| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media; |
| |
| import android.app.ActivityManagerNative; |
| import android.app.KeyguardManager; |
| import android.bluetooth.BluetoothA2dp; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothHeadset; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.database.ContentObserver; |
| import android.media.MediaPlayer.OnCompletionListener; |
| import android.media.MediaPlayer.OnErrorListener; |
| import android.os.Binder; |
| import android.os.Environment; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemProperties; |
| import android.provider.Settings; |
| import android.provider.Settings.System; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.VolumePanel; |
| |
| import com.android.internal.telephony.ITelephony; |
| |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| import java.util.Stack; |
| |
| /** |
| * The implementation of the volume manager service. |
| * <p> |
| * This implementation focuses on delivering a responsive UI. Most methods are |
| * asynchronous to external calls. For example, the task of setting a volume |
| * will update our internal state, but in a separate thread will set the system |
| * volume and later persist to the database. Similarly, setting the ringer mode |
| * will update the state and broadcast a change and in a separate thread later |
| * persist the ringer mode. |
| * |
| * @hide |
| */ |
| public class AudioService extends IAudioService.Stub { |
| |
| private static final String TAG = "AudioService"; |
| |
| /** Debug remote control client/display feature */ |
| // TODO set to false before release |
| protected static final boolean DEBUG_RC = true; |
| |
| /** How long to delay before persisting a change in volume/ringer mode. */ |
| private static final int PERSIST_DELAY = 3000; |
| |
| private Context mContext; |
| private ContentResolver mContentResolver; |
| private boolean mVoiceCapable; |
| |
| /** The UI */ |
| private VolumePanel mVolumePanel; |
| |
| // sendMsg() flags |
| /** Used when a message should be shared across all stream types. */ |
| private static final int SHARED_MSG = -1; |
| /** If the msg is already queued, replace it with this one. */ |
| private static final int SENDMSG_REPLACE = 0; |
| /** If the msg is already queued, ignore this one and leave the old. */ |
| private static final int SENDMSG_NOOP = 1; |
| /** If the msg is already queued, queue this one and leave the old. */ |
| private static final int SENDMSG_QUEUE = 2; |
| |
| // AudioHandler message.whats |
| private static final int MSG_SET_SYSTEM_VOLUME = 0; |
| private static final int MSG_PERSIST_VOLUME = 1; |
| private static final int MSG_PERSIST_RINGER_MODE = 3; |
| private static final int MSG_PERSIST_VIBRATE_SETTING = 4; |
| private static final int MSG_MEDIA_SERVER_DIED = 5; |
| private static final int MSG_MEDIA_SERVER_STARTED = 6; |
| private static final int MSG_PLAY_SOUND_EFFECT = 7; |
| private static final int MSG_BTA2DP_DOCK_TIMEOUT = 8; |
| private static final int MSG_LOAD_SOUND_EFFECTS = 9; |
| private static final int MSG_SET_FORCE_USE = 10; |
| private static final int MSG_PERSIST_MEDIABUTTONRECEIVER = 11; |
| private static final int MSG_BT_HEADSET_CNCT_FAILED = 12; |
| private static final int MSG_RCDISPLAY_CLEAR = 13; |
| private static final int MSG_RCDISPLAY_UPDATE = 14; |
| |
| private static final int BTA2DP_DOCK_TIMEOUT_MILLIS = 8000; |
| // Timeout for connection to bluetooth headset service |
| private static final int BT_HEADSET_CNCT_TIMEOUT_MS = 3000; |
| |
| |
| /** @see AudioSystemThread */ |
| private AudioSystemThread mAudioSystemThread; |
| /** @see AudioHandler */ |
| private AudioHandler mAudioHandler; |
| /** @see VolumeStreamState */ |
| private VolumeStreamState[] mStreamStates; |
| private SettingsObserver mSettingsObserver; |
| |
| private int mMode; |
| private Object mSettingsLock = new Object(); |
| private boolean mMediaServerOk; |
| |
| private SoundPool mSoundPool; |
| private Object mSoundEffectsLock = new Object(); |
| private static final int NUM_SOUNDPOOL_CHANNELS = 4; |
| private static final int SOUND_EFFECT_VOLUME = 1000; |
| |
| /* Sound effect file names */ |
| private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/"; |
| private static final String[] SOUND_EFFECT_FILES = new String[] { |
| "Effect_Tick.ogg", |
| "KeypressStandard.ogg", |
| "KeypressSpacebar.ogg", |
| "KeypressDelete.ogg", |
| "KeypressReturn.ogg" |
| }; |
| |
| /* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to |
| * file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect |
| * uses soundpool (second column) */ |
| private int[][] SOUND_EFFECT_FILES_MAP = new int[][] { |
| {0, -1}, // FX_KEY_CLICK |
| {0, -1}, // FX_FOCUS_NAVIGATION_UP |
| {0, -1}, // FX_FOCUS_NAVIGATION_DOWN |
| {0, -1}, // FX_FOCUS_NAVIGATION_LEFT |
| {0, -1}, // FX_FOCUS_NAVIGATION_RIGHT |
| {1, -1}, // FX_KEYPRESS_STANDARD |
| {2, -1}, // FX_KEYPRESS_SPACEBAR |
| {3, -1}, // FX_FOCUS_DELETE |
| {4, -1} // FX_FOCUS_RETURN |
| }; |
| |
| /** @hide Maximum volume index values for audio streams */ |
| private int[] MAX_STREAM_VOLUME = new int[] { |
| 5, // STREAM_VOICE_CALL |
| 7, // STREAM_SYSTEM |
| 7, // STREAM_RING |
| 15, // STREAM_MUSIC |
| 7, // STREAM_ALARM |
| 7, // STREAM_NOTIFICATION |
| 15, // STREAM_BLUETOOTH_SCO |
| 7, // STREAM_SYSTEM_ENFORCED |
| 15, // STREAM_DTMF |
| 15 // STREAM_TTS |
| }; |
| /* STREAM_VOLUME_ALIAS[] indicates for each stream if it uses the volume settings |
| * of another stream: This avoids multiplying the volume settings for hidden |
| * stream types that follow other stream behavior for volume settings |
| * NOTE: do not create loops in aliases! */ |
| private int[] STREAM_VOLUME_ALIAS = new int[] { |
| AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL |
| AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM |
| AudioSystem.STREAM_RING, // STREAM_RING |
| AudioSystem.STREAM_MUSIC, // STREAM_MUSIC |
| AudioSystem.STREAM_ALARM, // STREAM_ALARM |
| AudioSystem.STREAM_RING, // STREAM_NOTIFICATION |
| AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO |
| AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM_ENFORCED |
| AudioSystem.STREAM_VOICE_CALL, // STREAM_DTMF |
| AudioSystem.STREAM_MUSIC // STREAM_TTS |
| }; |
| |
| private AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { |
| public void onError(int error) { |
| switch (error) { |
| case AudioSystem.AUDIO_STATUS_SERVER_DIED: |
| if (mMediaServerOk) { |
| sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SHARED_MSG, SENDMSG_NOOP, 0, 0, |
| null, 1500); |
| mMediaServerOk = false; |
| } |
| break; |
| case AudioSystem.AUDIO_STATUS_OK: |
| if (!mMediaServerOk) { |
| sendMsg(mAudioHandler, MSG_MEDIA_SERVER_STARTED, SHARED_MSG, SENDMSG_NOOP, 0, 0, |
| null, 0); |
| mMediaServerOk = true; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| }; |
| |
| /** |
| * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, |
| * {@link AudioManager#RINGER_MODE_SILENT}, or |
| * {@link AudioManager#RINGER_MODE_VIBRATE}. |
| */ |
| private int mRingerMode; |
| |
| /** @see System#MODE_RINGER_STREAMS_AFFECTED */ |
| private int mRingerModeAffectedStreams; |
| |
| // Streams currently muted by ringer mode |
| private int mRingerModeMutedStreams; |
| |
| /** @see System#MUTE_STREAMS_AFFECTED */ |
| private int mMuteAffectedStreams; |
| |
| /** |
| * Has multiple bits per vibrate type to indicate the type's vibrate |
| * setting. See {@link #setVibrateSetting(int, int)}. |
| * <p> |
| * NOTE: This is not the final decision of whether vibrate is on/off for the |
| * type since it depends on the ringer mode. See {@link #shouldVibrate(int)}. |
| */ |
| private int mVibrateSetting; |
| |
| // Broadcast receiver for device connections intent broadcasts |
| private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); |
| |
| // Broadcast receiver for media button broadcasts (separate from mReceiver to |
| // independently change its priority) |
| private final BroadcastReceiver mMediaButtonReceiver = new MediaButtonBroadcastReceiver(); |
| |
| // Used to alter media button redirection when the phone is ringing. |
| private boolean mIsRinging = false; |
| |
| // Devices currently connected |
| private HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>(); |
| |
| // Forced device usage for communications |
| private int mForcedUseForComm; |
| |
| // List of binder death handlers for setMode() client processes. |
| // The last process to have called setMode() is at the top of the list. |
| private ArrayList <SetModeDeathHandler> mSetModeDeathHandlers = new ArrayList <SetModeDeathHandler>(); |
| |
| // List of clients having issued a SCO start request |
| private ArrayList <ScoClient> mScoClients = new ArrayList <ScoClient>(); |
| |
| // BluetoothHeadset API to control SCO connection |
| private BluetoothHeadset mBluetoothHeadset; |
| |
| // Bluetooth headset device |
| private BluetoothDevice mBluetoothHeadsetDevice; |
| |
| // Indicate if SCO audio connection is currently active and if the initiator is |
| // audio service (internal) or bluetooth headset (external) |
| private int mScoAudioState; |
| // SCO audio state is not active |
| private static final int SCO_STATE_INACTIVE = 0; |
| // SCO audio activation request waiting for headset service to connect |
| private static final int SCO_STATE_ACTIVATE_REQ = 1; |
| // SCO audio state is active or starting due to a local request to start a virtual call |
| private static final int SCO_STATE_ACTIVE_INTERNAL = 3; |
| // SCO audio deactivation request waiting for headset service to connect |
| private static final int SCO_STATE_DEACTIVATE_REQ = 5; |
| |
| // SCO audio state is active due to an action in BT handsfree (either voice recognition or |
| // in call audio) |
| private static final int SCO_STATE_ACTIVE_EXTERNAL = 2; |
| // Deactivation request for all SCO connections (initiated by audio mode change) |
| // waiting for headset service to connect |
| private static final int SCO_STATE_DEACTIVATE_EXT_REQ = 4; |
| |
| // Current connection state indicated by bluetooth headset |
| private int mScoConnectionState; |
| |
| // true if boot sequence has been completed |
| private boolean mBootCompleted; |
| // listener for SoundPool sample load completion indication |
| private SoundPoolCallback mSoundPoolCallBack; |
| // thread for SoundPool listener |
| private SoundPoolListenerThread mSoundPoolListenerThread; |
| // message looper for SoundPool listener |
| private Looper mSoundPoolLooper = null; |
| // default volume applied to sound played with playSoundEffect() |
| private static final int SOUND_EFFECT_DEFAULT_VOLUME_DB = -20; |
| // volume applied to sound played with playSoundEffect() read from ro.config.sound_fx_volume |
| private int SOUND_EFFECT_VOLUME_DB; |
| // getActiveStreamType() will return STREAM_NOTIFICATION during this period after a notification |
| // stopped |
| private static final int NOTIFICATION_VOLUME_DELAY_MS = 5000; |
| // previous volume adjustment direction received by checkForRingerModeChange() |
| private int mPrevVolDirection = AudioManager.ADJUST_SAME; |
| // Keyguard manager proxy |
| private KeyguardManager mKeyguardManager; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Construction |
| /////////////////////////////////////////////////////////////////////////// |
| |
| /** @hide */ |
| public AudioService(Context context) { |
| mContext = context; |
| mContentResolver = context.getContentResolver(); |
| mVoiceCapable = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_voice_capable); |
| |
| // Intialized volume |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = SystemProperties.getInt( |
| "ro.config.vc_call_vol_steps", |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]); |
| |
| SOUND_EFFECT_VOLUME_DB = SystemProperties.getInt( |
| "ro.config.sound_fx_volume", |
| SOUND_EFFECT_DEFAULT_VOLUME_DB); |
| |
| mVolumePanel = new VolumePanel(context, this); |
| mForcedUseForComm = AudioSystem.FORCE_NONE; |
| createAudioSystemThread(); |
| readPersistedSettings(); |
| mSettingsObserver = new SettingsObserver(); |
| createStreamStates(); |
| |
| mMode = AudioSystem.MODE_NORMAL; |
| mMediaServerOk = true; |
| |
| // Call setRingerModeInt() to apply correct mute |
| // state on streams affected by ringer mode. |
| mRingerModeMutedStreams = 0; |
| setRingerModeInt(getRingerMode(), false); |
| |
| AudioSystem.setErrorCallback(mAudioSystemCallback); |
| |
| // Register for device connection intent broadcasts. |
| IntentFilter intentFilter = |
| new IntentFilter(Intent.ACTION_HEADSET_PLUG); |
| |
| intentFilter.addAction(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED); |
| intentFilter.addAction(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); |
| intentFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_DOCK_EVENT); |
| intentFilter.addAction(Intent.ACTION_USB_ANLG_HEADSET_PLUG); |
| intentFilter.addAction(Intent.ACTION_USB_DGTL_HEADSET_PLUG); |
| intentFilter.addAction(Intent.ACTION_HDMI_AUDIO_PLUG); |
| intentFilter.addAction(Intent.ACTION_BOOT_COMPLETED); |
| context.registerReceiver(mReceiver, intentFilter); |
| |
| // Register for package removal intent broadcasts for media button receiver persistence |
| IntentFilter pkgFilter = new IntentFilter(); |
| pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| pkgFilter.addDataScheme("package"); |
| context.registerReceiver(mReceiver, pkgFilter); |
| |
| // Register for media button intent broadcasts. |
| intentFilter = new IntentFilter(Intent.ACTION_MEDIA_BUTTON); |
| // Workaround for bug on priority setting |
| //intentFilter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| intentFilter.setPriority(Integer.MAX_VALUE); |
| context.registerReceiver(mMediaButtonReceiver, intentFilter); |
| |
| // Register for phone state monitoring |
| TelephonyManager tmgr = (TelephonyManager) |
| context.getSystemService(Context.TELEPHONY_SERVICE); |
| tmgr.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); |
| } |
| |
| private void createAudioSystemThread() { |
| mAudioSystemThread = new AudioSystemThread(); |
| mAudioSystemThread.start(); |
| waitForAudioHandlerCreation(); |
| } |
| |
| /** Waits for the volume handler to be created by the other thread. */ |
| private void waitForAudioHandlerCreation() { |
| synchronized(this) { |
| while (mAudioHandler == null) { |
| try { |
| // Wait for mAudioHandler to be set by the other thread |
| wait(); |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted while waiting on volume handler."); |
| } |
| } |
| } |
| } |
| |
| private void createStreamStates() { |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; |
| |
| for (int i = 0; i < numStreamTypes; i++) { |
| streams[i] = new VolumeStreamState(System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[i]], i); |
| } |
| |
| // Correct stream index values for streams with aliases |
| for (int i = 0; i < numStreamTypes; i++) { |
| if (STREAM_VOLUME_ALIAS[i] != i) { |
| int index = rescaleIndex(streams[i].mIndex, STREAM_VOLUME_ALIAS[i], i); |
| streams[i].mIndex = streams[i].getValidIndex(index); |
| setStreamVolumeIndex(i, index); |
| index = rescaleIndex(streams[i].mLastAudibleIndex, STREAM_VOLUME_ALIAS[i], i); |
| streams[i].mLastAudibleIndex = streams[i].getValidIndex(index); |
