Sweden-Number/dlls/dmband/dmband_main.c

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/* DirectMusicBand Main
*
* Copyright (C) 2003-2004 Rok Mandeljc
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*
* This program 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.
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*
* This program 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.
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*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
#include "dmband_private.h"
#include "rpcproxy.h"
#include "dmobject.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dmband);
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LONG DMBAND_refCount = 0;
typedef struct {
IClassFactory IClassFactory_iface;
HRESULT WINAPI (*fnCreateInstance)(REFIID riid, void **ret_iface);
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} IClassFactoryImpl;
/******************************************************************
* IClassFactory implementation
*/
static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
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}
static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
{
if (ppv == NULL)
return E_POINTER;
if (IsEqualGUID(&IID_IUnknown, riid))
TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
else if (IsEqualGUID(&IID_IClassFactory, riid))
TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
else {
FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
*ppv = NULL;
return E_NOINTERFACE;
}
*ppv = iface;
IClassFactory_AddRef(iface);
return S_OK;
}
static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
{
DMBAND_LockModule();
return 2; /* non-heap based object */
}
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static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
{
DMBAND_UnlockModule();
return 1; /* non-heap based object */
}
static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
REFIID riid, void **ppv)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
TRACE ("(%p, %s, %p)\n", pUnkOuter, debugstr_dmguid(riid), ppv);
if (pUnkOuter) {
*ppv = NULL;
return CLASS_E_NOAGGREGATION;
}
return This->fnCreateInstance(riid, ppv);
}
static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
{
TRACE("(%d)\n", dolock);
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if (dolock)
DMBAND_LockModule();
else
DMBAND_UnlockModule();
return S_OK;
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}
static const IClassFactoryVtbl classfactory_vtbl = {
ClassFactory_QueryInterface,
ClassFactory_AddRef,
ClassFactory_Release,
ClassFactory_CreateInstance,
ClassFactory_LockServer
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};
static IClassFactoryImpl Band_CF = {{&classfactory_vtbl}, create_dmband};
static IClassFactoryImpl BandTrack_CF = {{&classfactory_vtbl}, create_dmbandtrack};
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/******************************************************************
* DllCanUnloadNow (DMBAND.@)
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*
*
*/
HRESULT WINAPI DllCanUnloadNow(void)
{
return DMBAND_refCount != 0 ? S_FALSE : S_OK;
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}
/******************************************************************
* DllGetClassObject (DMBAND.@)
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*
*
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
if (IsEqualCLSID(rclsid, &CLSID_DirectMusicBand))
return IClassFactory_QueryInterface(&Band_CF.IClassFactory_iface, riid, ppv);
else if (IsEqualCLSID(rclsid, &CLSID_DirectMusicBandTrack))
return IClassFactory_QueryInterface(&BandTrack_CF.IClassFactory_iface, riid, ppv);
WARN("(%s, %s, %p): no interface found.\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
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return CLASS_E_CLASSNOTAVAILABLE;
}