DragLayer.java revision ed51cc9a12c50d12e7d30ed209a49f1a40858043
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 19716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.Animator; 20716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.AnimatorListenerAdapter; 218dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohenimport android.animation.ObjectAnimator; 22716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.TimeInterpolator; 23716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.ValueAnimator; 24716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.ValueAnimator.AnimatorUpdateListener; 2531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 26716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.content.res.Resources; 27716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.graphics.Canvas; 286788269814a678af976dfc7d6135993e172ce586Adam Cohenimport android.graphics.Rect; 29ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohenimport android.graphics.drawable.Drawable; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.KeyEvent; 320e26059548e429e5d1c973bebe4c561bead2926fMichael Jurkaimport android.view.MotionEvent; 33ea3763c2672f77539538af8cdd395ad97058eaabRomain Guyimport android.view.View; 3476fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohenimport android.view.ViewParent; 35716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.view.animation.DecelerateInterpolator; 363e8f811f31a2275e778244427271f77f4116c08bAdam Cohenimport android.view.animation.Interpolator; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.FrameLayout; 38ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohenimport android.widget.TextView; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport com.android.launcher.R; 41716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 421d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohenimport java.util.ArrayList; 436788269814a678af976dfc7d6135993e172ce586Adam Cohen 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 450e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka * A ViewGroup that coordinates dragging across its descendants 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 4700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratopublic class DragLayer extends FrameLayout { 48120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen private DragController mDragController; 49120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen private int[] mTmpXY = new int[2]; 5031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private int mXDown, mYDown; 52716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private Launcher mLauncher; 53716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 546788269814a678af976dfc7d6135993e172ce586Adam Cohen // Variables relating to resizing widgets 556788269814a678af976dfc7d6135993e172ce586Adam Cohen private final ArrayList<AppWidgetResizeFrame> mResizeFrames = 566788269814a678af976dfc7d6135993e172ce586Adam Cohen new ArrayList<AppWidgetResizeFrame>(); 576788269814a678af976dfc7d6135993e172ce586Adam Cohen private AppWidgetResizeFrame mCurrentResizeFrame; 58716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 59716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // Variables relating to animation of views after drop 60716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private ValueAnimator mDropAnim = null; 618dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private ValueAnimator mFadeOutAnim = null; 628dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private TimeInterpolator mCubicEaseOutInterpolator = new DecelerateInterpolator(1.5f); 63716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private View mDropView = null; 648dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen 653e8f811f31a2275e778244427271f77f4116c08bAdam Cohen private int[] mDropViewPos = new int[2]; 663e8f811f31a2275e778244427271f77f4116c08bAdam Cohen private float mDropViewScale; 673e8f811f31a2275e778244427271f77f4116c08bAdam Cohen private float mDropViewAlpha; 686788269814a678af976dfc7d6135993e172ce586Adam Cohen 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to create a new DragLayer from XML. 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 730e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka * @param attrs The attributes set containing the Workspace's customization values. 7431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public DragLayer(Context context, AttributeSet attrs) { 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs); 77be62afa34d58edab0fc9ba7499f0dd543039c903Winson Chung 78be62afa34d58edab0fc9ba7499f0dd543039c903Winson Chung // Disable multitouch across the workspace/all apps/customize tray 79be62afa34d58edab0fc9ba7499f0dd543039c903Winson Chung setMotionEventSplittingEnabled(false); 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 824c98d9235d164680186180974719f551cf935d08Winson Chung public void setup(Launcher launcher, DragController controller) { 834c98d9235d164680186180974719f551cf935d08Winson Chung mLauncher = launcher; 8400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = controller; 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 8676fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 8900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return mDragController.dispatchKeyEvent(event) || super.dispatchKeyEvent(event); 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 9131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9276fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen private boolean handleTouchDown(MotionEvent