Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 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.server.media; |
| 18 | |
| 19 | import static android.os.UserHandle.USER_ALL; |
| 20 | |
| 21 | import android.annotation.Nullable; |
| 22 | import android.app.ActivityManager; |
| 23 | import android.app.INotificationManager; |
| 24 | import android.app.KeyguardManager; |
| 25 | import android.app.PendingIntent; |
| 26 | import android.app.PendingIntent.CanceledException; |
| 27 | import android.content.ActivityNotFoundException; |
| 28 | import android.content.BroadcastReceiver; |
| 29 | import android.content.ComponentName; |
| 30 | import android.content.ContentResolver; |
| 31 | import android.content.Context; |
| 32 | import android.content.Intent; |
| 33 | import android.content.pm.ActivityInfo; |
| 34 | import android.content.pm.PackageManager; |
| 35 | import android.content.pm.PackageManager.NameNotFoundException; |
| 36 | import android.content.pm.ServiceInfo; |
| 37 | import android.content.pm.UserInfo; |
| 38 | import android.database.ContentObserver; |
| 39 | import android.media.AudioManager; |
| 40 | import android.media.AudioManagerInternal; |
| 41 | import android.media.AudioPlaybackConfiguration; |
| 42 | import android.media.AudioSystem; |
| 43 | import android.media.IAudioService; |
| 44 | import android.media.IRemoteVolumeController; |
Hyundo Moon | ff36c48 | 2019-01-31 02:28:20 +0000 | [diff] [blame] | 45 | import android.media.MediaController2; |
| 46 | import android.media.Session2CommandGroup; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 47 | import android.media.Session2Token; |
| 48 | import android.media.session.IActiveSessionsListener; |
| 49 | import android.media.session.ICallback; |
| 50 | import android.media.session.IOnMediaKeyListener; |
| 51 | import android.media.session.IOnVolumeKeyLongPressListener; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 52 | import android.media.session.ISession2TokensListener; |
| 53 | import android.media.session.ISessionManager; |
| 54 | import android.media.session.MediaSession; |
| 55 | import android.media.session.MediaSessionManager; |
| 56 | import android.media.session.SessionCallbackLink; |
Sungsoo Lim | 39d07a3 | 2019-01-20 13:02:01 +0900 | [diff] [blame] | 57 | import android.media.session.SessionLink; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 58 | import android.net.Uri; |
| 59 | import android.os.Binder; |
| 60 | import android.os.Bundle; |
| 61 | import android.os.Handler; |
Hyundo Moon | ff36c48 | 2019-01-31 02:28:20 +0000 | [diff] [blame] | 62 | import android.os.HandlerExecutor; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 63 | import android.os.IBinder; |
| 64 | import android.os.Message; |
| 65 | import android.os.PowerManager; |
| 66 | import android.os.Process; |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 67 | import android.os.RemoteCallbackList; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 68 | import android.os.RemoteException; |
| 69 | import android.os.ResultReceiver; |
| 70 | import android.os.ServiceManager; |
| 71 | import android.os.UserHandle; |
| 72 | import android.os.UserManager; |
| 73 | import android.provider.Settings; |
| 74 | import android.speech.RecognizerIntent; |
| 75 | import android.text.TextUtils; |
| 76 | import android.util.Log; |
| 77 | import android.util.Slog; |
| 78 | import android.util.SparseArray; |
| 79 | import android.util.SparseIntArray; |
| 80 | import android.view.KeyEvent; |
| 81 | import android.view.ViewConfiguration; |
| 82 | |
| 83 | import com.android.internal.annotations.GuardedBy; |
| 84 | import com.android.internal.util.DumpUtils; |
| 85 | import com.android.server.LocalServices; |
| 86 | |
| 87 | import java.io.FileDescriptor; |
| 88 | import java.io.PrintWriter; |
| 89 | import java.util.ArrayList; |
| 90 | import java.util.List; |
| 91 | |
| 92 | /** |
| 93 | * System implementation of MediaSessionManager |
| 94 | */ |
| 95 | public class MediaSessionServiceImpl extends MediaSessionService.ServiceImpl { |
| 96 | private static final String TAG = "MediaSessionService"; |
| 97 | static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| 98 | // Leave log for key event always. |
| 99 | private static final boolean DEBUG_KEY_EVENT = true; |
| 100 | |
| 101 | private static final int WAKELOCK_TIMEOUT = 5000; |
| 102 | private static final int MEDIA_KEY_LISTENER_TIMEOUT = 1000; |
| 103 | |
| 104 | private final Context mContext; |
| 105 | private final SessionManagerImpl mSessionManagerImpl; |
| 106 | private final MessageHandler mHandler = new MessageHandler(); |
| 107 | private final PowerManager.WakeLock mMediaEventWakeLock; |
| 108 | private final int mLongPressTimeout; |
| 109 | private final INotificationManager mNotificationManager; |
| 110 | private final Object mLock = new Object(); |
| 111 | // Keeps the full user id for each user. |
| 112 | @GuardedBy("mLock") |
| 113 | private final SparseIntArray mFullUserIds = new SparseIntArray(); |
| 114 | @GuardedBy("mLock") |
| 115 | private final SparseArray<FullUserRecord> mUserRecords = new SparseArray<FullUserRecord>(); |
| 116 | @GuardedBy("mLock") |
| 117 | private final ArrayList<SessionsListenerRecord> mSessionsListeners = |
| 118 | new ArrayList<SessionsListenerRecord>(); |
| 119 | // Map user id as index to list of Session2Tokens |
| 120 | // TODO: Keep session2 info in MediaSessionStack for prioritizing both session1 and session2 in |
| 121 | // one place. |
| 122 | @GuardedBy("mLock") |
| 123 | private final SparseArray<List<Session2Token>> mSession2TokensPerUser = new SparseArray<>(); |
| 124 | @GuardedBy("mLock") |
| 125 | private final List<Session2TokensListenerRecord> mSession2TokensListenerRecords = |
| 126 | new ArrayList<>(); |
| 127 | |
| 128 | private KeyguardManager mKeyguardManager; |
| 129 | private IAudioService mAudioService; |
| 130 | private AudioManagerInternal mAudioManagerInternal; |
| 131 | private ActivityManager mActivityManager; |
| 132 | private ContentResolver mContentResolver; |
| 133 | private SettingsObserver mSettingsObserver; |
| 134 | private boolean mHasFeatureLeanback; |
| 135 | |
| 136 | // The FullUserRecord of the current users. (i.e. The foreground user that isn't a profile) |
| 137 | // It's always not null after the MediaSessionService is started. |
| 138 | private FullUserRecord mCurrentFullUserRecord; |
| 139 | private MediaSessionRecord mGlobalPrioritySession; |
| 140 | private AudioPlayerStateMonitor mAudioPlayerStateMonitor; |
| 141 | |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 142 | // Used to notify System UI and Settings when remote volume was changed. |
| 143 | final RemoteCallbackList<IRemoteVolumeController> mRemoteVolumeControllers = |
| 144 | new RemoteCallbackList<>(); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 145 | |
| 146 | public MediaSessionServiceImpl(Context context) { |
| 147 | mContext = context; |
| 148 | mSessionManagerImpl = new SessionManagerImpl(); |
| 149 | PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); |
| 150 | mMediaEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleMediaEvent"); |
| 151 | mLongPressTimeout = ViewConfiguration.getLongPressTimeout(); |
| 152 | mNotificationManager = INotificationManager.Stub.asInterface( |
| 153 | ServiceManager.getService(Context.NOTIFICATION_SERVICE)); |
| 154 | } |
| 155 | |
| 156 | Context getContext() { |
| 157 | return mContext; |
| 158 | } |
| 159 | |
| 160 | IBinder getServiceBinder() { |
| 161 | return mSessionManagerImpl; |
| 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public void onStart() { |
| 166 | mKeyguardManager = (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); |
| 167 | mAudioService = getAudioService(); |
| 168 | mAudioManagerInternal = LocalServices.getService(AudioManagerInternal.class); |
| 169 | mActivityManager = |
| 170 | (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE); |
| 171 | mAudioPlayerStateMonitor = AudioPlayerStateMonitor.getInstance(); |
| 172 | mAudioPlayerStateMonitor.registerListener( |
| 173 | (config, isRemoved) -> { |
| 174 | if (isRemoved || !config.isActive() || config.getPlayerType() |
| 175 | == AudioPlaybackConfiguration.PLAYER_TYPE_JAM_SOUNDPOOL) { |
| 176 | return; |
| 177 | } |
| 178 | synchronized (mLock) { |
| 179 | FullUserRecord user = getFullUserRecordLocked( |
| 180 | UserHandle.getUserId(config.getClientUid())); |
| 181 | if (user != null) { |
| 182 | user.mPriorityStack.updateMediaButtonSessionIfNeeded(); |
| 183 | } |
| 184 | } |
| 185 | }, null /* handler */); |
| 186 | mAudioPlayerStateMonitor.registerSelfIntoAudioServiceIfNeeded(mAudioService); |
| 187 | mContentResolver = mContext.getContentResolver(); |
| 188 | mSettingsObserver = new SettingsObserver(); |
| 189 | mSettingsObserver.observe(); |
| 190 | mHasFeatureLeanback = mContext.getPackageManager().hasSystemFeature( |
| 191 | PackageManager.FEATURE_LEANBACK); |
| 192 | |
| 193 | updateUser(); |
| 194 | } |
| 195 | |
| 196 | private IAudioService getAudioService() { |
| 197 | IBinder b = ServiceManager.getService(Context.AUDIO_SERVICE); |
| 198 | return IAudioService.Stub.asInterface(b); |
| 199 | } |
| 200 | |
| 201 | private boolean isGlobalPriorityActiveLocked() { |
| 202 | return mGlobalPrioritySession != null && mGlobalPrioritySession.isActive(); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public void updateSession(MediaSessionRecord record) { |
| 207 | synchronized (mLock) { |
| 208 | FullUserRecord user = getFullUserRecordLocked(record.getUserId()); |
| 209 | if (user == null) { |
| 210 | Log.w(TAG, "Unknown session updated. Ignoring."); |
| 211 | return; |
| 212 | } |
| 213 | if ((record.getFlags() & MediaSession.FLAG_EXCLUSIVE_GLOBAL_PRIORITY) != 0) { |
| 214 | if (DEBUG_KEY_EVENT) { |
| 215 | Log.d(TAG, "Global priority session is updated, active=" + record.isActive()); |
| 216 | } |
| 217 | user.pushAddressedPlayerChangedLocked(); |
| 218 | } else { |
| 219 | if (!user.mPriorityStack.contains(record)) { |
| 220 | Log.w(TAG, "Unknown session updated. Ignoring."); |
| 221 | return; |
| 222 | } |
| 223 | user.mPriorityStack.onSessionStateChange(record); |
| 224 | } |
| 225 | mHandler.postSessionsChanged(record.getUserId()); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | @Override |
| 230 | public void setGlobalPrioritySession(MediaSessionRecord record) { |
| 231 | synchronized (mLock) { |
| 232 | FullUserRecord user = getFullUserRecordLocked(record.getUserId()); |
| 233 | if (mGlobalPrioritySession != record) { |
| 234 | Log.d(TAG, "Global priority session is changed from " + mGlobalPrioritySession |
| 235 | + " to " + record); |
| 236 | mGlobalPrioritySession = record; |
| 237 | if (user != null && user.mPriorityStack.contains(record)) { |
| 238 | // Handle the global priority session separately. |
| 239 | // Otherwise, it can be the media button session regardless of the active state |
| 240 | // because it or other system components might have been the lastly played media |
| 241 | // app. |
| 242 | user.mPriorityStack.removeSession(record); |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | private List<MediaSessionRecord> getActiveSessionsLocked(int userId) { |
| 249 | List<MediaSessionRecord> records = new ArrayList<>(); |
| 250 | if (userId == USER_ALL) { |
| 251 | int size = mUserRecords.size(); |
| 252 | for (int i = 0; i < size; i++) { |
| 253 | records.addAll(mUserRecords.valueAt(i).mPriorityStack.getActiveSessions(userId)); |
| 254 | } |
| 255 | } else { |
| 256 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 257 | if (user == null) { |
| 258 | Log.w(TAG, "getSessions failed. Unknown user " + userId); |
| 259 | return records; |
| 260 | } |
| 261 | records.addAll(user.mPriorityStack.getActiveSessions(userId)); |
| 262 | } |
| 263 | |
| 264 | // Return global priority session at the first whenever it's asked. |
| 265 | if (isGlobalPriorityActiveLocked() |
| 266 | && (userId == USER_ALL || userId == mGlobalPrioritySession.getUserId())) { |
| 267 | records.add(0, mGlobalPrioritySession); |
| 268 | } |
| 269 | return records; |
| 270 | } |
| 271 | |
| 272 | List<Session2Token> getSession2TokensLocked(int userId) { |
| 273 | List<Session2Token> list = new ArrayList<>(); |
| 274 | if (userId == USER_ALL) { |
| 275 | for (int i = 0; i < mSession2TokensPerUser.size(); i++) { |
| 276 | list.addAll(mSession2TokensPerUser.valueAt(i)); |
| 277 | } |
| 278 | } else { |
| 279 | list.addAll(mSession2TokensPerUser.get(userId)); |
| 280 | } |
