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/*
* Copyright (C) 2008, 2009, 2010 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AccessibleBase_h
#define AccessibleBase_h
#include <WebCore/AccessibilityObject.h>
#include <WebCore/AccessibilityObjectWrapperWin.h>
#include <WebKit/WebKit.h>
#include <oleacc.h>
class DECLSPEC_UUID("3dbd565b-db22-4d88-8e0e-778bde54524a") AccessibleBase : public IAccessibleComparable, public IServiceProvider, public WebCore::AccessibilityObjectWrapper {
public:
static AccessibleBase* createInstance(WebCore::AccessibilityObject*);
// IServiceProvider
virtual HRESULT STDMETHODCALLTYPE QueryService(REFGUID guidService, REFIID riid, void **ppv);
// IUnknown
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);
virtual ULONG STDMETHODCALLTYPE AddRef(void) { return ++m_refCount; }
virtual ULONG STDMETHODCALLTYPE Release(void);
// IAccessible
virtual HRESULT STDMETHODCALLTYPE get_accParent(IDispatch**);
virtual HRESULT STDMETHODCALLTYPE get_accChildCount(long*);
virtual HRESULT STDMETHODCALLTYPE get_accChild(VARIANT vChild, IDispatch** ppChild);
virtual HRESULT STDMETHODCALLTYPE get_accName(VARIANT vChild, BSTR*);
virtual HRESULT STDMETHODCALLTYPE get_accValue(VARIANT vChild, BSTR*);
virtual HRESULT STDMETHODCALLTYPE get_accDescription(VARIANT, BSTR*);
virtual HRESULT STDMETHODCALLTYPE get_accRole(VARIANT vChild, VARIANT* pvRole);
virtual HRESULT STDMETHODCALLTYPE get_accState(VARIANT vChild, VARIANT* pvState);
virtual HRESULT STDMETHODCALLTYPE get_accHelp(VARIANT vChild, BSTR* helpText);
virtual HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut(VARIANT vChild, BSTR*);
virtual HRESULT STDMETHODCALLTYPE get_accFocus(VARIANT* pvFocusedChild);
virtual HRESULT STDMETHODCALLTYPE get_accSelection(VARIANT* pvSelectedChild);
virtual HRESULT STDMETHODCALLTYPE get_accDefaultAction(VARIANT vChild, BSTR* actionDescription);
virtual HRESULT STDMETHODCALLTYPE accSelect(long selectionFlags, VARIANT vChild);
virtual HRESULT STDMETHODCALLTYPE accLocation(long* left, long* top, long* width, long* height, VARIANT vChild);
virtual HRESULT STDMETHODCALLTYPE accNavigate(long direction, VARIANT vFromChild, VARIANT* pvNavigatedTo);
virtual HRESULT STDMETHODCALLTYPE accHitTest(long x, long y, VARIANT* pvChildAtPoint);
virtual HRESULT STDMETHODCALLTYPE accDoDefaultAction(VARIANT vChild);
// IAccessible - Not to be implemented.
virtual HRESULT STDMETHODCALLTYPE put_accName(VARIANT, BSTR) { return E_NOTIMPL; }
virtual HRESULT STDMETHODCALLTYPE put_accValue(VARIANT, BSTR) { return E_NOTIMPL; }
virtual HRESULT STDMETHODCALLTYPE get_accHelpTopic(BSTR* helpFile, VARIANT, long* topicID)
{
*helpFile = 0;
*topicID = 0;
return E_NOTIMPL;
}
// IDispatch - Not to be implemented.
virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT* count)
{
*count = 0;
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT, LCID, ITypeInfo** ppTInfo)
{
*ppTInfo = 0;
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID, LPOLESTR*, UINT, LCID, DISPID*) { return E_NOTIMPL; }
virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID, REFIID, LCID, WORD, DISPPARAMS*, VARIANT*, EXCEPINFO*, UINT*) { return E_NOTIMPL; }
// WebCore::AccessiblityObjectWrapper
virtual void detach() {
ASSERT(m_object);
m_object = 0;
}
// IAccessibleComparable
virtual HRESULT STDMETHODCALLTYPE isSameObject(IAccessibleComparable* other, BOOL* result);
protected:
AccessibleBase(WebCore::AccessibilityObject*);
virtual ~AccessibleBase();
virtual WTF::String name() const;
virtual WTF::String value() const;
virtual long role() const;
HRESULT getAccessibilityObjectForChild(VARIANT vChild, WebCore::AccessibilityObject*&) const;
static AccessibleBase* wrapper(WebCore::AccessibilityObject*);
int m_refCount;
private:
AccessibleBase() { }
};
#endif // AccessibleBase_h
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