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3  * Licensed to the Apache Software Foundation (ASF) under one
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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21 
22 
23 
24 
25 #ifndef _XTDATAOBJECT_HXX_
26 #define _XTDATAOBJECT_HXX_
27 
28 
29 //------------------------------------------------------------------------
30 // includes
31 //------------------------------------------------------------------------
32 
33 /*
34 #include <com/sun/star/datatransfer/XTransferable.hpp>
35 #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
36 #include "WinClipboard.hxx"
37 */
38 
39 #include <windows.h>
40 #include <ole2.h>
41 #include <objidl.h>
42 
43 
44 //------------------------------------------------------------------------
45 //
46 //------------------------------------------------------------------------
47 
48 class EnumFormatEtc;
49 
50 class CXTDataObject : public IDataObject
51 {
52 public:
53 	CXTDataObject( LONG nRefCntInitVal = 0);
54     ~CXTDataObject( );
55 
56 	//-----------------------------------------------------------------
57 	// ole interface implementation
58 	//-----------------------------------------------------------------
59 
60     //IUnknown
61     STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
62     STDMETHODIMP_( ULONG ) AddRef( );
63     STDMETHODIMP_( ULONG ) Release( );
64 
65     //IDataObject
66     STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
67     STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
68     STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
69     STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
70     STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
71     STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
72     STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
73     STDMETHODIMP DUnadvise( DWORD dwConnection );
74     STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );
75 
76 	operator IDataObject*( );
77 
78 	// notification handler
79 	//void SAL_CALL LostOwnership( );
80 
81 	//sal_Int64 SAL_CALL QueryDataSize( );
82 
83 	// retrieve the data from the source
84 	// necessary so that
85 	//void SAL_CALL GetAllDataFromSource( );
86 
87 private:
88 	LONG m_nRefCnt;
89 	//CWinClipboard& m_rCWinClipboard;
90 	//const const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardOwner >&  m_rXClipboardOwner;
91 	//const const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >&               m_rXTDataSource;
92 
93 	//friend class CWinClipboard;
94 	friend class CEnumFormatEtc;
95 };
96 
97 //------------------------------------------------------------------------
98 //
99 //------------------------------------------------------------------------
100 
101 class CEnumFormatEtc : public IEnumFORMATETC
102 {
103 public:
104 	CEnumFormatEtc( LPUNKNOWN pUnkDataObj );
105     ~CEnumFormatEtc( );
106 
107     // IUnknown
108     STDMETHODIMP           QueryInterface( REFIID iid, LPVOID* ppvObject );
109     STDMETHODIMP_( ULONG ) AddRef( );
110     STDMETHODIMP_( ULONG ) Release( );
111 
112     //IEnumFORMATETC
113     STDMETHODIMP Next( ULONG celt, LPFORMATETC rgelt, ULONG* pceltFetched );
114     STDMETHODIMP Skip( ULONG celt );
115     STDMETHODIMP Reset( );
116     STDMETHODIMP Clone( IEnumFORMATETC** ppenum );
117 
118 private:
119 	LONG		m_nRefCnt;
120 	LPUNKNOWN	m_pUnkDataObj;
121     ULONG		m_nCurrentPos;
122 	CLIPFORMAT  m_cfFormats[2];
123 };
124 
125 
126 typedef CEnumFormatEtc *PCEnumFormatEtc;
127 
128 #endif
129