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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "vfwmsgs.h"
  27 #include "oleauto.h"
  28
  29 #include "wine/debug.h"
  30
  31
  32 /* #define ICOM_THIS_From_IROTData(class, name) class* This = (class*)(((char*)name)-sizeof(void*)) */
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(devenum);
  35
  36 static ULONG WINAPI DEVENUM_IEnumMoniker_AddRef(LPENUMMONIKER iface);
  37 static ULONG WINAPI DEVENUM_IMediaCatMoniker_AddRef(LPMONIKER iface);
  38 static ULONG WINAPI DEVENUM_IPropertyBag_AddRef(LPPROPERTYBAG iface);
  39
  40 typedef struct
  41 {
  42     IPropertyBagVtbl *lpVtbl;
  43     DWORD ref;
  44     HKEY hkey;
  45 } RegPropBagImpl;
  46
  47
  48 static HRESULT WINAPI DEVENUM_IPropertyBag_QueryInterface(
  49     LPPROPERTYBAG iface,
  50     REFIID riid,
  51     LPVOID *ppvObj)
  52 {
  53     RegPropBagImpl *This = (RegPropBagImpl *)iface;
  54     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
  55
  56     if (This == NULL || ppvObj == NULL) return E_POINTER;
  57
  58     if (IsEqualGUID(riid, &IID_IUnknown) ||
  59         IsEqualGUID(riid, &IID_IPropertyBag))
  60     {
  61         *ppvObj = (LPVOID)iface;
  62         DEVENUM_IPropertyBag_AddRef(iface);
  63         return S_OK;
  64     }
  65
  66     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
  67     return E_NOINTERFACE;
  68 }
  69
  70 /**********************************************************************
  71  * DEVENUM_IPropertyBag_AddRef (also IUnknown)
  72  */
  73 static ULONG WINAPI DEVENUM_IPropertyBag_AddRef(LPPROPERTYBAG iface)
  74 {
  75     RegPropBagImpl *This = (RegPropBagImpl *)iface;
  76     TRACE("\n");
  77
  78     return InterlockedIncrement(&This->ref);
  79 }
  80
  81 /**********************************************************************
  82  * DEVENUM_IPropertyBag_Release (also IUnknown)
  83  */
  84 static ULONG WINAPI DEVENUM_IPropertyBag_Release(LPPROPERTYBAG iface)
  85 {
  86     RegPropBagImpl *This = (RegPropBagImpl *)iface;
  87     ULONG ref;
  88
  89     TRACE("\n");
  90
  91     ref = InterlockedDecrement(&This->ref);
  92     if (ref == 0) {
  93         RegCloseKey(This->hkey);
  94         CoTaskMemFree(This);
  95         DEVENUM_UnlockModule();
  96     }
  97     return ref;
  98 }
  99
 100 static HRESULT WINAPI DEVENUM_IPropertyBag_Read(
 101     LPPROPERTYBAG iface,
 102     LPCOLESTR pszPropName,
 103     VARIANT* pVar,
 104     IErrorLog* pErrorLog)
 105 {
 106     LPVOID pData = NULL;
 107     LONG received;
 108     DWORD type = 0;
 109     RegPropBagImpl *This = (RegPropBagImpl *)iface;
 110     HRESULT res = S_OK;
 111     LONG reswin32;
 112
 113     TRACE("(%p)->(%s, %p, %p)\n", This, debugstr_w(pszPropName), pVar, pErrorLog);
 114
 115     if (!pszPropName || !pVar)
 116         return E_POINTER;
 117
 118     reswin32 = RegQueryValueExW(This->hkey, pszPropName, NULL, NULL, NULL, &received);
 119     res = HRESULT_FROM_WIN32(reswin32);
 120
 121     if (SUCCEEDED(res))
 122     {
 123         pData = HeapAlloc(GetProcessHeap(), 0, received);
 124
 125         /* work around a GCC bug that occurs here unless we use the reswin32 variable as well */
