dlls/shell32/shellole.c

   1 /*
   2  *      handling of SHELL32.DLL OLE-Objects
   3  *
   4  *      Copyright 1997  Marcus Meissner
   5  *      Copyright 1998  Juergen Schmied  <juergen.schmied@metronet.de>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #define COBJMACROS
  27 #define NONAMELESSUNION
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "shellapi.h"
  32 #include "wingdi.h"
  33 #include "winuser.h"
  34 #include "shlobj.h"
  35 #include "shlguid.h"
  36 #include "shldisp.h"
  37 #include "gdiplus.h"
  38 #include "shimgdata.h"
  39 #include "winreg.h"
  40 #include "winerror.h"
  41
  42 #include "shell32_main.h"
  43
  44 #include "wine/debug.h"
  45 #include "shlwapi.h"
  46 #include "debughlp.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  49
  50 extern INT WINAPI SHStringFromGUIDW(REFGUID guid, LPWSTR lpszDest, INT cchMax);  /* shlwapi.24 */
  51 static HRESULT WINAPI ShellImageDataFactory_Constructor(IUnknown *outer, REFIID riid, void **obj);
  52
  53 /**************************************************************************
  54  * Default ClassFactory types
  55  */
  56 typedef HRESULT (CALLBACK *LPFNCREATEINSTANCE)(IUnknown* pUnkOuter, REFIID riid, LPVOID* ppvObject);
  57 static IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst);
  58
  59 /* this table contains all CLSIDs of shell32 objects */
  60 static const struct {
  61         REFIID                  clsid;
  62         LPFNCREATEINSTANCE      lpfnCI;
  63 } InterfaceTable[] = {
  64
  65         {&CLSID_ApplicationAssociationRegistration, ApplicationAssociationRegistration_Constructor},
  66         {&CLSID_ApplicationDestinations, ApplicationDestinations_Constructor},
  67         {&CLSID_ApplicationDocumentLists, ApplicationDocumentLists_Constructor},
  68         {&CLSID_AutoComplete,   IAutoComplete_Constructor},
  69         {&CLSID_ControlPanel,   IControlPanel_Constructor},
  70         {&CLSID_DragDropHelper, IDropTargetHelper_Constructor},
  71         {&CLSID_FolderShortcut, FolderShortcut_Constructor},
  72         {&CLSID_MyComputer,     ISF_MyComputer_Constructor},
  73         {&CLSID_MyDocuments,    MyDocuments_Constructor},
  74         {&CLSID_NetworkPlaces,  ISF_NetworkPlaces_Constructor},
  75         {&CLSID_Printers,       Printers_Constructor},
  76         {&CLSID_QueryAssociations, QueryAssociations_Constructor},
  77         {&CLSID_RecycleBin,     RecycleBin_Constructor},
  78         {&CLSID_ShellDesktop,   ISF_Desktop_Constructor},
  79         {&CLSID_ShellFSFolder,  IFSFolder_Constructor},
  80         {&CLSID_ShellItem,      IShellItem_Constructor},
  81         {&CLSID_ShellLink,      IShellLink_Constructor},
  82         {&CLSID_UnixDosFolder,  UnixDosFolder_Constructor},
  83         {&CLSID_UnixFolder,     UnixFolder_Constructor},
  84         {&CLSID_ExplorerBrowser,ExplorerBrowser_Constructor},
  85         {&CLSID_KnownFolderManager, KnownFolderManager_Constructor},
  86         {&CLSID_Shell,          IShellDispatch_Constructor},
  87         {&CLSID_DestinationList, CustomDestinationList_Constructor},
  88         {&CLSID_ShellImageDataFactory, ShellImageDataFactory_Constructor},
  89         {&CLSID_FileOperation, IFileOperation_Constructor},
  90         {&CLSID_ActiveDesktop, ActiveDesktop_Constructor},
  91         {NULL, NULL}
  92 };
  93
  94 /*************************************************************************
  95  * SHCoCreateInstance [SHELL32.102]
  96  *
  97  * Equivalent to CoCreateInstance. Under Windows 9x this function could sometimes
  98  * use the shell32 built-in "mini-COM" without the need to load ole32.dll - see
  99  * SHLoadOLE for details.
 100  *
 101  * Under wine if a "LoadWithoutCOM" value is present or the object resides in
 102  * shell32.dll the function will load the object manually without the help of ole32
 103  *
 104  * NOTES
 105  *     exported by ordinal
 106  *
 107  * SEE ALSO
 108  *     CoCreateInstance, SHLoadOLE
 109  */
 110 HRESULT WINAPI SHCoCreateInstance(
 111         LPCWSTR aclsid,
 112         const CLSID *clsid,
 113         LPUNKNOWN pUnkOuter,
 114         REFIID refiid,
 115         LPVOID *ppv)
 116 {
 117         DWORD   hres;
 118         IID     iid;
 119         const   CLSID * myclsid = clsid;
 120         WCHAR   sKeyName[MAX_PATH];
 121         WCHAR   sClassID[60];
 122         WCHAR   sDllPath[MAX_PATH];
 123         HKEY    hKey = 0;
 124         DWORD   dwSize;
 125         IClassFactory * pcf = NULL;
 126
 127         if(!ppv) return E_POINTER;
 128         *ppv=NULL;
 129
 130         /* if the clsid is a string, convert it */
 131         if (!clsid)
 132         {
 133           if (!aclsid) return REGDB_E_CLASSNOTREG;
 134           SHCLSIDFromStringW(aclsid, &iid);
 135           myclsid = &iid;
 136         }
 137
 138         TRACE("(%p,%s,unk:%p,%s,%p)\n",
 139                 aclsid,shdebugstr_guid(myclsid),pUnkOuter,shdebugstr_guid(refiid),ppv);
 140
 141         if (SUCCEEDED(DllGetClassObject(myclsid, &IID_IClassFactory,(LPVOID*)&pcf)))
 142         {
 143             hres = IClassFactory_CreateInstance(pcf, pUnkOuter, refiid, ppv);
 144             IClassFactory_Release(pcf);
 145             goto end;
 146         }
 147
 148         /* we look up the dll path in the registry */
 149         SHStringFromGUIDW(myclsid, sClassID, ARRAY_SIZE(sClassID));
 150         swprintf( sKeyName, ARRAY_SIZE(sKeyName), L"CLSID\\%s\\InprocServer32", sClassID );
 151
 152         if (RegOpenKeyExW(HKEY_CLASSES_ROOT, sKeyName, 0, KEY_READ, &hKey))
 153             return E_ACCESSDENIED;
 154
 155         /* if a special registry key is set, we load a shell extension without help of OLE32 */
