reactos/dll/win32/sti/sti_main.c

   1 /*
   2  * Copyright (C) 2002 Aric Stewart for CodeWeavers
   3  * Copyright (C) 2009 Damjan Jovanovic
   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
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winreg.h"
  27 #include "winerror.h"
  28 #include "objbase.h"
  29 #include "sti.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(sti);
  34
  35 extern HRESULT WINAPI STI_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
  36 extern BOOL WINAPI STI_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
  37
  38 typedef HRESULT (*fnCreateInstance)(REFIID riid, IUnknown *pUnkOuter, LPVOID *ppObj);
  39
  40 typedef struct
  41 {
  42     const struct IClassFactoryVtbl *vtbl;
  43     fnCreateInstance pfnCreateInstance;
  44 } sti_cf;
  45
  46 static inline sti_cf *impl_from_IClassFactory( IClassFactory *iface )
  47 {
  48     return (sti_cf *)((char *)iface - FIELD_OFFSET( sti_cf, vtbl ));
  49 }
  50
  51 static HRESULT sti_create( REFIID riid, IUnknown *pUnkOuter, LPVOID *ppObj )
  52 {
  53     if (pUnkOuter != NULL && !IsEqualIID(riid, &IID_IUnknown))
  54         return CLASS_E_NOAGGREGATION;
  55
  56     if (IsEqualGUID(riid, &IID_IUnknown))
  57         return StiCreateInstanceW(GetCurrentProcess(), STI_VERSION_REAL | STI_VERSION_FLAG_UNICODE, (PSTIW*) ppObj, pUnkOuter);
  58     else if (IsEqualGUID(riid, &IID_IStillImageW))
  59         return StiCreateInstanceW(GetCurrentProcess(), STI_VERSION_REAL | STI_VERSION_FLAG_UNICODE, (PSTIW*) ppObj, NULL);
  60     else if (IsEqualGUID(riid, &IID_IStillImageA))
  61         return StiCreateInstanceA(GetCurrentProcess(), STI_VERSION_REAL, (PSTIA*) ppObj, NULL);
  62     else
  63     {
  64         FIXME("no interface %s\n", debugstr_guid(riid));
  65         return E_NOINTERFACE;
  66     }
  67 }
  68
  69 static HRESULT WINAPI sti_cf_QueryInterface( IClassFactory *iface, REFIID riid, LPVOID *ppobj )
  70 {
  71     if (IsEqualGUID(riid, &IID_IUnknown) ||
  72         IsEqualGUID(riid, &IID_IClassFactory))
  73     {
  74         IClassFactory_AddRef( iface );
  75         *ppobj = iface;
  76         return S_OK;
  77     }
  78     FIXME("interface %s not implemented\n", debugstr_guid(riid));
  79     return E_NOINTERFACE;
  80 }
  81
  82 static ULONG WINAPI sti_cf_AddRef( IClassFactory *iface )
  83 {
  84     return 2;
  85 }
  86
  87 static ULONG WINAPI sti_cf_Release( IClassFactory *iface )
  88 {
  89     return 1;
  90 }
  91
  92 static HRESULT WINAPI sti_cf_CreateInstance( IClassFactory *iface, LPUNKNOWN pOuter,
  93                                              REFIID riid, LPVOID *ppobj )
  94 {
  95     sti_cf *This = impl_from_IClassFactory( iface );
  96     HRESULT r;
  97     IUnknown *punk;
  98
  99     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj);
 100
 101     *ppobj = NULL;
 102
 103     r = This->pfnCreateInstance( riid, pOuter, (LPVOID *)&punk );
 104     if (FAILED(r))
 105         return r;
 106
 107     r = IUnknown_QueryInterface( punk, riid, ppobj );
 108     if (FAILED(r))
 109         return r;
 110
 111     IUnknown_Release( punk );
 112     return r;
 113 }
 114
 115 static HRESULT WINAPI sti_cf_LockServer( IClassFactory *iface, BOOL dolock )
 116 {
 117     FIXME("(%p)->(%d)\n", iface, dolock);
 118     return S_OK;
 119 }
 120
 121 static const struct IClassFactoryVtbl sti_cf_vtbl =
 122 {
 123     sti_cf_QueryInterface,
 124     sti_cf_AddRef,
 125     sti_cf_Release,
 126     sti_cf_CreateInstance,
 127     sti_cf_LockServer
 128 };
 129
 130 static sti_cf the_sti_cf = { &sti_cf_vtbl, sti_create };
 131
 132 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
 133 {
 134     TRACE("(0x%p, %d, %p)\n",hInstDLL,fdwReason,lpvReserved);
 135
 136     if (fdwReason == DLL_WINE_PREATTACH)
 137         return FALSE;
 138     return STI_DllMain(hInstDLL, fdwReason, lpvReserved);
 139 }
 140
 141 /******************************************************************************
 142  *           DllGetClassObject   (STI.@)
 143  */
 144 HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID iid, LPVOID *ppv )
 145 {
 146     IClassFactory *cf = NULL;
 147
 148     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 149
 150     if (IsEqualGUID( rclsid, &CLSID_Sti ))
 151     {
 152        cf = (IClassFactory *)&the_sti_cf.vtbl;
 153     }
 154
 155     if (cf)
 156         return IClassFactory_QueryInterface( cf, iid, ppv );
 157     return STI_DllGetClassObject( rclsid, iid, ppv );
 158 }
 159
 160 /******************************************************************************
 161  *           DllCanUnloadNow   (STI.@)
 162  */
 163 HRESULT WINAPI DllCanUnloadNow( void )
 164 {
 165     return S_FALSE;
 166 }