AudioService: restore A2DP/wired headset auto selection

am: 383dc532f3

Change-Id: Icc9eba1bf018356f40ef7a5bfc3b00784c37c6dc

services/core/java/com/android/server/audio/AudioService.java

@@ -510,8 +510,11 @@ public class AudioService extends IAudioService.Stub {
     private int mDeviceOrientation = Configuration.ORIENTATION_UNDEFINED;
 
     // Request to override default use of A2DP for media.
-    // FIXME: remove when MediaRouter does not use setBluetoothA2dpOn() anymore
     private boolean mBluetoothA2dpEnabled;
+    // FIXME: remove when MediaRouter does not use setBluetoothA2dpOn() anymore
+    // state of bluetooth A2DP enable request sen by deprecated APIs setBluetoothA2dpOn() and
+    // isBluettohA2dpOn()
+    private boolean mBluetoothA2dpEnabledExternal;
     private final Object mBluetoothA2dpEnabledLock = new Object();
 
     // Monitoring of audio routes.  Protected by mCurAudioRoutes.
@@ -840,6 +843,12 @@ public class AudioService extends IAudioService.Stub {
             RotationHelper.updateOrientation();
         }
 
+        synchronized (mBluetoothA2dpEnabledLock) {
+            AudioSystem.setForceUse(AudioSystem.FOR_MEDIA,
+                    mBluetoothA2dpEnabled ?
+                            AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP);
+        }
+
         synchronized (mSettingsLock) {
             AudioSystem.setForceUse(AudioSystem.FOR_DOCK,
                     mDockAudioMediaEnabled ?
@@ -2706,7 +2715,7 @@ public class AudioService extends IAudioService.Stub {
      * @deprecated
      * */
     public void setBluetoothA2dpOn(boolean on) {
-        mBluetoothA2dpEnabled = on;
+        mBluetoothA2dpEnabledExternal = on;
         Log.e(TAG, "setBluetoothA2dpOn() is deprecated, now a no-op",
                 new Exception("Deprecated use of setBluetoothA2dpOn()"));
     }
@@ -2716,7 +2725,7 @@ public class AudioService extends IAudioService.Stub {
      * @deprecated
      * */
     public boolean isBluetoothA2dpOn() {
-        return mBluetoothA2dpEnabled;
+        return mBluetoothA2dpEnabledExternal;
     }
 
     /** @see AudioManager#startBluetoothSco() */
@@ -3787,6 +3796,11 @@ public class AudioService extends IAudioService.Stub {
                 Slog.i(TAG, "setWiredDeviceConnectionState(" + state + " nm: " + name + " addr:"
                         + address + ")");
             }
+            if ((state == 0) && ((type == AudioSystem.DEVICE_OUT_WIRED_HEADSET) ||
+                    (type == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE) ||
+                    (type == AudioSystem.DEVICE_OUT_LINE))) {
+                setBluetoothA2dpOnInt(true);
+            }
             int delay = checkSendBecomingNoisyIntent(type, state);
             queueMsgUnderWakeLock(mAudioHandler,
                     MSG_SET_WIRED_DEVICE_CONNECTION_STATE,
@@ -4767,6 +4781,7 @@ public class AudioService extends IAudioService.Stub {
         VolumeStreamState streamState = mStreamStates[AudioSystem.STREAM_MUSIC];
         sendMsg(mAudioHandler, MSG_SET_DEVICE_VOLUME, SENDMSG_QUEUE,
                 AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 0, streamState, 0);
+        setBluetoothA2dpOnInt(true);
         AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
                 AudioSystem.DEVICE_STATE_AVAILABLE, address, name);
         // Reset A2DP suspend state each time a new sink is connected
@@ -5004,6 +5019,7 @@ public class AudioService extends IAudioService.Stub {
                     devices |= dev;
                 }
             }
+
             if (devices == device) {
                 sendMsg(mAudioHandler,
                         MSG_BROADCAST_AUDIO_BECOMING_NOISY,
@@ -5107,6 +5123,11 @@ public class AudioService extends IAudioService.Stub {
                 return;
             }
             if (state != 0) {
+                if ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) ||
+                    (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE) ||
+                    (device == AudioSystem.DEVICE_OUT_LINE)) {
+                    setBluetoothA2dpOnInt(false);
+                }
                 if ((device & mSafeMediaVolumeDevices) != 0) {
                     sendMsg(mAudioHandler,
                             MSG_CHECK_MUSIC_ACTIVE,
@@ -5572,9 +5593,26 @@ public class AudioService extends IAudioService.Stub {
         }
     }
 
+    // Handles request to override default use of A2DP for media.
+    // Must be called synchronized on mConnectedDevices
+    public void setBluetoothA2dpOnInt(boolean on) {
+        synchronized (mBluetoothA2dpEnabledLock) {
+            mBluetoothA2dpEnabled = on;
+            setForceUseInt_SyncDevices(AudioSystem.FOR_MEDIA,
+                    mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP);
+        }
+    }
+
     // Must be called synchronized on mConnectedDevices
     private void setForceUseInt_SyncDevices(int usage, int config) {
         switch (usage) {
+            case AudioSystem.FOR_MEDIA:
+                if (config == AudioSystem.FORCE_NO_BT_A2DP) {
+                    mBecomingNoisyIntentDevices &= ~AudioSystem.DEVICE_OUT_ALL_A2DP;
+                } else { // config == AudioSystem.FORCE_NONE
+                    mBecomingNoisyIntentDevices |= AudioSystem.DEVICE_OUT_ALL_A2DP;
+                }
+                break;
             case AudioSystem.FOR_DOCK:
                 if (config == AudioSystem.FORCE_ANALOG_DOCK) {
                     mBecomingNoisyIntentDevices |= AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET;