reactos/dll/win32/shell32/shfldr_desktop.c

   1
   2 /*
   3  *    Virtual Desktop 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 "enumidlist.h"
  46 #include "pidl.h"
  47 #include "undocshell.h"
  48 #include "shell32_main.h"
  49 #include "shresdef.h"
  50 #include "shlwapi.h"
  51 #include "shellfolder.h"
  52 #include "wine/debug.h"
  53 #include "debughlp.h"
  54 #include "shfldr.h"
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  57
  58 /***********************************************************************
  59 *     Desktopfolder implementation
  60 */
  61
  62 typedef struct {
  63     const IShellFolder2Vtbl *lpVtbl;
  64     const IPersistFolder2Vtbl *lpPF2;
  65     const ISFHelperVtbl       *lpvtblSFHelper;
  66     LONG ref;
  67
  68     /* both paths are parsible from the desktop */
  69     LPWSTR sPathTarget;     /* complete path to target used for enumeration and ChangeNotify */
  70     LPITEMIDLIST pidlRoot;  /* absolute pidl */
  71
  72     UINT cfShellIDList;        /* clipboardformat for IDropTarget */
  73     BOOL fAcceptFmt;        /* flag for pending Drop */
  74 } IGenericSFImpl;
  75
  76 WCHAR *build_paths_list(LPCWSTR wszBasePath, int cidl, LPCITEMIDLIST *pidls);
  77 int SHELL_ConfirmMsgBox(HWND hWnd, LPWSTR lpszText, LPWSTR lpszCaption, HICON hIcon, BOOL bYesToAll);
  78
  79 #define _IUnknown_(This)    (IShellFolder*)&(This->lpVtbl)
  80 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpVtbl)
  81
  82 static const shvheader DesktopSFHeader[] = {
  83     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  84     {IDS_SHV_COLUMN2, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  85     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  86     {IDS_SHV_COLUMN4, SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
  87     {IDS_SHV_COLUMN5, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 5}
  88 };
  89
  90 #define DESKTOPSHELLVIEWCOLUMNS 5
  91
  92 /**************************************************************************
  93  *    ISF_Desktop_fnQueryInterface
  94  *
  95  * NOTES supports not IPersist/IPersistFolder
  96  */
  97 static HRESULT WINAPI ISF_Desktop_fnQueryInterface(
  98                 IShellFolder2 * iface, REFIID riid, LPVOID * ppvObj)
  99 {
 100     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 101
 102     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 103
 104     *ppvObj = NULL;
 105
 106     if (IsEqualIID (riid, &IID_IUnknown) ||
 107         IsEqualIID (riid, &IID_IShellFolder) ||
 108         IsEqualIID (riid, &IID_IShellFolder2))
 109     {
 110         *ppvObj = This;
 111     }
 112     else if (IsEqualIID (riid, &IID_IPersistFolder) ||
 113              IsEqualIID (riid, &IID_IPersistFolder2))
 114     {
 115         *ppvObj = &This->lpPF2;
 116     }
 117     else if (IsEqualIID(riid, &IID_ISFHelper))
 118     {
 119         *ppvObj = &This->lpvtblSFHelper;
 120     }
 121     if (*ppvObj)
 122     {
 123         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 124         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 125         return S_OK;
 126     }
 127     TRACE ("-- Interface: E_NOINTERFACE\n");
 128     return E_NOINTERFACE;
 129 }
 130
 131 static inline IGenericSFImpl *impl_from_ISFHelper( ISFHelper *iface )
 132 {
 133     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpvtblSFHelper));
 134 }
 135
 136 static ULONG WINAPI ISF_Desktop_fnAddRef (IShellFolder2 * iface)
 137 {
 138     return 2; /* non-heap based object */
 139 }
 140
 141 static ULONG WINAPI ISF_Desktop_fnRelease (IShellFolder2 * iface)
 142 {
 143     return 1; /* non-heap based object */
 144 }
 145
 146 /**************************************************************************
 147  *    ISF_Desktop_fnParseDisplayName
 148  *
 149  * NOTES
 150  *    "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}" and "" binds
 151  *    to MyComputer
 152  */
 153 static HRESULT WINAPI ISF_Desktop_fnParseDisplayName (IShellFolder2 * iface,
 154                 HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName,
 155                 DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 156 {
 157     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 158     WCHAR szElement[MAX_PATH];
 159     LPCWSTR szNext = NULL;
 160     LPITEMIDLIST pidlTemp = NULL;
 161     HRESULT hr = S_OK;
 162     CLSID clsid;
 163
 164     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 165            This, hwndOwner, pbc, lpszDisplayName, debugstr_w(lpszDisplayName),
 166            pchEaten, ppidl, pdwAttributes);
 167
 168     if (!lpszDisplayName || !ppidl)
 169         return E_INVALIDARG;
 170
 171     *ppidl = 0;
 172
 173     if (pchEaten)
 174         *pchEaten = 0;        /* strange but like the original */
 175
 176     if (lpszDisplayName[0] == ':' && lpszDisplayName[1] == ':')
 177     {
 178         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 179         TRACE ("-- element: %s\n", debugstr_w (szElement));
 180         SHCLSIDFromStringW (szElement + 2, &clsid);
 181         pidlTemp = _ILCreateGuid (PT_GUID, &clsid);
 182     }
 183     else if (PathGetDriveNumberW (lpszDisplayName) >= 0)
 184     {
 185         /* it's a filesystem path with a drive. Let MyComputer/UnixDosFolder parse it */
 186 #if 0
 187         if (UNIXFS_is_rooted_at_desktop())
 188             pidlTemp = _ILCreateGuid(PT_GUID, &CLSID_UnixDosFolder);
 189         else
 190 #endif
 191             pidlTemp = _ILCreateMyComputer ();
 192         szNext = lpszDisplayName;
 193     }
 194     else if (PathIsUNCW(lpszDisplayName))
 195     {
 196         pidlTemp = _ILCreateNetwork();
 197         szNext = lpszDisplayName;
 198     }
 199     else if( (pidlTemp = SHELL32_CreatePidlFromBindCtx(pbc, lpszDisplayName)) )
 200     {
 201         *ppidl = pidlTemp;
 202         return S_OK;
 203     }
 204     else
 205     {
 206         /* it's a filesystem path on the desktop. Let a FSFolder parse it */
 207
 208         if (*lpszDisplayName)
 209         {
 210             WCHAR szPath[MAX_PATH];
 211             LPWSTR pathPtr;
 212
 213             /* build a complete path to create a simple pidl */
 214             lstrcpynW(szPath, This->sPathTarget, MAX_PATH);
 215             pathPtr = PathAddBackslashW(szPath);
 216             if (pathPtr)
 217             {
 218                 lstrcpynW(pathPtr, lpszDisplayName, MAX_PATH - (pathPtr - szPath));
 219                 hr = _ILCreateFromPathW(szPath, &pidlTemp);
