dlls/devenum/mediacatenum.c

   1 /*
   2  *      IEnumMoniker implementation for DEVENUM.dll
   3  *
   4  * Copyright (C) 2002 Robert Shearman
   5  *
   6  * This library 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 library 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 library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * NOTES ON THIS FILE:
  21  * - Implements IEnumMoniker interface which enumerates through moniker
  22  *   objects created from HKEY_CLASSES/CLSID/{DEVICE_CLSID}/Instance
  23  */
  24
  25 #include "devenum_private.h"
  26 #include "oleauto.h"
  27 #include "ocidl.h"
  28
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(devenum);
  32
  33 typedef struct
  34 {
  35     IEnumMoniker IEnumMoniker_iface;
  36     CLSID class;
  37     LONG ref;
  38     HKEY sw_key;
  39     DWORD sw_index;
  40     HKEY cm_key;
  41     DWORD cm_index;
  42 } EnumMonikerImpl;
  43
  44 typedef struct
  45 {
  46     IPropertyBag IPropertyBag_iface;
  47     LONG ref;
  48     enum device_type type;
  49     WCHAR path[MAX_PATH];
  50 } RegPropBagImpl;
  51
  52
  53 static inline RegPropBagImpl *impl_from_IPropertyBag(IPropertyBag *iface)
  54 {
  55     return CONTAINING_RECORD(iface, RegPropBagImpl, IPropertyBag_iface);
  56 }
  57
  58 static HRESULT WINAPI DEVENUM_IPropertyBag_QueryInterface(
  59     LPPROPERTYBAG iface,
  60     REFIID riid,
  61     LPVOID *ppvObj)
  62 {
  63     RegPropBagImpl *This = impl_from_IPropertyBag(iface);
  64
  65     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObj);
  66
  67     if (This == NULL || ppvObj == NULL) return E_POINTER;
  68
  69     if (IsEqualGUID(riid, &IID_IUnknown) ||
  70         IsEqualGUID(riid, &IID_IPropertyBag))
  71     {
  72         *ppvObj = iface;
  73         IPropertyBag_AddRef(iface);
  74         return S_OK;
  75     }
  76
  77     FIXME("- no interface IID: %s\n", debugstr_guid(riid));
  78     return E_NOINTERFACE;
  79 }
  80
  81 /**********************************************************************
  82  * DEVENUM_IPropertyBag_AddRef (also IUnknown)
  83  */
  84 static ULONG WINAPI DEVENUM_IPropertyBag_AddRef(LPPROPERTYBAG iface)
  85 {
  86     RegPropBagImpl *This = impl_from_IPropertyBag(iface);
  87
  88     TRACE("(%p)->() AddRef from %d\n", iface, This->ref);
  89
  90     return InterlockedIncrement(&This->ref);
  91 }
  92
  93 /**********************************************************************
  94  * DEVENUM_IPropertyBag_Release (also IUnknown)
  95  */
  96 static ULONG WINAPI DEVENUM_IPropertyBag_Release(LPPROPERTYBAG iface)
  97 {
  98     RegPropBagImpl *This = impl_from_IPropertyBag(iface);
  99     ULONG ref;
 100
 101     TRACE("(%p)->() ReleaseThis->ref from %d\n", iface, This->ref);
 102
 103     ref = InterlockedDecrement(&This->ref);
 104     if (ref == 0) {
 105         CoTaskMemFree(This);
 106         DEVENUM_UnlockModule();
 107     }
 108     return ref;
 109 }
 110
 111 static HRESULT WINAPI DEVENUM_IPropertyBag_Read(
 112     LPPROPERTYBAG iface,
 113     LPCOLESTR pszPropName,
 114     VARIANT* pVar,
 115     IErrorLog* pErrorLog)
 116 {
 117     LPVOID pData = NULL;
 118     DWORD received;
 119     DWORD type = 0;
 120     RegPropBagImpl *This = impl_from_IPropertyBag(iface);
 121     HRESULT res = S_OK;
 122     LONG reswin32 = ERROR_SUCCESS;
 123     HKEY hkey;
 124
 125     TRACE("(%p)->(%s, %p, %p)\n", This, debugstr_w(pszPropName), pVar, pErrorLog);
 126
 127     if (!pszPropName || !pVar)
 128         return E_POINTER;
 129
 130     if (This->type == DEVICE_FILTER)
 131         reswin32 = RegOpenKeyW(HKEY_CLASSES_ROOT, This->path, &hkey);
 132     else if (This->type == DEVICE_CODEC)
 133         reswin32 = RegOpenKeyW(HKEY_CURRENT_USER, This->path, &hkey);
 134     res = HRESULT_FROM_WIN32(reswin32);
 135
 136     if (SUCCEEDED(res))
 137     {