 156         if (!SHQueryValueExW(hKey, L"LoadWithoutCOM", 0, 0, 0, 0))
 157         {
 158             /* load an external dll without ole32 */
 159             HANDLE hLibrary;
 160             typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid, REFIID iid, LPVOID *ppv);
 161             DllGetClassObjectFunc DllGetClassObject;
 162
 163             dwSize = sizeof(sDllPath);
 164             SHQueryValueExW(hKey, NULL, 0,0, sDllPath, &dwSize );
 165
 166             if ((hLibrary = LoadLibraryExW(sDllPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH)) == 0) {
 167                 ERR("couldn't load InprocServer32 dll %s\n", debugstr_w(sDllPath));
 168                 hres = E_ACCESSDENIED;
 169                 goto end;
 170             } else if (!(DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject"))) {
 171                 ERR("couldn't find function DllGetClassObject in %s\n", debugstr_w(sDllPath));
 172                 FreeLibrary( hLibrary );
 173                 hres = E_ACCESSDENIED;
 174                 goto end;
 175             } else if (FAILED(hres = DllGetClassObject(myclsid, &IID_IClassFactory, (LPVOID*)&pcf))) {
 176                     TRACE("GetClassObject failed 0x%08lx\n", hres);
 177                     goto end;
 178             }
 179
 180             hres = IClassFactory_CreateInstance(pcf, pUnkOuter, refiid, ppv);
 181             IClassFactory_Release(pcf);
 182         } else {
 183
 184             /* load an external dll in the usual way */
 185             hres = CoCreateInstance(myclsid, pUnkOuter, CLSCTX_INPROC_SERVER, refiid, ppv);
 186         }
 187
 188 end:
 189         if (hKey) RegCloseKey(hKey);
 190         if(hres!=S_OK)
 191         {
 192           ERR("failed (0x%08lx) to create CLSID:%s IID:%s\n",
 193               hres, shdebugstr_guid(myclsid), shdebugstr_guid(refiid));
 194           ERR("class not found in registry\n");
 195         }
 196
 197         TRACE("-- instance: %p\n",*ppv);
 198         return hres;
 199 }
 200
 201 /*************************************************************************
 202  * DllGetClassObject     [SHELL32.@]
 203  * SHDllGetClassObject   [SHELL32.128]
 204  */
 205 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
 206 {
 207         IClassFactory * pcf = NULL;
 208         HRESULT hres;
 209         int i;
 210
 211         TRACE("CLSID:%s,IID:%s\n",shdebugstr_guid(rclsid),shdebugstr_guid(iid));
 212
 213         if (!ppv) return E_INVALIDARG;
 214         *ppv = NULL;
 215
 216         /* search our internal interface table */
 217         for(i=0;InterfaceTable[i].clsid;i++) {
 218             if(IsEqualIID(InterfaceTable[i].clsid, rclsid)) {
 219                 TRACE("index[%u]\n", i);
 220                 pcf = IDefClF_fnConstructor(InterfaceTable[i].lpfnCI, NULL, NULL);
 221                 break;
 222             }
 223         }
 224
 225         if (!pcf) {
 226             FIXME("failed for CLSID=%s\n", shdebugstr_guid(rclsid));
 227             return CLASS_E_CLASSNOTAVAILABLE;
 228         }
 229
 230         hres = IClassFactory_QueryInterface(pcf, iid, ppv);
 231         IClassFactory_Release(pcf);
 232
 233         TRACE("-- pointer to class factory: %p\n",*ppv);
 234         return hres;
 235 }
 236
 237 /*************************************************************************
 238  * SHCLSIDFromString                            [SHELL32.147]
 239  *
 240  * Under Windows 9x this was an ANSI version of CLSIDFromString. It also allowed
 241  * to avoid dependency on ole32.dll (see SHLoadOLE for details).
 242  *
 243  * Under Windows NT/2000/XP this is equivalent to CLSIDFromString
 244  *
 245  * NOTES
 246  *     exported by ordinal
 247  *
 248  * SEE ALSO
 249  *     CLSIDFromString, SHLoadOLE
 250  */
 251 DWORD WINAPI SHCLSIDFromStringA (LPCSTR clsid, CLSID *id)
 252 {
 253     WCHAR buffer[40];
 254     TRACE("(%p(%s) %p)\n", clsid, clsid, id);
 255     if (!MultiByteToWideChar( CP_ACP, 0, clsid, -1, buffer, ARRAY_SIZE(buffer) ))
 256         return CO_E_CLASSSTRING;
 257     return CLSIDFromString( buffer, id );
 258 }
 259 DWORD WINAPI SHCLSIDFromStringW (LPCWSTR clsid, CLSID *id)
 260 {
 261         TRACE("(%p(%s) %p)\n", clsid, debugstr_w(clsid), id);
 262         return CLSIDFromString(clsid, id);
 263 }
 264 DWORD WINAPI SHCLSIDFromStringAW (LPCVOID clsid, CLSID *id)
 265 {
 266         if (SHELL_OsIsUnicode())
 267           return SHCLSIDFromStringW (clsid, id);
 268         return SHCLSIDFromStringA (clsid, id);
 269 }
 270
 271 /*************************************************************************
 272  *                       SHGetMalloc                    [SHELL32.@]
 273  *
 274  * Equivalent to CoGetMalloc(MEMCTX_TASK, ...). Under Windows 9x this function
 275  * could use the shell32 built-in "mini-COM" without the need to load ole32.dll -
 276  * see SHLoadOLE for details.
 277  *
 278  * PARAMS
 279  *  lpmal [O] Destination for IMalloc interface.
 280  *
 281  * RETURNS
 282  *  Success: S_OK. lpmal contains the shells IMalloc interface.
 283  *  Failure. An HRESULT error code.
 284  *
 285  * SEE ALSO
 286  *  CoGetMalloc, SHLoadOLE
 287  */
 288 HRESULT WINAPI SHGetMalloc(LPMALLOC *lpmal)
 289 {
 290         TRACE("(%p)\n", lpmal);
 291         return CoGetMalloc(MEMCTX_TASK, lpmal);
 292 }
 293
 294 /*************************************************************************
 295  * SHAlloc                                      [SHELL32.196]
 296  *
 297  * Equivalent to CoTaskMemAlloc. Under Windows 9x this function could use
 298  * the shell32 built-in "mini-COM" without the need to load ole32.dll -
 299  * see SHLoadOLE for details.