 126         reswin32 = RegQueryValueExW(This->hkey, pszPropName, NULL, &type, pData, &received);
 127         res = HRESULT_FROM_WIN32(reswin32);
 128     }
 129
 130     if (SUCCEEDED(res))
 131     {
 132         res = E_INVALIDARG; /* assume we cannot coerce into right type */
 133
 134         TRACE("Read %ld bytes (%s)\n", received, type == REG_SZ ? debugstr_w((LPWSTR)pData) : "binary data");
 135
 136         switch (type)
 137         {
 138         case REG_SZ:
 139             switch (V_VT(pVar))
 140             {
 141             case VT_LPWSTR:
 142                 V_UNION(pVar, bstrVal) = CoTaskMemAlloc(received);
 143                 memcpy(V_UNION(pVar, bstrVal), (LPWSTR)pData, received);
 144                 res = S_OK;
 145                 break;
 146             case VT_EMPTY:
 147                 V_VT(pVar) = VT_BSTR;
 148             /* fall through */
 149             case VT_BSTR:
 150                 V_UNION(pVar, bstrVal) = SysAllocStringLen((LPWSTR)pData, received/sizeof(WCHAR) - 1);
 151                 res = S_OK;
 152                 break;
 153             }
 154             break;
 155         case REG_DWORD:
 156             TRACE("REG_DWORD: %lx\n", *(DWORD *)pData);
 157             switch (V_VT(pVar))
 158             {
 159             case VT_EMPTY:
 160                 V_VT(pVar) = VT_I4;
 161                 /* fall through */
 162             case VT_I4:
 163             case VT_UI4:
 164                 V_UNION(pVar, ulVal) = *(DWORD *)pData;
 165                 res = S_OK;
 166                 break;
 167             }
 168             break;
 169         case REG_BINARY:
 170             {
 171                 SAFEARRAYBOUND bound;
 172                 void * pArrayElements;
 173                 bound.lLbound = 0;
 174                 bound.cElements = received;
 175                 TRACE("REG_BINARY: len = %ld\n", received);
 176                 switch (V_VT(pVar))
 177                 {
 178                 case VT_EMPTY:
 179                 case VT_ARRAY | VT_UI1:
 180                     if (!(V_UNION(pVar, parray) = SafeArrayCreate(VT_UI1, 1, &bound)))
 181                         res = E_OUTOFMEMORY;
 182                     res = S_OK;
 183                     break;
 184                 }
 185
 186                 if (res == E_INVALIDARG)
 187                     break;
 188
 189                 res = SafeArrayAccessData(V_UNION(pVar, parray), &pArrayElements);
 190                 if (FAILED(res))
 191                     break;
 192
 193                 CopyMemory(pArrayElements, pData, received);
 194                 res = SafeArrayUnaccessData(V_UNION(pVar, parray));
 195                 break;
 196             }
 197         }
 198         if (res == E_INVALIDARG)
 199             FIXME("Variant type %x not supported for regtype %lx\n", V_VT(pVar), type);
 200     }
 201
 202     HeapFree(GetProcessHeap(), 0, pData);
 203
 204     TRACE("<- %lx\n", res);
 205     return res;
 206 }
 207
 208 static HRESULT WINAPI DEVENUM_IPropertyBag_Write(
 209     LPPROPERTYBAG iface,
 210     LPCOLESTR pszPropName,
 211     VARIANT* pVar)
 212 {
 213     RegPropBagImpl *This = (RegPropBagImpl *)iface;
 214     LPVOID lpData = NULL;
