Fix progress bar and spinner in RTL mode

Add "mirrorForRtl" property for ProgressBar (default is "false") and
use it accordingly to the following RTL rules:

- time still goes from left to right
- clocks still rotate clockwise

Change-Id: Ib91ce6ab341aa6097c0f43b13703174a2ee9ec70

api/current.txt

@@ -725,6 +725,7 @@ package android {
     field public static final int minSdkVersion = 16843276; // 0x101020c
     field public static final int minWidth = 16843071; // 0x101013f
     field public static final int mipMap = 16843725; // 0x10103cd
+    field public static final int mirrorForRtl = 16843726; // 0x10103ce
     field public static final int mode = 16843134; // 0x101017e
     field public static final int moreIcon = 16843061; // 0x1010135
     field public static final int multiprocess = 16842771; // 0x1010013

core/java/android/widget/AbsSeekBar.java

@@ -305,7 +305,7 @@ public abstract class AbsSeekBar extends ProgressBar {
         }
         
         // Canvas will be translated, so 0,0 is where we start drawing
-        final int left = isLayoutRtl() ? available - thumbPos : thumbPos;
+        final int left = (isLayoutRtl() && mMirrorForRtl) ? available - thumbPos : thumbPos;
         thumb.setBounds(left, topBound, left + thumbWidth, bottomBound);
     }
 
@@ -426,7 +426,7 @@ public abstract class AbsSeekBar extends ProgressBar {
         int x = (int)event.getX();
         float scale;
         float progress = 0;
-        if (isLayoutRtl()) {
+        if (isLayoutRtl() && mMirrorForRtl) {
             if (x > width - mPaddingRight) {
                 scale = 0.0f;
             } else if (x < mPaddingLeft) {

core/java/android/widget/ProgressBar.java

@@ -223,6 +223,8 @@ public class ProgressBar extends View {
     private boolean mAttached;
     private boolean mRefreshIsPosted;
 
+    boolean mMirrorForRtl = false;
+
     private final ArrayList<RefreshData> mRefreshData = new ArrayList<RefreshData>();
 
     private AccessibilityEventSender mAccessibilityEventSender;
@@ -302,6 +304,8 @@ public class ProgressBar extends View {
         setIndeterminate(mOnlyIndeterminate || a.getBoolean(
                 R.styleable.ProgressBar_indeterminate, mIndeterminate));
 
+        mMirrorForRtl = a.getBoolean(R.styleable.ProgressBar_mirrorForRtl, mMirrorForRtl);
+
         a.recycle();
     }
 
@@ -1004,7 +1008,7 @@ public class ProgressBar extends View {
                     }
                 }
             }
-            if (isLayoutRtl()) {
+            if (isLayoutRtl() && mMirrorForRtl) {
                 int tempLeft = left;
                 left = w - right;
                 right = w - tempLeft;
@@ -1026,7 +1030,7 @@ public class ProgressBar extends View {
             // Translate canvas so a indeterminate circular progress bar with padding
             // rotates properly in its animation
             canvas.save();
-            if(isLayoutRtl()) {
+            if(isLayoutRtl() && mMirrorForRtl) {
                 canvas.translate(getWidth() - mPaddingRight, mPaddingTop);
                 canvas.scale(-1.0f, 1.0f);
             } else {

core/res/res/values/attrs.xml

@@ -2960,6 +2960,9 @@
         <!-- Timeout between frames of animation in milliseconds
              {@deprecated Not used by the framework.} -->
         <attr name="animationResolution" format="integer" />
+        <!-- Defines if the associated drawables need to be mirrored when in RTL mode.
+             Default is false -->
+        <attr name="mirrorForRtl" format="boolean" />
     </declare-styleable>
 
     <declare-styleable name="SeekBar">

core/res/res/values/public.xml

@@ -2034,5 +2034,6 @@
   <eat-comment />
 
   <public type="attr" name="mipMap" id="0x010103cd" />
+  <public type="attr" name="mirrorForRtl" id="0x010103ce" />
 
 </resources>

core/res/res/values/styles.xml

@@ -370,6 +370,7 @@ please see styles_device_defaults.xml.
         <item name="android:maxWidth">48dip</item>
         <item name="android:minHeight">48dip</item>
         <item name="android:maxHeight">48dip</item>
+        <item name="android:mirrorForRtl">false</item>
     </style>
 
     <style name="Widget.ProgressBar.Large">
@@ -410,6 +411,7 @@ please see styles_device_defaults.xml.
         <item name="android:indeterminateDrawable">@android:drawable/progress_indeterminate_horizontal</item>
         <item name="android:minHeight">20dip</item>
         <item name="android:maxHeight">20dip</item>
+        <item name="android:mirrorForRtl">true</item>
     </style>
 
     <style name="Widget.SeekBar">
@@ -421,6 +423,7 @@ please see styles_device_defaults.xml.
         <item name="android:thumb">@android:drawable/seek_thumb</item>
         <item name="android:thumbOffset">8dip</item>
         <item name="android:focusable">true</item>
+        <item name="android:mirrorForRtl">true</item>
     </style>
 
     <style name="Widget.RatingBar">
@@ -430,6 +433,7 @@ please see styles_device_defaults.xml.
         <item name="android:minHeight">57dip</item>
         <item name="android:maxHeight">57dip</item>
         <item name="android:thumb">@null</item>
+        <item name="android:mirrorForRtl">true</item>
     </style>
 
     <style name="Widget.RatingBar.Indicator">
@@ -1745,6 +1749,7 @@ please see styles_device_defaults.xml.
         <item name="android:focusable">true</item>
         <item name="android:paddingStart">16dip</item>
         <item name="android:paddingEnd">16dip</item>
+        <item name="android:mirrorForRtl">true</item>
     </style>
 
     <style name="Widget.Holo.RatingBar" parent="Widget.RatingBar">