1 /*
2 * file system folder
3 *
4 * Copyright 1997 Marcus Meissner
5 * Copyright 1998, 1999, 2002 Juergen Schmied
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <string.h>
27
28 #define COBJMACROS
29
30 #include "windef.h"
31 #include "winbase.h"
32 #include "winreg.h"
33 #include "wingdi.h"
34 #include "winuser.h"
35
36 #include "objbase.h"
37 #include "ole2.h"
38 #include "shlguid.h"
39 #include "shlobj.h"
40
41 #include "wine/debug.h"
42 #include "debughlp.h"
43
44 WINE_DEFAULT_DEBUG_CHANNEL (shell);
45
46 /***********************************************************************
47 * IDropTargetHelper implementation
48 */
49
50 typedef struct {
51 const IDropTargetHelperVtbl *lpVtbl;
52 LONG ref;
53 } IDropTargetHelperImpl;
54
55 static const IDropTargetHelperVtbl vt_IDropTargetHelper;
56
57 #define _IUnknown_(This) ((IUnknown*)&(This)->lpVtbl)
58 #define _IDropTargetHelper_(This) (&(This)->lpVtbl)
59
60 /**************************************************************************
61 * IDropTargetHelper_Constructor
62 */
63 HRESULT WINAPI IDropTargetHelper_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
64 {
65 IDropTargetHelperImpl *dth;
66
67 TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
68
69 if (!ppv)
70 return E_POINTER;
71 if (pUnkOuter)
72 return CLASS_E_NOAGGREGATION;
73
74 dth = LocalAlloc (LMEM_ZEROINIT, sizeof (IDropTargetHelperImpl));
75 if (!dth) return E_OUTOFMEMORY;
76
77 dth->ref = 0;
78 dth->lpVtbl = &vt_IDropTargetHelper;
79
80 if (FAILED (IUnknown_QueryInterface (_IUnknown_ (dth), riid, ppv))) {
81 IUnknown_Release (_IUnknown_ (dth));
82 return E_NOINTERFACE;
83 }
84
85 TRACE ("--(%p)\n", dth);
86 return S_OK;
87 }
88
89 /**************************************************************************
90 * IDropTargetHelper_fnQueryInterface
91 */
92 static HRESULT WINAPI IDropTargetHelper_fnQueryInterface (IDropTargetHelper * iface, REFIID riid, LPVOID * ppvObj)
93 {
94 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
95
96 TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
97
98 *ppvObj = NULL;
99
100 if (IsEqualIID (riid, &IID_IUnknown) || IsEqualIID (riid, &IID_IDropTargetHelper)) {
101 *ppvObj = This;
102 }
103
104 if (*ppvObj) {
105 IUnknown_AddRef ((IUnknown *) (*ppvObj));
106 TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
107 return S_OK;
108 }
109 FIXME ("-- Interface: E_NOINTERFACE\n");
110 return E_NOINTERFACE;
111 }
112
113 static ULONG WINAPI IDropTargetHelper_fnAddRef (IDropTargetHelper * iface)
114 {
115 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
116 ULONG refCount = InterlockedIncrement(&This->ref);
117
118 TRACE ("(%p)->(count=%u)\n", This, refCount - 1);
119
120 return refCount;
121 }
122
123 static ULONG WINAPI IDropTargetHelper_fnRelease (IDropTargetHelper * iface)
124 {
125 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
126 ULONG refCount = InterlockedDecrement(&This->ref);
127
128 TRACE ("(%p)->(count=%u)\n", This, refCount + 1);
129
130 if (!refCount) {
131 TRACE ("-- destroying (%p)\n", This);
132 LocalFree (This);
133 return 0;
134 }
135 return refCount;
136 }
137
138 static HRESULT WINAPI IDropTargetHelper_fnDragEnter (
139 IDropTargetHelper * iface,
140 HWND hwndTarget,
141 IDataObject* pDataObject,
142 POINT* ppt,
143 DWORD dwEffect)
144 {
145 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
146 FIXME ("(%p)->(%p %p %p 0x%08x)\n", This,hwndTarget, pDataObject, ppt, dwEffect);
147 return E_NOTIMPL;
148 }
149
150 static HRESULT WINAPI IDropTargetHelper_fnDragLeave (IDropTargetHelper * iface)
151 {
152 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
153 FIXME ("(%p)->()\n", This);
154 return E_NOTIMPL;
155 }
156
157 static HRESULT WINAPI IDropTargetHelper_fnDragOver (IDropTargetHelper * iface, POINT* ppt, DWORD dwEffect)
158 {
159 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
160 FIXME ("(%p)->(%p 0x%08x)\n", This, ppt, dwEffect);
161 return E_NOTIMPL;
162 }
163
164 static HRESULT WINAPI IDropTargetHelper_fnDrop (IDropTargetHelper * iface, IDataObject* pDataObject, POINT* ppt, DWORD dwEffect)
165 {
166 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
167 FIXME ("(%p)->(%p %p 0x%08x)\n", This, pDataObject, ppt, dwEffect);
168 return E_NOTIMPL;
169 }
170
171 static HRESULT WINAPI IDropTargetHelper_fnShow (IDropTargetHelper * iface, BOOL fShow)
172 {
173 IDropTargetHelperImpl *This = (IDropTargetHelperImpl *)iface;
174 FIXME ("(%p)->(%u)\n", This, fShow);
175 return E_NOTIMPL;
176 }
177
178 static const IDropTargetHelperVtbl vt_IDropTargetHelper =
179 {
180 IDropTargetHelper_fnQueryInterface,
181 IDropTargetHelper_fnAddRef,
182 IDropTargetHelper_fnRelease,
183 IDropTargetHelper_fnDragEnter,
184 IDropTargetHelper_fnDragLeave,
185 IDropTargetHelper_fnDragOver,
186 IDropTargetHelper_fnDrop,
187 IDropTargetHelper_fnShow
188 };
189
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