wishes to display alphabet preview and 9670a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * jump between sections of the list. 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see SectionIndexer 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isFastScrollEnabled() 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled whether or not to enable fast scrolling 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFastScrollEnabled(boolean enabled) { 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScrollEnabled = enabled; 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabled) { 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller == null) { 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller = new FastScroller(getContext(), this); 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.stop(); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller = null; 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9850a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setFastScrollEnabled(boolean) 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if fast scroll is enabled, false otherwise 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isFastScrollEnabled() { 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScrollEnabled; 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9950a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If fast scroll is visible, then don't draw the vertical scrollbar. 9980a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @hide 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isVerticalScrollBarHidden() { 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFastScroller != null && mFastScroller.isVisible(); 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is enabled, the position and size of the scrollbar thumb 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is computed based on the number of visible pixels in the visible items. This 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * however assumes that all list items have the same height. If you use a list in 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which items have different heights, the scrollbar will change appearance as the 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user scrolls through the list. To avoid this issue, you need to disable this 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * property. 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When smooth scrollbar is disabled, the position and size of the scrollbar thumb 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is based solely on the number of items in the adapter and the position of the 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * visible items inside the adapter. This provides a stable scrollbar as the user 10160a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * navigates through a list of items with varying heights. 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Whether or not to enable smooth scrollbar. 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10200a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * @see #setSmoothScrollbarEnabled(boolean) 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_smoothScrollbar 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSmoothScrollbarEnabled(boolean enabled) { 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSmoothScrollbarEnabled = enabled; 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current state of the fast scroll feature. 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if smooth scrollbar is enabled is enabled, false otherwise. 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSmoothScrollbarEnabled(boolean) 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSmoothScrollbarEnabled() { 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSmoothScrollbarEnabled; 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the listener that will receive notifications every time the list scrolls. 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the scroll listener 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnScrollListener(OnScrollListener l) { 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener = l; 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notify our scroll listener (if there is one) of a change in scroll state 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void invokeOnItemScrollListener() { 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener.onScroll(this, mFirstPosition, getChildCount(), mItemCount); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a scroll. 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will consume more memory. 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the scrolling cache is enabled, false otherwise 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setScrollingCacheEnabled(boolean) 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isScrollingCacheEnabled() { 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScrollingCacheEnabled; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a scroll. 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will use more memory. 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the scrolling cache is enabled, the caches are kept after the 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first scrolling. You can manually clear the cache by calling 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup#setChildrenDrawingCacheEnabled(boolean)}. 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the scroll cache, false otherwise 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isScrollingCacheEnabled() 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollingCacheEnabled(boolean enabled) { 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !enabled) { 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollingCacheEnabled = enabled; 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the type filter window. If enabled, typing when 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view has focus will filter the children to match the users input. 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that the {@link Adapter} used by this view must implement the 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Filterable} interface. 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param textFilterEnabled true to enable type filtering, false otherwise 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTextFilterEnabled(boolean textFilterEnabled) { 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilterEnabled = textFilterEnabled; 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether type filtering is enabled for this view 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if type filtering is enabled, false otherwise 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled(boolean) 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Filterable 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isTextFilterEnabled() { 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilterEnabled; 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getFocusedRect(Rect r) { 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getSelectedView(); 11256bdbfcfa77177eb7c8905123f44f2fa5aa0f17b1Romain Guy if (view != null && view.getParent() == this) { 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused rectangle of the selected view offset into the 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // coordinate space of this view. 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getFocusedRect(r); 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetDescendantRectToMyCoords(view, r); 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // otherwise, just the norm 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.getFocusedRect(r); 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void useDefaultSelector() { 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable( 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.drawable.list_selector_background)); 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the content of this view is pinned to, or stacked from, 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom edge. 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the content is stacked from the bottom edge, false otherwise 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStackFromBottom() { 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStackFromBottom; 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When stack from bottom is set to true, the list fills its content starting from 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the bottom of the view. 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param stackFromBottom true to pin the view's content to the bottom edge, 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to pin the view's content to the top edge 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setStackFromBottom(boolean stackFromBottom) { 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStackFromBottom != stackFromBottom) { 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStackFromBottom = stackFromBottom; 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayoutIfNecessary(); 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestLayoutIfNecessary() { 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resetList(); 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static class SavedState extends BaseSavedState { 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId; 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long firstId; 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewTop; 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position; 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height; 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String filter; 1181f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell SparseBooleanArray checkState; 1182f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell LongSparseArray<Boolean> checkIdState; 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link AbsListView#onSaveInstanceState()} 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState(Parcelable superState) { 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor called from {@link #CREATOR} 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SavedState(Parcel in) { 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(in); 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedId = in.readLong(); 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project firstId = in.readLong(); 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project viewTop = in.readInt(); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = in.readInt(); 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = in.readInt(); 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter = in.readString(); 1202f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkState = in.readSparseBooleanArray(); 1203f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell long[] idState = in.createLongArray(); 1204f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1205f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (idState.length > 0) { 1206f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkIdState = new LongSparseArray<Boolean>(); 1207f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell checkIdState.setValues(idState, Boolean.TRUE); 1208f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.writeToParcel(out, flags); 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(selectedId); 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeLong(firstId); 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(viewTop); 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(position); 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeInt(height); 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.writeString(filter); 1220f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeSparseBooleanArray(checkState); 1221f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell out.writeLongArray(checkIdState != null ? checkIdState.getKeys() : new long[0]); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "AbsListView.SavedState{" 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + Integer.toHexString(System.identityHashCode(this)) 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " selectedId=" + selectedId 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " firstId=" + firstId 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " viewTop=" + viewTop 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " position=" + position 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " height=" + height 1233f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " filter=" + filter 1234f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell + " checkState=" + checkState + "}"; 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = new Parcelable.Creator<SavedState>() { 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState createFromParcel(Parcel in) { 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState(in); 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState[] newArray(int size) { 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState[size]; 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parcelable onSaveInstanceState() { 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This doesn't really make sense as the place to dismiss the 1253f993ad5b89a8aa47fcbc7494811f45bb74cb8713Romain Guy * popups, but there don't seem to be any other useful hooks 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that happen early enough to keep from getting complaints 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about having leaked the window. 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable superState = super.onSaveInstanceState(); 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = new SavedState(superState); 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean haveChildren = getChildCount() > 0; 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long selectedId = getSelectedItemId(); 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.selectedId = selectedId; 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.height = getHeight(); 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedId >= 0) { 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the selection 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = mSelectedTop; 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = getSelectedItemPosition(); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (haveChildren) { 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the position of the first child 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(0); 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = v.getTop(); 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = mFirstPosition; 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = mAdapter.getItemId(mFirstPosition); 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.viewTop = 0; 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.firstId = INVALID_POSITION; 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.position = 0; 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = null; 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final EditText textFilter = mTextFilter; 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textFilter != null) { 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Editable filterText = textFilter.getText(); 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filterText != null) { 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ss.filter = filterText.toString(); 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1298f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ss.checkState = mCheckStates; 1299f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell ss.checkIdState = mCheckedIdStates; 1300f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ss; 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onRestoreInstanceState(Parcelable state) { 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState ss = (SavedState) state; 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(ss.getSuperState()); 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncHeight = ss.height; 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ss.selectedId >= 0) { 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.selectedId; 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_SELECTED_POSITION; 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (ss.firstId >= 0) { 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do this before setting mNeedSync since setNextSelectedPosition looks at mNeedSync 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = true; 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncRowId = ss.firstId; 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = ss.position; 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = ss.viewTop; 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncMode = SYNC_FIRST_POSITION; 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFilterText(ss.filter); 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1332f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkState != null) { 1333f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckStates = ss.checkState; 1334f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1335f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 1336f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (ss.checkIdState != null) { 1337f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mCheckedIdStates = ss.checkIdState; 1338f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 1339f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean acceptFilter() { 1344d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy return mTextFilterEnabled && getAdapter() instanceof Filterable && 1345d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy ((Filterable) getAdapter()).getFilter() != null; 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the initial value for the text filter. 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filterText The text to use for the filter. 13510a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTextFilterEnabled 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilterText(String filterText) { 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: Should we check for acceptFilter()? 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && !TextUtils.isEmpty(filterText)) { 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(false); 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is going to call our listener onTextChanged, but we might not 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be ready to bring up a window yet 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(filterText); 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setSelection(filterText.length()); 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if mPopup is non-null, then onTextChanged will do the filtering 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(filterText); 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set filtered to true so we will display the filter window when our main 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window is ready 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObserver.clearSavedState(); 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13770a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy * Returns the list's text filter, if available. 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the list's text filter or null if filtering isn't enabled 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTextFilter() { 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTextFilterEnabled && mTextFilter != null) { 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTextFilter.getText(); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13860a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (gainFocus && mSelectedPosition < 0 && !isInTouchMode()) { 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestLayout() { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBlockLayoutRequests && !mInLayout) { 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.requestLayout(); 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list is empty. Clear everything out. 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void resetList() { 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstPosition = 0; 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = false; 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedPosition = INVALID_POSITION; 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldSelectedRowId = INVALID_ROW_ID; 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.setEmpty(); 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollExtent() { 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extent = count * 100; 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = getChildAt(0); 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent += (top * 100) / height; 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = getChildAt(count - 1); 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = view.getBottom(); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = view.getHeight(); 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project extent -= ((bottom - getHeight()) * 100) / height; 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return extent; 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollOffset() { 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition >= 0 && childCount > 0) { 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSmoothScrollbarEnabled) { 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(0); 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = view.getTop(); 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = view.getHeight(); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height > 0) { 14580b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return Math.max(firstPosition * 100 - (top * 100) / height + 14590b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell (int)((float)mScrollY / getHeight() * mItemCount * 100), 0); 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mItemCount; 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition == 0) { 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (firstPosition + childCount == count) { 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count; 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = firstPosition + childCount / 2; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) (firstPosition + childCount * (index / (float) count)); 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int computeVerticalScrollRange() { 14790b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell int result; 14800b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (mSmoothScrollbarEnabled) { 14810b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = Math.max(mItemCount * 100, 0); 14820b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } else { 14830b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell result = mItemCount; 14840b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 14850b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return result; 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getTopFadingEdgeStrength() { 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getTopFadingEdgeStrength(); 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition > 0) { 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = getChildAt(0).getTop(); 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeLength = (float) getVerticalFadingEdgeLength(); 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return top < mPaddingTop ? (float) -(top - mPaddingTop) / fadeLength : fadeEdge; 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getBottomFadingEdgeStrength() { 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeEdge = super.getBottomFadingEdgeStrength(); 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count == 0) { 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return fadeEdge; 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFirstPosition + count - 1 < mItemCount - 1) { 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1.0f; 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = getChildAt(count - 1).getBottom(); 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight(); 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float fadeLength = (float) getVerticalFadingEdgeLength(); 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bottom > height - mPaddingBottom ? 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float) (bottom - height + mPaddingBottom) / fadeLength : fadeEdge; 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector == null) { 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useDefaultSelector(); 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.left = mSelectionLeftPadding + mPaddingLeft; 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.top = mSelectionTopPadding + mPaddingTop; 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.right = mSelectionRightPadding + mPaddingRight; 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listPadding.bottom = mSelectionBottomPadding + mPaddingBottom; 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1536d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 1537d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses should NOT override this method but 1538d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * {@link #layoutChildren()} instead. 1539d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onLayout(boolean changed, int l, int t, int r, int b) { 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onLayout(changed, l, t, r, b); 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = true; 1544f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (changed) { 1545f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell int childCount = getChildCount(); 1546f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < childCount; i++) { 1547f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell getChildAt(i).forceLayout(); 1548f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 1549f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell mRecycler.markChildrenDirty(); 1550f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 1551f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInLayout = false; 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setFrame(int left, int top, int right, int bottom) { 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean changed = super.setFrame(left, top, right, bottom); 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1563d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (changed) { 1564d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // Reposition the popup when the frame has changed. This includes 1565d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // translating the widget, not just changing its dimension. The 1566d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy // filter popup needs to follow the widget. 1567d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy final boolean visible = getWindowVisibility() == View.VISIBLE; 1568d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mFiltered && visible && mPopup != null && mPopup.isShowing()) { 1569d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy positionPopup(); 1570d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1576d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy /** 1577d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * Subclasses must override this method to layout their children. 1578d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy */ 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void layoutChildren() { 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void updateScrollIndicators() { 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollUp != null) { 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollUp; 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0th element is not visible 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = mFirstPosition > 0; 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or top of 0th element is not visible 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollUp) { 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(0); 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollUp = child.getTop() < mListPadding.top; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp.setVisibility(canScrollUp ? View.VISIBLE : View.INVISIBLE); 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollDown != null) { 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canScrollDown; 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = getChildCount(); 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Last item is not visible 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = (mFirstPosition + count) < mItemCount; 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ... Or bottom of the last element is not visible 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!canScrollDown && count > 0) { 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(count - 1); 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canScrollDown = child.getBottom() > mBottom - mListPadding.bottom; 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown.setVisibility(canScrollDown ? View.VISIBLE : View.INVISIBLE); 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getSelectedView() { 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mItemCount > 0 && mSelectedPosition >= 0) { 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getChildAt(mSelectedPosition - mFirstPosition); 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingTop() 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The top list padding. 