DragLayer.java revision 424418bb50ccf5d9270650b70cc51f423da51a65
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 17325dc23624160689e59fbac708cf6f222b20d025Daniel Sandlerpackage com.android.launcher3; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.Animator; 20716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.AnimatorListenerAdapter; 21716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.TimeInterpolator; 22716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.ValueAnimator; 23716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.animation.ValueAnimator.AnimatorUpdateListener; 2431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 25716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.content.res.Resources; 26360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chungimport android.graphics.Canvas; 276788269814a678af976dfc7d6135993e172ce586Adam Cohenimport android.graphics.Rect; 28360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chungimport android.graphics.drawable.Drawable; 2931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3026279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkeyimport android.view.KeyEvent; 3126279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkeyimport android.view.MotionEvent; 3226279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkeyimport android.view.View; 3326279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkeyimport android.view.ViewGroup; 343371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohenimport android.view.accessibility.AccessibilityEvent; 353371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohenimport android.view.accessibility.AccessibilityManager; 36716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport android.view.animation.DecelerateInterpolator; 373e8f811f31a2275e778244427271f77f4116c08bAdam Cohenimport android.view.animation.Interpolator; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.FrameLayout; 39ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohenimport android.widget.TextView; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 411d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohenimport java.util.ArrayList; 426788269814a678af976dfc7d6135993e172ce586Adam Cohen 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 440e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka * A ViewGroup that coordinates dragging across its descendants 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 468b805b17158886035b38261eb611d8641701ae43Michael Jurkapublic class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChangeListener { 47120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen private DragController mDragController; 48120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen private int[] mTmpXY = new int[2]; 4931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private int mXDown, mYDown; 51716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private Launcher mLauncher; 52716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 536788269814a678af976dfc7d6135993e172ce586Adam Cohen // Variables relating to resizing widgets 546788269814a678af976dfc7d6135993e172ce586Adam Cohen private final ArrayList<AppWidgetResizeFrame> mResizeFrames = 556788269814a678af976dfc7d6135993e172ce586Adam Cohen new ArrayList<AppWidgetResizeFrame>(); 566788269814a678af976dfc7d6135993e172ce586Adam Cohen private AppWidgetResizeFrame mCurrentResizeFrame; 57716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 58716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // Variables relating to animation of views after drop 59716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen private ValueAnimator mDropAnim = null; 608dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private ValueAnimator mFadeOutAnim = null; 618dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private TimeInterpolator mCubicEaseOutInterpolator = new DecelerateInterpolator(1.5f); 627bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung private DragView mDropView = null; 636441de0ec2a71862798dd51180d0811b42edd514Adam Cohen private int mAnchorViewInitialScrollX = 0; 646441de0ec2a71862798dd51180d0811b42edd514Adam Cohen private View mAnchorView = null; 658dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen 663371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen private boolean mHoverPointClosesFolder = false; 673371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen private Rect mHitRect = new Rect(); 68ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public static final int ANIMATION_END_DISAPPEAR = 0; 69ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public static final int ANIMATION_END_FADE_OUT = 1; 70ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public static final int ANIMATION_END_REMAIN_VISIBLE = 2; 716788269814a678af976dfc7d6135993e172ce586Adam Cohen 72b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen private TouchCompleteListener mTouchCompleteListener; 73b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen 7477e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock private final Rect mInsets = new Rect(); 7577e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock 76432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen private View mOverlayView; 77432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen private int mTopViewIndex; 782d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen private int mChildCountOnLastUpdate = -1; 7955bd9725d5c0373b89f7b9bbd9547550ea3bbc63Jorim Jaggi 806c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen // Darkening scrim 816c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen private Drawable mBackground; 826c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen private float mBackgroundAlpha = 0; 836c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen 848cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen // Related to adjacent page hints 858cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private boolean mInScrollArea; 868cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private boolean mShowPageHints; 878cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private Drawable mLeftHoverDrawable; 888cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private Drawable mRightHoverDrawable; 898cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private Drawable mLeftHoverDrawableActive; 908cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private Drawable mRightHoverDrawableActive; 918cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen 9231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 9331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to create a new DragLayer from XML. 9431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 9531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 960e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka * @param attrs The attributes set containing the Workspace's customization values. 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 9831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public DragLayer(Context context, AttributeSet attrs) { 9931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs); 100be62afa34d58edab0fc9ba7499f0dd543039c903Winson Chung 101be62afa34d58edab0fc9ba7499f0dd543039c903Winson Chung // Disable multitouch across the workspace/all apps/customize tray 102be62afa34d58edab0fc9ba7499f0dd543039c903Winson Chung setMotionEventSplittingEnabled(false); 10321b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen setChildrenDrawingOrderEnabled(true); 1048b805b17158886035b38261eb611d8641701ae43Michael Jurka setOnHierarchyChangeListener(this); 105360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 1066c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen final Resources res = getResources(); 107c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mLeftHoverDrawable = res.getDrawable(R.drawable.page_hover_left); 108c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mRightHoverDrawable = res.getDrawable(R.drawable.page_hover_right); 109c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mLeftHoverDrawableActive = res.getDrawable(R.drawable.page_hover_left_active); 110c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mRightHoverDrawableActive = res.getDrawable(R.drawable.page_hover_right_active); 1116c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen mBackground = res.getDrawable(R.drawable.apps_customize_bg); 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1144c98d9235d164680186180974719f551cf935d08Winson Chung public void setup(Launcher launcher, DragController controller) { 1154c98d9235d164680186180974719f551cf935d08Winson Chung mLauncher = launcher; 11600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = controller; 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11876fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 12100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato return mDragController.dispatchKeyEvent(event) || super.dispatchKeyEvent(event); 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12477e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock @Override 12577e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock protected boolean fitSystemWindows(Rect insets) { 12677e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock final int n = getChildCount(); 12777e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock for (int i = 0; i < n; i++) { 12877e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock final View child = getChildAt(i); 12926279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey setInsets(child, insets, mInsets); 13077e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock } 13177e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock mInsets.set(insets); 13277e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock return true; // I'll take it from here 13377e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock } 13477e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock 135424418bb50ccf5d9270650b70cc51f423da51a65Sunny Goyal Rect getInsets() { 136424418bb50ccf5d9270650b70cc51f423da51a65Sunny Goyal return mInsets; 137424418bb50ccf5d9270650b70cc51f423da51a65Sunny Goyal } 138424418bb50ccf5d9270650b70cc51f423da51a65Sunny Goyal 13926279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey @Override 14026279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey public void addView(View child, int index, android.view.ViewGroup.LayoutParams params) { 14126279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey super.addView(child, index, params); 14226279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey setInsets(child, mInsets, new Rect()); 14326279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey } 14426279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey 145b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen public void showOverlayView(View overlayView) { 146432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 147b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen mOverlayView = overlayView; 148b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen addView(overlayView, lp); 149b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen 150b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen // ensure that the overlay view stays on top. we can't use drawing order for this 151b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen // because in API level 16 touch dispatch doesn't respect drawing order. 