Make ProgressBar / SeekBar / RatingBar widgets aware of layout direction

- see bug #5429822 UI should be mirrored for RTL locales (Arabic, Hebrew, farsi)

Change-Id: I8d76299090abf6b2b187696b1a83e71d7a44b1ce

3 files changed, 26 insertions, 1 deletions

diff --git a/graphics/java/android/graphics/drawable/ClipDrawable.java b/graphics/java/android/graphics/drawable/ClipDrawable.java
index bade9b4..723db6e 100644
--- a/graphics/java/android/graphics/drawable/ClipDrawable.java
+++ b/graphics/java/android/graphics/drawable/ClipDrawable.java
@@ -239,7 +239,11 @@ public class ClipDrawable extends Drawable implements Drawable.Callback {
         return null;
     }
 
-    
+    @Override
+    public void setLayoutDirection(int layoutDirection) {
+        mClipState.mDrawable.setLayoutDirection(layoutDirection);
+        super.setLayoutDirection(layoutDirection);
+    }
 
     final static class ClipState extends ConstantState {
         Drawable mDrawable;
diff --git a/graphics/java/android/graphics/drawable/LayerDrawable.java b/graphics/java/android/graphics/drawable/LayerDrawable.java
index 383fe71..03531ac 100644
--- a/graphics/java/android/graphics/drawable/LayerDrawable.java
+++ b/graphics/java/android/graphics/drawable/LayerDrawable.java
@@ -590,6 +590,18 @@ public class LayerDrawable extends Drawable implements Drawable.Callback {
         return this;
     }
 
+    @Override
+    public void setLayoutDirection(int layoutDirection) {
+        if (getLayoutDirection() != layoutDirection) {
+            final ChildDrawable[] array = mLayerState.mChildren;
+            final int N = mLayerState.mNum;
+            for (int i = 0; i < N; i++) {
+                array[i].mDrawable.setLayoutDirection(layoutDirection);
+            }
+        }
+        super.setLayoutDirection(layoutDirection);
+    }
+
     static class ChildDrawable {
         public Drawable mDrawable;
         public int mInsetL, mInsetT, mInsetR, mInsetB;
diff --git a/graphics/java/android/graphics/drawable/StateListDrawable.java b/graphics/java/android/graphics/drawable/StateListDrawable.java
index 384ca81..a5c3614 100644
--- a/graphics/java/android/graphics/drawable/StateListDrawable.java
+++ b/graphics/java/android/graphics/drawable/StateListDrawable.java
@@ -261,6 +261,15 @@ public class StateListDrawable extends DrawableContainer {
         return this;
     }
 
+    @Override
+    public void setLayoutDirection(int layoutDirection) {
+        final int numStates = getStateCount();
+        for (int i = 0; i < numStates; i++) {
+            getStateDrawable(i).setLayoutDirection(layoutDirection);
+        }
+        super.setLayoutDirection(layoutDirection);
+    }
+
     static final class StateListState extends DrawableContainerState {
         int[][] mStateSets;