Initial implementation of IAccessible2 scrollTo and setTextSelection and

content/browser/accessibility/browser_accessibility_manager.h

 // Copyright (c) 2011 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_MANAGER_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 12 matching lines @@
 using webkit_glue::WebAccessibility;
 
 struct ViewHostMsg_AccessibilityNotification_Params;
 
 // Class that can perform actions on behalf of the BrowserAccessibilityManager.
 class CONTENT_EXPORT BrowserAccessibilityDelegate {
  public:
   virtual ~BrowserAccessibilityDelegate() {}
   virtual void SetAccessibilityFocus(int acc_obj_id) = 0;
   virtual void AccessibilityDoDefaultAction(int acc_obj_id) = 0;
+  virtual void AccessibilityChangeScrollPosition(
+      int acc_obj_id, int scroll_x, int scroll_y) = 0;
+  virtual void AccessibilitySetTextSelection(
+      int acc_obj_id, int start_offset, int end_offset) = 0;
   virtual bool HasFocus() const = 0;
   virtual gfx::Rect GetViewBounds() const = 0;
 };
 
 class CONTENT_EXPORT BrowserAccessibilityFactory {
  public:
   virtual ~BrowserAccessibilityFactory() {}
 
   // Create an instance of BrowserAccessibility and return a new
   // reference to it.
@@ skipping 50 matching lines @@
   void GotFocus();
 
   // Update the focused node to |node|, which may be null.
   // If |notify| is true, send a message to the renderer to set focus
   // to this node.
   void SetFocus(BrowserAccessibility* node, bool notify);
 
   // Tell the renderer to do the default action for this node.
   void DoDefaultAction(const BrowserAccessibility& node);
 
+  // Tell the renderer to scroll this node to the given position.
+  void ChangeScrollPosition(
+      const BrowserAccessibility& node, int scroll_x, int scroll_y);
+
+  // Tell the renderer to set the text selection on a node.
+  void SetTextSelection(
+      const BrowserAccessibility& node, int start_offset, int end_offset);
+
   // Retrieve the bounds of the parent View in screen coordinates.
   gfx::Rect GetViewBounds();
 
   // Called when the renderer process has notified us of about tree changes.
   // Send a notification to MSAA clients of the change.
   void OnAccessibilityNotifications(
       const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params);
 
   gfx::NativeView GetParentView();
 
@@ skipping 49 matching lines @@
   // we use internally here.
   base::hash_map<int32, int32> renderer_id_to_child_id_map_;
 
   // A mapping from child IDs to BrowserAccessibility objects.
   base::hash_map<int32, BrowserAccessibility*> child_id_map_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManager);
 };
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_