Wine-0_9_1 vendor import
[reactos.git] / reactos / lib / dplayx / current / 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 }