DragController.java revision 8dfcba4af7a7ece09e8c7d96053e54f3a383e905
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.content.Context; 2000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.graphics.Bitmap; 2100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.graphics.Rect; 2200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.graphics.RectF; 2300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.os.Handler; 240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurkaimport android.os.IBinder; 2500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.os.Vibrator; 26e048e8a8eff51e8c2c271d16c864367dac438ca2Joe Onoratoimport android.util.DisplayMetrics; 2700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.util.Log; 2800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.view.KeyEvent; 2900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.view.MotionEvent; 300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurkaimport android.view.View; 31a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroyimport android.view.ViewConfiguration; 32e048e8a8eff51e8c2c271d16c864367dac438ca2Joe Onoratoimport android.view.WindowManager; 3300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.view.inputmethod.InputMethodManager; 3400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 35120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohenimport com.android.launcher.R; 36c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen 37c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohenimport java.util.ArrayList; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 4000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Class for initiating a drag within a view or across multiple views. 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 4200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratopublic class DragController { 43ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy @SuppressWarnings({"UnusedDeclaration"}) 442e5c432a0aa7e83031575df73bed43a297e2eed3Joe Onorato private static final String TAG = "Launcher.DragController"; 452e5c432a0aa7e83031575df73bed43a297e2eed3Joe Onorato 4600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** Indicates the drag is a move. */ 4700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public static int DRAG_ACTION_MOVE = 0; 4800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 4900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** Indicates the drag is a copy. */ 5000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public static int DRAG_ACTION_COPY = 1; 5100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 5200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private static final int SCROLL_DELAY = 600; 5300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private static final int VIBRATE_DURATION = 35; 5400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 5500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private static final boolean PROFILE_DRAWING_DURING_DRAG = false; 5600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 5700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private static final int SCROLL_OUTSIDE_ZONE = 0; 5800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private static final int SCROLL_WAITING_IN_ZONE = 1; 5900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 6054fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy static final int SCROLL_NONE = -1; 611262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy static final int SCROLL_LEFT = 0; 621262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy static final int SCROLL_RIGHT = 1; 6300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 648dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private Launcher mLauncher; 6500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private Handler mHandler; 6600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private final Vibrator mVibrator = new Vibrator(); 6700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 6800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // temporaries to avoid gc thrash 6900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private Rect mRectTemp = new Rect(); 7000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private final int[] mCoordinatesTemp = new int[2]; 7100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 7200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** Whether or not we're dragging. */ 7300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private boolean mDragging; 7400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 7500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** X coordinate of the down event. */ 76e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen private int mMotionDownX; 7700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 7800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** Y coordinate of the down event. */ 79e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen private int mMotionDownY; 8000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 81658db74c24817892f1a379b16620744f38f60e40Joe Onorato /** the area at the edge of the screen that makes the workspace go left 82658db74c24817892f1a379b16620744f38f60e40Joe Onorato * or right while you're dragging. 83658db74c24817892f1a379b16620744f38f60e40Joe Onorato */ 84658db74c24817892f1a379b16620744f38f60e40Joe Onorato private int mScrollZone; 85658db74c24817892f1a379b16620744f38f60e40Joe Onorato 86cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen private DropTarget.DragObject mDragObject = new DropTarget.DragObject(); 8700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 8800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** Who can receive drop events */ 8900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private ArrayList<DropTarget> mDropTargets = new ArrayList<DropTarget>(); 9000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 914ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy private ArrayList<DragListener> mListeners = new ArrayList<DragListener>(); 9200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 9300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** The window token used as the parent for the DragView. */ 9400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private IBinder mWindowToken; 9500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 9600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** The view that will be scrolled when dragging to the left and right edges of the screen. */ 9700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private View mScrollView; 9800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 99ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy private View mMoveTarget; 100ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy 10100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragScroller mDragScroller; 10200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private int mScrollState = SCROLL_OUTSIDE_ZONE; 10300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private ScrollRunnable mScrollRunnable = new ScrollRunnable(); 10400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 10500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private RectF mDeleteRegion; 10600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DropTarget mLastDropTarget; 10700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 10800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private InputMethodManager mInputMethodManager; 10900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 110a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy private int mLastTouch[] = new int[2]; 111a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy private int mDistanceSinceScroll = 0; 112a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Interface to receive notifications when a drag starts or stops 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project interface DragListener { 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A drag has begun 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param source An object representing where the drag originated 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param info The data associated with the object that is being dragged 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param dragAction The drag action: either {@link DragController#DRAG_ACTION_MOVE} 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * or {@link DragController#DRAG_ACTION_COPY} 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1265162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato void onDragStart(DragSource source, Object info, int dragAction); 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 129e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * The drag has ended 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragEnd(); 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 13500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Used to create a new DragLayer from XML. 13600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 13700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * @param context The application's context. 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1398dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public DragController(Launcher launcher) { 1408dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mLauncher = launcher; 14100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mHandler = new Handler(); 1428dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mScrollZone = launcher.getResources().getDimensionPixelSize(R.dimen.scroll_zone); 14300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1451262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public boolean dragging() { 1461262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy return mDragging; 1471262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 1481262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 14931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1505162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * Starts a drag. 151a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * 15231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param v The view that is being dragged 15331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param source An object representing where the drag originated 154ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy * @param dragInfo The data associated with the object that is being dragged 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * {@link #DRAG_ACTION_COPY} 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 15800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void startDrag(View v, DragSource source, Object dragInfo, int dragAction) { 159a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka startDrag(v, source, dragInfo, dragAction, null); 160a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 161a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 162a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka /** 163a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * Starts a drag. 164a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * 165a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param v The view that is being dragged 166a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param source An object representing where the drag originated 167a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param dragInfo The data associated with the object that is being dragged 168a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or 169a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * {@link #DRAG_ACTION_COPY} 170a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param dragRegion Coordinates within the bitmap b for the position of item being dragged. 171a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * Makes dragging feel more precise, e.g. you can clip out a transparent border 172a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka */ 173a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void startDrag(View v, DragSource source, Object dragInfo, int dragAction, 174a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka Rect dragRegion) { 1755162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato Bitmap b = getViewBitmap(v); 1765162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato 1773f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler if (b == null) { 1783f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler // out of memory? 1793f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler return; 1803f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler } 1813f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler 1825162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato int[] loc = mCoordinatesTemp; 1838dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mLauncher.getDragLayer().getLocationInDragLayer(v, loc); 1848dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen int dragLayerX = loc[0]; 1858dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen int dragLayerY = loc[1]; 1865162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato 1878dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen startDrag(b, dragLayerX, dragLayerY, source, dragInfo, dragAction, dragRegion); 1885162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato b.recycle(); 1895162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato 1905162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato if (dragAction == DRAG_ACTION_MOVE) { 1915162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato v.setVisibility(View.GONE); 1925162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato } 1935162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato } 1945162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato 1955162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato /** 1965162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * Starts a drag. 197a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * 198e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * @param v The view that is being dragged 199e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * @param bmp The bitmap that represents the view being dragged 200e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * @param source An object representing where the drag originated 201e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * @param dragInfo The data associated with the object that is being dragged 202e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or 203e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * {@link #DRAG_ACTION_COPY} 204e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * @param dragRegion Coordinates within the bitmap b for the position of item being dragged. 