 300  *
 301  * NOTES
 302  *     exported by ordinal
 303  *
 304  * SEE ALSO
 305  *     CoTaskMemAlloc, SHLoadOLE
 306  */
 307 LPVOID WINAPI SHAlloc(DWORD len)
 308 {
 309         LPVOID ret;
 310
 311         ret = CoTaskMemAlloc(len);
 312         TRACE("%lu bytes at %p\n",len, ret);
 313         return ret;
 314 }
 315
 316 /*************************************************************************
 317  * SHFree                                       [SHELL32.195]
 318  *
 319  * Equivalent to CoTaskMemFree. Under Windows 9x this function could use
 320  * the shell32 built-in "mini-COM" without the need to load ole32.dll -
 321  * see SHLoadOLE for details.
 322  *
 323  * NOTES
 324  *     exported by ordinal
 325  *
 326  * SEE ALSO
 327  *     CoTaskMemFree, SHLoadOLE
 328  */
 329 void WINAPI SHFree(LPVOID pv)
 330 {
 331         TRACE("%p\n",pv);
 332         CoTaskMemFree(pv);
 333 }
 334
 335 /*************************************************************************
 336  * SHGetDesktopFolder                   [SHELL32.@]
 337  */
 338 HRESULT WINAPI SHGetDesktopFolder(IShellFolder **psf)
 339 {
 340         HRESULT hres;
 341
 342         TRACE("(%p)\n", psf);
 343
 344         if(!psf) return E_INVALIDARG;
 345
 346         *psf = NULL;
 347         hres = ISF_Desktop_Constructor(NULL, &IID_IShellFolder, (LPVOID*)psf);
 348
 349         TRACE("-- %p->(%p) 0x%08lx\n", psf, *psf, hres);
 350         return hres;
 351 }
 352 /**************************************************************************
 353  * Default ClassFactory Implementation
 354  *
 355  * SHCreateDefClassObject
 356  *
 357  * NOTES
 358  *  Helper function for dlls without their own classfactory.
 359  *  A generic classfactory is returned.
 360  *  When the CreateInstance of the cf is called the callback is executed.
 361  */
 362
 363 typedef struct
 364 {
 365     IClassFactory               IClassFactory_iface;
 366     LONG                        ref;
 367     CLSID                       *rclsid;
 368     LPFNCREATEINSTANCE          lpfnCI;
 369     const IID *                 riidInst;
 370     LONG *                      pcRefDll; /* pointer to refcounter in external dll (ugrrr...) */
 371 } IDefClFImpl;
 372
 373 static inline IDefClFImpl *impl_from_IClassFactory(IClassFactory *iface)
 374 {
 375         return CONTAINING_RECORD(iface, IDefClFImpl, IClassFactory_iface);
 376 }
 377
 378 static const IClassFactoryVtbl dclfvt;
 379
 380 /**************************************************************************
 381  *  IDefClF_fnConstructor
 382  */
 383
 384 static IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst)
 385 {
 386         IDefClFImpl* lpclf;
 387
 388         lpclf = malloc(sizeof(*lpclf));
 389         lpclf->ref = 1;
 390         lpclf->IClassFactory_iface.lpVtbl = &dclfvt;
 391         lpclf->lpfnCI = lpfnCI;
 392         lpclf->pcRefDll = pcRefDll;
 393
 394         if (pcRefDll) InterlockedIncrement(pcRefDll);
 395         lpclf->riidInst = riidInst;
 396
 397         TRACE("(%p)%s\n",lpclf, shdebugstr_guid(riidInst));
 398         return &lpclf->IClassFactory_iface;
 399 }
 400 /**************************************************************************
 401  *  IDefClF_fnQueryInterface
 402  */
 403 static HRESULT WINAPI IDefClF_fnQueryInterface(
 404   LPCLASSFACTORY iface, REFIID riid, LPVOID *ppvObj)
 405 {
 406         IDefClFImpl *This = impl_from_IClassFactory(iface);
 407
 408         TRACE("(%p)->(%s)\n",This,shdebugstr_guid(riid));
 409
 410         *ppvObj = NULL;
 411
 412         if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory)) {
 413           *ppvObj = This;
 414           InterlockedIncrement(&This->ref);
 415           return S_OK;
 416         }
 417
 418         TRACE("-- E_NOINTERFACE\n");
 419         return E_NOINTERFACE;
 420 }
 421 /******************************************************************************
 422  * IDefClF_fnAddRef
 423  */
 424 static ULONG WINAPI IDefClF_fnAddRef(LPCLASSFACTORY iface)
 425 {
 426         IDefClFImpl *This = impl_from_IClassFactory(iface);
 427         ULONG refCount = InterlockedIncrement(&This->ref);
 428
 429         TRACE("(%p)->(count=%lu)\n", This, refCount - 1);
 430
 431         return refCount;
 432 }
 433 /******************************************************************************
 434  * IDefClF_fnRelease
 435  */
 436 static ULONG WINAPI IDefClF_fnRelease(LPCLASSFACTORY iface)
 437 {
 438         IDefClFImpl *This = impl_from_IClassFactory(iface);
 439         ULONG refCount = InterlockedDecrement(&This->ref);
 440
 441         TRACE("(%p)->(count=%lu)\n", This, refCount + 1);
 442
 443         if (!refCount)
 444         {
 445           if (This->pcRefDll) InterlockedDecrement(This->pcRefDll);
 446
 447           TRACE("-- destroying IClassFactory(%p)\n",This);
 448           free(This);
 449         }
 450
 451         return refCount;
 452 }
 453 /******************************************************************************
 454  * IDefClF_fnCreateInstance
 455  */
 456 static HRESULT WINAPI IDefClF_fnCreateInstance(
 457   LPCLASSFACTORY iface, LPUNKNOWN pUnkOuter, REFIID riid, LPVOID *ppvObject)
 458 {
 459         IDefClFImpl *This = impl_from_IClassFactory(iface);
 460
 461         TRACE("%p->(%p,%s,%p)\n",This,pUnkOuter,shdebugstr_guid(riid),ppvObject);
 462
 463         *ppvObject = NULL;
 464
 465         if ( This->riidInst==NULL ||
 466              IsEqualCLSID(riid, This->riidInst) ||
 467              IsEqualCLSID(riid, &IID_IUnknown) )
 468         {
 469           return This->lpfnCI(pUnkOuter, riid, ppvObject);
 470         }
 471
 472         ERR("unknown IID requested %s\n",shdebugstr_guid(riid));
 473         return E_NOINTERFACE;
 474 }
 475 /******************************************************************************
 476  * IDefClF_fnLockServer
 477  */
 478 static HRESULT WINAPI IDefClF_fnLockServer(LPCLASSFACTORY iface, BOOL fLock)
 479 {
 480         IDefClFImpl *This = impl_from_IClassFactory(iface);
 481         TRACE("%p->(0x%x), not implemented\n",This, fLock);
 482         return E_NOTIMPL;
 483 }
 484
 485 static const IClassFactoryVtbl dclfvt =
 486 {
 487     IDefClF_fnQueryInterface,
 488     IDefClF_fnAddRef,
 489   IDefClF_fnRelease,
 490   IDefClF_fnCreateInstance,
 491   IDefClF_fnLockServer
 492 };
 493
 494 /******************************************************************************
 495  * SHCreateDefClassObject                       [SHELL32.70]
 496  */
 497 HRESULT WINAPI SHCreateDefClassObject(
 498         REFIID  riid,
 499         LPVOID* ppv,
 500         LPFNCREATEINSTANCE lpfnCI,      /* [in] create instance callback entry */
 501         LPDWORD pcRefDll,               /* [in/out] ref count of the dll */
 502         REFIID  riidInst)               /* [in] optional interface to the instance */
 503 {
 504         IClassFactory * pcf;
 505
 506         TRACE("%s %p %p %p %s\n",
 507               shdebugstr_guid(riid), ppv, lpfnCI, pcRefDll, shdebugstr_guid(riidInst));
 508
 509         if (! IsEqualCLSID(riid, &IID_IClassFactory) ) return E_NOINTERFACE;
 510         if (! (pcf = IDefClF_fnConstructor(lpfnCI, (PLONG)pcRefDll, riidInst))) return E_OUTOFMEMORY;
 511         *ppv = pcf;
 512         return S_OK;
 513 }
 514
 515 /*************************************************************************
 516  *  DragAcceptFiles             [SHELL32.@]
 517  */
 518 void WINAPI DragAcceptFiles(HWND hWnd, BOOL b)
 519 {
 520         LONG exstyle;
 521
 522         if( !IsWindow(hWnd) ) return;
 523         exstyle = GetWindowLongA(hWnd,GWL_EXSTYLE);
 524         if (b)
 525           exstyle |= WS_EX_ACCEPTFILES;
 526         else
 527           exstyle &= ~WS_EX_ACCEPTFILES;
 528         SetWindowLongA(hWnd,GWL_EXSTYLE,exstyle);
 529 }
 530
 531 /*************************************************************************
 532  * DragFinish           [SHELL32.@]
 533  */
 534 void WINAPI DragFinish(HDROP h)
 535 {
 536         TRACE("\n");
 537         GlobalFree(h);
 538 }
 539
 540 /*************************************************************************
 541  * DragQueryPoint               [SHELL32.@]
 542  */
 543 BOOL WINAPI DragQueryPoint(HDROP hDrop, POINT *p)
 544 {
 545         DROPFILES *lpDropFileStruct;
 546         BOOL bRet;
 547
 548         TRACE("\n");
 549
 550         lpDropFileStruct = GlobalLock(hDrop);
 551
 552         *p = lpDropFileStruct->pt;
 553         bRet = !lpDropFileStruct->fNC;
 554
 555         GlobalUnlock(hDrop);
 556         return bRet;
 557 }
 558
 559 /*************************************************************************
 560  *  DragQueryFileA              [SHELL32.@]
 561  *  DragQueryFile               [SHELL32.@]
 562  */
 563 UINT WINAPI DragQueryFileA(HDROP hDrop, UINT lFile, LPSTR lpszFile, UINT lLength)
 564 {
 565     LPWSTR filenameW = NULL;
 566     LPSTR filename = NULL;
 567     UINT i;
 568
 569     TRACE("(%p, %x, %p, %u)\n", hDrop, lFile, lpszFile, lLength);
 570
 571     i = DragQueryFileW(hDrop, lFile, NULL, 0);
 572     if (!i || lFile == 0xFFFFFFFF) goto end;
 573     filenameW = malloc((i + 1) * sizeof(WCHAR));
 574     if (!filenameW) goto error;
 575     if (!DragQueryFileW(hDrop, lFile, filenameW, i + 1)) goto error;
 576
 577     i = WideCharToMultiByte(CP_ACP, 0, filenameW, -1, NULL, 0, NULL, NULL);
 578     if (!lpszFile || !lLength)
 579     {
 580         /* minus a trailing null */
 581         i--;
 582         goto end;
 583     }
 584     filename = malloc(i);
 585     if (!filename) goto error;
 586     i = WideCharToMultiByte(CP_ACP, 0, filenameW, -1, filename, i, NULL, NULL);
 587
 588     lstrcpynA(lpszFile, filename, lLength);
 589     i = min(i, lLength) - 1;
 590 end:
 591     free(filenameW);
 592     free(filename);
 593     return i;
 594 error:
 595     i = 0;
 596     goto end;
 597 }
 598
 599 /*************************************************************************
 600  *  DragQueryFileW              [SHELL32.@]
 601  */
 602 UINT WINAPI DragQueryFileW(
 603         HDROP hDrop,
 604         UINT lFile,
 605         LPWSTR lpszwFile,
 606         UINT lLength)
 607 {
 608         LPWSTR buffer = NULL;
 609         LPCWSTR filename;
 610         UINT i = 0;
 611         const DROPFILES *lpDropFileStruct = GlobalLock(hDrop);
 612
 613         TRACE("(%p, %x, %p, %u)\n", hDrop,lFile,lpszwFile,lLength);
 614
 615         if(!lpDropFileStruct) goto end;
 616
 617         if(lpDropFileStruct->fWide)
 618         {
 619             LPCWSTR p = (LPCWSTR) ((LPCSTR)lpDropFileStruct + lpDropFileStruct->pFiles);
 620             while (i++ < lFile)
 621             {
 622                 while (*p++); /* skip filename */
 623                 if (!*p)
 624                 {
 625                     i = (lFile == 0xFFFFFFFF) ? i : 0;
 626                     goto end;
 627                 }
 628             }
 629             filename = p;
