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      1 /*
      2  * Copyright (C) 2006, 2007 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 COMPUTER, 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 COMPUTER, 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 #ifndef WebElementPropertyBag_H
     27 #define WebElementPropertyBag_H
     28 
     29 #include <ocidl.h>
     30 #include <wtf/OwnPtr.h>
     31 
     32 namespace WebCore {
     33     class HitTestResult;
     34 }
     35 
     36 class WebElementPropertyBag : public IPropertyBag
     37 {
     38 public:
     39     static WebElementPropertyBag* createInstance(const WebCore::HitTestResult&);
     40 
     41 protected:
     42     WebElementPropertyBag(const WebCore::HitTestResult&);
     43     ~WebElementPropertyBag();
     44 
     45 public:
     46     // IUnknown
     47     virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);
     48     virtual ULONG STDMETHODCALLTYPE AddRef(void);
     49     virtual ULONG STDMETHODCALLTYPE Release(void);
     50 
     51     // IPropertyBag
     52     virtual /* [local] */ HRESULT STDMETHODCALLTYPE Read(
     53         /* [in] */ LPCOLESTR pszPropName,
     54         /* [out][in] */ VARIANT *pVar,
     55         /* [in] */ IErrorLog *pErrorLog);
     56 
     57     virtual HRESULT STDMETHODCALLTYPE Write(
     58         /* [in] */ LPCOLESTR pszPropName,
     59         /* [in] */ VARIANT *pVar);
     60 
     61 private:
     62     OwnPtr<WebCore::HitTestResult> m_result;
     63     ULONG m_refCount;
     64 };
     65 
     66 #endif // WebElementPropertyBag_H
     67