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingTop() { 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.top; 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingBottom() 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The bottom list padding. 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingBottom() { 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.bottom; 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingLeft() 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The left list padding. 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingLeft() { 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.left; 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List padding is the maximum of the normal view's padding and the padding of the selector. 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#getPaddingRight() 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSelector() 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The right list padding. 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getListPaddingRight() { 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListPadding.right; 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a view and have it show the data associated with the specified 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * position. This is called when we have already discovered that the view is 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not available for reuse in the recycle bin. The only choices left are 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * converting an old view or making a new one. 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to display 168121875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * @param isScrap Array of at least 1 boolean, the first entry will become true if 168221875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * the returned view was taken from the scrap heap, false if otherwise. 168321875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy * 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view displaying the data associated with the specified position 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 168621875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy View obtainView(int position, boolean[] isScrap) { 168721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy isScrap[0] = false; 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View scrapView; 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapView = mRecycler.getScrapView(position); 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child; 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (scrapView != null) { 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(scrapView, ViewDebug.RecyclerTraceType.RECYCLE_FROM_SCRAP_HEAP, 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, -1); 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, scrapView, this); 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(child, ViewDebug.RecyclerTraceType.BIND_VIEW, 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, getChildCount()); 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != scrapView) { 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.addScrapView(scrapView); 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(scrapView, ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, -1); 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 171521875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy } else { 1716a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy isScrap[0] = true; 1717a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy child.dispatchFinishTemporaryDetach(); 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child = mAdapter.getView(position, null, this); 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCacheColorHint != 0) { 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheBackgroundColor(mCacheColorHint); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(child, ViewDebug.RecyclerTraceType.NEW_VIEW, 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position, getChildCount()); 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return child; 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void positionSelector(View sel) { 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect selectorRect = mSelectorRect; 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.set(sel.getLeft(), sel.getTop(), sel.getRight(), sel.getBottom()); 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(selectorRect.left, selectorRect.top, selectorRect.right, 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectorRect.bottom); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean isChildViewEnabled = mIsChildViewEnabled; 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sel.isEnabled() != isChildViewEnabled) { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsChildViewEnabled = !isChildViewEnabled; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void positionSelector(int l, int t, int r, int b) { 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.set(l - mSelectionLeftPadding, t - mSelectionTopPadding, r 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + mSelectionRightPadding, b + mSelectionBottomPadding); 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (mGroupFlags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~CLIP_TO_PADDING_MASK; 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawSelectorOnTop = mDrawSelectorOnTop; 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!drawSelectorOnTop) { 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDraw(canvas); 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (drawSelectorOnTop) { 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawSelector(canvas); 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= CLIP_TO_PADDING_MASK; 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSizeChanged(int w, int h, int oldw, int oldh) { 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getChildCount() > 0) { 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1788d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFastScroller.onSizeChanged(w, h, oldw, oldh); 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the current touch mode requires that we draw the selector in the pressed 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean touchModeDrawsInPressedState() { 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME use isPressed for this 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this view is in a state where the selector should be drawn. This will 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen if we have focus but are not in touch mode, or we are in the middle of displaying 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pressed state for an item. 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the selector should be shown 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean shouldShowSelector() { 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (hasFocus() && !isInTouchMode()) || touchModeDrawsInPressedState(); 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void drawSelector(Canvas canvas) { 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldShowSelector() && mSelectorRect != null && !mSelectorRect.isEmpty()) { 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable selector = mSelector; 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.setBounds(mSelectorRect); 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selector.draw(canvas); 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls whether the selection highlight drawable should be drawn on top of the item or 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * behind it. 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onTop If true, the selector will be drawn on the item it is highlighting. The default 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is false. 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_drawSelectorOnTop 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawSelectorOnTop(boolean onTop) { 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawSelectorOnTop = onTop; 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set a Drawable that should be used to highlight the currently selected item. 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resID A Drawable resource to use as the selection highlight. 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AbsListView_listSelector 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(int resID) { 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelector(getResources().getDrawable(resID)); 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelector(Drawable sel) { 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector.setCallback(null); 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleDrawable(mSelector); 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector = sel; 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect padding = new Rect(); 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.getPadding(padding); 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionLeftPadding = padding.left; 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionTopPadding = padding.top; 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionRightPadding = padding.right; 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectionBottomPadding = padding.bottom; 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.setCallback(this); 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sel.setState(getDrawableState()); 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the selector {@link android.graphics.drawable.Drawable} that is used to draw the 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * selection in the list. 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the drawable used to display the selector 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getSelector() { 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector; 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the selector state to "pressed" and posts a CheckForKeyLongPress to see if 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is a long press. 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void keyPressed() { 1883df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (!isEnabled() || !isClickable()) { 1884df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return; 1885df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 1886df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable selector = mSelector; 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect selectorRect = mSelectorRect; 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selector != null && (isFocused() || touchModeDrawsInPressedState()) 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && selectorRect != null && !selectorRect.isEmpty()) { 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(mSelectedPosition - mFirstPosition); 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1894ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v != null) { 1895ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (v.hasFocusable()) return; 1896ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project v.setPressed(true); 1897ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = selector.getCurrent(); 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 1904df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ((TransitionDrawable) d).startTransition( 1905df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy ViewConfiguration.getLongPressTimeout()); 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable && !mDataChanged) { 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForKeyLongPress == null) { 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress = new CheckForKeyLongPress(); 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForKeyLongPress.rememberWindowAttachCount(); 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForKeyLongPress, ViewConfiguration.getLongPressTimeout()); 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setScrollIndicators(View up, View down) { 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollUp = up; 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollDown = down; 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelector.setState(getDrawableState()); 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child view is enabled then do the default behavior. 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsChildViewEnabled) { 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Common case 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The selector uses this View's drawable state. The selected child view 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is disabled, so we need to remove the enabled state from the drawable 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // states. 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int enabledState = ENABLED_STATE_SET[0]; 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we don't have any extra space, it will return one of the static state arrays, 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and clearing the enabled state on those arrays is a bad thing! If we specify 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we need extra space, it will create+copy into a new array that safely mutable. 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + 1); 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int enabledPos = -1; 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = state.length - 1; i >= 0; i--) { 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state[i] == enabledState) { 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enabledPos = i; 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the enabled state 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabledPos >= 0) { 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(state, enabledPos + 1, state, enabledPos, 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.length - enabledPos - 1); 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19630a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean verifyDrawable(Drawable dr) { 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelector == dr || super.verifyDrawable(dr); 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.addOnTouchModeChangeListener(this); 1979d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mTextFilterEnabled && mPopup != null && !mGlobalLayoutListenerAddedFilter) { 1980d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy treeObserver.addOnGlobalLayoutListener(this); 1981d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 198382afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy 198482afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null && mDataSetObserver == null) { 198582afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = new AdapterDataSetObserver(); 198682afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.registerDataSetObserver(mDataSetObserver); 198782afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19941f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy // Dismiss the popup in case onSaveInstanceState() was not invoked 19951f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy dismissPopup(); 19961f7f3c336a767802a0cada789f6b2055f45911dcRomain Guy 199721875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy // Detach any view left in the scrap heap 199821875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy mRecycler.clear(); 199921875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.removeOnTouchModeChangeListener(this); 2003d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy if (mTextFilterEnabled && mPopup != null) { 2004d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy treeObserver.removeGlobalOnLayoutListener(this); 2005d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = false; 2006d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy } 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 200882afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy 200982afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy if (mAdapter != null) { 201082afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mAdapter.unregisterDataSetObserver(mDataSetObserver); 201182afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy mDataSetObserver = null; 201282afc7b32b5a22fe5a0f1a98e8fd0873a4b7f9a1Romain Guy } 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onWindowFocusChanged(boolean hasWindowFocus) { 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onWindowFocusChanged(hasWindowFocus); 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int touchMode = isInTouchMode() ? TOUCH_MODE_ON : TOUCH_MODE_OFF; 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!hasWindowFocus) { 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 2023670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner if (mFlingRunnable != null) { 2024670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner removeCallbacks(mFlingRunnable); 2025670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // let the fling runnable report it's new state which 2026670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner // should be idle 2027670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner mFlingRunnable.endFling(); 2028458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mScrollY != 0) { 2029458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollY = 0; 2030458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 2031458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2032670dd819425b44ab4cb7565a322fd21ab6e811f5Mark Wagner } 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Always hide the type filter 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the last selected element 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mSelectedPosition; 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 204197566043afdb714fd4eea6bb22898964e95f16bcAdam Powell if (mFiltered && !mPopupHidden) { 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the type filter only if a filter is in effect 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we changed touch mode since the last time we had focus 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode != mLastTouchMode && mLastTouchMode != TOUCH_MODE_UNKNOWN) { 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in trackball mode, we bring the selection back 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (touchMode == TOUCH_MODE_OFF) { 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This will trigger a layout 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we come back in touch mode, then we want to hide the selector 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 20569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastTouchMode = touchMode; 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the ContextMenuInfo returned from {@link #getContextMenuInfo()}. This 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods knows the view, position and ID of the item that received the 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * long press. 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view that received the long press. 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position of the item that received the long press. 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param id The ID of the item that received the long press. 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The extra information that should be returned by 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getContextMenuInfo()}. 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContextMenuInfo createContextMenuInfo(View view, int position, long id) { 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AdapterContextMenuInfo(view, position, id); 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for Runnables that will check that their view is still attached to 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original window as when the Runnable was created. 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class WindowRunnnable { 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOriginalAttachCount; 20870a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rememberWindowAttachCount() { 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOriginalAttachCount = getWindowAttachCount(); 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20910a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean sameWindow() { 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return hasWindowFocus() && getWindowAttachCount() == mOriginalAttachCount; 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20960a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class PerformClick extends WindowRunnnable implements Runnable { 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View mChild; 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mClickMotionPosition; 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The data has changed since we posted this action in the event queue, 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bail out before bad things happen 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataChanged) return; 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2106005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final ListAdapter adapter = mAdapter; 2107005c0a445e32dfbf18bf93d209da857604925a58Adam Powell final int motionPosition = mClickMotionPosition; 2108005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (adapter != null && mItemCount > 0 && 2109005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition != INVALID_POSITION && 2110005c0a445e32dfbf18bf93d209da857604925a58Adam Powell motionPosition < adapter.getCount() && sameWindow()) { 2111005c0a445e32dfbf18bf93d209da857604925a58Adam Powell performItemClick(mChild, motionPosition, adapter.getItemId(motionPosition)); 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForLongPress extends WindowRunnnable implements Runnable { 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = mMotionPosition; 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(mMotionPosition); 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 21250a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy if (sameWindow() && !mDataChanged) { 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(child, longPressPosition, longPressId); 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21390a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class CheckForKeyLongPress extends WindowRunnnable implements Runnable { 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPressed() && mSelectedPosition >= 0) { 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = mSelectedPosition - mFirstPosition; 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = getChildAt(index); 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sameWindow()) { 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = performLongPress(v, mSelectedPosition, mSelectedRowId); 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setPressed(false); 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) v.setPressed(false); 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21638350f7dbc3a62211b2891f35911e4073d24c4cc5Adam Powell boolean performLongPress(final View child, 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition, final long longPressId) { 2165f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // CHOICE_MODE_MULTIPLE_MODAL takes over long press. 2166f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) { 2167f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mChoiceActionMode == null) { 2168f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = startActionMode(mMultiChoiceModeCallback); 2169f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setItemChecked(longPressPosition, true); 2170f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 2171f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // TODO Should we select the long pressed item if we were already in 2172f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // selection mode? (i.e. treat it like an item click?) 2173f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 2174f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 2175f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2177f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell boolean handled = false; 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, child, 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo(child, longPressPosition, longPressId); 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(AbsListView.this); 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ContextMenuInfo getContextMenuInfo() { 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContextMenuInfo; 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressPosition = getPositionForView(originalView); 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longPressPosition >= 0) { 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long longPressId = mAdapter.getItemId(longPressPosition); 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnItemLongClickListener != null) { 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mOnItemLongClickListener.onItemLongClick(AbsListView.this, originalView, 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 22079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled) { 22099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContextMenuInfo = createContextMenuInfo( 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getChildAt(longPressPosition - mFirstPosition), 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longPressPosition, longPressId); 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = super.showContextMenuForChild(originalView); 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2221df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy public boolean onKeyDown(int keyCode, KeyEvent event) { 2222df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy return false; 2223df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy } 2224df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy 2225df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy @Override 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(int keyCode, KeyEvent event) { 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 2230dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2231dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return true; 2232dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2233df01607380c81e26c1c90129aa22b2e1118e2b71Romain Guy if (isClickable() && isPressed() && 2234dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy mSelectedPosition >= 0 && mAdapter != null && 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition < mAdapter.getCount()) { 2236dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = getChildAt(mSelectedPosition - mFirstPosition); 223845b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy if (view != null) { 223945b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy performItemClick(view, mSelectedPosition, mSelectedRowId); 224045b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy view.setPressed(false); 224145b3dcd07ef58164484e3648ec0ddc8fdba8e5d1Romain Guy } 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2245dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy break; 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyUp(keyCode, event); 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch setPressed to our children. We call setPressed on ourselves to 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the selector in the right state, but we don't want to press each child. 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a position in the list. 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The position of the item which contains the specified point, or 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #INVALID_POSITION} if the point does not intersect an item. 