1 /*
2  * Copyright (C) 2018 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;
18 
19 import android.os.Handler;
20 
21 class RoutingDelegate implements AudioRouting.OnRoutingChangedListener {
22     private AudioRouting mAudioRouting;
23     private AudioRouting.OnRoutingChangedListener mOnRoutingChangedListener;
24     private Handler mHandler;
25 
RoutingDelegate(final AudioRouting audioRouting, final AudioRouting.OnRoutingChangedListener listener, Handler handler)26     RoutingDelegate(final AudioRouting audioRouting,
27                     final AudioRouting.OnRoutingChangedListener listener,
28                     Handler handler) {
29         mAudioRouting = audioRouting;
30         mOnRoutingChangedListener = listener;
31         mHandler = handler;
32     }
33 
getListener()34     public AudioRouting.OnRoutingChangedListener getListener() {
35         return mOnRoutingChangedListener;
36     }
37 
getHandler()38     public Handler getHandler() {
39         return mHandler;
40     }
41 
42     @Override
onRoutingChanged(AudioRouting router)43     public void onRoutingChanged(AudioRouting router) {
44         if (mOnRoutingChangedListener != null) {
45             mOnRoutingChangedListener.onRoutingChanged(mAudioRouting);
46         }
47     }
48 }
49