dlls/shell32/shfldr_fs.c

   1
   2 /*
   3  * file system folder
   4  *
   5  * Copyright 1997             Marcus Meissner
   6  * Copyright 1998, 1999, 2002 Juergen Schmied
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30
  31 #define COBJMACROS
  32 #define NONAMELESSUNION
  33 #define NONAMELESSSTRUCT
  34
  35 #include "winerror.h"
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winreg.h"
  39 #include "wingdi.h"
  40 #include "winuser.h"
  41
  42 #include "ole2.h"
  43 #include "shlguid.h"
  44
  45 #include "pidl.h"
  46 #include "undocshell.h"
  47 #include "shell32_main.h"
  48 #include "shresdef.h"
  49 #include "shlwapi.h"
  50 #include "shellfolder.h"
  51 #include "wine/debug.h"
  52 #include "debughlp.h"
  53 #include "shfldr.h"
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  56
  57 /***********************************************************************
  58 *   IShellFolder implementation
  59 */
  60
  61 typedef struct {
  62     IUnknown IUnknown_inner;
  63     LONG ref;
  64     IShellFolder2 IShellFolder2_iface;
  65     IPersistFolder3 IPersistFolder3_iface;
  66     IDropTarget IDropTarget_iface;
  67     ISFHelper ISFHelper_iface;
  68     IUnknown *outer_unk;
  69
  70     CLSID *pclsid;
  71
  72     /* both paths are parsible from the desktop */
  73     LPWSTR sPathTarget;     /* complete path to target used for enumeration and ChangeNotify */
  74
  75     LPITEMIDLIST pidlRoot; /* absolute pidl */
  76
  77     UINT cfShellIDList;    /* clipboardformat for IDropTarget */
  78     BOOL fAcceptFmt;       /* flag for pending Drop */
  79 } IGenericSFImpl;
  80
  81 static inline IGenericSFImpl *impl_from_IUnknown(IUnknown *iface)
  82 {
  83     return CONTAINING_RECORD(iface, IGenericSFImpl, IUnknown_inner);
  84 }
  85
  86 static inline IGenericSFImpl *impl_from_IShellFolder2(IShellFolder2 *iface)
  87 {
  88     return CONTAINING_RECORD(iface, IGenericSFImpl, IShellFolder2_iface);
  89 }
  90
  91 static inline IGenericSFImpl *impl_from_IPersistFolder3(IPersistFolder3 *iface)
  92 {
  93     return CONTAINING_RECORD(iface, IGenericSFImpl, IPersistFolder3_iface);
  94 }
  95
  96 static inline IGenericSFImpl *impl_from_IDropTarget(IDropTarget *iface)
  97 {
  98     return CONTAINING_RECORD(iface, IGenericSFImpl, IDropTarget_iface);
  99 }
 100
 101 static inline IGenericSFImpl *impl_from_ISFHelper(ISFHelper *iface)
 102 {
 103     return CONTAINING_RECORD(iface, IGenericSFImpl, ISFHelper_iface);
 104 }
 105
 106 /**************************************************************************
 107 * registers clipboardformat once
 108 */
 109 static void SF_RegisterClipFmt (IGenericSFImpl * This)
 110 {
 111     TRACE ("(%p)\n", This);
 112
 113     if (!This->cfShellIDList) {
 114         This->cfShellIDList = RegisterClipboardFormatW (CFSTR_SHELLIDLISTW);
 115     }
 116 }
 117
 118 /**************************************************************************
 119 * inner IUnknown
 120 */
 121 static HRESULT WINAPI IUnknown_fnQueryInterface(IUnknown *iface, REFIID riid, void **ppvObj)
 122 {
 123     IGenericSFImpl *This = impl_from_IUnknown(iface);
 124
 125     TRACE("(%p)->(%s,%p)\n", This, shdebugstr_guid(riid), ppvObj);
 126
 127     *ppvObj = NULL;
 128
 129     if (IsEqualIID (riid, &IID_IUnknown))
 130         *ppvObj = &This->IUnknown_inner;
 131     else if (IsEqualIID(riid, &IID_IShellFolder) || IsEqualIID(riid, &IID_IShellFolder2))
 132         *ppvObj = &This->IShellFolder2_iface;
 133     else if (IsEqualIID(riid, &IID_IPersist) || IsEqualIID(riid, &IID_IPersistFolder) ||
 134             IsEqualIID(riid, &IID_IPersistFolder2) || IsEqualIID(riid, &IID_IPersistFolder3))
 135         *ppvObj = &This->IPersistFolder3_iface;
 136     else if (IsEqualIID (riid, &IID_ISFHelper))
 137         *ppvObj = &This->ISFHelper_iface;
 138     else if (IsEqualIID (riid, &IID_IDropTarget)) {
 139         *ppvObj = &This->IDropTarget_iface;
 140         SF_RegisterClipFmt(This);
 141     }
 142
 143     if (*ppvObj) {
 144         IUnknown_AddRef((IUnknown *)*ppvObj);
 145         TRACE ("-- Interface = %p\n", *ppvObj);
 146         return S_OK;
 147     }
 148     TRACE ("-- Interface: E_NOINTERFACE\n");
 149     return E_NOINTERFACE;
 150 }
 151
 152 static ULONG WINAPI IUnknown_fnAddRef(IUnknown *iface)
 153 {
 154     IGenericSFImpl *This = impl_from_IUnknown(iface);
 155     ULONG ref = InterlockedIncrement(&This->ref);
 156
 157     TRACE("(%p) ref=%d\n", This, ref);
 158
 159     return ref;
 160 }
 161
 162 static ULONG WINAPI IUnknown_fnRelease(IUnknown *iface)
 163 {
 164     IGenericSFImpl *This = impl_from_IUnknown(iface);
 165     ULONG ref = InterlockedDecrement(&This->ref);
 166
 167     TRACE("(%p) ref=%d\n", This, ref);
 168
 169     if (!ref) {
 170         TRACE("-- destroying IShellFolder(%p)\n", This);
 171
 172         SHFree(This->pidlRoot);
 173         SHFree(This->sPathTarget);
 174         LocalFree(This);
 175     }
 176     return ref;
 177 }
 178
 179 static const IUnknownVtbl unkvt =
 180 {
 181       IUnknown_fnQueryInterface,
 182       IUnknown_fnAddRef,
 183       IUnknown_fnRelease,
 184 };
 185
 186 static const shvheader GenericSFHeader[] = {
 187     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 188     {IDS_SHV_COLUMN2, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 189     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 190     {IDS_SHV_COLUMN4, SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
 191     {IDS_SHV_COLUMN5, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 5}
 192 };
 193
 194 #define GENERICSHELLVIEWCOLUMNS 5
 195
 196 /**************************************************************************
 197  *  IShellFolder_fnQueryInterface
 198  */
 199 static HRESULT WINAPI IShellFolder_fnQueryInterface(IShellFolder2 *iface, REFIID riid,
 200         void **ppvObj)
 201 {
 202     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 203
 204     return IUnknown_QueryInterface(This->outer_unk, riid, ppvObj);
 205 }
 206
 207 /**************************************************************************
 208 *  IShellFolder_AddRef
 209 */
 210 static ULONG WINAPI IShellFolder_fnAddRef(IShellFolder2 *iface)
 211 {
 212     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 213
 214     return IUnknown_AddRef(This->outer_unk);
 215 }
 216
 217 /**************************************************************************
 218  *  IShellFolder_fnRelease
 219  */
 220 static ULONG WINAPI IShellFolder_fnRelease(IShellFolder2 *iface)
 221 {
 222     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 223
 224     return IUnknown_Release(This->outer_unk);
 225 }
 226
 227 /**************************************************************************
 228  *  SHELL32_CreatePidlFromBindCtx  [internal]
 229  *
 230  *  If the caller bound File System Bind Data, assume it is the
 231  *   find data for the path.
 232  *  This allows binding of paths that don't exist.