ev, boolean intercept) { 936788269814a678af976dfc7d6135993e172ce586Adam Cohen Rect hitRect = new Rect(); 946788269814a678af976dfc7d6135993e172ce586Adam Cohen int x = (int) ev.getX(); 956788269814a678af976dfc7d6135993e172ce586Adam Cohen int y = (int) ev.getY(); 966788269814a678af976dfc7d6135993e172ce586Adam Cohen 976788269814a678af976dfc7d6135993e172ce586Adam Cohen for (AppWidgetResizeFrame child: mResizeFrames) { 986788269814a678af976dfc7d6135993e172ce586Adam Cohen child.getHitRect(hitRect); 996788269814a678af976dfc7d6135993e172ce586Adam Cohen if (hitRect.contains(x, y)) { 1006788269814a678af976dfc7d6135993e172ce586Adam Cohen if (child.beginResizeIfPointInRegion(x - child.getLeft(), y - child.getTop())) { 1016788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame = child; 1026788269814a678af976dfc7d6135993e172ce586Adam Cohen mXDown = x; 1036788269814a678af976dfc7d6135993e172ce586Adam Cohen mYDown = y; 1046788269814a678af976dfc7d6135993e172ce586Adam Cohen requestDisallowInterceptTouchEvent(true); 1056788269814a678af976dfc7d6135993e172ce586Adam Cohen return true; 1066788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1076788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1086788269814a678af976dfc7d6135993e172ce586Adam Cohen } 10976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 1101d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen Folder currentFolder = mLauncher.getWorkspace().getOpenFolder(); 1111d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen if (currentFolder != null && intercept) { 1121d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen if (currentFolder.isEditingName()) { 1131d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen getDescendantRectRelativeToSelf(currentFolder.getEditTextRegion(), hitRect); 1142801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (!hitRect.contains(x, y)) { 1151d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen currentFolder.dismissEditingName(); 11676fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen return true; 1172801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 1182801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 11976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 1201d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen getDescendantRectRelativeToSelf(currentFolder, hitRect); 12176fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen if (!hitRect.contains(x, y)) { 12276fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen mLauncher.closeFolder(); 12376fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen return true; 12476fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen } 1252801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 1266788269814a678af976dfc7d6135993e172ce586Adam Cohen return false; 1276788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1286788269814a678af976dfc7d6135993e172ce586Adam Cohen 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 1316788269814a678af976dfc7d6135993e172ce586Adam Cohen if (ev.getAction() == MotionEvent.ACTION_DOWN) { 13276fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen if (handleTouchDown(ev, true)) { 1336788269814a678af976dfc7d6135993e172ce586Adam Cohen return true; 134d1837cc69eb222371afdd30890f7215d117510f2Patrick Dubroy } 1351b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 1366788269814a678af976dfc7d6135993e172ce586Adam Cohen clearAllResizeFrames(); 1374db52312c10e822162a21c60404f06f6e507f0d6Joe Onorato return mDragController.onInterceptTouchEvent(ev); 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 1426788269814a678af976dfc7d6135993e172ce586Adam Cohen boolean handled = false; 1436788269814a678af976dfc7d6135993e172ce586Adam Cohen int action = ev.getAction(); 1446788269814a678af976dfc7d6135993e172ce586Adam Cohen 1456788269814a678af976dfc7d6135993e172ce586Adam Cohen int x = (int) ev.getX(); 1466788269814a678af976dfc7d6135993e172ce586Adam Cohen int y = (int) ev.getY(); 1476788269814a678af976dfc7d6135993e172ce586Adam Cohen 1486788269814a678af976dfc7d6135993e172ce586Adam Cohen if (ev.getAction() == MotionEvent.ACTION_DOWN) { 1496788269814a678af976dfc7d6135993e172ce586Adam Cohen if (ev.getAction() == MotionEvent.ACTION_DOWN) { 15076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen if (handleTouchDown(ev, false)) { 1516788269814a678af976dfc7d6135993e172ce586Adam Cohen return true; 1526788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1536788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1546788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1556788269814a678af976dfc7d6135993e172ce586Adam Cohen 1566788269814a678af976dfc7d6135993e172ce586Adam Cohen if (mCurrentResizeFrame != null) { 1576788269814a678af976dfc7d6135993e172ce586Adam Cohen handled = true; 1586788269814a678af976dfc7d6135993e172ce586Adam Cohen switch (action) { 1596788269814a678af976dfc7d6135993e172ce586Adam Cohen case MotionEvent.ACTION_MOVE: 1606788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame.visualizeResizeForDelta(x - mXDown, y - mYDown); 1616788269814a678af976dfc7d6135993e172ce586Adam Cohen break; 1626788269814a678af976dfc7d6135993e172ce586Adam Cohen case MotionEvent.ACTION_CANCEL: 1636788269814a678af976dfc7d6135993e172ce586Adam Cohen case MotionEvent.ACTION_UP: 1646788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame.commitResizeForDelta(x - mXDown, y - mYDown); 1656788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame = null; 1666788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1676788269814a678af976dfc7d6135993e172ce586Adam Cohen } 1686788269814a678af976dfc7d6135993e172ce586Adam Cohen if (handled) return true; 1694db52312c10e822162a21c60404f06f6e507f0d6Joe Onorato return mDragController.onTouchEvent(ev); 17091a9c9636f10f1e12cd1f660b2e330634fbdc7dcRomain Guy } 171ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy 17235e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen /** 17335e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * Determine the rect of the descendant in this DragLayer's coordinates 17435e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * 17535e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param descendant The descendant whose coordinates we want to find. 17635e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param r The rect into which to place the results. 