cabinet: Do not cast NULL.
[wine/multimedia.git] / dlls / qmgr / factory.c
blob34c5ac0c1c25ab8387456bf3e344add45ba06cd6
1 /*
2 * Class factory interface for Queue Manager (BITS)
4 * Copyright (C) 2007 Google (Roy Shea)
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #define COBJMACROS
23 #include "qmgr.h"
24 #include "wine/debug.h"
26 WINE_DEFAULT_DEBUG_CHANNEL(qmgr);
28 static ULONG WINAPI
29 BITS_IClassFactory_AddRef(LPCLASSFACTORY iface)
31 return 2;
34 static HRESULT WINAPI
35 BITS_IClassFactory_QueryInterface(LPCLASSFACTORY iface, REFIID riid,
36 LPVOID *ppvObj)
38 ClassFactoryImpl *This = (ClassFactoryImpl *) iface;
40 if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IClassFactory))
42 *ppvObj = &This->lpVtbl;
43 return S_OK;
46 *ppvObj = NULL;
47 return E_NOINTERFACE;
50 static ULONG WINAPI
51 BITS_IClassFactory_Release(LPCLASSFACTORY iface)
53 return 1;
56 static HRESULT WINAPI
57 BITS_IClassFactory_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pUnkOuter,
58 REFIID riid, LPVOID *ppvObj)
60 HRESULT res;
61 IUnknown *punk = NULL;
63 TRACE("IID: %s\n", debugstr_guid(riid));
65 if (pUnkOuter)
66 return CLASS_E_NOAGGREGATION;
68 res = BackgroundCopyManagerConstructor(pUnkOuter, (LPVOID*) &punk);
69 if (FAILED(res))
70 return res;
72 res = IUnknown_QueryInterface(punk, riid, ppvObj);
73 IUnknown_Release(punk);
74 return res;
77 static HRESULT WINAPI
78 BITS_IClassFactory_LockServer(LPCLASSFACTORY iface, BOOL fLock)
80 FIXME("Not implemented\n");
81 return E_NOTIMPL;
84 static const IClassFactoryVtbl BITS_IClassFactory_Vtbl =
86 BITS_IClassFactory_QueryInterface,
87 BITS_IClassFactory_AddRef,
88 BITS_IClassFactory_Release,
89 BITS_IClassFactory_CreateInstance,
90 BITS_IClassFactory_LockServer
93 ClassFactoryImpl BITS_ClassFactory =
95 &BITS_IClassFactory_Vtbl