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/*
* Copyright (C) 2021 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 android.window;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.SystemClock;
import android.util.Singleton;
/**
* A helper class for who plays transition animation can report its metrics easily.
* @hide
*/
public class TransitionMetrics {
private final ITransitionMetricsReporter mTransitionMetricsReporter;
private TransitionMetrics(ITransitionMetricsReporter reporter) {
mTransitionMetricsReporter = reporter;
}
/** Reports the current timestamp as when the transition animation starts. */
public void reportAnimationStart(IBinder transitionToken) {
try {
mTransitionMetricsReporter.reportAnimationStart(transitionToken,
SystemClock.elapsedRealtime());
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
}
/** Gets the singleton instance of TransitionMetrics. */
public static TransitionMetrics getInstance() {
return sTransitionMetrics.get();
}
private static final Singleton<TransitionMetrics> sTransitionMetrics = new Singleton<>() {
@Override
protected TransitionMetrics create() {
return new TransitionMetrics(WindowOrganizer.getTransitionMetricsReporter());
}
};
}
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