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 "dpinit.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dplay);
  37
  38
  39 /*******************************************************************************
  40  * DirectPlayLobby ClassFactory
  41  */
  42
  43 typedef struct
  44 {
  45     /* IUnknown fields */
  46     const IClassFactoryVtbl    *lpVtbl;
  47     LONG                        ref;
  48 } IClassFactoryImpl;
  49
  50 static HRESULT WINAPI
  51 DP_and_DPL_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
  52         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  53
  54         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
  55
  56         return E_NOINTERFACE;
  57 }
  58
  59 static ULONG WINAPI
  60 DP_and_DPL_AddRef(LPCLASSFACTORY iface) {
  61         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  62         return InterlockedIncrement(&This->ref);
  63 }
  64
  65 static ULONG WINAPI DP_and_DPL_Release(LPCLASSFACTORY iface) {
  66         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  67         /* static class (reference starts @ 1), won't ever be freed */
  68         return InterlockedDecrement(&This->ref);
  69 }
  70
  71 static HRESULT WINAPI DP_and_DPL_CreateInstance(
  72         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
  73 ) {
  74         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  75
  76         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
  77
  78         if ( DPL_CreateInterface( riid, ppobj ) == S_OK )
  79         {
  80            return S_OK;
  81         }
  82         else if ( DP_CreateInterface( riid, ppobj ) == S_OK )
  83         {
  84            return S_OK;
  85         }
  86
  87         return E_NOINTERFACE;
  88 }
  89
  90 static HRESULT WINAPI DP_and_DPL_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
  91         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  92         FIXME("(%p)->(%d),stub!\n",This,dolock);
  93         return S_OK;
  94 }
  95
  96 static const IClassFactoryVtbl DP_and_DPL_Vtbl = {
  97         DP_and_DPL_QueryInterface,
  98         DP_and_DPL_AddRef,
  99         DP_and_DPL_Release,
 100         DP_and_DPL_CreateInstance,
 101         DP_and_DPL_LockServer
 102 };
 103
 104 static IClassFactoryImpl DP_and_DPL_CF = {&DP_and_DPL_Vtbl, 1 };
 105
 106
 107 /*******************************************************************************
 108  * DllGetClassObject [DPLAYX.@]
 109  * Retrieves DP or DPL class object from a DLL object
 110  *
 111  * NOTES
 112  *    Docs say returns STDAPI
 113  *
 114  * PARAMS
 115  *    rclsid [I] CLSID for the class object
 116  *    riid   [I] Reference to identifier of interface for class object
 117  *    ppv    [O] Address of variable to receive interface pointer for riid
 118  *
 119  * RETURNS
 120  *    Success: S_OK
 121  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 122  *             E_UNEXPECTED
 123  */
 124 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 125 {
 126     TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 127
 128     if ( IsEqualCLSID( riid, &IID_IClassFactory ) )
 129     {
 130         *ppv = &DP_and_DPL_CF;
 131         IClassFactory_AddRef( (IClassFactory*)*ppv );
 132
 133         return S_OK;
 134     }
 135
 136     ERR("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 137     return CLASS_E_CLASSNOTAVAILABLE;
 138 }