text: /*
   * Copyright (C) 2007 Apple Inc.  All rights reserved.
   * Copyright (C) 2012 Baidu 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 COMPUTER, 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 COMPUTER, 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 DRTDataObject_h
  #define DRTDataObject_h
  
  #include <ShlObj.h>
  #include <objidl.h>
  #include <wtf/Vector.h>
  
  FORMATETC* cfHDropFormat();
  
  FORMATETC* cfFileNameWFormat();
  
  FORMATETC* cfUrlWFormat();
  
  class DRTDataObject : public IDataObject {
  public:
      void CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC* pFmtSrc);
  
      // IUnknown
      virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);        
      virtual ULONG STDMETHODCALLTYPE AddRef();
      virtual ULONG STDMETHODCALLTYPE Release();
  
      // IDataObject
      virtual HRESULT STDMETHODCALLTYPE GetData(FORMATETC* pformatIn, STGMEDIUM* pmedium);
      virtual HRESULT STDMETHODCALLTYPE GetDataHere(FORMATETC* pformat, STGMEDIUM* pmedium);
      virtual HRESULT STDMETHODCALLTYPE QueryGetData(FORMATETC* pformat);
      virtual HRESULT STDMETHODCALLTYPE GetCanonicalFormatEtc(FORMATETC* pformatectIn, FORMATETC* pformatOut);
      virtual HRESULT STDMETHODCALLTYPE SetData(FORMATETC* pformat, STGMEDIUM*pmedium, BOOL release);
      virtual HRESULT STDMETHODCALLTYPE EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc);
      virtual HRESULT STDMETHODCALLTYPE DAdvise(FORMATETC*, DWORD, IAdviseSink*, DWORD*);
      virtual HRESULT STDMETHODCALLTYPE DUnadvise(DWORD);
      virtual HRESULT STDMETHODCALLTYPE EnumDAdvise(IEnumSTATDATA**);
  
      void clearData(CLIPFORMAT);
      
      static HRESULT createInstance(DRTDataObject**);
  private:
      DRTDataObject();
      ~DRTDataObject();
      long m_ref;
      Vector<FORMATETC*> m_formats;
      Vector<STGMEDIUM*> m_medium;
  };
  
  #endif // DRTDataObject_h
  