Start listening on notifications/QS panels on expansion started

am: b5ece9a9d6

Change-Id: I948930f17c1d0e08ba3d33ea5db48e3071b2fe03

packages/SystemUI/src/com/android/systemui/qs/QSContainer.java

@@ -237,6 +237,10 @@ public class QSContainer extends FrameLayout {
         mQSPanel.setListening(mListening && mQsExpanded);
     }
 
+    public void setHeaderListening(boolean listening) {
+        mHeader.setListening(listening);
+    }
+
     public void setQsExpansion(float expansion, float headerTranslation) {
         if (DEBUG) Log.d(TAG, "setQSExpansion " + expansion + " " + headerTranslation);
         mQsExpansion = expansion;

packages/SystemUI/src/com/android/systemui/qs/QSPanel.java

@@ -246,10 +246,12 @@ public class QSPanel extends LinearLayout implements Tunable, Callback {
         if (mListening) {
             refreshAllTiles();
         }
-        if (listening) {
-            mBrightnessController.registerCallbacks();
-        } else {
-            mBrightnessController.unregisterCallbacks();
+        if (mBrightnessView.getVisibility() == View.VISIBLE) {
+            if (listening) {
+                mBrightnessController.registerCallbacks();
+            } else {
+                mBrightnessController.unregisterCallbacks();
+            }
         }
     }
 

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java

@@ -1617,6 +1617,9 @@ public class NotificationPanelView extends PanelView implements
         if (mQsExpanded) {
             onQsExpansionStarted();
         }
+        // Since there are QS tiles in the header now, we need to make sure we start listening
+        // immediately so they can be up to date.
+        mQsContainer.setHeaderListening(true);
     }
 
     @Override