 630         }
 631         else
 632         {
 633             LPCSTR p = (LPCSTR)lpDropFileStruct + lpDropFileStruct->pFiles;
 634             while (i++ < lFile)
 635             {
 636                 while (*p++); /* skip filename */
 637                 if (!*p)
 638                 {
 639                     i = (lFile == 0xFFFFFFFF) ? i : 0;
 640                     goto end;
 641                 }
 642             }
 643             i = MultiByteToWideChar(CP_ACP, 0, p, -1, NULL, 0);
 644             buffer = malloc(i * sizeof(WCHAR));
 645             if (!buffer)
 646             {
 647                 i = 0;
 648                 goto end;
 649             }
 650             MultiByteToWideChar(CP_ACP, 0, p, -1, buffer, i);
 651             filename = buffer;
 652         }
 653
 654         i = lstrlenW(filename);
 655         if (!lpszwFile || !lLength) goto end;   /* needed buffer size */
 656         lstrcpynW(lpszwFile, filename, lLength);
 657         i = min(i, lLength - 1);
 658 end:
 659         GlobalUnlock(hDrop);
 660         free(buffer);
 661         return i;
 662 }
 663
 664 /*************************************************************************
 665  *  SHPropStgCreate             [SHELL32.685]
 666  */
 667 HRESULT WINAPI SHPropStgCreate(IPropertySetStorage *psstg, REFFMTID fmtid,
 668         const CLSID *pclsid, DWORD grfFlags, DWORD grfMode,
 669         DWORD dwDisposition, IPropertyStorage **ppstg, UINT *puCodePage)
 670 {
 671     PROPSPEC prop;
 672     PROPVARIANT ret;
 673     HRESULT hres;
 674
 675     TRACE("%p %s %s %lx %lx %lx %p %p\n", psstg, debugstr_guid(fmtid), debugstr_guid(pclsid),
 676             grfFlags, grfMode, dwDisposition, ppstg, puCodePage);
 677
 678     hres = IPropertySetStorage_Open(psstg, fmtid, grfMode, ppstg);
 679
 680     switch(dwDisposition) {
 681     case CREATE_ALWAYS:
 682         if(SUCCEEDED(hres)) {
 683             IPropertyStorage_Release(*ppstg);
 684             hres = IPropertySetStorage_Delete(psstg, fmtid);
 685             if(FAILED(hres))
 686                 return hres;
 687             hres = E_FAIL;
 688         }
 689
 690     case OPEN_ALWAYS:
 691     case CREATE_NEW:
 692         if(FAILED(hres))
 693             hres = IPropertySetStorage_Create(psstg, fmtid, pclsid,
 694                     grfFlags, grfMode, ppstg);
 695
 696     case OPEN_EXISTING:
 697         if(FAILED(hres))
 698             return hres;
 699
 700         if(puCodePage) {
 701             prop.ulKind = PRSPEC_PROPID;
 702             prop.u.propid = PID_CODEPAGE;
 703             hres = IPropertyStorage_ReadMultiple(*ppstg, 1, &prop, &ret);
 704             if(FAILED(hres) || ret.vt!=VT_I2)
 705                 *puCodePage = 0;
 706             else
 707                 *puCodePage = ret.iVal;
 708         }
 709     }
 710
 711     return S_OK;
 712 }
 713
 714 /*************************************************************************
 715  *  SHPropStgReadMultiple       [SHELL32.688]
 716  */
 717 HRESULT WINAPI SHPropStgReadMultiple(IPropertyStorage *pps, UINT uCodePage,
 718         ULONG cpspec, const PROPSPEC *rgpspec, PROPVARIANT *rgvar)
 719 {
 720     STATPROPSETSTG stat;
 721     HRESULT hres;
 722
 723     FIXME("%p %u %lu %p %p\n", pps, uCodePage, cpspec, rgpspec, rgvar);
 724
 725     memset(rgvar, 0, cpspec*sizeof(PROPVARIANT));
 726     hres = IPropertyStorage_ReadMultiple(pps, cpspec, rgpspec, rgvar);
 727     if(FAILED(hres))
 728         return hres;
 729
 730     if(!uCodePage) {
 731         PROPSPEC prop;
 732         PROPVARIANT ret;
 733
 734         prop.ulKind = PRSPEC_PROPID;
 735         prop.u.propid = PID_CODEPAGE;
 736         hres = IPropertyStorage_ReadMultiple(pps, 1, &prop, &ret);
 737         if(FAILED(hres) || ret.vt!=VT_I2)
 738             return S_OK;
 739
 740         uCodePage = ret.iVal;
 741     }
 742
 743     hres = IPropertyStorage_Stat(pps, &stat);
 744     if(FAILED(hres))
 745         return S_OK;
 746
 747     /* TODO: do something with codepage and stat */
 748     return S_OK;
 749 }
 750
 751 /*************************************************************************
 752  *  SHPropStgWriteMultiple      [SHELL32.689]
 753  */
 754 HRESULT WINAPI SHPropStgWriteMultiple(IPropertyStorage *pps, UINT *uCodePage,
 755         ULONG cpspec, const PROPSPEC *rgpspec, PROPVARIANT *rgvar, PROPID propidNameFirst)
 756 {
 757     STATPROPSETSTG stat;
 758     UINT codepage;
 759     HRESULT hres;
 760
 761     FIXME("%p %p %lu %p %p %ld\n", pps, uCodePage, cpspec, rgpspec, rgvar, propidNameFirst);
 762
 763     hres = IPropertyStorage_Stat(pps, &stat);
 764     if(FAILED(hres))
 765         return hres;
 766
 767     if(uCodePage && *uCodePage)
 768         codepage = *uCodePage;
 769     else {
 770         PROPSPEC prop;
 771         PROPVARIANT ret;
 772
 773         prop.ulKind = PRSPEC_PROPID;
 774         prop.u.propid = PID_CODEPAGE;
 775         hres = IPropertyStorage_ReadMultiple(pps, 1, &prop, &ret);
 776         if(FAILED(hres))
 777             return hres;
 778         if(ret.vt!=VT_I2 || !ret.iVal)
 779             return E_FAIL;
 780
 781         codepage = ret.iVal;
 782         if(uCodePage)
 783             *uCodePage = codepage;
 784     }
 785
 786     /* TODO: do something with codepage and stat */
 787
 788     hres = IPropertyStorage_WriteMultiple(pps, cpspec, rgpspec, rgvar, propidNameFirst);
 789     return hres;
 790 }
 791
