Native Android accessibility.

content/browser/accessibility/browser_accessibility.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_
 
 #include <map>
 #include <utility>
 #include <vector>
@@ skipping 70 matching lines @@
   // Update the parent and index in parent if this node has been moved.
   void UpdateParent(BrowserAccessibility* parent, int index_in_parent);
 
   // Update this node's location, leaving everything else the same.
   virtual void SetLocation(const gfx::Rect& new_location);
 
   // Return true if this object is equal to or a descendant of |ancestor|.
   bool IsDescendantOf(BrowserAccessibility* ancestor);
 
   // Returns the parent of this object, or NULL if it's the root.
-  BrowserAccessibility* parent() { return parent_; }
+  BrowserAccessibility* parent() const { return parent_; }
 
   // Returns the number of children of this object.
   uint32 child_count() const { return children_.size(); }
 
   // Return a pointer to the child with the given index.
-  BrowserAccessibility* GetChild(uint32 child_index);
+  BrowserAccessibility* GetChild(uint32 child_index) const;
 
   // Return the previous sibling of this object, or NULL if it's the first
   // child of its parent.
   BrowserAccessibility* GetPreviousSibling();
 
   // Return the next sibling of this object, or NULL if it's the last child
   // of its parent.
   BrowserAccessibility* GetNextSibling();
 
   // Returns the bounds of this object in coordinates relative to the
   // top-left corner of the overall web area.
-  gfx::Rect GetLocalBoundsRect();
+  gfx::Rect GetLocalBoundsRect() const;
 
   // Returns the bounds of this object in screen coordinates.
-  gfx::Rect GetGlobalBoundsRect();
+  gfx::Rect GetGlobalBoundsRect() const;
 
   // Returns the deepest descendant that contains the specified point
   // (in global screen coordinates).
   BrowserAccessibility* BrowserAccessibilityForPoint(const gfx::Point& point);
 
   // Marks this object for deletion, releases our reference to it, and
   // recursively calls Destroy() on its children.  May not delete
   // immediately due to reference counting.
   //
   // Reference counting is used on some platforms because the
@@ skipping 164 matching lines @@
   // immediately return failure.
   bool instance_active_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_