 220             }
 221             else
 222             {
 223                 /* should never reach here, but for completeness */
 224                 hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 225             }
 226         }
 227         else
 228             pidlTemp = _ILCreateMyComputer();
 229
 230         szNext = NULL;
 231     }
 232
 233     if (SUCCEEDED(hr) && pidlTemp)
 234     {
 235         if (szNext && *szNext)
 236         {
 237             hr = SHELL32_ParseNextElement(iface, hwndOwner, pbc,
 238                     &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 239         }
 240         else
 241         {
 242             if (pdwAttributes && *pdwAttributes)
 243                 hr = SHELL32_GetItemAttributes(_IShellFolder_ (This),
 244                                                pidlTemp, pdwAttributes);
 245         }
 246     }
 247
 248     *ppidl = pidlTemp;
 249
 250     TRACE ("(%p)->(-- ret=0x%08x)\n", This, hr);
 251
 252     return hr;
 253 }
 254
 255 static const WCHAR ClassicStartMenuW[] =  {'S','O','F','T','W','A','R','E','\\',
 256  'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 257  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l','o','r','e','r',
 258  '\\','H','i','d','e','D','e','s','k','t','o','p','I','c','o','n','s','\\',
 259  'C','l','a','s','s','i','c','S','t','a','r','t','M','e','n','u','\0' };
 260
 261 INT
 262 IsNamespaceExtensionHidden(WCHAR *iid)
 263 {
 264     DWORD Result, dwResult;
 265     dwResult = sizeof(DWORD);
 266
 267     if (RegGetValueW(HKEY_CURRENT_USER, /* FIXME use NewStartPanel when activated */
 268                      ClassicStartMenuW,
 269                      iid,
 270                      RRF_RT_DWORD,
 271                      NULL,
 272                      &Result,
 273                      &dwResult) != ERROR_SUCCESS)
 274     {
 275         return -1;
 276     }
 277
 278     return Result;
 279 }
 280
 281 static
 282 VOID
 283 SetNamespaceExtensionVisibleStatus(WCHAR * iid, DWORD dwStatus)
 284 {
 285     HKEY hKey;
 286
 287     if (RegOpenKeyExW(HKEY_CURRENT_USER, ClassicStartMenuW, 0, KEY_WRITE, &hKey) == ERROR_SUCCESS)
 288     {
 289         RegSetValueExW(hKey, iid, 0, REG_DWORD, (LPBYTE)&dwStatus, sizeof(DWORD));
 290         RegCloseKey(hKey);
 291     }
 292 }
 293
 294
 295
 296 /**************************************************************************
 297  *  CreateDesktopEnumList()
 298  */
 299 static const WCHAR Desktop_NameSpaceW[] = { 'S','O','F','T','W','A','R','E',
 300  '\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 301  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l',
 302  'o','r','e','r','\\','D','e','s','k','t','o','p','\\','N','a','m','e','s','p',
 303  'a','c','e','\0' };
 304
 305 static BOOL CreateDesktopEnumList(IEnumIDList *list, DWORD dwFlags)
 306 {
 307     BOOL ret = TRUE;
 308     WCHAR szPath[MAX_PATH];
 309
 310     static WCHAR MyDocumentsClassString[] = L"{450D8FBA-AD25-11D0-98A8-0800361B1103}";
 311
 312
 313     TRACE("(%p)->(flags=0x%08x)\n", list, dwFlags);
 314
 315     /* enumerate the root folders */
 316     if (dwFlags & SHCONTF_FOLDERS)
 317     {
 318         HKEY hkey;
 319         UINT i;
 320         DWORD dwResult;
 321
 322         /* create the pidl for This item */
 323         if (IsNamespaceExtensionHidden(MyDocumentsClassString) < 1)
 324         {
 325             ret = AddToEnumList(list, _ILCreateMyDocuments());
 326         }
 327         ret = AddToEnumList(list, _ILCreateMyComputer());
 328
 329         for (i = 0; i < 2; i++)
 330         {
 331             if (i == 0)
 332                 dwResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, Desktop_NameSpaceW, 0, KEY_READ, &hkey);
 333             else
 334                 dwResult = RegOpenKeyExW(HKEY_CURRENT_USER, Desktop_NameSpaceW, 0, KEY_READ, &hkey);
 335
 336             if (dwResult == ERROR_SUCCESS)
 337             {
 338                 WCHAR iid[50];
 339                 LPITEMIDLIST pidl;
 340                 int i=0;
 341
 342                 while (ret)
 343                 {
 344                     DWORD size;
 345                     LONG r;
 346
 347                     size = sizeof (iid);
 348                     r = RegEnumKeyExW(hkey, i, iid, &size, 0, NULL, NULL, NULL);
 349                     if (ERROR_SUCCESS == r)
 350                     {
 351                         if (IsNamespaceExtensionHidden(iid) < 1)
 352                         {
 353                            pidl = _ILCreateGuidFromStrW(iid);
 354                            if (!HasItemWithCLSID(list, pidl))
 355                            {
 356                                ret = AddToEnumList(list, pidl);
 357                            }
 358                            else
 359                            {
 360                                 SHFree(pidl);
 361                            }
 362                        }
 363                     }
 364                     else if (ERROR_NO_MORE_ITEMS == r)
 365                         break;
 366                     else
 367                         ret = FALSE;
 368                     i++;
 369                 }
 370                 RegCloseKey(hkey);
 371             }
 372         }
 373         for (i = 0; i < 2; i++)
 374         {
 375             if (i == 0)
 376                 dwResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, ClassicStartMenuW, 0, KEY_READ, &hkey);
 377             else
 378                 dwResult = RegOpenKeyExW(HKEY_CURRENT_USER, ClassicStartMenuW, 0, KEY_READ, &hkey);
 379
 380             if (dwResult == ERROR_SUCCESS)
 381             {
 382                 DWORD j = 0, dwVal, Val, dwType, dwIID;
 383                 LONG r;
 384                 WCHAR iid[50];
 385
 386                 while(ret)
 387                 {
 388                     dwVal = sizeof(Val);
 389                     dwIID = sizeof(iid) / sizeof(WCHAR);
 390
 391                     r = RegEnumValueW(hkey, j++, iid, &dwIID, NULL, &dwType, (LPBYTE)&Val, &dwVal);
 392                     if (r == ERROR_SUCCESS)
 393                     {
 394                         if (Val == 0 && dwType == REG_DWORD)
 395                         {
 396                             LPITEMIDLIST pidl = _ILCreateGuidFromStrW(iid);
 397                             if (!HasItemWithCLSID(list, pidl))
 398                             {
