Set the edition mode as a specific attribute, not an extension of the
[wine] / dlls / comcat / factory.c
1 /*
2  *      ClassFactory implementation for comcat.dll
3  *
4  * Copyright (C) 2002 John K. Hohm
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include "comcat_private.h"
22
23 #include "wine/debug.h"
24
25 WINE_DEFAULT_DEBUG_CHANNEL(ole);
26
27 static ULONG WINAPI COMCAT_IClassFactory_AddRef(LPCLASSFACTORY iface);
28
29 /**********************************************************************
30  * COMCAT_IClassFactory_QueryInterface (also IUnknown)
31  */
32 static HRESULT WINAPI COMCAT_IClassFactory_QueryInterface(
33     LPCLASSFACTORY iface,
34     REFIID riid,
35     LPVOID *ppvObj)
36 {
37     ICOM_THIS(ClassFactoryImpl, iface);
38     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
39
40     if (This == NULL || ppvObj == NULL) return E_POINTER;
41
42     if (IsEqualGUID(riid, &IID_IUnknown) ||
43         IsEqualGUID(riid, &IID_IClassFactory))
44     {
45         *ppvObj = (LPVOID)iface;
46         COMCAT_IClassFactory_AddRef(iface);
47         return S_OK;
48     }
49
50     return E_NOINTERFACE;
51 }
52
53 /**********************************************************************
54  * COMCAT_IClassFactory_AddRef (also IUnknown)
55  */
56 static ULONG WINAPI COMCAT_IClassFactory_AddRef(LPCLASSFACTORY iface)
57 {
58     ICOM_THIS(ClassFactoryImpl, iface);
59     TRACE("\n");
60
61     if (This == NULL) return E_POINTER;
62
63     if (InterlockedIncrement(&This->ref) == 1) {
64         InterlockedIncrement(&dll_ref);
65     }
66     return This->ref;
67 }
68
69 /**********************************************************************
70  * COMCAT_IClassFactory_Release (also IUnknown)
71  */
72 static ULONG WINAPI COMCAT_IClassFactory_Release(LPCLASSFACTORY iface)
73 {
74     ICOM_THIS(ClassFactoryImpl, iface);
75     TRACE("\n");
76
77     if (This == NULL) return E_POINTER;
78
79     if (InterlockedDecrement(&This->ref) == 0) {
80         InterlockedDecrement(&dll_ref);
81     }
82     return This->ref;
83 }
84
85 /**********************************************************************
86  * COMCAT_IClassFactory_CreateInstance
87  */
88 static HRESULT WINAPI COMCAT_IClassFactory_CreateInstance(
89     LPCLASSFACTORY iface,
90     LPUNKNOWN pUnkOuter,
91     REFIID riid,
92     LPVOID *ppvObj)
93 {
94     ICOM_THIS(ClassFactoryImpl, iface);
95     HRESULT res;
96     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
97
98     if (This == NULL || ppvObj == NULL) return E_POINTER;
99
100     /* Don't support aggregation (Windows doesn't) */
101     if (pUnkOuter != NULL) return CLASS_E_NOAGGREGATION;
102
103     res = IUnknown_QueryInterface((LPUNKNOWN)&COMCAT_ComCatMgr, riid, ppvObj);
104     if (SUCCEEDED(res)) {
105         return res;
106     }
107
108     return CLASS_E_CLASSNOTAVAILABLE;
109 }
110
111 /**********************************************************************
112  * COMCAT_IClassFactory_LockServer
113  */
114 static HRESULT WINAPI COMCAT_IClassFactory_LockServer(
115     LPCLASSFACTORY iface,
116     BOOL fLock)
117 {
118     TRACE("\n");
119
120     if (fLock != FALSE) {
121         IClassFactory_AddRef(iface);
122     } else {
123         IClassFactory_Release(iface);
124     }
125     return S_OK;
126 }
127
128 /**********************************************************************
129  * IClassFactory_Vtbl
130  */
131 static ICOM_VTABLE(IClassFactory) IClassFactory_Vtbl =
132 {
133     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
134     COMCAT_IClassFactory_QueryInterface,
135     COMCAT_IClassFactory_AddRef,
136     COMCAT_IClassFactory_Release,
137     COMCAT_IClassFactory_CreateInstance,
138     COMCAT_IClassFactory_LockServer
139 };
140
141 /**********************************************************************
142  * static ClassFactory instance
143  */
144 ClassFactoryImpl COMCAT_ClassFactory = { &IClassFactory_Vtbl, 0 };