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 "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 *   IShellFolder implementation
  60 */
  61
  62 typedef struct {
  63     const IUnknownVtbl        *lpVtbl;
  64     LONG                ref;
  65     const IShellFolder2Vtbl   *lpvtblShellFolder;
  66     const IPersistFolder3Vtbl *lpvtblPersistFolder3;
  67     const IDropTargetVtbl     *lpvtblDropTarget;
  68     const ISFHelperVtbl       *lpvtblSFHelper;
  69
  70     IUnknown *pUnkOuter; /* used for aggregation */
  71
  72     CLSID *pclsid;
  73
  74     /* both paths are parsible from the desktop */
  75     LPWSTR sPathTarget;     /* complete path to target used for enumeration and ChangeNotify */
  76
  77     LPITEMIDLIST pidlRoot; /* absolute pidl */
  78
  79     UINT cfShellIDList;    /* clipboardformat for IDropTarget */
  80     BOOL fAcceptFmt;       /* flag for pending Drop */
  81 } IGenericSFImpl;
  82
  83 static const IUnknownVtbl unkvt;
  84 static const IShellFolder2Vtbl sfvt;
  85 static const IPersistFolder3Vtbl vt_FSFldr_PersistFolder3; /* IPersistFolder3 for a FS_Folder */
  86 static const IDropTargetVtbl dtvt;
  87 static const ISFHelperVtbl shvt;
  88
  89 static inline IGenericSFImpl *impl_from_IShellFolder2( IShellFolder2 *iface )
  90 {
  91     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpvtblShellFolder));
  92 }
  93
  94 static inline IGenericSFImpl *impl_from_IPersistFolder3( IPersistFolder3 *iface )
  95 {
  96     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpvtblPersistFolder3));
  97 }
  98
  99 static inline IGenericSFImpl *impl_from_IDropTarget( IDropTarget *iface )
 100 {
 101     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpvtblDropTarget));
 102 }
 103
 104 static inline IGenericSFImpl *impl_from_ISFHelper( ISFHelper *iface )
 105 {
 106     return (IGenericSFImpl *)((char*)iface - FIELD_OFFSET(IGenericSFImpl, lpvtblSFHelper));
 107 }
 108
 109
 110 /*
 111   converts This to an interface pointer
 112 */
 113 #define _IUnknown_(This)        (IUnknown*)&(This->lpVtbl)
 114 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpvtblShellFolder)
 115 #define _IShellFolder2_(This)   (IShellFolder2*)&(This->lpvtblShellFolder)
 116 #define _IPersist_(This)        (IPersist*)&(This->lpvtblPersistFolder3)
 117 #define _IPersistFolder_(This)  (IPersistFolder*)&(This->lpvtblPersistFolder3)
 118 #define _IPersistFolder2_(This) (IPersistFolder2*)&(This->lpvtblPersistFolder3)
 119 #define _IPersistFolder3_(This) (IPersistFolder3*)&(This->lpvtblPersistFolder3)
 120 #define _IDropTarget_(This)     (IDropTarget*)&(This->lpvtblDropTarget)
 121 #define _ISFHelper_(This)       (ISFHelper*)&(This->lpvtblSFHelper)
 122
 123 /**************************************************************************
 124 * registers clipboardformat once
 125 */
 126 static void SF_RegisterClipFmt (IGenericSFImpl * This)
 127 {
 128     TRACE ("(%p)\n", This);
 129
 130     if (!This->cfShellIDList) {
 131         This->cfShellIDList = RegisterClipboardFormatA (CFSTR_SHELLIDLIST);
 132     }
 133 }
 134
 135 /**************************************************************************
 136 * we need a separate IUnknown to handle aggregation
 137 * (inner IUnknown)
 138 */
 139 static HRESULT WINAPI IUnknown_fnQueryInterface (IUnknown * iface, REFIID riid, LPVOID * ppvObj)
 140 {
 141     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 142
 143     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 144
 145     *ppvObj = NULL;
 146
 147     if (IsEqualIID (riid, &IID_IUnknown))
 148         *ppvObj = _IUnknown_ (This);
 149     else if (IsEqualIID (riid, &IID_IShellFolder))
 150         *ppvObj = _IShellFolder_ (This);
 151     else if (IsEqualIID (riid, &IID_IShellFolder2))
 152         *ppvObj = _IShellFolder_ (This);
 153     else if (IsEqualIID (riid, &IID_IPersist))
 154         *ppvObj = _IPersist_ (This);
 155     else if (IsEqualIID (riid, &IID_IPersistFolder))
 156         *ppvObj = _IPersistFolder_ (This);
 157     else if (IsEqualIID (riid, &IID_IPersistFolder2))
 158         *ppvObj = _IPersistFolder2_ (This);
 159     else if (IsEqualIID (riid, &IID_IPersistFolder3))
 160         *ppvObj = _IPersistFolder3_ (This);
 161     else if (IsEqualIID (riid, &IID_ISFHelper))
 162         *ppvObj = _ISFHelper_ (This);
 163     else if (IsEqualIID (riid, &IID_IDropTarget)) {
 164         *ppvObj = _IDropTarget_ (This);
 165         SF_RegisterClipFmt (This);
 166     }
 167
 168     if (*ppvObj) {
 169         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 170         TRACE ("-- Interface = %p\n", *ppvObj);
 171         return S_OK;
 172     }
 173     TRACE ("-- Interface: E_NOINTERFACE\n");
 174     return E_NOINTERFACE;
 175 }
 176
 177 static ULONG WINAPI IUnknown_fnAddRef (IUnknown * iface)
 178 {
 179     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 180     ULONG refCount = InterlockedIncrement(&This->ref);
 181
 182     TRACE ("(%p)->(count=%u)\n", This, refCount - 1);
 183
 184     return refCount;
 185 }
 186
 187 static ULONG WINAPI IUnknown_fnRelease (IUnknown * iface)
 188 {
 189     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 190     ULONG refCount = InterlockedDecrement(&This->ref);
 191
 192     TRACE ("(%p)->(count=%u)\n", This, refCount + 1);
 193
 194     if (!refCount) {
 195         TRACE ("-- destroying IShellFolder(%p)\n", This);
 196
 197         SHFree (This->pidlRoot);
 198         SHFree (This->sPathTarget);
 199         LocalFree ((HLOCAL) This);
 200     }
 201     return refCount;
 202 }
 203
 204 static const IUnknownVtbl unkvt =
 205 {
 206       IUnknown_fnQueryInterface,
 207       IUnknown_fnAddRef,
 208       IUnknown_fnRelease,
 209 };
 210
 211 static const shvheader GenericSFHeader[] = {
 212     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 213     {IDS_SHV_COLUMN2, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 214     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 215     {IDS_SHV_COLUMN4, SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
 216     {IDS_SHV_COLUMN5, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 5}
 217 };
 218
 219 #define GENERICSHELLVIEWCOLUMNS 5
 220
 221 /**************************************************************************
 222 * IFSFolder_Constructor
 223 *
 224 * NOTES
 225 *  creating undocumented ShellFS_Folder as part of an aggregation
 226 *  {F3364BA0-65B9-11CE-A9BA-00AA004AE837}
 227 *
 228 */
 229 HRESULT WINAPI
 230 IFSFolder_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
 231 {
 232     IGenericSFImpl *sf;
 233
 234     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
 235
 236     if (pUnkOuter && !IsEqualIID (riid, &IID_IUnknown))
 237         return CLASS_E_NOAGGREGATION;
 238     sf = (IGenericSFImpl *) LocalAlloc (LMEM_ZEROINIT, sizeof (IGenericSFImpl));
 239     if (!sf)
 240         return E_OUTOFMEMORY;
 241
 242     sf->ref = 0;
 243     sf->lpVtbl = &unkvt;
 244     sf->lpvtblShellFolder = &sfvt;
 245     sf->lpvtblPersistFolder3 = &vt_FSFldr_PersistFolder3;
 246     sf->lpvtblDropTarget = &dtvt;
 247     sf->lpvtblSFHelper = &shvt;
