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 }