git.oblomov.eu Git - wine/blob - dlls/dmloader/loader.c

   1 /* IDirectMusicLoader8 Implementation
   2  *
   3  * Copyright (C) 2003 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 <stdarg.h>
  21
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "winuser.h"
  25 #include "wingdi.h"
  26 #include "wine/debug.h"
  27 #include "wine/unicode.h"
  28 #include "winreg.h"
  29
  30 #include "dmloader_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
  33
  34 HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]);
  35
  36 /* IDirectMusicLoader8 IUnknown part: */
  37 HRESULT WINAPI IDirectMusicLoader8Impl_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj)
  38 {
  39         ICOM_THIS(IDirectMusicLoader8Impl,iface);
  40
  41         if (IsEqualIID (riid, &IID_IUnknown) ||
  42             IsEqualIID (riid, &IID_IDirectMusicLoader) ||
  43             IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
  44                 IDirectMusicLoader8Impl_AddRef(iface);
  45                 *ppobj = This;
  46                 return S_OK;
  47         }
  48
  49         WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  50         return E_NOINTERFACE;
  51 }
  52
  53 ULONG WINAPI IDirectMusicLoader8Impl_AddRef (LPDIRECTMUSICLOADER8 iface)
  54 {
  55         ICOM_THIS(IDirectMusicLoader8Impl,iface);
  56         TRACE("(%p) : AddRef from %ld\n", This, This->ref);
  57         return ++(This->ref);
  58 }
  59
  60 ULONG WINAPI IDirectMusicLoader8Impl_Release (LPDIRECTMUSICLOADER8 iface)
  61 {
  62         ICOM_THIS(IDirectMusicLoader8Impl,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 /* IDirectMusicLoader8 IDirectMusicLoader part: */
  72 HRESULT WINAPI IDirectMusicLoader8Impl_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv)
  73 {
  74         IDirectMusicObject* pObject;
  75         ICOM_THIS(IDirectMusicLoader8Impl,iface);
  76         HRESULT result;
  77         struct list *listEntry;
  78         DMUS_PRIVATE_CACHE_ENTRY *cacheEntry;
  79         LPDMUS_PRIVATE_CACHE_ENTRY newEntry;
  80
  81         TRACE("(%p, %p(dwValidData:0x%08lx), %s, %p)\n", This, pDesc, pDesc->dwValidData, debugstr_guid(riid), ppv);
  82
  83         TRACE("looking up cache...\n");
  84
  85         LIST_FOR_EACH (listEntry, &This->CacheList) {
  86                 cacheEntry = LIST_ENTRY( listEntry, DMUS_PRIVATE_CACHE_ENTRY, entry );
  87
  88                 if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) || (pDesc->dwValidData & DMUS_OBJ_FILENAME)) {
  89                         if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
  90                                 if (IsEqualGUID (&cacheEntry->guidObject, &pDesc->guidObject)) {
  91                                         TRACE(": found it by GUID\n");
  92                                         if (cacheEntry->pObject)
  93                                                 return IDirectMusicObject_QueryInterface ((LPDIRECTMUSICOBJECT) cacheEntry->pObject, riid, ppv);
  94                                 }
  95                         }
  96                         if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
  97                                 if (cacheEntry->wzFileName && !strncmpW (pDesc->wszFileName, cacheEntry->wzFileName, MAX_PATH)) {
  98                                         TRACE(": found it by FileName\n");
  99                                         if (cacheEntry->pObject)
 100                                                 return IDirectMusicObject_QueryInterface ((LPDIRECTMUSICOBJECT) cacheEntry->pObject, riid, ppv);
 101                                 }
 102                         }
 103                 } else if (pDesc->dwValidData & DMUS_OBJ_NAME) {
 104                   /**
 105                    * Usually search by name (for example main procedure name for scripts) after containers loading
 106                    * TODO: container loading code
 107                    */
 108                   TRACE(" comparing %s with cached %s (file:%s)\n", debugstr_w (pDesc->wszName), debugstr_w (cacheEntry->wzName), debugstr_w(cacheEntry->wzFileName));
 109                   if (cacheEntry->wzName && !strncmpW (pDesc->wszName, cacheEntry->wzName, 256)) {
 110                     TRACE(": found it by Name\n");
 111                     if (NULL != cacheEntry->pObject)
 112                       return IDirectMusicObject_QueryInterface ((LPDIRECTMUSICOBJECT) cacheEntry->pObject, riid, ppv);
 113                   }
 114                 }
 115         }
 116
 117         /* object doesn't exist in cache... guess we'll have to load it */
 118         TRACE(": object does not exist in cache\n");
 119         if (pDesc->dwValidData & DMUS_OBJ_LOADED) {
 120           ERR("Wanted a on-memory (cached) entry, but not found. Active Hack (waiting for Load code)\n");
 121           /* ugly hack waiting for Load impl */
 122           result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*) &pObject);
 123           if (SUCCEEDED(result)) {
 124             /* add object to cache */
 125             result = IDirectMusicObject_QueryInterface (pObject, riid, ppv);
 126             if (SUCCEEDED(result)) {
 127               newEntry = (LPDMUS_PRIVATE_CACHE_ENTRY) HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_CACHE_ENTRY));
 128               if (pDesc->dwValidData & DMUS_OBJ_NAME)