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int pointToPosition(int x, int y) { 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect frame = mTouchFrame; 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame == null) { 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchFrame = new Rect(); 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frame = mTouchFrame; 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() == View.VISIBLE) { 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(x, y)) { 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFirstPosition + i; 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_POSITION; 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maps a point to a the rowId of the item which intersects that point. 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x X in local coordinate 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Y in local coordinate 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The rowId of the item which contains the specified point, or {@link #INVALID_ROW_ID} 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the point does not intersect an item. 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long pointToRowId(int x, int y) { 22949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = pointToPosition(x, y); 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position >= 0) { 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAdapter.getItemId(position); 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_ROW_ID; 22999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckForTap implements Runnable { 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 23039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN) { 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_TAP; 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(mMotionPosition - mFirstPosition); 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 23109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 23129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(child); 23139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int longPressTimeout = ViewConfiguration.getLongPressTimeout(); 23169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean longClickable = isLongClickable(); 23179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).startTransition(longPressTimeout); 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((TransitionDrawable) d).resetTransition(); 23259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longClickable) { 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPendingCheckForLongPress == null) { 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress = new CheckForLongPress(); 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForLongPress.rememberWindowAttachCount(); 23349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(mPendingCheckForLongPress, longPressTimeout); 23359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 23369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DONE_WAITING; 23379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 23390a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy mTouchMode = TOUCH_MODE_DONE_WAITING; 23409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean startScrollIfNeeded(int deltaY) { 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int distance = Math.abs(deltaY); 23509d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (distance > mTouchSlop) { 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createScrollingCache(); 23529d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mTouchMode = TOUCH_MODE_SCROLL; 23539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionCorrection = deltaY; 23549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 23559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Handler should not be null unless the AbsListView is not attached to a 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // window, which would make it very hard to scroll it... but the monkeys 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // say it's possible. 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mPendingCheckForLongPress); 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View motionView = getChildAt(mMotionPosition - mFirstPosition); 23639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (motionView != null) { 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project motionView.setPressed(false); 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Time to start stealing events! Once we've stolen them, don't let anyone 23689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // steal from us 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestDisallowInterceptTouchEvent(true); 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode) { 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get rid of the selection when we enter touch mode 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hideSelector(); 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout, but only if we already have done so previously. 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (Otherwise may clobber a LAYOUT_SYNC layout that was requested to restore 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // state.) 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getHeight() > 0 && getChildCount() > 0) { 23849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We do not lose focus initiating a touch (since AbsListView is focusable in 23859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // touch mode). Force an initial layout to get rid of the selection. 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 2393dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy if (!isEnabled()) { 2394dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // A disabled view that is clickable still consumes the touch 2395dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy // events, it just doesn't respond to them. 2396dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy return isClickable() || isLongClickable(); 2397dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy } 2398dd753ae6115fdcb389b5abd8320245228b2e1d2dRomain Guy 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onTouchEvent(ev); 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 24030a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy } 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 240582f3495b146b267f3786997752cef25310176349Romain Guy 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int action = ev.getAction(); 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY; 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVelocityTracker == null) { 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.addMovement(ev); 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 24189d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mActivePointerId = ev.getPointerId(0); 24199d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell final int x = (int) ev.getX(); 24209d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell final int y = (int) ev.getY(); 24219d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell int motionPosition = pointToPosition(x, y); 24229d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (!mDataChanged) { 24239d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if ((mTouchMode != TOUCH_MODE_FLING) && (motionPosition >= 0) 24249d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell && (getAdapter().isEnabled(motionPosition))) { 24259d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // User clicked on an actual view (and was not stopping a fling). It might be a 24269d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // click or a scroll. Assume it is a click until proven otherwise 24279d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mTouchMode = TOUCH_MODE_DOWN; 24289d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // FIXME Debounce 24299d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (mPendingCheckForTap == null) { 24309d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mPendingCheckForTap = new CheckForTap(); 24319d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } 24329d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); 24339d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } else { 24349d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (ev.getEdgeFlags() != 0 && motionPosition < 0) { 24359d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // If we couldn't find a view to click on, but the down event was touching 24369d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // the edge, we will bail out and try again. This allows the edge correcting 24379d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // code in ViewRoot to try to find a nearby view to select 24389d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell return false; 24399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24419d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (mTouchMode == TOUCH_MODE_FLING) { 24429d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // Stopped a fling. It is a scroll. 24439d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell createScrollingCache(); 24449d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mTouchMode = TOUCH_MODE_SCROLL; 24459d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mMotionCorrection = 0; 24469d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell motionPosition = findMotionRow(y); 24479d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); 24489d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } 244979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 245079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 24519d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell 24529d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (motionPosition >= 0) { 24539d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell // Remember where the motion event started 24549d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell v = getChildAt(motionPosition - mFirstPosition); 24559d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mMotionViewOriginalTop = v.getTop(); 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24579d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mMotionX = x; 24589d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mMotionY = y; 24599d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mMotionPosition = motionPosition; 24609d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mLastY = Integer.MIN_VALUE; 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 24654cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 24664cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = y - mMotionY; 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we have moved far enough that it looks more like a 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // scroll than a tap 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project startScrollIfNeeded(deltaY); 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_SCROLL: 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_SCROLLING) { 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mScrollProfilingStarted) { 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewScroll"); 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollProfilingStarted = true; 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y != mLastY) { 2485110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // We may be here after stopping a fling and continuing to scroll. 2486110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // If so, we haven't disallowed intercepting touch events yet. 2487110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell // Make sure that we do so in case we're in a parent that can intercept. 2488110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell if ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) == 0 && 2489110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell Math.abs(deltaY) > mTouchSlop) { 2490110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell requestDisallowInterceptTouchEvent(true); 2491110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell } 2492110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY -= mMotionCorrection; 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY; 249579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 24966198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy // No need to do all this work if we're not going to move anyway 2497458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean atEdge = false; 24986198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (incrementalDeltaY != 0) { 2499458034799861fef47e00d85d528b4dac5e00bd51Adam Powell atEdge = trackMotionScroll(deltaY, incrementalDeltaY); 25006198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check to see if we have bumped into the scroll limit 2503b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell if (atEdge && getChildCount() > 0) { 2504b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell // Treat this like we're starting a new scroll from the current 2505b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell // position. This will let the user start scrolling back into 2506b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell // content immediately rather than needing to scroll back to the 2507b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell // point where they hit the limit first. 2508b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell int motionPosition = findMotionRow(y); 2509b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell if (motionPosition >= 0) { 2510b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell final View motionView = getChildAt(motionPosition - mFirstPosition); 2511b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell mMotionViewOriginalTop = motionView.getTop(); 251279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 2513b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell mMotionY = y; 2514b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell mMotionPosition = motionPosition; 2515b7795432a5512080fae2a0aa123c02b222f7bca6Adam Powell invalidate(); 251679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 251779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mLastY = y; 251879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 251979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_TAP: 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DONE_WAITING: 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int motionPosition = mMotionPosition; 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(motionPosition - mFirstPosition); 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null && !child.hasFocusable()) { 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode != TOUCH_MODE_DOWN) { 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPerformClick == null) { 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPerformClick = new PerformClick(); 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AbsListView.PerformClick performClick = mPerformClick; 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.mChild = child; 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.mClickMotionPosition = motionPosition; 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project performClick.rememberWindowAttachCount(); 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = motionPosition; 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? 25529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPendingCheckForTap : mPendingCheckForLongPress); 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_NORMAL; 2555005c0a445e32dfbf18bf93d209da857604925a58Adam Powell if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 2556005c0a445e32dfbf18bf93d209da857604925a58Adam Powell mTouchMode = TOUCH_MODE_TAP; 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(mMotionPosition); 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutChildren(); 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(true); 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionSelector(child); 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(true); 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelector != null) { 25639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = mSelector.getCurrent(); 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null && d instanceof TransitionDrawable) { 25656198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy ((TransitionDrawable) d).resetTransition(); 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postDelayed(new Runnable() { 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setPressed(false); 25719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 25729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mDataChanged) { 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(performClick); 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }, ViewConfiguration.getPressedStateDuration()); 2578005c0a445e32dfbf18bf93d209da857604925a58Adam Powell } else { 2579005c0a445e32dfbf18bf93d209da857604925a58Adam Powell mTouchMode = TOUCH_MODE_REST; 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2582005c0a445e32dfbf18bf93d209da857604925a58Adam Powell } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { 2583005c0a445e32dfbf18bf93d209da857604925a58Adam Powell post(performClick); 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_SCROLL: 25896198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy final int childCount = getChildCount(); 25906198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (childCount > 0) { 25916198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (mFirstPosition == 0 && getChildAt(0).getTop() >= mListPadding.top && 25926198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFirstPosition + childCount < mItemCount && 25936198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy getChildAt(childCount - 1).getBottom() <= 25946198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy getHeight() - mListPadding.bottom) { 25956198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mTouchMode = TOUCH_MODE_REST; 25966198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 25976198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } else { 25986198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy final VelocityTracker velocityTracker = mVelocityTracker; 25996198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 260021317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy final int initialVelocity = (int) 260121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy (velocityTracker.getYVelocity(mActivePointerId) * mVelocityScale); 26026198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy 26036198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (Math.abs(initialVelocity) > mMinimumVelocity) { 26046198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy if (mFlingRunnable == null) { 26056198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFlingRunnable = new FlingRunnable(); 26066198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 26076198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING); 260879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 26096198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy mFlingRunnable.start(-initialVelocity); 2610f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy } else { 2611f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy mTouchMode = TOUCH_MODE_REST; 2612f3c7d4294dee6a271e417d81bdd74c87e57ce5b3Romain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 26136198ae8468668bf7374535c2eeeab8de7f8e7e99Romain Guy } 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 261979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 26230a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Need to redraw since we probably aren't drawing the selector anymore 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 26260a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler handler = getHandler(); 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handler != null) { 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handler.removeCallbacks(mPendingCheckForLongPress); 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVelocityTracker != null) { 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker.recycle(); 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVelocityTracker = null; 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26364cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 26374cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_SCROLLING) { 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollProfilingStarted) { 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.stopMethodTracing(); 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrollProfilingStarted = false; 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_CANCEL: { 26499d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mTouchMode = TOUCH_MODE_REST; 26509d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell setPressed(false); 26519d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell View motionView = this.getChildAt(mMotionPosition - mFirstPosition); 26529d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (motionView != null) { 26539d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell motionView.setPressed(false); 26549d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } 26559d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell clearScrollingCache(); 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26579d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell final Handler handler = getHandler(); 26589d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (handler != null) { 26599d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell handler.removeCallbacks(mPendingCheckForLongPress); 26609d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell } 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26629d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell if (mVelocityTracker != null) { 26639d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mVelocityTracker.recycle(); 26649d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mVelocityTracker = null; 26659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26664cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 26674cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 26684cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 26694cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 26704cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 26714cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 26724cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 26734cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = mMotionX; 26744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = mMotionY; 26754cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int motionPosition = pointToPosition(x, y); 26764cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (motionPosition >= 0) { 26774cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // Remember where the motion event started 26784cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell v = getChildAt(motionPosition - mFirstPosition); 26794cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionViewOriginalTop = v.getTop(); 26804cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionPosition = motionPosition; 26814cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 26824cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mLastY = y; 26834cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 26849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26890a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 26909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.draw(canvas); 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 26949d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mFastScroller.draw(canvas); 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 27009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = ev.getAction(); 27019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v; 27020a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 27039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFastScroller != null) { 27049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean intercepted = mFastScroller.onInterceptTouchEvent(ev); 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intercepted) { 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27090a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 27104cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell switch (action & MotionEvent.ACTION_MASK) { 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: { 271279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int touchMode = mTouchMode; 271379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 27144cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int x = (int) ev.getX(); 27154cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(); 27164cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(0); 27174cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int motionPosition = findMotionRow(y); 271979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) { 27209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // User clicked on an actual view (and was not stopping a fling). 27219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember where the motion event started 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = getChildAt(motionPosition - mFirstPosition); 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionViewOriginalTop = v.getTop(); 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionX = x; 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionY = y; 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionPosition = motionPosition; 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_DOWN; 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 27299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastY = Integer.MIN_VALUE; 273179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (touchMode == TOUCH_MODE_FLING) { 27324b4f40f84e72579417604143e5f42115769649b8Romain Guy return true; 27334b4f40f84e72579417604143e5f42115769649b8Romain Guy } 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_MOVE: { 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mTouchMode) { 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case TOUCH_MODE_DOWN: 27404cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 27414cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int y = (int) ev.getY(pointerIndex); 27429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (startScrollIfNeeded(y - mMotionY)) { 27439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 27449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: { 27519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 27524cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = INVALID_POINTER; 27539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 27549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 27559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27564cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 27574cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell case MotionEvent.ACTION_POINTER_UP: { 27584cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell onSecondaryPointerUp(ev); 27594cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell break; 27604cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 27619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27654cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell 27664cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell private void onSecondaryPointerUp(MotionEvent ev) { 27674cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 27684cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 27694cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int pointerId = ev.getPointerId(pointerIndex); 27704cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (pointerId == mActivePointerId) { 27714cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // This was our active pointer going up. Choose a new 27724cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // active pointer and adjust accordingly. 27734cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell // TODO: Make this decision more intelligent. 