Merge "[Output Switcher] Improve volume control" into udc-qpr-dev

1 files changed, 11 insertions, 1 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
index b88eba9081f7..a3d1d8c6959d 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
@@ -157,6 +157,7 @@ public abstract class MediaOutputBaseAdapter extends
         private String mDeviceId;
         private ValueAnimator mCornerAnimator;
         private ValueAnimator mVolumeAnimator;
+        private int mLatestUpdateVolume = -1;
 
         MediaDeviceBaseViewHolder(View view) {
             super(view);
@@ -314,7 +315,11 @@ public abstract class MediaOutputBaseAdapter extends
             mSeekBar.setMaxVolume(device.getMaxVolume());
             final int currentVolume = device.getCurrentVolume();
             if (!mIsDragging) {
-                if (mSeekBar.getVolume() != currentVolume) {
+                if (mSeekBar.getVolume() != currentVolume && (mLatestUpdateVolume == -1
+                        || currentVolume == mLatestUpdateVolume)) {
+                    // Update only if volume of device and value of volume bar doesn't match.
+                    // Check if response volume match with the latest request, to ignore obsolete
+                    // response
                     if (isCurrentSeekbarInvisible && !mIsInitVolumeFirstTime) {
                         updateTitleIcon(currentVolume == 0 ? R.drawable.media_output_icon_volume_off
                                         : R.drawable.media_output_icon_volume,
@@ -330,12 +335,16 @@ public abstract class MediaOutputBaseAdapter extends
                                 updateUnmutedVolumeIcon();
                             }
                             mSeekBar.setVolume(currentVolume);
+                            mLatestUpdateVolume = -1;
                         }
                     }
                 } else if (currentVolume == 0) {
                     mSeekBar.resetVolume();
                     updateMutedVolumeIcon();
                 }
+                if (currentVolume == mLatestUpdateVolume) {
+                    mLatestUpdateVolume = -1;
+                }
             }
             if (mIsInitVolumeFirstTime) {
                 mIsInitVolumeFirstTime = false;
@@ -360,6 +369,7 @@ public abstract class MediaOutputBaseAdapter extends
                         mStartFromMute = false;
                     }
                     if (progressToVolume != deviceVolume) {
+                        mLatestUpdateVolume = progressToVolume;
                         mController.adjustVolume(device, progressToVolume);
                     }
                 }