Sweden-Number/dlls/comcat/factory.c

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/*
* ClassFactory implementation for comcat.dll
*
* Copyright (C) 2002 John K. Hohm
*
* 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 "comcat_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
static ULONG WINAPI COMCAT_IClassFactory_AddRef(LPCLASSFACTORY iface);
/**********************************************************************
* COMCAT_IClassFactory_QueryInterface (also IUnknown)
*/
static HRESULT WINAPI COMCAT_IClassFactory_QueryInterface(
LPCLASSFACTORY iface,
REFIID riid,
LPVOID *ppvObj)
{
ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
if (This == NULL || ppvObj == NULL) return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IClassFactory))
{
*ppvObj = (LPVOID)iface;
COMCAT_IClassFactory_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
/**********************************************************************
* COMCAT_IClassFactory_AddRef (also IUnknown)
*/
static ULONG WINAPI COMCAT_IClassFactory_AddRef(LPCLASSFACTORY iface)
{
ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
ULONG ref;
TRACE("\n");
if (This == NULL) return E_POINTER;
ref = InterlockedIncrement(&This->ref);
if (ref == 1) {
InterlockedIncrement(&dll_ref);
}
return ref;
}
/**********************************************************************
* COMCAT_IClassFactory_Release (also IUnknown)
*/
static ULONG WINAPI COMCAT_IClassFactory_Release(LPCLASSFACTORY iface)
{
ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
ULONG ref;
TRACE("\n");
if (This == NULL) return E_POINTER;
ref = InterlockedDecrement(&This->ref);
if (ref == 0) {
InterlockedDecrement(&dll_ref);
}
return ref;
}
/**********************************************************************
* COMCAT_IClassFactory_CreateInstance
*/
static HRESULT WINAPI COMCAT_IClassFactory_CreateInstance(
LPCLASSFACTORY iface,
LPUNKNOWN pUnkOuter,
REFIID riid,
LPVOID *ppvObj)
{
ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
HRESULT res;
TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
if (This == NULL || ppvObj == NULL) return E_POINTER;
/* Don't support aggregation (Windows doesn't) */
if (pUnkOuter != NULL) return CLASS_E_NOAGGREGATION;
res = IUnknown_QueryInterface((LPUNKNOWN)&COMCAT_ComCatMgr, riid, ppvObj);
if (SUCCEEDED(res)) {
return res;
}
return CLASS_E_CLASSNOTAVAILABLE;
}
/**********************************************************************
* COMCAT_IClassFactory_LockServer
*/
static HRESULT WINAPI COMCAT_IClassFactory_LockServer(
LPCLASSFACTORY iface,
BOOL fLock)
{
TRACE("\n");
if (fLock != FALSE) {
IClassFactory_AddRef(iface);
} else {
IClassFactory_Release(iface);
}
return S_OK;
}
/**********************************************************************
* IClassFactory_Vtbl
*/
static IClassFactoryVtbl IClassFactory_Vtbl =
{
COMCAT_IClassFactory_QueryInterface,
COMCAT_IClassFactory_AddRef,
COMCAT_IClassFactory_Release,
COMCAT_IClassFactory_CreateInstance,
COMCAT_IClassFactory_LockServer
};
/**********************************************************************
* static ClassFactory instance
*/
ClassFactoryImpl COMCAT_ClassFactory = { &IClassFactory_Vtbl, 0 };