27744cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 27754cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionX = (int) ev.getX(newPointerIndex); 27764cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mMotionY = (int) ev.getY(newPointerIndex); 27774cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 27784cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell if (mVelocityTracker != null) { 27794cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell mVelocityTracker.clear(); 27804cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 27814cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 27824cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell } 27839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 27869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 27899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getChildCount(); 27909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 27919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ListAdapter adapter = mAdapter; 27929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter == null) { 27949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 27959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 27989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = getChildAt(i); 27999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (adapter.isEnabled(firstPosition + i)) { 28009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 28019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 28039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fires an "on scroll state changed" event to the registered 28089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.AbsListView.OnScrollListener}, if any. The state change 28099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is fired only if the specified state is different from the previously known state. 28109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newState The new scroll state. 28129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reportScrollStateChange(int newState) { 28149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newState != mLastScrollState) { 28159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnScrollListener != null) { 28169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnScrollListener.onScrollStateChanged(this, newState); 28179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastScrollState = newState; 28189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Responsible for fling behavior. Use {@link #start(int)} to 28249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * initiate a fling. Each frame of the fling is handled in {@link #run()}. 28259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A FlingRunnable will keep re-posting itself until the fling is done. 28269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FlingRunnable implements Runnable { 28299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tracks the decay of a fling scroll 28319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28329d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell private final Scroller mScroller; 28339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Y value reported by mScroller on the previous fling 28369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLastFlingY; 28389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 283979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell FlingRunnable() { 28409d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell mScroller = new Scroller(getContext()); 28419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 284379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell void start(int initialVelocity) { 28449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialY = initialVelocity < 0 ? Integer.MAX_VALUE : 0; 28459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastFlingY = initialY; 28469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScroller.fling(0, initialY, 0, initialVelocity, 28479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, Integer.MAX_VALUE, 0, Integer.MAX_VALUE); 28489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_FLING; 28499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(this); 28509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (PROFILE_FLINGING) { 28529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mFlingProfilingStarted) { 28539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.startMethodTracing("AbsListViewFling"); 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlingProfilingStarted = true; 28559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2858458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2859458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void startScroll(int distance, int duration) { 2860458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int initialY = distance < 0 ? Integer.MAX_VALUE : 0; 2861458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastFlingY = initialY; 2862458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScroller.startScroll(0, initialY, 0, distance, duration); 2863458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTouchMode = TOUCH_MODE_FLING; 2864458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 2865458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2866458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 28679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void endFling() { 28689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 2869458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 287079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell removeCallbacks(this); 2871458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller != null) { 2872458034799861fef47e00d85d528b4dac5e00bd51Adam Powell removeCallbacks(mPositionScroller); 2873458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 287421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 287521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 287621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy clearScrollingCache(); 28779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 288079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell switch (mTouchMode) { 288179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell default: 28829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 288379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 288479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell case TOUCH_MODE_FLING: { 288579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (mItemCount == 0 || getChildCount() == 0) { 288679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell endFling(); 288779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell return; 288879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 28899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28909d32d24dbd8a015c9d5c44ed4901d5a666eb8e7fAdam Powell final Scroller scroller = mScroller; 289179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell boolean more = scroller.computeScrollOffset(); 289279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell final int y = scroller.getCurrY(); 28939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // Flip sign to convert finger direction to list items direction 289579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // (e.g. finger moving down means list is moving towards the top) 289679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int delta = mLastFlingY - y; 28979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // Pretend that each frame of a fling scroll is a touch scroll 289979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (delta > 0) { 290079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // List is moving towards the top. Use first view as mMotionPosition 290179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mMotionPosition = mFirstPosition; 290279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell final View firstView = getChildAt(0); 290379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mMotionViewOriginalTop = firstView.getTop(); 29049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 290579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // Don't fling more than 1 screen 290679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell delta = Math.min(getHeight() - mPaddingBottom - mPaddingTop - 1, delta); 290779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } else { 290879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // List is moving towards the bottom. Use last view as mMotionPosition 290979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell int offsetToLast = getChildCount() - 1; 291079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mMotionPosition = mFirstPosition + offsetToLast; 29119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 291279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell final View lastView = getChildAt(offsetToLast); 291379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mMotionViewOriginalTop = lastView.getTop(); 29149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 291579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell // Don't fling more than 1 screen 291679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta); 291779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 29189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919299acb581205b6574bfa91824b1b887e265c4c40Marc Blank // Don't stop just because delta is zero (it could have been rounded) 2920299acb581205b6574bfa91824b1b887e265c4c40Marc Blank final boolean atEnd = trackMotionScroll(delta, delta) && (delta != 0); 29219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2922a0d645cb6980113a624e6e70a7fa9ae5e91bbac8Adam Powell if (more && !atEnd) { 292379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell invalidate(); 292479ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mLastFlingY = y; 292579ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell post(this); 292679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } else { 292779ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell endFling(); 292879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 292979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (PROFILE_FLINGING) { 293079ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell if (mFlingProfilingStarted) { 293179ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell Debug.stopMethodTracing(); 293279ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell mFlingProfilingStarted = false; 293379ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 29349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 293679ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell break; 29379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 293879ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell } 293979ac3395b58de5b99f0bb43d8950f6b95348326dAdam Powell 29409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2942458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2943458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2944458034799861fef47e00d85d528b4dac5e00bd51Adam Powell class PositionScroller implements Runnable { 2945458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int SCROLL_DURATION = 400; 2946458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2947458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_POS = 1; 2948458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_POS = 2; 2949458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_DOWN_BOUND = 3; 2950458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private static final int MOVE_UP_BOUND = 4; 2951e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private static final int MOVE_OFFSET = 5; 2952458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2953458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mMode; 2954458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mTargetPos; 2955458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mBoundPos; 2956458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mLastSeenPos; 2957458034799861fef47e00d85d528b4dac5e00bd51Adam Powell private int mScrollDuration; 295852964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne private final int mExtraScroll; 2959e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 2960e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell private int mOffsetFromTop; 2961458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2962458034799861fef47e00d85d528b4dac5e00bd51Adam Powell PositionScroller() { 2963458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mExtraScroll = ViewConfiguration.get(mContext).getScaledFadingEdgeLength(); 2964458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2965458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2966458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void start(int position) { 2967458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 2968458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + getChildCount() - 1; 2969458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 29704bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 2971458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position <= firstPos) { 2972458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = firstPos - position + 1; 2973458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 2974458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else if (position >= lastPos) { 2975458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = position - lastPos + 1; 2976458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 2977458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 2978458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Already on screen, nothing to do 2979458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 2980458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2981458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2982458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 2983458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 2984458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 2985458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 2986458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2987458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTargetPos = position; 2988458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = INVALID_POSITION; 2989458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 2990458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2991458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 2992458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2993458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 2994458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void start(int position, int boundPosition) { 2995458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosition == INVALID_POSITION) { 2996458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start(position); 2997458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 2998458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 2999458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3000458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 3001458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + getChildCount() - 1; 3002458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 30034bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 3004fee20911e3ec97af64e4ac2c519d75b5f75e2a27Adam Powell if (position <= firstPos) { 3005458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromLast = lastPos - boundPosition; 3006458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromLast < 1) { 3007458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 3008458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3009458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3010458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3011458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int posTravel = firstPos - position + 1; 3012458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromLast - 1; 3013458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 3014458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 3015458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_BOUND; 3016458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3017458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 3018458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_UP_POS; 3019458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3020fee20911e3ec97af64e4ac2c519d75b5f75e2a27Adam Powell } else if (position >= lastPos) { 3021458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundPosFromFirst = boundPosition - firstPos; 3022458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundPosFromFirst < 1) { 3023458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Moving would shift our bound position off the screen. Abort. 3024458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3025458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3026458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3027458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int posTravel = position - lastPos + 1; 3028458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int boundTravel = boundPosFromFirst - 1; 3029458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (boundTravel < posTravel) { 3030458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = boundTravel; 3031458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_BOUND; 3032458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3033458034799861fef47e00d85d528b4dac5e00bd51Adam Powell viewTravelCount = posTravel; 3034458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMode = MOVE_DOWN_POS; 3035458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3036458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3037458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Already on screen, nothing to do 3038458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3039458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3040458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3041458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (viewTravelCount > 0) { 3042458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION / viewTravelCount; 3043458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3044458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration = SCROLL_DURATION; 3045458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3046458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mTargetPos = position; 3047458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBoundPos = boundPosition; 3048458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = INVALID_POSITION; 3049458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3050458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3051458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3052e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3053e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell void startWithOffset(int position, int offset) { 3054322171b333a1c796fcc1428a96ea1d854a3881faErik startWithOffset(position, offset, SCROLL_DURATION); 3055322171b333a1c796fcc1428a96ea1d854a3881faErik } 3056322171b333a1c796fcc1428a96ea1d854a3881faErik 3057322171b333a1c796fcc1428a96ea1d854a3881faErik void startWithOffset(int position, int offset, int duration) { 3058e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mTargetPos = position; 3059e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mOffsetFromTop = offset; 3060e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mBoundPos = INVALID_POSITION; 3061e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mLastSeenPos = INVALID_POSITION; 3062e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mMode = MOVE_OFFSET; 3063e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3064e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int firstPos = mFirstPosition; 3065371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int childCount = getChildCount(); 3066371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 3067e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 30684bede9e425875542976a422222510fa4056a8339Romain Guy int viewTravelCount; 3069e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 3070e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell viewTravelCount = firstPos - position; 3071e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 3072e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell viewTravelCount = position - lastPos; 3073e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 3074e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 3075e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 3076322171b333a1c796fcc1428a96ea1d854a3881faErik smoothScrollBy(targetTop - offset, duration); 3077e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell return; 3078e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3079e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3080371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell // Estimate how many screens we should travel 30814ef1da3c04aed2fc7af7796a731f5cf00712ae02Daniel Lehmann final float screenTravelCount = (float) viewTravelCount / childCount; 3082322171b333a1c796fcc1428a96ea1d854a3881faErik mScrollDuration = screenTravelCount < 1 ? (int) (screenTravelCount * duration) : 3083322171b333a1c796fcc1428a96ea1d854a3881faErik (int) (duration / screenTravelCount); 3084371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = INVALID_POSITION; 3085234a5715309ea74757780aff6123e3144efb5b69Adam Powell 3086e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3087e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3088e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3089458034799861fef47e00d85d528b4dac5e00bd51Adam Powell void stop() { 3090458034799861fef47e00d85d528b4dac5e00bd51Adam Powell removeCallbacks(this); 3091458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3092e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3093458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void run() { 3094371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell if (mTouchMode != TOUCH_MODE_FLING && mLastSeenPos != INVALID_POSITION) { 3095371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell return; 3096371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell } 3097371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell 3098458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int listHeight = getHeight(); 3099458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPos = mFirstPosition; 3100458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3101458034799861fef47e00d85d528b4dac5e00bd51Adam Powell switch (mMode) { 3102458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_POS: { 3103458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 1; 3104458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 31050b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell 31060b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (lastViewIndex < 0) { 31070b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 31080b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 3109458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3110458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 3111458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3112458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3113458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3114458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3115458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3116458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 3117458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 3118458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 3119458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 3120029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int extraScroll = lastPos < mItemCount - 1 ? mExtraScroll : mListPadding.bottom; 3121458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3122029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell smoothScrollBy(lastViewHeight - lastViewPixelsShowing + extraScroll, 3123458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration); 3124458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3125458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 31267e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos < mTargetPos) { 3127458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3128458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3129458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3130458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3131458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3132458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_DOWN_BOUND: { 3133458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewIndex = 1; 3134029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int childCount = getChildCount(); 3135029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 3136029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (firstPos == mBoundPos || childCount <= nextViewIndex 3137029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell || firstPos + childCount >= mItemCount) { 3138458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3139458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3140458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextPos = firstPos + nextViewIndex; 3141458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3142458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (nextPos == mLastSeenPos) { 3143458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3144458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3145458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3146458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3147458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3148458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View nextView = getChildAt(nextViewIndex); 3149458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewHeight = nextView.getHeight(); 3150458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int nextViewTop = nextView.getTop(); 3151458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int extraScroll = mExtraScroll; 31527e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (nextPos < mBoundPos) { 3153458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(Math.max(0, nextViewHeight + nextViewTop - extraScroll), 3154458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mScrollDuration); 3155458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3156458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = nextPos; 3157458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3158458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3159458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3160458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (nextViewTop > extraScroll) { 3161458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(nextViewTop - extraScroll, mScrollDuration); 3162458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3163458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3164458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3165458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3166458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3167458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_POS: { 3168458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (firstPos == mLastSeenPos) { 3169458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3170458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3171458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3172458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3173458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3174458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View firstView = getChildAt(0); 31750b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell if (firstView == null) { 31760b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell return; 31770b8bb4282a7d1afb24f8c4d5beb2ca4ecc731116Adam Powell } 3178458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstViewTop = firstView.getTop(); 3179029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final int extraScroll = firstPos > 0 ? mExtraScroll : mListPadding.top; 3180458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3181029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell smoothScrollBy(firstViewTop - extraScroll, mScrollDuration); 3182458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3183458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = firstPos; 3184458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 31857e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (firstPos > mTargetPos) { 3186458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3187458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3188458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3189458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3190458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3191458034799861fef47e00d85d528b4dac5e00bd51Adam Powell case MOVE_UP_BOUND: { 3192458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewIndex = getChildCount() - 2; 3193458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastViewIndex < 0) { 3194458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3195458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3196458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastPos = firstPos + lastViewIndex; 3197458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3198458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (lastPos == mLastSeenPos) { 3199458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // No new views, let things keep going. 