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
17package com.android.bluetooth.avrcp;
18
19import android.annotation.NonNull;
20import android.annotation.Nullable;
21import android.app.PendingIntent;
22import android.content.Context;
23import android.media.MediaDescription;
24import android.media.MediaMetadata;
25import android.media.Rating;
26import android.media.session.MediaSession;
27import android.media.session.PlaybackState;
28import android.net.Uri;
29import android.os.Bundle;
30import android.os.Handler;
31import android.os.ResultReceiver;
32import android.view.KeyEvent;
33
34import java.util.List;
35
36/**
37 * Provide a mockable interface in order to test classes that use MediaController.
38 * We need this class due to the fact that the MediaController class is marked as final and
39 * there is no way to currently mock final classes in Android. Once this is possible this class
40 * can be deleted.
41 */
42public class MediaController {
43    @NonNull public android.media.session.MediaController mDelegate;
44    public android.media.session.MediaController.TransportControls mTransportDelegate;
45    public TransportControls mTransportControls;
46
47    public MediaController(@NonNull android.media.session.MediaController delegate) {
48        mDelegate = delegate;
49        mTransportDelegate = delegate.getTransportControls();
50        mTransportControls = new TransportControls();
51    }
52
53    public MediaController(Context context, MediaSession.Token token) {
54        mDelegate = new android.media.session.MediaController(context, token);
55        mTransportDelegate = mDelegate.getTransportControls();
56        mTransportControls = new TransportControls();
57    }
58
59    public android.media.session.MediaController getWrappedInstance() {
60        return mDelegate;
61    }
62
63    @NonNull
64    public TransportControls getTransportControls() {
65        return mTransportControls;
66    }
67
68    public boolean dispatchMediaButtonEvent(@NonNull KeyEvent keyEvent) {
69        return mDelegate.dispatchMediaButtonEvent(keyEvent);
70    }
71
72    @Nullable
73    public PlaybackState getPlaybackState() {
74        return mDelegate.getPlaybackState();
75    }
76
77    @Nullable
78    public MediaMetadata getMetadata() {
79        return mDelegate.getMetadata();
80    }
81
82    @Nullable
83    public List<MediaSession.QueueItem> getQueue() {
84        return mDelegate.getQueue();
85    }
86
87    @Nullable
88    public CharSequence getQueueTitle() {
89        return mDelegate.getQueueTitle();
90    }
91
92    @Nullable
93    public Bundle getExtras() {
94        return mDelegate.getExtras();
95    }
96
97    public int getRatingType() {
98        return mDelegate.getRatingType();
99    }
100
101    public long getFlags() {
102        return mDelegate.getFlags();
103    }
104
105    @Nullable
106    public android.media.session.MediaController.PlaybackInfo getPlaybackInfo() {
107        return mDelegate.getPlaybackInfo();
108    }
109
110    @Nullable
111    public PendingIntent getSessionActivity() {
112        return mDelegate.getSessionActivity();
113    }
114
115    @NonNull
116    public MediaSession.Token getSessionToken() {
117        return mDelegate.getSessionToken();
118    }
119
120    public void setVolumeTo(int value, int flags) {
121        mDelegate.setVolumeTo(value, flags);
122    }
123
124    public void adjustVolume(int direction, int flags) {
125        mDelegate.adjustVolume(direction, flags);
126    }
127
128    public void registerCallback(@NonNull Callback callback) {
129        //TODO(apanicke): Add custom callback struct to be able to analyze and
130        // delegate callbacks
131        mDelegate.registerCallback(callback);
132    }
133
134    public void registerCallback(@NonNull Callback callback, @Nullable Handler handler) {
135        mDelegate.registerCallback(callback, handler);
136    }
137
138    public void unregisterCallback(@NonNull Callback callback) {
139        mDelegate.unregisterCallback(callback);
140    }
141
142    public void sendCommand(@NonNull String command, @Nullable Bundle args,
143            @Nullable ResultReceiver cb) {
144        mDelegate.sendCommand(command, args, cb);
145    }
146
147    public String getPackageName() {
148        return mDelegate.getPackageName();
149    }
150
151    public String getTag() {
152        return mDelegate.getTag();
153    }
154
155    public boolean controlsSameSession(MediaController other) {
156        return mDelegate.controlsSameSession(other.getWrappedInstance());
157    }
158
159    public boolean controlsSameSession(android.media.session.MediaController other) {
160        return mDelegate.controlsSameSession(other);
161    }
162
163    @Override
164    public boolean equals(Object o) {
165        if (o instanceof android.media.session.MediaController) {
166            return mDelegate.equals(o);
167        } else if (o instanceof MediaController) {
168            MediaController other = (MediaController) o;
169            return mDelegate.equals(other.mDelegate);
170        }
171        return false;
172    }
173
174    @Override
175    public String toString() {
176        MediaMetadata data = getMetadata();
177        MediaDescription desc = (data == null) ? null : data.getDescription();
178        return "MediaController (" + getPackageName() + "@" + Integer.toHexString(
179                mDelegate.hashCode()) + ") " + desc;
180    }
181
182    public abstract static class Callback extends android.media.session.MediaController.Callback {}
183
184    public class TransportControls {
185
186        public void prepare() {
187            mTransportDelegate.prepare();
188        }
189
190        public void prepareFromMediaId(String mediaId, Bundle extras) {
191            mTransportDelegate.prepareFromMediaId(mediaId, extras);
192        }
193
194        public void prepareFromSearch(String query, Bundle extras) {
195            mTransportDelegate.prepareFromSearch(query, extras);
196        }
197
198        public void prepareFromUri(Uri uri, Bundle extras) {
199            mTransportDelegate.prepareFromUri(uri, extras);
200        }
201
202        public void play() {
203            mTransportDelegate.play();
204        }
205
206        public void playFromMediaId(String mediaId, Bundle extras) {
207            mTransportDelegate.playFromMediaId(mediaId, extras);
208        }
209
210        public void playFromSearch(String query, Bundle extras) {
211            mTransportDelegate.playFromSearch(query, extras);
212        }
213
214        public void playFromUri(Uri uri, Bundle extras) {
215            mTransportDelegate.playFromUri(uri, extras);
216        }
217
218        public void skipToQueueItem(long id) {
219            mTransportDelegate.skipToQueueItem(id);
220        }
221
222        public void pause() {
223            mTransportDelegate.pause();
224        }
225
226        public void stop() {
227            mTransportDelegate.stop();
228        }
229
230        public void seekTo(long pos) {
231            mTransportDelegate.seekTo(pos);
232        }
233
234        public void fastForward() {
235            mTransportDelegate.fastForward();
236        }
237
238        public void skipToNext() {
239            mTransportDelegate.skipToNext();
240        }
241
242        public void rewind() {
243            mTransportDelegate.rewind();
244        }
245
246        public void skipToPrevious() {
247            mTransportDelegate.skipToPrevious();
248        }
249
250        public void setRating(Rating rating) {
251            mTransportDelegate.setRating(rating);
252        }
253
254        public void sendCustomAction(@NonNull PlaybackState.CustomAction customAction,
255                @Nullable Bundle args) {
256            mTransportDelegate.sendCustomAction(customAction, args);
257        }
258
259        public void sendCustomAction(@NonNull String action, @Nullable Bundle args) {
260            mTransportDelegate.sendCustomAction(action, args);
261        }
262    }
263}
264
265