AudioService.java revision 2f4423043ffeaf232ec984be03743326f08cdc8a
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.media; 18 19import static android.Manifest.permission.REMOTE_AUDIO_PLAYBACK; 20import static android.media.AudioManager.RINGER_MODE_NORMAL; 21import static android.media.AudioManager.RINGER_MODE_SILENT; 22import static android.media.AudioManager.RINGER_MODE_VIBRATE; 23 24import android.app.Activity; 25import android.app.ActivityManagerNative; 26import android.app.KeyguardManager; 27import android.app.PendingIntent; 28import android.app.PendingIntent.CanceledException; 29import android.app.PendingIntent.OnFinished; 30import android.bluetooth.BluetoothA2dp; 31import android.bluetooth.BluetoothAdapter; 32import android.bluetooth.BluetoothClass; 33import android.bluetooth.BluetoothDevice; 34import android.bluetooth.BluetoothHeadset; 35import android.bluetooth.BluetoothProfile; 36import android.content.ActivityNotFoundException; 37import android.content.BroadcastReceiver; 38import android.content.ComponentName; 39import android.content.ContentResolver; 40import android.content.Context; 41import android.content.Intent; 42import android.content.IntentFilter; 43import android.content.pm.PackageManager; 44import android.content.res.Configuration; 45import android.database.ContentObserver; 46import android.media.MediaPlayer.OnCompletionListener; 47import android.media.MediaPlayer.OnErrorListener; 48import android.os.Binder; 49import android.os.Bundle; 50import android.os.Environment; 51import android.os.Handler; 52import android.os.IBinder; 53import android.os.Looper; 54import android.os.Message; 55import android.os.PowerManager; 56import android.os.RemoteCallbackList; 57import android.os.RemoteException; 58import android.os.ServiceManager; 59import android.os.SystemProperties; 60import android.os.Vibrator; 61import android.provider.Settings; 62import android.provider.Settings.System; 63import android.speech.RecognizerIntent; 64import android.telephony.PhoneStateListener; 65import android.telephony.TelephonyManager; 66import android.text.TextUtils; 67import android.util.Log; 68import android.view.KeyEvent; 69import android.view.VolumePanel; 70 71import com.android.internal.telephony.ITelephony; 72 73import java.io.FileDescriptor; 74import java.io.IOException; 75import java.io.PrintWriter; 76import java.util.ArrayList; 77import java.util.concurrent.ConcurrentHashMap; 78import java.util.HashMap; 79import java.util.Iterator; 80import java.util.List; 81import java.util.Map; 82import java.util.NoSuchElementException; 83import java.util.Set; 84import java.util.Stack; 85 86/** 87 * The implementation of the volume manager service. 88 * <p> 89 * This implementation focuses on delivering a responsive UI. Most methods are 90 * asynchronous to external calls. For example, the task of setting a volume 91 * will update our internal state, but in a separate thread will set the system 92 * volume and later persist to the database. Similarly, setting the ringer mode 93 * will update the state and broadcast a change and in a separate thread later 94 * persist the ringer mode. 95 * 96 * @hide 97 */ 98public class AudioService extends IAudioService.Stub implements OnFinished { 99 100 private static final String TAG = "AudioService"; 101 102 /** Debug remote control client/display feature */ 103 protected static final boolean DEBUG_RC = false; 104 /** Debug volumes */ 105 protected static final boolean DEBUG_VOL = false; 106 107 /** How long to delay before persisting a change in volume/ringer mode. */ 108 private static final int PERSIST_DELAY = 500; 109 110 private Context mContext; 111 private ContentResolver mContentResolver; 112 private boolean mVoiceCapable; 113 114 /** The UI */ 115 private VolumePanel mVolumePanel; 116 117 // sendMsg() flags 118 /** If the msg is already queued, replace it with this one. */ 119 private static final int SENDMSG_REPLACE = 0; 120 /** If the msg is already queued, ignore this one and leave the old. */ 121 private static final int SENDMSG_NOOP = 1; 122 /** If the msg is already queued, queue this one and leave the old. */ 123 private static final int SENDMSG_QUEUE = 2; 124 125 // AudioHandler messages 126 private static final int MSG_SET_DEVICE_VOLUME = 0; 127 private static final int MSG_PERSIST_VOLUME = 1; 128 private static final int MSG_PERSIST_MASTER_VOLUME = 2; 129 private static final int MSG_PERSIST_RINGER_MODE = 3; 130 private static final int MSG_MEDIA_SERVER_DIED = 4; 131 private static final int MSG_MEDIA_SERVER_STARTED = 5; 132 private static final int MSG_PLAY_SOUND_EFFECT = 6; 133 private static final int MSG_BTA2DP_DOCK_TIMEOUT = 7; 134 private static final int MSG_LOAD_SOUND_EFFECTS = 8; 135 private static final int MSG_SET_FORCE_USE = 9; 136 private static final int MSG_PERSIST_MEDIABUTTONRECEIVER = 10; 137 private static final int MSG_BT_HEADSET_CNCT_FAILED = 11; 138 private static final int MSG_RCDISPLAY_CLEAR = 12; 139 private static final int MSG_RCDISPLAY_UPDATE = 13; 140 private static final int MSG_SET_ALL_VOLUMES = 14; 141 private static final int MSG_PERSIST_MASTER_VOLUME_MUTE = 15; 142 private static final int MSG_REPORT_NEW_ROUTES = 16; 143 private static final int MSG_REEVALUATE_REMOTE = 17; 144 // start of messages handled under wakelock 145 // these messages can only be queued, i.e. sent with queueMsgUnderWakeLock(), 146 // and not with sendMsg(..., ..., SENDMSG_QUEUE, ...) 147 private static final int MSG_SET_WIRED_DEVICE_CONNECTION_STATE = 18; 148 private static final int MSG_SET_A2DP_CONNECTION_STATE = 19; 149 // end of messages handled under wakelock 150 151 // flags for MSG_PERSIST_VOLUME indicating if current and/or last audible volume should be 152 // persisted 153 private static final int PERSIST_CURRENT = 0x1; 154 private static final int PERSIST_LAST_AUDIBLE = 0x2; 155 156 private static final int BTA2DP_DOCK_TIMEOUT_MILLIS = 8000; 157 // Timeout for connection to bluetooth headset service 158 private static final int BT_HEADSET_CNCT_TIMEOUT_MS = 3000; 159 160 /** @see AudioSystemThread */ 161 private AudioSystemThread mAudioSystemThread; 162 /** @see AudioHandler */ 163 private AudioHandler mAudioHandler; 164 /** @see VolumeStreamState */ 165 private VolumeStreamState[] mStreamStates; 166 private SettingsObserver mSettingsObserver; 167 168 private int mMode; 169 // protects mRingerMode 170 private final Object mSettingsLock = new Object(); 171 172 private boolean mMediaServerOk; 173 174 private SoundPool mSoundPool; 175 private final Object mSoundEffectsLock = new Object(); 176 private static final int NUM_SOUNDPOOL_CHANNELS = 4; 177 178 // Internally master volume is a float in the 0.0 - 1.0 range, 179 // but to support integer based AudioManager API we translate it to 0 - 100 180 private static final int MAX_MASTER_VOLUME = 100; 181 182 // Maximum volume adjust steps allowed in a single batch call. 183 private static final int MAX_BATCH_VOLUME_ADJUST_STEPS = 4; 184 185 /* Sound effect file names */ 186 private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/"; 187 private static final String[] SOUND_EFFECT_FILES = new String[] { 188 "Effect_Tick.ogg", 189 "KeypressStandard.ogg", 190 "KeypressSpacebar.ogg", 191 "KeypressDelete.ogg", 192 "KeypressReturn.ogg" 193 }; 194 195 /* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to 196 * file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect 197 * uses soundpool (second column) */ 198 private final int[][] SOUND_EFFECT_FILES_MAP = new int[][] { 199 {0, -1}, // FX_KEY_CLICK 200 {0, -1}, // FX_FOCUS_NAVIGATION_UP 201 {0, -1}, // FX_FOCUS_NAVIGATION_DOWN 202 {0, -1}, // FX_FOCUS_NAVIGATION_LEFT 203 {0, -1}, // FX_FOCUS_NAVIGATION_RIGHT 204 {1, -1}, // FX_KEYPRESS_STANDARD 205 {2, -1}, // FX_KEYPRESS_SPACEBAR 206 {3, -1}, // FX_FOCUS_DELETE 207 {4, -1} // FX_FOCUS_RETURN 208 }; 209 210 /** @hide Maximum volume index values for audio streams */ 211 private final int[] MAX_STREAM_VOLUME = new int[] { 212 5, // STREAM_VOICE_CALL 213 7, // STREAM_SYSTEM 214 7, // STREAM_RING 215 15, // STREAM_MUSIC 216 7, // STREAM_ALARM 217 7, // STREAM_NOTIFICATION 218 15, // STREAM_BLUETOOTH_SCO 219 7, // STREAM_SYSTEM_ENFORCED 220 15, // STREAM_DTMF 221 15 // STREAM_TTS 222 }; 223 /* mStreamVolumeAlias[] indicates for each stream if it uses the volume settings 224 * of another stream: This avoids multiplying the volume settings for hidden 225 * stream types that follow other stream behavior for volume settings 226 * NOTE: do not create loops in aliases! 227 * Some streams alias to different streams according to device category (phone or tablet) or 228 * use case (in call s off call...).See updateStreamVolumeAlias() for more details 229 * mStreamVolumeAlias contains the default aliases for a voice capable device (phone) and 230 * STREAM_VOLUME_ALIAS_NON_VOICE for a non voice capable device (tablet).*/ 231 private final int[] STREAM_VOLUME_ALIAS = new int[] { 232 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 233 AudioSystem.STREAM_RING, // STREAM_SYSTEM 234 AudioSystem.STREAM_RING, // STREAM_RING 235 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 236 AudioSystem.STREAM_ALARM, // STREAM_ALARM 237 AudioSystem.STREAM_RING, // STREAM_NOTIFICATION 238 AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO 239 AudioSystem.STREAM_RING, // STREAM_SYSTEM_ENFORCED 240 AudioSystem.STREAM_RING, // STREAM_DTMF 241 AudioSystem.STREAM_MUSIC // STREAM_TTS 242 }; 243 private final int[] STREAM_VOLUME_ALIAS_NON_VOICE = new int[] { 244 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 245 AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM 246 AudioSystem.STREAM_RING, // STREAM_RING 247 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 248 AudioSystem.STREAM_ALARM, // STREAM_ALARM 249 AudioSystem.STREAM_RING, // STREAM_NOTIFICATION 250 AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO 251 AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM_ENFORCED 252 AudioSystem.STREAM_MUSIC, // STREAM_DTMF 253 AudioSystem.STREAM_MUSIC // STREAM_TTS 254 }; 255 private int[] mStreamVolumeAlias; 256 257 // stream names used by dumpStreamStates() 258 private final String[] STREAM_NAMES = new String[] { 259 "STREAM_VOICE_CALL", 260 "STREAM_SYSTEM", 261 "STREAM_RING", 262 "STREAM_MUSIC", 263 "STREAM_ALARM", 264 "STREAM_NOTIFICATION", 265 "STREAM_BLUETOOTH_SCO", 266 "STREAM_SYSTEM_ENFORCED", 267 "STREAM_DTMF", 268 "STREAM_TTS" 269 }; 270 271 private final AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { 272 public void onError(int error) { 273 switch (error) { 274 case AudioSystem.AUDIO_STATUS_SERVER_DIED: 275 if (mMediaServerOk) { 276 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0, 277 null, 1500); 278 mMediaServerOk = false; 279 } 280 break; 281 case AudioSystem.AUDIO_STATUS_OK: 282 if (!mMediaServerOk) { 283 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_STARTED, SENDMSG_NOOP, 0, 0, 284 null, 0); 285 mMediaServerOk = true; 286 } 287 break; 288 default: 289 break; 290 } 291 } 292 }; 293 294 /** 295 * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, 296 * {@link AudioManager#RINGER_MODE_SILENT}, or 297 * {@link AudioManager#RINGER_MODE_VIBRATE}. 298 */ 299 // protected by mSettingsLock 300 private int mRingerMode; 301 302 /** @see System#MODE_RINGER_STREAMS_AFFECTED */ 303 private int mRingerModeAffectedStreams; 304 305 // Streams currently muted by ringer mode 306 private int mRingerModeMutedStreams; 307 308 /** @see System#MUTE_STREAMS_AFFECTED */ 309 private int mMuteAffectedStreams; 310 311 /** 312 * NOTE: setVibrateSetting(), getVibrateSetting(), shouldVibrate() are deprecated. 313 * mVibrateSetting is just maintained during deprecation period but vibration policy is 314 * now only controlled by mHasVibrator and mRingerMode 315 */ 316 private int mVibrateSetting; 317 318 // Is there a vibrator 319 private final boolean mHasVibrator; 320 321 // Broadcast receiver for device connections intent broadcasts 322 private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); 323 324 // Used to alter media button redirection when the phone is ringing. 325 private boolean mIsRinging = false; 326 327 // Devices currently connected 328 private final HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>(); 329 330 // Forced device usage for communications 331 private int mForcedUseForComm; 332 333 // True if we have master volume support 334 private final boolean mUseMasterVolume; 335 336 private final int[] mMasterVolumeRamp; 337 338 // List of binder death handlers for setMode() client processes. 339 // The last process to have called setMode() is at the top of the list. 340 private final ArrayList <SetModeDeathHandler> mSetModeDeathHandlers = new ArrayList <SetModeDeathHandler>(); 341 342 // List of clients having issued a SCO start request 343 private final ArrayList <ScoClient> mScoClients = new ArrayList <ScoClient>(); 344 345 // BluetoothHeadset API to control SCO connection 346 private BluetoothHeadset mBluetoothHeadset; 347 348 // Bluetooth headset device 349 private BluetoothDevice mBluetoothHeadsetDevice; 350 351 // Indicate if SCO audio connection is currently active and if the initiator is 352 // audio service (internal) or bluetooth headset (external) 353 private int mScoAudioState; 354 // SCO audio state is not active 355 private static final int SCO_STATE_INACTIVE = 0; 356 // SCO audio activation request waiting for headset service to connect 357 private static final int SCO_STATE_ACTIVATE_REQ = 1; 358 // SCO audio state is active or starting due to a local request to start a virtual call 359 private static final int SCO_STATE_ACTIVE_INTERNAL = 3; 360 // SCO audio deactivation request waiting for headset service to connect 361 private static final int SCO_STATE_DEACTIVATE_REQ = 5; 362 363 // SCO audio state is active due to an action in BT handsfree (either voice recognition or 364 // in call audio) 365 private static final int SCO_STATE_ACTIVE_EXTERNAL = 2; 366 // Deactivation request for all SCO connections (initiated by audio mode change) 367 // waiting for headset service to connect 368 private static final int SCO_STATE_DEACTIVATE_EXT_REQ = 4; 369 370 // Current connection state indicated by bluetooth headset 371 private int mScoConnectionState; 372 373 // true if boot sequence has been completed 374 private boolean mBootCompleted; 375 // listener for SoundPool sample load completion indication 376 private SoundPoolCallback mSoundPoolCallBack; 377 // thread for SoundPool listener 378 private SoundPoolListenerThread mSoundPoolListenerThread; 379 // message looper for SoundPool listener 380 private Looper mSoundPoolLooper = null; 381 // volume applied to sound played with playSoundEffect() 382 private static int SOUND_EFFECT_VOLUME_DB; 383 // getActiveStreamType() will return STREAM_NOTIFICATION during this period after a notification 384 // stopped 385 private static final int NOTIFICATION_VOLUME_DELAY_MS = 5000; 386 // previous volume adjustment direction received by checkForRingerModeChange() 387 private int mPrevVolDirection = AudioManager.ADJUST_SAME; 388 // Keyguard manager proxy 389 private KeyguardManager mKeyguardManager; 390 // mVolumeControlStream is set by VolumePanel to temporarily force the stream type which volume 391 // is controlled by Vol keys. 392 private int mVolumeControlStream = -1; 393 private final Object mForceControlStreamLock = new Object(); 394 // VolumePanel is currently the only client of forceVolumeControlStream() and runs in system 395 // server process so in theory it is not necessary to monitor the client death. 396 // However it is good to be ready for future evolutions. 397 private ForceControlStreamClient mForceControlStreamClient = null; 398 // Used to play ringtones outside system_server 399 private volatile IRingtonePlayer mRingtonePlayer; 400 401 private int mDeviceOrientation = Configuration.ORIENTATION_UNDEFINED; 402 403 // Request to override default use of A2DP for media. 404 private boolean mBluetoothA2dpEnabled; 405 private final Object mBluetoothA2dpEnabledLock = new Object(); 406 407 // Monitoring of audio routes. Protected by mCurAudioRoutes. 408 final AudioRoutesInfo mCurAudioRoutes = new AudioRoutesInfo(); 409 final RemoteCallbackList<IAudioRoutesObserver> mRoutesObservers 410 = new RemoteCallbackList<IAudioRoutesObserver>(); 411 412 /** 413 * A fake stream type to match the notion of remote media playback 414 */ 415 public final static int STREAM_REMOTE_MUSIC = -200; 416 417 /////////////////////////////////////////////////////////////////////////// 418 // Construction 419 /////////////////////////////////////////////////////////////////////////// 420 421 /** @hide */ 422 public AudioService(Context context) { 423 mContext = context; 424 mContentResolver = context.getContentResolver(); 425 mVoiceCapable = mContext.getResources().getBoolean( 426 com.android.internal.R.bool.config_voice_capable); 427 428 PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 429 mMediaEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleMediaEvent"); 430 431 Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); 432 mHasVibrator = vibrator == null ? false : vibrator.hasVibrator(); 433 434 // Intialized volume 435 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = SystemProperties.getInt( 436 "ro.config.vc_call_vol_steps", 437 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]); 438 439 SOUND_EFFECT_VOLUME_DB = context.getResources().getInteger( 440 com.android.internal.R.integer.config_soundEffectVolumeDb); 441 442 mVolumePanel = new VolumePanel(context, this); 443 mMode = AudioSystem.MODE_NORMAL; 444 mForcedUseForComm = AudioSystem.FORCE_NONE; 445 createAudioSystemThread(); 446 readPersistedSettings(); 447 mSettingsObserver = new SettingsObserver(); 448 updateStreamVolumeAlias(false /*updateVolumes*/); 449 createStreamStates(); 450 451 mMediaServerOk = true; 452 453 // Call setRingerModeInt() to apply correct mute 454 // state on streams affected by ringer mode. 455 mRingerModeMutedStreams = 0; 456 setRingerModeInt(getRingerMode(), false); 457 458 AudioSystem.setErrorCallback(mAudioSystemCallback); 459 460 // Register for device connection intent broadcasts. 461 IntentFilter intentFilter = 462 new IntentFilter(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); 463 intentFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED); 464 intentFilter.addAction(Intent.ACTION_DOCK_EVENT); 465 intentFilter.addAction(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG); 466 intentFilter.addAction(Intent.ACTION_USB_AUDIO_DEVICE_PLUG); 467 intentFilter.addAction(Intent.ACTION_BOOT_COMPLETED); 468 intentFilter.addAction(Intent.ACTION_SCREEN_ON); 469 intentFilter.addAction(Intent.ACTION_SCREEN_OFF); 470 471 // Register a configuration change listener only if requested by system properties 472 // to monitor orientation changes (off by default) 473 if (SystemProperties.getBoolean("ro.audio.monitorOrientation", false)) { 474 Log.v(TAG, "monitoring device orientation"); 475 intentFilter.addAction(Intent.ACTION_CONFIGURATION_CHANGED); 476 // initialize orientation in AudioSystem 477 setOrientationForAudioSystem(); 478 } 479 480 context.registerReceiver(mReceiver, intentFilter); 481 482 // Register for package removal intent broadcasts for media button receiver persistence 483 IntentFilter pkgFilter = new IntentFilter(); 484 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 485 pkgFilter.addDataScheme("package"); 486 context.registerReceiver(mReceiver, pkgFilter); 487 488 // Register for phone state monitoring 489 TelephonyManager tmgr = (TelephonyManager) 490 context.getSystemService(Context.TELEPHONY_SERVICE); 491 tmgr.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); 492 493 mUseMasterVolume = context.getResources().getBoolean( 494 com.android.internal.R.bool.config_useMasterVolume); 495 restoreMasterVolume(); 496 497 mMasterVolumeRamp = context.getResources().getIntArray( 498 com.android.internal.R.array.config_masterVolumeRamp); 499 500 mMainRemote = new RemotePlaybackState(-1, MAX_STREAM_VOLUME[AudioManager.STREAM_MUSIC], 501 MAX_STREAM_VOLUME[AudioManager.STREAM_MUSIC]); 502 mHasRemotePlayback = false; 503 mMainRemoteIsActive = false; 504 postReevaluateRemote(); 505 } 506 507 private void createAudioSystemThread() { 508 mAudioSystemThread = new AudioSystemThread(); 509 mAudioSystemThread.start(); 510 waitForAudioHandlerCreation(); 511 } 512 513 /** Waits for the volume handler to be created by the other thread. */ 514 private void waitForAudioHandlerCreation() { 515 synchronized(this) { 516 while (mAudioHandler == null) { 517 try { 518 // Wait for mAudioHandler to be set by the other thread 519 wait(); 520 } catch (InterruptedException e) { 521 Log.e(TAG, "Interrupted while waiting on volume handler."); 522 } 523 } 524 } 525 } 526 527 private void checkAllAliasStreamVolumes() { 528 int numStreamTypes = AudioSystem.getNumStreamTypes(); 529 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 530 if (streamType != mStreamVolumeAlias[streamType]) { 531 mStreamStates[streamType]. 532 setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]], 533 false /*lastAudible*/); 534 mStreamStates[streamType]. 535 setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]], 536 true /*lastAudible*/); 537 } 538 // apply stream volume 539 if (mStreamStates[streamType].muteCount() == 0) { 540 mStreamStates[streamType].applyAllVolumes(); 541 } 542 } 543 } 544 545 private void createStreamStates() { 546 int numStreamTypes = AudioSystem.getNumStreamTypes(); 547 VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; 548 549 for (int i = 0; i < numStreamTypes; i++) { 550 streams[i] = new VolumeStreamState(System.VOLUME_SETTINGS[mStreamVolumeAlias[i]], i); 551 } 552 553 checkAllAliasStreamVolumes(); 554 } 555 556 private void dumpStreamStates(PrintWriter pw) { 557 pw.println("\nStream volumes (device: index)"); 558 int numStreamTypes = AudioSystem.getNumStreamTypes(); 559 for (int i = 0; i < numStreamTypes; i++) { 560 pw.println("- "+STREAM_NAMES[i]+":"); 561 mStreamStates[i].dump(pw); 562 pw.println(""); 563 } 564 } 565 566 567 private void updateStreamVolumeAlias(boolean updateVolumes) { 568 int dtmfStreamAlias; 569 if (mVoiceCapable) { 570 mStreamVolumeAlias = STREAM_VOLUME_ALIAS; 571 dtmfStreamAlias = AudioSystem.STREAM_RING; 572 } else { 573 mStreamVolumeAlias = STREAM_VOLUME_ALIAS_NON_VOICE; 574 dtmfStreamAlias = AudioSystem.STREAM_MUSIC; 575 } 576 if (isInCommunication()) { 577 dtmfStreamAlias = AudioSystem.STREAM_VOICE_CALL; 578 } 579 mStreamVolumeAlias[AudioSystem.STREAM_DTMF] = dtmfStreamAlias; 580 if (updateVolumes) { 581 mStreamStates[AudioSystem.STREAM_DTMF].setAllIndexes(mStreamStates[dtmfStreamAlias], 582 false /*lastAudible*/); 583 mStreamStates[AudioSystem.STREAM_DTMF].setAllIndexes(mStreamStates[dtmfStreamAlias], 584 true /*lastAudible*/); 585 sendMsg(mAudioHandler, 586 MSG_SET_ALL_VOLUMES, 587 SENDMSG_QUEUE, 588 0, 589 0, 590 mStreamStates[AudioSystem.STREAM_DTMF], 0); 591 } 592 } 593 594 private void readPersistedSettings() { 595 final ContentResolver cr = mContentResolver; 596 597 int ringerModeFromSettings = 598 System.getInt(cr, System.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); 599 int ringerMode = ringerModeFromSettings; 600 // sanity check in case the settings are restored from a device with incompatible 601 // ringer modes 602 if (!AudioManager.isValidRingerMode(ringerMode)) { 603 ringerMode = AudioManager.RINGER_MODE_NORMAL; 604 } 605 if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) { 606 ringerMode = AudioManager.RINGER_MODE_SILENT; 607 } 608 if (ringerMode != ringerModeFromSettings) { 609 System.putInt(cr, System.MODE_RINGER, ringerMode); 610 } 611 synchronized(mSettingsLock) { 612 mRingerMode = ringerMode; 613 } 614 615 // System.VIBRATE_ON is not used any more but defaults for mVibrateSetting 616 // are still needed while setVibrateSetting() and getVibrateSetting() are being deprecated. 