 215     DWORD cbData = 0;
 216     DWORD dwType = 0;
 217     HRESULT res = S_OK;
 218
 219     TRACE("(%p)->(%s, %p)\n", This, debugstr_w(pszPropName), pVar);
 220
 221     switch (V_VT(pVar))
 222     {
 223     case VT_BSTR:
 224         TRACE("writing %s\n", debugstr_w(V_UNION(pVar, bstrVal)));
 225         lpData = (LPVOID)V_UNION(pVar, bstrVal);
 226         dwType = REG_SZ;
 227         cbData = (lstrlenW(V_UNION(pVar, bstrVal)) + 1) * sizeof(WCHAR);
 228         break;
 229     case VT_I4:
 230     case VT_UI4:
 231         TRACE("writing %lu\n", V_UNION(pVar, ulVal));
 232         lpData = (LPVOID)&V_UNION(pVar, ulVal);
 233         dwType = REG_DWORD;
 234         cbData = sizeof(DWORD);
 235         break;
 236     case VT_ARRAY | VT_UI1:
 237     {
 238         LONG lUbound = 0;
 239         LONG lLbound = 0;
 240         dwType = REG_BINARY;
 241         res = SafeArrayGetLBound(V_UNION(pVar, parray), 1, &lLbound);
 242         res = SafeArrayGetUBound(V_UNION(pVar, parray), 1, &lUbound);
 243         cbData = (lUbound - lLbound + 1) /* * sizeof(BYTE)*/;
 244         TRACE("cbData: %ld\n", cbData);
 245         res = SafeArrayAccessData(V_UNION(pVar, parray), &lpData);
 246         break;
 247     }
 248     default:
 249         FIXME("Variant type %d not handled\n", V_VT(pVar));
 250         return E_FAIL;
 251     }
 252
 253     if (RegSetValueExW(This->hkey,
 254                        pszPropName, 0,
 255                        dwType, lpData, cbData) != ERROR_SUCCESS)
 256         res = E_FAIL;
 257
 258     if (V_VT(pVar) & VT_ARRAY)
 259         res = SafeArrayUnaccessData(V_UNION(pVar, parray));
 260
 261     return res;
 262 }
 263
 264 static IPropertyBagVtbl IPropertyBag_Vtbl =
 265 {
 266     DEVENUM_IPropertyBag_QueryInterface,
 267     DEVENUM_IPropertyBag_AddRef,
 268     DEVENUM_IPropertyBag_Release,
 269     DEVENUM_IPropertyBag_Read,
 270     DEVENUM_IPropertyBag_Write
 271 };
 272
 273 static HRESULT DEVENUM_IPropertyBag_Construct(HANDLE hkey, IPropertyBag **ppBag)
 274 {
 275     RegPropBagImpl * rpb = CoTaskMemAlloc(sizeof(RegPropBagImpl));
 276     if (!rpb)
 277         return E_OUTOFMEMORY;
 278     rpb->lpVtbl = &IPropertyBag_Vtbl;
 279     rpb->ref = 1;
 280     rpb->hkey = hkey;
 281     *ppBag = (IPropertyBag*)rpb;
 282     DEVENUM_LockModule();
 283     return S_OK;
 284 }
 285
 286
 287 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_QueryInterface(
 288     LPMONIKER iface,
 289     REFIID riid,
 290     LPVOID *ppvObj)
 291 {
 292     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 293     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
 294
 295     if (This == NULL || ppvObj == NULL) return E_POINTER;
 296
 297     *ppvObj = NULL;
 298
 299     if (IsEqualGUID(riid, &IID_IUnknown) ||
 300         IsEqualGUID(riid, &IID_IPersist) ||
 301         IsEqualGUID(riid, &IID_IPersistStream) ||
 302         IsEqualGUID(riid, &IID_IMoniker))
 303     {
 304         *ppvObj = (LPVOID)iface;
 305         DEVENUM_IMediaCatMoniker_AddRef(iface);
 306         return S_OK;
 307     }
 308
 309     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 310     return E_NOINTERFACE;
 311 }
 312
