kernel32: FindFirstChangeNotification needs a static IO_STATUS_BLOCK.
[wine] / 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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=%lu)\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=%lu)\n", This, refCount + 1);
193
194     if (!refCount) {
195         TRACE ("-- destroying IShellFolder(%p)\n", This);
196
197         if (This->pidlRoot)
198             SHFree (This->pidlRoot);
199         if (This->sPathTarget)
200             SHFree (This->sPathTarget);
201         LocalFree ((HLOCAL) This);
202     }
203     return refCount;
204 }
205
206 static const IUnknownVtbl unkvt =
207 {
208       IUnknown_fnQueryInterface,
209       IUnknown_fnAddRef,
210       IUnknown_fnRelease,
211 };
212
213 static shvheader GenericSFHeader[] = {
214     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
215     {IDS_SHV_COLUMN2, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
216     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
217     {IDS_SHV_COLUMN4, SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
218     {IDS_SHV_COLUMN5, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 5}
219 };
220
221 #define GENERICSHELLVIEWCOLUMNS 5
222
223 /**************************************************************************
224 * IFSFolder_Constructor
225 *
226 * NOTES
227 *  creating undocumented ShellFS_Folder as part of an aggregation
228 *  {F3364BA0-65B9-11CE-A9BA-00AA004AE837}
229 *
230 */
231 HRESULT WINAPI
232 IFSFolder_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
233 {
234     IGenericSFImpl *sf;
235
236     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
237
238     if (pUnkOuter && !IsEqualIID (riid, &IID_IUnknown))
239         return CLASS_E_NOAGGREGATION;
240     sf = (IGenericSFImpl *) LocalAlloc (LMEM_ZEROINIT, sizeof (IGenericSFImpl));
241     if (!sf)
242         return E_OUTOFMEMORY;
243
244     sf->ref = 0;
245     sf->lpVtbl = &unkvt;
246     sf->lpvtblShellFolder = &sfvt;
247     sf->lpvtblPersistFolder3 = &vt_FSFldr_PersistFolder3;
248     sf->lpvtblDropTarget = &dtvt;
249     sf->lpvtblSFHelper = &shvt;
250     sf->pclsid = (CLSID *) & CLSID_ShellFSFolder;
251     sf->pUnkOuter = pUnkOuter ? pUnkOuter : _IUnknown_ (sf);
252
253     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv))) {
254         IUnknown_Release (_IUnknown_ (sf));
255         return E_NOINTERFACE;
256     }
257
258     TRACE ("--%p\n", *ppv);
259     return S_OK;
260 }
261
262 /**************************************************************************
263  *  IShellFolder_fnQueryInterface
264  *
265  * PARAMETERS
266  *  REFIID riid       [in ] Requested InterfaceID
267  *  LPVOID* ppvObject [out] Interface* to hold the result
268  */
269 static HRESULT WINAPI
270 IShellFolder_fnQueryInterface (IShellFolder2 * iface, REFIID riid,
271                                LPVOID * ppvObj)
272 {
273     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
274
275     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
276
277     return IUnknown_QueryInterface (This->pUnkOuter, riid, ppvObj);
278 }
279
280 /**************************************************************************
281 *  IShellFolder_AddRef
282 */
283
284 static ULONG WINAPI IShellFolder_fnAddRef (IShellFolder2 * iface)
285 {
286     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
287
288     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
289
290     return IUnknown_AddRef (This->pUnkOuter);
291 }
292
293 /**************************************************************************
294  *  IShellFolder_fnRelease
295  */
296 static ULONG WINAPI IShellFolder_fnRelease (IShellFolder2 * iface)
297 {
298     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
299
300     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
301
302     return IUnknown_Release (This->pUnkOuter);
303 }
304
305 /**************************************************************************
306  *  SHELL32_CreatePidlFromBindCtx  [internal]
307  *
308  *  If the caller bound File System Bind Data, assume it is the 
309  *   find data for the path.
310  *  This allows binding of paths that don't exist.
