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27 
28 
29 #ifndef _XNOTIFYINGDATAOBJECT_HXX_
30 #define _XNOTIFYINGDATAOBJECT_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 #if defined _MSC_VER
41 #pragma warning(push,1)
42 #endif
43 #include <objidl.h>
44 #include <windows.h>
45 #if defined _MSC_VER
46 #pragma warning(pop)
47 #endif
48 
49 #include <systools/win32/comtools.hxx>
50 
51 /*--------------------------------------------------------------------------
52 	To implement the lostOwnership mechanism cleanly we need this wrapper
53 	object
54 ----------------------------------------------------------------------------*/
55 
56 // forward
57 class CWinClipbImpl;
58 
59 class CXNotifyingDataObject : public IDataObject
60 {
61 public:
62 	CXNotifyingDataObject(
63 		const IDataObjectPtr& aIDataObject,
64 		const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable,
65 		const com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner >& aXClipOwner,
66 		CWinClipbImpl* theWinClipImpl );
67 
68     virtual ~CXNotifyingDataObject() {}
69 
70 	//-----------------------------------------------------------------
71 	// ole interface implementation
72 	//-----------------------------------------------------------------
73 
74     //IUnknown interface methods
75     STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
76     STDMETHODIMP_( ULONG ) AddRef( );
77     STDMETHODIMP_( ULONG ) Release( );
78 
79     // IDataObject interface methods
80     STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
81     STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
82     STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
83     STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
84     STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
85     STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
86     STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
87     STDMETHODIMP DUnadvise( DWORD dwConnection );
88     STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );
89 
90 	operator IDataObject*( );
91 
92 private:
93 	void SAL_CALL lostOwnership( );
94 
95 private:
96 	sal_Int32																							m_nRefCnt;
97 	IDataObjectPtr																						m_aIDataObject;
98 	const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >					m_XTransferable;
99 	const com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner >	m_XClipboardOwner;
100 	CWinClipbImpl*																						m_pWinClipImpl;
101 
102 	friend class CWinClipbImpl;
103 };
104 
105 #endif
106