 313 /**********************************************************************
 314  * DEVENUM_IMediaCatMoniker_AddRef (also IUnknown)
 315  */
 316 static ULONG WINAPI DEVENUM_IMediaCatMoniker_AddRef(LPMONIKER iface)
 317 {
 318     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 319     TRACE("\n");
 320
 321     return InterlockedIncrement(&This->ref);
 322 }
 323
 324 /**********************************************************************
 325  * DEVENUM_IMediaCatMoniker_Release (also IUnknown)
 326  */
 327 static ULONG WINAPI DEVENUM_IMediaCatMoniker_Release(LPMONIKER iface)
 328 {
 329     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 330     ULONG ref;
 331     TRACE("\n");
 332
 333     ref = InterlockedDecrement(&This->ref);
 334     if (ref == 0) {
 335         RegCloseKey(This->hkey);
 336         CoTaskMemFree(This);
 337         DEVENUM_UnlockModule();
 338     }
 339     return ref;
 340 }
 341
 342 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetClassID(
 343     LPMONIKER iface,
 344     CLSID* pClassID)
 345 {
 346     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 347     FIXME("(%p)->(%p)\n", This, pClassID);
 348
 349     if (pClassID == NULL)
 350         return E_POINTER;
 351
 352     return E_NOTIMPL;
 353 }
 354
 355 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsDirty(LPMONIKER iface)
 356 {
 357     FIXME("()\n");
 358
 359     return S_FALSE;
 360 }
 361
 362 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Load(LPMONIKER iface, IStream* pStm)
 363 {
 364     FIXME("(%p)\n", pStm);
 365
 366     return E_NOTIMPL;
 367 }
 368
 369 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Save(LPMONIKER iface, IStream* pStm, BOOL fClearDirty)
 370 {
 371     FIXME("(%p, %s)\n", pStm, fClearDirty ? "true" : "false");
 372
 373     return STG_E_CANTSAVE;
 374 }
 375
 376 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetSizeMax(
 377     LPMONIKER iface,
 378     ULARGE_INTEGER* pcbSize)
 379 {
 380     FIXME("(%p)\n", pcbSize);
 381
 382     ZeroMemory(pcbSize, sizeof(*pcbSize));
 383
 384     return S_OK;
 385 }
 386
 387 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToObject(
 388     LPMONIKER iface,
 389     IBindCtx* pbc,
 390     IMoniker* pmkToLeft,
 391     REFIID riidResult,
 392     void** ppvResult)
 393 {
 394     IUnknown * pObj = NULL;
 395     IPropertyBag * pProp = NULL;
 396     CLSID clsID;
 397     VARIANT var;
 398     HRESULT res = E_FAIL;
 399
 400     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 401
 402     VariantClear(&var);
 403
 404     TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riidResult), ppvResult);
 405
 406     *ppvResult = NULL;
 407
 408     if(pmkToLeft==NULL)
 409     {
 410             /* first activation of this class */
 411             LPVOID pvptr;
 412             res=IMoniker_BindToStorage(iface, NULL, NULL, &IID_IPropertyBag, &pvptr);
 413             pProp = (IPropertyBag*)pvptr;
 414             if (SUCCEEDED(res))
 415             {
 416                 V_VT(&var) = VT_LPWSTR;
 417                 res = IPropertyBag_Read(pProp, clsid_keyname, &var, NULL);
 418             }
 419             if (SUCCEEDED(res))
 420             {
