Fix subclassing to support nested messages.
[wine] / dlls / dmstyle / style.c
1 /* IDirectMusicStyle8 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  * IDirectMusicStyleImpl implementation
27  */
28 /* IDirectMusicStyleImpl IUnknown part: */
29 HRESULT WINAPI IDirectMusicStyle8Impl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
30         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, UnknownVtbl, iface);
31         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
32         
33         if (IsEqualIID (riid, &IID_IUnknown)) {
34                 *ppobj = (LPVOID)&This->UnknownVtbl;
35                 IDirectMusicStyle8Impl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
36                 return S_OK;    
37         } else if (IsEqualIID (riid, &IID_IDirectMusicStyle)) {
38                 *ppobj = (LPVOID)&This->StyleVtbl;
39                 IDirectMusicStyle8Impl_IDirectMusicStyle8_AddRef ((LPDIRECTMUSICSTYLE8)&This->StyleVtbl);
40                 return S_OK;
41         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
42                 *ppobj = (LPVOID)&This->ObjectVtbl;
43                 IDirectMusicStyle8Impl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);              
44                 return S_OK;
45         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
46                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
47                 IDirectMusicStyle8Impl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);               
48                 return S_OK;
49         }
50         
51         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
52         return E_NOINTERFACE;
53 }
54
55 ULONG WINAPI IDirectMusicStyle8Impl_IUnknown_AddRef (LPUNKNOWN iface) {
56         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, UnknownVtbl, iface);
57         TRACE("(%p): AddRef from %ld\n", This, This->ref);
58         return ++(This->ref);
59 }
60
61 ULONG WINAPI IDirectMusicStyle8Impl_IUnknown_Release (LPUNKNOWN iface) {
62         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, UnknownVtbl, iface);
63         ULONG ref = --This->ref;
64         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
65         if (ref == 0) {
66                 HeapFree(GetProcessHeap(), 0, This);
67         }
68         return ref;
69 }
70
71 ICOM_VTABLE(IUnknown) DirectMusicStyle8_Unknown_Vtbl = {
72     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
73         IDirectMusicStyle8Impl_IUnknown_QueryInterface,
74         IDirectMusicStyle8Impl_IUnknown_AddRef,
75         IDirectMusicStyle8Impl_IUnknown_Release
76 };
77
78 /* IDirectMusicStyle8Impl IDirectMusicStyle8 part: */
79 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_QueryInterface (LPDIRECTMUSICSTYLE8 iface, REFIID riid, LPVOID *ppobj) {
80         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
81         return IDirectMusicStyle8Impl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
82 }
83
84 ULONG WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_AddRef (LPDIRECTMUSICSTYLE8 iface) {
85         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
86         return IDirectMusicStyle8Impl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
87 }
88
89 ULONG WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_Release (LPDIRECTMUSICSTYLE8 iface) {
90         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
91         return IDirectMusicStyle8Impl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
92 }
93
94 /* IDirectMusicStyle8Impl IDirectMusicStyle(8) part: */
95 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetBand (LPDIRECTMUSICSTYLE8 iface, WCHAR* pwszName, IDirectMusicBand** ppBand) {
96         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
97         FIXME("(%p, %p, %p): stub\n", This, pwszName, ppBand);
98         return S_OK;
99 }
100
101 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumBand (LPDIRECTMUSICSTYLE8 iface, DWORD dwIndex, WCHAR* pwszName) {
102         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
103         FIXME("(%p, %ld, %p): stub\n", This, dwIndex, pwszName);
104         return S_OK;
105 }
106
107 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetDefaultBand (LPDIRECTMUSICSTYLE8 iface, IDirectMusicBand** ppBand) {
108         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
109         FIXME("(%p, %p): stub\n", This, ppBand);
110         return S_OK;
111 }
112
113 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumMotif (LPDIRECTMUSICSTYLE8 iface, DWORD dwIndex, WCHAR* pwszName) {
114         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
115         FIXME("(%p, %ld, %p): stub\n", This, dwIndex, pwszName);
116         return S_OK;
117 }
118
119 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetMotif (LPDIRECTMUSICSTYLE8 iface, WCHAR* pwszName, IDirectMusicSegment** ppSegment) {
120         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
121         FIXME("(%p, %p, %p): stub\n", This, pwszName, ppSegment);
122         return S_OK;
123 }
124
125 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetDefaultChordMap (LPDIRECTMUSICSTYLE8 iface, IDirectMusicChordMap** ppChordMap) {
126         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
127         FIXME("(%p, %p): stub\n", This, ppChordMap);
128         return S_OK;
129 }
130
131 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumChordMap (LPDIRECTMUSICSTYLE8 iface, DWORD dwIndex, WCHAR* pwszName) {
132         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
133         FIXME("(%p, %ld, %p): stub\n", This, dwIndex, pwszName);
134         return S_OK;
135 }
136
137 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetChordMap (LPDIRECTMUSICSTYLE8 iface, WCHAR* pwszName, IDirectMusicChordMap** ppChordMap) {
138         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
139         FIXME("(%p, %p, %p): stub\n", This, pwszName, ppChordMap);
140         return S_OK;
141 }
142
143 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetTimeSignature (LPDIRECTMUSICSTYLE8 iface, DMUS_TIMESIGNATURE* pTimeSig) {
144         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
145         FIXME("(%p, %p): stub\n", This, pTimeSig);
146         return S_OK;
147 }
148
149 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetEmbellishmentLength (LPDIRECTMUSICSTYLE8 iface, DWORD dwType, DWORD dwLevel, DWORD* pdwMin, DWORD* pdwMax) {
150         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
151         FIXME("(%p, %ld, %ld, %p, %p): stub\n", This, dwType, dwLevel, pdwMin, pdwMax);
152         return S_OK;
153 }
154
155 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_GetTempo (LPDIRECTMUSICSTYLE8 iface, double* pTempo) {
156         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
157         FIXME("(%p, %p): stub\n", This, pTempo);
158         return S_OK;
159 }
160
161 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumPattern (LPDIRECTMUSICSTYLE8 iface, DWORD dwIndex, DWORD dwPatternType, WCHAR* pwszName) {
162         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, StyleVtbl, iface);
163         FIXME("(%p, %ld, %ld, %p): stub\n", This, dwIndex, dwPatternType, pwszName);
164         return S_OK;
165 }
166
167 ICOM_VTABLE(IDirectMusicStyle8) DirectMusicStyle8_Style_Vtbl = {
168     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
169         IDirectMusicStyle8Impl_IDirectMusicStyle8_QueryInterface,
170         IDirectMusicStyle8Impl_IDirectMusicStyle8_AddRef,
171         IDirectMusicStyle8Impl_IDirectMusicStyle8_Release,