 138         reswin32 = RegQueryValueExW(hkey, pszPropName, NULL, NULL, NULL, &received);
 139         res = HRESULT_FROM_WIN32(reswin32);
 140     }
 141
 142     if (SUCCEEDED(res))
 143     {
 144         pData = HeapAlloc(GetProcessHeap(), 0, received);
 145
 146         /* work around a GCC bug that occurs here unless we use the reswin32 variable as well */
 147         reswin32 = RegQueryValueExW(hkey, pszPropName, NULL, &type, pData, &received);
 148         res = HRESULT_FROM_WIN32(reswin32);
 149     }
 150
 151     if (SUCCEEDED(res))
 152     {
 153         res = E_INVALIDARG; /* assume we cannot coerce into right type */
 154
 155         TRACE("Read %d bytes (%s)\n", received, type == REG_SZ ? debugstr_w(pData) : "binary data");
 156
 157         switch (type)
 158         {
 159         case REG_SZ:
 160             switch (V_VT(pVar))
 161             {
 162             case VT_LPWSTR:
 163                 V_BSTR(pVar) = CoTaskMemAlloc(received);
 164                 memcpy(V_BSTR(pVar), pData, received);
 165                 res = S_OK;
 166                 break;
 167             case VT_EMPTY:
 168                 V_VT(pVar) = VT_BSTR;
 169             /* fall through */
 170             case VT_BSTR:
 171                 V_BSTR(pVar) = SysAllocStringLen(pData, received/sizeof(WCHAR) - 1);
 172                 res = S_OK;
 173                 break;
 174             }
 175             break;
 176         case REG_DWORD:
 177             TRACE("REG_DWORD: %x\n", *(DWORD *)pData);
 178             switch (V_VT(pVar))
 179             {
 180             case VT_EMPTY:
 181                 V_VT(pVar) = VT_I4;
 182                 /* fall through */
 183             case VT_I4:
 184             case VT_UI4:
 185                 V_I4(pVar) = *(DWORD *)pData;
 186                 res = S_OK;
 187                 break;
 188             }
 189             break;
 190         case REG_BINARY:
 191             {
 192                 SAFEARRAYBOUND bound;
 193                 void * pArrayElements;
 194                 bound.lLbound = 0;
 195                 bound.cElements = received;
 196                 TRACE("REG_BINARY: len = %d\n", received);
 197                 switch (V_VT(pVar))
 198                 {
 199                 case VT_EMPTY:
 200                     V_VT(pVar) = VT_ARRAY | VT_UI1;
 201                     /* fall through */
 202                 case VT_ARRAY | VT_UI1:
 203                     if (!(V_ARRAY(pVar) = SafeArrayCreate(VT_UI1, 1, &bound)))
 204                         res = E_OUTOFMEMORY;
 205                     else
 206                         res = S_OK;
 207                     break;
 208                 }
 209
 210                 if (res == E_INVALIDARG)
 211                     break;
 212
 213                 res = SafeArrayAccessData(V_ARRAY(pVar), &pArrayElements);
 214                 if (FAILED(res))
 215                     break;
 216
 217                 CopyMemory(pArrayElements, pData, received);
 218                 res = SafeArrayUnaccessData(V_ARRAY(pVar));
 219                 break;
 220             }
 221         }
 222         if (res == E_INVALIDARG)
 223             FIXME("Variant type %x not supported for regtype %x\n", V_VT(pVar), type);
 224     }
 225
 226     HeapFree(GetProcessHeap(), 0, pData);
 227
 228     RegCloseKey(hkey);
 229
 230     TRACE("<- %x\n", res);
 231     return res;
 232 }
 233
 234 static HRESULT WINAPI DEVENUM_IPropertyBag_Write(
 235     LPPROPERTYBAG iface,
 236     LPCOLESTR pszPropName,
 237     VARIANT* pVar)
 238 {
 239     RegPropBagImpl *This = impl_from_IPropertyBag(iface);
 240     LPVOID lpData = NULL;
 241     DWORD cbData = 0;
 242     DWORD dwType = 0;
 243     HRESULT res = S_OK;
 244     LONG lres = ERROR_SUCCESS;
 245     HKEY hkey;
 246
 247     TRACE("(%p)->(%s, %p)\n", This, debugstr_w(pszPropName), pVar);
