1 /* 2 * IDirectMusicDownload Implementation 3 * 4 * Copyright (C) 2003-2004 Rok Mandeljc 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #include "dmusic_private.h" 22 23 WINE_DEFAULT_DEBUG_CHANNEL(dmusic); 24 25 static inline IDirectMusicDownloadImpl* impl_from_IDirectMusicDownload(IDirectMusicDownload *iface) 26 { 27 return CONTAINING_RECORD(iface, IDirectMusicDownloadImpl, IDirectMusicDownload_iface); 28 } 29 30 /* IDirectMusicDownloadImpl IUnknown part: */ 31 static HRESULT WINAPI IDirectMusicDownloadImpl_QueryInterface(IDirectMusicDownload *iface, REFIID riid, void **ret_iface) 32 { 33 TRACE("(%p, %s, %p)\n", iface, debugstr_dmguid(riid), ret_iface); 34 35 if (IsEqualIID(riid, &IID_IUnknown) || 36 IsEqualIID(riid, &IID_IDirectMusicDownload)) 37 { 38 IDirectMusicDownload_AddRef(iface); 39 *ret_iface = iface; 40 return S_OK; 41 } 42 43 *ret_iface = NULL; 44 WARN("(%p, %s, %p): not found\n", iface, debugstr_dmguid(riid), ret_iface); 45 return E_NOINTERFACE; 46 } 47 48 static ULONG WINAPI IDirectMusicDownloadImpl_AddRef(IDirectMusicDownload *iface) 49 { 50 IDirectMusicDownloadImpl *This = impl_from_IDirectMusicDownload(iface); 51 ULONG ref = InterlockedIncrement(&This->ref); 52 53 TRACE("(%p)->(): new ref = %u\n", iface, ref); 54 55 return ref; 56 } 57 58 static ULONG WINAPI IDirectMusicDownloadImpl_Release(IDirectMusicDownload *iface) 59 { 60 IDirectMusicDownloadImpl *This = impl_from_IDirectMusicDownload(iface); 61 ULONG ref = InterlockedDecrement(&This->ref); 62 63 TRACE("(%p)->(): new ref = %u\n", iface, ref); 64 65 if (!ref) { 66 HeapFree(GetProcessHeap(), 0, This); 67 DMUSIC_UnlockModule(); 68 } 69 70 return ref; 71 } 72 73 /* IDirectMusicDownloadImpl IDirectMusicDownload part: */ 74 static HRESULT WINAPI IDirectMusicDownloadImpl_GetBuffer(IDirectMusicDownload *iface, void **buffer, DWORD *size) 75 { 76 FIXME("(%p, %p, %p): stub\n", iface, buffer, size); 77 78 return S_OK; 79 } 80 81 static const IDirectMusicDownloadVtbl DirectMusicDownload_Vtbl = { 82 IDirectMusicDownloadImpl_QueryInterface, 83 IDirectMusicDownloadImpl_AddRef, 84 IDirectMusicDownloadImpl_Release, 85 IDirectMusicDownloadImpl_GetBuffer 86 }; 87 88 /* for ClassFactory */ 89 HRESULT DMUSIC_CreateDirectMusicDownloadImpl(const GUID *guid, void **ret_iface, IUnknown *unk_outer) 90 { 91 IDirectMusicDownloadImpl *download; 92 93 download = HeapAlloc(GetProcessHeap(), 0, sizeof(*download)); 94 if (!download) 95 { 96 *ret_iface = NULL; 97 return E_OUTOFMEMORY; 98 } 99 100 download->IDirectMusicDownload_iface.lpVtbl = &DirectMusicDownload_Vtbl; 101 download->ref = 1; 102 *ret_iface = download; 103 104 DMUSIC_LockModule(); 105 return S_OK; 106 } 107