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135 lines
3.8 KiB
C
135 lines
3.8 KiB
C
/*
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* ClassFactory implementation for DEVENUM.dll
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*
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* Copyright (C) 2002 John K. Hohm
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* Copyright (C) 2002 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "devenum_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(devenum);
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/**********************************************************************
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* DEVENUM_IClassFactory_QueryInterface (also IUnknown)
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*/
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static HRESULT WINAPI DEVENUM_IClassFactory_QueryInterface(IClassFactory *iface, REFIID riid,
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void **ppvObj)
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{
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TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObj);
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if (ppvObj == NULL) return E_POINTER;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IClassFactory))
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{
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*ppvObj = iface;
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IClassFactory_AddRef(iface);
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return S_OK;
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}
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else if (IsEqualGUID(riid, &IID_IParseDisplayName))
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{
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return IClassFactory_CreateInstance(iface, NULL, riid, ppvObj);
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}
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FIXME("- no interface IID: %s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_AddRef (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_IClassFactory_AddRef(IClassFactory *iface)
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{
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TRACE("\n");
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DEVENUM_LockModule();
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return 2; /* non-heap based object */
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_Release (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_IClassFactory_Release(IClassFactory *iface)
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{
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TRACE("\n");
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DEVENUM_UnlockModule();
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return 1; /* non-heap based object */
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_CreateInstance
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*/
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static HRESULT WINAPI DEVENUM_IClassFactory_CreateInstance(IClassFactory *iface,
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IUnknown *pUnkOuter, REFIID riid, void **ppvObj)
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{
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TRACE("(%p)->(%p, %s, %p)\n", iface, pUnkOuter, debugstr_guid(riid), ppvObj);
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if (ppvObj == NULL) return E_POINTER;
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/* Don't support aggregation (Windows doesn't) */
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if (pUnkOuter != NULL) return CLASS_E_NOAGGREGATION;
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if (IsEqualGUID(&IID_ICreateDevEnum, riid))
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{
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*ppvObj = &DEVENUM_CreateDevEnum;
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return S_OK;
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}
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if (IsEqualGUID(&IID_IParseDisplayName, riid))
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{
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*ppvObj = &DEVENUM_ParseDisplayName;
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return S_OK;
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}
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_LockServer
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*/
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static HRESULT WINAPI DEVENUM_IClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
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{
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TRACE("\n");
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if (fLock)
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DEVENUM_LockModule();
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else
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DEVENUM_UnlockModule();
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return S_OK;
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}
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/**********************************************************************
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* IClassFactory_Vtbl
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*/
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static const IClassFactoryVtbl IClassFactory_Vtbl =
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{
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DEVENUM_IClassFactory_QueryInterface,
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DEVENUM_IClassFactory_AddRef,
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DEVENUM_IClassFactory_Release,
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DEVENUM_IClassFactory_CreateInstance,
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DEVENUM_IClassFactory_LockServer
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};
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/**********************************************************************
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* static ClassFactory instance
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*/
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ClassFactoryImpl DEVENUM_ClassFactory = { { &IClassFactory_Vtbl } };
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