 129                 strncpyW (newEntry->wzName, pDesc->wszName, 256);
 130               newEntry->pObject = pObject;
 131               list_add_tail (&This->CacheList, &newEntry->entry);
 132               TRACE(": filled in cache entry\n");
 133             } else {
 134               IDirectMusicObject_Release(pObject);
 135             }
 136           }
 137           return result;
 138           /*
 139            * Normal code
 140           *ppv = NULL;
 141           return E_FAIL;
 142           */
 143         }
 144         if (!(pDesc->dwValidData & DMUS_OBJ_CLASS)) {
 145           WARN("guidClass not valid but needed. What they want to do ?\n");
 146           *ppv = NULL;
 147           return DMUS_E_LOADER_NOCLASSID;
 148         }
 149         result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*) &pObject);
 150         if (FAILED(result)) return result;
 151         if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 152                 /* load object from file */
 153                 WCHAR wzFileName[MAX_PATH];
 154                 ILoaderStream* pStream;
 155                 IPersistStream* pPersistStream = NULL;
 156                 /* if it's full path, don't add search directory path, otherwise do */
 157                 if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
 158                         lstrcpyW(wzFileName, pDesc->wszFileName);
 159                 } else {
 160                         WCHAR *p;
 161                         lstrcpyW(wzFileName, This->wzSearchPath);
 162                         p = wzFileName + lstrlenW(wzFileName);
 163                         if (p > wzFileName && p[-1] != '\\') *p++ = '\\';
 164                         strcpyW(p, pDesc->wszFileName);
 165                 }
 166                 TRACE(": loading from file (%s)\n", debugstr_w(wzFileName));
 167
 168                 result = DMUSIC_CreateLoaderStream ((LPSTREAM*) &pStream);
 169                 if (FAILED(result)) return result;
 170
 171                 result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER) iface);
 172                 if (FAILED(result)) return result;
 173
 174                 result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*) &pPersistStream);
 175                 if (FAILED(result)) return result;
 176
 177                 result = IPersistStream_Load (pPersistStream, (LPSTREAM) pStream);
 178                 if (FAILED(result)) return result;
 179
 180                 ILoaderStream_IStream_Release ((LPSTREAM) pStream);
 181                 IPersistStream_Release (pPersistStream);
 182         } else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 183                 /* load object from stream */
 184                 IStream* pClonedStream = NULL;
 185                 IPersistStream* pPersistStream = NULL;
 186
 187                 TRACE(": loading from stream\n");
 188                 result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*) &pPersistStream);
 189                 if (FAILED(result)) return result;
 190
 191                 result = IStream_Clone (pDesc->pStream, &pClonedStream);
 192                 if (FAILED(result)) return result;
 193
 194                 result = IPersistStream_Load (pPersistStream, pClonedStream);
 195                 if (FAILED(result))     return result;
 196
 197                 IPersistStream_Release (pPersistStream);
 198                 IStream_Release (pClonedStream);
 199         } else if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
 200                 /* load object by GUID */
 201                 TRACE(": loading by GUID (only default DLS supported)\n");
 202                 if (IsEqualGUID (&pDesc->guidObject, &GUID_DefaultGMCollection)) {
 203                         WCHAR wzFileName[MAX_PATH];
 204                         IPersistStream *pPersistStream = NULL;
 205                         ILoaderStream* pStream;
 206                         if (FAILED(DMUSIC_GetDefaultGMPath (wzFileName)))
 207                                 return E_FAIL;
 208                         /* load object from file */
 209                         result = DMUSIC_CreateLoaderStream ((LPSTREAM*) &pStream);
 210                         if (FAILED(result)) return result;
 211
 212                         result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER) iface);
 213                         if (FAILED(result)) return result;
 214
 215                         result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*) &pPersistStream);
 216                         if (FAILED(result)) return result;
 217
 218                         result = IPersistStream_Load (pPersistStream, (LPSTREAM) pStream);
 219                         if (FAILED(result)) return result;
 220
 221                         ILoaderStream_IStream_Release ((LPSTREAM) pStream);
 222                         IPersistStream_Release (pPersistStream);
 223                 } else {
 224                         return E_FAIL;
 225                 }
 226         } else {
 227                 /* nowhere to load from */
 228                 FIXME(": unknown/unsupported way of loading\n");
 229                 return E_FAIL;
 230         }
 231         /* add object to cache */
 232         newEntry = (LPDMUS_PRIVATE_CACHE_ENTRY) HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_CACHE_ENTRY));