 399                                AddToEnumList(list, pidl);
 400                             }
 401                             else
 402                             {
 403                                 SHFree(pidl);
 404                             }
 405                         }
 406                     }
 407                     else if (ERROR_NO_MORE_ITEMS == r)
 408                         break;
 409                     else
 410                         ret = FALSE;
 411                 }
 412             }
 413
 414         }
 415     }
 416
 417     /* enumerate the elements in %windir%\desktop */
 418     ret = ret && SHGetSpecialFolderPathW(0, szPath, CSIDL_DESKTOPDIRECTORY, FALSE);
 419     ret = ret && CreateFolderEnumList(list, szPath, dwFlags);
 420
 421     return ret;
 422 }
 423
 424 /**************************************************************************
 425  *        ISF_Desktop_fnEnumObjects
 426  */
 427 static HRESULT WINAPI ISF_Desktop_fnEnumObjects (IShellFolder2 * iface,
 428                 HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 429 {
 430     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 431
 432     TRACE ("(%p)->(HWND=%p flags=0x%08x pplist=%p)\n",
 433            This, hwndOwner, dwFlags, ppEnumIDList);
 434
 435     *ppEnumIDList = IEnumIDList_Constructor();
 436     if (*ppEnumIDList)
 437         CreateDesktopEnumList(*ppEnumIDList, dwFlags);
 438
 439     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 440
 441     return *ppEnumIDList ? S_OK : E_OUTOFMEMORY;
 442 }
 443
 444 /**************************************************************************
 445  *        ISF_Desktop_fnBindToObject
 446  */
 447 static HRESULT WINAPI ISF_Desktop_fnBindToObject (IShellFolder2 * iface,
 448                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 449 {
 450     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 451
 452     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n",
 453            This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 454
 455     return SHELL32_BindToChild( This->pidlRoot, This->sPathTarget, pidl, riid, ppvOut );
 456 }
 457
 458 /**************************************************************************
 459  *    ISF_Desktop_fnBindToStorage
 460  */
 461 static HRESULT WINAPI ISF_Desktop_fnBindToStorage (IShellFolder2 * iface,
 462                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 463 {
 464     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 465
 466     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n",
 467            This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 468
 469     *ppvOut = NULL;
 470     return E_NOTIMPL;
 471 }
 472
 473 /**************************************************************************
 474  *     ISF_Desktop_fnCompareIDs
 475  */
 476 static HRESULT WINAPI ISF_Desktop_fnCompareIDs (IShellFolder2 * iface,
 477                         LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 478 {
 479     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 480     int nReturn;
 481
 482     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 483     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 484     TRACE ("-- %i\n", nReturn);
 485     return nReturn;
 486 }
 487
 488 /**************************************************************************
 489  *    ISF_Desktop_fnCreateViewObject
 490  */
 491 static HRESULT WINAPI ISF_Desktop_fnCreateViewObject (IShellFolder2 * iface,
 492                               HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 493 {
 494     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 495     LPSHELLVIEW pShellView;
 496     HRESULT hr = E_INVALIDARG;
 497
 498     TRACE ("(%p)->(hwnd=%p,%s,%p)\n",
 499            This, hwndOwner, shdebugstr_guid (riid), ppvOut);
 500
 501     if (!ppvOut)
 502         return hr;
 503
 504     *ppvOut = NULL;
 505
 506     if (IsEqualIID (riid, &IID_IDropTarget))
 507     {
 508         WARN ("IDropTarget not implemented\n");
 509         hr = E_NOTIMPL;
 510     }
 511     else if (IsEqualIID (riid, &IID_IContextMenu))
 512     {
 513         WARN ("IContextMenu not implemented\n");
 514         hr = E_NOTIMPL;
 515     }
 516     else if (IsEqualIID (riid, &IID_IShellView))
 517     {
 518         pShellView = IShellView_Constructor ((IShellFolder *) iface);
 519         if (pShellView)
 520         {
 521             hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 522             IShellView_Release (pShellView);
 523         }
 524     }
 525     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 526     return hr;
 527 }
 528
 529 /**************************************************************************
 530  *  ISF_Desktop_fnGetAttributesOf
 531  */
 532 static HRESULT WINAPI ISF_Desktop_fnGetAttributesOf (IShellFolder2 * iface,
 533                 UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 534 {
 535     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 536     HRESULT hr = S_OK;
 537     static const DWORD dwDesktopAttributes =
 538         SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR |
 539         SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_FILESYSTEM | SFGAO_HASSUBFOLDER;
 540     static const DWORD dwMyComputerAttributes =
 541         SFGAO_CANRENAME | SFGAO_CANDELETE | SFGAO_HASPROPSHEET |
 542         SFGAO_DROPTARGET | SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_HASSUBFOLDER;
 543
 544     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n",
 545            This, cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);
 546
 547     if (!rgfInOut)
 548         return E_INVALIDARG;
 549     if (cidl && !apidl)
 550         return E_INVALIDARG;
 551
 552     if (*rgfInOut == 0)
 553         *rgfInOut = ~0;
 554
 555     if(cidl == 0) {
 556         *rgfInOut &= dwDesktopAttributes;
 557     } else {
 558         while (cidl > 0 && *apidl) {
 559             pdump (*apidl);
 560             if (_ILIsDesktop(*apidl)) {
 561                 *rgfInOut &= dwDesktopAttributes;
 562             } else if (_ILIsMyComputer(*apidl)) {
 563                 *rgfInOut &= dwMyComputerAttributes;
 564             } else {
 565                 SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 566             }
 567             apidl++;
 568             cidl--;
 569         }
 570     }
 571     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
 572     *rgfInOut &= ~SFGAO_VALIDATE;