152b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen mOverlayView.bringToFront(); 153432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen } 154432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen 155432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen public void dismissOverlayView() { 156432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen removeView(mOverlayView); 157432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen } 158432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen 15926279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey private void setInsets(View child, Rect newInsets, Rect oldInsets) { 16026279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams(); 16126279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey if (child instanceof Insettable) { 16226279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey ((Insettable) child).setInsets(newInsets); 16326279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey } else { 16426279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey flp.topMargin += (newInsets.top - oldInsets.top); 16526279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey flp.leftMargin += (newInsets.left - oldInsets.left); 16626279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey flp.rightMargin += (newInsets.right - oldInsets.right); 16726279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey flp.bottomMargin += (newInsets.bottom - oldInsets.bottom); 16826279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey } 16926279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey child.setLayoutParams(flp); 17026279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey } 17126279c6d0917015eb4e6de0743b79edeea25f9bcDave Hawkey 1723371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen private boolean isEventOverFolderTextRegion(Folder folder, MotionEvent ev) { 1733371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen getDescendantRectRelativeToSelf(folder.getEditTextRegion(), mHitRect); 1743371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (mHitRect.contains((int) ev.getX(), (int) ev.getY())) { 1753371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return true; 1763371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 1773371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return false; 1783371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 1793371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen 1803371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen private boolean isEventOverFolder(Folder folder, MotionEvent ev) { 1813371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen getDescendantRectRelativeToSelf(folder, mHitRect); 1823371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (mHitRect.contains((int) ev.getX(), (int) ev.getY())) { 1833371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return true; 1843371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 1853371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return false; 1863371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 1873371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen 18876fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen private boolean handleTouchDown(MotionEvent ev, boolean intercept) { 1896788269814a678af976dfc7d6135993e172ce586Adam Cohen Rect hitRect = new Rect(); 1906788269814a678af976dfc7d6135993e172ce586Adam Cohen int x = (int) ev.getX(); 1916788269814a678af976dfc7d6135993e172ce586Adam Cohen int y = (int) ev.getY(); 1926788269814a678af976dfc7d6135993e172ce586Adam Cohen 1936788269814a678af976dfc7d6135993e172ce586Adam Cohen for (AppWidgetResizeFrame child: mResizeFrames) { 1946788269814a678af976dfc7d6135993e172ce586Adam Cohen child.getHitRect(hitRect); 1956788269814a678af976dfc7d6135993e172ce586Adam Cohen if (hitRect.contains(x, y)) { 1966788269814a678af976dfc7d6135993e172ce586Adam Cohen if (child.beginResizeIfPointInRegion(x - child.getLeft(), y - child.getTop())) { 1976788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame = child; 1986788269814a678af976dfc7d6135993e172ce586Adam Cohen mXDown = x; 1996788269814a678af976dfc7d6135993e172ce586Adam Cohen mYDown = y; 2006788269814a678af976dfc7d6135993e172ce586Adam Cohen requestDisallowInterceptTouchEvent(true); 2016788269814a678af976dfc7d6135993e172ce586Adam Cohen return true; 2026788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2036788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2046788269814a678af976dfc7d6135993e172ce586Adam Cohen } 20576fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 2061d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen Folder currentFolder = mLauncher.getWorkspace().getOpenFolder(); 207424418bb50ccf5d9270650b70cc51f423da51a65Sunny Goyal if (currentFolder != null && intercept) { 2081d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen if (currentFolder.isEditingName()) { 2093371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (!isEventOverFolderTextRegion(currentFolder, ev)) { 2101d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen currentFolder.dismissEditingName(); 21176fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen return true; 2122801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 2132801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 21476fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 2151d9af7d1e75bad13bb10ad37f5900ed59882622eAdam Cohen getDescendantRectRelativeToSelf(currentFolder, hitRect); 2163371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (!isEventOverFolder(currentFolder, ev)) { 21776fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen mLauncher.closeFolder(); 21876fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen return true; 21976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen } 2202801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 2216788269814a678af976dfc7d6135993e172ce586Adam Cohen return false; 2226788269814a678af976dfc7d6135993e172ce586Adam Cohen } 2236788269814a678af976dfc7d6135993e172ce586Adam Cohen 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 226b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen int action = ev.getAction(); 227b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen 228b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen if (action == MotionEvent.ACTION_DOWN) { 22976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen if (handleTouchDown(ev, true)) { 2306788269814a678af976dfc7d6135993e172ce586Adam Cohen return true; 231d1837cc69eb222371afdd30890f7215d117510f2Patrick Dubroy } 232b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen } else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { 233b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen if (mTouchCompleteListener != null) { 234b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen mTouchCompleteListener.onTouchComplete(); 235b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen } 236b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen mTouchCompleteListener = null; 2371b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2386788269814a678af976dfc7d6135993e172ce586Adam Cohen clearAllResizeFrames(); 2394db52312c10e822162a21c60404f06f6e507f0d6Joe Onorato return mDragController.onInterceptTouchEvent(ev); 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 2433371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen public boolean onInterceptHoverEvent(MotionEvent ev) { 244023c71eb3b2bbe63272cb74baaf050c4188c89b0Michael Jurka if (mLauncher == null || mLauncher.getWorkspace() == null) { 245023c71eb3b2bbe63272cb74baaf050c4188c89b0Michael Jurka return false; 246023c71eb3b2bbe63272cb74baaf050c4188c89b0Michael Jurka } 2473371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen Folder currentFolder = mLauncher.getWorkspace().getOpenFolder(); 2483371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (currentFolder == null) { 2493371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return false; 2503371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } else { 2518b805b17158886035b38261eb611d8641701ae43Michael Jurka AccessibilityManager accessibilityManager = (AccessibilityManager) 2528b805b17158886035b38261eb611d8641701ae43Michael Jurka getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 2538b805b17158886035b38261eb611d8641701ae43Michael Jurka if (accessibilityManager.isTouchExplorationEnabled()) { 2543371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen final int action = ev.getAction(); 2553371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen boolean isOverFolder; 2563371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen switch (action) { 2573371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen case MotionEvent.ACTION_HOVER_ENTER: 2583371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen isOverFolder = isEventOverFolder(currentFolder, ev); 2593371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (!isOverFolder) { 2603371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName()); 2613371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen mHoverPointClosesFolder = true; 2623371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return true; 2633371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 