617 mVibrateSetting = getValueForVibrateSetting(0, 618 AudioManager.VIBRATE_TYPE_NOTIFICATION, 619 mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT 620 : AudioManager.VIBRATE_SETTING_OFF); 621 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, 622 AudioManager.VIBRATE_TYPE_RINGER, 623 mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT 624 : AudioManager.VIBRATE_SETTING_OFF); 625 626 // make sure settings for ringer mode are consistent with device type: non voice capable 627 // devices (tablets) include media stream in silent mode whereas phones don't. 628 mRingerModeAffectedStreams = Settings.System.getInt(cr, 629 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 630 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 631 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 632 if (mVoiceCapable) { 633 mRingerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); 634 } else { 635 mRingerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); 636 } 637 Settings.System.putInt(cr, 638 Settings.System.MODE_RINGER_STREAMS_AFFECTED, mRingerModeAffectedStreams); 639 640 mMuteAffectedStreams = System.getInt(cr, 641 System.MUTE_STREAMS_AFFECTED, 642 ((1 << AudioSystem.STREAM_MUSIC)|(1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_SYSTEM))); 643 644 boolean masterMute = System.getInt(cr, System.VOLUME_MASTER_MUTE, 0) == 1; 645 AudioSystem.setMasterMute(masterMute); 646 broadcastMasterMuteStatus(masterMute); 647 648 // Each stream will read its own persisted settings 649 650 // Broadcast the sticky intent 651 broadcastRingerMode(ringerMode); 652 653 // Broadcast vibrate settings 654 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); 655 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); 656 657 // Restore the default media button receiver from the system settings 658 restoreMediaButtonReceiver(); 659 } 660 661 private int rescaleIndex(int index, int srcStream, int dstStream) { 662 return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex(); 663 } 664 665 /////////////////////////////////////////////////////////////////////////// 666 // IPC methods 667 /////////////////////////////////////////////////////////////////////////// 668 669 /** @see AudioManager#adjustVolume(int, int) */ 670 public void adjustVolume(int direction, int flags) { 671 adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags); 672 } 673 674 /** @see AudioManager#adjustLocalOrRemoteStreamVolume(int, int) with current assumption 675 * on streamType: fixed to STREAM_MUSIC */ 676 public void adjustLocalOrRemoteStreamVolume(int streamType, int direction) { 677 if (DEBUG_VOL) Log.d(TAG, "adjustLocalOrRemoteStreamVolume(dir="+direction+")"); 678 if (checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) { 679 adjustRemoteVolume(AudioSystem.STREAM_MUSIC, direction, 0); 680 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 681 adjustStreamVolume(AudioSystem.STREAM_MUSIC, direction, 0); 682 } 683 } 684 685 /** @see AudioManager#adjustVolume(int, int, int) */ 686 public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { 687 if (DEBUG_VOL) Log.d(TAG, "adjustSuggestedStreamVolume() stream="+suggestedStreamType); 688 int streamType; 689 if (mVolumeControlStream != -1) { 690 streamType = mVolumeControlStream; 691 } else { 692 streamType = getActiveStreamType(suggestedStreamType); 693 } 694 695 // Play sounds on STREAM_RING only and if lock screen is not on. 696 if ((streamType != STREAM_REMOTE_MUSIC) && 697 (flags & AudioManager.FLAG_PLAY_SOUND) != 0 && 698 ((mStreamVolumeAlias[streamType] != AudioSystem.STREAM_RING) 699 || (mKeyguardManager != null && mKeyguardManager.isKeyguardLocked()))) { 700 flags &= ~AudioManager.FLAG_PLAY_SOUND; 701 } 702 703 if (streamType == STREAM_REMOTE_MUSIC) { 704 // don't play sounds for remote 705 flags &= ~AudioManager.FLAG_PLAY_SOUND; 706 //if (DEBUG_VOL) Log.i(TAG, "Need to adjust remote volume: calling adjustRemoteVolume()"); 707 adjustRemoteVolume(AudioSystem.STREAM_MUSIC, direction, flags); 708 } else { 709 adjustStreamVolume(streamType, direction, flags); 710 } 711 } 712 713 /** @see AudioManager#adjustStreamVolume(int, int, int) */ 714 public void adjustStreamVolume(int streamType, int direction, int flags) { 715 if (DEBUG_VOL) Log.d(TAG, "adjustStreamVolume() stream="+streamType+", dir="+direction); 716 717 ensureValidDirection(direction); 718 ensureValidStreamType(streamType); 719 720 // use stream type alias here so that streams with same alias have the same behavior, 721 // including with regard to silent mode control (e.g the use of STREAM_RING below and in 722 // checkForRingerModeChange() in place of STREAM_RING or STREAM_NOTIFICATION) 723 int streamTypeAlias = mStreamVolumeAlias[streamType]; 724 VolumeStreamState streamState = mStreamStates[streamTypeAlias]; 725 726 final int device = getDeviceForStream(streamTypeAlias); 727 // get last audible index if stream is muted, current index otherwise 728 final int aliasIndex = streamState.getIndex(device, 729 (streamState.muteCount() != 0) /* lastAudible */); 730 boolean adjustVolume = true; 731 732 // convert one UI step (+/-1) into a number of internal units on the stream alias 733 int step = rescaleIndex(10, streamType, streamTypeAlias); 734 735 // If either the client forces allowing ringer modes for this adjustment, 736 // or the stream type is one that is affected by ringer modes 737 if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || 738 (streamTypeAlias == getMasterStreamType())) { 739 int ringerMode = getRingerMode(); 740 // do not vibrate if already in vibrate mode 741 if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) { 742 flags &= ~AudioManager.FLAG_VIBRATE; 743 } 744 // Check if the ringer mode changes with this volume adjustment. If 745 // it does, it will handle adjusting the volume, so we won't below 746 adjustVolume = checkForRingerModeChange(aliasIndex, direction, step); 747 if ((streamTypeAlias == getMasterStreamType()) && 748 (mRingerMode == AudioManager.RINGER_MODE_SILENT)) { 749 streamState.setLastAudibleIndex(0, device); 750 } 751 } 752 753 // If stream is muted, adjust last audible index only 754 int index; 755 final int oldIndex = mStreamStates[streamType].getIndex(device, 756 (mStreamStates[streamType].muteCount() != 0) /* lastAudible */); 757 758 if (streamState.muteCount() != 0) { 759 if (adjustVolume) { 760 // Post a persist volume msg 761 // no need to persist volume on all streams sharing the same alias 762 streamState.adjustLastAudibleIndex(direction * step, device); 763 sendMsg(mAudioHandler, 764 MSG_PERSIST_VOLUME, 765 SENDMSG_QUEUE, 766 PERSIST_LAST_AUDIBLE, 767 device, 768 streamState, 769 PERSIST_DELAY); 770 } 771 index = mStreamStates[streamType].getIndex(device, true /* lastAudible */); 772 } else { 773 if (adjustVolume && streamState.adjustIndex(direction * step, device)) { 774 // Post message to set system volume (it in turn will post a message 775 // to persist). Do not change volume if stream is muted. 776 sendMsg(mAudioHandler, 777 MSG_SET_DEVICE_VOLUME, 778 SENDMSG_QUEUE, 779 device, 780 0, 781 streamState, 782 0); 783 } 784 index = mStreamStates[streamType].getIndex(device, false /* lastAudible */); 785 } 786 787 sendVolumeUpdate(streamType, oldIndex, index, flags); 788 } 789 790 /** @see AudioManager#adjustMasterVolume(int) */ 791 public void adjustMasterVolume(int steps, int flags) { 792 ensureValidSteps(steps); 793 int volume = Math.round(AudioSystem.getMasterVolume() * MAX_MASTER_VOLUME); 794 int delta = 0; 795 int numSteps = Math.abs(steps); 796 int direction = steps > 0 ? AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER; 797 for (int i = 0; i < numSteps; ++i) { 798 delta = findVolumeDelta(direction, volume); 799 volume += delta; 800 } 801 802 //Log.d(TAG, "adjustMasterVolume volume: " + volume + " steps: " + steps); 803 setMasterVolume(volume, flags); 804 } 805 806 /** @see AudioManager#setStreamVolume(int, int, int) */ 807 public void setStreamVolume(int streamType, int index, int flags) { 808 ensureValidStreamType(streamType); 809 VolumeStreamState streamState = mStreamStates[mStreamVolumeAlias[streamType]]; 810 811 final int device = getDeviceForStream(streamType); 812 // get last audible index if stream is muted, current index otherwise 813 final int oldIndex = streamState.getIndex(device, 814 (streamState.muteCount() != 0) /* lastAudible */); 815 816 index = rescaleIndex(index * 10, streamType, mStreamVolumeAlias[streamType]); 817 818 // setting volume on master stream type also controls silent mode 819 if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || 820 (mStreamVolumeAlias[streamType] == getMasterStreamType())) { 821 int newRingerMode; 822 if (index == 0) { 823 newRingerMode = mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE 824 : AudioManager.RINGER_MODE_SILENT; 825 setStreamVolumeInt(mStreamVolumeAlias[streamType], 826 index, 827 device, 828 false, 829 true); 830 } else { 831 newRingerMode = AudioManager.RINGER_MODE_NORMAL; 832 } 833 setRingerMode(newRingerMode); 834 } 835 836 setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, false, true); 837 // get last audible index if stream is muted, current index otherwise 838 index = mStreamStates[streamType].getIndex(device, 839 (mStreamStates[streamType].muteCount() != 0) /* lastAudible */); 840 841 sendVolumeUpdate(streamType, oldIndex, index, flags); 842 } 843 844 /** @see AudioManager#forceVolumeControlStream(int) */ 845 public void forceVolumeControlStream(int streamType, IBinder cb) { 846 synchronized(mForceControlStreamLock) { 847 mVolumeControlStream = streamType; 848 if (mVolumeControlStream == -1) { 849 if (mForceControlStreamClient != null) { 850 mForceControlStreamClient.release(); 851 mForceControlStreamClient = null; 852 } 853 } else { 854 mForceControlStreamClient = new ForceControlStreamClient(cb); 855 } 856 } 857 } 858 859 private class ForceControlStreamClient implements IBinder.DeathRecipient { 860 private IBinder mCb; // To be notified of client's death 861 862 ForceControlStreamClient(IBinder cb) { 863 if (cb != null) { 864 try { 865 cb.linkToDeath(this, 0); 866 } catch (RemoteException e) { 867 // Client has died! 868 Log.w(TAG, "ForceControlStreamClient() could not link to "+cb+" binder death"); 869 cb = null; 870 } 871 } 872 mCb = cb; 873 } 874 875 public void binderDied() { 876 synchronized(mForceControlStreamLock) { 877 Log.w(TAG, "SCO client died"); 878 if (mForceControlStreamClient != this) { 879 Log.w(TAG, "unregistered control stream client died"); 880 } else { 881 mForceControlStreamClient = null; 882 mVolumeControlStream = -1; 883 } 884 } 885 } 886 887 public void release() { 888 if (mCb != null) { 889 mCb.unlinkToDeath(this, 0); 890 mCb = null; 891 } 892 } 893 } 894 895 private int findVolumeDelta(int direction, int volume) { 896 int delta = 0; 897 if (direction == AudioManager.ADJUST_RAISE) { 898 if (volume == MAX_MASTER_VOLUME) { 899 return 0; 900 } 901 // This is the default value if we make it to the end 902 delta = mMasterVolumeRamp[1]; 903 // If we're raising the volume move down the ramp array until we 904 // find the volume we're above and use that groups delta. 905 for (int i = mMasterVolumeRamp.length - 1; i > 1; i -= 2) { 906 if (volume >= mMasterVolumeRamp[i - 1]) { 907 delta = mMasterVolumeRamp[i]; 908 break; 909 } 910 } 911 } else if (direction == AudioManager.ADJUST_LOWER){ 912 if (volume == 0) { 913 return 0; 914 } 915 int length = mMasterVolumeRamp.length; 916 // This is the default value if we make it to the end 917 delta = -mMasterVolumeRamp[length - 1]; 918 // If we're lowering the volume move up the ramp array until we 919 // find the volume we're below and use the group below it's delta 920 for (int i = 2; i < length; i += 2) { 921 if (volume <= mMasterVolumeRamp[i]) { 922 delta = -mMasterVolumeRamp[i - 1]; 923 break; 924 } 925 } 926 } 927 return delta; 928 } 929 930 // UI update and Broadcast Intent 931 private void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags) { 932 if (!mVoiceCapable && (streamType == AudioSystem.STREAM_RING)) { 933 streamType = AudioSystem.STREAM_NOTIFICATION; 934 } 935 936 mVolumePanel.postVolumeChanged(streamType, flags); 937 938 oldIndex = (oldIndex + 5) / 10; 939 index = (index + 5) / 10; 940 Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION); 941 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType); 942 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index); 943 intent.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex); 944 mContext.sendBroadcast(intent); 945 } 946 947 // UI update and Broadcast Intent 948 private void sendMasterVolumeUpdate(int flags, int oldVolume, int newVolume) { 949 mVolumePanel.postMasterVolumeChanged(flags); 950 951 Intent intent = new Intent(AudioManager.MASTER_VOLUME_CHANGED_ACTION); 952 intent.putExtra(AudioManager.EXTRA_PREV_MASTER_VOLUME_VALUE, oldVolume); 953 intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_VALUE, newVolume); 954 mContext.sendBroadcast(intent); 955 } 956 957 // UI update and Broadcast Intent 958 private void sendMasterMuteUpdate(boolean muted, int flags) { 959 mVolumePanel.postMasterMuteChanged(flags); 960 broadcastMasterMuteStatus(muted); 961 } 962 963 private void broadcastMasterMuteStatus(boolean muted) { 964 Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION); 965 intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, muted); 966 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT 967 | Intent.FLAG_RECEIVER_REPLACE_PENDING); 968 long origCallerIdentityToken = Binder.clearCallingIdentity(); 969 mContext.sendStickyBroadcast(intent); 970 Binder.restoreCallingIdentity(origCallerIdentityToken); 971 } 972 973 /** 974 * Sets the stream state's index, and posts a message to set system volume. 975 * This will not call out to the UI. Assumes a valid stream type. 976 * 977 * @param streamType Type of the stream 978 * @param index Desired volume index of the stream 979 * @param device the device whose volume must be changed 980 * @param force If true, set the volume even if the desired volume is same 981 * as the current volume. 982 * @param lastAudible If true, stores new index as last audible one 983 */ 984 private void setStreamVolumeInt(int streamType, 985 int index, 986 int device, 987 boolean force, 988 boolean lastAudible) { 989 VolumeStreamState streamState = mStreamStates[streamType]; 990 991 // If stream is muted, set last audible index only 992 if (streamState.muteCount() != 0) { 993 // Do not allow last audible index to be 0 994 if (index != 0) { 995 streamState.setLastAudibleIndex(index, device); 996 // Post a persist volume msg 997 sendMsg(mAudioHandler, 998 MSG_PERSIST_VOLUME, 999 SENDMSG_QUEUE, 1000 PERSIST_LAST_AUDIBLE, 1001 device, 1002 streamState, 1003 PERSIST_DELAY); 1004 } 1005 } else { 1006 if (streamState.setIndex(index, device, lastAudible) || force) { 1007 // Post message to set system volume (it in turn will post a message 1008 // to persist). 1009 sendMsg(mAudioHandler, 1010 MSG_SET_DEVICE_VOLUME, 1011 SENDMSG_QUEUE, 1012 device, 1013 0, 1014 streamState, 1015 0); 1016 } 1017 } 1018 } 1019 1020 /** @see AudioManager#setStreamSolo(int, boolean) */ 1021 public void setStreamSolo(int streamType, boolean state, IBinder cb) { 1022 for (int stream = 0; stream < mStreamStates.length; stream++) { 1023 if (!isStreamAffectedByMute(stream) || stream == streamType) continue; 1024 // Bring back last audible volume 1025 mStreamStates[stream].mute(cb, state); 1026 } 1027 } 1028 1029 /** @see AudioManager#setStreamMute(int, boolean) */ 1030 public void setStreamMute(int streamType, boolean state, IBinder cb) { 1031 if (isStreamAffectedByMute(streamType)) { 1032 mStreamStates[streamType].mute(cb, state); 1033 } 1034 } 1035 1036 /** get stream mute state. */ 1037 public boolean isStreamMute(int streamType) { 1038 return (mStreamStates[streamType].muteCount() != 0); 1039 } 1040 1041 /** @see AudioManager#setMasterMute(boolean, IBinder) */ 1042 public void setMasterMute(boolean state, int flags, IBinder cb) { 1043 if (state != AudioSystem.getMasterMute()) { 1044 AudioSystem.setMasterMute(state); 1045 // Post a persist master volume msg 1046 sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME_MUTE, SENDMSG_REPLACE, state ? 1 1047 : 0, 0, null, PERSIST_DELAY); 1048 sendMasterMuteUpdate(state, flags); 1049 } 1050 } 1051 1052 /** get master mute state. */ 1053 public boolean isMasterMute() { 1054 return AudioSystem.getMasterMute(); 1055 } 1056 1057 /** @see AudioManager#getStreamVolume(int) */ 1058 public int getStreamVolume(int streamType) { 1059 ensureValidStreamType(streamType); 1060 int device = getDeviceForStream(streamType); 1061 return (mStreamStates[streamType].getIndex(device, false /* lastAudible */) + 5) / 10; 1062 } 1063 1064 public int getMasterVolume() { 1065 if (isMasterMute()) return 0; 1066 return getLastAudibleMasterVolume(); 1067 } 1068 1069 public void setMasterVolume(int volume, int flags) { 1070 if (volume < 0) { 1071 volume = 0; 1072 } else if (volume > MAX_MASTER_VOLUME) { 1073 volume = MAX_MASTER_VOLUME; 1074 } 1075 doSetMasterVolume((float)volume / MAX_MASTER_VOLUME, flags); 1076 } 1077 1078 private void doSetMasterVolume(float volume, int flags) { 1079 // don't allow changing master volume when muted 1080 if (!AudioSystem.getMasterMute()) { 1081 int oldVolume = getMasterVolume(); 1082 AudioSystem.setMasterVolume(volume); 1083 1084 int newVolume = getMasterVolume(); 1085 if (newVolume != oldVolume) { 1086 // Post a persist master volume msg 1087 sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME, SENDMSG_REPLACE, 1088 Math.round(volume * (float)1000.0), 0, null, PERSIST_DELAY); 1089 } 1090 // Send the volume update regardless whether there was a change. 1091 sendMasterVolumeUpdate(flags, oldVolume, newVolume); 1092 } 1093 } 1094 1095 /** @see AudioManager#getStreamMaxVolume(int) */ 1096 public int getStreamMaxVolume(int streamType) { 1097 ensureValidStreamType(streamType); 1098 return (mStreamStates[streamType].getMaxIndex() + 5) / 10; 1099 } 1100 1101 public int getMasterMaxVolume() { 1102 return MAX_MASTER_VOLUME; 1103 } 1104 1105 /** Get last audible volume before stream was muted. */ 1106 public int getLastAudibleStreamVolume(int streamType) { 1107 ensureValidStreamType(streamType); 1108 int device = getDeviceForStream(streamType); 1109 return (mStreamStates[streamType].getIndex(device, true /* lastAudible */) + 5) / 10; 1110 } 1111 1112 /** Get last audible master volume before it was muted. */ 1113 public int getLastAudibleMasterVolume() { 1114 return Math.round(AudioSystem.getMasterVolume() * MAX_MASTER_VOLUME); 1115 } 1116 1117 /** @see AudioManager#getMasterStreamType(int) */ 1118 public int getMasterStreamType() { 1119 if (mVoiceCapable) { 1120 return AudioSystem.STREAM_RING; 1121 } else { 1122 return AudioSystem.STREAM_MUSIC; 1123 } 1124 } 1125 1126 /** @see AudioManager#getRingerMode() */ 1127 public int getRingerMode() { 1128 synchronized(mSettingsLock) { 1129 return mRingerMode; 1130 } 1131 } 1132 1133 private void ensureValidRingerMode(int ringerMode) { 1134 if (!AudioManager.isValidRingerMode(ringerMode)) { 1135 throw new IllegalArgumentException("Bad ringer mode " + ringerMode); 1136 } 1137 } 1138 1139 /** @see AudioManager#setRingerMode(int) */ 1140 public void setRingerMode(int ringerMode) { 1141 if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) { 1142 ringerMode = AudioManager.RINGER_MODE_SILENT; 1143 } 1144 if (ringerMode != getRingerMode()) { 1145 setRingerModeInt(ringerMode, true); 1146 // Send sticky broadcast 1147 broadcastRingerMode(ringerMode); 1148 } 1149 } 1150 1151 private void setRingerModeInt(int ringerMode, boolean persist) { 1152 synchronized(mSettingsLock) { 1153 mRingerMode = ringerMode; 1154 } 1155 1156 // Mute stream if not previously muted by ringer mode and ringer mode 1157 // is not RINGER_MODE_NORMAL and stream is affected by ringer mode. 1158 // Unmute stream if previously muted by ringer mode and ringer mode 1159 // is RINGER_MODE_NORMAL or stream is not affected by ringer mode. 1160 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1161 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1162 if (isStreamMutedByRingerMode(streamType)) { 1163 if (!isStreamAffectedByRingerMode(streamType) || 1164 ringerMode == AudioManager.RINGER_MODE_NORMAL) { 1165 // ring and notifications volume should never be 0 when not silenced 1166 // on voice capable devices 1167 if (mVoiceCapable && 1168 mStreamVolumeAlias[streamType] == AudioSystem.STREAM_RING) { 1169 synchronized (mStreamStates[streamType]) { 1170 Set set = mStreamStates[streamType].mLastAudibleIndex.entrySet(); 1171 Iterator i = set.iterator(); 1172 while (i.hasNext()) { 1173 Map.Entry entry = (Map.Entry)i.next(); 1174 if ((Integer)entry.getValue() == 0) { 1175 entry.setValue(10); 1176 } 1177 } 1178 } 1179 } 1180 mStreamStates[streamType].mute(null, false); 1181 mRingerModeMutedStreams &= ~(1 << streamType); 1182 } 1183 } else { 1184 if (isStreamAffectedByRingerMode(streamType) && 1185 ringerMode != AudioManager.RINGER_MODE_NORMAL) { 1186 mStreamStates[streamType].mute(null, true); 1187 mRingerModeMutedStreams |= (1 << streamType); 1188 } 1189 } 1190 } 1191 1192 // Post a persist ringer mode msg 1193 if (persist) { 1194 sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, 1195 SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); 1196 } 1197 } 1198 1199 private void restoreMasterVolume() { 1200 if (mUseMasterVolume) { 1201 float volume = Settings.System.getFloat(mContentResolver, 1202 Settings.System.VOLUME_MASTER, -1.0f); 1203 if (volume >= 0.0f) { 1204 AudioSystem.setMasterVolume(volume); 1205 } 1206 } 1207 } 1208 1209 /** @see AudioManager#shouldVibrate(int) */ 1210 public boolean shouldVibrate(int vibrateType) { 1211 if (!mHasVibrator) return false; 1212 1213 switch (getVibrateSetting(vibrateType)) { 1214 1215 case AudioManager.VIBRATE_SETTING_ON: 1216 return getRingerMode() != AudioManager.RINGER_MODE_SILENT; 1217 1218 case AudioManager.VIBRATE_SETTING_ONLY_SILENT: 1219 return getRingerMode() == AudioManager.RINGER_MODE_VIBRATE; 1220 1221 case AudioManager.VIBRATE_SETTING_OFF: 1222 // return false, even for incoming calls 1223 return false; 1224 1225 default: 1226 return false; 1227 } 1228 } 1229 1230 /** @see AudioManager#getVibrateSetting(int) */ 1231 public int getVibrateSetting(int vibrateType) { 1232 if (!mHasVibrator) return AudioManager.VIBRATE_SETTING_OFF; 1233 return (mVibrateSetting >> (vibrateType * 2)) & 3; 1234 } 1235 1236 /** @see AudioManager#setVibrateSetting(int, int) */ 1237 public void setVibrateSetting(int vibrateType, int vibrateSetting) { 1238 1239 if (!mHasVibrator) return; 1240 1241 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting); 1242 1243 // Broadcast change 1244 broadcastVibrateSetting(vibrateType); 1245 1246 } 1247 1248 /** 1249 * @see #setVibrateSetting(int, int) 1250 */ 1251 public static int getValueForVibrateSetting(int existingValue, int vibrateType, 1252 int vibrateSetting) { 1253 1254 // First clear the existing setting. Each vibrate type has two bits in 1255 // the value. Note '3' is '11' in binary. 