Merge "Fix bug #7345139: The First Volume Down Click looses its place on the volume slider" into jb-mr1-dev

Author: Fabrice Di Meglio

core/java/android/widget/AbsSeekBar.java

@@ -241,6 +241,7 @@ void onProgressRefresh(float scale, boolean fromUser) {
 
     @Override
     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
         updateThumbPos(w, h);
     }
 
@@ -555,4 +556,23 @@ public boolean performAccessibilityAction(int action, Bundle arguments) {
         }
         return false;
     }
+
+    @Override
+    public void onRtlPropertiesChanged(int layoutDirection) {
+        super.onRtlPropertiesChanged(layoutDirection);
+
+        int max = getMax();
+        float scale = max > 0 ? (float) getProgress() / (float) max : 0;
+
+        Drawable thumb = mThumb;
+        if (thumb != null) {
+            setThumbPos(getWidth(), thumb, scale, Integer.MIN_VALUE);
+            /*
+             * Since we draw translated, the drawable's bounds that it signals
+             * for invalidation won't be the actual bounds we want invalidated,
+             * so just invalidate this whole view.
+             */
+            invalidate();
+        }
+    }
 }