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      1 /*
      2  * Copyright (C) 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 WCDataObject_h
     27 #define WCDataObject_h
     28 
     29 #include <wtf/Vector.h>
     30 #include <ShlObj.h>
     31 #include <objidl.h>
     32 
     33 namespace WebCore {
     34 
     35 class String;
     36 
     37 class WCDataObject : public IDataObject {
     38 public:
     39     void CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC* pFmtSrc);
     40 
     41     //IUnknown
     42     virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);
     43     virtual ULONG STDMETHODCALLTYPE AddRef(void);
     44     virtual ULONG STDMETHODCALLTYPE Release(void);
     45 
     46     //IDataObject
     47     virtual HRESULT STDMETHODCALLTYPE GetData(FORMATETC* pformatIn, STGMEDIUM* pmedium);
     48     virtual HRESULT STDMETHODCALLTYPE GetDataHere(FORMATETC* pformat, STGMEDIUM* pmedium);
     49     virtual HRESULT STDMETHODCALLTYPE QueryGetData(FORMATETC* pformat);
     50     virtual HRESULT STDMETHODCALLTYPE GetCanonicalFormatEtc(FORMATETC* pformatectIn,FORMATETC* pformatOut);
     51     virtual HRESULT STDMETHODCALLTYPE SetData(FORMATETC* pformat, STGMEDIUM*pmedium, BOOL release);
     52     virtual HRESULT STDMETHODCALLTYPE EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc);
     53     virtual HRESULT STDMETHODCALLTYPE DAdvise(FORMATETC*, DWORD, IAdviseSink*, DWORD*);
     54     virtual HRESULT STDMETHODCALLTYPE DUnadvise(DWORD);
     55     virtual HRESULT STDMETHODCALLTYPE EnumDAdvise(IEnumSTATDATA**);
     56 
     57     void clearData(CLIPFORMAT);
     58 
     59     static HRESULT createInstance(WCDataObject**);
     60 private:
     61     WCDataObject();
     62     virtual ~WCDataObject();
     63     long m_ref;
     64     Vector<FORMATETC*> m_formats;
     65     Vector<STGMEDIUM*> m_medium;
     66 };
     67 
     68 }
     69 
     70 #endif //!WCDataObject_h
     71