Android-side of insertion/selection handles visibility.

content/public/android/java/src/org/chromium/content/browser/input/CursorController.java

Index: content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java b/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
index 68f88bc950386cbd86cc722649930ef4e7127ea8..5bf4bada8af023347ff231547ad4ce5ce526df80 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
@@ -4,38 +4,57 @@
 
 package org.chromium.content.browser.input;
 
+import android.graphics.Rect;
 import android.view.ViewTreeObserver;
 
 /**
  * A CursorController instance can be used to control a cursor in the text.
  */
-interface CursorController extends ViewTreeObserver.OnTouchModeChangeListener {
+abstract class CursorController implements ViewTreeObserver.OnTouchModeChangeListener {
+
+    private Rect mVisibleClippingRectangle;
 
     /**
      * Hide the cursor controller from screen.
      */
-    void hide();
+    abstract void hide();
 
     /**
      * @return true if the CursorController is currently visible
      */
-    boolean isShowing();
+    abstract boolean isShowing();
 
     /**
      * Called when the handle is about to start updating its position.
      * @param handle
      */
-    void beforeStartUpdatingPosition(HandleView handle);
+    abstract void beforeStartUpdatingPosition(HandleView handle);
 
     /**
      * Update the controller's position.
      */
-    void updatePosition(HandleView handle, int x, int y);
+    abstract void updatePosition(HandleView handle, int x, int y);
 
     /**
      * Called when the view is detached from window. Perform house keeping task, such as
      * stopping Runnable thread that would otherwise keep a reference on the context, thus
      * preventing the activity to be recycled.
      */
-    void onDetached();
+    abstract void onDetached();
+
+    /**
+     * Sets the visible rectangle for text input elements as supplied by Blink.
+     */
+    public void setVisibleClippingRectangle(int left, int top, int right, int bottom) {
+        if (mVisibleClippingRectangle == null) {
+            mVisibleClippingRectangle = new Rect(left, top, right, bottom);
+        } else {
+            mVisibleClippingRectangle.set(left,top,right,bottom);
+        }
+    }
+
+    Rect getVisibleClippingRectangle() {
+        return mVisibleClippingRectangle;
+    }
+
 }