 792 /*************************************************************************
 793  *  SHCreateQueryCancelAutoPlayMoniker [SHELL32.@]
 794  */
 795 HRESULT WINAPI SHCreateQueryCancelAutoPlayMoniker(IMoniker **moniker)
 796 {
 797     TRACE("%p\n", moniker);
 798
 799     if (!moniker) return E_INVALIDARG;
 800     return CreateClassMoniker(&CLSID_QueryCancelAutoPlay, moniker);
 801 }
 802
 803 static HRESULT gpstatus_to_hresult(GpStatus status)
 804 {
 805     switch (status)
 806     {
 807     case Ok:
 808         return S_OK;
 809     case InvalidParameter:
 810         return E_INVALIDARG;
 811     case OutOfMemory:
 812         return E_OUTOFMEMORY;
 813     case NotImplemented:
 814         return E_NOTIMPL;
 815     default:
 816         return E_FAIL;
 817     }
 818 }
 819
 820 /* IShellImageData */
 821 typedef struct
 822 {
 823     IShellImageData IShellImageData_iface;
 824     LONG ref;
 825
 826     WCHAR *path;
 827     GpImage *image;
 828 } ShellImageData;
 829
 830 static inline ShellImageData *impl_from_IShellImageData(IShellImageData *iface)
 831 {
 832     return CONTAINING_RECORD(iface, ShellImageData, IShellImageData_iface);
 833 }
 834
 835 static HRESULT WINAPI ShellImageData_QueryInterface(IShellImageData *iface, REFIID riid, void **obj)
 836 {
 837     ShellImageData *This = impl_from_IShellImageData(iface);
 838
 839     TRACE("%p, %s, %p\n", This, debugstr_guid(riid), obj);
 840
 841     if (IsEqualIID(riid, &IID_IShellImageData) || IsEqualIID(riid, &IID_IUnknown))
 842     {
 843         *obj = &This->IShellImageData_iface;
 844         IShellImageData_AddRef(iface);
 845         return S_OK;
 846     }
 847
 848     *obj = NULL;
 849     return E_NOINTERFACE;
 850 }
 851
 852 static ULONG WINAPI ShellImageData_AddRef(IShellImageData *iface)
 853 {
 854     ShellImageData *This = impl_from_IShellImageData(iface);
 855     ULONG ref = InterlockedIncrement(&This->ref);
 856
 857     TRACE("%p, %lu\n", This, ref);
 858
 859     return ref;
 860 }
 861
 862 static ULONG WINAPI ShellImageData_Release(IShellImageData *iface)
 863 {
 864     ShellImageData *This = impl_from_IShellImageData(iface);
 865     ULONG ref = InterlockedDecrement(&This->ref);
 866
 867     TRACE("%p, %lu\n", This, ref);
 868
 869     if (!ref)
 870     {
 871         GdipDisposeImage(This->image);
 872         free(This->path);
 873         free(This);
 874     }
 875
 876     return ref;
 877 }
 878
 879 static HRESULT WINAPI ShellImageData_Decode(IShellImageData *iface, DWORD flags, ULONG cx_desired, ULONG cy_desired)
 880 {
 881     ShellImageData *This = impl_from_IShellImageData(iface);
 882     GpImage *image;
 883     HRESULT hr;
 884
 885     TRACE("%p, %#lx, %lu, %lu\n", This, flags, cx_desired, cy_desired);
 886
 887     if (This->image)
 888         return S_FALSE;
 889
 890     if (flags & SHIMGDEC_LOADFULL)
 891         FIXME("LOADFULL flag ignored\n");
 892
 893     hr = gpstatus_to_hresult(GdipLoadImageFromFile(This->path, &image));
 894     if (FAILED(hr))
 895         return hr;
 896
 897     if (flags & SHIMGDEC_THUMBNAIL)
 898     {
 899         hr = gpstatus_to_hresult(GdipGetImageThumbnail(image, cx_desired, cy_desired, &This->image, NULL, NULL));
 900         GdipDisposeImage(image);
 901     }
 902     else
 903         This->image = image;
 904
 905     return hr;
 906 }
 907
 908 static HRESULT WINAPI ShellImageData_Draw(IShellImageData *iface, HDC hdc, RECT *dest, RECT *src)
 909 {
 910     ShellImageData *This = impl_from_IShellImageData(iface);
 911     GpGraphics *graphics;
 912     HRESULT hr;
 913
 914     TRACE("%p, %p, %s, %s\n", This, hdc, wine_dbgstr_rect(dest), wine_dbgstr_rect(src));
 915
 916     if (!This->image)
 917         return E_FAIL;
 918
 919     if (!dest)
 920         return E_INVALIDARG;
 921
 922     if (!src)
 923         return S_OK;
 924
 925     hr = gpstatus_to_hresult(GdipCreateFromHDC(hdc, &graphics));
 926     if (FAILED(hr))
 927         return hr;
 928
 929     hr = gpstatus_to_hresult(GdipDrawImageRectRectI(graphics, This->image, dest->left, dest->top, dest->right - dest->left,
 930         dest->bottom - dest->top, src->left, src->top, src->right - src->left, src->bottom - src->top,
 931         UnitPixel, NULL, NULL, NULL));
 932     GdipDeleteGraphics(graphics);
 933
 934     return hr;
 935 }
 936
 937 static HRESULT WINAPI ShellImageData_NextFrame(IShellImageData *iface)
 938 {
 939     ShellImageData *This = impl_from_IShellImageData(iface);
 940
 941     FIXME("%p: stub\n", This);
 942
 943     return E_NOTIMPL;
 944 }
 945
 946 static HRESULT WINAPI ShellImageData_NextPage(IShellImageData *iface)
 947 {
 948     ShellImageData *This = impl_from_IShellImageData(iface);
 949
 950     FIXME("%p: stub\n", This);
 951
 952     return E_NOTIMPL;
 953 }
 954
 955 static HRESULT WINAPI ShellImageData_PrevPage(IShellImageData *iface)
 956 {
 957     ShellImageData *This = impl_from_IShellImageData(iface);
 958
 959     FIXME("%p: stub\n", This);
 960
 961     return E_NOTIMPL;
 962 }
 963
 964 static HRESULT WINAPI ShellImageData_IsTransparent(IShellImageData *iface)
 965 {
 966     ShellImageData *This = impl_from_IShellImageData(iface);
 967
 968     FIXME("%p: stub\n", This);
 969
 970     return E_NOTIMPL;
 971 }
 972
 973 static HRESULT WINAPI ShellImageData_IsAnimated(IShellImageData *iface)
 974 {
 975     ShellImageData *This = impl_from_IShellImageData(iface);
 976
 977     FIXME("%p: stub\n", This);
 978
 979     return E_NOTIMPL;