 233  */
 234 LPITEMIDLIST SHELL32_CreatePidlFromBindCtx(IBindCtx *pbc, LPCWSTR path)
 235 {
 236     static WCHAR szfsbc[] = {
 237         'F','i','l','e',' ','S','y','s','t','e','m',' ',
 238         'B','i','n','d',' ','D','a','t','a',0 };
 239     IFileSystemBindData *fsbd = NULL;
 240     LPITEMIDLIST pidl = NULL;
 241     IUnknown *unk = NULL;
 242     HRESULT r;
 243
 244     TRACE("%p %s\n", pbc, debugstr_w(path));
 245
 246     if (!pbc)
 247         return NULL;
 248
 249     /* see if the caller bound File System Bind Data */
 250     r = IBindCtx_GetObjectParam( pbc, szfsbc, &unk );
 251     if (FAILED(r))
 252         return NULL;
 253
 254     r = IUnknown_QueryInterface( unk, &IID_IFileSystemBindData, (void**)&fsbd );
 255     if (SUCCEEDED(r))
 256     {
 257         WIN32_FIND_DATAW wfd;
 258
 259         r = IFileSystemBindData_GetFindData( fsbd, &wfd );
 260         if (SUCCEEDED(r))
 261         {
 262             lstrcpynW( &wfd.cFileName[0], path, MAX_PATH );
 263             pidl = _ILCreateFromFindDataW( &wfd );
 264         }
 265         IFileSystemBindData_Release( fsbd );
 266     }
 267     IUnknown_Release( unk );
 268
 269     return pidl;
 270 }
 271
 272 /**************************************************************************
 273 * IShellFolder_ParseDisplayName {SHELL32}
 274 *
 275 * Parse a display name.
 276 *
 277 * PARAMS
 278 *  hwndOwner       [in]  Parent window for any message's
 279 *  pbc             [in]  optional FileSystemBindData context
 280 *  lpszDisplayName [in]  Unicode displayname.
 281 *  pchEaten        [out] (unicode) characters processed
 282 *  ppidl           [out] complex pidl to item
 283 *  pdwAttributes   [out] items attributes
 284 *
 285 * NOTES
 286 *  Every folder tries to parse only its own (the leftmost) pidl and creates a
 287 *  subfolder to evaluate the remaining parts.
 288 *  Now we can parse into namespaces implemented by shell extensions
 289 *
 290 *  Behaviour on win98: lpszDisplayName=NULL -> crash
 291 *                      lpszDisplayName="" -> returns mycoputer-pidl
 292 *
 293 * FIXME
 294 *    pdwAttributes is not set
 295 *    pchEaten is not set like in windows
 296 */
 297 static HRESULT WINAPI
 298 IShellFolder_fnParseDisplayName (IShellFolder2 * iface,
 299                                  HWND hwndOwner,
 300                                  LPBC pbc,
 301                                  LPOLESTR lpszDisplayName,
 302                                  DWORD * pchEaten, LPITEMIDLIST * ppidl,
 303                                  DWORD * pdwAttributes)
 304 {
 305     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 306
 307     HRESULT hr = E_INVALIDARG;
 308     LPCWSTR szNext = NULL;
 309     WCHAR szElement[MAX_PATH];
 310     WCHAR szPath[MAX_PATH];
 311     LPITEMIDLIST pidlTemp = NULL;
 312     DWORD len;
 313
 314     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 315      This, hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName),
 316      pchEaten, ppidl, pdwAttributes);
 317
 318     if (!lpszDisplayName || !ppidl)
 319         return E_INVALIDARG;
 320
 321     if (pchEaten)
 322         *pchEaten = 0; /* strange but like the original */
 323
 324     pidlTemp = SHELL32_CreatePidlFromBindCtx(pbc, lpszDisplayName);
 325     if (!pidlTemp && *lpszDisplayName)
 326     {
 327         /* get the next element */
 328         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 329
 330         /* build the full pathname to the element */
 331         lstrcpynW(szPath, This->sPathTarget, MAX_PATH - 1);
 332         PathAddBackslashW(szPath);
 333         len = lstrlenW(szPath);
 334         lstrcpynW(szPath + len, szElement, MAX_PATH - len);
 335
 336         /* get the pidl */
 337         hr = _ILCreateFromPathW(szPath, &pidlTemp);
 338
 339         if (SUCCEEDED(hr)) {
 340             if (szNext && *szNext) {
 341                 /* try to analyse the next element */
 342                 hr = SHELL32_ParseNextElement (iface, hwndOwner, pbc,
 343                  &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 344             } else {
 345                 /* it's the last element */
 346                 if (pdwAttributes && *pdwAttributes) {
 347                     hr = SHELL32_GetItemAttributes((IShellFolder *)&This->IShellFolder2_iface,
 348                             pidlTemp, pdwAttributes);
 349                 }
 350             }
 351         }
 352     }
 353
 354     if (SUCCEEDED(hr))
 355         *ppidl = pidlTemp;
 356     else
 357         *ppidl = NULL;
 358
 359     TRACE ("(%p)->(-- pidl=%p ret=0x%08x)\n", This, *ppidl, hr);
 360
 361     return hr;
 362 }
 363
 364 /**************************************************************************
 365 * IShellFolder_fnEnumObjects
 366 * PARAMETERS
 367 *  HWND          hwndOwner,    //[in ] Parent Window
 368 *  DWORD         grfFlags,     //[in ] SHCONTF enumeration mask
 369 *  LPENUMIDLIST* ppenumIDList  //[out] IEnumIDList interface
 370 */
 371 static HRESULT WINAPI
 372 IShellFolder_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner,
 373                             DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 374 {
 375     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 376     IEnumIDListImpl *list;
 377
 378     TRACE ("(%p)->(HWND=%p flags=0x%08x pplist=%p)\n", This, hwndOwner,
 379      dwFlags, ppEnumIDList);
 380
 381     if (!(list = IEnumIDList_Constructor()))
 382         return E_OUTOFMEMORY;
 383     CreateFolderEnumList(list, This->sPathTarget, dwFlags);
 384     *ppEnumIDList = &list->IEnumIDList_iface;
 385
 386     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 387
 388     return S_OK;
 389 }
 390
 391 /**************************************************************************
 392 * IShellFolder_fnBindToObject
 393 * PARAMETERS
 394 *  LPCITEMIDLIST pidl,       //[in ] relative pidl to open
 395 *  LPBC          pbc,        //[in ] optional FileSystemBindData context
 396 *  REFIID        riid,       //[in ] Initial Interface
 397 *  LPVOID*       ppvObject   //[out] Interface*
 398 */
 399 static HRESULT WINAPI
 400 IShellFolder_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 401                              LPBC pbc, REFIID riid, LPVOID * ppvOut)
 402 {
 403     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 404
 405     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbc,
 406      shdebugstr_guid (riid), ppvOut);
 407
 408     return SHELL32_BindToChild (This->pidlRoot, This->sPathTarget, pidl, riid,
 409      ppvOut);
 410 }
 411
 412 /**************************************************************************
 413 *  IShellFolder_fnBindToStorage
 414 * PARAMETERS
 415 *  LPCITEMIDLIST pidl,       //[in ] complex pidl to store
 416 *  LPBC          pbc,        //[in ] reserved
 417 *  REFIID        riid,       //[in ] Initial storage interface
 418 *  LPVOID*       ppvObject   //[out] Interface* returned
 419 */
 420 static HRESULT WINAPI
 421 IShellFolder_fnBindToStorage (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 422                               LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 423 {
 424     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 425
 426     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved,
 427      shdebugstr_guid (riid), ppvOut);
 428
 429     *ppvOut = NULL;
 430     return E_NOTIMPL;
 431 }
 432
 433 /**************************************************************************
 434 *  IShellFolder_fnCompareIDs
 435 */
 436
 437 static HRESULT WINAPI
 438 IShellFolder_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam,
 439                            LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 440 {
 441     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 442
 443     int nReturn;