172         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetBand,
173         IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumBand,
174         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetDefaultBand,
175         IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumMotif,
176         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetMotif,
177         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetDefaultChordMap,
178         IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumChordMap,
179         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetChordMap,
180         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetTimeSignature,
181         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetEmbellishmentLength,
182         IDirectMusicStyle8Impl_IDirectMusicStyle8_GetTempo,
183         IDirectMusicStyle8Impl_IDirectMusicStyle8_EnumPattern
184 };
185
186 /* IDirectMusicStyle8Impl IDirectMusicObject part: */
187 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
188         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, ObjectVtbl, iface);
189         return IDirectMusicStyle8Impl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
190 }
191
192 ULONG WINAPI IDirectMusicStyle8Impl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
193         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, ObjectVtbl, iface);
194         return IDirectMusicStyle8Impl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
195 }
196
197 ULONG WINAPI IDirectMusicStyle8Impl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
198         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, ObjectVtbl, iface);
199         return IDirectMusicStyle8Impl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
200 }
201
202 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
203         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, ObjectVtbl, iface);
204         TRACE("(%p, %p)\n", This, pDesc);
205         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
206         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
207         return S_OK;
208 }
209
210 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
211         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, ObjectVtbl, iface);
212         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
213         
214         /* According to MSDN, we should copy only given values, not whole struct */     
215         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
216                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
217         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
218                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));         
219         if (pDesc->dwValidData & DMUS_OBJ_NAME)
220                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
221         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
222                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);             
223         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
224                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);             
225         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
226                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));                            
227         if (pDesc->dwValidData & DMUS_OBJ_DATE)
228                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));                          
229         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
230                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));                           
231                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
232         }
233         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
234                 /* according to MSDN, we copy the stream */
235                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);  
236         }
237         
238         /* add new flags */
239         This->pDesc->dwValidData |= pDesc->dwValidData;
240
241         return S_OK;
242 }
243
244 HRESULT WINAPI IDirectMusicStyle8Impl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
245         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, ObjectVtbl, iface);
246         DMUS_PRIVATE_CHUNK Chunk;
247         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
248         LARGE_INTEGER liMove; /* used when skipping chunks */
249
250         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
251         
252         /* FIXME: should this be determined from stream? */
253         pDesc->dwValidData |= DMUS_OBJ_CLASS;
254         memcpy (&pDesc->guidClass, &CLSID_DirectMusicStyle, sizeof(CLSID));
255         
256         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
257         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
258         switch (Chunk.fccID) {  
259                 case FOURCC_RIFF: {
260                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);                             
261                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
262                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
263                         StreamCount = 0;
264                         if (Chunk.fccID == DMUS_FOURCC_STYLE_FORM) {
265                                 TRACE_(dmfile)(": style form\n");
266                                 do {
267                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
268                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
269                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
270                                         switch (Chunk.fccID) {
271                                                 case DMUS_FOURCC_GUID_CHUNK: {
272                                                         TRACE_(dmfile)(": GUID chunk\n");
273                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
274                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
275                                                         break;
276                                                 }
277                                                 case DMUS_FOURCC_VERSION_CHUNK: {
278                                                         TRACE_(dmfile)(": version chunk\n");
279                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
280                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
281                                                         break;
282                                                 }
283                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
284                                                         TRACE_(dmfile)(": category chunk\n");
285                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
286                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
287                                                         break;
288                                                 }
289                                                 case FOURCC_LIST: {
290                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);                             
291                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
292                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
293                                                         ListCount[0] = 0;
294                                                         switch (Chunk.fccID) {
