Sweden-Number/dlls/shdocvw/factory.c

124 lines
3.3 KiB
C

/*
* Implementation of class factory for IE Web Browser
*
* Copyright 2001 John R. Sheets (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
#include "wine/debug.h"
#include "shdocvw.h"
WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
/**********************************************************************
* Implement the WebBrowser class factory
*
* (Based on implementation in ddraw/main.c)
*/
typedef struct
{
/* IUnknown fields */
const IClassFactoryVtbl *lpVtbl;
HRESULT (*cf)(LPUNKNOWN, REFIID, LPVOID *);
LONG ref;
} IClassFactoryImpl;
/**********************************************************************
* WBCF_QueryInterface (IUnknown)
*/
static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
REFIID riid, LPVOID *ppobj)
{
TRACE("(%s %p)\n", debugstr_guid(riid), ppobj);
if (!ppobj)
return E_POINTER;
if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid)) {
*ppobj = iface;
return S_OK;
}
WARN("Not supported interface %s\n", debugstr_guid(riid));
*ppobj = NULL;
return E_NOINTERFACE;
}
/************************************************************************
* WBCF_AddRef (IUnknown)
*/
static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
{
SHDOCVW_LockModule();
return 2; /* non-heap based object */
}
/************************************************************************
* WBCF_Release (IUnknown)
*/
static ULONG WINAPI WBCF_Release(LPCLASSFACTORY iface)
{
SHDOCVW_UnlockModule();
return 1; /* non-heap based object */
}
/************************************************************************
* WBCF_CreateInstance (IClassFactory)
*/
static HRESULT WINAPI WBCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
REFIID riid, LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *) iface;
return This->cf(pOuter, riid, ppobj);
}
/************************************************************************
* WBCF_LockServer (IClassFactory)
*/
static HRESULT WINAPI WBCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
TRACE("(%d)\n", dolock);
if (dolock)
SHDOCVW_LockModule();
else
SHDOCVW_UnlockModule();
return S_OK;
}
static const IClassFactoryVtbl WBCF_Vtbl =
{
WBCF_QueryInterface,
WBCF_AddRef,
WBCF_Release,
WBCF_CreateInstance,
WBCF_LockServer
};
static IClassFactoryImpl SHDOCVW_WBClassFactory = {&WBCF_Vtbl, WebBrowser_Create};
IClassFactory *get_class_factory(void)
{
return (IClassFactory*) &SHDOCVW_WBClassFactory;
}