AudioService.java revision cbdb49dc5e1b993a0bc5c68dbfb9486bfa0cd762
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.media.AudioManager.RINGER_MODE_NORMAL; 20import static android.media.AudioManager.RINGER_MODE_SILENT; 21import static android.media.AudioManager.RINGER_MODE_VIBRATE; 22 23import android.app.ActivityManagerNative; 24import android.app.KeyguardManager; 25import android.app.PendingIntent; 26import android.app.PendingIntent.CanceledException; 27import android.bluetooth.BluetoothA2dp; 28import android.bluetooth.BluetoothAdapter; 29import android.bluetooth.BluetoothClass; 30import android.bluetooth.BluetoothDevice; 31import android.bluetooth.BluetoothHeadset; 32import android.bluetooth.BluetoothProfile; 33import android.content.BroadcastReceiver; 34import android.content.ComponentName; 35import android.content.ContentResolver; 36import android.content.Context; 37import android.content.Intent; 38import android.content.IntentFilter; 39import android.content.pm.PackageManager; 40import android.database.ContentObserver; 41import android.media.MediaPlayer.OnCompletionListener; 42import android.media.MediaPlayer.OnErrorListener; 43import android.os.Binder; 44import android.os.Bundle; 45import android.os.Environment; 46import android.os.Handler; 47import android.os.IBinder; 48import android.os.Looper; 49import android.os.Message; 50import android.os.RemoteException; 51import android.os.ServiceManager; 52import android.os.SystemProperties; 53import android.provider.Settings; 54import android.provider.Settings.System; 55import android.telephony.PhoneStateListener; 56import android.telephony.TelephonyManager; 57import android.util.Log; 58import android.view.KeyEvent; 59import android.view.VolumePanel; 60 61import com.android.internal.telephony.ITelephony; 62 63import java.io.FileDescriptor; 64import java.io.IOException; 65import java.io.PrintWriter; 66import java.util.ArrayList; 67import java.util.HashMap; 68import java.util.Iterator; 69import java.util.List; 70import java.util.Map; 71import java.util.NoSuchElementException; 72import java.util.Set; 73import java.util.Stack; 74 75/** 76 * The implementation of the volume manager service. 77 * <p> 78 * This implementation focuses on delivering a responsive UI. Most methods are 79 * asynchronous to external calls. For example, the task of setting a volume 80 * will update our internal state, but in a separate thread will set the system 81 * volume and later persist to the database. Similarly, setting the ringer mode 82 * will update the state and broadcast a change and in a separate thread later 83 * persist the ringer mode. 84 * 85 * @hide 86 */ 87public class AudioService extends IAudioService.Stub { 88 89 private static final String TAG = "AudioService"; 90 91 /** Debug remote control client/display feature */ 92 protected static final boolean DEBUG_RC = false; 93 94 /** How long to delay before persisting a change in volume/ringer mode. */ 95 private static final int PERSIST_DELAY = 3000; 96 97 private Context mContext; 98 private ContentResolver mContentResolver; 99 private boolean mVoiceCapable; 100 101 /** The UI */ 102 private VolumePanel mVolumePanel; 103 104 // sendMsg() flags 105 /** If the msg is already queued, replace it with this one. */ 106 private static final int SENDMSG_REPLACE = 0; 107 /** If the msg is already queued, ignore this one and leave the old. */ 108 private static final int SENDMSG_NOOP = 1; 109 /** If the msg is already queued, queue this one and leave the old. */ 110 private static final int SENDMSG_QUEUE = 2; 111 112 // AudioHandler message.whats 113 private static final int MSG_SET_DEVICE_VOLUME = 0; 114 private static final int MSG_PERSIST_VOLUME = 1; 115 private static final int MSG_PERSIST_RINGER_MODE = 3; 116 private static final int MSG_PERSIST_VIBRATE_SETTING = 4; 117 private static final int MSG_MEDIA_SERVER_DIED = 5; 118 private static final int MSG_MEDIA_SERVER_STARTED = 6; 119 private static final int MSG_PLAY_SOUND_EFFECT = 7; 120 private static final int MSG_BTA2DP_DOCK_TIMEOUT = 8; 121 private static final int MSG_LOAD_SOUND_EFFECTS = 9; 122 private static final int MSG_SET_FORCE_USE = 10; 123 private static final int MSG_PERSIST_MEDIABUTTONRECEIVER = 11; 124 private static final int MSG_BT_HEADSET_CNCT_FAILED = 12; 125 private static final int MSG_RCDISPLAY_CLEAR = 13; 126 private static final int MSG_RCDISPLAY_UPDATE = 14; 127 private static final int MSG_SET_ALL_VOLUMES = 15; 128 129 130 // flags for MSG_PERSIST_VOLUME indicating if current and/or last audible volume should be 131 // persisted 132 private static final int PERSIST_CURRENT = 0x1; 133 private static final int PERSIST_LAST_AUDIBLE = 0x2; 134 135 private static final int BTA2DP_DOCK_TIMEOUT_MILLIS = 8000; 136 // Timeout for connection to bluetooth headset service 137 private static final int BT_HEADSET_CNCT_TIMEOUT_MS = 3000; 138 139 // Amount to raise/lower master volume 140 // FIXME - this should probably be in a resource 141 private static final float MASTER_VOLUME_INCREMENT = 0.05f; 142 143 /** @see AudioSystemThread */ 144 private AudioSystemThread mAudioSystemThread; 145 /** @see AudioHandler */ 146 private AudioHandler mAudioHandler; 147 /** @see VolumeStreamState */ 148 private VolumeStreamState[] mStreamStates; 149 private SettingsObserver mSettingsObserver; 150 151 private int mMode; 152 // protects mRingerMode 153 private final Object mSettingsLock = new Object(); 154 private boolean mMediaServerOk; 155 156 private SoundPool mSoundPool; 157 private final Object mSoundEffectsLock = new Object(); 158 private static final int NUM_SOUNDPOOL_CHANNELS = 4; 159 private static final int SOUND_EFFECT_VOLUME = 1000; 160 161 /* Sound effect file names */ 162 private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/"; 163 private static final String[] SOUND_EFFECT_FILES = new String[] { 164 "Effect_Tick.ogg", 165 "KeypressStandard.ogg", 166 "KeypressSpacebar.ogg", 167 "KeypressDelete.ogg", 168 "KeypressReturn.ogg" 169 }; 170 171 /* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to 172 * file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect 173 * uses soundpool (second column) */ 174 private final int[][] SOUND_EFFECT_FILES_MAP = new int[][] { 175 {0, -1}, // FX_KEY_CLICK 176 {0, -1}, // FX_FOCUS_NAVIGATION_UP 177 {0, -1}, // FX_FOCUS_NAVIGATION_DOWN 178 {0, -1}, // FX_FOCUS_NAVIGATION_LEFT 179 {0, -1}, // FX_FOCUS_NAVIGATION_RIGHT 180 {1, -1}, // FX_KEYPRESS_STANDARD 181 {2, -1}, // FX_KEYPRESS_SPACEBAR 182 {3, -1}, // FX_FOCUS_DELETE 183 {4, -1} // FX_FOCUS_RETURN 184 }; 185 186 /** @hide Maximum volume index values for audio streams */ 187 private final int[] MAX_STREAM_VOLUME = new int[] { 188 5, // STREAM_VOICE_CALL 189 7, // STREAM_SYSTEM 190 7, // STREAM_RING 191 15, // STREAM_MUSIC 192 7, // STREAM_ALARM 193 7, // STREAM_NOTIFICATION 194 15, // STREAM_BLUETOOTH_SCO 195 7, // STREAM_SYSTEM_ENFORCED 196 15, // STREAM_DTMF 197 15 // STREAM_TTS 198 }; 199 /* STREAM_VOLUME_ALIAS[] indicates for each stream if it uses the volume settings 200 * of another stream: This avoids multiplying the volume settings for hidden 201 * stream types that follow other stream behavior for volume settings 202 * NOTE: do not create loops in aliases! */ 203 private final int[] STREAM_VOLUME_ALIAS = new int[] { 204 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 205 AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM 206 AudioSystem.STREAM_RING, // STREAM_RING 207 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 208 AudioSystem.STREAM_ALARM, // STREAM_ALARM 209 AudioSystem.STREAM_RING, // STREAM_NOTIFICATION 210 AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO 211 AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM_ENFORCED 212 AudioSystem.STREAM_VOICE_CALL, // STREAM_DTMF 213 AudioSystem.STREAM_MUSIC // STREAM_TTS 214 }; 215 216 private final AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { 217 public void onError(int error) { 218 switch (error) { 219 case AudioSystem.AUDIO_STATUS_SERVER_DIED: 220 if (mMediaServerOk) { 221 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0, 222 null, 1500); 223 mMediaServerOk = false; 224 } 225 break; 226 case AudioSystem.AUDIO_STATUS_OK: 227 if (!mMediaServerOk) { 228 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_STARTED, SENDMSG_NOOP, 0, 0, 229 null, 0); 230 mMediaServerOk = true; 231 } 232 break; 233 default: 234 break; 235 } 236 } 237 }; 238 239 /** 240 * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, 241 * {@link AudioManager#RINGER_MODE_SILENT}, or 242 * {@link AudioManager#RINGER_MODE_VIBRATE}. 243 */ 244 // protected by mSettingsLock 245 private int mRingerMode; 246 247 /** @see System#MODE_RINGER_STREAMS_AFFECTED */ 248 private int mRingerModeAffectedStreams; 249 250 // Streams currently muted by ringer mode 251 private int mRingerModeMutedStreams; 252 253 /** @see System#MUTE_STREAMS_AFFECTED */ 254 private int mMuteAffectedStreams; 255 256 /** 257 * Has multiple bits per vibrate type to indicate the type's vibrate 258 * setting. See {@link #setVibrateSetting(int, int)}. 259 * <p> 260 * NOTE: This is not the final decision of whether vibrate is on/off for the 261 * type since it depends on the ringer mode. See {@link #shouldVibrate(int)}. 262 */ 263 private int mVibrateSetting; 264 265 // Broadcast receiver for device connections intent broadcasts 266 private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); 267 268 // Broadcast receiver for media button broadcasts (separate from mReceiver to 269 // independently change its priority) 270 private final BroadcastReceiver mMediaButtonReceiver = new MediaButtonBroadcastReceiver(); 271 272 // Used to alter media button redirection when the phone is ringing. 273 private boolean mIsRinging = false; 274 275 // Devices currently connected 276 private final HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>(); 277 278 // Forced device usage for communications 279 private int mForcedUseForComm; 280 281 // List of binder death handlers for setMode() client processes. 282 // The last process to have called setMode() is at the top of the list. 283 private final ArrayList <SetModeDeathHandler> mSetModeDeathHandlers = new ArrayList <SetModeDeathHandler>(); 284 285 // List of clients having issued a SCO start request 286 private final ArrayList <ScoClient> mScoClients = new ArrayList <ScoClient>(); 287 288 // BluetoothHeadset API to control SCO connection 289 private BluetoothHeadset mBluetoothHeadset; 290 291 // Bluetooth headset device 292 private BluetoothDevice mBluetoothHeadsetDevice; 293 294 // Indicate if SCO audio connection is currently active and if the initiator is 295 // audio service (internal) or bluetooth headset (external) 296 private int mScoAudioState; 297 // SCO audio state is not active 298 private static final int SCO_STATE_INACTIVE = 0; 299 // SCO audio activation request waiting for headset service to connect 300 private static final int SCO_STATE_ACTIVATE_REQ = 1; 301 // SCO audio state is active or starting due to a local request to start a virtual call 302 private static final int SCO_STATE_ACTIVE_INTERNAL = 3; 303 // SCO audio deactivation request waiting for headset service to connect 304 private static final int SCO_STATE_DEACTIVATE_REQ = 5; 305 306 // SCO audio state is active due to an action in BT handsfree (either voice recognition or 307 // in call audio) 308 private static final int SCO_STATE_ACTIVE_EXTERNAL = 2; 309 // Deactivation request for all SCO connections (initiated by audio mode change) 310 // waiting for headset service to connect 311 private static final int SCO_STATE_DEACTIVATE_EXT_REQ = 4; 312 313 // Current connection state indicated by bluetooth headset 314 private int mScoConnectionState; 315 316 // true if boot sequence has been completed 317 private boolean mBootCompleted; 318 // listener for SoundPool sample load completion indication 319 private SoundPoolCallback mSoundPoolCallBack; 320 // thread for SoundPool listener 321 private SoundPoolListenerThread mSoundPoolListenerThread; 322 // message looper for SoundPool listener 323 private Looper mSoundPoolLooper = null; 324 // default volume applied to sound played with playSoundEffect() 325 private static final int SOUND_EFFECT_DEFAULT_VOLUME_DB = -20; 326 // volume applied to sound played with playSoundEffect() read from ro.config.sound_fx_volume 327 private int SOUND_EFFECT_VOLUME_DB; 328 // getActiveStreamType() will return STREAM_NOTIFICATION during this period after a notification 329 // stopped 330 private static final int NOTIFICATION_VOLUME_DELAY_MS = 5000; 331 // previous volume adjustment direction received by checkForRingerModeChange() 332 private int mPrevVolDirection = AudioManager.ADJUST_SAME; 333 // Keyguard manager proxy 334 private KeyguardManager mKeyguardManager; 335 336 337 /////////////////////////////////////////////////////////////////////////// 338 // Construction 339 /////////////////////////////////////////////////////////////////////////// 340 341 /** @hide */ 342 public AudioService(Context context) { 343 mContext = context; 344 mContentResolver = context.getContentResolver(); 345 mVoiceCapable = mContext.getResources().getBoolean( 346 com.android.internal.R.bool.config_voice_capable); 347 348 // Intialized volume 349 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = SystemProperties.getInt( 350 "ro.config.vc_call_vol_steps", 351 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]); 352 353 SOUND_EFFECT_VOLUME_DB = SystemProperties.getInt( 354 "ro.config.sound_fx_volume", 355 SOUND_EFFECT_DEFAULT_VOLUME_DB); 356 357 mVolumePanel = new VolumePanel(context, this); 358 mForcedUseForComm = AudioSystem.FORCE_NONE; 359 createAudioSystemThread(); 360 readPersistedSettings(); 361 mSettingsObserver = new SettingsObserver(); 362 createStreamStates(); 363 364 mMode = AudioSystem.MODE_NORMAL; 365 mMediaServerOk = true; 366 367 // Call setRingerModeInt() to apply correct mute 368 // state on streams affected by ringer mode. 369 mRingerModeMutedStreams = 0; 370 setRingerModeInt(getRingerMode(), false); 371 372 AudioSystem.setErrorCallback(mAudioSystemCallback); 373 374 // Register for device connection intent broadcasts. 375 IntentFilter intentFilter = 376 new IntentFilter(Intent.ACTION_HEADSET_PLUG); 377 378 intentFilter.addAction(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED); 379 intentFilter.addAction(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); 380 intentFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED); 381 intentFilter.addAction(Intent.ACTION_DOCK_EVENT); 382 intentFilter.addAction(Intent.ACTION_USB_ANLG_HEADSET_PLUG); 383 intentFilter.addAction(Intent.ACTION_USB_DGTL_HEADSET_PLUG); 384 intentFilter.addAction(Intent.ACTION_HDMI_AUDIO_PLUG); 385 intentFilter.addAction(Intent.ACTION_BOOT_COMPLETED); 386 intentFilter.addAction(Intent.ACTION_SCREEN_ON); 387 intentFilter.addAction(Intent.ACTION_SCREEN_OFF); 388 context.registerReceiver(mReceiver, intentFilter); 389 390 // Register for package removal intent broadcasts for media button receiver persistence 391 IntentFilter pkgFilter = new IntentFilter(); 392 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 393 pkgFilter.addDataScheme("package"); 394 context.registerReceiver(mReceiver, pkgFilter); 395 396 // Register for media button intent broadcasts. 397 intentFilter = new IntentFilter(Intent.ACTION_MEDIA_BUTTON); 398 // Workaround for bug on priority setting 399 //intentFilter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 400 intentFilter.setPriority(Integer.MAX_VALUE); 401 context.registerReceiver(mMediaButtonReceiver, intentFilter); 402 403 // Register for phone state monitoring 404 TelephonyManager tmgr = (TelephonyManager) 405 context.getSystemService(Context.TELEPHONY_SERVICE); 406 tmgr.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); 407 } 408 409 private void createAudioSystemThread() { 410 mAudioSystemThread = new AudioSystemThread(); 411 mAudioSystemThread.start(); 412 waitForAudioHandlerCreation(); 413 } 414 415 /** Waits for the volume handler to be created by the other thread. */ 416 private void waitForAudioHandlerCreation() { 417 synchronized(this) { 418 while (mAudioHandler == null) { 419 try { 420 // Wait for mAudioHandler to be set by the other thread 421 wait(); 422 } catch (InterruptedException e) { 423 Log.e(TAG, "Interrupted while waiting on volume handler."); 424 } 425 } 426 } 427 } 428 429 private void createStreamStates() { 430 int numStreamTypes = AudioSystem.getNumStreamTypes(); 431 VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; 432 433 for (int i = 0; i < numStreamTypes; i++) { 434 streams[i] = new VolumeStreamState(System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[i]], i); 435 } 436 437 // Correct stream index values for streams with aliases 438 for (int i = 0; i < numStreamTypes; i++) { 439 int device = getDeviceForStream(i); 440 if (STREAM_VOLUME_ALIAS[i] != i) { 441 int index = rescaleIndex(streams[i].getIndex(device, false /* lastAudible */), 442 STREAM_VOLUME_ALIAS[i], 443 i); 444 streams[i].mIndex.put(device, streams[i].getValidIndex(index)); 445 streams[i].applyDeviceVolume(device); 446 index = rescaleIndex(streams[i].getIndex(device, true /* lastAudible */), 447 STREAM_VOLUME_ALIAS[i], 448 i); 449 streams[i].mLastAudibleIndex.put(device, streams[i].getValidIndex(index)); 450 } 451 } 452 } 453 454 private void readPersistedSettings() { 455 final ContentResolver cr = mContentResolver; 456 457 int ringerMode = System.getInt(cr, System.