205e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Makes dragging feel more precise, e.g. you can clip out a transparent border 206e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 207e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public void startDrag(View v, Bitmap bmp, DragSource source, Object dragInfo, int dragAction, 208e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung Rect dragRegion) { 209e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung int[] loc = mCoordinatesTemp; 2108dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mLauncher.getDragLayer().getLocationInDragLayer(v, loc); 2118dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen int dragLayerX = loc[0]; 2128dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen int dragLayerY = loc[1]; 213e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 2148dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen startDrag(bmp, dragLayerX, dragLayerY, source, dragInfo, dragAction, dragRegion); 215e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 216e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung if (dragAction == DRAG_ACTION_MOVE) { 217e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung v.setVisibility(View.GONE); 218e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung } 219e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung } 220e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 221e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 222e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Starts a drag. 223e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * 2245162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * @param b The bitmap to display as the drag image. It will be re-scaled to the 2255162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * enlarged size. 2268dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param dragLayerX The x position in the DragLayer of the left-top of the bitmap. 2278dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param dragLayerY The y position in the DragLayer of the left-top of the bitmap. 2285162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * @param source An object representing where the drag originated 229ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy * @param dragInfo The data associated with the object that is being dragged 2305162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or 2315162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato * {@link #DRAG_ACTION_COPY} 2325162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato */ 2338dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void startDrag(Bitmap b, int dragLayerX, int dragLayerY, 2345162ea9b1f41dbebe00fd9ec4d1e15a697971439Joe Onorato DragSource source, Object dragInfo, int dragAction) { 2358dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen startDrag(b, dragLayerX, dragLayerY, source, dragInfo, dragAction, null); 236a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 237a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 238a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka /** 239a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * Starts a drag. 240a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * 241a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param b The bitmap to display as the drag image. It will be re-scaled to the 242a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * enlarged size. 2438dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param dragLayerX The x position in the DragLayer of the left-top of the bitmap. 2448dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param dragLayerY The y position in the DragLayer of the left-top of the bitmap. 245a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param source An object representing where the drag originated 246a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param dragInfo The data associated with the object that is being dragged 247a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or 248a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * {@link #DRAG_ACTION_COPY} 249a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * @param dragRegion Coordinates within the bitmap b for the position of item being dragged. 250a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka * Makes dragging feel more precise, e.g. you can clip out a transparent border 251a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka */ 2528dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void startDrag(Bitmap b, int dragLayerX, int dragLayerY, 253a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka DragSource source, Object dragInfo, int dragAction, Rect dragRegion) { 25400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (PROFILE_DRAWING_DURING_DRAG) { 25500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato android.os.Debug.startMethodTracing("Launcher"); 25600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 25700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 25800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // Hide soft keyboard, if visible 25900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mInputMethodManager == null) { 26000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mInputMethodManager = (InputMethodManager) 2618dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mLauncher.getSystemService(Context.INPUT_METHOD_SERVICE); 26200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 26300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mInputMethodManager.hideSoftInputFromWindow(mWindowToken, 0); 26400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 2654ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy for (DragListener listener : mListeners) { 2664ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy listener.onDragStart(source, dragInfo, dragAction); 26700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 26800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 2698dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int registrationX = mMotionDownX - dragLayerX; 2708dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int registrationY = mMotionDownY - dragLayerY; 27100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 272a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka final int dragRegionLeft = dragRegion == null ? 0 : dragRegion.left; 273a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka final int dragRegionTop = dragRegion == null ? 0 : dragRegion.top; 274e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 27500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragging = true; 276cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen 277bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mDragObject.dragComplete = false; 2788dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDragObject.xOffset = mMotionDownX - (dragLayerX + dragRegionLeft); 2798dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDragObject.yOffset = mMotionDownY - (dragLayerY + dragRegionTop); 280cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.dragSource = source; 281cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.dragInfo = dragInfo; 28200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 28300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mVibrator.vibrate(VIBRATE_DURATION); 28400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 2858dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final DragView dragView = mDragObject.dragView = new DragView(mLauncher, b, registrationX, 286cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen registrationY, 0, 0, b.getWidth(), b.getHeight()); 287a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 288a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy final DragSource dragSource = source; 289a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy dragView.setOnDrawRunnable(new Runnable() { 290a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy public void run() { 291a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy dragSource.onDragViewVisible(); 292a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy }; 293a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy }); 294a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy 295a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (dragRegion != null) { 296e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen dragView.setDragRegion(new Rect(dragRegion)); 297a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 298a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 2998dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen dragView.show(mMotionDownX, mMotionDownY); 3008dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen handleMoveEvent(mMotionDownX, mMotionDownY); 30100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 30200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 30300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 30400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Draw the view into a bitmap. 