1256 existingValue &= ~(3 << (vibrateType * 2)); 1257 1258 // Set into the old value 1259 existingValue |= (vibrateSetting & 3) << (vibrateType * 2); 1260 1261 return existingValue; 1262 } 1263 1264 private class SetModeDeathHandler implements IBinder.DeathRecipient { 1265 private IBinder mCb; // To be notified of client's death 1266 private int mPid; 1267 private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client 1268 1269 SetModeDeathHandler(IBinder cb, int pid) { 1270 mCb = cb; 1271 mPid = pid; 1272 } 1273 1274 public void binderDied() { 1275 int newModeOwnerPid = 0; 1276 synchronized(mSetModeDeathHandlers) { 1277 Log.w(TAG, "setMode() client died"); 1278 int index = mSetModeDeathHandlers.indexOf(this); 1279 if (index < 0) { 1280 Log.w(TAG, "unregistered setMode() client died"); 1281 } else { 1282 newModeOwnerPid = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid); 1283 } 1284 } 1285 // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all 1286 // SCO connections not started by the application changing the mode 1287 if (newModeOwnerPid != 0) { 1288 disconnectBluetoothSco(newModeOwnerPid); 1289 } 1290 } 1291 1292 public int getPid() { 1293 return mPid; 1294 } 1295 1296 public void setMode(int mode) { 1297 mMode = mode; 1298 } 1299 1300 public int getMode() { 1301 return mMode; 1302 } 1303 1304 public IBinder getBinder() { 1305 return mCb; 1306 } 1307 } 1308 1309 /** @see AudioManager#setMode(int) */ 1310 public void setMode(int mode, IBinder cb) { 1311 if (!checkAudioSettingsPermission("setMode()")) { 1312 return; 1313 } 1314 1315 if (mode < AudioSystem.MODE_CURRENT || mode >= AudioSystem.NUM_MODES) { 1316 return; 1317 } 1318 1319 int newModeOwnerPid = 0; 1320 synchronized(mSetModeDeathHandlers) { 1321 if (mode == AudioSystem.MODE_CURRENT) { 1322 mode = mMode; 1323 } 1324 newModeOwnerPid = setModeInt(mode, cb, Binder.getCallingPid()); 1325 } 1326 // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all 1327 // SCO connections not started by the application changing the mode 1328 if (newModeOwnerPid != 0) { 1329 disconnectBluetoothSco(newModeOwnerPid); 1330 } 1331 } 1332 1333 // must be called synchronized on mSetModeDeathHandlers 1334 // setModeInt() returns a valid PID if the audio mode was successfully set to 1335 // any mode other than NORMAL. 1336 int setModeInt(int mode, IBinder cb, int pid) { 1337 int newModeOwnerPid = 0; 1338 if (cb == null) { 1339 Log.e(TAG, "setModeInt() called with null binder"); 1340 return newModeOwnerPid; 1341 } 1342 1343 SetModeDeathHandler hdlr = null; 1344 Iterator iter = mSetModeDeathHandlers.iterator(); 1345 while (iter.hasNext()) { 1346 SetModeDeathHandler h = (SetModeDeathHandler)iter.next(); 1347 if (h.getPid() == pid) { 1348 hdlr = h; 1349 // Remove from client list so that it is re-inserted at top of list 1350 iter.remove(); 1351 hdlr.getBinder().unlinkToDeath(hdlr, 0); 1352 break; 1353 } 1354 } 1355 int status = AudioSystem.AUDIO_STATUS_OK; 1356 do { 1357 if (mode == AudioSystem.MODE_NORMAL) { 1358 // get new mode from client at top the list if any 1359 if (!mSetModeDeathHandlers.isEmpty()) { 1360 hdlr = mSetModeDeathHandlers.get(0); 1361 cb = hdlr.getBinder(); 1362 mode = hdlr.getMode(); 1363 } 1364 } else { 1365 if (hdlr == null) { 1366 hdlr = new SetModeDeathHandler(cb, pid); 1367 } 1368 // Register for client death notification 1369 try { 1370 cb.linkToDeath(hdlr, 0); 1371 } catch (RemoteException e) { 1372 // Client has died! 1373 Log.w(TAG, "setMode() could not link to "+cb+" binder death"); 1374 } 1375 1376 // Last client to call setMode() is always at top of client list 1377 // as required by SetModeDeathHandler.binderDied() 1378 mSetModeDeathHandlers.add(0, hdlr); 1379 hdlr.setMode(mode); 1380 } 1381 1382 if (mode != mMode) { 1383 status = AudioSystem.setPhoneState(mode); 1384 if (status == AudioSystem.AUDIO_STATUS_OK) { 1385 mMode = mode; 1386 } else { 1387 if (hdlr != null) { 1388 mSetModeDeathHandlers.remove(hdlr); 1389 cb.unlinkToDeath(hdlr, 0); 1390 } 1391 // force reading new top of mSetModeDeathHandlers stack 1392 mode = AudioSystem.MODE_NORMAL; 1393 } 1394 } else { 1395 status = AudioSystem.AUDIO_STATUS_OK; 1396 } 1397 } while (status != AudioSystem.AUDIO_STATUS_OK && !mSetModeDeathHandlers.isEmpty()); 1398 1399 if (status == AudioSystem.AUDIO_STATUS_OK) { 1400 if (mode != AudioSystem.MODE_NORMAL) { 1401 if (mSetModeDeathHandlers.isEmpty()) { 1402 Log.e(TAG, "setMode() different from MODE_NORMAL with empty mode client stack"); 1403 } else { 1404 newModeOwnerPid = mSetModeDeathHandlers.get(0).getPid(); 1405 } 1406 } 1407 int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); 1408 if (streamType == STREAM_REMOTE_MUSIC) { 1409 // here handle remote media playback the same way as local playback 1410 streamType = AudioManager.STREAM_MUSIC; 1411 } 1412 int device = getDeviceForStream(streamType); 1413 int index = mStreamStates[mStreamVolumeAlias[streamType]].getIndex(device, false); 1414 setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, true, false); 1415 1416 updateStreamVolumeAlias(true /*updateVolumes*/); 1417 } 1418 return newModeOwnerPid; 1419 } 1420 1421 /** @see AudioManager#getMode() */ 1422 public int getMode() { 1423 return mMode; 1424 } 1425 1426 /** @see AudioManager#playSoundEffect(int) */ 1427 public void playSoundEffect(int effectType) { 1428 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_NOOP, 1429 effectType, -1, null, 0); 1430 } 1431 1432 /** @see AudioManager#playSoundEffect(int, float) */ 1433 public void playSoundEffectVolume(int effectType, float volume) { 1434 loadSoundEffects(); 1435 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_NOOP, 1436 effectType, (int) (volume * 1000), null, 0); 1437 } 1438 1439 /** 1440 * Loads samples into the soundpool. 1441 * This method must be called at first when sound effects are enabled 1442 */ 1443 public boolean loadSoundEffects() { 1444 int status; 1445 1446 synchronized (mSoundEffectsLock) { 1447 if (!mBootCompleted) { 1448 Log.w(TAG, "loadSoundEffects() called before boot complete"); 1449 return false; 1450 } 1451 1452 if (mSoundPool != null) { 1453 return true; 1454 } 1455 mSoundPool = new SoundPool(NUM_SOUNDPOOL_CHANNELS, AudioSystem.STREAM_SYSTEM, 0); 1456 1457 try { 1458 mSoundPoolCallBack = null; 1459 mSoundPoolListenerThread = new SoundPoolListenerThread(); 1460 mSoundPoolListenerThread.start(); 1461 // Wait for mSoundPoolCallBack to be set by the other thread 1462 mSoundEffectsLock.wait(); 1463 } catch (InterruptedException e) { 1464 Log.w(TAG, "Interrupted while waiting sound pool listener thread."); 1465 } 1466 1467 if (mSoundPoolCallBack == null) { 1468 Log.w(TAG, "loadSoundEffects() could not create SoundPool listener or thread"); 1469 if (mSoundPoolLooper != null) { 1470 mSoundPoolLooper.quit(); 1471 mSoundPoolLooper = null; 1472 } 1473 mSoundPoolListenerThread = null; 1474 mSoundPool.release(); 1475 mSoundPool = null; 1476 return false; 1477 } 1478 /* 1479 * poolId table: The value -1 in this table indicates that corresponding 1480 * file (same index in SOUND_EFFECT_FILES[] has not been loaded. 1481 * Once loaded, the value in poolId is the sample ID and the same 1482 * sample can be reused for another effect using the same file. 1483 */ 1484 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 1485 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 1486 poolId[fileIdx] = -1; 1487 } 1488 /* 1489 * Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded. 1490 * If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0: 1491 * this indicates we have a valid sample loaded for this effect. 1492 */ 1493 1494 int lastSample = 0; 1495 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1496 // Do not load sample if this effect uses the MediaPlayer 1497 if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) { 1498 continue; 1499 } 1500 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) { 1501 String filePath = Environment.getRootDirectory() 1502 + SOUND_EFFECTS_PATH 1503 + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effect][0]]; 1504 int sampleId = mSoundPool.load(filePath, 0); 1505 if (sampleId <= 0) { 1506 Log.w(TAG, "Soundpool could not load file: "+filePath); 1507 } else { 1508 SOUND_EFFECT_FILES_MAP[effect][1] = sampleId; 1509 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId; 1510 lastSample = sampleId; 1511 } 1512 } else { 1513 SOUND_EFFECT_FILES_MAP[effect][1] = poolId[SOUND_EFFECT_FILES_MAP[effect][0]]; 1514 } 1515 } 1516 // wait for all samples to be loaded 1517 if (lastSample != 0) { 1518 mSoundPoolCallBack.setLastSample(lastSample); 1519 1520 try { 1521 mSoundEffectsLock.wait(); 1522 status = mSoundPoolCallBack.status(); 1523 } catch (java.lang.InterruptedException e) { 1524 Log.w(TAG, "Interrupted while waiting sound pool callback."); 1525 status = -1; 1526 } 1527 } else { 1528 status = -1; 1529 } 1530 1531 if (mSoundPoolLooper != null) { 1532 mSoundPoolLooper.quit(); 1533 mSoundPoolLooper = null; 1534 } 1535 mSoundPoolListenerThread = null; 1536 if (status != 0) { 1537 Log.w(TAG, 1538 "loadSoundEffects(), Error " 1539 + ((lastSample != 0) ? mSoundPoolCallBack.status() : -1) 1540 + " while loading samples"); 1541 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1542 if (SOUND_EFFECT_FILES_MAP[effect][1] > 0) { 1543 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 1544 } 1545 } 1546 1547 mSoundPool.release(); 1548 mSoundPool = null; 1549 } 1550 } 1551 return (status == 0); 1552 } 1553 1554 /** 1555 * Unloads samples from the sound pool. 1556 * This method can be called to free some memory when 1557 * sound effects are disabled. 1558 */ 1559 public void unloadSoundEffects() { 1560 synchronized (mSoundEffectsLock) { 1561 if (mSoundPool == null) { 1562 return; 1563 } 1564 1565 mAudioHandler.removeMessages(MSG_LOAD_SOUND_EFFECTS); 1566 mAudioHandler.removeMessages(MSG_PLAY_SOUND_EFFECT); 1567 1568 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 1569 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 1570 poolId[fileIdx] = 0; 1571 } 1572 1573 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1574 if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) { 1575 continue; 1576 } 1577 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) { 1578 mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]); 1579 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 1580 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1; 1581 } 1582 } 1583 mSoundPool.release(); 1584 mSoundPool = null; 1585 } 1586 } 1587 1588 class SoundPoolListenerThread extends Thread { 1589 public SoundPoolListenerThread() { 1590 super("SoundPoolListenerThread"); 1591 } 1592 1593 @Override 1594 public void run() { 1595 1596 Looper.prepare(); 1597 mSoundPoolLooper = Looper.myLooper(); 1598 1599 synchronized (mSoundEffectsLock) { 1600 if (mSoundPool != null) { 1601 mSoundPoolCallBack = new SoundPoolCallback(); 1602 mSoundPool.setOnLoadCompleteListener(mSoundPoolCallBack); 1603 } 1604 mSoundEffectsLock.notify(); 1605 } 1606 Looper.loop(); 1607 } 1608 } 1609 1610 private final class SoundPoolCallback implements 1611 android.media.SoundPool.OnLoadCompleteListener { 1612 1613 int mStatus; 1614 int mLastSample; 1615 1616 public int status() { 1617 return mStatus; 1618 } 1619 1620 public void setLastSample(int sample) { 1621 mLastSample = sample; 1622 } 1623 1624 public void onLoadComplete(SoundPool soundPool, int sampleId, int status) { 1625 synchronized (mSoundEffectsLock) { 1626 if (status != 0) { 1627 mStatus = status; 1628 } 1629 if (sampleId == mLastSample) { 1630 mSoundEffectsLock.notify(); 1631 } 1632 } 1633 } 1634 } 1635 1636 /** @see AudioManager#reloadAudioSettings() */ 1637 public void reloadAudioSettings() { 1638 // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings 1639 readPersistedSettings(); 1640 1641 // restore volume settings 1642 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1643 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 1644 VolumeStreamState streamState = mStreamStates[streamType]; 1645 1646 synchronized (streamState) { 1647 streamState.readSettings(); 1648 1649 // unmute stream that was muted but is not affect by mute anymore 1650 if (streamState.muteCount() != 0 && !isStreamAffectedByMute(streamType)) { 1651 int size = streamState.mDeathHandlers.size(); 1652 for (int i = 0; i < size; i++) { 1653 streamState.mDeathHandlers.get(i).mMuteCount = 1; 1654 streamState.mDeathHandlers.get(i).mute(false); 1655 } 1656 } 1657 } 1658 } 1659 1660 checkAllAliasStreamVolumes(); 1661 1662 // apply new ringer mode 1663 setRingerModeInt(getRingerMode(), false); 1664 } 1665 1666 /** @see AudioManager#setSpeakerphoneOn() */ 1667 public void setSpeakerphoneOn(boolean on){ 1668 if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { 1669 return; 1670 } 1671 mForcedUseForComm = on ? AudioSystem.FORCE_SPEAKER : AudioSystem.FORCE_NONE; 1672 1673 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1674 AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); 1675 } 1676 1677 /** @see AudioManager#isSpeakerphoneOn() */ 1678 public boolean isSpeakerphoneOn() { 1679 return (mForcedUseForComm == AudioSystem.FORCE_SPEAKER); 1680 } 1681 1682 /** @see AudioManager#setBluetoothScoOn() */ 1683 public void setBluetoothScoOn(boolean on){ 1684 if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { 1685 return; 1686 } 1687 mForcedUseForComm = on ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE; 1688 1689 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1690 AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); 1691 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1692 AudioSystem.FOR_RECORD, mForcedUseForComm, null, 0); 1693 } 1694 1695 /** @see AudioManager#isBluetoothScoOn() */ 1696 public boolean isBluetoothScoOn() { 1697 return (mForcedUseForComm == AudioSystem.FORCE_BT_SCO); 1698 } 1699 1700 /** @see AudioManager#setBluetoothA2dpOn() */ 1701 public void setBluetoothA2dpOn(boolean on) { 1702 setBluetoothA2dpOnInt(on); 1703 } 1704 1705 /** @see AudioManager#isBluetoothA2dpOn() */ 1706 public boolean isBluetoothA2dpOn() { 1707 synchronized (mBluetoothA2dpEnabledLock) { 1708 return mBluetoothA2dpEnabled; 1709 } 1710 } 1711 1712 /** @see AudioManager#startBluetoothSco() */ 1713 public void startBluetoothSco(IBinder cb){ 1714 if (!checkAudioSettingsPermission("startBluetoothSco()") || 1715 !mBootCompleted) { 1716 return; 1717 } 1718 ScoClient client = getScoClient(cb, true); 1719 client.incCount(); 1720 } 1721 1722 /** @see AudioManager#stopBluetoothSco() */ 1723 public void stopBluetoothSco(IBinder cb){ 1724 if (!checkAudioSettingsPermission("stopBluetoothSco()") || 1725 !mBootCompleted) { 1726 return; 1727 } 1728 ScoClient client = getScoClient(cb, false); 1729 if (client != null) { 1730 client.decCount(); 1731 } 1732 } 1733 1734 1735 private class ScoClient implements IBinder.DeathRecipient { 1736 private IBinder mCb; // To be notified of client's death 1737 private int mCreatorPid; 1738 private int mStartcount; // number of SCO connections started by this client 1739 1740 ScoClient(IBinder cb) { 1741 mCb = cb; 1742 mCreatorPid = Binder.getCallingPid(); 1743 mStartcount = 0; 1744 } 1745 1746 public void binderDied() { 1747 synchronized(mScoClients) { 1748 Log.w(TAG, "SCO client died"); 1749 int index = mScoClients.indexOf(this); 1750 if (index < 0) { 1751 Log.w(TAG, "unregistered SCO client died"); 1752 } else { 1753 clearCount(true); 1754 mScoClients.remove(this); 1755 } 1756 } 1757 } 1758 1759 public void incCount() { 1760 synchronized(mScoClients) { 1761 requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED); 1762 if (mStartcount == 0) { 1763 try { 1764 mCb.linkToDeath(this, 0); 1765 } catch (RemoteException e) { 1766 // client has already died! 1767 Log.w(TAG, "ScoClient incCount() could not link to "+mCb+" binder death"); 1768 } 1769 } 1770 mStartcount++; 1771 } 1772 } 1773 1774 public void decCount() { 1775 synchronized(mScoClients) { 1776 if (mStartcount == 0) { 1777 Log.w(TAG, "ScoClient.decCount() already 0"); 1778 } else { 1779 mStartcount--; 1780 if (mStartcount == 0) { 1781 try { 1782 mCb.unlinkToDeath(this, 0); 1783 } catch (NoSuchElementException e) { 1784 Log.w(TAG, "decCount() going to 0 but not registered to binder"); 1785 } 1786 } 1787 requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); 1788 } 1789 } 1790 } 1791 1792 public void clearCount(boolean stopSco) { 1793 synchronized(mScoClients) { 1794 if (mStartcount != 0) { 1795 try { 1796 mCb.unlinkToDeath(this, 0); 1797 } catch (NoSuchElementException e) { 1798 Log.w(TAG, "clearCount() mStartcount: "+mStartcount+" != 0 but not registered to binder"); 1799 } 1800 } 1801 mStartcount = 0; 1802 if (stopSco) { 1803 requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); 1804 } 1805 } 1806 } 1807 1808 public int getCount() { 1809 return mStartcount; 1810 } 1811 1812 public IBinder getBinder() { 1813 return mCb; 1814 } 1815 1816 public int getPid() { 1817 return mCreatorPid; 1818 } 1819 1820 public int totalCount() { 1821 synchronized(mScoClients) { 1822 int count = 0; 1823 int size = mScoClients.size(); 1824 for (int i = 0; i < size; i++) { 1825 count += mScoClients.get(i).getCount(); 1826 } 1827 return count; 1828 } 1829 } 1830 1831 private void requestScoState(int state) { 1832 checkScoAudioState(); 1833 if (totalCount() == 0) { 1834 if (state == BluetoothHeadset.STATE_AUDIO_CONNECTED) { 1835 // Make sure that the state transitions to CONNECTING even if we cannot initiate 1836 // the connection. 1837 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTING); 1838 // Accept SCO audio activation only in NORMAL audio mode or if the mode is 1839 // currently controlled by the same client process. 1840 synchronized(mSetModeDeathHandlers) { 1841 if ((mSetModeDeathHandlers.isEmpty() || 1842 mSetModeDeathHandlers.get(0).getPid() == mCreatorPid) && 1843 (mScoAudioState == SCO_STATE_INACTIVE || 1844 mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { 1845 if (mScoAudioState == SCO_STATE_INACTIVE) { 1846 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { 1847 if (mBluetoothHeadset.startScoUsingVirtualVoiceCall( 1848 mBluetoothHeadsetDevice)) { 1849 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1850 } else { 1851 broadcastScoConnectionState( 1852 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1853 } 1854 } else if (getBluetoothHeadset()) { 1855 mScoAudioState = SCO_STATE_ACTIVATE_REQ; 1856 } 1857 } else { 1858 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1859 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED); 1860 } 1861 } else { 1862 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1863 } 1864 } 1865 } else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED && 1866 (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || 1867 mScoAudioState == SCO_STATE_ACTIVATE_REQ)) { 1868 if (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL) { 1869 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { 1870 if (!mBluetoothHeadset.stopScoUsingVirtualVoiceCall( 1871 mBluetoothHeadsetDevice)) { 1872 mScoAudioState = SCO_STATE_INACTIVE; 1873 broadcastScoConnectionState( 1874 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1875 } 1876 } else if (getBluetoothHeadset()) { 1877 mScoAudioState = SCO_STATE_DEACTIVATE_REQ; 1878 } 1879 } else { 1880 mScoAudioState = SCO_STATE_INACTIVE; 1881 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1882 } 1883 } 1884 } 1885 } 1886 } 1887 1888 private void checkScoAudioState() { 1889 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null && 1890 mScoAudioState == SCO_STATE_INACTIVE && 1891 mBluetoothHeadset.getAudioState(mBluetoothHeadsetDevice) 1892 != BluetoothHeadset.STATE_AUDIO_DISCONNECTED) { 1893 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 1894 } 1895 } 1896 1897 private ScoClient getScoClient(IBinder cb, boolean create) { 1898 synchronized(mScoClients) { 1899 ScoClient client = null; 1900 int size = mScoClients.size(); 1901 for (int i = 0; i < size; i++) { 1902 client = mScoClients.get(i); 1903 if (client.getBinder() == cb) 1904 return client; 1905 } 1906 if (create) { 1907 client = new ScoClient(cb); 1908 mScoClients.add(client); 1909 } 1910 return client; 1911 } 1912 } 1913 1914 public void clearAllScoClients(int exceptPid, boolean stopSco) { 1915 synchronized(mScoClients) { 1916 ScoClient savedClient = null; 1917 int size = mScoClients.size(); 1918 for (int i = 0; i < size; i++) { 1919 ScoClient cl = mScoClients.get(i); 1920 if (cl.getPid() != exceptPid) { 1921 cl.clearCount(stopSco); 1922 } else { 1923 savedClient = cl; 1924 } 1925 } 1926 mScoClients.clear(); 1927 if (savedClient != null) { 1928 mScoClients.add(savedClient); 1929 } 1930 } 1931 } 1932 1933 private boolean getBluetoothHeadset() { 1934 boolean result = false; 1935 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); 1936 if (adapter != null) { 1937 result = adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, 1938 BluetoothProfile.HEADSET); 1939 } 1940 // If we could not get a bluetooth headset proxy, send a failure message 1941 // without delay to reset the SCO audio state and clear SCO clients. 1942 // If we could get a proxy, send a delayed failure message that will reset our state 1943 // in case we don't receive onServiceConnected(). 1944 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1945 SENDMSG_REPLACE, 0, 0, null, result ? BT_HEADSET_CNCT_TIMEOUT_MS : 0); 1946 return result; 1947 } 1948 1949 private void disconnectBluetoothSco(int exceptPid) { 1950 synchronized(mScoClients) { 1951 checkScoAudioState(); 1952 if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL || 1953 mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { 1954 if (mBluetoothHeadsetDevice != null) { 1955 if (mBluetoothHeadset != null) { 1956 if (!mBluetoothHeadset.stopVoiceRecognition( 1957 mBluetoothHeadsetDevice)) { 1958 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1959 SENDMSG_REPLACE, 0, 0, null, 0); 1960 } 1961 } else if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL && 1962 getBluetoothHeadset()) { 1963 mScoAudioState = SCO_STATE_DEACTIVATE_EXT_REQ; 1964 } 1965 } 1966 } else { 1967 clearAllScoClients(exceptPid, true); 1968 } 1969 } 1970 } 1971 1972 private void resetBluetoothSco() { 1973 synchronized(mScoClients) { 1974 clearAllScoClients(0, false); 1975 mScoAudioState = SCO_STATE_INACTIVE; 1976 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1977 } 1978 } 1979 1980 private void broadcastScoConnectionState(int state) { 1981 if (state != mScoConnectionState) { 1982 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED); 1983 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state); 1984 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_PREVIOUS_STATE, 1985 mScoConnectionState); 1986 mContext.sendStickyBroadcast(newIntent); 1987 mScoConnectionState = state; 1988 } 1989 } 1990 1991 private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener = 1992 new BluetoothProfile.ServiceListener() { 1993 public void onServiceConnected(int profile, BluetoothProfile proxy) { 1994 BluetoothDevice btDevice; 1995 List<BluetoothDevice> deviceList; 1996 switch(profile) { 1997 case BluetoothProfile.A2DP: 1998 BluetoothA2dp a2dp = (BluetoothA2dp) proxy; 1999 deviceList = a2dp.getConnectedDevices(); 2000 if (deviceList.size() > 0) { 2001 btDevice = deviceList.get(0); 2002 synchronized (mConnectedDevices) { 2003 int state = a2dp.getConnectionState(btDevice); 2004 int delay = checkSendBecomingNoisyIntent( 2005 AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 2006 (state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0); 2007 queueMsgUnderWakeLock(mAudioHandler, 2008 MSG_SET_A2DP_CONNECTION_STATE, 2009 state, 2010 0, 2011 btDevice, 2012 delay); 2013 } 2014 } 2015 break; 2016 2017 case BluetoothProfile.HEADSET: 2018 synchronized (mScoClients) { 2019 // Discard timeout message 2020 mAudioHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED); 2021 mBluetoothHeadset = (BluetoothHeadset) proxy; 2022 deviceList = mBluetoothHeadset.getConnectedDevices(); 2023 if (deviceList.size() > 0) { 2024 mBluetoothHeadsetDevice = deviceList.get(0); 2025 } else { 2026 mBluetoothHeadsetDevice = null; 2027 } 2028 // Refresh SCO audio state 2029 checkScoAudioState(); 2030 // Continue pending action if any 2031 if (mScoAudioState == SCO_STATE_ACTIVATE_REQ || 2032 mScoAudioState == SCO_STATE_DEACTIVATE_REQ || 2033 mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { 2034 boolean status = false; 2035 if (mBluetoothHeadsetDevice != null) { 2036 switch (mScoAudioState) { 2037 case SCO_STATE_ACTIVATE_REQ: 2038 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 2039 status = mBluetoothHeadset.startScoUsingVirtualVoiceCall( 2040 mBluetoothHeadsetDevice); 2041 break; 2042 case SCO_STATE_DEACTIVATE_REQ: 2043 status = mBluetoothHeadset.stopScoUsingVirtualVoiceCall( 2044 mBluetoothHeadsetDevice); 2045 break; 2046 case SCO_STATE_DEACTIVATE_EXT_REQ: 2047 status = mBluetoothHeadset.stopVoiceRecognition( 2048 mBluetoothHeadsetDevice); 2049 } 2050 } 2051 if (!status) { 2052 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 2053 SENDMSG_REPLACE, 0, 0, null, 0); 2054 } 2055 } 2056 } 2057 break; 2058 2059 default: 2060 break; 2061 } 2062 } 2063 public void onServiceDisconnected(int profile) { 2064 switch(profile) { 2065 case BluetoothProfile.A2DP: 2066 synchronized (mConnectedDevices) { 2067 if (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)) { 2068 makeA2dpDeviceUnavailableNow( 2069 mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)); 2070 } 2071 } 2072 break; 2073 2074 case BluetoothProfile.HEADSET: 2075 synchronized (mScoClients) { 2076 mBluetoothHeadset = null; 2077 } 2078 break; 2079 2080 default: 2081 break; 2082 } 2083 } 2084 }; 2085 2086 /////////////////////////////////////////////////////////////////////////// 2087 // Internal methods 2088 /////////////////////////////////////////////////////////////////////////// 2089 2090 /** 2091 * Checks if the adjustment should change ringer mode instead of just 2092 * adjusting volume. If so, this will set the proper ringer mode and volume 2093 * indices on the stream states. 