3200458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3201458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return; 3202458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3203458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3204458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View lastView = getChildAt(lastViewIndex); 3205458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewHeight = lastView.getHeight(); 3206458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewTop = lastView.getTop(); 3207458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewPixelsShowing = listHeight - lastViewTop; 3208458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mLastSeenPos = lastPos; 32097e5e3745cf0103219a13071fbd488c3c01da85d9Adam Powell if (lastPos > mBoundPos) { 3210458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(-(lastViewPixelsShowing - mExtraScroll), mScrollDuration); 3211458034799861fef47e00d85d528b4dac5e00bd51Adam Powell post(this); 3212458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3213458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int bottom = listHeight - mExtraScroll; 3214458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int lastViewBottom = lastViewTop + lastViewHeight; 3215458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (bottom > lastViewBottom) { 3216458034799861fef47e00d85d528b4dac5e00bd51Adam Powell smoothScrollBy(-(bottom - lastViewBottom), mScrollDuration); 3217458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3218458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3219458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3220458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3221458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3222e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell case MOVE_OFFSET: { 3223234a5715309ea74757780aff6123e3144efb5b69Adam Powell if (mLastSeenPos == firstPos) { 3224234a5715309ea74757780aff6123e3144efb5b69Adam Powell // No new views, let things keep going. 3225234a5715309ea74757780aff6123e3144efb5b69Adam Powell post(this); 3226234a5715309ea74757780aff6123e3144efb5b69Adam Powell return; 3227234a5715309ea74757780aff6123e3144efb5b69Adam Powell } 3228e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3229371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell mLastSeenPos = firstPos; 3230234a5715309ea74757780aff6123e3144efb5b69Adam Powell 3231234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int childCount = getChildCount(); 3232e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int position = mTargetPos; 3233371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell final int lastPos = firstPos + childCount - 1; 3234e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3235e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (position < firstPos) { 3236371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell smoothScrollBy(-getHeight(), mScrollDuration); 3237e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3238e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else if (position > lastPos) { 3239371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell smoothScrollBy(getHeight(), mScrollDuration); 3240e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell post(this); 3241e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } else { 3242e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell // On-screen, just scroll. 3243e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell final int targetTop = getChildAt(position - firstPos).getTop(); 3244234a5715309ea74757780aff6123e3144efb5b69Adam Powell final int distance = targetTop - mOffsetFromTop; 3245234a5715309ea74757780aff6123e3144efb5b69Adam Powell smoothScrollBy(distance, 3246234a5715309ea74757780aff6123e3144efb5b69Adam Powell (int) (mScrollDuration * ((float) distance / getHeight()))); 3247e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3248e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell break; 3249e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3250e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3251458034799861fef47e00d85d528b4dac5e00bd51Adam Powell default: 3252458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3253458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3254458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3255458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3256458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3257458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 32584bede9e425875542976a422222510fa4056a8339Romain Guy * The amount of friction applied to flings. The default value 32594bede9e425875542976a422222510fa4056a8339Romain Guy * is {@link ViewConfiguration#getScrollFriction}. 32604bede9e425875542976a422222510fa4056a8339Romain Guy * 32614bede9e425875542976a422222510fa4056a8339Romain Guy * @return A scalar dimensionless value representing the coefficient of 32624bede9e425875542976a422222510fa4056a8339Romain Guy * friction. 32634bede9e425875542976a422222510fa4056a8339Romain Guy */ 32644bede9e425875542976a422222510fa4056a8339Romain Guy public void setFriction(float friction) { 32654bede9e425875542976a422222510fa4056a8339Romain Guy if (mFlingRunnable == null) { 32664bede9e425875542976a422222510fa4056a8339Romain Guy mFlingRunnable = new FlingRunnable(); 32674bede9e425875542976a422222510fa4056a8339Romain Guy } 32684bede9e425875542976a422222510fa4056a8339Romain Guy mFlingRunnable.mScroller.setFriction(friction); 32694bede9e425875542976a422222510fa4056a8339Romain Guy } 327021317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy 327121317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy /** 327221317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * Sets a scale factor for the fling velocity. The initial scale 327321317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * factor is 1.0. 327421317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * 327521317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy * @param scale The scale factor to multiply the velocity by. 327621317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy */ 327721317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy public void setVelocityScale(float scale) { 327821317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy mVelocityScale = scale; 327921317d1ddaa7c7204dfea9b38f87c6991f4a41afRomain Guy } 32804bede9e425875542976a422222510fa4056a8339Romain Guy 32814bede9e425875542976a422222510fa4056a8339Romain Guy /** 3282458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 3283458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed. 3284458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 3285458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 3286458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position) { 3287458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 3288458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 3289458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3290458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position); 3291458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3292322171b333a1c796fcc1428a96ea1d854a3881faErik 3293322171b333a1c796fcc1428a96ea1d854a3881faErik /** 3294322171b333a1c796fcc1428a96ea1d854a3881faErik * Smoothly scroll to the specified adapter position. The view will scroll 3295322171b333a1c796fcc1428a96ea1d854a3881faErik * such that the indicated position is displayed <code>offset</code> pixels from 3296322171b333a1c796fcc1428a96ea1d854a3881faErik * the top edge of the view. If this is impossible, (e.g. the offset would scroll 3297322171b333a1c796fcc1428a96ea1d854a3881faErik * the first or last item beyond the boundaries of the list) it will get as close 3298322171b333a1c796fcc1428a96ea1d854a3881faErik * as possible. The scroll will take <code>duration</code> milliseconds to complete. 3299322171b333a1c796fcc1428a96ea1d854a3881faErik * 3300322171b333a1c796fcc1428a96ea1d854a3881faErik * @param position Position to scroll to 3301322171b333a1c796fcc1428a96ea1d854a3881faErik * @param offset Desired distance in pixels of <code>position</code> from the top 3302322171b333a1c796fcc1428a96ea1d854a3881faErik * of the view when scrolling is finished 3303322171b333a1c796fcc1428a96ea1d854a3881faErik * @param duration Number of milliseconds to use for the scroll 3304322171b333a1c796fcc1428a96ea1d854a3881faErik */ 3305322171b333a1c796fcc1428a96ea1d854a3881faErik public void smoothScrollToPositionFromTop(int position, int offset, int duration) { 3306322171b333a1c796fcc1428a96ea1d854a3881faErik if (mPositionScroller == null) { 3307322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller = new PositionScroller(); 3308322171b333a1c796fcc1428a96ea1d854a3881faErik } 3309322171b333a1c796fcc1428a96ea1d854a3881faErik mPositionScroller.startWithOffset(position, offset, duration); 3310322171b333a1c796fcc1428a96ea1d854a3881faErik } 3311322171b333a1c796fcc1428a96ea1d854a3881faErik 3312458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 3313e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * Smoothly scroll to the specified adapter position. The view will scroll 3314e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * such that the indicated position is displayed <code>offset</code> pixels from 3315e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the top edge of the view. If this is impossible, (e.g. the offset would scroll 3316e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * the first or last item beyond the boundaries of the list) it will get as close 3317e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * as possible. 3318e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * 3319e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param position Position to scroll to 3320e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * @param offset Desired distance in pixels of <code>position</code> from the top 3321e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell * of the view when scrolling is finished 3322e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell */ 3323e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell public void smoothScrollToPositionFromTop(int position, int offset) { 3324e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell if (mPositionScroller == null) { 3325e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller = new PositionScroller(); 3326e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3327e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell mPositionScroller.startWithOffset(position, offset); 3328e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell } 3329e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell 3330e44afae7ff91edb80142fc62ce2bc2cb9d133d09Adam Powell /** 3331458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll to the specified adapter position. The view will 3332458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * scroll such that the indicated position is displayed, but it will 3333458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * stop early if scrolling further would scroll boundPosition out of 3334458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * view. 3335458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param position Scroll to this adapter position. 3336458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param boundPosition Do not scroll if it would move this adapter 3337458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * position out of view. 3338458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 3339458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollToPosition(int position, int boundPosition) { 3340458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mPositionScroller == null) { 3341458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller = new PositionScroller(); 3342458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3343458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mPositionScroller.start(position, boundPosition); 3344458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3345458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3346458034799861fef47e00d85d528b4dac5e00bd51Adam Powell /** 3347458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * Smoothly scroll by distance pixels over duration milliseconds. 3348458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param distance Distance to scroll in pixels. 3349458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @param duration Duration of the scroll animation in milliseconds. 3350458034799861fef47e00d85d528b4dac5e00bd51Adam Powell */ 3351458034799861fef47e00d85d528b4dac5e00bd51Adam Powell public void smoothScrollBy(int distance, int duration) { 3352458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (mFlingRunnable == null) { 3353458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFlingRunnable = new FlingRunnable(); 3354458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3355458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFlingRunnable.endFling(); 3356458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3357299acb581205b6574bfa91824b1b887e265c4c40Marc Blank // No sense starting to scroll if we're not going anywhere 3358299acb581205b6574bfa91824b1b887e265c4c40Marc Blank if (distance != 0) { 3359299acb581205b6574bfa91824b1b887e265c4c40Marc Blank mFlingRunnable.startScroll(distance, duration); 3360299acb581205b6574bfa91824b1b887e265c4c40Marc Blank } 3361458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 33629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3363499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 3364499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Allows RemoteViews to scroll relatively to a position. 3365499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 3366499cb9f516062b654952d282f211bee44c31a3c2Winson Chung void smoothScrollByOffset(int position) { 3367499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int index = -1; 3368499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (position < 0) { 3369499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getFirstVisiblePosition(); 3370499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if (position > 0) { 3371499cb9f516062b654952d282f211bee44c31a3c2Winson Chung index = getLastVisiblePosition(); 3372499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 3373499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 3374499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (index > -1) { 3375499cb9f516062b654952d282f211bee44c31a3c2Winson Chung View child = getChildAt(index - getFirstVisiblePosition()); 3376499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child != null) { 3377499cb9f516062b654952d282f211bee44c31a3c2Winson Chung Rect visibleRect = new Rect(); 3378499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (child.getGlobalVisibleRect(visibleRect)) { 3379499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the child is partially visible 3380499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int childRectArea = child.getWidth() * child.getHeight(); 3381499cb9f516062b654952d282f211bee44c31a3c2Winson Chung int visibleRectArea = visibleRect.width() * visibleRect.height(); 3382499cb9f516062b654952d282f211bee44c31a3c2Winson Chung float visibleArea = (visibleRectArea / (float) childRectArea); 3383499cb9f516062b654952d282f211bee44c31a3c2Winson Chung final float visibleThreshold = 0.75f; 3384499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if ((position < 0) && (visibleArea < visibleThreshold)) { 3385499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the top index is not perceivably visible so offset 3386499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that top index as well 3387499cb9f516062b654952d282f211bee44c31a3c2Winson Chung ++index; 3388499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } else if ((position > 0) && (visibleArea < visibleThreshold)) { 3389499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // the bottom index is not perceivably visible so offset 3390499cb9f516062b654952d282f211bee44c31a3c2Winson Chung // to account for showing that bottom index as well 3391499cb9f516062b654952d282f211bee44c31a3c2Winson Chung --index; 3392499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 3393499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 3394499cb9f516062b654952d282f211bee44c31a3c2Winson Chung smoothScrollToPosition(Math.max(0, Math.min(getCount(), index + position))); 3395499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 3396499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 3397499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 3398499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 33999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createScrollingCache() { 34009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScrollingCacheEnabled && !mCachingStarted) { 34019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawnWithCacheEnabled(true); 34029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(true); 34039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCachingStarted = true; 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void clearScrollingCache() { 34086dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (mClearScrollingCache == null) { 34096dfed24158b8fc9150abee23992db621cd82aa43Romain Guy mClearScrollingCache = new Runnable() { 34106dfed24158b8fc9150abee23992db621cd82aa43Romain Guy public void run() { 34116dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (mCachingStarted) { 34126dfed24158b8fc9150abee23992db621cd82aa43Romain Guy mCachingStarted = false; 34136dfed24158b8fc9150abee23992db621cd82aa43Romain Guy setChildrenDrawnWithCacheEnabled(false); 34146dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if ((mPersistentDrawingCache & PERSISTENT_SCROLLING_CACHE) == 0) { 34156dfed24158b8fc9150abee23992db621cd82aa43Romain Guy setChildrenDrawingCacheEnabled(false); 34166dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 34176dfed24158b8fc9150abee23992db621cd82aa43Romain Guy if (!isAlwaysDrawnWithCacheEnabled()) { 34186dfed24158b8fc9150abee23992db621cd82aa43Romain Guy invalidate(); 34196dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 34206dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 34216dfed24158b8fc9150abee23992db621cd82aa43Romain Guy } 34226dfed24158b8fc9150abee23992db621cd82aa43Romain Guy }; 34239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34246dfed24158b8fc9150abee23992db621cd82aa43Romain Guy post(mClearScrollingCache); 34259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Track a motion scroll 34299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deltaY Amount to offset mMotionView. This is the accumulated delta since the motion 34319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * began. Positive numbers mean the user's finger is moving down the screen. 34329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param incrementalDeltaY Change in deltaY from the previous event. 3433458034799861fef47e00d85d528b4dac5e00bd51Adam Powell * @return true if we're already at the beginning/end of the list and have nothing to do. 34349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3435458034799861fef47e00d85d528b4dac5e00bd51Adam Powell boolean trackMotionScroll(int deltaY, int incrementalDeltaY) { 34369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 34379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount == 0) { 3438458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 34399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstTop = getChildAt(0).getTop(); 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int lastBottom = getChildAt(childCount - 1).getBottom(); 34439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect listPadding = mListPadding; 34459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FIXME account for grid vertical spacing too? 34479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int spaceAbove = listPadding.top - firstTop; 34489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = getHeight() - listPadding.bottom; 34499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int spaceBelow = lastBottom - end; 34509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int height = getHeight() - mPaddingBottom - mPaddingTop; 34529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (deltaY < 0) { 34539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.max(-(height - 1), deltaY); 34549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 34559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project deltaY = Math.min(height - 1, deltaY); 34569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (incrementalDeltaY < 0) { 34599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.max(-(height - 1), incrementalDeltaY); 34609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 34619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incrementalDeltaY = Math.min(height - 1, incrementalDeltaY); 34629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3464458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int firstPosition = mFirstPosition; 34659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 346691f234fe4d070121d65095e98c9b2e958cf22548Adam Powell if (firstPosition == 0 && firstTop >= listPadding.top && deltaY >= 0) { 3467458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Don't need to move views down if the top of the first position 3468458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // is already visible 3469458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 3470458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 347291f234fe4d070121d65095e98c9b2e958cf22548Adam Powell if (firstPosition + childCount == mItemCount && lastBottom <= end && deltaY <= 0) { 3473458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // Don't need to move views up if the bottom of the last position 3474458034799861fef47e00d85d528b4dac5e00bd51Adam Powell // is already visible 3475458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return true; 3476458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 34779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3478458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final boolean down = incrementalDeltaY < 0; 34799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3480029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell final boolean inTouchMode = isInTouchMode(); 3481029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (inTouchMode) { 3482029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell hideSelector(); 3483029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 34849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3485458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int headerViewsCount = getHeaderViewsCount(); 3486458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int footerViewsStart = mItemCount - getFooterViewsCount(); 34879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3488458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int start = 0; 3489458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int count = 0; 34909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3491458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 3492458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int top = listPadding.top - incrementalDeltaY; 3493458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = 0; i < childCount; i++) { 3494458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 3495458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getBottom() >= top) { 3496458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3497458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3498458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 3499458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 3500458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 3501458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mRecycler.addScrapView(child); 3502458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3503458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (ViewDebug.TRACE_RECYCLER) { 3504458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.trace(child, 3505458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 3506458034799861fef47e00d85d528b4dac5e00bd51Adam Powell firstPosition + i, -1); 35079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3510458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3511458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3512458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int bottom = getHeight() - listPadding.bottom - incrementalDeltaY; 3513458034799861fef47e00d85d528b4dac5e00bd51Adam Powell for (int i = childCount - 1; i >= 0; i--) { 3514458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final View child = getChildAt(i); 3515458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (child.getTop() <= bottom) { 3516458034799861fef47e00d85d528b4dac5e00bd51Adam Powell break; 3517458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } else { 3518458034799861fef47e00d85d528b4dac5e00bd51Adam Powell start = i; 3519458034799861fef47e00d85d528b4dac5e00bd51Adam Powell count++; 3520458034799861fef47e00d85d528b4dac5e00bd51Adam Powell int position = firstPosition + i; 3521458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (position >= headerViewsCount && position < footerViewsStart) { 3522458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mRecycler.addScrapView(child); 3523458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3524458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (ViewDebug.TRACE_RECYCLER) { 3525458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.trace(child, 3526458034799861fef47e00d85d528b4dac5e00bd51Adam Powell ViewDebug.RecyclerTraceType.MOVE_TO_SCRAP_HEAP, 3527458034799861fef47e00d85d528b4dac5e00bd51Adam Powell firstPosition + i, -1); 35289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3532458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3533458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3534458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mMotionViewNewTop = mMotionViewOriginalTop + deltaY; 35359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3536458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = true; 35379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3538458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (count > 0) { 35399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project detachViewsFromParent(start, count); 3540458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3541458034799861fef47e00d85d528b4dac5e00bd51Adam Powell offsetChildrenTopAndBottom(incrementalDeltaY); 35429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3543458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (down) { 3544458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mFirstPosition += count; 3545458034799861fef47e00d85d528b4dac5e00bd51Adam Powell } 3546029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 3547458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invalidate(); 35489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549458034799861fef47e00d85d528b4dac5e00bd51Adam Powell final int absIncrementalDeltaY = Math.abs(incrementalDeltaY); 3550458034799861fef47e00d85d528b4dac5e00bd51Adam Powell if (spaceAbove < absIncrementalDeltaY || spaceBelow < absIncrementalDeltaY) { 3551458034799861fef47e00d85d528b4dac5e00bd51Adam Powell fillGap(down); 35529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3553458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3554029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell if (!inTouchMode && mSelectedPosition != INVALID_POSITION) { 35552a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell final int childIndex = mSelectedPosition - mFirstPosition; 35562a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell if (childIndex >= 0 && childIndex < getChildCount()) { 35572a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell positionSelector(getChildAt(childIndex)); 35582a20ddd90bb9eeab56ffaa916ed062dfd5cf7fa6Adam Powell } 3559029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell } 3560029cfbd6f28e1664e8ef77ea928560f20ac3fb8eAdam Powell 3561458034799861fef47e00d85d528b4dac5e00bd51Adam Powell mBlockLayoutRequests = false; 3562458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3563458034799861fef47e00d85d528b4dac5e00bd51Adam Powell invokeOnItemScrollListener(); 3564458034799861fef47e00d85d528b4dac5e00bd51Adam Powell awakenScrollBars(); 3565458034799861fef47e00d85d528b4dac5e00bd51Adam Powell 3566458034799861fef47e00d85d528b4dac5e00bd51Adam Powell return false; 35679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of header views in the list. Header views are special views 35719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the top of the list that should not be recycled during a layout. 35729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of header views, 0 in the default implementation. 35749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getHeaderViewsCount() { 35769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 35779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of footer views in the list. Footer views are special views 35819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * at the bottom of the list that should not be recycled during a layout. 