 248     sf->pclsid = (CLSID *) & CLSID_ShellFSFolder;
 249     sf->pUnkOuter = pUnkOuter ? pUnkOuter : _IUnknown_ (sf);
 250
 251     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv))) {
 252         IUnknown_Release (_IUnknown_ (sf));
 253         return E_NOINTERFACE;
 254     }
 255
 256     TRACE ("--%p\n", *ppv);
 257     return S_OK;
 258 }
 259
 260 /**************************************************************************
 261  *  IShellFolder_fnQueryInterface
 262  *
 263  * PARAMETERS
 264  *  REFIID riid       [in ] Requested InterfaceID
 265  *  LPVOID* ppvObject [out] Interface* to hold the result
 266  */
 267 static HRESULT WINAPI
 268 IShellFolder_fnQueryInterface (IShellFolder2 * iface, REFIID riid,
 269                                LPVOID * ppvObj)
 270 {
 271     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 272
 273     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 274
 275     return IUnknown_QueryInterface (This->pUnkOuter, riid, ppvObj);
 276 }
 277
 278 /**************************************************************************
 279 *  IShellFolder_AddRef
 280 */
 281
 282 static ULONG WINAPI IShellFolder_fnAddRef (IShellFolder2 * iface)
 283 {
 284     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 285
 286     TRACE ("(%p)->(count=%u)\n", This, This->ref);
 287
 288     return IUnknown_AddRef (This->pUnkOuter);
 289 }
 290
 291 /**************************************************************************
 292  *  IShellFolder_fnRelease
 293  */
 294 static ULONG WINAPI IShellFolder_fnRelease (IShellFolder2 * iface)
 295 {
 296     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 297
 298     TRACE ("(%p)->(count=%u)\n", This, This->ref);
 299
 300     return IUnknown_Release (This->pUnkOuter);
 301 }
 302
 303 /**************************************************************************
 304  *  SHELL32_CreatePidlFromBindCtx  [internal]
 305  *
 306  *  If the caller bound File System Bind Data, assume it is the
 307  *   find data for the path.
 308  *  This allows binding of paths that don't exist.
 309  */
 310 LPITEMIDLIST SHELL32_CreatePidlFromBindCtx(IBindCtx *pbc, LPCWSTR path)
 311 {
 312     static WCHAR szfsbc[] = {
 313         'F','i','l','e',' ','S','y','s','t','e','m',' ',
 314         'B','i','n','d',' ','D','a','t','a',0 };
 315     IFileSystemBindData *fsbd = NULL;
 316     LPITEMIDLIST pidl = NULL;
 317     IUnknown *param = NULL;
 318     WIN32_FIND_DATAW wfd;
 319     HRESULT r;
 320
 321     TRACE("%p %s\n", pbc, debugstr_w(path));
 322
 323     if (!pbc)
 324         return NULL;
 325
 326     /* see if the caller bound File System Bind Data */
 327     r = IBindCtx_GetObjectParam( pbc, (LPOLESTR) szfsbc, &param );
 328     if (FAILED(r))
 329         return NULL;
 330
 331     r = IUnknown_QueryInterface( param, &IID_IFileSystemBindData,
 332                                  (LPVOID*) &fsbd );
 333     if (SUCCEEDED(r))
 334     {
 335         r = IFileSystemBindData_GetFindData( fsbd, &wfd );
 336         if (SUCCEEDED(r))
 337         {
 338             lstrcpynW( &wfd.cFileName[0], path, MAX_PATH );
 339             pidl = _ILCreateFromFindDataW( &wfd );
 340         }
 341         IFileSystemBindData_Release( fsbd );
 342     }
 343
 344     return pidl;
 345 }
 346
 347 /**************************************************************************
 348 * IShellFolder_ParseDisplayName {SHELL32}
 349 *
 350 * Parse a display name.
 351 *
 352 * PARAMS
 353 *  hwndOwner       [in]  Parent window for any message's
 354 *  pbc             [in]  optional FileSystemBindData context
 355 *  lpszDisplayName [in]  Unicode displayname.
 356 *  pchEaten        [out] (unicode) characters processed
 357 *  ppidl           [out] complex pidl to item
 358 *  pdwAttributes   [out] items attributes
 359 *
 360 * NOTES
 361 *  Every folder tries to parse only its own (the leftmost) pidl and creates a
 362 *  subfolder to evaluate the remaining parts.
 363 *  Now we can parse into namespaces implemented by shell extensions
 364 *
 365 *  Behaviour on win98: lpszDisplayName=NULL -> crash
 366 *                      lpszDisplayName="" -> returns mycoputer-pidl
 367 *
 368 * FIXME
 369 *    pdwAttributes is not set
 370 *    pchEaten is not set like in windows
 371 */
 372 static HRESULT WINAPI
 373 IShellFolder_fnParseDisplayName (IShellFolder2 * iface,
 374                                  HWND hwndOwner,
 375                                  LPBC pbc,
 376                                  LPOLESTR lpszDisplayName,
 377                                  DWORD * pchEaten, LPITEMIDLIST * ppidl,
 378                                  DWORD * pdwAttributes)
 379 {
 380     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 381
 382     HRESULT hr = E_INVALIDARG;
 383     LPCWSTR szNext = NULL;
 384     WCHAR szElement[MAX_PATH];
 385     WCHAR szPath[MAX_PATH];
 386     LPITEMIDLIST pidlTemp = NULL;
 387     DWORD len;
 388
 389     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 390      This, hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName),
 391      pchEaten, ppidl, pdwAttributes);
 392
 393     if (!lpszDisplayName || !ppidl)
 394         return E_INVALIDARG;
 395
 396     if (pchEaten)
 397         *pchEaten = 0; /* strange but like the original */
 398
 399     pidlTemp = SHELL32_CreatePidlFromBindCtx(pbc, lpszDisplayName);
 400     if (!pidlTemp && *lpszDisplayName)
 401     {
 402         /* get the next element */
 403         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 404
 405         /* build the full pathname to the element */
 406         lstrcpynW(szPath, This->sPathTarget, MAX_PATH - 1);
 407         PathAddBackslashW(szPath);
 408         len = lstrlenW(szPath);
 409         lstrcpynW(szPath + len, szElement, MAX_PATH - len);
 410
 411         /* get the pidl */
 412         hr = _ILCreateFromPathW(szPath, &pidlTemp);
 413
 414         if (SUCCEEDED(hr)) {
 415             if (szNext && *szNext) {
 416                 /* try to analyse the next element */
 417                 hr = SHELL32_ParseNextElement (iface, hwndOwner, pbc,
 418                  &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 419             } else {
 420                 /* it's the last element */
 421                 if (pdwAttributes && *pdwAttributes) {
 422                     hr = SHELL32_GetItemAttributes (_IShellFolder_ (This),
 423                      pidlTemp, pdwAttributes);
 424                 }
 425             }
 426         }
 427     }
 428
 429     if (SUCCEEDED(hr))
 430         *ppidl = pidlTemp;
 431     else
 432         *ppidl = NULL;
 433
 434     TRACE ("(%p)->(-- pidl=%p ret=0x%08x)\n", This, ppidl ? *ppidl : 0, hr);
 435
 436     return hr;
 437 }
 438
 439 /**************************************************************************
 440 * IShellFolder_fnEnumObjects
 441 * PARAMETERS
 442 *  HWND          hwndOwner,    //[in ] Parent Window
 443 *  DWORD         grfFlags,     //[in ] SHCONTF enumeration mask
 444 *  LPENUMIDLIST* ppenumIDList  //[out] IEnumIDList interface
 445 */
 446 static HRESULT WINAPI
 447 IShellFolder_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner,
