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[wine] / dlls / dplayx / dpclassfactory.c
1 /* COM class factory for direct play lobby interfaces.
2  *
3  * Copyright 1999, 2000 Peter Hunnisett
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18  */
19
20 #include <stdarg.h>
21 #include <string.h>
22
23 #define COBJMACROS
24
25 #include "windef.h"
26 #include "winbase.h"
27 #include "objbase.h"
28 #include "winerror.h"
29 #include "wine/debug.h"
30 #include "dpinit.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(dplay);
33
34
35 /*******************************************************************************
36  * DirectPlayLobby ClassFactory
37  */
38
39 typedef struct
40 {
41     /* IUnknown fields */
42     const IClassFactoryVtbl    *lpVtbl;
43     LONG                        ref;
44 } IClassFactoryImpl;
45
46 static HRESULT WINAPI
47 DP_and_DPL_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
48         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
49
50         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
51
52         return E_NOINTERFACE;
53 }
54
55 static ULONG WINAPI
56 DP_and_DPL_AddRef(LPCLASSFACTORY iface) {
57         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
58         return InterlockedIncrement(&This->ref);
59 }
60
61 static ULONG WINAPI DP_and_DPL_Release(LPCLASSFACTORY iface) {
62         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
63         /* static class (reference starts @ 1), won't ever be freed */
64         return InterlockedDecrement(&This->ref);
65 }
66
67 static HRESULT WINAPI DP_and_DPL_CreateInstance(
68         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
69 ) {
70         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
71
72         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
73
74         if ( DPL_CreateInterface( riid, ppobj ) == S_OK )
75         {
76            return S_OK;
77         }
78         else if ( DP_CreateInterface( riid, ppobj ) == S_OK )
79         {
80            return S_OK;
81         }
82
83         return E_NOINTERFACE;
84 }
85
86 static HRESULT WINAPI DP_and_DPL_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
87         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
88         FIXME("(%p)->(%d),stub!\n",This,dolock);
89         return S_OK;
90 }
91
92 static const IClassFactoryVtbl DP_and_DPL_Vtbl = {
93         DP_and_DPL_QueryInterface,
94         DP_and_DPL_AddRef,
95         DP_and_DPL_Release,
96         DP_and_DPL_CreateInstance,
97         DP_and_DPL_LockServer
98 };
99
100 static IClassFactoryImpl DP_and_DPL_CF = {&DP_and_DPL_Vtbl, 1 };
101
102
103 /*******************************************************************************
104  * DllGetClassObject [DPLAYX.@]
105  * Retrieves DP or DPL class object from a DLL object
106  *
107  * NOTES
108  *    Docs say returns STDAPI
109  *
110  * PARAMS
111  *    rclsid [I] CLSID for the class object
112  *    riid   [I] Reference to identifier of interface for class object
113  *    ppv    [O] Address of variable to receive interface pointer for riid
114  *
115  * RETURNS
116  *    Success: S_OK
117  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
118  *             E_UNEXPECTED
119  */
120 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
121 {
122     TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
123
124     if ( IsEqualCLSID( riid, &IID_IClassFactory ) )
125     {
126         *ppv = (LPVOID)&DP_and_DPL_CF;
127         IClassFactory_AddRef( (IClassFactory*)*ppv );
128
129         return S_OK;
130     }
131
132     ERR("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
133     return CLASS_E_CLASSNOTAVAILABLE;
134 }