2094 */ 2095 private boolean checkForRingerModeChange(int oldIndex, int direction, int step) { 2096 boolean adjustVolumeIndex = true; 2097 int ringerMode = getRingerMode(); 2098 2099 switch (ringerMode) { 2100 case RINGER_MODE_NORMAL: 2101 if (direction == AudioManager.ADJUST_LOWER) { 2102 if (mHasVibrator) { 2103 // "step" is the delta in internal index units corresponding to a 2104 // change of 1 in UI index units. 2105 // Because of rounding when rescaling from one stream index range to its alias 2106 // index range, we cannot simply test oldIndex == step: 2107 // (step <= oldIndex < 2 * step) is equivalent to: (old UI index == 1) 2108 if (step <= oldIndex && oldIndex < 2 * step) { 2109 ringerMode = RINGER_MODE_VIBRATE; 2110 } 2111 } else { 2112 // (oldIndex < step) is equivalent to (old UI index == 0) 2113 if ((oldIndex < step) && mPrevVolDirection != AudioManager.ADJUST_LOWER) { 2114 ringerMode = RINGER_MODE_SILENT; 2115 } 2116 } 2117 } 2118 break; 2119 case RINGER_MODE_VIBRATE: 2120 if (!mHasVibrator) { 2121 Log.e(TAG, "checkForRingerModeChange() current ringer mode is vibrate" + 2122 "but no vibrator is present"); 2123 break; 2124 } 2125 if ((direction == AudioManager.ADJUST_LOWER)) { 2126 if (mPrevVolDirection != AudioManager.ADJUST_LOWER) { 2127 ringerMode = RINGER_MODE_SILENT; 2128 } 2129 } else if (direction == AudioManager.ADJUST_RAISE) { 2130 ringerMode = RINGER_MODE_NORMAL; 2131 } 2132 adjustVolumeIndex = false; 2133 break; 2134 case RINGER_MODE_SILENT: 2135 if (direction == AudioManager.ADJUST_RAISE) { 2136 if (mHasVibrator) { 2137 ringerMode = RINGER_MODE_VIBRATE; 2138 } else { 2139 ringerMode = RINGER_MODE_NORMAL; 2140 } 2141 } 2142 adjustVolumeIndex = false; 2143 break; 2144 default: 2145 Log.e(TAG, "checkForRingerModeChange() wrong ringer mode: "+ringerMode); 2146 break; 2147 } 2148 2149 setRingerMode(ringerMode); 2150 2151 mPrevVolDirection = direction; 2152 2153 return adjustVolumeIndex; 2154 } 2155 2156 public boolean isStreamAffectedByRingerMode(int streamType) { 2157 return (mRingerModeAffectedStreams & (1 << streamType)) != 0; 2158 } 2159 2160 private boolean isStreamMutedByRingerMode(int streamType) { 2161 return (mRingerModeMutedStreams & (1 << streamType)) != 0; 2162 } 2163 2164 public boolean isStreamAffectedByMute(int streamType) { 2165 return (mMuteAffectedStreams & (1 << streamType)) != 0; 2166 } 2167 2168 private void ensureValidDirection(int direction) { 2169 if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) { 2170 throw new IllegalArgumentException("Bad direction " + direction); 2171 } 2172 } 2173 2174 private void ensureValidSteps(int steps) { 2175 if (Math.abs(steps) > MAX_BATCH_VOLUME_ADJUST_STEPS) { 2176 throw new IllegalArgumentException("Bad volume adjust steps " + steps); 2177 } 2178 } 2179 2180 private void ensureValidStreamType(int streamType) { 2181 if (streamType < 0 || streamType >= mStreamStates.length) { 2182 throw new IllegalArgumentException("Bad stream type " + streamType); 2183 } 2184 } 2185 2186 private boolean isInCommunication() { 2187 boolean isOffhook = false; 2188 2189 if (mVoiceCapable) { 2190 try { 2191 ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 2192 if (phone != null) isOffhook = phone.isOffhook(); 2193 } catch (RemoteException e) { 2194 Log.w(TAG, "Couldn't connect to phone service", e); 2195 } 2196 } 2197 return (isOffhook || getMode() == AudioManager.MODE_IN_COMMUNICATION); 2198 } 2199 2200 private int getActiveStreamType(int suggestedStreamType) { 2201 if (mVoiceCapable) { 2202 if (isInCommunication()) { 2203 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) 2204 == AudioSystem.FORCE_BT_SCO) { 2205 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); 2206 return AudioSystem.STREAM_BLUETOOTH_SCO; 2207 } else { 2208 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); 2209 return AudioSystem.STREAM_VOICE_CALL; 2210 } 2211 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 2212 // Having the suggested stream be USE_DEFAULT_STREAM_TYPE is how remote control 2213 // volume can have priority over STREAM_MUSIC 2214 if (checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) { 2215 if (DEBUG_VOL) 2216 Log.v(TAG, "getActiveStreamType: Forcing STREAM_REMOTE_MUSIC"); 2217 return STREAM_REMOTE_MUSIC; 2218 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 2219 if (DEBUG_VOL) 2220 Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active"); 2221 return AudioSystem.STREAM_MUSIC; 2222 } else { 2223 if (DEBUG_VOL) 2224 Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING b/c default"); 2225 return AudioSystem.STREAM_RING; 2226 } 2227 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 2228 if (DEBUG_VOL) 2229 Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active"); 2230 return AudioSystem.STREAM_MUSIC; 2231 } else { 2232 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type " 2233 + suggestedStreamType); 2234 return suggestedStreamType; 2235 } 2236 } else { 2237 if (isInCommunication()) { 2238 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) 2239 == AudioSystem.FORCE_BT_SCO) { 2240 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO"); 2241 return AudioSystem.STREAM_BLUETOOTH_SCO; 2242 } else { 2243 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL"); 2244 return AudioSystem.STREAM_VOICE_CALL; 2245 } 2246 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_NOTIFICATION, 2247 NOTIFICATION_VOLUME_DELAY_MS) || 2248 AudioSystem.isStreamActive(AudioSystem.STREAM_RING, 2249 NOTIFICATION_VOLUME_DELAY_MS)) { 2250 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION"); 2251 return AudioSystem.STREAM_NOTIFICATION; 2252 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 2253 if (checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) { 2254 // Having the suggested stream be USE_DEFAULT_STREAM_TYPE is how remote control 2255 // volume can have priority over STREAM_MUSIC 2256 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_REMOTE_MUSIC"); 2257 return STREAM_REMOTE_MUSIC; 2258 } else { 2259 if (DEBUG_VOL) 2260 Log.v(TAG, "getActiveStreamType: using STREAM_MUSIC as default"); 2261 return AudioSystem.STREAM_MUSIC; 2262 } 2263 } else { 2264 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type " 2265 + suggestedStreamType); 2266 return suggestedStreamType; 2267 } 2268 } 2269 } 2270 2271 private void broadcastRingerMode(int ringerMode) { 2272 // Send sticky broadcast 2273 Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION); 2274 broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, ringerMode); 2275 broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT 2276 | Intent.FLAG_RECEIVER_REPLACE_PENDING); 2277 long origCallerIdentityToken = Binder.clearCallingIdentity(); 2278 mContext.sendStickyBroadcast(broadcast); 2279 Binder.restoreCallingIdentity(origCallerIdentityToken); 2280 } 2281 2282 private void broadcastVibrateSetting(int vibrateType) { 2283 // Send broadcast 2284 if (ActivityManagerNative.isSystemReady()) { 2285 Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); 2286 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); 2287 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); 2288 mContext.sendBroadcast(broadcast); 2289 } 2290 } 2291 2292 // Message helper methods 2293 /** 2294 * Queue a message on the given handler's message queue, after acquiring the service wake lock. 2295 * Note that the wake lock needs to be released after the message has been handled. 2296 */ 2297 private void queueMsgUnderWakeLock(Handler handler, int msg, 2298 int arg1, int arg2, Object obj, int delay) { 2299 mMediaEventWakeLock.acquire(); 2300 sendMsg(handler, msg, SENDMSG_QUEUE, arg1, arg2, obj, delay); 2301 } 2302 2303 private static void sendMsg(Handler handler, int msg, 2304 int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { 2305 2306 if (existingMsgPolicy == SENDMSG_REPLACE) { 2307 handler.removeMessages(msg); 2308 } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { 2309 return; 2310 } 2311 2312 handler.sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); 2313 } 2314 2315 boolean checkAudioSettingsPermission(String method) { 2316 if (mContext.checkCallingOrSelfPermission("android.permission.MODIFY_AUDIO_SETTINGS") 2317 == PackageManager.PERMISSION_GRANTED) { 2318 return true; 2319 } 2320 String msg = "Audio Settings Permission Denial: " + method + " from pid=" 2321 + Binder.getCallingPid() 2322 + ", uid=" + Binder.getCallingUid(); 2323 Log.w(TAG, msg); 2324 return false; 2325 } 2326 2327 private int getDeviceForStream(int stream) { 2328 int device = AudioSystem.getDevicesForStream(stream); 2329 if ((device & (device - 1)) != 0) { 2330 // Multiple device selection is either: 2331 // - speaker + one other device: give priority to speaker in this case. 2332 // - one A2DP device + another device: happens with duplicated output. In this case 2333 // retain the device on the A2DP output as the other must not correspond to an active 2334 // selection if not the speaker. 2335 if ((device & AudioSystem.DEVICE_OUT_SPEAKER) != 0) { 2336 device = AudioSystem.DEVICE_OUT_SPEAKER; 2337 } else { 2338 device &= AudioSystem.DEVICE_OUT_ALL_A2DP; 2339 } 2340 } 2341 return device; 2342 } 2343 2344 public void setWiredDeviceConnectionState(int device, int state, String name) { 2345 synchronized (mConnectedDevices) { 2346 int delay = checkSendBecomingNoisyIntent(device, state); 2347 queueMsgUnderWakeLock(mAudioHandler, 2348 MSG_SET_WIRED_DEVICE_CONNECTION_STATE, 2349 device, 2350 state, 2351 name, 2352 delay); 2353 } 2354 } 2355 2356 public int setBluetoothA2dpDeviceConnectionState(BluetoothDevice device, int state) 2357 { 2358 int delay; 2359 synchronized (mConnectedDevices) { 2360 delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 2361 (state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0); 2362 queueMsgUnderWakeLock(mAudioHandler, 2363 MSG_SET_A2DP_CONNECTION_STATE, 2364 state, 2365 0, 2366 device, 2367 delay); 2368 } 2369 return delay; 2370 } 2371 2372 /////////////////////////////////////////////////////////////////////////// 2373 // Inner classes 2374 /////////////////////////////////////////////////////////////////////////// 2375 2376 public class VolumeStreamState { 2377 private final int mStreamType; 2378 2379 private String mVolumeIndexSettingName; 2380 private String mLastAudibleVolumeIndexSettingName; 2381 private int mIndexMax; 2382 private final ConcurrentHashMap<Integer, Integer> mIndex = 2383 new ConcurrentHashMap<Integer, Integer>(8, 0.75f, 4); 2384 private final ConcurrentHashMap<Integer, Integer> mLastAudibleIndex = 2385 new ConcurrentHashMap<Integer, Integer>(8, 0.75f, 4); 2386 private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo clients death 2387 2388 private VolumeStreamState(String settingName, int streamType) { 2389 2390 mVolumeIndexSettingName = settingName; 2391 mLastAudibleVolumeIndexSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 2392 2393 mStreamType = streamType; 2394 mIndexMax = MAX_STREAM_VOLUME[streamType]; 2395 AudioSystem.initStreamVolume(streamType, 0, mIndexMax); 2396 mIndexMax *= 10; 2397 2398 readSettings(); 2399 2400 mDeathHandlers = new ArrayList<VolumeDeathHandler>(); 2401 } 2402 2403 public String getSettingNameForDevice(boolean lastAudible, int device) { 2404 String name = lastAudible ? 2405 mLastAudibleVolumeIndexSettingName : 2406 mVolumeIndexSettingName; 2407 String suffix = AudioSystem.getDeviceName(device); 2408 if (suffix.isEmpty()) { 2409 return name; 2410 } 2411 return name + "_" + suffix; 2412 } 2413 2414 public synchronized void readSettings() { 2415 int remainingDevices = AudioSystem.DEVICE_OUT_ALL; 2416 2417 for (int i = 0; remainingDevices != 0; i++) { 2418 int device = (1 << i); 2419 if ((device & remainingDevices) == 0) { 2420 continue; 2421 } 2422 remainingDevices &= ~device; 2423 2424 // retrieve current volume for device 2425 String name = getSettingNameForDevice(false /* lastAudible */, device); 2426 // if no volume stored for current stream and device, use default volume if default 2427 // device, continue otherwise 2428 int defaultIndex = (device == AudioSystem.DEVICE_OUT_DEFAULT) ? 2429 AudioManager.DEFAULT_STREAM_VOLUME[mStreamType] : -1; 2430 int index = Settings.System.getInt(mContentResolver, name, defaultIndex); 2431 if (index == -1) { 2432 continue; 2433 } 2434 2435 // retrieve last audible volume for device 2436 name = getSettingNameForDevice(true /* lastAudible */, device); 2437 // use stored last audible index if present, otherwise use current index if not 0 2438 // or default index 2439 defaultIndex = (index > 0) ? 2440 index : AudioManager.DEFAULT_STREAM_VOLUME[mStreamType]; 2441 int lastAudibleIndex = Settings.System.getInt(mContentResolver, name, defaultIndex); 2442 2443 // a last audible index of 0 should never be stored for ring and notification 2444 // streams on phones (voice capable devices). 2445 // same for system stream on phones and tablets 2446 if ((lastAudibleIndex == 0) && 2447 ((mVoiceCapable && 2448 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_RING)) || 2449 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_SYSTEM))) { 2450 lastAudibleIndex = AudioManager.DEFAULT_STREAM_VOLUME[mStreamType]; 2451 // Correct the data base 2452 sendMsg(mAudioHandler, 2453 MSG_PERSIST_VOLUME, 2454 SENDMSG_QUEUE, 2455 PERSIST_LAST_AUDIBLE, 2456 device, 2457 this, 2458 PERSIST_DELAY); 2459 } 2460 mLastAudibleIndex.put(device, getValidIndex(10 * lastAudibleIndex)); 2461 // the initial index should never be 0 for ring and notification streams on phones 2462 // (voice capable devices) if not in silent or vibrate mode. 2463 // same for system stream on phones and tablets 2464 if ((index == 0) && (mRingerMode == AudioManager.RINGER_MODE_NORMAL) && 2465 ((mVoiceCapable && 2466 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_RING)) || 2467 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_SYSTEM))) { 2468 index = lastAudibleIndex; 2469 // Correct the data base 2470 sendMsg(mAudioHandler, 2471 MSG_PERSIST_VOLUME, 2472 SENDMSG_QUEUE, 2473 PERSIST_CURRENT, 2474 device, 2475 this, 2476 PERSIST_DELAY); 2477 } 2478 mIndex.put(device, getValidIndex(10 * index)); 2479 } 2480 } 2481 2482 public void applyDeviceVolume(int device) { 2483 AudioSystem.setStreamVolumeIndex(mStreamType, 2484 (getIndex(device, false /* lastAudible */) + 5)/10, 2485 device); 2486 } 2487 2488 public synchronized void applyAllVolumes() { 2489 // apply default volume first: by convention this will reset all 2490 // devices volumes in audio policy manager to the supplied value 2491 AudioSystem.setStreamVolumeIndex(mStreamType, 2492 (getIndex(AudioSystem.DEVICE_OUT_DEFAULT, false /* lastAudible */) + 5)/10, 2493 AudioSystem.DEVICE_OUT_DEFAULT); 2494 // then apply device specific volumes 2495 Set set = mIndex.entrySet(); 2496 Iterator i = set.iterator(); 2497 while (i.hasNext()) { 2498 Map.Entry entry = (Map.Entry)i.next(); 2499 int device = ((Integer)entry.getKey()).intValue(); 2500 if (device != AudioSystem.DEVICE_OUT_DEFAULT) { 2501 AudioSystem.setStreamVolumeIndex(mStreamType, 2502 ((Integer)entry.getValue() + 5)/10, 2503 device); 2504 } 2505 } 2506 } 2507 2508 public boolean adjustIndex(int deltaIndex, int device) { 2509 return setIndex(getIndex(device, 2510 false /* lastAudible */) + deltaIndex, 2511 device, 2512 true /* lastAudible */); 2513 } 2514 2515 public synchronized boolean setIndex(int index, int device, boolean lastAudible) { 2516 int oldIndex = getIndex(device, false /* lastAudible */); 2517 index = getValidIndex(index); 2518 mIndex.put(device, getValidIndex(index)); 2519 2520 if (oldIndex != index) { 2521 if (lastAudible) { 2522 mLastAudibleIndex.put(device, index); 2523 } 2524 // Apply change to all streams using this one as alias 2525 // if changing volume of current device, also change volume of current 2526 // device on aliased stream 2527 boolean currentDevice = (device == getDeviceForStream(mStreamType)); 2528 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2529 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2530 if (streamType != mStreamType && 2531 mStreamVolumeAlias[streamType] == mStreamType) { 2532 int scaledIndex = rescaleIndex(index, mStreamType, streamType); 2533 mStreamStates[streamType].setIndex(scaledIndex, 2534 device, 2535 lastAudible); 2536 if (currentDevice) { 2537 mStreamStates[streamType].setIndex(scaledIndex, 2538 getDeviceForStream(streamType), 2539 lastAudible); 2540 } 2541 } 2542 } 2543 return true; 2544 } else { 2545 return false; 2546 } 2547 } 2548 2549 public synchronized int getIndex(int device, boolean lastAudible) { 2550 ConcurrentHashMap <Integer, Integer> indexes; 2551 if (lastAudible) { 2552 indexes = mLastAudibleIndex; 2553 } else { 2554 indexes = mIndex; 2555 } 2556 Integer index = indexes.get(device); 2557 if (index == null) { 2558 // there is always an entry for AudioSystem.DEVICE_OUT_DEFAULT 2559 index = indexes.get(AudioSystem.DEVICE_OUT_DEFAULT); 2560 } 2561 return index.intValue(); 2562 } 2563 2564 public synchronized void setLastAudibleIndex(int index, int device) { 2565 // Apply change to all streams using this one as alias 2566 // if changing volume of current device, also change volume of current 2567 // device on aliased stream 2568 boolean currentDevice = (device == getDeviceForStream(mStreamType)); 2569 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2570 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2571 if (streamType != mStreamType && 2572 mStreamVolumeAlias[streamType] == mStreamType) { 2573 int scaledIndex = rescaleIndex(index, mStreamType, streamType); 2574 mStreamStates[streamType].setLastAudibleIndex(scaledIndex, device); 2575 if (currentDevice) { 2576 mStreamStates[streamType].setLastAudibleIndex(scaledIndex, 2577 getDeviceForStream(streamType)); 2578 } 2579 } 2580 } 2581 mLastAudibleIndex.put(device, getValidIndex(index)); 2582 } 2583 2584 public synchronized void adjustLastAudibleIndex(int deltaIndex, int device) { 2585 setLastAudibleIndex(getIndex(device, 2586 true /* lastAudible */) + deltaIndex, 2587 device); 2588 } 2589 2590 public int getMaxIndex() { 2591 return mIndexMax; 2592 } 2593 2594 // only called by setAllIndexes() which is already synchronized 2595 public ConcurrentHashMap <Integer, Integer> getAllIndexes(boolean lastAudible) { 2596 if (lastAudible) { 2597 return mLastAudibleIndex; 2598 } else { 2599 return mIndex; 2600 } 2601 } 2602 2603 public synchronized void setAllIndexes(VolumeStreamState srcStream, boolean lastAudible) { 2604 ConcurrentHashMap <Integer, Integer> indexes = srcStream.getAllIndexes(lastAudible); 2605 Set set = indexes.entrySet(); 2606 Iterator i = set.iterator(); 2607 while (i.hasNext()) { 2608 Map.Entry entry = (Map.Entry)i.next(); 2609 int device = ((Integer)entry.getKey()).intValue(); 2610 int index = ((Integer)entry.getValue()).intValue(); 2611 index = rescaleIndex(index, srcStream.getStreamType(), mStreamType); 2612 setIndex(index, device, lastAudible); 2613 } 2614 } 2615 2616 public synchronized void mute(IBinder cb, boolean state) { 2617 VolumeDeathHandler handler = getDeathHandler(cb, state); 2618 if (handler == null) { 2619 Log.e(TAG, "Could not get client death handler for stream: "+mStreamType); 2620 return; 2621 } 2622 handler.mute(state); 2623 } 2624 2625 public int getStreamType() { 2626 return mStreamType; 2627 } 2628 2629 private int getValidIndex(int index) { 2630 if (index < 0) { 2631 return 0; 2632 } else if (index > mIndexMax) { 2633 return mIndexMax; 2634 } 2635 2636 return index; 2637 } 2638 2639 private class VolumeDeathHandler implements IBinder.DeathRecipient { 2640 private IBinder mICallback; // To be notified of client's death 2641 private int mMuteCount; // Number of active mutes for this client 2642 2643 VolumeDeathHandler(IBinder cb) { 2644 mICallback = cb; 2645 } 2646 2647 // must be called while synchronized on parent VolumeStreamState 2648 public void mute(boolean state) { 2649 if (state) { 2650 if (mMuteCount == 0) { 2651 // Register for client death notification 2652 try { 2653 // mICallback can be 0 if muted by AudioService 2654 if (mICallback != null) { 2655 mICallback.linkToDeath(this, 0); 2656 } 2657 mDeathHandlers.add(this); 2658 // If the stream is not yet muted by any client, set level to 0 2659 if (muteCount() == 0) { 2660 Set set = mIndex.entrySet(); 2661 Iterator i = set.iterator(); 2662 while (i.hasNext()) { 2663 Map.Entry entry = (Map.Entry)i.next(); 2664 int device = ((Integer)entry.getKey()).intValue(); 2665 setIndex(0, device, false /* lastAudible */); 2666 } 2667 sendMsg(mAudioHandler, 2668 MSG_SET_ALL_VOLUMES, 2669 SENDMSG_QUEUE, 2670 0, 2671 0, 2672 VolumeStreamState.this, 0); 2673 } 2674 } catch (RemoteException e) { 2675 // Client has died! 2676 binderDied(); 2677 return; 2678 } 2679 } else { 2680 Log.w(TAG, "stream: "+mStreamType+" was already muted by this client"); 2681 } 2682 mMuteCount++; 2683 } else { 2684 if (mMuteCount == 0) { 2685 Log.e(TAG, "unexpected unmute for stream: "+mStreamType); 2686 } else { 2687 mMuteCount--; 2688 if (mMuteCount == 0) { 2689 // Unregister from client death notification 2690 mDeathHandlers.remove(this); 2691 // mICallback can be 0 if muted by AudioService 2692 if (mICallback != null) { 2693 mICallback.unlinkToDeath(this, 0); 2694 } 2695 if (muteCount() == 0) { 2696 // If the stream is not muted any more, restore its volume if 2697 // ringer mode allows it 2698 if (!isStreamAffectedByRingerMode(mStreamType) || 2699 mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 2700 Set set = mIndex.entrySet(); 2701 Iterator i = set.iterator(); 2702 while (i.hasNext()) { 2703 Map.Entry entry = (Map.Entry)i.next(); 2704 int device = ((Integer)entry.getKey()).intValue(); 2705 setIndex(getIndex(device, 2706 true /* lastAudible */), 2707 device, 2708 false /* lastAudible */); 2709 } 2710 sendMsg(mAudioHandler, 2711 MSG_SET_ALL_VOLUMES, 2712 SENDMSG_QUEUE, 2713 0, 2714 0, 2715 VolumeStreamState.this, 0); 2716 } 2717 } 2718 } 2719 } 2720 } 2721 } 2722 2723 public void binderDied() { 2724 Log.w(TAG, "Volume service client died for stream: "+mStreamType); 2725 if (mMuteCount != 0) { 2726 // Reset all active mute requests from this client. 