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[wine] / dlls / objsel / objsel.c
1 /*
2  * Object Picker Dialog
3  *
4  * Copyright 2005 Thomas Weidenmueller <w3seek@reactos.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include "objsel_private.h"
22
23 #include "wine/debug.h"
24
25 WINE_DEFAULT_DEBUG_CHANNEL(objsel);
26
27 LONG dll_refs = 0;
28 static HINSTANCE hInstance;
29
30 /***********************************************************************
31  *              DllEntryPoint
32  */
33 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
34 {
35     switch(fdwReason)
36     {
37         case DLL_PROCESS_ATTACH:
38             hInstance = hinstDLL;
39             DisableThreadLibraryCalls(hInstance);
40             break;
41     }
42     return TRUE;
43 }
44
45
46 /***********************************************************************
47  *              DllGetClassObject (OBJSEL.@)
48  */
49 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
50 {
51     TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
52
53     *ppv = NULL;
54
55     if (IsEqualGUID(rclsid, &CLSID_DsObjectPicker))
56         return IClassFactory_QueryInterface((IClassFactory*)&OBJSEL_ClassFactory, iid, ppv);
57
58     FIXME("CLSID: %s, IID: %s\n", debugstr_guid(rclsid), debugstr_guid(iid));
59     return CLASS_E_CLASSNOTAVAILABLE;
60 }
61
62
63 /***********************************************************************
64  *              DllCanUnloadNow (OBJSEL.@)
65  */
66 HRESULT WINAPI DllCanUnloadNow(void)
67 {
68     return dll_refs != 0 ? S_FALSE : S_OK;
69 }
70
71
72 /**********************************************************************
73  * OBJSEL_IDsObjectPicker_Destroy (also IUnknown)
74  */
75 static VOID OBJSEL_IDsObjectPicker_Destroy(IDsObjectPickerImpl *This)
76 {
77     HeapFree(GetProcessHeap(),
78              0,
79              This);
80 }
81
82
83 /**********************************************************************
84  * OBJSEL_IDsObjectPicker_AddRef (also IUnknown)
85  */
86 static ULONG WINAPI OBJSEL_IDsObjectPicker_AddRef(IDsObjectPicker * iface)
87 {
88     IDsObjectPickerImpl *This = (IDsObjectPickerImpl *)iface;
89     ULONG ref;
90
91     TRACE("\n");
92
93     if (This == NULL) return E_POINTER;
94
95     ref = InterlockedIncrement(&This->ref);
96
97     if (ref == 1)
98     {
99         InterlockedIncrement(&dll_refs);
100     }
101
102     return ref;
103 }
104
105
106 /**********************************************************************
107  * OBJSEL_IDsObjectPicker_Release (also IUnknown)
108  */
109 static ULONG WINAPI OBJSEL_IDsObjectPicker_Release(IDsObjectPicker * iface)
110 {
111     IDsObjectPickerImpl *This = (IDsObjectPickerImpl *)iface;
112     ULONG ref;
113
114     TRACE("\n");
115
116     if (This == NULL) return E_POINTER;
117
118     ref = InterlockedDecrement(&This->ref);
119
120     if (ref == 0)
121     {
122         InterlockedDecrement(&dll_refs);
123         OBJSEL_IDsObjectPicker_Destroy(This);
124     }
125
126     return ref;
127 }
128
129
130 /**********************************************************************
131  * OBJSEL_IDsObjectPicker_QueryInterface (also IUnknown)
132  */
133 static HRESULT WINAPI OBJSEL_IDsObjectPicker_QueryInterface(
134     IDsObjectPicker * iface,
135     REFIID riid,
136     LPVOID *ppvObj)
137 {
138     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
139
140     if (ppvObj == NULL) return E_POINTER;
141
142     if (IsEqualGUID(riid, &IID_IUnknown) ||
143         IsEqualGUID(riid, &IID_IDsObjectPicker))
144     {
145         *ppvObj = iface;
146         OBJSEL_IDsObjectPicker_AddRef(iface);
147         return S_OK;
148     }
149
150     FIXME("- no interface IID: %s\n", debugstr_guid(riid));
151     return E_NOINTERFACE;
152 }
153
154
155 /**********************************************************************
156  * OBJSEL_IDsObjectPicker_Initialize
157  */
158 static HRESULT WINAPI OBJSEL_IDsObjectPicker_Initialize(
159     IDsObjectPicker * iface,
160     PDSOP_INIT_INFO pInitInfo)
161 {
162     FIXME("stub!\n");
163     return S_OK;
164 }
165
166
167 /**********************************************************************
168  * OBJSEL_IDsObjectPicker_InvokeDialog
169  */
170 static HRESULT WINAPI OBJSEL_IDsObjectPicker_InvokeDialog(
171     IDsObjectPicker * iface,
172     HWND hwndParent,
173     IDataObject** ppdoSelections)
174 {
175     FIXME("stub!\n");
176     return S_FALSE;
177 }
178
179
180 /**********************************************************************
181  * IDsObjectPicker_Vtbl
182  */
183 static IDsObjectPickerVtbl IDsObjectPicker_Vtbl =
184 {
185     OBJSEL_IDsObjectPicker_QueryInterface,
186     OBJSEL_IDsObjectPicker_AddRef,
187     OBJSEL_IDsObjectPicker_Release,
188     OBJSEL_IDsObjectPicker_Initialize,
189     OBJSEL_IDsObjectPicker_InvokeDialog
190 };
191
192
193 /**********************************************************************
194  * OBJSEL_IDsObjectPicker_Create
195  */
196 HRESULT WINAPI OBJSEL_IDsObjectPicker_Create(LPVOID *ppvObj)
197 {
198     IDsObjectPickerImpl *Instance = HeapAlloc(GetProcessHeap(),
199                                               HEAP_ZERO_MEMORY,
200                                               sizeof(IDsObjectPickerImpl));
201     if (Instance != NULL)
202     {
203         Instance->lpVtbl = &IDsObjectPicker_Vtbl;
204         OBJSEL_IDsObjectPicker_AddRef((IDsObjectPicker *)Instance);
205         
206         *ppvObj = Instance;
207         return S_OK;
208     }
209     else
210         return E_OUTOFMEMORY;
211 }