 573
 574     TRACE ("-- result=0x%08x\n", *rgfInOut);
 575
 576     return hr;
 577 }
 578
 579 /**************************************************************************
 580  *    ISF_Desktop_fnGetUIObjectOf
 581  *
 582  * PARAMETERS
 583  *  HWND           hwndOwner, //[in ] Parent window for any output
 584  *  UINT           cidl,      //[in ] array size
 585  *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 586  *  REFIID         riid,      //[in ] Requested Interface
 587  *  UINT*          prgfInOut, //[   ] reserved
 588  *  LPVOID*        ppvObject) //[out] Resulting Interface
 589  *
 590  */
 591 static HRESULT WINAPI ISF_Desktop_fnGetUIObjectOf (IShellFolder2 * iface,
 592                 HWND hwndOwner, UINT cidl, LPCITEMIDLIST * apidl,
 593                 REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 594 {
 595     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 596
 597     LPITEMIDLIST pidl;
 598     IUnknown *pObj = NULL;
 599     HRESULT hr = E_INVALIDARG;
 600
 601     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 602        This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 603
 604     if (!ppvOut)
 605         return hr;
 606
 607     *ppvOut = NULL;
 608
 609     if (IsEqualIID (riid, &IID_IContextMenu))
 610     {
 611         hr = CDefFolderMenu_Create2(This->pidlRoot, hwndOwner, cidl, apidl, (IShellFolder*)iface, NULL, 0, NULL, (IContextMenu**)&pObj);
 612     }
 613     else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1))
 614     {
 615         pObj = (LPUNKNOWN) IDataObject_Constructor( hwndOwner,
 616                                                   This->pidlRoot, apidl, cidl);
 617         hr = S_OK;
 618     }
 619     else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1))
 620     {
 621         pidl = ILCombine (This->pidlRoot, apidl[0]);
 622         pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 623         SHFree (pidl);
 624         hr = S_OK;
 625     }
 626     else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1))
 627     {
 628         pidl = ILCombine (This->pidlRoot, apidl[0]);
 629         pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 630         SHFree (pidl);
 631         hr = S_OK;
 632     }
 633     else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1))
 634     {
 635         hr = IShellFolder_QueryInterface (iface,
 636                                           &IID_IDropTarget, (LPVOID *) & pObj);
 637     }
 638     else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
 639               IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1))
 640     {
 641         pidl = ILCombine (This->pidlRoot, apidl[0]);
 642         hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*)&pObj);
 643         SHFree (pidl);
 644     }
 645     else
 646         hr = E_NOINTERFACE;
 647
 648     if (SUCCEEDED(hr) && !pObj)
 649         hr = E_OUTOFMEMORY;
 650
 651     *ppvOut = pObj;
 652     TRACE ("(%p)->hr=0x%08x\n", This, hr);
 653     return hr;
 654 }
 655
 656 /**************************************************************************
 657  *    ISF_Desktop_fnGetDisplayNameOf
 658  *
 659  * NOTES
 660  *    special case: pidl = null gives desktop-name back
 661  */
 662 static HRESULT WINAPI ISF_Desktop_fnGetDisplayNameOf (IShellFolder2 * iface,
 663                 LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 664 {
 665     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 666     HRESULT hr = S_OK;
 667     LPWSTR pszPath;
 668
 669     TRACE ("(%p)->(pidl=%p,0x%08x,%p)\n", This, pidl, dwFlags, strRet);
 670     pdump (pidl);
 671
 672     if (!strRet)
 673         return E_INVALIDARG;
 674
 675     pszPath = CoTaskMemAlloc((MAX_PATH +1) * sizeof(WCHAR));
 676     if (!pszPath)
 677         return E_OUTOFMEMORY;
 678
 679     if (_ILIsDesktop (pidl))
 680     {
 681         if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) &&
 682             (GET_SHGDN_FOR (dwFlags) & SHGDN_FORPARSING))
 683             strcpyW(pszPath, This->sPathTarget);
 684         else
 685             HCR_GetClassNameW(&CLSID_ShellDesktop, pszPath, MAX_PATH);
 686     }
 687     else if (_ILIsPidlSimple (pidl))
 688     {
 689         GUID const *clsid;
 690
 691         if ((clsid = _ILGetGUIDPointer (pidl)))
 692         {
 693             if (GET_SHGDN_FOR (dwFlags) & SHGDN_FORPARSING)
 694             {
 695                 int bWantsForParsing;
 696
 697                 /*
 698                  * We can only get a filesystem path from a shellfolder if the
 699                  *  value WantsFORPARSING in CLSID\\{...}\\shellfolder exists.
 700                  *
 701                  * Exception: The MyComputer folder doesn't have this key,
 702                  *   but any other filesystem backed folder it needs it.
 703                  */
 704                 if (IsEqualIID (clsid, &CLSID_MyComputer))
 705                 {
 706                     bWantsForParsing = TRUE;
 707                 }
 708                 else
 709                 {
 710                     /* get the "WantsFORPARSING" flag from the registry */
 711                     static const WCHAR clsidW[] =
 712                      { 'C','L','S','I','D','\\',0 };
 713                     static const WCHAR shellfolderW[] =
 714                      { '\\','s','h','e','l','l','f','o','l','d','e','r',0 };
 715                     static const WCHAR wantsForParsingW[] =
 716                      { 'W','a','n','t','s','F','o','r','P','a','r','s','i','n',
 717                      'g',0 };
 718                     WCHAR szRegPath[100];
 719                     LONG r;
 720
 721                     lstrcpyW (szRegPath, clsidW);
 722                     SHELL32_GUIDToStringW (clsid, &szRegPath[6]);
 723                     lstrcatW (szRegPath, shellfolderW);
 724                     r = SHGetValueW(HKEY_CLASSES_ROOT, szRegPath,
 725                                     wantsForParsingW, NULL, NULL, NULL);
 726                     if (r == ERROR_SUCCESS)
 727                         bWantsForParsing = TRUE;
 728                     else
 729                         bWantsForParsing = FALSE;
 730                 }
 731
 732                 if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) &&
 733                      bWantsForParsing)
 734                 {
 735                     /*
 736                      * we need the filesystem path to the destination folder.