| } |
| } |
| } |
| |
| private void readPersistedSettings() { |
| final ContentResolver cr = mContentResolver; |
| |
| mRingerMode = System.getInt(cr, System.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); |
| // sanity check in case the settings are restored from a device with incompatible |
| // ringer modes |
| if (!AudioManager.isValidRingerMode(mRingerMode)) { |
| mRingerMode = AudioManager.RINGER_MODE_NORMAL; |
| System.putInt(cr, System.MODE_RINGER, mRingerMode); |
| } |
| |
| mVibrateSetting = System.getInt(cr, System.VIBRATE_ON, 0); |
| |
| // make sure settings for ringer mode are consistent with device type: non voice capable |
| // devices (tablets) include media stream in silent mode whereas phones don't. |
| mRingerModeAffectedStreams = Settings.System.getInt(cr, |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED, |
| ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| |
| (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); |
| if (mVoiceCapable) { |
| mRingerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); |
| } else { |
| mRingerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); |
| } |
| Settings.System.putInt(cr, |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED, mRingerModeAffectedStreams); |
| |
| mMuteAffectedStreams = System.getInt(cr, |
| System.MUTE_STREAMS_AFFECTED, |
| ((1 << AudioSystem.STREAM_MUSIC)|(1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_SYSTEM))); |
| |
| // Each stream will read its own persisted settings |
| |
| // Broadcast the sticky intent |
| broadcastRingerMode(); |
| |
| // Broadcast vibrate settings |
| broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); |
| broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); |
| |
| // Restore the default media button receiver from the system settings |
| restoreMediaButtonReceiver(); |
| } |
| |
| private void setStreamVolumeIndex(int stream, int index) { |
| AudioSystem.setStreamVolumeIndex(stream, (index + 5)/10); |
| } |
| |
| private int rescaleIndex(int index, int srcStream, int dstStream) { |
| return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // IPC methods |
| /////////////////////////////////////////////////////////////////////////// |
| |
| /** @see AudioManager#adjustVolume(int, int) */ |
| public void adjustVolume(int direction, int flags) { |
| adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags); |
| } |
| |
| /** @see AudioManager#adjustVolume(int, int, int) */ |
| public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { |
| |
| int streamType; |
| if ((flags & AudioManager.FLAG_FORCE_STREAM) != 0) { |
| streamType = suggestedStreamType; |
| } else { |
| streamType = getActiveStreamType(suggestedStreamType); |
| } |
| |
| // Play sounds on STREAM_RING only and if lock screen is not on. |
| if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 && |
| ((STREAM_VOLUME_ALIAS[streamType] != AudioSystem.STREAM_RING) || |
| (mKeyguardManager != null && mKeyguardManager.isKeyguardLocked()))) { |
| flags &= ~AudioManager.FLAG_PLAY_SOUND; |
| } |
| |
| adjustStreamVolume(streamType, direction, flags); |
| } |
| |
| /** @see AudioManager#adjustStreamVolume(int, int, int) */ |
| public void adjustStreamVolume(int streamType, int direction, int flags) { |
| ensureValidDirection(direction); |
| ensureValidStreamType(streamType); |
| |
| |
| VolumeStreamState streamState = mStreamStates[STREAM_VOLUME_ALIAS[streamType]]; |
| final int oldIndex = (streamState.muteCount() != 0) ? streamState.mLastAudibleIndex : streamState.mIndex; |
| boolean adjustVolume = true; |
| |
| // If either the client forces allowing ringer modes for this adjustment, |
| // or the stream type is one that is affected by ringer modes |
| if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || |
| (!mVoiceCapable && streamType != AudioSystem.STREAM_VOICE_CALL && |
| streamType != AudioSystem.STREAM_BLUETOOTH_SCO) || |
| (mVoiceCapable && streamType == AudioSystem.STREAM_RING)) { |
| // do not vibrate if already in silent mode |
| if (mRingerMode != AudioManager.RINGER_MODE_NORMAL) { |
| flags &= ~AudioManager.FLAG_VIBRATE; |
| } |
| // Check if the ringer mode changes with this volume adjustment. If |
| // it does, it will handle adjusting the volume, so we won't below |
| adjustVolume = checkForRingerModeChange(oldIndex, direction); |
| } |
| |
| // If stream is muted, adjust last audible index only |
| int index; |
| if (streamState.muteCount() != 0) { |
| if (adjustVolume) { |
| streamState.adjustLastAudibleIndex(direction); |
| // Post a persist volume msg |
| sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, streamType, |
| SENDMSG_REPLACE, 0, 1, streamState, PERSIST_DELAY); |
| } |
| index = streamState.mLastAudibleIndex; |
| } else { |
| if (adjustVolume && streamState.adjustIndex(direction)) { |
| // Post message to set system volume (it in turn will post a message |
| // to persist). Do not change volume if stream is muted. |
| sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, STREAM_VOLUME_ALIAS[streamType], SENDMSG_NOOP, 0, 0, |
| streamState, 0); |
| } |
| index = streamState.mIndex; |
| } |
| |
| sendVolumeUpdate(streamType, oldIndex, index, flags); |
| } |
| |
| /** @see AudioManager#setStreamVolume(int, int, int) */ |
| public void setStreamVolume(int streamType, int index, int flags) { |
| ensureValidStreamType(streamType); |
| VolumeStreamState streamState = mStreamStates[STREAM_VOLUME_ALIAS[streamType]]; |
| |
| final int oldIndex = (streamState.muteCount() != 0) ? streamState.mLastAudibleIndex : streamState.mIndex; |
| |
| index = rescaleIndex(index * 10, streamType, STREAM_VOLUME_ALIAS[streamType]); |
| setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, false, true); |
| |
| index = (streamState.muteCount() != 0) ? streamState.mLastAudibleIndex : streamState.mIndex; |
| |
| sendVolumeUpdate(streamType, oldIndex, index, flags); |
| } |
| |
| // UI update and Broadcast Intent |
| private void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags) { |
| if (!mVoiceCapable && (streamType == AudioSystem.STREAM_RING)) { |
| streamType = AudioSystem.STREAM_NOTIFICATION; |
| } |
| |
| mVolumePanel.postVolumeChanged(streamType, flags); |
| |
| oldIndex = (oldIndex + 5) / 10; |
| index = (index + 5) / 10; |
| Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION); |
| intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType); |
| intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index); |
| intent.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex); |
| mContext.sendBroadcast(intent); |
| } |
| |
| /** |
| * Sets the stream state's index, and posts a message to set system volume. |
| * This will not call out to the UI. Assumes a valid stream type. |
| * |
| * @param streamType Type of the stream |
| * @param index Desired volume index of the stream |
| * @param force If true, set the volume even if the desired volume is same |
| * as the current volume. |
| * @param lastAudible If true, stores new index as last audible one |
| */ |
| private void setStreamVolumeInt(int streamType, int index, boolean force, boolean lastAudible) { |
| VolumeStreamState streamState = mStreamStates[streamType]; |
| |
| // If stream is muted, set last audible index only |
| if (streamState.muteCount() != 0) { |
| // Do not allow last audible index to be 0 |
| if (index != 0) { |
| streamState.setLastAudibleIndex(index); |
| // Post a persist volume msg |
| sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, streamType, |
| SENDMSG_REPLACE, 0, 1, streamState, PERSIST_DELAY); |
| } |
| } else { |
| if (streamState.setIndex(index, lastAudible) || force) { |
| // Post message to set system volume (it in turn will post a message |
| // to persist). |
| sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, streamType, SENDMSG_NOOP, 0, 0, |
| streamState, 0); |
| } |
| } |
| } |
| |
| /** @see AudioManager#setStreamSolo(int, boolean) */ |
| public void setStreamSolo(int streamType, boolean state, IBinder cb) { |
| for (int stream = 0; stream < mStreamStates.length; stream++) { |
| if (!isStreamAffectedByMute(stream) || stream == streamType) continue; |
| // Bring back last audible volume |
| mStreamStates[stream].mute(cb, state); |
| } |
| } |
| |
| /** @see AudioManager#setStreamMute(int, boolean) */ |
| public void setStreamMute(int streamType, boolean state, IBinder cb) { |
| if (isStreamAffectedByMute(streamType)) { |
| mStreamStates[streamType].mute(cb, state); |
| } |
| } |
| |
| /** get stream mute state. */ |
| public boolean isStreamMute(int streamType) { |
| return (mStreamStates[streamType].muteCount() != 0); |
| } |
| |
| /** @see AudioManager#getStreamVolume(int) */ |
| public int getStreamVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| return (mStreamStates[streamType].mIndex + 5) / 10; |
| } |
| |
| /** @see AudioManager#getStreamMaxVolume(int) */ |
| public int getStreamMaxVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| return (mStreamStates[streamType].getMaxIndex() + 5) / 10; |
| } |
| |
| |
| /** Get last audible volume before stream was muted. */ |
| public int getLastAudibleStreamVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| return (mStreamStates[streamType].mLastAudibleIndex + 5) / 10; |
| } |
| |
| /** @see AudioManager#getRingerMode() */ |
| public int getRingerMode() { |
| return mRingerMode; |
| } |
| |
| /** @see AudioManager#setRingerMode(int) */ |
| public void setRingerMode(int ringerMode) { |
| synchronized (mSettingsLock) { |
| if (ringerMode != mRingerMode) { |
| setRingerModeInt(ringerMode, true); |
| // Send sticky broadcast |
| broadcastRingerMode(); |
| } |
| } |
| } |
| |
| private void setRingerModeInt(int ringerMode, boolean persist) { |
| mRingerMode = ringerMode; |
| |
| // Mute stream if not previously muted by ringer mode and ringer mode |
| // is not RINGER_MODE_NORMAL and stream is affected by ringer mode. |
| // Unmute stream if previously muted by ringer mode and ringer mode |
| // is RINGER_MODE_NORMAL or stream is not affected by ringer mode. |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| if (isStreamMutedByRingerMode(streamType)) { |
| if (!isStreamAffectedByRingerMode(streamType) || |
| mRingerMode == AudioManager.RINGER_MODE_NORMAL) { |
| mStreamStates[streamType].mute(null, false); |
| mRingerModeMutedStreams &= ~(1 << streamType); |
| } |
| } else { |
| if (isStreamAffectedByRingerMode(streamType) && |
| mRingerMode != AudioManager.RINGER_MODE_NORMAL) { |
| mStreamStates[streamType].mute(null, true); |
| mRingerModeMutedStreams |= (1 << streamType); |
| } |
| } |
| } |
| |
| // Post a persist ringer mode msg |
| if (persist) { |
| sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, SHARED_MSG, |
| SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); |
| } |
| } |
| |
| /** @see AudioManager#shouldVibrate(int) */ |
| public boolean shouldVibrate(int vibrateType) { |
| |
| switch (getVibrateSetting(vibrateType)) { |
| |
| case AudioManager.VIBRATE_SETTING_ON: |
| return mRingerMode != AudioManager.RINGER_MODE_SILENT; |
| |
| case AudioManager.VIBRATE_SETTING_ONLY_SILENT: |
| return mRingerMode == AudioManager.RINGER_MODE_VIBRATE; |
| |
| case AudioManager.VIBRATE_SETTING_OFF: |
| // return false, even for incoming calls |
| return false; |
| |
| default: |
| return false; |
| } |
| } |
| |
| /** @see AudioManager#getVibrateSetting(int) */ |
| public int getVibrateSetting(int vibrateType) { |
| return (mVibrateSetting >> (vibrateType * 2)) & 3; |
| } |
| |
| /** @see AudioManager#setVibrateSetting(int, int) */ |
| public void setVibrateSetting(int vibrateType, int vibrateSetting) { |
| |
| mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting); |
| |
| // Broadcast change |
| broadcastVibrateSetting(vibrateType); |
| |
| // Post message to set ringer mode (it in turn will post a message |
| // to persist) |
| sendMsg(mAudioHandler, MSG_PERSIST_VIBRATE_SETTING, SHARED_MSG, SENDMSG_NOOP, 0, 0, |
| null, 0); |
| } |
| |
| /** |
| * @see #setVibrateSetting(int, int) |
| */ |
| public static int getValueForVibrateSetting(int existingValue, int vibrateType, |
| int vibrateSetting) { |
| |
| // First clear the existing setting. Each vibrate type has two bits in |
| // the value. Note '3' is '11' in binary. |
| existingValue &= ~(3 << (vibrateType * 2)); |
| |
| // Set into the old value |
| existingValue |= (vibrateSetting & 3) << (vibrateType * 2); |
| |
| return existingValue; |
| } |
| |
| private class SetModeDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| private int mPid; |
| private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client |
| |
| SetModeDeathHandler(IBinder cb, int pid) { |
| mCb = cb; |
| mPid = pid; |
| } |
| |
| public void binderDied() { |
| IBinder newModeOwner = null; |
| synchronized(mSetModeDeathHandlers) { |
| Log.w(TAG, "setMode() client died"); |
| int index = mSetModeDeathHandlers.indexOf(this); |
| if (index < 0) { |
| Log.w(TAG, "unregistered setMode() client died"); |
| } else { |
| newModeOwner = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid); |
| } |
| } |
| // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all |
| // SCO connections not started by the application changing the mode |
| if (newModeOwner != null) { |
| disconnectBluetoothSco(newModeOwner); |
| } |
| } |
| |
| public int getPid() { |
| return mPid; |
| } |
| |
| public void setMode(int mode) { |
| mMode = mode; |
| } |
| |
| public int getMode() { |
| return mMode; |
| } |
| |
| public IBinder getBinder() { |
| return mCb; |
| } |
| } |
| |
| /** @see AudioManager#setMode(int) */ |
| public void setMode(int mode, IBinder cb) { |
| if (!checkAudioSettingsPermission("setMode()")) { |
| return; |
| } |
| |
| if (mode < AudioSystem.MODE_CURRENT || mode >= AudioSystem.NUM_MODES) { |
| return; |
| } |
| |
| IBinder newModeOwner = null; |
| synchronized(mSetModeDeathHandlers) { |
| if (mode == AudioSystem.MODE_CURRENT) { |
| mode = mMode; |
| } |
| newModeOwner = setModeInt(mode, cb, Binder.getCallingPid()); |
| } |
| // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all |
| // SCO connections not started by the application changing the mode |
| if (newModeOwner != null) { |
| disconnectBluetoothSco(newModeOwner); |
| } |
| } |
| |
| // must be called synchronized on mSetModeDeathHandlers |
| // setModeInt() returns a non null IBInder if the audio mode was successfully set to |
| // any mode other than NORMAL. |
| IBinder setModeInt(int mode, IBinder cb, int pid) { |
| IBinder newModeOwner = null; |
| if (cb == null) { |
| Log.e(TAG, "setModeInt() called with null binder"); |
| return newModeOwner; |
| } |
| |
| SetModeDeathHandler hdlr = null; |
| Iterator iter = mSetModeDeathHandlers.iterator(); |
| while (iter.hasNext()) { |
| SetModeDeathHandler h = (SetModeDeathHandler)iter.next(); |
| if (h.getPid() == pid) { |
| hdlr = h; |
| // Remove from client list so that it is re-inserted at top of list |
| iter.remove(); |
| hdlr.getBinder().unlinkToDeath(hdlr, 0); |
| break; |
| } |
| } |
| int status = AudioSystem.AUDIO_STATUS_OK; |
| do { |
| if (mode == AudioSystem.MODE_NORMAL) { |
| // get new mode from client at top the list if any |
| if (!mSetModeDeathHandlers.isEmpty()) { |
| hdlr = mSetModeDeathHandlers.get(0); |