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); 458 // sanity check in case the settings are restored from a device with incompatible 459 // ringer modes 460 if (!AudioManager.isValidRingerMode(ringerMode)) { 461 ringerMode = AudioManager.RINGER_MODE_NORMAL; 462 System.putInt(cr, System.MODE_RINGER, ringerMode); 463 } 464 synchronized(mSettingsLock) { 465 mRingerMode = ringerMode; 466 } 467 468 mVibrateSetting = System.getInt(cr, System.VIBRATE_ON, 0); 469 470 // make sure settings for ringer mode are consistent with device type: non voice capable 471 // devices (tablets) include media stream in silent mode whereas phones don't. 472 mRingerModeAffectedStreams = Settings.System.getInt(cr, 473 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 474 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 475 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 476 if (mVoiceCapable) { 477 mRingerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); 478 } else { 479 mRingerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); 480 } 481 Settings.System.putInt(cr, 482 Settings.System.MODE_RINGER_STREAMS_AFFECTED, mRingerModeAffectedStreams); 483 484 mMuteAffectedStreams = System.getInt(cr, 485 System.MUTE_STREAMS_AFFECTED, 486 ((1 << AudioSystem.STREAM_MUSIC)|(1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_SYSTEM))); 487 488 // Each stream will read its own persisted settings 489 490 // Broadcast the sticky intent 491 broadcastRingerMode(ringerMode); 492 493 // Broadcast vibrate settings 494 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); 495 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); 496 497 // Restore the default media button receiver from the system settings 498 restoreMediaButtonReceiver(); 499 } 500 501 private int rescaleIndex(int index, int srcStream, int dstStream) { 502 return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex(); 503 } 504 505 /////////////////////////////////////////////////////////////////////////// 506 // IPC methods 507 /////////////////////////////////////////////////////////////////////////// 508 509 /** @see AudioManager#adjustVolume(int, int) */ 510 public void adjustVolume(int direction, int flags) { 511 adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags); 512 } 513 514 /** @see AudioManager#adjustVolume(int, int, int) */ 515 public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { 516 517 int streamType; 518 if ((flags & AudioManager.FLAG_FORCE_STREAM) != 0) { 519 streamType = suggestedStreamType; 520 } else { 521 streamType = getActiveStreamType(suggestedStreamType); 522 } 523 524 // Play sounds on STREAM_RING only and if lock screen is not on. 525 if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 && 526 ((STREAM_VOLUME_ALIAS[streamType] != AudioSystem.STREAM_RING) 527 || (mKeyguardManager != null && mKeyguardManager.isKeyguardLocked()))) { 528 flags &= ~AudioManager.FLAG_PLAY_SOUND; 529 } 530 531 adjustStreamVolume(streamType, direction, flags); 532 } 533 534 /** @see AudioManager#adjustStreamVolume(int, int, int) */ 535 public void adjustStreamVolume(int streamType, int direction, int flags) { 536 ensureValidDirection(direction); 537 ensureValidStreamType(streamType); 538 539 // use stream type alias here so that streams with same alias have the same behavior, 540 // including with regard to silent mode control (e.g the use of STREAM_RING below and in 541 // checkForRingerModeChange() in place of STREAM_RING or STREAM_NOTIFICATION) 542 int streamTypeAlias = STREAM_VOLUME_ALIAS[streamType]; 543 VolumeStreamState streamState = mStreamStates[streamTypeAlias]; 544 545 final int device = getDeviceForStream(streamTypeAlias); 546 // get last audible index if stream is muted, current index otherwise 547 final int oldIndex = streamState.getIndex(device, 548 (streamState.muteCount() != 0) /* lastAudible */); 549 boolean adjustVolume = true; 550 551 // If either the client forces allowing ringer modes for this adjustment, 552 // or the stream type is one that is affected by ringer modes 553 if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || 554 streamTypeAlias == AudioSystem.STREAM_RING || 555 (!mVoiceCapable && streamTypeAlias == AudioSystem.STREAM_MUSIC)) { 556 int ringerMode = getRingerMode(); 557 // do not vibrate if already in vibrate mode 558 if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) { 559 flags &= ~AudioManager.FLAG_VIBRATE; 560 } 561 // Check if the ringer mode changes with this volume adjustment. If 562 // it does, it will handle adjusting the volume, so we won't below 563 adjustVolume = checkForRingerModeChange(oldIndex, direction, streamTypeAlias); 564 } 565 566 // If stream is muted, adjust last audible index only 567 int index; 568 if (streamState.muteCount() != 0) { 569 if (adjustVolume) { 570 // adjust volume on all stream types sharing the same alias otherwise a query 571 // on last audible index for an alias would not give the correct value 572 int numStreamTypes = AudioSystem.getNumStreamTypes(); 573 for (int i = numStreamTypes - 1; i >= 0; i--) { 574 if (STREAM_VOLUME_ALIAS[i] == streamTypeAlias) { 575 VolumeStreamState s = mStreamStates[i]; 576 577 s.adjustLastAudibleIndex(direction, device); 578 // Post a persist volume msg 579 sendMsg(mAudioHandler, 580 MSG_PERSIST_VOLUME, 581 SENDMSG_REPLACE, 582 PERSIST_LAST_AUDIBLE, 583 device, 584 s, 585 PERSIST_DELAY); 586 } 587 } 588 } 589 index = streamState.getIndex(device, true /* lastAudible */); 590 } else { 591 if (adjustVolume && streamState.adjustIndex(direction, device)) { 592 // Post message to set system volume (it in turn will post a message 593 // to persist). Do not change volume if stream is muted. 594 sendMsg(mAudioHandler, 595 MSG_SET_DEVICE_VOLUME, 596 SENDMSG_NOOP, 597 device, 598 0, 599 streamState, 600 0); 601 } 602 index = streamState.getIndex(device, false /* lastAudible */); 603 } 604 605 sendVolumeUpdate(streamType, oldIndex, index, flags); 606 } 607 608 /** @see AudioManager#adjustMasterVolume(int) */ 609 public void adjustMasterVolume(int direction) { 610 ensureValidDirection(direction); 611 612 float volume = AudioSystem.getMasterVolume(); 613 if (volume >= 0.0) { 614 if (direction == AudioManager.ADJUST_RAISE) { 615 volume += MASTER_VOLUME_INCREMENT; 616 if (volume > 1.0f) volume = 1.0f; 617 } else if (direction == AudioManager.ADJUST_LOWER) { 618 volume -= MASTER_VOLUME_INCREMENT; 619 if (volume < 0.0f) volume = 0.0f; 620 } 621 AudioSystem.setMasterVolume(volume); 622 } 623 } 624 625 /** @see AudioManager#setStreamVolume(int, int, int) */ 626 public void setStreamVolume(int streamType, int index, int flags) { 627 ensureValidStreamType(streamType); 628 VolumeStreamState streamState = mStreamStates[STREAM_VOLUME_ALIAS[streamType]]; 629 630 final int device = getDeviceForStream(streamType); 631 // get last audible index if stream is muted, current index otherwise 632 final int oldIndex = streamState.getIndex(device, 633 (streamState.muteCount() != 0) /* lastAudible */); 634 635 // setting ring or notifications volume to 0 on voice capable devices enters silent mode 636 if (mVoiceCapable && (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || 637 (STREAM_VOLUME_ALIAS[streamType] == AudioSystem.STREAM_RING))) { 638 int newRingerMode; 639 if (index == 0) { 640 newRingerMode = System.getInt(mContentResolver, System.VIBRATE_IN_SILENT, 1) == 1 641 ? AudioManager.RINGER_MODE_VIBRATE 642 : AudioManager.RINGER_MODE_SILENT; 643 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], 644 index, 645 device, 646 false, 647 true); 648 } else { 649 newRingerMode = AudioManager.RINGER_MODE_NORMAL; 650 } 651 setRingerMode(newRingerMode); 652 } 653 654 index = rescaleIndex(index * 10, streamType, STREAM_VOLUME_ALIAS[streamType]); 655 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, device, false, true); 656 // get last audible index if stream is muted, current index otherwise 657 index = streamState.getIndex(device, 658 (streamState.muteCount() != 0) /* lastAudible */); 659 660 sendVolumeUpdate(streamType, oldIndex, index, flags); 661 } 662 663 // UI update and Broadcast Intent 664 private void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags) { 665 if (!mVoiceCapable && (streamType == AudioSystem.STREAM_RING)) { 666 streamType = AudioSystem.STREAM_NOTIFICATION; 667 } 668 669 mVolumePanel.postVolumeChanged(streamType, flags); 670 671 oldIndex = (oldIndex + 5) / 10; 672 index = (index + 5) / 10; 673 Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION); 674 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType); 675 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index); 676 intent.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex); 677 mContext.sendBroadcast(intent); 678 } 679 680 /** 681 * Sets the stream state's index, and posts a message to set system volume. 682 * This will not call out to the UI. Assumes a valid stream type. 683 * 684 * @param streamType Type of the stream 685 * @param index Desired volume index of the stream 686 * @param device the device whose volume must be changed 687 * @param force If true, set the volume even if the desired volume is same 688 * as the current volume. 689 * @param lastAudible If true, stores new index as last audible one 690 */ 691 private void setStreamVolumeInt(int streamType, 692 int index, 693 int device, 694 boolean force, 695 boolean lastAudible) { 696 VolumeStreamState streamState = mStreamStates[streamType]; 697 698 // If stream is muted, set last audible index only 699 if (streamState.muteCount() != 0) { 700 // Do not allow last audible index to be 0 701 if (index != 0) { 702 streamState.setLastAudibleIndex(index, device); 703 // Post a persist volume msg 704 sendMsg(mAudioHandler, 705 MSG_PERSIST_VOLUME, 706 SENDMSG_REPLACE, 707 PERSIST_LAST_AUDIBLE, 708 device, 709 streamState, 710 PERSIST_DELAY); 711 } 712 } else { 713 if (streamState.setIndex(index, device, lastAudible) || force) { 714 // Post message to set system volume (it in turn will post a message 715 // to persist). 716 sendMsg(mAudioHandler, 717 MSG_SET_DEVICE_VOLUME, 718 SENDMSG_NOOP, 719 device, 720 0, 721 streamState, 722 0); 723 } 724 } 725 } 726 727 /** @see AudioManager#setStreamSolo(int, boolean) */ 728 public void setStreamSolo(int streamType, boolean state, IBinder cb) { 729 for (int stream = 0; stream < mStreamStates.length; stream++) { 730 if (!isStreamAffectedByMute(stream) || stream == streamType) continue; 731 // Bring back last audible volume 732 mStreamStates[stream].mute(cb, state); 733 } 734 } 735 736 /** @see AudioManager#setStreamMute(int, boolean) */ 737 public void setStreamMute(int streamType, boolean state, IBinder cb) { 738 if (isStreamAffectedByMute(streamType)) { 739 mStreamStates[streamType].mute(cb, state); 740 } 741 } 742 743 /** get stream mute state. */ 744 public boolean isStreamMute(int streamType) { 745 return (mStreamStates[streamType].muteCount() != 0); 746 } 747 748 /** @see AudioManager#getStreamVolume(int) */ 749 public int getStreamVolume(int streamType) { 750 ensureValidStreamType(streamType); 751 int device = getDeviceForStream(streamType); 752 return (mStreamStates[streamType].getIndex(device, false /* lastAudible */) + 5) / 10; 753 } 754 755 /** @see AudioManager#getStreamMaxVolume(int) */ 756 public int getStreamMaxVolume(int streamType) { 757 ensureValidStreamType(streamType); 758 return (mStreamStates[streamType].getMaxIndex() + 5) / 10; 759 } 760 761 762 /** Get last audible volume before stream was muted. */ 763 public int getLastAudibleStreamVolume(int streamType) { 764 ensureValidStreamType(streamType); 765 int device = getDeviceForStream(streamType); 766 return (mStreamStates[streamType].getIndex(device, true /* lastAudible */) + 5) / 10; 767 } 768 769 /** @see AudioManager#getRingerMode() */ 770 public int getRingerMode() { 771 synchronized(mSettingsLock) { 772 return mRingerMode; 773 } 774 } 775 776 private void ensureValidRingerMode(int ringerMode) { 777 if (!AudioManager.isValidRingerMode(ringerMode)) { 778 throw new IllegalArgumentException("Bad ringer mode " + ringerMode); 779 } 780 } 781 782 /** @see AudioManager#setRingerMode(int) */ 783 public void setRingerMode(int ringerMode) { 784 ensureValidRingerMode(ringerMode); 785 if (ringerMode != getRingerMode()) { 786 setRingerModeInt(ringerMode, true); 787 // Send sticky broadcast 788 broadcastRingerMode(ringerMode); 789 } 790 } 791 792 private void setRingerModeInt(int ringerMode, boolean persist) { 793 synchronized(mSettingsLock) { 794 mRingerMode = ringerMode; 795 } 796 797 // Mute stream if not previously muted by ringer mode and ringer mode 798 // is not RINGER_MODE_NORMAL and stream is affected by ringer mode. 799 // Unmute stream if previously muted by ringer mode and ringer mode 800 // is RINGER_MODE_NORMAL or stream is not affected by ringer mode. 801 int numStreamTypes = AudioSystem.getNumStreamTypes(); 802 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 803 if (isStreamMutedByRingerMode(streamType)) { 804 if (!isStreamAffectedByRingerMode(streamType) || 805 ringerMode == AudioManager.RINGER_MODE_NORMAL) { 806 // ring and notifications volume should never be 0 when not silenced 807 // on voice capable devices 808 if (mVoiceCapable && 809 STREAM_VOLUME_ALIAS[streamType] == AudioSystem.STREAM_RING) { 810 811 Set set = mStreamStates[streamType].mLastAudibleIndex.entrySet(); 812 Iterator i = set.iterator(); 813 while (i.hasNext()) { 814 Map.Entry entry = (Map.Entry)i.next(); 815 if ((Integer)entry.getValue() == 0) { 816 entry.setValue(10); 817 } 818 } 819 } 820 mStreamStates[streamType].mute(null, false); 821 mRingerModeMutedStreams &= ~(1 << streamType); 822 } 823 } else { 824 if (isStreamAffectedByRingerMode(streamType) && 825 ringerMode != AudioManager.RINGER_MODE_NORMAL) { 826 mStreamStates[streamType].mute(null, true); 827 mRingerModeMutedStreams |= (1 << streamType); 828 } 829 } 830 } 831 832 // Post a persist ringer mode msg 833 if (persist) { 834 sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, 835 SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); 836 } 837 } 838 839 /** @see AudioManager#shouldVibrate(int) */ 840 public boolean shouldVibrate(int vibrateType) { 841 842 switch (getVibrateSetting(vibrateType)) { 843 844 case AudioManager.VIBRATE_SETTING_ON: 845 return getRingerMode() != AudioManager.RINGER_MODE_SILENT; 846 847 case AudioManager.VIBRATE_SETTING_ONLY_SILENT: 848 return getRingerMode() == AudioManager.RINGER_MODE_VIBRATE; 849 850 case AudioManager.VIBRATE_SETTING_OFF: 851 // return false, even for incoming calls 852 return false; 853 854 default: 855 return false; 856 } 857 } 858 859 /** @see AudioManager#getVibrateSetting(int) */ 860 public int getVibrateSetting(int vibrateType) { 861 return (mVibrateSetting >> (vibrateType * 2)) & 3; 862 } 863 864 /** @see AudioManager#setVibrateSetting(int, int) */ 865 public void setVibrateSetting(int vibrateType, int vibrateSetting) { 866 867 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting); 868 869 // Broadcast change 870 broadcastVibrateSetting(vibrateType); 871 872 // Post message to set ringer mode (it in turn will post a message 873 // to persist) 874 sendMsg(mAudioHandler, MSG_PERSIST_VIBRATE_SETTING, SENDMSG_NOOP, 0, 0, 875 null, 0); 876 } 877 878 /** 879 * @see #setVibrateSetting(int, int) 880 */ 881 public static int getValueForVibrateSetting(int existingValue, int vibrateType, 882 int vibrateSetting) { 883 884 // First clear the existing setting. Each vibrate type has two bits in 885 // the value. Note '3' is '11' in binary. 886 existingValue &= ~(3 << (vibrateType * 2)); 887 888 // Set into the old value 889 existingValue |= (vibrateSetting & 3) << (vibrateType * 2); 890 891 return existingValue; 892 } 893 894 private class SetModeDeathHandler implements IBinder.DeathRecipient { 895 private IBinder mCb; // To be notified of client's death 896 private int mPid; 897 private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client 898 899 SetModeDeathHandler(IBinder cb, int pid) { 900 mCb = cb; 901 mPid = pid; 902 } 903 904 public void binderDied() { 905 int newModeOwnerPid = 0; 906 synchronized(mSetModeDeathHandlers) { 907 Log.w(TAG, "setMode() client died"); 908 int index = mSetModeDeathHandlers.indexOf(this); 909 if (index < 0) { 910 Log.w(TAG, "unregistered setMode() client died"); 911 } else { 912 newModeOwnerPid = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid); 913 } 914 } 915 // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all 916 // SCO connections not started by the application changing the mode 917 if (newModeOwnerPid != 0) { 918 disconnectBluetoothSco(newModeOwnerPid); 919 } 920 } 921 922 public int getPid() { 923 return mPid; 924 } 925 926 public void setMode(int mode) { 927 mMode = mode; 928 } 929 930 public int getMode() { 931 return mMode; 932 } 933 934 public IBinder getBinder() { 935 return mCb; 936 } 937 } 938 939 /** @see AudioManager#setMode(int) */ 940 public void setMode(int mode, IBinder cb) { 941 if (!checkAudioSettingsPermission("setMode()")) { 942 return; 943 } 944 945 if (mode < AudioSystem.MODE_CURRENT || mode >= AudioSystem.NUM_MODES) { 946 return; 947 } 948 949 int newModeOwnerPid = 0; 950 synchronized(mSetModeDeathHandlers) { 951 if (mode == AudioSystem.MODE_CURRENT) { 952 mode = mMode; 953 } 954 newModeOwnerPid = setModeInt(mode, cb, Binder.getCallingPid()); 955 } 956 // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all 957 // SCO connections not started by the application changing the mode 958 if (newModeOwnerPid != 0) { 959 disconnectBluetoothSco(newModeOwnerPid); 960 } 961 } 962 963 // must be called synchronized on mSetModeDeathHandlers 964 // setModeInt() returns a valid PID if the audio mode was successfully set to 965 // any mode other than NORMAL. 