 448                             DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 449 {
 450     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 451
 452     TRACE ("(%p)->(HWND=%p flags=0x%08x pplist=%p)\n", This, hwndOwner,
 453      dwFlags, ppEnumIDList);
 454
 455     *ppEnumIDList = IEnumIDList_Constructor();
 456     if (*ppEnumIDList)
 457         CreateFolderEnumList(*ppEnumIDList, This->sPathTarget, dwFlags);
 458
 459     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 460
 461     return *ppEnumIDList ? S_OK : E_OUTOFMEMORY;
 462 }
 463
 464 /**************************************************************************
 465 * IShellFolder_fnBindToObject
 466 * PARAMETERS
 467 *  LPCITEMIDLIST pidl,       //[in ] relative pidl to open
 468 *  LPBC          pbc,        //[in ] optional FileSystemBindData context
 469 *  REFIID        riid,       //[in ] Initial Interface
 470 *  LPVOID*       ppvObject   //[out] Interface*
 471 */
 472 static HRESULT WINAPI
 473 IShellFolder_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 474                              LPBC pbc, REFIID riid, LPVOID * ppvOut)
 475 {
 476     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 477
 478     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbc,
 479      shdebugstr_guid (riid), ppvOut);
 480
 481     return SHELL32_BindToChild (This->pidlRoot, This->sPathTarget, pidl, riid,
 482      ppvOut);
 483 }
 484
 485 /**************************************************************************
 486 *  IShellFolder_fnBindToStorage
 487 * PARAMETERS
 488 *  LPCITEMIDLIST pidl,       //[in ] complex pidl to store
 489 *  LPBC          pbc,        //[in ] reserved
 490 *  REFIID        riid,       //[in ] Initial storage interface
 491 *  LPVOID*       ppvObject   //[out] Interface* returned
 492 */
 493 static HRESULT WINAPI
 494 IShellFolder_fnBindToStorage (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 495                               LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 496 {
 497     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 498
 499     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved,
 500      shdebugstr_guid (riid), ppvOut);
 501
 502     *ppvOut = NULL;
 503     return E_NOTIMPL;
 504 }
 505
 506 /**************************************************************************
 507 *  IShellFolder_fnCompareIDs
 508 */
 509
 510 static HRESULT WINAPI
 511 IShellFolder_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam,
 512                            LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 513 {
 514     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 515
 516     int nReturn;
 517
 518     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 519     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 520     TRACE ("-- %i\n", nReturn);
 521     return nReturn;
 522 }
 523
 524 /**************************************************************************
 525 * IShellFolder_fnCreateViewObject
 526 */
 527 static HRESULT WINAPI
 528 IShellFolder_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner,
 529                                  REFIID riid, LPVOID * ppvOut)
 530 {
 531     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 532
 533     LPSHELLVIEW pShellView;
 534     HRESULT hr = E_INVALIDARG;
 535
 536     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid),
 537      ppvOut);
 538
 539     if (ppvOut) {
 540         *ppvOut = NULL;
 541
 542         if (IsEqualIID (riid, &IID_IDropTarget)) {
 543             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget, ppvOut);
 544         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
 545             FIXME ("IContextMenu not implemented\n");
 546             hr = E_NOTIMPL;
 547         } else if (IsEqualIID (riid, &IID_IShellView)) {
 548             pShellView = IShellView_Constructor ((IShellFolder *) iface);
 549             if (pShellView) {
 550                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 551                 IShellView_Release (pShellView);
 552             }
 553         }
 554     }
 555     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 556     return hr;
 557 }
 558
 559 /**************************************************************************
 560 *  IShellFolder_fnGetAttributesOf
 561 *
 562 * PARAMETERS
 563 *  UINT            cidl,     //[in ] num elements in pidl array
 564 *  LPCITEMIDLIST*  apidl,    //[in ] simple pidl array
 565 *  ULONG*          rgfInOut) //[out] result array
 566 *
 567 */
 568 static HRESULT WINAPI
 569 IShellFolder_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl,
 570                                 LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 571 {
 572     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 573
 574     HRESULT hr = S_OK;
 575
 576     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n", This, cidl, apidl,
 577      rgfInOut, rgfInOut ? *rgfInOut : 0);
 578
 579     if (!rgfInOut)
 580         return E_INVALIDARG;
 581     if (cidl && !apidl)
 582         return E_INVALIDARG;
 583
 584     if (*rgfInOut == 0)
 585         *rgfInOut = ~0;
 586
 587     if(cidl == 0){
 588         IShellFolder *psfParent = NULL;
 589         LPCITEMIDLIST rpidl = NULL;
 590
 591         hr = SHBindToParent(This->pidlRoot, &IID_IShellFolder, (LPVOID*)&psfParent, (LPCITEMIDLIST*)&rpidl);
 592         if(SUCCEEDED(hr)) {
 593             SHELL32_GetItemAttributes (psfParent, rpidl, rgfInOut);
 594             IShellFolder_Release(psfParent);
 595         }
 596     }
 597     else {
 598         while (cidl > 0 && *apidl) {
 599             pdump (*apidl);
 600             SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 601             apidl++;
 602             cidl--;
 603         }
 604     }
 605     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
 606     *rgfInOut &= ~SFGAO_VALIDATE;
 607
 608     TRACE ("-- result=0x%08x\n", *rgfInOut);
 609
 610     return hr;
 611 }
 612
 613 /**************************************************************************
 614 *  IShellFolder_fnGetUIObjectOf
 615 *
 616 * PARAMETERS
 617 *  HWND           hwndOwner, //[in ] Parent window for any output
 618 *  UINT           cidl,      //[in ] array size
 619 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 620 *  REFIID         riid,      //[in ] Requested Interface
 621 *  UINT*          prgfInOut, //[   ] reserved
 622 *  LPVOID*        ppvObject) //[out] Resulting Interface
 623 *
 624 * NOTES
 625 *  This function gets asked to return "view objects" for one or more (multiple
 626 *  select) items:
 627 *  The viewobject typically is an COM object with one of the following
 628 *  interfaces:
 629 *  IExtractIcon,IDataObject,IContextMenu
 630 *  In order to support icon positions in the default Listview your DataObject
 631 *  must implement the SetData method (in addition to GetData :) - the shell
 632 *  passes a barely documented "Icon positions" structure to SetData when the
 633 *  drag starts, and GetData's it if the drop is in another explorer window that
 634 *  needs the positions.
