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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_dtrans.hxx"
30 #include "idroptarget.hxx"
31 #include <rtl/unload.h>
32 
33 #ifdef __MINGW32__
34 #define __uuidof(I) IID_##I
35 #endif
36 
37 extern rtl_StandardModuleCount g_moduleCount;
38 
39 IDropTargetImpl::IDropTargetImpl( DropTarget& pTarget): m_nRefCount( 0),
40                                     m_rDropTarget( pTarget)
41 {
42 	g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
43 }
44 
45 IDropTargetImpl::~IDropTargetImpl()
46 {
47 	g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
48 }
49 
50 
51 //IDropTarget
52 HRESULT STDMETHODCALLTYPE IDropTargetImpl::QueryInterface( REFIID riid, void  **ppvObject)
53 {
54 	if( !ppvObject)
55 		return E_POINTER;
56 	*ppvObject= NULL;
57 
58 	if( riid == __uuidof( IUnknown))
59 		*ppvObject= static_cast<IUnknown*>( this);
60 	else if (  riid == __uuidof( IDropTarget))
61 		*ppvObject= static_cast<IDropTarget*>( this);
62 
63 	if(*ppvObject)
64 	{
65 		AddRef();
66 		return S_OK;
67 	}
68 	else
69 		return E_NOINTERFACE;
70 
71 }
72 
73 ULONG STDMETHODCALLTYPE IDropTargetImpl::AddRef( void)
74 {
75     return InterlockedIncrement( &m_nRefCount);
76 }
77 
78 ULONG STDMETHODCALLTYPE IDropTargetImpl::Release( void)
79 {
80     LONG count= InterlockedDecrement( &m_nRefCount);
81     if( m_nRefCount == 0 )
82         delete this;
83 	return count;
84 }
85 
86 STDMETHODIMP IDropTargetImpl::DragEnter( IDataObject __RPC_FAR *pDataObj,
87 									DWORD grfKeyState,
88 									POINTL pt,
89 									DWORD  *pdwEffect)
90 {
91     return m_rDropTarget.DragEnter( pDataObj, grfKeyState,
92                                   pt, pdwEffect);
93 }
94 
95 STDMETHODIMP IDropTargetImpl::DragOver( DWORD grfKeyState,
96 								   POINTL pt,
97 								   DWORD  *pdwEffect)
98 {
99     return m_rDropTarget.DragOver( grfKeyState, pt, pdwEffect);
100 }
101 
102 STDMETHODIMP IDropTargetImpl::DragLeave( void)
103 {
104     return m_rDropTarget.DragLeave();
105 }
106 
107 STDMETHODIMP IDropTargetImpl::Drop( IDataObject  *pDataObj,
108 				   DWORD grfKeyState,
109 				   POINTL pt,
110 				   DWORD __RPC_FAR *pdwEffect)
111 {
112     return m_rDropTarget.Drop( pDataObj, grfKeyState,
113                                    pt, pdwEffect);
114 }
115