 248
 249     switch (V_VT(pVar))
 250     {
 251     case VT_BSTR:
 252     case VT_LPWSTR:
 253         TRACE("writing %s\n", debugstr_w(V_BSTR(pVar)));
 254         lpData = V_BSTR(pVar);
 255         dwType = REG_SZ;
 256         cbData = (lstrlenW(V_BSTR(pVar)) + 1) * sizeof(WCHAR);
 257         break;
 258     case VT_I4:
 259     case VT_UI4:
 260         TRACE("writing %u\n", V_UI4(pVar));
 261         lpData = &V_UI4(pVar);
 262         dwType = REG_DWORD;
 263         cbData = sizeof(DWORD);
 264         break;
 265     case VT_ARRAY | VT_UI1:
 266     {
 267         LONG lUbound = 0;
 268         LONG lLbound = 0;
 269         dwType = REG_BINARY;
 270         res = SafeArrayGetLBound(V_ARRAY(pVar), 1, &lLbound);
 271         res = SafeArrayGetUBound(V_ARRAY(pVar), 1, &lUbound);
 272         cbData = (lUbound - lLbound + 1) /* * sizeof(BYTE)*/;
 273         TRACE("cbData: %d\n", cbData);
 274         res = SafeArrayAccessData(V_ARRAY(pVar), &lpData);
 275         break;
 276     }
 277     default:
 278         FIXME("Variant type %d not handled\n", V_VT(pVar));
 279         return E_FAIL;
 280     }
 281
 282     if (This->type == DEVICE_FILTER)
 283         lres = RegCreateKeyW(HKEY_CLASSES_ROOT, This->path, &hkey);
 284     else if (This->type == DEVICE_CODEC)
 285         lres = RegCreateKeyW(HKEY_CURRENT_USER, This->path, &hkey);
 286     res = HRESULT_FROM_WIN32(lres);
 287
 288     if (SUCCEEDED(res))
 289     {
 290         lres = RegSetValueExW(hkey, pszPropName, 0, dwType, lpData, cbData);
 291         res = HRESULT_FROM_WIN32(lres);
 292         RegCloseKey(hkey);
 293     }
 294
 295     if (V_VT(pVar) & VT_ARRAY)
 296         res = SafeArrayUnaccessData(V_ARRAY(pVar));
 297
 298     return res;
 299 }
 300
 301 static const IPropertyBagVtbl IPropertyBag_Vtbl =
 302 {
 303     DEVENUM_IPropertyBag_QueryInterface,
 304     DEVENUM_IPropertyBag_AddRef,
 305     DEVENUM_IPropertyBag_Release,
 306     DEVENUM_IPropertyBag_Read,
 307     DEVENUM_IPropertyBag_Write
 308 };
 309
 310 static HRESULT create_PropertyBag(MediaCatMoniker *mon, IPropertyBag **ppBag)
 311 {
 312     RegPropBagImpl * rpb = CoTaskMemAlloc(sizeof(RegPropBagImpl));
 313     if (!rpb)
 314         return E_OUTOFMEMORY;
 315     rpb->IPropertyBag_iface.lpVtbl = &IPropertyBag_Vtbl;
 316     rpb->ref = 1;
 317     rpb->type = mon->type;
 318
 319     if (rpb->type == DEVICE_FILTER)
 320         strcpyW(rpb->path, clsidW);
 321     else if (rpb->type == DEVICE_CODEC)
 322         strcpyW(rpb->path, wszActiveMovieKey);
 323     if (mon->has_class)
 324     {
 325         StringFromGUID2(&mon->class, rpb->path + strlenW(rpb->path), CHARS_IN_GUID);
 326         if (rpb->type == DEVICE_FILTER)
 327             strcatW(rpb->path, instanceW);
 328         strcatW(rpb->path, backslashW);
 329     }
 330     strcatW(rpb->path, mon->name);
 331
 332     *ppBag = &rpb->IPropertyBag_iface;
 333     DEVENUM_LockModule();
 334     return S_OK;
 335 }
 336
 337
 338 static inline MediaCatMoniker *impl_from_IMoniker(IMoniker *iface)
 339 {
 340     return CONTAINING_RECORD(iface, MediaCatMoniker, IMoniker_iface);
 341 }
 342
 343 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_QueryInterface(IMoniker *iface, REFIID riid,
 344         void **ppv)
 345 {
 346     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
 347
 348     if (!ppv)
 349         return E_POINTER;
 350
 351     if (IsEqualGUID(riid, &IID_IUnknown) ||
 352         IsEqualGUID(riid, &IID_IPersist) ||
 353         IsEqualGUID(riid, &IID_IPersistStream) ||
 354         IsEqualGUID(riid, &IID_IMoniker))
 355     {
 356         *ppv = iface;
 357         IMoniker_AddRef(iface);
 358         return S_OK;
 359     }
 360
 361     FIXME("- no interface IID: %s\n", debugstr_guid(riid));
 362     *ppv = NULL;
 363     return E_NOINTERFACE;
 364 }
 365
