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 IDropTargetHelper IDropTargetHelper_iface;
52 LONG ref;
53 } IDropTargetHelperImpl;
54
55 static const IDropTargetHelperVtbl vt_IDropTargetHelper;
56
57 static inline IDropTargetHelperImpl *impl_from_IDropTargetHelper(IDropTargetHelper *iface)
58 {
59 return CONTAINING_RECORD(iface, IDropTargetHelperImpl, IDropTargetHelper_iface);
60 }
61
62 /**************************************************************************
63 * IDropTargetHelper_Constructor
64 */
65 HRESULT WINAPI IDropTargetHelper_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
66 {
67 IDropTargetHelperImpl *dth;
68
69 TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
70
71 if (!ppv)
72 return E_POINTER;
73 if (pUnkOuter)
74 return CLASS_E_NOAGGREGATION;
75
76 dth = LocalAlloc (LMEM_ZEROINIT, sizeof (IDropTargetHelperImpl));
77 if (!dth) return E_OUTOFMEMORY;
78
79 dth->ref = 0;
80 dth->IDropTargetHelper_iface.lpVtbl = &vt_IDropTargetHelper;
81
82 if (FAILED (IDropTargetHelper_QueryInterface (&dth->IDropTargetHelper_iface, riid, ppv))) {
83 IDropTargetHelper_Release (&dth->IDropTargetHelper_iface);
84 return E_NOINTERFACE;
85 }
86
87 TRACE ("--(%p)\n", dth);
88 return S_OK;
89 }
90
91 /**************************************************************************
92 * IDropTargetHelper_fnQueryInterface
93 */
94 static HRESULT WINAPI IDropTargetHelper_fnQueryInterface (IDropTargetHelper * iface, REFIID riid, LPVOID * ppvObj)
95 {
96 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
97
98 TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
99
100 *ppvObj = NULL;
101
102 if (IsEqualIID (riid, &IID_IUnknown) || IsEqualIID (riid, &IID_IDropTargetHelper)) {
103 *ppvObj = This;
104 }
105
106 if (*ppvObj) {
107 IUnknown_AddRef ((IUnknown *) (*ppvObj));
108 TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
109 return S_OK;
110 }
111 FIXME ("-- Interface: E_NOINTERFACE\n");
112 return E_NOINTERFACE;
113 }
114
115 static ULONG WINAPI IDropTargetHelper_fnAddRef (IDropTargetHelper * iface)
116 {
117 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
118 ULONG refCount = InterlockedIncrement(&This->ref);
119
120 TRACE ("(%p)->(count=%u)\n", This, refCount - 1);
121
122 return refCount;
123 }
124
125 static ULONG WINAPI IDropTargetHelper_fnRelease (IDropTargetHelper * iface)
126 {
127 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
128 ULONG refCount = InterlockedDecrement(&This->ref);
129
130 TRACE ("(%p)->(count=%u)\n", This, refCount + 1);
131
132 if (!refCount) {
133 TRACE ("-- destroying (%p)\n", This);
134 LocalFree (This);
135 return 0;
136 }
137 return refCount;
138 }
139
140 static HRESULT WINAPI IDropTargetHelper_fnDragEnter (
141 IDropTargetHelper * iface,
142 HWND hwndTarget,
143 IDataObject* pDataObject,
144 POINT* ppt,
145 DWORD dwEffect)
146 {
147 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
148 FIXME ("(%p)->(%p %p %p 0x%08x)\n", This,hwndTarget, pDataObject, ppt, dwEffect);
149 return E_NOTIMPL;
150 }
151
152 static HRESULT WINAPI IDropTargetHelper_fnDragLeave (IDropTargetHelper * iface)
153 {
154 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
155 FIXME ("(%p)->()\n", This);
156 return E_NOTIMPL;
157 }
158
159 static HRESULT WINAPI IDropTargetHelper_fnDragOver (IDropTargetHelper * iface, POINT* ppt, DWORD dwEffect)
160 {
161 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
162 FIXME ("(%p)->(%p 0x%08x)\n", This, ppt, dwEffect);
163 return E_NOTIMPL;
164 }
165
166 static HRESULT WINAPI IDropTargetHelper_fnDrop (IDropTargetHelper * iface, IDataObject* pDataObject, POINT* ppt, DWORD dwEffect)
167 {
168 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
169 FIXME ("(%p)->(%p %p 0x%08x)\n", This, pDataObject, ppt, dwEffect);
170 return E_NOTIMPL;
171 }
172
173 static HRESULT WINAPI IDropTargetHelper_fnShow (IDropTargetHelper * iface, BOOL fShow)
174 {
175 IDropTargetHelperImpl *This = impl_from_IDropTargetHelper(iface);
176 FIXME ("(%p)->(%u)\n", This, fShow);
177 return E_NOTIMPL;
178 }
179
180 static const IDropTargetHelperVtbl vt_IDropTargetHelper =
181 {
182 IDropTargetHelper_fnQueryInterface,
183 IDropTargetHelper_fnAddRef,
184 IDropTargetHelper_fnRelease,
185 IDropTargetHelper_fnDragEnter,
186 IDropTargetHelper_fnDragLeave,
187 IDropTargetHelper_fnDragOver,
188 IDropTargetHelper_fnDrop,
189 IDropTargetHelper_fnShow
190 };
191
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