| 281 | return list; |
| 282 | } |
| 283 | |
| 284 | /** |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 285 | * Tells the System UI and Settings app that volume has changed on an active remote session. |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 286 | */ |
| 287 | public void notifyRemoteVolumeChanged(int flags, MediaSessionRecord session) { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 288 | if (!session.isActive()) { |
| 289 | return; |
| 290 | } |
| 291 | int size = mRemoteVolumeControllers.beginBroadcast(); |
| 292 | MediaSession.Token token = session.getSessionToken(); |
| 293 | for (int i = size - 1; i >= 0; i--) { |
Jaewan Kim | 32e9055 | 2019-02-12 23:06:46 +0900 | [diff] [blame] | 294 | try { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 295 | IRemoteVolumeController cb = mRemoteVolumeControllers.getBroadcastItem(i); |
| 296 | cb.remoteVolumeChanged(token, flags); |
Jaewan Kim | 32e9055 | 2019-02-12 23:06:46 +0900 | [diff] [blame] | 297 | } catch (Exception e) { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 298 | Log.w(TAG, "Error sending volume change.", e); |
Jaewan Kim | 32e9055 | 2019-02-12 23:06:46 +0900 | [diff] [blame] | 299 | } |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 300 | } |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 301 | mRemoteVolumeControllers.finishBroadcast(); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | @Override |
| 305 | public void onSessionPlaystateChanged(MediaSessionRecord record, int oldState, int newState) { |
| 306 | synchronized (mLock) { |
| 307 | FullUserRecord user = getFullUserRecordLocked(record.getUserId()); |
| 308 | if (user == null || !user.mPriorityStack.contains(record)) { |
| 309 | Log.d(TAG, "Unknown session changed playback state. Ignoring."); |
| 310 | return; |
| 311 | } |
| 312 | user.mPriorityStack.onPlaystateChanged(record, oldState, newState); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | @Override |
| 317 | public void onSessionPlaybackTypeChanged(MediaSessionRecord record) { |
| 318 | synchronized (mLock) { |
| 319 | FullUserRecord user = getFullUserRecordLocked(record.getUserId()); |
| 320 | if (user == null || !user.mPriorityStack.contains(record)) { |
| 321 | Log.d(TAG, "Unknown session changed playback type. Ignoring."); |
| 322 | return; |
| 323 | } |
| 324 | pushRemoteVolumeUpdateLocked(record.getUserId()); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | @Override |
| 329 | public void onStartUser(int userId) { |
| 330 | if (DEBUG) Log.d(TAG, "onStartUser: " + userId); |
| 331 | updateUser(); |
| 332 | } |
| 333 | |
| 334 | @Override |
| 335 | public void onSwitchUser(int userId) { |
| 336 | if (DEBUG) Log.d(TAG, "onSwitchUser: " + userId); |
| 337 | updateUser(); |
| 338 | } |
| 339 | |
| 340 | // Called when the user with the userId is removed. |
| 341 | @Override |
| 342 | public void onStopUser(int userId) { |
| 343 | if (DEBUG) Log.d(TAG, "onStopUser: " + userId); |
| 344 | synchronized (mLock) { |
| 345 | // TODO: Also handle removing user in updateUser() because adding/switching user is |
| 346 | // handled in updateUser(). |
| 347 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 348 | if (user != null) { |
| 349 | if (user.mFullUserId == userId) { |
| 350 | user.destroySessionsForUserLocked(USER_ALL); |
| 351 | mUserRecords.remove(userId); |
| 352 | } else { |
| 353 | user.destroySessionsForUserLocked(userId); |
| 354 | } |
| 355 | } |
| 356 | mSession2TokensPerUser.remove(userId); |
| 357 | updateUser(); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | @Override |
| 362 | public void monitor() { |
| 363 | synchronized (mLock) { |
| 364 | // Check for deadlock |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | protected void enforcePhoneStatePermission(int pid, int uid) { |
| 369 | if (mContext.checkPermission(android.Manifest.permission.MODIFY_PHONE_STATE, pid, uid) |
| 370 | != PackageManager.PERMISSION_GRANTED) { |
| 371 | throw new SecurityException("Must hold the MODIFY_PHONE_STATE permission."); |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | void sessionDied(MediaSessionRecord session) { |
| 376 | synchronized (mLock) { |
| 377 | destroySessionLocked(session); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | void destroySession(MediaSessionRecord session) { |
| 382 | synchronized (mLock) { |
| 383 | destroySessionLocked(session); |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | private void updateUser() { |
| 388 | synchronized (mLock) { |
| 389 | UserManager manager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
| 390 | mFullUserIds.clear(); |
| 391 | List<UserInfo> allUsers = manager.getUsers(); |
| 392 | if (allUsers != null) { |
| 393 | for (UserInfo userInfo : allUsers) { |
| 394 | if (userInfo.isManagedProfile()) { |
| 395 | mFullUserIds.put(userInfo.id, userInfo.profileGroupId); |
| 396 | } else { |
| 397 | mFullUserIds.put(userInfo.id, userInfo.id); |
| 398 | if (mUserRecords.get(userInfo.id) == null) { |
| 399 | mUserRecords.put(userInfo.id, new FullUserRecord(userInfo.id)); |
| 400 | } |
| 401 | } |
| 402 | if (mSession2TokensPerUser.get(userInfo.id) == null) { |
| 403 | mSession2TokensPerUser.put(userInfo.id, new ArrayList<>()); |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | // Ensure that the current full user exists. |
| 408 | int currentFullUserId = ActivityManager.getCurrentUser(); |
| 409 | mCurrentFullUserRecord = mUserRecords.get(currentFullUserId); |
| 410 | if (mCurrentFullUserRecord == null) { |
| 411 | Log.w(TAG, "Cannot find FullUserInfo for the current user " + currentFullUserId); |
| 412 | mCurrentFullUserRecord = new FullUserRecord(currentFullUserId); |
| 413 | mUserRecords.put(currentFullUserId, mCurrentFullUserRecord); |
| 414 | if (mSession2TokensPerUser.get(currentFullUserId) == null) { |
| 415 | mSession2TokensPerUser.put(currentFullUserId, new ArrayList<>()); |
| 416 | } |
| 417 | } |
| 418 | mFullUserIds.put(currentFullUserId, currentFullUserId); |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | private void updateActiveSessionListeners() { |
| 423 | synchronized (mLock) { |
| 424 | for (int i = mSessionsListeners.size() - 1; i >= 0; i--) { |
| 425 | SessionsListenerRecord listener = mSessionsListeners.get(i); |
| 426 | try { |
| 427 | enforceMediaPermissions(listener.componentName, listener.pid, listener.uid, |
| 428 | listener.userId); |
| 429 | } catch (SecurityException e) { |
| 430 | Log.i(TAG, "ActiveSessionsListener " + listener.componentName |
| 431 | + " is no longer authorized. Disconnecting."); |
| 432 | mSessionsListeners.remove(i); |
| 433 | try { |
| 434 | listener.listener |
| 435 | .onActiveSessionsChanged(new ArrayList<MediaSession.Token>()); |
| 436 | } catch (Exception e1) { |
| 437 | // ignore |
| 438 | } |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | /* |
| 445 | * When a session is removed several things need to happen. |
| 446 | * 1. We need to remove it from the relevant user. |
| 447 | * 2. We need to remove it from the priority stack. |
| 448 | * 3. We need to remove it from all sessions. |
| 449 | * 4. If this is the system priority session we need to clear it. |
| 450 | * 5. We need to unlink to death from the cb binder |
| 451 | * 6. We need to tell the session to do any final cleanup (onDestroy) |
| 452 | */ |
| 453 | private void destroySessionLocked(MediaSessionRecord session) { |
| 454 | if (DEBUG) { |
| 455 | Log.d(TAG, "Destroying " + session); |
| 456 | } |
| 457 | FullUserRecord user = getFullUserRecordLocked(session.getUserId()); |
| 458 | if (mGlobalPrioritySession == session) { |
| 459 | mGlobalPrioritySession = null; |
| 460 | if (session.isActive() && user != null) { |
| 461 | user.pushAddressedPlayerChangedLocked(); |
| 462 | } |
| 463 | } else { |
| 464 | if (user != null) { |
| 465 | user.mPriorityStack.removeSession(session); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | try { |
| 470 | session.getCallback().getBinder().unlinkToDeath(session, 0); |
| 471 | } catch (Exception e) { |
| 472 | // ignore exceptions while destroying a session. |
| 473 | } |
| 474 | session.onDestroy(); |
| 475 | mHandler.postSessionsChanged(session.getUserId()); |
| 476 | } |
| 477 | |
| 478 | private void enforcePackageName(String packageName, int uid) { |
| 479 | if (TextUtils.isEmpty(packageName)) { |
| 480 | throw new IllegalArgumentException("packageName may not be empty"); |
| 481 | } |
| 482 | String[] packages = mContext.getPackageManager().getPackagesForUid(uid); |
| 483 | final int packageCount = packages.length; |
| 484 | for (int i = 0; i < packageCount; i++) { |
| 485 | if (packageName.equals(packages[i])) { |
| 486 | return; |
| 487 | } |
| 488 | } |
| 489 | throw new IllegalArgumentException("packageName is not owned by the calling process"); |
| 490 | } |
| 491 | |
| 492 | /** |
| 493 | * Checks a caller's authorization to register an IRemoteControlDisplay. |
| 494 | * Authorization is granted if one of the following is true: |
| 495 | * <ul> |
| 496 | * <li>the caller has android.Manifest.permission.MEDIA_CONTENT_CONTROL |
| 497 | * permission</li> |
| 498 | * <li>the caller's listener is one of the enabled notification listeners |
| 499 | * for the caller's user</li> |
| 500 | * </ul> |
| 501 | */ |
| 502 | private void enforceMediaPermissions(ComponentName compName, int pid, int uid, |
| 503 | int resolvedUserId) { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 504 | if (hasStatusBarServicePermission(pid, uid)) return; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 505 | if (mContext |
| 506 | .checkPermission(android.Manifest.permission.MEDIA_CONTENT_CONTROL, pid, uid) |
| 507 | != PackageManager.PERMISSION_GRANTED |
| 508 | && !isEnabledNotificationListener(compName, UserHandle.getUserId(uid), |
| 509 | resolvedUserId)) { |
| 510 | throw new SecurityException("Missing permission to control media."); |
| 511 | } |
| 512 | } |
| 513 | |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 514 | private boolean hasStatusBarServicePermission(int pid, int uid) { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 515 | return mContext.checkPermission(android.Manifest.permission.STATUS_BAR_SERVICE, |
| 516 | pid, uid) == PackageManager.PERMISSION_GRANTED; |
| 517 | } |
| 518 | |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 519 | private void enforceStatusBarServicePermission(String action, int pid, int uid) { |
| 520 | if (!hasStatusBarServicePermission(pid, uid)) { |
| 521 | throw new SecurityException("Only System UI and Settings may " + action); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | |
| 525 | /** |
| 526 | * This checks if the component is an enabled notification listener for the |
| 527 | * specified user. Enabled components may only operate on behalf of the user |
| 528 | * they're running as. |
| 529 | * |
| 530 | * @param compName The component that is enabled. |
| 531 | * @param userId The user id of the caller. |
| 532 | * @param forUserId The user id they're making the request on behalf of. |
| 533 | * @return True if the component is enabled, false otherwise |
| 534 | */ |
| 535 | private boolean isEnabledNotificationListener(ComponentName compName, int userId, |
| 536 | int forUserId) { |
| 537 | if (userId != forUserId) { |
| 538 | // You may not access another user's content as an enabled listener. |
| 539 | return false; |
| 540 | } |
| 541 | if (DEBUG) { |
| 542 | Log.d(TAG, "Checking if enabled notification listener " + compName); |
| 543 | } |
| 544 | if (compName != null) { |
| 545 | try { |
| 546 | return mNotificationManager.isNotificationListenerAccessGrantedForUser( |
| 547 | compName, userId); |
| 548 | } catch (RemoteException e) { |
| 549 | Log.w(TAG, "Dead NotificationManager in isEnabledNotificationListener", e); |
| 550 | } |
| 551 | } |
| 552 | return false; |
| 553 | } |
| 554 | |
| 555 | private MediaSessionRecord createSessionInternal(int callerPid, int callerUid, int userId, |
Hyundo Moon | 5fc8db0 | 2019-02-20 15:51:56 +0900 | [diff] [blame] | 556 | String callerPackageName, SessionCallbackLink cb, String tag, Bundle sessionInfo) |
| 557 | throws RemoteException { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 558 | synchronized (mLock) { |
Hyundo Moon | 5fc8db0 | 2019-02-20 15:51:56 +0900 | [diff] [blame] | 559 | return createSessionLocked(callerPid, callerUid, userId, callerPackageName, cb, |
| 560 | tag, sessionInfo); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 561 | } |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | * When a session is created the following things need to happen. |