264693fbc7f1737d89f11f9ab81558c109f0883ab0eMihail Dumitrescu mHoverPointClosesFolder = false; 265693fbc7f1737d89f11f9ab81558c109f0883ab0eMihail Dumitrescu break; 2663371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen case MotionEvent.ACTION_HOVER_MOVE: 2673371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen isOverFolder = isEventOverFolder(currentFolder, ev); 2683371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen if (!isOverFolder && !mHoverPointClosesFolder) { 2693371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName()); 2703371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen mHoverPointClosesFolder = true; 2713371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return true; 272693fbc7f1737d89f11f9ab81558c109f0883ab0eMihail Dumitrescu } else if (!isOverFolder) { 2733371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return true; 2743371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 275693fbc7f1737d89f11f9ab81558c109f0883ab0eMihail Dumitrescu mHoverPointClosesFolder = false; 2763371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 2773371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 2783371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 2793371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return false; 2803371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 2813371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen 2823371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen private void sendTapOutsideFolderAccessibilityEvent(boolean isEditingName) { 2838b805b17158886035b38261eb611d8641701ae43Michael Jurka AccessibilityManager accessibilityManager = (AccessibilityManager) 2848b805b17158886035b38261eb611d8641701ae43Michael Jurka getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 2858b805b17158886035b38261eb611d8641701ae43Michael Jurka if (accessibilityManager.isEnabled()) { 2863371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen int stringId = isEditingName ? R.string.folder_tap_to_rename : R.string.folder_tap_to_close; 2873371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen AccessibilityEvent event = AccessibilityEvent.obtain( 2883371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen AccessibilityEvent.TYPE_VIEW_FOCUSED); 2893371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen onInitializeAccessibilityEvent(event); 2908b805b17158886035b38261eb611d8641701ae43Michael Jurka event.getText().add(getContext().getString(stringId)); 2918b805b17158886035b38261eb611d8641701ae43Michael Jurka accessibilityManager.sendAccessibilityEvent(event); 2923371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 29383ca480941b3dd635b62347008fc8d7859d82002Winson Chung } 29483ca480941b3dd635b62347008fc8d7859d82002Winson Chung 29583ca480941b3dd635b62347008fc8d7859d82002Winson Chung @Override 29683ca480941b3dd635b62347008fc8d7859d82002Winson Chung public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) { 29783ca480941b3dd635b62347008fc8d7859d82002Winson Chung Folder currentFolder = mLauncher.getWorkspace().getOpenFolder(); 29883ca480941b3dd635b62347008fc8d7859d82002Winson Chung if (currentFolder != null) { 29983ca480941b3dd635b62347008fc8d7859d82002Winson Chung if (child == currentFolder) { 30083ca480941b3dd635b62347008fc8d7859d82002Winson Chung return super.onRequestSendAccessibilityEvent(child, event); 30183ca480941b3dd635b62347008fc8d7859d82002Winson Chung } 30283ca480941b3dd635b62347008fc8d7859d82002Winson Chung // Skip propagating onRequestSendAccessibilityEvent all for other children 30383ca480941b3dd635b62347008fc8d7859d82002Winson Chung // when a folder is open 30483ca480941b3dd635b62347008fc8d7859d82002Winson Chung return false; 30583ca480941b3dd635b62347008fc8d7859d82002Winson Chung } 30683ca480941b3dd635b62347008fc8d7859d82002Winson Chung return super.onRequestSendAccessibilityEvent(child, event); 30783ca480941b3dd635b62347008fc8d7859d82002Winson Chung } 30883ca480941b3dd635b62347008fc8d7859d82002Winson Chung 30983ca480941b3dd635b62347008fc8d7859d82002Winson Chung @Override 31083ca480941b3dd635b62347008fc8d7859d82002Winson Chung public void addChildrenForAccessibility(ArrayList<View> childrenForAccessibility) { 31183ca480941b3dd635b62347008fc8d7859d82002Winson Chung Folder currentFolder = mLauncher.getWorkspace().getOpenFolder(); 31283ca480941b3dd635b62347008fc8d7859d82002Winson Chung if (currentFolder != null) { 31383ca480941b3dd635b62347008fc8d7859d82002Winson Chung // Only add the folder as a child for accessibility when it is open 31483ca480941b3dd635b62347008fc8d7859d82002Winson Chung childrenForAccessibility.add(currentFolder); 31583ca480941b3dd635b62347008fc8d7859d82002Winson Chung } else { 31683ca480941b3dd635b62347008fc8d7859d82002Winson Chung super.addChildrenForAccessibility(childrenForAccessibility); 31783ca480941b3dd635b62347008fc8d7859d82002Winson Chung } 3183371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 3193371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen 3203371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen @Override 3213371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen public boolean onHoverEvent(MotionEvent ev) { 3223371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen // If we've received this, we've already done the necessary handling 3233371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen // in onInterceptHoverEvent. Return true to consume the event. 3243371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen return false; 3253371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen } 3263371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen 3273371da0159cc54ff8ae1b1b26effb96445f208d5Adam Cohen @Override 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 3296788269814a678af976dfc7d6135993e172ce586Adam Cohen boolean handled = false; 3306788269814a678af976dfc7d6135993e172ce586Adam Cohen int action = ev.getAction(); 3316788269814a678af976dfc7d6135993e172ce586Adam Cohen 3326788269814a678af976dfc7d6135993e172ce586Adam Cohen int x = (int) ev.getX(); 3336788269814a678af976dfc7d6135993e172ce586Adam Cohen int y = (int) ev.getY(); 3346788269814a678af976dfc7d6135993e172ce586Adam Cohen 335b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen if (action == MotionEvent.ACTION_DOWN) { 336b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen if (handleTouchDown(ev, false)) { 337b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen return true; 338b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen } 339b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen } else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { 340b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen if (mTouchCompleteListener != null) { 341b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen mTouchCompleteListener.onTouchComplete(); 3426788269814a678af976dfc7d6135993e172ce586Adam Cohen } 343b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen mTouchCompleteListener = null; 3446788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3456788269814a678af976dfc7d6135993e172ce586Adam Cohen 3466788269814a678af976dfc7d6135993e172ce586Adam Cohen if (mCurrentResizeFrame != null) { 3476788269814a678af976dfc7d6135993e172ce586Adam Cohen handled = true; 3486788269814a678af976dfc7d6135993e172ce586Adam Cohen switch (action) { 3496788269814a678af976dfc7d6135993e172ce586Adam Cohen case MotionEvent.ACTION_MOVE: 3506788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame.visualizeResizeForDelta(x - mXDown, y - mYDown); 3516788269814a678af976dfc7d6135993e172ce586Adam Cohen break; 3526788269814a678af976dfc7d6135993e172ce586Adam Cohen case MotionEvent.ACTION_CANCEL: 3536788269814a678af976dfc7d6135993e172ce586Adam Cohen case MotionEvent.ACTION_UP: 354bebf042666cffe52039b875a549a582abd78a431Adam Cohen mCurrentResizeFrame.visualizeResizeForDelta(x - mXDown, y - mYDown); 355bebf042666cffe52039b875a549a582abd78a431Adam Cohen mCurrentResizeFrame.onTouchUp(); 3566788269814a678af976dfc7d6135993e172ce586Adam Cohen mCurrentResizeFrame = null; 3576788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3586788269814a678af976dfc7d6135993e172ce586Adam Cohen } 3596788269814a678af976dfc7d6135993e172ce586Adam Cohen if (handled) return true; 3604db52312c10e822162a21c60404f06f6e507f0d6Joe Onorato return mDragController.onTouchEvent(ev); 36191a9c9636f10f1e12cd1f660b2e330634fbdc7dcRomain Guy } 362ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy 36335e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen /** 36435e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * Determine the rect of the descendant in this DragLayer's coordinates 36535e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * 36635e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param descendant The descendant whose coordinates we want to find. 36735e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param r The rect into which to place the results. 36835e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @return The factor by which this descendant is scaled relative to this DragLayer. 36935e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen */ 370ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen public float getDescendantRectRelativeToSelf(View descendant, Rect r) { 371716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mTmpXY[0] = 0; 372716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mTmpXY[1] = 0; 373ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen float scale = getDescendantCoordRelativeToSelf(descendant, mTmpXY); 3747d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen 3758dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen r.set(mTmpXY[0], mTmpXY[1], 3767d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen (int) (mTmpXY[0] + scale * descendant.getMeasuredWidth()), 3777d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen (int) (mTmpXY[1] + scale * descendant.getMeasuredHeight())); 378ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen return scale; 379716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 38076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 381307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen public float getLocationInDragLayer(View child, int[] loc) { 38235e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen loc[0] = 0; 38335e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen loc[1] = 0; 384307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen return getDescendantCoordRelativeToSelf(child, loc); 38535e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen } 38635e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen 3877d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen public float getDescendantCoordRelativeToSelf(View descendant, int[] coord) { 3887d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen return getDescendantCoordRelativeToSelf(descendant, coord, false); 3897d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen } 3907d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen 39135e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen /** 39235e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * Given a coordinate relative to the descendant, find the coordinate in this DragLayer's 39335e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * coordinates. 