/platform/external/webkit/WebCore/accessibility/chromium/AccessibilityObjectWrapper.h

 1/*
 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 3 * Copyright (C) 2008 Google Inc.
 4 *
 5 * Redistribution and use in source and binary forms, with or without
 6 * modification, are permitted provided that the following conditions
 7 * are met:
 8 * 1. Redistributions of source code must retain the above copyright
 9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
25 */
26
27#ifndef AccessibilityObjectWrapper_h
28#define AccessibilityObjectWrapper_h
29
30#include <wtf/RefCounted.h>
31
32namespace WebCore {
33
34    class AccessibilityObject;
35    class AccessibilityObjectWrapper : public RefCounted<AccessibilityObjectWrapper> {
36    public:
37        virtual ~AccessibilityObjectWrapper() {}
38        virtual void detach() = 0;
39        bool attached() const { return m_object; }
40        AccessibilityObject* accessibilityObject() const { return m_object; }
41
42    protected:
43        AccessibilityObjectWrapper(AccessibilityObject* obj)
44            : m_object(obj)
45        {
46        }
47        AccessibilityObjectWrapper() : m_object(0) { }
48
49        AccessibilityObject* m_object;
50    };
51
52} // namespace WebCore
53
54#endif