| 566 | * 1. Its callback binder needs a link to death |
| 567 | * 2. It needs to be added to all sessions. |
| 568 | * 3. It needs to be added to the priority stack. |
| 569 | * 4. It needs to be added to the relevant user record. |
| 570 | */ |
| 571 | private MediaSessionRecord createSessionLocked(int callerPid, int callerUid, int userId, |
Hyundo Moon | 5fc8db0 | 2019-02-20 15:51:56 +0900 | [diff] [blame] | 572 | String callerPackageName, SessionCallbackLink cb, String tag, Bundle sessionInfo) { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 573 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 574 | if (user == null) { |
Jaewan Kim | 32e9055 | 2019-02-12 23:06:46 +0900 | [diff] [blame] | 575 | Log.w(TAG, "Request from invalid user: " + userId + ", pkg=" + callerPackageName); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 576 | throw new RuntimeException("Session request from invalid user."); |
| 577 | } |
| 578 | |
| 579 | final MediaSessionRecord session = new MediaSessionRecord(callerPid, callerUid, userId, |
Hyundo Moon | 5fc8db0 | 2019-02-20 15:51:56 +0900 | [diff] [blame] | 580 | callerPackageName, cb, tag, sessionInfo, this, mHandler.getLooper()); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 581 | try { |
| 582 | cb.getBinder().linkToDeath(session, 0); |
| 583 | } catch (RemoteException e) { |
| 584 | throw new RuntimeException("Media Session owner died prematurely.", e); |
| 585 | } |
| 586 | |
| 587 | user.mPriorityStack.addSession(session); |
| 588 | mHandler.postSessionsChanged(userId); |
| 589 | |
| 590 | if (DEBUG) { |
| 591 | Log.d(TAG, "Created session for " + callerPackageName + " with tag " + tag); |
| 592 | } |
| 593 | return session; |
| 594 | } |
| 595 | |
| 596 | private int findIndexOfSessionsListenerLocked(IActiveSessionsListener listener) { |
| 597 | for (int i = mSessionsListeners.size() - 1; i >= 0; i--) { |
| 598 | if (mSessionsListeners.get(i).listener.asBinder() == listener.asBinder()) { |
| 599 | return i; |
| 600 | } |
| 601 | } |
| 602 | return -1; |
| 603 | } |
| 604 | |
| 605 | private int findIndexOfSession2TokensListenerLocked(ISession2TokensListener listener) { |
| 606 | for (int i = mSession2TokensListenerRecords.size() - 1; i >= 0; i--) { |
| 607 | if (mSession2TokensListenerRecords.get(i).listener.asBinder() == listener.asBinder()) { |
| 608 | return i; |
| 609 | } |
| 610 | } |
| 611 | return -1; |
| 612 | } |
| 613 | |
| 614 | |
| 615 | private void pushSessionsChanged(int userId) { |
| 616 | synchronized (mLock) { |
| 617 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 618 | if (user == null) { |
| 619 | Log.w(TAG, "pushSessionsChanged failed. No user with id=" + userId); |
| 620 | return; |
| 621 | } |
| 622 | List<MediaSessionRecord> records = getActiveSessionsLocked(userId); |
| 623 | int size = records.size(); |
| 624 | ArrayList<MediaSession.Token> tokens = new ArrayList<MediaSession.Token>(); |
| 625 | for (int i = 0; i < size; i++) { |
Sungsoo Lim | af7d46c | 2019-01-20 10:45:54 +0900 | [diff] [blame] | 626 | tokens.add(records.get(i).getSessionToken()); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 627 | } |
| 628 | pushRemoteVolumeUpdateLocked(userId); |
| 629 | for (int i = mSessionsListeners.size() - 1; i >= 0; i--) { |
| 630 | SessionsListenerRecord record = mSessionsListeners.get(i); |
| 631 | if (record.userId == USER_ALL || record.userId == userId) { |
| 632 | try { |
| 633 | record.listener.onActiveSessionsChanged(tokens); |
| 634 | } catch (RemoteException e) { |
| 635 | Log.w(TAG, "Dead ActiveSessionsListener in pushSessionsChanged, removing", |
| 636 | e); |
| 637 | mSessionsListeners.remove(i); |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | private void pushRemoteVolumeUpdateLocked(int userId) { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 645 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 646 | if (user == null) { |
| 647 | Log.w(TAG, "pushRemoteVolumeUpdateLocked failed. No user with id=" + userId); |
| 648 | return; |
| 649 | } |
| 650 | |
| 651 | int size = mRemoteVolumeControllers.beginBroadcast(); |
| 652 | MediaSessionRecord record = user.mPriorityStack.getDefaultRemoteSession(userId); |
| 653 | MediaSession.Token token = record == null ? null : record.getSessionToken(); |
| 654 | |
| 655 | for (int i = size - 1; i >= 0; i--) { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 656 | try { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 657 | IRemoteVolumeController cb = mRemoteVolumeControllers.getBroadcastItem(i); |
| 658 | cb.updateRemoteController(token); |
| 659 | } catch (Exception e) { |
| 660 | Log.w(TAG, "Error sending default remote volume.", e); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 661 | } |
| 662 | } |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 663 | mRemoteVolumeControllers.finishBroadcast(); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | void pushSession2TokensChangedLocked(int userId) { |
| 667 | List<Session2Token> allSession2Tokens = getSession2TokensLocked(USER_ALL); |
| 668 | List<Session2Token> session2Tokens = getSession2TokensLocked(userId); |
| 669 | |
| 670 | for (int i = mSession2TokensListenerRecords.size() - 1; i >= 0; i--) { |
| 671 | Session2TokensListenerRecord listenerRecord = mSession2TokensListenerRecords.get(i); |
| 672 | try { |
| 673 | if (listenerRecord.userId == USER_ALL) { |
| 674 | listenerRecord.listener.onSession2TokensChanged(allSession2Tokens); |
| 675 | } else if (listenerRecord.userId == userId) { |
| 676 | listenerRecord.listener.onSession2TokensChanged(session2Tokens); |
| 677 | } |
| 678 | } catch (RemoteException e) { |
| 679 | Log.w(TAG, "Failed to notify Session2Token change. Removing listener.", e); |
| 680 | mSession2TokensListenerRecords.remove(i); |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | /** |
| 686 | * Called when the media button receiver for the {@code record} is changed. |
| 687 | * |
| 688 | * @param record the media session whose media button receiver is updated. |
| 689 | */ |
| 690 | public void onMediaButtonReceiverChanged(MediaSessionRecord record) { |
| 691 | synchronized (mLock) { |
| 692 | FullUserRecord user = getFullUserRecordLocked(record.getUserId()); |
| 693 | MediaSessionRecord mediaButtonSession = |
| 694 | user.mPriorityStack.getMediaButtonSession(); |
| 695 | if (record == mediaButtonSession) { |
| 696 | user.rememberMediaButtonReceiverLocked(mediaButtonSession); |
| 697 | } |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | private String getCallingPackageName(int uid) { |
| 702 | String[] packages = mContext.getPackageManager().getPackagesForUid(uid); |
| 703 | if (packages != null && packages.length > 0) { |
| 704 | return packages[0]; |
| 705 | } |
| 706 | return ""; |
| 707 | } |
| 708 | |
| 709 | private void dispatchVolumeKeyLongPressLocked(KeyEvent keyEvent) { |
| 710 | if (mCurrentFullUserRecord.mOnVolumeKeyLongPressListener == null) { |
| 711 | return; |
| 712 | } |
| 713 | try { |
| 714 | mCurrentFullUserRecord.mOnVolumeKeyLongPressListener.onVolumeKeyLongPress(keyEvent); |
| 715 | } catch (RemoteException e) { |
| 716 | Log.w(TAG, "Failed to send " + keyEvent + " to volume key long-press listener"); |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | private FullUserRecord getFullUserRecordLocked(int userId) { |
| 721 | int fullUserId = mFullUserIds.get(userId, -1); |
| 722 | if (fullUserId < 0) { |
| 723 | return null; |
| 724 | } |
| 725 | return mUserRecords.get(fullUserId); |
| 726 | } |
| 727 | |
Jaewan Kim | 8be71c0 | 2019-01-29 01:22:13 +0900 | [diff] [blame] | 728 | private MediaSessionRecord getMediaSessionRecordLocked(MediaSession.Token sessionToken) { |
| 729 | FullUserRecord user = getFullUserRecordLocked(UserHandle.getUserId(sessionToken.getUid())); |
| 730 | if (user != null) { |
| 731 | return user.mPriorityStack.getMediaSessionRecord(sessionToken); |
| 732 | } |
| 733 | return null; |
| 734 | } |
| 735 | |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 736 | /** |
| 737 | * Information about a full user and its corresponding managed profiles. |
| 738 | * |
| 739 | * <p>Since the full user runs together with its managed profiles, a user wouldn't differentiate |
| 740 | * them when he/she presses a media/volume button. So keeping media sessions for them in one |
| 741 | * place makes more sense and increases the readability.</p> |
| 742 | * <p>The contents of this object is guarded by {@link #mLock}. |
| 743 | */ |
| 744 | final class FullUserRecord implements MediaSessionStack.OnMediaButtonSessionChangedListener { |
| 745 | public static final int COMPONENT_TYPE_INVALID = 0; |
| 746 | public static final int COMPONENT_TYPE_BROADCAST = 1; |
| 747 | public static final int COMPONENT_TYPE_ACTIVITY = 2; |
| 748 | public static final int COMPONENT_TYPE_SERVICE = 3; |
| 749 | private static final String COMPONENT_NAME_USER_ID_DELIM = ","; |
| 750 | |
| 751 | private final int mFullUserId; |
| 752 | private final MediaSessionStack mPriorityStack; |
| 753 | private PendingIntent mLastMediaButtonReceiver; |
| 754 | private ComponentName mRestoredMediaButtonReceiver; |
| 755 | private int mRestoredMediaButtonReceiverComponentType; |
| 756 | private int mRestoredMediaButtonReceiverUserId; |
| 757 | |
| 758 | private IOnVolumeKeyLongPressListener mOnVolumeKeyLongPressListener; |
| 759 | private int mOnVolumeKeyLongPressListenerUid; |
| 760 | private KeyEvent mInitialDownVolumeKeyEvent; |
| 761 | private int mInitialDownVolumeStream; |
| 762 | private boolean mInitialDownMusicOnly; |
| 763 | |
| 764 | private IOnMediaKeyListener mOnMediaKeyListener; |
| 765 | private int mOnMediaKeyListenerUid; |
| 766 | private ICallback mCallback; |
| 767 | |
| 768 | FullUserRecord(int fullUserId) { |
| 769 | mFullUserId = fullUserId; |
| 770 | mPriorityStack = new MediaSessionStack(mAudioPlayerStateMonitor, this); |
| 771 | // Restore the remembered media button receiver before the boot. |
| 772 | String mediaButtonReceiverInfo = Settings.Secure.getStringForUser(mContentResolver, |
| 773 | Settings.System.MEDIA_BUTTON_RECEIVER, mFullUserId); |
| 774 | if (mediaButtonReceiverInfo == null) { |
| 775 | return; |
| 776 | } |
| 777 | String[] tokens = mediaButtonReceiverInfo.split(COMPONENT_NAME_USER_ID_DELIM); |
| 778 | if (tokens == null || (tokens.length != 2 && tokens.length != 3)) { |
| 779 | return; |
| 780 | } |
| 781 | mRestoredMediaButtonReceiver = ComponentName.unflattenFromString(tokens[0]); |
| 782 | mRestoredMediaButtonReceiverUserId = Integer.parseInt(tokens[1]); |
| 783 | if (tokens.length == 3) { |
| 784 | mRestoredMediaButtonReceiverComponentType = Integer.parseInt(tokens[2]); |
| 785 | } else { |
| 786 | mRestoredMediaButtonReceiverComponentType = |
| 787 | getComponentType(mRestoredMediaButtonReceiver); |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | public void destroySessionsForUserLocked(int userId) { |
| 792 | List<MediaSessionRecord> sessions = mPriorityStack.getPriorityList(false, userId); |
| 793 | for (MediaSessionRecord session : sessions) { |
| 794 | MediaSessionServiceImpl.this.destroySessionLocked(session); |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | public void dumpLocked(PrintWriter pw, String prefix) { |
| 799 | pw.print(prefix + "Record for full_user=" + mFullUserId); |
| 800 | // Dump managed profile user ids associated with this user. |
| 801 | int size = mFullUserIds.size(); |
| 802 | for (int i = 0; i < size; i++) { |
| 803 | if (mFullUserIds.keyAt(i) != mFullUserIds.valueAt(i) |
| 804 | && mFullUserIds.valueAt(i) == mFullUserId) { |
| 805 | pw.print(", profile_user=" + mFullUserIds.keyAt(i)); |
| 806 | } |
| 807 | } |
| 808 | pw.println(); |
| 809 | String indent = prefix + " "; |
| 810 | pw.println(indent + "Volume key long-press listener: " + mOnVolumeKeyLongPressListener); |
| 811 | pw.println(indent + "Volume key long-press listener package: " |
| 812 | + getCallingPackageName(mOnVolumeKeyLongPressListenerUid)); |
| 813 | pw.println(indent + "Media key listener: " + mOnMediaKeyListener); |
| 814 | pw.println(indent + "Media key listener package: " |
| 815 | + getCallingPackageName(mOnMediaKeyListenerUid)); |
| 816 | pw.println(indent + "Callback: " + mCallback); |
| 817 | pw.println(indent + "Last MediaButtonReceiver: " + mLastMediaButtonReceiver); |
| 818 | pw.println(indent + "Restored MediaButtonReceiver: " + mRestoredMediaButtonReceiver); |