30500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 306120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen Bitmap getViewBitmap(View v) { 30700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.clearFocus(); 30800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.setPressed(false); 30900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 31000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato boolean willNotCache = v.willNotCacheDrawing(); 31100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.setWillNotCacheDrawing(false); 31200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 31300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // Reset the drawing cache background color to fully transparent 31400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // for the duration of this operation 31500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int color = v.getDrawingCacheBackgroundColor(); 31600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.setDrawingCacheBackgroundColor(0); 317120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen float alpha = v.getAlpha(); 318120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen v.setAlpha(1.0f); 31900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 32000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (color != 0) { 32100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.destroyDrawingCache(); 32200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 32300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.buildDrawingCache(); 32400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato Bitmap cacheBitmap = v.getDrawingCache(); 3253f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler if (cacheBitmap == null) { 3263f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler Log.e(TAG, "failed getViewBitmap(" + v + ")", new RuntimeException()); 3273f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler return null; 3283f8175a86e24b3568d1f5b12e1d3d5efcc57d691Daniel Sandler } 32900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 33000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato Bitmap bitmap = Bitmap.createBitmap(cacheBitmap); 33100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 33200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // Restore the view 33300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.destroyDrawingCache(); 334120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen v.setAlpha(alpha); 33500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.setWillNotCacheDrawing(willNotCache); 33600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato v.setDrawingCacheBackgroundColor(color); 33700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 33800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return bitmap; 33900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 34000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 34100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 34200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Call this from a drag source view like this: 34300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 34400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * <pre> 34500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * @Override 34600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * public boolean dispatchKeyEvent(KeyEvent event) { 34700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * return mDragController.dispatchKeyEvent(this, event) 34800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * || super.dispatchKeyEvent(event); 34900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * </pre> 35000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 351ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy @SuppressWarnings({"UnusedDeclaration"}) 35200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public boolean dispatchKeyEvent(KeyEvent event) { 35300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return mDragging; 35400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 35500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 356304dcde0e301c2f1a0b2bdc80ea8617930691b6eWinson Chung public boolean isDragging() { 357304dcde0e301c2f1a0b2bdc80ea8617930691b6eWinson Chung return mDragging; 358304dcde0e301c2f1a0b2bdc80ea8617930691b6eWinson Chung } 359304dcde0e301c2f1a0b2bdc80ea8617930691b6eWinson Chung 36024b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato /** 36124b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato * Stop dragging without dropping. 36224b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato */ 36324b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato public void cancelDrag() { 364621e6406fadba27d6cff1c38b31d5cdf99c0f97aWinson Chung if (mDragging) { 365c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (mLastDropTarget != null) { 366c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mLastDropTarget.onDragExit(mDragObject); 367c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 368bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mDragObject.dragComplete = true; 369c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen mDragObject.dragSource.onDropCompleted(null, mDragObject, false); 370621e6406fadba27d6cff1c38b31d5cdf99c0f97aWinson Chung } 37124b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato endDrag(); 37224b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato } 37324b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato 37400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private void endDrag() { 37500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragging) { 37600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragging = false; 3774ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy for (DragListener listener : mListeners) { 3784ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy listener.onDragEnd(); 37900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 380cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen if (mDragObject.dragView != null) { 381cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.dragView.remove(); 382cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.dragView = null; 38300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 38400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 38500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 38600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 38700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 38800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Call this from a drag source view. 38900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 39000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public boolean onInterceptTouchEvent(MotionEvent ev) { 3919c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato if (false) { 392a30ce8e6b25e41f392a41fd4d0d3e0a424a84dadJoe Onorato Log.d(Launcher.TAG, "DragController.onInterceptTouchEvent " + ev + " mDragging=" 3939c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato + mDragging); 3949c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato } 39500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato final int action = ev.getAction(); 39600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 3978dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int dragLayerX = (int) ev.getX(); 3988dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int dragLayerY = (int) ev.getY(); 39900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 40000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato switch (action) { 40100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_MOVE: 40200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato break; 40300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_DOWN: 40400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // Remember location of down touch 4058dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mMotionDownX = dragLayerX; 4068dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mMotionDownY = dragLayerY; 40700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mLastDropTarget = null; 40800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato break; 40900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_UP: 41000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragging) { 4118dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen drop(dragLayerX, dragLayerY); 41200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 41300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato endDrag(); 41400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato break; 415621e6406fadba27d6cff1c38b31d5cdf99c0f97aWinson Chung case MotionEvent.ACTION_CANCEL: 416621e6406fadba27d6cff1c38b31d5cdf99c0f97aWinson Chung cancelDrag(); 417621e6406fadba27d6cff1c38b31d5cdf99c0f97aWinson Chung break; 41800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 41900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 42000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return mDragging; 42100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 42200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 42300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 424ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy * Sets the view that should handle move events. 425ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy */ 426ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy void setMoveTarget(View view) { 427ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy mMoveTarget = view; 428ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy } 429ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy 430ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy public boolean dispatchUnhandledMove(View focused, int direction) { 431ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy return mMoveTarget != null && mMoveTarget.dispatchUnhandledMove(focused, direction); 432ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy } 433ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy 434de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private void handleMoveEvent(int x, int y) { 435cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.dragView.move(x, y); 436de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 437de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Drop on someone? 438de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] coordinates = mCoordinatesTemp; 439de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DropTarget dropTarget = findDropTarget(x, y, coordinates); 440cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.x = coordinates[0]; 441cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.y = coordinates[1]; 442de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (dropTarget != null) { 443cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen DropTarget delegate = dropTarget.getDropTargetDelegate(mDragObject); 444de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (delegate != null) { 445de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy dropTarget = delegate; 446de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 447de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 448de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mLastDropTarget != dropTarget) { 449de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mLastDropTarget != null) { 450cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mLastDropTarget.onDragExit(mDragObject); 451de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 452cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen dropTarget.onDragEnter(mDragObject); 453de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 454cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen dropTarget.onDragOver(mDragObject); 455de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } else { 456de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mLastDropTarget != null) { 457cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mLastDropTarget.onDragExit(mDragObject); 458de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 459de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 460de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mLastDropTarget = dropTarget; 461de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 462de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Scroll, maybe, but not if we're in the delete region. 463de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy boolean inDeleteRegion = false; 464de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mDeleteRegion != null) { 465de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy inDeleteRegion = mDeleteRegion.contains(x, y); 466de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 467a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy 468a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy // After a scroll, the touch point will still be in the scroll region. 469a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy // Rather than scrolling immediately, require a bit of twiddling to scroll again 4708dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int slop = ViewConfiguration.get(mLauncher).getScaledWindowTouchSlop(); 471a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy mDistanceSinceScroll += 472a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy Math.sqrt(Math.pow(mLastTouch[0] - x, 2) + Math.pow(mLastTouch[1] - y, 2)); 473a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy mLastTouch[0] = x; 474a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy mLastTouch[1] = y; 475a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy 476658db74c24817892f1a379b16620744f38f60e40Joe Onorato if (!inDeleteRegion && x < mScrollZone) { 477a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy if (mScrollState == SCROLL_OUTSIDE_ZONE && mDistanceSinceScroll > slop) { 478de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mScrollState = SCROLL_WAITING_IN_ZONE; 479de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mScrollRunnable.setDirection(SCROLL_LEFT); 480de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mHandler.postDelayed(mScrollRunnable, SCROLL_DELAY); 4811262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mDragScroller.onEnterScrollArea(SCROLL_LEFT); 482de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 483658db74c24817892f1a379b16620744f38f60e40Joe