966 int setModeInt(int mode, IBinder cb, int pid) { 967 int newModeOwnerPid = 0; 968 if (cb == null) { 969 Log.e(TAG, "setModeInt() called with null binder"); 970 return newModeOwnerPid; 971 } 972 973 SetModeDeathHandler hdlr = null; 974 Iterator iter = mSetModeDeathHandlers.iterator(); 975 while (iter.hasNext()) { 976 SetModeDeathHandler h = (SetModeDeathHandler)iter.next(); 977 if (h.getPid() == pid) { 978 hdlr = h; 979 // Remove from client list so that it is re-inserted at top of list 980 iter.remove(); 981 hdlr.getBinder().unlinkToDeath(hdlr, 0); 982 break; 983 } 984 } 985 int status = AudioSystem.AUDIO_STATUS_OK; 986 do { 987 if (mode == AudioSystem.MODE_NORMAL) { 988 // get new mode from client at top the list if any 989 if (!mSetModeDeathHandlers.isEmpty()) { 990 hdlr = mSetModeDeathHandlers.get(0); 991 cb = hdlr.getBinder(); 992 mode = hdlr.getMode(); 993 } 994 } else { 995 if (hdlr == null) { 996 hdlr = new SetModeDeathHandler(cb, pid); 997 } 998 // Register for client death notification 999 try { 1000 cb.linkToDeath(hdlr, 0); 1001 } catch (RemoteException e) { 1002 // Client has died! 1003 Log.w(TAG, "setMode() could not link to "+cb+" binder death"); 1004 } 1005 1006 // Last client to call setMode() is always at top of client list 1007 // as required by SetModeDeathHandler.binderDied() 1008 mSetModeDeathHandlers.add(0, hdlr); 1009 hdlr.setMode(mode); 1010 } 1011 1012 if (mode != mMode) { 1013 status = AudioSystem.setPhoneState(mode); 1014 if (status == AudioSystem.AUDIO_STATUS_OK) { 1015 mMode = mode; 1016 } else { 1017 if (hdlr != null) { 1018 mSetModeDeathHandlers.remove(hdlr); 1019 cb.unlinkToDeath(hdlr, 0); 1020 } 1021 // force reading new top of mSetModeDeathHandlers stack 1022 mode = AudioSystem.MODE_NORMAL; 1023 } 1024 } else { 1025 status = AudioSystem.AUDIO_STATUS_OK; 1026 } 1027 } while (status != AudioSystem.AUDIO_STATUS_OK && !mSetModeDeathHandlers.isEmpty()); 1028 1029 if (status == AudioSystem.AUDIO_STATUS_OK) { 1030 if (mode != AudioSystem.MODE_NORMAL) { 1031 if (mSetModeDeathHandlers.isEmpty()) { 1032 Log.e(TAG, "setMode() different from MODE_NORMAL with empty mode client stack"); 1033 } else { 1034 newModeOwnerPid = mSetModeDeathHandlers.get(0).getPid(); 1035 } 1036 } 1037 int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); 1038 int device = getDeviceForStream(streamType); 1039 int index = mStreamStates[STREAM_VOLUME_ALIAS[streamType]].getIndex(device, false); 1040 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, device, true, false); 1041 } 1042 return newModeOwnerPid; 1043 } 1044 1045 /** @see AudioManager#getMode() */ 1046 public int getMode() { 1047 return mMode; 1048 } 1049 1050 /** @see AudioManager#playSoundEffect(int) */ 1051 public void playSoundEffect(int effectType) { 1052 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_NOOP, 1053 effectType, -1, null, 0); 1054 } 1055 1056 /** @see AudioManager#playSoundEffect(int, float) */ 1057 public void playSoundEffectVolume(int effectType, float volume) { 1058 loadSoundEffects(); 1059 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_NOOP, 1060 effectType, (int) (volume * 1000), null, 0); 1061 } 1062 1063 /** 1064 * Loads samples into the soundpool. 1065 * This method must be called at first when sound effects are enabled 1066 */ 1067 public boolean loadSoundEffects() { 1068 int status; 1069 1070 synchronized (mSoundEffectsLock) { 1071 if (!mBootCompleted) { 1072 Log.w(TAG, "loadSoundEffects() called before boot complete"); 1073 return false; 1074 } 1075 1076 if (mSoundPool != null) { 1077 return true; 1078 } 1079 mSoundPool = new SoundPool(NUM_SOUNDPOOL_CHANNELS, AudioSystem.STREAM_SYSTEM, 0); 1080 1081 try { 1082 mSoundPoolCallBack = null; 1083 mSoundPoolListenerThread = new SoundPoolListenerThread(); 1084 mSoundPoolListenerThread.start(); 1085 // Wait for mSoundPoolCallBack to be set by the other thread 1086 mSoundEffectsLock.wait(); 1087 } catch (InterruptedException e) { 1088 Log.w(TAG, "Interrupted while waiting sound pool listener thread."); 1089 } 1090 1091 if (mSoundPoolCallBack == null) { 1092 Log.w(TAG, "loadSoundEffects() could not create SoundPool listener or thread"); 1093 if (mSoundPoolLooper != null) { 1094 mSoundPoolLooper.quit(); 1095 mSoundPoolLooper = null; 1096 } 1097 mSoundPoolListenerThread = null; 1098 mSoundPool.release(); 1099 mSoundPool = null; 1100 return false; 1101 } 1102 /* 1103 * poolId table: The value -1 in this table indicates that corresponding 1104 * file (same index in SOUND_EFFECT_FILES[] has not been loaded. 1105 * Once loaded, the value in poolId is the sample ID and the same 1106 * sample can be reused for another effect using the same file. 1107 */ 1108 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 1109 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 1110 poolId[fileIdx] = -1; 1111 } 1112 /* 1113 * Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded. 1114 * If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0: 1115 * this indicates we have a valid sample loaded for this effect. 1116 */ 1117 1118 int lastSample = 0; 1119 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1120 // Do not load sample if this effect uses the MediaPlayer 1121 if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) { 1122 continue; 1123 } 1124 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) { 1125 String filePath = Environment.getRootDirectory() 1126 + SOUND_EFFECTS_PATH 1127 + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effect][0]]; 1128 int sampleId = mSoundPool.load(filePath, 0); 1129 if (sampleId <= 0) { 1130 Log.w(TAG, "Soundpool could not load file: "+filePath); 1131 } else { 1132 SOUND_EFFECT_FILES_MAP[effect][1] = sampleId; 1133 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId; 1134 lastSample = sampleId; 1135 } 1136 } else { 1137 SOUND_EFFECT_FILES_MAP[effect][1] = poolId[SOUND_EFFECT_FILES_MAP[effect][0]]; 1138 } 1139 } 1140 // wait for all samples to be loaded 1141 if (lastSample != 0) { 1142 mSoundPoolCallBack.setLastSample(lastSample); 1143 1144 try { 1145 mSoundEffectsLock.wait(); 1146 status = mSoundPoolCallBack.status(); 1147 } catch (java.lang.InterruptedException e) { 1148 Log.w(TAG, "Interrupted while waiting sound pool callback."); 1149 status = -1; 1150 } 1151 } else { 1152 status = -1; 1153 } 1154 1155 if (mSoundPoolLooper != null) { 1156 mSoundPoolLooper.quit(); 1157 mSoundPoolLooper = null; 1158 } 1159 mSoundPoolListenerThread = null; 1160 if (status != 0) { 1161 Log.w(TAG, 1162 "loadSoundEffects(), Error " 1163 + ((lastSample != 0) ? mSoundPoolCallBack.status() : -1) 1164 + " while loading samples"); 1165 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1166 if (SOUND_EFFECT_FILES_MAP[effect][1] > 0) { 1167 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 1168 } 1169 } 1170 1171 mSoundPool.release(); 1172 mSoundPool = null; 1173 } 1174 } 1175 return (status == 0); 1176 } 1177 1178 /** 1179 * Unloads samples from the sound pool. 1180 * This method can be called to free some memory when 1181 * sound effects are disabled. 1182 */ 1183 public void unloadSoundEffects() { 1184 synchronized (mSoundEffectsLock) { 1185 if (mSoundPool == null) { 1186 return; 1187 } 1188 1189 mAudioHandler.removeMessages(MSG_LOAD_SOUND_EFFECTS); 1190 mAudioHandler.removeMessages(MSG_PLAY_SOUND_EFFECT); 1191 1192 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 1193 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 1194 poolId[fileIdx] = 0; 1195 } 1196 1197 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1198 if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) { 1199 continue; 1200 } 1201 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) { 1202 mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]); 1203 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 1204 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1; 1205 } 1206 } 1207 mSoundPool.release(); 1208 mSoundPool = null; 1209 } 1210 } 1211 1212 class SoundPoolListenerThread extends Thread { 1213 public SoundPoolListenerThread() { 1214 super("SoundPoolListenerThread"); 1215 } 1216 1217 @Override 1218 public void run() { 1219 1220 Looper.prepare(); 1221 mSoundPoolLooper = Looper.myLooper(); 1222 1223 synchronized (mSoundEffectsLock) { 1224 if (mSoundPool != null) { 1225 mSoundPoolCallBack = new SoundPoolCallback(); 1226 mSoundPool.setOnLoadCompleteListener(mSoundPoolCallBack); 1227 } 1228 mSoundEffectsLock.notify(); 1229 } 1230 Looper.loop(); 1231 } 1232 } 1233 1234 private final class SoundPoolCallback implements 1235 android.media.SoundPool.OnLoadCompleteListener { 1236 1237 int mStatus; 1238 int mLastSample; 1239 1240 public int status() { 1241 return mStatus; 1242 } 1243 1244 public void setLastSample(int sample) { 1245 mLastSample = sample; 1246 } 1247 1248 public void onLoadComplete(SoundPool soundPool, int sampleId, int status) { 1249 synchronized (mSoundEffectsLock) { 1250 if (status != 0) { 1251 mStatus = status; 1252 } 1253 if (sampleId == mLastSample) { 1254 mSoundEffectsLock.notify(); 1255 } 1256 } 1257 } 1258 } 1259 1260 /** @see AudioManager#reloadAudioSettings() */ 1261 public void reloadAudioSettings() { 1262 // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings 1263 readPersistedSettings(); 1264 1265 // restore volume settings 1266 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1267 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 1268 VolumeStreamState streamState = mStreamStates[streamType]; 1269 1270 streamState.readSettings(); 1271 1272 // unmute stream that was muted but is not affect by mute anymore 1273 if (streamState.muteCount() != 0 && !isStreamAffectedByMute(streamType)) { 1274 int size = streamState.mDeathHandlers.size(); 1275 for (int i = 0; i < size; i++) { 1276 streamState.mDeathHandlers.get(i).mMuteCount = 1; 1277 streamState.mDeathHandlers.get(i).mute(false); 1278 } 1279 } 1280 // apply stream volume 1281 if (streamState.muteCount() == 0) { 1282 streamState.applyAllVolumes(); 1283 } 1284 } 1285 1286 // apply new ringer mode 1287 setRingerModeInt(getRingerMode(), false); 1288 } 1289 1290 /** @see AudioManager#setSpeakerphoneOn() */ 1291 public void setSpeakerphoneOn(boolean on){ 1292 if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { 1293 return; 1294 } 1295 mForcedUseForComm = on ? AudioSystem.FORCE_SPEAKER : AudioSystem.FORCE_NONE; 1296 1297 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1298 AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); 1299 } 1300 1301 /** @see AudioManager#isSpeakerphoneOn() */ 1302 public boolean isSpeakerphoneOn() { 1303 return (mForcedUseForComm == AudioSystem.FORCE_SPEAKER); 1304 } 1305 1306 /** @see AudioManager#setBluetoothScoOn() */ 1307 public void setBluetoothScoOn(boolean on){ 1308 if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { 1309 return; 1310 } 1311 mForcedUseForComm = on ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE; 1312 1313 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1314 AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); 1315 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1316 AudioSystem.FOR_RECORD, mForcedUseForComm, null, 0); 1317 } 1318 1319 /** @see AudioManager#isBluetoothScoOn() */ 1320 public boolean isBluetoothScoOn() { 1321 return (mForcedUseForComm == AudioSystem.FORCE_BT_SCO); 1322 } 1323 1324 /** @see AudioManager#startBluetoothSco() */ 1325 public void startBluetoothSco(IBinder cb){ 1326 if (!checkAudioSettingsPermission("startBluetoothSco()") || 1327 !mBootCompleted) { 1328 return; 1329 } 1330 ScoClient client = getScoClient(cb, true); 1331 client.incCount(); 1332 } 1333 1334 /** @see AudioManager#stopBluetoothSco() */ 1335 public void stopBluetoothSco(IBinder cb){ 1336 if (!checkAudioSettingsPermission("stopBluetoothSco()") || 1337 !mBootCompleted) { 1338 return; 1339 } 1340 ScoClient client = getScoClient(cb, false); 1341 if (client != null) { 1342 client.decCount(); 1343 } 1344 } 1345 1346 private class ScoClient implements IBinder.DeathRecipient { 1347 private IBinder mCb; // To be notified of client's death 1348 private int mCreatorPid; 1349 private int mStartcount; // number of SCO connections started by this client 1350 1351 ScoClient(IBinder cb) { 1352 mCb = cb; 1353 mCreatorPid = Binder.getCallingPid(); 1354 mStartcount = 0; 1355 } 1356 1357 public void binderDied() { 1358 synchronized(mScoClients) { 1359 Log.w(TAG, "SCO client died"); 1360 int index = mScoClients.indexOf(this); 1361 if (index < 0) { 1362 Log.w(TAG, "unregistered SCO client died"); 1363 } else { 1364 clearCount(true); 1365 mScoClients.remove(this); 1366 } 1367 } 1368 } 1369 1370 public void incCount() { 1371 synchronized(mScoClients) { 1372 requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED); 1373 if (mStartcount == 0) { 1374 try { 1375 mCb.linkToDeath(this, 0); 1376 } catch (RemoteException e) { 1377 // client has already died! 1378 Log.w(TAG, "ScoClient incCount() could not link to "+mCb+" binder death"); 1379 } 1380 } 1381 mStartcount++; 1382 } 1383 } 1384 1385 public void decCount() { 1386 synchronized(mScoClients) { 1387 if (mStartcount == 0) { 1388 Log.w(TAG, "ScoClient.decCount() already 0"); 1389 } else { 1390 mStartcount--; 1391 if (mStartcount == 0) { 1392 try { 1393 mCb.unlinkToDeath(this, 0); 1394 } catch (NoSuchElementException e) { 1395 Log.w(TAG, "decCount() going to 0 but not registered to binder"); 1396 } 1397 } 1398 requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); 1399 } 1400 } 1401 } 1402 1403 public void clearCount(boolean stopSco) { 1404 synchronized(mScoClients) { 1405 if (mStartcount != 0) { 1406 try { 1407 mCb.unlinkToDeath(this, 0); 1408 } catch (NoSuchElementException e) { 1409 Log.w(TAG, "clearCount() mStartcount: "+mStartcount+" != 0 but not registered to binder"); 1410 } 1411 } 1412 mStartcount = 0; 1413 if (stopSco) { 1414 requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); 1415 } 1416 } 1417 } 1418 1419 public int getCount() { 1420 return mStartcount; 1421 } 1422 1423 public IBinder getBinder() { 1424 return mCb; 1425 } 1426 1427 public int getPid() { 1428 return mCreatorPid; 1429 } 1430 1431 public int totalCount() { 1432 synchronized(mScoClients) { 1433 int count = 0; 1434 int size = mScoClients.size(); 1435 for (int i = 0; i < size; i++) { 1436 count += mScoClients.get(i).getCount(); 1437 } 1438 return count; 1439 } 1440 } 1441 1442 private void requestScoState(int state) { 1443 checkScoAudioState(); 1444 if (totalCount() == 0) { 1445 if (state == BluetoothHeadset.STATE_AUDIO_CONNECTED) { 1446 // Make sure that the state transitions to CONNECTING even if we cannot initiate 1447 // the connection. 1448 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTING); 1449 // Accept SCO audio activation only in NORMAL audio mode or if the mode is 1450 // currently controlled by the same client process. 1451 synchronized(mSetModeDeathHandlers) { 1452 if ((mSetModeDeathHandlers.isEmpty() || 1453 mSetModeDeathHandlers.get(0).getPid() == mCreatorPid) && 1454 (mScoAudioState == SCO_STATE_INACTIVE || 1455 mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { 1456 if (mScoAudioState == SCO_STATE_INACTIVE) { 1457 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { 1458 if (mBluetoothHeadset.startScoUsingVirtualVoiceCall( 1459 mBluetoothHeadsetDevice)) { 1460 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1461 } else { 1462 broadcastScoConnectionState( 1463 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1464 } 1465 } else if (getBluetoothHeadset()) { 1466 mScoAudioState = SCO_STATE_ACTIVATE_REQ; 1467 } 1468 } else { 1469 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1470 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED); 1471 } 1472 } else { 1473 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1474 } 1475 } 1476 } else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED && 1477 (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || 1478 mScoAudioState == SCO_STATE_ACTIVATE_REQ)) { 1479 if (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL) { 1480 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { 1481 if (!mBluetoothHeadset.stopScoUsingVirtualVoiceCall( 1482 mBluetoothHeadsetDevice)) { 1483 mScoAudioState = SCO_STATE_INACTIVE; 1484 broadcastScoConnectionState( 1485 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1486 } 1487 } else if (getBluetoothHeadset()) { 1488 mScoAudioState = SCO_STATE_DEACTIVATE_REQ; 1489 } 1490 } else { 1491 mScoAudioState = SCO_STATE_INACTIVE; 1492 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1493 } 1494 } 1495 } 1496 } 1497 } 1498 1499 private void checkScoAudioState() { 1500 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null && 1501 mScoAudioState == SCO_STATE_INACTIVE && 1502 mBluetoothHeadset.getAudioState(mBluetoothHeadsetDevice) 1503 != BluetoothHeadset.STATE_AUDIO_DISCONNECTED) { 1504 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 1505 } 1506 } 1507 1508 private ScoClient getScoClient(IBinder cb, boolean create) { 1509 synchronized(mScoClients) { 1510 ScoClient client = null; 1511 int size = mScoClients.size(); 1512 for (int i = 0; i < size; i++) { 1513 client = mScoClients.get(i); 1514 if (client.getBinder() == cb) 1515 return client; 1516 } 1517 if (create) { 1518 client = new ScoClient(cb); 1519 mScoClients.add(client); 1520 } 1521 return client; 1522 } 1523 } 1524 1525 public void clearAllScoClients(int exceptPid, boolean stopSco) { 1526 synchronized(mScoClients) { 1527 ScoClient savedClient = null; 1528 int size = mScoClients.size(); 1529 for (int i = 0; i < size; i++) { 1530 ScoClient cl = mScoClients.get(i); 1531 if (cl.getPid() != exceptPid) { 1532 cl.clearCount(stopSco); 1533 } else { 1534 savedClient = cl; 1535 } 1536 } 1537 mScoClients.clear(); 1538 if (savedClient != null) { 1539 mScoClients.add(savedClient); 1540 } 1541 } 1542 } 1543 1544 private boolean getBluetoothHeadset() { 1545 boolean result = false; 1546 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); 1547 if (adapter != null) { 1548 result = adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, 1549 BluetoothProfile.HEADSET); 1550 } 1551 // If we could not get a bluetooth headset proxy, send a failure message 1552 // without delay to reset the SCO audio state and clear SCO clients. 