311  */
312 LPITEMIDLIST SHELL32_CreatePidlFromBindCtx(IBindCtx *pbc, LPCWSTR path)
313 {
314     static const WCHAR szfsbc[] = {
315         'F','i','l','e',' ','S','y','s','t','e','m',' ',
316         'B','i','n','d',' ','D','a','t','a',0 };
317     IFileSystemBindData *fsbd = NULL;
318     LPITEMIDLIST pidl = NULL;
319     IUnknown *param = NULL;
320     WIN32_FIND_DATAW wfd;
321     HRESULT r;
322
323     TRACE("%p %s\n", pbc, debugstr_w(path));
324
325     if (!pbc)
326         return NULL;
327
328     /* see if the caller bound File System Bind Data */
329     r = IBindCtx_GetObjectParam( pbc, (LPOLESTR) szfsbc, &param );
330     if (FAILED(r))
331         return NULL;
332
333     r = IUnknown_QueryInterface( param, &IID_IFileSystemBindData,
334                                  (LPVOID*) &fsbd );
335     if (SUCCEEDED(r))
336     {
337         r = IFileSystemBindData_GetFindData( fsbd, &wfd );
338         if (SUCCEEDED(r))
339         {
340             lstrcpynW( &wfd.cFileName[0], path, MAX_PATH );
341             pidl = _ILCreateFromFindDataW( &wfd );
342         }
343         IFileSystemBindData_Release( fsbd );
344     }
345     
346     return pidl;
347 }
348
349 /**************************************************************************
350 * IShellFolder_ParseDisplayName {SHELL32}
351 *
352 * Parse a display name.
353 *
354 * PARAMS
355 *  hwndOwner       [in]  Parent window for any message's
356 *  pbc             [in]  optional FileSystemBindData context
357 *  lpszDisplayName [in]  Unicode displayname.
358 *  pchEaten        [out] (unicode) characters processed
359 *  ppidl           [out] complex pidl to item
360 *  pdwAttributes   [out] items attributes
361 *
362 * NOTES
363 *  Every folder tries to parse only its own (the leftmost) pidl and creates a
364 *  subfolder to evaluate the remaining parts.
365 *  Now we can parse into namespaces implemented by shell extensions
366 *
367 *  Behaviour on win98: lpszDisplayName=NULL -> crash
368 *                      lpszDisplayName="" -> returns mycoputer-pidl
369 *
370 * FIXME
371 *    pdwAttributes is not set
372 *    pchEaten is not set like in windows
373 */
374 static HRESULT WINAPI
375 IShellFolder_fnParseDisplayName (IShellFolder2 * iface,
376                                  HWND hwndOwner,
377                                  LPBC pbc,
378                                  LPOLESTR lpszDisplayName,
379                                  DWORD * pchEaten, LPITEMIDLIST * ppidl,
380                                  DWORD * pdwAttributes)
381 {
382     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
383
384     HRESULT hr = E_INVALIDARG;
385     LPCWSTR szNext = NULL;
386     WCHAR szElement[MAX_PATH];
387     WCHAR szPath[MAX_PATH];
388     LPITEMIDLIST pidlTemp = NULL;
389     DWORD len;
390
391     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
392      This, hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName),
393      pchEaten, ppidl, pdwAttributes);
394
395     if (!lpszDisplayName || !ppidl)
396         return E_INVALIDARG;
397
398     if (pchEaten)
399         *pchEaten = 0; /* strange but like the original */
400
401     pidlTemp = SHELL32_CreatePidlFromBindCtx(pbc, lpszDisplayName);
402     if (!pidlTemp && *lpszDisplayName)
403     {
404         /* get the next element */
405         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
406
407         /* build the full pathname to the element */
408         lstrcpynW(szPath, This->sPathTarget, MAX_PATH - 1);
409         PathAddBackslashW(szPath);
410         len = lstrlenW(szPath);
411         lstrcpynW(szPath + len, szElement, MAX_PATH - len);
412
413         /* get the pidl */
414         hr = _ILCreateFromPathW(szPath, &pidlTemp);
415
416         if (SUCCEEDED(hr)) {
417             if (szNext && *szNext) {
418                 /* try to analyse the next element */
419                 hr = SHELL32_ParseNextElement (iface, hwndOwner, pbc,
420                  &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
