1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 29 #ifndef _XTDATAOBJECT_HXX_ 30 #define _XTDATAOBJECT_HXX_ 31 32 33 //------------------------------------------------------------------------ 34 // includes 35 //------------------------------------------------------------------------ 36 37 #if defined _MSC_VER 38 #pragma warning(push,1) 39 #endif 40 #include <windows.h> 41 #include <ole2.h> 42 #include <objidl.h> 43 #if defined _MSC_VER 44 #pragma warning(pop) 45 #endif 46 47 #include <vector> 48 49 // forward declaration 50 //class CWinClipbImpl; 51 class EnumFormatEtc; 52 53 /*-------------------------------------------------------------------------- 54 - the function principle of the windows clipboard: 55 a data provider offers all formats he can deliver on the clipboard 56 a clipboard client ask for the available formats on the clipboard 57 and decides if there is a format he can use 58 if there is one, he requests the data in this format 59 60 - This class inherits from IDataObject an so can be placed on the 61 OleClipboard. The class wrapps a transferable object which is the 62 original DataSource 63 - DataFlavors offerd by this transferable will be translated into 64 appropriate clipboard formats 65 - if the transferable contains text data always text and unicodetext 66 will be offered or vice versa 67 - text data will be automaticaly converted between text und unicode text 68 - although the transferable may support text in different charsets 69 (codepages) only text in one codepage can be offered by the clipboard 70 71 ----------------------------------------------------------------------------*/ 72 73 class CXTDataObject : public IDataObject 74 { 75 public: 76 CXTDataObject( ); 77 78 //----------------------------------------------------------------- 79 // ole interface implementation 80 //----------------------------------------------------------------- 81 82 //IUnknown interface methods 83 STDMETHODIMP QueryInterface(REFIID iid, LPVOID* ppvObject); 84 STDMETHODIMP_( ULONG ) AddRef( ); 85 STDMETHODIMP_( ULONG ) Release( ); 86 87 // IDataObject interface methods 88 STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium ); 89 STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium ); 90 STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc ); 91 STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut ); 92 STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease ); 93 STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc ); 94 STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection ); 95 STDMETHODIMP DUnadvise( DWORD dwConnection ); 96 STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise ); 97 98 operator IDataObject*( ); 99 100 private: 101 102 private: 103 LONG m_nRefCnt; 104 }; 105 106 //------------------------------------------------------------------------ 107 // 108 //------------------------------------------------------------------------ 109 110 class CEnumFormatEtc : public IEnumFORMATETC 111 { 112 public: 113 CEnumFormatEtc( LPUNKNOWN pUnkDataObj ); 114 115 // IUnknown 116 STDMETHODIMP QueryInterface( REFIID iid, LPVOID* ppvObject ); 117 STDMETHODIMP_( ULONG ) AddRef( ); 118 STDMETHODIMP_( ULONG ) Release( ); 119 120 //IEnumFORMATETC 121 STDMETHODIMP Next( ULONG celt, LPFORMATETC rgelt, ULONG* pceltFetched ); 122 STDMETHODIMP Skip( ULONG celt ); 123 STDMETHODIMP Reset( ); 124 STDMETHODIMP Clone( IEnumFORMATETC** ppenum ); 125 126 private: 127 LONG m_nRefCnt; 128 LPUNKNOWN m_pUnkDataObj; 129 ULONG m_nCurrPos; 130 }; 131 132 typedef CEnumFormatEtc *PCEnumFormatEtc; 133 134 #endif 135