 444
 445     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 446     nReturn = SHELL32_CompareIDs(&This->IShellFolder2_iface, lParam, pidl1, pidl2);
 447     TRACE ("-- %i\n", nReturn);
 448     return nReturn;
 449 }
 450
 451 /**************************************************************************
 452 * IShellFolder_fnCreateViewObject
 453 */
 454 static HRESULT WINAPI
 455 IShellFolder_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner,
 456                                  REFIID riid, LPVOID * ppvOut)
 457 {
 458     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 459
 460     LPSHELLVIEW pShellView;
 461     HRESULT hr = E_INVALIDARG;
 462
 463     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid),
 464      ppvOut);
 465
 466     if (ppvOut) {
 467         *ppvOut = NULL;
 468
 469         if (IsEqualIID (riid, &IID_IDropTarget)) {
 470             hr = IShellFolder2_QueryInterface (iface, &IID_IDropTarget, ppvOut);
 471         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
 472             FIXME ("IContextMenu not implemented\n");
 473             hr = E_NOTIMPL;
 474         } else if (IsEqualIID (riid, &IID_IShellView)) {
 475             pShellView = IShellView_Constructor ((IShellFolder *) iface);
 476             if (pShellView) {
 477                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 478                 IShellView_Release (pShellView);
 479             }
 480         }
 481     }
 482     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 483     return hr;
 484 }
 485
 486 /**************************************************************************
 487 *  IShellFolder_fnGetAttributesOf
 488 *
 489 * PARAMETERS
 490 *  UINT            cidl,     //[in ] num elements in pidl array
 491 *  LPCITEMIDLIST*  apidl,    //[in ] simple pidl array
 492 *  ULONG*          rgfInOut) //[out] result array
 493 *
 494 */
 495 static HRESULT WINAPI
 496 IShellFolder_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl,
 497                                 LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 498 {
 499     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 500
 501     HRESULT hr = S_OK;
 502
 503     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n", This, cidl, apidl,
 504      rgfInOut, rgfInOut ? *rgfInOut : 0);
 505
 506     if (!rgfInOut)
 507         return E_INVALIDARG;
 508     if (cidl && !apidl)
 509         return E_INVALIDARG;
 510
 511     if (*rgfInOut == 0)
 512         *rgfInOut = ~0;
 513
 514     if(cidl == 0){
 515         IShellFolder *psfParent = NULL;
 516         LPCITEMIDLIST rpidl = NULL;
 517
 518         hr = SHBindToParent(This->pidlRoot, &IID_IShellFolder, (LPVOID*)&psfParent, &rpidl);
 519         if(SUCCEEDED(hr)) {
 520             SHELL32_GetItemAttributes (psfParent, rpidl, rgfInOut);
 521             IShellFolder_Release(psfParent);
 522         }
 523     }
 524     else {
 525         while (cidl > 0 && *apidl) {
 526             pdump (*apidl);
 527             SHELL32_GetItemAttributes((IShellFolder *)&This->IShellFolder2_iface, *apidl, rgfInOut);
 528             apidl++;
 529             cidl--;
 530         }
 531     }
 532     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
 533     *rgfInOut &= ~SFGAO_VALIDATE;
 534
 535     TRACE ("-- result=0x%08x\n", *rgfInOut);
 536
 537     return hr;
 538 }
 539
 540 /**************************************************************************
 541  * SHELL32_CreateExtensionUIObject (internal)
 542  */
 543 HRESULT SHELL32_CreateExtensionUIObject(IShellFolder2 *iface,
 544         LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppvOut)
 545 {
 546     static const WCHAR reg_blockedW[] = {'S','o','f','t','w','a','r','e','\\',
 547         'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 548         'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 549         'S','h','e','l','l',' ','E','x','t','e','n','s','i','o','n','s','\\',
 550         'B','l','o','c','k','e','d',0};
 551     static const WCHAR formatW[] = {'.','%','s','\\','S','h','e','l','l','E','x','\\',
 552         '{','%','0','8','x','-','%','0','4','x','-','%','0','4','x','-',
 553         '%','0','2','x','%','0','2','x','-','%','0','2','x','%','0','2','x',
 554         '%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','}',0};
 555
 556     IPersistFile *persist_file;
 557     char extensionA[20];
 558     WCHAR extensionW[20], buf[MAX_PATH];
 559     DWORD size = MAX_PATH;
 560     STRRET path;
 561     WCHAR *file;
 562     GUID guid;
 563     HKEY key;
 564     HRESULT hr;
 565
 566
 567     if(!_ILGetExtension(pidl, extensionA, 20))
 568         return S_FALSE;
 569
 570     MultiByteToWideChar(CP_ACP, 0, extensionA, -1, extensionW, 20);
 571
 572     sprintfW(buf, formatW, extensionW, riid->Data1, riid->Data2, riid->Data3,
 573             riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
 574             riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]);
 575
 576     if(RegGetValueW(HKEY_CLASSES_ROOT, buf, NULL, RRF_RT_REG_SZ,
 577                 NULL, buf, &size) != ERROR_SUCCESS)
 578         return S_FALSE;
 579
 580     if(RegCreateKeyExW(HKEY_LOCAL_MACHINE, reg_blockedW, 0, 0, 0,
 581                 KEY_READ, NULL, &key, NULL) != ERROR_SUCCESS)
 582         return E_FAIL;
 583     if(RegQueryValueExW(key, buf, 0, NULL, NULL, NULL)
 584             != ERROR_FILE_NOT_FOUND)
 585         return E_ACCESSDENIED;
 586     RegCloseKey(key);
 587
 588     if(RegCreateKeyExW(HKEY_CURRENT_USER, reg_blockedW, 0, 0, 0,
 589                 KEY_READ, NULL, &key, NULL) != ERROR_SUCCESS)
 590         return E_FAIL;
 591     if(RegQueryValueExW(key, buf, 0, NULL, NULL, NULL)
 592             != ERROR_FILE_NOT_FOUND)
 593         return E_ACCESSDENIED;
 594     RegCloseKey(key);
 595
 596     if(!GUIDFromStringW(buf, &guid))
 597         return E_FAIL;
 598
 599     hr = CoCreateInstance(&guid, NULL, CLSCTX_INPROC_SERVER,
 600             &IID_IPersistFile, (void**)&persist_file);
 601     if(FAILED(hr))
 602         return hr;
 603
 604     hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_FORPARSING, &path);
 605     if(SUCCEEDED(hr))
 606         hr = StrRetToStrW(&path, NULL, &file);
 607     if(FAILED(hr)) {
 608         IPersistFile_Release(persist_file);
 609         return hr;
 610     }
 611
 612     hr = IPersistFile_Load(persist_file, file, STGM_READ);
 613     CoTaskMemFree(file);
 614     if(FAILED(hr)) {
 615         IPersistFile_Release(persist_file);
 616         return hr;
 617     }
 618
 619     hr = IPersistFile_QueryInterface(persist_file, riid, ppvOut);
 620     IPersistFile_Release(persist_file);
 621     return hr;
 622 }
 623
 624 /**************************************************************************
 625 *  IShellFolder_fnGetUIObjectOf
 626 *
 627 * PARAMETERS
 628 *  HWND           hwndOwner, //[in ] Parent window for any output
 629 *  UINT           cidl,      //[in ] array size
 630 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 631 *  REFIID         riid,      //[in ] Requested Interface
 632 *  UINT*          prgfInOut, //[   ] reserved
 633 *  LPVOID*        ppvObject) //[out] Resulting Interface
 634 *
 635 * NOTES
 636 *  This function gets asked to return "view objects" for one or more (multiple
 637 *  select) items:
 638 *  The viewobject typically is an COM object with one of the following
 639 *  interfaces:
 640 *  IExtractIcon,IDataObject,IContextMenu
 641 *  In order to support icon positions in the default Listview your DataObject
 642 *  must implement the SetData method (in addition to GetData :) - the shell
 643 *  passes a barely documented "Icon positions" structure to SetData when the
 644 *  drag starts, and GetData's it if the drop is in another explorer window that
 645 *  needs the positions.