| 819 | pw.println(indent + "Restored MediaButtonReceiverComponentType: " |
| 820 | + mRestoredMediaButtonReceiverComponentType); |
| 821 | mPriorityStack.dump(pw, indent); |
| 822 | pw.println(indent + "Session2Tokens:"); |
| 823 | for (int i = 0; i < mSession2TokensPerUser.size(); i++) { |
| 824 | List<Session2Token> list = mSession2TokensPerUser.valueAt(i); |
| 825 | if (list == null || list.size() == 0) { |
| 826 | continue; |
| 827 | } |
| 828 | for (Session2Token token : list) { |
| 829 | pw.println(indent + " " + token); |
| 830 | } |
| 831 | } |
| 832 | } |
| 833 | |
| 834 | @Override |
| 835 | public void onMediaButtonSessionChanged(MediaSessionRecord oldMediaButtonSession, |
| 836 | MediaSessionRecord newMediaButtonSession) { |
| 837 | if (DEBUG_KEY_EVENT) { |
| 838 | Log.d(TAG, "Media button session is changed to " + newMediaButtonSession); |
| 839 | } |
| 840 | synchronized (mLock) { |
| 841 | if (oldMediaButtonSession != null) { |
| 842 | mHandler.postSessionsChanged(oldMediaButtonSession.getUserId()); |
| 843 | } |
| 844 | if (newMediaButtonSession != null) { |
| 845 | rememberMediaButtonReceiverLocked(newMediaButtonSession); |
| 846 | mHandler.postSessionsChanged(newMediaButtonSession.getUserId()); |
| 847 | } |
| 848 | pushAddressedPlayerChangedLocked(); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | // Remember media button receiver and keep it in the persistent storage. |
| 853 | public void rememberMediaButtonReceiverLocked(MediaSessionRecord record) { |
| 854 | PendingIntent receiver = record.getMediaButtonReceiver(); |
| 855 | mLastMediaButtonReceiver = receiver; |
| 856 | mRestoredMediaButtonReceiver = null; |
| 857 | mRestoredMediaButtonReceiverComponentType = COMPONENT_TYPE_INVALID; |
| 858 | |
| 859 | String mediaButtonReceiverInfo = ""; |
| 860 | if (receiver != null) { |
| 861 | ComponentName component = receiver.getIntent().getComponent(); |
| 862 | if (component != null |
| 863 | && record.getPackageName().equals(component.getPackageName())) { |
| 864 | String componentName = component.flattenToString(); |
| 865 | int componentType = getComponentType(component); |
| 866 | mediaButtonReceiverInfo = String.join(COMPONENT_NAME_USER_ID_DELIM, |
| 867 | componentName, String.valueOf(record.getUserId()), |
| 868 | String.valueOf(componentType)); |
| 869 | } |
| 870 | } |
| 871 | Settings.Secure.putStringForUser(mContentResolver, |
| 872 | Settings.System.MEDIA_BUTTON_RECEIVER, mediaButtonReceiverInfo, |
| 873 | mFullUserId); |
| 874 | } |
| 875 | |
| 876 | private void pushAddressedPlayerChangedLocked() { |
| 877 | if (mCallback == null) { |
| 878 | return; |
| 879 | } |
| 880 | try { |
| 881 | MediaSessionRecord mediaButtonSession = getMediaButtonSessionLocked(); |
| 882 | if (mediaButtonSession != null) { |
| 883 | mCallback.onAddressedPlayerChangedToMediaSession( |
Sungsoo Lim | af7d46c | 2019-01-20 10:45:54 +0900 | [diff] [blame] | 884 | mediaButtonSession.getSessionToken()); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 885 | } else if (mCurrentFullUserRecord.mLastMediaButtonReceiver != null) { |
| 886 | mCallback.onAddressedPlayerChangedToMediaButtonReceiver( |
| 887 | mCurrentFullUserRecord.mLastMediaButtonReceiver |
| 888 | .getIntent().getComponent()); |
| 889 | } else if (mCurrentFullUserRecord.mRestoredMediaButtonReceiver != null) { |
| 890 | mCallback.onAddressedPlayerChangedToMediaButtonReceiver( |
| 891 | mCurrentFullUserRecord.mRestoredMediaButtonReceiver); |
| 892 | } |
| 893 | } catch (RemoteException e) { |
| 894 | Log.w(TAG, "Failed to pushAddressedPlayerChangedLocked", e); |
| 895 | } |
| 896 | } |
| 897 | |
| 898 | private MediaSessionRecord getMediaButtonSessionLocked() { |
| 899 | return isGlobalPriorityActiveLocked() |
| 900 | ? mGlobalPrioritySession : mPriorityStack.getMediaButtonSession(); |
| 901 | } |
| 902 | |
| 903 | private int getComponentType(@Nullable ComponentName componentName) { |
| 904 | if (componentName == null) { |
| 905 | return COMPONENT_TYPE_INVALID; |
| 906 | } |
| 907 | PackageManager pm = mContext.getPackageManager(); |
| 908 | try { |
| 909 | ActivityInfo activityInfo = pm.getActivityInfo(componentName, |
| 910 | PackageManager.MATCH_DIRECT_BOOT_AWARE |
| 911 | | PackageManager.MATCH_DIRECT_BOOT_UNAWARE |
| 912 | | PackageManager.GET_ACTIVITIES); |
| 913 | if (activityInfo != null) { |
| 914 | return COMPONENT_TYPE_ACTIVITY; |
| 915 | } |
| 916 | } catch (NameNotFoundException e) { |
| 917 | } |
| 918 | try { |
| 919 | ServiceInfo serviceInfo = pm.getServiceInfo(componentName, |
| 920 | PackageManager.MATCH_DIRECT_BOOT_AWARE |
| 921 | | PackageManager.MATCH_DIRECT_BOOT_UNAWARE |
| 922 | | PackageManager.GET_SERVICES); |
| 923 | if (serviceInfo != null) { |
| 924 | return COMPONENT_TYPE_SERVICE; |
| 925 | } |
| 926 | } catch (NameNotFoundException e) { |
| 927 | } |
| 928 | // Pick legacy behavior for BroadcastReceiver or unknown. |
| 929 | return COMPONENT_TYPE_BROADCAST; |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | final class SessionsListenerRecord implements IBinder.DeathRecipient { |
| 934 | public final IActiveSessionsListener listener; |
| 935 | public final ComponentName componentName; |
| 936 | public final int userId; |
| 937 | public final int pid; |
| 938 | public final int uid; |
| 939 | |
| 940 | SessionsListenerRecord(IActiveSessionsListener listener, |
| 941 | ComponentName componentName, |
| 942 | int userId, int pid, int uid) { |
| 943 | this.listener = listener; |
| 944 | this.componentName = componentName; |
| 945 | this.userId = userId; |
| 946 | this.pid = pid; |
| 947 | this.uid = uid; |
| 948 | } |
| 949 | |
| 950 | @Override |
| 951 | public void binderDied() { |
| 952 | synchronized (mLock) { |
| 953 | mSessionsListeners.remove(this); |
| 954 | } |
| 955 | } |
| 956 | } |
| 957 | |
| 958 | final class Session2TokensListenerRecord implements IBinder.DeathRecipient { |
| 959 | public final ISession2TokensListener listener; |
| 960 | public final int userId; |
| 961 | |
| 962 | Session2TokensListenerRecord(ISession2TokensListener listener, |
| 963 | int userId) { |
| 964 | this.listener = listener; |
| 965 | this.userId = userId; |
| 966 | } |
| 967 | |
| 968 | @Override |
| 969 | public void binderDied() { |
| 970 | synchronized (mLock) { |
| 971 | mSession2TokensListenerRecords.remove(this); |
| 972 | } |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | final class SettingsObserver extends ContentObserver { |
| 977 | private final Uri mSecureSettingsUri = Settings.Secure.getUriFor( |
| 978 | Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); |
| 979 | |
| 980 | private SettingsObserver() { |
| 981 | super(null); |
| 982 | } |
| 983 | |
| 984 | private void observe() { |
| 985 | mContentResolver.registerContentObserver(mSecureSettingsUri, |
| 986 | false, this, USER_ALL); |
| 987 | } |
| 988 | |
| 989 | @Override |
| 990 | public void onChange(boolean selfChange, Uri uri) { |
| 991 | updateActiveSessionListeners(); |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | class SessionManagerImpl extends ISessionManager.Stub { |
| 996 | private static final String EXTRA_WAKELOCK_ACQUIRED = |
| 997 | "android.media.AudioService.WAKELOCK_ACQUIRED"; |
| 998 | private static final int WAKELOCK_RELEASE_ON_FINISHED = 1980; // magic number |
| 999 | |
| 1000 | private boolean mVoiceButtonDown = false; |
| 1001 | private boolean mVoiceButtonHandled = false; |
| 1002 | |
| 1003 | @Override |
Sungsoo Lim | 39d07a3 | 2019-01-20 13:02:01 +0900 | [diff] [blame] | 1004 | public SessionLink createSession(String packageName, SessionCallbackLink cb, String tag, |
Hyundo Moon | 5fc8db0 | 2019-02-20 15:51:56 +0900 | [diff] [blame] | 1005 | Bundle sessionInfo, int userId) throws RemoteException { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1006 | final int pid = Binder.getCallingPid(); |
| 1007 | final int uid = Binder.getCallingUid(); |
| 1008 | final long token = Binder.clearCallingIdentity(); |
| 1009 | try { |
| 1010 | enforcePackageName(packageName, uid); |
| 1011 | int resolvedUserId = ActivityManager.handleIncomingUser(pid, uid, userId, |
| 1012 | false /* allowAll */, true /* requireFull */, "createSession", packageName); |
| 1013 | if (cb == null) { |
| 1014 | throw new IllegalArgumentException("Controller callback cannot be null"); |
| 1015 | } |
Hyundo Moon | 5fc8db0 | 2019-02-20 15:51:56 +0900 | [diff] [blame] | 1016 | return createSessionInternal(pid, uid, resolvedUserId, packageName, cb, tag, |
| 1017 | sessionInfo).getSessionBinder(); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1018 | } finally { |
| 1019 | Binder.restoreCallingIdentity(token); |
| 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | @Override |
| 1024 | public void notifySession2Created(Session2Token sessionToken) throws RemoteException { |
| 1025 | final int pid = Binder.getCallingPid(); |
| 1026 | final int uid = Binder.getCallingUid(); |
| 1027 | final long token = Binder.clearCallingIdentity(); |
| 1028 | try { |
| 1029 | if (DEBUG) { |
| 1030 | Log.d(TAG, "Session2 is created " + sessionToken); |
| 1031 | } |
| 1032 | if (uid != sessionToken.getUid()) { |
| 1033 | throw new SecurityException("Unexpected Session2Token's UID, expected=" + uid |
| 1034 | + " but actually=" + sessionToken.getUid()); |
| 1035 | } |
Hyundo Moon | ff36c48 | 2019-01-31 02:28:20 +0000 | [diff] [blame] | 1036 | Controller2Callback callback = new Controller2Callback(sessionToken); |
| 1037 | // Note: It's safe not to keep controller here because it wouldn't be GC'ed until |
| 1038 | // it's closed. |
| 1039 | // TODO: Keep controller as well for better readability |
| 1040 | // because the GC behavior isn't straightforward. |
| 1041 | MediaController2 controller = new MediaController2(mContext, sessionToken, |
| 1042 | new HandlerExecutor(mHandler), callback); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1043 | } finally { |
| 1044 | Binder.restoreCallingIdentity(token); |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | @Override |
Hyundo Moon | 817f5f8 | 2019-01-28 12:34:53 +0900 | [diff] [blame] | 1049 | public List<MediaSession.Token> getSessions(ComponentName componentName, int userId) { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1050 | final int pid = Binder.getCallingPid(); |
| 1051 | final int uid = Binder.getCallingUid(); |
| 1052 | final long token = Binder.clearCallingIdentity(); |
| 1053 | |
| 1054 | try { |
| 1055 | int resolvedUserId = verifySessionsRequest(componentName, userId, pid, uid); |
Hyundo Moon | 817f5f8 | 2019-01-28 12:34:53 +0900 | [diff] [blame] | 1056 | ArrayList<MediaSession.Token> tokens = new ArrayList<>(); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1057 | synchronized (mLock) { |
| 1058 | List<MediaSessionRecord> records = getActiveSessionsLocked(resolvedUserId); |
| 1059 | for (MediaSessionRecord record : records) { |
Hyundo Moon | 817f5f8 | 2019-01-28 12:34:53 +0900 | [diff] [blame] | 1060 | tokens.add(record.getSessionToken()); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1061 | } |
| 1062 | } |
Hyundo Moon | 817f5f8 | 2019-01-28 12:34:53 +0900 | [diff] [blame] | 1063 | return tokens; |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1064 | } finally { |
| 1065 | Binder.restoreCallingIdentity(token); |
| 1066 | } |
| 1067 | } |
| 1068 | |
| 1069 | @Override |
| 1070 | public List<Session2Token> getSession2Tokens(int userId) { |
| 1071 | final int pid = Binder.getCallingPid(); |
| 1072 | final int uid = Binder.getCallingUid(); |
| 1073 | final long token = Binder.clearCallingIdentity(); |
| 1074 | |
| 1075 | try { |
| 1076 | // Check that they can make calls on behalf of the user and |
| 1077 | // get the final user id |
| 1078 | int resolvedUserId = ActivityManager.handleIncomingUser(pid, uid, userId, |
| 1079 | true /* allowAll */, true /* requireFull */, "getSession2Tokens", |
| 1080 | null /* optional packageName */); |
| 1081 | List<Session2Token> result; |
| 1082 | synchronized (mLock) { |
| 1083 | result = getSession2TokensLocked(resolvedUserId); |
| 1084 | } |
| 1085 | return result; |
| 1086 | } finally { |
| 1087 | Binder.restoreCallingIdentity(token); |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | @Override |
| 1092 | public void addSessionsListener(IActiveSessionsListener listener, |
| 1093 | ComponentName componentName, int userId) throws RemoteException { |
| 1094 | final int pid = Binder.getCallingPid(); |
| 1095 | final int uid = Binder.getCallingUid(); |
| 1096 | final long token = Binder.clearCallingIdentity(); |
| 1097 | |
| 1098 | try { |