| cb = hdlr.getBinder(); |
| mode = hdlr.getMode(); |
| } |
| } else { |
| if (hdlr == null) { |
| hdlr = new SetModeDeathHandler(cb, pid); |
| } |
| // Register for client death notification |
| try { |
| cb.linkToDeath(hdlr, 0); |
| } catch (RemoteException e) { |
| // Client has died! |
| Log.w(TAG, "setMode() could not link to "+cb+" binder death"); |
| } |
| |
| // Last client to call setMode() is always at top of client list |
| // as required by SetModeDeathHandler.binderDied() |
| mSetModeDeathHandlers.add(0, hdlr); |
| hdlr.setMode(mode); |
| } |
| |
| if (mode != mMode) { |
| status = AudioSystem.setPhoneState(mode); |
| if (status == AudioSystem.AUDIO_STATUS_OK) { |
| // automatically handle audio focus for mode changes |
| handleFocusForCalls(mMode, mode, cb); |
| mMode = mode; |
| } else { |
| if (hdlr != null) { |
| mSetModeDeathHandlers.remove(hdlr); |
| cb.unlinkToDeath(hdlr, 0); |
| } |
| // force reading new top of mSetModeDeathHandlers stack |
| mode = AudioSystem.MODE_NORMAL; |
| } |
| } else { |
| status = AudioSystem.AUDIO_STATUS_OK; |
| } |
| } while (status != AudioSystem.AUDIO_STATUS_OK && !mSetModeDeathHandlers.isEmpty()); |
| |
| if (status == AudioSystem.AUDIO_STATUS_OK) { |
| if (mode != AudioSystem.MODE_NORMAL) { |
| newModeOwner = cb; |
| } |
| int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); |
| int index = mStreamStates[STREAM_VOLUME_ALIAS[streamType]].mIndex; |
| setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, true, false); |
| } |
| return newModeOwner; |
| } |
| |
| /** pre-condition: oldMode != newMode */ |
| private void handleFocusForCalls(int oldMode, int newMode, IBinder cb) { |
| // if ringing |
| if (newMode == AudioSystem.MODE_RINGTONE) { |
| // if not ringing silently |
| int ringVolume = AudioService.this.getStreamVolume(AudioManager.STREAM_RING); |
| if (ringVolume > 0) { |
| // request audio focus for the communication focus entry |
| requestAudioFocus(AudioManager.STREAM_RING, |
| AudioManager.AUDIOFOCUS_GAIN_TRANSIENT, cb, |
| null /* IAudioFocusDispatcher allowed to be null only for this clientId */, |
| IN_VOICE_COMM_FOCUS_ID /*clientId*/, |
| "system"); |
| |
| } |
| } |
| // if entering call |
| else if ((newMode == AudioSystem.MODE_IN_CALL) |
| || (newMode == AudioSystem.MODE_IN_COMMUNICATION)) { |
| // request audio focus for the communication focus entry |
| // (it's ok if focus was already requested during ringing) |
| requestAudioFocus(AudioManager.STREAM_RING, |
| AudioManager.AUDIOFOCUS_GAIN_TRANSIENT, cb, |
| null /* IAudioFocusDispatcher allowed to be null only for this clientId */, |
| IN_VOICE_COMM_FOCUS_ID /*clientId*/, |
| "system"); |
| } |
| // if exiting call |
| else if (newMode == AudioSystem.MODE_NORMAL) { |
| // abandon audio focus for communication focus entry |
| abandonAudioFocus(null, IN_VOICE_COMM_FOCUS_ID); |
| } |
| } |
| |
| /** @see AudioManager#getMode() */ |
| public int getMode() { |
| return mMode; |
| } |
| |
| /** @see AudioManager#playSoundEffect(int) */ |
| public void playSoundEffect(int effectType) { |
| sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SHARED_MSG, SENDMSG_NOOP, |
| effectType, -1, null, 0); |
| } |
| |
| /** @see AudioManager#playSoundEffect(int, float) */ |
| public void playSoundEffectVolume(int effectType, float volume) { |
| loadSoundEffects(); |
| sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SHARED_MSG, SENDMSG_NOOP, |
| effectType, (int) (volume * 1000), null, 0); |
| } |
| |
| /** |
| * Loads samples into the soundpool. |
| * This method must be called at when sound effects are enabled |
| */ |
| public boolean loadSoundEffects() { |
| int status; |
| |
| synchronized (mSoundEffectsLock) { |
| if (!mBootCompleted) { |
| Log.w(TAG, "loadSoundEffects() called before boot complete"); |
| return false; |
| } |
| |
| if (mSoundPool != null) { |
| return true; |
| } |
| mSoundPool = new SoundPool(NUM_SOUNDPOOL_CHANNELS, AudioSystem.STREAM_SYSTEM, 0); |
| if (mSoundPool == null) { |
| Log.w(TAG, "loadSoundEffects() could not allocate sound pool"); |
| return false; |
| } |
| |
| try { |
| mSoundPoolCallBack = null; |
| mSoundPoolListenerThread = new SoundPoolListenerThread(); |
| mSoundPoolListenerThread.start(); |
| // Wait for mSoundPoolCallBack to be set by the other thread |
| mSoundEffectsLock.wait(); |
| } catch (InterruptedException e) { |
| Log.w(TAG, "Interrupted while waiting sound pool listener thread."); |
| } |
| |
| if (mSoundPoolCallBack == null) { |
| Log.w(TAG, "loadSoundEffects() could not create SoundPool listener or thread"); |
| if (mSoundPoolLooper != null) { |
| mSoundPoolLooper.quit(); |
| mSoundPoolLooper = null; |
| } |
| mSoundPoolListenerThread = null; |
| mSoundPool.release(); |
| mSoundPool = null; |
| return false; |
| } |
| /* |
| * poolId table: The value -1 in this table indicates that corresponding |
| * file (same index in SOUND_EFFECT_FILES[] has not been loaded. |
| * Once loaded, the value in poolId is the sample ID and the same |
| * sample can be reused for another effect using the same file. |
| */ |
| int[] poolId = new int[SOUND_EFFECT_FILES.length]; |
| for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { |
| poolId[fileIdx] = -1; |
| } |
| /* |
| * Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded. |
| * If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0: |
| * this indicates we have a valid sample loaded for this effect. |
| */ |
| |
| int lastSample = 0; |
| for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { |
| // Do not load sample if this effect uses the MediaPlayer |
| if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) { |
| continue; |
| } |
| if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) { |
| String filePath = Environment.getRootDirectory() |
| + SOUND_EFFECTS_PATH |
| + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effect][0]]; |
| int sampleId = mSoundPool.load(filePath, 0); |
| if (sampleId <= 0) { |
| Log.w(TAG, "Soundpool could not load file: "+filePath); |
| } else { |
| SOUND_EFFECT_FILES_MAP[effect][1] = sampleId; |
| poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId; |
| lastSample = sampleId; |
| } |
| } else { |
| SOUND_EFFECT_FILES_MAP[effect][1] = poolId[SOUND_EFFECT_FILES_MAP[effect][0]]; |
| } |
| } |
| // wait for all samples to be loaded |
| if (lastSample != 0) { |
| mSoundPoolCallBack.setLastSample(lastSample); |
| |
| try { |
| mSoundEffectsLock.wait(); |
| status = mSoundPoolCallBack.status(); |
| } catch (java.lang.InterruptedException e) { |
| Log.w(TAG, "Interrupted while waiting sound pool callback."); |
| status = -1; |
| } |
| } else { |
| status = -1; |
| } |
| |
| if (mSoundPoolLooper != null) { |
| mSoundPoolLooper.quit(); |
| mSoundPoolLooper = null; |
| } |
| mSoundPoolListenerThread = null; |
| if (status != 0) { |
| Log.w(TAG, |
| "loadSoundEffects(), Error " |
| + ((lastSample != 0) ? mSoundPoolCallBack.status() : -1) |
| + " while loading samples"); |
| for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { |
| if (SOUND_EFFECT_FILES_MAP[effect][1] > 0) { |
| SOUND_EFFECT_FILES_MAP[effect][1] = -1; |
| } |
| } |
| |
| mSoundPool.release(); |
| mSoundPool = null; |
| } |
| } |
| return (status == 0); |
| } |
| |
| /** |
| * Unloads samples from the sound pool. |
| * This method can be called to free some memory when |
| * sound effects are disabled. |
| */ |
| public void unloadSoundEffects() { |
| synchronized (mSoundEffectsLock) { |
| if (mSoundPool == null) { |
| return; |
| } |
| |
| mAudioHandler.removeMessages(MSG_LOAD_SOUND_EFFECTS); |
| mAudioHandler.removeMessages(MSG_PLAY_SOUND_EFFECT); |
| |
| int[] poolId = new int[SOUND_EFFECT_FILES.length]; |
| for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { |
| poolId[fileIdx] = 0; |
| } |
| |
| for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { |
| if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) { |
| continue; |
| } |
| if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) { |
| mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]); |
| SOUND_EFFECT_FILES_MAP[effect][1] = -1; |
| poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1; |
| } |
| } |
| mSoundPool.release(); |
| mSoundPool = null; |
| } |
| } |
| |
| class SoundPoolListenerThread extends Thread { |
| public SoundPoolListenerThread() { |
| super("SoundPoolListenerThread"); |
| } |
| |
| @Override |
| public void run() { |
| |
| Looper.prepare(); |
| mSoundPoolLooper = Looper.myLooper(); |
| |
| synchronized (mSoundEffectsLock) { |
| if (mSoundPool != null) { |
| mSoundPoolCallBack = new SoundPoolCallback(); |
| mSoundPool.setOnLoadCompleteListener(mSoundPoolCallBack); |
| } |
| mSoundEffectsLock.notify(); |
| } |
| Looper.loop(); |
| } |
| } |
| |
| private final class SoundPoolCallback implements |
| android.media.SoundPool.OnLoadCompleteListener { |
| |
| int mStatus; |
| int mLastSample; |
| |
| public int status() { |
| return mStatus; |
| } |
| |
| public void setLastSample(int sample) { |
| mLastSample = sample; |
| } |
| |
| public void onLoadComplete(SoundPool soundPool, int sampleId, int status) { |
| synchronized (mSoundEffectsLock) { |
| if (status != 0) { |
| mStatus = status; |
| } |
| if (sampleId == mLastSample) { |
| mSoundEffectsLock.notify(); |
| } |
| } |
| } |
| } |
| |
| /** @see AudioManager#reloadAudioSettings() */ |
| public void reloadAudioSettings() { |
| // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings |
| readPersistedSettings(); |
| |
| // restore volume settings |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = 0; streamType < numStreamTypes; streamType++) { |
| VolumeStreamState streamState = mStreamStates[streamType]; |
| |
| String settingName = System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[streamType]]; |
| String lastAudibleSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; |
| int index = Settings.System.getInt(mContentResolver, |
| settingName, |
| AudioManager.DEFAULT_STREAM_VOLUME[streamType]); |
| if (STREAM_VOLUME_ALIAS[streamType] != streamType) { |
| index = rescaleIndex(index * 10, STREAM_VOLUME_ALIAS[streamType], streamType); |
| } else { |
| index *= 10; |
| } |
| streamState.mIndex = streamState.getValidIndex(index); |
| |
| index = (index + 5) / 10; |
| index = Settings.System.getInt(mContentResolver, |
| lastAudibleSettingName, |
| (index > 0) ? index : AudioManager.DEFAULT_STREAM_VOLUME[streamType]); |
| if (STREAM_VOLUME_ALIAS[streamType] != streamType) { |
| index = rescaleIndex(index * 10, STREAM_VOLUME_ALIAS[streamType], streamType); |
| } else { |
| index *= 10; |
| } |
| streamState.mLastAudibleIndex = streamState.getValidIndex(index); |
| |
| // unmute stream that was muted but is not affect by mute anymore |
| if (streamState.muteCount() != 0 && !isStreamAffectedByMute(streamType)) { |
| int size = streamState.mDeathHandlers.size(); |
| for (int i = 0; i < size; i++) { |
| streamState.mDeathHandlers.get(i).mMuteCount = 1; |
| streamState.mDeathHandlers.get(i).mute(false); |
| } |
| } |
| // apply stream volume |
| if (streamState.muteCount() == 0) { |
| setStreamVolumeIndex(streamType, streamState.mIndex); |
| } |
| } |
| |
| // apply new ringer mode |
| setRingerModeInt(getRingerMode(), false); |
| } |
| |
| /** @see AudioManager#setSpeakerphoneOn() */ |
| public void setSpeakerphoneOn(boolean on){ |
| if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { |
| return; |
| } |
| mForcedUseForComm = on ? AudioSystem.FORCE_SPEAKER : AudioSystem.FORCE_NONE; |
| |
| sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SHARED_MSG, SENDMSG_QUEUE, |
| AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); |
| } |
| |
| /** @see AudioManager#isSpeakerphoneOn() */ |
| public boolean isSpeakerphoneOn() { |
| return (mForcedUseForComm == AudioSystem.FORCE_SPEAKER); |
| } |
| |
| /** @see AudioManager#setBluetoothScoOn() */ |
| public void setBluetoothScoOn(boolean on){ |
| if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { |
| return; |
| } |
| mForcedUseForComm = on ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE; |
| |
| sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SHARED_MSG, SENDMSG_QUEUE, |
| AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); |
| sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SHARED_MSG, SENDMSG_QUEUE, |
| AudioSystem.FOR_RECORD, mForcedUseForComm, null, 0); |
| } |
| |
| /** @see AudioManager#isBluetoothScoOn() */ |
| public boolean isBluetoothScoOn() { |
| return (mForcedUseForComm == AudioSystem.FORCE_BT_SCO); |
| } |
| |
| /** @see AudioManager#startBluetoothSco() */ |
| public void startBluetoothSco(IBinder cb){ |
| if (!checkAudioSettingsPermission("startBluetoothSco()") || |
| !mBootCompleted) { |
| return; |
| } |
| ScoClient client = getScoClient(cb, true); |
| client.incCount(); |
| } |
| |
| /** @see AudioManager#stopBluetoothSco() */ |
| public void stopBluetoothSco(IBinder cb){ |
| if (!checkAudioSettingsPermission("stopBluetoothSco()") || |
| !mBootCompleted) { |
| return; |
| } |
| ScoClient client = getScoClient(cb, false); |
| if (client != null) { |
| client.decCount(); |
| } |
| } |
| |
| private class ScoClient implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| private int mCreatorPid; |
| private int mStartcount; // number of SCO connections started by this client |
| |
| ScoClient(IBinder cb) { |
| mCb = cb; |
| mCreatorPid = Binder.getCallingPid(); |
| mStartcount = 0; |
| } |
| |
| public void binderDied() { |
| synchronized(mScoClients) { |
| Log.w(TAG, "SCO client died"); |
| int index = mScoClients.indexOf(this); |
| if (index < 0) { |
| Log.w(TAG, "unregistered SCO client died"); |
| } else { |
| clearCount(true); |
| mScoClients.remove(this); |
| } |
| } |
| } |
| |
| public void incCount() { |
| synchronized(mScoClients) { |
| requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED); |
| if (mStartcount == 0) { |
| try { |
| mCb.linkToDeath(this, 0); |
| } catch (RemoteException e) { |
| // client has already died! |
| Log.w(TAG, "ScoClient incCount() could not link to "+mCb+" binder death"); |
| } |
| } |
| mStartcount++; |
| } |
| } |
| |
| public void decCount() { |
| synchronized(mScoClients) { |
| if (mStartcount == 0) { |
| Log.w(TAG, "ScoClient.decCount() already 0"); |
| } else { |
| mStartcount--; |
| if (mStartcount == 0) { |
| try { |
| mCb.unlinkToDeath(this, 0); |
| } catch (NoSuchElementException e) { |
| Log.w(TAG, "decCount() going to 0 but not registered to binder"); |
| } |
| } |
| requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); |
| } |
| } |
| } |
| |
| public void clearCount(boolean stopSco) { |
| synchronized(mScoClients) { |
| if (mStartcount != 0) { |
| try { |
| mCb.unlinkToDeath(this, 0); |
| } catch (NoSuchElementException e) { |
| Log.w(TAG, "clearCount() mStartcount: "+mStartcount+" != 0 but not registered to binder"); |
| } |
| } |
| mStartcount = 0; |
| if (stopSco) { |
| requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); |
| } |
| } |
| } |
| |
| public int getCount() { |
| return mStartcount; |
| } |
| |
| public IBinder getBinder() { |
| return mCb; |
| } |
| |
| public int totalCount() { |
| synchronized(mScoClients) { |
| int count = 0; |
| int size = mScoClients.size(); |
| for (int i = 0; i < size; i++) { |
| count += mScoClients.get(i).getCount(); |
| } |
