webengine/osswebengine/WebCore/platform/win/WCDataObject.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 24 Sep 2009 12:53:48 +0300
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/*
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 * Copyright (C) 2007 Apple Inc.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
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 */
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#ifndef WCDataObject_h
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#define WCDataObject_h
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#include <wtf/Vector.h>
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#include <ShlObj.h>
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#include <objidl.h>
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namespace WebCore {
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class String;
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class WCDataObject : public IDataObject {
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public:
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    void CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC* pFmtSrc);
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    //IUnknown
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    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);        
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    virtual ULONG STDMETHODCALLTYPE AddRef(void);
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    virtual ULONG STDMETHODCALLTYPE Release(void);
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    //IDataObject
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    virtual HRESULT STDMETHODCALLTYPE GetData(FORMATETC* pformatIn, STGMEDIUM* pmedium);
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    virtual HRESULT STDMETHODCALLTYPE GetDataHere(FORMATETC* pformat, STGMEDIUM* pmedium);
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    virtual HRESULT STDMETHODCALLTYPE QueryGetData(FORMATETC* pformat);
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    virtual HRESULT STDMETHODCALLTYPE GetCanonicalFormatEtc(FORMATETC* pformatectIn,FORMATETC* pformatOut);
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    virtual HRESULT STDMETHODCALLTYPE SetData(FORMATETC* pformat, STGMEDIUM*pmedium, BOOL release);
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    virtual HRESULT STDMETHODCALLTYPE EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc);
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    virtual HRESULT STDMETHODCALLTYPE DAdvise(FORMATETC*, DWORD, IAdviseSink*, DWORD*);
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    virtual HRESULT STDMETHODCALLTYPE DUnadvise(DWORD);
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    virtual HRESULT STDMETHODCALLTYPE EnumDAdvise(IEnumSTATDATA**);
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    void clearData(CLIPFORMAT);
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    static HRESULT createInstance(WCDataObject**);
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private:
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    WCDataObject();
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    virtual ~WCDataObject();
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    long m_ref;
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    Vector<FORMATETC*> m_formats;
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    Vector<STGMEDIUM*> m_medium;
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};
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}
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#endif //!WCDataObject_h