421             } else {
422                 /* it's the last element */
423                 if (pdwAttributes && *pdwAttributes) {
424                     hr = SHELL32_GetItemAttributes (_IShellFolder_ (This),
425                      pidlTemp, pdwAttributes);
426                 }
427             }
428         }
429     }
430
431     if (SUCCEEDED(hr))
432         *ppidl = pidlTemp;
433     else
434         *ppidl = NULL;
435
436     TRACE ("(%p)->(-- pidl=%p ret=0x%08lx)\n", This, ppidl ? *ppidl : 0, hr);
437
438     return hr;
439 }
440
441 /**************************************************************************
442 * IShellFolder_fnEnumObjects
443 * PARAMETERS
444 *  HWND          hwndOwner,    //[in ] Parent Window
445 *  DWORD         grfFlags,     //[in ] SHCONTF enumeration mask
446 *  LPENUMIDLIST* ppenumIDList  //[out] IEnumIDList interface
447 */
448 static HRESULT WINAPI
449 IShellFolder_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner,
450                             DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
451 {
452     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
453
454     TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner,
455      dwFlags, ppEnumIDList);
456
457     *ppEnumIDList = IEnumIDList_Constructor();
458     if (*ppEnumIDList)
459         CreateFolderEnumList(*ppEnumIDList, This->sPathTarget, dwFlags);
460
461     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
462
463     return *ppEnumIDList ? S_OK : E_OUTOFMEMORY;
464 }
465
466 /**************************************************************************
467 * IShellFolder_fnBindToObject
468 * PARAMETERS
469 *  LPCITEMIDLIST pidl,       //[in ] relative pidl to open
470 *  LPBC          pbc,        //[in ] optional FileSystemBindData context
471 *  REFIID        riid,       //[in ] Initial Interface
472 *  LPVOID*       ppvObject   //[out] Interface*
473 */
474 static HRESULT WINAPI
475 IShellFolder_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
476                              LPBC pbc, REFIID riid, LPVOID * ppvOut)
477 {
478     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
479
480     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbc,
481      shdebugstr_guid (riid), ppvOut);
482
483     return SHELL32_BindToChild (This->pidlRoot, This->sPathTarget, pidl, riid,
484      ppvOut);
485 }
486
487 /**************************************************************************
488 *  IShellFolder_fnBindToStorage
489 * PARAMETERS
490 *  LPCITEMIDLIST pidl,       //[in ] complex pidl to store
491 *  LPBC          pbc,        //[in ] reserved
492 *  REFIID        riid,       //[in ] Initial storage interface
493 *  LPVOID*       ppvObject   //[out] Interface* returned
494 */
495 static HRESULT WINAPI
496 IShellFolder_fnBindToStorage (IShellFolder2 * iface, LPCITEMIDLIST pidl,
497                               LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
498 {
499     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
500
501     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved,
502      shdebugstr_guid (riid), ppvOut);
503
504     *ppvOut = NULL;
505     return E_NOTIMPL;
506 }
507
508 /**************************************************************************
509 *  IShellFolder_fnCompareIDs
510 */
511
512 static HRESULT WINAPI
513 IShellFolder_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam,
514                            LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
515 {
516     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
517
518     int nReturn;
519
520     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
521     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
522     TRACE ("-- %i\n", nReturn);
523     return nReturn;
524 }
525
526 /**************************************************************************
527 * IShellFolder_fnCreateViewObject
528 */
529 static HRESULT WINAPI