| return count; |
| } |
| } |
| |
| private void requestScoState(int state) { |
| checkScoAudioState(); |
| if (totalCount() == 0) { |
| if (state == BluetoothHeadset.STATE_AUDIO_CONNECTED) { |
| // Make sure that the state transitions to CONNECTING even if we cannot initiate |
| // the connection. |
| broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTING); |
| // Accept SCO audio activation only in NORMAL audio mode or if the mode is |
| // currently controlled by the same client process. |
| synchronized(mSetModeDeathHandlers) { |
| if ((mSetModeDeathHandlers.isEmpty() || |
| mSetModeDeathHandlers.get(0).getPid() == mCreatorPid) && |
| (mScoAudioState == SCO_STATE_INACTIVE || |
| mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { |
| if (mScoAudioState == SCO_STATE_INACTIVE) { |
| if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { |
| if (mBluetoothHeadset.startScoUsingVirtualVoiceCall( |
| mBluetoothHeadsetDevice)) { |
| mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; |
| } else { |
| broadcastScoConnectionState( |
| AudioManager.SCO_AUDIO_STATE_DISCONNECTED); |
| } |
| } else if (getBluetoothHeadset()) { |
| mScoAudioState = SCO_STATE_ACTIVATE_REQ; |
| } |
| } else { |
| mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; |
| broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED); |
| } |
| } else { |
| broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); |
| } |
| } |
| } else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED && |
| (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || |
| mScoAudioState == SCO_STATE_ACTIVATE_REQ)) { |
| if (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL) { |
| if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { |
| if (!mBluetoothHeadset.stopScoUsingVirtualVoiceCall( |
| mBluetoothHeadsetDevice)) { |
| mScoAudioState = SCO_STATE_INACTIVE; |
| broadcastScoConnectionState( |
| AudioManager.SCO_AUDIO_STATE_DISCONNECTED); |
| } |
| } else if (getBluetoothHeadset()) { |
| mScoAudioState = SCO_STATE_DEACTIVATE_REQ; |
| } |
| } else { |
| mScoAudioState = SCO_STATE_INACTIVE; |
| broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); |
| } |
| } |
| } |
| } |
| } |
| |
| private void checkScoAudioState() { |
| if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null && |
| mScoAudioState == SCO_STATE_INACTIVE && |
| mBluetoothHeadset.getAudioState(mBluetoothHeadsetDevice) |
| != BluetoothHeadset.STATE_AUDIO_DISCONNECTED) { |
| mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; |
| } |
| } |
| |
| private ScoClient getScoClient(IBinder cb, boolean create) { |
| synchronized(mScoClients) { |
| ScoClient client = null; |
| int size = mScoClients.size(); |
| for (int i = 0; i < size; i++) { |
| client = mScoClients.get(i); |
| if (client.getBinder() == cb) |
| return client; |
| } |
| if (create) { |
| client = new ScoClient(cb); |
| mScoClients.add(client); |
| } |
| return client; |
| } |
| } |
| |
| public void clearAllScoClients(IBinder exceptBinder, boolean stopSco) { |
| synchronized(mScoClients) { |
| ScoClient savedClient = null; |
| int size = mScoClients.size(); |
| for (int i = 0; i < size; i++) { |
| ScoClient cl = mScoClients.get(i); |
| if (cl.getBinder() != exceptBinder) { |
| cl.clearCount(stopSco); |
| } else { |
| savedClient = cl; |
| } |
| } |
| mScoClients.clear(); |
| if (savedClient != null) { |
| mScoClients.add(savedClient); |
| } |
| } |
| } |
| |
| private boolean getBluetoothHeadset() { |
| boolean result = false; |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null) { |
| result = adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, |
| BluetoothProfile.HEADSET); |
| } |
| // If we could not get a bluetooth headset proxy, send a failure message |
| // without delay to reset the SCO audio state and clear SCO clients. |
| // If we could get a proxy, send a delayed failure message that will reset our state |
| // in case we don't receive onServiceConnected(). |
| sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 0, |
| SENDMSG_REPLACE, 0, 0, null, result ? BT_HEADSET_CNCT_TIMEOUT_MS : 0); |
| return result; |
| } |
| |
| private void disconnectBluetoothSco(IBinder exceptBinder) { |
| synchronized(mScoClients) { |
| checkScoAudioState(); |
| if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL || |
| mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { |
| if (mBluetoothHeadsetDevice != null) { |
| if (mBluetoothHeadset != null) { |
| if (!mBluetoothHeadset.stopVoiceRecognition( |
| mBluetoothHeadsetDevice)) { |
| sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 0, |
| SENDMSG_REPLACE, 0, 0, null, 0); |
| } |
| } else if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL && |
| getBluetoothHeadset()) { |
| mScoAudioState = SCO_STATE_DEACTIVATE_EXT_REQ; |
| } |
| } |
| } else { |
| clearAllScoClients(exceptBinder, true); |
| } |
| } |
| } |
| |
| private void resetBluetoothSco() { |
| synchronized(mScoClients) { |
| clearAllScoClients(null, false); |
| mScoAudioState = SCO_STATE_INACTIVE; |
| broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); |
| } |
| } |
| |
| private void broadcastScoConnectionState(int state) { |
| if (state != mScoConnectionState) { |
| Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED); |
| newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state); |
| newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_PREVIOUS_STATE, |
| mScoConnectionState); |
| mContext.sendStickyBroadcast(newIntent); |
| mScoConnectionState = state; |
| } |
| } |
| |
| private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener = |
| new BluetoothProfile.ServiceListener() { |
| public void onServiceConnected(int profile, BluetoothProfile proxy) { |
| synchronized (mScoClients) { |
| // Discard timeout message |
| mAudioHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED); |
| mBluetoothHeadset = (BluetoothHeadset) proxy; |
| List<BluetoothDevice> deviceList = mBluetoothHeadset.getConnectedDevices(); |
| if (deviceList.size() > 0) { |
| mBluetoothHeadsetDevice = deviceList.get(0); |
| } else { |
| mBluetoothHeadsetDevice = null; |
| } |
| // Refresh SCO audio state |
| checkScoAudioState(); |
| // Continue pending action if any |
| if (mScoAudioState == SCO_STATE_ACTIVATE_REQ || |
| mScoAudioState == SCO_STATE_DEACTIVATE_REQ || |
| mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { |
| boolean status = false; |
| if (mBluetoothHeadsetDevice != null) { |
| switch (mScoAudioState) { |
| case SCO_STATE_ACTIVATE_REQ: |
| mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; |
| status = mBluetoothHeadset.startScoUsingVirtualVoiceCall( |
| mBluetoothHeadsetDevice); |
| break; |
| case SCO_STATE_DEACTIVATE_REQ: |
| status = mBluetoothHeadset.stopScoUsingVirtualVoiceCall( |
| mBluetoothHeadsetDevice); |
| break; |
| case SCO_STATE_DEACTIVATE_EXT_REQ: |
| status = mBluetoothHeadset.stopVoiceRecognition( |
| mBluetoothHeadsetDevice); |
| } |
| } |
| if (!status) { |
| sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 0, |
| SENDMSG_REPLACE, 0, 0, null, 0); |
| } |
| } |
| } |
| } |
| public void onServiceDisconnected(int profile) { |
| synchronized (mScoClients) { |
| mBluetoothHeadset = null; |
| } |
| } |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Internal methods |
| /////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Checks if the adjustment should change ringer mode instead of just |
| * adjusting volume. If so, this will set the proper ringer mode and volume |
| * indices on the stream states. |
| */ |
| private boolean checkForRingerModeChange(int oldIndex, int direction) { |
| boolean adjustVolumeIndex = true; |
| int newRingerMode = mRingerMode; |
| int uiIndex = (oldIndex + 5) / 10; |
| |
| if (mRingerMode == AudioManager.RINGER_MODE_NORMAL) { |
| if ((direction == AudioManager.ADJUST_LOWER) && (uiIndex <= 1)) { |
| // enter silent mode if current index is the last audible one and not repeating a |
| // volume key down |
| if (mPrevVolDirection != AudioManager.ADJUST_LOWER) { |
| // "silent mode", but which one? |
| newRingerMode = System.getInt(mContentResolver, System.VIBRATE_IN_SILENT, 1) == 1 |
| ? AudioManager.RINGER_MODE_VIBRATE |
| : AudioManager.RINGER_MODE_SILENT; |
| } |
| if (uiIndex == 0) { |
| adjustVolumeIndex = false; |
| } |
| } |
| } else { |
| if (direction == AudioManager.ADJUST_RAISE) { |
| // exiting silent mode |
| newRingerMode = AudioManager.RINGER_MODE_NORMAL; |
| if (uiIndex != 0) { |
| adjustVolumeIndex = false; |
| } |
| } else { |
| // prevent last audible index to reach 0 |
| adjustVolumeIndex = false; |
| } |
| } |
| |
| if (newRingerMode != mRingerMode) { |
| setRingerMode(newRingerMode); |
| } |
| |
| mPrevVolDirection = direction; |
| |
| return adjustVolumeIndex; |
| } |
| |
| public boolean isStreamAffectedByRingerMode(int streamType) { |
| return (mRingerModeAffectedStreams & (1 << streamType)) != 0; |
| } |
| |
| private boolean isStreamMutedByRingerMode(int streamType) { |
| return (mRingerModeMutedStreams & (1 << streamType)) != 0; |
| } |
| |
| public boolean isStreamAffectedByMute(int streamType) { |
| return (mMuteAffectedStreams & (1 << streamType)) != 0; |
| } |
| |
| private void ensureValidDirection(int direction) { |
| if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) { |
| throw new IllegalArgumentException("Bad direction " + direction); |
| } |
| } |
| |
| private void ensureValidStreamType(int streamType) { |
| if (streamType < 0 || streamType >= mStreamStates.length) { |
| throw new IllegalArgumentException("Bad stream type " + streamType); |
| } |
| } |
| |
| private int getActiveStreamType(int suggestedStreamType) { |
| |
| if (mVoiceCapable) { |
| boolean isOffhook = false; |
| try { |
| ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); |
| if (phone != null) isOffhook = phone.isOffhook(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Couldn't connect to phone service", e); |
| } |
| |
| if (isOffhook || getMode() == AudioManager.MODE_IN_COMMUNICATION) { |
| if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) |
| == AudioSystem.FORCE_BT_SCO) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); |
| return AudioSystem.STREAM_BLUETOOTH_SCO; |
| } else { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); |
| return AudioSystem.STREAM_VOICE_CALL; |
| } |
| } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC..."); |
| return AudioSystem.STREAM_MUSIC; |
| } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING..." |
| // + " b/c USE_DEFAULT_STREAM_TYPE..."); |
| return AudioSystem.STREAM_RING; |
| } else { |
| // Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); |
| return suggestedStreamType; |
| } |
| } else { |
| if (getMode() == AudioManager.MODE_IN_COMMUNICATION) { |
| if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) |
| == AudioSystem.FORCE_BT_SCO) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); |
| return AudioSystem.STREAM_BLUETOOTH_SCO; |
| } else { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); |
| return AudioSystem.STREAM_VOICE_CALL; |
| } |
| } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_NOTIFICATION, |
| NOTIFICATION_VOLUME_DELAY_MS) || |
| AudioSystem.isStreamActive(AudioSystem.STREAM_RING, |
| NOTIFICATION_VOLUME_DELAY_MS)) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION..."); |
| return AudioSystem.STREAM_NOTIFICATION; |
| } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0) || |
| (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE)) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC " |
| // + " b/c USE_DEFAULT_STREAM_TYPE..."); |
| return AudioSystem.STREAM_MUSIC; |
| } else { |
| // Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); |
| return suggestedStreamType; |
| } |
| } |
| } |
| |
| private void broadcastRingerMode() { |
| // Send sticky broadcast |
| Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION); |
| broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, mRingerMode); |
| broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
| | Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| long origCallerIdentityToken = Binder.clearCallingIdentity(); |
| mContext.sendStickyBroadcast(broadcast); |
| Binder.restoreCallingIdentity(origCallerIdentityToken); |
| } |
| |
| private void broadcastVibrateSetting(int vibrateType) { |
| // Send broadcast |
| if (ActivityManagerNative.isSystemReady()) { |
| Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); |
| broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); |
| broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); |
| mContext.sendBroadcast(broadcast); |
| } |
| } |
| |
| // Message helper methods |
| private static int getMsg(int baseMsg, int streamType) { |
| return (baseMsg & 0xffff) | streamType << 16; |
| } |
| |
| private static int getMsgBase(int msg) { |
| return msg & 0xffff; |
| } |
| |
| private static void sendMsg(Handler handler, int baseMsg, int streamType, |
| int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { |
| int msg = (streamType == SHARED_MSG) ? baseMsg : getMsg(baseMsg, streamType); |
| |
| if (existingMsgPolicy == SENDMSG_REPLACE) { |
| handler.removeMessages(msg); |
| } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { |
| return; |
| } |
| |
| handler |
| .sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); |
| } |
| |
| boolean checkAudioSettingsPermission(String method) { |
| if (mContext.checkCallingOrSelfPermission("android.permission.MODIFY_AUDIO_SETTINGS") |
| == PackageManager.PERMISSION_GRANTED) { |
| return true; |
| } |
| String msg = "Audio Settings Permission Denial: " + method + " from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid(); |
| Log.w(TAG, msg); |
| return false; |
| } |
| |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Inner classes |
| /////////////////////////////////////////////////////////////////////////// |
| |
| public class VolumeStreamState { |
| private final int mStreamType; |
| |
| private String mVolumeIndexSettingName; |
| private String mLastAudibleVolumeIndexSettingName; |
| private int mIndexMax; |
| private int mIndex; |
| private int mLastAudibleIndex; |
| private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo requests client death |
| |
| private VolumeStreamState(String settingName, int streamType) { |
| |
| setVolumeIndexSettingName(settingName); |
| |
| mStreamType = streamType; |
| |
| final ContentResolver cr = mContentResolver; |
| mIndexMax = MAX_STREAM_VOLUME[streamType]; |
| mIndex = Settings.System.getInt(cr, |
| mVolumeIndexSettingName, |
| AudioManager.DEFAULT_STREAM_VOLUME[streamType]); |
| mLastAudibleIndex = Settings.System.getInt(cr, |
| mLastAudibleVolumeIndexSettingName, |
| (mIndex > 0) ? mIndex : AudioManager.DEFAULT_STREAM_VOLUME[streamType]); |
| AudioSystem.initStreamVolume(streamType, 0, mIndexMax); |
| mIndexMax *= 10; |
| mIndex = getValidIndex(10 * mIndex); |
| mLastAudibleIndex = getValidIndex(10 * mLastAudibleIndex); |
| setStreamVolumeIndex(streamType, mIndex); |
| mDeathHandlers = new ArrayList<VolumeDeathHandler>(); |
| } |
| |
| public void setVolumeIndexSettingName(String settingName) { |
| mVolumeIndexSettingName = settingName; |
| mLastAudibleVolumeIndexSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; |
| } |
| |
| public boolean adjustIndex(int deltaIndex) { |
