Introduce WebAccessibilityControllerImpl....

webkit/glue/webaccessibilitymanager_impl.h

Index: webkit/glue/webaccessibilitymanager_impl.h
===================================================================
--- webkit/glue/webaccessibilitymanager_impl.h	(revision 30964)
+++ webkit/glue/webaccessibilitymanager_impl.h	(working copy)
@@ -1,76 +0,0 @@
-// Copyright (c) 2006-2008 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 WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_IMPL_H_
-#define WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_IMPL_H_
-
-#include "base/hash_tables.h"
-#include "webkit/glue/webaccessibilitymanager.h"
-
-class GlueAccessibilityObject;
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// WebAccessibilityManagerImpl
-//
-//
-// Implements WebAccessibilityManager.
-// Responds to incoming accessibility requests from the browser side. Retrieves
-// the requested information from the active AccessibilityObject, through the
-// GlueAccessibilityObject.
-////////////////////////////////////////////////////////////////////////////////
-
-namespace webkit_glue {
-
-class WebAccessibilityManagerImpl : public WebAccessibilityManager {
- public:
-  // From WebAccessibilityManager.
-  bool GetAccObjInfo(WebKit::WebView* view,
-                     const WebAccessibility::InParams& in_params,
-                     WebAccessibility::OutParams* out_params);
-  bool ClearAccObjMap(int acc_obj_id, bool clear_all);
-  int FocusAccObj(const WebKit::WebAccessibilityObject& object);
-
- protected:
-  // Needed so WebAccessibilityManager::Create can call our constructor.
-  friend class WebAccessibilityManager;
-
-  // Constructor creates a new GlueAccessibilityObjectRoot, and initializes
-  // the root |acc_obj_id_| to 1000, to avoid conflicts with platform-specific
-  // child ids.
-  WebAccessibilityManagerImpl();
-  ~WebAccessibilityManagerImpl();
-
- private:
-  // From WebAccessibilityManager.
-  bool InitAccObjRoot(WebKit::WebView* view);
-
-  // Wrapper around the pointer that holds the root of the AccessibilityObject
-  // tree, to allow the use of a scoped_refptr.
-  struct GlueAccessibilityObjectRoot;
-  GlueAccessibilityObjectRoot* root_;
-
-  typedef base::hash_map<int, GlueAccessibilityObject*> IntToGlueAccObjMap;
-  typedef base::hash_map<WebCore::AccessibilityObject*, int> AccObjToIntMap;
-
-  // Hashmap for cashing of elements in use by the AT, mapping id (int) to a
-  // GlueAccessibilityObject pointer.
-  IntToGlueAccObjMap int_to_glue_acc_obj_map_;
-  // Hashmap for cashing of elements in use by the AT, mapping a
-  // AccessibilityObject pointer to its id (int). Needed for reverse lookup,
-  // to ensure unnecessary duplicate entries are not created in the
-  // IntToGlueAccObjMap (above) and for focus changes in WebKit.
-  AccObjToIntMap acc_obj_to_int_map_;
-
-  // Unique identifier for retrieving an accessibility object from the page's
-  // hashmaps. Id is always 0 for the root of the accessibility object
-  // hierarchy (on a per-renderer process basis).
-  int acc_obj_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebAccessibilityManagerImpl);
-};
-
-}  // namespace webkit_glue
-
-#endif  // WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_IMPL_H_