1/* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 27#ifndef AccessibilityObjectWrapperWin_h 28#define AccessibilityObjectWrapperWin_h 29 30#include <unknwn.h> 31#include <wtf/text/AtomicString.h> 32 33namespace WebCore { 34 35 class AccessibilityObject; 36 37 class AccessibilityObjectWrapper : public IUnknown { 38 public: 39 // IUnknown 40 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject) = 0; 41 virtual ULONG STDMETHODCALLTYPE AddRef(void) = 0; 42 virtual ULONG STDMETHODCALLTYPE Release(void) = 0; 43 44 virtual void detach() = 0; 45 bool attached() const { return m_object; } 46 AccessibilityObject* accessibilityObject() const { return m_object; } 47 48 void accessibilityAttributeValue(const AtomicString&, VARIANT*); 49 50 protected: 51 AccessibilityObjectWrapper(AccessibilityObject* obj) : m_object(obj) { } 52 AccessibilityObjectWrapper() : m_object(0) { } 53 54 AccessibilityObject* m_object; 55 }; 56 57} // namespace WebCore 58 59#endif // AccessibilityObjectWrapperWin_h 60