Call the equivalent delegate function for all of the simple
[wine] / dlls / devenum / factory.c
1 /*
2  *      ClassFactory implementation for DEVENUM.dll
3  *
4  * Copyright (C) 2002 John K. Hohm
5  * Copyright (C) 2002 Robert Shearman
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  */
21
22 #include "devenum_private.h"
23
24 #include "wine/debug.h"
25
26 WINE_DEFAULT_DEBUG_CHANNEL(devenum);
27
28 /**********************************************************************
29  * DEVENUM_IClassFactory_QueryInterface (also IUnknown)
30  */
31 static HRESULT WINAPI DEVENUM_IClassFactory_QueryInterface(
32     LPCLASSFACTORY iface,
33     REFIID riid,
34     LPVOID *ppvObj)
35 {
36     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
37
38     if (ppvObj == NULL) return E_POINTER;
39
40     if (IsEqualGUID(riid, &IID_IUnknown) ||
41         IsEqualGUID(riid, &IID_IClassFactory))
42     {
43         *ppvObj = (LPVOID)iface;
44         IClassFactory_AddRef(iface);
45         return S_OK;
46     }
47     else if (IsEqualGUID(riid, &IID_IParseDisplayName))
48     {
49         return IClassFactory_CreateInstance(iface, NULL, riid, ppvObj);
50     }
51
52     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
53     return E_NOINTERFACE;
54 }
55
56 /**********************************************************************
57  * DEVENUM_IClassFactory_AddRef (also IUnknown)
58  */
59 static ULONG WINAPI DEVENUM_IClassFactory_AddRef(LPCLASSFACTORY iface)
60 {
61     TRACE("\n");
62
63     DEVENUM_LockModule();
64
65     return 2; /* non-heap based object */
66 }
67
68 /**********************************************************************
69  * DEVENUM_IClassFactory_Release (also IUnknown)
70  */
71 static ULONG WINAPI DEVENUM_IClassFactory_Release(LPCLASSFACTORY iface)
72 {
73     TRACE("\n");
74
75     DEVENUM_UnlockModule();
76
77     return 1; /* non-heap based object */
78 }
79
80 /**********************************************************************
81  * DEVENUM_IClassFactory_CreateInstance
82  */
83 static HRESULT WINAPI DEVENUM_IClassFactory_CreateInstance(
84     LPCLASSFACTORY iface,
85     LPUNKNOWN pUnkOuter,
86     REFIID riid,
87     LPVOID *ppvObj)
88 {
89     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
90
91     if (ppvObj == NULL) return E_POINTER;
92
93     /* Don't support aggregation (Windows doesn't) */
94     if (pUnkOuter != NULL) return CLASS_E_NOAGGREGATION;
95
96     if (IsEqualGUID(&IID_ICreateDevEnum, riid))
97     {
98         *ppvObj = &DEVENUM_CreateDevEnum;
99         return S_OK;
100     }
101     if (IsEqualGUID(&IID_IParseDisplayName, riid))
102     {
103         *ppvObj = &DEVENUM_ParseDisplayName;
104         return S_OK;
105     }
106
107     return CLASS_E_CLASSNOTAVAILABLE;
108 }
109
110 /**********************************************************************
111  * DEVENUM_IClassFactory_LockServer
112  */
113 static HRESULT WINAPI DEVENUM_IClassFactory_LockServer(
114     LPCLASSFACTORY iface,
115     BOOL fLock)
116 {
117     TRACE("\n");
118
119     if (fLock)
120         DEVENUM_LockModule();
121     else
122         DEVENUM_UnlockModule();
123     return S_OK;
124 }
125
126 /**********************************************************************
127  * IClassFactory_Vtbl
128  */
129 static const IClassFactoryVtbl IClassFactory_Vtbl =
130 {
131     DEVENUM_IClassFactory_QueryInterface,
132     DEVENUM_IClassFactory_AddRef,
133     DEVENUM_IClassFactory_Release,
134     DEVENUM_IClassFactory_CreateInstance,
135     DEVENUM_IClassFactory_LockServer
136 };
137
138 /**********************************************************************
139  * static ClassFactory instance
140  */
141 ClassFactoryImpl DEVENUM_ClassFactory = { &IClassFactory_Vtbl };