dlls/wiaservc/factory.c

   1 /*
   2  * Class factory interface for WiaServc
   3  *
   4  * Copyright (C) 2009 Damjan Jovanovic
   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 "objbase.h"
  24 #include "winuser.h"
  25 #include "winreg.h"
  26 #include "initguid.h"
  27 #include "wia_lh.h"
  28
  29 #include "wiaservc_private.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(wia);
  34
  35 static ULONG WINAPI
  36 WIASERVC_IClassFactory_AddRef(LPCLASSFACTORY iface)
  37 {
  38     return 2;
  39 }
  40
  41 static HRESULT WINAPI
  42 WIASERVC_IClassFactory_QueryInterface(LPCLASSFACTORY iface, REFIID riid,
  43                                       LPVOID *ppvObj)
  44 {
  45     ClassFactoryImpl *This = (ClassFactoryImpl *) iface;
  46
  47     if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IClassFactory))
  48     {
  49         *ppvObj = &This->lpVtbl;
  50         return S_OK;
  51     }
  52
  53     *ppvObj = NULL;
  54     return E_NOINTERFACE;
  55 }
  56
  57 static ULONG WINAPI
  58 WIASERVC_IClassFactory_Release(LPCLASSFACTORY iface)
  59 {
  60     return 1;
  61 }
  62
  63 static HRESULT WINAPI
  64 WIASERVC_IClassFactory_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pUnkOuter,
  65                                       REFIID riid, LPVOID *ppvObj)
  66 {
  67     HRESULT res;
  68     IUnknown *punk = NULL;
  69
  70     TRACE("IID: %s\n", debugstr_guid(riid));
  71
  72     if (pUnkOuter)
  73         return CLASS_E_NOAGGREGATION;
  74
  75     res = wiadevmgr_Constructor(pUnkOuter, (LPVOID*) &punk);
  76     if (FAILED(res))
  77         return res;
  78
  79     res = IUnknown_QueryInterface(punk, riid, ppvObj);
  80     IUnknown_Release(punk);
  81     return res;
  82 }
  83
  84 static HRESULT WINAPI
  85 WIASERVC_IClassFactory_LockServer(LPCLASSFACTORY iface, BOOL fLock)
  86 {
  87     FIXME("Not implemented\n");
  88     return E_NOTIMPL;
  89 }
  90
  91 static const IClassFactoryVtbl WIASERVC_IClassFactory_Vtbl =
  92 {
  93     WIASERVC_IClassFactory_QueryInterface,
  94     WIASERVC_IClassFactory_AddRef,
  95     WIASERVC_IClassFactory_Release,
  96     WIASERVC_IClassFactory_CreateInstance,
  97     WIASERVC_IClassFactory_LockServer
  98 };
  99
 100 ClassFactoryImpl WIASERVC_ClassFactory =
 101 {
 102     &WIASERVC_IClassFactory_Vtbl
 103 };