1553 // If we could get a proxy, send a delayed failure message that will reset our state 1554 // in case we don't receive onServiceConnected(). 1555 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1556 SENDMSG_REPLACE, 0, 0, null, result ? BT_HEADSET_CNCT_TIMEOUT_MS : 0); 1557 return result; 1558 } 1559 1560 private void disconnectBluetoothSco(int exceptPid) { 1561 synchronized(mScoClients) { 1562 checkScoAudioState(); 1563 if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL || 1564 mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { 1565 if (mBluetoothHeadsetDevice != null) { 1566 if (mBluetoothHeadset != null) { 1567 if (!mBluetoothHeadset.stopVoiceRecognition( 1568 mBluetoothHeadsetDevice)) { 1569 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1570 SENDMSG_REPLACE, 0, 0, null, 0); 1571 } 1572 } else if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL && 1573 getBluetoothHeadset()) { 1574 mScoAudioState = SCO_STATE_DEACTIVATE_EXT_REQ; 1575 } 1576 } 1577 } else { 1578 clearAllScoClients(exceptPid, true); 1579 } 1580 } 1581 } 1582 1583 private void resetBluetoothSco() { 1584 synchronized(mScoClients) { 1585 clearAllScoClients(0, false); 1586 mScoAudioState = SCO_STATE_INACTIVE; 1587 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1588 } 1589 } 1590 1591 private void broadcastScoConnectionState(int state) { 1592 if (state != mScoConnectionState) { 1593 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED); 1594 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state); 1595 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_PREVIOUS_STATE, 1596 mScoConnectionState); 1597 mContext.sendStickyBroadcast(newIntent); 1598 mScoConnectionState = state; 1599 } 1600 } 1601 1602 private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener = 1603 new BluetoothProfile.ServiceListener() { 1604 public void onServiceConnected(int profile, BluetoothProfile proxy) { 1605 BluetoothDevice btDevice; 1606 List<BluetoothDevice> deviceList; 1607 switch(profile) { 1608 case BluetoothProfile.A2DP: 1609 BluetoothA2dp a2dp = (BluetoothA2dp) proxy; 1610 deviceList = a2dp.getConnectedDevices(); 1611 if (deviceList.size() > 0) { 1612 btDevice = deviceList.get(0); 1613 handleA2dpConnectionStateChange(btDevice, a2dp.getConnectionState(btDevice)); 1614 } 1615 break; 1616 1617 case BluetoothProfile.HEADSET: 1618 synchronized (mScoClients) { 1619 // Discard timeout message 1620 mAudioHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED); 1621 mBluetoothHeadset = (BluetoothHeadset) proxy; 1622 deviceList = mBluetoothHeadset.getConnectedDevices(); 1623 if (deviceList.size() > 0) { 1624 mBluetoothHeadsetDevice = deviceList.get(0); 1625 } else { 1626 mBluetoothHeadsetDevice = null; 1627 } 1628 // Refresh SCO audio state 1629 checkScoAudioState(); 1630 // Continue pending action if any 1631 if (mScoAudioState == SCO_STATE_ACTIVATE_REQ || 1632 mScoAudioState == SCO_STATE_DEACTIVATE_REQ || 1633 mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { 1634 boolean status = false; 1635 if (mBluetoothHeadsetDevice != null) { 1636 switch (mScoAudioState) { 1637 case SCO_STATE_ACTIVATE_REQ: 1638 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1639 status = mBluetoothHeadset.startScoUsingVirtualVoiceCall( 1640 mBluetoothHeadsetDevice); 1641 break; 1642 case SCO_STATE_DEACTIVATE_REQ: 1643 status = mBluetoothHeadset.stopScoUsingVirtualVoiceCall( 1644 mBluetoothHeadsetDevice); 1645 break; 1646 case SCO_STATE_DEACTIVATE_EXT_REQ: 1647 status = mBluetoothHeadset.stopVoiceRecognition( 1648 mBluetoothHeadsetDevice); 1649 } 1650 } 1651 if (!status) { 1652 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1653 SENDMSG_REPLACE, 0, 0, null, 0); 1654 } 1655 } 1656 } 1657 break; 1658 1659 default: 1660 break; 1661 } 1662 } 1663 public void onServiceDisconnected(int profile) { 1664 switch(profile) { 1665 case BluetoothProfile.A2DP: 1666 synchronized (mConnectedDevices) { 1667 if (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)) { 1668 makeA2dpDeviceUnavailableNow( 1669 mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)); 1670 } 1671 } 1672 break; 1673 1674 case BluetoothProfile.HEADSET: 1675 synchronized (mScoClients) { 1676 mBluetoothHeadset = null; 1677 } 1678 break; 1679 1680 default: 1681 break; 1682 } 1683 } 1684 }; 1685 1686 /////////////////////////////////////////////////////////////////////////// 1687 // Internal methods 1688 /////////////////////////////////////////////////////////////////////////// 1689 1690 /** 1691 * Checks if the adjustment should change ringer mode instead of just 1692 * adjusting volume. If so, this will set the proper ringer mode and volume 1693 * indices on the stream states. 1694 */ 1695 private boolean checkForRingerModeChange(int oldIndex, int direction, int streamType) { 1696 boolean adjustVolumeIndex = true; 1697 int ringerMode = getRingerMode(); 1698 int newRingerMode = ringerMode; 1699 int uiIndex = (oldIndex + 5) / 10; 1700 boolean vibeInSilent = System.getInt(mContentResolver, System.VIBRATE_IN_SILENT, 1) == 1; 1701 1702 if (ringerMode == RINGER_MODE_NORMAL) { 1703 if ((direction == AudioManager.ADJUST_LOWER) && (uiIndex <= 1)) { 1704 // enter silent mode if current index is the last audible one and not repeating a 1705 // volume key down 1706 if (vibeInSilent || mPrevVolDirection != AudioManager.ADJUST_LOWER) { 1707 // "silent mode", but which one? 1708 newRingerMode = vibeInSilent ? RINGER_MODE_VIBRATE : RINGER_MODE_SILENT; 1709 } 1710 if (uiIndex == 0 || 1711 (!vibeInSilent && 1712 mPrevVolDirection == AudioManager.ADJUST_LOWER && 1713 mVoiceCapable && streamType == AudioSystem.STREAM_RING)) { 1714 adjustVolumeIndex = false; 1715 } 1716 } 1717 } else if (ringerMode == RINGER_MODE_VIBRATE) { 1718 if ((direction == AudioManager.ADJUST_LOWER)) { 1719 // Set it to silent, if it wasn't a long-press 1720 if (mPrevVolDirection != AudioManager.ADJUST_LOWER) { 1721 newRingerMode = RINGER_MODE_SILENT; 1722 } 1723 } else if (direction == AudioManager.ADJUST_RAISE) { 1724 newRingerMode = RINGER_MODE_NORMAL; 1725 } 1726 adjustVolumeIndex = false; 1727 } else { 1728 if (direction == AudioManager.ADJUST_RAISE) { 1729 // exiting silent mode 1730 // If VIBRATE_IN_SILENT, then go into vibrate mode 1731 newRingerMode = vibeInSilent ? RINGER_MODE_VIBRATE : RINGER_MODE_NORMAL; 1732 } 1733 adjustVolumeIndex = false; 1734 } 1735 1736 setRingerMode(newRingerMode); 1737 1738 mPrevVolDirection = direction; 1739 1740 return adjustVolumeIndex; 1741 } 1742 1743 public boolean isStreamAffectedByRingerMode(int streamType) { 1744 return (mRingerModeAffectedStreams & (1 << streamType)) != 0; 1745 } 1746 1747 private boolean isStreamMutedByRingerMode(int streamType) { 1748 return (mRingerModeMutedStreams & (1 << streamType)) != 0; 1749 } 1750 1751 public boolean isStreamAffectedByMute(int streamType) { 1752 return (mMuteAffectedStreams & (1 << streamType)) != 0; 1753 } 1754 1755 private void ensureValidDirection(int direction) { 1756 if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) { 1757 throw new IllegalArgumentException("Bad direction " + direction); 1758 } 1759 } 1760 1761 private void ensureValidStreamType(int streamType) { 1762 if (streamType < 0 || streamType >= mStreamStates.length) { 1763 throw new IllegalArgumentException("Bad stream type " + streamType); 1764 } 1765 } 1766 1767 private int getActiveStreamType(int suggestedStreamType) { 1768 1769 if (mVoiceCapable) { 1770 boolean isOffhook = false; 1771 try { 1772 ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 1773 if (phone != null) isOffhook = phone.isOffhook(); 1774 } catch (RemoteException e) { 1775 Log.w(TAG, "Couldn't connect to phone service", e); 1776 } 1777 1778 if (isOffhook || getMode() == AudioManager.MODE_IN_COMMUNICATION) { 1779 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) 1780 == AudioSystem.FORCE_BT_SCO) { 1781 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); 1782 return AudioSystem.STREAM_BLUETOOTH_SCO; 1783 } else { 1784 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); 1785 return AudioSystem.STREAM_VOICE_CALL; 1786 } 1787 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 1788 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC..."); 1789 return AudioSystem.STREAM_MUSIC; 1790 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 1791 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING..." 1792 // + " b/c USE_DEFAULT_STREAM_TYPE..."); 1793 return AudioSystem.STREAM_RING; 1794 } else { 1795 // Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); 1796 return suggestedStreamType; 1797 } 1798 } else { 1799 if (getMode() == AudioManager.MODE_IN_COMMUNICATION) { 1800 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) 1801 == AudioSystem.FORCE_BT_SCO) { 1802 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); 1803 return AudioSystem.STREAM_BLUETOOTH_SCO; 1804 } else { 1805 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); 1806 return AudioSystem.STREAM_VOICE_CALL; 1807 } 1808 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_NOTIFICATION, 1809 NOTIFICATION_VOLUME_DELAY_MS) || 1810 AudioSystem.isStreamActive(AudioSystem.STREAM_RING, 1811 NOTIFICATION_VOLUME_DELAY_MS)) { 1812 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION..."); 1813 return AudioSystem.STREAM_NOTIFICATION; 1814 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0) || 1815 (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE)) { 1816 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC " 1817 // + " b/c USE_DEFAULT_STREAM_TYPE..."); 1818 return AudioSystem.STREAM_MUSIC; 1819 } else { 1820 // Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); 1821 return suggestedStreamType; 1822 } 1823 } 1824 } 1825 1826 private void broadcastRingerMode(int ringerMode) { 1827 // Send sticky broadcast 1828 Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION); 1829 broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, ringerMode); 1830 broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT 1831 | Intent.FLAG_RECEIVER_REPLACE_PENDING); 1832 long origCallerIdentityToken = Binder.clearCallingIdentity(); 1833 mContext.sendStickyBroadcast(broadcast); 1834 Binder.restoreCallingIdentity(origCallerIdentityToken); 1835 } 1836 1837 private void broadcastVibrateSetting(int vibrateType) { 1838 // Send broadcast 1839 if (ActivityManagerNative.isSystemReady()) { 1840 Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); 1841 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); 1842 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); 1843 mContext.sendBroadcast(broadcast); 1844 } 1845 } 1846 1847 // Message helper methods 1848 1849 private static void sendMsg(Handler handler, int msg, 1850 int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { 1851 1852 if (existingMsgPolicy == SENDMSG_REPLACE) { 1853 handler.removeMessages(msg); 1854 } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { 1855 return; 1856 } 1857 1858 handler.sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); 1859 } 1860 1861 boolean checkAudioSettingsPermission(String method) { 1862 if (mContext.checkCallingOrSelfPermission("android.permission.MODIFY_AUDIO_SETTINGS") 1863 == PackageManager.PERMISSION_GRANTED) { 1864 return true; 1865 } 1866 String msg = "Audio Settings Permission Denial: " + method + " from pid=" 1867 + Binder.getCallingPid() 1868 + ", uid=" + Binder.getCallingUid(); 1869 Log.w(TAG, msg); 1870 return false; 1871 } 1872 1873 private int getDeviceForStream(int stream) { 1874 int device = AudioSystem.getDevicesForStream(stream); 1875 if ((device & (device - 1)) != 0) { 1876 // Multiple device selection is either: 1877 // - speaker + one other device: give priority to speaker in this case. 1878 // - one A2DP device + another device: happens with duplicated output. In this case 1879 // retain the device on the A2DP output as the other must not correspond to an active 1880 // selection if not the speaker. 1881 if ((device & AudioSystem.DEVICE_OUT_SPEAKER) != 0) { 1882 device = AudioSystem.DEVICE_OUT_SPEAKER; 1883 } else { 1884 device &= AudioSystem.DEVICE_OUT_ALL_A2DP; 1885 } 1886 } 1887 return device; 1888 } 1889 1890 /////////////////////////////////////////////////////////////////////////// 1891 // Inner classes 1892 /////////////////////////////////////////////////////////////////////////// 1893 1894 public class VolumeStreamState { 1895 private final int mStreamType; 1896 1897 private String mVolumeIndexSettingName; 1898 private String mLastAudibleVolumeIndexSettingName; 1899 private int mIndexMax; 1900 private final HashMap <Integer, Integer> mIndex = new HashMap <Integer, Integer>(); 1901 private final HashMap <Integer, Integer> mLastAudibleIndex = 1902 new HashMap <Integer, Integer>(); 1903 private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo clients death 1904 1905 private VolumeStreamState(String settingName, int streamType) { 1906 1907 mVolumeIndexSettingName = settingName; 1908 mLastAudibleVolumeIndexSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 1909 1910 mStreamType = streamType; 1911 mIndexMax = MAX_STREAM_VOLUME[streamType]; 1912 AudioSystem.initStreamVolume(streamType, 0, mIndexMax); 1913 mIndexMax *= 10; 1914 1915 readSettings(); 1916 1917 applyAllVolumes(); 1918 1919 mDeathHandlers = new ArrayList<VolumeDeathHandler>(); 1920 } 1921 1922 public String getSettingNameForDevice(boolean lastAudible, int device) { 1923 String name = lastAudible ? 1924 mLastAudibleVolumeIndexSettingName : 1925 mVolumeIndexSettingName; 1926 String suffix = AudioSystem.getDeviceName(device); 1927 if (suffix.isEmpty()) { 1928 return name; 1929 } 1930 return name + "_" + suffix; 1931 } 1932 1933 public void readSettings() { 1934 int index = Settings.System.getInt(mContentResolver, 1935 mVolumeIndexSettingName, 1936 AudioManager.DEFAULT_STREAM_VOLUME[mStreamType]); 1937 1938 mIndex.clear(); 1939 mIndex.put(AudioSystem.DEVICE_OUT_DEFAULT, index); 1940 1941 index = Settings.System.getInt(mContentResolver, 1942 mLastAudibleVolumeIndexSettingName, 1943 (index > 0) ? index : AudioManager.DEFAULT_STREAM_VOLUME[mStreamType]); 1944 mLastAudibleIndex.clear(); 1945 mLastAudibleIndex.put(AudioSystem.DEVICE_OUT_DEFAULT, index); 1946 1947 int remainingDevices = AudioSystem.DEVICE_OUT_ALL; 1948 for (int i = 0; remainingDevices != 0; i++) { 1949 int device = (1 << i); 1950 if ((device & remainingDevices) == 0) { 1951 continue; 1952 } 1953 remainingDevices &= ~device; 1954 1955 // retrieve current volume for device 1956 String name = getSettingNameForDevice(false, device); 1957 index = Settings.System.getInt(mContentResolver, name, -1); 1958 if (index == -1) { 1959 continue; 1960 } 1961 mIndex.put(device, getValidIndex(10 * index)); 1962 1963 // retrieve last audible volume for device 1964 name = getSettingNameForDevice(true, device); 1965 index = Settings.System.getInt(mContentResolver, name, -1); 1966 mLastAudibleIndex.put(device, getValidIndex(10 * index)); 1967 } 1968 } 1969 1970 public void applyDeviceVolume(int device) { 1971 AudioSystem.setStreamVolumeIndex(mStreamType, 1972 (getIndex(device, false /* lastAudible */) + 5)/10, 1973 device); 1974 } 1975 1976 public void applyAllVolumes() { 1977 // apply default volume first: by convention this will reset all 1978 // devices volumes in audio policy manager to the supplied value 1979 AudioSystem.setStreamVolumeIndex(mStreamType, 1980 (getIndex(AudioSystem.DEVICE_OUT_DEFAULT, false /* lastAudible */) + 5)/10, 1981 AudioSystem.DEVICE_OUT_DEFAULT); 1982 // then apply device specific volumes 1983 Set set = mIndex.entrySet(); 1984 Iterator i = set.iterator(); 1985 while (i.hasNext()) { 1986 Map.Entry entry = (Map.Entry)i.next(); 1987 int device = ((Integer)entry.getKey()).intValue(); 1988 if (device != AudioSystem.DEVICE_OUT_DEFAULT) { 1989 AudioSystem.setStreamVolumeIndex(mStreamType, 1990 ((Integer)entry.getValue() + 5)/10, 1991 device); 1992 } 1993 } 1994 } 1995 1996 public boolean adjustIndex(int deltaIndex, int device) { 1997 return setIndex(getIndex(device, 1998 false /* lastAudible */) + deltaIndex * 10, 1999 device, 2000 true /* lastAudible */); 2001 } 2002 2003 public boolean setIndex(int index, int device, boolean lastAudible) { 2004 int oldIndex = getIndex(device, false /* lastAudible */); 2005 index = getValidIndex(index); 2006 mIndex.put(device, getValidIndex(index)); 2007 2008 if (oldIndex != index) { 2009 if (lastAudible) { 2010 mLastAudibleIndex.put(device, index); 2011 } 2012 // Apply change to all streams using this one as alias 2013 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2014 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2015 