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 "winuser.h"
28 #include "objbase.h"
29 #include "winerror.h"
30 #include "wine/debug.h"
31 #include "dplay.h"
32 #include "dplobby.h"
33 #include "initguid.h"
34 #include "dplay_global.h"
35 
36 WINE_DEFAULT_DEBUG_CHANNEL(dplay);
37 
38 
39 typedef struct
40 {
41     IClassFactory IClassFactory_iface;
42     HRESULT (*createinstance)(REFIID riid, void **ppv);
43 } IClassFactoryImpl;
44 
45 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
46 {
47     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
48 }
49 
50 static HRESULT WINAPI IClassFactoryImpl_QueryInterface(IClassFactory *iface, REFIID riid,
51         void **ppv)
52 {
53     TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
54 
55     if (IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
56     {
57         *ppv = iface;
58         IClassFactory_AddRef(iface);
59         return S_OK;
60     }
61 
62     *ppv = NULL;
63     WARN("no interface for %s\n", debugstr_guid(riid));
64     return E_NOINTERFACE;
65 }
66 
67 static ULONG WINAPI IClassFactoryImpl_AddRef(IClassFactory *iface)
68 {
69     return 2; /* non-heap based object */
70 }
71 
72 static ULONG WINAPI IClassFactoryImpl_Release(IClassFactory *iface)
73 {
74     return 1; /* non-heap based object */
75 }
76 
77 static HRESULT WINAPI IClassFactoryImpl_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
78         REFIID riid, void **ppv)
79 {
80     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
81 
82     TRACE("(%p)->(%p,%s,%p)\n", iface, pOuter, debugstr_guid(riid), ppv);
83 
84     if (pOuter)
85         return CLASS_E_NOAGGREGATION;
86 
87     return This->createinstance(riid, ppv);
88 }
89 
90 static HRESULT WINAPI IClassFactoryImpl_LockServer(IClassFactory *iface, BOOL dolock)
91 {
92     FIXME("(%p)->(%d),stub!\n", iface, dolock);
93     return S_OK;
94 }
95 
96 static const IClassFactoryVtbl cf_vt = {
97     IClassFactoryImpl_QueryInterface,
98     IClassFactoryImpl_AddRef,
99     IClassFactoryImpl_Release,
100     IClassFactoryImpl_CreateInstance,
101     IClassFactoryImpl_LockServer
102 };
103 
104 static IClassFactoryImpl dplay_cf = {{&cf_vt}, dplay_create};
105 static IClassFactoryImpl dplaylobby_cf = {{&cf_vt}, dplobby_create};
106 
107 
108 /*******************************************************************************
109  * DllGetClassObject [DPLAYX.@]
110  * Retrieves DP or DPL class object from a DLL object
111  *
112  * NOTES
113  *    Docs say returns STDAPI
114  *
115  * PARAMS
116  *    rclsid [I] CLSID for the class object
117  *    riid   [I] Reference to identifier of interface for class object
118  *    ppv    [O] Address of variable to receive interface pointer for riid
119  *
120  * RETURNS
121  *    Success: S_OK
122  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
123  *             E_UNEXPECTED
124  */
125 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
126 {
127     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
128 
129     if (IsEqualCLSID(&CLSID_DirectPlay, rclsid))
130         return IClassFactory_QueryInterface(&dplay_cf.IClassFactory_iface, riid, ppv);
131 
132     if (IsEqualCLSID(&CLSID_DirectPlayLobby, rclsid))
133         return IClassFactory_QueryInterface(&dplaylobby_cf.IClassFactory_iface, riid, ppv);
134 
135     FIXME("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
136     return CLASS_E_CLASSNOTAVAILABLE;
137 }
138