 646 */
 647 static HRESULT WINAPI
 648 IShellFolder_fnGetUIObjectOf (IShellFolder2 * iface,
 649                               HWND hwndOwner,
 650                               UINT cidl, LPCITEMIDLIST * apidl, REFIID riid,
 651                               UINT * prgfInOut, LPVOID * ppvOut)
 652 {
 653     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 654
 655     LPITEMIDLIST pidl;
 656     IUnknown *pObj = NULL;
 657     HRESULT hr = E_INVALIDARG;
 658
 659     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 660      This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 661
 662     if (ppvOut) {
 663         *ppvOut = NULL;
 664
 665         if(cidl == 1) {
 666             hr = SHELL32_CreateExtensionUIObject(iface, *apidl, riid, ppvOut);
 667             if(hr != S_FALSE)
 668                 return hr;
 669         }
 670
 671         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
 672             return ItemMenu_Constructor((IShellFolder*)iface, This->pidlRoot, apidl, cidl, riid, ppvOut);
 673         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
 674             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner,
 675              This->pidlRoot, apidl, cidl);
 676             hr = S_OK;
 677         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
 678             pidl = ILCombine (This->pidlRoot, apidl[0]);
 679             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 680             SHFree (pidl);
 681             hr = S_OK;
 682         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
 683             pidl = ILCombine (This->pidlRoot, apidl[0]);
 684             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 685             SHFree (pidl);
 686             hr = S_OK;
 687         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
 688             hr = IShellFolder2_QueryInterface (iface, &IID_IDropTarget,
 689              (LPVOID *) & pObj);
 690         } else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
 691          IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1)) {
 692             pidl = ILCombine (This->pidlRoot, apidl[0]);
 693             hr = IShellLink_ConstructFromFile(NULL, riid, pidl, &pObj);
 694             SHFree (pidl);
 695         } else {
 696             hr = E_NOINTERFACE;
 697         }
 698
 699         if (SUCCEEDED(hr) && !pObj)
 700             hr = E_OUTOFMEMORY;
 701
 702         *ppvOut = pObj;
 703     }
 704     TRACE ("(%p)->hr=0x%08x\n", This, hr);
 705     return hr;
 706 }
 707
 708 static const WCHAR AdvancedW[] = { 'S','O','F','T','W','A','R','E',
 709  '\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 710  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l',
 711  'o','r','e','r','\\','A','d','v','a','n','c','e','d',0 };
 712 static const WCHAR HideFileExtW[] = { 'H','i','d','e','F','i','l','e','E','x',
 713  't',0 };
 714 static const WCHAR NeverShowExtW[] = { 'N','e','v','e','r','S','h','o','w','E',
 715  'x','t',0 };
 716
 717 /******************************************************************************
 718  * SHELL_FS_HideExtension [Internal]
 719  *
 720  * Query the registry if the filename extension of a given path should be
 721  * hidden.
 722  *
 723  * PARAMS
 724  *  szPath [I] Relative or absolute path of a file
 725  *
 726  * RETURNS
 727  *  TRUE, if the filename's extension should be hidden
 728  *  FALSE, otherwise.
 729  */
 730 BOOL SHELL_FS_HideExtension(LPCWSTR szPath)
 731 {
 732     HKEY hKey;
 733     DWORD dwData;
 734     DWORD dwDataSize = sizeof (DWORD);
 735     BOOL doHide = FALSE; /* The default value is FALSE (win98 at least) */
 736
 737     if (!RegCreateKeyExW(HKEY_CURRENT_USER, AdvancedW, 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0)) {
 738         if (!RegQueryValueExW(hKey, HideFileExtW, 0, 0, (LPBYTE) &dwData, &dwDataSize))
 739             doHide = dwData;
 740         RegCloseKey (hKey);
 741     }
 742
 743     if (!doHide) {
 744         LPWSTR ext = PathFindExtensionW(szPath);
 745
 746         if (*ext != '\0') {
 747             WCHAR classname[MAX_PATH];
 748             LONG classlen = sizeof(classname);
 749
 750             if (!RegQueryValueW(HKEY_CLASSES_ROOT, ext, classname, &classlen))
 751                 if (!RegOpenKeyW(HKEY_CLASSES_ROOT, classname, &hKey)) {
 752                     if (!RegQueryValueExW(hKey, NeverShowExtW, 0, NULL, NULL, NULL))
 753                         doHide = TRUE;
 754                     RegCloseKey(hKey);
 755                 }
 756         }
 757     }
 758     return doHide;
 759 }
 760
 761 void SHELL_FS_ProcessDisplayFilename(LPWSTR szPath, DWORD dwFlags)
 762 {
 763     /*FIXME: MSDN also mentions SHGDN_FOREDITING which is not yet handled. */
 764     if (!(dwFlags & SHGDN_FORPARSING) &&
 765         ((dwFlags & SHGDN_INFOLDER) || (dwFlags == SHGDN_NORMAL))) {
 766         if (SHELL_FS_HideExtension(szPath) && szPath[0] != '.')
 767             PathRemoveExtensionW(szPath);
 768     }
 769 }
 770
 771 /**************************************************************************
 772 *  IShellFolder_fnGetDisplayNameOf
 773 *  Retrieves the display name for the specified file object or subfolder
 774 *
 775 * PARAMETERS
 776 *  LPCITEMIDLIST pidl,    //[in ] complex pidl to item
 777 *  DWORD         dwFlags, //[in ] SHGNO formatting flags
 778 *  LPSTRRET      lpName)  //[out] Returned display name
 779 *
 780 * FIXME
 781 *  if the name is in the pidl the ret value should be a STRRET_OFFSET
 782 */
 783
 784 static HRESULT WINAPI
 785 IShellFolder_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 786                                  DWORD dwFlags, LPSTRRET strRet)
 787 {
 788     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 789     LPWSTR pszPath;
 790
 791     HRESULT hr = S_OK;
 792     int len = 0;
 793
 794     TRACE ("(%p)->(pidl=%p,0x%08x,%p)\n", This, pidl, dwFlags, strRet);
 795     pdump (pidl);
 796
 797     if (!pidl || !strRet)
 798         return E_INVALIDARG;
 799
 800     pszPath = CoTaskMemAlloc((MAX_PATH +1) * sizeof(WCHAR));
 801     if (!pszPath)
 802         return E_OUTOFMEMORY;
 803
 804     if (_ILIsDesktop(pidl)) { /* empty pidl */
 805         if ((GET_SHGDN_FOR(dwFlags) & SHGDN_FORPARSING) &&
 806             (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER))
 807         {
 808             if (This->sPathTarget)
 809                 lstrcpynW(pszPath, This->sPathTarget, MAX_PATH);
 810         } else {
 811             /* pidl has to contain exactly one non null SHITEMID */
 812             hr = E_INVALIDARG;
 813         }
 814     } else if (_ILIsPidlSimple(pidl)) {
 815         if ((GET_SHGDN_FOR(dwFlags) & SHGDN_FORPARSING) &&
 816             (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER) &&
 817             This->sPathTarget)
 818         {
 819             lstrcpynW(pszPath, This->sPathTarget, MAX_PATH);
 820             PathAddBackslashW(pszPath);
 821             len = lstrlenW(pszPath);
 822         }
 823         _ILSimpleGetTextW(pidl, pszPath + len, MAX_PATH + 1 - len);
 824         if (!_ILIsFolder(pidl)) SHELL_FS_ProcessDisplayFilename(pszPath, dwFlags);
 825     } else {
 826         hr = SHELL32_GetDisplayNameOfChild(iface, pidl, dwFlags, pszPath, MAX_PATH);
 827     }
 828
 829     if (SUCCEEDED(hr)) {
 830         /* Win9x always returns ANSI strings, NT always returns Unicode strings */
 831         if (GetVersion() & 0x80000000) {
 832             strRet->uType = STRRET_CSTR;
 833             if (!WideCharToMultiByte(CP_ACP, 0, pszPath, -1, strRet->u.cStr, MAX_PATH,
 834                  NULL, NULL))
 835                 strRet->u.cStr[0] = '\0';
 836             CoTaskMemFree(pszPath);
 837         } else {
 838             strRet->uType = STRRET_WSTR;
 839             strRet->u.pOleStr = pszPath;
 840         }
 841     } else
 842         CoTaskMemFree(pszPath);
 843
 844     TRACE ("-- (%p)->(%s)\n", This, strRet->uType == STRRET_CSTR ? strRet->u.cStr : debugstr_w(strRet->u.pOleStr));
 845     return hr;
 846 }
 847
 848 /**************************************************************************
 849 *  IShellFolder_fnSetNameOf
 850 *  Changes the name of a file object or subfolder, possibly changing its item
 851 *  identifier in the process.
