Sweden-Number/dlls/shdocvw/factory.c

126 lines
3.6 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 IWebBrowser class factory
*
* (Based on implementation in ddraw/main.c)
*/
/**********************************************************************
* WBCF_QueryInterface (IUnknown)
*/
static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
REFIID riid, LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE ("\n");
/*
* Perform a sanity check on the parameters.
*/
if ((This == NULL) || (ppobj == NULL) )
return E_INVALIDARG;
return E_NOINTERFACE;
}
/************************************************************************
* WBCF_AddRef (IUnknown)
*/
static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
return refCount;
}
/************************************************************************
* WBCF_Release (IUnknown)
*/
static ULONG WINAPI WBCF_Release(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
/* static class, won't be freed */
TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
return refCount;
}
/************************************************************************
* WBCF_CreateInstance (IClassFactory)
*/
static HRESULT WINAPI WBCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
REFIID riid, LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
/* Don't support aggregation (yet?) */
if (pOuter)
{
TRACE ("Failed attempt to aggregate IWebBrowser\n");
return CLASS_E_NOAGGREGATION;
}
TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
if ((IsEqualGUID (&IID_IOleObject, riid)))
{
TRACE ("Instantiating IOleObject component\n");
*ppobj = (LPVOID)&SHDOCVW_OleObject;
return S_OK;
}
return CLASS_E_CLASSNOTAVAILABLE;
}
/************************************************************************
* WBCF_LockServer (IClassFactory)
*/
static HRESULT WINAPI WBCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
FIXME("(%p)->(%d),stub!\n", This, dolock);
return S_OK;
}
static IClassFactoryVtbl WBCF_Vtbl =
{
WBCF_QueryInterface,
WBCF_AddRef,
WBCF_Release,
WBCF_CreateInstance,
WBCF_LockServer
};
IClassFactoryImpl SHDOCVW_ClassFactory = { &WBCF_Vtbl, 1 };