| 1099 | int resolvedUserId = verifySessionsRequest(componentName, userId, pid, uid); |
| 1100 | synchronized (mLock) { |
| 1101 | int index = findIndexOfSessionsListenerLocked(listener); |
| 1102 | if (index != -1) { |
| 1103 | Log.w(TAG, "ActiveSessionsListener is already added, ignoring"); |
| 1104 | return; |
| 1105 | } |
| 1106 | SessionsListenerRecord record = new SessionsListenerRecord(listener, |
| 1107 | componentName, resolvedUserId, pid, uid); |
| 1108 | try { |
| 1109 | listener.asBinder().linkToDeath(record, 0); |
| 1110 | } catch (RemoteException e) { |
| 1111 | Log.e(TAG, "ActiveSessionsListener is dead, ignoring it", e); |
| 1112 | return; |
| 1113 | } |
| 1114 | mSessionsListeners.add(record); |
| 1115 | } |
| 1116 | } finally { |
| 1117 | Binder.restoreCallingIdentity(token); |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | @Override |
| 1122 | public void removeSessionsListener(IActiveSessionsListener listener) |
| 1123 | throws RemoteException { |
| 1124 | synchronized (mLock) { |
| 1125 | int index = findIndexOfSessionsListenerLocked(listener); |
| 1126 | if (index != -1) { |
| 1127 | SessionsListenerRecord record = mSessionsListeners.remove(index); |
| 1128 | try { |
| 1129 | record.listener.asBinder().unlinkToDeath(record, 0); |
| 1130 | } catch (Exception e) { |
| 1131 | // ignore exceptions, the record is being removed |
| 1132 | } |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | @Override |
| 1138 | public void addSession2TokensListener(ISession2TokensListener listener, |
| 1139 | int userId) { |
| 1140 | final int pid = Binder.getCallingPid(); |
| 1141 | final int uid = Binder.getCallingUid(); |
| 1142 | final long token = Binder.clearCallingIdentity(); |
| 1143 | |
| 1144 | try { |
| 1145 | // Check that they can make calls on behalf of the user and get the final user id. |
| 1146 | int resolvedUserId = ActivityManager.handleIncomingUser(pid, uid, userId, |
| 1147 | true /* allowAll */, true /* requireFull */, "addSession2TokensListener", |
| 1148 | null /* optional packageName */); |
| 1149 | synchronized (mLock) { |
| 1150 | int index = findIndexOfSession2TokensListenerLocked(listener); |
| 1151 | if (index >= 0) { |
| 1152 | Log.w(TAG, "addSession2TokensListener is already added, ignoring"); |
| 1153 | return; |
| 1154 | } |
| 1155 | mSession2TokensListenerRecords.add( |
| 1156 | new Session2TokensListenerRecord(listener, resolvedUserId)); |
| 1157 | } |
| 1158 | } finally { |
| 1159 | Binder.restoreCallingIdentity(token); |
| 1160 | } |
| 1161 | } |
| 1162 | |
| 1163 | @Override |
| 1164 | public void removeSession2TokensListener(ISession2TokensListener listener) { |
| 1165 | final int pid = Binder.getCallingPid(); |
| 1166 | final int uid = Binder.getCallingUid(); |
| 1167 | final long token = Binder.clearCallingIdentity(); |
| 1168 | |
| 1169 | try { |
| 1170 | synchronized (mLock) { |
| 1171 | int index = findIndexOfSession2TokensListenerLocked(listener); |
| 1172 | if (index >= 0) { |
| 1173 | Session2TokensListenerRecord listenerRecord = |
| 1174 | mSession2TokensListenerRecords.remove(index); |
| 1175 | try { |
| 1176 | listenerRecord.listener.asBinder().unlinkToDeath(listenerRecord, 0); |
| 1177 | } catch (Exception e) { |
| 1178 | // Ignore exception. |
| 1179 | } |
| 1180 | } |
| 1181 | } |
| 1182 | } finally { |
| 1183 | Binder.restoreCallingIdentity(token); |
| 1184 | } |
| 1185 | } |
| 1186 | |
| 1187 | /** |
| 1188 | * Handles the dispatching of the media button events to one of the |
| 1189 | * registered listeners, or if there was none, broadcast an |
| 1190 | * ACTION_MEDIA_BUTTON intent to the rest of the system. |
| 1191 | * |
| 1192 | * @param packageName The caller package |
| 1193 | * @param asSystemService {@code true} if the event sent to the session as if it was come |
| 1194 | * from the system service instead of the app process. This helps sessions to |
| 1195 | * distinguish between the key injection by the app and key events from the |
| 1196 | * hardware devices. Should be used only when the volume key events aren't handled |
| 1197 | * by foreground activity. {@code false} otherwise to tell session about the real |
| 1198 | * caller. |
| 1199 | * @param keyEvent a non-null KeyEvent whose key code is one of the |
| 1200 | * supported media buttons |
| 1201 | * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held |
| 1202 | * while this key event is dispatched. |
| 1203 | */ |
| 1204 | @Override |
| 1205 | public void dispatchMediaKeyEvent(String packageName, boolean asSystemService, |
| 1206 | KeyEvent keyEvent, boolean needWakeLock) { |
| 1207 | if (keyEvent == null || !KeyEvent.isMediaSessionKey(keyEvent.getKeyCode())) { |
| 1208 | Log.w(TAG, "Attempted to dispatch null or non-media key event."); |
| 1209 | return; |
| 1210 | } |
| 1211 | |
| 1212 | final int pid = Binder.getCallingPid(); |
| 1213 | final int uid = Binder.getCallingUid(); |
| 1214 | final long token = Binder.clearCallingIdentity(); |
| 1215 | try { |
| 1216 | if (DEBUG) { |
| 1217 | Log.d(TAG, "dispatchMediaKeyEvent, pkg=" + packageName + " pid=" + pid |
| 1218 | + ", uid=" + uid + ", asSystem=" + asSystemService + ", event=" |
| 1219 | + keyEvent); |
| 1220 | } |
| 1221 | if (!isUserSetupComplete()) { |
| 1222 | // Global media key handling can have the side-effect of starting new |
| 1223 | // activities which is undesirable while setup is in progress. |
| 1224 | Slog.i(TAG, "Not dispatching media key event because user " |
| 1225 | + "setup is in progress."); |
| 1226 | return; |
| 1227 | } |
| 1228 | |
| 1229 | synchronized (mLock) { |
| 1230 | boolean isGlobalPriorityActive = isGlobalPriorityActiveLocked(); |
| 1231 | if (isGlobalPriorityActive && uid != Process.SYSTEM_UID) { |
| 1232 | // Prevent dispatching key event through reflection while the global |
| 1233 | // priority session is active. |
| 1234 | Slog.i(TAG, "Only the system can dispatch media key event " |
| 1235 | + "to the global priority session."); |
| 1236 | return; |
| 1237 | } |
| 1238 | if (!isGlobalPriorityActive) { |
| 1239 | if (mCurrentFullUserRecord.mOnMediaKeyListener != null) { |
| 1240 | if (DEBUG_KEY_EVENT) { |
| 1241 | Log.d(TAG, "Send " + keyEvent + " to the media key listener"); |
| 1242 | } |
| 1243 | try { |
| 1244 | mCurrentFullUserRecord.mOnMediaKeyListener.onMediaKey(keyEvent, |
| 1245 | new MediaKeyListenerResultReceiver(packageName, pid, uid, |
| 1246 | asSystemService, keyEvent, needWakeLock)); |
| 1247 | return; |
| 1248 | } catch (RemoteException e) { |
| 1249 | Log.w(TAG, "Failed to send " + keyEvent |
| 1250 | + " to the media key listener"); |
| 1251 | } |
| 1252 | } |
| 1253 | } |
| 1254 | if (!isGlobalPriorityActive && isVoiceKey(keyEvent.getKeyCode())) { |
| 1255 | handleVoiceKeyEventLocked(packageName, pid, uid, asSystemService, keyEvent, |
| 1256 | needWakeLock); |
| 1257 | } else { |
| 1258 | dispatchMediaKeyEventLocked(packageName, pid, uid, asSystemService, |
| 1259 | keyEvent, needWakeLock); |
| 1260 | } |
| 1261 | } |
| 1262 | } finally { |
| 1263 | Binder.restoreCallingIdentity(token); |
| 1264 | } |
| 1265 | } |
| 1266 | |
| 1267 | @Override |
Jaewan Kim | 8be71c0 | 2019-01-29 01:22:13 +0900 | [diff] [blame] | 1268 | public boolean dispatchMediaKeyEventToSessionAsSystemService(String packageName, |
| 1269 | MediaSession.Token sessionToken, KeyEvent keyEvent) { |
| 1270 | final int pid = Binder.getCallingPid(); |
| 1271 | final int uid = Binder.getCallingUid(); |
| 1272 | final long token = Binder.clearCallingIdentity(); |
| 1273 | try { |
| 1274 | synchronized (mLock) { |
| 1275 | MediaSessionRecord record = getMediaSessionRecordLocked(sessionToken); |
| 1276 | if (record == null) { |
| 1277 | if (DEBUG) { |
| 1278 | Log.d(TAG, "Failed to find session to dispatch key event."); |
| 1279 | } |
| 1280 | return false; |
| 1281 | } |
| 1282 | if (DEBUG) { |
| 1283 | Log.d(TAG, "dispatchMediaKeyEventToSessionAsSystemService, pkg=" |
| 1284 | + packageName + ", pid=" + pid + ", uid=" + uid + ", sessionToken=" |
| 1285 | + sessionToken + ", event=" + keyEvent + ", session=" + record); |
| 1286 | } |
| 1287 | return record.sendMediaButton(packageName, pid, uid, true /* asSystemService */, |
| 1288 | keyEvent, 0, null); |
| 1289 | } |
| 1290 | } finally { |
| 1291 | Binder.restoreCallingIdentity(token); |
| 1292 | } |
| 1293 | } |
| 1294 | |
| 1295 | @Override |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1296 | public void setCallback(ICallback callback) { |
| 1297 | final int pid = Binder.getCallingPid(); |
| 1298 | final int uid = Binder.getCallingUid(); |
| 1299 | final long token = Binder.clearCallingIdentity(); |
| 1300 | try { |
| 1301 | if (!UserHandle.isSameApp(uid, Process.BLUETOOTH_UID)) { |
| 1302 | throw new SecurityException("Only Bluetooth service processes can set" |
| 1303 | + " Callback"); |
| 1304 | } |
| 1305 | synchronized (mLock) { |
| 1306 | int userId = UserHandle.getUserId(uid); |
| 1307 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 1308 | if (user == null || user.mFullUserId != userId) { |
| 1309 | Log.w(TAG, "Only the full user can set the callback" |
| 1310 | + ", userId=" + userId); |
| 1311 | return; |
| 1312 | } |
| 1313 | user.mCallback = callback; |
| 1314 | Log.d(TAG, "The callback " + user.mCallback |
| 1315 | + " is set by " + getCallingPackageName(uid)); |
| 1316 | if (user.mCallback == null) { |
| 1317 | return; |
| 1318 | } |
| 1319 | try { |
| 1320 | user.mCallback.asBinder().linkToDeath( |
| 1321 | new IBinder.DeathRecipient() { |
| 1322 | @Override |
| 1323 | public void binderDied() { |
| 1324 | synchronized (mLock) { |
| 1325 | user.mCallback = null; |
| 1326 | } |
| 1327 | } |
| 1328 | }, 0); |
| 1329 | user.pushAddressedPlayerChangedLocked(); |
| 1330 | } catch (RemoteException e) { |
| 1331 | Log.w(TAG, "Failed to set callback", e); |
| 1332 | user.mCallback = null; |
| 1333 | } |
| 1334 | } |
| 1335 | } finally { |
| 1336 | Binder.restoreCallingIdentity(token); |
| 1337 | } |
| 1338 | } |
| 1339 | |
| 1340 | @Override |
| 1341 | public void setOnVolumeKeyLongPressListener(IOnVolumeKeyLongPressListener listener) { |
| 1342 | final int pid = Binder.getCallingPid(); |
| 1343 | final int uid = Binder.getCallingUid(); |
| 1344 | final long token = Binder.clearCallingIdentity(); |
| 1345 | try { |
| 1346 | // Enforce SET_VOLUME_KEY_LONG_PRESS_LISTENER permission. |
| 1347 | if (mContext.checkPermission( |
| 1348 | android.Manifest.permission.SET_VOLUME_KEY_LONG_PRESS_LISTENER, pid, uid) |
| 1349 | != PackageManager.PERMISSION_GRANTED) { |
| 1350 | throw new SecurityException("Must hold the SET_VOLUME_KEY_LONG_PRESS_LISTENER" |
| 1351 | + " permission."); |
| 1352 | } |
| 1353 | |
| 1354 | synchronized (mLock) { |
| 1355 | int userId = UserHandle.getUserId(uid); |
| 1356 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 1357 | if (user == null || user.mFullUserId != userId) { |
| 1358 | Log.w(TAG, "Only the full user can set the volume key long-press listener" |
| 1359 | + ", userId=" + userId); |
| 1360 | return; |
| 1361 | } |
| 1362 | if (user.mOnVolumeKeyLongPressListener != null |
| 1363 | && user.mOnVolumeKeyLongPressListenerUid != uid) { |
| 1364 | Log.w(TAG, "The volume key long-press listener cannot be reset" |
| 1365 | + " by another app , mOnVolumeKeyLongPressListener=" |
| 1366 | + user.mOnVolumeKeyLongPressListenerUid |
| 1367 | + ", uid=" + uid); |
| 1368 | return; |
| 1369 | } |
| 1370 | |
| 1371 | user.mOnVolumeKeyLongPressListener = listener; |
| 1372 | user.mOnVolumeKeyLongPressListenerUid = uid; |
| 1373 | |
| 1374 | Log.d(TAG, "The volume key long-press listener " |
| 1375 | + listener + " is set by " + getCallingPackageName(uid)); |
| 1376 | |
| 1377 | if (user.mOnVolumeKeyLongPressListener != null) { |
| 1378 | try { |
| 1379 | user.mOnVolumeKeyLongPressListener.asBinder().linkToDeath( |
| 1380 | new IBinder.DeathRecipient() { |
| 1381 | @Override |
| 1382 | public void binderDied() { |
| 1383 | synchronized (mLock) { |
| 1384 | user.mOnVolumeKeyLongPressListener = null; |
| 1385 | } |
| 1386 | } |
| 1387 | }, 0); |
| 1388 | } catch (RemoteException e) { |
| 1389 | Log.w(TAG, "Failed to set death recipient " |
| 1390 | + user.mOnVolumeKeyLongPressListener); |
| 1391 | user.mOnVolumeKeyLongPressListener = null; |
| 1392 | } |
| 1393 | } |
| 1394 | } |
| 1395 | } finally { |
| 1396 | Binder.restoreCallingIdentity(token); |
| 1397 | } |
| 1398 | } |
| 1399 | |
| 1400 | @Override |
| 1401 | public void setOnMediaKeyListener(IOnMediaKeyListener listener) { |
