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 160246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.os.Handler; 170246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v4.app.ActivityCompat; 180246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v4.app.SharedElementCallback; 190246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v4.view.ViewCompat; 200246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v17.leanback.R; 210246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v17.leanback.transition.TransitionListener; 220246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v17.leanback.transition.TransitionHelper; 230246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v17.leanback.widget.FullWidthDetailsOverviewRowPresenter.ViewHolder; 240246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.app.Activity; 250246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.content.Intent; 260246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.graphics.Matrix; 270246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.text.TextUtils; 280246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.util.Log; 290246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.view.View; 300246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.view.ViewGroup; 310246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.view.View.MeasureSpec; 320246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.widget.ImageView; 330246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.widget.ImageView.ScaleType; 340246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 350246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport java.util.List; 360246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 370246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu/** 380246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Helper class to assist delayed shared element activity transition for view created by 390246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * {@link FullWidthDetailsOverviewRowPresenter}. User must call 400246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * {@link #setSharedElementEnterTransition(Activity, String, long)} during activity onCreate() and 410246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * call {@link FullWidthDetailsOverviewRowPresenter#setListener(FullWidthDetailsOverviewRowPresenter.Listener)}. 420246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * The helper implements {@link FullWidthDetailsOverviewRowPresenter.Listener} and starts delayed 430246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * activity transition once {@link FullWidthDetailsOverviewRowPresenter.Listener#onBindLogo(ViewHolder)} 440246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * is called. 450246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 460246318f27a905a31df5a8af445cfe67d31dfb68Dake Gupublic class FullWidthDetailsOverviewSharedElementHelper extends 470246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu FullWidthDetailsOverviewRowPresenter.Listener { 480246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 490246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private static final String TAG = "FullWidthDetailsOverviewSharedElementHelper"; 500246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private static final boolean DEBUG = false; 510246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 520246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private static final long DEFAULT_TIMEOUT = 5000; 530246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 540246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private ViewHolder mViewHolder; 550246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private Activity mActivityToRunTransition; 560246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private boolean mStartedPostpone; 570246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private String mSharedElementName; 580246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private boolean mAutoStartSharedElementTransition = true; 590246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 600246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void setSharedElementEnterTransition(Activity activity, String sharedElementName) { 610246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu setSharedElementEnterTransition(activity, sharedElementName, DEFAULT_TIMEOUT); 620246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 630246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 640246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void setSharedElementEnterTransition(Activity activity, String sharedElementName, 650246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu long timeoutMs) { 660246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (activity == null && !TextUtils.isEmpty(sharedElementName) || 670246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu activity != null && TextUtils.isEmpty(sharedElementName)) { 680246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu throw new IllegalArgumentException(); 690246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 700246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (activity == mActivityToRunTransition && 710246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu TextUtils.equals(sharedElementName, mSharedElementName)) { 720246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu return; 730246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 740246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mActivityToRunTransition = activity; 750246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mSharedElementName = sharedElementName; 760246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 770246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "postponeEnterTransition " + mActivityToRunTransition); 780246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 790246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Object transition = TransitionHelper.getInstance() 800246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu .getSharedElementEnterTransition(activity.getWindow()); 810246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu setAutoStartSharedElementTransition(transition != null); 820246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ActivityCompat.postponeEnterTransition(mActivityToRunTransition); 830246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (timeoutMs > 0) { 840246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu new Handler().postDelayed(new Runnable() { 850246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 860246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void run() { 870246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 880246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "timeout " + mActivityToRunTransition); 890246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 900246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu startPostponedEnterTransitionInternal(); 910246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 920246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }, timeoutMs); 930246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 940246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 950246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 960246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu /** 970246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Enable or disable auto startPostponedEnterTransition() when bound to logo. When it's 980246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * disabled, app must call {@link #startPostponedEnterTransition()} to kick off 990246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterTransition. By default, it is disabled when there is no 1000246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterSharedElementTransition set on the activity. 1010246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 1020246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void setAutoStartSharedElementTransition(boolean enabled) { 1030246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mAutoStartSharedElementTransition = enabled; 1040246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1050246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1060246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu /** 1070246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Returns true if auto startPostponedEnterTransition() when bound to logo. When it's 1080246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * disabled, app must call {@link #startPostponedEnterTransition()} to kick off 1090246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterTransition. By default, it is disabled when there is no 1100246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * windowEnterSharedElementTransition set on the activity. 1110246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 1120246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public boolean getAutoStartSharedElementTransition() { 1130246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu return mAutoStartSharedElementTransition; 1140246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1150246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1160246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1170246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void onBindLogo(ViewHolder vh) { 1180246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1190246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "onBindLogo, could start transition of " + mActivityToRunTransition); 1200246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1210246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mViewHolder = vh; 1220246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (!mAutoStartSharedElementTransition) { 1230246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu return; 1240246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1250246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (mViewHolder != null) { 1260246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1270246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "rebind? clear transitionName on current viewHolder " 1280246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu + mViewHolder.getOverviewView()); 1290246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1300246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ViewCompat.setTransitionName(mViewHolder.getLogoViewHolder().view, null); 1310246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1320246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // After we got a image drawable, we can determine size of right panel. 1330246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // We want right panel to have fixed size so that the right panel don't change size 1340246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // when the overview is layout as a small bounds in transition. 1350246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mViewHolder.getDetailsDescriptionFrame().postOnAnimation(new Runnable() { 1360246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1370246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void run() { 1380246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1390246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "setTransitionName "+mViewHolder.getOverviewView()); 1400246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1410246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ViewCompat.setTransitionName(mViewHolder.getLogoViewHolder().view, 1420246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mSharedElementName); 1430246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu final TransitionHelper transitionHelper = TransitionHelper.getInstance(); 1440246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Object transition = transitionHelper.getSharedElementEnterTransition( 1450246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mActivityToRunTransition.getWindow()); 1460246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (transition != null) { 1470246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu transitionHelper.setTransitionListener(transition, new TransitionListener() { 1480246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1490246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void onTransitionEnd(Object transition) { 1500246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1510246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "onTransitionEnd " + mActivityToRunTransition); 1520246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1530246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // after transition if the action row still focused, transfer 1540246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu // focus to its children 1550246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (mViewHolder.getActionsRow().isFocused()) { 1560246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mViewHolder.getActionsRow().requestFocus(); 1570246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1580246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu transitionHelper.setTransitionListener(transition, null); 1590246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1600246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }); 1610246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1620246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu startPostponedEnterTransitionInternal(); 1630246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1640246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }); 1650246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1660246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1670246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu /** 1680246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu * Manually start postponed enter transition. 1690246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu */ 1700246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void startPostponedEnterTransition() { 1710246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu new Handler().post(new Runnable(){ 1720246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu @Override 1730246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu public void run() { 1740246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu startPostponedEnterTransitionInternal(); 1750246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1760246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu }); 1770246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1780246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu 1790246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu private void startPostponedEnterTransitionInternal() { 1800246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (!mStartedPostpone && mViewHolder != null) { 1810246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (DEBUG) { 1820246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu Log.d(TAG, "startPostponedEnterTransition " + mActivityToRunTransition); 1830246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1840246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ActivityCompat.startPostponedEnterTransition(mActivityToRunTransition); 1850246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu mStartedPostpone = true; 1860246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1870246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu } 1880246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu} 189