2727 mMuteCount = 1; 2728 mute(false); 2729 } 2730 } 2731 } 2732 2733 private synchronized int muteCount() { 2734 int count = 0; 2735 int size = mDeathHandlers.size(); 2736 for (int i = 0; i < size; i++) { 2737 count += mDeathHandlers.get(i).mMuteCount; 2738 } 2739 return count; 2740 } 2741 2742 // only called by mute() which is already synchronized 2743 private VolumeDeathHandler getDeathHandler(IBinder cb, boolean state) { 2744 VolumeDeathHandler handler; 2745 int size = mDeathHandlers.size(); 2746 for (int i = 0; i < size; i++) { 2747 handler = mDeathHandlers.get(i); 2748 if (cb == handler.mICallback) { 2749 return handler; 2750 } 2751 } 2752 // If this is the first mute request for this client, create a new 2753 // client death handler. Otherwise, it is an out of sequence unmute request. 2754 if (state) { 2755 handler = new VolumeDeathHandler(cb); 2756 } else { 2757 Log.w(TAG, "stream was not muted by this client"); 2758 handler = null; 2759 } 2760 return handler; 2761 } 2762 2763 private void dump(PrintWriter pw) { 2764 pw.print(" Current: "); 2765 Set set = mIndex.entrySet(); 2766 Iterator i = set.iterator(); 2767 while (i.hasNext()) { 2768 Map.Entry entry = (Map.Entry)i.next(); 2769 pw.print(Integer.toHexString(((Integer)entry.getKey()).intValue()) 2770 + ": " + ((((Integer)entry.getValue()).intValue() + 5) / 10)+", "); 2771 } 2772 pw.print("\n Last audible: "); 2773 set = mLastAudibleIndex.entrySet(); 2774 i = set.iterator(); 2775 while (i.hasNext()) { 2776 Map.Entry entry = (Map.Entry)i.next(); 2777 pw.print(Integer.toHexString(((Integer)entry.getKey()).intValue()) 2778 + ": " + ((((Integer)entry.getValue()).intValue() + 5) / 10)+", "); 2779 } 2780 } 2781 } 2782 2783 /** Thread that handles native AudioSystem control. */ 2784 private class AudioSystemThread extends Thread { 2785 AudioSystemThread() { 2786 super("AudioService"); 2787 } 2788 2789 @Override 2790 public void run() { 2791 // Set this thread up so the handler will work on it 2792 Looper.prepare(); 2793 2794 synchronized(AudioService.this) { 2795 mAudioHandler = new AudioHandler(); 2796 2797 // Notify that the handler has been created 2798 AudioService.this.notify(); 2799 } 2800 2801 // Listen for volume change requests that are set by VolumePanel 2802 Looper.loop(); 2803 } 2804 } 2805 2806 /** Handles internal volume messages in separate volume thread. */ 2807 private class AudioHandler extends Handler { 2808 2809 private void setDeviceVolume(VolumeStreamState streamState, int device) { 2810 2811 // Apply volume 2812 streamState.applyDeviceVolume(device); 2813 2814 // Apply change to all streams using this one as alias 2815 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2816 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2817 if (streamType != streamState.mStreamType && 2818 mStreamVolumeAlias[streamType] == streamState.mStreamType) { 2819 mStreamStates[streamType].applyDeviceVolume(getDeviceForStream(streamType)); 2820 } 2821 } 2822 2823 // Post a persist volume msg 2824 sendMsg(mAudioHandler, 2825 MSG_PERSIST_VOLUME, 2826 SENDMSG_QUEUE, 2827 PERSIST_CURRENT|PERSIST_LAST_AUDIBLE, 2828 device, 2829 streamState, 2830 PERSIST_DELAY); 2831 2832 } 2833 2834 private void setAllVolumes(VolumeStreamState streamState) { 2835 2836 // Apply volume 2837 streamState.applyAllVolumes(); 2838 2839 // Apply change to all streams using this one as alias 2840 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2841 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2842 if (streamType != streamState.mStreamType && 2843 mStreamVolumeAlias[streamType] == streamState.mStreamType) { 2844 mStreamStates[streamType].applyAllVolumes(); 2845 } 2846 } 2847 } 2848 2849 private void persistVolume(VolumeStreamState streamState, 2850 int persistType, 2851 int device) { 2852 if ((persistType & PERSIST_CURRENT) != 0) { 2853 System.putInt(mContentResolver, 2854 streamState.getSettingNameForDevice(false /* lastAudible */, device), 2855 (streamState.getIndex(device, false /* lastAudible */) + 5)/ 10); 2856 } 2857 if ((persistType & PERSIST_LAST_AUDIBLE) != 0) { 2858 System.putInt(mContentResolver, 2859 streamState.getSettingNameForDevice(true /* lastAudible */, device), 2860 (streamState.getIndex(device, true /* lastAudible */) + 5) / 10); 2861 } 2862 } 2863 2864 private void persistRingerMode(int ringerMode) { 2865 System.putInt(mContentResolver, System.MODE_RINGER, ringerMode); 2866 } 2867 2868 private void playSoundEffect(int effectType, int volume) { 2869 synchronized (mSoundEffectsLock) { 2870 if (mSoundPool == null) { 2871 return; 2872 } 2873 float volFloat; 2874 // use default if volume is not specified by caller 2875 if (volume < 0) { 2876 volFloat = (float)Math.pow(10, SOUND_EFFECT_VOLUME_DB/20); 2877 } else { 2878 volFloat = (float) volume / 1000.0f; 2879 } 2880 2881 if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) { 2882 mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1], volFloat, volFloat, 0, 0, 1.0f); 2883 } else { 2884 MediaPlayer mediaPlayer = new MediaPlayer(); 2885 try { 2886 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effectType][0]]; 2887 mediaPlayer.setDataSource(filePath); 2888 mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM); 2889 mediaPlayer.prepare(); 2890 mediaPlayer.setVolume(volFloat, volFloat); 2891 mediaPlayer.setOnCompletionListener(new OnCompletionListener() { 2892 public void onCompletion(MediaPlayer mp) { 2893 cleanupPlayer(mp); 2894 } 2895 }); 2896 mediaPlayer.setOnErrorListener(new OnErrorListener() { 2897 public boolean onError(MediaPlayer mp, int what, int extra) { 2898 cleanupPlayer(mp); 2899 return true; 2900 } 2901 }); 2902 mediaPlayer.start(); 2903 } catch (IOException ex) { 2904 Log.w(TAG, "MediaPlayer IOException: "+ex); 2905 } catch (IllegalArgumentException ex) { 2906 Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex); 2907 } catch (IllegalStateException ex) { 2908 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 2909 } 2910 } 2911 } 2912 } 2913 2914 private void onHandlePersistMediaButtonReceiver(ComponentName receiver) { 2915 Settings.System.putString(mContentResolver, Settings.System.MEDIA_BUTTON_RECEIVER, 2916 receiver == null ? "" : receiver.flattenToString()); 2917 } 2918 2919 private void cleanupPlayer(MediaPlayer mp) { 2920 if (mp != null) { 2921 try { 2922 mp.stop(); 2923 mp.release(); 2924 } catch (IllegalStateException ex) { 2925 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 2926 } 2927 } 2928 } 2929 2930 private void setForceUse(int usage, int config) { 2931 AudioSystem.setForceUse(usage, config); 2932 } 2933 2934 @Override 2935 public void handleMessage(Message msg) { 2936 2937 switch (msg.what) { 2938 2939 case MSG_SET_DEVICE_VOLUME: 2940 setDeviceVolume((VolumeStreamState) msg.obj, msg.arg1); 2941 break; 2942 2943 case MSG_SET_ALL_VOLUMES: 2944 setAllVolumes((VolumeStreamState) msg.obj); 2945 break; 2946 2947 case MSG_PERSIST_VOLUME: 2948 persistVolume((VolumeStreamState) msg.obj, msg.arg1, msg.arg2); 2949 break; 2950 2951 case MSG_PERSIST_MASTER_VOLUME: 2952 Settings.System.putFloat(mContentResolver, Settings.System.VOLUME_MASTER, 2953 (float)msg.arg1 / (float)1000.0); 2954 break; 2955 2956 case MSG_PERSIST_MASTER_VOLUME_MUTE: 2957 Settings.System.putInt(mContentResolver, Settings.System.VOLUME_MASTER_MUTE, 2958 msg.arg1); 2959 break; 2960 2961 case MSG_PERSIST_RINGER_MODE: 2962 // note that the value persisted is the current ringer mode, not the 2963 // value of ringer mode as of the time the request was made to persist 2964 persistRingerMode(getRingerMode()); 2965 break; 2966 2967 case MSG_MEDIA_SERVER_DIED: 2968 if (!mMediaServerOk) { 2969 Log.e(TAG, "Media server died."); 2970 // Force creation of new IAudioFlinger interface so that we are notified 2971 // when new media_server process is back to life. 2972 AudioSystem.setErrorCallback(mAudioSystemCallback); 2973 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0, 2974 null, 500); 2975 } 2976 break; 2977 2978 case MSG_MEDIA_SERVER_STARTED: 2979 Log.e(TAG, "Media server started."); 2980 // indicate to audio HAL that we start the reconfiguration phase after a media 2981 // server crash 2982 // Note that MSG_MEDIA_SERVER_STARTED message is only received when the media server 2983 // process restarts after a crash, not the first time it is started. 2984 AudioSystem.setParameters("restarting=true"); 2985 2986 // Restore device connection states 2987 synchronized (mConnectedDevices) { 2988 Set set = mConnectedDevices.entrySet(); 2989 Iterator i = set.iterator(); 2990 while (i.hasNext()) { 2991 Map.Entry device = (Map.Entry)i.next(); 2992 AudioSystem.setDeviceConnectionState( 2993 ((Integer)device.getKey()).intValue(), 2994 AudioSystem.DEVICE_STATE_AVAILABLE, 2995 (String)device.getValue()); 2996 } 2997 } 2998 // Restore call state 2999 AudioSystem.setPhoneState(mMode); 3000 3001 // Restore forced usage for communcations and record 3002 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm); 3003 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm); 3004 3005 // Restore stream volumes 3006 int numStreamTypes = AudioSystem.getNumStreamTypes(); 3007 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 3008 VolumeStreamState streamState = mStreamStates[streamType]; 3009 AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10); 3010 3011 streamState.applyAllVolumes(); 3012 } 3013 3014 // Restore ringer mode 3015 setRingerModeInt(getRingerMode(), false); 3016 3017 // Restore master volume 3018 restoreMasterVolume(); 3019 3020 // Reset device orientation (if monitored for this device) 3021 if (SystemProperties.getBoolean("ro.audio.monitorOrientation", false)) { 3022 setOrientationForAudioSystem(); 3023 } 3024 3025 synchronized (mBluetoothA2dpEnabledLock) { 3026 AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, 3027 mBluetoothA2dpEnabled ? 3028 AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP); 3029 } 3030 // indicate the end of reconfiguration phase to audio HAL 3031 AudioSystem.setParameters("restarting=false"); 3032 break; 3033 3034 case MSG_LOAD_SOUND_EFFECTS: 3035 loadSoundEffects(); 3036 break; 3037 3038 case MSG_PLAY_SOUND_EFFECT: 3039 playSoundEffect(msg.arg1, msg.arg2); 3040 break; 3041 3042 case MSG_BTA2DP_DOCK_TIMEOUT: 3043 // msg.obj == address of BTA2DP device 3044 synchronized (mConnectedDevices) { 3045 makeA2dpDeviceUnavailableNow( (String) msg.obj ); 3046 } 3047 break; 3048 3049 case MSG_SET_FORCE_USE: 3050 setForceUse(msg.arg1, msg.arg2); 3051 break; 3052 3053 case MSG_PERSIST_MEDIABUTTONRECEIVER: 3054 onHandlePersistMediaButtonReceiver( (ComponentName) msg.obj ); 3055 break; 3056 3057 case MSG_RCDISPLAY_CLEAR: 3058 onRcDisplayClear(); 3059 break; 3060 3061 case MSG_RCDISPLAY_UPDATE: 3062 // msg.obj is guaranteed to be non null 3063 onRcDisplayUpdate( (RemoteControlStackEntry) msg.obj, msg.arg1); 3064 break; 3065 3066 case MSG_BT_HEADSET_CNCT_FAILED: 3067 resetBluetoothSco(); 3068 break; 3069 3070 case MSG_SET_WIRED_DEVICE_CONNECTION_STATE: 3071 onSetWiredDeviceConnectionState(msg.arg1, msg.arg2, (String)msg.obj); 3072 mMediaEventWakeLock.release(); 3073 break; 3074 3075 case MSG_SET_A2DP_CONNECTION_STATE: 3076 onSetA2dpConnectionState((BluetoothDevice)msg.obj, msg.arg1); 3077 mMediaEventWakeLock.release(); 3078 break; 3079 3080 case MSG_REPORT_NEW_ROUTES: { 3081 int N = mRoutesObservers.beginBroadcast(); 3082 if (N > 0) { 3083 AudioRoutesInfo routes; 3084 synchronized (mCurAudioRoutes) { 3085 routes = new AudioRoutesInfo(mCurAudioRoutes); 3086 } 3087 while (N > 0) { 3088 N--; 3089 IAudioRoutesObserver obs = mRoutesObservers.getBroadcastItem(N); 3090 try { 3091 obs.dispatchAudioRoutesChanged(routes); 3092 } catch (RemoteException e) { 3093 } 3094 } 3095 } 3096 mRoutesObservers.finishBroadcast(); 3097 break; 3098 } 3099 3100 case MSG_REEVALUATE_REMOTE: 3101 onReevaluateRemote(); 3102 break; 3103 } 3104 } 3105 } 3106 3107 private class SettingsObserver extends ContentObserver { 3108 3109 SettingsObserver() { 3110 super(new Handler()); 3111 mContentResolver.registerContentObserver(Settings.System.getUriFor( 3112 Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); 3113 } 3114 3115 @Override 3116 public void onChange(boolean selfChange) { 3117 super.onChange(selfChange); 3118 // FIXME This synchronized is not necessary if mSettingsLock only protects mRingerMode. 3119 // However there appear to be some missing locks around mRingerModeMutedStreams 3120 // and mRingerModeAffectedStreams, so will leave this synchronized for now. 3121 // mRingerModeMutedStreams and mMuteAffectedStreams are safe (only accessed once). 3122 synchronized (mSettingsLock) { 3123 int ringerModeAffectedStreams = Settings.System.getInt(mContentResolver, 3124 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 3125 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 3126 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 3127 if (mVoiceCapable) { 3128 ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); 3129 } else { 3130 ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); 3131 } 3132 if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { 3133 /* 3134 * Ensure all stream types that should be affected by ringer mode 3135 * are in the proper state. 3136 */ 3137 mRingerModeAffectedStreams = ringerModeAffectedStreams; 3138 setRingerModeInt(getRingerMode(), false); 3139 } 3140 } 3141 } 3142 } 3143 3144 // must be called synchronized on mConnectedDevices 3145 private void makeA2dpDeviceAvailable(String address) { 3146 // enable A2DP before notifying A2DP connection to avoid unecessary processing in 3147 // audio policy manager 3148 setBluetoothA2dpOnInt(true); 3149 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 3150 AudioSystem.DEVICE_STATE_AVAILABLE, 3151 address); 3152 // Reset A2DP suspend state each time a new sink is connected 3153 AudioSystem.setParameters("A2dpSuspended=false"); 3154 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP), 3155 address); 3156 } 3157 3158 private void sendBecomingNoisyIntent() { 3159 mContext.sendBroadcast(new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY)); 3160 } 3161 3162 // must be called synchronized on mConnectedDevices 3163 private void makeA2dpDeviceUnavailableNow(String address) { 3164 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 3165 AudioSystem.DEVICE_STATE_UNAVAILABLE, 3166 address); 3167 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 3168 } 3169 3170 // must be called synchronized on mConnectedDevices 3171 private void makeA2dpDeviceUnavailableLater(String address) { 3172 // prevent any activity on the A2DP audio output to avoid unwanted 3173 // reconnection of the sink. 3174 AudioSystem.setParameters("A2dpSuspended=true"); 3175 // the device will be made unavailable later, so consider it disconnected right away 3176 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 3177 // send the delayed message to make the device unavailable later 3178 Message msg = mAudioHandler.obtainMessage(MSG_BTA2DP_DOCK_TIMEOUT, address); 3179 mAudioHandler.sendMessageDelayed(msg, BTA2DP_DOCK_TIMEOUT_MILLIS); 3180 3181 } 3182 3183 // must be called synchronized on mConnectedDevices 3184 private void cancelA2dpDeviceTimeout() { 3185 mAudioHandler.removeMessages(MSG_BTA2DP_DOCK_TIMEOUT); 3186 } 3187 3188 // must be called synchronized on mConnectedDevices 3189 private boolean hasScheduledA2dpDockTimeout() { 3190 return mAudioHandler.hasMessages(MSG_BTA2DP_DOCK_TIMEOUT); 3191 } 3192 3193 private void onSetA2dpConnectionState(BluetoothDevice btDevice, int state) 3194 { 3195 if (btDevice == null) { 3196 return; 3197 } 3198 String address = btDevice.getAddress(); 3199 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 3200 address = ""; 3201 } 3202 synchronized (mConnectedDevices) { 3203 boolean isConnected = 3204 (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) && 3205 mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP).equals(address)); 3206 3207 if (isConnected && state != BluetoothProfile.STATE_CONNECTED) { 3208 if (btDevice.isBluetoothDock()) { 3209 if (state == BluetoothProfile.STATE_DISCONNECTED) { 3210 // introduction of a delay for transient disconnections of docks when 3211 // power is rapidly turned off/on, this message will be canceled if 3212 // we reconnect the dock under a preset delay 3213 makeA2dpDeviceUnavailableLater(address); 3214 // the next time isConnected is evaluated, it will be false for the dock 3215 } 3216 } else { 3217 makeA2dpDeviceUnavailableNow(address); 3218 } 3219 synchronized (mCurAudioRoutes) { 3220 if (mCurAudioRoutes.mBluetoothName != null) { 3221 mCurAudioRoutes.mBluetoothName = null; 3222 sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES, 3223 SENDMSG_NOOP, 0, 0, null, 0); 3224 } 3225 } 3226 } else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) { 3227 if (btDevice.isBluetoothDock()) { 3228 // this could be a reconnection after a transient disconnection 3229 cancelA2dpDeviceTimeout(); 3230 mDockAddress = address; 3231 } else { 3232 // this could be a connection of another A2DP device before the timeout of 3233 // a dock: cancel the dock timeout, and make the dock unavailable now 3234 if(hasScheduledA2dpDockTimeout()) { 3235 cancelA2dpDeviceTimeout(); 3236 makeA2dpDeviceUnavailableNow(mDockAddress); 3237 } 3238 } 3239 makeA2dpDeviceAvailable(address); 3240 synchronized (mCurAudioRoutes) { 3241 String name = btDevice.getAliasName(); 3242 if (!TextUtils.equals(mCurAudioRoutes.mBluetoothName, name)) { 3243 mCurAudioRoutes.mBluetoothName = name; 3244 sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES, 3245 SENDMSG_NOOP, 0, 0, null, 0); 3246 } 3247 } 3248 } 3249 } 3250 } 3251 3252 private boolean handleDeviceConnection(boolean connected, int device, String params) { 3253 synchronized (mConnectedDevices) { 3254 boolean isConnected = (mConnectedDevices.containsKey(device) && 3255 (params.isEmpty() || mConnectedDevices.get(device).equals(params))); 3256 3257 if (isConnected && !connected) { 3258 AudioSystem.setDeviceConnectionState(device, 3259 AudioSystem.DEVICE_STATE_UNAVAILABLE, 3260 mConnectedDevices.get(device)); 3261 mConnectedDevices.remove(device); 3262 return true; 3263 } else if (!isConnected && connected) { 3264 AudioSystem.setDeviceConnectionState(device, 3265 AudioSystem.DEVICE_STATE_AVAILABLE, 3266 params); 3267 mConnectedDevices.put(new Integer(device), params); 3268 return true; 3269 } 3270 } 3271 return false; 3272 } 3273 3274 // Devices which removal triggers intent ACTION_AUDIO_BECOMING_NOISY. The intent is only 3275 // sent if none of these devices is connected. 3276 int mBecomingNoisyIntentDevices = 3277 AudioSystem.DEVICE_OUT_WIRED_HEADSET | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE | 3278 AudioSystem.DEVICE_OUT_ALL_A2DP; 3279 3280 // must be called before removing the device from mConnectedDevices 3281 private int checkSendBecomingNoisyIntent(int device, int state) { 3282 int delay = 0; 3283 if ((state == 0) && ((device & mBecomingNoisyIntentDevices) != 0)) { 3284 int devices = 0; 3285 for (int dev : mConnectedDevices.keySet()) { 3286 if ((dev & mBecomingNoisyIntentDevices) != 0) { 3287 devices |= dev; 3288 } 3289 } 3290 if (devices == device) { 3291 delay = 1000; 3292 sendBecomingNoisyIntent(); 3293 } 3294 } 3295 3296 if (mAudioHandler.hasMessages(MSG_SET_A2DP_CONNECTION_STATE) || 3297 mAudioHandler.hasMessages(MSG_SET_WIRED_DEVICE_CONNECTION_STATE)) { 3298 delay = 1000; 3299 } 3300 return delay; 3301 } 3302 3303 private void sendDeviceConnectionIntent(int device, int state, String name) 3304 { 3305 Intent intent = new Intent(); 3306 3307 intent.putExtra("state", state); 3308 intent.putExtra("name", name); 3309 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 3310 3311 int connType = 0; 3312 3313 if (device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) { 3314 connType = AudioRoutesInfo.MAIN_HEADSET; 3315 intent.setAction(Intent.ACTION_HEADSET_PLUG); 3316 intent.putExtra("microphone", 1); 3317 } else if (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE) { 3318 connType = AudioRoutesInfo.MAIN_HEADPHONES; 3319 intent.setAction(Intent.ACTION_HEADSET_PLUG); 3320 intent.putExtra("microphone", 0); 3321 } else if (device == AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET) { 3322 connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS; 3323 intent.setAction(Intent.ACTION_ANALOG_AUDIO_DOCK_PLUG); 3324 } else if (device == AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET) { 3325 connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS; 3326 intent.setAction(Intent.ACTION_DIGITAL_AUDIO_DOCK_PLUG); 3327 } else if (device == AudioSystem.DEVICE_OUT_AUX_DIGITAL) { 3328 connType = AudioRoutesInfo.MAIN_HDMI; 3329 intent.setAction(Intent.ACTION_HDMI_AUDIO_PLUG); 3330 } 3331 3332 synchronized (mCurAudioRoutes) { 3333 if (connType != 0) { 3334 int newConn = mCurAudioRoutes.mMainType; 3335 if (state != 0) { 3336 newConn |= connType; 3337 } else { 3338 newConn &= ~connType; 3339 } 3340 if (newConn != mCurAudioRoutes.mMainType) { 3341 mCurAudioRoutes.mMainType = newConn; 3342 sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES, 3343 SENDMSG_NOOP, 0, 0, null, 0); 3344 } 3345 } 3346 } 3347 3348 ActivityManagerNative.broadcastStickyIntent(intent, null); 3349 } 3350 3351 private void onSetWiredDeviceConnectionState(int device, int state, String name) 3352 { 3353 synchronized (mConnectedDevices) { 3354 if ((state == 0) && ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) || 3355 (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE))) { 3356 setBluetoothA2dpOnInt(true); 3357 } 3358 handleDeviceConnection((state == 1), device, ""); 3359 if ((state != 0) && ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) || 3360 (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE))) { 3361 setBluetoothA2dpOnInt(false); 3362 } 3363 sendDeviceConnectionIntent(device, state, name); 3364 } 3365 } 3366 3367 /* cache of the address of the last dock the device was connected to */ 3368 private String mDockAddress; 3369 3370 /** 3371 * Receiver for misc intent broadcasts the Phone app cares about. 