17735e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @return The factor by which this descendant is scaled relative to this DragLayer. 17835e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen */ 179ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen public float getDescendantRectRelativeToSelf(View descendant, Rect r) { 180716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mTmpXY[0] = 0; 181716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mTmpXY[1] = 0; 182ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen float scale = getDescendantCoordRelativeToSelf(descendant, mTmpXY); 1838dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen r.set(mTmpXY[0], mTmpXY[1], 1848dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mTmpXY[0] + descendant.getWidth(), mTmpXY[1] + descendant.getHeight()); 185ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen return scale; 186716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 18776fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 18835e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen public void getLocationInDragLayer(View child, int[] loc) { 18935e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen loc[0] = 0; 19035e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen loc[1] = 0; 19135e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen getDescendantCoordRelativeToSelf(child, loc); 19235e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen } 19335e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen 19435e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen /** 19535e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * Given a coordinate relative to the descendant, find the coordinate in this DragLayer's 19635e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * coordinates. 19735e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * 19835e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param descendant The descendant to which the passed coordinate is relative. 19935e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param coord The coordinate that we want mapped. 20035e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @return The factor by which this descendant is scaled relative to this DragLayer. 20135e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen */ 202b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen public float getDescendantCoordRelativeToSelf(View descendant, int[] coord) { 203557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung float scale = 1.0f; 204557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung float[] pt = {coord[0], coord[1]}; 205557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung descendant.getMatrix().mapPoints(pt); 206557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung scale *= descendant.getScaleX(); 207557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung pt[0] += descendant.getLeft(); 208557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung pt[1] += descendant.getTop(); 20976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen ViewParent viewParent = descendant.getParent(); 21076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen while (viewParent instanceof View && viewParent != this) { 21176fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen final View view = (View)viewParent; 212557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung view.getMatrix().mapPoints(pt); 213557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung scale *= view.getScaleX(); 214557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung pt[0] += view.getLeft() - view.getScrollX(); 215557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung pt[1] += view.getTop() - view.getScrollY(); 21676fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen viewParent = view.getParent(); 21776fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen } 218fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen coord[0] = (int) Math.round(pt[0]); 219fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen coord[1] = (int) Math.round(pt[1]); 220557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung return scale; 22176fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen } 22276fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 2233e8f811f31a2275e778244427271f77f4116c08bAdam Cohen public void getViewRectRelativeToSelf(View v, Rect r) { 2243e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int[] loc = new int[2]; 2258dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen getLocationInWindow(loc); 2263e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int x = loc[0]; 2273e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int y = loc[1]; 228716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 2298dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen v.getLocationInWindow(loc); 2303e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int