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 "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 }