 635 */
 636 static HRESULT WINAPI
 637 IShellFolder_fnGetUIObjectOf (IShellFolder2 * iface,
 638                               HWND hwndOwner,
 639                               UINT cidl, LPCITEMIDLIST * apidl, REFIID riid,
 640                               UINT * prgfInOut, LPVOID * ppvOut)
 641 {
 642     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 643
 644     LPITEMIDLIST pidl;
 645     IUnknown *pObj = NULL;
 646     HRESULT hr = E_INVALIDARG;
 647
 648     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 649      This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 650
 651     if (ppvOut) {
 652         *ppvOut = NULL;
 653
 654         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
 655             pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface,
 656              This->pidlRoot, apidl, cidl);
 657             hr = S_OK;
 658         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
 659             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner,
 660              This->pidlRoot, apidl, cidl);
 661             hr = S_OK;
 662         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
 663             pidl = ILCombine (This->pidlRoot, apidl[0]);
 664             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 665             SHFree (pidl);
 666             hr = S_OK;
 667         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
 668             pidl = ILCombine (This->pidlRoot, apidl[0]);
 669             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 670             SHFree (pidl);
 671             hr = S_OK;
 672         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
 673             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget,
 674              (LPVOID *) & pObj);
 675         } else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
 676          IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1)) {
 677             pidl = ILCombine (This->pidlRoot, apidl[0]);
 678             hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*)&pObj);
 679             SHFree (pidl);
 680         } else {
 681             hr = E_NOINTERFACE;
 682         }
 683
 684         if (SUCCEEDED(hr) && !pObj)
 685             hr = E_OUTOFMEMORY;
 686
 687         *ppvOut = pObj;
 688     }
 689     TRACE ("(%p)->hr=0x%08x\n", This, hr);
 690     return hr;
 691 }
 692
 693 static const WCHAR AdvancedW[] = { 'S','O','F','T','W','A','R','E',
 694  '\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 695  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l',
 696  'o','r','e','r','\\','A','d','v','a','n','c','e','d',0 };
 697 static const WCHAR HideFileExtW[] = { 'H','i','d','e','F','i','l','e','E','x',
 698  't',0 };
 699 static const WCHAR NeverShowExtW[] = { 'N','e','v','e','r','S','h','o','w','E',
 700  'x','t',0 };
 701
 702 /******************************************************************************
 703  * SHELL_FS_HideExtension [Internal]
 704  *
 705  * Query the registry if the filename extension of a given path should be
 706  * hidden.
 707  *
 708  * PARAMS
 709  *  szPath [I] Relative or absolute path of a file
 710  *
 711  * RETURNS
 712  *  TRUE, if the filename's extension should be hidden
 713  *  FALSE, otherwise.
 714  */
 715 BOOL SHELL_FS_HideExtension(LPWSTR szPath)
 716 {
 717     HKEY hKey;
 718     DWORD dwData;
 719     DWORD dwDataSize = sizeof (DWORD);
 720     BOOL doHide = FALSE; /* The default value is FALSE (win98 at least) */
 721
 722     if (!RegCreateKeyExW(HKEY_CURRENT_USER, AdvancedW, 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0)) {
 723         if (!RegQueryValueExW(hKey, HideFileExtW, 0, 0, (LPBYTE) &dwData, &dwDataSize))
 724             doHide = dwData;
 725         RegCloseKey (hKey);
 726     }
 727
 728     if (!doHide) {
 729         LPWSTR ext = PathFindExtensionW(szPath);
 730
 731         if (*ext != '\0') {
 732             WCHAR classname[MAX_PATH];
 733             LONG classlen = sizeof(classname);
 734
 735             if (!RegQueryValueW(HKEY_CLASSES_ROOT, ext, classname, &classlen))
 736                 if (!RegOpenKeyW(HKEY_CLASSES_ROOT, classname, &hKey)) {
 737                     if (!RegQueryValueExW(hKey, NeverShowExtW, 0, NULL, NULL, NULL))
 738                         doHide = TRUE;
 739                     RegCloseKey(hKey);
 740                 }
 741         }
 742     }
 743     return doHide;
 744 }
 745
 746 void SHELL_FS_ProcessDisplayFilename(LPWSTR szPath, DWORD dwFlags)
 747 {
 748     /*FIXME: MSDN also mentions SHGDN_FOREDITING which is not yet handled. */
 749     if (!(dwFlags & SHGDN_FORPARSING) &&
 750         ((dwFlags & SHGDN_INFOLDER) || (dwFlags == SHGDN_NORMAL))) {
 751         if (SHELL_FS_HideExtension(szPath) && szPath[0] != '.')
 752             PathRemoveExtensionW(szPath);
 753     }
 754 }
 755
 756 /**************************************************************************
 757 *  IShellFolder_fnGetDisplayNameOf
 758 *  Retrieves the display name for the specified file object or subfolder
 759 *
 760 * PARAMETERS
 761 *  LPCITEMIDLIST pidl,    //[in ] complex pidl to item
 762 *  DWORD         dwFlags, //[in ] SHGNO formatting flags
 763 *  LPSTRRET      lpName)  //[out] Returned display name
 764 *
 765 * FIXME
 766 *  if the name is in the pidl the ret value should be a STRRET_OFFSET
 767 */
 768
 769 static HRESULT WINAPI
 770 IShellFolder_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 771                                  DWORD dwFlags, LPSTRRET strRet)
 772 {
 773     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 774     WCHAR wszPath[MAX_PATH+1];
 775
 776     HRESULT hr = S_OK;
 777     int len = 0;
 778
 779     TRACE ("(%p)->(pidl=%p,0x%08x,%p)\n", This, pidl, dwFlags, strRet);
 780     pdump (pidl);
 781
 782     if (!pidl || !strRet)
 783         return E_INVALIDARG;
 784
 785     if (_ILIsDesktop(pidl)) { /* empty pidl */
 786         if ((GET_SHGDN_FOR(dwFlags) & SHGDN_FORPARSING) &&
 787             (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER))
 788         {
 789             if (This->sPathTarget)
 790                 lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
 791         } else {
 792             /* pidl has to contain exactly one non null SHITEMID */
 793             hr = E_INVALIDARG;
 794         }
 795     } else if (_ILIsPidlSimple(pidl)) {
 796         if ((GET_SHGDN_FOR(dwFlags) & SHGDN_FORPARSING) &&
 797             (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER) &&
 798             This->sPathTarget)
 799         {
 800             lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
 801             PathAddBackslashW(wszPath);
 802             len = lstrlenW(wszPath);
 803         }
 804         _ILSimpleGetTextW(pidl, wszPath + len, MAX_PATH + 1 - len);
 805         if (!_ILIsFolder(pidl)) SHELL_FS_ProcessDisplayFilename(wszPath, dwFlags);
 806     } else {
 807         hr = SHELL32_GetDisplayNameOfChild(iface, pidl, dwFlags, wszPath, MAX_PATH);
 808     }
 809
 810     if (SUCCEEDED(hr)) {
 811         strRet->uType = STRRET_CSTR;
 812         if (!WideCharToMultiByte(CP_ACP, 0, wszPath, -1, strRet->u.cStr, MAX_PATH,
 813              NULL, NULL))
 814             strRet->u.cStr[0] = '\0';
 815     }
 816
 817     TRACE ("-- (%p)->(%s)\n", This, strRet->u.cStr);
 818     return hr;
 819 }
 820
 821 /**************************************************************************
 822 *  IShellFolder_fnSetNameOf
 823 *  Changes the name of a file object or subfolder, possibly changing its item
 824 *  identifier in the process.