295                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
296                                                                 case DMUS_FOURCC_UNFO_LIST: {
297                                                                         TRACE_(dmfile)(": UNFO list\n");
298                                                                         do {
299                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
300                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
301                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
302                                                                                 switch (Chunk.fccID) {
303                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
304                                              (though strings seem to be valid unicode) */
305                                                                                         case mmioFOURCC('I','N','A','M'):
306                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
307                                                                                                 TRACE_(dmfile)(": name chunk\n");
308                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
309                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
310                                                                                                 break;
311                                                                                         }
312                                                                                         case mmioFOURCC('I','A','R','T'):
313                                                                                         case DMUS_FOURCC_UART_CHUNK: {
314                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
315                                                                                                 liMove.QuadPart = Chunk.dwSize;
316                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
317                                                                                                 break;
318                                                                                         }
319                                                                                         case mmioFOURCC('I','C','O','P'):
320                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
321                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
322                                                                                                 liMove.QuadPart = Chunk.dwSize;
323                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
324                                                                                                 break;
325                                                                                         }
326                                                                                         case mmioFOURCC('I','S','B','J'):
327                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
328                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
329                                                                                                 liMove.QuadPart = Chunk.dwSize;
330                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
331                                                                                                 break;
332                                                                                         }
333                                                                                         case mmioFOURCC('I','C','M','T'):
334                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
335                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
336                                                                                                 liMove.QuadPart = Chunk.dwSize;
337                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
338                                                                                                 break;
339                                                                                         }
340                                                                                         default: {
341                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
342                                                                                                 liMove.QuadPart = Chunk.dwSize;
343                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
344                                                                                                 break;                                          
345                                                                                         }
346                                                                                 }
347                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
348                                                                         } while (ListCount[0] < ListSize[0]);
349                                                                         break;
350                                                                 }
351                                                                 default: {
352                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
353                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
354                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
355                                                                         break;                                          
356                                                                 }
357                                                         }
358                                                         break;
359                                                 }       
360                                                 default: {
361                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
362                                                         liMove.QuadPart = Chunk.dwSize;
363                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
364                                                         break;                                          
365                                                 }
366                                         }
367                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
368                                 } while (StreamCount < StreamSize);
369                                 break;
370                         } else {
371                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
372                                 liMove.QuadPart = StreamSize;
373                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
374                                 return E_FAIL;
375                         }
376                 
377                         TRACE_(dmfile)(": reading finished\n");
378                         break;
379                 }
380                 default: {
381                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
382                         liMove.QuadPart = Chunk.dwSize;
383                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
384                         return DMUS_E_INVALIDFILE;
385                 }
386         }       
387         
388         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
389         