| return setIndex(mIndex + deltaIndex * 10, true); |
| } |
| |
| public boolean setIndex(int index, boolean lastAudible) { |
| int oldIndex = mIndex; |
| mIndex = getValidIndex(index); |
| |
| if (oldIndex != mIndex) { |
| if (lastAudible) { |
| mLastAudibleIndex = mIndex; |
| } |
| // Apply change to all streams using this one as alias |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| if (streamType != mStreamType && STREAM_VOLUME_ALIAS[streamType] == mStreamType) { |
| mStreamStates[streamType].setIndex(rescaleIndex(mIndex, mStreamType, streamType), lastAudible); |
| } |
| } |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| public void setLastAudibleIndex(int index) { |
| mLastAudibleIndex = getValidIndex(index); |
| } |
| |
| public void adjustLastAudibleIndex(int deltaIndex) { |
| setLastAudibleIndex(mLastAudibleIndex + deltaIndex * 10); |
| } |
| |
| public int getMaxIndex() { |
| return mIndexMax; |
| } |
| |
| public void mute(IBinder cb, boolean state) { |
| VolumeDeathHandler handler = getDeathHandler(cb, state); |
| if (handler == null) { |
| Log.e(TAG, "Could not get client death handler for stream: "+mStreamType); |
| return; |
| } |
| handler.mute(state); |
| } |
| |
| private int getValidIndex(int index) { |
| if (index < 0) { |
| return 0; |
| } else if (index > mIndexMax) { |
| return mIndexMax; |
| } |
| |
| return index; |
| } |
| |
| private class VolumeDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mICallback; // To be notified of client's death |
| private int mMuteCount; // Number of active mutes for this client |
| |
| VolumeDeathHandler(IBinder cb) { |
| mICallback = cb; |
| } |
| |
| public void mute(boolean state) { |
| synchronized(mDeathHandlers) { |
| if (state) { |
| if (mMuteCount == 0) { |
| // Register for client death notification |
| try { |
| // mICallback can be 0 if muted by AudioService |
| if (mICallback != null) { |
| mICallback.linkToDeath(this, 0); |
| } |
| mDeathHandlers.add(this); |
| // If the stream is not yet muted by any client, set lvel to 0 |
| if (muteCount() == 0) { |
| setIndex(0, false); |
| sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, mStreamType, SENDMSG_NOOP, 0, 0, |
| VolumeStreamState.this, 0); |
| } |
| } catch (RemoteException e) { |
| // Client has died! |
| binderDied(); |
| mDeathHandlers.notify(); |
| return; |
| } |
| } else { |
| Log.w(TAG, "stream: "+mStreamType+" was already muted by this client"); |
| } |
| mMuteCount++; |
| } else { |
| if (mMuteCount == 0) { |
| Log.e(TAG, "unexpected unmute for stream: "+mStreamType); |
| } else { |
| mMuteCount--; |
| if (mMuteCount == 0) { |
| // Unregistr from client death notification |
| mDeathHandlers.remove(this); |
| // mICallback can be 0 if muted by AudioService |
| if (mICallback != null) { |
| mICallback.unlinkToDeath(this, 0); |
| } |
| if (muteCount() == 0) { |
| // If the stream is not muted any more, restore it's volume if |
| // ringer mode allows it |
| if (!isStreamAffectedByRingerMode(mStreamType) || mRingerMode == AudioManager.RINGER_MODE_NORMAL) { |
| setIndex(mLastAudibleIndex, false); |
| sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, mStreamType, SENDMSG_NOOP, 0, 0, |
| VolumeStreamState.this, 0); |
| } |
| } |
| } |
| } |
| } |
| mDeathHandlers.notify(); |
| } |
| } |
| |
| public void binderDied() { |
| Log.w(TAG, "Volume service client died for stream: "+mStreamType); |
| if (mMuteCount != 0) { |
| // Reset all active mute requests from this client. |
| mMuteCount = 1; |
| mute(false); |
| } |
| } |
| } |
| |
| private int muteCount() { |
| int count = 0; |
| int size = mDeathHandlers.size(); |
| for (int i = 0; i < size; i++) { |
| count += mDeathHandlers.get(i).mMuteCount; |
| } |
| return count; |
| } |
| |
| private VolumeDeathHandler getDeathHandler(IBinder cb, boolean state) { |
| synchronized(mDeathHandlers) { |
| VolumeDeathHandler handler; |
| int size = mDeathHandlers.size(); |
| for (int i = 0; i < size; i++) { |
| handler = mDeathHandlers.get(i); |
| if (cb == handler.mICallback) { |
| return handler; |
| } |
| } |
| // If this is the first mute request for this client, create a new |
| // client death handler. Otherwise, it is an out of sequence unmute request. |
| if (state) { |
| handler = new VolumeDeathHandler(cb); |
| } else { |
| Log.w(TAG, "stream was not muted by this client"); |
| handler = null; |
| } |
| return handler; |
| } |
| } |
| } |
| |
| /** Thread that handles native AudioSystem control. */ |
| private class AudioSystemThread extends Thread { |
| AudioSystemThread() { |
| super("AudioService"); |
| } |
| |
| @Override |
| public void run() { |
| // Set this thread up so the handler will work on it |
| Looper.prepare(); |
| |
| synchronized(AudioService.this) { |
| mAudioHandler = new AudioHandler(); |
| |
| // Notify that the handler has been created |
| AudioService.this.notify(); |
| } |
| |
| // Listen for volume change requests that are set by VolumePanel |
| Looper.loop(); |
| } |
| } |
| |
| /** Handles internal volume messages in separate volume thread. */ |
| private class AudioHandler extends Handler { |
| |
| private void setSystemVolume(VolumeStreamState streamState) { |
| |
| // Adjust volume |
| setStreamVolumeIndex(streamState.mStreamType, streamState.mIndex); |
| |
| // Apply change to all streams using this one as alias |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| if (streamType != streamState.mStreamType && |
| STREAM_VOLUME_ALIAS[streamType] == streamState.mStreamType) { |
| setStreamVolumeIndex(streamType, mStreamStates[streamType].mIndex); |
| } |
| } |
| |
| // Post a persist volume msg |
| sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, streamState.mStreamType, |
| SENDMSG_REPLACE, 1, 1, streamState, PERSIST_DELAY); |
| } |
| |
| private void persistVolume(VolumeStreamState streamState, boolean current, boolean lastAudible) { |
| if (current) { |
| System.putInt(mContentResolver, streamState.mVolumeIndexSettingName, |
| (streamState.mIndex + 5)/ 10); |
| } |
| if (lastAudible) { |
| System.putInt(mContentResolver, streamState.mLastAudibleVolumeIndexSettingName, |
| (streamState.mLastAudibleIndex + 5) / 10); |
| } |
| } |
| |
| private void persistRingerMode() { |
| System.putInt(mContentResolver, System.MODE_RINGER, mRingerMode); |
| } |
| |
| private void persistVibrateSetting() { |
| System.putInt(mContentResolver, System.VIBRATE_ON, mVibrateSetting); |
| } |
| |
| private void playSoundEffect(int effectType, int volume) { |
| synchronized (mSoundEffectsLock) { |
| if (mSoundPool == null) { |
| return; |
| } |
| float volFloat; |
| // use default if volume is not specified by caller |
| if (volume < 0) { |
| volFloat = (float)Math.pow(10, SOUND_EFFECT_VOLUME_DB/20); |
| } else { |
| volFloat = (float) volume / 1000.0f; |
| } |
| |
| if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) { |
| mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1], volFloat, volFloat, 0, 0, 1.0f); |
| } else { |
| MediaPlayer mediaPlayer = new MediaPlayer(); |
| if (mediaPlayer != null) { |
| try { |
| String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effectType][0]]; |
| mediaPlayer.setDataSource(filePath); |
| mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM); |
| mediaPlayer.prepare(); |
| mediaPlayer.setVolume(volFloat, volFloat); |
| mediaPlayer.setOnCompletionListener(new OnCompletionListener() { |
| public void onCompletion(MediaPlayer mp) { |
| cleanupPlayer(mp); |
| } |
| }); |
| mediaPlayer.setOnErrorListener(new OnErrorListener() { |
| public boolean onError(MediaPlayer mp, int what, int extra) { |
| cleanupPlayer(mp); |
| return true; |
| } |
| }); |
| mediaPlayer.start(); |
| } catch (IOException ex) { |
| Log.w(TAG, "MediaPlayer IOException: "+ex); |
| } catch (IllegalArgumentException ex) { |
| Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex); |
| } catch (IllegalStateException ex) { |
| Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); |
| } |
| } |
| } |
| } |
| } |
| |
| private void persistMediaButtonReceiver(ComponentName receiver) { |
| Settings.System.putString(mContentResolver, Settings.System.MEDIA_BUTTON_RECEIVER, |
| receiver == null ? "" : receiver.flattenToString()); |
| } |
| |
| private void cleanupPlayer(MediaPlayer mp) { |
| if (mp != null) { |
| try { |
| mp.stop(); |
| mp.release(); |
| } catch (IllegalStateException ex) { |
| Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); |
| } |
| } |
| } |
| |
| private void setForceUse(int usage, int config) { |
| AudioSystem.setForceUse(usage, config); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| int baseMsgWhat = getMsgBase(msg.what); |
| |
| switch (baseMsgWhat) { |
| |
| case MSG_SET_SYSTEM_VOLUME: |
| setSystemVolume((VolumeStreamState) msg.obj); |
| break; |
| |
| case MSG_PERSIST_VOLUME: |
| persistVolume((VolumeStreamState) msg.obj, (msg.arg1 != 0), (msg.arg2 != 0)); |
| break; |
| |
| case MSG_PERSIST_RINGER_MODE: |
| persistRingerMode(); |
| break; |
| |
| case MSG_PERSIST_VIBRATE_SETTING: |
| persistVibrateSetting(); |
| break; |
| |
| case MSG_MEDIA_SERVER_DIED: |
| if (!mMediaServerOk) { |
| Log.e(TAG, "Media server died."); |
| // Force creation of new IAudioFlinger interface so that we are notified |
| // when new media_server process is back to life. |
| AudioSystem.setErrorCallback(mAudioSystemCallback); |
| sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SHARED_MSG, SENDMSG_NOOP, 0, 0, |
| null, 500); |
| } |
| break; |
| |
| case MSG_MEDIA_SERVER_STARTED: |
| Log.e(TAG, "Media server started."); |
| // indicate to audio HAL that we start the reconfiguration phase after a media |
| // server crash |
| // Note that MSG_MEDIA_SERVER_STARTED message is only received when the media server |
| // process restarts after a crash, not the first time it is started. |
| AudioSystem.setParameters("restarting=true"); |
| |
| // Restore device connection states |
| Set set = mConnectedDevices.entrySet(); |
| Iterator i = set.iterator(); |
| while(i.hasNext()){ |
| Map.Entry device = (Map.Entry)i.next(); |
| AudioSystem.setDeviceConnectionState(((Integer)device.getKey()).intValue(), |
| AudioSystem.DEVICE_STATE_AVAILABLE, |
| (String)device.getValue()); |
| } |
| |
| // Restore call state |
| AudioSystem.setPhoneState(mMode); |
| |
| // Restore forced usage for communcations and record |
| AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm); |
| AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm); |
| |
| // Restore stream volumes |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| int index; |
| VolumeStreamState streamState = mStreamStates[streamType]; |
| AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10); |
| if (streamState.muteCount() == 0) { |
| index = streamState.mIndex; |
| } else { |
| index = 0; |
| } |
| setStreamVolumeIndex(streamType, index); |
| } |
| |
| // Restore ringer mode |
| setRingerModeInt(getRingerMode(), false); |
| |
| // indicate the end of reconfiguration phase to audio HAL |
| AudioSystem.setParameters("restarting=false"); |
| break; |
| |
| case MSG_LOAD_SOUND_EFFECTS: |
| loadSoundEffects(); |
| break; |
| |
| case MSG_PLAY_SOUND_EFFECT: |
| playSoundEffect(msg.arg1, msg.arg2); |
| break; |
| |
| case MSG_BTA2DP_DOCK_TIMEOUT: |
| // msg.obj == address of BTA2DP device |
| makeA2dpDeviceUnavailableNow( (String) msg.obj ); |
| break; |
| |
| case MSG_SET_FORCE_USE: |
| setForceUse(msg.arg1, msg.arg2); |
| break; |
| |
| case MSG_PERSIST_MEDIABUTTONRECEIVER: |
| persistMediaButtonReceiver( (ComponentName) msg.obj ); |
| break; |
| |
| case MSG_RCDISPLAY_CLEAR: |
| onRcDisplayClear(); |
| break; |
| |
| case MSG_RCDISPLAY_UPDATE: |
| // msg.obj is guaranteed to be non null |
| onRcDisplayUpdate( (RemoteControlStackEntry) msg.obj, msg.arg1); |
| break; |
| |
| case MSG_BT_HEADSET_CNCT_FAILED: |
| resetBluetoothSco(); |
| break; |
| } |
| } |
| } |
| |
| private class SettingsObserver extends ContentObserver { |
| |
| SettingsObserver() { |
| super(new Handler()); |
| mContentResolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| super.onChange(selfChange); |
| synchronized (mSettingsLock) { |
| int ringerModeAffectedStreams = Settings.System.getInt(mContentResolver, |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED, |
| ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| |
| (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); |
| if (mVoiceCapable) { |
| ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); |
| } else { |
| ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); |
| } |
| if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { |
| /* |
| * Ensure all stream types that should be affected by ringer mode |
| * are in the proper state. |
| */ |
| mRingerModeAffectedStreams = ringerModeAffectedStreams; |
| setRingerModeInt(getRingerMode(), false); |
| } |
| } |
| } |
| } |
| |
| private void makeA2dpDeviceAvailable(String address) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, |
| AudioSystem.DEVICE_STATE_AVAILABLE, |
| address); |
| // Reset A2DP suspend state each time a new sink is connected |
| AudioSystem.setParameters("A2dpSuspended=false"); |
| mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP), |
| address); |
| } |
| |
| private void makeA2dpDeviceUnavailableNow(String address) { |
| Intent noisyIntent = new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY); |
| mContext.sendBroadcast(noisyIntent); |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, |
| address); |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); |
| } |
| |
| private void makeA2dpDeviceUnavailableLater(String address) { |
| // prevent any activity on the A2DP audio output to avoid unwanted |
| // reconnection of the sink. |
| AudioSystem.setParameters("A2dpSuspended=true"); |
| // the device will be made unavailable later, so consider it disconnected right away |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); |
| // send the delayed message to make the device unavailable later |
| Message msg = mAudioHandler.obtainMessage(MSG_BTA2DP_DOCK_TIMEOUT, address); |
| mAudioHandler.sendMessageDelayed(msg, BTA2DP_DOCK_TIMEOUT_MILLIS); |
| |
| } |
| |
| private void cancelA2dpDeviceTimeout() { |
| mAudioHandler.removeMessages(MSG_BTA2DP_DOCK_TIMEOUT); |
| } |
| |
| private boolean hasScheduledA2dpDockTimeout() { |
| return mAudioHandler.hasMessages(MSG_BTA2DP_DOCK_TIMEOUT); |
| } |
| |
| /* cache of the address of the last dock the device was connected to */ |
| private String mDockAddress; |
| |
| /** |
| * Receiver for misc intent broadcasts the Phone app cares about. |
| */ |
| private class AudioServiceBroadcastReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| |
| if (action.equals(Intent.ACTION_DOCK_EVENT)) { |
| int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, |
| Intent.EXTRA_DOCK_STATE_UNDOCKED); |
| int config; |
| switch (dockState) { |
| case Intent.EXTRA_DOCK_STATE_DESK: |
| config = AudioSystem.FORCE_BT_DESK_DOCK; |
| break; |
| case Intent.EXTRA_DOCK_STATE_CAR: |
| config = AudioSystem.FORCE_BT_CAR_DOCK; |
| break; |
| case Intent.EXTRA_DOCK_STATE_LE_DESK: |
| config = AudioSystem.FORCE_ANALOG_DOCK; |
| break; |
| case Intent.EXTRA_DOCK_STATE_HE_DESK: |
| config = AudioSystem.FORCE_DIGITAL_DOCK; |
| break; |
| case Intent.EXTRA_DOCK_STATE_UNDOCKED: |
