Files
lawnchair/wmshell/src/com/android/wm/shell/transition/SleepHandler.java
2024-11-02 10:55:28 +08:00

58 lines
2.1 KiB
Java

/*
* Copyright (C) 2023 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.wm.shell.transition;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.IBinder;
import android.util.Slog;
import android.view.SurfaceControl;
import android.window.TransitionInfo;
import android.window.TransitionRequestInfo;
import android.window.WindowContainerTransaction;
/**
* A Simple handler that tracks SLEEP transitions. We track them specially since we (ab)use these
* as sentinels for fast-forwarding through animations when the screen is off.
*
* There should only be one SleepHandler and it is used explicitly by {@link Transitions} so we
* don't register it like a normal handler.
*/
class SleepHandler implements Transitions.TransitionHandler {
@Override
public boolean startAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
@NonNull SurfaceControl.Transaction startTransaction,
@NonNull SurfaceControl.Transaction finishTransaction,
@NonNull Transitions.TransitionFinishCallback finishCallback) {
if (info.hasChangesOrSideEffects()) {
Slog.e(Transitions.TAG, "Real changes included in a SLEEP transition");
return false;
} else {
startTransaction.apply();
finishCallback.onTransitionFinished(null);
return true;
}
}
@Override
@Nullable
public WindowContainerTransaction handleRequest(@NonNull IBinder transition,
@NonNull TransitionRequestInfo request) {
return new WindowContainerTransaction();
}
}