core/java/android/window/ITransitionMetricsReporter.aidl

/*
 * 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;

/**
 * Implemented by WM Core to know the metrics of transition that runs on a different process.
 * @hide
 */
oneway interface ITransitionMetricsReporter {

    /**
     * Called when the transition animation starts.
     *
     * @param startTime The time when the animation started.
     */
    void reportAnimationStart(IBinder transitionToken, long startTime);
}