| 1402 | final int pid = Binder.getCallingPid(); |
| 1403 | final int uid = Binder.getCallingUid(); |
| 1404 | final long token = Binder.clearCallingIdentity(); |
| 1405 | try { |
| 1406 | // Enforce SET_MEDIA_KEY_LISTENER permission. |
| 1407 | if (mContext.checkPermission( |
| 1408 | android.Manifest.permission.SET_MEDIA_KEY_LISTENER, pid, uid) |
| 1409 | != PackageManager.PERMISSION_GRANTED) { |
| 1410 | throw new SecurityException("Must hold the SET_MEDIA_KEY_LISTENER permission."); |
| 1411 | } |
| 1412 | |
| 1413 | synchronized (mLock) { |
| 1414 | int userId = UserHandle.getUserId(uid); |
| 1415 | FullUserRecord user = getFullUserRecordLocked(userId); |
| 1416 | if (user == null || user.mFullUserId != userId) { |
| 1417 | Log.w(TAG, "Only the full user can set the media key listener" |
| 1418 | + ", userId=" + userId); |
| 1419 | return; |
| 1420 | } |
| 1421 | if (user.mOnMediaKeyListener != null && user.mOnMediaKeyListenerUid != uid) { |
| 1422 | Log.w(TAG, "The media key listener cannot be reset by another app. " |
| 1423 | + ", mOnMediaKeyListenerUid=" + user.mOnMediaKeyListenerUid |
| 1424 | + ", uid=" + uid); |
| 1425 | return; |
| 1426 | } |
| 1427 | |
| 1428 | user.mOnMediaKeyListener = listener; |
| 1429 | user.mOnMediaKeyListenerUid = uid; |
| 1430 | |
| 1431 | Log.d(TAG, "The media key listener " + user.mOnMediaKeyListener |
| 1432 | + " is set by " + getCallingPackageName(uid)); |
| 1433 | |
| 1434 | if (user.mOnMediaKeyListener != null) { |
| 1435 | try { |
| 1436 | user.mOnMediaKeyListener.asBinder().linkToDeath( |
| 1437 | new IBinder.DeathRecipient() { |
| 1438 | @Override |
| 1439 | public void binderDied() { |
| 1440 | synchronized (mLock) { |
| 1441 | user.mOnMediaKeyListener = null; |
| 1442 | } |
| 1443 | } |
| 1444 | }, 0); |
| 1445 | } catch (RemoteException e) { |
| 1446 | Log.w(TAG, "Failed to set death recipient " + user.mOnMediaKeyListener); |
| 1447 | user.mOnMediaKeyListener = null; |
| 1448 | } |
| 1449 | } |
| 1450 | } |
| 1451 | } finally { |
| 1452 | Binder.restoreCallingIdentity(token); |
| 1453 | } |
| 1454 | } |
| 1455 | |
| 1456 | /** |
| 1457 | * Handles the dispatching of the volume button events to one of the |
| 1458 | * registered listeners. If there's a volume key long-press listener and |
| 1459 | * there's no active global priority session, long-pressess will be sent to the |
| 1460 | * long-press listener instead of adjusting volume. |
| 1461 | * |
| 1462 | * @param packageName The caller's package name, obtained by Context#getPackageName() |
| 1463 | * @param opPackageName The caller's op package name, obtained by Context#getOpPackageName() |
| 1464 | * @param asSystemService {@code true} if the event sent to the session as if it was come |
| 1465 | * from the system service instead of the app process. This helps sessions to |
| 1466 | * distinguish between the key injection by the app and key events from the |
| 1467 | * hardware devices. Should be used only when the volume key events aren't handled |
| 1468 | * by foreground activity. {@code false} otherwise to tell session about the real |
| 1469 | * caller. |
| 1470 | * @param keyEvent a non-null KeyEvent whose key code is one of the |
| 1471 | * {@link KeyEvent#KEYCODE_VOLUME_UP}, |
| 1472 | * {@link KeyEvent#KEYCODE_VOLUME_DOWN}, |
| 1473 | * or {@link KeyEvent#KEYCODE_VOLUME_MUTE}. |
| 1474 | * @param stream stream type to adjust volume. |
| 1475 | * @param musicOnly true if both UI nor haptic feedback aren't needed when adjust volume. |
| 1476 | */ |
| 1477 | @Override |
| 1478 | public void dispatchVolumeKeyEvent(String packageName, String opPackageName, |
| 1479 | boolean asSystemService, KeyEvent keyEvent, int stream, boolean musicOnly) { |
| 1480 | if (keyEvent == null |
| 1481 | || (keyEvent.getKeyCode() != KeyEvent.KEYCODE_VOLUME_UP |
| 1482 | && keyEvent.getKeyCode() != KeyEvent.KEYCODE_VOLUME_DOWN |
| 1483 | && keyEvent.getKeyCode() != KeyEvent.KEYCODE_VOLUME_MUTE)) { |
| 1484 | Log.w(TAG, "Attempted to dispatch null or non-volume key event."); |
| 1485 | return; |
| 1486 | } |
| 1487 | |
| 1488 | final int pid = Binder.getCallingPid(); |
| 1489 | final int uid = Binder.getCallingUid(); |
| 1490 | final long token = Binder.clearCallingIdentity(); |
| 1491 | |
| 1492 | if (DEBUG_KEY_EVENT) { |
| 1493 | Log.d(TAG, "dispatchVolumeKeyEvent, pkg=" + packageName + ", pid=" + pid + ", uid=" |
| 1494 | + uid + ", asSystem=" + asSystemService + ", event=" + keyEvent); |
| 1495 | } |
| 1496 | |
| 1497 | try { |
| 1498 | synchronized (mLock) { |
| 1499 | if (isGlobalPriorityActiveLocked() |
| 1500 | || mCurrentFullUserRecord.mOnVolumeKeyLongPressListener == null) { |
| 1501 | dispatchVolumeKeyEventLocked(packageName, opPackageName, pid, uid, |
| 1502 | asSystemService, keyEvent, stream, musicOnly); |
| 1503 | } else { |
| 1504 | // TODO: Consider the case when both volume up and down keys are pressed |
| 1505 | // at the same time. |
| 1506 | if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) { |
| 1507 | if (keyEvent.getRepeatCount() == 0) { |
| 1508 | // Keeps the copy of the KeyEvent because it can be reused. |
| 1509 | mCurrentFullUserRecord.mInitialDownVolumeKeyEvent = |
| 1510 | KeyEvent.obtain(keyEvent); |
| 1511 | mCurrentFullUserRecord.mInitialDownVolumeStream = stream; |
| 1512 | mCurrentFullUserRecord.mInitialDownMusicOnly = musicOnly; |
| 1513 | mHandler.sendMessageDelayed( |
| 1514 | mHandler.obtainMessage( |
| 1515 | MessageHandler.MSG_VOLUME_INITIAL_DOWN, |
| 1516 | mCurrentFullUserRecord.mFullUserId, 0), |
| 1517 | mLongPressTimeout); |
| 1518 | } |
| 1519 | if (keyEvent.getRepeatCount() > 0 || keyEvent.isLongPress()) { |
| 1520 | mHandler.removeMessages(MessageHandler.MSG_VOLUME_INITIAL_DOWN); |
| 1521 | if (mCurrentFullUserRecord.mInitialDownVolumeKeyEvent != null) { |
| 1522 | dispatchVolumeKeyLongPressLocked( |
| 1523 | mCurrentFullUserRecord.mInitialDownVolumeKeyEvent); |
| 1524 | // Mark that the key is already handled. |
| 1525 | mCurrentFullUserRecord.mInitialDownVolumeKeyEvent = null; |
| 1526 | } |
| 1527 | dispatchVolumeKeyLongPressLocked(keyEvent); |
| 1528 | } |
| 1529 | } else { // if up |
| 1530 | mHandler.removeMessages(MessageHandler.MSG_VOLUME_INITIAL_DOWN); |
| 1531 | if (mCurrentFullUserRecord.mInitialDownVolumeKeyEvent != null |
| 1532 | && mCurrentFullUserRecord.mInitialDownVolumeKeyEvent |
| 1533 | .getDownTime() == keyEvent.getDownTime()) { |
| 1534 | // Short-press. Should change volume. |
| 1535 | dispatchVolumeKeyEventLocked(packageName, opPackageName, pid, uid, |
| 1536 | asSystemService, |
| 1537 | mCurrentFullUserRecord.mInitialDownVolumeKeyEvent, |
| 1538 | mCurrentFullUserRecord.mInitialDownVolumeStream, |
| 1539 | mCurrentFullUserRecord.mInitialDownMusicOnly); |
| 1540 | dispatchVolumeKeyEventLocked(packageName, opPackageName, pid, uid, |
| 1541 | asSystemService, keyEvent, stream, musicOnly); |
| 1542 | } else { |
| 1543 | dispatchVolumeKeyLongPressLocked(keyEvent); |
| 1544 | } |
| 1545 | } |
| 1546 | } |
| 1547 | } |
| 1548 | } finally { |
| 1549 | Binder.restoreCallingIdentity(token); |
| 1550 | } |
| 1551 | } |
| 1552 | |
| 1553 | private void dispatchVolumeKeyEventLocked(String packageName, String opPackageName, int pid, |
| 1554 | int uid, boolean asSystemService, KeyEvent keyEvent, int stream, |
| 1555 | boolean musicOnly) { |
| 1556 | boolean down = keyEvent.getAction() == KeyEvent.ACTION_DOWN; |
| 1557 | boolean up = keyEvent.getAction() == KeyEvent.ACTION_UP; |
| 1558 | int direction = 0; |
| 1559 | boolean isMute = false; |
| 1560 | switch (keyEvent.getKeyCode()) { |
| 1561 | case KeyEvent.KEYCODE_VOLUME_UP: |
| 1562 | direction = AudioManager.ADJUST_RAISE; |
| 1563 | break; |
| 1564 | case KeyEvent.KEYCODE_VOLUME_DOWN: |
| 1565 | direction = AudioManager.ADJUST_LOWER; |
| 1566 | break; |
| 1567 | case KeyEvent.KEYCODE_VOLUME_MUTE: |
| 1568 | isMute = true; |
| 1569 | break; |
| 1570 | } |
| 1571 | if (down || up) { |
| 1572 | int flags = AudioManager.FLAG_FROM_KEY; |
| 1573 | if (musicOnly) { |
| 1574 | // This flag is used when the screen is off to only affect active media. |
| 1575 | flags |= AudioManager.FLAG_ACTIVE_MEDIA_ONLY; |
| 1576 | } else { |
| 1577 | // These flags are consistent with the home screen |
| 1578 | if (up) { |
| 1579 | flags |= AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_VIBRATE; |
| 1580 | } else { |
| 1581 | flags |= AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE; |
| 1582 | } |
| 1583 | } |
| 1584 | if (direction != 0) { |
| 1585 | // If this is action up we want to send a beep for non-music events |
| 1586 | if (up) { |
| 1587 | direction = 0; |
| 1588 | } |
| 1589 | dispatchAdjustVolumeLocked(packageName, opPackageName, pid, uid, |
| 1590 | asSystemService, stream, direction, flags); |
| 1591 | } else if (isMute) { |
| 1592 | if (down && keyEvent.getRepeatCount() == 0) { |
| 1593 | dispatchAdjustVolumeLocked(packageName, opPackageName, pid, uid, |
| 1594 | asSystemService, stream, AudioManager.ADJUST_TOGGLE_MUTE, flags); |
| 1595 | } |
| 1596 | } |
| 1597 | } |
| 1598 | } |
| 1599 | |
| 1600 | @Override |
Jaewan Kim | 8be71c0 | 2019-01-29 01:22:13 +0900 | [diff] [blame] | 1601 | public void dispatchVolumeKeyEventToSessionAsSystemService(String packageName, |
| 1602 | String opPackageName, MediaSession.Token sessionToken, KeyEvent keyEvent) { |
| 1603 | int pid = Binder.getCallingPid(); |
| 1604 | int uid = Binder.getCallingUid(); |
| 1605 | final long token = Binder.clearCallingIdentity(); |
| 1606 | try { |
| 1607 | synchronized (mLock) { |
| 1608 | MediaSessionRecord record = getMediaSessionRecordLocked(sessionToken); |
| 1609 | if (record == null) { |
| 1610 | if (DEBUG) { |
| 1611 | Log.d(TAG, "Failed to find session to dispatch key event."); |
| 1612 | } |
| 1613 | return; |
| 1614 | } |
| 1615 | if (DEBUG) { |
| 1616 | Log.d(TAG, "dispatchVolumeKeyEventToSessionAsSystemService, pkg=" |
| 1617 | + packageName + ", opPkg=" + opPackageName + ", pid=" + pid |
| 1618 | + ", uid=" + uid + ", sessionToken=" + sessionToken + ", event=" |
| 1619 | + keyEvent + ", session=" + record); |
| 1620 | } |
| 1621 | switch (keyEvent.getAction()) { |
| 1622 | case KeyEvent.ACTION_DOWN: { |
| 1623 | int direction = 0; |
| 1624 | switch (keyEvent.getKeyCode()) { |
| 1625 | case KeyEvent.KEYCODE_VOLUME_UP: |
| 1626 | direction = AudioManager.ADJUST_RAISE; |
| 1627 | break; |
| 1628 | case KeyEvent.KEYCODE_VOLUME_DOWN: |
| 1629 | direction = AudioManager.ADJUST_LOWER; |
| 1630 | break; |
| 1631 | case KeyEvent.KEYCODE_VOLUME_MUTE: |
| 1632 | direction = AudioManager.ADJUST_TOGGLE_MUTE; |
| 1633 | break; |
| 1634 | } |
| 1635 | record.adjustVolume(packageName, opPackageName, pid, uid, |
| 1636 | null /* caller */, true /* asSystemService */, direction, |
| 1637 | AudioManager.FLAG_SHOW_UI, false /* useSuggested */); |
| 1638 | break; |
| 1639 | } |
| 1640 | |
| 1641 | case KeyEvent.ACTION_UP: { |
| 1642 | final int flags = |
| 1643 | AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_VIBRATE |
| 1644 | | AudioManager.FLAG_FROM_KEY; |
| 1645 | record.adjustVolume(packageName, opPackageName, pid, uid, |
| 1646 | null /* caller */, true /* asSystemService */, 0, |
| 1647 | flags, false /* useSuggested */); |
| 1648 | } |
| 1649 | } |
| 1650 | } |
| 1651 | } finally { |
| 1652 | Binder.restoreCallingIdentity(token); |
| 1653 | } |
| 1654 | } |
| 1655 | |
| 1656 | @Override |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1657 | public void dispatchAdjustVolume(String packageName, String opPackageName, |
| 1658 | int suggestedStream, int delta, int flags) { |
| 1659 | final int pid = Binder.getCallingPid(); |
| 1660 | final int uid = Binder.getCallingUid(); |
| 1661 | final long token = Binder.clearCallingIdentity(); |
| 1662 | try { |
| 1663 | synchronized (mLock) { |
| 1664 | dispatchAdjustVolumeLocked(packageName, opPackageName, pid, uid, false, |
| 1665 | suggestedStream, delta, flags); |
| 1666 | } |
| 1667 | } finally { |
| 1668 | Binder.restoreCallingIdentity(token); |
| 1669 | } |
| 1670 | } |
| 1671 | |
| 1672 | @Override |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 1673 | public void registerRemoteVolumeController(IRemoteVolumeController rvc) { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1674 | final int pid = Binder.getCallingPid(); |
| 1675 | final int uid = Binder.getCallingUid(); |
| 1676 | final long token = Binder.clearCallingIdentity(); |
| 1677 | try { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 1678 | enforceStatusBarServicePermission("listen for volume changes", pid, uid); |
