Merge "Update volume slider on device changed." into mnc-dr-dev
diff --git a/core/java/android/preference/SeekBarVolumizer.java b/core/java/android/preference/SeekBarVolumizer.java
index 979c828..2445bc2 100644
--- a/core/java/android/preference/SeekBarVolumizer.java
+++ b/core/java/android/preference/SeekBarVolumizer.java
@@ -383,6 +383,7 @@
                 final IntentFilter filter = new IntentFilter(AudioManager.VOLUME_CHANGED_ACTION);
                 filter.addAction(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION);
                 filter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
+                filter.addAction(AudioManager.STREAM_DEVICES_CHANGED_ACTION);
                 mContext.registerReceiver(this, filter);
             } else {
                 mContext.unregisterReceiver(this);
@@ -395,13 +396,7 @@
             if (AudioManager.VOLUME_CHANGED_ACTION.equals(action)) {
                 int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1);
                 int streamValue = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, -1);
-                final boolean streamMatch = mNotificationOrRing ? isNotificationOrRing(streamType)
-                        : (streamType == mStreamType);
-                if (mSeekBar != null && streamMatch && streamValue != -1) {
-                    final boolean muted = mAudioManager.isStreamMute(mStreamType)
-                            || streamValue == 0;
-                    mUiHandler.postUpdateSlider(streamValue, mLastAudibleStreamVolume, muted);
-                }
+                updateVolumeSlider(streamType, streamValue);
             } else if (AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION.equals(action)) {
                 if (mNotificationOrRing) {
                     mRingerMode = mAudioManager.getRingerModeInternal();
@@ -409,10 +404,24 @@
                 if (mAffectedByRingerMode) {
                     updateSlider();
                 }
+            } else if (AudioManager.STREAM_DEVICES_CHANGED_ACTION.equals(action)) {
+                int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1);
+                int streamVolume = mAudioManager.getStreamVolume(streamType);
+                updateVolumeSlider(streamType, streamVolume);
             } else if (NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED.equals(action)) {
                 mZenMode = mNotificationManager.getZenMode();
                 updateSlider();
             }
         }
+
+        private void updateVolumeSlider(int streamType, int streamValue) {
+            final boolean streamMatch = mNotificationOrRing ? isNotificationOrRing(streamType)
+                    : (streamType == mStreamType);
+            if (mSeekBar != null && streamMatch && streamValue != -1) {
+                final boolean muted = mAudioManager.isStreamMute(mStreamType)
+                        || streamValue == 0;
+                mUiHandler.postUpdateSlider(streamValue, mLastAudibleStreamVolume, muted);
+            }
+        }
     }
 }