Onorato } else if (!inDeleteRegion && x > mScrollView.getWidth() - mScrollZone) { 484a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy if (mScrollState == SCROLL_OUTSIDE_ZONE && mDistanceSinceScroll > slop) { 485de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mScrollState = SCROLL_WAITING_IN_ZONE; 486de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mScrollRunnable.setDirection(SCROLL_RIGHT); 487de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mHandler.postDelayed(mScrollRunnable, SCROLL_DELAY); 4881262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mDragScroller.onEnterScrollArea(SCROLL_RIGHT); 489de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 490de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } else { 491de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mScrollState == SCROLL_WAITING_IN_ZONE) { 492de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mScrollState = SCROLL_OUTSIDE_ZONE; 493de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mScrollRunnable.setDirection(SCROLL_RIGHT); 494de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mHandler.removeCallbacks(mScrollRunnable); 4951262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mDragScroller.onExitScrollArea(); 496de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 497de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 498de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 499de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 500ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy /** 50100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Call this from a drag source view. 50200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 50300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public boolean onTouchEvent(MotionEvent ev) { 50400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (!mDragging) { 50500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return false; 50600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 50700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 50800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato final int action = ev.getAction(); 5098dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int dragLayerX = (int) ev.getX(); 5108dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final int dragLayerY = (int) ev.getY(); 51100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 51200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato switch (action) { 51300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_DOWN: 51400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // Remember where the motion event started 5158dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mMotionDownX = dragLayerX; 5168dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mMotionDownY = dragLayerY; 51700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 5188dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen if ((dragLayerX < mScrollZone) || (dragLayerX > mScrollView.getWidth() - mScrollZone)) { 51900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mScrollState = SCROLL_WAITING_IN_ZONE; 52000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mHandler.postDelayed(mScrollRunnable, SCROLL_DELAY); 52100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } else { 52200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mScrollState = SCROLL_OUTSIDE_ZONE; 52300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 52400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato break; 52500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_MOVE: 5268dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen handleMoveEvent(dragLayerX, dragLayerY); 52700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato break; 52800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_UP: 529b0a6bbeeab0960419dcd1f695c209ca0ec36ab8aPatrick Dubroy // Ensure that we've processed a move event at the current pointer location. 5308dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen handleMoveEvent(dragLayerX, dragLayerY); 531b0a6bbeeab0960419dcd1f695c209ca0ec36ab8aPatrick Dubroy 53200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mHandler.removeCallbacks(mScrollRunnable); 53300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragging) { 5348dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen drop(dragLayerX, dragLayerY); 53500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 53600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato endDrag(); 53700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato break; 53800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato case MotionEvent.ACTION_CANCEL: 53924b6fd854f75f21700a330c2f0d11938e5dfeab6Joe Onorato cancelDrag(); 540621e6406fadba27d6cff1c38b31d5cdf99c0f97aWinson Chung break; 54100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 54200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 54300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return true; 54400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 54500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 546b0a6bbeeab0960419dcd1f695c209ca0ec36ab8aPatrick Dubroy private void drop(float x, float y) { 54700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato final int[] coordinates = mCoordinatesTemp; 548b0a6bbeeab0960419dcd1f695c209ca0ec36ab8aPatrick Dubroy final DropTarget dropTarget = findDropTarget((int) x, (int) y, coordinates); 54900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 550cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.x = coordinates[0]; 551cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.y = coordinates[1]; 552b0a6bbeeab0960419dcd1f695c209ca0ec36ab8aPatrick Dubroy boolean accepted = false; 55300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (dropTarget != null) { 554bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mDragObject.dragComplete = true; 555cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen dropTarget.onDragExit(mDragObject); 556cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen if (dropTarget.acceptDrop(mDragObject)) { 557cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen dropTarget.onDrop(mDragObject); 558b0a6bbeeab0960419dcd1f695c209ca0ec36ab8aPatrick Dubroy accepted = true; 55900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 56000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 561c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen mDragObject.dragSource.onDropCompleted((View) dropTarget, mDragObject, accepted); 56200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 56300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 56400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DropTarget findDropTarget(int x, int y, int[] dropCoordinates) { 56500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato final Rect r = mRectTemp; 56600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 56700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato final ArrayList<DropTarget> dropTargets = mDropTargets; 56800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato final int count = dropTargets.size(); 56900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato for (int i=count-1; i>=0; i--) { 570440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy DropTarget target = dropTargets.get(i); 5710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (!target.isDropEnabled()) 5720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 5730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 57400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato target.getHitRect(r); 575440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 