if (streamType != mStreamType && STREAM_VOLUME_ALIAS[streamType] == mStreamType) { 2016 mStreamStates[streamType].setIndex(rescaleIndex(index, 2017 mStreamType, 2018 streamType), 2019 device, 2020 lastAudible); 2021 } 2022 } 2023 return true; 2024 } else { 2025 return false; 2026 } 2027 } 2028 2029 public int getIndex(int device, boolean lastAudible) { 2030 HashMap <Integer, Integer> indexes; 2031 if (lastAudible) { 2032 indexes = mLastAudibleIndex; 2033 } else { 2034 indexes = mIndex; 2035 } 2036 Integer index = indexes.get(device); 2037 if (index == null) { 2038 // there is always an entry for AudioSystem.DEVICE_OUT_DEFAULT 2039 index = indexes.get(AudioSystem.DEVICE_OUT_DEFAULT); 2040 } 2041 return index.intValue(); 2042 } 2043 2044 public void setLastAudibleIndex(int index, int device) { 2045 mLastAudibleIndex.put(device, getValidIndex(index)); 2046 } 2047 2048 public void adjustLastAudibleIndex(int deltaIndex, int device) { 2049 setLastAudibleIndex(getIndex(device, 2050 true /* lastAudible */) + deltaIndex * 10, 2051 device); 2052 } 2053 2054 public int getMaxIndex() { 2055 return mIndexMax; 2056 } 2057 2058 public void mute(IBinder cb, boolean state) { 2059 VolumeDeathHandler handler = getDeathHandler(cb, state); 2060 if (handler == null) { 2061 Log.e(TAG, "Could not get client death handler for stream: "+mStreamType); 2062 return; 2063 } 2064 handler.mute(state); 2065 } 2066 2067 private int getValidIndex(int index) { 2068 if (index < 0) { 2069 return 0; 2070 } else if (index > mIndexMax) { 2071 return mIndexMax; 2072 } 2073 2074 return index; 2075 } 2076 2077 private class VolumeDeathHandler implements IBinder.DeathRecipient { 2078 private IBinder mICallback; // To be notified of client's death 2079 private int mMuteCount; // Number of active mutes for this client 2080 2081 VolumeDeathHandler(IBinder cb) { 2082 mICallback = cb; 2083 } 2084 2085 public void mute(boolean state) { 2086 synchronized(mDeathHandlers) { 2087 if (state) { 2088 if (mMuteCount == 0) { 2089 // Register for client death notification 2090 try { 2091 // mICallback can be 0 if muted by AudioService 2092 if (mICallback != null) { 2093 mICallback.linkToDeath(this, 0); 2094 } 2095 mDeathHandlers.add(this); 2096 // If the stream is not yet muted by any client, set level to 0 2097 if (muteCount() == 0) { 2098 Set set = mIndex.entrySet(); 2099 Iterator i = set.iterator(); 2100 while (i.hasNext()) { 2101 Map.Entry entry = (Map.Entry)i.next(); 2102 int device = ((Integer)entry.getKey()).intValue(); 2103 setIndex(0, device, false /* lastAudible */); 2104 } 2105 sendMsg(mAudioHandler, 2106 MSG_SET_ALL_VOLUMES, 2107 SENDMSG_NOOP, 2108 0, 2109 0, 2110 VolumeStreamState.this, 0); 2111 } 2112 } catch (RemoteException e) { 2113 // Client has died! 2114 binderDied(); 2115 mDeathHandlers.notify(); 2116 return; 2117 } 2118 } else { 2119 Log.w(TAG, "stream: "+mStreamType+" was already muted by this client"); 2120 } 2121 mMuteCount++; 2122 } else { 2123 if (mMuteCount == 0) { 2124 Log.e(TAG, "unexpected unmute for stream: "+mStreamType); 2125 } else { 2126 mMuteCount--; 2127 if (mMuteCount == 0) { 2128 // Unregistr from client death notification 2129 mDeathHandlers.remove(this); 2130 // mICallback can be 0 if muted by AudioService 2131 if (mICallback != null) { 2132 mICallback.unlinkToDeath(this, 0); 2133 } 2134 if (muteCount() == 0) { 2135 // If the stream is not muted any more, restore it's volume if 2136 // ringer mode allows it 2137 if (!isStreamAffectedByRingerMode(mStreamType) || 2138 mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 2139 Set set = mIndex.entrySet(); 2140 Iterator i = set.iterator(); 2141 while (i.hasNext()) { 2142 Map.Entry entry = (Map.Entry)i.next(); 2143 int device = ((Integer)entry.getKey()).intValue(); 2144 setIndex(getIndex(device, 2145 true /* lastAudible */), 2146 device, 2147 false /* lastAudible */); 2148 } 2149 sendMsg(mAudioHandler, 2150 MSG_SET_ALL_VOLUMES, 2151 SENDMSG_NOOP, 2152 0, 2153 0, 2154 VolumeStreamState.this, 0); 2155 } 2156 } 2157 } 2158 } 2159 } 2160 mDeathHandlers.notify(); 2161 } 2162 } 2163 2164 public void binderDied() { 2165 Log.w(TAG, "Volume service client died for stream: "+mStreamType); 2166 if (mMuteCount != 0) { 2167 // Reset all active mute requests from this client. 2168 mMuteCount = 1; 2169 mute(false); 2170 } 2171 } 2172 } 2173 2174 private int muteCount() { 2175 int count = 0; 2176 int size = mDeathHandlers.size(); 2177 for (int i = 0; i < size; i++) { 2178 count += mDeathHandlers.get(i).mMuteCount; 2179 } 2180 return count; 2181 } 2182 2183 private VolumeDeathHandler getDeathHandler(IBinder cb, boolean state) { 2184 synchronized(mDeathHandlers) { 2185 VolumeDeathHandler handler; 2186 int size = mDeathHandlers.size(); 2187 for (int i = 0; i < size; i++) { 2188 handler = mDeathHandlers.get(i); 2189 if (cb == handler.mICallback) { 2190 return handler; 2191 } 2192 } 2193 // If this is the first mute request for this client, create a new 2194 // client death handler. Otherwise, it is an out of sequence unmute request. 2195 if (state) { 2196 handler = new VolumeDeathHandler(cb); 2197 } else { 2198 Log.w(TAG, "stream was not muted by this client"); 2199 handler = null; 2200 } 2201 return handler; 2202 } 2203 } 2204 } 2205 2206 /** Thread that handles native AudioSystem control. */ 2207 private class AudioSystemThread extends Thread { 2208 AudioSystemThread() { 2209 super("AudioService"); 2210 } 2211 2212 @Override 2213 public void run() { 2214 // Set this thread up so the handler will work on it 2215 Looper.prepare(); 2216 2217 synchronized(AudioService.this) { 2218 mAudioHandler = new AudioHandler(); 2219 2220 // Notify that the handler has been created 2221 AudioService.this.notify(); 2222 } 2223 2224 // Listen for volume change requests that are set by VolumePanel 2225 Looper.loop(); 2226 } 2227 } 2228 2229 /** Handles internal volume messages in separate volume thread. */ 2230 private class AudioHandler extends Handler { 2231 2232 private void setDeviceVolume(VolumeStreamState streamState, int device) { 2233 2234 // Apply volume 2235 streamState.applyDeviceVolume(device); 2236 2237 // Apply change to all streams using this one as alias 2238 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2239 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2240 if (streamType != streamState.mStreamType && 2241 STREAM_VOLUME_ALIAS[streamType] == streamState.mStreamType) { 2242 mStreamStates[streamType].applyDeviceVolume(device); 2243 } 2244 } 2245 2246 // Post a persist volume msg 2247 sendMsg(mAudioHandler, 2248 MSG_PERSIST_VOLUME, 2249 SENDMSG_REPLACE, 2250 PERSIST_CURRENT|PERSIST_LAST_AUDIBLE, 2251 device, 2252 streamState, 2253 PERSIST_DELAY); 2254 2255 } 2256 2257 private void setAllVolumes(VolumeStreamState streamState) { 2258 2259 // Apply volume 2260 streamState.applyAllVolumes(); 2261 2262 // Apply change to all streams using this one as alias 2263 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2264 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2265 if (streamType != streamState.mStreamType && 2266 STREAM_VOLUME_ALIAS[streamType] == streamState.mStreamType) { 2267 mStreamStates[streamType].applyAllVolumes(); 2268 } 2269 } 2270 } 2271 2272 private void persistVolume(VolumeStreamState streamState, 2273 int persistType, 2274 int device) { 2275 if ((persistType & PERSIST_CURRENT) != 0) { 2276 System.putInt(mContentResolver, 2277 streamState.getSettingNameForDevice(false /* lastAudible */, device), 2278 (streamState.getIndex(device, false /* lastAudible */) + 5)/ 10); 2279 } 2280 if ((persistType & PERSIST_LAST_AUDIBLE) != 0) { 2281 System.putInt(mContentResolver, 2282 streamState.getSettingNameForDevice(true /* lastAudible */, device), 2283 (streamState.getIndex(device, true /* lastAudible */) + 5) / 10); 2284 } 2285 } 2286 2287 private void persistRingerMode(int ringerMode) { 2288 System.putInt(mContentResolver, System.MODE_RINGER, ringerMode); 2289 } 2290 2291 private void persistVibrateSetting() { 2292 System.putInt(mContentResolver, System.VIBRATE_ON, mVibrateSetting); 2293 } 2294 2295 private void playSoundEffect(int effectType, int volume) { 2296 synchronized (mSoundEffectsLock) { 2297 if (mSoundPool == null) { 2298 return; 2299 } 2300 float volFloat; 2301 // use default if volume is not specified by caller 2302 if (volume < 0) { 2303 volFloat = (float)Math.pow(10, SOUND_EFFECT_VOLUME_DB/20); 2304 } else { 2305 volFloat = (float) volume / 1000.0f; 2306 } 2307 2308 if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) { 2309 mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1], volFloat, volFloat, 0, 0, 1.0f); 2310 } else { 2311 MediaPlayer mediaPlayer = new MediaPlayer(); 2312 try { 2313 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effectType][0]]; 2314 mediaPlayer.setDataSource(filePath); 2315 mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM); 2316 mediaPlayer.prepare(); 2317 mediaPlayer.setVolume(volFloat, volFloat); 2318 mediaPlayer.setOnCompletionListener(new OnCompletionListener() { 2319 public void onCompletion(MediaPlayer mp) { 2320 cleanupPlayer(mp); 2321 } 2322 }); 2323 mediaPlayer.setOnErrorListener(new OnErrorListener() { 2324 public boolean onError(MediaPlayer mp, int what, int extra) { 2325 cleanupPlayer(mp); 2326 return true; 2327 } 2328 }); 2329 mediaPlayer.start(); 2330 } catch (IOException ex) { 2331 Log.w(TAG, "MediaPlayer IOException: "+ex); 2332 } catch (IllegalArgumentException ex) { 2333 Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex); 2334 } catch (IllegalStateException ex) { 2335 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 2336 } 2337 } 2338 } 2339 } 2340 2341 private void onHandlePersistMediaButtonReceiver(ComponentName receiver) { 2342 Settings.System.putString(mContentResolver, Settings.System.MEDIA_BUTTON_RECEIVER, 2343 receiver == null ? "" : receiver.flattenToString()); 2344 } 2345 2346 private void cleanupPlayer(MediaPlayer mp) { 2347 if (mp != null) { 2348 try { 2349 mp.stop(); 2350 mp.release(); 2351 } catch (IllegalStateException ex) { 2352 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 2353 } 2354 } 2355 } 2356 2357 private void setForceUse(int usage, int config) { 2358 AudioSystem.setForceUse(usage, config); 2359 } 2360 2361 @Override 2362 public void handleMessage(Message msg) { 2363 2364 switch (msg.what) { 2365 2366 case MSG_SET_DEVICE_VOLUME: 2367 setDeviceVolume((VolumeStreamState) msg.obj, msg.arg1); 2368 break; 2369 2370 case MSG_SET_ALL_VOLUMES: 2371 setAllVolumes((VolumeStreamState) msg.obj); 2372 break; 2373 2374 case MSG_PERSIST_VOLUME: 2375 persistVolume((VolumeStreamState) msg.obj, msg.arg1, msg.arg2); 2376 break; 2377 2378 case MSG_PERSIST_RINGER_MODE: 2379 // note that the value persisted is the current ringer mode, not the 2380 // value of ringer mode as of the time the request was made to persist 2381 persistRingerMode(getRingerMode()); 2382 break; 2383 2384 case MSG_PERSIST_VIBRATE_SETTING: 2385 persistVibrateSetting(); 2386 break; 2387 2388 case MSG_MEDIA_SERVER_DIED: 2389 if (!mMediaServerOk) { 2390 Log.e(TAG, "Media server died."); 2391 // Force creation of new IAudioFlinger interface so that we are notified 2392 // when new media_server process is back to life. 2393 AudioSystem.setErrorCallback(mAudioSystemCallback); 2394 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0, 2395 null, 500); 2396 } 2397 break; 2398 2399 case MSG_MEDIA_SERVER_STARTED: 2400 Log.e(TAG, "Media server started."); 2401 // indicate to audio HAL that we start the reconfiguration phase after a media 2402 // server crash 2403 // Note that MSG_MEDIA_SERVER_STARTED message is only received when the media server 2404 // process restarts after a crash, not the first time it is started. 2405 AudioSystem.setParameters("restarting=true"); 2406 2407 // Restore device connection states 2408 synchronized (mConnectedDevices) { 2409 Set set = mConnectedDevices.entrySet(); 2410 Iterator i = set.iterator(); 2411 while (i.hasNext()) { 2412 Map.Entry device = (Map.Entry)i.next(); 2413 AudioSystem.setDeviceConnectionState( 2414 ((Integer)device.getKey()).intValue(), 2415 AudioSystem.DEVICE_STATE_AVAILABLE, 2416 (String)device.getValue()); 2417 } 2418 } 2419 // Restore call state 2420 AudioSystem.setPhoneState(mMode); 2421 2422 // Restore forced usage for communcations and record 2423 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm); 2424 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm); 2425 2426 // Restore stream volumes 2427 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2428 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2429 VolumeStreamState streamState = mStreamStates[streamType]; 2430 AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10); 2431 2432 streamState.applyAllVolumes(); 2433 } 2434 2435 // Restore ringer mode 2436 setRingerModeInt(getRingerMode(), false); 2437 2438 // indicate the end of reconfiguration phase to audio HAL 2439 AudioSystem.setParameters("restarting=false"); 2440 break; 2441 2442 case MSG_LOAD_SOUND_EFFECTS: 2443 loadSoundEffects(); 2444 break; 2445 2446 case MSG_PLAY_SOUND_EFFECT: 2447 playSoundEffect(msg.arg1, msg.arg2); 2448 break; 2449 2450 case MSG_BTA2DP_DOCK_TIMEOUT: 2451 // msg.obj == address of BTA2DP device 2452 synchronized (mConnectedDevices) { 2453 makeA2dpDeviceUnavailableNow( (String) msg.obj ); 2454 } 2455 break; 2456 2457 case MSG_SET_FORCE_USE: 2458 setForceUse(msg.arg1, msg.arg2); 2459 break; 2460 2461 case MSG_PERSIST_MEDIABUTTONRECEIVER: 2462 onHandlePersistMediaButtonReceiver( (ComponentName) msg.obj ); 2463 break; 2464 2465 case MSG_RCDISPLAY_CLEAR: 2466 onRcDisplayClear(); 2467 break; 2468 2469 case MSG_RCDISPLAY_UPDATE: 2470 // msg.obj is guaranteed to be non null 2471 onRcDisplayUpdate( (RemoteControlStackEntry) msg.obj, msg.arg1); 2472 break; 2473 2474 case MSG_BT_HEADSET_CNCT_FAILED: 2475 resetBluetoothSco(); 2476 break; 2477 } 2478 } 2479 } 2480 2481 private class SettingsObserver extends ContentObserver { 2482 2483 SettingsObserver() { 2484 super(new Handler()); 2485 mContentResolver.registerContentObserver(Settings.System.getUriFor( 2486 Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); 2487 } 2488 2489 @Override 2490 public void onChange(boolean selfChange) { 2491 super.onChange(selfChange); 2492 // FIXME This synchronized is not necessary if mSettingsLock only protects mRingerMode. 2493 // However there appear to be some missing locks around mRingerModeMutedStreams 2494 // and mRingerModeAffectedStreams, so will leave this synchronized for now. 2495 // mRingerModeMutedStreams and mMuteAffectedStreams are safe (only accessed once). 2496 synchronized (mSettingsLock) { 2497 int ringerModeAffectedStreams = Settings.System.getInt(mContentResolver, 2498 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 2499 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 2500 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 2501 if (mVoiceCapable) { 2502 ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); 2503 } else { 2504 ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); 2505 } 2506 if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { 2507 /* 2508 * Ensure all stream types that should be affected by ringer mode 2509 * are in the proper state. 2510 */ 2511 mRingerModeAffectedStreams = ringerModeAffectedStreams; 2512 setRingerModeInt(getRingerMode(), false); 2513 } 2514 } 2515 } 2516 } 2517 2518 // must be called synchronized on mConnectedDevices 2519 private void makeA2dpDeviceAvailable(String address) { 2520 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 2521 AudioSystem.DEVICE_STATE_AVAILABLE, 2522 address); 2523 // Reset A2DP suspend state each time a new sink is connected 2524 AudioSystem.setParameters("A2dpSuspended=false"); 2525 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP), 2526 address); 2527 } 2528 2529 // must be called synchronized on mConnectedDevices 2530 private void makeA2dpDeviceUnavailableNow(String address) { 2531 Intent noisyIntent = new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY); 2532 mContext.sendBroadcast(noisyIntent); 2533 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 2534 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2535 address); 2536 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 2537 } 2538 2539 // must be called synchronized on mConnectedDevices 2540 private void makeA2dpDeviceUnavailableLater(String address) { 2541 // prevent any activity on the A2DP audio output to avoid unwanted 2542 // reconnection of the sink. 2543 AudioSystem.setParameters("A2dpSuspended=true"); 2544 // the device will be made unavailable later, so consider it disconnected right away 2545 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 2546 // send the delayed message to make the device unavailable later 2547 Message msg = mAudioHandler.obtainMessage(MSG_BTA2DP_DOCK_TIMEOUT, address); 2548 mAudioHandler.sendMessageDelayed(msg, BTA2DP_DOCK_TIMEOUT_MILLIS); 2549 2550 } 2551 2552 // must be called synchronized on mConnectedDevices 2553 private void cancelA2dpDeviceTimeout() { 2554 mAudioHandler.removeMessages(MSG_BTA2DP_DOCK_TIMEOUT); 2555 } 2556 2557 // must be called synchronized on mConnectedDevices 2558 private boolean hasScheduledA2dpDockTimeout() { 2559 return mAudioHandler.hasMessages(MSG_BTA2DP_DOCK_TIMEOUT); 2560 } 2561 2562 private void handleA2dpConnectionStateChange(BluetoothDevice btDevice, int state) 2563 { 2564 if (btDevice == null) { 2565 return; 2566 } 2567 String address = btDevice.getAddress(); 2568 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 2569 address = ""; 2570 } 2571 synchronized (mConnectedDevices) { 2572 boolean isConnected = 2573 (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) && 2574 mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP).equals(address)); 2575 2576 if (isConnected && state != BluetoothProfile.STATE_CONNECTED) { 2577 if (btDevice.isBluetoothDock()) { 2578 if (state == BluetoothProfile.STATE_DISCONNECTED) { 2579 // introduction of a delay for transient disconnections of docks when 2580 // power is rapidly turned off/on, this message will be canceled if 2581 // we reconnect the dock under a preset delay 2582 makeA2dpDeviceUnavailableLater(address); 2583 // the next time isConnected is evaluated, it will be false for the dock 2584 } 2585 } else { 2586 makeA2dpDeviceUnavailableNow(address); 2587 } 2588 } else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) { 2589 if (btDevice.isBluetoothDock()) { 2590 // this could be a reconnection after a transient disconnection 2591 cancelA2dpDeviceTimeout(); 2592 mDockAddress = address; 2593 } else { 2594 // this could be a connection of another A2DP device before the timeout of 2595 // a dock: cancel the dock timeout, and make the dock unavailable now 2596 if(hasScheduledA2dpDockTimeout()) { 2597 cancelA2dpDeviceTimeout(); 2598 makeA2dpDeviceUnavailableNow(mDockAddress); 2599 } 2600 } 2601 makeA2dpDeviceAvailable(address); 2602 } 2603 } 2604 } 2605 2606 /* cache of the address of the last dock the device was connected to */ 2607 private String mDockAddress; 2608 2609 /** 2610 * Receiver for misc intent broadcasts the Phone app cares about. 