10246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu/* 20246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Copyright (C) 2014 The Android Open Source Project 30246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * 40246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 50246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * in compliance with the License. You may obtain a copy of the License at 60246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * 70246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * http://www.apache.org/licenses/LICENSE-2.0 80246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * 90246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Unless required by applicable law or agreed to in writing, software distributed under the License 100246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 110246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * or implied. See the License for the specific language governing permissions and limitations under 120246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * the License. 130246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 140246318f27a905a31df5a8af445cfe67d31dfb68Dake Gupackage android.support.v17.leanback.widget; 150246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 163103f63e99d47573823957f7aa34308555873221Aurimas Liutikasimport android.app.Activity; 170246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.os.Handler; 180246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v17.leanback.transition.TransitionHelper; 193103f63e99d47573823957f7aa34308555873221Aurimas Liutikasimport android.support.v17.leanback.transition.TransitionListener; 200246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v17.leanback.widget.FullWidthDetailsOverviewRowPresenter.ViewHolder; 213103f63e99d47573823957f7aa34308555873221Aurimas Liutikasimport android.support.v4.app.ActivityCompat; 223103f63e99d47573823957f7aa34308555873221Aurimas Liutikasimport android.support.v4.view.ViewCompat; 230246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.text.TextUtils; 240246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.util.Log; 250246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 262056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Guimport java.lang.ref.WeakReference; 272056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu 280246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu/** 290246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Helper class to assist delayed shared element activity transition for view created by 300246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * {@link FullWidthDetailsOverviewRowPresenter}. User must call 310246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * {@link #setSharedElementEnterTransition(Activity, String, long)} during activity onCreate() and 320246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * call {@link FullWidthDetailsOverviewRowPresenter#setListener(FullWidthDetailsOverviewRowPresenter.Listener)}. 330246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * The helper implements {@link FullWidthDetailsOverviewRowPresenter.Listener} and starts delayed 340246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * activity transition once {@link FullWidthDetailsOverviewRowPresenter.Listener#onBindLogo(ViewHolder)} 350246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * is called. 360246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 370246318f27a905a31df5a8af445cfe67d31dfb68Dake Gupublic class FullWidthDetailsOverviewSharedElementHelper extends 380246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu FullWidthDetailsOverviewRowPresenter.Listener { 390246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 402056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu static final String TAG = "DetailsTransitionHelper"; 4199ec8b0cb375f7e5577ea3ec9f09e6ff7a95de0dAurimas Liutikas static final boolean DEBUG = false; 420246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 430246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private static final long DEFAULT_TIMEOUT = 5000; 440246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 452056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu static class TransitionTimeOutRunnable implements Runnable { 462056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu WeakReference<FullWidthDetailsOverviewSharedElementHelper> mHelperRef; 472056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu 482056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu TransitionTimeOutRunnable(FullWidthDetailsOverviewSharedElementHelper helper) { 492056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu mHelperRef = new WeakReference<FullWidthDetailsOverviewSharedElementHelper>(helper); 502056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu } 512056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu 522056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu @Override 532056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu public void run() { 542056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu FullWidthDetailsOverviewSharedElementHelper helper = mHelperRef.get(); 552056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu if (helper == null) { 562056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu return; 572056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu } 582056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu if (DEBUG) { 592056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu Log.d(TAG, "timeout " + helper.mActivityToRunTransition); 602056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu } 612056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu helper.startPostponedEnterTransition(); 622056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu } 632056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu } 642056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu 6599ec8b0cb375f7e5577ea3ec9f09e6ff7a95de0dAurimas Liutikas ViewHolder mViewHolder; 6699ec8b0cb375f7e5577ea3ec9f09e6ff7a95de0dAurimas Liutikas Activity mActivityToRunTransition; 670246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private boolean mStartedPostpone; 6899ec8b0cb375f7e5577ea3ec9f09e6ff7a95de0dAurimas Liutikas String mSharedElementName; 690246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private boolean mAutoStartSharedElementTransition = true; 700246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 710246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void setSharedElementEnterTransition(Activity activity, String sharedElementName) { 720246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu setSharedElementEnterTransition(activity, sharedElementName, DEFAULT_TIMEOUT); 730246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 740246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 750246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void setSharedElementEnterTransition(Activity activity, String sharedElementName, 760246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu long timeoutMs) { 77694edde99dc3782374977dab6d9aa34a16c13337Dake Gu if ((activity == null && !TextUtils.isEmpty(sharedElementName)) 78694edde99dc3782374977dab6d9aa34a16c13337Dake Gu || (activity != null && TextUtils.isEmpty(sharedElementName))) { 790246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu throw new IllegalArgumentException(); 800246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 813103f63e99d47573823957f7aa34308555873221Aurimas Liutikas if (activity == mActivityToRunTransition 823103f63e99d47573823957f7aa34308555873221Aurimas Liutikas && TextUtils.equals(sharedElementName, mSharedElementName)) { 830246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu return; 840246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 850246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mActivityToRunTransition = activity; 860246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mSharedElementName = sharedElementName; 870246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 880246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "postponeEnterTransition " + mActivityToRunTransition); 890246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 908403619efebe94666c0615c3fc85080a303acf80Dake Gu Object transition = TransitionHelper.getSharedElementEnterTransition(activity.getWindow()); 910246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu setAutoStartSharedElementTransition(transition != null); 920246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ActivityCompat.postponeEnterTransition(mActivityToRunTransition); 930246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (timeoutMs > 0) { 942056c3e52465864d60f6f64c16a0a27629ba5fd8Dake Gu new Handler().postDelayed(new TransitionTimeOutRunnable(this), timeoutMs); 950246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 960246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 970246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 980246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu /** 990246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Enable or disable auto startPostponedEnterTransition() when bound to logo. When it's 1000246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * disabled, app must call {@link #startPostponedEnterTransition()} to kick off 1010246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterTransition. By default, it is disabled when there is no 1020246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterSharedElementTransition set on the activity. 