 366 static ULONG WINAPI DEVENUM_IMediaCatMoniker_AddRef(IMoniker *iface)
 367 {
 368     MediaCatMoniker *This = impl_from_IMoniker(iface);
 369     ULONG ref = InterlockedIncrement(&This->ref);
 370
 371     TRACE("(%p) ref=%d\n", This, ref);
 372
 373     return ref;
 374 }
 375
 376 static ULONG WINAPI DEVENUM_IMediaCatMoniker_Release(IMoniker *iface)
 377 {
 378     MediaCatMoniker *This = impl_from_IMoniker(iface);
 379     ULONG ref = InterlockedDecrement(&This->ref);
 380
 381     TRACE("(%p) ref=%d\n", This, ref);
 382
 383     if (ref == 0) {
 384         CoTaskMemFree(This->name);
 385         CoTaskMemFree(This);
 386         DEVENUM_UnlockModule();
 387     }
 388     return ref;
 389 }
 390
 391 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetClassID(IMoniker *iface, CLSID *pClassID)
 392 {
 393     MediaCatMoniker *This = impl_from_IMoniker(iface);
 394
 395     TRACE("(%p)->(%p)\n", This, pClassID);
 396
 397     if (pClassID == NULL)
 398         return E_INVALIDARG;
 399
 400     *pClassID = CLSID_CDeviceMoniker;
 401
 402     return S_OK;
 403 }
 404
 405 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsDirty(IMoniker *iface)
 406 {
 407     FIXME("(%p)->(): stub\n", iface);
 408
 409     return S_FALSE;
 410 }
 411
 412 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Load(IMoniker *iface, IStream *pStm)
 413 {
 414     FIXME("(%p)->(%p): stub\n", iface, pStm);
 415
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Save(IMoniker *iface, IStream *pStm, BOOL fClearDirty)
 420 {
 421     FIXME("(%p)->(%p, %s): stub\n", iface, pStm, fClearDirty ? "true" : "false");
 422
 423     return STG_E_CANTSAVE;
 424 }
 425
 426 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetSizeMax(IMoniker *iface, ULARGE_INTEGER *pcbSize)
 427 {
 428     FIXME("(%p)->(%p): stub\n", iface, pcbSize);
 429
 430     ZeroMemory(pcbSize, sizeof(*pcbSize));
 431
 432     return S_OK;
 433 }
 434
 435 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToObject(IMoniker *iface, IBindCtx *pbc,
 436         IMoniker *pmkToLeft, REFIID riidResult, void **ppvResult)
 437 {
 438     MediaCatMoniker *This = impl_from_IMoniker(iface);
 439     IUnknown * pObj = NULL;
 440     IPropertyBag * pProp = NULL;
 441     CLSID clsID;
 442     VARIANT var;
 443     HRESULT res = E_FAIL;
 444
 445     TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riidResult), ppvResult);
 446
 447     VariantInit(&var);
 448     *ppvResult = NULL;
 449
 450     if(pmkToLeft==NULL)
 451     {
 452             /* first activation of this class */
 453             LPVOID pvptr;
 454             res=IMoniker_BindToStorage(iface, NULL, NULL, &IID_IPropertyBag, &pvptr);
 455             pProp = pvptr;
 456             if (SUCCEEDED(res))
 457             {
 458                 V_VT(&var) = VT_LPWSTR;
 459                 res = IPropertyBag_Read(pProp, clsid_keyname, &var, NULL);
 460             }
 461             if (SUCCEEDED(res))
 462             {
 463                 res = CLSIDFromString(V_BSTR(&var), &clsID);
 464                 CoTaskMemFree(V_BSTR(&var));
 465             }
 466             if (SUCCEEDED(res))
 467             {
 468                 res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IUnknown,&pvptr);
 469                 pObj = pvptr;
 470             }
 471     }
 472
 473     if (pObj!=NULL)
 474     {
 475         /* get the requested interface from the loaded class */
 476         res = S_OK;
 477         if (pProp) {
 478            HRESULT res2;
 479            LPVOID ppv = NULL;
 480            res2 = IUnknown_QueryInterface(pObj, &IID_IPersistPropertyBag, &ppv);
 481            if (SUCCEEDED(res2)) {
 482               res = IPersistPropertyBag_Load((IPersistPropertyBag *) ppv, pProp, NULL);
 483               IPersistPropertyBag_Release((IPersistPropertyBag *) ppv);
 484            }
 485         }