2611 */ 2612 private class AudioServiceBroadcastReceiver extends BroadcastReceiver { 2613 @Override 2614 public void onReceive(Context context, Intent intent) { 2615 String action = intent.getAction(); 2616 2617 if (action.equals(Intent.ACTION_DOCK_EVENT)) { 2618 int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 2619 Intent.EXTRA_DOCK_STATE_UNDOCKED); 2620 int config; 2621 switch (dockState) { 2622 case Intent.EXTRA_DOCK_STATE_DESK: 2623 config = AudioSystem.FORCE_BT_DESK_DOCK; 2624 break; 2625 case Intent.EXTRA_DOCK_STATE_CAR: 2626 config = AudioSystem.FORCE_BT_CAR_DOCK; 2627 break; 2628 case Intent.EXTRA_DOCK_STATE_LE_DESK: 2629 config = AudioSystem.FORCE_ANALOG_DOCK; 2630 break; 2631 case Intent.EXTRA_DOCK_STATE_HE_DESK: 2632 config = AudioSystem.FORCE_DIGITAL_DOCK; 2633 break; 2634 case Intent.EXTRA_DOCK_STATE_UNDOCKED: 2635 default: 2636 config = AudioSystem.FORCE_NONE; 2637 } 2638 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config); 2639 } else if (action.equals(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED)) { 2640 int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, 2641 BluetoothProfile.STATE_DISCONNECTED); 2642 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 2643 2644 handleA2dpConnectionStateChange(btDevice, state); 2645 } else if (action.equals(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED)) { 2646 int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, 2647 BluetoothProfile.STATE_DISCONNECTED); 2648 int device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; 2649 String address = null; 2650 2651 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 2652 if (btDevice == null) { 2653 return; 2654 } 2655 2656 address = btDevice.getAddress(); 2657 BluetoothClass btClass = btDevice.getBluetoothClass(); 2658 if (btClass != null) { 2659 switch (btClass.getDeviceClass()) { 2660 case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: 2661 case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE: 2662 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; 2663 break; 2664 case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO: 2665 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; 2666 break; 2667 } 2668 } 2669 2670 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 2671 address = ""; 2672 } 2673 2674 synchronized (mConnectedDevices) { 2675 boolean isConnected = (mConnectedDevices.containsKey(device) && 2676 mConnectedDevices.get(device).equals(address)); 2677 2678 synchronized (mScoClients) { 2679 if (isConnected && state != BluetoothProfile.STATE_CONNECTED) { 2680 AudioSystem.setDeviceConnectionState(device, 2681 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2682 address); 2683 mConnectedDevices.remove(device); 2684 mBluetoothHeadsetDevice = null; 2685 resetBluetoothSco(); 2686 } else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) { 2687 AudioSystem.setDeviceConnectionState(device, 2688 AudioSystem.DEVICE_STATE_AVAILABLE, 2689 address); 2690 mConnectedDevices.put(new Integer(device), address); 2691 mBluetoothHeadsetDevice = btDevice; 2692 } 2693 } 2694 } 2695 } else if (action.equals(Intent.ACTION_HEADSET_PLUG)) { 2696 int state = intent.getIntExtra("state", 0); 2697 int microphone = intent.getIntExtra("microphone", 0); 2698 2699 synchronized (mConnectedDevices) { 2700 if (microphone != 0) { 2701 boolean isConnected = 2702 mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADSET); 2703 if (state == 0 && isConnected) { 2704 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, 2705 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2706 ""); 2707 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADSET); 2708 } else if (state == 1 && !isConnected) { 2709 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, 2710 AudioSystem.DEVICE_STATE_AVAILABLE, 2711 ""); 2712 mConnectedDevices.put( 2713 new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADSET), ""); 2714 } 2715 } else { 2716 boolean isConnected = 2717 mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); 2718 if (state == 0 && isConnected) { 2719 AudioSystem.setDeviceConnectionState( 2720 AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, 2721 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2722 ""); 2723 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); 2724 } else if (state == 1 && !isConnected) { 2725 AudioSystem.setDeviceConnectionState( 2726 AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, 2727 AudioSystem.DEVICE_STATE_AVAILABLE, 2728 ""); 2729 mConnectedDevices.put( 2730 new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE), ""); 2731 } 2732 } 2733 } 2734 } else if (action.equals(Intent.ACTION_USB_ANLG_HEADSET_PLUG)) { 2735 int state = intent.getIntExtra("state", 0); 2736 Log.v(TAG, "Broadcast Receiver: Got ACTION_USB_ANLG_HEADSET_PLUG, state = "+state); 2737 synchronized (mConnectedDevices) { 2738 boolean isConnected = 2739 mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET); 2740 if (state == 0 && isConnected) { 2741 AudioSystem.setDeviceConnectionState( 2742 AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET, 2743 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2744 ""); 2745 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET); 2746 } else if (state == 1 && !isConnected) { 2747 AudioSystem.setDeviceConnectionState( 2748 AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET, 2749 AudioSystem.DEVICE_STATE_AVAILABLE, 2750 ""); 2751 mConnectedDevices.put( 2752 new Integer(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET), ""); 2753 } 2754 } 2755 } else if (action.equals(Intent.ACTION_HDMI_AUDIO_PLUG)) { 2756 int state = intent.getIntExtra("state", 0); 2757 Log.v(TAG, "Broadcast Receiver: Got ACTION_HDMI_AUDIO_PLUG, state = "+state); 2758 synchronized (mConnectedDevices) { 2759 boolean isConnected = 2760 mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_AUX_DIGITAL); 2761 if (state == 0 && isConnected) { 2762 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_AUX_DIGITAL, 2763 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2764 ""); 2765 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_AUX_DIGITAL); 2766 } else if (state == 1 && !isConnected) { 2767 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_AUX_DIGITAL, 2768 AudioSystem.DEVICE_STATE_AVAILABLE, 2769 ""); 2770 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_AUX_DIGITAL), ""); 2771 } 2772 } 2773 } else if (action.equals(Intent.ACTION_USB_DGTL_HEADSET_PLUG)) { 2774 int state = intent.getIntExtra("state", 0); 2775 Log.v(TAG, "Broadcast Receiver: Got ACTION_USB_DGTL_HEADSET_PLUG, state = "+state); 2776 synchronized (mConnectedDevices) { 2777 boolean isConnected = 2778 mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET); 2779 if (state == 0 && isConnected) { 2780 AudioSystem.setDeviceConnectionState( 2781 AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET, 2782 AudioSystem.DEVICE_STATE_UNAVAILABLE, 2783 ""); 2784 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET); 2785 } else if (state == 1 && !isConnected) { 2786 AudioSystem.setDeviceConnectionState( 2787 AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET, 2788 AudioSystem.DEVICE_STATE_AVAILABLE, 2789 ""); 2790 mConnectedDevices.put( 2791 new Integer(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET), ""); 2792 } 2793 } 2794 } else if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { 2795 boolean broadcast = false; 2796 int state = AudioManager.SCO_AUDIO_STATE_ERROR; 2797 synchronized (mScoClients) { 2798 int btState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1); 2799 // broadcast intent if the connection was initated by AudioService 2800 if (!mScoClients.isEmpty() && 2801 (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || 2802 mScoAudioState == SCO_STATE_ACTIVATE_REQ || 2803 mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { 2804 broadcast = true; 2805 } 2806 switch (btState) { 2807 case BluetoothHeadset.STATE_AUDIO_CONNECTED: 2808 state = AudioManager.SCO_AUDIO_STATE_CONNECTED; 2809 if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && 2810 mScoAudioState != SCO_STATE_DEACTIVATE_REQ && 2811 mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { 2812 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 2813 } 2814 break; 2815 case BluetoothHeadset.STATE_AUDIO_DISCONNECTED: 2816 state = AudioManager.SCO_AUDIO_STATE_DISCONNECTED; 2817 mScoAudioState = SCO_STATE_INACTIVE; 2818 clearAllScoClients(0, false); 2819 break; 2820 case BluetoothHeadset.STATE_AUDIO_CONNECTING: 2821 if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && 2822 mScoAudioState != SCO_STATE_DEACTIVATE_REQ && 2823 mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { 2824 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 2825 } 2826 default: 2827 // do not broadcast CONNECTING or invalid state 2828 broadcast = false; 2829 break; 2830 } 2831 } 2832 if (broadcast) { 2833 broadcastScoConnectionState(state); 2834 //FIXME: this is to maintain compatibility with deprecated intent 2835 // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. 2836 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); 2837 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state); 2838 mContext.sendStickyBroadcast(newIntent); 2839 } 2840 } else if (action.equals(Intent.ACTION_BOOT_COMPLETED)) { 2841 mBootCompleted = true; 2842 sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_NOOP, 2843 0, 0, null, 0); 2844 2845 mKeyguardManager = 2846 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 2847 mScoConnectionState = AudioManager.SCO_AUDIO_STATE_ERROR; 2848 resetBluetoothSco(); 2849 getBluetoothHeadset(); 2850 //FIXME: this is to maintain compatibility with deprecated intent 2851 // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. 2852 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); 2853 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, 2854 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 2855 mContext.sendStickyBroadcast(newIntent); 2856 2857 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); 2858 if (adapter != null) { 2859 adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, 2860 BluetoothProfile.A2DP); 2861 } 2862 } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)) { 2863 if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 2864 // a package is being removed, not replaced 2865 String packageName = intent.getData().getSchemeSpecificPart(); 2866 if (packageName != null) { 2867 removeMediaButtonReceiverForPackage(packageName); 2868 } 2869 } 2870 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 2871 AudioSystem.setParameters("screen_state=on"); 2872 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 2873 AudioSystem.setParameters("screen_state=off"); 2874 } 2875 } 2876 } 2877 2878 //========================================================================================== 2879 // AudioFocus 2880 //========================================================================================== 2881 2882 /* constant to identify focus stack entry that is used to hold the focus while the phone 2883 * is ringing or during a call. Used by com.android.internal.telephony.CallManager when 2884 * entering and exiting calls. 2885 */ 2886 public final static String IN_VOICE_COMM_FOCUS_ID = "AudioFocus_For_Phone_Ring_And_Calls"; 2887 2888 private final static Object mAudioFocusLock = new Object(); 2889 2890 private final static Object mRingingLock = new Object(); 2891 2892 private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 2893 @Override 2894 public void onCallStateChanged(int state, String incomingNumber) { 2895 if (state == TelephonyManager.CALL_STATE_RINGING) { 2896 //Log.v(TAG, " CALL_STATE_RINGING"); 2897 synchronized(mRingingLock) { 2898 mIsRinging = true; 2899 } 2900 } else if ((state == TelephonyManager.CALL_STATE_OFFHOOK) 2901 || (state == TelephonyManager.CALL_STATE_IDLE)) { 2902 synchronized(mRingingLock) { 2903 mIsRinging = false; 2904 } 2905 } 2906 } 2907 }; 2908 2909 private void notifyTopOfAudioFocusStack() { 2910 // notify the top of the stack it gained focus 2911 if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { 2912 if (canReassignAudioFocus()) { 2913 try { 2914 mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( 2915 AudioManager.AUDIOFOCUS_GAIN, mFocusStack.peek().mClientId); 2916 } catch (RemoteException e) { 2917 Log.e(TAG, "Failure to signal gain of audio control focus due to "+ e); 2918 e.printStackTrace(); 2919 } 2920 } 2921 } 2922 } 2923 2924 private static class FocusStackEntry { 2925 public int mStreamType = -1;// no stream type 2926 public IAudioFocusDispatcher mFocusDispatcher = null; 2927 public IBinder mSourceRef = null; 2928 public String mClientId; 2929 public int mFocusChangeType; 2930 public AudioFocusDeathHandler mHandler; 2931 public String mPackageName; 2932 public int mCallingUid; 2933 2934 public FocusStackEntry() { 2935 } 2936 2937 public FocusStackEntry(int streamType, int duration, 2938 IAudioFocusDispatcher afl, IBinder source, String id, AudioFocusDeathHandler hdlr, 2939 String pn, int uid) { 2940 mStreamType = streamType; 2941 mFocusDispatcher = afl; 2942 mSourceRef = source; 2943 mClientId = id; 2944 mFocusChangeType = duration; 2945 mHandler = hdlr; 2946 mPackageName = pn; 2947 mCallingUid = uid; 2948 } 2949 2950 public void unlinkToDeath() { 2951 try { 2952 if (mSourceRef != null && mHandler != null) { 2953 mSourceRef.unlinkToDeath(mHandler, 0); 2954 mHandler = null; 2955 } 2956 } catch (java.util.NoSuchElementException e) { 2957 Log.e(TAG, "Encountered " + e + " in FocusStackEntry.unlinkToDeath()"); 2958 } 2959 } 2960 2961 @Override 2962 protected void finalize() throws Throwable { 2963 unlinkToDeath(); // unlink exception handled inside method 2964 super.finalize(); 2965 } 2966 } 2967 2968 private final Stack<FocusStackEntry> mFocusStack = new Stack<FocusStackEntry>(); 2969 2970 /** 2971 * Helper function: 2972 * Display in the log the current entries in the audio focus stack 2973 */ 2974 private void dumpFocusStack(PrintWriter pw) { 2975 pw.println("\nAudio Focus stack entries:"); 2976 synchronized(mAudioFocusLock) { 2977 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 2978 while(stackIterator.hasNext()) { 2979 FocusStackEntry fse = stackIterator.next(); 2980 pw.println(" source:" + fse.mSourceRef + " -- client: " + fse.mClientId 2981 + " -- duration: " + fse.mFocusChangeType 2982 + " -- uid: " + fse.mCallingUid); 2983 } 2984 } 2985 } 2986 2987 /** 2988 * Helper function: 2989 * Called synchronized on mAudioFocusLock 2990 * Remove a focus listener from the focus stack. 2991 * @param focusListenerToRemove the focus listener 2992 * @param signal if true and the listener was at the top of the focus stack, i.e. it was holding 2993 * focus, notify the next item in the stack it gained focus. 2994 */ 2995 private void removeFocusStackEntry(String clientToRemove, boolean signal) { 2996 // is the current top of the focus stack abandoning focus? (because of request, not death) 2997 if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientToRemove)) 2998 { 2999 //Log.i(TAG, " removeFocusStackEntry() removing top of stack"); 3000 FocusStackEntry fse = mFocusStack.pop(); 3001 fse.unlinkToDeath(); 3002 if (signal) { 3003 // notify the new top of the stack it gained focus 3004 notifyTopOfAudioFocusStack(); 3005 // there's a new top of the stack, let the remote control know 3006 synchronized(mRCStack) { 3007 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3008 } 3009 } 3010 } else { 3011 // focus is abandoned by a client that's not at the top of the stack, 3012 // no need to update focus. 