 852 *
 853 * PARAMETERS
 854 *  HWND          hwndOwner,  //[in ] Owner window for output
 855 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 856 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 857 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 858 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 859 */
 860 static HRESULT WINAPI IShellFolder_fnSetNameOf (IShellFolder2 * iface,
 861                                                 HWND hwndOwner,
 862                                                 LPCITEMIDLIST pidl,
 863                                                 LPCOLESTR lpName,
 864                                                 DWORD dwFlags,
 865                                                 LPITEMIDLIST * pPidlOut)
 866 {
 867     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 868     WCHAR szSrc[MAX_PATH + 1], szDest[MAX_PATH + 1];
 869     LPWSTR ptr;
 870     BOOL bIsFolder = _ILIsFolder (ILFindLastID (pidl));
 871
 872     TRACE ("(%p)->(%p,pidl=%p,%s,%u,%p)\n", This, hwndOwner, pidl,
 873      debugstr_w (lpName), dwFlags, pPidlOut);
 874
 875     /* build source path */
 876     lstrcpynW(szSrc, This->sPathTarget, MAX_PATH);
 877     ptr = PathAddBackslashW (szSrc);
 878     if (ptr)
 879         _ILSimpleGetTextW (pidl, ptr, MAX_PATH + 1 - (ptr - szSrc));
 880
 881     /* build destination path */
 882     if (dwFlags == SHGDN_NORMAL || dwFlags & SHGDN_INFOLDER) {
 883         lstrcpynW(szDest, This->sPathTarget, MAX_PATH);
 884         ptr = PathAddBackslashW (szDest);
 885         if (ptr)
 886             lstrcpynW(ptr, lpName, MAX_PATH + 1 - (ptr - szDest));
 887     } else
 888         lstrcpynW(szDest, lpName, MAX_PATH);
 889
 890     if(!(dwFlags & SHGDN_FORPARSING) && SHELL_FS_HideExtension(szSrc)) {
 891         WCHAR *ext = PathFindExtensionW(szSrc);
 892         if(*ext != '\0') {
 893             INT len = strlenW(szDest);
 894             lstrcpynW(szDest + len, ext, MAX_PATH - len);
 895         }
 896     }
 897
 898     TRACE ("src=%s dest=%s\n", debugstr_w(szSrc), debugstr_w(szDest));
 899
 900     if (MoveFileW (szSrc, szDest)) {
 901         HRESULT hr = S_OK;
 902
 903         if (pPidlOut)
 904             hr = _ILCreateFromPathW(szDest, pPidlOut);
 905
 906         SHChangeNotify (bIsFolder ? SHCNE_RENAMEFOLDER : SHCNE_RENAMEITEM,
 907          SHCNF_PATHW, szSrc, szDest);
 908
 909         return hr;
 910     }
 911
 912     return E_FAIL;
 913 }
 914
 915 static HRESULT WINAPI IShellFolder_fnGetDefaultSearchGUID (IShellFolder2 *iface,
 916                                                            GUID * pguid)
 917 {
 918     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 919     FIXME ("(%p)\n", This);
 920     return E_NOTIMPL;
 921 }
 922 static HRESULT WINAPI IShellFolder_fnEnumSearches (IShellFolder2 * iface,
 923                                                    IEnumExtraSearch ** ppenum)
 924 {
 925     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 926     FIXME ("(%p)\n", This);
 927     return E_NOTIMPL;
 928 }
 929
 930 static HRESULT WINAPI
 931 IShellFolder_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes,
 932                                  ULONG * pSort, ULONG * pDisplay)
 933 {
 934     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 935
 936     TRACE ("(%p)\n", This);
 937
 938     if (pSort)
 939         *pSort = 0;
 940     if (pDisplay)
 941         *pDisplay = 0;
 942
 943     return S_OK;
 944 }
 945
 946 static HRESULT WINAPI
 947 IShellFolder_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn,
 948                                       DWORD * pcsFlags)
 949 {
 950     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 951
 952     TRACE ("(%p)\n", This);
 953
 954     if (!pcsFlags || iColumn >= GENERICSHELLVIEWCOLUMNS)
 955         return E_INVALIDARG;
 956
 957     *pcsFlags = GenericSFHeader[iColumn].pcsFlags;
 958
 959     return S_OK;
 960 }
 961
 962 static HRESULT WINAPI
 963 IShellFolder_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 964                              const SHCOLUMNID * pscid, VARIANT * pv)
 965 {
 966     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 967     FIXME ("(%p)\n", This);
 968
 969     return E_NOTIMPL;
 970 }
 971
 972 static HRESULT WINAPI
 973 IShellFolder_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 974                              UINT iColumn, SHELLDETAILS * psd)
 975 {
 976     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 977     HRESULT hr = E_FAIL;
 978
 979     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 980
 981     if (!psd || iColumn >= GENERICSHELLVIEWCOLUMNS)
 982         return E_INVALIDARG;
 983
 984     if (!pidl) {
 985         /* the header titles */
 986         psd->fmt = GenericSFHeader[iColumn].fmt;
 987         psd->cxChar = GenericSFHeader[iColumn].cxChar;
 988         psd->str.uType = STRRET_CSTR;
 989         LoadStringA (shell32_hInstance, GenericSFHeader[iColumn].colnameid,
 990          psd->str.u.cStr, MAX_PATH);
 991         return S_OK;
 992     } else {
 993         hr = S_OK;
 994         psd->str.uType = STRRET_CSTR;
 995         /* the data from the pidl */
 996         switch (iColumn) {
 997         case 0:                /* name */
 998             hr = IShellFolder2_GetDisplayNameOf (iface, pidl,
 999              SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
1000             break;
1001         case 1:                /* size */
1002             _ILGetFileSize (pidl, psd->str.u.cStr, MAX_PATH);
1003             break;
1004         case 2:                /* type */
1005             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
1006             break;
1007         case 3:                /* date */
1008             _ILGetFileDate (pidl, psd->str.u.cStr, MAX_PATH);
1009             break;
1010         case 4:                /* attributes */
1011             _ILGetFileAttributes (pidl, psd->str.u.cStr, MAX_PATH);
1012             break;
1013         }
1014     }
1015
1016     return hr;
1017 }
1018
1019 static HRESULT WINAPI
1020 IShellFolder_fnMapColumnToSCID (IShellFolder2 * iface, UINT column,
1021                                 SHCOLUMNID * pscid)
1022 {
1023     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
1024     FIXME ("(%p)\n", This);
1025     return E_NOTIMPL;
1026 }
1027
1028 static const IShellFolder2Vtbl sfvt =
1029 {
1030     IShellFolder_fnQueryInterface,
1031     IShellFolder_fnAddRef,
1032     IShellFolder_fnRelease,