vX = loc[0]; 2313e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int vY = loc[1]; 232716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 2333e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int left = vX - x; 2343e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int top = vY - y; 2353e8f811f31a2275e778244427271f77f4116c08bAdam Cohen r.set(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight()); 236716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 237716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 238ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy @Override 239ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy public boolean dispatchUnhandledMove(View focused, int direction) { 240ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy return mDragController.dispatchUnhandledMove(focused, direction); 241ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy } 242120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen 2436788269814a678af976dfc7d6135993e172ce586Adam Cohen public static class LayoutParams extends FrameLayout.LayoutParams { 2446788269814a678af976dfc7d6135993e172ce586Adam Cohen public int x, y; 2456788269814a678af976dfc7d6135993e172ce586Adam Cohen public boolean customPosition = false; 2466788269814a678af976dfc7d6135993e172ce586Adam Cohen 2476788269814a678af976dfc7d6135993e172ce586Adam Cohen /** 2486788269814a678af976dfc7d6135993e172ce586Adam Cohen * {@inheritDoc} 2496788269814a678af976dfc7d6135993e172ce586Adam Cohen */ 2506788269814a678af976dfc7d6135993e172ce586Adam Cohen public LayoutParams(int width, int height) { 2516788269814a678af976dfc7d6135993e172ce586Adam Cohen super(width, height); 2526788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2536788269814a678af976dfc7d6135993e172ce586Adam Cohen 2546788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setWidth(int width) { 2556788269814a678af976dfc7d6135993e172ce586Adam Cohen this.width = width; 2566788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2576788269814a678af976dfc7d6135993e172ce586Adam Cohen 2586788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getWidth() { 2596788269814a678af976dfc7d6135993e172ce586Adam Cohen return width; 2606788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2616788269814a678af976dfc7d6135993e172ce586Adam Cohen 2626788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setHeight(int height) { 2636788269814a678af976dfc7d6135993e172ce586Adam Cohen this.height = height; 2646788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2656788269814a678af976dfc7d6135993e172ce586Adam Cohen 2666788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getHeight() { 2676788269814a678af976dfc7d6135993e172ce586Adam Cohen return height; 2686788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2696788269814a678af976dfc7d6135993e172ce586Adam Cohen 2706788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setX(int x) { 2716788269814a678af976dfc7d6135993e172ce586Adam Cohen this.x = x; 2726788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2736788269814a678af976dfc7d6135993e172ce586Adam Cohen 2746788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getX() { 2756788269814a678af976dfc7d6135993e172ce586Adam Cohen return x; 2766788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2776788269814a678af976dfc7d6135993e172ce586Adam Cohen 2786788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setY(int y) { 2796788269814a678af976dfc7d6135993e172ce586Adam Cohen this.y = y; 2806788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2816788269814a678af976dfc7d6135993e172ce586Adam Cohen 2826788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getY() { 2836788269814a678af976dfc7d6135993e172ce586Adam Cohen return y; 2846788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2856788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2866788269814a678af976dfc7d6135993e172ce586Adam Cohen 2876788269814a678af976dfc7d6135993e172ce586Adam Cohen protected void onLayout(boolean changed, int l, int t, int r, int b) { 2886788269814a678af976dfc7d6135993e172ce586Adam Cohen super.onLayout(changed, l, t, r, b); 2896788269814a678af976dfc7d6135993e172ce586Adam Cohen int count = getChildCount(); 2906788269814a678af976dfc7d6135993e172ce586Adam Cohen for (int i = 0; i < count; i++) { 2916788269814a678af976dfc7d6135993e172ce586Adam Cohen View child = getChildAt(i); 2926788269814a678af976dfc7d6135993e172ce586Adam Cohen final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams(); 2936788269814a678af976dfc7d6135993e172ce586Adam Cohen if (flp instanceof LayoutParams) { 2946788269814a678af976dfc7d6135993e172ce586Adam Cohen final LayoutParams lp = (LayoutParams) flp; 2956788269814a678af976dfc7d6135993e172ce586Adam Cohen if (lp.customPosition) { 2966788269814a678af976dfc7d6135993e172ce586Adam Cohen child.layout(lp.x, lp.y, lp.x + lp.width, lp.y + lp.height); 2976788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2986788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2996788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3006788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3016788269814a678af976dfc7d6135993e172ce586Adam Cohen 3026788269814a678af976dfc7d6135993e172ce586Adam Cohen public void clearAllResizeFrames() { 3036788269814a678af976dfc7d6135993e172ce586Adam Cohen if (mResizeFrames.size() > 0) { 3046788269814a678af976dfc7d6135993e172ce586Adam Cohen for (AppWidgetResizeFrame frame: mResizeFrames) { 3056788269814a678af976dfc7d6135993e172ce586Adam Cohen removeView(frame); 3066788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3076788269814a678af976dfc7d6135993e172ce586Adam