3013 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3014 while(stackIterator.hasNext()) { 3015 FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); 3016 if(fse.mClientId.equals(clientToRemove)) { 3017 Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " 3018 + fse.mClientId); 3019 stackIterator.remove(); 3020 fse.unlinkToDeath(); 3021 } 3022 } 3023 } 3024 } 3025 3026 /** 3027 * Helper function: 3028 * Called synchronized on mAudioFocusLock 3029 * Remove focus listeners from the focus stack for a particular client when it has died. 3030 */ 3031 private void removeFocusStackEntryForClient(IBinder cb) { 3032 // is the owner of the audio focus part of the client to remove? 3033 boolean isTopOfStackForClientToRemove = !mFocusStack.isEmpty() && 3034 mFocusStack.peek().mSourceRef.equals(cb); 3035 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3036 while(stackIterator.hasNext()) { 3037 FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); 3038 if(fse.mSourceRef.equals(cb)) { 3039 Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " 3040 + fse.mClientId); 3041 stackIterator.remove(); 3042 // the client just died, no need to unlink to its death 3043 } 3044 } 3045 if (isTopOfStackForClientToRemove) { 3046 // we removed an entry at the top of the stack: 3047 // notify the new top of the stack it gained focus. 3048 notifyTopOfAudioFocusStack(); 3049 // there's a new top of the stack, let the remote control know 3050 synchronized(mRCStack) { 3051 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3052 } 3053 } 3054 } 3055 3056 /** 3057 * Helper function: 3058 * Returns true if the system is in a state where the focus can be reevaluated, false otherwise. 3059 */ 3060 private boolean canReassignAudioFocus() { 3061 // focus requests are rejected during a phone call or when the phone is ringing 3062 // this is equivalent to IN_VOICE_COMM_FOCUS_ID having the focus 3063 if (!mFocusStack.isEmpty() && IN_VOICE_COMM_FOCUS_ID.equals(mFocusStack.peek().mClientId)) { 3064 return false; 3065 } 3066 return true; 3067 } 3068 3069 /** 3070 * Inner class to monitor audio focus client deaths, and remove them from the audio focus 3071 * stack if necessary. 3072 */ 3073 private class AudioFocusDeathHandler implements IBinder.DeathRecipient { 3074 private IBinder mCb; // To be notified of client's death 3075 3076 AudioFocusDeathHandler(IBinder cb) { 3077 mCb = cb; 3078 } 3079 3080 public void binderDied() { 3081 synchronized(mAudioFocusLock) { 3082 Log.w(TAG, " AudioFocus audio focus client died"); 3083 removeFocusStackEntryForClient(mCb); 3084 } 3085 } 3086 3087 public IBinder getBinder() { 3088 return mCb; 3089 } 3090 } 3091 3092 3093 /** @see AudioManager#requestAudioFocus(IAudioFocusDispatcher, int, int) */ 3094 public int requestAudioFocus(int mainStreamType, int focusChangeHint, IBinder cb, 3095 IAudioFocusDispatcher fd, String clientId, String callingPackageName) { 3096 Log.i(TAG, " AudioFocus requestAudioFocus() from " + clientId); 3097 // the main stream type for the audio focus request is currently not used. It may 3098 // potentially be used to handle multiple stream type-dependent audio focuses. 3099 3100 // we need a valid binder callback for clients 3101 if (!cb.pingBinder()) { 3102 Log.e(TAG, " AudioFocus DOA client for requestAudioFocus(), aborting."); 3103 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3104 } 3105 3106 synchronized(mAudioFocusLock) { 3107 if (!canReassignAudioFocus()) { 3108 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3109 } 3110 3111 // handle the potential premature death of the new holder of the focus 3112 // (premature death == death before abandoning focus) 3113 // Register for client death notification 3114 AudioFocusDeathHandler afdh = new AudioFocusDeathHandler(cb); 3115 try { 3116 cb.linkToDeath(afdh, 0); 3117 } catch (RemoteException e) { 3118 // client has already died! 3119 Log.w(TAG, "AudioFocus requestAudioFocus() could not link to "+cb+" binder death"); 3120 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3121 } 3122 3123 if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientId)) { 3124 // if focus is already owned by this client and the reason for acquiring the focus 3125 // hasn't changed, don't do anything 3126 if (mFocusStack.peek().mFocusChangeType == focusChangeHint) { 3127 // unlink death handler so it can be gc'ed. 3128 // linkToDeath() creates a JNI global reference preventing collection. 3129 cb.unlinkToDeath(afdh, 0); 3130 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3131 } 3132 // the reason for the audio focus request has changed: remove the current top of 3133 // stack and respond as if we had a new focus owner 3134 FocusStackEntry fse = mFocusStack.pop(); 3135 fse.unlinkToDeath(); 3136 } 3137 3138 // notify current top of stack it is losing focus 3139 if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { 3140 try { 3141 mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( 3142 -1 * focusChangeHint, // loss and gain codes are inverse of each other 3143 mFocusStack.peek().mClientId); 3144 } catch (RemoteException e) { 3145 Log.e(TAG, " Failure to signal loss of focus due to "+ e); 3146 e.printStackTrace(); 3147 } 3148 } 3149 3150 // focus requester might already be somewhere below in the stack, remove it 3151 removeFocusStackEntry(clientId, false /* signal */); 3152 3153 // push focus requester at the top of the audio focus stack 3154 mFocusStack.push(new FocusStackEntry(mainStreamType, focusChangeHint, fd, cb, 3155 clientId, afdh, callingPackageName, Binder.getCallingUid())); 3156 3157 // there's a new top of the stack, let the remote control know 3158 synchronized(mRCStack) { 3159 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3160 } 3161 }//synchronized(mAudioFocusLock) 3162 3163 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3164 } 3165 3166 /** @see AudioManager#abandonAudioFocus(IAudioFocusDispatcher) */ 3167 public int abandonAudioFocus(IAudioFocusDispatcher fl, String clientId) { 3168 Log.i(TAG, " AudioFocus abandonAudioFocus() from " + clientId); 3169 try { 3170 // this will take care of notifying the new focus owner if needed 3171 synchronized(mAudioFocusLock) { 3172 removeFocusStackEntry(clientId, true); 3173 } 3174 } catch (java.util.ConcurrentModificationException cme) { 3175 // Catching this exception here is temporary. It is here just to prevent 3176 // a crash seen when the "Silent" notification is played. This is believed to be fixed 3177 // but this try catch block is left just to be safe. 3178 Log.e(TAG, "FATAL EXCEPTION AudioFocus abandonAudioFocus() caused " + cme); 3179 cme.printStackTrace(); 3180 } 3181 3182 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3183 } 3184 3185 3186 public void unregisterAudioFocusClient(String clientId) { 3187 synchronized(mAudioFocusLock) { 3188 removeFocusStackEntry(clientId, false); 3189 } 3190 } 3191 3192 3193 //========================================================================================== 3194 // RemoteControl 3195 //========================================================================================== 3196 /** 3197 * Receiver for media button intents. Handles the dispatching of the media button event 3198 * to one of the registered listeners, or if there was none, resumes the intent broadcast 3199 * to the rest of the system. 3200 */ 3201 private class MediaButtonBroadcastReceiver extends BroadcastReceiver { 3202 @Override 3203 public void onReceive(Context context, Intent intent) { 3204 String action = intent.getAction(); 3205 if (!Intent.ACTION_MEDIA_BUTTON.equals(action)) { 3206 return; 3207 } 3208 KeyEvent event = (KeyEvent) intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT); 3209 if (event != null) { 3210 // if in a call or ringing, do not break the current phone app behavior 3211 // TODO modify this to let the phone app specifically get the RC focus 3212 // add modify the phone app to take advantage of the new API 3213 synchronized(mRingingLock) { 3214 if (mIsRinging || (getMode() == AudioSystem.MODE_IN_CALL) || 3215 (getMode() == AudioSystem.MODE_IN_COMMUNICATION) || 3216 (getMode() == AudioSystem.MODE_RINGTONE) ) { 3217 return; 3218 } 3219 } 3220 synchronized(mRCStack) { 3221 if (!mRCStack.empty()) { 3222 // create a new intent to fill in the extras of the registered PendingIntent 3223 Intent targetedIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); 3224 Bundle extras = intent.getExtras(); 3225 if (extras != null) { 3226 targetedIntent.putExtras(extras); 3227 // trap the current broadcast 3228 abortBroadcast(); 3229 //Log.v(TAG, " Sending intent" + targetedIntent); 3230 // send the intent that was registered by the client 3231 try { 3232 mRCStack.peek().mMediaIntent.send(context, 0, targetedIntent); 3233 } catch (CanceledException e) { 3234 Log.e(TAG, "Error sending pending intent " + mRCStack.peek()); 3235 e.printStackTrace(); 3236 } 3237 } 3238 } 3239 } 3240 } 3241 } 3242 } 3243 3244 private final Object mCurrentRcLock = new Object(); 3245 /** 3246 * The one remote control client which will receive a request for display information. 3247 * This object may be null. 3248 * Access protected by mCurrentRcLock. 3249 */ 3250 private IRemoteControlClient mCurrentRcClient = null; 3251 3252 private final static int RC_INFO_NONE = 0; 3253 private final static int RC_INFO_ALL = 3254 RemoteControlClient.FLAG_INFORMATION_REQUEST_ALBUM_ART | 3255 RemoteControlClient.FLAG_INFORMATION_REQUEST_KEY_MEDIA | 3256 RemoteControlClient.FLAG_INFORMATION_REQUEST_METADATA | 3257 RemoteControlClient.FLAG_INFORMATION_REQUEST_PLAYSTATE; 3258 3259 /** 3260 * A monotonically increasing generation counter for mCurrentRcClient. 3261 * Only accessed with a lock on mCurrentRcLock. 3262 * No value wrap-around issues as we only act on equal values. 3263 */ 3264 private int mCurrentRcClientGen = 0; 3265 3266 /** 3267 * Inner class to monitor remote control client deaths, and remove the client for the 3268 * remote control stack if necessary. 3269 */ 3270 private class RcClientDeathHandler implements IBinder.DeathRecipient { 3271 private IBinder mCb; // To be notified of client's death 3272 private PendingIntent mMediaIntent; 3273 3274 RcClientDeathHandler(IBinder cb, PendingIntent pi) { 3275 mCb = cb; 3276 mMediaIntent = pi; 3277 } 3278 3279 public void binderDied() { 3280 Log.w(TAG, " RemoteControlClient died"); 3281 // remote control client died, make sure the displays don't use it anymore 3282 // by setting its remote control client to null 3283 registerRemoteControlClient(mMediaIntent, null/*rcClient*/, null/*ignored*/); 3284 } 3285 3286 public IBinder getBinder() { 3287 return mCb; 3288 } 3289 } 3290 3291 private static class RemoteControlStackEntry { 3292 /** 3293 * The target for the ACTION_MEDIA_BUTTON events. 3294 * Always non null. 3295 */ 3296 public PendingIntent mMediaIntent; 3297 /** 3298 * The registered media button event receiver. 3299 * Always non null. 3300 */ 3301 public ComponentName mReceiverComponent; 3302 public String mCallingPackageName; 3303 public int mCallingUid; 3304 /** 3305 * Provides access to the information to display on the remote control. 3306 * May be null (when a media button event receiver is registered, 3307 * but no remote control client has been registered) */ 3308 public IRemoteControlClient mRcClient; 3309 public RcClientDeathHandler mRcClientDeathHandler; 3310 3311 /** precondition: mediaIntent != null, eventReceiver != null */ 3312 public RemoteControlStackEntry(PendingIntent mediaIntent, ComponentName eventReceiver) { 3313 mMediaIntent = mediaIntent; 3314 mReceiverComponent = eventReceiver; 3315 mCallingUid = -1; 3316 mRcClient = null; 3317 } 3318 3319 public void unlinkToRcClientDeath() { 3320 if ((mRcClientDeathHandler != null) && (mRcClientDeathHandler.mCb != null)) { 3321 try { 3322 mRcClientDeathHandler.mCb.unlinkToDeath(mRcClientDeathHandler, 0); 3323 mRcClientDeathHandler = null; 3324 } catch (java.util.NoSuchElementException e) { 3325 // not much we can do here 3326 Log.e(TAG, "Encountered " + e + " in unlinkToRcClientDeath()"); 3327 e.printStackTrace(); 3328 } 3329 } 3330 } 3331 3332 @Override 3333 protected void finalize() throws Throwable { 3334 unlinkToRcClientDeath();// unlink exception handled inside method 3335 super.finalize(); 3336 } 3337 } 3338 3339 /** 3340 * The stack of remote control event receivers. 3341 * Code sections and methods that modify the remote control event receiver stack are 3342 * synchronized on mRCStack, but also BEFORE on mFocusLock as any change in either 3343 * stack, audio focus or RC, can lead to a change in the remote control display 3344 */ 3345 private final Stack<RemoteControlStackEntry> mRCStack = new Stack<RemoteControlStackEntry>(); 3346 3347 /** 3348 * Helper function: 3349 * Display in the log the current entries in the remote control focus stack 3350 */ 3351 private void dumpRCStack(PrintWriter pw) { 3352 pw.println("\nRemote Control stack entries:"); 3353 synchronized(mRCStack) { 3354 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3355 while(stackIterator.hasNext()) { 3356 RemoteControlStackEntry rcse = stackIterator.next(); 3357 pw.println(" pi: " + rcse.mMediaIntent + 3358 " -- ercvr: " + rcse.mReceiverComponent + 3359 " -- client: " + rcse.mRcClient + 3360 " -- uid: " + rcse.mCallingUid); 3361 } 3362 } 3363 } 3364 3365 /** 3366 * Helper function: 3367 * Remove any entry in the remote control stack that has the same package name as packageName 3368 * Pre-condition: packageName != null 3369 */ 3370 private void removeMediaButtonReceiverForPackage(String packageName) { 3371 synchronized(mRCStack) { 3372 if (mRCStack.empty()) { 3373 return; 3374 } else { 3375 RemoteControlStackEntry oldTop = mRCStack.peek(); 3376 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3377 // iterate over the stack entries 3378 while(stackIterator.hasNext()) { 3379 RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); 3380 if (packageName.equalsIgnoreCase(rcse.mReceiverComponent.getPackageName())) { 3381 // a stack entry is from the package being removed, remove it from the stack 3382 stackIterator.remove(); 3383 rcse.unlinkToRcClientDeath(); 3384 } 3385 } 3386 if (mRCStack.empty()) { 3387 // no saved media button receiver 3388 mAudioHandler.sendMessage( 3389 mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, 3390 null)); 3391 } else if (oldTop != mRCStack.peek()) { 3392 // the top of the stack has changed, save it in the system settings 3393 // by posting a message to persist it 3394 mAudioHandler.sendMessage( 3395 mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, 3396 mRCStack.peek().mReceiverComponent)); 3397 } 3398 } 3399 } 3400 } 3401 3402 /** 3403 * Helper function: 3404 * Restore remote control receiver from the system settings. 3405 */ 3406 private void restoreMediaButtonReceiver() { 3407 String receiverName = Settings.System.getString(mContentResolver, 3408 Settings.System.MEDIA_BUTTON_RECEIVER); 3409 if ((null != receiverName) && !receiverName.isEmpty()) { 3410 ComponentName eventReceiver = ComponentName.unflattenFromString(receiverName); 3411 // construct a PendingIntent targeted to the restored component name 3412 // for the media button and register it 3413 Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); 3414 // the associated intent will be handled by the component being registered 3415 mediaButtonIntent.setComponent(eventReceiver); 3416 PendingIntent pi = PendingIntent.getBroadcast(mContext, 3417 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); 3418 registerMediaButtonIntent(pi, eventReceiver); 3419 } 3420 } 3421 3422 /** 3423 * Helper function: 3424 * Set the new remote control receiver at the top of the RC focus stack. 3425 * precondition: mediaIntent != null, target != null 3426 */ 3427 private void pushMediaButtonReceiver(PendingIntent mediaIntent, ComponentName target) { 3428 // already at top of stack? 3429 if (!mRCStack.empty() && mRCStack.peek().mMediaIntent.equals(mediaIntent)) { 3430 return; 3431 } 3432 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3433 RemoteControlStackEntry rcse = null; 3434 boolean wasInsideStack = false; 3435 while(stackIterator.hasNext()) { 3436 rcse = (RemoteControlStackEntry)stackIterator.next(); 3437 if(rcse.mMediaIntent.equals(mediaIntent)) { 3438 wasInsideStack = true; 3439 stackIterator.remove(); 3440 break; 3441 } 3442 } 3443 if (!wasInsideStack) { 3444 rcse = new RemoteControlStackEntry(mediaIntent, target); 3445 } 3446 mRCStack.push(rcse); 3447 3448 // post message to persist the default media button receiver 3449 mAudioHandler.sendMessage( mAudioHandler.obtainMessage( 3450 MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, target/*obj*/) ); 3451 } 3452 3453 /** 3454 * Helper function: 3455 * Remove the remote control receiver from the RC focus stack. 