1033     IShellFolder_fnParseDisplayName,
1034     IShellFolder_fnEnumObjects,
1035     IShellFolder_fnBindToObject,
1036     IShellFolder_fnBindToStorage,
1037     IShellFolder_fnCompareIDs,
1038     IShellFolder_fnCreateViewObject,
1039     IShellFolder_fnGetAttributesOf,
1040     IShellFolder_fnGetUIObjectOf,
1041     IShellFolder_fnGetDisplayNameOf,
1042     IShellFolder_fnSetNameOf,
1043     /* ShellFolder2 */
1044     IShellFolder_fnGetDefaultSearchGUID,
1045     IShellFolder_fnEnumSearches,
1046     IShellFolder_fnGetDefaultColumn,
1047     IShellFolder_fnGetDefaultColumnState,
1048     IShellFolder_fnGetDetailsEx,
1049     IShellFolder_fnGetDetailsOf,
1050     IShellFolder_fnMapColumnToSCID
1051 };
1052
1053 /****************************************************************************
1054  * ISFHelper for IShellFolder implementation
1055  */
1056
1057 static HRESULT WINAPI ISFHelper_fnQueryInterface(ISFHelper *iface, REFIID riid, void **ppvObj)
1058 {
1059     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1060
1061     return IUnknown_QueryInterface(This->outer_unk, riid, ppvObj);
1062 }
1063
1064 static ULONG WINAPI ISFHelper_fnAddRef(ISFHelper *iface)
1065 {
1066     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1067
1068     return IUnknown_AddRef(This->outer_unk);
1069 }
1070
1071 static ULONG WINAPI ISFHelper_fnRelease(ISFHelper *iface)
1072 {
1073     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1074
1075     return IUnknown_Release(This->outer_unk);
1076 }
1077
1078 /****************************************************************************
1079  * ISFHelper_fnGetUniqueName
1080  *
1081  * creates a unique folder name
1082  */
1083
1084 static HRESULT WINAPI
1085 ISFHelper_fnGetUniqueName (ISFHelper * iface, LPWSTR pwszName, UINT uLen)
1086 {
1087     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1088     IEnumIDList *penum;
1089     HRESULT hr;
1090     WCHAR wszText[MAX_PATH];
1091     WCHAR wszNewFolder[25];
1092     const WCHAR wszFormat[] = {'%','s',' ','%','d',0 };
1093
1094     TRACE ("(%p)(%p %u)\n", This, pwszName, uLen);
1095
1096     LoadStringW(shell32_hInstance, IDS_NEWFOLDER, wszNewFolder,  sizeof(wszNewFolder)/sizeof(WCHAR));
1097     if (uLen < sizeof(wszNewFolder)/sizeof(WCHAR) + 3)
1098         return E_POINTER;
1099
1100     lstrcpynW (pwszName, wszNewFolder, uLen);
1101
1102     hr = IShellFolder2_EnumObjects(&This->IShellFolder2_iface, 0,
1103             SHCONTF_FOLDERS | SHCONTF_NONFOLDERS | SHCONTF_INCLUDEHIDDEN, &penum);
1104     if (penum) {
1105         LPITEMIDLIST pidl;
1106         DWORD dwFetched;
1107         int i = 1;
1108
1109 next:
1110         IEnumIDList_Reset (penum);
1111         while (S_OK == IEnumIDList_Next (penum, 1, &pidl, &dwFetched) &&
1112          dwFetched) {
1113             _ILSimpleGetTextW (pidl, wszText, MAX_PATH);
1114             if (0 == lstrcmpiW (wszText, pwszName)) {
1115                 snprintfW (pwszName, uLen, wszFormat, wszNewFolder, i++);
1116                 if (i > 99) {
1117                     hr = E_FAIL;
1118                     break;
1119                 }
1120                 goto next;
1121             }
1122         }
1123
1124         IEnumIDList_Release (penum);
1125     }
1126     return hr;
1127 }
1128
1129 /****************************************************************************
1130  * ISFHelper_fnAddFolder
1131  *
1132  * adds a new folder.
1133  */
1134
1135 static HRESULT WINAPI
1136 ISFHelper_fnAddFolder (ISFHelper * iface, HWND hwnd, LPCWSTR pwszName,
1137                        LPITEMIDLIST * ppidlOut)
1138 {
1139     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1140     WCHAR wszNewDir[MAX_PATH];
1141     BOOL bRes;
1142     HRESULT hres = E_FAIL;
1143
1144     TRACE ("(%p)(%s %p)\n", This, debugstr_w(pwszName), ppidlOut);
1145
1146     wszNewDir[0] = 0;
1147     if (This->sPathTarget)
1148         lstrcpynW(wszNewDir, This->sPathTarget, MAX_PATH);
1149     PathAppendW(wszNewDir, pwszName);
1150
1151     bRes = CreateDirectoryW (wszNewDir, NULL);
1152     if (bRes) {
1153         LPITEMIDLIST relPidl;
1154
1155         lstrcpyW(wszNewDir, pwszName);
1156
1157         hres = IShellFolder2_ParseDisplayName(&This->IShellFolder2_iface, hwnd, NULL, wszNewDir,
1158                 NULL, &relPidl, NULL);
1159
1160         if (SUCCEEDED(hres)) {
1161             LPITEMIDLIST fullPidl;
1162
1163             fullPidl = ILCombine(This->pidlRoot, relPidl);
1164
1165             if (fullPidl) {
1166                 SHChangeNotify(SHCNE_MKDIR, SHCNF_IDLIST, fullPidl, NULL);
1167                 ILFree(fullPidl);
1168
1169                 if (ppidlOut)
1170                     *ppidlOut = relPidl;
1171                 else
1172                     ILFree(relPidl);
1173             } else {
1174                 WARN("failed to combine %s into a full PIDL\n", wine_dbgstr_w(pwszName));
1175                 ILFree(relPidl);
1176             }
1177
1178         } else
1179             WARN("failed to parse %s into a PIDL\n", wine_dbgstr_w(pwszName));
1180
1181     } else {
1182         WCHAR wszText[128 + MAX_PATH];
1183         WCHAR wszTempText[128];
1184         WCHAR wszCaption[256];
1185
1186         /* Cannot Create folder because of permissions */
1187         LoadStringW (shell32_hInstance, IDS_CREATEFOLDER_DENIED, wszTempText,
1188          sizeof (wszTempText)/sizeof (wszTempText[0]));
1189         LoadStringW (shell32_hInstance, IDS_CREATEFOLDER_CAPTION, wszCaption,
1190          sizeof (wszCaption)/sizeof (wszCaption[0]));
1191         sprintfW (wszText, wszTempText, wszNewDir);
1192         MessageBoxW (hwnd, wszText, wszCaption, MB_OK | MB_ICONEXCLAMATION);
1193     }
1194
1195     return hres;
1196 }
1197
1198 /****************************************************************************
1199  * build_paths_list
1200  *
1201  * Builds a list of paths like the one used in SHFileOperation from a table of
1202  * PIDLs relative to the given base folder
1203  */
1204 static WCHAR *build_paths_list(LPCWSTR wszBasePath, int cidl, const LPCITEMIDLIST *pidls)
1205 {
1206     WCHAR *wszPathsList;
1207     WCHAR *wszListPos;
1208     int iPathLen;
1209     int i;
1210
1211     iPathLen = lstrlenW(wszBasePath);
1212     wszPathsList = HeapAlloc(GetProcessHeap(), 0, MAX_PATH*sizeof(WCHAR)*cidl+1);
1213     wszListPos = wszPathsList;
1214
1215     for (i = 0; i < cidl; i++) {
1216         if (!_ILIsFolder(pidls[i]) && !_ILIsValue(pidls[i]))
1217             continue;