530 IShellFolder_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner,
531                                  REFIID riid, LPVOID * ppvOut)
532 {
533     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
534
535     LPSHELLVIEW pShellView;
536     HRESULT hr = E_INVALIDARG;
537
538     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid),
539      ppvOut);
540
541     if (ppvOut) {
542         *ppvOut = NULL;
543
544         if (IsEqualIID (riid, &IID_IDropTarget)) {
545             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget, ppvOut);
546         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
547             FIXME ("IContextMenu not implemented\n");
548             hr = E_NOTIMPL;
549         } else if (IsEqualIID (riid, &IID_IShellView)) {
550             pShellView = IShellView_Constructor ((IShellFolder *) iface);
551             if (pShellView) {
552                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
553                 IShellView_Release (pShellView);
554             }
555         }
556     }
557     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
558     return hr;
559 }
560
561 /**************************************************************************
562 *  IShellFolder_fnGetAttributesOf
563 *
564 * PARAMETERS
565 *  UINT            cidl,     //[in ] num elements in pidl array
566 *  LPCITEMIDLIST*  apidl,    //[in ] simple pidl array
567 *  ULONG*          rgfInOut) //[out] result array
568 *
569 */
570 static HRESULT WINAPI
571 IShellFolder_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl,
572                                 LPCITEMIDLIST * apidl, DWORD * rgfInOut)
573 {
574     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
575
576     HRESULT hr = S_OK;
577
578     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08lx))\n", This, cidl, apidl,
579      rgfInOut, rgfInOut ? *rgfInOut : 0);
580
581     if (!rgfInOut)
582         return E_INVALIDARG;
583     if (cidl && !apidl)
584         return E_INVALIDARG;
585
586     if (*rgfInOut == 0)
587         *rgfInOut = ~0;
588
589     if(cidl == 0){
590         IShellFolder *psfParent = NULL;
591         LPCITEMIDLIST rpidl = NULL;
592
593         hr = SHBindToParent(This->pidlRoot, &IID_IShellFolder, (LPVOID*)&psfParent, (LPCITEMIDLIST*)&rpidl);
594         if(SUCCEEDED(hr)) {
595             SHELL32_GetItemAttributes (psfParent, rpidl, rgfInOut);
596             IShellFolder_Release(psfParent);
597         }
598     }
599     else {
600         while (cidl > 0 && *apidl) {
601             pdump (*apidl);
602             SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
603             apidl++;
604             cidl--;
605         }
606     }
607     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
608     *rgfInOut &= ~SFGAO_VALIDATE;
609
610     TRACE ("-- result=0x%08lx\n", *rgfInOut);
611
612     return hr;
613 }
614
615 /**************************************************************************
616 *  IShellFolder_fnGetUIObjectOf
617 *
618 * PARAMETERS
619 *  HWND           hwndOwner, //[in ] Parent window for any output
620 *  UINT           cidl,      //[in ] array size
621 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
622 *  REFIID         riid,      //[in ] Requested Interface
623 *  UINT*          prgfInOut, //[   ] reserved
624 *  LPVOID*        ppvObject) //[out] Resulting Interface
625 *
626 * NOTES
627 *  This function gets asked to return "view objects" for one or more (multiple
628 *  select) items:
629 *  The viewobject typically is an COM object with one of the following
630 *  interfaces:
631 *  IExtractIcon,IDataObject,IContextMenu
632 *  In order to support icon positions in the default Listview your DataObject
633 *  must implement the SetData method (in addition to GetData :) - the shell
634 *  passes a barely documented "Icon positions" structure to SetData when the
635 *  drag starts, and GetData's it if the drop is in another explorer window that
636 *  needs the positions.