 486         if (SUCCEEDED(res))
 487            res= IUnknown_QueryInterface(pObj,riidResult,ppvResult);
 488         IUnknown_Release(pObj);
 489     }
 490
 491     if (pProp)
 492     {
 493         IPropertyBag_Release(pProp);
 494     }
 495
 496     TRACE("<- 0x%x\n", res);
 497
 498     return res;
 499 }
 500
 501 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToStorage(IMoniker *iface, IBindCtx *pbc,
 502         IMoniker *pmkToLeft, REFIID riid, void **ppvObj)
 503 {
 504     MediaCatMoniker *This = impl_from_IMoniker(iface);
 505
 506     TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riid), ppvObj);
 507
 508     *ppvObj = NULL;
 509
 510     if (pmkToLeft)
 511         return MK_E_NOSTORAGE;
 512
 513     if (pbc != NULL)
 514     {
 515         static DWORD reported;
 516         if (!reported)
 517         {
 518             FIXME("ignoring IBindCtx %p\n", pbc);
 519             reported++;
 520         }
 521     }
 522
 523     if (IsEqualGUID(riid, &IID_IPropertyBag))
 524     {
 525         return create_PropertyBag(This, (IPropertyBag**)ppvObj);
 526     }
 527
 528     return MK_E_NOSTORAGE;
 529 }
 530
 531 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Reduce(IMoniker *iface, IBindCtx *pbc,
 532         DWORD dwReduceHowFar, IMoniker **ppmkToLeft, IMoniker **ppmkReduced)
 533 {
 534     TRACE("(%p)->(%p, %d, %p, %p)\n", iface, pbc, dwReduceHowFar, ppmkToLeft, ppmkReduced);
 535
 536     if (ppmkToLeft)
 537         *ppmkToLeft = NULL;
 538     *ppmkReduced = iface;
 539
 540     return MK_S_REDUCED_TO_SELF;
 541 }
 542
 543 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ComposeWith(IMoniker *iface, IMoniker *pmkRight,
 544         BOOL fOnlyIfNotGeneric, IMoniker **ppmkComposite)
 545 {
 546     FIXME("(%p)->(%p, %s, %p): stub\n", iface, pmkRight, fOnlyIfNotGeneric ? "true" : "false", ppmkComposite);
 547
 548     /* FIXME: use CreateGenericComposite? */
 549     *ppmkComposite = NULL;
 550
 551     return E_NOTIMPL;
 552 }
 553
 554 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Enum(IMoniker *iface, BOOL fForward,
 555         IEnumMoniker **ppenumMoniker)
 556 {
 557     FIXME("(%p)->(%s, %p): stub\n", iface, fForward ? "true" : "false", ppenumMoniker);
 558
 559     *ppenumMoniker = NULL;
 560
 561     return S_OK;
 562 }
 563
 564 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsEqual(IMoniker *iface, IMoniker *pmkOtherMoniker)
 565 {
 566     CLSID clsid;
 567     LPOLESTR this_name, other_name;
 568     IBindCtx *bind;
 569     HRESULT res;
 570
 571     TRACE("(%p)->(%p)\n", iface, pmkOtherMoniker);
 572
 573     if (!pmkOtherMoniker)
 574         return E_INVALIDARG;
 575
 576     IMoniker_GetClassID(pmkOtherMoniker, &clsid);
 577     if (!IsEqualCLSID(&clsid, &CLSID_CDeviceMoniker))
 578         return S_FALSE;
 579
 580     res = CreateBindCtx(0, &bind);
 581     if (FAILED(res))
 582        return res;
 583
 584     res = S_FALSE;
 585     if (SUCCEEDED(IMoniker_GetDisplayName(iface, bind, NULL, &this_name)) &&
 586         SUCCEEDED(IMoniker_GetDisplayName(pmkOtherMoniker, bind, NULL, &other_name)))
 587     {
 588         int result = lstrcmpiW(this_name, other_name);
 589         CoTaskMemFree(this_name);
 590         CoTaskMemFree(other_name);
 591         if (!result)
 592             res = S_OK;
 593     }
 594     IBindCtx_Release(bind);
 595     return res;
 596 }
 597
 598 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Hash(IMoniker *iface, DWORD *pdwHash)
 599 {
 600     TRACE("(%p)->(%p)\n", iface, pdwHash);
 601
 602     *pdwHash = 0;
 603
 604     return S_OK;
 605 }
 606
 607 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsRunning(IMoniker *iface, IBindCtx *pbc,
 608         IMoniker *pmkToLeft, IMoniker *pmkNewlyRunning)
 609 {
 610     FIXME("(%p)->(%p, %p, %p): stub\n", iface, pbc, pmkToLeft, pmkNewlyRunning);
 611