 980 }
 981
 982 static HRESULT WINAPI ShellImageData_IsVector(IShellImageData *iface)
 983 {
 984     ShellImageData *This = impl_from_IShellImageData(iface);
 985
 986     FIXME("%p: stub\n", This);
 987
 988     return E_NOTIMPL;
 989 }
 990
 991 static HRESULT WINAPI ShellImageData_IsMultipage(IShellImageData *iface)
 992 {
 993     ShellImageData *This = impl_from_IShellImageData(iface);
 994
 995     FIXME("%p: stub\n", This);
 996
 997     return E_NOTIMPL;
 998 }
 999
1000 static HRESULT WINAPI ShellImageData_IsEditable(IShellImageData *iface)
1001 {
1002     ShellImageData *This = impl_from_IShellImageData(iface);
1003
1004     FIXME("%p: stub\n", This);
1005
1006     return E_NOTIMPL;
1007 }
1008
1009 static HRESULT WINAPI ShellImageData_IsPrintable(IShellImageData *iface)
1010 {
1011     ShellImageData *This = impl_from_IShellImageData(iface);
1012
1013     FIXME("%p: stub\n", This);
1014
1015     return E_NOTIMPL;
1016 }
1017
1018 static HRESULT WINAPI ShellImageData_IsDecoded(IShellImageData *iface)
1019 {
1020     ShellImageData *This = impl_from_IShellImageData(iface);
1021
1022     FIXME("%p: stub\n", This);
1023
1024     return E_NOTIMPL;
1025 }
1026
1027 static HRESULT WINAPI ShellImageData_GetCurrentPage(IShellImageData *iface, ULONG *page)
1028 {
1029     ShellImageData *This = impl_from_IShellImageData(iface);
1030
1031     FIXME("%p: stub\n", This);
1032
1033     return E_NOTIMPL;
1034 }
1035
1036 static HRESULT WINAPI ShellImageData_GetPageCount(IShellImageData *iface, ULONG *count)
1037 {
1038     ShellImageData *This = impl_from_IShellImageData(iface);
1039
1040     FIXME("%p, %p: stub\n", This, count);
1041
1042     return E_NOTIMPL;
1043 }
1044
1045 static HRESULT WINAPI ShellImageDate_SelectPage(IShellImageData *iface, ULONG page)
1046 {
1047     ShellImageData *This = impl_from_IShellImageData(iface);
1048
1049     FIXME("%p, %lu: stub\n", This, page);
1050
1051     return E_NOTIMPL;
1052 }
1053
1054 static HRESULT WINAPI ShellImageData_GetSize(IShellImageData *iface, SIZE *size)
1055 {
1056     ShellImageData *This = impl_from_IShellImageData(iface);
1057     REAL cx, cy;
1058     HRESULT hr;
1059
1060     TRACE("%p, %p\n", This, size);
1061
1062     if (!This->image)
1063         return E_FAIL;
1064
1065     hr = gpstatus_to_hresult(GdipGetImageDimension(This->image, &cx, &cy));
1066     if (SUCCEEDED(hr))
1067     {
1068         size->cx = cx;
1069         size->cy = cy;
1070     }
1071
1072     return hr;
1073 }
1074
1075 static HRESULT WINAPI ShellImageData_GetRawDataFormat(IShellImageData *iface, GUID *format)
1076 {
1077     ShellImageData *This = impl_from_IShellImageData(iface);
1078
1079     FIXME("%p, %p: stub\n", This, format);
1080
1081     return E_NOTIMPL;
1082 }
1083
1084 static HRESULT WINAPI ShellImageData_GetPixelFormat(IShellImageData *iface, PixelFormat *format)
1085 {
1086     ShellImageData *This = impl_from_IShellImageData(iface);
1087
1088     FIXME("%p, %p: stub\n", This, format);
1089
1090     return E_NOTIMPL;
1091 }
1092
1093 static HRESULT WINAPI ShellImageData_GetDelay(IShellImageData *iface, DWORD *delay)
1094 {
1095     ShellImageData *This = impl_from_IShellImageData(iface);
1096
1097     FIXME("%p, %p: stub\n", This, delay);
1098
1099     return E_NOTIMPL;
1100 }
1101
1102 static HRESULT WINAPI ShellImageData_GetProperties(IShellImageData *iface, DWORD mode, IPropertySetStorage **props)
1103 {
1104     ShellImageData *This = impl_from_IShellImageData(iface);
1105
1106     FIXME("%p, %#lx, %p: stub\n", This, mode, props);
1107
1108     return E_NOTIMPL;
1109 }
1110
1111 static HRESULT WINAPI ShellImageData_Rotate(IShellImageData *iface, DWORD angle)
1112 {
1113     ShellImageData *This = impl_from_IShellImageData(iface);
1114
1115     FIXME("%p, %lu: stub\n", This, angle);
1116
1117     return E_NOTIMPL;
1118 }
1119
1120 static HRESULT WINAPI ShellImageData_Scale(IShellImageData *iface, ULONG cx, ULONG cy, InterpolationMode mode)
1121 {
1122     ShellImageData *This = impl_from_IShellImageData(iface);
1123
1124     FIXME("%p, %lu, %lu, %#x: stub\n", This, cx, cy, mode);
1125
1126     return E_NOTIMPL;
1127 }
1128
1129 static HRESULT WINAPI ShellImageData_DiscardEdit(IShellImageData *iface)
1130 {
1131     ShellImageData *This = impl_from_IShellImageData(iface);
1132
1133     FIXME("%p: stub\n", This);
1134
1135     return E_NOTIMPL;
1136 }
1137
1138 static HRESULT WINAPI ShellImageDate_SetEncoderParams(IShellImageData *iface, IPropertyBag *params)
1139 {
1140     ShellImageData *This = impl_from_IShellImageData(iface);
1141
1142     FIXME("%p, %p: stub\n", This, params);
1143
1144     return E_NOTIMPL;
1145 }
1146
1147 static HRESULT WINAPI ShellImageData_DisplayName(IShellImageData *iface, LPWSTR name, UINT count)
1148 {
1149     ShellImageData *This = impl_from_IShellImageData(iface);
1150
1151     FIXME("%p, %p, %u: stub\n", This, name, count);
1152
1153     return E_NOTIMPL;
1154 }
1155
1156 static HRESULT WINAPI ShellImageData_GetResolution(IShellImageData *iface, ULONG *res_x, ULONG *res_y)
1157 {
1158     ShellImageData *This = impl_from_IShellImageData(iface);
1159
1160     FIXME("%p, %p, %p: stub\n", This, res_x, res_y);
1161
1162     return E_NOTIMPL;
1163 }
1164
1165 static HRESULT WINAPI ShellImageData_GetEncoderParams(IShellImageData *iface, GUID *format, EncoderParameters **params)
1166 {
1167     ShellImageData *This = impl_from_IShellImageData(iface);
1168
1169     FIXME("%p, %p, %p: stub\n", This, format, params);