3372 */ 3373 private class AudioServiceBroadcastReceiver extends BroadcastReceiver { 3374 @Override 3375 public void onReceive(Context context, Intent intent) { 3376 String action = intent.getAction(); 3377 int device; 3378 int state; 3379 3380 if (action.equals(Intent.ACTION_DOCK_EVENT)) { 3381 int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 3382 Intent.EXTRA_DOCK_STATE_UNDOCKED); 3383 int config; 3384 switch (dockState) { 3385 case Intent.EXTRA_DOCK_STATE_DESK: 3386 config = AudioSystem.FORCE_BT_DESK_DOCK; 3387 break; 3388 case Intent.EXTRA_DOCK_STATE_CAR: 3389 config = AudioSystem.FORCE_BT_CAR_DOCK; 3390 break; 3391 case Intent.EXTRA_DOCK_STATE_LE_DESK: 3392 config = AudioSystem.FORCE_ANALOG_DOCK; 3393 break; 3394 case Intent.EXTRA_DOCK_STATE_HE_DESK: 3395 config = AudioSystem.FORCE_DIGITAL_DOCK; 3396 break; 3397 case Intent.EXTRA_DOCK_STATE_UNDOCKED: 3398 default: 3399 config = AudioSystem.FORCE_NONE; 3400 } 3401 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config); 3402 } else if (action.equals(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED)) { 3403 state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, 3404 BluetoothProfile.STATE_DISCONNECTED); 3405 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; 3406 String address = null; 3407 3408 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 3409 if (btDevice == null) { 3410 return; 3411 } 3412 3413 address = btDevice.getAddress(); 3414 BluetoothClass btClass = btDevice.getBluetoothClass(); 3415 if (btClass != null) { 3416 switch (btClass.getDeviceClass()) { 3417 case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: 3418 case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE: 3419 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; 3420 break; 3421 case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO: 3422 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; 3423 break; 3424 } 3425 } 3426 3427 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 3428 address = ""; 3429 } 3430 3431 boolean connected = (state == BluetoothProfile.STATE_CONNECTED); 3432 if (handleDeviceConnection(connected, device, address)) { 3433 synchronized (mScoClients) { 3434 if (connected) { 3435 mBluetoothHeadsetDevice = btDevice; 3436 } else { 3437 mBluetoothHeadsetDevice = null; 3438 resetBluetoothSco(); 3439 } 3440 } 3441 } 3442 } else if (action.equals(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG) || 3443 action.equals(Intent.ACTION_USB_AUDIO_DEVICE_PLUG)) { 3444 state = intent.getIntExtra("state", 0); 3445 int alsaCard = intent.getIntExtra("card", -1); 3446 int alsaDevice = intent.getIntExtra("device", -1); 3447 String params = (alsaCard == -1 && alsaDevice == -1 ? "" 3448 : "card=" + alsaCard + ";device=" + alsaDevice); 3449 device = action.equals(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG) ? 3450 AudioSystem.DEVICE_OUT_USB_ACCESSORY : AudioSystem.DEVICE_OUT_USB_DEVICE; 3451 Log.v(TAG, "Broadcast Receiver: Got " 3452 + (action.equals(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG) ? 3453 "ACTION_USB_AUDIO_ACCESSORY_PLUG" : "ACTION_USB_AUDIO_DEVICE_PLUG") 3454 + ", state = " + state + ", card: " + alsaCard + ", device: " + alsaDevice); 3455 handleDeviceConnection((state == 1), device, params); 3456 } else if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { 3457 boolean broadcast = false; 3458 int scoAudioState = AudioManager.SCO_AUDIO_STATE_ERROR; 3459 synchronized (mScoClients) { 3460 int btState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1); 3461 // broadcast intent if the connection was initated by AudioService 3462 if (!mScoClients.isEmpty() && 3463 (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || 3464 mScoAudioState == SCO_STATE_ACTIVATE_REQ || 3465 mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { 3466 broadcast = true; 3467 } 3468 switch (btState) { 3469 case BluetoothHeadset.STATE_AUDIO_CONNECTED: 3470 scoAudioState = AudioManager.SCO_AUDIO_STATE_CONNECTED; 3471 if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && 3472 mScoAudioState != SCO_STATE_DEACTIVATE_REQ && 3473 mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { 3474 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 3475 } 3476 break; 3477 case BluetoothHeadset.STATE_AUDIO_DISCONNECTED: 3478 scoAudioState = AudioManager.SCO_AUDIO_STATE_DISCONNECTED; 3479 mScoAudioState = SCO_STATE_INACTIVE; 3480 clearAllScoClients(0, false); 3481 break; 3482 case BluetoothHeadset.STATE_AUDIO_CONNECTING: 3483 if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && 3484 mScoAudioState != SCO_STATE_DEACTIVATE_REQ && 3485 mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { 3486 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 3487 } 3488 default: 3489 // do not broadcast CONNECTING or invalid state 3490 broadcast = false; 3491 break; 3492 } 3493 } 3494 if (broadcast) { 3495 broadcastScoConnectionState(scoAudioState); 3496 //FIXME: this is to maintain compatibility with deprecated intent 3497 // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. 3498 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); 3499 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, scoAudioState); 3500 mContext.sendStickyBroadcast(newIntent); 3501 } 3502 } else if (action.equals(Intent.ACTION_BOOT_COMPLETED)) { 3503 mBootCompleted = true; 3504 sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_NOOP, 3505 0, 0, null, 0); 3506 3507 mKeyguardManager = 3508 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 3509 mScoConnectionState = AudioManager.SCO_AUDIO_STATE_ERROR; 3510 resetBluetoothSco(); 3511 getBluetoothHeadset(); 3512 //FIXME: this is to maintain compatibility with deprecated intent 3513 // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. 3514 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); 3515 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, 3516 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 3517 mContext.sendStickyBroadcast(newIntent); 3518 3519 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); 3520 if (adapter != null) { 3521 adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, 3522 BluetoothProfile.A2DP); 3523 } 3524 } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)) { 3525 if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 3526 // a package is being removed, not replaced 3527 String packageName = intent.getData().getSchemeSpecificPart(); 3528 if (packageName != null) { 3529 removeMediaButtonReceiverForPackage(packageName); 3530 } 3531 } 3532 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 3533 AudioSystem.setParameters("screen_state=on"); 3534 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 3535 AudioSystem.setParameters("screen_state=off"); 3536 } else if (action.equalsIgnoreCase(Intent.ACTION_CONFIGURATION_CHANGED)) { 3537 handleConfigurationChanged(context); 3538 } 3539 } 3540 } 3541 3542 //========================================================================================== 3543 // AudioFocus 3544 //========================================================================================== 3545 3546 /* constant to identify focus stack entry that is used to hold the focus while the phone 3547 * is ringing or during a call. Used by com.android.internal.telephony.CallManager when 3548 * entering and exiting calls. 3549 */ 3550 public final static String IN_VOICE_COMM_FOCUS_ID = "AudioFocus_For_Phone_Ring_And_Calls"; 3551 3552 private final static Object mAudioFocusLock = new Object(); 3553 3554 private final static Object mRingingLock = new Object(); 3555 3556 private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 3557 @Override 3558 public void onCallStateChanged(int state, String incomingNumber) { 3559 if (state == TelephonyManager.CALL_STATE_RINGING) { 3560 //Log.v(TAG, " CALL_STATE_RINGING"); 3561 synchronized(mRingingLock) { 3562 mIsRinging = true; 3563 } 3564 } else if ((state == TelephonyManager.CALL_STATE_OFFHOOK) 3565 || (state == TelephonyManager.CALL_STATE_IDLE)) { 3566 synchronized(mRingingLock) { 3567 mIsRinging = false; 3568 } 3569 } 3570 } 3571 }; 3572 3573 private void notifyTopOfAudioFocusStack() { 3574 // notify the top of the stack it gained focus 3575 if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { 3576 if (canReassignAudioFocus()) { 3577 try { 3578 mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( 3579 AudioManager.AUDIOFOCUS_GAIN, mFocusStack.peek().mClientId); 3580 } catch (RemoteException e) { 3581 Log.e(TAG, "Failure to signal gain of audio control focus due to "+ e); 3582 e.printStackTrace(); 3583 } 3584 } 3585 } 3586 } 3587 3588 private static class FocusStackEntry { 3589 public int mStreamType = -1;// no stream type 3590 public IAudioFocusDispatcher mFocusDispatcher = null; 3591 public IBinder mSourceRef = null; 3592 public String mClientId; 3593 public int mFocusChangeType; 3594 public AudioFocusDeathHandler mHandler; 3595 public String mPackageName; 3596 public int mCallingUid; 3597 3598 public FocusStackEntry() { 3599 } 3600 3601 public FocusStackEntry(int streamType, int duration, 3602 IAudioFocusDispatcher afl, IBinder source, String id, AudioFocusDeathHandler hdlr, 3603 String pn, int uid) { 3604 mStreamType = streamType; 3605 mFocusDispatcher = afl; 3606 mSourceRef = source; 3607 mClientId = id; 3608 mFocusChangeType = duration; 3609 mHandler = hdlr; 3610 mPackageName = pn; 3611 mCallingUid = uid; 3612 } 3613 3614 public void unlinkToDeath() { 3615 try { 3616 if (mSourceRef != null && mHandler != null) { 3617 mSourceRef.unlinkToDeath(mHandler, 0); 3618 mHandler = null; 3619 } 3620 } catch (java.util.NoSuchElementException e) { 3621 Log.e(TAG, "Encountered " + e + " in FocusStackEntry.unlinkToDeath()"); 3622 } 3623 } 3624 3625 @Override 3626 protected void finalize() throws Throwable { 3627 unlinkToDeath(); // unlink exception handled inside method 3628 super.finalize(); 3629 } 3630 } 3631 3632 private final Stack<FocusStackEntry> mFocusStack = new Stack<FocusStackEntry>(); 3633 3634 /** 3635 * Helper function: 3636 * Display in the log the current entries in the audio focus stack 3637 */ 3638 private void dumpFocusStack(PrintWriter pw) { 3639 pw.println("\nAudio Focus stack entries:"); 3640 synchronized(mAudioFocusLock) { 3641 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3642 while(stackIterator.hasNext()) { 3643 FocusStackEntry fse = stackIterator.next(); 3644 pw.println(" source:" + fse.mSourceRef + " -- client: " + fse.mClientId 3645 + " -- duration: " + fse.mFocusChangeType 3646 + " -- uid: " + fse.mCallingUid); 3647 } 3648 } 3649 } 3650 3651 /** 3652 * Helper function: 3653 * Called synchronized on mAudioFocusLock 3654 * Remove a focus listener from the focus stack. 3655 * @param focusListenerToRemove the focus listener 3656 * @param signal if true and the listener was at the top of the focus stack, i.e. it was holding 3657 * focus, notify the next item in the stack it gained focus. 3658 */ 3659 private void removeFocusStackEntry(String clientToRemove, boolean signal) { 3660 // is the current top of the focus stack abandoning focus? (because of request, not death) 3661 if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientToRemove)) 3662 { 3663 //Log.i(TAG, " removeFocusStackEntry() removing top of stack"); 3664 FocusStackEntry fse = mFocusStack.pop(); 3665 fse.unlinkToDeath(); 3666 if (signal) { 3667 // notify the new top of the stack it gained focus 3668 notifyTopOfAudioFocusStack(); 3669 // there's a new top of the stack, let the remote control know 3670 synchronized(mRCStack) { 3671 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3672 } 3673 } 3674 } else { 3675 // focus is abandoned by a client that's not at the top of the stack, 3676 // no need to update focus. 3677 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3678 while(stackIterator.hasNext()) { 3679 FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); 3680 if(fse.mClientId.equals(clientToRemove)) { 3681 Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " 3682 + fse.mClientId); 3683 stackIterator.remove(); 3684 fse.unlinkToDeath(); 3685 } 3686 } 3687 } 3688 } 3689 3690 /** 3691 * Helper function: 3692 * Called synchronized on mAudioFocusLock 3693 * Remove focus listeners from the focus stack for a particular client when it has died. 3694 */ 3695 private void removeFocusStackEntryForClient(IBinder cb) { 3696 // is the owner of the audio focus part of the client to remove? 3697 boolean isTopOfStackForClientToRemove = !mFocusStack.isEmpty() && 3698 mFocusStack.peek().mSourceRef.equals(cb); 3699 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3700 while(stackIterator.hasNext()) { 3701 FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); 3702 if(fse.mSourceRef.equals(cb)) { 3703 Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " 3704 + fse.mClientId); 3705 stackIterator.remove(); 3706 // the client just died, no need to unlink to its death 3707 } 3708 } 3709 if (isTopOfStackForClientToRemove) { 3710 // we removed an entry at the top of the stack: 3711 // notify the new top of the stack it gained focus. 3712 notifyTopOfAudioFocusStack(); 3713 // there's a new top of the stack, let the remote control know 3714 synchronized(mRCStack) { 3715 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3716 } 3717 } 3718 } 3719 3720 /** 3721 * Helper function: 3722 * Returns true if the system is in a state where the focus can be reevaluated, false otherwise. 3723 */ 3724 private boolean canReassignAudioFocus() { 3725 // focus requests are rejected during a phone call or when the phone is ringing 3726 // this is equivalent to IN_VOICE_COMM_FOCUS_ID having the focus 3727 if (!mFocusStack.isEmpty() && IN_VOICE_COMM_FOCUS_ID.equals(mFocusStack.peek().mClientId)) { 3728 return false; 3729 } 3730 return true; 3731 } 3732 3733 /** 3734 * Inner class to monitor audio focus client deaths, and remove them from the audio focus 3735 * stack if necessary. 3736 */ 3737 private class AudioFocusDeathHandler implements IBinder.DeathRecipient { 3738 private IBinder mCb; // To be notified of client's death 3739 3740 AudioFocusDeathHandler(IBinder cb) { 3741 mCb = cb; 3742 } 3743 3744 public void binderDied() { 3745 synchronized(mAudioFocusLock) { 3746 Log.w(TAG, " AudioFocus audio focus client died"); 3747 removeFocusStackEntryForClient(mCb); 3748 } 3749 } 3750 3751 public IBinder getBinder() { 3752 return mCb; 3753 } 3754 } 3755 3756 3757 /** @see AudioManager#requestAudioFocus(IAudioFocusDispatcher, int, int) */ 3758 public int requestAudioFocus(int mainStreamType, int focusChangeHint, IBinder cb, 3759 IAudioFocusDispatcher fd, String clientId, String callingPackageName) { 3760 Log.i(TAG, " AudioFocus requestAudioFocus() from " + clientId); 3761 // the main stream type for the audio focus request is currently not used. It may 3762 // potentially be used to handle multiple stream type-dependent audio focuses. 3763 3764 // we need a valid binder callback for clients 3765 if (!cb.pingBinder()) { 3766 Log.e(TAG, " AudioFocus DOA client for requestAudioFocus(), aborting."); 3767 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3768 } 3769 3770 synchronized(mAudioFocusLock) { 3771 if (!canReassignAudioFocus()) { 3772 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3773 } 3774 3775 // handle the potential premature death of the new holder of the focus 3776 // (premature death == death before abandoning focus) 3777 // Register for client death notification 3778 AudioFocusDeathHandler afdh = new AudioFocusDeathHandler(cb); 3779 try { 3780 cb.linkToDeath(afdh, 0); 3781 } catch (RemoteException e) { 3782 // client has already died! 3783 Log.w(TAG, "AudioFocus requestAudioFocus() could not link to "+cb+" binder death"); 3784 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3785 } 3786 3787 if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientId)) { 3788 // if focus is already owned by this client and the reason for acquiring the focus 3789 // hasn't changed, don't do anything 3790 if (mFocusStack.peek().mFocusChangeType == focusChangeHint) { 3791 // unlink death handler so it can be gc'ed. 3792 // linkToDeath() creates a JNI global reference preventing collection. 3793 cb.unlinkToDeath(afdh, 0); 3794 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3795 } 3796 // the reason for the audio focus request has changed: remove the current top of 3797 // stack and respond as if we had a new focus owner 3798 FocusStackEntry fse = mFocusStack.pop(); 3799 fse.unlinkToDeath(); 3800 } 3801 3802 // notify current top of stack it is losing focus 3803 if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { 3804 try { 3805 mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( 3806 -1 * focusChangeHint, // loss and gain codes are inverse of each other 3807 mFocusStack.peek().mClientId); 3808 } catch (RemoteException e) { 3809 Log.e(TAG, " Failure to signal loss of focus due to "+ e); 3810 e.printStackTrace(); 3811 } 3812 } 3813 3814 // focus requester might already be somewhere below in the stack, remove it 3815 removeFocusStackEntry(clientId, false /* signal */); 3816 3817 // push focus requester at the top of the audio focus stack 3818 mFocusStack.push(new FocusStackEntry(mainStreamType, focusChangeHint, fd, cb, 3819 clientId, afdh, callingPackageName, Binder.getCallingUid())); 3820 3821 // there's a new top of the stack, let the remote control know 3822 synchronized(mRCStack) { 3823 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3824 } 3825 }//synchronized(mAudioFocusLock) 3826 3827 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3828 } 3829 3830 /** @see AudioManager#abandonAudioFocus(IAudioFocusDispatcher) */ 3831 public int abandonAudioFocus(IAudioFocusDispatcher fl, String clientId) { 3832 Log.i(TAG, " AudioFocus abandonAudioFocus() from " + clientId); 3833 try { 3834 // this will take care of notifying the new focus owner if needed 3835 synchronized(mAudioFocusLock) { 3836 removeFocusStackEntry(clientId, true); 3837 } 3838 } catch (java.util.ConcurrentModificationException cme) { 3839 // Catching this exception here is temporary. It is here just to prevent 3840 // a crash seen when the "Silent" notification is played. This is believed to be fixed 3841 // but this try catch block is left just to be safe. 3842 Log.e(TAG, "FATAL EXCEPTION AudioFocus abandonAudioFocus() caused " + cme); 3843 cme.printStackTrace(); 3844 } 3845 3846 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3847 } 3848 3849 3850 public void unregisterAudioFocusClient(String clientId) { 3851 synchronized(mAudioFocusLock) { 3852 removeFocusStackEntry(clientId, false); 3853 } 3854 } 3855 3856 3857 //========================================================================================== 3858 // RemoteControl 3859 //========================================================================================== 3860 public void dispatchMediaKeyEvent(KeyEvent keyEvent) { 3861 filterMediaKeyEvent(keyEvent, false /*needWakeLock*/); 3862 } 3863 3864 public void dispatchMediaKeyEventUnderWakelock(KeyEvent keyEvent) { 3865 filterMediaKeyEvent(keyEvent, true /*needWakeLock*/); 3866 } 3867 3868 private void filterMediaKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { 3869 // sanity check on the incoming key event 3870 if (!isValidMediaKeyEvent(keyEvent)) { 3871 Log.e(TAG, "not dispatching invalid media key event " + keyEvent); 3872 return; 3873 } 3874 // event filtering for telephony 3875 synchronized(mRingingLock) { 3876 synchronized(mRCStack) { 3877 if ((mMediaReceiverForCalls != null) && 3878 (mIsRinging || (getMode() == AudioSystem.MODE_IN_CALL))) { 3879 dispatchMediaKeyEventForCalls(keyEvent, needWakeLock); 3880 return; 3881 } 3882 } 3883 } 3884 // event filtering based on voice-based interactions 3885 if (isValidVoiceInputKeyCode(keyEvent.getKeyCode())) { 3886 filterVoiceInputKeyEvent(keyEvent, needWakeLock); 3887 } else { 3888 dispatchMediaKeyEvent(keyEvent, needWakeLock); 3889 } 3890 } 3891 3892 /** 3893 * Handles the dispatching of the media button events to the telephony package. 3894 * Precondition: mMediaReceiverForCalls != null 3895 * @param keyEvent a non-null KeyEvent whose key code is one of the supported media buttons 3896 * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event 3897 * is dispatched. 3898 */ 3899 private void dispatchMediaKeyEventForCalls(KeyEvent keyEvent, boolean needWakeLock) { 3900 Intent keyIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); 3901 keyIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); 3902 keyIntent.setPackage(mMediaReceiverForCalls.getPackageName()); 3903 if (needWakeLock) { 3904 mMediaEventWakeLock.acquire(); 3905 keyIntent.putExtra(EXTRA_WAKELOCK_ACQUIRED, WAKELOCK_RELEASE_ON_FINISHED); 3906 } 3907 mContext.sendOrderedBroadcast(keyIntent, null, mKeyEventDone, 3908 mAudioHandler, Activity.RESULT_OK, null, null); 3909 } 3910 3911 /** 3912 * Handles the dispatching of the media button events to one of the registered listeners, 3913 * or if there was none, broadcast an ACTION_MEDIA_BUTTON intent to the rest of the system. 3914 * @param keyEvent a non-null KeyEvent whose key code is one of the supported media buttons 3915 * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event 3916 * is dispatched. 3917 */ 3918 private void dispatchMediaKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { 3919 if (needWakeLock) { 3920 mMediaEventWakeLock.acquire(); 3921 } 3922 Intent keyIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); 3923 keyIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); 3924 synchronized(mRCStack) { 3925 if (!mRCStack.empty()) { 3926 // send the intent that was registered by the client 3927 try { 3928 mRCStack.peek().mMediaIntent.send(mContext, 3929 needWakeLock ? WAKELOCK_RELEASE_ON_FINISHED : 0 /*code*/, 3930 keyIntent, AudioService.this, mAudioHandler); 3931 } catch (CanceledException e) { 3932 Log.e(TAG, "Error sending pending intent " + mRCStack.peek()); 3933 e.printStackTrace(); 3934 } 3935 } else { 3936 // legacy behavior when nobody registered their media button event receiver 3937 // through AudioManager 3938 if (needWakeLock) { 3939 keyIntent.putExtra(EXTRA_WAKELOCK_ACQUIRED, WAKELOCK_RELEASE_ON_FINISHED); 3940 } 3941 mContext.sendOrderedBroadcast(keyIntent, null, mKeyEventDone, 3942 mAudioHandler, Activity.RESULT_OK, null, null); 3943 } 3944 } 3945 } 3946 3947 /** 3948 * The different actions performed in response to a voice button key event. 3949 */ 3950 private final static int VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS = 1; 3951 private final static int VOICEBUTTON_ACTION_START_VOICE_INPUT = 2; 3952 private final static int VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS = 3; 3953 3954 private final Object mVoiceEventLock = new Object(); 3955 private boolean mVoiceButtonDown; 3956 private boolean mVoiceButtonHandled; 3957 3958 /** 3959 * Filter key events that may be used for voice-based interactions 3960 * @param keyEvent a non-null KeyEvent whose key code is that of one of the supported 3961 * media buttons that can be used to trigger voice-based interactions. 3962 * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event 3963 * is dispatched. 3964 */ 3965 private void filterVoiceInputKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { 3966 if (DEBUG_RC) { 3967 Log.v(TAG, "voice input key event: " + keyEvent + ", needWakeLock=" + needWakeLock); 3968 } 3969 3970 int voiceButtonAction = VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS; 3971 int keyAction = keyEvent.getAction(); 3972 synchronized (mVoiceEventLock) { 3973 if (keyAction == KeyEvent.ACTION_DOWN) { 3974 if (keyEvent.getRepeatCount() == 0) { 3975 // initial down 3976 mVoiceButtonDown = true; 3977 mVoiceButtonHandled = false; 3978 } else if (mVoiceButtonDown && !mVoiceButtonHandled 3979 && (keyEvent.