Make textDirection API public

Change-Id: I2d5a0e3a990b9a5b78a3bbc8df7f655702743e4b

4 files changed, 33 insertions, 29 deletions

diff --git a/api/current.txt b/api/current.txt
index 7edfa53..97be454 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -992,6 +992,7 @@ package android {
     field public static final int textColorTertiary = 16843282; // 0x1010212
     field public static final int textColorTertiaryInverse = 16843283; // 0x1010213
     field public static final int textCursorDrawable = 16843618; // 0x1010362
+    field public static final int textDirection = 16843688; // 0x10103a8
     field public static final int textEditNoPasteWindowLayout = 16843541; // 0x1010315
     field public static final int textEditPasteWindowLayout = 16843540; // 0x1010314
     field public static final int textEditSideNoPasteWindowLayout = 16843615; // 0x101035f
@@ -20478,6 +20479,19 @@ package android.text {
     method public int getTopPadding();
   }
 
+  public abstract interface TextDirectionHeuristic {
+  }
+
+  public class TextDirectionHeuristics {
+    ctor public TextDirectionHeuristics();
+    field public static final android.text.TextDirectionHeuristic ANYRTL_LTR;
+    field public static final android.text.TextDirectionHeuristic FIRSTSTRONG_LTR;
+    field public static final android.text.TextDirectionHeuristic FIRSTSTRONG_RTL;
+    field public static final android.text.TextDirectionHeuristic LOCALE;
+    field public static final android.text.TextDirectionHeuristic LTR;
+    field public static final android.text.TextDirectionHeuristic RTL;
+  }
+
   public class TextPaint extends android.graphics.Paint {
     ctor public TextPaint();
     ctor public TextPaint(int);
@@ -23171,6 +23185,7 @@ package android.view {
     method public final android.view.ViewParent getParent();
     method public float getPivotX();
     method public float getPivotY();
+    method public int getResolvedTextDirection();
     method public android.content.res.Resources getResources();
     method public final int getRight();
     method protected float getRightFadingEdgeStrength();
@@ -23190,6 +23205,7 @@ package android.view {
     method public int getSystemUiVisibility();
     method public java.lang.Object getTag();
     method public java.lang.Object getTag(int);
+    method public int getTextDirection();
     method public final int getTop();
     method protected float getTopFadingEdgeStrength();
     method protected int getTopPaddingOffset();
@@ -23321,8 +23337,10 @@ package android.view {
     method public void requestLayout();
     method public boolean requestRectangleOnScreen(android.graphics.Rect);
     method public boolean requestRectangleOnScreen(android.graphics.Rect, boolean);
+    method protected void resetResolvedTextDirection();
     method public static int resolveSize(int, int);
     method public static int resolveSizeAndState(int, int, int);
+    method protected void resolveTextDirection();
     method public void restoreHierarchyState(android.util.SparseArray<android.os.Parcelable>);
     method public void saveHierarchyState(android.util.SparseArray<android.os.Parcelable>);
     method public void scheduleDrawable(android.graphics.drawable.Drawable, java.lang.Runnable, long);
@@ -23402,6 +23420,7 @@ package android.view {
     method public void setSystemUiVisibility(int);
     method public void setTag(java.lang.Object);
     method public void setTag(int, java.lang.Object);
+    method public void setTextDirection(int);
     method public final void setTop(int);
     method public void setTouchDelegate(android.view.TouchDelegate);
     method public void setTranslationX(float);
@@ -23424,6 +23443,7 @@ package android.view {
     method public boolean willNotCacheDrawing();
     method public boolean willNotDraw();
     field public static final android.util.Property ALPHA;
+    field protected static int DEFAULT_TEXT_DIRECTION;
     field public static final int DRAWING_CACHE_QUALITY_AUTO = 0; // 0x0
     field public static final int DRAWING_CACHE_QUALITY_HIGH = 1048576; // 0x100000
     field public static final int DRAWING_CACHE_QUALITY_LOW = 524288; // 0x80000
@@ -23500,6 +23520,12 @@ package android.view {
     field public static final int SYSTEM_UI_FLAG_HIDE_NAVIGATION = 2; // 0x2
     field public static final int SYSTEM_UI_FLAG_LOW_PROFILE = 1; // 0x1
     field public static final int SYSTEM_UI_FLAG_VISIBLE = 0; // 0x0
+    field public static final int TEXT_DIRECTION_ANY_RTL = 2; // 0x2
+    field public static final int TEXT_DIRECTION_FIRST_STRONG = 1; // 0x1
+    field public static final int TEXT_DIRECTION_INHERIT = 0; // 0x0
+    field public static final int TEXT_DIRECTION_LOCALE = 5; // 0x5
+    field public static final int TEXT_DIRECTION_LTR = 3; // 0x3
+    field public static final int TEXT_DIRECTION_RTL = 4; // 0x4
     field public static final android.util.Property TRANSLATION_X;
     field public static final android.util.Property TRANSLATION_Y;
     field protected static final java.lang.String VIEW_LOG_TAG = "View";
@@ -23766,7 +23792,6 @@ package android.view {
     method public boolean requestSendAccessibilityEvent(android.view.View, android.view.accessibility.AccessibilityEvent);
     method public void requestTransparentRegion(android.view.View);
     method protected void resetResolvedLayoutDirection();
-    method protected void resetResolvedTextDirection();
     method public void scheduleLayoutAnimation();
     method public void setAddStatesFromChildren(boolean);
     method public void setAlwaysDrawnWithCacheEnabled(boolean);
@@ -27595,7 +27620,6 @@ package android.widget {
     method protected void resetResolvedDrawables();
     method protected void resetResolvedLayoutDirection();
     method protected void resolveDrawables();
-    method protected void resolveTextDirection();
     method public void setAllCaps(boolean);
     method public final void setAutoLinkMask(int);
     method public void setCompoundDrawablePadding(int);
diff --git a/core/java/android/text/TextDirectionHeuristics.java b/core/java/android/text/TextDirectionHeuristics.java
index e5c1e5b..ae41eab 100644
--- a/core/java/android/text/TextDirectionHeuristics.java
+++ b/core/java/android/text/TextDirectionHeuristics.java
@@ -17,13 +17,10 @@
 package android.text;
 
