dlls/wuapi/main.c

   1 /*
   2  * WUAPI implementation
   3  *
   4  * Copyright 2008 Hans Leidekker
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include "config.h"
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "wuapi.h"
  31
  32 #include "wine/debug.h"
  33 #include "wuapi_private.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(wuapi);
  36
  37 typedef HRESULT (*fnCreateInstance)( IUnknown *pUnkOuter, LPVOID *ppObj );
  38
  39 typedef struct _wucf
  40 {
  41     const struct IClassFactoryVtbl *vtbl;
  42     fnCreateInstance pfnCreateInstance;
  43 } wucf;
  44
  45 static inline wucf *impl_from_IClassFactory( IClassFactory *iface )
  46 {
  47     return (wucf *)((char *)iface - FIELD_OFFSET( wucf, vtbl ));
  48 }
  49
  50 static HRESULT WINAPI wucf_QueryInterface( IClassFactory *iface, REFIID riid, LPVOID *ppobj )
  51 {
  52     if (IsEqualGUID(riid, &IID_IUnknown) ||
  53         IsEqualGUID(riid, &IID_IClassFactory))
  54     {
  55         IClassFactory_AddRef( iface );
  56         *ppobj = iface;
  57         return S_OK;
  58     }
  59     FIXME("interface %s not implemented\n", debugstr_guid(riid));
  60     return E_NOINTERFACE;
  61 }
  62
  63 static ULONG WINAPI wucf_AddRef( IClassFactory *iface )
  64 {
  65     return 2;
  66 }
  67
  68 static ULONG WINAPI wucf_Release( IClassFactory *iface )
  69 {
  70     return 1;
  71 }
  72
  73 static HRESULT WINAPI wucf_CreateInstance( IClassFactory *iface, LPUNKNOWN pOuter,
  74                                            REFIID riid, LPVOID *ppobj )
  75 {
  76     wucf *This = impl_from_IClassFactory( iface );
  77     HRESULT r;
  78     IUnknown *punk;
  79
  80     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj);
  81
  82     *ppobj = NULL;
  83
  84     if (pOuter)
  85         return CLASS_E_NOAGGREGATION;
  86
  87     r = This->pfnCreateInstance( pOuter, (LPVOID *)&punk );
  88     if (FAILED(r))
  89         return r;
  90
  91     r = IUnknown_QueryInterface( punk, riid, ppobj );
  92     if (FAILED(r))
  93         return r;
  94
  95     IUnknown_Release( punk );
  96     return r;
  97 }
  98
  99 static HRESULT WINAPI wucf_LockServer( IClassFactory *iface, BOOL dolock )
 100 {
 101     FIXME("(%p)->(%d)\n", iface, dolock);
 102     return S_OK;
 103 }
 104
 105 static const struct IClassFactoryVtbl wucf_vtbl =
 106 {
 107     wucf_QueryInterface,
 108     wucf_AddRef,
 109     wucf_Release,
 110     wucf_CreateInstance,
 111     wucf_LockServer
 112 };
 113
 114 static wucf sessioncf = { &wucf_vtbl, UpdateSession_create };
 115 static wucf updatescf = { &wucf_vtbl, AutomaticUpdates_create };
 116
 117 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID lpv )
 118 {
 119     switch(reason)
 120     {
 121     case DLL_WINE_PREATTACH:
 122         return FALSE;  /* prefer native version */
 123     case DLL_PROCESS_ATTACH:
 124         DisableThreadLibraryCalls( hinst );
 125         break;
 126     case DLL_PROCESS_DETACH:
 127         break;
 128     }
 129     return TRUE;
 130 }
 131
 132 HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID iid, LPVOID *ppv )
 133 {
 134     IClassFactory *cf = NULL;
 135
 136     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 137
 138     if (IsEqualGUID( rclsid, &CLSID_UpdateSession ))
 139     {
 140        cf = (IClassFactory *)&sessioncf.vtbl;
 141     }
 142     else if (IsEqualGUID( rclsid, &CLSID_AutomaticUpdates ))
 143     {
 144        cf = (IClassFactory *)&updatescf.vtbl;
 145     }
 146     if (!cf) return CLASS_E_CLASSNOTAVAILABLE;
 147     return IClassFactory_QueryInterface( cf, iid, ppv );
 148 }
 149
 150 HRESULT WINAPI DllCanUnloadNow( void )
 151 {
 152     return S_FALSE;
 153 }