 737                      * Only the folder itself can know it
 738                      */
 739                     hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags,
 740                                                         pszPath,
 741                                                         MAX_PATH);
 742                 }
 743                 else
 744                 {
 745                     /* parsing name like ::{...} */
 746                     pszPath[0] = ':';
 747                     pszPath[1] = ':';
 748                     SHELL32_GUIDToStringW (clsid, &pszPath[2]);
 749                 }
 750             }
 751             else
 752             {
 753                 /* user friendly name */
 754                 HCR_GetClassNameW (clsid, pszPath, MAX_PATH);
 755             }
 756         }
 757         else
 758         {
 759             int cLen = 0;
 760
 761             /* file system folder or file rooted at the desktop */
 762             if ((GET_SHGDN_FOR(dwFlags) == SHGDN_FORPARSING) &&
 763                 (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER))
 764             {
 765                 lstrcpynW(pszPath, This->sPathTarget, MAX_PATH - 1);
 766                 PathAddBackslashW(pszPath);
 767                 cLen = lstrlenW(pszPath);
 768             }
 769
 770             _ILSimpleGetTextW(pidl, pszPath + cLen, MAX_PATH - cLen);
 771             if (!_ILIsFolder(pidl))
 772                 SHELL_FS_ProcessDisplayFilename(pszPath, dwFlags);
 773         }
 774     }
 775     else
 776     {
 777         /* a complex pidl, let the subfolder do the work */
 778         hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags,
 779                                             pszPath, MAX_PATH);
 780     }
 781
 782     if (SUCCEEDED(hr))
 783     {
 784         /* Win9x always returns ANSI strings, NT always returns Unicode strings */
 785         if (GetVersion() & 0x80000000)
 786         {
 787             strRet->uType = STRRET_CSTR;
 788             if (!WideCharToMultiByte(CP_ACP, 0, pszPath, -1, strRet->u.cStr, MAX_PATH,
 789                                      NULL, NULL))
 790                 strRet->u.cStr[0] = '\0';
 791             CoTaskMemFree(pszPath);
 792         }
 793         else
 794         {
 795             strRet->uType = STRRET_WSTR;
 796             strRet->u.pOleStr = pszPath;
 797         }
 798     }
 799     else
 800         CoTaskMemFree(pszPath);
 801
 802     TRACE ("-- (%p)->(%s,0x%08x)\n", This,
 803      strRet->uType == STRRET_CSTR ? strRet->u.cStr :
 804      debugstr_w(strRet->u.pOleStr), hr);
 805     return hr;
 806 }
 807
 808 /**************************************************************************
 809  *  ISF_Desktop_fnSetNameOf
 810  *  Changes the name of a file object or subfolder, possibly changing its item
 811  *  identifier in the process.
 812  *
 813  * PARAMETERS
 814  *  HWND          hwndOwner,  //[in ] Owner window for output
 815  *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 816  *  LPCOLESTR     lpszName,   //[in ] the items new display name
 817  *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 818  *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 819  */
 820 static HRESULT WINAPI ISF_Desktop_fnSetNameOf (IShellFolder2 * iface,
 821                 HWND hwndOwner, LPCITEMIDLIST pidl,    /* simple pidl */
 822                 LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 823 {
 824     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 825     IShellFolder2 * psf;
 826     HRESULT hr;
 827     WCHAR szSrc[MAX_PATH + 1], szDest[MAX_PATH + 1];
 828     LPWSTR ptr;
 829     BOOL bIsFolder = _ILIsFolder (ILFindLastID (pidl));
 830
 831     TRACE ("(%p)->(%p,pidl=%p,%s,%u,%p)\n", This, hwndOwner, pidl,
 832            debugstr_w (lpName), dwFlags, pPidlOut);
 833
 834     if (_ILGetGUIDPointer(pidl))
 835     {
 836         if (SUCCEEDED(IShellFolder2_BindToObject(iface, pidl, NULL, &IID_IShellFolder2, (LPVOID*)&psf)))
 837         {
 838             hr = IShellFolder2_SetNameOf(psf, hwndOwner, pidl, lpName, dwFlags, pPidlOut);
 839             IShellFolder2_Release(psf);
 840             return hr;
 841         }
 842     }
 843
 844     /* build source path */
 845     lstrcpynW(szSrc, This->sPathTarget, MAX_PATH);
 846     ptr = PathAddBackslashW (szSrc);
 847     if (ptr)
 848         _ILSimpleGetTextW (pidl, ptr, MAX_PATH + 1 - (ptr - szSrc));
 849
 850     /* build destination path */
 851     if (dwFlags == SHGDN_NORMAL || dwFlags & SHGDN_INFOLDER) {
 852         lstrcpynW(szDest, This->sPathTarget, MAX_PATH);
 853         ptr = PathAddBackslashW (szDest);
 854         if (ptr)
 855             lstrcpynW(ptr, lpName, MAX_PATH + 1 - (ptr - szDest));
 856     } else
 857         lstrcpynW(szDest, lpName, MAX_PATH);
 858
 859     if(!(dwFlags & SHGDN_FORPARSING) && SHELL_FS_HideExtension(szSrc)) {
 860         WCHAR *ext = PathFindExtensionW(szSrc);
 861         if(*ext != '\0') {
 862             INT len = strlenW(szDest);
 863             lstrcpynW(szDest + len, ext, MAX_PATH - len);
 864         }
 865     }
 866
 867     if (!memcmp(szSrc, szDest, (wcslen(szDest)+1) * sizeof(WCHAR)))
 868     {
 869         /* src and destination is the same */
 870         hr = S_OK;
 871         if (pPidlOut)
 872             hr = _ILCreateFromPathW(szDest, pPidlOut);
 873
 874         return hr;
 875     }
 876
 877     TRACE ("src=%s dest=%s\n", debugstr_w(szSrc), debugstr_w(szDest));
 878     if (MoveFileW (szSrc, szDest))
 879     {
 880         hr = S_OK;
 881
 882         if (pPidlOut)