637 */
638 static HRESULT WINAPI
639 IShellFolder_fnGetUIObjectOf (IShellFolder2 * iface,
640                               HWND hwndOwner,
641                               UINT cidl, LPCITEMIDLIST * apidl, REFIID riid,
642                               UINT * prgfInOut, LPVOID * ppvOut)
643 {
644     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
645
646     LPITEMIDLIST pidl;
647     IUnknown *pObj = NULL;
648     HRESULT hr = E_INVALIDARG;
649
650     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
651      This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
652
653     if (ppvOut) {
654         *ppvOut = NULL;
655
656         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
657             pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface,
658              This->pidlRoot, apidl, cidl);
659             hr = S_OK;
660         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
661             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner,
662              This->pidlRoot, apidl, cidl);
663             hr = S_OK;
664         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
665             pidl = ILCombine (This->pidlRoot, apidl[0]);
666             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
667             SHFree (pidl);
668             hr = S_OK;
669         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
670             pidl = ILCombine (This->pidlRoot, apidl[0]);
671             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
672             SHFree (pidl);
673             hr = S_OK;
674         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
675             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget,
676              (LPVOID *) & pObj);
677         } else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
678          IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1)) {
679             pidl = ILCombine (This->pidlRoot, apidl[0]);
680             hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*)&pObj);
681             SHFree (pidl);
682         } else {
683             hr = E_NOINTERFACE;
684         }
685
686         if (SUCCEEDED(hr) && !pObj)
687             hr = E_OUTOFMEMORY;
688
689         *ppvOut = pObj;
690     }
691     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
692     return hr;
693 }
694
695 static const WCHAR AdvancedW[] = { 'S','O','F','T','W','A','R','E',
696  '\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
697  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l',
698  'o','r','e','r','\\','A','d','v','a','n','c','e','d',0 };
699 static const WCHAR HideFileExtW[] = { 'H','i','d','e','F','i','l','e','E','x',
700  't',0 };
701 static const WCHAR NeverShowExtW[] = { 'N','e','v','e','r','S','h','o','w','E',
702  'x','t',0 };
703
704 /******************************************************************************
705  * SHELL_FS_HideExtension [Internal]
706  *
707  * Query the registry if the filename extension of a given path should be 
708  * hidden.
709  *
710  * PARAMS
711  *  szPath [I] Relative or absolute path of a file
712  *  
713  * RETURNS
714  *  TRUE, if the filename's extension should be hidden
715  *  FALSE, otherwise.
716  */
717 BOOL SHELL_FS_HideExtension(LPWSTR szPath)
718 {
719     HKEY hKey;
720     DWORD dwData;
721     DWORD dwDataSize = sizeof (DWORD);
722     BOOL doHide = FALSE; /* The default value is FALSE (win98 at least) */
723     
724     if (!RegCreateKeyExW(HKEY_CURRENT_USER, AdvancedW, 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0)) {
725         if (!RegQueryValueExW(hKey, HideFileExtW, 0, 0, (LPBYTE) &dwData, &dwDataSize))
726             doHide = dwData;
727         RegCloseKey (hKey);
728     }
729
730     if (!doHide) {
731         LPWSTR ext = PathFindExtensionW(szPath);
732
733         if (*ext != '\0') {
734             WCHAR classname[MAX_PATH];
735             LONG classlen = sizeof(classname);
736
737             if (!RegQueryValueW(HKEY_CLASSES_ROOT, ext, classname, &classlen))
738                 if (!RegOpenKeyW(HKEY_CLASSES_ROOT, classname, &hKey)) {
739                     if (!RegQueryValueExW(hKey, NeverShowExtW, 0, NULL, NULL, NULL))
740                         doHide = TRUE;
741                     RegCloseKey(hKey);
742                 }
743         }
744     }
745     return doHide;
746 }
747     
748 void SHELL_FS_ProcessDisplayFilename(LPWSTR szPath, DWORD dwFlags)
749 {
750     /*FIXME: MSDN also mentions SHGDN_FOREDITING which is not yet handled. */
751     if (!(dwFlags & SHGDN_FORPARSING) &&
752         ((dwFlags & SHGDN_INFOLDER) || (dwFlags == SHGDN_NORMAL))) {
753         if (SHELL_FS_HideExtension(szPath) && szPath[0] != '.')