| default: |
| config = AudioSystem.FORCE_NONE; |
| } |
| AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config); |
| } else if (action.equals(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED)) { |
| int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, |
| BluetoothProfile.STATE_DISCONNECTED); |
| BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| if (btDevice == null) { |
| return; |
| } |
| String address = btDevice.getAddress(); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| address = ""; |
| } |
| boolean isConnected = |
| (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) && |
| mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP).equals(address)); |
| |
| if (isConnected && state != BluetoothProfile.STATE_CONNECTED) { |
| if (btDevice.isBluetoothDock()) { |
| if (state == BluetoothProfile.STATE_DISCONNECTED) { |
| // introduction of a delay for transient disconnections of docks when |
| // power is rapidly turned off/on, this message will be canceled if |
| // we reconnect the dock under a preset delay |
| makeA2dpDeviceUnavailableLater(address); |
| // the next time isConnected is evaluated, it will be false for the dock |
| } |
| } else { |
| makeA2dpDeviceUnavailableNow(address); |
| } |
| } else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) { |
| if (btDevice.isBluetoothDock()) { |
| // this could be a reconnection after a transient disconnection |
| cancelA2dpDeviceTimeout(); |
| mDockAddress = address; |
| } else { |
| // this could be a connection of another A2DP device before the timeout of |
| // a dock: cancel the dock timeout, and make the dock unavailable now |
| if(hasScheduledA2dpDockTimeout()) { |
| cancelA2dpDeviceTimeout(); |
| makeA2dpDeviceUnavailableNow(mDockAddress); |
| } |
| } |
| makeA2dpDeviceAvailable(address); |
| } |
| } else if (action.equals(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED)) { |
| int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, |
| BluetoothProfile.STATE_DISCONNECTED); |
| int device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; |
| String address = null; |
| |
| BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| if (btDevice == null) { |
| return; |
| } |
| |
| address = btDevice.getAddress(); |
| BluetoothClass btClass = btDevice.getBluetoothClass(); |
| if (btClass != null) { |
| switch (btClass.getDeviceClass()) { |
| case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: |
| case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE: |
| device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; |
| break; |
| case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO: |
| device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; |
| break; |
| } |
| } |
| |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| address = ""; |
| } |
| boolean isConnected = (mConnectedDevices.containsKey(device) && |
| mConnectedDevices.get(device).equals(address)); |
| |
| synchronized (mScoClients) { |
| if (isConnected && state != BluetoothProfile.STATE_CONNECTED) { |
| AudioSystem.setDeviceConnectionState(device, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, |
| address); |
| mConnectedDevices.remove(device); |
| mBluetoothHeadsetDevice = null; |
| resetBluetoothSco(); |
| } else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) { |
| AudioSystem.setDeviceConnectionState(device, |
| AudioSystem.DEVICE_STATE_AVAILABLE, |
| address); |
| mConnectedDevices.put(new Integer(device), address); |
| mBluetoothHeadsetDevice = btDevice; |
| } |
| } |
| } else if (action.equals(Intent.ACTION_HEADSET_PLUG)) { |
| int state = intent.getIntExtra("state", 0); |
| int microphone = intent.getIntExtra("microphone", 0); |
| |
| if (microphone != 0) { |
| boolean isConnected = |
| mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADSET); |
| if (state == 0 && isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, |
| ""); |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADSET); |
| } else if (state == 1 && !isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, |
| AudioSystem.DEVICE_STATE_AVAILABLE, |
| ""); |
| mConnectedDevices.put( |
| new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADSET), ""); |
| } |
| } else { |
| boolean isConnected = |
| mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); |
| if (state == 0 && isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, |
| ""); |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); |
| } else if (state == 1 && !isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, |
| AudioSystem.DEVICE_STATE_AVAILABLE, |
| ""); |
| mConnectedDevices.put( |
| new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE), ""); |
| } |
| } |
| } else if (action.equals(Intent.ACTION_USB_ANLG_HEADSET_PLUG)) { |
| int state = intent.getIntExtra("state", 0); |
| Log.v(TAG, "Broadcast Receiver: Got ACTION_USB_ANLG_HEADSET_PLUG, state = "+state); |
| boolean isConnected = |
| mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET); |
| if (state == 0 && isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, ""); |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET); |
| } else if (state == 1 && !isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET, |
| AudioSystem.DEVICE_STATE_AVAILABLE, ""); |
| mConnectedDevices.put( |
| new Integer(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET), ""); |
| } |
| } else if (action.equals(Intent.ACTION_HDMI_AUDIO_PLUG)) { |
| int state = intent.getIntExtra("state", 0); |
| Log.v(TAG, "Broadcast Receiver: Got ACTION_HDMI_AUDIO_PLUG, state = "+state); |
| boolean isConnected = |
| mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_AUX_DIGITAL); |
| if (state == 0 && isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_AUX_DIGITAL, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, ""); |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_AUX_DIGITAL); |
| } else if (state == 1 && !isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_AUX_DIGITAL, |
| AudioSystem.DEVICE_STATE_AVAILABLE, ""); |
| mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_AUX_DIGITAL), ""); |
| } |
| } else if (action.equals(Intent.ACTION_USB_DGTL_HEADSET_PLUG)) { |
| int state = intent.getIntExtra("state", 0); |
| Log.v(TAG, "Broadcast Receiver: Got ACTION_USB_DGTL_HEADSET_PLUG, state = "+state); |
| boolean isConnected = |
| mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET); |
| if (state == 0 && isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET, |
| AudioSystem.DEVICE_STATE_UNAVAILABLE, ""); |
| mConnectedDevices.remove(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET); |
| } else if (state == 1 && !isConnected) { |
| AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET, |
| AudioSystem.DEVICE_STATE_AVAILABLE, ""); |
| mConnectedDevices.put( |
| new Integer(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET), ""); |
| } |
| } else if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { |
| boolean broadcast = false; |
| int state = AudioManager.SCO_AUDIO_STATE_ERROR; |
| synchronized (mScoClients) { |
| int btState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1); |
| // broadcast intent if the connection was initated by AudioService |
| if (!mScoClients.isEmpty() && |
| (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || |
| mScoAudioState == SCO_STATE_ACTIVATE_REQ || |
| mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { |
| broadcast = true; |
| } |
| switch (btState) { |
| case BluetoothHeadset.STATE_AUDIO_CONNECTED: |
| state = AudioManager.SCO_AUDIO_STATE_CONNECTED; |
| if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && |
| mScoAudioState != SCO_STATE_DEACTIVATE_REQ && |
| mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { |
| mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; |
| } |
| break; |
| case BluetoothHeadset.STATE_AUDIO_DISCONNECTED: |
| state = AudioManager.SCO_AUDIO_STATE_DISCONNECTED; |
| mScoAudioState = SCO_STATE_INACTIVE; |
| clearAllScoClients(null, false); |
| break; |
| case BluetoothHeadset.STATE_AUDIO_CONNECTING: |
| if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && |
| mScoAudioState != SCO_STATE_DEACTIVATE_REQ && |
| mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { |
| mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; |
| } |
| default: |
| // do not broadcast CONNECTING or invalid state |
| broadcast = false; |
| break; |
| } |
| } |
| if (broadcast) { |
| broadcastScoConnectionState(state); |
| //FIXME: this is to maintain compatibility with deprecated intent |
| // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. |
| Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); |
| newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state); |
| mContext.sendStickyBroadcast(newIntent); |
| } |
| } else if (action.equals(Intent.ACTION_BOOT_COMPLETED)) { |
| mBootCompleted = true; |
| sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SHARED_MSG, SENDMSG_NOOP, |
| 0, 0, null, 0); |
| |
| mKeyguardManager = |
| (KeyguardManager)mContext.getSystemService(Context.KEYGUARD_SERVICE); |
| mScoConnectionState = AudioManager.SCO_AUDIO_STATE_ERROR; |
| resetBluetoothSco(); |
| getBluetoothHeadset(); |
| //FIXME: this is to maintain compatibility with deprecated intent |
| // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. |
| Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); |
| newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, |
| AudioManager.SCO_AUDIO_STATE_DISCONNECTED); |
| mContext.sendStickyBroadcast(newIntent); |
| } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)) { |
| if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| // a package is being removed, not replaced |
| String packageName = intent.getData().getSchemeSpecificPart(); |
| if (packageName != null) { |
| removeMediaButtonReceiverForPackage(packageName); |
| } |
| } |
| } |
| } |
| } |
| |
| //========================================================================================== |
| // AudioFocus |
| //========================================================================================== |
| |
| /* constant to identify focus stack entry that is used to hold the focus while the phone |
| * is ringing or during a call |
| */ |
| private final static String IN_VOICE_COMM_FOCUS_ID = "AudioFocus_For_Phone_Ring_And_Calls"; |
| |
| private final static Object mAudioFocusLock = new Object(); |
| |
| private final static Object mRingingLock = new Object(); |
| |
| private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { |
| @Override |
| public void onCallStateChanged(int state, String incomingNumber) { |
| if (state == TelephonyManager.CALL_STATE_RINGING) { |
| //Log.v(TAG, " CALL_STATE_RINGING"); |
| synchronized(mRingingLock) { |
| mIsRinging = true; |
| } |
| } else if ((state == TelephonyManager.CALL_STATE_OFFHOOK) |
| || (state == TelephonyManager.CALL_STATE_IDLE)) { |
| synchronized(mRingingLock) { |
| mIsRinging = false; |
| } |
| } |
| } |
| }; |
| |
| private void notifyTopOfAudioFocusStack() { |
| // notify the top of the stack it gained focus |
| if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { |
| if (canReassignAudioFocus()) { |
| try { |
| mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( |
| AudioManager.AUDIOFOCUS_GAIN, mFocusStack.peek().mClientId); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failure to signal gain of audio control focus due to "+ e); |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| |
| private static class FocusStackEntry { |
| public int mStreamType = -1;// no stream type |
| public IAudioFocusDispatcher mFocusDispatcher = null; |
| public IBinder mSourceRef = null; |
| public String mClientId; |
| public int mFocusChangeType; |
| public AudioFocusDeathHandler mHandler; |
| public String mPackageName; |
| public int mCallingUid; |
| |
| public FocusStackEntry() { |
| } |
| |
| public FocusStackEntry(int streamType, int duration, |
| IAudioFocusDispatcher afl, IBinder source, String id, AudioFocusDeathHandler hdlr, |
| String pn, int uid) { |
| mStreamType = streamType; |
| mFocusDispatcher = afl; |
| mSourceRef = source; |
| mClientId = id; |
| mFocusChangeType = duration; |
| mHandler = hdlr; |
| mPackageName = pn; |
| mCallingUid = uid; |
| } |
| |
| public void unlinkToDeath() { |
| if (mSourceRef != null && mHandler != null) { |
| mSourceRef.unlinkToDeath(mHandler, 0); |
| } |
| } |
| } |
| |
| private Stack<FocusStackEntry> mFocusStack = new Stack<FocusStackEntry>(); |
| |
| /** |
| * Helper function: |
| * Display in the log the current entries in the audio focus stack |
| */ |
| private void dumpFocusStack(PrintWriter pw) { |
| pw.println("\nAudio Focus stack entries:"); |
| synchronized(mAudioFocusLock) { |
| Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); |
| while(stackIterator.hasNext()) { |
| FocusStackEntry fse = stackIterator.next(); |
| pw.println(" source:" + fse.mSourceRef + " -- client: " + fse.mClientId |
| + " -- duration: " + fse.mFocusChangeType |
| + " -- uid: " + fse.mCallingUid); |
| } |
| } |
| } |
| |
| /** |
| * Helper function: |
| * Called synchronized on mAudioFocusLock |
| * Remove a focus listener from the focus stack. |
| * @param focusListenerToRemove the focus listener |
| * @param signal if true and the listener was at the top of the focus stack, i.e. it was holding |
| * focus, notify the next item in the stack it gained focus. |
| */ |
| private void removeFocusStackEntry(String clientToRemove, boolean signal) { |
| // is the current top of the focus stack abandoning focus? (because of death or request) |
| if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientToRemove)) |
| { |
| //Log.i(TAG, " removeFocusStackEntry() removing top of stack"); |
| FocusStackEntry fse = mFocusStack.pop(); |
| fse.unlinkToDeath(); |
| if (signal) { |
| // notify the new top of the stack it gained focus |
| notifyTopOfAudioFocusStack(); |
| // there's a new top of the stack, let the remote control know |
| synchronized(mRCStack) { |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| } |
| } else { |
| // focus is abandoned by a client that's not at the top of the stack, |
| // no need to update focus. |
| Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); |
| while(stackIterator.hasNext()) { |
| FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); |
| if(fse.mClientId.equals(clientToRemove)) { |
| Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " |
| + fse.mClientId); |
| stackIterator.remove(); |
| fse.unlinkToDeath(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Helper function: |
| * Called synchronized on mAudioFocusLock |
| * Remove focus listeners from the focus stack for a particular client. |
| */ |
| private void removeFocusStackEntryForClient(IBinder cb) { |
| // is the owner of the audio focus part of the client to remove? |
| boolean isTopOfStackForClientToRemove = !mFocusStack.isEmpty() && |
| mFocusStack.peek().mSourceRef.equals(cb); |
| Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); |
| while(stackIterator.hasNext()) { |
| FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); |
| if(fse.mSourceRef.equals(cb)) { |
| Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " |
| + fse.mClientId); |
| stackIterator.remove(); |
| } |
| } |