 421                 res = CLSIDFromString(V_UNION(&var,bstrVal), &clsID);
 422                 CoTaskMemFree(V_UNION(&var, bstrVal));
 423             }
 424             if (SUCCEEDED(res))
 425             {
 426                 res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IUnknown,&pvptr);
 427                 pObj = (IUnknown*)pvptr;
 428             }
 429     }
 430
 431     if (pObj!=NULL)
 432     {
 433         /* get the requested interface from the loaded class */
 434         res= IUnknown_QueryInterface(pObj,riidResult,ppvResult);
 435     }
 436
 437     if (pProp)
 438     {
 439         IPropertyBag_Release(pProp);
 440     }
 441
 442     TRACE("<- 0x%lx\n", res);
 443
 444     return res;
 445 }
 446
 447 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToStorage(
 448     LPMONIKER iface,
 449     IBindCtx* pbc,
 450     IMoniker* pmkToLeft,
 451     REFIID riid,
 452     void** ppvObj)
 453 {
 454     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 455     TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riid), ppvObj);
 456
 457     *ppvObj = NULL;
 458
 459     if (pbc || pmkToLeft)
 460         return MK_E_NOSTORAGE;
 461
 462     if (IsEqualGUID(riid, &IID_IPropertyBag))
 463     {
 464         HANDLE hkey;
 465         DuplicateHandle(GetCurrentProcess(), This->hkey, GetCurrentProcess(), &hkey, 0, 0, DUPLICATE_SAME_ACCESS);
 466         return DEVENUM_IPropertyBag_Construct(hkey, (IPropertyBag**)ppvObj);
 467     }
 468
 469     return MK_E_NOSTORAGE;
 470 }
 471
 472 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Reduce(
 473     LPMONIKER iface,
 474     IBindCtx* pbc,
 475     DWORD dwReduceHowFar,
 476     IMoniker** ppmkToLeft,
 477     IMoniker** ppmkReduced)
 478 {
 479     TRACE("(%p, %ld, %p, %p)\n", pbc, dwReduceHowFar, ppmkToLeft, ppmkReduced);
 480
 481     if (ppmkToLeft)
 482         *ppmkToLeft = NULL;
 483     *ppmkReduced = iface;
 484
 485     return MK_S_REDUCED_TO_SELF;
 486 }
 487
 488 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ComposeWith(
 489     LPMONIKER iface,
 490     IMoniker* pmkRight,
 491     BOOL fOnlyIfNotGeneric,
 492     IMoniker** ppmkComposite)
 493 {
 494     FIXME("(%p, %s, %p): stub\n", pmkRight, fOnlyIfNotGeneric ? "true" : "false", ppmkComposite);
 495
 496     /* FIXME: use CreateGenericComposite? */
 497     *ppmkComposite = NULL;
 498
 499     return E_NOTIMPL;
 500 }
 501
 502 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Enum(
 503     LPMONIKER iface,
 504     BOOL fForward,
 505     IEnumMoniker** ppenumMoniker)
 506 {
 507     FIXME("(%s, %p): stub\n", fForward ? "true" : "false", ppenumMoniker);
 508
 509     *ppenumMoniker = NULL;
 510
 511     return S_OK;
 512 }
 513
 514 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsEqual(
 515     LPMONIKER iface,
 516     IMoniker* pmkOtherMoniker)
 517 {
 518     FIXME("(%p)\n", pmkOtherMoniker);
 519
 520     return E_NOTIMPL;
 521 }
 522
 523 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Hash(
 524     LPMONIKER iface,
 525     DWORD* pdwHash)
 526 {
 527     TRACE("(%p)\n", pdwHash);
 528
 529     *pdwHash = 0;
 530
 531     return S_OK;
 532 }
 533
 534 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsRunning(
