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     IClassFactory IClassFactory_iface;
  47     LONG          ref;
  48 } IClassFactoryImpl;
  49
  50 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  51 {
  52     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  53 }
  54
  55 static HRESULT WINAPI
  56 DP_and_DPL_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
  57         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  58
  59         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
  60
  61         return E_NOINTERFACE;
  62 }
  63
  64 static ULONG WINAPI
  65 DP_and_DPL_AddRef(LPCLASSFACTORY iface) {
  66         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  67         return InterlockedIncrement(&This->ref);
  68 }
  69
  70 static ULONG WINAPI DP_and_DPL_Release(LPCLASSFACTORY iface) {
  71         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  72         /* static class (reference starts @ 1), won't ever be freed */
  73         return InterlockedDecrement(&This->ref);
  74 }
  75
  76 static HRESULT WINAPI DP_and_DPL_CreateInstance(
  77         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
  78 ) {
  79         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  80
  81         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
  82
  83         if ( DPL_CreateInterface( riid, ppobj ) == S_OK )
  84         {
  85            return S_OK;
  86         }
  87         else if ( DP_CreateInterface( riid, ppobj ) == S_OK )
  88         {
  89            return S_OK;
  90         }
  91
  92         return E_NOINTERFACE;
  93 }
  94
  95 static HRESULT WINAPI DP_and_DPL_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
  96         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  97         FIXME("(%p)->(%d),stub!\n",This,dolock);
  98         return S_OK;
  99 }
 100
 101 static const IClassFactoryVtbl DP_and_DPL_Vtbl = {
 102         DP_and_DPL_QueryInterface,
 103         DP_and_DPL_AddRef,
 104         DP_and_DPL_Release,
 105         DP_and_DPL_CreateInstance,
 106         DP_and_DPL_LockServer
 107 };
 108
 109 static IClassFactoryImpl DP_and_DPL_CF = {{&DP_and_DPL_Vtbl}, 1 };
 110
 111
 112 /*******************************************************************************
 113  * DllGetClassObject [DPLAYX.@]
 114  * Retrieves DP or DPL class object from a DLL object
 115  *
 116  * NOTES
 117  *    Docs say returns STDAPI
 118  *
 119  * PARAMS
 120  *    rclsid [I] CLSID for the class object
 121  *    riid   [I] Reference to identifier of interface for class object
 122  *    ppv    [O] Address of variable to receive interface pointer for riid
 123  *
 124  * RETURNS
 125  *    Success: S_OK
 126  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 127  *             E_UNEXPECTED
 128  */
 129 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 130 {
 131     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 132
 133     if ( IsEqualCLSID( riid, &IID_IClassFactory ) )
 134     {
 135         *ppv = &DP_and_DPL_CF;
 136         IClassFactory_AddRef( (IClassFactory*)*ppv );
 137
 138         return S_OK;
 139     }
 140
 141     ERR("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 142     return CLASS_E_CLASSNOTAVAILABLE;
 143 }