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) { 3980 // long-press, start voice-based interactions 3981 mVoiceButtonHandled = true; 3982 voiceButtonAction = VOICEBUTTON_ACTION_START_VOICE_INPUT; 3983 } 3984 } else if (keyAction == KeyEvent.ACTION_UP) { 3985 if (mVoiceButtonDown) { 3986 // voice button up 3987 mVoiceButtonDown = false; 3988 if (!mVoiceButtonHandled && !keyEvent.isCanceled()) { 3989 voiceButtonAction = VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS; 3990 } 3991 } 3992 } 3993 }//synchronized (mVoiceEventLock) 3994 3995 // take action after media button event filtering for voice-based interactions 3996 switch (voiceButtonAction) { 3997 case VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS: 3998 if (DEBUG_RC) Log.v(TAG, " ignore key event"); 3999 break; 4000 case VOICEBUTTON_ACTION_START_VOICE_INPUT: 4001 if (DEBUG_RC) Log.v(TAG, " start voice-based interactions"); 4002 // then start the voice-based interactions 4003 startVoiceBasedInteractions(needWakeLock); 4004 break; 4005 case VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS: 4006 if (DEBUG_RC) Log.v(TAG, " send simulated key event"); 4007 sendSimulatedMediaButtonEvent(keyEvent, needWakeLock); 4008 break; 4009 } 4010 } 4011 4012 private void sendSimulatedMediaButtonEvent(KeyEvent originalKeyEvent, boolean needWakeLock) { 4013 // send DOWN event 4014 KeyEvent keyEvent = KeyEvent.changeAction(originalKeyEvent, KeyEvent.ACTION_DOWN); 4015 dispatchMediaKeyEvent(keyEvent, needWakeLock); 4016 // send UP event 4017 keyEvent = KeyEvent.changeAction(originalKeyEvent, KeyEvent.ACTION_UP); 4018 dispatchMediaKeyEvent(keyEvent, needWakeLock); 4019 4020 } 4021 4022 4023 private static boolean isValidMediaKeyEvent(KeyEvent keyEvent) { 4024 if (keyEvent == null) { 4025 return false; 4026 } 4027 final int keyCode = keyEvent.getKeyCode(); 4028 switch (keyCode) { 4029 case KeyEvent.KEYCODE_MUTE: 4030 case KeyEvent.KEYCODE_HEADSETHOOK: 4031 case KeyEvent.KEYCODE_MEDIA_PLAY: 4032 case KeyEvent.KEYCODE_MEDIA_PAUSE: 4033 case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: 4034 case KeyEvent.KEYCODE_MEDIA_STOP: 4035 case KeyEvent.KEYCODE_MEDIA_NEXT: 4036 case KeyEvent.KEYCODE_MEDIA_PREVIOUS: 4037 case KeyEvent.KEYCODE_MEDIA_REWIND: 4038 case KeyEvent.KEYCODE_MEDIA_RECORD: 4039 case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: 4040 case KeyEvent.KEYCODE_MEDIA_CLOSE: 4041 case KeyEvent.KEYCODE_MEDIA_EJECT: 4042 break; 4043 default: 4044 return false; 4045 } 4046 return true; 4047 } 4048 4049 /** 4050 * Checks whether the given key code is one that can trigger the launch of voice-based 4051 * interactions. 4052 * @param keyCode the key code associated with the key event 4053 * @return true if the key is one of the supported voice-based interaction triggers 4054 */ 4055 private static boolean isValidVoiceInputKeyCode(int keyCode) { 4056 if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK) { 4057 return true; 4058 } else { 4059 return false; 4060 } 4061 } 4062 4063 /** 4064 * Tell the system to start voice-based interactions / voice commands 4065 */ 4066 private void startVoiceBasedInteractions(boolean needWakeLock) { 4067 Intent voiceIntent = null; 4068 // select which type of search to launch: 4069 // - screen on and device unlocked: action is ACTION_WEB_SEARCH 4070 // - device locked or screen off: action is ACTION_VOICE_SEARCH_HANDS_FREE 4071 // with EXTRA_SECURE set to true if the device is securely locked 4072 PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); 4073 boolean isLocked = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 4074 if (!isLocked && pm.isScreenOn()) { 4075 voiceIntent = new Intent(android.speech.RecognizerIntent.ACTION_WEB_SEARCH); 4076 } else { 4077 voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE); 4078 voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, 4079 isLocked && mKeyguardManager.isKeyguardSecure()); 4080 } 4081 // start the search activity 4082 if (needWakeLock) { 4083 mMediaEventWakeLock.acquire(); 4084 } 4085 try { 4086 if (voiceIntent != null) { 4087 voiceIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 4088 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 4089 mContext.startActivity(voiceIntent); 4090 } 4091 } catch (ActivityNotFoundException e) { 4092 Log.w(TAG, "No activity for search: " + e); 4093 } finally { 4094 if (needWakeLock) { 4095 mMediaEventWakeLock.release(); 4096 } 4097 } 4098 } 4099 4100 private PowerManager.WakeLock mMediaEventWakeLock; 4101 4102 private static final int WAKELOCK_RELEASE_ON_FINISHED = 1980; //magic number 4103 4104 // only set when wakelock was acquired, no need to check value when received 4105 private static final String EXTRA_WAKELOCK_ACQUIRED = 4106 "android.media.AudioService.WAKELOCK_ACQUIRED"; 4107 4108 public void onSendFinished(PendingIntent pendingIntent, Intent intent, 4109 int resultCode, String resultData, Bundle resultExtras) { 4110 if (resultCode == WAKELOCK_RELEASE_ON_FINISHED) { 4111 mMediaEventWakeLock.release(); 4112 } 4113 } 4114 4115 BroadcastReceiver mKeyEventDone = new BroadcastReceiver() { 4116 public void onReceive(Context context, Intent intent) { 4117 if (intent == null) { 4118 return; 4119 } 4120 Bundle extras = intent.getExtras(); 4121 if (extras == null) { 4122 return; 4123 } 4124 if (extras.containsKey(EXTRA_WAKELOCK_ACQUIRED)) { 4125 mMediaEventWakeLock.release(); 4126 } 4127 } 4128 }; 4129 4130 private final Object mCurrentRcLock = new Object(); 4131 /** 4132 * The one remote control client which will receive a request for display information. 4133 * This object may be null. 4134 * Access protected by mCurrentRcLock. 4135 */ 4136 private IRemoteControlClient mCurrentRcClient = null; 4137 4138 private final static int RC_INFO_NONE = 0; 4139 private final static int RC_INFO_ALL = 4140 RemoteControlClient.FLAG_INFORMATION_REQUEST_ALBUM_ART | 4141 RemoteControlClient.FLAG_INFORMATION_REQUEST_KEY_MEDIA | 4142 RemoteControlClient.FLAG_INFORMATION_REQUEST_METADATA | 4143 RemoteControlClient.FLAG_INFORMATION_REQUEST_PLAYSTATE; 4144 4145 /** 4146 * A monotonically increasing generation counter for mCurrentRcClient. 4147 * Only accessed with a lock on mCurrentRcLock. 4148 * No value wrap-around issues as we only act on equal values. 4149 */ 4150 private int mCurrentRcClientGen = 0; 4151 4152 /** 4153 * Inner class to monitor remote control client deaths, and remove the client for the 4154 * remote control stack if necessary. 4155 */ 4156 private class RcClientDeathHandler implements IBinder.DeathRecipient { 4157 private IBinder mCb; // To be notified of client's death 4158 private PendingIntent mMediaIntent; 4159 4160 RcClientDeathHandler(IBinder cb, PendingIntent pi) { 4161 mCb = cb; 4162 mMediaIntent = pi; 4163 } 4164 4165 public void binderDied() { 4166 Log.w(TAG, " RemoteControlClient died"); 4167 // remote control client died, make sure the displays don't use it anymore 4168 // by setting its remote control client to null 4169 registerRemoteControlClient(mMediaIntent, null/*rcClient*/, null/*ignored*/); 4170 // the dead client was maybe handling remote playback, reevaluate 4171 postReevaluateRemote(); 4172 } 4173 4174 public IBinder getBinder() { 4175 return mCb; 4176 } 4177 } 4178 4179 /** 4180 * A global counter for RemoteControlClient identifiers 4181 */ 4182 private static int sLastRccId = 0; 4183 4184 private class RemotePlaybackState { 4185 int mRccId; 4186 int mVolume; 4187 int mVolumeMax; 4188 int mVolumeHandling; 4189 4190 private RemotePlaybackState(int id, int vol, int volMax) { 4191 mRccId = id; 4192 mVolume = vol; 4193 mVolumeMax = volMax; 4194 mVolumeHandling = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME_HANDLING; 4195 } 4196 } 4197 4198 /** 4199 * Internal cache for the playback information of the RemoteControlClient whose volume gets to 4200 * be controlled by the volume keys ("main"), so we don't have to iterate over the RC stack 4201 * every time we need this info. 4202 */ 4203 private RemotePlaybackState mMainRemote; 4204 /** 4205 * Indicates whether the "main" RemoteControlClient is considered active. 4206 * Use synchronized on mMainRemote. 4207 */ 4208 private boolean mMainRemoteIsActive; 4209 /** 4210 * Indicates whether there is remote playback going on. True even if there is no "active" 4211 * remote playback (mMainRemoteIsActive is false), but a RemoteControlClient has declared it 4212 * handles remote playback. 4213 * Use synchronized on mMainRemote. 4214 */ 4215 private boolean mHasRemotePlayback; 4216 4217 private static class RemoteControlStackEntry { 4218 public int mRccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 4219 /** 4220 * The target for the ACTION_MEDIA_BUTTON events. 4221 * Always non null. 4222 */ 4223 public PendingIntent mMediaIntent; 4224 /** 4225 * The registered media button event receiver. 4226 * Always non null. 4227 */ 4228 public ComponentName mReceiverComponent; 4229 public String mCallingPackageName; 4230 public int mCallingUid; 4231 /** 4232 * Provides access to the information to display on the remote control. 4233 * May be null (when a media button event receiver is registered, 4234 * but no remote control client has been registered) */ 4235 public IRemoteControlClient mRcClient; 4236 public RcClientDeathHandler mRcClientDeathHandler; 4237 /** 4238 * Information only used for non-local playback 4239 */ 4240 public int mPlaybackType; 4241 public int mPlaybackVolume; 4242 public int mPlaybackVolumeMax; 4243 public int mPlaybackVolumeHandling; 4244 public int mPlaybackStream; 4245 public int mPlaybackState; 4246 4247 public void resetPlaybackInfo() { 4248 mPlaybackType = RemoteControlClient.PLAYBACK_TYPE_LOCAL; 4249 mPlaybackVolume = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME; 4250 mPlaybackVolumeMax = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME; 4251 mPlaybackVolumeHandling = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME_HANDLING; 4252 mPlaybackStream = AudioManager.STREAM_MUSIC; 4253 mPlaybackState = RemoteControlClient.PLAYSTATE_STOPPED; 4254 } 4255 4256 /** precondition: mediaIntent != null, eventReceiver != null */ 4257 public RemoteControlStackEntry(PendingIntent mediaIntent, ComponentName eventReceiver) { 4258 mMediaIntent = mediaIntent; 4259 mReceiverComponent = eventReceiver; 4260 mCallingUid = -1; 4261 mRcClient = null; 4262 mRccId = ++sLastRccId; 4263 4264 resetPlaybackInfo(); 4265 } 4266 4267 public void unlinkToRcClientDeath() { 4268 if ((mRcClientDeathHandler != null) && (mRcClientDeathHandler.mCb != null)) { 4269 try { 4270 mRcClientDeathHandler.mCb.unlinkToDeath(mRcClientDeathHandler, 0); 4271 mRcClientDeathHandler = null; 4272 } catch (java.util.NoSuchElementException e) { 4273 // not much we can do here 4274 Log.e(TAG, "Encountered " + e + " in unlinkToRcClientDeath()"); 4275 e.printStackTrace(); 4276 } 4277 } 4278 } 4279 4280 @Override 4281 protected void finalize() throws Throwable { 4282 unlinkToRcClientDeath();// unlink exception handled inside method 4283 super.finalize(); 4284 } 4285 } 4286 4287 /** 4288 * The stack of remote control event receivers. 4289 * Code sections and methods that modify the remote control event receiver stack are 4290 * synchronized on mRCStack, but also BEFORE on mFocusLock as any change in either 4291 * stack, audio focus or RC, can lead to a change in the remote control display 4292 */ 4293 private final Stack<RemoteControlStackEntry> mRCStack = new Stack<RemoteControlStackEntry>(); 4294 4295 /** 4296 * The component the telephony package can register so telephony calls have priority to 4297 * handle media button events 4298 */ 4299 private ComponentName mMediaReceiverForCalls = null; 4300 4301 /** 4302 * Helper function: 4303 * Display in the log the current entries in the remote control focus stack 4304 */ 4305 private void dumpRCStack(PrintWriter pw) { 4306 pw.println("\nRemote Control stack entries:"); 4307 synchronized(mRCStack) { 4308 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4309 while(stackIterator.hasNext()) { 4310 RemoteControlStackEntry rcse = stackIterator.next(); 4311 pw.println(" pi: " + rcse.mMediaIntent + 4312 " -- ercvr: " + rcse.mReceiverComponent + 4313 " -- client: " + rcse.mRcClient + 4314 " -- uid: " + rcse.mCallingUid + 4315 " -- type: " + rcse.mPlaybackType + 4316 " state: " + rcse.mPlaybackState); 4317 } 4318 } 4319 } 4320 4321 /** 4322 * Helper function: 4323 * Display in the log the current entries in the remote control stack, focusing 4324 * on RemoteControlClient data 4325 */ 4326 private void dumpRCCStack(PrintWriter pw) { 4327 pw.println("\nRemote Control Client stack entries:"); 4328 synchronized(mRCStack) { 4329 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4330 while(stackIterator.hasNext()) { 4331 RemoteControlStackEntry rcse = stackIterator.next(); 4332 pw.println(" uid: " + rcse.mCallingUid + 4333 " -- id: " + rcse.mRccId + 4334 " -- type: " + rcse.mPlaybackType + 4335 " -- state: " + rcse.mPlaybackState + 4336 " -- vol handling: " + rcse.mPlaybackVolumeHandling + 4337 " -- vol: " + rcse.mPlaybackVolume + 4338 " -- volMax: " + rcse.mPlaybackVolumeMax); 4339 } 4340 } 4341 synchronized (mMainRemote) { 4342 pw.println("\nRemote Volume State:"); 4343 pw.println(" has remote: " + mHasRemotePlayback); 4344 pw.println(" is remote active: " + mMainRemoteIsActive); 4345 pw.println(" rccId: " + mMainRemote.mRccId); 4346 pw.println(" volume handling: " 4347 + ((mMainRemote.mVolumeHandling == RemoteControlClient.PLAYBACK_VOLUME_FIXED) ? 4348 "PLAYBACK_VOLUME_FIXED(0)" : "PLAYBACK_VOLUME_VARIABLE(1)")); 4349 pw.println(" volume: " + mMainRemote.mVolume); 4350 pw.println(" volume steps: " + mMainRemote.mVolumeMax); 4351 } 4352 } 4353 4354 /** 4355 * Helper function: 4356 * Remove any entry in the remote control stack that has the same package name as packageName 4357 * Pre-condition: packageName != null 4358 */ 4359 private void removeMediaButtonReceiverForPackage(String packageName) { 4360 synchronized(mRCStack) { 4361 if (mRCStack.empty()) { 4362 return; 4363 } else { 4364 RemoteControlStackEntry oldTop = mRCStack.peek(); 4365 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4366 // iterate over the stack entries 4367 while(stackIterator.hasNext()) { 4368 RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); 4369 if (packageName.equalsIgnoreCase(rcse.mReceiverComponent.getPackageName())) { 4370 // a stack entry is from the package being removed, remove it from the stack 4371 stackIterator.remove(); 4372 rcse.unlinkToRcClientDeath(); 4373 } 4374 } 4375 if (mRCStack.empty()) { 4376 // no saved media button receiver 4377 mAudioHandler.sendMessage( 4378 mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, 4379 null)); 4380 } else if (oldTop != mRCStack.peek()) { 4381 // the top of the stack has changed, save it in the system settings 4382 // by posting a message to persist it 4383 mAudioHandler.sendMessage( 4384 mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, 4385 mRCStack.peek().mReceiverComponent)); 4386 } 4387 } 4388 } 4389 } 4390 4391 /** 4392 * Helper function: 4393 * Restore remote control receiver from the system settings. 4394 */ 4395 private void restoreMediaButtonReceiver() { 4396 String receiverName = Settings.System.getString(mContentResolver, 4397 Settings.System.MEDIA_BUTTON_RECEIVER); 4398 if ((null != receiverName) && !receiverName.isEmpty()) { 4399 ComponentName eventReceiver = ComponentName.unflattenFromString(receiverName); 4400 // construct a PendingIntent targeted to the restored component name 4401 // for the media button and register it 4402 Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); 4403 // the associated intent will be handled by the component being registered 4404 mediaButtonIntent.setComponent(eventReceiver); 4405 PendingIntent pi = PendingIntent.getBroadcast(mContext, 4406 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); 4407 registerMediaButtonIntent(pi, eventReceiver); 4408 } 4409 } 4410 4411 /** 4412 * Helper function: 4413 * Set the new remote control receiver at the top of the RC focus stack. 4414 * precondition: mediaIntent != null, target != null 4415 */ 4416 private void pushMediaButtonReceiver(PendingIntent mediaIntent, ComponentName target) { 4417 // already at top of stack? 4418 if (!mRCStack.empty() && mRCStack.peek().mMediaIntent.equals(mediaIntent)) { 4419 return; 4420 } 4421 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4422 RemoteControlStackEntry rcse = null; 4423 boolean wasInsideStack = false; 4424 while(stackIterator.hasNext()) { 4425 rcse = (RemoteControlStackEntry)stackIterator.next(); 4426 if(rcse.mMediaIntent.equals(mediaIntent)) { 4427 wasInsideStack = true; 4428 stackIterator.remove(); 4429 break; 4430 } 4431 } 4432 if (!wasInsideStack) { 4433 rcse = new RemoteControlStackEntry(mediaIntent, target); 4434 } 4435 mRCStack.push(rcse); 4436 4437 // post message to persist the default media button receiver 4438 mAudioHandler.sendMessage( mAudioHandler.obtainMessage( 4439 MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, target/*obj*/) ); 4440 } 4441 4442 /** 4443 * Helper function: 4444 * Remove the remote control receiver from the RC focus stack. 4445 * precondition: pi != null 4446 */ 4447 private void removeMediaButtonReceiver(PendingIntent pi) { 4448 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4449 while(stackIterator.hasNext()) { 4450 RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); 4451 if(rcse.mMediaIntent.equals(pi)) { 4452 stackIterator.remove(); 4453 rcse.unlinkToRcClientDeath(); 4454 break; 4455 } 4456 } 4457 } 4458 4459 /** 4460 * Helper function: 4461 * Called synchronized on mRCStack 4462 */ 4463 private boolean isCurrentRcController(PendingIntent pi) { 4464 if (!mRCStack.empty() && mRCStack.peek().mMediaIntent.equals(pi)) { 4465 return true; 4466 } 4467 return false; 4468 } 4469 4470 //========================================================================================== 4471 // Remote control display / client 4472 //========================================================================================== 4473 /** 4474 * Update the remote control displays with the new "focused" client generation 4475 */ 4476 private void setNewRcClientOnDisplays_syncRcsCurrc(int newClientGeneration, 4477 PendingIntent newMediaIntent, boolean clearing) { 4478 // NOTE: Only one IRemoteControlDisplay supported in this implementation 4479 if (mRcDisplay != null) { 4480 try { 4481 mRcDisplay.setCurrentClientId( 4482 newClientGeneration, newMediaIntent, clearing); 4483 } catch (RemoteException e) { 4484 Log.e(TAG, "Dead display in setNewRcClientOnDisplays_syncRcsCurrc() "+e); 4485 // if we had a display before, stop monitoring its death 4486 rcDisplay_stopDeathMonitor_syncRcStack(); 4487 mRcDisplay = null; 4488 } 4489 } 4490 } 4491 4492 /** 4493 * Update the remote control clients with the new "focused" client generation 4494 */ 4495 private void setNewRcClientGenerationOnClients_syncRcsCurrc(int newClientGeneration) { 4496 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4497 while(stackIterator.hasNext()) { 4498 RemoteControlStackEntry se = stackIterator.next(); 4499 if ((se != null) && (se.mRcClient != null)) { 4500 try { 4501 se.mRcClient.setCurrentClientGenerationId(newClientGeneration); 4502 } catch (RemoteException e) { 4503 Log.w(TAG, "Dead client in setNewRcClientGenerationOnClients_syncRcsCurrc()"+e); 4504 stackIterator.remove(); 4505 se.unlinkToRcClientDeath(); 4506 } 4507 } 4508 } 4509 } 4510 4511 /** 4512 * Update the displays and clients with the new "focused" client generation and name 4513 * @param newClientGeneration the new generation value matching a client update 4514 * @param newClientEventReceiver the media button event receiver associated with the client. 4515 * May be null, which implies there is no registered media button event receiver. 4516 * @param clearing true if the new client generation value maps to a remote control update 4517 * where the display should be cleared. 4518 */ 4519 private void setNewRcClient_syncRcsCurrc(int newClientGeneration, 4520 PendingIntent newMediaIntent, boolean clearing) { 4521 // send the new valid client generation ID to all displays 4522 setNewRcClientOnDisplays_syncRcsCurrc(newClientGeneration, newMediaIntent, clearing); 4523 // send the new valid client generation ID to all clients 4524 setNewRcClientGenerationOnClients_syncRcsCurrc(newClientGeneration); 4525 } 4526 4527 /** 4528 * Called when processing MSG_RCDISPLAY_CLEAR event 4529 */ 4530 private void onRcDisplayClear() { 4531 if (DEBUG_RC) Log.i(TAG, "Clear remote control display"); 4532 4533 synchronized(mRCStack) { 4534 synchronized(mCurrentRcLock) { 4535 mCurrentRcClientGen++; 4536 // synchronously update the displays and clients with the new client generation 4537 setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, 4538 null /*newMediaIntent*/, true /*clearing*/); 4539 } 4540 } 4541 } 4542 4543 /** 4544 * Called when processing MSG_RCDISPLAY_UPDATE event 4545 */ 4546 private void onRcDisplayUpdate(RemoteControlStackEntry rcse, int flags /* USED ?*/) { 4547 synchronized(mRCStack) { 4548 synchronized(mCurrentRcLock) { 4549 if ((mCurrentRcClient != null) && (mCurrentRcClient.equals(rcse.mRcClient))) { 4550 if (DEBUG_RC) Log.i(TAG, "Display/update remote control "); 4551 4552 mCurrentRcClientGen++; 4553 // synchronously update the displays and clients with 4554 // the new client generation 4555 setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, 4556 rcse.mMediaIntent /*newMediaIntent*/, 4557 false /*clearing*/); 4558 4559 // tell the current client that it needs to send info 4560 try { 4561 mCurrentRcClient.onInformationRequested(mCurrentRcClientGen, 4562 flags, mArtworkExpectedWidth, mArtworkExpectedHeight); 4563 } catch (RemoteException e) { 4564 Log.e(TAG, "Current valid remote client is dead: "+e); 4565 mCurrentRcClient = null; 4566 } 4567 } else { 4568 // the remote control display owner has changed between the 4569 // the message to update the display was sent, and the time it 4570 // gets to be processed (now) 4571 } 4572 } 4573 } 4574 } 4575 4576 4577 /** 4578 * Helper function: 4579 * Called synchronized on mRCStack 4580 */ 4581 private void clearRemoteControlDisplay_syncAfRcs() { 4582 synchronized(mCurrentRcLock) { 4583 mCurrentRcClient = null; 4584 } 4585 // will cause onRcDisplayClear() to be called in AudioService's handler thread 4586 mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_CLEAR) ); 4587 } 4588 4589 /** 4590 * Helper function for code readability: only to be called from 4591 * checkUpdateRemoteControlDisplay_syncAfRcs() which checks the preconditions for 4592 * this method. 4593 * Preconditions: 4594 * - called synchronized mAudioFocusLock then on mRCStack 4595 * - mRCStack.isEmpty() is false 4596 */ 4597 private void updateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { 4598 RemoteControlStackEntry rcse = mRCStack.peek(); 4599 int infoFlagsAboutToBeUsed = infoChangedFlags; 4600 // this is where we enforce opt-in for information display on the remote controls 4601 // with the new AudioManager.registerRemoteControlClient() API 4602 if (rcse.mRcClient == null) { 4603 //Log.w(TAG, "Can't update remote control display with null remote control client"); 4604 clearRemoteControlDisplay_syncAfRcs(); 4605 return; 4606 } 4607 synchronized(mCurrentRcLock) { 4608 if (!rcse.mRcClient.equals(mCurrentRcClient)) { 4609 // new RC client, assume every type of information shall be queried 4610 infoFlagsAboutToBeUsed = RC_INFO_ALL; 4611 } 4612 mCurrentRcClient = rcse.mRcClient; 4613 } 4614 // will cause onRcDisplayUpdate() to be called in AudioService's handler thread 4615 mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_UPDATE, 4616 infoFlagsAboutToBeUsed /* arg1 */, 0, rcse /* obj, != null */) ); 4617 } 4618 4619 /** 4620 * Helper function: 4621 * Called synchronized on mAudioFocusLock, then mRCStack 4622 * Check whether the remote control display should be updated, triggers the update if required 4623 * @param infoChangedFlags the flags corresponding to the remote control client information 4624 * that has changed, if applicable (checking for the update conditions might trigger a 4625 * clear, rather than an update event). 4626 */ 4627 private void checkUpdateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { 4628 // determine whether the remote control display should be refreshed 4629 // if either stack is empty, there is a mismatch, so clear the RC display 4630 if (mRCStack.isEmpty() || mFocusStack.isEmpty()) { 4631 clearRemoteControlDisplay_syncAfRcs(); 4632 return; 4633 } 4634 // if the top of the two stacks belong to different packages, there is a mismatch, clear 4635 if ((mRCStack.peek().mCallingPackageName != null) 4636 && (mFocusStack.peek().mPackageName != null) 4637 && !