Cohen mResizeFrames.clear(); 3086788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3096788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3106788269814a678af976dfc7d6135993e172ce586Adam Cohen 3116788269814a678af976dfc7d6135993e172ce586Adam Cohen public boolean hasResizeFrames() { 3126788269814a678af976dfc7d6135993e172ce586Adam Cohen return mResizeFrames.size() > 0; 3136788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3146788269814a678af976dfc7d6135993e172ce586Adam Cohen 3156788269814a678af976dfc7d6135993e172ce586Adam Cohen public boolean isWidgetBeingResized() { 3166788269814a678af976dfc7d6135993e172ce586Adam Cohen return mCurrentResizeFrame != null; 3176788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3186788269814a678af976dfc7d6135993e172ce586Adam Cohen 3196788269814a678af976dfc7d6135993e172ce586Adam Cohen public void addResizeFrame(ItemInfo itemInfo, LauncherAppWidgetHostView widget, 3206788269814a678af976dfc7d6135993e172ce586Adam Cohen CellLayout cellLayout) { 3216788269814a678af976dfc7d6135993e172ce586Adam Cohen AppWidgetResizeFrame resizeFrame = new AppWidgetResizeFrame(getContext(), 3226788269814a678af976dfc7d6135993e172ce586Adam Cohen itemInfo, widget, cellLayout, this); 3236788269814a678af976dfc7d6135993e172ce586Adam Cohen 3246788269814a678af976dfc7d6135993e172ce586Adam Cohen LayoutParams lp = new LayoutParams(-1, -1); 3256788269814a678af976dfc7d6135993e172ce586Adam Cohen lp.customPosition = true; 3266788269814a678af976dfc7d6135993e172ce586Adam Cohen 3276788269814a678af976dfc7d6135993e172ce586Adam Cohen addView(resizeFrame, lp); 3286788269814a678af976dfc7d6135993e172ce586Adam Cohen mResizeFrames.add(resizeFrame); 3296788269814a678af976dfc7d6135993e172ce586Adam Cohen 3306788269814a678af976dfc7d6135993e172ce586Adam Cohen resizeFrame.snapToWidget(false); 3316788269814a678af976dfc7d6135993e172ce586Adam Cohen } 332716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 333716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen public void animateViewIntoPosition(DragView dragView, final View child) { 334557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung animateViewIntoPosition(dragView, child, null); 335557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung } 336ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen 337b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen public void animateViewIntoPosition(DragView dragView, final int[] pos, float scale, 338b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen Runnable onFinishRunnable) { 339b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen Rect r = new Rect(); 340b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen getViewRectRelativeToSelf(dragView, r); 341b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen final int fromX = r.left; 342b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen final int fromY = r.top; 343b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen 344b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen animateViewIntoPosition(dragView, fromX, fromY, pos[0], pos[1], scale, 345ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen onFinishRunnable, true, -1); 346b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen } 347b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen 348557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung public void animateViewIntoPosition(DragView dragView, final View child, 349557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung final Runnable onFinishAnimationRunnable) { 350ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen animateViewIntoPosition(dragView, child, -1, onFinishAnimationRunnable); 351ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen } 352ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen 353ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen public void animateViewIntoPosition(DragView dragView, final View child, int duration, 354ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen final Runnable onFinishAnimationRunnable) { 355716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen ((CellLayoutChildren) child.getParent()).measureChild(child); 356716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 357716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 3583e8f811f31a2275e778244427271f77f4116c08bAdam Cohen Rect r = new Rect(); 3593e8f811f31a2275e778244427271f77f4116c08bAdam Cohen getViewRectRelativeToSelf(dragView, r); 360716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 361716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen int coord[] = new int[2]; 362ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen coord[0] = lp.x; 363ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen coord[1] = lp.y; 3648dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen // Since the child hasn't necessarily been laid out, we force the lp to be updated with 365ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen // the correct coordinates (above) and use these to determine the final location 366557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung float scale = getDescendantCoordRelativeToSelf((View) child.getParent(), coord); 367ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen int toX = coord[0]; 368ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen int toY = coord[1]; 369ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen if (child instanceof TextView) { 370ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen TextView tv = (TextView) child; 371ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen Drawable d = tv.getCompoundDrawables()[1]; 372ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen 373ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen // Center in the y coordinate about the target's drawable 374ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toY += Math.round(scale * tv.getPaddingTop()); 375ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toY -= (dragView.getHeight() - (int) Math.round(scale * d.getIntrinsicHeight())) / 2; 376ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen // Center in the x coordinate about the target's drawable 377ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toX -= (dragView.getMeasuredWidth() - Math.round(scale * child.getMeasuredWidth())) / 2; 378ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen } else { 379ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toY -= (Math.round(scale * (dragView.getHeight() - child.getMeasuredHeight()))) / 2; 380ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toX -= (Math.round(scale * (dragView.getMeasuredWidth() 381ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen - child.getMeasuredWidth()))) / 2; 382ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen } 383716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 384ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen final int fromX = r.left; 385ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen final int fromY = r.top; 386716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen child.setVisibility(INVISIBLE); 3878dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen child.setAlpha(0); 3888dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen Runnable onCompleteRunnable = new Runnable() { 3898dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void run() { 3908dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen child.setVisibility(VISIBLE); 3918dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen ObjectAnimator oa = ObjectAnimator.ofFloat(child, "alpha", 0f, 1f); 3928dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen oa.setDuration(60); 393557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung oa.addListener(new AnimatorListenerAdapter() { 394557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung @Override 395557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung public void onAnimationEnd(android.animation.Animator animation) { 396557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung if (onFinishAnimationRunnable != null) { 397557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung onFinishAnimationRunnable.run(); 398557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung } 399557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung } 400557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung }); 4018dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen oa.start(); 4028dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 4038dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen }; 404ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen animateViewIntoPosition(dragView, fromX, fromY, toX, toY, scale, 405ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen onCompleteRunnable, true, duration); 406557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung } 407557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung 408716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private void animateViewIntoPosition(final View view, final int fromX, final int fromY, 409557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung final int toX, final int toY, float finalScale, Runnable onCompleteRunnable, 410ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen boolean fadeOut, int duration) { 4118dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen Rect from = new Rect(fromX, fromY, fromX + 4128dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen view.getMeasuredWidth(), fromY + view.getMeasuredHeight()); 4133e8f811f31a2275e778244427271f77f4116c08bAdam Cohen Rect to = new Rect(toX, toY, toX + view.getMeasuredWidth(), toY + view.getMeasuredHeight()); 414ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen animateView(view, from, to, 1f, finalScale, duration, null, null, onCompleteRunnable, true); 4153e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 4163e8f811f31a2275e778244427271f77f4116c08bAdam Cohen 417b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen /** 418b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * This method animates a view at the end of a drag and drop animation. 419b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * 420b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param view The view to be animated. This view is drawn directly into DragLayer, and so 421b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * doesn't need to be a child of DragLayer. 422b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param from The initial location of the view. Only the left and top parameters are used. 423b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param to The final location of the view. Only the left and top parameters are used. This 424b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * location doesn't account for scaling, and so should be centered about the desired 425b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * final location (including scaling). 426b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param finalAlpha The final alpha of the view, in case we want it to fade as it animates. 427b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param finalScale The final scale of the view. The view is scaled about its center. 