| 1679 | mRemoteVolumeControllers.register(rvc); |
| 1680 | } finally { |
| 1681 | Binder.restoreCallingIdentity(token); |
| 1682 | } |
| 1683 | } |
| 1684 | |
| 1685 | @Override |
| 1686 | public void unregisterRemoteVolumeController(IRemoteVolumeController rvc) { |
| 1687 | final int pid = Binder.getCallingPid(); |
| 1688 | final int uid = Binder.getCallingUid(); |
| 1689 | final long token = Binder.clearCallingIdentity(); |
| 1690 | try { |
| 1691 | enforceStatusBarServicePermission("listen for volume changes", pid, uid); |
| 1692 | mRemoteVolumeControllers.unregister(rvc); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1693 | } finally { |
| 1694 | Binder.restoreCallingIdentity(token); |
| 1695 | } |
| 1696 | } |
| 1697 | |
| 1698 | @Override |
| 1699 | public boolean isGlobalPriorityActive() { |
| 1700 | synchronized (mLock) { |
| 1701 | return isGlobalPriorityActiveLocked(); |
| 1702 | } |
| 1703 | } |
| 1704 | |
| 1705 | @Override |
| 1706 | public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) { |
| 1707 | if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
| 1708 | |
| 1709 | pw.println("MEDIA SESSION SERVICE (dumpsys media_session)"); |
| 1710 | pw.println(); |
| 1711 | |
| 1712 | synchronized (mLock) { |
| 1713 | pw.println(mSessionsListeners.size() + " sessions listeners."); |
| 1714 | pw.println("Global priority session is " + mGlobalPrioritySession); |
| 1715 | if (mGlobalPrioritySession != null) { |
| 1716 | mGlobalPrioritySession.dump(pw, " "); |
| 1717 | } |
| 1718 | pw.println("User Records:"); |
| 1719 | int count = mUserRecords.size(); |
| 1720 | for (int i = 0; i < count; i++) { |
| 1721 | mUserRecords.valueAt(i).dumpLocked(pw, ""); |
| 1722 | } |
| 1723 | mAudioPlayerStateMonitor.dump(mContext, pw, ""); |
| 1724 | } |
| 1725 | } |
| 1726 | |
| 1727 | /** |
| 1728 | * Returns if the controller's package is trusted (i.e. has either MEDIA_CONTENT_CONTROL |
| 1729 | * permission or an enabled notification listener) |
| 1730 | * |
| 1731 | * @param controllerPackageName package name of the controller app |
| 1732 | * @param controllerPid pid of the controller app |
| 1733 | * @param controllerUid uid of the controller app |
| 1734 | */ |
| 1735 | @Override |
| 1736 | public boolean isTrusted(String controllerPackageName, int controllerPid, int controllerUid) |
| 1737 | throws RemoteException { |
| 1738 | final int uid = Binder.getCallingUid(); |
| 1739 | final long token = Binder.clearCallingIdentity(); |
| 1740 | try { |
| 1741 | // Don't perform sanity check between controllerPackageName and controllerUid. |
| 1742 | // When an (activity|service) runs on the another apps process by specifying |
| 1743 | // android:process in the AndroidManifest.xml, then PID and UID would have the |
| 1744 | // running process' information instead of the (activity|service) that has created |
| 1745 | // MediaController. |
| 1746 | // Note that we can use Context#getOpPackageName() instead of |
| 1747 | // Context#getPackageName() for getting package name that matches with the PID/UID, |
| 1748 | // but it doesn't tell which package has created the MediaController, so useless. |
| 1749 | return hasMediaControlPermission(UserHandle.getUserId(uid), controllerPackageName, |
| 1750 | controllerPid, controllerUid); |
| 1751 | } finally { |
| 1752 | Binder.restoreCallingIdentity(token); |
| 1753 | } |
| 1754 | } |
| 1755 | |
| 1756 | // For MediaSession |
| 1757 | private int verifySessionsRequest(ComponentName componentName, int userId, final int pid, |
| 1758 | final int uid) { |
| 1759 | String packageName = null; |
| 1760 | if (componentName != null) { |
| 1761 | // If they gave us a component name verify they own the |
| 1762 | // package |
| 1763 | packageName = componentName.getPackageName(); |
| 1764 | enforcePackageName(packageName, uid); |
| 1765 | } |
| 1766 | // Check that they can make calls on behalf of the user and |
| 1767 | // get the final user id |
| 1768 | int resolvedUserId = ActivityManager.handleIncomingUser(pid, uid, userId, |
| 1769 | true /* allowAll */, true /* requireFull */, "getSessions", packageName); |
| 1770 | // Check if they have the permissions or their component is |
| 1771 | // enabled for the user they're calling from. |
| 1772 | enforceMediaPermissions(componentName, pid, uid, resolvedUserId); |
| 1773 | return resolvedUserId; |
| 1774 | } |
| 1775 | |
| 1776 | private boolean hasMediaControlPermission(int resolvedUserId, String packageName, |
| 1777 | int pid, int uid) throws RemoteException { |
Hyundo Moon | a676fdc | 2019-03-08 19:18:36 +0900 | [diff] [blame^] | 1778 | // Allow API calls from the System UI and Settings |
| 1779 | if (hasStatusBarServicePermission(pid, uid)) { |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1780 | return true; |
| 1781 | } |
| 1782 | |
| 1783 | // Check if it's system server or has MEDIA_CONTENT_CONTROL. |
| 1784 | // Note that system server doesn't have MEDIA_CONTENT_CONTROL, so we need extra |
| 1785 | // check here. |
| 1786 | if (uid == Process.SYSTEM_UID || mContext.checkPermission( |
| 1787 | android.Manifest.permission.MEDIA_CONTENT_CONTROL, pid, uid) |
| 1788 | == PackageManager.PERMISSION_GRANTED) { |
| 1789 | return true; |
| 1790 | } else if (DEBUG) { |
| 1791 | Log.d(TAG, packageName + " (uid=" + uid + ") hasn't granted MEDIA_CONTENT_CONTROL"); |
| 1792 | } |
| 1793 | |
| 1794 | // You may not access another user's content as an enabled listener. |
| 1795 | final int userId = UserHandle.getUserId(uid); |
| 1796 | if (resolvedUserId != userId) { |
| 1797 | return false; |
| 1798 | } |
| 1799 | |
| 1800 | // TODO(jaewan): (Post-P) Propose NotificationManager#hasEnabledNotificationListener( |
| 1801 | // String pkgName) to notification team for optimization |
| 1802 | final List<ComponentName> enabledNotificationListeners = |
| 1803 | mNotificationManager.getEnabledNotificationListeners(userId); |
| 1804 | if (enabledNotificationListeners != null) { |
| 1805 | for (int i = 0; i < enabledNotificationListeners.size(); i++) { |
| 1806 | if (TextUtils.equals(packageName, |
| 1807 | enabledNotificationListeners.get(i).getPackageName())) { |
| 1808 | return true; |
| 1809 | } |
| 1810 | } |
| 1811 | } |
| 1812 | if (DEBUG) { |
| 1813 | Log.d(TAG, packageName + " (uid=" + uid + ") doesn't have an enabled " |
| 1814 | + "notification listener"); |
| 1815 | } |
| 1816 | return false; |
| 1817 | } |
| 1818 | |
| 1819 | private void dispatchAdjustVolumeLocked(String packageName, String opPackageName, int pid, |
| 1820 | int uid, boolean asSystemService, int suggestedStream, int direction, int flags) { |
| 1821 | MediaSessionRecord session = isGlobalPriorityActiveLocked() ? mGlobalPrioritySession |
| 1822 | : mCurrentFullUserRecord.mPriorityStack.getDefaultVolumeSession(); |
| 1823 | |
| 1824 | boolean preferSuggestedStream = false; |
| 1825 | if (isValidLocalStreamType(suggestedStream) |
| 1826 | && AudioSystem.isStreamActive(suggestedStream, 0)) { |
| 1827 | preferSuggestedStream = true; |
| 1828 | } |
| 1829 | if (DEBUG_KEY_EVENT) { |
| 1830 | Log.d(TAG, "Adjusting " + session + " by " + direction + ". flags=" |
| 1831 | + flags + ", suggestedStream=" + suggestedStream |
| 1832 | + ", preferSuggestedStream=" + preferSuggestedStream); |
| 1833 | } |
| 1834 | if (session == null || preferSuggestedStream) { |
| 1835 | if ((flags & AudioManager.FLAG_ACTIVE_MEDIA_ONLY) != 0 |
| 1836 | && !AudioSystem.isStreamActive(AudioManager.STREAM_MUSIC, 0)) { |
| 1837 | if (DEBUG) { |
| 1838 | Log.d(TAG, "No active session to adjust, skipping media only volume event"); |
| 1839 | } |
| 1840 | return; |
| 1841 | } |
| 1842 | |
| 1843 | // Execute mAudioService.adjustSuggestedStreamVolume() on |
| 1844 | // handler thread of MediaSessionService. |
| 1845 | // This will release the MediaSessionService.mLock sooner and avoid |
| 1846 | // a potential deadlock between MediaSessionService.mLock and |
| 1847 | // ActivityManagerService lock. |
| 1848 | mHandler.post(new Runnable() { |
| 1849 | @Override |
| 1850 | public void run() { |
| 1851 | final String callingOpPackageName; |
| 1852 | final int callingUid; |
| 1853 | if (asSystemService) { |
| 1854 | callingOpPackageName = mContext.getOpPackageName(); |
| 1855 | callingUid = Process.myUid(); |
| 1856 | } else { |
| 1857 | callingOpPackageName = opPackageName; |
| 1858 | callingUid = uid; |
| 1859 | } |
| 1860 | try { |
| 1861 | mAudioManagerInternal.adjustSuggestedStreamVolumeForUid(suggestedStream, |
| 1862 | direction, flags, callingOpPackageName, callingUid); |
| 1863 | } catch (SecurityException | IllegalArgumentException e) { |
| 1864 | Log.e(TAG, "Cannot adjust volume: direction=" + direction |
| 1865 | + ", suggestedStream=" + suggestedStream + ", flags=" + flags |
| 1866 | + ", packageName=" + packageName + ", uid=" + uid |
| 1867 | + ", asSystemService=" + asSystemService, e); |
| 1868 | } |
| 1869 | } |
| 1870 | }); |
| 1871 | } else { |
| 1872 | session.adjustVolume(packageName, opPackageName, pid, uid, null, asSystemService, |
| 1873 | direction, flags, true); |
| 1874 | } |
| 1875 | } |
| 1876 | |
| 1877 | private void handleVoiceKeyEventLocked(String packageName, int pid, int uid, |
| 1878 | boolean asSystemService, KeyEvent keyEvent, boolean needWakeLock) { |
| 1879 | int action = keyEvent.getAction(); |
| 1880 | boolean isLongPress = (keyEvent.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0; |
| 1881 | if (action == KeyEvent.ACTION_DOWN) { |
| 1882 | if (keyEvent.getRepeatCount() == 0) { |
| 1883 | mVoiceButtonDown = true; |
| 1884 | mVoiceButtonHandled = false; |
| 1885 | } else if (mVoiceButtonDown && !mVoiceButtonHandled && isLongPress) { |
| 1886 | mVoiceButtonHandled = true; |
| 1887 | startVoiceInput(needWakeLock); |
| 1888 | } |
| 1889 | } else if (action == KeyEvent.ACTION_UP) { |
| 1890 | if (mVoiceButtonDown) { |
| 1891 | mVoiceButtonDown = false; |
| 1892 | if (!mVoiceButtonHandled && !keyEvent.isCanceled()) { |
| 1893 | // Resend the down then send this event through |
| 1894 | KeyEvent downEvent = KeyEvent.changeAction(keyEvent, KeyEvent.ACTION_DOWN); |
| 1895 | dispatchMediaKeyEventLocked(packageName, pid, uid, asSystemService, |
| 1896 | downEvent, needWakeLock); |
| 1897 | dispatchMediaKeyEventLocked(packageName, pid, uid, asSystemService, |
| 1898 | keyEvent, needWakeLock); |
| 1899 | } |
| 1900 | } |
| 1901 | } |
| 1902 | } |
| 1903 | |
| 1904 | private void dispatchMediaKeyEventLocked(String packageName, int pid, int uid, |
| 1905 | boolean asSystemService, KeyEvent keyEvent, boolean needWakeLock) { |
| 1906 | MediaSessionRecord session = mCurrentFullUserRecord.getMediaButtonSessionLocked(); |
| 1907 | if (session != null) { |
| 1908 | if (DEBUG_KEY_EVENT) { |
| 1909 | Log.d(TAG, "Sending " + keyEvent + " to " + session); |
| 1910 | } |
| 1911 | if (needWakeLock) { |
| 1912 | mKeyEventReceiver.aquireWakeLockLocked(); |
| 1913 | } |
| 1914 | // If we don't need a wakelock use -1 as the id so we won't release it later. |
| 1915 | session.sendMediaButton(packageName, pid, uid, asSystemService, keyEvent, |
| 1916 | needWakeLock ? mKeyEventReceiver.mLastTimeoutId : -1, |
| 1917 | mKeyEventReceiver); |
| 1918 | if (mCurrentFullUserRecord.mCallback != null) { |
| 1919 | try { |
| 1920 | mCurrentFullUserRecord.mCallback.onMediaKeyEventDispatchedToMediaSession( |
Sungsoo Lim | af7d46c | 2019-01-20 10:45:54 +0900 | [diff] [blame] | 1921 | keyEvent, session.getSessionToken()); |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 1922 | } catch (RemoteException e) { |
| 1923 | Log.w(TAG, "Failed to send callback", e); |
| 1924 | } |
| 1925 | } |
| 1926 | } else if (mCurrentFullUserRecord.mLastMediaButtonReceiver != null |
| 1927 | || mCurrentFullUserRecord.mRestoredMediaButtonReceiver != null) { |
| 1928 | if (needWakeLock) { |
| 1929 | mKeyEventReceiver.aquireWakeLockLocked(); |
| 1930 | } |
| 1931 | Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); |
| 1932 | mediaButtonIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| 1933 | mediaButtonIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); |
| 1934 | // TODO: Find a way to also send PID/UID in secure way. |
| 1935 | String callerPackageName = |
| 1936 | (asSystemService) ? mContext.getPackageName() : packageName; |
| 1937 | mediaButtonIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, callerPackageName); |
| 1938 | try { |
| 1939 | if (mCurrentFullUserRecord.mLastMediaButtonReceiver != null) { |
| 1940 | PendingIntent receiver = mCurrentFullUserRecord.mLastMediaButtonReceiver; |