1170
1171     return E_NOTIMPL;
1172 }
1173
1174 static HRESULT WINAPI ShellImageData_RegisterAbort(IShellImageData *iface, IShellImageDataAbort *abort,
1175     IShellImageDataAbort **prev)
1176 {
1177     ShellImageData *This = impl_from_IShellImageData(iface);
1178
1179     FIXME("%p, %p, %p: stub\n", This, abort, prev);
1180
1181     return E_NOTIMPL;
1182 }
1183
1184 static HRESULT WINAPI ShellImageData_CloneFrame(IShellImageData *iface, Image **frame)
1185 {
1186     ShellImageData *This = impl_from_IShellImageData(iface);
1187
1188     FIXME("%p, %p: stub\n", This, frame);
1189
1190     return E_NOTIMPL;
1191 }
1192
1193 static HRESULT WINAPI ShellImageData_ReplaceFrame(IShellImageData *iface, Image *frame)
1194 {
1195     ShellImageData *This = impl_from_IShellImageData(iface);
1196
1197     FIXME("%p, %p: stub\n", This, frame);
1198
1199     return E_NOTIMPL;
1200 }
1201
1202 static const IShellImageDataVtbl ShellImageDataVtbl =
1203 {
1204     ShellImageData_QueryInterface,
1205     ShellImageData_AddRef,
1206     ShellImageData_Release,
1207     ShellImageData_Decode,
1208     ShellImageData_Draw,
1209     ShellImageData_NextFrame,
1210     ShellImageData_NextPage,
1211     ShellImageData_PrevPage,
1212     ShellImageData_IsTransparent,
1213     ShellImageData_IsAnimated,
1214     ShellImageData_IsVector,
1215     ShellImageData_IsMultipage,
1216     ShellImageData_IsEditable,
1217     ShellImageData_IsPrintable,
1218     ShellImageData_IsDecoded,
1219     ShellImageData_GetCurrentPage,
1220     ShellImageData_GetPageCount,
1221     ShellImageDate_SelectPage,
1222     ShellImageData_GetSize,
1223     ShellImageData_GetRawDataFormat,
1224     ShellImageData_GetPixelFormat,
1225     ShellImageData_GetDelay,
1226     ShellImageData_GetProperties,
1227     ShellImageData_Rotate,
1228     ShellImageData_Scale,
1229     ShellImageData_DiscardEdit,
1230     ShellImageDate_SetEncoderParams,
1231     ShellImageData_DisplayName,
1232     ShellImageData_GetResolution,
1233     ShellImageData_GetEncoderParams,
1234     ShellImageData_RegisterAbort,
1235     ShellImageData_CloneFrame,
1236     ShellImageData_ReplaceFrame,
1237 };
1238
1239 static HRESULT create_shellimagedata_from_path(const WCHAR *path, IShellImageData **data)
1240 {
1241     ShellImageData *This;
1242
1243     This = malloc(sizeof(*This));
1244
1245     This->IShellImageData_iface.lpVtbl = &ShellImageDataVtbl;
1246     This->ref = 1;
1247
1248     This->path = wcsdup(path);
1249     This->image = NULL;
1250
1251     *data = &This->IShellImageData_iface;
1252     return S_OK;
1253 }
1254
1255 /* IShellImageDataFactory */
1256 static HRESULT WINAPI ShellImageDataFactory_QueryInterface(IShellImageDataFactory *iface, REFIID riid, void **obj)
1257 {
1258     TRACE("(%p, %s, %p)\n", iface, debugstr_guid(riid), obj);
1259
1260     if (IsEqualIID(&IID_IShellImageDataFactory, riid) || IsEqualIID(&IID_IUnknown, riid))
1261     {
1262         *obj = iface;
1263     }
1264     else
1265     {
1266         FIXME("not implemented for %s\n", debugstr_guid(riid));
1267         *obj = NULL;
1268         return E_NOINTERFACE;
1269     }
1270
1271     IUnknown_AddRef((IUnknown*)*obj);
1272     return S_OK;
1273 }
1274
1275 static ULONG WINAPI ShellImageDataFactory_AddRef(IShellImageDataFactory *iface)
1276 {
1277     TRACE("(%p)\n", iface);
1278
1279     return 2;
1280 }
1281
1282 static ULONG WINAPI ShellImageDataFactory_Release(IShellImageDataFactory *iface)
1283 {
1284     TRACE("(%p)\n", iface);
1285
1286     return 1;
1287 }
1288
1289 static HRESULT WINAPI ShellImageDataFactory_CreateIShellImageData(IShellImageDataFactory *iface, IShellImageData **data)
1290 {
1291     FIXME("%p, %p: stub\n", iface, data);
1292
1293     return E_NOTIMPL;
1294 }
1295
1296 static HRESULT WINAPI ShellImageDataFactory_CreateImageFromFile(IShellImageDataFactory *iface, const WCHAR *path,
1297     IShellImageData **data)
1298 {
1299     TRACE("%p, %s, %p\n", iface, debugstr_w(path), data);
1300
1301     return create_shellimagedata_from_path(path, data);
1302 }
1303
1304 static HRESULT WINAPI ShellImageDataFactory_CreateImageFromStream(IShellImageDataFactory *iface, IStream *stream,
1305     IShellImageData **data)
1306 {
1307     FIXME("%p, %p, %p: stub\n", iface, stream, data);
1308
1309     return E_NOTIMPL;
1310 }
1311
1312 static HRESULT WINAPI ShellImageDataFactory_GetDataFormatFromPath(IShellImageDataFactory *iface, const WCHAR *path,
1313     GUID *format)
1314 {
1315     FIXME("%p, %s, %p: stub\n", iface, debugstr_w(path), format);
1316
1317     return E_NOTIMPL;
1318 }
1319
1320 static const IShellImageDataFactoryVtbl ShellImageDataFactoryVtbl =
1321 {
1322     ShellImageDataFactory_QueryInterface,
1323     ShellImageDataFactory_AddRef,
1324     ShellImageDataFactory_Release,
1325     ShellImageDataFactory_CreateIShellImageData,
1326     ShellImageDataFactory_CreateImageFromFile,
1327     ShellImageDataFactory_CreateImageFromStream,
1328     ShellImageDataFactory_GetDataFormatFromPath,
1329 };
1330
1331 static IShellImageDataFactory ShellImageDataFactory = { &ShellImageDataFactoryVtbl };
1332
1333 HRESULT WINAPI ShellImageDataFactory_Constructor(IUnknown *outer, REFIID riid, void **obj)
1334 {
1335     TRACE("%p %s %p\n", outer, debugstr_guid(riid), obj);
1336
1337     if (outer)
1338         return CLASS_E_NOAGGREGATION;
1339
1340     return IShellImageDataFactory_QueryInterface(&ShellImageDataFactory, riid, obj);
1341 }