| if (isTopOfStackForClientToRemove) { |
| // we removed an entry at the top of the stack: |
| // notify the new top of the stack it gained focus. |
| notifyTopOfAudioFocusStack(); |
| // there's a new top of the stack, let the remote control know |
| synchronized(mRCStack) { |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| } |
| } |
| |
| /** |
| * Helper function: |
| * Returns true if the system is in a state where the focus can be reevaluated, false otherwise. |
| */ |
| private boolean canReassignAudioFocus() { |
| // focus requests are rejected during a phone call or when the phone is ringing |
| // this is equivalent to IN_VOICE_COMM_FOCUS_ID having the focus |
| if (!mFocusStack.isEmpty() && IN_VOICE_COMM_FOCUS_ID.equals(mFocusStack.peek().mClientId)) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Inner class to monitor audio focus client deaths, and remove them from the audio focus |
| * stack if necessary. |
| */ |
| private class AudioFocusDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| |
| AudioFocusDeathHandler(IBinder cb) { |
| mCb = cb; |
| } |
| |
| public void binderDied() { |
| synchronized(mAudioFocusLock) { |
| Log.w(TAG, " AudioFocus audio focus client died"); |
| removeFocusStackEntryForClient(mCb); |
| } |
| } |
| |
| public IBinder getBinder() { |
| return mCb; |
| } |
| } |
| |
| |
| /** @see AudioManager#requestAudioFocus(IAudioFocusDispatcher, int, int) */ |
| public int requestAudioFocus(int mainStreamType, int focusChangeHint, IBinder cb, |
| IAudioFocusDispatcher fd, String clientId, String callingPackageName) { |
| Log.i(TAG, " AudioFocus requestAudioFocus() from " + clientId); |
| // the main stream type for the audio focus request is currently not used. It may |
| // potentially be used to handle multiple stream type-dependent audio focuses. |
| |
| // we need a valid binder callback for clients |
| if (!cb.pingBinder()) { |
| Log.e(TAG, " AudioFocus DOA client for requestAudioFocus(), aborting."); |
| return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| } |
| |
| synchronized(mAudioFocusLock) { |
| if (!canReassignAudioFocus()) { |
| return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| } |
| |
| // handle the potential premature death of the new holder of the focus |
| // (premature death == death before abandoning focus) |
| // Register for client death notification |
| AudioFocusDeathHandler afdh = new AudioFocusDeathHandler(cb); |
| try { |
| cb.linkToDeath(afdh, 0); |
| } catch (RemoteException e) { |
| // client has already died! |
| Log.w(TAG, "AudioFocus requestAudioFocus() could not link to "+cb+" binder death"); |
| return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| } |
| |
| if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientId)) { |
| // if focus is already owned by this client and the reason for acquiring the focus |
| // hasn't changed, don't do anything |
| if (mFocusStack.peek().mFocusChangeType == focusChangeHint) { |
| return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| } |
| // the reason for the audio focus request has changed: remove the current top of |
| // stack and respond as if we had a new focus owner |
| mFocusStack.pop(); |
| } |
| |
| // notify current top of stack it is losing focus |
| if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { |
| try { |
| mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( |
| -1 * focusChangeHint, // loss and gain codes are inverse of each other |
| mFocusStack.peek().mClientId); |
| } catch (RemoteException e) { |
| Log.e(TAG, " Failure to signal loss of focus due to "+ e); |
| e.printStackTrace(); |
| } |
| } |
| |
| // focus requester might already be somewhere below in the stack, remove it |
| removeFocusStackEntry(clientId, false /* signal */); |
| |
| // push focus requester at the top of the audio focus stack |
| mFocusStack.push(new FocusStackEntry(mainStreamType, focusChangeHint, fd, cb, |
| clientId, afdh, callingPackageName, Binder.getCallingUid())); |
| |
| // there's a new top of the stack, let the remote control know |
| synchronized(mRCStack) { |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| }//synchronized(mAudioFocusLock) |
| |
| return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| } |
| |
| /** @see AudioManager#abandonAudioFocus(IAudioFocusDispatcher) */ |
| public int abandonAudioFocus(IAudioFocusDispatcher fl, String clientId) { |
| Log.i(TAG, " AudioFocus abandonAudioFocus() from " + clientId); |
| try { |
| // this will take care of notifying the new focus owner if needed |
| synchronized(mAudioFocusLock) { |
| removeFocusStackEntry(clientId, true); |
| } |
| } catch (java.util.ConcurrentModificationException cme) { |
| // Catching this exception here is temporary. It is here just to prevent |
| // a crash seen when the "Silent" notification is played. This is believed to be fixed |
| // but this try catch block is left just to be safe. |
| Log.e(TAG, "FATAL EXCEPTION AudioFocus abandonAudioFocus() caused " + cme); |
| cme.printStackTrace(); |
| } |
| |
| return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| } |
| |
| |
| public void unregisterAudioFocusClient(String clientId) { |
| synchronized(mAudioFocusLock) { |
| removeFocusStackEntry(clientId, false); |
| } |
| } |
| |
| |
| //========================================================================================== |
| // RemoteControl |
| //========================================================================================== |
| /** |
| * Receiver for media button intents. Handles the dispatching of the media button event |
| * to one of the registered listeners, or if there was none, resumes the intent broadcast |
| * to the rest of the system. |
| */ |
| private class MediaButtonBroadcastReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (!Intent.ACTION_MEDIA_BUTTON.equals(action)) { |
| return; |
| } |
| KeyEvent event = (KeyEvent) intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT); |
| if (event != null) { |
| // if in a call or ringing, do not break the current phone app behavior |
| // TODO modify this to let the phone app specifically get the RC focus |
| // add modify the phone app to take advantage of the new API |
| synchronized(mRingingLock) { |
| if (mIsRinging || (getMode() == AudioSystem.MODE_IN_CALL) || |
| (getMode() == AudioSystem.MODE_IN_COMMUNICATION) || |
| (getMode() == AudioSystem.MODE_RINGTONE) ) { |
| return; |
| } |
| } |
| synchronized(mRCStack) { |
| if (!mRCStack.empty()) { |
| // create a new intent specifically aimed at the current registered listener |
| Intent targetedIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); |
| targetedIntent.putExtras(intent.getExtras()); |
| targetedIntent.setComponent(mRCStack.peek().mReceiverComponent); |
| // trap the current broadcast |
| abortBroadcast(); |
| //Log.v(TAG, " Sending intent" + targetedIntent); |
| context.sendBroadcast(targetedIntent, null); |
| } |
| } |
| } |
| } |
| } |
| |
| private final Object mCurrentRcLock = new Object(); |
| /** |
| * The one remote control client which will receive a request for display information. |
| * This object may be null. |
| * Access protected by mCurrentRcLock. |
| */ |
| private IRemoteControlClient mCurrentRcClient = null; |
| |
| private final static int RC_INFO_NONE = 0; |
| private final static int RC_INFO_ALL = |
| RemoteControlClient.FLAG_INFORMATION_REQUEST_ALBUM_ART | |
| RemoteControlClient.FLAG_INFORMATION_REQUEST_KEY_MEDIA | |
| RemoteControlClient.FLAG_INFORMATION_REQUEST_METADATA | |
| RemoteControlClient.FLAG_INFORMATION_REQUEST_PLAYSTATE; |
| |
| /** |
| * A monotonically increasing generation counter for mCurrentRcClient. |
| * Only accessed with a lock on mCurrentRcLock. |
| * No value wrap-around issues as we only act on equal values. |
| */ |
| private int mCurrentRcClientGen = 0; |
| |
| /** |
| * Inner class to monitor remote control client deaths, and remove the client for the |
| * remote control stack if necessary. |
| */ |
| private class RcClientDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| private ComponentName mRcEventReceiver; |
| |
| RcClientDeathHandler(IBinder cb, ComponentName eventReceiver) { |
| mCb = cb; |
| mRcEventReceiver = eventReceiver; |
| } |
| |
| public void binderDied() { |
| Log.w(TAG, " RemoteControlClient died"); |
| // remote control client died, make sure the displays don't use it anymore |
| // by setting its remote control client to null |
| registerRemoteControlClient(mRcEventReceiver, null, null, null/*ignored*/); |
| } |
| |
| public IBinder getBinder() { |
| return mCb; |
| } |
| } |
| |
| private static class RemoteControlStackEntry { |
| /** the target for the ACTION_MEDIA_BUTTON events */ |
| public ComponentName mReceiverComponent;// always non null |
| public String mCallingPackageName; |
| public String mRcClientName; |
| public int mCallingUid; |
| |
| /** provides access to the information to display on the remote control */ |
| public IRemoteControlClient mRcClient; |
| public RcClientDeathHandler mRcClientDeathHandler; |
| |
| public RemoteControlStackEntry(ComponentName r) { |
| mReceiverComponent = r; |
| mCallingUid = -1; |
| mRcClient = null; |
| } |
| |
| public void unlinkToRcClientDeath() { |
| if ((mRcClientDeathHandler != null) && (mRcClientDeathHandler.mCb != null)) { |
| try { |
| mRcClientDeathHandler.mCb.unlinkToDeath(mRcClientDeathHandler, 0); |
| } catch (java.util.NoSuchElementException e) { |
| // not much we can do here |
| Log.e(TAG, "Encountered " + e + " in unlinkToRcClientDeath()"); |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * The stack of remote control event receivers. |
| * Code sections and methods that modify the remote control event receiver stack are |
| * synchronized on mRCStack, but also BEFORE on mFocusLock as any change in either |
| * stack, audio focus or RC, can lead to a change in the remote control display |
| */ |
| private Stack<RemoteControlStackEntry> mRCStack = new Stack<RemoteControlStackEntry>(); |
| |
| /** |
| * Helper function: |
| * Display in the log the current entries in the remote control focus stack |
| */ |
| private void dumpRCStack(PrintWriter pw) { |
| pw.println("\nRemote Control stack entries:"); |
| synchronized(mRCStack) { |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = stackIterator.next(); |
| pw.println(" receiver: " + rcse.mReceiverComponent + |
| " -- client: " + rcse.mRcClient + |
| " -- uid: " + rcse.mCallingUid); |
| } |
| } |
| } |
| |
| /** |
| * Helper function: |
| * Remove any entry in the remote control stack that has the same package name as packageName |
| * Pre-condition: packageName != null |
| */ |
| private void removeMediaButtonReceiverForPackage(String packageName) { |
| synchronized(mRCStack) { |
| if (mRCStack.empty()) { |
| return; |
| } else { |
| RemoteControlStackEntry oldTop = mRCStack.peek(); |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| // iterate over the stack entries |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); |
| if (packageName.equalsIgnoreCase(rcse.mReceiverComponent.getPackageName())) { |
| // a stack entry is from the package being removed, remove it from the stack |
| stackIterator.remove(); |
| } |
| } |
| if (mRCStack.empty()) { |
| // no saved media button receiver |
| mAudioHandler.sendMessage( |
| mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, |
| null)); |
| return; |
| } else if (oldTop != mRCStack.peek()) { |
| // the top of the stack has changed, save it in the system settings |
| // by posting a message to persist it |
| mAudioHandler.sendMessage( |
| mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, |
| mRCStack.peek().mReceiverComponent)); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Helper function: |
| * Restore remote control receiver from the system settings |
| */ |
| private void restoreMediaButtonReceiver() { |
| String receiverName = Settings.System.getString(mContentResolver, |
| Settings.System.MEDIA_BUTTON_RECEIVER); |
| if ((null != receiverName) && !receiverName.isEmpty()) { |
| ComponentName receiverComponentName = ComponentName.unflattenFromString(receiverName); |
| registerMediaButtonEventReceiver(receiverComponentName); |
| } |
| // upon restoring (e.g. after boot), do we want to refresh all remotes? |
| } |
| |
| /** |
| * Helper function: |
| * Set the new remote control receiver at the top of the RC focus stack |
| */ |
| private void pushMediaButtonReceiver(ComponentName newReceiver) { |
| // already at top of stack? |
| if (!mRCStack.empty() && mRCStack.peek().mReceiverComponent.equals(newReceiver)) { |
| return; |
| } |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| RemoteControlStackEntry rcse = null; |
| boolean wasInsideStack = false; |
| while(stackIterator.hasNext()) { |
| rcse = (RemoteControlStackEntry)stackIterator.next(); |
| if(rcse.mReceiverComponent.equals(newReceiver)) { |
| wasInsideStack = true; |
| stackIterator.remove(); |
| break; |
| } |
| } |
| if (!wasInsideStack) { |
| rcse = new RemoteControlStackEntry(newReceiver); |
| } |
| mRCStack.push(rcse); |
| |
| // post message to persist the default media button receiver |
| mAudioHandler.sendMessage( mAudioHandler.obtainMessage( |
| MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, newReceiver/*obj*/) ); |
| } |
| |
| /** |
| * Helper function: |
| * Remove the remote control receiver from the RC focus stack |
| */ |
| private void removeMediaButtonReceiver(ComponentName newReceiver) { |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); |
| if(rcse.mReceiverComponent.equals(newReceiver)) { |
| stackIterator.remove(); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Helper function: |
| * Called synchronized on mRCStack |
| */ |
| private boolean isCurrentRcController(ComponentName eventReceiver) { |
| if (!mRCStack.empty() && mRCStack.peek().mReceiverComponent.equals(eventReceiver)) { |
| return true; |
| } |
| return false; |
| } |
| |
| //========================================================================================== |
| // Remote control display / client |
| //========================================================================================== |
| /** |
| * Update the remote control displays with the new "focused" client generation |
| */ |
| private void setNewRcClientOnDisplays_syncRcsCurrc(int newClientGeneration, |
| ComponentName newClientEventReceiver, boolean clearing) { |
| // NOTE: Only one IRemoteControlDisplay supported in this implementation |
| if (mRcDisplay != null) { |
| try { |
| mRcDisplay.setCurrentClientId( |
| newClientGeneration, newClientEventReceiver, clearing); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead display in setNewRcClientOnDisplays_syncRcsCurrc() "+e); |
| // if we had a display before, stop monitoring its death |
| rcDisplay_stopDeathMonitor_syncRcStack(); |
| mRcDisplay = null; |
| } |
| } |
| } |
| |
| /** |
| * Update the remote control clients with the new "focused" client generation |
| */ |
| private void setNewRcClientGenerationOnClients_syncRcsCurrc(int newClientGeneration) { |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry se = stackIterator.next(); |
| if ((se != null) && (se.mRcClient != null)) { |
| try { |
