Sweden-Number/dlls/dmusic/download.c

107 lines
3.2 KiB
C

/*
* IDirectMusicDownload Implementation
*
* Copyright (C) 2003-2004 Rok Mandeljc
*
* 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.
*
* 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.
*
* 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
*/
#include "dmusic_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
static inline IDirectMusicDownloadImpl* impl_from_IDirectMusicDownload(IDirectMusicDownload *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicDownloadImpl, IDirectMusicDownload_iface);
}
/* IDirectMusicDownloadImpl IUnknown part: */
static HRESULT WINAPI IDirectMusicDownloadImpl_QueryInterface(IDirectMusicDownload *iface, REFIID riid, void **ret_iface)
{
TRACE("(%p, %s, %p)\n", iface, debugstr_dmguid(riid), ret_iface);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDirectMusicDownload))
{
IDirectMusicDownload_AddRef(iface);
*ret_iface = iface;
return S_OK;
}
*ret_iface = NULL;
WARN("(%p, %s, %p): not found\n", iface, debugstr_dmguid(riid), ret_iface);
return E_NOINTERFACE;
}
static ULONG WINAPI IDirectMusicDownloadImpl_AddRef(IDirectMusicDownload *iface)
{
IDirectMusicDownloadImpl *This = impl_from_IDirectMusicDownload(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(): new ref = %u\n", iface, ref);
DMUSIC_LockModule();
return ref;
}
static ULONG WINAPI IDirectMusicDownloadImpl_Release(IDirectMusicDownload *iface)
{
IDirectMusicDownloadImpl *This = impl_from_IDirectMusicDownload(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(): new ref = %u\n", iface, ref);
if (!ref)
HeapFree(GetProcessHeap(), 0, This);
DMUSIC_UnlockModule();
return ref;
}
/* IDirectMusicDownloadImpl IDirectMusicDownload part: */
static HRESULT WINAPI IDirectMusicDownloadImpl_GetBuffer(IDirectMusicDownload *iface, void **buffer, DWORD *size)
{
FIXME("(%p, %p, %p): stub\n", iface, buffer, size);
return S_OK;
}
static const IDirectMusicDownloadVtbl DirectMusicDownload_Vtbl = {
IDirectMusicDownloadImpl_QueryInterface,
IDirectMusicDownloadImpl_AddRef,
IDirectMusicDownloadImpl_Release,
IDirectMusicDownloadImpl_GetBuffer
};
/* for ClassFactory */
HRESULT DMUSIC_CreateDirectMusicDownloadImpl(const GUID *guid, void **ret_iface, IUnknown *unk_outer)
{
IDirectMusicDownloadImpl *download;
download = HeapAlloc(GetProcessHeap(), 0, sizeof(*download));
if (!download)
{
*ret_iface = NULL;
return E_OUTOFMEMORY;
}
download->IDirectMusicDownload_iface.lpVtbl = &DirectMusicDownload_Vtbl;
download->ref = 1;
return S_OK;
}