 535     LPMONIKER iface,
 536     IBindCtx* pbc,
 537     IMoniker* pmkToLeft,
 538     IMoniker* pmkNewlyRunning)
 539 {
 540     FIXME("(%p, %p, %p)\n", pbc, pmkToLeft, pmkNewlyRunning);
 541
 542     return S_FALSE;
 543 }
 544
 545 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetTimeOfLastChange(
 546     LPMONIKER iface,
 547     IBindCtx* pbc,
 548     IMoniker* pmkToLeft,
 549     FILETIME* pFileTime)
 550 {
 551     TRACE("(%p, %p, %p)\n", pbc, pmkToLeft, pFileTime);
 552
 553     pFileTime->dwLowDateTime = 0xFFFFFFFF;
 554     pFileTime->dwHighDateTime = 0x7FFFFFFF;
 555
 556     return MK_E_UNAVAILABLE;
 557 }
 558
 559 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Inverse(
 560     LPMONIKER iface,
 561     IMoniker** ppmk)
 562 {
 563     TRACE("(%p)\n", ppmk);
 564
 565     *ppmk = NULL;
 566
 567     return MK_E_NOINVERSE;
 568 }
 569
 570 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_CommonPrefixWith(
 571     LPMONIKER iface,
 572     IMoniker* pmkOtherMoniker,
 573     IMoniker** ppmkPrefix)
 574 {
 575     TRACE("(%p, %p)\n", pmkOtherMoniker, ppmkPrefix);
 576
 577     *ppmkPrefix = NULL;
 578
 579     return MK_E_NOPREFIX;
 580 }
 581
 582 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_RelativePathTo(
 583     LPMONIKER iface,
 584     IMoniker* pmkOther,
 585     IMoniker** ppmkRelPath)
 586 {
 587     TRACE("(%p, %p)\n", pmkOther, ppmkRelPath);
 588
 589     *ppmkRelPath = pmkOther;
 590
 591     return MK_S_HIM;
 592 }
 593
 594 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetDisplayName(
 595     LPMONIKER iface,
 596     IBindCtx* pbc,
 597     IMoniker* pmkToLeft,
 598     LPOLESTR* ppszDisplayName)
 599 {
 600     MediaCatMoniker *This = (MediaCatMoniker *)iface;
 601     WCHAR wszBuffer[MAX_PATH];
 602     static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
 603     LONG received = sizeof(wszFriendlyName);
 604
 605     TRACE("(%p, %p, %p)\n", pbc, pmkToLeft, ppszDisplayName);
 606
 607     *ppszDisplayName = NULL;
 608
 609     /* FIXME: should this be the weird stuff we have to parse in IParseDisplayName? */
 610     if (RegQueryValueW(This->hkey, wszFriendlyName, wszBuffer, &received) == ERROR_SUCCESS)
 611     {
 612         *ppszDisplayName = CoTaskMemAlloc(received);
 613         strcpyW(*ppszDisplayName, wszBuffer);
 614         return S_OK;
 615     }
 616
 617     return E_FAIL;
 618 }
 619
 620 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ParseDisplayName(
 621     LPMONIKER iface,
 622     IBindCtx* pbc,
 623     IMoniker* pmkToLeft,
 624     LPOLESTR pszDisplayName,
 625     ULONG* pchEaten,
 626     IMoniker** ppmkOut)
 627 {
 628     FIXME("(%p, %p, %s, %p, %p)\n", pbc, pmkToLeft, debugstr_w(pszDisplayName), pchEaten, ppmkOut);
 629
 630     *pchEaten = 0;
 631     *ppmkOut = NULL;
 632
 633     return MK_E_SYNTAX;
 634 }
 635
 636 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsSystemMoniker(
 637     LPMONIKER iface,
 638     DWORD* pdwMksys)
 639 {
 640     TRACE("(%p)\n", pdwMksys);
 641
 642     return S_FALSE;
 643 }
 644
 645 static IMonikerVtbl IMoniker_Vtbl =
 646 {
 647     DEVENUM_IMediaCatMoniker_QueryInterface,
