Fix RTL issue of ImageFloatingTextView

am: dd8611fc5a

Change-Id: I101527b922604640fef684c6216b99289ac97f25

core/java/com/android/internal/widget/ImageFloatingTextView.java

@@ -40,6 +40,9 @@ public class ImageFloatingTextView extends TextView {
     /** Number of lines from the top to indent */
     private int mIndentLines;
 
+    /** Resolved layout direction */
+    private int mResolvedDirection = LAYOUT_DIRECTION_UNDEFINED;
+
     public ImageFloatingTextView(Context context) {
         this(context, null);
     }
@@ -82,7 +85,7 @@ public class ImageFloatingTextView extends TextView {
                 margins[i] = endMargin;
             }
         }
-        if (getLayoutDirection() == LAYOUT_DIRECTION_RTL) {
+        if (mResolvedDirection == LAYOUT_DIRECTION_RTL) {
             builder.setIndents(margins, null);
         } else {
             builder.setIndents(null, margins);
@@ -91,6 +94,19 @@ public class ImageFloatingTextView extends TextView {
         return builder.build();
     }
 
+    @Override
+    public void onRtlPropertiesChanged(int layoutDirection) {
+        super.onRtlPropertiesChanged(layoutDirection);
+
+        if (layoutDirection != mResolvedDirection && isLayoutDirectionResolved()) {
+            mResolvedDirection = layoutDirection;
+            if (mIndentLines > 0) {
+                // Invalidate layout.
+                setHint(getHint());
+            }
+        }
+    }
+
     @RemotableViewMethod
     public void setHasImage(boolean hasImage) {
         setNumIndentLines(hasImage ? 2 : 0);