| 1941 | if (DEBUG_KEY_EVENT) { |
| 1942 | Log.d(TAG, "Sending " + keyEvent |
| 1943 | + " to the last known PendingIntent " + receiver); |
| 1944 | } |
| 1945 | receiver.send(mContext, |
| 1946 | needWakeLock ? mKeyEventReceiver.mLastTimeoutId : -1, |
| 1947 | mediaButtonIntent, mKeyEventReceiver, mHandler); |
| 1948 | if (mCurrentFullUserRecord.mCallback != null) { |
| 1949 | ComponentName componentName = mCurrentFullUserRecord |
| 1950 | .mLastMediaButtonReceiver.getIntent().getComponent(); |
| 1951 | if (componentName != null) { |
| 1952 | mCurrentFullUserRecord.mCallback |
| 1953 | .onMediaKeyEventDispatchedToMediaButtonReceiver( |
| 1954 | keyEvent, componentName); |
| 1955 | } |
| 1956 | } |
| 1957 | } else { |
| 1958 | ComponentName receiver = |
| 1959 | mCurrentFullUserRecord.mRestoredMediaButtonReceiver; |
| 1960 | int componentType = mCurrentFullUserRecord |
| 1961 | .mRestoredMediaButtonReceiverComponentType; |
| 1962 | UserHandle userHandle = UserHandle.of(mCurrentFullUserRecord |
| 1963 | .mRestoredMediaButtonReceiverUserId); |
| 1964 | if (DEBUG_KEY_EVENT) { |
| 1965 | Log.d(TAG, "Sending " + keyEvent + " to the restored intent " |
| 1966 | + receiver + ", type=" + componentType); |
| 1967 | } |
| 1968 | mediaButtonIntent.setComponent(receiver); |
| 1969 | try { |
| 1970 | switch (componentType) { |
| 1971 | case FullUserRecord.COMPONENT_TYPE_ACTIVITY: |
| 1972 | mContext.startActivityAsUser(mediaButtonIntent, userHandle); |
| 1973 | break; |
| 1974 | case FullUserRecord.COMPONENT_TYPE_SERVICE: |
| 1975 | mContext.startForegroundServiceAsUser(mediaButtonIntent, |
| 1976 | userHandle); |
| 1977 | break; |
| 1978 | default: |
| 1979 | // Legacy behavior for other cases. |
| 1980 | mContext.sendBroadcastAsUser(mediaButtonIntent, userHandle); |
| 1981 | } |
| 1982 | } catch (Exception e) { |
| 1983 | Log.w(TAG, "Error sending media button to the restored intent " |
| 1984 | + receiver + ", type=" + componentType, e); |
| 1985 | } |
| 1986 | if (mCurrentFullUserRecord.mCallback != null) { |
| 1987 | mCurrentFullUserRecord.mCallback |
| 1988 | .onMediaKeyEventDispatchedToMediaButtonReceiver( |
| 1989 | keyEvent, receiver); |
| 1990 | } |
| 1991 | } |
| 1992 | } catch (CanceledException e) { |
| 1993 | Log.i(TAG, "Error sending key event to media button receiver " |
| 1994 | + mCurrentFullUserRecord.mLastMediaButtonReceiver, e); |
| 1995 | } catch (RemoteException e) { |
| 1996 | Log.w(TAG, "Failed to send callback", e); |
| 1997 | } |
| 1998 | } |
| 1999 | } |
| 2000 | |
| 2001 | private void startVoiceInput(boolean needWakeLock) { |
| 2002 | Intent voiceIntent = null; |
| 2003 | // select which type of search to launch: |
| 2004 | // - screen on and device unlocked: action is ACTION_WEB_SEARCH |
| 2005 | // - device locked or screen off: action is |
| 2006 | // ACTION_VOICE_SEARCH_HANDS_FREE |
| 2007 | // with EXTRA_SECURE set to true if the device is securely locked |
| 2008 | PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| 2009 | boolean isLocked = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); |
| 2010 | if (!isLocked && pm.isScreenOn()) { |
| 2011 | voiceIntent = new Intent(android.speech.RecognizerIntent.ACTION_WEB_SEARCH); |
| 2012 | Log.i(TAG, "voice-based interactions: about to use ACTION_WEB_SEARCH"); |
| 2013 | } else { |
| 2014 | voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE); |
| 2015 | voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, |
| 2016 | isLocked && mKeyguardManager.isKeyguardSecure()); |
| 2017 | Log.i(TAG, "voice-based interactions: about to use ACTION_VOICE_SEARCH_HANDS_FREE"); |
| 2018 | } |
| 2019 | // start the search activity |
| 2020 | if (needWakeLock) { |
| 2021 | mMediaEventWakeLock.acquire(); |
| 2022 | } |
| 2023 | try { |
| 2024 | if (voiceIntent != null) { |
| 2025 | voiceIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| 2026 | | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| 2027 | if (DEBUG) Log.d(TAG, "voiceIntent: " + voiceIntent); |
| 2028 | mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT); |
| 2029 | } |
| 2030 | } catch (ActivityNotFoundException e) { |
| 2031 | Log.w(TAG, "No activity for search: " + e); |
| 2032 | } finally { |
| 2033 | if (needWakeLock) { |
| 2034 | mMediaEventWakeLock.release(); |
| 2035 | } |
| 2036 | } |
| 2037 | } |
| 2038 | |
| 2039 | private boolean isVoiceKey(int keyCode) { |
| 2040 | return keyCode == KeyEvent.KEYCODE_HEADSETHOOK |
| 2041 | || (!mHasFeatureLeanback && keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE); |
| 2042 | } |
| 2043 | |
| 2044 | private boolean isUserSetupComplete() { |
| 2045 | return Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| 2046 | Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0; |
| 2047 | } |
| 2048 | |
| 2049 | // we only handle public stream types, which are 0-5 |
| 2050 | private boolean isValidLocalStreamType(int streamType) { |
| 2051 | return streamType >= AudioManager.STREAM_VOICE_CALL |
| 2052 | && streamType <= AudioManager.STREAM_NOTIFICATION; |
| 2053 | } |
| 2054 | |
| 2055 | private class MediaKeyListenerResultReceiver extends ResultReceiver implements Runnable { |
| 2056 | private final String mPackageName; |
| 2057 | private final int mPid; |
| 2058 | private final int mUid; |
| 2059 | private final boolean mAsSystemService; |
| 2060 | private final KeyEvent mKeyEvent; |
| 2061 | private final boolean mNeedWakeLock; |
| 2062 | private boolean mHandled; |
| 2063 | |
| 2064 | private MediaKeyListenerResultReceiver(String packageName, int pid, int uid, |
| 2065 | boolean asSystemService, KeyEvent keyEvent, boolean needWakeLock) { |
| 2066 | super(mHandler); |
| 2067 | mHandler.postDelayed(this, MEDIA_KEY_LISTENER_TIMEOUT); |
| 2068 | mPackageName = packageName; |
| 2069 | mPid = pid; |
| 2070 | mUid = uid; |
| 2071 | mAsSystemService = asSystemService; |
| 2072 | mKeyEvent = keyEvent; |
| 2073 | mNeedWakeLock = needWakeLock; |
| 2074 | } |
| 2075 | |
| 2076 | @Override |
| 2077 | public void run() { |
| 2078 | Log.d(TAG, "The media key listener is timed-out for " + mKeyEvent); |
| 2079 | dispatchMediaKeyEvent(); |
| 2080 | } |
| 2081 | |
| 2082 | @Override |
| 2083 | protected void onReceiveResult(int resultCode, Bundle resultData) { |
| 2084 | if (resultCode == MediaSessionManager.RESULT_MEDIA_KEY_HANDLED) { |
| 2085 | mHandled = true; |
| 2086 | mHandler.removeCallbacks(this); |
| 2087 | return; |
| 2088 | } |
| 2089 | dispatchMediaKeyEvent(); |
| 2090 | } |
| 2091 | |
| 2092 | private void dispatchMediaKeyEvent() { |
| 2093 | if (mHandled) { |
| 2094 | return; |
| 2095 | } |
| 2096 | mHandled = true; |
| 2097 | mHandler.removeCallbacks(this); |
| 2098 | synchronized (mLock) { |
| 2099 | if (!isGlobalPriorityActiveLocked() |
| 2100 | && isVoiceKey(mKeyEvent.getKeyCode())) { |
| 2101 | handleVoiceKeyEventLocked(mPackageName, mPid, mUid, mAsSystemService, |
| 2102 | mKeyEvent, mNeedWakeLock); |
| 2103 | } else { |
| 2104 | dispatchMediaKeyEventLocked(mPackageName, mPid, mUid, mAsSystemService, |
| 2105 | mKeyEvent, mNeedWakeLock); |
| 2106 | } |
| 2107 | } |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | private KeyEventWakeLockReceiver mKeyEventReceiver = new KeyEventWakeLockReceiver(mHandler); |
| 2112 | |
| 2113 | class KeyEventWakeLockReceiver extends ResultReceiver implements Runnable, |
| 2114 | PendingIntent.OnFinished { |
| 2115 | private final Handler mHandler; |
| 2116 | private int mRefCount = 0; |
| 2117 | private int mLastTimeoutId = 0; |
| 2118 | |
| 2119 | KeyEventWakeLockReceiver(Handler handler) { |
| 2120 | super(handler); |
| 2121 | mHandler = handler; |
| 2122 | } |
| 2123 | |
| 2124 | public void onTimeout() { |
| 2125 | synchronized (mLock) { |
| 2126 | if (mRefCount == 0) { |
| 2127 | // We've already released it, so just return |
| 2128 | return; |
| 2129 | } |
| 2130 | mLastTimeoutId++; |
| 2131 | mRefCount = 0; |
| 2132 | releaseWakeLockLocked(); |
| 2133 | } |
| 2134 | } |
| 2135 | |
| 2136 | public void aquireWakeLockLocked() { |
| 2137 | if (mRefCount == 0) { |
| 2138 | mMediaEventWakeLock.acquire(); |
| 2139 | } |
| 2140 | mRefCount++; |
| 2141 | mHandler.removeCallbacks(this); |
| 2142 | mHandler.postDelayed(this, WAKELOCK_TIMEOUT); |
| 2143 | |
| 2144 | } |
| 2145 | |
| 2146 | @Override |
| 2147 | public void run() { |
| 2148 | onTimeout(); |
| 2149 | } |
| 2150 | |
| 2151 | @Override |
| 2152 | protected void onReceiveResult(int resultCode, Bundle resultData) { |
| 2153 | if (resultCode < mLastTimeoutId) { |
| 2154 | // Ignore results from calls that were before the last |
| 2155 | // timeout, just in case. |
| 2156 | return; |
| 2157 | } else { |
| 2158 | synchronized (mLock) { |
| 2159 | if (mRefCount > 0) { |
| 2160 | mRefCount--; |
| 2161 | if (mRefCount == 0) { |
| 2162 | releaseWakeLockLocked(); |
| 2163 | } |
| 2164 | } |
| 2165 | } |
| 2166 | } |
| 2167 | } |
| 2168 | |
| 2169 | private void releaseWakeLockLocked() { |
| 2170 | mMediaEventWakeLock.release(); |
| 2171 | mHandler.removeCallbacks(this); |
| 2172 | } |
| 2173 | |
| 2174 | @Override |
| 2175 | public void onSendFinished(PendingIntent pendingIntent, Intent intent, int resultCode, |
| 2176 | String resultData, Bundle resultExtras) { |
| 2177 | onReceiveResult(resultCode, null); |
| 2178 | } |
| 2179 | }; |
| 2180 | |
| 2181 | BroadcastReceiver mKeyEventDone = new BroadcastReceiver() { |
| 2182 | @Override |
| 2183 | public void onReceive(Context context, Intent intent) { |
| 2184 | if (intent == null) { |
| 2185 | return; |
| 2186 | } |
| 2187 | Bundle extras = intent.getExtras(); |
| 2188 | if (extras == null) { |
| 2189 | return; |
| 2190 | } |
| 2191 | synchronized (mLock) { |
| 2192 | if (extras.containsKey(EXTRA_WAKELOCK_ACQUIRED) |
| 2193 | && mMediaEventWakeLock.isHeld()) { |
| 2194 | mMediaEventWakeLock.release(); |
| 2195 | } |
| 2196 | } |
| 2197 | } |
| 2198 | }; |
| 2199 | } |
| 2200 | |
| 2201 | final class MessageHandler extends Handler { |
| 2202 | private static final int MSG_SESSIONS_CHANGED = 1; |
| 2203 | private static final int MSG_VOLUME_INITIAL_DOWN = 2; |
| 2204 | private final SparseArray<Integer> mIntegerCache = new SparseArray<>(); |
| 2205 | |
| 2206 | @Override |
| 2207 | public void handleMessage(Message msg) { |
| 2208 | switch (msg.what) { |
| 2209 | case MSG_SESSIONS_CHANGED: |
| 2210 | pushSessionsChanged((int) msg.obj); |
| 2211 | break; |
| 2212 | case MSG_VOLUME_INITIAL_DOWN: |
| 2213 | synchronized (mLock) { |
| 2214 | FullUserRecord user = mUserRecords.get((int) msg.arg1); |
| 2215 | if (user != null && user.mInitialDownVolumeKeyEvent != null) { |
| 2216 | dispatchVolumeKeyLongPressLocked(user.mInitialDownVolumeKeyEvent); |
| 2217 | // Mark that the key is already handled. |
| 2218 | user.mInitialDownVolumeKeyEvent = null; |
| 2219 | } |
| 2220 | } |
| 2221 | break; |
| 2222 | } |
| 2223 | } |
| 2224 | |
| 2225 | public void postSessionsChanged(int userId) { |
| 2226 | // Use object instead of the arguments when posting message to remove pending requests. |
| 2227 | Integer userIdInteger = mIntegerCache.get(userId); |
| 2228 | if (userIdInteger == null) { |
| 2229 | userIdInteger = Integer.valueOf(userId); |
| 2230 | mIntegerCache.put(userId, userIdInteger); |
| 2231 | } |
| 2232 | removeMessages(MSG_SESSIONS_CHANGED, userIdInteger); |
| 2233 | obtainMessage(MSG_SESSIONS_CHANGED, userIdInteger).sendToTarget(); |
| 2234 | } |
| 2235 | } |
Hyundo Moon | ff36c48 | 2019-01-31 02:28:20 +0000 | [diff] [blame] | 2236 | |
| 2237 | private class Controller2Callback extends MediaController2.ControllerCallback { |
| 2238 | private final Session2Token mToken; |
| 2239 | |
| 2240 | Controller2Callback(Session2Token token) { |
| 2241 | mToken = token; |
| 2242 | } |
| 2243 | |
| 2244 | @Override |
| 2245 | public void onConnected(MediaController2 controller, Session2CommandGroup allowedCommands) { |
| 2246 | synchronized (mLock) { |
| 2247 | int userId = UserHandle.getUserId(mToken.getUid()); |
| 2248 | mSession2TokensPerUser.get(userId).add(mToken); |
| 2249 | pushSession2TokensChangedLocked(userId); |
| 2250 | } |
| 2251 | } |
| 2252 | |
| 2253 | @Override |
| 2254 | public void onDisconnected(MediaController2 controller) { |
| 2255 | synchronized (mLock) { |
| 2256 | int userId = UserHandle.getUserId(mToken.getUid()); |
| 2257 | mSession2TokensPerUser.get(userId).remove(mToken); |
| 2258 | pushSession2TokensChangedLocked(userId); |
| 2259 | } |
| 2260 | } |
| 2261 | } |
Sungsoo Lim | d8b978d | 2019-01-15 20:55:22 +0900 | [diff] [blame] | 2262 | } |