390         return S_OK;
391 }
392
393 ICOM_VTABLE(IDirectMusicObject) DirectMusicStyle8_Object_Vtbl = {
394     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
395         IDirectMusicStyle8Impl_IDirectMusicObject_QueryInterface,
396         IDirectMusicStyle8Impl_IDirectMusicObject_AddRef,
397         IDirectMusicStyle8Impl_IDirectMusicObject_Release,
398         IDirectMusicStyle8Impl_IDirectMusicObject_GetDescriptor,
399         IDirectMusicStyle8Impl_IDirectMusicObject_SetDescriptor,
400         IDirectMusicStyle8Impl_IDirectMusicObject_ParseDescriptor
401 };
402
403 /* IDirectMusicStyle8Impl IPersistStream part: */
404 HRESULT WINAPI IDirectMusicStyle8Impl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
405         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, PersistStreamVtbl, iface);
406         return IDirectMusicStyle8Impl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
407 }
408
409 ULONG WINAPI IDirectMusicStyle8Impl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
410         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, PersistStreamVtbl, iface);
411         return IDirectMusicStyle8Impl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
412 }
413
414 ULONG WINAPI IDirectMusicStyle8Impl_IPersistStream_Release (LPPERSISTSTREAM iface) {
415         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, PersistStreamVtbl, iface);
416         return IDirectMusicStyle8Impl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
417 }
418
419 HRESULT WINAPI IDirectMusicStyle8Impl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
420         return E_NOTIMPL;
421 }
422
423 HRESULT WINAPI IDirectMusicStyle8Impl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
424         return E_NOTIMPL;
425 }
426
427 HRESULT WINAPI IDirectMusicStyle8Impl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
428         ICOM_THIS_MULTI(IDirectMusicStyle8Impl, PersistStreamVtbl, iface);
429
430         FOURCC chunkID;
431         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
432         LARGE_INTEGER liMove; /* used when skipping chunks */
433
434         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
435         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
436         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
437         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
438         switch (chunkID) {      
439                 case FOURCC_RIFF: {
440                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);                            
441                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
442                         StreamSize = chunkSize - sizeof(FOURCC);
443                         StreamCount = 0;
444                         switch (chunkID) {
445                                 case DMUS_FOURCC_STYLE_FORM: {
446                                         TRACE_(dmfile)(": style form\n");
447                                         do {
448                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
449                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
450                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
451                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
452                                                 switch (chunkID) {
453                                                         case DMUS_FOURCC_GUID_CHUNK: {
454                                                                 TRACE_(dmfile)(": GUID chunk\n");
455                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
456                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
457                                                                 break;
458                                                         }
459                                                         case DMUS_FOURCC_VERSION_CHUNK: {
460                                                                 TRACE_(dmfile)(": version chunk\n");
461                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
462                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
463                                                                 break;
464                                                         }
465                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
466                                                                 TRACE_(dmfile)(": category chunk\n");
467                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
468                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
469                                                                 break;
470                                                         }
471                                                         case FOURCC_LIST: {
472                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);                            
473                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
474                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
475                                                                 ListCount[0] = 0;
476                                                                 switch (chunkID) {
477                                                                         case DMUS_FOURCC_UNFO_LIST: {
478                                                                                 TRACE_(dmfile)(": UNFO list\n");
479                                                                                 do {
480                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
481                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
482                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
483                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
484                                                                                         switch (chunkID) {
485                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
486                                               (though strings seem to be valid unicode) */
487                                                                                                 case mmioFOURCC('I','N','A','M'):
488                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
489                                                                                                         TRACE_(dmfile)(": name chunk\n");
490                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
491                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
492                                                                                                         break;
493                                                                                                 }
494                                                                                                 case mmioFOURCC('I','A','R','T'):
495                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
496                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
497                                                                                                         liMove.QuadPart = chunkSize;
498                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
499                                                                                                         break;
500                                                                                                 }
