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