Files
lawnchair/systemUIAnim/src/com/android/systemui/animation/RemoteAnimationTargetCompat.java
2024-11-02 10:55:28 +08:00

87 lines
3.8 KiB
Java

/*
* Copyright (C) 2024 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.systemui.animation;
import android.util.ArrayMap;
import android.view.RemoteAnimationTarget;
import android.view.SurfaceControl;
import android.window.TransitionInfo;
import android.window.TransitionInfo.Change;
import com.android.wm.shell.shared.TransitionUtil;
import java.util.ArrayList;
import java.util.function.Predicate;
/**
* Some utility methods for creating {@link RemoteAnimationTarget} instances.
*/
public class RemoteAnimationTargetCompat {
/**
* Represents a TransitionInfo object as an array of old-style app targets
*
* @param leashMap Temporary map of change leash -> launcher leash. Is an output, so should be
* populated by this function. If null, it is ignored.
*/
public static RemoteAnimationTarget[] wrapApps(TransitionInfo info,
SurfaceControl.Transaction t, ArrayMap<SurfaceControl, SurfaceControl> leashMap) {
// LeafTaskFilter is order-dependent, so the same object needs to be used for all Change
// objects. That's why it's constructed here and captured by the lambda instead of building
// a new one ad hoc every time.
TransitionUtil.LeafTaskFilter taskFilter = new TransitionUtil.LeafTaskFilter();
return wrap(info, t, leashMap, (change) -> {
// Intra-task activity -> activity transitions should be categorized as apps.
if (change.getActivityComponent() != null) return true;
return taskFilter.test(change);
});
}
/**
* Represents a TransitionInfo object as an array of old-style non-app targets
*
* @param wallpapers If true, this will return wallpaper targets; otherwise it returns
* non-wallpaper targets.
* @param leashMap Temporary map of change leash -> launcher leash. Is an output, so should be
* populated by this function. If null, it is ignored.
*/
public static RemoteAnimationTarget[] wrapNonApps(TransitionInfo info, boolean wallpapers,
SurfaceControl.Transaction t, ArrayMap<SurfaceControl, SurfaceControl> leashMap) {
return wrap(info, t, leashMap, (change) -> {
// Intra-task activity -> activity transitions should be categorized as apps.
if (change.getActivityComponent() != null) return false;
return wallpapers
? TransitionUtil.isWallpaper(change) : TransitionUtil.isNonApp(change);
});
}
private static RemoteAnimationTarget[] wrap(TransitionInfo info,
SurfaceControl.Transaction t, ArrayMap<SurfaceControl, SurfaceControl> leashMap,
Predicate<Change> filter) {
final ArrayList<RemoteAnimationTarget> out = new ArrayList<>();
for (int i = 0; i < info.getChanges().size(); i++) {
TransitionInfo.Change change = info.getChanges().get(i);
if (TransitionUtil.isOrderOnly(change)) continue;
if (filter.test(change)) {
out.add(TransitionUtil.newTarget(
change, info.getChanges().size() - i, info, t, leashMap));
}
}
return out.toArray(new RemoteAnimationTarget[out.size()]);
}
}