 
-import java.util.Locale;
-
 import android.util.LocaleUtil;
 
 /**
  * Some objects that implement TextDirectionHeuristic.
- * @hide
  */
 public class TextDirectionHeuristics {
 
@@ -74,9 +71,8 @@ public class TextDirectionHeuristics {
      * Computes the text direction based on an algorithm.  Subclasses implement
      * {@link #defaultIsRtl} to handle cases where the algorithm cannot determine the
      * direction from the text alone.
-     * @hide
      */
-    public static abstract class TextDirectionHeuristicImpl implements TextDirectionHeuristic {
+    private static abstract class TextDirectionHeuristicImpl implements TextDirectionHeuristic {
         private final TextDirectionAlgorithm mAlgorithm;
 
         public TextDirectionHeuristicImpl(TextDirectionAlgorithm algorithm) {
@@ -157,13 +153,11 @@ public class TextDirectionHeuristics {
     /**
      * Interface for an algorithm to guess the direction of a paragraph of text.
      *
-     * @hide
      */
-    public static interface TextDirectionAlgorithm {
+    private static interface TextDirectionAlgorithm {
         /**
          * Returns whether the range of text is RTL according to the algorithm.
          *
-         * @hide
          */
         TriState checkRtl(char[] text, int start, int count);
     }
@@ -173,9 +167,8 @@ public class TextDirectionHeuristics {
      * the paragraph direction.  This is the standard Unicode Bidirectional
      * algorithm.
      *
-     * @hide
      */
-    public static class FirstStrong implements TextDirectionAlgorithm {
+    private static class FirstStrong implements TextDirectionAlgorithm {
         @Override
         public TriState checkRtl(char[] text, int start, int count) {
             TriState result = TriState.UNKNOWN;
@@ -196,9 +189,8 @@ public class TextDirectionHeuristics {
      * character (e.g. excludes LRE, LRO, RLE, RLO) to determine the
      * direction of text.
      *
-     * @hide
      */
-    public static class AnyStrong implements TextDirectionAlgorithm {
+    private static class AnyStrong implements TextDirectionAlgorithm {
         private final boolean mLookForRtl;
 