39435e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * 39535e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param descendant The descendant to which the passed coordinate is relative. 39635e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen * @param coord The coordinate that we want mapped. 3977d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen * @param includeRootScroll Whether or not to account for the scroll of the root descendant: 3987d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen * sometimes this is relevant as in a child's coordinates within the root descendant. 399307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen * @return The factor by which this descendant is scaled relative to this DragLayer. Caution 400307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen * this scale factor is assumed to be equal in X and Y, and so if at any point this 401307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen * assumption fails, we will need to return a pair of scale factors. 40235e7e64d4b98e42c760e5e91489b7014a6ba9073Adam Cohen */ 4037d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen public float getDescendantCoordRelativeToSelf(View descendant, int[] coord, 4047d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen boolean includeRootScroll) { 405c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung return Utilities.getDescendantCoordRelativeToParent(descendant, this, 406c9ca2980983ab21fc8631c7a65399d6d9c70f39cWinson Chung coord, includeRootScroll); 407c9ca2980983ab21fc8631c7a65399d6d9c70f39cWinson Chung } 408c9ca2980983ab21fc8631c7a65399d6d9c70f39cWinson Chung 4097d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen /** 4107d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen * Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}. 4117d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen */ 4127d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen public float mapCoordInSelfToDescendent(View descendant, int[] coord) { 413c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung return Utilities.mapCoordInSelfToDescendent(descendant, this, coord); 41476fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen } 41576fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 4163e8f811f31a2275e778244427271f77f4116c08bAdam Cohen public void getViewRectRelativeToSelf(View v, Rect r) { 4173e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int[] loc = new int[2]; 4188dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen getLocationInWindow(loc); 4193e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int x = loc[0]; 4203e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int y = loc[1]; 421716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 4228dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen v.getLocationInWindow(loc); 4233e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int vX = loc[0]; 4243e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int vY = loc[1]; 425716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 4263e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int left = vX - x; 4273e8f811f31a2275e778244427271f77f4116c08bAdam Cohen int top = vY - y; 4283e8f811f31a2275e778244427271f77f4116c08bAdam Cohen r.set(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight()); 429716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 430716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 431ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy @Override 432ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy public boolean dispatchUnhandledMove(View focused, int direction) { 433ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy return mDragController.dispatchUnhandledMove(focused, direction); 434ea3763c2672f77539538af8cdd395ad97058eaabRomain Guy } 435120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen 4366788269814a678af976dfc7d6135993e172ce586Adam Cohen public static class LayoutParams extends FrameLayout.LayoutParams { 4376788269814a678af976dfc7d6135993e172ce586Adam Cohen public int x, y; 4386788269814a678af976dfc7d6135993e172ce586Adam Cohen public boolean customPosition = false; 4396788269814a678af976dfc7d6135993e172ce586Adam Cohen 4406788269814a678af976dfc7d6135993e172ce586Adam Cohen /** 4416788269814a678af976dfc7d6135993e172ce586Adam Cohen * {@inheritDoc} 4426788269814a678af976dfc7d6135993e172ce586Adam Cohen */ 4436788269814a678af976dfc7d6135993e172ce586Adam Cohen public LayoutParams(int width, int height) { 4446788269814a678af976dfc7d6135993e172ce586Adam Cohen super(width, height); 4456788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4466788269814a678af976dfc7d6135993e172ce586Adam Cohen 4476788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setWidth(int width) { 4486788269814a678af976dfc7d6135993e172ce586Adam Cohen this.width = width; 4496788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4506788269814a678af976dfc7d6135993e172ce586Adam Cohen 4516788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getWidth() { 4526788269814a678af976dfc7d6135993e172ce586Adam Cohen return width; 4536788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4546788269814a678af976dfc7d6135993e172ce586Adam Cohen 4556788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setHeight(int height) { 4566788269814a678af976dfc7d6135993e172ce586Adam Cohen this.height = height; 4576788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4586788269814a678af976dfc7d6135993e172ce586Adam Cohen 4596788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getHeight() { 4606788269814a678af976dfc7d6135993e172ce586Adam Cohen return height; 4616788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4626788269814a678af976dfc7d6135993e172ce586Adam Cohen 4636788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setX(int x) { 4646788269814a678af976dfc7d6135993e172ce586Adam Cohen this.x = x; 4656788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4666788269814a678af976dfc7d6135993e172ce586Adam Cohen 4676788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getX() { 4686788269814a678af976dfc7d6135993e172ce586Adam Cohen return x; 4696788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4706788269814a678af976dfc7d6135993e172ce586Adam Cohen 4716788269814a678af976dfc7d6135993e172ce586Adam Cohen public void setY(int y) { 4726788269814a678af976dfc7d6135993e172ce586Adam Cohen this.y = y; 4736788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4746788269814a678af976dfc7d6135993e172ce586Adam Cohen 4756788269814a678af976dfc7d6135993e172ce586Adam Cohen public int getY() { 4766788269814a678af976dfc7d6135993e172ce586Adam Cohen return y; 4776788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4786788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4796788269814a678af976dfc7d6135993e172ce586Adam Cohen 4806788269814a678af976dfc7d6135993e172ce586Adam Cohen protected void onLayout(boolean changed, int l, int t, int r, int b) { 4816788269814a678af976dfc7d6135993e172ce586Adam Cohen super.onLayout(changed, l, t, r, b); 4826788269814a678af976dfc7d6135993e172ce586Adam Cohen int count = getChildCount(); 4836788269814a678af976dfc7d6135993e172ce586Adam Cohen for (int i = 0; i < count; i++) { 4846788269814a678af976dfc7d6135993e172ce586Adam Cohen View child = getChildAt(i); 4856788269814a678af976dfc7d6135993e172ce586Adam Cohen final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams(); 4866788269814a678af976dfc7d6135993e172ce586Adam Cohen if (flp instanceof LayoutParams) { 4876788269814a678af976dfc7d6135993e172ce586Adam Cohen final LayoutParams lp = (LayoutParams) flp; 4886788269814a678af976dfc7d6135993e172ce586Adam Cohen if (lp.customPosition) { 4896788269814a678af976dfc7d6135993e172ce586Adam Cohen child.layout(lp.x, lp.y, lp.x + lp.width, lp.y + lp.height); 4906788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4916788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4926788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4936788269814a678af976dfc7d6135993e172ce586Adam Cohen } 4946788269814a678af976dfc7d6135993e172ce586Adam Cohen 4956788269814a678af976dfc7d6135993e172ce586Adam Cohen public void clearAllResizeFrames() { 4966788269814a678af976dfc7d6135993e172ce586Adam Cohen if (mResizeFrames.size() > 0) { 4976788269814a678af976dfc7d6135993e172ce586Adam Cohen for (AppWidgetResizeFrame frame: mResizeFrames) { 498bebf042666cffe52039b875a549a582abd78a431Adam Cohen frame.commitResize(); 4996788269814a678af976dfc7d6135993e172ce586Adam Cohen removeView(frame); 5006788269814a678af976dfc7d6135993e172ce586Adam Cohen } 5016788269814a678af976dfc7d6135993e172ce586Adam Cohen mResizeFrames.clear(); 5026788269814a678af976dfc7d6135993e172ce586Adam Cohen } 5036788269814a678af976dfc7d6135993e172ce586Adam Cohen } 5046788269814a678af976dfc7d6135993e172ce586Adam Cohen 5056788269814a678af976dfc7d6135993e172ce586Adam Cohen public boolean hasResizeFrames() { 5066788269814a678af976dfc7d6135993e172ce586Adam Cohen return mResizeFrames.size() > 0; 5076788269814a678af976dfc7d6135993e172ce586Adam Cohen } 5086788269814a678af976dfc7d6135993e172ce586Adam Cohen 5096788269814a678af976dfc7d6135993e172ce586Adam Cohen public boolean isWidgetBeingResized() { 5106788269814a678af976dfc7d6135993e172ce586Adam Cohen return mCurrentResizeFrame != null; 5116788269814a678af976dfc7d6135993e172ce586Adam Cohen } 5126788269814a678af976dfc7d6135993e172ce586Adam Cohen 5136788269814a678af976dfc7d6135993e172ce586Adam Cohen public void addResizeFrame(ItemInfo itemInfo, LauncherAppWidgetHostView widget, 5146788269814a678af976dfc7d6135993e172ce586Adam Cohen CellLayout