Properly cope with get_message being called recursively while
[wine] / dlls / dmstyle / styletrack.c
1 /* IDirectMusicStyleTrack Implementation
2  *
3  * Copyright (C) 2003-2004 Rok Mandeljc
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  */
19
20 #include "dmstyle_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
24
25 /*****************************************************************************
26  * IDirectMusicStyleTrack implementation
27  */
28 /* IDirectMusicStyleTrack IUnknown part: */
29 HRESULT WINAPI IDirectMusicStyleTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
30         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
31         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
32
33         if (IsEqualIID (riid, &IID_IUnknown)) {
34                 *ppobj = (LPUNKNOWN)&This->UnknownVtbl;
35                 IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
36                 return S_OK;
37         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
38           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
39                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
40                 IDirectMusicStyleTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
41                 return S_OK;
42         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
43                 *ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
44                 IDirectMusicStyleTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
45                 return S_OK;
46         }
47         
48         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
49         return E_NOINTERFACE;
50 }
51
52 ULONG WINAPI IDirectMusicStyleTrack_IUnknown_AddRef (LPUNKNOWN iface) {
53         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
54         ULONG ref = InterlockedIncrement(&This->ref);
55
56         TRACE("(%p): AddRef from %ld\n", This, ref - 1);
57
58         DMSTYLE_LockModule();
59
60         return ref;
61 }
62
63 ULONG WINAPI IDirectMusicStyleTrack_IUnknown_Release (LPUNKNOWN iface) {
64         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
65         ULONG ref = InterlockedDecrement(&This->ref);
66
67         TRACE("(%p): ReleaseRef to %ld\n", This, ref);
68
69         if (ref == 0) {
70                 HeapFree(GetProcessHeap(), 0, This);
71         }
72         
73         DMSTYLE_UnlockModule();
74         
75         return ref;
76 }
77
78 IUnknownVtbl DirectMusicStyleTrack_Unknown_Vtbl = {
79         IDirectMusicStyleTrack_IUnknown_QueryInterface,
80         IDirectMusicStyleTrack_IUnknown_AddRef,
81         IDirectMusicStyleTrack_IUnknown_Release
82 };
83
84 /* IDirectMusicStyleTrack IDirectMusicTrack8 part: */
85 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
86         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
87         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
88 }
89
90 ULONG WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
91         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
92         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
93 }
94
95 ULONG WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
96         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
97         return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
98 }
99
100 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment)
101 {
102         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
103         FIXME("(%p, %p): stub\n", This, pSegment);
104         return S_OK;
105 }
106
107 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
108 {
109         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
110         FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
111         return S_OK;
112 }
113
114 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
115 {
116         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
117         FIXME("(%p, %p): stub\n", This, pStateData);
118         return S_OK;
119 }
120
121 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
122 {
123         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
124         FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
125         return S_OK;
126 }
127
128 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
129         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
130         FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
131         return S_OK;
132 }
133
134 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
135         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
136         FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
137         return S_OK;
138 }
139
140 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
141         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
142
143         TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
144         if (IsEqualGUID (rguidType, &GUID_DisableTimeSig)
145                 || IsEqualGUID (rguidType, &GUID_EnableTimeSig)
146                 || IsEqualGUID (rguidType, &GUID_IDirectMusicStyle)
147                 || IsEqualGUID (rguidType, &GUID_SeedVariations)
148                 || IsEqualGUID (rguidType, &GUID_TimeSignature)) {
149                 TRACE("param supported\n");
150                 return S_OK;
151         }
152         TRACE("param unsupported\n");
153         return DMUS_E_TYPE_UNSUPPORTED;
154 }
155
156 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
157         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
158         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
159         return S_OK;
160 }
161
162 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
163         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
164         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
165         return S_OK;
166 }
167
168 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
169         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
170         FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
171         return S_OK;
172 }
173