         @Override
@@ -239,7 +231,7 @@ public class TextDirectionHeuristics {
     /**
      * Algorithm that uses the Locale direction to force the direction of a paragraph.
      */
-    public static class TextDirectionHeuristicLocale extends TextDirectionHeuristicImpl {
+    private static class TextDirectionHeuristicLocale extends TextDirectionHeuristicImpl {
 
         public TextDirectionHeuristicLocale() {
             super(null);
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 7658d04..91080e0 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -2617,7 +2617,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
 
     /**
      * Text direction is inherited thru {@link ViewGroup}
-     * @hide
      */
     public static final int TEXT_DIRECTION_INHERIT = 0;
 
@@ -2626,7 +2625,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
      * determines the paragraph direction. If there is no strong directional character, the
      * paragraph direction is the view's resolved layout direction.
      *
-     * @hide
      */
     public static final int TEXT_DIRECTION_FIRST_STRONG = 1;
 
@@ -2635,42 +2633,36 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
      * any strong RTL character, otherwise it is LTR if it contains any strong LTR characters.
      * If there are neither, the paragraph direction is the view's resolved layout direction.
      *
-     * @hide
      */
     public static final int TEXT_DIRECTION_ANY_RTL = 2;
 
     /**
      * Text direction is forced to LTR.
      *
-     * @hide
      */
     public static final int TEXT_DIRECTION_LTR = 3;
 
     /**
      * Text direction is forced to RTL.
      *
-     * @hide
      */
     public static final int TEXT_DIRECTION_RTL = 4;
 
     /**
      * Text direction is coming from the system Locale.
      *
-     * @hide
      */
     public static final int TEXT_DIRECTION_LOCALE = 5;
 
     /**
      * Default text direction is inherited
      *
-     * @hide
      */
     protected static int DEFAULT_TEXT_DIRECTION = TEXT_DIRECTION_INHERIT;
 
     /**
      * The text direction that has been defined by {@link #setTextDirection(int)}.
      *
-     * {@hide}
      */
     @ViewDebug.ExportedProperty(category = "text", mapping = {
             @ViewDebug.IntToString(from = TEXT_DIRECTION_INHERIT, to = "INHERIT"),
@@ -2688,7 +2680,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
      * not TEXT_DIRECTION_INHERIT, otherwise resolution proceeds up the parent
      * chain of the view.
      *
-     * {@hide}
      */
     @ViewDebug.ExportedProperty(category = "text", mapping = {
             @ViewDebug.IntToString(from = TEXT_DIRECTION_INHERIT, to = "INHERIT"),
@@ -13762,7 +13753,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
      * {@link #TEXT_DIRECTION_RTL},
      * {@link #TEXT_DIRECTION_LOCALE},
      *
-     * @hide
      */
     public int getTextDirection() {
         return mTextDirection;
@@ -13780,7 +13770,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
      * {@link #TEXT_DIRECTION_RTL},
      * {@link #TEXT_DIRECTION_LOCALE},
      *
-     * @hide
      */
     public void setTextDirection(int textDirection) {
         if (textDirection != mTextDirection) {
@@ -13801,7 +13790,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
      * {@link #TEXT_DIRECTION_RTL},
      * {@link #TEXT_DIRECTION_LOCALE},
      *
-     * @hide
      */
     public int getResolvedTextDirection() {
         if (mResolvedTextDirection == TEXT_DIRECTION_INHERIT) {
@@ -13813,7 +13801,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
     /**
      * Resolve the text direction.
      *
-     * @hide
      */
     protected void resolveTextDirection() {
         if (mTextDirection != TEXT_DIRECTION_INHERIT) {
@@ -13830,7 +13817,6 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
     /**
      * Reset resolved text direction. Will be resolved during a call to getResolvedTextDirection().
      *
-     * @hide
      */
     protected void resetResolvedTextDirection() {
         mResolvedTextDirection = TEXT_DIRECTION_INHERIT;
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index e84cb5c..2a0c327 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -3494,4 +3494,6 @@
      =============================================================== -->
   <public type="attr" name="isolatedProcess" id="0x010103a7" />
 
+  <public type="attr" name="textDirection"/>
+
 </resources>