428b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param duration The duration of the animation. 429b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param motionInterpolator The interpolator to use for the location of the view. 430b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param alphaInterpolator The interpolator to use for the alpha of the view. 431b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param onCompleteRunnable Optional runnable to run on animation completion. 432b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param fadeOut Whether or not to fade out the view once the animation completes. If true, 433b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * the runnable will execute after the view is faded out. 434b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen */ 4353e8f811f31a2275e778244427271f77f4116c08bAdam Cohen public void animateView(final View view, final Rect from, final Rect to, final float finalAlpha, 4363e8f811f31a2275e778244427271f77f4116c08bAdam Cohen final float finalScale, int duration, final Interpolator motionInterpolator, 4378dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final Interpolator alphaInterpolator, final Runnable onCompleteRunnable, 4388dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final boolean fadeOut) { 439716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // Calculate the duration of the animation based on the object's distance 4403e8f811f31a2275e778244427271f77f4116c08bAdam Cohen final float dist = (float) Math.sqrt(Math.pow(to.left - from.left, 2) + 4413e8f811f31a2275e778244427271f77f4116c08bAdam Cohen Math.pow(to.top - from.top, 2)); 442716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final Resources res = getResources(); 443716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final float maxDist = (float) res.getInteger(R.integer.config_dropAnimMaxDist); 4443e8f811f31a2275e778244427271f77f4116c08bAdam Cohen 4453e8f811f31a2275e778244427271f77f4116c08bAdam Cohen // If duration < 0, this is a cue to compute the duration based on the distance 4463e8f811f31a2275e778244427271f77f4116c08bAdam Cohen if (duration < 0) { 4473e8f811f31a2275e778244427271f77f4116c08bAdam Cohen duration = res.getInteger(R.integer.config_dropAnimMaxDuration); 4483e8f811f31a2275e778244427271f77f4116c08bAdam Cohen if (dist < maxDist) { 4498dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen duration *= mCubicEaseOutInterpolator.getInterpolation(dist / maxDist); 4503e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 451716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 452716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 453716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen if (mDropAnim != null) { 4548dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDropAnim.cancel(); 455716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 456716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 457ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen if (mFadeOutAnim != null) { 458ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen mFadeOutAnim.cancel(); 459ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen } 460ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen 4613e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropView = view; 4623e8f811f31a2275e778244427271f77f4116c08bAdam Cohen final float initialAlpha = view.getAlpha(); 4633e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropAnim = new ValueAnimator(); 4643e8f811f31a2275e778244427271f77f4116c08bAdam Cohen if (alphaInterpolator == null || motionInterpolator == null) { 4658dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDropAnim.setInterpolator(mCubicEaseOutInterpolator); 4663e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 467716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 468716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropAnim.setDuration(duration); 469716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropAnim.setFloatValues(0.0f, 1.0f); 470716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropAnim.removeAllUpdateListeners(); 471716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropAnim.addUpdateListener(new AnimatorUpdateListener() { 472716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 473716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final float percent = (Float) animation.getAnimatedValue(); 474716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // Invalidate the old position 475716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen int width = view.getMeasuredWidth(); 476716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen int height = view.getMeasuredHeight(); 477716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen invalidate(mDropViewPos[0], mDropViewPos[1], 478716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropViewPos[0] + width, mDropViewPos[1] + height); 479716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 4803e8f811f31a2275e778244427271f77f4116c08bAdam Cohen float alphaPercent = alphaInterpolator == null ? percent : 4813e8f811f31a2275e778244427271f77f4116c08bAdam Cohen alphaInterpolator.getInterpolation(percent); 4823e8f811f31a2275e778244427271f77f4116c08bAdam Cohen float motionPercent = motionInterpolator == null ? percent : 4833e8f811f31a2275e778244427271f77f4116c08bAdam Cohen motionInterpolator.getInterpolation(percent); 4843e8f811f31a2275e778244427271f77f4116c08bAdam Cohen 485ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen mDropViewPos[0] = from.left + (int) Math.round(((to.left - from.left) * motionPercent)); 486ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen mDropViewPos[1] = from.top + (int) Math.round(((to.top - from.top) * motionPercent)); 4873e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropViewScale = percent * finalScale + (1 - percent); 4883e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropViewAlpha = alphaPercent * finalAlpha + (1 - alphaPercent) * initialAlpha; 489716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen invalidate(mDropViewPos[0], mDropViewPos[1], 490716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropViewPos[0] + width, mDropViewPos[1] + height); 491716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 492716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen }); 4933e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropAnim.addListener(new AnimatorListenerAdapter() { 4943e8f811f31a2275e778244427271f77f4116c08bAdam Cohen public void onAnimationEnd(Animator animation) { 4958dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen if (onCompleteRunnable != null) { 4968dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen onCompleteRunnable.run(); 4978dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 4988dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen if (fadeOut) { 4998dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen fadeOutDragView(); 5008dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } else { 5013e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropView = null; 5023e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 5033e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 5043e8f811f31a2275e778244427271f77f4116c08bAdam Cohen }); 505716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropAnim.start(); 506716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 507716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 5088dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private void fadeOutDragView() { 5098dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim = new ValueAnimator(); 5108dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.setDuration(150); 5118dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.setFloatValues(0f, 1f); 5128dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.removeAllUpdateListeners(); 5138dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.addUpdateListener(new AnimatorUpdateListener() { 5148dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 5158dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final float percent = (Float) animation.getAnimatedValue(); 5168dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDropViewAlpha = 1 - percent; 5178dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen int width = mDropView.getMeasuredWidth(); 5188dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen int height = mDropView.getMeasuredHeight(); 5198dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen invalidate(mDropViewPos[0], mDropViewPos[1], 5208dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDropViewPos[0] + width, mDropViewPos[1] + height); 5218dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 5228dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen }); 5238dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.addListener(new AnimatorListenerAdapter() { 5248dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void onAnimationEnd(Animator animation) { 5258dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDropView = null; 5268dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 5278dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen }); 5288dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.start(); 5298dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 5308dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen 531716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen @Override 532716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen protected void dispatchDraw(Canvas canvas) { 533716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen super.dispatchDraw(canvas); 534716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen if (mDropView != null) { 535716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // We are animating an item that was just dropped on the home screen. 536716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // Render its View in the current animation position. 537716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen canvas.save(Canvas.MATRIX_SAVE_FLAG); 538716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final int xPos = mDropViewPos[0] - mDropView.getScrollX(); 539716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final int yPos = mDropViewPos[1] - mDropView.getScrollY(); 5403e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int width = mDropView.getMeasuredWidth(); 5413e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int height = mDropView.getMeasuredHeight(); 542716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen canvas.translate(xPos, yPos); 5433e8f811f31a2275e778244427271f77f4116c08bAdam Cohen canvas.translate((1 - mDropViewScale) * width / 2, (1 - mDropViewScale) * height / 2); 5443e8f811f31a2275e778244427271f77f4116c08bAdam Cohen canvas.scale(mDropViewScale, mDropViewScale); 5453e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropView.setAlpha(mDropViewAlpha); 546716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropView.draw(canvas); 547716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen canvas.restore(); 548716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 549716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 551