1/* 2 * Copyright (C) 2007, 2014 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 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 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 "DragData.h" 30#include <ShlObj.h> 31#include <objidl.h> 32#include <wtf/Forward.h> 33#include <wtf/Vector.h> 34 35namespace WebCore { 36 37struct StgMediumDeleter { 38 void operator()(STGMEDIUM* medium) 39 { 40 ::ReleaseStgMedium(medium); 41 } 42}; 43 44class WCDataObject : public IDataObject { 45public: 46 void CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC* pFmtSrc); 47 48 //IUnknown 49 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject); 50 virtual ULONG STDMETHODCALLTYPE AddRef(void); 51 virtual ULONG STDMETHODCALLTYPE Release(void); 52 53 //IDataObject 54 virtual HRESULT STDMETHODCALLTYPE GetData(FORMATETC* pformatIn, STGMEDIUM* pmedium); 55 virtual HRESULT STDMETHODCALLTYPE GetDataHere(FORMATETC* pformat, STGMEDIUM* pmedium); 56 virtual HRESULT STDMETHODCALLTYPE QueryGetData(FORMATETC* pformat); 57 virtual HRESULT STDMETHODCALLTYPE GetCanonicalFormatEtc(FORMATETC* pformatectIn,FORMATETC* pformatOut); 58 virtual HRESULT STDMETHODCALLTYPE SetData(FORMATETC* pformat, STGMEDIUM*pmedium, BOOL release); 59 virtual HRESULT STDMETHODCALLTYPE EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc); 60 virtual HRESULT STDMETHODCALLTYPE DAdvise(FORMATETC*, DWORD, IAdviseSink*, DWORD*); 61 virtual HRESULT STDMETHODCALLTYPE DUnadvise(DWORD); 62 virtual HRESULT STDMETHODCALLTYPE EnumDAdvise(IEnumSTATDATA**); 63 64 void clearData(CLIPFORMAT); 65 66 static HRESULT createInstance(WCDataObject**); 67 static HRESULT createInstance(WCDataObject**, const DragDataMap&); 68private: 69 WCDataObject(); 70 long m_ref; 71 Vector<std::unique_ptr<FORMATETC>> m_formats; 72 Vector<std::unique_ptr<STGMEDIUM, StgMediumDeleter>> m_medium; 73}; 74 75} 76 77#endif //!WCDataObject_h 78