14121f22713bbed467a977ec0d867ef53989ff374Dake Gu/* 24121f22713bbed467a977ec0d867ef53989ff374Dake Gu * Copyright (C) 2014 The Android Open Source Project 34121f22713bbed467a977ec0d867ef53989ff374Dake Gu * 44121f22713bbed467a977ec0d867ef53989ff374Dake Gu * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 54121f22713bbed467a977ec0d867ef53989ff374Dake Gu * in compliance with the License. You may obtain a copy of the License at 64121f22713bbed467a977ec0d867ef53989ff374Dake Gu * 74121f22713bbed467a977ec0d867ef53989ff374Dake Gu * http://www.apache.org/licenses/LICENSE-2.0 84121f22713bbed467a977ec0d867ef53989ff374Dake Gu * 94121f22713bbed467a977ec0d867ef53989ff374Dake Gu * Unless required by applicable law or agreed to in writing, software distributed under the License 104121f22713bbed467a977ec0d867ef53989ff374Dake Gu * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 114121f22713bbed467a977ec0d867ef53989ff374Dake Gu * or implied. See the License for the specific language governing permissions and limitations under 124121f22713bbed467a977ec0d867ef53989ff374Dake Gu * the License. 134121f22713bbed467a977ec0d867ef53989ff374Dake Gu */ 144121f22713bbed467a977ec0d867ef53989ff374Dake Gupackage android.support.v17.leanback.widget; 154121f22713bbed467a977ec0d867ef53989ff374Dake Gu 16d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Guimport android.os.Handler; 174121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.support.v4.app.ActivityCompat; 189306f07b1d66f4974a81f781d29739b30124fff0George Mountimport android.support.v4.app.SharedElementCallback; 194121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.support.v4.view.ViewCompat; 20ceb7ab2ddd6e157cd4ade0f14a382c39428163c4Dake Guimport android.support.v17.leanback.R; 2195400e6d31a1ac09e48cb8944a79b7250484aa4cDake Guimport android.support.v17.leanback.transition.TransitionListener; 2295400e6d31a1ac09e48cb8944a79b7250484aa4cDake Guimport android.support.v17.leanback.transition.TransitionHelper; 234121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.support.v17.leanback.widget.DetailsOverviewRowPresenter.ViewHolder; 244121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.app.Activity; 254121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.text.TextUtils; 264121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.view.View; 2795400e6d31a1ac09e48cb8944a79b7250484aa4cDake Guimport android.view.ViewGroup; 284121f22713bbed467a977ec0d867ef53989ff374Dake Guimport android.view.View.MeasureSpec; 294121f22713bbed467a977ec0d867ef53989ff374Dake Gu 304121f22713bbed467a977ec0d867ef53989ff374Dake Guimport java.util.List; 314121f22713bbed467a977ec0d867ef53989ff374Dake Gu 329306f07b1d66f4974a81f781d29739b30124fff0George Mountfinal class DetailsOverviewSharedElementHelper extends SharedElementCallback { 334121f22713bbed467a977ec0d867ef53989ff374Dake Gu 344121f22713bbed467a977ec0d867ef53989ff374Dake Gu private ViewHolder mViewHolder; 354121f22713bbed467a977ec0d867ef53989ff374Dake Gu private Activity mActivityToRunTransition; 364121f22713bbed467a977ec0d867ef53989ff374Dake Gu private String mSharedElementName; 374121f22713bbed467a977ec0d867ef53989ff374Dake Gu private int mRightPanelWidth; 384121f22713bbed467a977ec0d867ef53989ff374Dake Gu private int mRightPanelHeight; 394121f22713bbed467a977ec0d867ef53989ff374Dake Gu 404121f22713bbed467a977ec0d867ef53989ff374Dake Gu @Override 419306f07b1d66f4974a81f781d29739b30124fff0George Mount public void onSharedElementStart(List<String> sharedElementNames, 424121f22713bbed467a977ec0d867ef53989ff374Dake Gu List<View> sharedElements, List<View> sharedElementSnapshots) { 434121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (sharedElements.size() < 1) { 444121f22713bbed467a977ec0d867ef53989ff374Dake Gu return; 454121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 464121f22713bbed467a977ec0d867ef53989ff374Dake Gu View overviewView = sharedElements.get(0); 47e7b29b745f6562b43ad79074cf5445a26cd4073cDake Gu if (mViewHolder == null || mViewHolder.mOverviewFrame != overviewView) { 484121f22713bbed467a977ec0d867ef53989ff374Dake Gu return; 494121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 504121f22713bbed467a977ec0d867ef53989ff374Dake Gu View imageView = mViewHolder.mImageView; 514121f22713bbed467a977ec0d867ef53989ff374Dake Gu final int width = overviewView.getWidth(); 524121f22713bbed467a977ec0d867ef53989ff374Dake Gu final int height = overviewView.getHeight(); 534121f22713bbed467a977ec0d867ef53989ff374Dake Gu imageView.