| se.mRcClient.setCurrentClientGenerationId(newClientGeneration); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Dead client in setNewRcClientGenerationOnClients_syncRcsCurrc()"+e); |
| stackIterator.remove(); |
| se.unlinkToRcClientDeath(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Update the displays and clients with the new "focused" client generation and name |
| * @param newClientGeneration the new generation value matching a client update |
| * @param newClientEventReceiver the media button event receiver associated with the client. |
| * May be null, which implies there is no registered media button event receiver. |
| * @param clearing true if the new client generation value maps to a remote control update |
| * where the display should be cleared. |
| */ |
| private void setNewRcClient_syncRcsCurrc(int newClientGeneration, |
| ComponentName newClientEventReceiver, boolean clearing) { |
| // send the new valid client generation ID to all displays |
| setNewRcClientOnDisplays_syncRcsCurrc(newClientGeneration, newClientEventReceiver, |
| clearing); |
| // send the new valid client generation ID to all clients |
| setNewRcClientGenerationOnClients_syncRcsCurrc(newClientGeneration); |
| } |
| |
| /** |
| * Called when processing MSG_RCDISPLAY_CLEAR event |
| */ |
| private void onRcDisplayClear() { |
| if (DEBUG_RC) Log.i(TAG, "Clear remote control display"); |
| |
| synchronized(mRCStack) { |
| synchronized(mCurrentRcLock) { |
| mCurrentRcClientGen++; |
| // synchronously update the displays and clients with the new client generation |
| setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, |
| null /*event receiver*/, true /*clearing*/); |
| } |
| } |
| } |
| |
| /** |
| * Called when processing MSG_RCDISPLAY_UPDATE event |
| */ |
| private void onRcDisplayUpdate(RemoteControlStackEntry rcse, int flags /* USED ?*/) { |
| synchronized(mRCStack) { |
| synchronized(mCurrentRcLock) { |
| if ((mCurrentRcClient != null) && (mCurrentRcClient.equals(rcse.mRcClient))) { |
| if (DEBUG_RC) Log.i(TAG, "Display/update remote control "); |
| |
| mCurrentRcClientGen++; |
| // synchronously update the displays and clients with |
| // the new client generation |
| setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, |
| rcse.mReceiverComponent /*event receiver*/, |
| false /*clearing*/); |
| |
| // tell the current client that it needs to send info |
| try { |
| mCurrentRcClient.onInformationRequested(mCurrentRcClientGen, |
| flags, mArtworkExpectedWidth, mArtworkExpectedHeight); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Current valid remote client is dead: "+e); |
| mCurrentRcClient = null; |
| } |
| } else { |
| // the remote control display owner has changed between the |
| // the message to update the display was sent, and the time it |
| // gets to be processed (now) |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Helper function: |
| * Called synchronized on mRCStack |
| */ |
| private void clearRemoteControlDisplay_syncAfRcs() { |
| synchronized(mCurrentRcLock) { |
| mCurrentRcClient = null; |
| } |
| // will cause onRcDisplayClear() to be called in AudioService's handler thread |
| mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_CLEAR) ); |
| } |
| |
| /** |
| * Helper function for code readability: only to be called from |
| * checkUpdateRemoteControlDisplay_syncAfRcs() which checks the preconditions for |
| * this method. |
| * Preconditions: |
| * - called synchronized mAudioFocusLock then on mRCStack |
| * - mRCStack.isEmpty() is false |
| */ |
| private void updateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { |
| RemoteControlStackEntry rcse = mRCStack.peek(); |
| int infoFlagsAboutToBeUsed = infoChangedFlags; |
| // this is where we enforce opt-in for information display on the remote controls |
| // with the new AudioManager.registerRemoteControlClient() API |
| if (rcse.mRcClient == null) { |
| //Log.w(TAG, "Can't update remote control display with null remote control client"); |
| clearRemoteControlDisplay_syncAfRcs(); |
| return; |
| } |
| synchronized(mCurrentRcLock) { |
| if (!rcse.mRcClient.equals(mCurrentRcClient)) { |
| // new RC client, assume every type of information shall be queried |
| infoFlagsAboutToBeUsed = RC_INFO_ALL; |
| } |
| mCurrentRcClient = rcse.mRcClient; |
| } |
| // will cause onRcDisplayUpdate() to be called in AudioService's handler thread |
| mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_UPDATE, |
| infoFlagsAboutToBeUsed /* arg1 */, 0, rcse /* obj, != null */) ); |
| } |
| |
| /** |
| * Helper function: |
| * Called synchronized on mAudioFocusLock, then mRCStack |
| * Check whether the remote control display should be updated, triggers the update if required |
| * @param infoChangedFlags the flags corresponding to the remote control client information |
| * that has changed, if applicable (checking for the update conditions might trigger a |
| * clear, rather than an update event). |
| */ |
| private void checkUpdateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { |
| // determine whether the remote control display should be refreshed |
| // if either stack is empty, there is a mismatch, so clear the RC display |
| if (mRCStack.isEmpty() || mFocusStack.isEmpty()) { |
| clearRemoteControlDisplay_syncAfRcs(); |
| return; |
| } |
| // if the top of the two stacks belong to different packages, there is a mismatch, clear |
| if ((mRCStack.peek().mCallingPackageName != null) |
| && (mFocusStack.peek().mPackageName != null) |
| && !(mRCStack.peek().mCallingPackageName.compareTo( |
| mFocusStack.peek().mPackageName) == 0)) { |
| clearRemoteControlDisplay_syncAfRcs(); |
| return; |
| } |
| // if the audio focus didn't originate from the same Uid as the one in which the remote |
| // control information will be retrieved, clear |
| if (mRCStack.peek().mCallingUid != mFocusStack.peek().mCallingUid) { |
| clearRemoteControlDisplay_syncAfRcs(); |
| return; |
| } |
| // refresh conditions were verified: update the remote controls |
| // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty |
| updateRemoteControlDisplay_syncAfRcs(infoChangedFlags); |
| } |
| |
| /** see AudioManager.registerMediaButtonEventReceiver(ComponentName eventReceiver) */ |
| public void registerMediaButtonEventReceiver(ComponentName eventReceiver) { |
| Log.i(TAG, " Remote Control registerMediaButtonEventReceiver() for " + eventReceiver); |
| |
| synchronized(mAudioFocusLock) { |
| synchronized(mRCStack) { |
| pushMediaButtonReceiver(eventReceiver); |
| // new RC client, assume every type of information shall be queried |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| } |
| } |
| |
| /** see AudioManager.unregisterMediaButtonEventReceiver(ComponentName eventReceiver) */ |
| public void unregisterMediaButtonEventReceiver(ComponentName eventReceiver) { |
| Log.i(TAG, " Remote Control unregisterMediaButtonEventReceiver() for " + eventReceiver); |
| |
| synchronized(mAudioFocusLock) { |
| synchronized(mRCStack) { |
| boolean topOfStackWillChange = isCurrentRcController(eventReceiver); |
| removeMediaButtonReceiver(eventReceiver); |
| if (topOfStackWillChange) { |
| // current RC client will change, assume every type of info needs to be queried |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| } |
| } |
| } |
| |
| /** see AudioManager.registerRemoteControlClient(ComponentName eventReceiver, ...) */ |
| public void registerRemoteControlClient(ComponentName eventReceiver, |
| IRemoteControlClient rcClient, String clientName, String callingPackageName) { |
| if (DEBUG_RC) Log.i(TAG, "Register remote control client rcClient="+rcClient); |
| synchronized(mAudioFocusLock) { |
| synchronized(mRCStack) { |
| // store the new display information |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = stackIterator.next(); |
| if(rcse.mReceiverComponent.equals(eventReceiver)) { |
| // already had a remote control client? |
| if (rcse.mRcClientDeathHandler != null) { |
| // stop monitoring the old client's death |
| rcse.unlinkToRcClientDeath(); |
| } |
| // save the new remote control client |
| rcse.mRcClient = rcClient; |
| if (mRcDisplay != null) { |
| try { |
| rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error connecting remote control display to client: "+e); |
| e.printStackTrace(); |
| } |
| } |
| rcse.mCallingPackageName = callingPackageName; |
| rcse.mRcClientName = clientName; |
| rcse.mCallingUid = Binder.getCallingUid(); |
| if (rcClient == null) { |
| rcse.mRcClientDeathHandler = null; |
| break; |
| } |
| // monitor the new client's death |
| IBinder b = rcClient.asBinder(); |
| RcClientDeathHandler rcdh = |
| new RcClientDeathHandler(b, rcse.mReceiverComponent); |
| try { |
| b.linkToDeath(rcdh, 0); |
| } catch (RemoteException e) { |
| // remote control client is DOA, disqualify it |
| Log.w(TAG, "registerRemoteControlClient() has a dead client " + b); |
| rcse.mRcClient = null; |
| } |
| rcse.mRcClientDeathHandler = rcdh; |
| break; |
| } |
| } |
| // if the eventReceiver is at the top of the stack |
| // then check for potential refresh of the remote controls |
| if (isCurrentRcController(eventReceiver)) { |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| } |
| } |
| } |
| |
| /** |
| * see AudioManager.unregisterRemoteControlClient(ComponentName eventReceiver, ...) |
| * rcClient is guaranteed non-null |
| */ |
| public void unregisterRemoteControlClient(ComponentName eventReceiver, |
| IRemoteControlClient rcClient) { |
| synchronized(mAudioFocusLock) { |
| synchronized(mRCStack) { |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = stackIterator.next(); |
| if ((rcse.mReceiverComponent.equals(eventReceiver)) |
| && rcClient.equals(rcse.mRcClient)) { |
| // we found the IRemoteControlClient to unregister |
| // stop monitoring its death |
| rcse.unlinkToRcClientDeath(); |
| // reset the client-related fields |
| rcse.mRcClient = null; |
| rcse.mRcClientName = null; |
| rcse.mRcClientDeathHandler = null; |
| rcse.mCallingPackageName = null; |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * The remote control displays. |
| * Access synchronized on mRCStack |
| * NOTE: Only one IRemoteControlDisplay supported in this implementation |
| */ |
| private IRemoteControlDisplay mRcDisplay; |
| private RcDisplayDeathHandler mRcDisplayDeathHandler; |
| private int mArtworkExpectedWidth = -1; |
| private int mArtworkExpectedHeight = -1; |
| /** |
| * Inner class to monitor remote control display deaths, and unregister them from the list |
| * of displays if necessary. |
| */ |
| private class RcDisplayDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| |
| public RcDisplayDeathHandler(IBinder b) { |
| if (DEBUG_RC) Log.i(TAG, "new RcDisplayDeathHandler for "+b); |
| mCb = b; |
| } |
| |
| public void binderDied() { |
| synchronized(mRCStack) { |
| Log.w(TAG, "RemoteControl: display died"); |
| mRcDisplay = null; |
| } |
| } |
| |
| public void unlinkToRcDisplayDeath() { |
| if (DEBUG_RC) Log.i(TAG, "unlinkToRcDisplayDeath for "+mCb); |
| try { |
| mCb.unlinkToDeath(this, 0); |
| } catch (java.util.NoSuchElementException e) { |
| // not much we can do here, the display was being unregistered anyway |
| Log.e(TAG, "Encountered " + e + " in unlinkToRcDisplayDeath()"); |
| e.printStackTrace(); |
| } |
| } |
| |
| } |
| |
| private void rcDisplay_stopDeathMonitor_syncRcStack() { |
| if (mRcDisplay != null) { // implies (mRcDisplayDeathHandler != null) |
| // we had a display before, stop monitoring its death |
| mRcDisplayDeathHandler.unlinkToRcDisplayDeath(); |
| } |
| } |
| |
| private void rcDisplay_startDeathMonitor_syncRcStack() { |
| if (mRcDisplay != null) { |
| // new non-null display, monitor its death |
| IBinder b = mRcDisplay.asBinder(); |
| mRcDisplayDeathHandler = new RcDisplayDeathHandler(b); |
| try { |
| b.linkToDeath(mRcDisplayDeathHandler, 0); |
| } catch (RemoteException e) { |
| // remote control display is DOA, disqualify it |
| Log.w(TAG, "registerRemoteControlDisplay() has a dead client " + b); |
| mRcDisplay = null; |
| } |
| } |
| } |
| |
| /** |
| * Register an IRemoteControlDisplay. |
| * Notify all IRemoteControlClient of the new display and cause the RemoteControlClient |
| * at the top of the stack to update the new display with its information. |
| * Since only one IRemoteControlDisplay is supported, this will unregister the previous display. |
| * @param rcd the IRemoteControlDisplay to register. No effect if null. |
| */ |
| public void registerRemoteControlDisplay(IRemoteControlDisplay rcd) { |
| if (DEBUG_RC) Log.d(TAG, ">>> registerRemoteControlDisplay("+rcd+")"); |
| synchronized(mAudioFocusLock) { |
| synchronized(mRCStack) { |
| if ((mRcDisplay == rcd) || (rcd == null)) { |
| return; |
| } |
| // if we had a display before, stop monitoring its death |
| rcDisplay_stopDeathMonitor_syncRcStack(); |
| mRcDisplay = rcd; |
| // new display, start monitoring its death |
| rcDisplay_startDeathMonitor_syncRcStack(); |
| |
| // let all the remote control clients there is a new display |
| // no need to unplug the previous because we only support one display |
| // and the clients don't track the death of the display |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = stackIterator.next(); |
| if(rcse.mRcClient != null) { |
| try { |
| rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error connecting remote control display to client: " + e); |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| // we have a new display, of which all the clients are now aware: have it be updated |
| checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); |
| } |
| } |
| } |
| |
| /** |
| * Unregister an IRemoteControlDisplay. |
| * Since only one IRemoteControlDisplay is supported, this has no effect if the one to |
| * unregister is not the current one. |
| * @param rcd the IRemoteControlDisplay to unregister. No effect if null. |
| */ |
| public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { |
| if (DEBUG_RC) Log.d(TAG, "<<< unregisterRemoteControlDisplay("+rcd+")"); |
| synchronized(mRCStack) { |
| // only one display here, so you can only unregister the current display |
| if ((rcd == null) || (rcd != mRcDisplay)) { |
| if (DEBUG_RC) Log.w(TAG, " trying to unregister unregistered RCD"); |
| return; |
| } |
| // if we had a display before, stop monitoring its death |
| rcDisplay_stopDeathMonitor_syncRcStack(); |
| mRcDisplay = null; |
| |
| // disconnect this remote control display from all the clients |
| Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); |
| while(stackIterator.hasNext()) { |
| RemoteControlStackEntry rcse = stackIterator.next(); |
| if(rcse.mRcClient != null) { |
| try { |
| rcse.mRcClient.unplugRemoteControlDisplay(rcd); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error disconnecting remote control display to client: " + e); |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| } |
| |
| public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { |
| synchronized(mRCStack) { |
| // NOTE: Only one IRemoteControlDisplay supported in this implementation |
| mArtworkExpectedWidth = w; |
| mArtworkExpectedHeight = h; |
| } |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| // TODO probably a lot more to do here than just the audio focus and remote control stacks |
| dumpFocusStack(pw); |
| dumpRCStack(pw); |
| } |
| |
| |
| } |