1 /*
2  * Copyright 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 com.android.bluetooth.audio_util;
18 
19 import android.content.Context;
20 import android.media.session.MediaSession;
21 import android.os.Looper;
22 import android.util.Log;
23 
24 /**
25  * Google Play Music hides some of the metadata behind a specific key in the Extras of the
26  * MediaDescription in the MediaSession.QueueItem. This class exists to provide alternate
27  * methods to allow Google Play Music to match the default behaviour of MediaPlayerWrapper.
28  */
29 class GPMWrapper extends MediaPlayerWrapper {
30     private static final String TAG = "AvrcpGPMWrapper";
31     private static final boolean DEBUG = true;
32 
GPMWrapper(Context context, MediaController controller, Looper looper)33     GPMWrapper(Context context, MediaController controller, Looper looper) {
34         super(context, controller, looper);
35     }
36 
37     @Override
isMetadataSynced()38     boolean isMetadataSynced() {
39         if (getQueue() == null) {
40             return false;
41         }
42 
43         // Check if currentPlayingQueueId is in the queue
44         MediaSession.QueueItem currItem = null;
45         for (MediaSession.QueueItem item : getQueue()) {
46             // The item exists in the current queue
47             if (item.getQueueId() == getActiveQueueID()) {
48                 currItem = item;
49                 break;
50             }
51         }
52 
53         // Check if current playing song in Queue matches current Metadata
54         Metadata qitem = Util.toMetadata(mContext, currItem);
55         Metadata mdata = Util.toMetadata(mContext, getMetadata());
56         if (currItem == null || !qitem.equals(mdata)) {
57             if (DEBUG) {
58                 Log.d(TAG, "Metadata currently out of sync for Google Play Music");
59                 Log.d(TAG, "  └ Current queueItem: " + qitem);
60                 Log.d(TAG, "  └ Current metadata : " + mdata);
61             }
62             return false;
63         }
64 
65         return true;
66     }
67 }
68