3456 * precondition: pi != null 3457 */ 3458 private void removeMediaButtonReceiver(PendingIntent pi) { 3459 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3460 while(stackIterator.hasNext()) { 3461 RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); 3462 if(rcse.mMediaIntent.equals(pi)) { 3463 stackIterator.remove(); 3464 rcse.unlinkToRcClientDeath(); 3465 break; 3466 } 3467 } 3468 } 3469 3470 /** 3471 * Helper function: 3472 * Called synchronized on mRCStack 3473 */ 3474 private boolean isCurrentRcController(PendingIntent pi) { 3475 if (!mRCStack.empty() && mRCStack.peek().mMediaIntent.equals(pi)) { 3476 return true; 3477 } 3478 return false; 3479 } 3480 3481 //========================================================================================== 3482 // Remote control display / client 3483 //========================================================================================== 3484 /** 3485 * Update the remote control displays with the new "focused" client generation 3486 */ 3487 private void setNewRcClientOnDisplays_syncRcsCurrc(int newClientGeneration, 3488 PendingIntent newMediaIntent, boolean clearing) { 3489 // NOTE: Only one IRemoteControlDisplay supported in this implementation 3490 if (mRcDisplay != null) { 3491 try { 3492 mRcDisplay.setCurrentClientId( 3493 newClientGeneration, newMediaIntent, clearing); 3494 } catch (RemoteException e) { 3495 Log.e(TAG, "Dead display in setNewRcClientOnDisplays_syncRcsCurrc() "+e); 3496 // if we had a display before, stop monitoring its death 3497 rcDisplay_stopDeathMonitor_syncRcStack(); 3498 mRcDisplay = null; 3499 } 3500 } 3501 } 3502 3503 /** 3504 * Update the remote control clients with the new "focused" client generation 3505 */ 3506 private void setNewRcClientGenerationOnClients_syncRcsCurrc(int newClientGeneration) { 3507 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3508 while(stackIterator.hasNext()) { 3509 RemoteControlStackEntry se = stackIterator.next(); 3510 if ((se != null) && (se.mRcClient != null)) { 3511 try { 3512 se.mRcClient.setCurrentClientGenerationId(newClientGeneration); 3513 } catch (RemoteException e) { 3514 Log.w(TAG, "Dead client in setNewRcClientGenerationOnClients_syncRcsCurrc()"+e); 3515 stackIterator.remove(); 3516 se.unlinkToRcClientDeath(); 3517 } 3518 } 3519 } 3520 } 3521 3522 /** 3523 * Update the displays and clients with the new "focused" client generation and name 3524 * @param newClientGeneration the new generation value matching a client update 3525 * @param newClientEventReceiver the media button event receiver associated with the client. 3526 * May be null, which implies there is no registered media button event receiver. 3527 * @param clearing true if the new client generation value maps to a remote control update 3528 * where the display should be cleared. 3529 */ 3530 private void setNewRcClient_syncRcsCurrc(int newClientGeneration, 3531 PendingIntent newMediaIntent, boolean clearing) { 3532 // send the new valid client generation ID to all displays 3533 setNewRcClientOnDisplays_syncRcsCurrc(newClientGeneration, newMediaIntent, clearing); 3534 // send the new valid client generation ID to all clients 3535 setNewRcClientGenerationOnClients_syncRcsCurrc(newClientGeneration); 3536 } 3537 3538 /** 3539 * Called when processing MSG_RCDISPLAY_CLEAR event 3540 */ 3541 private void onRcDisplayClear() { 3542 if (DEBUG_RC) Log.i(TAG, "Clear remote control display"); 3543 3544 synchronized(mRCStack) { 3545 synchronized(mCurrentRcLock) { 3546 mCurrentRcClientGen++; 3547 // synchronously update the displays and clients with the new client generation 3548 setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, 3549 null /*newMediaIntent*/, true /*clearing*/); 3550 } 3551 } 3552 } 3553 3554 /** 3555 * Called when processing MSG_RCDISPLAY_UPDATE event 3556 */ 3557 private void onRcDisplayUpdate(RemoteControlStackEntry rcse, int flags /* USED ?*/) { 3558 synchronized(mRCStack) { 3559 synchronized(mCurrentRcLock) { 3560 if ((mCurrentRcClient != null) && (mCurrentRcClient.equals(rcse.mRcClient))) { 3561 if (DEBUG_RC) Log.i(TAG, "Display/update remote control "); 3562 3563 mCurrentRcClientGen++; 3564 // synchronously update the displays and clients with 3565 // the new client generation 3566 setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, 3567 rcse.mMediaIntent /*newMediaIntent*/, 3568 false /*clearing*/); 3569 3570 // tell the current client that it needs to send info 3571 try { 3572 mCurrentRcClient.onInformationRequested(mCurrentRcClientGen, 3573 flags, mArtworkExpectedWidth, mArtworkExpectedHeight); 3574 } catch (RemoteException e) { 3575 Log.e(TAG, "Current valid remote client is dead: "+e); 3576 mCurrentRcClient = null; 3577 } 3578 } else { 3579 // the remote control display owner has changed between the 3580 // the message to update the display was sent, and the time it 3581 // gets to be processed (now) 3582 } 3583 } 3584 } 3585 } 3586 3587 3588 /** 3589 * Helper function: 3590 * Called synchronized on mRCStack 3591 */ 3592 private void clearRemoteControlDisplay_syncAfRcs() { 3593 synchronized(mCurrentRcLock) { 3594 mCurrentRcClient = null; 3595 } 3596 // will cause onRcDisplayClear() to be called in AudioService's handler thread 3597 mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_CLEAR) ); 3598 } 3599 3600 /** 3601 * Helper function for code readability: only to be called from 3602 * checkUpdateRemoteControlDisplay_syncAfRcs() which checks the preconditions for 3603 * this method. 3604 * Preconditions: 3605 * - called synchronized mAudioFocusLock then on mRCStack 3606 * - mRCStack.isEmpty() is false 3607 */ 3608 private void updateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { 3609 RemoteControlStackEntry rcse = mRCStack.peek(); 3610 int infoFlagsAboutToBeUsed = infoChangedFlags; 3611 // this is where we enforce opt-in for information display on the remote controls 3612 // with the new AudioManager.registerRemoteControlClient() API 3613 if (rcse.mRcClient == null) { 3614 //Log.w(TAG, "Can't update remote control display with null remote control client"); 3615 clearRemoteControlDisplay_syncAfRcs(); 3616 return; 3617 } 3618 synchronized(mCurrentRcLock) { 3619 if (!rcse.mRcClient.equals(mCurrentRcClient)) { 3620 // new RC client, assume every type of information shall be queried 3621 infoFlagsAboutToBeUsed = RC_INFO_ALL; 3622 } 3623 mCurrentRcClient = rcse.mRcClient; 3624 } 3625 // will cause onRcDisplayUpdate() to be called in AudioService's handler thread 3626 mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_UPDATE, 3627 infoFlagsAboutToBeUsed /* arg1 */, 0, rcse /* obj, != null */) ); 3628 } 3629 3630 /** 3631 * Helper function: 3632 * Called synchronized on mAudioFocusLock, then mRCStack 3633 * Check whether the remote control display should be updated, triggers the update if required 3634 * @param infoChangedFlags the flags corresponding to the remote control client information 3635 * that has changed, if applicable (checking for the update conditions might trigger a 3636 * clear, rather than an update event). 3637 */ 3638 private void checkUpdateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { 3639 // determine whether the remote control display should be refreshed 3640 // if either stack is empty, there is a mismatch, so clear the RC display 3641 if (mRCStack.isEmpty() || mFocusStack.isEmpty()) { 3642 clearRemoteControlDisplay_syncAfRcs(); 3643 return; 3644 } 3645 // if the top of the two stacks belong to different packages, there is a mismatch, clear 3646 if ((mRCStack.peek().mCallingPackageName != null) 3647 && (mFocusStack.peek().mPackageName != null) 3648 && !(mRCStack.peek().mCallingPackageName.compareTo( 3649 mFocusStack.peek().mPackageName) == 0)) { 3650 clearRemoteControlDisplay_syncAfRcs(); 3651 return; 3652 } 3653 // if the audio focus didn't originate from the same Uid as the one in which the remote 3654 // control information will be retrieved, clear 3655 if (mRCStack.peek().mCallingUid != mFocusStack.peek().mCallingUid) { 3656 clearRemoteControlDisplay_syncAfRcs(); 3657 return; 3658 } 3659 // refresh conditions were verified: update the remote controls 3660 // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty 3661 updateRemoteControlDisplay_syncAfRcs(infoChangedFlags); 3662 } 3663 3664 /** 3665 * see AudioManager.registerMediaButtonIntent(PendingIntent pi, ComponentName c) 3666 * precondition: mediaIntent != null, target != null 3667 */ 3668 public void registerMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver) { 3669 Log.i(TAG, " Remote Control registerMediaButtonIntent() for " + mediaIntent); 3670 3671 synchronized(mAudioFocusLock) { 3672 synchronized(mRCStack) { 3673 pushMediaButtonReceiver(mediaIntent, eventReceiver); 3674 // new RC client, assume every type of information shall be queried 3675 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3676 } 3677 } 3678 } 3679 3680 /** 3681 * see AudioManager.unregisterMediaButtonIntent(PendingIntent mediaIntent) 3682 * precondition: mediaIntent != null, eventReceiver != null 3683 */ 3684 public void unregisterMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver) 3685 { 3686 Log.i(TAG, " Remote Control unregisterMediaButtonIntent() for " + mediaIntent); 3687 3688 synchronized(mAudioFocusLock) { 3689 synchronized(mRCStack) { 3690 boolean topOfStackWillChange = isCurrentRcController(mediaIntent); 3691 removeMediaButtonReceiver(mediaIntent); 3692 if (topOfStackWillChange) { 3693 // current RC client will change, assume every type of info needs to be queried 3694 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3695 } 3696 } 3697 } 3698 } 3699 3700 /** 3701 * see AudioManager.registerRemoteControlClient(ComponentName eventReceiver, ...) 3702 * Note: using this method with rcClient == null is a way to "disable" the IRemoteControlClient 3703 * without modifying the RC stack, but while still causing the display to refresh (will 3704 * become blank as a result of this) 3705 */ 3706 public void registerRemoteControlClient(PendingIntent mediaIntent, 3707 IRemoteControlClient rcClient, String callingPackageName) { 3708 if (DEBUG_RC) Log.i(TAG, "Register remote control client rcClient="+rcClient); 3709 synchronized(mAudioFocusLock) { 3710 synchronized(mRCStack) { 3711 // store the new display information 3712 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3713 while(stackIterator.hasNext()) { 3714 RemoteControlStackEntry rcse = stackIterator.next(); 3715 if(rcse.mMediaIntent.equals(mediaIntent)) { 3716 // already had a remote control client? 3717 if (rcse.mRcClientDeathHandler != null) { 3718 // stop monitoring the old client's death 3719 rcse.unlinkToRcClientDeath(); 3720 } 3721 // save the new remote control client 3722 rcse.mRcClient = rcClient; 3723 rcse.mCallingPackageName = callingPackageName; 3724 rcse.mCallingUid = Binder.getCallingUid(); 3725 if (rcClient == null) { 3726 // here rcse.mRcClientDeathHandler is null; 3727 break; 3728 } 3729 3730 // there is a new (non-null) client: 3731 // 1/ give the new client the current display (if any) 3732 if (mRcDisplay != null) { 3733 try { 3734 rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); 3735 } catch (RemoteException e) { 3736 Log.e(TAG, "Error connecting remote control display to client: "+e); 3737 e.printStackTrace(); 3738 } 3739 } 3740 // 2/ monitor the new client's death 3741 IBinder b = rcse.mRcClient.asBinder(); 3742 RcClientDeathHandler rcdh = 3743 new RcClientDeathHandler(b, rcse.mMediaIntent); 3744 try { 3745 b.linkToDeath(rcdh, 0); 3746 } catch (RemoteException e) { 3747 // remote control client is DOA, disqualify it 3748 Log.w(TAG, "registerRemoteControlClient() has a dead client " + b); 3749 rcse.mRcClient = null; 3750 } 3751 rcse.mRcClientDeathHandler = rcdh; 3752 break; 3753 } 3754 } 3755 // if the eventReceiver is at the top of the stack 3756 // then check for potential refresh of the remote controls 3757 if (isCurrentRcController(mediaIntent)) { 3758 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3759 } 3760 } 3761 } 3762 } 3763 3764 /** 3765 * see AudioManager.unregisterRemoteControlClient(PendingIntent pi, ...) 3766 * rcClient is guaranteed non-null 3767 */ 3768 public void unregisterRemoteControlClient(PendingIntent mediaIntent, 3769 IRemoteControlClient rcClient) { 3770 synchronized(mAudioFocusLock) { 3771 synchronized(mRCStack) { 3772 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3773 while(stackIterator.hasNext()) { 3774 RemoteControlStackEntry rcse = stackIterator.next(); 3775 if ((rcse.mMediaIntent.equals(mediaIntent)) 3776 && rcClient.equals(rcse.mRcClient)) { 3777 // we found the IRemoteControlClient to unregister 3778 // stop monitoring its death 3779 rcse.unlinkToRcClientDeath(); 3780 // reset the client-related fields 3781 rcse.mRcClient = null; 3782 rcse.mCallingPackageName = null; 3783 } 3784 } 3785 } 3786 } 3787 } 3788 3789 /** 3790 * The remote control displays. 3791 * Access synchronized on mRCStack 3792 * NOTE: Only one IRemoteControlDisplay supported in this implementation 3793 */ 3794 private IRemoteControlDisplay mRcDisplay; 3795 private RcDisplayDeathHandler mRcDisplayDeathHandler; 3796 private int mArtworkExpectedWidth = -1; 3797 private int mArtworkExpectedHeight = -1; 3798 /** 3799 * Inner class to monitor remote control display deaths, and unregister them from the list 3800 * of displays if necessary. 3801 */ 3802 private class RcDisplayDeathHandler implements IBinder.DeathRecipient { 3803 private IBinder mCb; // To be notified of client's death 3804 3805 public RcDisplayDeathHandler(IBinder b) { 3806 if (DEBUG_RC) Log.i(TAG, "new RcDisplayDeathHandler for "+b); 3807 mCb = b; 3808 } 3809 3810 public void binderDied() { 3811 synchronized(mRCStack) { 3812 Log.w(TAG, "RemoteControl: display died"); 3813 mRcDisplay = null; 3814 } 3815 } 3816 3817 public void unlinkToRcDisplayDeath() { 3818 if (DEBUG_RC) Log.i(TAG, "unlinkToRcDisplayDeath for "+mCb); 3819 try { 3820 mCb.unlinkToDeath(this, 0); 3821 } catch (java.util.NoSuchElementException e) { 3822 // not much we can do here, the display was being unregistered anyway 3823 Log.e(TAG, "Encountered " + e + " in unlinkToRcDisplayDeath()"); 3824 e.printStackTrace(); 3825 } 3826 } 3827 3828 } 3829 3830 private void rcDisplay_stopDeathMonitor_syncRcStack() { 3831 if (mRcDisplay != null) { // implies (mRcDisplayDeathHandler != null) 3832 // we had a display before, stop monitoring its death 3833 mRcDisplayDeathHandler.unlinkToRcDisplayDeath(); 3834 } 3835 } 3836 3837 private void rcDisplay_startDeathMonitor_syncRcStack() { 3838 if (mRcDisplay != null) { 3839 // new non-null display, monitor its death 3840 IBinder b = mRcDisplay.asBinder(); 3841 mRcDisplayDeathHandler = new RcDisplayDeathHandler(b); 3842 try { 3843 b.linkToDeath(mRcDisplayDeathHandler, 0); 3844 } catch (RemoteException e) { 3845 // remote control display is DOA, disqualify it 3846 Log.w(TAG, "registerRemoteControlDisplay() has a dead client " + b); 3847 mRcDisplay = null; 3848 } 3849 } 3850 } 3851 3852 /** 3853 * Register an IRemoteControlDisplay. 3854 * Notify all IRemoteControlClient of the new display and cause the RemoteControlClient 3855 * at the top of the stack to update the new display with its information. 3856 * Since only one IRemoteControlDisplay is supported, this will unregister the previous display. 3857 * @param rcd the IRemoteControlDisplay to register. No effect if null. 3858 */ 3859 public void registerRemoteControlDisplay(IRemoteControlDisplay rcd) { 3860 if (DEBUG_RC) Log.d(TAG, ">>> registerRemoteControlDisplay("+rcd+")"); 3861 synchronized(mAudioFocusLock) { 3862 synchronized(mRCStack) { 3863 if ((mRcDisplay == rcd) || (rcd == null)) { 3864 return; 3865 } 3866 // if we had a display before, stop monitoring its death 3867 rcDisplay_stopDeathMonitor_syncRcStack(); 3868 mRcDisplay = rcd; 3869 // new display, start monitoring its death 3870 rcDisplay_startDeathMonitor_syncRcStack(); 3871 3872 // let all the remote control clients there is a new display 3873 // no need to unplug the previous because we only support one display 3874 // and the clients don't track the death of the display 3875 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3876 while(stackIterator.hasNext()) { 3877 RemoteControlStackEntry rcse = stackIterator.next(); 3878 if(rcse.mRcClient != null) { 3879 try { 3880 rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); 3881 } catch (RemoteException e) { 3882 Log.e(TAG, "Error connecting remote control display to client: " + e); 3883 e.printStackTrace(); 3884 } 3885 } 3886 } 3887 3888 // we have a new display, of which all the clients are now aware: have it be updated 3889 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3890 } 3891 } 3892 } 3893 3894 /** 3895 * Unregister an IRemoteControlDisplay. 3896 * Since only one IRemoteControlDisplay is supported, this has no effect if the one to 3897 * unregister is not the current one. 3898 * @param rcd the IRemoteControlDisplay to unregister. No effect if null. 3899 */ 3900 public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { 3901 if (DEBUG_RC) Log.d(TAG, "<<< unregisterRemoteControlDisplay("+rcd+")"); 3902 synchronized(mRCStack) { 3903 // only one display here, so you can only unregister the current display 3904 if ((rcd == null) || (rcd != mRcDisplay)) { 3905 if (DEBUG_RC) Log.w(TAG, " trying to unregister unregistered RCD"); 3906 return; 3907 } 3908 // if we had a display before, stop monitoring its death 3909 rcDisplay_stopDeathMonitor_syncRcStack(); 3910 mRcDisplay = null; 3911 3912 // disconnect this remote control display from all the clients 3913 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 3914 while(stackIterator.hasNext()) { 3915 RemoteControlStackEntry rcse = stackIterator.next(); 3916 if(rcse.mRcClient != null) { 3917 try { 3918 rcse.mRcClient.unplugRemoteControlDisplay(rcd); 3919 } catch (RemoteException e) { 3920 Log.e(TAG, "Error disconnecting remote control display to client: " + e); 3921 e.printStackTrace(); 3922 } 3923 } 3924 } 3925 } 3926 } 3927 3928 public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { 3929 synchronized(mRCStack) { 3930 // NOTE: Only one IRemoteControlDisplay supported in this implementation 3931 mArtworkExpectedWidth = w; 3932 mArtworkExpectedHeight = h; 3933 } 3934 } 3935 3936 @Override 3937 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3938 // TODO probably a lot more to do here than just the audio focus and remote control stacks 3939 dumpFocusStack(pw); 3940 dumpRCStack(pw); 3941 } 3942 3943 3944} 3945