1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.car.audio;
18 
19 import static com.android.car.internal.ExcludeFromCodeCoverageGeneratedReport.BOILERPLATE_CODE;
20 
21 import android.car.media.CarVolumeGroupEvent;
22 import android.car.media.ICarVolumeEventCallback;
23 
24 import com.android.car.internal.ExcludeFromCodeCoverageGeneratedReport;
25 
26 import java.util.List;
27 import java.util.concurrent.CountDownLatch;
28 import java.util.concurrent.TimeUnit;
29 
30 @ExcludeFromCodeCoverageGeneratedReport(reason = BOILERPLATE_CODE)
31 final class TestCarVolumeEventCallback extends ICarVolumeEventCallback.Stub {
32     private final long mTimeOutMs;
33     private CountDownLatch mStatusLatch = new CountDownLatch(1);
34     private List<CarVolumeGroupEvent> mVolumeGroupEvents;
35 
TestCarVolumeEventCallback(long timeOutMs)36     TestCarVolumeEventCallback(long timeOutMs) {
37         mTimeOutMs = timeOutMs;
38     }
39 
40     @Override
onVolumeGroupEvent(List<CarVolumeGroupEvent> volumeGroupEvents)41     public void onVolumeGroupEvent(List<CarVolumeGroupEvent> volumeGroupEvents) {
42         mVolumeGroupEvents = volumeGroupEvents;
43         mStatusLatch.countDown();
44     }
45 
46     @Override
onMasterMuteChanged(int zoneId, int flags)47     public void onMasterMuteChanged(int zoneId, int flags) {
48         mStatusLatch.countDown();
49     }
50 
waitForCallback()51     boolean waitForCallback() throws Exception {
52         return mStatusLatch.await(mTimeOutMs, TimeUnit.MILLISECONDS);
53     }
54 
getVolumeGroupEvents()55     List<CarVolumeGroupEvent> getVolumeGroupEvents() {
56         return mVolumeGroupEvents;
57     }
58 
reset()59     public void reset() {
60         mVolumeGroupEvents = null;
61         mStatusLatch = new CountDownLatch(1);
62     }
63 }
64