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Avoid potentially unregistering bluetooth twice

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This commit is contained in:
Moxie Marlinspike 2017-12-11 09:52:03 -08:00
parent 62489846e3
commit d5215b3593
1 changed files with 38 additions and 44 deletions
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82
src/org/thoughtcrime/securesms/webrtc/audio/BluetoothStateManager.java
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@ -34,8 +34,8 @@ public class BluetoothStateManager {
private final Context context;
private final BluetoothAdapter bluetoothAdapter;
private final BluetoothScoReceiver bluetoothScoReceiver;
private final BluetoothConnectionReceiver bluetoothConnectionReceiver;
private BluetoothScoReceiver bluetoothScoReceiver;
private BluetoothConnectionReceiver bluetoothConnectionReceiver;
private final BluetoothStateListener listener;
private BluetoothHeadset bluetoothHeadset = null;
@ -54,9 +54,7 @@ public class BluetoothStateManager {
requestHeadsetProxyProfile();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
context.registerReceiver(bluetoothConnectionReceiver, new IntentFilter(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED));
}
context.registerReceiver(bluetoothConnectionReceiver, new IntentFilter(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED));
Intent sticky = context.registerReceiver(bluetoothScoReceiver, new IntentFilter(getScoChangeIntent()));
@ -68,16 +66,18 @@ public class BluetoothStateManager {
}
public void onDestroy() {
if (bluetoothHeadset != null && bluetoothAdapter != null && Build.VERSION.SDK_INT >= 11) {
if (bluetoothHeadset != null && bluetoothAdapter != null) {
this.bluetoothAdapter.closeProfileProxy(BluetoothProfile.HEADSET, bluetoothHeadset);
}
if (Build.VERSION.SDK_INT >= 11 && bluetoothConnectionReceiver != null) {
if (bluetoothConnectionReceiver != null) {
context.unregisterReceiver(bluetoothConnectionReceiver);
bluetoothConnectionReceiver = null;
}
if (bluetoothScoReceiver != null) {
context.unregisterReceiver(bluetoothScoReceiver);
bluetoothScoReceiver = null;
}
this.bluetoothHeadset = null;
@ -115,11 +115,7 @@ public class BluetoothStateManager {
if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) return false;
if (!audioManager.isBluetoothScoAvailableOffCall()) return false;
if (Build.VERSION.SDK_INT >= 11) {
return bluetoothHeadset != null && !bluetoothHeadset.getConnectedDevices().isEmpty();
} else {
return audioManager.isBluetoothScoOn() || audioManager.isBluetoothA2dpOn();
}
return bluetoothHeadset != null && !bluetoothHeadset.getConnectedDevices().isEmpty();
}
} catch (Exception e) {
Log.w(TAG, e);
@ -137,41 +133,39 @@ public class BluetoothStateManager {
private void requestHeadsetProxyProfile() {
if (Build.VERSION.SDK_INT >= 11) {
this.bluetoothAdapter.getProfileProxy(context, new BluetoothProfile.ServiceListener() {
@RequiresApi(api = Build.VERSION_CODES.HONEYCOMB)
@Override
public void onServiceConnected(int profile, BluetoothProfile proxy) {
if (profile == BluetoothProfile.HEADSET) {
synchronized (LOCK) {
bluetoothHeadset = (BluetoothHeadset) proxy;
}
Intent sticky = context.registerReceiver(null, new IntentFilter(getScoChangeIntent()));
bluetoothScoReceiver.onReceive(context, sticky);
synchronized (LOCK) {
if (wantsConnection && isBluetoothAvailable() && scoConnection == ScoConnection.DISCONNECTED) {
AudioManager audioManager = ServiceUtil.getAudioManager(context);
audioManager.startBluetoothSco();
scoConnection = ScoConnection.IN_PROGRESS;
}
}
handleBluetoothStateChange();
this.bluetoothAdapter.getProfileProxy(context, new BluetoothProfile.ServiceListener() {
@RequiresApi(api = Build.VERSION_CODES.HONEYCOMB)
@Override
public void onServiceConnected(int profile, BluetoothProfile proxy) {
if (profile == BluetoothProfile.HEADSET) {
synchronized (LOCK) {
bluetoothHeadset = (BluetoothHeadset) proxy;
}
}
@Override
public void onServiceDisconnected(int profile) {
Log.w(TAG, "onServiceDisconnected");
if (profile == BluetoothProfile.HEADSET) {
bluetoothHeadset = null;
handleBluetoothStateChange();
Intent sticky = context.registerReceiver(null, new IntentFilter(getScoChangeIntent()));
bluetoothScoReceiver.onReceive(context, sticky);
synchronized (LOCK) {
if (wantsConnection && isBluetoothAvailable() && scoConnection == ScoConnection.DISCONNECTED) {
AudioManager audioManager = ServiceUtil.getAudioManager(context);
audioManager.startBluetoothSco();
scoConnection = ScoConnection.IN_PROGRESS;
}
}
handleBluetoothStateChange();
}
}, BluetoothProfile.HEADSET);
}
}
@Override
public void onServiceDisconnected(int profile) {
Log.w(TAG, "onServiceDisconnected");
if (profile == BluetoothProfile.HEADSET) {
bluetoothHeadset = null;
handleBluetoothStateChange();
}
}
}, BluetoothProfile.HEADSET);
}
private class BluetoothScoReceiver extends BroadcastReceiver {
@ -185,7 +179,7 @@ public class BluetoothStateManager {
int status = intent.getIntExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, AudioManager.SCO_AUDIO_STATE_ERROR);
if (status == AudioManager.SCO_AUDIO_STATE_CONNECTED) {
if (Build.VERSION.SDK_INT >= 11 && bluetoothHeadset != null) {
if (bluetoothHeadset != null) {
List<BluetoothDevice> devices = bluetoothHeadset.getConnectedDevices();
for (BluetoothDevice device : devices) {