 648     DEVENUM_IMediaCatMoniker_AddRef,
 649     DEVENUM_IMediaCatMoniker_Release,
 650     DEVENUM_IMediaCatMoniker_GetClassID,
 651     DEVENUM_IMediaCatMoniker_IsDirty,
 652     DEVENUM_IMediaCatMoniker_Load,
 653     DEVENUM_IMediaCatMoniker_Save,
 654     DEVENUM_IMediaCatMoniker_GetSizeMax,
 655     DEVENUM_IMediaCatMoniker_BindToObject,
 656     DEVENUM_IMediaCatMoniker_BindToStorage,
 657     DEVENUM_IMediaCatMoniker_Reduce,
 658     DEVENUM_IMediaCatMoniker_ComposeWith,
 659     DEVENUM_IMediaCatMoniker_Enum,
 660     DEVENUM_IMediaCatMoniker_IsEqual,
 661     DEVENUM_IMediaCatMoniker_Hash,
 662     DEVENUM_IMediaCatMoniker_IsRunning,
 663     DEVENUM_IMediaCatMoniker_GetTimeOfLastChange,
 664     DEVENUM_IMediaCatMoniker_Inverse,
 665     DEVENUM_IMediaCatMoniker_CommonPrefixWith,
 666     DEVENUM_IMediaCatMoniker_RelativePathTo,
 667     DEVENUM_IMediaCatMoniker_GetDisplayName,
 668     DEVENUM_IMediaCatMoniker_ParseDisplayName,
 669     DEVENUM_IMediaCatMoniker_IsSystemMoniker
 670 };
 671
 672 MediaCatMoniker * DEVENUM_IMediaCatMoniker_Construct()
 673 {
 674     MediaCatMoniker * pMoniker = NULL;
 675     pMoniker = CoTaskMemAlloc(sizeof(MediaCatMoniker));
 676     if (!pMoniker)
 677         return NULL;
 678
 679     pMoniker->lpVtbl = &IMoniker_Vtbl;
 680     pMoniker->ref = 0;
 681     pMoniker->hkey = NULL;
 682
 683     DEVENUM_IMediaCatMoniker_AddRef((LPMONIKER)pMoniker);
 684
 685     DEVENUM_LockModule();
 686
 687     return pMoniker;
 688 }
 689
 690 /**********************************************************************
 691  * DEVENUM_IEnumMoniker_QueryInterface (also IUnknown)
 692  */
 693 static HRESULT WINAPI DEVENUM_IEnumMoniker_QueryInterface(
 694     LPENUMMONIKER iface,
 695     REFIID riid,
 696     LPVOID *ppvObj)
 697 {
 698     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
 699     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
 700
 701     if (This == NULL || ppvObj == NULL) return E_POINTER;
 702
 703     if (IsEqualGUID(riid, &IID_IUnknown) ||
 704         IsEqualGUID(riid, &IID_IEnumMoniker))
 705     {
 706         *ppvObj = (LPVOID)iface;
 707         DEVENUM_IEnumMoniker_AddRef(iface);
 708         return S_OK;
 709     }
 710
 711     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 712     return E_NOINTERFACE;
 713 }
 714
 715 /**********************************************************************
 716  * DEVENUM_IEnumMoniker_AddRef (also IUnknown)
 717  */
 718 static ULONG WINAPI DEVENUM_IEnumMoniker_AddRef(LPENUMMONIKER iface)
 719 {
 720     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
 721     ULONG ref = InterlockedIncrement(&This->ref);
 722
 723     TRACE("(%p)->() AddRef from %ld\n", iface, ref - 1);
 724
 725     return ref;
 726 }
 727
 728 /**********************************************************************
 729  * DEVENUM_IEnumMoniker_Release (also IUnknown)
 730  */
 731 static ULONG WINAPI DEVENUM_IEnumMoniker_Release(LPENUMMONIKER iface)
 732 {
 733     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
 734     ULONG ref = InterlockedDecrement(&This->ref);
 735
 736     TRACE("(%p)->() Release from %ld\n", iface, ref + 1);
 737
 738     if (!ref)
 739     {
 740         RegCloseKey(This->hkey);