 825 *
 826 * PARAMETERS
 827 *  HWND          hwndOwner,  //[in ] Owner window for output
 828 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 829 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 830 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 831 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 832 */
 833 static HRESULT WINAPI IShellFolder_fnSetNameOf (IShellFolder2 * iface,
 834                                                 HWND hwndOwner,
 835                                                 LPCITEMIDLIST pidl,
 836                                                 LPCOLESTR lpName,
 837                                                 DWORD dwFlags,
 838                                                 LPITEMIDLIST * pPidlOut)
 839 {
 840     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 841     WCHAR szSrc[MAX_PATH + 1], szDest[MAX_PATH + 1];
 842     LPWSTR ptr;
 843     BOOL bIsFolder = _ILIsFolder (ILFindLastID (pidl));
 844
 845     TRACE ("(%p)->(%p,pidl=%p,%s,%u,%p)\n", This, hwndOwner, pidl,
 846      debugstr_w (lpName), dwFlags, pPidlOut);
 847
 848     /* build source path */
 849     lstrcpynW(szSrc, This->sPathTarget, MAX_PATH);
 850     ptr = PathAddBackslashW (szSrc);
 851     if (ptr)
 852         _ILSimpleGetTextW (pidl, ptr, MAX_PATH + 1 - (ptr - szSrc));
 853
 854     /* build destination path */
 855     if (dwFlags == SHGDN_NORMAL || dwFlags & SHGDN_INFOLDER) {
 856         lstrcpynW(szDest, This->sPathTarget, MAX_PATH);
 857         ptr = PathAddBackslashW (szDest);
 858         if (ptr)
 859             lstrcpynW(ptr, lpName, MAX_PATH + 1 - (ptr - szDest));
 860     } else
 861         lstrcpynW(szDest, lpName, MAX_PATH);
 862
 863     if(!(dwFlags & SHGDN_FORPARSING) && SHELL_FS_HideExtension(szSrc)) {
 864         WCHAR *ext = PathFindExtensionW(szSrc);
 865         if(*ext != '\0') {
 866             INT len = strlenW(szDest);
 867             lstrcpynW(szDest + len, ext, MAX_PATH - len);
 868         }
 869     }
 870
 871     TRACE ("src=%s dest=%s\n", debugstr_w(szSrc), debugstr_w(szDest));
 872
 873     if (MoveFileW (szSrc, szDest)) {
 874         HRESULT hr = S_OK;
 875
 876         if (pPidlOut)
 877             hr = _ILCreateFromPathW(szDest, pPidlOut);
 878
 879         SHChangeNotify (bIsFolder ? SHCNE_RENAMEFOLDER : SHCNE_RENAMEITEM,
 880          SHCNF_PATHW, szSrc, szDest);
 881
 882         return hr;
 883     }
 884
 885     return E_FAIL;
 886 }
 887
 888 static HRESULT WINAPI IShellFolder_fnGetDefaultSearchGUID (IShellFolder2 *iface,
 889                                                            GUID * pguid)
 890 {
 891     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 892     FIXME ("(%p)\n", This);
 893     return E_NOTIMPL;
 894 }
 895 static HRESULT WINAPI IShellFolder_fnEnumSearches (IShellFolder2 * iface,
 896                                                    IEnumExtraSearch ** ppenum)
 897 {
 898     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 899     FIXME ("(%p)\n", This);
 900     return E_NOTIMPL;
 901 }
 902
 903 static HRESULT WINAPI
 904 IShellFolder_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes,
 905                                  ULONG * pSort, ULONG * pDisplay)
 906 {
 907     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 908
 909     TRACE ("(%p)\n", This);
 910
 911     if (pSort)
 912         *pSort = 0;
 913     if (pDisplay)
 914         *pDisplay = 0;
 915
 916     return S_OK;
 917 }
 918
 919 static HRESULT WINAPI
 920 IShellFolder_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn,
 921                                       DWORD * pcsFlags)
 922 {
 923     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 924
 925     TRACE ("(%p)\n", This);
 926
 927     if (!pcsFlags || iColumn >= GENERICSHELLVIEWCOLUMNS)
 928         return E_INVALIDARG;
 929
 930     *pcsFlags = GenericSFHeader[iColumn].pcsFlags;
 931
 932     return S_OK;
 933 }
 934
 935 static HRESULT WINAPI
 936 IShellFolder_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 937                              const SHCOLUMNID * pscid, VARIANT * pv)
 938 {
 939     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 940     FIXME ("(%p)\n", This);
 941
 942     return E_NOTIMPL;
 943 }
 944
 945 static HRESULT WINAPI
 946 IShellFolder_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 947                              UINT iColumn, SHELLDETAILS * psd)
 948 {
 949     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 950     HRESULT hr = E_FAIL;
 951
 952     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 953
 954     if (!psd || iColumn >= GENERICSHELLVIEWCOLUMNS)
 955         return E_INVALIDARG;
 956
 957     if (!pidl) {
 958         /* the header titles */
 959         psd->fmt = GenericSFHeader[iColumn].fmt;
 960         psd->cxChar = GenericSFHeader[iColumn].cxChar;
 961         psd->str.uType = STRRET_CSTR;
 962         LoadStringA (shell32_hInstance, GenericSFHeader[iColumn].colnameid,
 963          psd->str.u.cStr, MAX_PATH);
 964         return S_OK;
 965     } else {
 966         hr = S_OK;
 967         psd->str.uType = STRRET_CSTR;
 968         /* the data from the pidl */
 969         switch (iColumn) {
 970         case 0:                /* name */
 971             hr = IShellFolder_GetDisplayNameOf (iface, pidl,
 972              SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 973             break;
 974         case 1:                /* size */
 975             _ILGetFileSize (pidl, psd->str.u.cStr, MAX_PATH);
 976             break;
 977         case 2:                /* type */
 978             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 979             break;
 980         case 3:                /* date */
 981             _ILGetFileDate (pidl, psd->str.u.cStr, MAX_PATH);
 982             break;
 983         case 4:                /* attributes */
 984             _ILGetFileAttributes (pidl, psd->str.u.cStr, MAX_PATH);
 985             break;
 986         }
 987     }
 988
 989     return hr;
 990 }
 991
 992 static HRESULT WINAPI
 993 IShellFolder_fnMapColumnToSCID (IShellFolder2 * iface, UINT column,
 994                                 SHCOLUMNID * pscid)
 995 {
