Fix bug #7158772 ProgressBar / SeekBar / RatingBar drawables should be reversed when in RTL mode

Change-Id: I0a9cfbc6aa6919da3198a20aae6159bd867afe87

Author: Fabrice Di Meglio

core/java/android/widget/ProgressBar.java

@@ -354,7 +354,7 @@ private Drawable tileify(Drawable drawable, boolean clip) {
                     Shader.TileMode.REPEAT, Shader.TileMode.CLAMP);
             shapeDrawable.getPaint().setShader(bitmapShader);
 
-            return (clip) ? new ClipDrawable(shapeDrawable, Gravity.START,
+            return (clip) ? new ClipDrawable(shapeDrawable, Gravity.LEFT,
                     ClipDrawable.HORIZONTAL) : shapeDrawable;
         }
 
@@ -1037,6 +1037,11 @@ private void updateDrawableBounds(int w, int h) {
                     }
                 }
             }
+            if (isLayoutRtl()) {
+                int tempLeft = left;
+                left = w - right;
+                right = w - tempLeft;
+            }
             mIndeterminateDrawable.setBounds(left, top, right, bottom);
         }
 
@@ -1054,7 +1059,12 @@ protected synchronized void onDraw(Canvas canvas) {
             // Translate canvas so a indeterminate circular progress bar with padding
             // rotates properly in its animation
             canvas.save();
-            canvas.translate(mPaddingLeft, mPaddingTop);
+            if(isLayoutRtl()) {
+                canvas.translate(getWidth() - mPaddingRight, mPaddingTop);
+                canvas.scale(-1.0f, 1.0f);
+            } else {
+                canvas.translate(mPaddingLeft, mPaddingTop);
+            }
             long time = getDrawingTime();
             if (mHasAnimation) {
                 mAnimation.getTransformation(time, mTransformation);

core/res/res/drawable/progress_horizontal_holo_dark.xml

@@ -21,13 +21,11 @@
 
     <item android:id="@android:id/secondaryProgress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/progress_secondary_holo_dark" />
     </item>
 
     <item android:id="@android:id/progress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/progress_primary_holo_dark" />
     </item>
 

core/res/res/drawable/progress_horizontal_holo_light.xml

@@ -21,13 +21,11 @@
 
     <item android:id="@android:id/secondaryProgress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/progress_secondary_holo_light" />
     </item>
 
     <item android:id="@android:id/progress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/progress_primary_holo_light" />
     </item>
 

core/res/res/drawable/scrubber_progress_horizontal_holo_dark.xml

@@ -19,12 +19,10 @@
             android:drawable="@android:drawable/scrubber_track_holo_dark" />
     <item android:id="@android:id/secondaryProgress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/scrubber_secondary_holo" />
     </item>
     <item android:id="@android:id/progress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/scrubber_primary_holo" />
     </item>
 </layer-list>

core/res/res/drawable/scrubber_progress_horizontal_holo_light.xml

@@ -19,12 +19,10 @@
             android:drawable="@android:drawable/scrubber_track_holo_light" />
     <item android:id="@android:id/secondaryProgress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/scrubber_secondary_holo" />
     </item>
     <item android:id="@android:id/progress">
         <scale android:scaleWidth="100%"
-               android:scaleGravity="start"
                android:drawable="@android:drawable/scrubber_primary_holo" />
     </item>
 </layer-list>