Removes all use of COM and dependencies on Windows-specific classes (includin...

webkit/glue/glue_accessibility.h

-// 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_GLUE_ACCESSIBILITY_H_
-#define WEBKIT_GLUE_GLUE_ACCESSIBILITY_H_
-
-#if defined(OS_WIN)
-#include <oleacc.h>
-#else
-// TODO(port): need an equivalent of
-// http://msdn.microsoft.com/en-us/library/accessibility.iaccessible.aspx
-class IAccessible;
-#endif
-
-#include "base/hash_tables.h"
-#include "base/ref_counted.h"
-#include "chrome/common/accessibility.h"
-
-class WebView;
-
-template <typename T> class COMPtr;
-
-typedef base::hash_map<int, scoped_refptr<IAccessible> > IntToIAccessibleMap;
-typedef base::hash_map<IAccessible*, int> IAccessibleToIntMap;
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// GlueAccessibility
-//
-// Operations that access the underlying WebKit DOM directly, exposing
-// accessibility information.
-////////////////////////////////////////////////////////////////////////////////
-class GlueAccessibility {
- public:
-  GlueAccessibility();
-  ~GlueAccessibility();
-
-  // Retrieves the IAccessible information as requested in in_params, by calling
-  // into WebKit's implementation of IAccessible. Maintains a hashmap of the
-  // currently active (browser ref count not zero) IAccessibles. Returns true if
-  // successful, false otherwise.
-  bool GetAccessibilityInfo(WebView* view,
-                            const AccessibilityInParams& in_params,
-                            AccessibilityOutParams* out_params);
-
-  // Erases the entry identified by the |iaccessible_id| from the hash map. If
-  // |clear_all| is true, all entries are erased. Returns true if successful,
-  // false otherwise.
-  bool ClearIAccessibleMap(int iaccessible_id, bool clear_all);
-
- private:
-  // Retrieves the RenderObject associated with this WebView, and uses it to
-  // initialize the root of the render-side MSAA tree with the associated
-  // accessibility information. Returns true if successful, false otherwise.
-  bool InitAccessibilityRoot(WebView* view);
-
-  // Wrapper around the COM pointer that holds the root of the MSAA tree, to
-  // ensure that we are not requiring WebKit includes outside of glue.
-  struct GlueAccessibilityRoot;
-  GlueAccessibilityRoot* root_;
-
-  // Hashmap for cashing of elements in use by the AT, mapping id (int) to an
-  // IAccessible pointer.
-  IntToIAccessibleMap int_to_iaccessible_map_;
-  // Hashmap for cashing of elements in use by the AT, mapping an IAccessible
-  // pointer to its id (int). Needed for reverse lookup, to ensure unnecessary
-  // duplicate entries are not created in the IntToIAccessibleMap (above).
-  IAccessibleToIntMap iaccessible_to_int_map_;
-
-  // Unique identifier for retrieving an IAccessible from the page's hashmap.
-  int iaccessible_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(GlueAccessibility);
-};
-
-#endif  // WEBKIT_GLUE_GLUE_ACCESSIBILITY_H_