xref: /aoo4110/main/dtrans/source/win32/dnd/source.hxx (revision b1cdbd2c)
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21 
22 
23 
24 #ifndef _SOURCE_HXX_
25 #define _SOURCE_HXX_
26 
27 #include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
28 #include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
29 #include <com/sun/star/lang/XInitialization.hpp>
30 #ifndef _OSL_MUTEX_H_
31 #include <osl/mutex.hxx>
32 #endif
33 #ifndef _CPPUHELPER_COMPBASE2_HXX_
34 #include <cppuhelper/compbase3.hxx>
35 #endif
36 #include <com/sun/star/lang/XServiceInfo.hpp>
37 #include "../../inc/DtObjFactory.hxx"
38 #include "globals.hxx"
39 #include <oleidl.h>
40 
41 #include <systools/win32/comtools.hxx>
42 
43 using namespace ::com::sun::star::lang;
44 using namespace ::com::sun::star::uno;
45 using namespace cppu;
46 using namespace osl;
47 using namespace rtl;
48 using namespace ::com::sun::star::datatransfer;
49 using namespace ::com::sun::star::datatransfer::dnd;
50 
51 
52 
53 class SourceContext;
54 // RIGHT MOUSE BUTTON drag and drop not supportet currently.
55 // ALT modifier is considered to effect a user selection of effects
56 class DragSource:
57 	  public MutexDummy,
58 	  public WeakComponentImplHelper3<XDragSource, XInitialization, XServiceInfo>,
59 	  public IDropSource
60 
61 {
62 	Reference<XMultiServiceFactory> m_serviceFactory;
63 	HWND m_hAppWindow;
64 
65 	// The mouse button that set off the drag and drop operation
66 	short m_MouseButton;
67     // Converts XTransferable objects to IDataObject objects.
68     CDTransObjFactory m_aDataConverter;
69 
70 	DragSource();
71 	DragSource(const DragSource&);
72 	DragSource &operator= ( const DragSource&);
73 
74     // First starting a new drag and drop thread if
75     // the last one has finished
76     void StartDragImpl(
77         const DragGestureEvent& trigger,
78         sal_Int8 sourceActions,
79         sal_Int32 cursor,
80         sal_Int32 image,
81         const Reference<XTransferable >& trans,
82 		const Reference<XDragSourceListener >& listener);
83 
84 public:
85     long m_RunningDndOperationCount;
86 
87 public:
88 	// only valid for one dnd operation
89 	// the thread ID of the thread which created the window
90 	DWORD m_threadIdWindow;
91 	// The context notifies the XDragSourceListener s
92 	Reference<XDragSourceContext>   m_currentContext;
93 
94 	// the wrapper for the Transferable ( startDrag)
95 	IDataObjectPtr m_spDataObject;
96 
97 	sal_Int8 m_sourceActions;
98 
99 public:
100 	DragSource(const Reference<XMultiServiceFactory>& sf);
101 	virtual ~DragSource();
102 
103   // XInitialization
104     virtual void SAL_CALL initialize( const Sequence< Any >& aArguments )
105 		throw(Exception, RuntimeException);
106 
107 
108 	// XDragSource
109     virtual sal_Bool SAL_CALL isDragImageSupported(  ) throw(RuntimeException);
110     virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction )
111 		throw( IllegalArgumentException, RuntimeException);
112     virtual void SAL_CALL startDrag( const DragGestureEvent& trigger,
113 									 sal_Int8 sourceActions,
114 									 sal_Int32 cursor,
115 									 sal_Int32 image,
116 									 const Reference<XTransferable >& trans,
117 									 const Reference<XDragSourceListener >& listener )
118 				throw( RuntimeException);
119 
120     // XServiceInfo
121     virtual OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
122     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (RuntimeException);
123     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);
124 
125 
126 
127 	virtual HRESULT STDMETHODCALLTYPE QueryInterface(
128             /* [in] */ REFIID riid,
129             /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject);
130 
131     virtual ULONG STDMETHODCALLTYPE AddRef( );
132 
133     virtual ULONG STDMETHODCALLTYPE Release( );
134 
135 
136 	// IDropSource
137     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(
138         /* [in] */ BOOL fEscapePressed,
139         /* [in] */ DWORD grfKeyState);
140 
141     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(
142         /* [in] */ DWORD dwEffect);
143 
144 };
145 
146 
147 #endif
148