dll/directx/wine/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 "dplayx_global.h"
  21
  22 typedef struct
  23 {
  24     IClassFactory IClassFactory_iface;
  25     HRESULT (*createinstance)(REFIID riid, void **ppv);
  26 } IClassFactoryImpl;
  27
  28 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  29 {
  30     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  31 }
  32
  33 static HRESULT WINAPI IClassFactoryImpl_QueryInterface(IClassFactory *iface, REFIID riid,
  34         void **ppv)
  35 {
  36     TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  37
  38     if (IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
  39     {
  40         *ppv = iface;
  41         IClassFactory_AddRef(iface);
  42         return S_OK;
  43     }
  44
  45     *ppv = NULL;
  46     WARN("no interface for %s\n", debugstr_guid(riid));
  47     return E_NOINTERFACE;
  48 }
  49
  50 static ULONG WINAPI IClassFactoryImpl_AddRef(IClassFactory *iface)
  51 {
  52     return 2; /* non-heap based object */
  53 }
  54
  55 static ULONG WINAPI IClassFactoryImpl_Release(IClassFactory *iface)
  56 {
  57     return 1; /* non-heap based object */
  58 }
  59
  60 static HRESULT WINAPI IClassFactoryImpl_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
  61         REFIID riid, void **ppv)
  62 {
  63     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  64
  65     TRACE("(%p)->(%p,%s,%p)\n", iface, pOuter, debugstr_guid(riid), ppv);
  66
  67     if (pOuter)
  68         return CLASS_E_NOAGGREGATION;
  69
  70     return This->createinstance(riid, ppv);
  71 }
  72
  73 static HRESULT WINAPI IClassFactoryImpl_LockServer(IClassFactory *iface, BOOL dolock)
  74 {
  75     FIXME("(%p)->(%d),stub!\n", iface, dolock);
  76     return S_OK;
  77 }
  78
  79 static const IClassFactoryVtbl cf_vt = {
  80     IClassFactoryImpl_QueryInterface,
  81     IClassFactoryImpl_AddRef,
  82     IClassFactoryImpl_Release,
  83     IClassFactoryImpl_CreateInstance,
  84     IClassFactoryImpl_LockServer
  85 };
  86
  87 static IClassFactoryImpl dplay_cf = {{&cf_vt}, dplay_create};
  88 static IClassFactoryImpl dplaylobby_cf = {{&cf_vt}, dplobby_create};
  89
  90
  91 /*******************************************************************************
  92  * DllGetClassObject [DPLAYX.@]
  93  * Retrieves DP or DPL class object from a DLL object
  94  *
  95  * NOTES
  96  *    Docs say returns STDAPI
  97  *
  98  * PARAMS
  99  *    rclsid [I] CLSID for the class object
 100  *    riid   [I] Reference to identifier of interface for class object
 101  *    ppv    [O] Address of variable to receive interface pointer for riid
 102  *
 103  * RETURNS
 104  *    Success: S_OK
 105  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 106  *             E_UNEXPECTED
 107  */
 108 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 109 {
 110     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 111
 112     if (IsEqualCLSID(&CLSID_DirectPlay, rclsid))
 113         return IClassFactory_QueryInterface(&dplay_cf.IClassFactory_iface, riid, ppv);
 114
 115     if (IsEqualCLSID(&CLSID_DirectPlayLobby, rclsid))
 116         return IClassFactory_QueryInterface(&dplaylobby_cf.IClassFactory_iface, riid, ppv);
 117
 118     FIXME("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 119     return CLASS_E_CLASSNOTAVAILABLE;
 120 }