cellLayout) { 5156788269814a678af976dfc7d6135993e172ce586Adam Cohen AppWidgetResizeFrame resizeFrame = new AppWidgetResizeFrame(getContext(), 5163a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka widget, cellLayout, this); 5176788269814a678af976dfc7d6135993e172ce586Adam Cohen 5186788269814a678af976dfc7d6135993e172ce586Adam Cohen LayoutParams lp = new LayoutParams(-1, -1); 5196788269814a678af976dfc7d6135993e172ce586Adam Cohen lp.customPosition = true; 5206788269814a678af976dfc7d6135993e172ce586Adam Cohen 5216788269814a678af976dfc7d6135993e172ce586Adam Cohen addView(resizeFrame, lp); 5226788269814a678af976dfc7d6135993e172ce586Adam Cohen mResizeFrames.add(resizeFrame); 5236788269814a678af976dfc7d6135993e172ce586Adam Cohen 5246788269814a678af976dfc7d6135993e172ce586Adam Cohen resizeFrame.snapToWidget(false); 5256788269814a678af976dfc7d6135993e172ce586Adam Cohen } 526716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 527716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen public void animateViewIntoPosition(DragView dragView, final View child) { 52828f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen animateViewIntoPosition(dragView, child, null, null); 529557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung } 530ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen 5317bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung public void animateViewIntoPosition(DragView dragView, final int[] pos, float alpha, 5327bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float scaleX, float scaleY, int animationEndStyle, Runnable onFinishRunnable, 5337bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung int duration) { 534b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen Rect r = new Rect(); 535b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen getViewRectRelativeToSelf(dragView, r); 536b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen final int fromX = r.left; 537b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen final int fromY = r.top; 538b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen 5397bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung animateViewIntoPosition(dragView, fromX, fromY, pos[0], pos[1], alpha, 1, 1, scaleX, scaleY, 540ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen onFinishRunnable, animationEndStyle, duration, null); 541ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 542ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen 543557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung public void animateViewIntoPosition(DragView dragView, final View child, 54428f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen final Runnable onFinishAnimationRunnable, View anchorView) { 54528f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen animateViewIntoPosition(dragView, child, -1, onFinishAnimationRunnable, anchorView); 546ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen } 547ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen 548ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen public void animateViewIntoPosition(DragView dragView, final View child, int duration, 5496441de0ec2a71862798dd51180d0811b42edd514Adam Cohen final Runnable onFinishAnimationRunnable, View anchorView) { 550a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka ShortcutAndWidgetContainer parentChildren = (ShortcutAndWidgetContainer) child.getParent(); 551716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 552eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung parentChildren.measureChild(child); 553716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 5543e8f811f31a2275e778244427271f77f4116c08bAdam Cohen Rect r = new Rect(); 5553e8f811f31a2275e778244427271f77f4116c08bAdam Cohen getViewRectRelativeToSelf(dragView, r); 556716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 557716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen int coord[] = new int[2]; 558307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen float childScale = child.getScaleX(); 559307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen coord[0] = lp.x + (int) (child.getMeasuredWidth() * (1 - childScale) / 2); 560307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen coord[1] = lp.y + (int) (child.getMeasuredHeight() * (1 - childScale) / 2); 561eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 5628dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen // Since the child hasn't necessarily been laid out, we force the lp to be updated with 563ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen // the correct coordinates (above) and use these to determine the final location 564557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung float scale = getDescendantCoordRelativeToSelf((View) child.getParent(), coord); 565307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen // We need to account for the scale of the child itself, as the above only accounts for 566307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen // for the scale in parents. 567307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen scale *= childScale; 568ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen int toX = coord[0]; 569ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen int toY = coord[1]; 570eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung float toScale = scale; 5714497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn if (child instanceof TextView) { 5724497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn TextView tv = (TextView) child; 573eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung // Account for the source scale of the icon (ie. from AllApps to Workspace, in which 574eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung // the workspace may have smaller icon bounds). 575eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung toScale = scale / dragView.getIntrinsicIconScaleFactor(); 5764497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn 5774497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn // The child may be scaled (always about the center of the view) so to account for it, 5784497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn // we have to offset the position by the scaled size. Once we do that, we can center 5794497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn // the drag view about the scaled child view. 580eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung toY += Math.round(toScale * tv.getPaddingTop()); 581eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung toY -= dragView.getMeasuredHeight() * (1 - toScale) / 2; 58295abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal if (dragView.getDragVisualizeOffset() != null) { 58395abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal toY -= Math.round(toScale * dragView.getDragVisualizeOffset().y); 58495abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal } 58595abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal 5864497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn toX -= (dragView.getMeasuredWidth() - Math.round(scale * child.getMeasuredWidth())) / 2; 5874497ebf9a2726e2a7dbb7f3c49389308908f8454Andrew Flynn } else if (child instanceof FolderIcon) { 588ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung // Account for holographic blur padding on the drag view 5895f8afe6280eae34620067696173e71943e1a30a3Winson Chung toY += Math.round(scale * (child.getPaddingTop() - dragView.getDragRegionTop())); 590307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen toY -= scale * Workspace.DRAG_BITMAP_PADDING / 2; 591307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen toY -= (1 - scale) * dragView.getMeasuredHeight() / 2; 592ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung // Center in the x coordinate about the target's drawable 593ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung toX -= (dragView.getMeasuredWidth() - Math.round(scale * child.getMeasuredWidth())) / 2; 594ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen } else { 595ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toY -= (Math.round(scale * (dragView.getHeight() - child.getMeasuredHeight()))) / 2; 596ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen toX -= (Math.round(scale * (dragView.getMeasuredWidth() 597ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen - child.getMeasuredWidth()))) / 2; 598ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen } 599716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 600ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen final int fromX = r.left; 601ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen final int fromY = r.top; 602716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen child.setVisibility(INVISIBLE); 6038dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen Runnable onCompleteRunnable = new Runnable() { 6048dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void run() { 6058dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen child.setVisibility(VISIBLE); 606d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (onFinishAnimationRunnable != null) { 607d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen onFinishAnimationRunnable.run(); 608d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 6098dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 6108dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen }; 611eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung animateViewIntoPosition(dragView, fromX, fromY, toX, toY, 1, 1, 1, toScale, toScale, 612d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen onCompleteRunnable, ANIMATION_END_DISAPPEAR, duration, anchorView); 613557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung } 614557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung 615d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void animateViewIntoPosition(final DragView view, final int fromX, final int fromY, 616ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen final int toX, final int toY, float finalAlpha, float initScaleX, float initScaleY, 617ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen float finalScaleX, float finalScaleY, Runnable onCompleteRunnable, 618ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen int animationEndStyle, int duration, View anchorView) { 6198dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen Rect from = new Rect(fromX, fromY, fromX + 6208dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen view.getMeasuredWidth(), fromY + view.getMeasuredHeight()); 6213e8f811f31a2275e778244427271f77f4116c08bAdam Cohen Rect to = new Rect(toX, toY, toX + view.getMeasuredWidth(), toY + view.getMeasuredHeight()); 622ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen animateView(view, from, to, finalAlpha, initScaleX, initScaleY, finalScaleX, finalScaleY, duration, 623ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen null, null, onCompleteRunnable, animationEndStyle, anchorView); 6243e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 6253e8f811f31a2275e778244427271f77f4116c08bAdam Cohen 626b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen /** 627b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * This method animates a view at the end of a drag and drop animation. 