1 /*
2  * Copyright 2020 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 android.media.cts;
18 
19 import static org.junit.Assert.assertEquals;
20 
21 import android.content.BroadcastReceiver;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.view.KeyEvent;
25 
26 import java.util.function.Consumer;
27 
28 public class MediaButtonBroadcastReceiver extends BroadcastReceiver {
29     public static Consumer<KeyEvent> mCallback;
30 
31     @Override
onReceive(Context context, Intent intent)32     public void onReceive(Context context, Intent intent) {
33         assertEquals(Intent.ACTION_MEDIA_BUTTON, intent.getAction());
34         KeyEvent keyEvent = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
35         synchronized (MediaButtonBroadcastReceiver.class) {
36             if (mCallback != null) {
37                 mCallback.accept(keyEvent);
38             }
39         }
40     }
41 
setCallback(Consumer<KeyEvent> callback)42     public synchronized static void setCallback(Consumer<KeyEvent> callback) {
43         synchronized (MediaButtonBroadcastReceiver.class) {
44             mCallback = callback;
45         }
46     }
47 }
48