1030246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 1040246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void setAutoStartSharedElementTransition(boolean enabled) { 1050246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mAutoStartSharedElementTransition = enabled; 1060246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1070246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1080246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu /** 1090246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Returns true if auto startPostponedEnterTransition() when bound to logo. When it's 1100246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * disabled, app must call {@link #startPostponedEnterTransition()} to kick off 1110246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterTransition. By default, it is disabled when there is no 1120246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterSharedElementTransition set on the activity. 1130246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 1140246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public boolean getAutoStartSharedElementTransition() { 1150246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu return mAutoStartSharedElementTransition; 1160246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1170246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1180246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1190246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void onBindLogo(ViewHolder vh) { 1200246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1210246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "onBindLogo, could start transition of " + mActivityToRunTransition); 1220246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1230246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mViewHolder = vh; 1240246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (!mAutoStartSharedElementTransition) { 1250246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu return; 1260246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1270246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (mViewHolder != null) { 1280246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1290246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "rebind? clear transitionName on current viewHolder " 1300246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu + mViewHolder.getOverviewView()); 1310246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1320246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ViewCompat.setTransitionName(mViewHolder.getLogoViewHolder().view, null); 1330246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1340246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // After we got a image drawable, we can determine size of right panel. 1350246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // We want right panel to have fixed size so that the right panel don't change size 1360246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // when the overview is layout as a small bounds in transition. 1370246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mViewHolder.getDetailsDescriptionFrame().postOnAnimation(new Runnable() { 1380246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1390246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void run() { 1400246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1410246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "setTransitionName "+mViewHolder.getOverviewView()); 1420246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1430246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ViewCompat.setTransitionName(mViewHolder.getLogoViewHolder().view, 1440246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mSharedElementName); 1458403619efebe94666c0615c3fc85080a303acf80Dake Gu Object transition = TransitionHelper.getSharedElementEnterTransition( 1460246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mActivityToRunTransition.getWindow()); 1470246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (transition != null) { 1488403619efebe94666c0615c3fc85080a303acf80Dake Gu TransitionHelper.addTransitionListener(transition, new TransitionListener() { 1490246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1500246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void onTransitionEnd(Object transition) { 1510246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1520246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "onTransitionEnd " + mActivityToRunTransition); 1530246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1540246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // after transition if the action row still focused, transfer 1550246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // focus to its children 1560246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (mViewHolder.getActionsRow().isFocused()) { 1570246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mViewHolder.getActionsRow().requestFocus(); 1580246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1598403619efebe94666c0615c3fc85080a303acf80Dake Gu TransitionHelper.removeTransitionListener(transition, this); 1600246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1610246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }); 1620246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1630246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu startPostponedEnterTransitionInternal(); 1640246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1650246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }); 1660246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1670246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1680246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu /** 1690246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Manually start postponed enter transition. 1700246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 1710246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void startPostponedEnterTransition() { 1720246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu new Handler().post(new Runnable(){ 1730246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1740246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void run() { 1750246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu startPostponedEnterTransitionInternal(); 1760246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1770246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }); 1780246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1790246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 18099ec8b0cb375f7e5577ea3ec9f09e6ff7a95de0dAurimas Liutikas void startPostponedEnterTransitionInternal() { 1810246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (!mStartedPostpone && mViewHolder != null) { 1820246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1830246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "startPostponedEnterTransition " + mActivityToRunTransition); 1840246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1850246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ActivityCompat.startPostponedEnterTransition(mActivityToRunTransition); 1860246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mStartedPostpone = true; 1870246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1880246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1890246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu} 190