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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.quickstep;
import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
import static com.android.quickstep.TaskAnimationManager.ENABLE_SHELL_TRANSITIONS;
import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
import java.util.ArrayList;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* Holds a collection of RemoteAnimationTargets, filtered by different properties.
*/
public class RemoteAnimationTargets {
private final CopyOnWriteArrayList<ReleaseCheck> mReleaseChecks = new CopyOnWriteArrayList<>();
public final RemoteAnimationTargetCompat[] unfilteredApps;
public final RemoteAnimationTargetCompat[] apps;
public final RemoteAnimationTargetCompat[] wallpapers;
public final RemoteAnimationTargetCompat[] nonApps;
public final int targetMode;
public final boolean hasRecents;
private boolean mReleased = false;
public RemoteAnimationTargets(RemoteAnimationTargetCompat[] apps,
RemoteAnimationTargetCompat[] wallpapers, RemoteAnimationTargetCompat[] nonApps,
int targetMode) {
ArrayList<RemoteAnimationTargetCompat> filteredApps = new ArrayList<>();
boolean hasRecents = false;
if (apps != null) {
for (RemoteAnimationTargetCompat target : apps) {
if (target.mode == targetMode) {
filteredApps.add(target);
}
hasRecents |= target.activityType ==
RemoteAnimationTargetCompat.ACTIVITY_TYPE_RECENTS;
}
}
this.unfilteredApps = apps;
this.apps = filteredApps.toArray(new RemoteAnimationTargetCompat[filteredApps.size()]);
this.wallpapers = wallpapers;
this.targetMode = targetMode;
this.hasRecents = hasRecents;
this.nonApps = nonApps;
}
public RemoteAnimationTargetCompat findTask(int taskId) {
for (RemoteAnimationTargetCompat target : apps) {
if (target.taskId == taskId) {
return target;
}
}
return null;
}
/**
* Gets the navigation bar remote animation target if exists.
*/
public RemoteAnimationTargetCompat getNavBarRemoteAnimationTarget() {
for (RemoteAnimationTargetCompat target : nonApps) {
if (target.windowType == TYPE_NAVIGATION_BAR) {
return target;
}
}
return null;
}
/** Returns the first opening app target. */
public RemoteAnimationTargetCompat getFirstAppTarget() {
return apps.length > 0 ? apps[0] : null;
}
/** Returns the task id of the first opening app target, or -1 if none is found. */
public int getFirstAppTargetTaskId() {
RemoteAnimationTargetCompat target = getFirstAppTarget();
return target == null ? -1 : target.taskId;
}
public boolean isAnimatingHome() {
for (RemoteAnimationTargetCompat target : unfilteredApps) {
if (target.activityType == RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME) {
return true;
}
}
return false;
}
public void addReleaseCheck(ReleaseCheck check) {
mReleaseChecks.add(check);
}
public void release() {
if (ENABLE_SHELL_TRANSITIONS) {
mReleaseChecks.clear();
return;
}
if (mReleased) {
return;
}
for (ReleaseCheck check : mReleaseChecks) {
if (!check.mCanRelease) {
check.addOnSafeToReleaseCallback(this::release);
return;
}
}
mReleaseChecks.clear();
mReleased = true;
for (RemoteAnimationTargetCompat target : unfilteredApps) {
target.release();
}
for (RemoteAnimationTargetCompat target : wallpapers) {
target.release();
}
for (RemoteAnimationTargetCompat target : nonApps) {
target.release();
}
}
/**
* Interface for intercepting surface release method
*/
public static class ReleaseCheck {
boolean mCanRelease = false;
private Runnable mAfterApplyCallback;
protected void setCanRelease(boolean canRelease) {
mCanRelease = canRelease;
if (mCanRelease && mAfterApplyCallback != null) {
Runnable r = mAfterApplyCallback;
mAfterApplyCallback = null;
r.run();
}
}
/**
* Adds a callback to notify when the surface can safely be released
*/
void addOnSafeToReleaseCallback(Runnable callback) {
if (mCanRelease) {
callback.run();
} else {
if (mAfterApplyCallback == null) {
mAfterApplyCallback = callback;
} else {
final Runnable oldCallback = mAfterApplyCallback;
mAfterApplyCallback = () -> {
callback.run();
oldCallback.run();
};
}
}
}
}
}
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