 883             hr = _ILCreateFromPathW(szDest, pPidlOut);
 884
 885         SHChangeNotify (bIsFolder ? SHCNE_RENAMEFOLDER : SHCNE_RENAMEITEM,
 886          SHCNF_PATHW, szSrc, szDest);
 887
 888         return hr;
 889     }
 890     return E_FAIL;
 891 }
 892 static HRESULT WINAPI ISF_Desktop_fnGetDefaultSearchGUID(IShellFolder2 *iface,
 893                 GUID * pguid)
 894 {
 895     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 896
 897     FIXME ("(%p)\n", This);
 898     return E_NOTIMPL;
 899 }
 900
 901 static HRESULT WINAPI ISF_Desktop_fnEnumSearches (IShellFolder2 *iface,
 902                 IEnumExtraSearch ** ppenum)
 903 {
 904     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 905     FIXME ("(%p)\n", This);
 906     return E_NOTIMPL;
 907 }
 908
 909 static HRESULT WINAPI ISF_Desktop_fnGetDefaultColumn (IShellFolder2 * iface,
 910                 DWORD dwRes, ULONG * pSort, ULONG * pDisplay)
 911 {
 912     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 913
 914     TRACE ("(%p)\n", This);
 915
 916     if (pSort)
 917         *pSort = 0;
 918     if (pDisplay)
 919         *pDisplay = 0;
 920
 921     return S_OK;
 922 }
 923 static HRESULT WINAPI ISF_Desktop_fnGetDefaultColumnState (
 924                 IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 925 {
 926     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 927
 928     TRACE ("(%p)\n", This);
 929
 930     if (!pcsFlags || iColumn >= DESKTOPSHELLVIEWCOLUMNS)
 931     return E_INVALIDARG;
 932
 933     *pcsFlags = DesktopSFHeader[iColumn].pcsFlags;
 934
 935     return S_OK;
 936 }
 937
 938 static HRESULT WINAPI ISF_Desktop_fnGetDetailsEx (IShellFolder2 * iface,
 939                 LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 940 {
 941     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 942     FIXME ("(%p)\n", This);
 943
 944     return E_NOTIMPL;
 945 }
 946
 947 static HRESULT WINAPI ISF_Desktop_fnGetDetailsOf (IShellFolder2 * iface,
 948                 LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 949 {
 950     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 951
 952     HRESULT hr = S_OK;
 953
 954     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 955
 956     if (!psd || iColumn >= DESKTOPSHELLVIEWCOLUMNS)
 957         return E_INVALIDARG;
 958
 959     if (!pidl)
 960     {
 961         psd->fmt = DesktopSFHeader[iColumn].fmt;
 962         psd->cxChar = DesktopSFHeader[iColumn].cxChar;
 963         psd->str.uType = STRRET_CSTR;
 964         LoadStringA (shell32_hInstance, DesktopSFHeader[iColumn].colnameid,
 965                      psd->str.u.cStr, MAX_PATH);
 966         return S_OK;
 967     }
 968
 969     /* the data from the pidl */
 970     psd->str.uType = STRRET_CSTR;
 971     switch (iColumn)
 972     {
 973     case 0:        /* name */
 974         hr = IShellFolder_GetDisplayNameOf(iface, pidl,
 975                    SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 976         break;
 977     case 1:        /* size */
 978         _ILGetFileSize (pidl, psd->str.u.cStr, MAX_PATH);
 979         break;
 980     case 2:        /* type */
 981         _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 982         break;
 983     case 3:        /* date */
 984         _ILGetFileDate (pidl, psd->str.u.cStr, MAX_PATH);
 985         break;
 986     case 4:        /* attributes */
 987         _ILGetFileAttributes (pidl, psd->str.u.cStr, MAX_PATH);
 988         break;
 989     }
 990
 991     return hr;
 992 }
 993
 994 static HRESULT WINAPI ISF_Desktop_fnMapColumnToSCID (
 995                 IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
 996 {
 997     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 998     FIXME ("(%p)\n", This);
 999     return E_NOTIMPL;
1000 }
1001
1002 static const IShellFolder2Vtbl vt_MCFldr_ShellFolder2 =
1003 {
1004     ISF_Desktop_fnQueryInterface,
1005     ISF_Desktop_fnAddRef,
1006     ISF_Desktop_fnRelease,
1007     ISF_Desktop_fnParseDisplayName,
1008     ISF_Desktop_fnEnumObjects,
1009     ISF_Desktop_fnBindToObject,
1010     ISF_Desktop_fnBindToStorage,
1011     ISF_Desktop_fnCompareIDs,
1012     ISF_Desktop_fnCreateViewObject,
1013     ISF_Desktop_fnGetAttributesOf,
1014     ISF_Desktop_fnGetUIObjectOf,
1015     ISF_Desktop_fnGetDisplayNameOf,
1016     ISF_Desktop_fnSetNameOf,
1017     /* ShellFolder2 */
1018     ISF_Desktop_fnGetDefaultSearchGUID,
1019     ISF_Desktop_fnEnumSearches,
1020     ISF_Desktop_fnGetDefaultColumn,
1021     ISF_Desktop_fnGetDefaultColumnState,
1022     ISF_Desktop_fnGetDetailsEx,
1023     ISF_Desktop_fnGetDetailsOf,
1024     ISF_Desktop_fnMapColumnToSCID
1025 };
1026
1027 static inline IGenericSFImpl *impl_from_IPersistFolder2( IPersistFolder2 *iface )
1028 {
1029     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpPF2));
1030 }
1031
1032 static HRESULT WINAPI
1033 ISF_Desktop_PersistFolder2_fnQueryInterface (IPersistFolder2 * iface, REFIID iid,
1034                                        LPVOID * ppvObj)
1035 {
1036     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
1037
1038     TRACE ("(%p)\n", This);
1039
1040     return ISF_Desktop_fnQueryInterface ((IShellFolder2*)This, iid, ppvObj);
1041 }
1042
1043 static ULONG WINAPI
1044 ISF_Desktop_PersistFolder2_fnAddRef (IPersistFolder2 * iface)
1045 {
1046     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
1047
1048     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1049
1050     return ISF_Desktop_fnAddRef((IShellFolder2*)This);
1051 }
1052
1053 static ULONG WINAPI
1054 ISF_Desktop_PersistFolder2_fnRelease (IPersistFolder2 * iface)