 612     return S_FALSE;
 613 }
 614
 615 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetTimeOfLastChange(IMoniker *iface, IBindCtx *pbc,
 616         IMoniker *pmkToLeft, FILETIME *pFileTime)
 617 {
 618     TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, pFileTime);
 619
 620     pFileTime->dwLowDateTime = 0xFFFFFFFF;
 621     pFileTime->dwHighDateTime = 0x7FFFFFFF;
 622
 623     return MK_E_UNAVAILABLE;
 624 }
 625
 626 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Inverse(IMoniker *iface, IMoniker **ppmk)
 627 {
 628     TRACE("(%p)->(%p)\n", iface, ppmk);
 629
 630     *ppmk = NULL;
 631
 632     return MK_E_NOINVERSE;
 633 }
 634
 635 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_CommonPrefixWith(IMoniker *iface,
 636         IMoniker *pmkOtherMoniker, IMoniker **ppmkPrefix)
 637 {
 638     TRACE("(%p)->(%p, %p)\n", iface, pmkOtherMoniker, ppmkPrefix);
 639
 640     *ppmkPrefix = NULL;
 641
 642     return MK_E_NOPREFIX;
 643 }
 644
 645 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_RelativePathTo(IMoniker *iface, IMoniker *pmkOther,
 646         IMoniker **ppmkRelPath)
 647 {
 648     TRACE("(%p)->(%p, %p)\n", iface, pmkOther, ppmkRelPath);
 649
 650     *ppmkRelPath = pmkOther;
 651
 652     return MK_S_HIM;
 653 }
 654
 655 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetDisplayName(IMoniker *iface, IBindCtx *pbc,
 656         IMoniker *pmkToLeft, LPOLESTR *ppszDisplayName)
 657 {
 658     static const WCHAR swW[] = {'s','w',':',0};
 659     static const WCHAR cmW[] = {'c','m',':',0};
 660     MediaCatMoniker *This = impl_from_IMoniker(iface);
 661     WCHAR *buffer;
 662
 663     TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, ppszDisplayName);
 664
 665     *ppszDisplayName = NULL;
 666
 667     buffer = CoTaskMemAlloc((strlenW(deviceW) + 4 + (This->has_class ? CHARS_IN_GUID : 0)
 668                             + strlenW(This->name) + 1) * sizeof(WCHAR));
 669     if (!buffer)
 670         return E_OUTOFMEMORY;
 671
 672     strcpyW(buffer, deviceW);
 673     if (This->type == DEVICE_FILTER)
 674         strcatW(buffer, swW);
 675     else if (This->type == DEVICE_CODEC)
 676         strcatW(buffer, cmW);
 677
 678     if (This->has_class)
 679     {
 680         StringFromGUID2(&This->class, buffer + strlenW(buffer), CHARS_IN_GUID);
 681         strcatW(buffer, backslashW);
 682     }
 683     strcatW(buffer, This->name);
 684
 685     *ppszDisplayName = buffer;
 686     return S_OK;
 687 }
 688
 689 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ParseDisplayName(IMoniker *iface, IBindCtx *pbc,
 690         IMoniker *pmkToLeft, LPOLESTR pszDisplayName, ULONG *pchEaten, IMoniker **ppmkOut)
 691 {
 692     FIXME("(%p)->(%p, %p, %s, %p, %p)\n", iface, pbc, pmkToLeft, debugstr_w(pszDisplayName), pchEaten, ppmkOut);
 693
 694     *pchEaten = 0;
 695     *ppmkOut = NULL;
 696
 697     return MK_E_SYNTAX;
 698 }
 699
 700 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsSystemMoniker(IMoniker *iface, DWORD *pdwMksys)
 701 {
 702     TRACE("(%p)->(%p)\n", iface, pdwMksys);
 703
 704     return S_FALSE;
 705 }
 706
 707 static const IMonikerVtbl IMoniker_Vtbl =
 708 {
 709     DEVENUM_IMediaCatMoniker_QueryInterface,
 710     DEVENUM_IMediaCatMoniker_AddRef,
 711     DEVENUM_IMediaCatMoniker_Release,
 712     DEVENUM_IMediaCatMoniker_GetClassID,
 713     DEVENUM_IMediaCatMoniker_IsDirty,
 714     DEVENUM_IMediaCatMoniker_Load,
 715     DEVENUM_IMediaCatMoniker_Save,
 716     DEVENUM_IMediaCatMoniker_GetSizeMax,
 717     DEVENUM_IMediaCatMoniker_BindToObject,
 718     DEVENUM_IMediaCatMoniker_BindToStorage,
 719     DEVENUM_IMediaCatMoniker_Reduce,
 720     DEVENUM_IMediaCatMoniker_ComposeWith,
 721     DEVENUM_IMediaCatMoniker_Enum,
 722     DEVENUM_IMediaCatMoniker_IsEqual,
 723     DEVENUM_IMediaCatMoniker_Hash,
 724     DEVENUM_IMediaCatMoniker_IsRunning,