35829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of footer views, 0 in the default implementation. 35849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int getFooterViewsCount() { 35869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 35879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fills the gap left open by a touch-scroll. During a touch scroll, children that 35919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remain on screen are shifted and the other ones are discarded. The role of this 35929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method is to fill the gap thus created by performing a partial layout in the 35939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * empty space. 35949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param down true if the scroll is going down, false if it is going up 35969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void fillGap(boolean down); 35989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void hideSelector() { 36009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition != INVALID_POSITION) { 3601ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell if (mLayoutMode != LAYOUT_SPECIFIC) { 3602ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell mResurrectToPosition = mSelectedPosition; 3603ab3e1052823620a91a1330b31da6aaf530ed8c3bAdam Powell } 36049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNextSelectedPosition >= 0 && mNextSelectedPosition != mSelectedPosition) { 36059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = mNextSelectedPosition; 36069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectedPositionInt(INVALID_POSITION); 36089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(INVALID_POSITION); 36099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedTop = 0; 36109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectorRect.setEmpty(); 36119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A position to select. First we try mSelectedPosition. If that has been clobbered by 36169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * entering touch mode, we then try mResurrectToPosition. Values are pinned to the range 36179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of items available in the adapter 36189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int reconcileSelectedPosition() { 36209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = mSelectedPosition; 36219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position < 0) { 36229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = mResurrectToPosition; 36239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.max(0, position); 36259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = Math.min(position, mItemCount - 1); 36269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 36279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the row closest to y. This row will be used as the motion row when scrolling 36319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y Where the user touched 36334cd47702f00a2fd6d6bc16c5398edb884d98bdcaAdam Powell * @return The position of the first (or only) item in the row containing y 36349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract int findMotionRow(int y); 36369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Causes all the views to be rebuilt and redrawn. 36399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateViews() { 36419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataChanged = true; 36429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rememberSyncState(); 36439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 36449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 36459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the item at the supplied position selected. 36499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position the position of the new selection 36519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract void setSelectionInt(int position); 36539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempt to bring the selection back if the user is switching from touch 36569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to trackball mode 36579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether selection was set to something. 36589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean resurrectSelection() { 36609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childCount = getChildCount(); 36619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childCount <= 0) { 36639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 36649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedTop = 0; 36679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedPos; 36689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenTop = mListPadding.top; 36699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childrenBottom = mBottom - mTop - mListPadding.bottom; 36709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int firstPosition = mFirstPosition; 36719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int toPosition = mResurrectToPosition; 36729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean down = true; 36739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition >= firstPosition && toPosition < firstPosition + childCount) { 36759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = toPosition; 36769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View selected = getChildAt(selectedPos - mFirstPosition); 36789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = selected.getTop(); 36799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectedBottom = selected.getBottom(); 36809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are scrolled, don't get in the fade 36829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedTop < childrenTop) { 36839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenTop + getVerticalFadingEdgeLength(); 36849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (selectedBottom > childrenBottom) { 36859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = childrenBottom - selected.getMeasuredHeight() 36869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project - getVerticalFadingEdgeLength(); 36879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 36899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (toPosition < firstPosition) { 36909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default to selecting whatever is first 36919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition; 36929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 36939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 36949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 36959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 36979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remember the position of the first item 36989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 36999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we are scrolled at all 37009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition > 0 || top < childrenTop) { 37019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are scrolled, don't select anything that is 37029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the fade region 37039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenTop += getVerticalFadingEdgeLength(); 37049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (top >= childrenTop) { 37079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found a view whose top is fully visisble 37089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 37099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 37109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 37119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 37149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int itemCount = mItemCount; 37159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project down = false; 37169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + childCount - 1; 37179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childCount - 1; i >= 0; i--) { 37199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = getChildAt(i); 37209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = v.getTop(); 37219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottom = v.getBottom(); 37229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == childCount - 1) { 37249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 37259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (firstPosition + childCount < itemCount || bottom > childrenBottom) { 37269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childrenBottom -= getVerticalFadingEdgeLength(); 37279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bottom <= childrenBottom) { 37319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = firstPosition + i; 37329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedTop = top; 37339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 37349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 37409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeCallbacks(mFlingRunnable); 3741371133174b84a72ba61d5dc53b34216bbf0ecf1cAdam Powell removeCallbacks(mPositionScroller); 37429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchMode = TOUCH_MODE_REST; 37439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearScrollingCache(); 37449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSpecificTop = selectedTop; 37459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = lookForSelectablePosition(selectedPos, down); 37469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedPos >= firstPosition && selectedPos <= getLastVisiblePosition()) { 37479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SPECIFIC; 37489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSelectionInt(selectedPos); 37499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnItemScrollListener(); 37509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 37519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectedPos = INVALID_POSITION; 37529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE); 37549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return selectedPos >= 0; 37569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 37599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void handleDataChanged() { 37609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mItemCount; 37619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > 0) { 37629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newPos; 37649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int selectablePos; 37669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find the row we are supposed to sync to 37689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNeedSync) { 37699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update this first, since setNextSelectedPositionInt inspects it 37709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 37719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTranscriptMode == TRANSCRIPT_MODE_ALWAYS_SCROLL || 37739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mTranscriptMode == TRANSCRIPT_MODE_NORMAL && 37749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstPosition + getChildCount() >= mOldItemCount)) { 37759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_FORCE_BOTTOM; 37769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 37779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mSyncMode) { 37809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_SELECTED_POSITION: 37819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isInTouchMode()) { 37829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We saved our state when not in touch mode. (We know this because 37839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSyncMode is SYNC_SELECTED_POSITION.) Now we are trying to 37849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // restore in touch mode. Just leave mSyncPosition as it is (possibly 37859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // adjusting if the available range changed) and return. 37869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 37879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 37889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 37909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 37919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we can find a position in the new data with the same 37929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // id as the old selection. This will change mSyncPosition. 37939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = findSyncPosition(); 37949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= 0) { 37959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Found it. Now verify that new selection is still selectable 37969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 37979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos == newPos) { 37989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Same row id is selected 37999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = newPos; 38009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSyncHeight == getHeight()) { 38029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are at the same height as when we saved state, try 38039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to restore the scroll position too. 38049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 38059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 38069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are not the same height as when the selection was saved, so 38079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't try to restore the exact position 38089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SET_SELECTION; 38099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Restore selection 38129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(newPos); 38139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 38149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 38189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SYNC_FIRST_POSITION: 38199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Leave mSyncPosition as it is -- just pin to available range 38209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = LAYOUT_SYNC; 38219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncPosition = Math.min(Math.max(0, mSyncPosition), count - 1); 38229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 38249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode()) { 38289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We couldn't find matching data -- try to use the same position 38299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = getSelectedItemPosition(); 38309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pin position to the available range 38329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos >= count) { 38339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = count - 1; 38349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newPos < 0) { 38369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newPos = 0; 38379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we select something selectable -- first look down 38409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, true); 38419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 38439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 38449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 38459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 38469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Looking down didn't work -- try looking up 38479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectablePos = lookForSelectablePosition(newPos, false); 38489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectablePos >= 0) { 38499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setNextSelectedPositionInt(selectablePos); 38509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 38519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 38549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We already know where we want to resurrect the selection 38569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mResurrectToPosition >= 0) { 38579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 38589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Nothing is selected. Give up and reset everything. 38649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutMode = mStackFromBottom ? LAYOUT_FORCE_BOTTOM : LAYOUT_FORCE_TOP; 38659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedPosition = INVALID_POSITION; 38669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRowId = INVALID_ROW_ID; 38679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedPosition = INVALID_POSITION; 38689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNextSelectedRowId = INVALID_ROW_ID; 38699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedSync = false; 38709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkSelectionChanged(); 38719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 387343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy @Override 387443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy protected void onDisplayHint(int hint) { 387543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy super.onDisplayHint(hint); 387643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy switch (hint) { 387743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case INVISIBLE: 387843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 387943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy dismissPopup(); 388043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 388143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 388243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy case VISIBLE: 388343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mFiltered && mPopup != null && !mPopup.isShowing()) { 388443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy showPopup(); 388543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 388643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy break; 388743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 388824562487126b48c8ff39a42b76f3705f238da6c8Romain Guy mPopupHidden = hint == INVISIBLE; 388943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 389043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy 38919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 38929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the filter window 38939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3894d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy private void dismissPopup() { 38959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null) { 38969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.dismiss(); 38979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Shows the filter window 39029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 39039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void showPopup() { 39049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we have a window before showing the popup 39059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getWindowVisibility() == View.VISIBLE) { 39064df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project createTextFilter(true); 3907b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project positionPopup(); 39089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we get focus if we are showing the popup 39099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkFocus(); 39109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3913b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project private void positionPopup() { 39149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int screenHeight = getResources().getDisplayMetrics().heightPixels; 39159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] xy = new int[2]; 39169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getLocationOnScreen(xy); 391724443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // TODO: The 20 below should come from the theme 39189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: And the gravity should be defined in the theme as well 39199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int bottomGap = screenHeight - xy[1] - getHeight() + (int) (mDensityScale * 20); 3920b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!mPopup.isShowing()) { 39219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 39229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xy[0], bottomGap); 39239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 39249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.update(xy[0], bottomGap, -1, -1); 39259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * What is the distance between the source and destination rectangles given the direction of 39309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus navigation between them? The direction basically helps figure out more quickly what is 39319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * self evident by the relationship between the rects... 39329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source the source rectangle 39349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dest the destination rectangle 39359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction the direction 39369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the distance between the rectangles 39379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 39389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static int getDistance(Rect source, Rect dest, int direction) { 39399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sX, sY; // source x, y 39409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dX, dY; // dest x, y 39419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (direction) { 39429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_RIGHT: 39439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.right; 39449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 39459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left; 39469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 39479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_DOWN: 39499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 39509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.bottom; 39519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 39529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top; 39539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_LEFT: 39559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left; 39569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top + source.height() / 2; 39579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.right; 39589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.top + dest.height() / 2; 39599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_UP: 39619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sX = source.left + source.width() / 2; 39629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sY = source.top; 39639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dX = dest.left + dest.width() / 2; 39649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dY = dest.bottom; 39659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 39669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 39679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("direction must be one of " 39689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT}."); 39699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaX = dX - sX; 39719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int deltaY = dY - sY; 39729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return deltaY * deltaY + deltaX * deltaX; 39739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 39769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isInFilterMode() { 39779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 39789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 39819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sends a key to the text filter window 39829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param keyCode The keycode for the event 39849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param event The actual key event 39859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the text filter handled the event, false otherwise. 39879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 39889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean sendToTextFilter(int keyCode, int count, KeyEvent event) { 3989b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (!acceptFilter()) { 39909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 39919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 39949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean okToSend = true; 39959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 39969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 39979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 39989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 39999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 40009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 40019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 40029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 40039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_BACK: 400583fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn if (mFiltered && mPopup != null && mPopup.isShowing()) { 40068d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn if (event.getAction() == KeyEvent.ACTION_DOWN 40078d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn && event.getRepeatCount() == 0) { 40088d37426c754e9822feaa8c6cc0b7c13e8523e217Dianne Hackborn getKeyDispatcherState().startTracking(event, this); 400983fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 401083fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } else if (event.getAction() == KeyEvent.ACTION_UP 401183fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn && event.isTracking() && !event.isCanceled()) { 401283fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn handled = true; 401383fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn mTextFilter.setText(""); 401483fe3f559249451706957b1a5f660b2b8272f114Dianne Hackborn } 40159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project okToSend = false; 40179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_SPACE: 40199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only send spaces once we are filtered 4020cf6c5720a759709db69f253c36646d22ceb23f90Romain Guy okToSend = mFiltered; 40219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4024b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (okToSend) { 40259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project createTextFilter(true); 40269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent forwardEvent = event; 40289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (forwardEvent.getRepeatCount() > 0) { 4029105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project forwardEvent = KeyEvent.changeTimeRepeat(event, event.getEventTime(), 0); 40309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 40339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (action) { 40349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_DOWN: 40359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyDown(keyCode, forwardEvent); 40369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_UP: 40399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyUp(keyCode, forwardEvent); 40409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.ACTION_MULTIPLE: 40439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = mTextFilter.onKeyMultiple(keyCode, count, event); 40449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 40459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 40489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 40509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4051b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * Return an InputConnection for editing of the filter text. 4052b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 4053b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 4054b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 4055c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (isTextFilterEnabled()) { 4056c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // XXX we need to have the text filter created, so we can get an 4057c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // InputConnection to proxy to. Unfortunately this means we pretty 4058c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project // much need to make it as soon as a list view gets focus. 