 233         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 234                 memcpy (&newEntry->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 235         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 236                 strncpyW (newEntry->wzFileName, pDesc->wszFileName, MAX_PATH);
 237         if (pObject)
 238                 newEntry->pObject = pObject;
 239         list_add_tail (&This->CacheList, &newEntry->entry);
 240         TRACE(": filled in cache entry\n");
 241
 242         /* for debug purposes (e.g. to check if all files are cached) */
 243 #if 0
 244         int i = 0;
 245         LIST_FOR_EACH (listEntry, &This->CacheList) {
 246                 i++;
 247                 cacheEntry = LIST_ENTRY( listEntry, DMUS_PRIVATE_CACHE_ENTRY, entry );
 248                 TRACE("Entry nr. %i: GUID = %s, FileName = %s\n", i, debugstr_guid (&cacheEntry->guidObject), debugstr_w (cacheEntry->wzFileName));
 249         }
 250 #endif
 251
 252         return IDirectMusicObject_QueryInterface (pObject, riid, ppv);
 253 }
 254
 255 HRESULT WINAPI IDirectMusicLoader8Impl_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc)
 256 {
 257         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 258
 259         FIXME("(%p, %p): stub\n", This, pDesc);
 260
 261         return S_OK;
 262 }
 263
 264 HRESULT WINAPI IDirectMusicLoader8Impl_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear)
 265 {
 266         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 267
 268         TRACE("(%p, %s, %s, %d)\n", This, debugstr_guid(rguidClass), debugstr_w(pwzPath), fClear);
 269         if (0 == strncmpW(This->wzSearchPath, pwzPath, MAX_PATH)) {
 270           return S_FALSE;
 271         }
 272         strncpyW(This->wzSearchPath, pwzPath, MAX_PATH);
 273
 274         return S_OK;
 275 }
 276
 277 HRESULT WINAPI IDirectMusicLoader8Impl_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName)
 278 {
 279         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 280
 281         FIXME("(%p, %s, %p, %p): stub\n", This, debugstr_guid(rguidClass), pwzFileExtension, pwzScanFileName);
 282
 283         return S_OK;
 284 }
 285
 286 HRESULT WINAPI IDirectMusicLoader8Impl_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
 287 {
 288         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 289
 290         FIXME("(%p, %p): stub\n", This, pObject);
 291
 292         return S_OK;
 293 }
 294
 295 HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
 296 {
 297         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 298
 299         FIXME("(%p, %p): stub\n", This, pObject);
 300
 301         return S_OK;
 302 }
 303
 304 HRESULT WINAPI IDirectMusicLoader8Impl_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass)
 305 {
 306         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 307
 308         FIXME("(%p, %s): stub\n", This, debugstr_guid(rguidClass));
 309
 310         return S_OK;
 311 }
 312
 313 HRESULT WINAPI IDirectMusicLoader8Impl_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable)
 314 {
 315         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 316
 317         FIXME("(%p, %s, %d): stub\n", This, debugstr_guid(rguidClass), fEnable);
 318
 319         return S_OK;
 320 }
 321
 322 HRESULT WINAPI IDirectMusicLoader8Impl_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc)
 323 {
 324         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 325
 326         FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_guid(rguidClass), dwIndex, pDesc);
 327
 328         return S_OK;
 329 }
 330
 331 /* IDirectMusicLoader8 Interface part follow: */
 332 void WINAPI IDirectMusicLoader8Impl_CollectGarbage (LPDIRECTMUSICLOADER8 iface)
 333 {
 334         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 335
 336         FIXME("(%p): stub\n", This);
 337 }
 338
 339 HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject)
 340 {
 341         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 342
 343         FIXME("(%p, %p): stub\n", This, pObject);
 344
 345         return S_OK;
 346 }
 347
 348 HRESULT WINAPI IDirectMusicLoader8Impl_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface,
 349                                                            REFGUID rguidClassID,
 350                                                            REFIID iidInterfaceID,
 351                                                            WCHAR* pwzFilePath,
 352                                                            void** ppObject)
 353 {
 354         ICOM_THIS(IDirectMusicLoader8Impl,iface);
 355         DMUS_OBJECTDESC ObjDesc;
 356
 357         TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoader8Impl_GetObject\n", This, debugstr_guid(rguidClassID), debugstr_guid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
 358
 359         ObjDesc.dwSize = sizeof(DMUS_OBJECTDESC);
 360         ObjDesc.dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_CLASS; /* I believe I've read somewhere in MSDN that this function requires either full path or relative path */
 361         ObjDesc.guidClass = *rguidClassID;
 362         /* OK, MSDN says that search order is the following:
 363             - current directory (DONE)
 364             - windows search path (FIXME: how do I get that?)