174 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
175         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
176         FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
177         return S_OK;
178 }
179
180 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
181         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
182         FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
183         return S_OK;
184 }
185
186 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
187         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
188         FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
189         return S_OK;
190 }
191
192 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
193         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
194         FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
195         return S_OK;
196 }
197
198 HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
199         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
200         FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
201         return S_OK;
202 }
203
204 IDirectMusicTrack8Vtbl DirectMusicStyleTrack_Track_Vtbl = {
205         IDirectMusicStyleTrack_IDirectMusicTrack_QueryInterface,
206         IDirectMusicStyleTrack_IDirectMusicTrack_AddRef,
207         IDirectMusicStyleTrack_IDirectMusicTrack_Release,
208         IDirectMusicStyleTrack_IDirectMusicTrack_Init,
209         IDirectMusicStyleTrack_IDirectMusicTrack_InitPlay,
210         IDirectMusicStyleTrack_IDirectMusicTrack_EndPlay,
211         IDirectMusicStyleTrack_IDirectMusicTrack_Play,
212         IDirectMusicStyleTrack_IDirectMusicTrack_GetParam,
213         IDirectMusicStyleTrack_IDirectMusicTrack_SetParam,
214         IDirectMusicStyleTrack_IDirectMusicTrack_IsParamSupported,
215         IDirectMusicStyleTrack_IDirectMusicTrack_AddNotificationType,
216         IDirectMusicStyleTrack_IDirectMusicTrack_RemoveNotificationType,
217         IDirectMusicStyleTrack_IDirectMusicTrack_Clone,
218         IDirectMusicStyleTrack_IDirectMusicTrack_PlayEx,
219         IDirectMusicStyleTrack_IDirectMusicTrack_GetParamEx,
220         IDirectMusicStyleTrack_IDirectMusicTrack_SetParamEx,
221         IDirectMusicStyleTrack_IDirectMusicTrack_Compose,
222         IDirectMusicStyleTrack_IDirectMusicTrack_Join
223 };
224
225 /* IDirectMusicStyleTrack IPersistStream part: */
226 HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
227         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
228         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
229 }
230
231 ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
232         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
233         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
234 }
235
236 ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
237   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
238   return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
239 }
240
241 HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
242   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
243   TRACE("(%p, %p)\n", This, pClassID);
244   memcpy(pClassID, &CLSID_DirectMusicStyleTrack, sizeof(CLSID));
245   return S_OK;
246 }
247
248 HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
249   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
250   FIXME("(%p): stub, always S_FALSE\n", This);
251   return S_FALSE;
252 }
253
254 static HRESULT IDirectMusicStyleTrack_IPersistStream_ParseStyleRef (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
255   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
256   DMUS_PRIVATE_CHUNK Chunk;
257   DWORD ListSize[3], ListCount[3];
258   LARGE_INTEGER liMove; /* used when skipping chunks */
259   HRESULT hr;
260
261   IDirectMusicObject* pObject = NULL;
262   LPDMUS_PRIVATE_STYLE_ITEM pNewItem = NULL;
263
264   if (pChunk->fccID != DMUS_FOURCC_STYLE_REF_LIST) {
265     ERR_(dmfile)(": %s chunk should be a STYLE list\n", debugstr_fourcc (pChunk->fccID));
266     return E_FAIL;
267   }
268
269   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
270   ListCount[0] = 0;
271
272   do {
273     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
274     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
275     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
276     switch (Chunk.fccID) { 
277     case DMUS_FOURCC_TIME_STAMP_CHUNK: {
278       TRACE_(dmfile)(": Time Stamp chunck \n");
279       pNewItem = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_STYLE_ITEM));
280       if (NULL == pNewItem) {
281         ERR(": no more memory\n");
282         return  E_OUTOFMEMORY;
283       }
284       IStream_Read (pStm, &pNewItem->dwTimeStamp, sizeof(DWORD), NULL);
285       TRACE_(dmfile)(" - dwTimeStamp: %lu\n", pNewItem->dwTimeStamp);
286       list_add_tail (&This->Items, &pNewItem->entry);      
287       break;
288     }
289     case FOURCC_LIST: {
290       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
291       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
292       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
293       ListCount[1] = 0;
294       switch (Chunk.fccID) { 
295         /**
296          * should be a DMRF (DirectMusic Reference) list @TODO
297          */
298       case DMUS_FOURCC_REF_LIST: {
299         FIXME_(dmfile)(": DMRF (DM References) list, not yet handled\n");
300         hr = IDirectMusicUtils_IPersistStream_ParseReference (iface,  &Chunk, pStm, &pObject);
301         if (FAILED(hr)) {
302           ERR(": could not load Reference\n");
303           return hr;
304         }
305         hr = IDirectMusicObject_QueryInterface(pObject, &IID_IDirectMusicStyle8, (LPVOID*)&pNewItem->pObject);
306         if (FAILED(hr)) {
307           ERR(": Reference not a IDirectMusicStyle, exiting\n");
308           exit(-1);
309           return hr;
310         }
311         IDirectMusicObject_Release(pObject);
312         break;                                          
313       }
314       default: {