501                                                                                                 case mmioFOURCC('I','C','O','P'):
502                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
503                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
504                                                                                                         liMove.QuadPart = chunkSize;
505                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
506                                                                                                         break;
507                                                                                                 }
508                                                                                                 case mmioFOURCC('I','S','B','J'):
509                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
510                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
511                                                                                                         liMove.QuadPart = chunkSize;
512                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
513                                                                                                         break;
514                                                                                                 }
515                                                                                                 case mmioFOURCC('I','C','M','T'):
516                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
517                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
518                                                                                                         liMove.QuadPart = chunkSize;
519                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
520                                                                                                         break;
521                                                                                                 }
522                                                                                                 default: {
523                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
524                                                                                                         liMove.QuadPart = chunkSize;
525                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
526                                                                                                         break;                                          
527                                                                                                 }
528                                                                                         }
529                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
530                                                                                 } while (ListCount[0] < ListSize[0]);
531                                                                                 break;
532                                                                         }
533                                                                         default: {
534                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
535                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
536                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
537                                                                                 break;                                          
538                                                                         }
539                                                                 }
540                                                                 break;
541                                                         }       
542                                                         default: {
543                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
544                                                                 liMove.QuadPart = chunkSize;
545                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
546                                                                 break;                                          
547                                                         }
548                                                 }
549                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
550                                         } while (StreamCount < StreamSize);
551                                         break;
552                                 }
553                                 default: {
554                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
555                                         liMove.QuadPart = StreamSize;
556                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
557                                         return E_FAIL;
558                                 }
559                         }
560                         TRACE_(dmfile)(": reading finished\n");
561                         break;
562                 }
563                 default: {
564                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
565                         liMove.QuadPart = chunkSize;
566                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
567                         return E_FAIL;
568                 }
569         }
570
571         return S_OK;
572 }
573
574 HRESULT WINAPI IDirectMusicStyle8Impl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
575         return E_NOTIMPL;
576 }
577
578 HRESULT WINAPI IDirectMusicStyle8Impl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
579         return E_NOTIMPL;
580 }
581
582 ICOM_VTABLE(IPersistStream) DirectMusicStyle8_PersistStream_Vtbl = {
583     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
584         IDirectMusicStyle8Impl_IPersistStream_QueryInterface,
585         IDirectMusicStyle8Impl_IPersistStream_AddRef,
586         IDirectMusicStyle8Impl_IPersistStream_Release,
587         IDirectMusicStyle8Impl_IPersistStream_GetClassID,
588         IDirectMusicStyle8Impl_IPersistStream_IsDirty,
589         IDirectMusicStyle8Impl_IPersistStream_Load,
590         IDirectMusicStyle8Impl_IPersistStream_Save,
591         IDirectMusicStyle8Impl_IPersistStream_GetSizeMax
592 };
593
594 /* for ClassFactory */
595 HRESULT WINAPI DMUSIC_CreateDirectMusicStyleImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
596         IDirectMusicStyle8Impl* obj;
597         
598         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicStyle8Impl));
599         if (NULL == obj) {
600                 *ppobj = (LPVOID) NULL;
601                 return E_OUTOFMEMORY;
602         }
603         obj->UnknownVtbl = &DirectMusicStyle8_Unknown_Vtbl;
604         obj->StyleVtbl = &DirectMusicStyle8_Style_Vtbl;
605         obj->ObjectVtbl = &DirectMusicStyle8_Object_Vtbl;
606         obj->PersistStreamVtbl = &DirectMusicStyle8_PersistStream_Vtbl;
607         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
608         DM_STRUCT_INIT(obj->pDesc);
609         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
610         memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicStyle, sizeof (CLSID));
611         obj->ref = 0; /* will be inited by QueryInterface */
612         
613         return IDirectMusicStyle8Impl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
614 }