 365             - loader's search path (DONE)
 366         */
 367         /* search in current directory */
 368         if (!SearchPathW (NULL, pwzFilePath, NULL,
 369                           sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL) &&
 370             /* search in loader's search path */
 371             !SearchPathW (This->wzSearchPath, pwzFilePath, NULL,
 372                           sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL))
 373         {
 374                 /* cannot find file */
 375                 TRACE("cannot find file\n");
 376                 return DMUS_E_LOADER_FAILEDOPEN;
 377         }
 378
 379         TRACE("full file path = %s\n", debugstr_w (ObjDesc.wszFileName));
 380
 381         return IDirectMusicLoader8Impl_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
 382 }
 383
 384 ICOM_VTABLE(IDirectMusicLoader8) DirectMusicLoader8_Vtbl =
 385 {
 386     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 387         IDirectMusicLoader8Impl_QueryInterface,
 388         IDirectMusicLoader8Impl_AddRef,
 389         IDirectMusicLoader8Impl_Release,
 390         IDirectMusicLoader8Impl_GetObject,
 391         IDirectMusicLoader8Impl_SetObject,
 392         IDirectMusicLoader8Impl_SetSearchDirectory,
 393         IDirectMusicLoader8Impl_ScanDirectory,
 394         IDirectMusicLoader8Impl_CacheObject,
 395         IDirectMusicLoader8Impl_ReleaseObject,
 396         IDirectMusicLoader8Impl_ClearCache,
 397         IDirectMusicLoader8Impl_EnableCache,
 398         IDirectMusicLoader8Impl_EnumObject,
 399         IDirectMusicLoader8Impl_CollectGarbage,
 400         IDirectMusicLoader8Impl_ReleaseObjectByUnknown,
 401         IDirectMusicLoader8Impl_LoadObjectFromFile
 402 };
 403
 404 /* for ClassFactory */
 405 HRESULT WINAPI DMUSIC_CreateDirectMusicLoader (LPCGUID lpcGUID, LPDIRECTMUSICLOADER8 *ppDMLoad, LPUNKNOWN pUnkOuter)
 406 {
 407         IDirectMusicLoader8Impl *dmloader;
 408
 409         TRACE("(%p,%p,%p)\n",lpcGUID, ppDMLoad, pUnkOuter);
 410         if (IsEqualIID (lpcGUID, &IID_IDirectMusicLoader) ||
 411             IsEqualIID (lpcGUID, &IID_IDirectMusicLoader8)) {
 412                 dmloader = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoader8Impl));
 413                 if (NULL == dmloader) {
 414                         *ppDMLoad = (LPDIRECTMUSICLOADER8)NULL;
 415                         return E_OUTOFMEMORY;
 416                 }
 417                 dmloader->lpVtbl = &DirectMusicLoader8_Vtbl;
 418                 dmloader->ref = 1;
 419                 MultiByteToWideChar (CP_ACP, 0, ".\\", -1, dmloader->wzSearchPath, MAX_PATH);
 420                 list_init (&dmloader->CacheList);
 421                 *ppDMLoad = (LPDIRECTMUSICLOADER8)dmloader;
 422                 return S_OK;
 423         }
 424
 425         WARN("No interface found\n");
 426         return E_NOINTERFACE;
 427 }
 428
 429 /* help function for IDirectMusicLoader8Impl_GetObject */
 430 HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH])
 431 {
 432         HKEY hkDM;
 433         DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
 434         char szPath[MAX_PATH];
 435
 436         if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
 437             (RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
 438                 WARN(": registry entry missing\n" );
 439                 return E_FAIL;
 440         }
 441         /* FIXME: Check return types to ensure we're interpreting data right */
 442         MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
 443
 444         return S_OK;
 445 }