315         TRACE_(dmfile)(": unknown (skipping)\n");
316         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
317         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
318         break;                                          
319       }
320       } 
321       break;
322     }
323     default: {
324       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
325       liMove.QuadPart = Chunk.dwSize;
326       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
327       break;                                            
328     }
329     }
330     TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
331   } while (ListCount[0] < ListSize[0]);
332
333   return S_OK;
334 }
335
336 static HRESULT IDirectMusicStyleTrack_IPersistStream_ParseStyleTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
337
338   /*ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);*/
339   DMUS_PRIVATE_CHUNK Chunk;
340   DWORD ListSize[3], ListCount[3];
341   LARGE_INTEGER liMove; /* used when skipping chunks */
342   HRESULT hr;
343
344   if (pChunk->fccID != DMUS_FOURCC_STYLE_TRACK_LIST) {
345     ERR_(dmfile)(": %s chunk should be a STYLETRACK list\n", debugstr_fourcc (pChunk->fccID));
346     return E_FAIL;
347   }  
348
349   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
350   ListCount[0] = 0;
351
352   do {
353     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
354     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
355     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
356     switch (Chunk.fccID) { 
357     case FOURCC_LIST: { 
358       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
359       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
360       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
361       ListCount[1] = 0;
362       switch (Chunk.fccID) { 
363       case DMUS_FOURCC_STYLE_REF_LIST: {
364         TRACE_(dmfile)(": STYLE_REF list\n"); 
365         hr = IDirectMusicStyleTrack_IPersistStream_ParseStyleRef (iface, &Chunk, pStm);
366         if (FAILED(hr)) return hr;      
367         break;
368       }
369       default: {
370         TRACE_(dmfile)(": unknown (skipping)\n");
371         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
372         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
373         break;                                          
374       }
375       }
376       break;
377     }
378     default: {
379       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
380       liMove.QuadPart = Chunk.dwSize;
381       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
382       break;            
383     }
384     }
385     TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
386   } while (ListCount[0] < ListSize[0]);
387
388   return S_OK;
389 }
390
391 HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
392   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
393
394   DMUS_PRIVATE_CHUNK Chunk;
395   LARGE_INTEGER liMove;
396   HRESULT hr;
397  
398   FIXME("(%p, %p): Loading not fully implemented yet\n", This, pStm);
399
400   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
401   TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
402   switch (Chunk.fccID) {        
403   case FOURCC_LIST: {
404     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
405     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
406     switch (Chunk.fccID) { 
407     case DMUS_FOURCC_STYLE_TRACK_LIST: {
408       TRACE_(dmfile)(": Chord track list\n");
409       hr = IDirectMusicStyleTrack_IPersistStream_ParseStyleTrackList (iface, &Chunk, pStm);
410       if (FAILED(hr)) return hr;
411       break;    
412     }
413     default: {
414       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
415       liMove.QuadPart = Chunk.dwSize;
416       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
417       return E_FAIL;
418     }
419     }
420     TRACE_(dmfile)(": reading finished\n");
421     break;
422   }
423   default: {
424     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
425     liMove.QuadPart = Chunk.dwSize;
426     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
427     return E_FAIL;
428   }
429   }
430
431   return S_OK;
432 }
433
434 HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
435   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
436   FIXME("(%p): Saving not implemented yet\n", This);
437   return E_NOTIMPL;
438 }
439
440 HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
441   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
442   FIXME("(%p, %p): stub\n", This, pcbSize);
443   return E_NOTIMPL;
444 }
445
446 IPersistStreamVtbl DirectMusicStyleTrack_PersistStream_Vtbl = {
447   IDirectMusicStyleTrack_IPersistStream_QueryInterface,
448   IDirectMusicStyleTrack_IPersistStream_AddRef,
449   IDirectMusicStyleTrack_IPersistStream_Release,
450   IDirectMusicStyleTrack_IPersistStream_GetClassID,
451   IDirectMusicStyleTrack_IPersistStream_IsDirty,
452   IDirectMusicStyleTrack_IPersistStream_Load,
453   IDirectMusicStyleTrack_IPersistStream_Save,
454   IDirectMusicStyleTrack_IPersistStream_GetSizeMax
455 };
456
457 /* for ClassFactory */
458 HRESULT WINAPI DMUSIC_CreateDirectMusicStyleTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
459   IDirectMusicStyleTrack* track;
460   
461   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicStyleTrack));
462   if (NULL == track) {
463     *ppobj = NULL;
464     return E_OUTOFMEMORY;
465   }
466   track->UnknownVtbl = &DirectMusicStyleTrack_Unknown_Vtbl;
467   track->TrackVtbl = &DirectMusicStyleTrack_Track_Vtbl;
468   track->PersistStreamVtbl = &DirectMusicStyleTrack_PersistStream_Vtbl;
469   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
470   DM_STRUCT_INIT(track->pDesc);
471   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
472   memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicStyleTrack, sizeof (CLSID));
473   track->ref = 0; /* will be inited by QueryInterface */
474   list_init (&track->Items);
475   
476   return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
477 }