628b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * 629b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param view The view to be animated. This view is drawn directly into DragLayer, and so 630b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * doesn't need to be a child of DragLayer. 631b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param from The initial location of the view. Only the left and top parameters are used. 632b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param to The final location of the view. Only the left and top parameters are used. This 633b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * location doesn't account for scaling, and so should be centered about the desired 634b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * final location (including scaling). 635b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param finalAlpha The final alpha of the view, in case we want it to fade as it animates. 636b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param finalScale The final scale of the view. The view is scaled about its center. 637b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param duration The duration of the animation. 638b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param motionInterpolator The interpolator to use for the location of the view. 639b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param alphaInterpolator The interpolator to use for the alpha of the view. 640b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param onCompleteRunnable Optional runnable to run on animation completion. 641b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * @param fadeOut Whether or not to fade out the view once the animation completes. If true, 642b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen * the runnable will execute after the view is faded out. 6436441de0ec2a71862798dd51180d0811b42edd514Adam Cohen * @param anchorView If not null, this represents the view which the animated view stays 6446441de0ec2a71862798dd51180d0811b42edd514Adam Cohen * anchored to in case scrolling is currently taking place. Note: currently this is 6456441de0ec2a71862798dd51180d0811b42edd514Adam Cohen * only used for the X dimension for the case of the workspace. 646b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen */ 6477bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung public void animateView(final DragView view, final Rect from, final Rect to, 6487bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final float finalAlpha, final float initScaleX, final float initScaleY, 6497bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final float finalScaleX, final float finalScaleY, int duration, 6507bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final Interpolator motionInterpolator, final Interpolator alphaInterpolator, 6517bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final Runnable onCompleteRunnable, final int animationEndStyle, View anchorView) { 6527bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 653716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen // Calculate the duration of the animation based on the object's distance 6543e8f811f31a2275e778244427271f77f4116c08bAdam Cohen final float dist = (float) Math.sqrt(Math.pow(to.left - from.left, 2) + 6553e8f811f31a2275e778244427271f77f4116c08bAdam Cohen Math.pow(to.top - from.top, 2)); 656716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final Resources res = getResources(); 657716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final float maxDist = (float) res.getInteger(R.integer.config_dropAnimMaxDist); 6583e8f811f31a2275e778244427271f77f4116c08bAdam Cohen 6593e8f811f31a2275e778244427271f77f4116c08bAdam Cohen // If duration < 0, this is a cue to compute the duration based on the distance 6603e8f811f31a2275e778244427271f77f4116c08bAdam Cohen if (duration < 0) { 6613e8f811f31a2275e778244427271f77f4116c08bAdam Cohen duration = res.getInteger(R.integer.config_dropAnimMaxDuration); 6623e8f811f31a2275e778244427271f77f4116c08bAdam Cohen if (dist < maxDist) { 6638dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen duration *= mCubicEaseOutInterpolator.getInterpolation(dist / maxDist); 6643e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 66561b0c69d3fe331d3de338322396d5de691d58613Winson Chung duration = Math.max(duration, res.getInteger(R.integer.config_dropAnimMinDuration)); 666716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 667716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 668043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Fall back to cubic ease out interpolator for the animation if none is specified 669043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung TimeInterpolator interpolator = null; 6703e8f811f31a2275e778244427271f77f4116c08bAdam Cohen if (alphaInterpolator == null || motionInterpolator == null) { 671043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung interpolator = mCubicEaseOutInterpolator; 6723e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 673716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 674043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Animate the view 6757bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final float initAlpha = view.getAlpha(); 676043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung final float dropViewScale = view.getScaleX(); 677043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung AnimatorUpdateListener updateCb = new AnimatorUpdateListener() { 678043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung @Override 679716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 680716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen final float percent = (Float) animation.getAnimatedValue(); 6817bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final int width = view.getMeasuredWidth(); 6827bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung final int height = view.getMeasuredHeight(); 683716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 6843e8f811f31a2275e778244427271f77f4116c08bAdam Cohen float alphaPercent = alphaInterpolator == null ? percent : 6853e8f811f31a2275e778244427271f77f4116c08bAdam Cohen alphaInterpolator.getInterpolation(percent); 6863e8f811f31a2275e778244427271f77f4116c08bAdam Cohen float motionPercent = motionInterpolator == null ? percent : 6873e8f811f31a2275e778244427271f77f4116c08bAdam Cohen motionInterpolator.getInterpolation(percent); 688a1cdab039292f3d809528c0e2e38580b37864d8dWinson Chung 6897bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float initialScaleX = initScaleX * dropViewScale; 6907bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float initialScaleY = initScaleY * dropViewScale; 6917bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float scaleX = finalScaleX * percent + initialScaleX * (1 - percent); 6927bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float scaleY = finalScaleY * percent + initialScaleY * (1 - percent); 6937bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float alpha = finalAlpha * alphaPercent + initAlpha * (1 - alphaPercent); 6947bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 6957bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float fromLeft = from.left + (initialScaleX - 1f) * width / 2; 6967bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float fromTop = from.top + (initialScaleY - 1f) * height / 2; 6977bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 6987bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung int x = (int) (fromLeft + Math.round(((to.left - fromLeft) * motionPercent))); 6997bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung int y = (int) (fromTop + Math.round(((to.top - fromTop) * motionPercent))); 7007bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 70128f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen int anchorAdjust = mAnchorView == null ? 0 : (int) (mAnchorView.getScaleX() * 70228f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen (mAnchorViewInitialScrollX - mAnchorView.getScrollX())); 70328f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen 70428f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen int xPos = x - mDropView.getScrollX() + anchorAdjust; 7057bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung int yPos = y - mDropView.getScrollY(); 7067bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 7077bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropView.setTranslationX(xPos); 7087bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropView.setTranslationY(yPos); 7097bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropView.setScaleX(scaleX); 7107bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropView.setScaleY(scaleY); 7117bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropView.setAlpha(alpha); 712716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 713043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung }; 714043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung animateView(view, updateCb, duration, interpolator, onCompleteRunnable, animationEndStyle, 715043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung anchorView); 716043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung } 717043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung 718043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung public void animateView(final DragView view, AnimatorUpdateListener updateCb, int duration, 719043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung TimeInterpolator interpolator, final Runnable onCompleteRunnable, 720043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung final int animationEndStyle, View anchorView) { 721043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Clean up the previous animations 722043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung if (mDropAnim != null) mDropAnim.cancel(); 723043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung if (mFadeOutAnim != null) mFadeOutAnim.cancel(); 724043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung 725043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Show the drop view if it was previously hidden 726043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropView = view; 727043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropView.cancelAnimation(); 728043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropView.resetLayoutParams(); 729043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung 730043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Set the anchor view if the page is scrolling 731043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung if (anchorView != null) { 732043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mAnchorViewInitialScrollX = anchorView.getScrollX(); 733043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung } 734043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mAnchorView = anchorView; 735043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung 736043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Create and start the animation 737043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropAnim = new ValueAnimator(); 738043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropAnim.setInterpolator(interpolator); 739043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropAnim.setDuration(duration); 740043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropAnim.setFloatValues(0f, 1f); 741043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDropAnim.addUpdateListener(updateCb); 7423e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mDropAnim.addListener(new AnimatorListenerAdapter() { 7433e8f811f31a2275e778244427271f77f4116c08bAdam Cohen public void onAnimationEnd(Animator animation) { 7448dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen if (onCompleteRunnable != null) { 7458dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen onCompleteRunnable.run(); 7468dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 747ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen switch (animationEndStyle) { 748ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen case ANIMATION_END_DISAPPEAR: 749ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen clearAnimatedView(); 750ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen break; 751ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen case ANIMATION_END_FADE_OUT: 7528dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen fadeOutDragView(); 753ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen break; 754ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen case ANIMATION_END_REMAIN_VISIBLE: 755ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen break; 7563e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 7573e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 7583e8f811f31a2275e778244427271f77f4116c08bAdam Cohen }); 759716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen mDropAnim.start(); 760716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen } 761716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 762ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public void clearAnimatedView() { 7637bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung if (mDropAnim != null) { 7647bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropAnim.cancel(); 7657bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung } 7667bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung if (mDropView != null) { 7672d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen mDragController.onDeferredEndDrag(mDropView); 7687bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung } 769ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen mDropView = null; 770ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen invalidate(); 771ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 772ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen 773ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public View getAnimatedView() { 774ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen return mDropView; 775ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 776ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen 7778dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen private void fadeOutDragView() { 7788dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim = new ValueAnimator(); 7798dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.setDuration(150); 7808dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.setFloatValues(0f, 1f); 7818dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.removeAllUpdateListeners(); 7828dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.addUpdateListener(new AnimatorUpdateListener() { 7838dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 7848dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen final float percent = (Float) animation.getAnimatedValue(); 7857bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 7867bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung float alpha = 1 - percent; 7877bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDropView.setAlpha(alpha); 7888dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 7898dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen }); 7908dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.addListener(new AnimatorListenerAdapter() { 7918dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void onAnimationEnd(Animator animation) { 7927bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung if (mDropView != null) { 793043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung mDragController.onDeferredEndDrag(mDropView); 7947bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung } 7958dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDropView = null; 796ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen invalidate(); 7978dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 7988dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen }); 7998dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mFadeOutAnim.start(); 8008dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 8018dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen 802716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen @Override 8038b805b17158886035b38261eb611d8641701ae43Michael Jurka public void onChildViewAdded(View parent, View child) { 804b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen if (mOverlayView != null) { 805b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen // ensure that the overlay view stays on top. we can't use drawing order for this 806b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen // because in API level 16 touch dispatch doesn't respect drawing order. 807b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen mOverlayView.bringToFront(); 808b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen } 80921b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen updateChildIndices(); 81021b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen } 81121b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen 81221b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen @Override 8138b805b17158886035b38261eb611d8641701ae43Michael Jurka public void onChildViewRemoved(View parent, View child) { 81421b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen updateChildIndices(); 81521b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen } 81621b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen 817432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen @Override 818432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen public void bringChildToFront(View child) { 819432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen super.bringChildToFront(child); 820b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen if (child != mOverlayView && mOverlayView != null) { 821b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen // ensure that the overlay view stays on top. we can't use drawing order for this 822b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen // because in API level 16 touch dispatch doesn't respect drawing order. 823b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen mOverlayView.bringToFront(); 824b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen } 825432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen updateChildIndices(); 826432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen } 827432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen 82821b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen private void updateChildIndices() { 829432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen mTopViewIndex = -1; 83055bd9725d5c0373b89f7b9bbd9547550ea3bbc63Jorim Jaggi int childCount = getChildCount(); 83155bd9725d5c0373b89f7b9bbd9547550ea3bbc63Jorim Jaggi for (int i = 0; i < childCount; i++) { 832b670f195ffb7b4a0519fd0b337b68f7412159414Adam Cohen if (getChildAt(i) instanceof DragView) { 833432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen mTopViewIndex = i; 83455bd9725d5c0373b89f7b9bbd9547550ea3bbc63Jorim Jaggi } 83521b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen } 8362d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen mChildCountOnLastUpdate = childCount; 83721b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen } 83821b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen 83921b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen @Override 84021b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen protected int getChildDrawingOrder(int childCount, int i) { 8412d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen if (mChildCountOnLastUpdate != childCount) { 8422d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen // between platform versions 17 and 18, behavior for onChildViewRemoved / Added changed. 