 725     DEVENUM_IMediaCatMoniker_GetTimeOfLastChange,
 726     DEVENUM_IMediaCatMoniker_Inverse,
 727     DEVENUM_IMediaCatMoniker_CommonPrefixWith,
 728     DEVENUM_IMediaCatMoniker_RelativePathTo,
 729     DEVENUM_IMediaCatMoniker_GetDisplayName,
 730     DEVENUM_IMediaCatMoniker_ParseDisplayName,
 731     DEVENUM_IMediaCatMoniker_IsSystemMoniker
 732 };
 733
 734 MediaCatMoniker * DEVENUM_IMediaCatMoniker_Construct(void)
 735 {
 736     MediaCatMoniker * pMoniker = NULL;
 737     pMoniker = CoTaskMemAlloc(sizeof(MediaCatMoniker));
 738     if (!pMoniker)
 739         return NULL;
 740
 741     pMoniker->IMoniker_iface.lpVtbl = &IMoniker_Vtbl;
 742     pMoniker->ref = 0;
 743     pMoniker->has_class = FALSE;
 744     pMoniker->name = NULL;
 745
 746     DEVENUM_IMediaCatMoniker_AddRef(&pMoniker->IMoniker_iface);
 747
 748     DEVENUM_LockModule();
 749
 750     return pMoniker;
 751 }
 752
 753 static inline EnumMonikerImpl *impl_from_IEnumMoniker(IEnumMoniker *iface)
 754 {
 755     return CONTAINING_RECORD(iface, EnumMonikerImpl, IEnumMoniker_iface);
 756 }
 757
 758 static HRESULT WINAPI DEVENUM_IEnumMoniker_QueryInterface(IEnumMoniker *iface, REFIID riid,
 759         void **ppv)
 760 {
 761     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 762
 763     if (!ppv)
 764         return E_POINTER;
 765
 766     if (IsEqualGUID(riid, &IID_IUnknown) ||
 767         IsEqualGUID(riid, &IID_IEnumMoniker))
 768     {
 769         *ppv = iface;
 770         IEnumMoniker_AddRef(iface);
 771         return S_OK;
 772     }
 773
 774     FIXME("- no interface IID: %s\n", debugstr_guid(riid));
 775     *ppv = NULL;
 776     return E_NOINTERFACE;
 777 }
 778
 779 static ULONG WINAPI DEVENUM_IEnumMoniker_AddRef(IEnumMoniker *iface)
 780 {
 781     EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
 782     ULONG ref = InterlockedIncrement(&This->ref);
 783
 784     TRACE("(%p) ref=%d\n", This, ref);
 785
 786     return ref;
 787 }
 788
 789 static ULONG WINAPI DEVENUM_IEnumMoniker_Release(IEnumMoniker *iface)
 790 {
 791     EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
 792     ULONG ref = InterlockedDecrement(&This->ref);
 793
 794     TRACE("(%p) ref=%d\n", This, ref);
 795
 796     if (!ref)
 797     {
 798         RegCloseKey(This->sw_key);
 799         RegCloseKey(This->cm_key);
 800         CoTaskMemFree(This);
 801         DEVENUM_UnlockModule();
 802         return 0;
 803     }
 804     return ref;
 805 }
 806
 807 static HRESULT WINAPI DEVENUM_IEnumMoniker_Next(IEnumMoniker *iface, ULONG celt, IMoniker **rgelt,
 808         ULONG *pceltFetched)
 809 {
 810     EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
 811     WCHAR buffer[MAX_PATH + 1];
 812     LONG res;
 813     ULONG fetched = 0;
 814     MediaCatMoniker * pMoniker;
 815     HKEY hkey;
 816
 817     TRACE("(%p)->(%d, %p, %p)\n", iface, celt, rgelt, pceltFetched);
 818
 819     while (fetched < celt)
 820     {
 821         /* FIXME: try PNP devices and DMOs first */
 822
 823         /* try DirectShow filters */
 824         if (!(res = RegEnumKeyW(This->sw_key, This->sw_index, buffer, sizeof(buffer)/sizeof(WCHAR))))
 825         {
 826             This->sw_index++;
 827             if ((res = RegOpenKeyExW(This->sw_key, buffer, 0, KEY_QUERY_VALUE, &hkey)))
 828                 break;
 829
 830             if (!(pMoniker = DEVENUM_IMediaCatMoniker_Construct()))
 831                 return E_OUTOFMEMORY;
 832
 833             pMoniker->type = DEVICE_FILTER;
 834         }
 835         /* then try codecs */
 836         else if (!(res = RegEnumKeyW(This->cm_key, This->cm_index, buffer, sizeof(buffer)/sizeof(WCHAR))))
 837         {
 838             This->cm_index++;
 839
 840             if ((res = RegOpenKeyExW(This->cm_key, buffer, 0, KEY_QUERY_VALUE, &hkey)))
 841                 break;
 842