 741         CoTaskMemFree(This);
 742         DEVENUM_UnlockModule();
 743         return 0;
 744     }
 745     return ref;
 746 }
 747
 748 static HRESULT WINAPI DEVENUM_IEnumMoniker_Next(LPENUMMONIKER iface, ULONG celt, IMoniker ** rgelt, ULONG * pceltFetched)
 749 {
 750     WCHAR buffer[MAX_PATH + 1];
 751     LONG res;
 752     ULONG fetched = 0;
 753     MediaCatMoniker * pMoniker;
 754     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
 755
 756     TRACE("(%p)->(%ld, %p, %p)\n", iface, celt, rgelt, pceltFetched);
 757
 758     while (fetched < celt)
 759     {
 760         res = RegEnumKeyW(This->hkey, This->index, buffer, sizeof(buffer) / sizeof(WCHAR));
 761         if (res != ERROR_SUCCESS)
 762         {
 763             break;
 764         }
 765         pMoniker = DEVENUM_IMediaCatMoniker_Construct();
 766         if (!pMoniker)
 767             return E_OUTOFMEMORY;
 768
 769         if (RegOpenKeyW(This->hkey, buffer, &pMoniker->hkey) != ERROR_SUCCESS)
 770         {
 771             DEVENUM_IMediaCatMoniker_Release((LPMONIKER)pMoniker);
 772             break;
 773         }
 774         rgelt[fetched] = (LPMONIKER)pMoniker;
 775         fetched++;
 776     }
 777
 778     This->index += fetched;
 779
 780     TRACE("-- fetched %ld\n", fetched);
 781
 782     if (pceltFetched)
 783         *pceltFetched = fetched;
 784
 785     if (fetched != celt)
 786         return S_FALSE;
 787     else
 788         return S_OK;
 789 }
 790
 791 static HRESULT WINAPI DEVENUM_IEnumMoniker_Skip(LPENUMMONIKER iface, ULONG celt)
 792 {
 793     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
 794
 795     TRACE("(%p)->(%ld)\n", iface, celt);
 796
 797     This->index += celt;
 798
 799     return S_OK;
 800 }
 801
 802 static HRESULT WINAPI DEVENUM_IEnumMoniker_Reset(LPENUMMONIKER iface)
 803 {
 804     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
 805
 806     TRACE("(%p)->()\n", iface);
 807
 808     This->index = 0;
 809
 810     return S_OK;
 811 }
 812
 813 static HRESULT WINAPI DEVENUM_IEnumMoniker_Clone(LPENUMMONIKER iface, IEnumMoniker ** ppenum)
 814 {
 815     FIXME("(%p)->(%p): stub\n", iface, ppenum);
 816
 817     return E_NOTIMPL;
 818 }
 819
 820 /**********************************************************************
 821  * IEnumMoniker_Vtbl
 822  */
 823 static IEnumMonikerVtbl IEnumMoniker_Vtbl =
 824 {
 825     DEVENUM_IEnumMoniker_QueryInterface,
 826     DEVENUM_IEnumMoniker_AddRef,
 827     DEVENUM_IEnumMoniker_Release,
 828     DEVENUM_IEnumMoniker_Next,
 829     DEVENUM_IEnumMoniker_Skip,
 830     DEVENUM_IEnumMoniker_Reset,
 831     DEVENUM_IEnumMoniker_Clone
 832 };
 833
 834 HRESULT DEVENUM_IEnumMoniker_Construct(HKEY hkey, IEnumMoniker ** ppEnumMoniker)
 835 {
 836     EnumMonikerImpl * pEnumMoniker = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
 837     if (!pEnumMoniker)
 838         return E_OUTOFMEMORY;
 839
 840     pEnumMoniker->lpVtbl = &IEnumMoniker_Vtbl;
 841     pEnumMoniker->ref = 1;
 842     pEnumMoniker->index = 0;
 843     pEnumMoniker->hkey = hkey;
 844
 845     *ppEnumMoniker = (IEnumMoniker *)pEnumMoniker;
 846
 847     DEVENUM_LockModule();
 848
 849     return S_OK;
 850 }