8432d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen // Pre-18, the child was not added / removed by the time of those callbacks. We need to 8442d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen // force update our representation of things here to avoid crashing on pre-18 devices 8452d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen // in certain instances. 8462d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen updateChildIndices(); 8472d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen } 8482d783ce2f4b2e507bead0d723f0edcdf902dbd46Adam Cohen 849432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen // i represents the current draw iteration 850432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen if (mTopViewIndex == -1) { 851432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen // in general we do nothing 85221b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen return i; 853432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen } else if (i == childCount - 1) { 854432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen // if we have a top index, we return it when drawing last item (highest z-order) 855432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen return mTopViewIndex; 856432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen } else if (i < mTopViewIndex) { 85721b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen return i; 85855bd9725d5c0373b89f7b9bbd9547550ea3bbc63Jorim Jaggi } else { 859432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen // for indexes greater than the top index, we fetch one item above to shift for the 860432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen // displacement of the top index 861432609a246819f3cf887a80c2ae56b61fc5ca25aAdam Cohen return i + 1; 86221b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen } 86321b411074e39fd10cbc8dd0220bb159da4af2c76Adam Cohen } 864360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 865360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung void onEnterScrollArea(int direction) { 866360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung mInScrollArea = true; 867360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung invalidate(); 868360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung } 869360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 870360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung void onExitScrollArea() { 871360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung mInScrollArea = false; 872360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung invalidate(); 873360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung } 874360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 875c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen void showPageHints() { 876c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mShowPageHints = true; 877c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen invalidate(); 878c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen } 879c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen 880c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen void hidePageHints() { 881c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mShowPageHints = false; 882c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen invalidate(); 883c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen } 884c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen 885fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung /** 886fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung * Note: this is a reimplementation of View.isLayoutRtl() since that is currently hidden api. 887fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung */ 888fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung private boolean isLayoutRtl() { 889fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung return (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 890fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung } 891fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung 892360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung @Override 893360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung protected void dispatchDraw(Canvas canvas) { 8946c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen // Draw the background gradient below children. 8956c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen if (mBackground != null && mBackgroundAlpha > 0.0f) { 8966c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen int alpha = (int) (mBackgroundAlpha * 255); 8976c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen mBackground.setAlpha(alpha); 8986c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen mBackground.setBounds(0, 0, getMeasuredWidth(), getMeasuredHeight()); 8996c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen mBackground.draw(canvas); 9006c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen } 9016c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen 902360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung super.dispatchDraw(canvas); 9038cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen } 904360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 9058cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen private void drawPageHints(Canvas canvas) { 906c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen if (mShowPageHints) { 907360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung Workspace workspace = mLauncher.getWorkspace(); 90861a9a5c359e3e14cb1beaf43dbdb54e00911fe80Adam Cohen int width = getMeasuredWidth(); 909360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung Rect childRect = new Rect(); 910c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen getDescendantRectRelativeToSelf(workspace.getChildAt(workspace.getChildCount() - 1), 911c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen childRect); 912360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 913360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung int page = workspace.getNextPage(); 914fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung final boolean isRtl = isLayoutRtl(); 915fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung CellLayout leftPage = (CellLayout) workspace.getChildAt(isRtl ? page + 1 : page - 1); 916fe1fe268b6d9ffd99218117795b3524a87e5110bWinson Chung CellLayout rightPage = (CellLayout) workspace.getChildAt(isRtl ? page - 1 : page + 1); 917360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung 918c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen if (leftPage != null && leftPage.isDragTarget()) { 919c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen Drawable left = mInScrollArea && leftPage.getIsDragOverlapping() ? 920c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mLeftHoverDrawableActive : mLeftHoverDrawable; 921c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen left.setBounds(0, childRect.top, 922c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen left.getIntrinsicWidth(), childRect.bottom); 923c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen left.draw(canvas); 924c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen } 925c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen if (rightPage != null && rightPage.isDragTarget()) { 926c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen Drawable right = mInScrollArea && rightPage.getIsDragOverlapping() ? 927c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen mRightHoverDrawableActive : mRightHoverDrawable; 928c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen right.setBounds(width - right.getIntrinsicWidth(), 929360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung childRect.top, width, childRect.bottom); 930c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen right.draw(canvas); 931360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung } 932360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung } 933360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung } 934b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen 9358cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen protected boolean drawChild(Canvas canvas, View child, long drawingTime) { 9368cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen boolean ret = super.drawChild(canvas, child, drawingTime); 9378cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen 9388cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen // We want to draw the page hints above the workspace, but below the drag view. 9398cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen if (child instanceof Workspace) { 9408cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen drawPageHints(canvas); 9418cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen } 9428cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen return ret; 9438cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen } 9448cc05507150fea5282b7581e1a268967a702bcc9Adam Cohen 9456c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen public void setBackgroundAlpha(float alpha) { 9466c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen if (alpha != mBackgroundAlpha) { 9476c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen mBackgroundAlpha = alpha; 9486c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen invalidate(); 9496c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen } 9506c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen } 9516c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen 9526c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen public float getBackgroundAlpha() { 9536c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen return mBackgroundAlpha; 9546c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen } 9556c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen 956b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen public void setTouchCompleteListener(TouchCompleteListener listener) { 957b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen mTouchCompleteListener = listener; 958b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen } 959b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen 960b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen public interface TouchCompleteListener { 961b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen public void onTouchComplete(); 962b0f3d74815417acc3a9d3dce90cbf34b772847f0Adam Cohen } 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 964