4059c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project createTextFilter(false); 40601bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (mPublicInputConnection == null) { 40611bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mDefInputConnection = new BaseInputConnection(this, false); 40621bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mPublicInputConnection = new InputConnectionWrapper( 40631bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn mTextFilter.onCreateInputConnection(outAttrs), true) { 40641bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 40651bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean reportFullscreenMode(boolean enabled) { 40661bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // Use our own input connection, since it is 40671bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // the "real" one the IME is talking with. 40681bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mDefInputConnection.reportFullscreenMode(enabled); 40691bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 40701bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 40711bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 40721bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean performEditorAction(int editorAction) { 40731bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // The editor is off in its own window; we need to be 40741bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // the one that does this. 40751bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (editorAction == EditorInfo.IME_ACTION_DONE) { 40761bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn InputMethodManager imm = (InputMethodManager) 40771bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn getContext().getSystemService( 40781bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn Context.INPUT_METHOD_SERVICE); 40791bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn if (imm != null) { 40801bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn imm.hideSoftInputFromWindow(getWindowToken(), 0); 40811bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 40821bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return true; 40831bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 40841bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return false; 40851bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 40861bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn 40871bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn @Override 40881bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn public boolean sendKeyEvent(KeyEvent event) { 40891bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // Use our own input connection, since the filter 40901bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // text view may not be shown in a window so has 40911bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn // no ViewRoot to dispatch events with. 40921bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mDefInputConnection.sendKeyEvent(event); 40931bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 40941bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn }; 40951bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn } 40961bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.inputType = EditorInfo.TYPE_CLASS_TEXT 40971bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn | EditorInfo.TYPE_TEXT_VARIATION_FILTER; 40981bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE; 40991bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn return mPublicInputConnection; 4100c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project } 4101c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project return null; 4102b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 41030a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4104b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 4105b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * For filtering we proxy an input connection to an internal text editor, 4106b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project * and this allows the proxying to happen. 4107b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project */ 4108b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project @Override 4109b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project public boolean checkInputConnectionProxy(View view) { 4110b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project return view == mTextFilter; 4111b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project } 41120a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 4113b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project /** 41149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the window for the text filter and populates it with an EditText field; 41159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 41169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animateEntrance true if the window should appear with an animation 41179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void createTextFilter(boolean animateEntrance) { 41199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup == null) { 41209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context c = getContext(); 41219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PopupWindow p = new PopupWindow(c); 41224df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project LayoutInflater layoutInflater = (LayoutInflater) 41234df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project c.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 41249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter = (EditText) layoutInflater.inflate( 41259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.layout.typing_filter, null); 4126b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // For some reason setting this as the "real" input type changes 4127b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // the text view in some way that it doesn't work, and I don't 4128b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project // want to figure out why this is. 4129b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project mTextFilter.setRawInputType(EditorInfo.TYPE_CLASS_TEXT 4130b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project | EditorInfo.TYPE_TEXT_VARIATION_FILTER); 4131105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project mTextFilter.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI); 41329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.addTextChangedListener(this); 41339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setFocusable(false); 41349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setTouchable(false); 41359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 41369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setContentView(mTextFilter); 41379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setWidth(LayoutParams.WRAP_CONTENT); 41389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setHeight(LayoutParams.WRAP_CONTENT); 41399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setBackgroundDrawable(null); 41409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup = p; 41419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getViewTreeObserver().addOnGlobalLayoutListener(this); 4142d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy mGlobalLayoutListenerAddedFilter = true; 41439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animateEntrance) { 41459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilter); 41469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 41479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPopup.setAnimationStyle(com.android.internal.R.style.Animation_TypingFilterRestore); 41489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear the text filter. 41539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearTextFilter() { 41559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFiltered) { 41569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextFilter.setText(""); 41579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 41589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPopup != null && mPopup.isShowing()) { 41599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 41609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns if the ListView currently has a text filter. 41669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasTextFilter() { 41689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFiltered; 41699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onGlobalLayout() { 41729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isShown()) { 41739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the popup if we are filtered 417424562487126b48c8ff39a42b76f3705f238da6c8Romain Guy if (mFiltered && mPopup != null && !mPopup.isShowing() && !mPopupHidden) { 41759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 41769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 41789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Hide the popup when we are no longer visible 417943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy if (mPopup != null && mPopup.isShowing()) { 41809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissPopup(); 41819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41871bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 41881bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 41899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beforeTextChanged(CharSequence s, int start, int count, int after) { 41919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 41941bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Performs 41951bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * the actual filtering as the text changes, and takes care of hiding and 41961bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * showing the popup displaying the currently entered filter text. 41979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 41989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTextChanged(CharSequence s, int start, int before, int count) { 4199c39a6e0c51e182338deb8b63d07933b585134929The Android Open Source Project if (mPopup != null && isTextFilterEnabled()) { 42009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = s.length(); 42019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean showing = mPopup.isShowing(); 42029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!showing && length > 0) { 42039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Show the filter popup if necessary 42049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project showPopup(); 42059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = true; 42069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (showing && length == 0) { 42079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove the filter popup if the user has cleared all text 42081bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn dismissPopup(); 42099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFiltered = false; 42109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAdapter instanceof Filterable) { 42129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Filter f = ((Filterable) mAdapter).getFilter(); 42139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Filter should not be null when we reach this part 42149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (f != null) { 42159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f.filter(s, this); 42169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 42179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("You cannot call onTextChanged with a non " 42189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "filterable adapter"); 42199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42251bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * For our text watcher that is associated with the text filter. Does 42261bf5e22da72b477c8b7a45ed85a4dba94be39db5Dianne Hackborn * nothing. 42279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 42289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void afterTextChanged(Editable s) { 42299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onFilterComplete(int count) { 42329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedPosition < 0 && count > 0) { 42339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResurrectToPosition = INVALID_POSITION; 42349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resurrectSelection(); 42359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 42399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 42409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(p); 42419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 42449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 42459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new AbsListView.LayoutParams(getContext(), attrs); 42469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 42499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 42509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p instanceof AbsListView.LayoutParams; 42519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts the list or grid into transcript mode. In this mode the list or grid will always scroll 42559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the bottom to show new items. 42569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 42579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the transcript mode to set 42589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 42599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_DISABLED 42609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_NORMAL 42619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #TRANSCRIPT_MODE_ALWAYS_SCROLL 42629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 42639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTranscriptMode(int mode) { 42649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTranscriptMode = mode; 42659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current transcript mode. 42699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 42709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #TRANSCRIPT_MODE_DISABLED}, {@link #TRANSCRIPT_MODE_NORMAL} or 42719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #TRANSCRIPT_MODE_ALWAYS_SCROLL} 42729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 42739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTranscriptMode() { 42749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTranscriptMode; 42759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 42789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSolidColor() { 42799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 42809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 42845be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * on top of a solid, single-color, opaque background. 42855be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * 42865be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * Zero means that what's behind this object is translucent (non solid) or is not made of a 42875be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * single color. This hint will not affect any existing background drawable set on this view ( 42885be37c81a72c2085db87ae9e6f235de358e4b4cbDaisuke Miyakawa * typically set via {@link #setBackgroundDrawable(Drawable)}). 42899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 42909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color The background color 42919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 42929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCacheColorHint(int color) { 429352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (color != mCacheColorHint) { 429452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mCacheColorHint = color; 429552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy int count = getChildCount(); 429652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; i++) { 429752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy getChildAt(i).setDrawingCacheBackgroundColor(color); 429852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 429952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy mRecycler.setCacheColorHint(color); 430052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 43019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 43049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set to a non-zero value, the cache color hint indicates that this list is always drawn 43059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on top of a solid, single-color, opaque background 43069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 43079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The cache color hint 43089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 43099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCacheColorHint() { 43109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCacheColorHint; 43119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 43149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views (excluding headers and footers) held by this AbsListView into the supplied 43159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * List. This includes views displayed on the screen as well as views stored in AbsListView's 43169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal view recycler. 43179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 43189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param views A list into which to put the reclaimed views 43199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 43209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reclaimViews(List<View> views) { 43219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childCount = getChildCount(); 43229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RecyclerListener listener = mRecycler.mRecyclerListener; 43239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reclaim views on screen 43259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 43269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 432713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 43289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reclaim header or footer views, or views that should be ignored 43299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp != null && mRecycler.shouldRecycleViewType(lp.viewType)) { 43309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.add(child); 43319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (listener != null) { 43329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pretend they went through the scrap heap 43339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onMovedToScrapHeap(child); 43349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.reclaimScrapViews(views); 43389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 43399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 434213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 434313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 434413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 434513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean onConsistencyCheck(int consistency) { 434613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.onConsistencyCheck(consistency); 434713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 434813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkLayout = (consistency & ViewDebug.CONSISTENCY_LAYOUT) != 0; 434913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 435013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkLayout) { 435113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // The active recycler must be empty 435213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] activeViews = mRecycler.mActiveViews; 435313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy int count = activeViews.length; 435413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 435513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (activeViews[i] != null) { 435613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 435752964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 435813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "AbsListView " + this + " has a view in its active recycler: " + 435913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy activeViews[i]); 436013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 436113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 436213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 436313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // All views in the recycler must NOT be on screen and must NOT have a parent 436413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ArrayList<View> scrap = mRecycler.mCurrentScrap; 436513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!checkScrap(scrap)) result = false; 436613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ArrayList<View>[] scraps = mRecycler.mScrapViews; 436713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy count = scraps.length; 436813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 436913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!checkScrap(scraps[i])) result = false; 437013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 437113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 437213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 437313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 437413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 437513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 437613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy private boolean checkScrap(ArrayList<View> scrap) { 437713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (scrap == null) return true; 437813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = true; 437913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 438013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = scrap.size(); 438113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 438213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View view = scrap.get(i); 438313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (view.getParent() != null) { 438413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 438552964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, "AbsListView " + this + 438613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy " has a view in its scrap heap still attached to a parent: " + view); 438713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 438813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (indexOfChild(view) >= 0) { 438913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 439052964243dc95f74ac2ab9a96d031a36931a11931Gilles Debunne Log.d(ViewDebug.CONSISTENCY_LOG_TAG, "AbsListView " + this + 439113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy " has a view in its scrap heap that is also a direct child: " + view); 439213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 439313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 439413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 439513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 439613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 439713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 439813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 4399499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Sets up this AbsListView to use a remote views adapter which connects to a RemoteViewsService 4400499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * through the specified intent. 4401499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * @param intent the intent used to identify the RemoteViewsService for the adapter to connect to. 4402499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4403499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void setRemoteViewsAdapter(Intent intent) { 44049b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Ensure that we don't already have a RemoteViewsAdapter that is bound to an existing 44059b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // service handling the specified intent. 44063ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (mRemoteAdapter != null) { 44073ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcNew = new Intent.FilterComparison(intent); 44083ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung Intent.FilterComparison fcOld = new Intent.FilterComparison( 44093ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung mRemoteAdapter.getRemoteViewsServiceIntent()); 44103ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung if (fcNew.equals(fcOld)) { 44113ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung return; 44123ec9a45c36d3ca5ffbc6e85bbeb497b065e14155Winson Chung } 44139b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung } 44149b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung 44159b3a2cf2a0a482ce8212eb2775176dd4c23e8e9aWinson Chung // Otherwise, create a new RemoteViewsAdapter for binding 4416499cb9f516062b654952d282f211bee44c31a3c2Winson Chung mRemoteAdapter = new RemoteViewsAdapter(getContext(), intent, this); 4417499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4418499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4419499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 4420499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter connects to the RemoteViewsService. 4421499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4422499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterConnected() { 4423499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (mRemoteAdapter != mAdapter) { 4424499cb9f516062b654952d282f211bee44c31a3c2Winson Chung setAdapter(mRemoteAdapter); 4425499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4426499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4427499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4428499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 4429499cb9f516062b654952d282f211bee44c31a3c2Winson Chung * Called back when the adapter disconnects from the RemoteViewsService. 4430499cb9f516062b654952d282f211bee44c31a3c2Winson Chung */ 4431499cb9f516062b654952d282f211bee44c31a3c2Winson Chung public void onRemoteAdapterDisconnected() { 4432499cb9f516062b654952d282f211bee44c31a3c2Winson Chung if (mRemoteAdapter == mAdapter) { 4433499cb9f516062b654952d282f211bee44c31a3c2Winson Chung mRemoteAdapter = null; 4434499cb9f516062b654952d282f211bee44c31a3c2Winson Chung setAdapter(null); 4435499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4436499cb9f516062b654952d282f211bee44c31a3c2Winson Chung } 4437499cb9f516062b654952d282f211bee44c31a3c2Winson Chung 4438499cb9f516062b654952d282f211bee44c31a3c2Winson Chung /** 44399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the recycler listener to be notified whenever a View is set aside in 44409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the recycler for later reuse. This listener can be used to free resources 44419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to the View. 44429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The recycler listener to be notified of views set aside 44449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the recycler. 44459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 44469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 44479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 44489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 44499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRecyclerListener(RecyclerListener listener) { 44509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecycler.mRecyclerListener = listener; 44519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4454f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * A MultiChoiceModeListener receives events for {@link AbsListView#CHOICE_MODE_MULTIPLE_MODAL}. 4455f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * It acts as the {@link ActionMode.Callback} for the selection mode and also receives 4456f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * {@link #onItemCheckedStateChanged(ActionMode, int, long, boolean)} events when the user 4457f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * selects and deselects list items. 4458f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 4459f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public interface MultiChoiceModeListener extends ActionMode.Callback { 4460f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 4461f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * Called when an item is checked or unchecked during selection mode. 4462f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * 4463f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param mode The {@link ActionMode} providing the selection mode 4464f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param position Adapter position of the item that was checked or unchecked 4465f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param id Adapter ID of the item that was checked or unchecked 4466f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * @param checked <code>true</code> if the item is now checked, <code>false</code> 4467f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell * if the item is now unchecked. 