downloadedinstrument.c 3.17 KB
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/* IDirectMusicDownloadedInstrument Implementation
 *
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 * 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 General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 Library General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; 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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 */

#include "dmusic_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmusic);

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/* IDirectMusicDownloadedInstrumentImpl IUnknown part: */
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static HRESULT WINAPI IDirectMusicDownloadedInstrumentImpl_QueryInterface (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface, REFIID riid, LPVOID *ppobj) {
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	IDirectMusicDownloadedInstrumentImpl *This = (IDirectMusicDownloadedInstrumentImpl *)iface;
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	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
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	if (IsEqualIID (riid, &IID_IUnknown)
		|| IsEqualIID (riid, &IID_IDirectMusicDownloadedInstrument)) {
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		IUnknown_AddRef(iface);
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		*ppobj = This;
		return S_OK;
	}
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	WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
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	return E_NOINTERFACE;
}

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static ULONG WINAPI IDirectMusicDownloadedInstrumentImpl_AddRef (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface) {
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	IDirectMusicDownloadedInstrumentImpl *This = (IDirectMusicDownloadedInstrumentImpl *)iface;
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	ULONG refCount = InterlockedIncrement(&This->ref);

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	TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
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	DMUSIC_LockModule();

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	return refCount;
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}

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static ULONG WINAPI IDirectMusicDownloadedInstrumentImpl_Release (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface) {
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	IDirectMusicDownloadedInstrumentImpl *This = (IDirectMusicDownloadedInstrumentImpl *)iface;
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	ULONG refCount = InterlockedDecrement(&This->ref);

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	TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
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	if (!refCount) {
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		HeapFree(GetProcessHeap(), 0, This);
	}
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	DMUSIC_UnlockModule();
	
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	return refCount;
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}

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/* IDirectMusicDownloadedInstrumentImpl IDirectMusicDownloadedInstrument part: */
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/* none at this time */

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static const IDirectMusicDownloadedInstrumentVtbl DirectMusicDownloadedInstrument_Vtbl = {
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	IDirectMusicDownloadedInstrumentImpl_QueryInterface,
	IDirectMusicDownloadedInstrumentImpl_AddRef,
	IDirectMusicDownloadedInstrumentImpl_Release
};

/* for ClassFactory */
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HRESULT WINAPI DMUSIC_CreateDirectMusicDownloadedInstrumentImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
	IDirectMusicDownloadedInstrumentImpl* dmdlinst;
	
	dmdlinst = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicDownloadedInstrumentImpl));
	if (NULL == dmdlinst) {
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		*ppobj = NULL;
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		return E_OUTOFMEMORY;
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	}
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	dmdlinst->lpVtbl = &DirectMusicDownloadedInstrument_Vtbl;
	dmdlinst->ref = 0; /* will be inited by QueryInterface */
	
	return IDirectMusicDownloadedInstrumentImpl_QueryInterface ((LPDIRECTMUSICDOWNLOADEDINSTRUMENT)dmdlinst, lpcGUID, ppobj);	
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}