reactos/dll/win32/mstask/factory.c

116 lines
3 KiB
C

/*
* Copyright (C) 2008 Google (Roy Shea)
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "mstask_private.h"
struct ClassFactoryImpl
{
IClassFactory IClassFactory_iface;
LONG ref;
};
static inline ClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, ClassFactoryImpl, IClassFactory_iface);
}
static HRESULT WINAPI MSTASK_IClassFactory_QueryInterface(
LPCLASSFACTORY iface,
REFIID riid,
LPVOID *ppvObj)
{
ClassFactoryImpl *This = impl_from_IClassFactory(iface);
TRACE("IID: %s\n",debugstr_guid(riid));
if (ppvObj == NULL)
return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IClassFactory))
{
*ppvObj = &This->IClassFactory_iface;
IClassFactory_AddRef(iface);
return S_OK;
}
WARN("Unknown interface: %s\n", debugstr_guid(riid));
*ppvObj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI MSTASK_IClassFactory_AddRef(IClassFactory *face)
{
TRACE("\n");
InterlockedIncrement(&dll_ref);
return 2;
}
static ULONG WINAPI MSTASK_IClassFactory_Release(IClassFactory *iface)
{
TRACE("\n");
InterlockedDecrement(&dll_ref);
return 1;
}
static HRESULT WINAPI MSTASK_IClassFactory_CreateInstance(
IClassFactory *iface,
IUnknown *pUnkOuter,
REFIID riid,
LPVOID *ppvObj)
{
HRESULT res;
IUnknown *punk = NULL;
*ppvObj = NULL;
TRACE("IID: %s\n",debugstr_guid(riid));
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
res = TaskSchedulerConstructor((LPVOID*) &punk);
if (FAILED(res))
return res;
res = IUnknown_QueryInterface(punk, riid, ppvObj);
IUnknown_Release(punk);
return res;
}
static HRESULT WINAPI MSTASK_IClassFactory_LockServer(
IClassFactory *iface,
BOOL fLock)
{
TRACE("\n");
if (fLock)
IClassFactory_AddRef(iface);
else
IClassFactory_Release(iface);
return S_OK;
}
static const IClassFactoryVtbl IClassFactory_Vtbl =
{
MSTASK_IClassFactory_QueryInterface,
MSTASK_IClassFactory_AddRef,
MSTASK_IClassFactory_Release,
MSTASK_IClassFactory_CreateInstance,
MSTASK_IClassFactory_LockServer
};
ClassFactoryImpl MSTASK_ClassFactory = { { &IClassFactory_Vtbl } };