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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 #include <com/sun/star/datatransfer/XTransferable.hpp> 38 #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp> 39 40 #ifndef _DATAFORMATTRANSLATOR_HXX_ 41 #include "DataFmtTransl.hxx" 42 #endif 43 44 #ifndef _FETCLIST_HXX_ 45 #include "FetcList.hxx" 46 #endif 47 48 #if defined _MSC_VER 49 #pragma warning(push,1) 50 #endif 51 #include <windows.h> 52 #include <ole2.h> 53 #include <objidl.h> 54 #if defined _MSC_VER 55 #pragma warning(pop) 56 #endif 57 58 /*-------------------------------------------------------------------------- 59 - the function principle of the windows clipboard: 60 a data provider offers all formats he can deliver on the clipboard 61 a clipboard client ask for the available formats on the clipboard 62 and decides if there is a format he can use 63 if there is one, he requests the data in this format 64 65 - This class inherits from IDataObject an so can be placed on the 66 OleClipboard. The class wrapps a transferable object which is the 67 original DataSource 68 - DataFlavors offerd by this transferable will be translated into 69 appropriate clipboard formats 70 - if the transferable contains text data always text and unicodetext 71 will be offered or vice versa 72 - text data will be automaticaly converted between text und unicode text 73 - although the transferable may support text in different charsets 74 (codepages) only text in one codepage can be offered by the clipboard 75 76 ----------------------------------------------------------------------------*/ 77 78 class CStgTransferHelper; 79 80 class CXTDataObject : public IDataObject 81 { 82 public: 83 CXTDataObject( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& aServiceManager, 84 const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& aXTransferable ); 85 virtual ~CXTDataObject() {} 86 87 //----------------------------------------------------------------- 88 // ole interface implementation 89 //----------------------------------------------------------------- 90 91 //IUnknown interface methods 92 STDMETHODIMP QueryInterface(REFIID iid, LPVOID* ppvObject); 93 STDMETHODIMP_( ULONG ) AddRef( ); 94 STDMETHODIMP_( ULONG ) Release( ); 95 96 // IDataObject interface methods 97 STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium ); 98 STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium ); 99 STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc ); 100 STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut ); 101 STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease ); 102 STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc ); 103 STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection ); 104 STDMETHODIMP DUnadvise( DWORD dwConnection ); 105 STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise ); 106 107 operator IDataObject*( ); 108 109 private: 110 com::sun::star::datatransfer::DataFlavor SAL_CALL formatEtcToDataFlavor( const FORMATETC& aFormatEtc ) const; 111 112 void SAL_CALL renderDataAndSetupStgMedium( const sal_Int8* lpStorage, 113 const FORMATETC& fetc, 114 sal_uInt32 nInitStgSize, 115 sal_uInt32 nBytesToTransfer, 116 STGMEDIUM& stgmedium ); 117 118 void SAL_CALL renderLocaleAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 119 void SAL_CALL renderUnicodeAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 120 void SAL_CALL renderAnyDataAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 121 122 HRESULT SAL_CALL renderSynthesizedFormatAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 123 void SAL_CALL renderSynthesizedUnicodeAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 124 void SAL_CALL renderSynthesizedTextAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 125 void SAL_CALL renderSynthesizedHtmlAndSetupStgMedium( FORMATETC& fetc, STGMEDIUM& stgmedium ); 126 127 void SAL_CALL setupStgMedium( const FORMATETC& fetc, 128 CStgTransferHelper& stgTransHlp, 129 STGMEDIUM& stgmedium ); 130 131 void validateFormatEtc( LPFORMATETC lpFormatEtc ) const; 132 void SAL_CALL invalidateStgMedium( STGMEDIUM& stgmedium ) const; 133 134 HRESULT SAL_CALL translateStgExceptionCode( HRESULT hr ) const; 135 136 inline void SAL_CALL InitializeFormatEtcContainer( ); 137 138 private: 139 LONG m_nRefCnt; 140 const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_SrvMgr; 141 ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > m_XTransferable; 142 CFormatEtcContainer m_FormatEtcContainer; 143 sal_Bool m_bFormatEtcContainerInitialized; 144 CDataFormatTranslator m_DataFormatTranslator; 145 CFormatRegistrar m_FormatRegistrar; 146 }; 147 148 //------------------------------------------------------------------------ 149 // 150 //------------------------------------------------------------------------ 151 152 class CEnumFormatEtc : public IEnumFORMATETC 153 { 154 public: 155 CEnumFormatEtc( LPUNKNOWN lpUnkOuter, const CFormatEtcContainer& aFormatEtcContainer ); 156 virtual ~CEnumFormatEtc() {} 157 158 // IUnknown 159 STDMETHODIMP QueryInterface( REFIID iid, LPVOID* ppvObject ); 160 STDMETHODIMP_( ULONG ) AddRef( ); 161 STDMETHODIMP_( ULONG ) Release( ); 162 163 //IEnumFORMATETC 164 STDMETHODIMP Next( ULONG nRequested, LPFORMATETC lpDest, ULONG* lpFetched ); 165 STDMETHODIMP Skip( ULONG celt ); 166 STDMETHODIMP Reset( ); 167 STDMETHODIMP Clone( IEnumFORMATETC** ppenum ); 168 169 private: 170 LONG m_nRefCnt; 171 LPUNKNOWN m_lpUnkOuter; 172 CFormatEtcContainer m_FormatEtcContainer; 173 }; 174 175 typedef CEnumFormatEtc *PCEnumFormatEtc; 176 177 #endif 178