 996     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
 997     FIXME ("(%p)\n", This);
 998     return E_NOTIMPL;
 999 }
1000
1001 static const IShellFolder2Vtbl sfvt =
1002 {
1003     IShellFolder_fnQueryInterface,
1004     IShellFolder_fnAddRef,
1005     IShellFolder_fnRelease,
1006     IShellFolder_fnParseDisplayName,
1007     IShellFolder_fnEnumObjects,
1008     IShellFolder_fnBindToObject,
1009     IShellFolder_fnBindToStorage,
1010     IShellFolder_fnCompareIDs,
1011     IShellFolder_fnCreateViewObject,
1012     IShellFolder_fnGetAttributesOf,
1013     IShellFolder_fnGetUIObjectOf,
1014     IShellFolder_fnGetDisplayNameOf,
1015     IShellFolder_fnSetNameOf,
1016     /* ShellFolder2 */
1017     IShellFolder_fnGetDefaultSearchGUID,
1018     IShellFolder_fnEnumSearches,
1019     IShellFolder_fnGetDefaultColumn,
1020     IShellFolder_fnGetDefaultColumnState,
1021     IShellFolder_fnGetDetailsEx,
1022     IShellFolder_fnGetDetailsOf,
1023     IShellFolder_fnMapColumnToSCID
1024 };
1025
1026 /****************************************************************************
1027  * ISFHelper for IShellFolder implementation
1028  */
1029
1030 static HRESULT WINAPI
1031 ISFHelper_fnQueryInterface (ISFHelper * iface, REFIID riid, LPVOID * ppvObj)
1032 {
1033     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1034
1035     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1036
1037     return IUnknown_QueryInterface (This->pUnkOuter, riid, ppvObj);
1038 }
1039
1040 static ULONG WINAPI ISFHelper_fnAddRef (ISFHelper * iface)
1041 {
1042     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1043
1044     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1045
1046     return IUnknown_AddRef (This->pUnkOuter);
1047 }
1048
1049 static ULONG WINAPI ISFHelper_fnRelease (ISFHelper * iface)
1050 {
1051     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1052
1053     TRACE ("(%p)\n", This);
1054
1055     return IUnknown_Release (This->pUnkOuter);
1056 }
1057
1058 /****************************************************************************
1059  * ISFHelper_fnAddFolder
1060  *
1061  * creates a unique folder name
1062  */
1063
1064 static HRESULT WINAPI
1065 ISFHelper_fnGetUniqueName (ISFHelper * iface, LPWSTR pwszName, UINT uLen)
1066 {
1067     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1068     IEnumIDList *penum;
1069     HRESULT hr;
1070     WCHAR wszText[MAX_PATH];
1071     const WCHAR wszNewFolder[] = {'N','e','w',' ','F','o','l','d','e','r',0 };
1072     const WCHAR wszFormat[] = {'%','s',' ','%','d',0 };
1073
1074     TRACE ("(%p)(%p %u)\n", This, pwszName, uLen);
1075
1076     if (uLen < sizeof(wszNewFolder)/sizeof(WCHAR) + 3)
1077         return E_POINTER;
1078
1079     lstrcpynW (pwszName, wszNewFolder, uLen);
1080
1081     hr = IShellFolder_fnEnumObjects (_IShellFolder2_ (This), 0,
1082      SHCONTF_FOLDERS | SHCONTF_NONFOLDERS | SHCONTF_INCLUDEHIDDEN, &penum);
1083     if (penum) {
1084         LPITEMIDLIST pidl;
1085         DWORD dwFetched;
1086         int i = 1;
1087
1088 next:
1089         IEnumIDList_Reset (penum);
1090         while (S_OK == IEnumIDList_Next (penum, 1, &pidl, &dwFetched) &&
1091          dwFetched) {
1092             _ILSimpleGetTextW (pidl, wszText, MAX_PATH);
1093             if (0 == lstrcmpiW (wszText, pwszName)) {
1094                 snprintfW (pwszName, uLen, wszFormat, wszNewFolder, i++);
1095                 if (i > 99) {
1096                     hr = E_FAIL;
1097                     break;
1098                 }
1099                 goto next;
1100             }
1101         }
1102
1103         IEnumIDList_Release (penum);
1104     }
1105     return hr;
1106 }
1107
1108 /****************************************************************************
1109  * ISFHelper_fnAddFolder
1110  *
1111  * adds a new folder.
1112  */
1113
1114 static HRESULT WINAPI
1115 ISFHelper_fnAddFolder (ISFHelper * iface, HWND hwnd, LPCWSTR pwszName,
1116                        LPITEMIDLIST * ppidlOut)
1117 {
1118     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1119     WCHAR wszNewDir[MAX_PATH];
1120     DWORD bRes;
1121     HRESULT hres = E_FAIL;
1122
1123     TRACE ("(%p)(%s %p)\n", This, debugstr_w(pwszName), ppidlOut);
1124
1125     wszNewDir[0] = 0;
1126     if (This->sPathTarget)
1127         lstrcpynW(wszNewDir, This->sPathTarget, MAX_PATH);
1128     PathAppendW(wszNewDir, pwszName);
1129
1130     bRes = CreateDirectoryW (wszNewDir, NULL);
1131     if (bRes) {
1132         SHChangeNotify (SHCNE_MKDIR, SHCNF_PATHW, wszNewDir, NULL);
1133
1134         hres = S_OK;
1135
1136         if (ppidlOut)
1137                 hres = _ILCreateFromPathW(wszNewDir, ppidlOut);
1138     } else {
1139         WCHAR wszText[128 + MAX_PATH];
1140         WCHAR wszTempText[128];
1141         WCHAR wszCaption[256];
1142
1143         /* Cannot Create folder because of permissions */
1144         LoadStringW (shell32_hInstance, IDS_CREATEFOLDER_DENIED, wszTempText,
1145          sizeof (wszTempText));
1146         LoadStringW (shell32_hInstance, IDS_CREATEFOLDER_CAPTION, wszCaption,
1147          sizeof (wszCaption));
1148         sprintfW (wszText, wszTempText, wszNewDir);
1149         MessageBoxW (hwnd, wszText, wszCaption, MB_OK | MB_ICONEXCLAMATION);
1150     }
1151
1152     return hres;
1153 }
1154
1155 /****************************************************************************
1156  * build_paths_list
1157  *
1158  * Builds a list of paths like the one used in SHFileOperation from a table of
1159  * PIDLs relative to the given base folder
1160  */
1161 WCHAR *build_paths_list(LPCWSTR wszBasePath, int cidl, LPCITEMIDLIST *pidls)
1162 {
1163     WCHAR *wszPathsList;
1164     WCHAR *wszListPos;
1165     int iPathLen;
1166     int i;
1167
1168     iPathLen = lstrlenW(wszBasePath);
1169     wszPathsList = HeapAlloc(GetProcessHeap(), 0, MAX_PATH*sizeof(WCHAR)*cidl+1);
1170     wszListPos = wszPathsList;
1171
1172     for (i = 0; i < cidl; i++) {
1173         if (!_ILIsFolder(pidls[i]) && !_ILIsValue(pidls[i]))
1174             continue;
1175
1176         lstrcpynW(wszListPos, wszBasePath, MAX_PATH);
1177         /* FIXME: abort if path too long */
1178         _ILSimpleGetTextW(pidls[i], wszListPos+iPathLen, MAX_PATH-iPathLen);