1218
1219         lstrcpynW(wszListPos, wszBasePath, MAX_PATH);
1220         /* FIXME: abort if path too long */
1221         _ILSimpleGetTextW(pidls[i], wszListPos+iPathLen, MAX_PATH-iPathLen);
1222         wszListPos += lstrlenW(wszListPos)+1;
1223     }
1224     *wszListPos=0;
1225     return wszPathsList;
1226 }
1227
1228 /****************************************************************************
1229  * ISFHelper_fnDeleteItems
1230  *
1231  * deletes items in folder
1232  */
1233 static HRESULT WINAPI
1234 ISFHelper_fnDeleteItems (ISFHelper * iface, UINT cidl, LPCITEMIDLIST * apidl)
1235 {
1236     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1237     UINT i;
1238     SHFILEOPSTRUCTW op;
1239     WCHAR wszPath[MAX_PATH];
1240     WCHAR *wszPathsList;
1241     HRESULT ret;
1242     WCHAR *wszCurrentPath;
1243
1244     TRACE ("(%p)(%u %p)\n", This, cidl, apidl);
1245     if (cidl==0) return S_OK;
1246
1247     if (This->sPathTarget)
1248         lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
1249     else
1250         wszPath[0] = '\0';
1251     PathAddBackslashW(wszPath);
1252     wszPathsList = build_paths_list(wszPath, cidl, apidl);
1253
1254     ZeroMemory(&op, sizeof(op));
1255     op.hwnd = GetActiveWindow();
1256     op.wFunc = FO_DELETE;
1257     op.pFrom = wszPathsList;
1258     op.fFlags = FOF_ALLOWUNDO;
1259     if (SHFileOperationW(&op))
1260     {
1261         WARN("SHFileOperation failed\n");
1262         ret = E_FAIL;
1263     }
1264     else
1265         ret = S_OK;
1266
1267     /* we currently need to manually send the notifies */
1268     wszCurrentPath = wszPathsList;
1269     for (i = 0; i < cidl; i++)
1270     {
1271         LONG wEventId;
1272
1273         if (_ILIsFolder(apidl[i]))
1274             wEventId = SHCNE_RMDIR;
1275         else if (_ILIsValue(apidl[i]))
1276             wEventId = SHCNE_DELETE;
1277         else
1278             continue;
1279
1280         /* check if file exists */
1281         if (GetFileAttributesW(wszCurrentPath) == INVALID_FILE_ATTRIBUTES)
1282         {
1283             LPITEMIDLIST pidl = ILCombine(This->pidlRoot, apidl[i]);
1284             SHChangeNotify(wEventId, SHCNF_IDLIST, pidl, NULL);
1285             SHFree(pidl);
1286         }
1287
1288         wszCurrentPath += lstrlenW(wszCurrentPath)+1;
1289     }
1290     HeapFree(GetProcessHeap(), 0, wszPathsList);
1291     return ret;
1292 }
1293
1294 /****************************************************************************
1295  * ISFHelper_fnCopyItems
1296  *
1297  * copies items to this folder
1298  */
1299 static HRESULT WINAPI
1300 ISFHelper_fnCopyItems (ISFHelper * iface, IShellFolder * pSFFrom, UINT cidl,
1301                        LPCITEMIDLIST * apidl)
1302 {
1303     HRESULT ret=E_FAIL;
1304     IPersistFolder2 *ppf2 = NULL;
1305     WCHAR wszSrcPathRoot[MAX_PATH],
1306       wszDstPath[MAX_PATH+1];
1307     WCHAR *wszSrcPathsList;
1308     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1309
1310     SHFILEOPSTRUCTW fop;
1311
1312     TRACE ("(%p)->(%p,%u,%p)\n", This, pSFFrom, cidl, apidl);
1313
1314     IShellFolder_QueryInterface (pSFFrom, &IID_IPersistFolder2,
1315      (LPVOID *) & ppf2);
1316     if (ppf2) {
1317         LPITEMIDLIST pidl;
1318
1319         if (SUCCEEDED (IPersistFolder2_GetCurFolder (ppf2, &pidl))) {
1320             SHGetPathFromIDListW (pidl, wszSrcPathRoot);
1321             ZeroMemory(wszDstPath, MAX_PATH+1);
1322             if (This->sPathTarget)
1323                 lstrcpynW(wszDstPath, This->sPathTarget, MAX_PATH);
1324             PathAddBackslashW(wszSrcPathRoot);
1325             PathAddBackslashW(wszDstPath);
1326             wszSrcPathsList = build_paths_list(wszSrcPathRoot, cidl, apidl);
1327             ZeroMemory(&fop, sizeof(fop));
1328             fop.hwnd = GetActiveWindow();
1329             fop.wFunc = FO_COPY;
1330             fop.pFrom = wszSrcPathsList;
1331             fop.pTo = wszDstPath;
1332             fop.fFlags = FOF_ALLOWUNDO;
1333             ret = S_OK;
1334             if(SHFileOperationW(&fop))
1335             {
1336                 WARN("Copy failed\n");
1337                 ret = E_FAIL;
1338             }
1339             HeapFree(GetProcessHeap(), 0, wszSrcPathsList);
1340
1341         }
1342         SHFree(pidl);
1343         IPersistFolder2_Release(ppf2);
1344     }
1345     return ret;
1346 }
1347
1348 static const ISFHelperVtbl shvt =
1349 {
1350     ISFHelper_fnQueryInterface,
1351     ISFHelper_fnAddRef,
1352     ISFHelper_fnRelease,
1353     ISFHelper_fnGetUniqueName,
1354     ISFHelper_fnAddFolder,
1355     ISFHelper_fnDeleteItems,
1356     ISFHelper_fnCopyItems
1357 };
1358
1359 /************************************************************************
1360  * IFSFldr_PersistFolder3_QueryInterface
1361  *
1362  */
1363 static HRESULT WINAPI IFSFldr_PersistFolder3_QueryInterface(IPersistFolder3 *iface, REFIID iid,
1364         void **ppv)
1365 {
1366     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1367
1368     return IUnknown_QueryInterface(This->outer_unk, iid, ppv);
1369 }
1370
1371 /************************************************************************
1372  * IFSFldr_PersistFolder3_AddRef
1373  *
1374  */
1375 static ULONG WINAPI IFSFldr_PersistFolder3_AddRef(IPersistFolder3 *iface)
1376 {
1377     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1378
1379     return IUnknown_AddRef(This->outer_unk);
1380 }
1381
1382 /************************************************************************
1383  * IFSFldr_PersistFolder3_Release
1384  *
1385  */
1386 static ULONG WINAPI IFSFldr_PersistFolder3_Release(IPersistFolder3 *iface)
1387 {
1388     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1389
1390     return IUnknown_Release(This->outer_unk);
1391 }
1392
1393 /************************************************************************
1394  * IFSFldr_PersistFolder3_GetClassID
1395  */
1396 static HRESULT WINAPI
1397 IFSFldr_PersistFolder3_GetClassID (IPersistFolder3 * iface, CLSID * lpClassId)
1398 {
1399     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1400
1401     TRACE ("(%p)\n", This);
1402
1403     if (!lpClassId)
1404         return E_POINTER;
1405     *lpClassId = *This->pclsid;
1406
1407     return S_OK;
1408 }
1409
1410 /************************************************************************
1411  * IFSFldr_PersistFolder3_Initialize
1412  *
1413  * NOTES
1414  *  sPathTarget is not set. Don't know how to handle in a non rooted environment.
