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// 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_MANAGER_WIN_H_
#define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
#include <oleacc.h>
#include "base/win/scoped_comptr.h"
#include "content/browser/accessibility/browser_accessibility_manager.h"
class BrowserAccessibilityWin;
// Manages a tree of BrowserAccessibilityWin objects.
class BrowserAccessibilityManagerWin : public BrowserAccessibilityManager {
public:
virtual ~BrowserAccessibilityManagerWin();
// Get a the default IAccessible for the parent window, does not make a
// new reference.
IAccessible* GetParentWindowIAccessible();
// BrowserAccessibilityManager methods
virtual void NotifyAccessibilityEvent(int type, BrowserAccessibility* node);
// Track this object and post a VISIBLE_DATA_CHANGED notification when
// its container scrolls.
// TODO(dmazzoni): remove once http://crbug.com/113483 is fixed.
void TrackScrollingObject(BrowserAccessibilityWin* node);
private:
BrowserAccessibilityManagerWin(
HWND parent_window,
const content::AccessibilityNodeData& src,
BrowserAccessibilityDelegate* delegate,
BrowserAccessibilityFactory* factory);
// A default IAccessible instance for the parent window.
base::win::ScopedComPtr<IAccessible> window_iaccessible_;
// Give BrowserAccessibilityManager::Create access to our constructor.
friend class BrowserAccessibilityManager;
// Track the most recent object that has been asked to scroll and
// post a notification directly on it when it reaches its destination.
// TODO(dmazzoni): remove once http://crbug.com/113483 is fixed.
BrowserAccessibilityWin* tracked_scroll_object_;
DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerWin);
};
#endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
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