1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_dtrans.hxx"
26 #include "idroptarget.hxx"
27 #include <rtl/unload.h>
28
29 #ifdef __MINGW32__
30 #define __uuidof(I) IID_##I
31 #endif
32
33 extern rtl_StandardModuleCount g_moduleCount;
34
IDropTargetImpl(DropTarget & pTarget)35 IDropTargetImpl::IDropTargetImpl( DropTarget& pTarget): m_nRefCount( 0),
36 m_rDropTarget( pTarget)
37 {
38 g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
39 }
40
~IDropTargetImpl()41 IDropTargetImpl::~IDropTargetImpl()
42 {
43 g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
44 }
45
46
47 //IDropTarget
QueryInterface(REFIID riid,void ** ppvObject)48 HRESULT STDMETHODCALLTYPE IDropTargetImpl::QueryInterface( REFIID riid, void **ppvObject)
49 {
50 if( !ppvObject)
51 return E_POINTER;
52 *ppvObject= NULL;
53
54 if( riid == __uuidof( IUnknown))
55 *ppvObject= static_cast<IUnknown*>( this);
56 else if ( riid == __uuidof( IDropTarget))
57 *ppvObject= static_cast<IDropTarget*>( this);
58
59 if(*ppvObject)
60 {
61 AddRef();
62 return S_OK;
63 }
64 else
65 return E_NOINTERFACE;
66
67 }
68
AddRef(void)69 ULONG STDMETHODCALLTYPE IDropTargetImpl::AddRef( void)
70 {
71 return InterlockedIncrement( &m_nRefCount);
72 }
73
Release(void)74 ULONG STDMETHODCALLTYPE IDropTargetImpl::Release( void)
75 {
76 LONG count= InterlockedDecrement( &m_nRefCount);
77 if( m_nRefCount == 0 )
78 delete this;
79 return count;
80 }
81
DragEnter(IDataObject __RPC_FAR * pDataObj,DWORD grfKeyState,POINTL pt,DWORD * pdwEffect)82 STDMETHODIMP IDropTargetImpl::DragEnter( IDataObject __RPC_FAR *pDataObj,
83 DWORD grfKeyState,
84 POINTL pt,
85 DWORD *pdwEffect)
86 {
87 return m_rDropTarget.DragEnter( pDataObj, grfKeyState,
88 pt, pdwEffect);
89 }
90
DragOver(DWORD grfKeyState,POINTL pt,DWORD * pdwEffect)91 STDMETHODIMP IDropTargetImpl::DragOver( DWORD grfKeyState,
92 POINTL pt,
93 DWORD *pdwEffect)
94 {
95 return m_rDropTarget.DragOver( grfKeyState, pt, pdwEffect);
96 }
97
DragLeave(void)98 STDMETHODIMP IDropTargetImpl::DragLeave( void)
99 {
100 return m_rDropTarget.DragLeave();
101 }
102
Drop(IDataObject * pDataObj,DWORD grfKeyState,POINTL pt,DWORD __RPC_FAR * pdwEffect)103 STDMETHODIMP IDropTargetImpl::Drop( IDataObject *pDataObj,
104 DWORD grfKeyState,
105 POINTL pt,
106 DWORD __RPC_FAR *pdwEffect)
107 {
108 return m_rDropTarget.Drop( pDataObj, grfKeyState,
109 pt, pdwEffect);
110 }
111