1179         wszListPos += lstrlenW(wszListPos)+1;
1180     }
1181     *wszListPos=0;
1182     return wszPathsList;
1183 }
1184
1185 /****************************************************************************
1186  * ISFHelper_fnDeleteItems
1187  *
1188  * deletes items in folder
1189  */
1190 static HRESULT WINAPI
1191 ISFHelper_fnDeleteItems (ISFHelper * iface, UINT cidl, LPCITEMIDLIST * apidl)
1192 {
1193     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1194     UINT i;
1195     SHFILEOPSTRUCTW op;
1196     WCHAR wszPath[MAX_PATH];
1197     WCHAR *wszPathsList;
1198     HRESULT ret;
1199     WCHAR *wszCurrentPath;
1200
1201     TRACE ("(%p)(%u %p)\n", This, cidl, apidl);
1202     if (cidl==0) return S_OK;
1203
1204     if (This->sPathTarget)
1205         lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
1206     else
1207         wszPath[0] = '\0';
1208     PathAddBackslashW(wszPath);
1209     wszPathsList = build_paths_list(wszPath, cidl, apidl);
1210
1211     ZeroMemory(&op, sizeof(op));
1212     op.hwnd = GetActiveWindow();
1213     op.wFunc = FO_DELETE;
1214     op.pFrom = wszPathsList;
1215     op.fFlags = FOF_ALLOWUNDO;
1216     if (SHFileOperationW(&op))
1217     {
1218         WARN("SHFileOperation failed\n");
1219         ret = E_FAIL;
1220     }
1221     else
1222         ret = S_OK;
1223
1224     /* we currently need to manually send the notifies */
1225     wszCurrentPath = wszPathsList;
1226     for (i = 0; i < cidl; i++)
1227     {
1228         LONG wEventId;
1229
1230         if (_ILIsFolder(apidl[i]))
1231             wEventId = SHCNE_RMDIR;
1232         else if (_ILIsValue(apidl[i]))
1233             wEventId = SHCNE_DELETE;
1234         else
1235             continue;
1236
1237         /* check if file exists */
1238         if (GetFileAttributesW(wszCurrentPath) == INVALID_FILE_ATTRIBUTES)
1239         {
1240             LPITEMIDLIST pidl = ILCombine(This->pidlRoot, apidl[i]);
1241             SHChangeNotify(wEventId, SHCNF_IDLIST, pidl, NULL);
1242             SHFree(pidl);
1243         }
1244
1245         wszCurrentPath += lstrlenW(wszCurrentPath)+1;
1246     }
1247     HeapFree(GetProcessHeap(), 0, wszPathsList);
1248     return ret;
1249 }
1250
1251 /****************************************************************************
1252  * ISFHelper_fnCopyItems
1253  *
1254  * copies items to this folder
1255  */
1256 static HRESULT WINAPI
1257 ISFHelper_fnCopyItems (ISFHelper * iface, IShellFolder * pSFFrom, UINT cidl,
1258                        LPCITEMIDLIST * apidl)
1259 {
1260     UINT i;
1261     IPersistFolder2 *ppf2 = NULL;
1262     char szSrcPath[MAX_PATH],
1263       szDstPath[MAX_PATH];
1264
1265     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1266
1267     TRACE ("(%p)->(%p,%u,%p)\n", This, pSFFrom, cidl, apidl);
1268
1269     IShellFolder_QueryInterface (pSFFrom, &IID_IPersistFolder2,
1270      (LPVOID *) & ppf2);
1271     if (ppf2) {
1272         LPITEMIDLIST pidl;
1273
1274         if (SUCCEEDED (IPersistFolder2_GetCurFolder (ppf2, &pidl))) {
1275             for (i = 0; i < cidl; i++) {
1276                 SHGetPathFromIDListA (pidl, szSrcPath);
1277                 PathAddBackslashA (szSrcPath);
1278                 _ILSimpleGetText (apidl[i], szSrcPath + strlen (szSrcPath),
1279                  MAX_PATH);
1280
1281                 if (!WideCharToMultiByte(CP_ACP, 0, This->sPathTarget, -1, szDstPath, MAX_PATH, NULL, NULL))
1282                     szDstPath[0] = '\0';
1283                 PathAddBackslashA (szDstPath);
1284                 _ILSimpleGetText (apidl[i], szDstPath + strlen (szDstPath),
1285                  MAX_PATH);
1286                 MESSAGE ("would copy %s to %s\n", szSrcPath, szDstPath);
1287             }
1288             SHFree (pidl);
1289         }
1290         IPersistFolder2_Release (ppf2);
1291     }
1292     return S_OK;
1293 }
1294
1295 static const ISFHelperVtbl shvt =
1296 {
1297     ISFHelper_fnQueryInterface,
1298     ISFHelper_fnAddRef,
1299     ISFHelper_fnRelease,
1300     ISFHelper_fnGetUniqueName,
1301     ISFHelper_fnAddFolder,
1302     ISFHelper_fnDeleteItems,
1303     ISFHelper_fnCopyItems
1304 };
1305
1306 /************************************************************************
1307  * IFSFldr_PersistFolder3_QueryInterface
1308  *
1309  */
1310 static HRESULT WINAPI
1311 IFSFldr_PersistFolder3_QueryInterface (IPersistFolder3 * iface, REFIID iid,
1312                                        LPVOID * ppvObj)
1313 {
1314     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1315
1316     TRACE ("(%p)\n", This);
1317
1318     return IUnknown_QueryInterface (This->pUnkOuter, iid, ppvObj);
1319 }
1320
1321 /************************************************************************
1322  * IFSFldr_PersistFolder3_AddRef
1323  *
1324  */
1325 static ULONG WINAPI
1326 IFSFldr_PersistFolder3_AddRef (IPersistFolder3 * iface)
1327 {
1328     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1329
1330     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1331
1332     return IUnknown_AddRef (This->pUnkOuter);
1333 }
1334
1335 /************************************************************************
1336  * IFSFldr_PersistFolder3_Release
1337  *
1338  */
1339 static ULONG WINAPI
1340 IFSFldr_PersistFolder3_Release (IPersistFolder3 * iface)
1341 {
1342     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1343
1344     TRACE ("(%p)->(count=%u)\n", This, This->ref);
1345
1346     return IUnknown_Release (This->pUnkOuter);
1347 }
1348
1349 /************************************************************************
1350  * IFSFldr_PersistFolder3_GetClassID
1351  */
1352 static HRESULT WINAPI
1353 IFSFldr_PersistFolder3_GetClassID (IPersistFolder3 * iface, CLSID * lpClassId)
1354 {
1355     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1356
1357     TRACE ("(%p)\n", This);
1358
1359     if (!lpClassId)
1360         return E_POINTER;
1361     *lpClassId = *This->pclsid;
1362
1363     return S_OK;
1364 }
1365
1366 /************************************************************************
1367  * IFSFldr_PersistFolder3_Initialize
1368  *
1369  * NOTES
1370  *  sPathTarget is not set. Don't know how to handle in a non rooted environment.