1415  */
1416 static HRESULT WINAPI
1417 IFSFldr_PersistFolder3_Initialize (IPersistFolder3 * iface, LPCITEMIDLIST pidl)
1418 {
1419     WCHAR wszTemp[MAX_PATH];
1420
1421     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1422
1423     TRACE ("(%p)->(%p)\n", This, pidl);
1424
1425     SHFree (This->pidlRoot);     /* free the old pidl */
1426     This->pidlRoot = ILClone (pidl); /* set my pidl */
1427
1428     SHFree (This->sPathTarget);
1429     This->sPathTarget = NULL;
1430
1431     /* set my path */
1432     if (SHGetPathFromIDListW (pidl, wszTemp)) {
1433         int len = strlenW(wszTemp);
1434         This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1435         if (!This->sPathTarget)
1436             return E_OUTOFMEMORY;
1437         memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1438     }
1439
1440     TRACE ("--(%p)->(%s)\n", This, debugstr_w(This->sPathTarget));
1441     return S_OK;
1442 }
1443
1444 /**************************************************************************
1445  * IFSFldr_PersistFolder3_GetCurFolder
1446  */
1447 static HRESULT WINAPI
1448 IFSFldr_PersistFolder3_fnGetCurFolder (IPersistFolder3 * iface,
1449                                        LPITEMIDLIST * pidl)
1450 {
1451     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1452
1453     TRACE ("(%p)->(%p)\n", This, pidl);
1454
1455     if (!pidl) return E_POINTER;
1456     *pidl = ILClone (This->pidlRoot);
1457     return S_OK;
1458 }
1459
1460 /**************************************************************************
1461  * IFSFldr_PersistFolder3_InitializeEx
1462  *
1463  * FIXME: error handling
1464  */
1465 static HRESULT WINAPI
1466 IFSFldr_PersistFolder3_InitializeEx (IPersistFolder3 * iface,
1467                                      IBindCtx * pbc, LPCITEMIDLIST pidlRoot,
1468                                      const PERSIST_FOLDER_TARGET_INFO * ppfti)
1469 {
1470     WCHAR wszTemp[MAX_PATH];
1471
1472     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1473
1474     TRACE ("(%p)->(%p,%p,%p)\n", This, pbc, pidlRoot, ppfti);
1475     if (ppfti)
1476         TRACE ("--%p %s %s 0x%08x 0x%08x\n",
1477          ppfti->pidlTargetFolder, debugstr_w (ppfti->szTargetParsingName),
1478          debugstr_w (ppfti->szNetworkProvider), ppfti->dwAttributes,
1479          ppfti->csidl);
1480
1481     pdump (pidlRoot);
1482     if (ppfti && ppfti->pidlTargetFolder)
1483         pdump (ppfti->pidlTargetFolder);
1484
1485     if (This->pidlRoot)
1486         __SHFreeAndNil (&This->pidlRoot);    /* free the old */
1487     if (This->sPathTarget)
1488         __SHFreeAndNil (&This->sPathTarget);
1489
1490     /*
1491      * Root path and pidl
1492      */
1493     This->pidlRoot = ILClone (pidlRoot);
1494
1495     /*
1496      *  the target folder is specified in csidl OR pidlTargetFolder OR
1497      *  szTargetParsingName
1498      */
1499     if (ppfti) {
1500         if (ppfti->csidl != -1) {
1501             if (SHGetSpecialFolderPathW (0, wszTemp, ppfti->csidl,
1502              ppfti->csidl & CSIDL_FLAG_CREATE)) {
1503                 int len = strlenW(wszTemp);
1504                 This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1505                 if (!This->sPathTarget)
1506                     return E_OUTOFMEMORY;
1507                 memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1508             }
1509         } else if (ppfti->szTargetParsingName[0]) {
1510             int len = strlenW(ppfti->szTargetParsingName);
1511             This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1512             if (!This->sPathTarget)
1513                 return E_OUTOFMEMORY;
1514             memcpy(This->sPathTarget, ppfti->szTargetParsingName,
1515                    (len + 1) * sizeof(WCHAR));
1516         } else if (ppfti->pidlTargetFolder) {
1517             if (SHGetPathFromIDListW(ppfti->pidlTargetFolder, wszTemp)) {
1518                 int len = strlenW(wszTemp);
1519                 This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1520                 if (!This->sPathTarget)
1521                     return E_OUTOFMEMORY;
1522                 memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1523             }
1524         }
1525     }
1526
1527     TRACE ("--(%p)->(target=%s)\n", This, debugstr_w(This->sPathTarget));
1528     pdump (This->pidlRoot);
1529     return (This->sPathTarget) ? S_OK : E_FAIL;
1530 }
1531
1532 static HRESULT WINAPI
1533 IFSFldr_PersistFolder3_GetFolderTargetInfo (IPersistFolder3 * iface,
1534                                             PERSIST_FOLDER_TARGET_INFO * ppfti)
1535 {
1536     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1537     FIXME ("(%p)->(%p)\n", This, ppfti);
1538     ZeroMemory (ppfti, sizeof (*ppfti));
1539     return E_NOTIMPL;
1540 }
1541
1542 static const IPersistFolder3Vtbl pfvt =
1543 {
1544     IFSFldr_PersistFolder3_QueryInterface,
1545     IFSFldr_PersistFolder3_AddRef,
1546     IFSFldr_PersistFolder3_Release,
1547     IFSFldr_PersistFolder3_GetClassID,
1548     IFSFldr_PersistFolder3_Initialize,
1549     IFSFldr_PersistFolder3_fnGetCurFolder,
1550     IFSFldr_PersistFolder3_InitializeEx,
1551     IFSFldr_PersistFolder3_GetFolderTargetInfo
1552 };
1553
1554 /****************************************************************************
1555  * ISFDropTarget implementation
1556  */
1557 static HRESULT WINAPI ISFDropTarget_QueryInterface(IDropTarget *iface, REFIID riid, void **ppv)
1558 {
1559     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1560
1561     return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
1562 }
1563
1564 static ULONG WINAPI ISFDropTarget_AddRef(IDropTarget *iface)
1565 {
1566     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1567
1568     return IUnknown_AddRef(This->outer_unk);
1569 }
1570
1571 static ULONG WINAPI ISFDropTarget_Release(IDropTarget *iface)
1572 {
1573     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1574
1575     return IUnknown_Release(This->outer_unk);
1576 }
1577
1578 static HRESULT WINAPI
1579 ISFDropTarget_DragEnter (IDropTarget * iface, IDataObject * pDataObject,
1580                          DWORD dwKeyState, POINTL pt, DWORD * pdwEffect)
1581 {
1582     FORMATETC fmt;
1583
1584     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1585
1586     TRACE ("(%p)->(DataObject=%p)\n", This, pDataObject);
1587
1588     InitFormatEtc (fmt, This->cfShellIDList, TYMED_HGLOBAL);
1589     This->fAcceptFmt = IDataObject_QueryGetData (pDataObject, &fmt) == S_OK;
1590     if (This->fAcceptFmt)
1591         *pdwEffect = KeyStateToDropEffect(dwKeyState);
1592     else
1593         *pdwEffect = DROPEFFECT_NONE;
1594
1595     return S_OK;
1596 }
1597
1598 static HRESULT WINAPI
1599 ISFDropTarget_DragOver (IDropTarget * iface, DWORD dwKeyState, POINTL pt,
1600                         DWORD * pdwEffect)
1601 {
1602     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1603
1604     TRACE ("(%p)\n", This);
1605
1606     if (!pdwEffect)
1607         return E_INVALIDARG;
1608
1609     if (This->fAcceptFmt)
1610         *pdwEffect = KeyStateToDropEffect(dwKeyState);
1611     else
1612         *pdwEffect = DROPEFFECT_NONE;
1613
1614     return S_OK;
1615 }
1616
1617 static HRESULT WINAPI ISFDropTarget_DragLeave (IDropTarget * iface)
1618 {
1619     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1620
1621     TRACE ("(%p)\n", This);
1622
1623     This->fAcceptFmt = FALSE;
1624
1625     return S_OK;
1626 }
1627
1628 static HRESULT WINAPI
1629 ISFDropTarget_Drop (IDropTarget * iface, IDataObject * pDataObject,
1630                     DWORD dwKeyState, POINTL pt, DWORD * pdwEffect)
1631 {
1632     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1633
1634     FIXME ("(%p) object dropped\n", This);
1635
1636     return E_NOTIMPL;
1637 }
1638
1639 static const IDropTargetVtbl dtvt = {
1640     ISFDropTarget_QueryInterface,
1641     ISFDropTarget_AddRef,
1642     ISFDropTarget_Release,
1643     ISFDropTarget_DragEnter,
1644     ISFDropTarget_DragOver,
1645     ISFDropTarget_DragLeave,
1646     ISFDropTarget_Drop
1647 };
1648
1649 HRESULT WINAPI IFSFolder_Constructor(IUnknown *outer_unk, REFIID riid, void **ppv)
1650 {
1651     IGenericSFImpl *sf;
1652     HRESULT hr;
1653
1654     TRACE("outer_unk=%p %s\n", outer_unk, shdebugstr_guid(riid));
1655
1656     if (outer_unk && !IsEqualIID(riid, &IID_IUnknown))
1657         return CLASS_E_NOAGGREGATION;
1658
1659     sf = LocalAlloc(LMEM_ZEROINIT, sizeof(*sf));
1660     if (!sf)
1661         return E_OUTOFMEMORY;
1662
1663     sf->ref = 1;
1664     sf->IUnknown_inner.lpVtbl = &unkvt;
1665     sf->IShellFolder2_iface.lpVtbl = &sfvt;
1666     sf->IPersistFolder3_iface.lpVtbl = &pfvt;
1667     sf->IDropTarget_iface.lpVtbl = &dtvt;
1668     sf->ISFHelper_iface.lpVtbl = &shvt;
1669     sf->pclsid = (CLSID *) & CLSID_ShellFSFolder;
1670     sf->outer_unk = outer_unk ? outer_unk : &sf->IUnknown_inner;
1671
1672     hr = IUnknown_QueryInterface(&sf->IUnknown_inner, riid, ppv);
1673     IUnknown_Release(&sf->IUnknown_inner);
1674
1675     TRACE ("--%p\n", *ppv);
1676     return hr;
1677 }