5768dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen // Convert the hit rect to DragLayer coordinates 5778dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen target.getLocationInDragLayer(dropCoordinates); 57800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato r.offset(dropCoordinates[0] - target.getLeft(), dropCoordinates[1] - target.getTop()); 579440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 580cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.x = x; 581cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen mDragObject.y = y; 58200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (r.contains(x, y)) { 583cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen DropTarget delegate = target.getDropTargetDelegate(mDragObject); 584440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if (delegate != null) { 585440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy target = delegate; 5868dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen target.getLocationInDragLayer(dropCoordinates); 587440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 588440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 589440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy // Make dropCoordinates relative to the DropTarget 59000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato dropCoordinates[0] = x - dropCoordinates[0]; 59100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato dropCoordinates[1] = y - dropCoordinates[1]; 592440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 59300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return target; 59400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 59500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 59600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return null; 59700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 59800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 59900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragScoller(DragScroller scroller) { 60000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragScroller = scroller; 60100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 60200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 60300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setWindowToken(IBinder token) { 60400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mWindowToken = token; 60500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 60600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the drag listner which will be notified when a drag starts or ends. 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 6104ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy public void addDragListener(DragListener l) { 6114ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy mListeners.add(l); 61200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 61300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Remove a previously installed drag listener. 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 61700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void removeDragListener(DragListener l) { 6184ed6278e518cc6894cb150b606382e8e6a012599Patrick Dubroy mListeners.remove(l); 61900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 62000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 62100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 62200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Add a DropTarget to the list of potential places to receive drop events. 62300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 62400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void addDropTarget(DropTarget target) { 62500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDropTargets.add(target); 62600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 62700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 62800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 62900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Don't send drop events to <em>target</em> any more. 63000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 63100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void removeDropTarget(DropTarget target) { 63200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDropTargets.remove(target); 63300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 63400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 63500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 63600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Set which view scrolls for touch events near the edge of the screen. 63700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 63800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setScrollView(View v) { 63900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mScrollView = v; 64000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 64100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 64200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 64300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Specifies the delete region. We won't scroll on touch events over the delete region. 64400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 6458dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param region The rectangle in DragLayer coordinates of the delete region. 64600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 64700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato void setDeleteRegion(RectF region) { 64800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDeleteRegion = region; 64900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 65000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 6515f445425606b2c27276a79e9e871cf7f67b1b719Patrick Dubroy DragView getDragView() { 652cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen return mDragObject.dragView; 6535f445425606b2c27276a79e9e871cf7f67b1b719Patrick Dubroy } 6545f445425606b2c27276a79e9e871cf7f67b1b719Patrick Dubroy 65500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private class ScrollRunnable implements Runnable { 65600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private int mDirection; 65700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 65800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato ScrollRunnable() { 65900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 66000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 66100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void run() { 66200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragScroller != null) { 66300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDirection == SCROLL_LEFT) { 66400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragScroller.scrollLeft(); 66500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } else { 66600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragScroller.scrollRight(); 66700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 66800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mScrollState = SCROLL_OUTSIDE_ZONE; 669a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy mDistanceSinceScroll = 0; 670a16fd5a6bd5371d40a5679261d416f06f8efa022Patrick Dubroy mDragScroller.onExitScrollArea(); 67100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 67200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 67300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 67400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato void setDirection(int direction) { 67500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDirection = direction; 67600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 67700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 679