1371  */
1372 static HRESULT WINAPI
1373 IFSFldr_PersistFolder3_Initialize (IPersistFolder3 * iface, LPCITEMIDLIST pidl)
1374 {
1375     WCHAR wszTemp[MAX_PATH];
1376
1377     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1378
1379     TRACE ("(%p)->(%p)\n", This, pidl);
1380
1381     SHFree (This->pidlRoot);     /* free the old pidl */
1382     This->pidlRoot = ILClone (pidl); /* set my pidl */
1383
1384     SHFree (This->sPathTarget);
1385     This->sPathTarget = NULL;
1386
1387     /* set my path */
1388     if (SHGetPathFromIDListW (pidl, wszTemp)) {
1389         int len = strlenW(wszTemp);
1390         This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1391         if (!This->sPathTarget)
1392             return E_OUTOFMEMORY;
1393         memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1394     }
1395
1396     TRACE ("--(%p)->(%s)\n", This, debugstr_w(This->sPathTarget));
1397     return S_OK;
1398 }
1399
1400 /**************************************************************************
1401  * IFSFldr_PersistFolder3_GetCurFolder
1402  */
1403 static HRESULT WINAPI
1404 IFSFldr_PersistFolder3_fnGetCurFolder (IPersistFolder3 * iface,
1405                                        LPITEMIDLIST * pidl)
1406 {
1407     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1408
1409     TRACE ("(%p)->(%p)\n", This, pidl);
1410
1411     if (!pidl) return E_POINTER;
1412     *pidl = ILClone (This->pidlRoot);
1413     return S_OK;
1414 }
1415
1416 /**************************************************************************
1417  * IFSFldr_PersistFolder3_InitializeEx
1418  *
1419  * FIXME: error handling
1420  */
1421 static HRESULT WINAPI
1422 IFSFldr_PersistFolder3_InitializeEx (IPersistFolder3 * iface,
1423                                      IBindCtx * pbc, LPCITEMIDLIST pidlRoot,
1424                                      const PERSIST_FOLDER_TARGET_INFO * ppfti)
1425 {
1426     WCHAR wszTemp[MAX_PATH];
1427
1428     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1429
1430     TRACE ("(%p)->(%p,%p,%p)\n", This, pbc, pidlRoot, ppfti);
1431     if (ppfti)
1432         TRACE ("--%p %s %s 0x%08x 0x%08x\n",
1433          ppfti->pidlTargetFolder, debugstr_w (ppfti->szTargetParsingName),
1434          debugstr_w (ppfti->szNetworkProvider), ppfti->dwAttributes,
1435          ppfti->csidl);
1436
1437     pdump (pidlRoot);
1438     if (ppfti && ppfti->pidlTargetFolder)
1439         pdump (ppfti->pidlTargetFolder);
1440
1441     if (This->pidlRoot)
1442         __SHFreeAndNil (&This->pidlRoot);    /* free the old */
1443     if (This->sPathTarget)
1444         __SHFreeAndNil (&This->sPathTarget);
1445
1446     /*
1447      * Root path and pidl
1448      */
1449     This->pidlRoot = ILClone (pidlRoot);
1450
1451     /*
1452      *  the target folder is spezified in csidl OR pidlTargetFolder OR
1453      *  szTargetParsingName
1454      */
1455     if (ppfti) {
1456         if (ppfti->csidl != -1) {
1457             if (SHGetSpecialFolderPathW (0, wszTemp, ppfti->csidl,
1458              ppfti->csidl & CSIDL_FLAG_CREATE)) {
1459                 int len = strlenW(wszTemp);
1460                 This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1461                 if (!This->sPathTarget)
1462                     return E_OUTOFMEMORY;
1463                 memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1464             }
1465         } else if (ppfti->szTargetParsingName[0]) {
1466             int len = strlenW(ppfti->szTargetParsingName);
1467             This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1468             if (!This->sPathTarget)
1469                 return E_OUTOFMEMORY;
1470             memcpy(This->sPathTarget, ppfti->szTargetParsingName,
1471                    (len + 1) * sizeof(WCHAR));
1472         } else if (ppfti->pidlTargetFolder) {
1473             if (SHGetPathFromIDListW(ppfti->pidlTargetFolder, wszTemp)) {
1474                 int len = strlenW(wszTemp);
1475                 This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1476                 if (!This->sPathTarget)
1477                     return E_OUTOFMEMORY;
1478                 memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1479             }
1480         }
1481     }
1482
1483     TRACE ("--(%p)->(target=%s)\n", This, debugstr_w(This->sPathTarget));
1484     pdump (This->pidlRoot);
1485     return (This->sPathTarget) ? S_OK : E_FAIL;
1486 }
1487
1488 static HRESULT WINAPI
1489 IFSFldr_PersistFolder3_GetFolderTargetInfo (IPersistFolder3 * iface,
1490                                             PERSIST_FOLDER_TARGET_INFO * ppfti)
1491 {
1492     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1493     FIXME ("(%p)->(%p)\n", This, ppfti);
1494     ZeroMemory (ppfti, sizeof (ppfti));
1495     return E_NOTIMPL;
1496 }
1497
1498 static const IPersistFolder3Vtbl vt_FSFldr_PersistFolder3 =
1499 {
1500     IFSFldr_PersistFolder3_QueryInterface,
1501     IFSFldr_PersistFolder3_AddRef,
1502     IFSFldr_PersistFolder3_Release,
1503     IFSFldr_PersistFolder3_GetClassID,
1504     IFSFldr_PersistFolder3_Initialize,
1505     IFSFldr_PersistFolder3_fnGetCurFolder,
1506     IFSFldr_PersistFolder3_InitializeEx,
1507     IFSFldr_PersistFolder3_GetFolderTargetInfo
1508 };
1509
1510 /****************************************************************************
1511  * ISFDropTarget implementation
1512  */
1513 static BOOL
1514 ISFDropTarget_QueryDrop (IDropTarget * iface, DWORD dwKeyState,
1515                          LPDWORD pdwEffect)
1516 {
1517     DWORD dwEffect = *pdwEffect;
1518
1519     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1520
1521     *pdwEffect = DROPEFFECT_NONE;
1522
1523     if (This->fAcceptFmt) { /* Does our interpretation of the keystate ... */
1524         *pdwEffect = KeyStateToDropEffect (dwKeyState);
1525
1526         /* ... matches the desired effect ? */
1527         if (dwEffect & *pdwEffect) {
1528             return TRUE;
1529         }
1530     }
1531     return FALSE;
1532 }
1533
1534 static HRESULT WINAPI
1535 ISFDropTarget_QueryInterface (IDropTarget * iface, REFIID riid, LPVOID * ppvObj)
1536 {
1537     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1538
1539     TRACE ("(%p)\n", This);
1540
1541     return IUnknown_QueryInterface (This->pUnkOuter, riid, ppvObj);
1542 }
1543
1544 static ULONG WINAPI ISFDropTarget_AddRef (IDropTarget * iface)
1545 {
1546     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1547
1548     TRACE ("(%p)\n", This);
1549
1550     return IUnknown_AddRef (This->pUnkOuter);
1551 }
1552
1553 static ULONG WINAPI ISFDropTarget_Release (IDropTarget * iface)
1554 {
1555     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1556
1557     TRACE ("(%p)\n", This);
1558
1559     return IUnknown_Release (This->pUnkOuter);
1560 }
1561
1562 static HRESULT WINAPI
1563 ISFDropTarget_DragEnter (IDropTarget * iface, IDataObject * pDataObject,
1564                          DWORD dwKeyState, POINTL pt, DWORD * pdwEffect)
1565 {
1566     FORMATETC fmt;
1567
1568     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1569
1570     TRACE ("(%p)->(DataObject=%p)\n", This, pDataObject);
1571
1572     InitFormatEtc (fmt, This->cfShellIDList, TYMED_HGLOBAL);
1573
1574     This->fAcceptFmt = (S_OK == IDataObject_QueryGetData (pDataObject, &fmt)) ?
1575      TRUE : FALSE;
1576
1577     ISFDropTarget_QueryDrop (iface, dwKeyState, pdwEffect);
1578
1579     return S_OK;
1580 }
1581
1582 static HRESULT WINAPI
1583 ISFDropTarget_DragOver (IDropTarget * iface, DWORD dwKeyState, POINTL pt,
1584                         DWORD * pdwEffect)
1585 {
1586     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1587
1588     TRACE ("(%p)\n", This);
1589
1590     if (!pdwEffect)
1591         return E_INVALIDARG;
1592
1593     ISFDropTarget_QueryDrop (iface, dwKeyState, pdwEffect);
1594
1595     return S_OK;
1596 }
1597
1598 static HRESULT WINAPI ISFDropTarget_DragLeave (IDropTarget * iface)
1599 {
1600     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1601
1602     TRACE ("(%p)\n", This);
1603
1604     This->fAcceptFmt = FALSE;
1605
1606     return S_OK;
1607 }
1608
1609 static HRESULT WINAPI
1610 ISFDropTarget_Drop (IDropTarget * iface, IDataObject * pDataObject,
1611                     DWORD dwKeyState, POINTL pt, DWORD * pdwEffect)
1612 {
1613     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1614
1615     FIXME ("(%p) object dropped\n", This);
1616
1617     return E_NOTIMPL;
1618 }
1619
1620 static const IDropTargetVtbl dtvt = {
1621     ISFDropTarget_QueryInterface,
1622     ISFDropTarget_AddRef,
1623     ISFDropTarget_Release,
1624     ISFDropTarget_DragEnter,
1625     ISFDropTarget_DragOver,
1626     ISFDropTarget_DragLeave,
1627     ISFDropTarget_Drop
1628 };