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), 544121f22713bbed467a977ec0d867ef53989ff374Dake Gu MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); 554121f22713bbed467a977ec0d867ef53989ff374Dake Gu imageView.layout(0, 0, width, height); 56b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu final View rightPanel = mViewHolder.mRightPanel; 574121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (mRightPanelWidth != 0 && mRightPanelHeight != 0) { 584121f22713bbed467a977ec0d867ef53989ff374Dake Gu rightPanel.measure(MeasureSpec.makeMeasureSpec(mRightPanelWidth, MeasureSpec.EXACTLY), 594121f22713bbed467a977ec0d867ef53989ff374Dake Gu MeasureSpec.makeMeasureSpec(mRightPanelHeight, MeasureSpec.EXACTLY)); 604121f22713bbed467a977ec0d867ef53989ff374Dake Gu rightPanel.layout(width, rightPanel.getTop(), width + mRightPanelWidth, 614121f22713bbed467a977ec0d867ef53989ff374Dake Gu rightPanel.getTop() + mRightPanelHeight); 624121f22713bbed467a977ec0d867ef53989ff374Dake Gu } else { 634121f22713bbed467a977ec0d867ef53989ff374Dake Gu rightPanel.offsetLeftAndRight(width - rightPanel.getLeft()); 644121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 6572a2146f4c3e6dbb84a5f9f92e7ab42d142dab04Dake Gu mViewHolder.mActionsRow.setVisibility(View.INVISIBLE); 6672a2146f4c3e6dbb84a5f9f92e7ab42d142dab04Dake Gu mViewHolder.mDetailsDescriptionFrame.setVisibility(View.INVISIBLE); 67b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu } 68b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu 69b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu @Override 709306f07b1d66f4974a81f781d29739b30124fff0George Mount public void onSharedElementEnd(List<String> sharedElementNames, 71b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu List<View> sharedElements, List<View> sharedElementSnapshots) { 72b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu if (sharedElements.size() < 1) { 73b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu return; 74b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu } 75b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu View overviewView = sharedElements.get(0); 76e7b29b745f6562b43ad79074cf5445a26cd4073cDake Gu if (mViewHolder == null || mViewHolder.mOverviewFrame != overviewView) { 77b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu return; 78b0181a77ce38f75a7d218745a330c5d80daacfb6Dake Gu } 7995400e6d31a1ac09e48cb8944a79b7250484aa4cDake Gu // temporary let action row take focus so we defer button background animation 8095400e6d31a1ac09e48cb8944a79b7250484aa4cDake Gu mViewHolder.mActionsRow.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS); 8172a2146f4c3e6dbb84a5f9f92e7ab42d142dab04Dake Gu mViewHolder.mActionsRow.setVisibility(View.VISIBLE); 8295400e6d31a1ac09e48cb8944a79b7250484aa4cDake Gu mViewHolder.mActionsRow.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS); 8372a2146f4c3e6dbb84a5f9f92e7ab42d142dab04Dake Gu mViewHolder.mDetailsDescriptionFrame.setVisibility(View.VISIBLE); 844121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 854121f22713bbed467a977ec0d867ef53989ff374Dake Gu 86d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu void setSharedElementEnterTransition(Activity activity, String sharedElementName, 87d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu long timeoutMs) { 884121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (activity == null && !TextUtils.isEmpty(sharedElementName) || 894121f22713bbed467a977ec0d867ef53989ff374Dake Gu activity != null && TextUtils.isEmpty(sharedElementName)) { 904121f22713bbed467a977ec0d867ef53989ff374Dake Gu throw new IllegalArgumentException(); 914121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 924121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (activity == mActivityToRunTransition && 934121f22713bbed467a977ec0d867ef53989ff374Dake Gu TextUtils.equals(sharedElementName, mSharedElementName)) { 944121f22713bbed467a977ec0d867ef53989ff374Dake Gu return; 954121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 964121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (mActivityToRunTransition != null) { 979306f07b1d66f4974a81f781d29739b30124fff0George Mount ActivityCompat.setEnterSharedElementCallback(mActivityToRunTransition, null); 984121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 994121f22713bbed467a977ec0d867ef53989ff374Dake Gu mActivityToRunTransition = activity; 1004121f22713bbed467a977ec0d867ef53989ff374Dake Gu mSharedElementName = sharedElementName; 1014121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (mActivityToRunTransition != null) { 1029306f07b1d66f4974a81f781d29739b30124fff0George Mount ActivityCompat.setEnterSharedElementCallback(mActivityToRunTransition, this); 1034121f22713bbed467a977ec0d867ef53989ff374Dake Gu ActivityCompat.postponeEnterTransition(mActivityToRunTransition); 104d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu if (timeoutMs > 0) { 105d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu new Handler().postDelayed(new Runnable() { 106ceb7ab2ddd6e157cd4ade0f14a382c39428163c4Dake Gu @Override 107d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu public void run() { 108d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu if (mActivityToRunTransition == null) { 109d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu return; 11095400e6d31a1ac09e48cb8944a79b7250484aa4cDake Gu } 111d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu ActivityCompat.startPostponedEnterTransition(mActivityToRunTransition); 112d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu mActivityToRunTransition = null; 11395400e6d31a1ac09e48cb8944a79b7250484aa4cDake Gu } 114d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu }, timeoutMs); 11595400e6d31a1ac09e48cb8944a79b7250484aa4cDake Gu } 1164121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 1174121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 1184121f22713bbed467a977ec0d867ef53989ff374Dake Gu 1194121f22713bbed467a977ec0d867ef53989ff374Dake Gu void onBindToDrawable(ViewHolder vh) { 1204121f22713bbed467a977ec0d867ef53989ff374Dake Gu // After we got a image drawable, we can determine size of right panel. 1214121f22713bbed467a977ec0d867ef53989ff374Dake Gu // We want right panel to have fixed size so that the right panel don't change size 1224121f22713bbed467a977ec0d867ef53989ff374Dake Gu // when the overview is layout as a small bounds in transition. 1234121f22713bbed467a977ec0d867ef53989ff374Dake Gu mViewHolder = vh; 1244121f22713bbed467a977ec0d867ef53989ff374Dake Gu mViewHolder.mRightPanel.addOnLayoutChangeListener(new View.OnLayoutChangeListener() { 1254121f22713bbed467a977ec0d867ef53989ff374Dake Gu @Override 1264121f22713bbed467a977ec0d867ef53989ff374Dake Gu public void onLayoutChange(View v, int left, int top, int right, int bottom, 1274121f22713bbed467a977ec0d867ef53989ff374Dake Gu int oldLeft, int oldTop, int oldRight, int oldBottom) { 1284121f22713bbed467a977ec0d867ef53989ff374Dake Gu mViewHolder.mRightPanel.removeOnLayoutChangeListener(this); 1294121f22713bbed467a977ec0d867ef53989ff374Dake Gu mRightPanelWidth = mViewHolder.mRightPanel.getWidth(); 1304121f22713bbed467a977ec0d867ef53989ff374Dake Gu mRightPanelHeight = mViewHolder.mRightPanel.getHeight(); 1314121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 1324121f22713bbed467a977ec0d867ef53989ff374Dake Gu }); 1334121f22713bbed467a977ec0d867ef53989ff374Dake Gu if (mActivityToRunTransition != null) { 1344121f22713bbed467a977ec0d867ef53989ff374Dake Gu mViewHolder.mRightPanel.postOnAnimation(new Runnable() { 1354121f22713bbed467a977ec0d867ef53989ff374Dake Gu @Override 1364121f22713bbed467a977ec0d867ef53989ff374Dake Gu public void run() { 137f4482e64217e38c0ad8f344da0e90e9e1cf3aa11Dake Gu if (mActivityToRunTransition == null) { 138f4482e64217e38c0ad8f344da0e90e9e1cf3aa11Dake Gu return; 139f4482e64217e38c0ad8f344da0e90e9e1cf3aa11Dake Gu } 140d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu final TransitionHelper transitionHelper = TransitionHelper.getInstance(); 141d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu Object transition = transitionHelper.getSharedElementEnterTransition( 142d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu mActivityToRunTransition.getWindow()); 143d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu if (transition != null) { 144d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu transitionHelper.setTransitionListener(transition, new TransitionListener() { 145d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu @Override 146d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu public void onTransitionEnd(Object transition) { 147d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu // after transition if the action row still focused, transfer 148d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu // focus to its children 149d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu if (mViewHolder.mActionsRow.isFocused()) { 150d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu mViewHolder.mActionsRow.requestFocus(); 151d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu } 152d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu transitionHelper.setTransitionListener(transition, null); 153d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu } 154d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu }); 155d391b19d1bf663ce300b0f4550e6fbaa7e12b0d4Dake Gu } 156e7b29b745f6562b43ad79074cf5445a26cd4073cDake Gu ViewCompat.setTransitionName(mViewHolder.mOverviewFrame, mSharedElementName); 1574121f22713bbed467a977ec0d867ef53989ff374Dake Gu ActivityCompat.startPostponedEnterTransition(mActivityToRunTransition); 1584121f22713bbed467a977ec0d867ef53989ff374Dake Gu mActivityToRunTransition = null; 1594121f22713bbed467a977ec0d867ef53989ff374Dake Gu mSharedElementName = null; 1604121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 1614121f22713bbed467a977ec0d867ef53989ff374Dake Gu }); 1624121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 1634121f22713bbed467a977ec0d867ef53989ff374Dake Gu } 1644121f22713bbed467a977ec0d867ef53989ff374Dake Gu} 165