(mRCStack.peek().mCallingPackageName.compareTo( 4638 mFocusStack.peek().mPackageName) == 0)) { 4639 clearRemoteControlDisplay_syncAfRcs(); 4640 return; 4641 } 4642 // if the audio focus didn't originate from the same Uid as the one in which the remote 4643 // control information will be retrieved, clear 4644 if (mRCStack.peek().mCallingUid != mFocusStack.peek().mCallingUid) { 4645 clearRemoteControlDisplay_syncAfRcs(); 4646 return; 4647 } 4648 // refresh conditions were verified: update the remote controls 4649 // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty 4650 updateRemoteControlDisplay_syncAfRcs(infoChangedFlags); 4651 } 4652 4653 /** 4654 * see AudioManager.registerMediaButtonIntent(PendingIntent pi, ComponentName c) 4655 * precondition: mediaIntent != null, target != null 4656 */ 4657 public void registerMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver) { 4658 Log.i(TAG, " Remote Control registerMediaButtonIntent() for " + mediaIntent); 4659 4660 synchronized(mAudioFocusLock) { 4661 synchronized(mRCStack) { 4662 pushMediaButtonReceiver(mediaIntent, eventReceiver); 4663 // new RC client, assume every type of information shall be queried 4664 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4665 } 4666 } 4667 } 4668 4669 /** 4670 * see AudioManager.unregisterMediaButtonIntent(PendingIntent mediaIntent) 4671 * precondition: mediaIntent != null, eventReceiver != null 4672 */ 4673 public void unregisterMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver) 4674 { 4675 Log.i(TAG, " Remote Control unregisterMediaButtonIntent() for " + mediaIntent); 4676 4677 synchronized(mAudioFocusLock) { 4678 synchronized(mRCStack) { 4679 boolean topOfStackWillChange = isCurrentRcController(mediaIntent); 4680 removeMediaButtonReceiver(mediaIntent); 4681 if (topOfStackWillChange) { 4682 // current RC client will change, assume every type of info needs to be queried 4683 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4684 } 4685 } 4686 } 4687 } 4688 4689 /** 4690 * see AudioManager.registerMediaButtonEventReceiverForCalls(ComponentName c) 4691 * precondition: c != null 4692 */ 4693 public void registerMediaButtonEventReceiverForCalls(ComponentName c) { 4694 if (mContext.checkCallingPermission("android.permission.MODIFY_PHONE_STATE") 4695 != PackageManager.PERMISSION_GRANTED) { 4696 Log.e(TAG, "Invalid permissions to register media button receiver for calls"); 4697 return; 4698 } 4699 synchronized(mRCStack) { 4700 mMediaReceiverForCalls = c; 4701 } 4702 } 4703 4704 /** 4705 * see AudioManager.unregisterMediaButtonEventReceiverForCalls() 4706 */ 4707 public void unregisterMediaButtonEventReceiverForCalls() { 4708 if (mContext.checkCallingPermission("android.permission.MODIFY_PHONE_STATE") 4709 != PackageManager.PERMISSION_GRANTED) { 4710 Log.e(TAG, "Invalid permissions to unregister media button receiver for calls"); 4711 return; 4712 } 4713 synchronized(mRCStack) { 4714 mMediaReceiverForCalls = null; 4715 } 4716 } 4717 4718 /** 4719 * see AudioManager.registerRemoteControlClient(ComponentName eventReceiver, ...) 4720 * @return the unique ID of the RemoteControlStackEntry associated with the RemoteControlClient 4721 * Note: using this method with rcClient == null is a way to "disable" the IRemoteControlClient 4722 * without modifying the RC stack, but while still causing the display to refresh (will 4723 * become blank as a result of this) 4724 */ 4725 public int registerRemoteControlClient(PendingIntent mediaIntent, 4726 IRemoteControlClient rcClient, String callingPackageName) { 4727 if (DEBUG_RC) Log.i(TAG, "Register remote control client rcClient="+rcClient); 4728 int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 4729 synchronized(mAudioFocusLock) { 4730 synchronized(mRCStack) { 4731 // store the new display information 4732 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4733 while(stackIterator.hasNext()) { 4734 RemoteControlStackEntry rcse = stackIterator.next(); 4735 if(rcse.mMediaIntent.equals(mediaIntent)) { 4736 // already had a remote control client? 4737 if (rcse.mRcClientDeathHandler != null) { 4738 // stop monitoring the old client's death 4739 rcse.unlinkToRcClientDeath(); 4740 } 4741 // save the new remote control client 4742 rcse.mRcClient = rcClient; 4743 rcse.mCallingPackageName = callingPackageName; 4744 rcse.mCallingUid = Binder.getCallingUid(); 4745 if (rcClient == null) { 4746 // here rcse.mRcClientDeathHandler is null; 4747 rcse.resetPlaybackInfo(); 4748 break; 4749 } 4750 rccId = rcse.mRccId; 4751 4752 // there is a new (non-null) client: 4753 // 1/ give the new client the current display (if any) 4754 if (mRcDisplay != null) { 4755 try { 4756 rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); 4757 } catch (RemoteException e) { 4758 Log.e(TAG, "Error connecting remote control display to client: "+e); 4759 e.printStackTrace(); 4760 } 4761 } 4762 // 2/ monitor the new client's death 4763 IBinder b = rcse.mRcClient.asBinder(); 4764 RcClientDeathHandler rcdh = 4765 new RcClientDeathHandler(b, rcse.mMediaIntent); 4766 try { 4767 b.linkToDeath(rcdh, 0); 4768 } catch (RemoteException e) { 4769 // remote control client is DOA, disqualify it 4770 Log.w(TAG, "registerRemoteControlClient() has a dead client " + b); 4771 rcse.mRcClient = null; 4772 } 4773 rcse.mRcClientDeathHandler = rcdh; 4774 break; 4775 } 4776 } 4777 // if the eventReceiver is at the top of the stack 4778 // then check for potential refresh of the remote controls 4779 if (isCurrentRcController(mediaIntent)) { 4780 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4781 } 4782 } 4783 } 4784 return rccId; 4785 } 4786 4787 /** 4788 * see AudioManager.unregisterRemoteControlClient(PendingIntent pi, ...) 4789 * rcClient is guaranteed non-null 4790 */ 4791 public void unregisterRemoteControlClient(PendingIntent mediaIntent, 4792 IRemoteControlClient rcClient) { 4793 synchronized(mAudioFocusLock) { 4794 synchronized(mRCStack) { 4795 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4796 while(stackIterator.hasNext()) { 4797 RemoteControlStackEntry rcse = stackIterator.next(); 4798 if ((rcse.mMediaIntent.equals(mediaIntent)) 4799 && rcClient.equals(rcse.mRcClient)) { 4800 // we found the IRemoteControlClient to unregister 4801 // stop monitoring its death 4802 rcse.unlinkToRcClientDeath(); 4803 // reset the client-related fields 4804 rcse.mRcClient = null; 4805 rcse.mCallingPackageName = null; 4806 } 4807 } 4808 } 4809 } 4810 } 4811 4812 /** 4813 * The remote control displays. 4814 * Access synchronized on mRCStack 4815 * NOTE: Only one IRemoteControlDisplay supported in this implementation 4816 */ 4817 private IRemoteControlDisplay mRcDisplay; 4818 private RcDisplayDeathHandler mRcDisplayDeathHandler; 4819 private int mArtworkExpectedWidth = -1; 4820 private int mArtworkExpectedHeight = -1; 4821 /** 4822 * Inner class to monitor remote control display deaths, and unregister them from the list 4823 * of displays if necessary. 4824 */ 4825 private class RcDisplayDeathHandler implements IBinder.DeathRecipient { 4826 private IBinder mCb; // To be notified of client's death 4827 4828 public RcDisplayDeathHandler(IBinder b) { 4829 if (DEBUG_RC) Log.i(TAG, "new RcDisplayDeathHandler for "+b); 4830 mCb = b; 4831 } 4832 4833 public void binderDied() { 4834 synchronized(mRCStack) { 4835 Log.w(TAG, "RemoteControl: display died"); 4836 mRcDisplay = null; 4837 } 4838 } 4839 4840 public void unlinkToRcDisplayDeath() { 4841 if (DEBUG_RC) Log.i(TAG, "unlinkToRcDisplayDeath for "+mCb); 4842 try { 4843 mCb.unlinkToDeath(this, 0); 4844 } catch (java.util.NoSuchElementException e) { 4845 // not much we can do here, the display was being unregistered anyway 4846 Log.e(TAG, "Encountered " + e + " in unlinkToRcDisplayDeath()"); 4847 e.printStackTrace(); 4848 } 4849 } 4850 4851 } 4852 4853 private void rcDisplay_stopDeathMonitor_syncRcStack() { 4854 if (mRcDisplay != null) { // implies (mRcDisplayDeathHandler != null) 4855 // we had a display before, stop monitoring its death 4856 mRcDisplayDeathHandler.unlinkToRcDisplayDeath(); 4857 } 4858 } 4859 4860 private void rcDisplay_startDeathMonitor_syncRcStack() { 4861 if (mRcDisplay != null) { 4862 // new non-null display, monitor its death 4863 IBinder b = mRcDisplay.asBinder(); 4864 mRcDisplayDeathHandler = new RcDisplayDeathHandler(b); 4865 try { 4866 b.linkToDeath(mRcDisplayDeathHandler, 0); 4867 } catch (RemoteException e) { 4868 // remote control display is DOA, disqualify it 4869 Log.w(TAG, "registerRemoteControlDisplay() has a dead client " + b); 4870 mRcDisplay = null; 4871 } 4872 } 4873 } 4874 4875 /** 4876 * Register an IRemoteControlDisplay. 4877 * Notify all IRemoteControlClient of the new display and cause the RemoteControlClient 4878 * at the top of the stack to update the new display with its information. 4879 * Since only one IRemoteControlDisplay is supported, this will unregister the previous display. 4880 * @param rcd the IRemoteControlDisplay to register. No effect if null. 4881 */ 4882 public void registerRemoteControlDisplay(IRemoteControlDisplay rcd) { 4883 if (DEBUG_RC) Log.d(TAG, ">>> registerRemoteControlDisplay("+rcd+")"); 4884 synchronized(mAudioFocusLock) { 4885 synchronized(mRCStack) { 4886 if ((mRcDisplay == rcd) || (rcd == null)) { 4887 return; 4888 } 4889 // if we had a display before, stop monitoring its death 4890 rcDisplay_stopDeathMonitor_syncRcStack(); 4891 mRcDisplay = rcd; 4892 // new display, start monitoring its death 4893 rcDisplay_startDeathMonitor_syncRcStack(); 4894 4895 // let all the remote control clients there is a new display 4896 // no need to unplug the previous because we only support one display 4897 // and the clients don't track the death of the display 4898 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4899 while(stackIterator.hasNext()) { 4900 RemoteControlStackEntry rcse = stackIterator.next(); 4901 if(rcse.mRcClient != null) { 4902 try { 4903 rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); 4904 } catch (RemoteException e) { 4905 Log.e(TAG, "Error connecting remote control display to client: " + e); 4906 e.printStackTrace(); 4907 } 4908 } 4909 } 4910 4911 // we have a new display, of which all the clients are now aware: have it be updated 4912 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4913 } 4914 } 4915 } 4916 4917 /** 4918 * Unregister an IRemoteControlDisplay. 4919 * Since only one IRemoteControlDisplay is supported, this has no effect if the one to 4920 * unregister is not the current one. 4921 * @param rcd the IRemoteControlDisplay to unregister. No effect if null. 4922 */ 4923 public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { 4924 if (DEBUG_RC) Log.d(TAG, "<<< unregisterRemoteControlDisplay("+rcd+")"); 4925 synchronized(mRCStack) { 4926 // only one display here, so you can only unregister the current display 4927 if ((rcd == null) || (rcd != mRcDisplay)) { 4928 if (DEBUG_RC) Log.w(TAG, " trying to unregister unregistered RCD"); 4929 return; 4930 } 4931 // if we had a display before, stop monitoring its death 4932 rcDisplay_stopDeathMonitor_syncRcStack(); 4933 mRcDisplay = null; 4934 4935 // disconnect this remote control display from all the clients 4936 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4937 while(stackIterator.hasNext()) { 4938 RemoteControlStackEntry rcse = stackIterator.next(); 4939 if(rcse.mRcClient != null) { 4940 try { 4941 rcse.mRcClient.unplugRemoteControlDisplay(rcd); 4942 } catch (RemoteException e) { 4943 Log.e(TAG, "Error disconnecting remote control display to client: " + e); 4944 e.printStackTrace(); 4945 } 4946 } 4947 } 4948 } 4949 } 4950 4951 public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { 4952 synchronized(mRCStack) { 4953 // NOTE: Only one IRemoteControlDisplay supported in this implementation 4954 mArtworkExpectedWidth = w; 4955 mArtworkExpectedHeight = h; 4956 } 4957 } 4958 4959 // FIXME send a message instead of updating the stack synchronously 4960 public void setPlaybackInfoForRcc(int rccId, int what, int value) { 4961 if(DEBUG_RC) Log.d(TAG, "setPlaybackInfoForRcc(id="+rccId+", what="+what+",val="+value+")"); 4962 synchronized(mRCStack) { 4963 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4964 while(stackIterator.hasNext()) { 4965 RemoteControlStackEntry rcse = stackIterator.next(); 4966 if (rcse.mRccId == rccId) { 4967 switch (what) { 4968 case RemoteControlClient.PLAYBACKINFO_PLAYBACK_TYPE: 4969 rcse.mPlaybackType = value; 4970 postReevaluateRemote(); 4971 break; 4972 case RemoteControlClient.PLAYBACKINFO_VOLUME: 4973 rcse.mPlaybackVolume = value; 4974 synchronized (mMainRemote) { 4975 if (rccId == mMainRemote.mRccId) { 4976 mMainRemote.mVolume = value; 4977 mVolumePanel.postHasNewRemotePlaybackInfo(); 4978 } 4979 } 4980 break; 4981 case RemoteControlClient.PLAYBACKINFO_VOLUME_MAX: 4982 rcse.mPlaybackVolumeMax = value; 4983 synchronized (mMainRemote) { 4984 if (rccId == mMainRemote.mRccId) { 4985 mMainRemote.mVolumeMax = value; 4986 mVolumePanel.postHasNewRemotePlaybackInfo(); 4987 } 4988 } 4989 break; 4990 case RemoteControlClient.PLAYBACKINFO_VOLUME_HANDLING: 4991 rcse.mPlaybackVolumeHandling = value; 4992 synchronized (mMainRemote) { 4993 if (rccId == mMainRemote.mRccId) { 4994 mMainRemote.mVolumeHandling = value; 4995 mVolumePanel.postHasNewRemotePlaybackInfo(); 4996 } 4997 } 4998 break; 4999 case RemoteControlClient.PLAYBACKINFO_USES_STREAM: 5000 rcse.mPlaybackStream = value; 5001 break; 5002 case RemoteControlClient.PLAYBACKINFO_PLAYSTATE: 5003 rcse.mPlaybackState = value; 5004 synchronized (mMainRemote) { 5005 if (rccId == mMainRemote.mRccId) { 5006 mMainRemoteIsActive = isPlaystateActive(value); 5007 postReevaluateRemote(); 5008 } 5009 } 5010 break; 5011 default: 5012 Log.e(TAG, "unhandled key " + what + " for RCC " + rccId); 5013 break; 5014 } 5015 return; 5016 } 5017 } 5018 } 5019 } 5020 5021 /** 5022 * Checks if a remote client is active on the supplied stream type. Update the remote stream 5023 * volume state if found and playing 5024 * @param streamType 5025 * @return false if no remote playing is currently playing 5026 */ 5027 private boolean checkUpdateRemoteStateIfActive(int streamType) { 5028 synchronized(mRCStack) { 5029 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5030 while(stackIterator.hasNext()) { 5031 RemoteControlStackEntry rcse = stackIterator.next(); 5032 if ((rcse.mPlaybackType == RemoteControlClient.PLAYBACK_TYPE_REMOTE) 5033 && isPlaystateActive(rcse.mPlaybackState) 5034 && (rcse.mPlaybackStream == streamType)) { 5035 if (DEBUG_RC) Log.d(TAG, "remote playback active on stream " + streamType 5036 + ", vol =" + rcse.mPlaybackVolume); 5037 synchronized (mMainRemote) { 5038 mMainRemote.mRccId = rcse.mRccId; 5039 mMainRemote.mVolume = rcse.mPlaybackVolume; 5040 mMainRemote.mVolumeMax = rcse.mPlaybackVolumeMax; 5041 mMainRemote.mVolumeHandling = rcse.mPlaybackVolumeHandling; 5042 mMainRemoteIsActive = true; 5043 } 5044 return true; 5045 } 5046 } 5047 } 5048 synchronized (mMainRemote) { 5049 mMainRemoteIsActive = false; 5050 } 5051 return false; 5052 } 5053 5054 /** 5055 * Returns true if the given playback state is considered "active", i.e. it describes a state 5056 * where playback is happening, or about to 5057 * @param playState the playback state to evaluate 5058 * @return true if active, false otherwise (inactive or unknown) 5059 */ 5060 private static boolean isPlaystateActive(int playState) { 5061 switch (playState) { 5062 case RemoteControlClient.PLAYSTATE_PLAYING: 5063 case RemoteControlClient.PLAYSTATE_BUFFERING: 5064 case RemoteControlClient.PLAYSTATE_FAST_FORWARDING: 5065 case RemoteControlClient.PLAYSTATE_REWINDING: 5066 case RemoteControlClient.PLAYSTATE_SKIPPING_BACKWARDS: 5067 case RemoteControlClient.PLAYSTATE_SKIPPING_FORWARDS: 5068 return true; 5069 default: 5070 return false; 5071 } 5072 } 5073 5074 private void adjustRemoteVolume(int streamType, int direction, int flags) { 5075 int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 5076 boolean volFixed = false; 5077 synchronized (mMainRemote) { 5078 if (!mMainRemoteIsActive) { 5079 if (DEBUG_VOL) Log.w(TAG, "adjustRemoteVolume didn't find an active client"); 5080 return; 5081 } 5082 rccId = mMainRemote.mRccId; 5083 volFixed = (mMainRemote.mVolumeHandling == 5084 RemoteControlClient.PLAYBACK_VOLUME_FIXED); 5085 } 5086 // unlike "local" stream volumes, we can't compute the new volume based on the direction, 5087 // we can only notify the remote that volume needs to be updated, and we'll get an async' 5088 // update through setPlaybackInfoForRcc() 5089 if (!volFixed) { 5090 sendVolumeUpdateToRemote(rccId, direction); 5091 } 5092 5093 // fire up the UI 5094 mVolumePanel.postRemoteVolumeChanged(streamType, flags); 5095 } 5096 5097 private void sendVolumeUpdateToRemote(int rccId, int direction) { 5098 if (DEBUG_VOL) { Log.d(TAG, "sendVolumeUpdateToRemote(rccId="+rccId+" , dir="+direction); } 5099 if (direction == 0) { 5100 // only handling discrete events 5101 return; 5102 } 5103 String packageForRcc = null; 5104 synchronized (mRCStack) { 5105 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5106 while(stackIterator.hasNext()) { 5107 RemoteControlStackEntry rcse = stackIterator.next(); 5108 //FIXME OPTIMIZE store this info in mMainRemote so we don't have to iterate? 5109 if (rcse.mRccId == rccId) { 5110 packageForRcc = rcse.mReceiverComponent.getPackageName(); 5111 break; 5112 } 5113 } 5114 } 5115 if (packageForRcc != null) { 5116 Intent intent = new Intent(Intent.ACTION_VOLUME_UPDATE); 5117 intent.putExtra(Intent.EXTRA_VOLUME_UPDATE_DIRECTION, direction); 5118 intent.setPackage(packageForRcc); 5119 mContext.sendBroadcast(intent); 5120 } 5121 } 5122 5123 public int getRemoteStreamMaxVolume() { 5124 synchronized (mMainRemote) { 5125 if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { 5126 return 0; 5127 } 5128 return mMainRemote.mVolumeMax; 5129 } 5130 } 5131 5132 public int getRemoteStreamVolume() { 5133 synchronized (mMainRemote) { 5134 if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { 5135 return 0; 5136 } 5137 return mMainRemote.mVolume; 5138 } 5139 } 5140 5141 public void setRemoteStreamVolume(int vol) { 5142 if (DEBUG_VOL) { Log.d(TAG, "setRemoteStreamVolume(vol="+vol+")"); } 5143 int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 5144 synchronized (mMainRemote) { 5145 if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { 5146 return; 5147 } 5148 rccId = mMainRemote.mRccId; 5149 } 5150 String packageForRcc = null; 5151 synchronized (mRCStack) { 5152 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5153 while(stackIterator.hasNext()) { 5154 RemoteControlStackEntry rcse = stackIterator.next(); 5155 if (rcse.mRccId == rccId) { 5156 //FIXME OPTIMIZE store this info in mMainRemote so we don't have to iterate? 5157 packageForRcc = rcse.mReceiverComponent.getPackageName(); 5158 break; 5159 } 5160 } 5161 } 5162 if (packageForRcc != null) { 5163 Intent intent = new Intent(Intent.ACTION_VOLUME_UPDATE); 5164 intent.putExtra(Intent.EXTRA_VOLUME_UPDATE_VALUE, vol); 5165 intent.setPackage(packageForRcc); 5166 mContext.sendBroadcast(intent); 5167 } 5168 } 5169 5170 /** 5171 * Call to make AudioService reevaluate whether it's in a mode where remote players should 5172 * have their volume controlled. In this implementation this is only to reset whether 5173 * VolumePanel should display remote volumes 5174 */ 5175 private void postReevaluateRemote() { 5176 sendMsg(mAudioHandler, MSG_REEVALUATE_REMOTE, SENDMSG_QUEUE, 0, 0, null, 0); 5177 } 5178 5179 private void onReevaluateRemote() { 5180 if (DEBUG_VOL) { Log.w(TAG, "onReevaluateRemote()"); } 5181 // is there a registered RemoteControlClient that is handling remote playback 5182 boolean hasRemotePlayback = false; 5183 synchronized (mRCStack) { 5184 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5185 while(stackIterator.hasNext()) { 5186 RemoteControlStackEntry rcse = stackIterator.next(); 5187 if (rcse.mPlaybackType == RemoteControlClient.PLAYBACK_TYPE_REMOTE) { 5188 hasRemotePlayback = true; 5189 break; 5190 } 5191 } 5192 } 5193 synchronized (mMainRemote) { 5194 if (mHasRemotePlayback != hasRemotePlayback) { 5195 mHasRemotePlayback = hasRemotePlayback; 5196 mVolumePanel.postRemoteSliderVisibility(hasRemotePlayback); 5197 } 5198 } 5199 } 5200 5201 //========================================================================================== 5202 // Device orientation 5203 //========================================================================================== 5204 /** 5205 * Handles device configuration changes that may map to a change in the orientation. 5206 * This feature is optional, and is defined by the definition and value of the 5207 * "ro.audio.monitorOrientation" system property. 5208 */ 5209 private void handleConfigurationChanged(Context context) { 5210 try { 5211 // reading new orientation "safely" (i.e. under try catch) in case anything 5212 // goes wrong when obtaining resources and configuration 5213 int newOrientation = context.getResources().getConfiguration().orientation; 5214 if (newOrientation != mDeviceOrientation) { 5215 mDeviceOrientation = newOrientation; 5216 setOrientationForAudioSystem(); 5217 } 5218 } catch (Exception e) { 5219 Log.e(TAG, "Error retrieving device orientation: " + e); 5220 } 5221 } 5222 5223 private void setOrientationForAudioSystem() { 5224 switch (mDeviceOrientation) { 5225 case Configuration.ORIENTATION_LANDSCAPE: 5226 //Log.i(TAG, "orientation is landscape"); 5227 AudioSystem.setParameters("orientation=landscape"); 5228 break; 5229 case Configuration.ORIENTATION_PORTRAIT: 5230 //Log.i(TAG, "orientation is portrait"); 5231 AudioSystem.setParameters("orientation=portrait"); 5232 break; 5233 case Configuration.ORIENTATION_SQUARE: 5234 //Log.i(TAG, "orientation is square"); 5235 AudioSystem.setParameters("orientation=square"); 5236 break; 5237 case Configuration.ORIENTATION_UNDEFINED: 5238 //Log.i(TAG, "orientation is undefined"); 5239 AudioSystem.setParameters("orientation=undefined"); 5240 break; 5241 default: 5242 Log.e(TAG, "Unknown orientation"); 5243 } 5244 } 5245 5246 5247 // Handles request to override default use of A2DP for media. 5248 public void setBluetoothA2dpOnInt(boolean on) { 5249 synchronized (mBluetoothA2dpEnabledLock) { 5250 mBluetoothA2dpEnabled = on; 5251 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 5252 AudioSystem.FOR_MEDIA, 5253 mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP, 5254 null, 0); 5255 } 5256 } 5257 5258 @Override 5259 public void setRingtonePlayer(IRingtonePlayer player) { 5260 mContext.enforceCallingOrSelfPermission(REMOTE_AUDIO_PLAYBACK, null); 5261 mRingtonePlayer = player; 5262 } 5263 5264 @Override 5265 public IRingtonePlayer getRingtonePlayer() { 5266 return mRingtonePlayer; 5267 } 5268 5269 @Override 5270 public AudioRoutesInfo startWatchingRoutes(IAudioRoutesObserver observer) { 5271 synchronized (mCurAudioRoutes) { 5272 AudioRoutesInfo routes = new AudioRoutesInfo(mCurAudioRoutes); 5273 mRoutesObservers.register(observer); 5274 return routes; 5275 } 5276 } 5277 5278 @Override 5279 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 5280 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG); 5281 5282 dumpFocusStack(pw); 5283 dumpRCStack(pw); 5284 dumpRCCStack(pw); 5285 dumpStreamStates(pw); 5286 pw.println("\nAudio routes:"); 5287 pw.print(" mMainType=0x"); pw.println(Integer.toHexString(mCurAudioRoutes.mMainType)); 5288 pw.print(" mBluetoothName="); pw.println(mCurAudioRoutes.mBluetoothName); 5289 } 5290} 5291