 843             if (!(pMoniker = DEVENUM_IMediaCatMoniker_Construct()))
 844                 return E_OUTOFMEMORY;
 845
 846             pMoniker->type = DEVICE_CODEC;
 847         }
 848         else
 849             break;
 850
 851         if (!(pMoniker->name = CoTaskMemAlloc((strlenW(buffer) + 1) * sizeof(WCHAR))))
 852         {
 853             IMoniker_Release(&pMoniker->IMoniker_iface);
 854             return E_OUTOFMEMORY;
 855         }
 856         strcpyW(pMoniker->name, buffer);
 857         pMoniker->has_class = TRUE;
 858         pMoniker->class = This->class;
 859
 860         rgelt[fetched] = &pMoniker->IMoniker_iface;
 861         fetched++;
 862     }
 863
 864     TRACE("-- fetched %d\n", fetched);
 865
 866     if (pceltFetched)
 867         *pceltFetched = fetched;
 868
 869     if (fetched != celt)
 870         return S_FALSE;
 871     else
 872         return S_OK;
 873 }
 874
 875 static HRESULT WINAPI DEVENUM_IEnumMoniker_Skip(IEnumMoniker *iface, ULONG celt)
 876 {
 877     EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
 878
 879     TRACE("(%p)->(%d)\n", iface, celt);
 880
 881     while (celt--)
 882     {
 883         /* FIXME: try PNP devices and DMOs first */
 884
 885         /* try DirectShow filters */
 886         if (RegEnumKeyW(This->sw_key, This->sw_index, NULL, 0) != ERROR_NO_MORE_ITEMS)
 887         {
 888             This->sw_index++;
 889         }
 890         /* then try codecs */
 891         else if (RegEnumKeyW(This->cm_key, This->cm_index, NULL, 0) != ERROR_NO_MORE_ITEMS)
 892         {
 893             This->cm_index++;
 894         }
 895         else
 896             return S_FALSE;
 897     }
 898
 899     return S_OK;
 900 }
 901
 902 static HRESULT WINAPI DEVENUM_IEnumMoniker_Reset(IEnumMoniker *iface)
 903 {
 904     EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
 905
 906     TRACE("(%p)->()\n", iface);
 907
 908     This->sw_index = 0;
 909     This->cm_index = 0;
 910
 911     return S_OK;
 912 }
 913
 914 static HRESULT WINAPI DEVENUM_IEnumMoniker_Clone(IEnumMoniker *iface, IEnumMoniker **ppenum)
 915 {
 916     FIXME("(%p)->(%p): stub\n", iface, ppenum);
 917
 918     return E_NOTIMPL;
 919 }
 920
 921 /**********************************************************************
 922  * IEnumMoniker_Vtbl
 923  */
 924 static const IEnumMonikerVtbl IEnumMoniker_Vtbl =
 925 {
 926     DEVENUM_IEnumMoniker_QueryInterface,
 927     DEVENUM_IEnumMoniker_AddRef,
 928     DEVENUM_IEnumMoniker_Release,
 929     DEVENUM_IEnumMoniker_Next,
 930     DEVENUM_IEnumMoniker_Skip,
 931     DEVENUM_IEnumMoniker_Reset,
 932     DEVENUM_IEnumMoniker_Clone
 933 };
 934
 935 HRESULT create_EnumMoniker(REFCLSID class, IEnumMoniker **ppEnumMoniker)
 936 {
 937     EnumMonikerImpl * pEnumMoniker = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
 938     WCHAR buffer[78];
 939
 940     if (!pEnumMoniker)
 941         return E_OUTOFMEMORY;
 942
 943     pEnumMoniker->IEnumMoniker_iface.lpVtbl = &IEnumMoniker_Vtbl;
 944     pEnumMoniker->ref = 1;
 945     pEnumMoniker->sw_index = 0;
 946     pEnumMoniker->cm_index = 0;
 947     pEnumMoniker->class = *class;
 948
 949     strcpyW(buffer, clsidW);
 950     StringFromGUID2(class, buffer + strlenW(buffer), CHARS_IN_GUID);
 951     strcatW(buffer, instanceW);
 952     if (RegOpenKeyExW(HKEY_CLASSES_ROOT, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &pEnumMoniker->sw_key))
 953         pEnumMoniker->sw_key = NULL;
 954
 955     strcpyW(buffer, wszActiveMovieKey);
 956     StringFromGUID2(class, buffer + strlenW(buffer), CHARS_IN_GUID);
 957     if (RegOpenKeyExW(HKEY_CURRENT_USER, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &pEnumMoniker->cm_key))
 958         pEnumMoniker->cm_key = NULL;
 959
 960     *ppEnumMoniker = &pEnumMoniker->IEnumMoniker_iface;
 961
 962     DEVENUM_LockModule();
 963
 964     return S_OK;
 965 }