1055 {
1056     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
1057
1058     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1059
1060     return ISF_Desktop_fnRelease ((IShellFolder2*)This);
1061 }
1062
1063 static HRESULT WINAPI
1064 ISF_Desktop_PersistFolder2_fnGetClassID (IPersistFolder2 * iface, CLSID * lpClassId)
1065 {
1066     static GUID const CLSID_Desktop =
1067     { 0x00021400, 0x0000, 0x0000, {0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46} };
1068
1069     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
1070
1071     TRACE ("(%p)\n", This);
1072
1073     if (!lpClassId)
1074         return E_POINTER;
1075
1076     memcpy(lpClassId, &CLSID_Desktop, sizeof(GUID));
1077
1078     return S_OK;
1079 }
1080 static HRESULT WINAPI
1081 ISF_Desktop_PersistFolder2_fnInitialize (IPersistFolder2 * iface, LPCITEMIDLIST pidl)
1082 {
1083     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
1084
1085     TRACE ("(%p)->(%p)\n", This, pidl);
1086
1087     return E_NOTIMPL;
1088 }
1089
1090 static HRESULT WINAPI
1091 ISF_Desktop_PersistFolder2_fnGetCurFolder (IPersistFolder2 * iface,
1092                                        LPITEMIDLIST * pidl)
1093 {
1094     IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
1095
1096     TRACE ("(%p)->(%p)\n", This, pidl);
1097
1098     if (!pidl) return E_POINTER;
1099     *pidl = ILClone (This->pidlRoot);
1100     return S_OK;
1101 }
1102
1103 static const IPersistFolder2Vtbl vt_FSFldr_PersistFolder2 =
1104 {
1105     ISF_Desktop_PersistFolder2_fnQueryInterface,
1106     ISF_Desktop_PersistFolder2_fnAddRef,
1107     ISF_Desktop_PersistFolder2_fnRelease,
1108     ISF_Desktop_PersistFolder2_fnGetClassID,
1109     ISF_Desktop_PersistFolder2_fnInitialize,
1110     ISF_Desktop_PersistFolder2_fnGetCurFolder,
1111 };
1112
1113 static HRESULT WINAPI
1114 ISF_Desktop_ISFHelper_fnQueryInterface (ISFHelper * iface, REFIID riid, LPVOID * ppvObj)
1115 {
1116     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1117
1118     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1119
1120     return ISF_Desktop_fnQueryInterface ((IShellFolder2*)This, riid, ppvObj);
1121 }
1122
1123 static ULONG WINAPI
1124 ISF_Desktop_ISFHelper_fnAddRef (ISFHelper * iface)
1125 {
1126     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1127
1128     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1129
1130     return ISF_Desktop_fnAddRef((IShellFolder2*)This);
1131 }
1132
1133 static ULONG WINAPI
1134 ISF_Desktop_ISFHelper_fnRelease (ISFHelper * iface)
1135 {
1136     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1137
1138     TRACE ("(%p)\n", This);
1139
1140     return ISF_Desktop_fnRelease ((IShellFolder2*)This);
1141 }
1142
1143 static HRESULT WINAPI
1144 ISF_Desktop_ISFHelper_fnGetUniqueName (ISFHelper * iface, LPWSTR pwszName, UINT uLen)
1145 {
1146     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1147     IEnumIDList *penum;
1148     HRESULT hr;
1149     WCHAR wszText[MAX_PATH];
1150     WCHAR wszNewFolder[25];
1151     const WCHAR wszFormat[] = {'%','s',' ','%','d',0 };
1152
1153     LoadStringW(shell32_hInstance, IDS_NEWFOLDER, wszNewFolder,  sizeof(wszNewFolder)/sizeof(WCHAR));
1154
1155     TRACE ("(%p)(%p %u)\n", This, pwszName, uLen);
1156
1157     if (uLen < sizeof(wszNewFolder)/sizeof(WCHAR) + 3)
1158         return E_POINTER;
1159
1160     lstrcpynW (pwszName, wszNewFolder, uLen);
1161
1162     hr = IShellFolder_EnumObjects ((IShellFolder2*)This, 0,
1163      SHCONTF_FOLDERS | SHCONTF_NONFOLDERS | SHCONTF_INCLUDEHIDDEN, &penum);
1164     if (penum) {
1165         LPITEMIDLIST pidl;
1166         DWORD dwFetched;
1167         int i = 1;
1168
1169 next:
1170         IEnumIDList_Reset (penum);
1171         while (S_OK == IEnumIDList_Next (penum, 1, &pidl, &dwFetched) &&
1172          dwFetched) {
1173             _ILSimpleGetTextW (pidl, wszText, MAX_PATH);
1174             if (0 == lstrcmpiW (wszText, pwszName)) {
1175                 snprintfW (pwszName, uLen, wszFormat, wszNewFolder, i++);
1176                 if (i > 99) {
1177                     hr = E_FAIL;
1178                     break;
1179                 }
1180                 goto next;
1181             }
1182         }
1183
1184         IEnumIDList_Release (penum);
1185     }
1186     return hr;
1187 }
1188
1189 static HRESULT WINAPI
1190 ISF_Desktop_ISFHelper_fnAddFolder (ISFHelper * iface, HWND hwnd, LPCWSTR pwszName,
1191                        LPITEMIDLIST * ppidlOut)
1192 {
1193     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1194     WCHAR wszNewDir[MAX_PATH];
1195     DWORD bRes;
1196     HRESULT hres = E_FAIL;
1197
1198     TRACE ("(%p)(%s %p)\n", This, debugstr_w(pwszName), ppidlOut);
1199
1200     wszNewDir[0] = 0;
1201     if (This->sPathTarget)
1202         lstrcpynW(wszNewDir, This->sPathTarget, MAX_PATH);
1203     PathAppendW(wszNewDir, pwszName);
1204     bRes = CreateDirectoryW (wszNewDir, NULL);
1205     if (bRes)
1206     {
1207         SHChangeNotify (SHCNE_MKDIR, SHCNF_PATHW, wszNewDir, NULL);
1208         hres = S_OK;
1209         if (ppidlOut)
1210                 hres = _ILCreateFromPathW(wszNewDir, ppidlOut);
1211     }
1212
1213     return hres;
1214 }
1215 static HRESULT WINAPI
1216 ISF_Desktop_ISFHelper_fnDeleteItems (ISFHelper * iface, UINT cidl, LPCITEMIDLIST * apidl)
1217 {
1218     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1219     UINT i;
1220     SHFILEOPSTRUCTW op;
1221     WCHAR wszPath[MAX_PATH];
1222     WCHAR wszCaption[50];
1223     WCHAR *wszPathsList;
1224     HRESULT ret;
1225     WCHAR *wszCurrentPath;
