dlls/shdocvw/factory.c

   1 /*
   2  * Implementation of class factory for IE Web Browser
   3  *
   4  * Copyright 2001 John R. Sheets (for CodeWeavers)
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <string.h>
  22 #include "wine/debug.h"
  23 #include "shdocvw.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  26
  27 /**********************************************************************
  28  * Implement the IWebBrowser class factory
  29  *
  30  * (Based on implementation in ddraw/main.c)
  31  */
  32
  33 /**********************************************************************
  34  * WBCF_QueryInterface (IUnknown)
  35  */
  36 static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
  37                                           REFIID riid, LPVOID *ppobj)
  38 {
  39     ICOM_THIS(IClassFactoryImpl, iface);
  40
  41     TRACE ("\n");
  42
  43     /*
  44      * Perform a sanity check on the parameters.
  45      */
  46     if ((This == NULL) || (ppobj == NULL) )
  47         return E_INVALIDARG;
  48
  49     return E_NOINTERFACE;
  50 }
  51
  52 /************************************************************************
  53  * WBCF_AddRef (IUnknown)
  54  */
  55 static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
  56 {
  57     ICOM_THIS(IClassFactoryImpl, iface);
  58
  59     TRACE("\n");
  60     return ++(This->ref);
  61 }
  62
  63 /************************************************************************
  64  * WBCF_Release (IUnknown)
  65  */
  66 static ULONG WINAPI WBCF_Release(LPCLASSFACTORY iface)
  67 {
  68     ICOM_THIS(IClassFactoryImpl, iface);
  69
  70     /* static class, won't be freed */
  71     TRACE("\n");
  72     return --(This->ref);
  73 }
  74
  75 /************************************************************************
  76  * WBCF_CreateInstance (IClassFactory)
  77  */
  78 static HRESULT WINAPI WBCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
  79                                           REFIID riid, LPVOID *ppobj)
  80 {
  81     ICOM_THIS(IClassFactoryImpl, iface);
  82
  83     /* Don't support aggregation (yet?) */
  84     if (pOuter)
  85     {
  86         TRACE ("Failed attempt to aggregate IWebBrowser\n");
  87         return CLASS_E_NOAGGREGATION;
  88     }
  89
  90     TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
  91
  92     if ((IsEqualGUID (&IID_IOleObject, riid)))
  93     {
  94         TRACE ("Instantiating IOleObject component\n");
  95         *ppobj = (LPVOID)&SHDOCVW_OleObject;
  96
  97         return S_OK;
  98     }
  99     return CLASS_E_CLASSNOTAVAILABLE;
 100 }
 101
 102 /************************************************************************
 103  * WBCF_LockServer (IClassFactory)
 104  */
 105 static HRESULT WINAPI WBCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 106 {
 107     ICOM_THIS(IClassFactoryImpl, iface);
 108     FIXME("(%p)->(%d),stub!\n", This, dolock);
 109     return S_OK;
 110 }
 111
 112 static ICOM_VTABLE(IClassFactory) WBCF_Vtbl =
 113 {
 114     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 115     WBCF_QueryInterface,
 116     WBCF_AddRef,
 117     WBCF_Release,
 118     WBCF_CreateInstance,
 119     WBCF_LockServer
 120 };
 121
 122 IClassFactoryImpl SHDOCVW_ClassFactory = { &WBCF_Vtbl, 1 };