4468f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell */ 4469f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 4470f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked); 4471f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4472f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4473f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell class MultiChoiceModeWrapper implements MultiChoiceModeListener { 4474f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell private MultiChoiceModeListener mWrapped; 4475f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4476f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void setWrapped(MultiChoiceModeListener wrapped) { 4477f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped = wrapped; 4478f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4479f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4480f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onCreateActionMode(ActionMode mode, Menu menu) { 4481f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (mWrapped.onCreateActionMode(mode, menu)) { 4482f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Initialize checked graphic state? 4483f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(false); 4484f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return true; 4485f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4486f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return false; 4487f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4488f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4489f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 4490f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onPrepareActionMode(mode, menu); 4491f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4492f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4493f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 4494f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell return mWrapped.onActionItemClicked(mode, item); 4495f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4496f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4497f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onDestroyActionMode(ActionMode mode) { 4498f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onDestroyActionMode(mode); 4499f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mChoiceActionMode = null; 4500f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4501f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // Ending selection mode means deselecting everything. 4502f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell clearChoices(); 4503f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4504f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mDataChanged = true; 4505f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell rememberSyncState(); 4506f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell requestLayout(); 4507f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4508f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell setLongClickable(true); 4509f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4510f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4511f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell public void onItemCheckedStateChanged(ActionMode mode, 4512f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell int position, long id, boolean checked) { 4513f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mWrapped.onItemCheckedStateChanged(mode, position, id, checked); 4514f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4515f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell // If there are no items selected we no longer need the selection mode. 4516f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell if (getCheckedItemCount() == 0) { 4517f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell mode.finish(); 4518f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4519f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4520f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell } 4521f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell 4522f343e1ba7e796120eefa917dbf78348feea98e11Adam Powell /** 45239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AbsListView extends LayoutParams to provide a place to hold the view type. 45249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 45259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams extends ViewGroup.LayoutParams { 45269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View type for this view, as returned by 45289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.Adapter#getItemViewType(int) } 45299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4530bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list", mapping = { 45319bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_IGNORE, to = "ITEM_VIEW_TYPE_IGNORE"), 45329bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell @ViewDebug.IntToString(from = ITEM_VIEW_TYPE_HEADER_OR_FOOTER, to = "ITEM_VIEW_TYPE_HEADER_OR_FOOTER") 45339bf3c128509de5bd66222943a00acfcd1000cd62Adam Powell }) 45349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType; 45359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45364df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project /** 45374df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * When this boolean is set, the view has been added to the AbsListView 45384df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * at least once. It is used to know whether headers/footers have already 45394df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * been added to the list view and whether they should be treated as 45404df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * recycled views or not. 45414df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project */ 4542bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 45434df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project boolean recycledHeaderFooter; 45444df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 45450bf88594c43ced48d862d122e3e84967b3b63658Romain Guy /** 45460bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * When an AbsListView is measured with an AT_MOST measure spec, it needs 45470bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * to obtain children views to measure itself. When doing so, the children 45480bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * are not attached to the window, but put in the recycler which assumes 45490bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * they've been attached before. Setting this flag will force the reused 45500bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * view to be attached to the window rather than just attached to the 45510bf88594c43ced48d862d122e3e84967b3b63658Romain Guy * parent. 45520bf88594c43ced48d862d122e3e84967b3b63658Romain Guy */ 4553bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "list") 45540bf88594c43ced48d862d122e3e84967b3b63658Romain Guy boolean forceAdd; 45550bf88594c43ced48d862d122e3e84967b3b63658Romain Guy 45569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 45579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(c, attrs); 45589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h) { 45619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 45629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int w, int h, int viewType) { 45659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(w, h); 45669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.viewType = viewType; 45679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 45709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 45719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A RecyclerListener is used to receive a notification whenever a View is placed 45769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * inside the RecycleBin's scrap heap. This listener is used to free resources 45779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated to Views placed in the RecycleBin. 45789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 45799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecycleBin 45809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 45819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 45829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static interface RecyclerListener { 45839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates that the specified View was moved into the recycler's scrap heap. 45859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view is not displayed on screen any more and any expensive resource 45869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * associated with the view should be discarded. 45879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 45889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view 45899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 45909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMovedToScrapHeap(View view); 45919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The RecycleBin facilitates reuse of views across layouts. The RecycleBin has two levels of 45959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage: ActiveViews and ScrapViews. ActiveViews are those views which were onscreen at the 45969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of a layout. By construction, they are displaying current information. At the end of 45979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, all views in ActiveViews are demoted to ScrapViews. ScrapViews are old views that 45989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could potentially be used by the adapter to avoid allocating views unnecessarily. 45999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 46009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView#setRecyclerListener(android.widget.AbsListView.RecyclerListener) 46019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.widget.AbsListView.RecyclerListener 46029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class RecycleBin { 46049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RecyclerListener mRecyclerListener; 46059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 46079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The position of the first view stored in mActiveViews. 46089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFirstActivePosition; 46109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 46129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views that were on screen at the start of layout. This array is populated at the start of 46139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout, and at the end of layout all view in mActiveViews are moved to mScrapViews. 46149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views in mActiveViews represent a contiguous range of Views, with position of the first 46159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view store in mFirstActivePosition. 46169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mActiveViews = new View[0]; 46189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 46209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unsorted views that can be used by the adapter as a convert view. 46219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View>[] mScrapViews; 46239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mViewTypeCount; 46259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<View> mCurrentScrap; 46279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewTypeCount(int viewTypeCount) { 46299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (viewTypeCount < 1) { 46309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Can't have a viewTypeCount < 1"); 46319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 46339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View>[] scrapViews = new ArrayList[viewTypeCount]; 46349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; i++) { 46359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews[i] = new ArrayList<View>(); 46369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mViewTypeCount = viewTypeCount; 46389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap = scrapViews[0]; 46399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews = scrapViews; 46409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4641f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell 4642f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell public void markChildrenDirty() { 4643f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell if (mViewTypeCount == 1) { 4644f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mCurrentScrap; 4645f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 4646f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < scrapCount; i++) { 4647f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(i).forceLayout(); 4648f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 4649f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } else { 4650f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int typeCount = mViewTypeCount; 4651f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int i = 0; i < typeCount; i++) { 4652f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final ArrayList<View> scrap = mScrapViews[i]; 4653f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell final int scrapCount = scrap.size(); 4654f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell for (int j = 0; j < scrapCount; j++) { 4655f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell scrap.get(j).forceLayout(); 4656f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 4657f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 4658f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 4659f3c2edaa213e6d8c779ab819ff630b4ce389007cAdam Powell } 46600a63716ed0e44f7cd32b81a444429318d42d8f08Romain Guy 46619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldRecycleViewType(int viewType) { 46629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return viewType >= 0; 46639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 46669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clears the scrap heap. 46679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 46699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 46709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mCurrentScrap; 46719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 46729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < scrapCount; i++) { 46739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - i), false); 46749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 46769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int typeCount = mViewTypeCount; 46779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < typeCount; i++) { 46789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrap = mScrapViews[i]; 46799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrapCount = scrap.size(); 46809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < scrapCount; j++) { 46819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrap.remove(scrapCount - 1 - j), false); 46829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 46889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill ActiveViews with all of the children of the AbsListView. 46899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 46909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childCount The minimum number of views mActiveViews should hold 46919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param firstActivePosition The position of the first view that will be stored in 46929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews 46939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 46949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void fillActiveViews(int childCount, int firstActivePosition) { 46959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActiveViews.length < childCount) { 46969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActiveViews = new View[childCount]; 46979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition = firstActivePosition; 46999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 47019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < childCount; i++) { 47029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = getChildAt(i); 47039c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy AbsListView.LayoutParams lp = (AbsListView.LayoutParams) child.getLayoutParams(); 47049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views into the scrap heap 47059c3184cc162ee8c10eabd3f996629a9397a1f551Romain Guy if (lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 47069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note: We do place AdapterView.ITEM_VIEW_TYPE_IGNORE in active views. 47079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // However, we will NOT place them into scrap views. 47084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project activeViews[i] = child; 47099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the view corresponding to the specified position. The view will be removed from 47159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mActiveViews if it is found. 47169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 47179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position to look up in mActiveViews 47189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The view if it is found, null otherwise 47199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getActiveView(int position) { 47219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = position - mFirstActivePosition; 47229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 47239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >=0 && index < activeViews.length) { 47249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View match = activeViews[index]; 47259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[index] = null; 47269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return match; 47279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 47299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A view from the ScrapViews collection. These are unordered. 47339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getScrapView(int position) { 47359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> scrapViews; 47369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 47379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews = mCurrentScrap; 47389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapViews.size(); 47399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size > 0) { 47409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return scrapViews.remove(size - 1); 47419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 47429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 47439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 47459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int whichScrap = mAdapter.getItemViewType(position); 47469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whichScrap >= 0 && whichScrap < mScrapViews.length) { 47479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews = mScrapViews[whichScrap]; 47489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapViews.size(); 47499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size > 0) { 47509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return scrapViews.remove(size - 1); 47519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 47559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Put a view into the ScapViews list. These views are unordered. 47599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 47609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param scrap The view to add 47619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void addScrapView(View scrap) { 47639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AbsListView.LayoutParams lp = (AbsListView.LayoutParams) scrap.getLayoutParams(); 47649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lp == null) { 47659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 47669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't put header or footer views or views that should be ignored 47699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // into the scrap heap 47709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int viewType = lp.viewType; 47719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldRecycleViewType(viewType)) { 47729b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 47739b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(scrap, false); 47749b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 47759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 47769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 4779a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy scrap.dispatchStartTemporaryDetach(); 47809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScrap.add(scrap); 47819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4782a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy scrap.dispatchStartTemporaryDetach(); 47839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScrapViews[viewType].add(scrap); 47849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRecyclerListener != null) { 47879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(scrap); 47889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 47929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Move all views remaining in mActiveViews to mScrapViews. 47939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 47949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void scrapActiveViews() { 47959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] activeViews = mActiveViews; 47969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasListener = mRecyclerListener != null; 47979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean multipleScraps = mViewTypeCount > 1; 47989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> scrapViews = mCurrentScrap; 48009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = activeViews.length; 4801a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = count - 1; i >= 0; i--) { 48029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View victim = activeViews[i]; 48039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (victim != null) { 480421875052adddf2b52bc57fea62bf097b8aa04cbfRomain Guy int whichScrap = ((AbsListView.LayoutParams) victim.getLayoutParams()).viewType; 48059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project activeViews[i] = null; 48079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48089b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (!shouldRecycleViewType(whichScrap)) { 48099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do not move views that should be ignored 48109b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy if (whichScrap != ITEM_VIEW_TYPE_HEADER_OR_FOOTER) { 48119b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy removeDetachedView(victim, false); 48129b1bb81fe256e3b342a7375be39da7e752eaf3d4Romain Guy } 48139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 48149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (multipleScraps) { 48179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews = mScrapViews[whichScrap]; 48189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy victim.dispatchStartTemporaryDetach(); 48209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrapViews.add(victim); 48219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasListener) { 48239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRecyclerListener.onMovedToScrapHeap(victim); 48249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_RECYCLER) { 48279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(victim, 48289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.RecyclerTraceType.MOVE_FROM_ACTIVE_TO_SCRAP_HEAP, 48299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFirstActivePosition + i, -1); 48309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pruneScrapViews(); 48359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 48389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes sure that the size of mScrapViews does not exceed the size of mActiveViews. 48399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (This can happen if an adapter does not recycle its views). 48409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 48419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void pruneScrapViews() { 48429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int maxViews = mActiveViews.length; 48439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 48449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 48459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 48469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 48479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = scrapPile.size(); 48489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int extras = size - maxViews; 48499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size--; 48509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j = 0; j < extras; j++) { 48519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeDetachedView(scrapPile.remove(size--), false); 48529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 48579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Puts all views in the scrap heap into the supplied list. 48589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 48599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void reclaimScrapViews(List<View> views) { 48609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mViewTypeCount == 1) { 48619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(mCurrentScrap); 48629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 48639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int viewTypeCount = mViewTypeCount; 48649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View>[] scrapViews = mScrapViews; 48659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < viewTypeCount; ++i) { 48669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> scrapPile = scrapViews[i]; 48679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project views.addAll(scrapPile); 48689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 487152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy 487252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy /** 487352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * Updates the cache color hint of all known views. 487452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * 487552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy * @param color The new cache color hint. 487652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy */ 487752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy void setCacheColorHint(int color) { 487852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (mViewTypeCount == 1) { 487952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mCurrentScrap; 488052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 488152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < scrapCount; i++) { 488252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy scrap.get(i).setDrawingCacheBackgroundColor(color); 488352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 488452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } else { 488552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int typeCount = mViewTypeCount; 488652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < typeCount; i++) { 488752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final ArrayList<View> scrap = mScrapViews[i]; 488852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int scrapCount = scrap.size(); 488952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int j = 0; j < scrapCount; j++) { 4890266e05179cc8f5fe6324510aa54bb8c1779d2f6cRomain Guy scrap.get(j).setDrawingCacheBackgroundColor(color); 489152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 489252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 489352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 489452e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy // Just in case this is called during a layout pass 489552e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View[] activeViews = mActiveViews; 489652e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final int count = activeViews.length; 489752e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy for (int i = 0; i < count; ++i) { 489852e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy final View victim = activeViews[i]; 489952e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy if (victim != null) { 490052e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy victim.setDrawingCacheBackgroundColor(color); 490152e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 490252e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 490352e2ef8cac0cd6d78c2c2f5783846e03c636a54cRomain Guy } 49049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4906