Sweden-Number/dlls/dmusic/download.c

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/* IDirectMusicDownload Implementation
*
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "dmusic_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
/* IDirectMusicDownloadImpl IUnknown part: */
HRESULT WINAPI IDirectMusicDownloadImpl_QueryInterface (LPDIRECTMUSICDOWNLOAD iface, REFIID riid, LPVOID *ppobj) {
IDirectMusicDownloadImpl *This = (IDirectMusicDownloadImpl *)iface;
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
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if (IsEqualIID (riid, &IID_IUnknown)
|| IsEqualIID (riid, &IID_IDirectMusicDownload)) {
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IDirectMusicDownloadImpl_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
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return E_NOINTERFACE;
}
ULONG WINAPI IDirectMusicDownloadImpl_AddRef (LPDIRECTMUSICDOWNLOAD iface) {
IDirectMusicDownloadImpl *This = (IDirectMusicDownloadImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
DMUSIC_LockModule();
return refCount;
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}
ULONG WINAPI IDirectMusicDownloadImpl_Release (LPDIRECTMUSICDOWNLOAD iface) {
IDirectMusicDownloadImpl *This = (IDirectMusicDownloadImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
if (!refCount) {
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HeapFree(GetProcessHeap(), 0, This);
}
DMUSIC_UnlockModule();
return refCount;
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}
/* IDirectMusicDownloadImpl IDirectMusicDownload part: */
HRESULT WINAPI IDirectMusicDownloadImpl_GetBuffer (LPDIRECTMUSICDOWNLOAD iface, void** ppvBuffer, DWORD* pdwSize) {
IDirectMusicDownloadImpl *This = (IDirectMusicDownloadImpl *)iface;
FIXME("(%p, %p, %p): stub\n", This, ppvBuffer, pdwSize);
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return S_OK;
}
static const IDirectMusicDownloadVtbl DirectMusicDownload_Vtbl = {
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IDirectMusicDownloadImpl_QueryInterface,
IDirectMusicDownloadImpl_AddRef,
IDirectMusicDownloadImpl_Release,
IDirectMusicDownloadImpl_GetBuffer
};
/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicDownloadImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
IDirectMusicDownloadImpl* dmdl;
dmdl = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicDownloadImpl));
if (NULL == dmdl) {
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*ppobj = NULL;
return E_OUTOFMEMORY;
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}
dmdl->lpVtbl = &DirectMusicDownload_Vtbl;
dmdl->ref = 0; /* will be inited by QueryInterface */
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return IDirectMusicDownloadImpl_QueryInterface ((LPDIRECTMUSICDOWNLOAD)dmdl, lpcGUID, ppobj);
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}