1226     UINT bRestoreWithDeskCpl = FALSE;
1227     int res;
1228
1229     TRACE ("(%p)(%u %p)\n", This, cidl, apidl);
1230     if (cidl==0) return S_OK;
1231
1232     for(i = 0; i < cidl; i++)
1233     {
1234         if (_ILIsMyComputer(apidl[i]))
1235             bRestoreWithDeskCpl++;
1236         else if (_ILIsNetHood(apidl[i]))
1237             bRestoreWithDeskCpl++;
1238         else if (_ILIsMyDocuments(apidl[i]))
1239             bRestoreWithDeskCpl++;
1240     }
1241
1242     if (bRestoreWithDeskCpl)
1243     {
1244         /* FIXME use FormatMessage
1245          * use a similar message resource as in windows
1246          */
1247         LoadStringW(shell32_hInstance, IDS_DELETEMULTIPLE_TEXT, wszPath, sizeof(wszPath)/sizeof(WCHAR));
1248         wszPath[(sizeof(wszPath)/sizeof(WCHAR))-1] = 0;
1249
1250         LoadStringW(shell32_hInstance, IDS_DELETEITEM_CAPTION, wszCaption, sizeof(wszCaption)/sizeof(WCHAR));
1251         wszCaption[(sizeof(wszCaption)/sizeof(WCHAR))-1] = 0;
1252
1253         res = SHELL_ConfirmMsgBox(GetActiveWindow(), wszPath, wszCaption, NULL, cidl > 1);
1254         if (res == IDD_YESTOALL || res == IDYES)
1255         {
1256             for(i = 0; i < cidl; i++)
1257             {
1258                 if (_ILIsMyComputer(apidl[i]))
1259                     SetNamespaceExtensionVisibleStatus(L"{20D04FE0-3AEA-1069-A2D8-08002B30309D}", 0x1);
1260                 else if (_ILIsNetHood(apidl[i]))
1261                     SetNamespaceExtensionVisibleStatus(L"{208D2C60-3AEA-1069-A2D7-08002B30309D}", 0x1);
1262                 else if (_ILIsMyDocuments(apidl[i]))
1263                     SetNamespaceExtensionVisibleStatus(L"{450D8FBA-AD25-11D0-98A8-0800361B1103}", 0x1);
1264             }
1265         }
1266     }
1267     if (This->sPathTarget)
1268         lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
1269     else
1270         wszPath[0] = '\0';
1271
1272     PathAddBackslashW(wszPath);
1273     wszPathsList = build_paths_list(wszPath, cidl, apidl);
1274
1275     ZeroMemory(&op, sizeof(op));
1276     op.hwnd = GetActiveWindow();
1277     op.wFunc = FO_DELETE;
1278     op.pFrom = wszPathsList;
1279     op.fFlags = FOF_ALLOWUNDO;
1280     if (SHFileOperationW(&op))
1281     {
1282         WARN("SHFileOperation failed\n");
1283         ret = E_FAIL;
1284     }
1285     else
1286         ret = S_OK;
1287
1288     /* we currently need to manually send the notifies */
1289     wszCurrentPath = wszPathsList;
1290     for (i = 0; i < cidl; i++)
1291     {
1292         LONG wEventId;
1293
1294         if (_ILIsFolder(apidl[i]))
1295             wEventId = SHCNE_RMDIR;
1296         else if (_ILIsValue(apidl[i]))
1297             wEventId = SHCNE_DELETE;
1298         else
1299             continue;
1300
1301         /* check if file exists */
1302         if (GetFileAttributesW(wszCurrentPath) == INVALID_FILE_ATTRIBUTES)
1303         {
1304             LPITEMIDLIST pidl = ILCombine(This->pidlRoot, apidl[i]);
1305             SHChangeNotify(wEventId, SHCNF_IDLIST, pidl, NULL);
1306             SHFree(pidl);
1307         }
1308
1309         wszCurrentPath += lstrlenW(wszCurrentPath)+1;
1310     }
1311     HeapFree(GetProcessHeap(), 0, wszPathsList);
1312     return ret;
1313 }
1314
1315 static HRESULT WINAPI
1316 ISF_Desktop_ISFHelper_fnCopyItems (ISFHelper * iface, IShellFolder * pSFFrom, UINT cidl, LPCITEMIDLIST * apidl)
1317 {
1318     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1319
1320     TRACE ("(%p)->(%p,%u,%p)\n", This, pSFFrom, cidl, apidl);
1321     return E_NOTIMPL;
1322 }
1323
1324 static const ISFHelperVtbl vt_FSFldr_ISFHelper =
1325 {
1326     ISF_Desktop_ISFHelper_fnQueryInterface,
1327     ISF_Desktop_ISFHelper_fnAddRef,
1328     ISF_Desktop_ISFHelper_fnRelease,
1329     ISF_Desktop_ISFHelper_fnGetUniqueName,
1330     ISF_Desktop_ISFHelper_fnAddFolder,
1331     ISF_Desktop_ISFHelper_fnDeleteItems,
1332     ISF_Desktop_ISFHelper_fnCopyItems
1333 };
1334
1335
1336 /**************************************************************************
1337  *    ISF_Desktop_Constructor
1338  */
1339 HRESULT WINAPI ISF_Desktop_Constructor (
1340                 IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
1341 {
1342     static IGenericSFImpl *cached_sf;
1343     WCHAR szMyPath[MAX_PATH];
1344
1345     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
1346
1347     if (!ppv)
1348         return E_POINTER;
1349     if (pUnkOuter)
1350         return CLASS_E_NOAGGREGATION;
1351
1352     if (!cached_sf)
1353     {
1354         IGenericSFImpl *sf;
1355
1356         if (!SHGetSpecialFolderPathW( 0, szMyPath, CSIDL_DESKTOPDIRECTORY, TRUE ))
1357             return E_UNEXPECTED;
1358
1359         sf = LocalAlloc( LMEM_ZEROINIT, sizeof (IGenericSFImpl) );
1360         if (!sf)
1361             return E_OUTOFMEMORY;
1362
1363         sf->ref = 1;
1364         sf->lpVtbl = &vt_MCFldr_ShellFolder2;
1365         sf->lpPF2 = &vt_FSFldr_PersistFolder2;
1366         sf->lpvtblSFHelper = &vt_FSFldr_ISFHelper;
1367         sf->pidlRoot = _ILCreateDesktop();    /* my qualified pidl */
1368         sf->sPathTarget = SHAlloc( (lstrlenW(szMyPath) + 1)*sizeof(WCHAR) );
1369         lstrcpyW( sf->sPathTarget, szMyPath );
1370
1371         if (InterlockedCompareExchangePointer((void *)&cached_sf, sf, NULL) != NULL)
1372         {
1373             /* some other thread already been here */
1374             SHFree( sf->pidlRoot );
1375             SHFree( sf->sPathTarget );
1376             LocalFree( sf );
1377         }
1378     }
1379
1380     return IUnknown_QueryInterface( _IUnknown_(cached_sf), riid, ppv );
1381 }