754             PathRemoveExtensionW(szPath);
755     }
756 }
757
758 /**************************************************************************
759 *  IShellFolder_fnGetDisplayNameOf
760 *  Retrieves the display name for the specified file object or subfolder
761 *
762 * PARAMETERS
763 *  LPCITEMIDLIST pidl,    //[in ] complex pidl to item
764 *  DWORD         dwFlags, //[in ] SHGNO formatting flags
765 *  LPSTRRET      lpName)  //[out] Returned display name
766 *
767 * FIXME
768 *  if the name is in the pidl the ret value should be a STRRET_OFFSET
769 */
770
771 static HRESULT WINAPI
772 IShellFolder_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl,
773                                  DWORD dwFlags, LPSTRRET strRet)
774 {
775     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
776     WCHAR wszPath[MAX_PATH+1];
777
778     HRESULT hr = S_OK;
779     int len = 0;
780
781     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
782     pdump (pidl);
783
784     if (!pidl || !strRet)
785         return E_INVALIDARG;
786
787     if (_ILIsDesktop(pidl)) { /* empty pidl */
788         if ((GET_SHGDN_FOR(dwFlags) & SHGDN_FORPARSING) &&
789             (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER)) 
790         {
791             if (This->sPathTarget)
792                 lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
793         } else {
794             /* pidl has to contain exactly one non null SHITEMID */
795             hr = E_INVALIDARG;
796         }
797     } else if (_ILIsPidlSimple(pidl)) {
798         if ((GET_SHGDN_FOR(dwFlags) & SHGDN_FORPARSING) &&
799             (GET_SHGDN_RELATION(dwFlags) != SHGDN_INFOLDER) && 
800             This->sPathTarget) 
801         {
802             lstrcpynW(wszPath, This->sPathTarget, MAX_PATH);
803             PathAddBackslashW(wszPath);
804             len = lstrlenW(wszPath);
805         }
806         _ILSimpleGetTextW(pidl, wszPath + len, MAX_PATH + 1 - len);
807         if (!_ILIsFolder(pidl)) SHELL_FS_ProcessDisplayFilename(wszPath, dwFlags);
808     } else {
809         hr = SHELL32_GetDisplayNameOfChild(iface, pidl, dwFlags, wszPath, MAX_PATH);
810     }
811
812     if (SUCCEEDED(hr)) {
813         strRet->uType = STRRET_CSTR;
814         if (!WideCharToMultiByte(CP_ACP, 0, wszPath, -1, strRet->u.cStr, MAX_PATH,
815              NULL, NULL))
816             strRet->u.cStr[0] = '\0';
817     }
818
819     TRACE ("-- (%p)->(%s)\n", This, strRet->u.cStr);
820     return hr;
821 }
822
823 /**************************************************************************
824 *  IShellFolder_fnSetNameOf
825 *  Changes the name of a file object or subfolder, possibly changing its item
826 *  identifier in the process.
827 *
828 * PARAMETERS
829 *  HWND          hwndOwner,  //[in ] Owner window for output
830 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
831 *  LPCOLESTR     lpszName,   //[in ] the items new display name
832 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
833 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
834 */
835 static HRESULT WINAPI IShellFolder_fnSetNameOf (IShellFolder2 * iface,
836                                                 HWND hwndOwner,
837                                                 LPCITEMIDLIST pidl,
838                                                 LPCOLESTR lpName,
839                                                 DWORD dwFlags,
840                                                 LPITEMIDLIST * pPidlOut)
841 {
842     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
843     WCHAR szSrc[MAX_PATH + 1], szDest[MAX_PATH + 1];
844     LPWSTR ptr;
845     BOOL bIsFolder = _ILIsFolder (ILFindLastID (pidl));
846
847     TRACE ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This, hwndOwner, pidl,
848      debugstr_w (lpName), dwFlags, pPidlOut);
849
850     /* build source path */
851     lstrcpynW(szSrc, This->sPathTarget, MAX_PATH);
852     ptr = PathAddBackslashW (szSrc);
853     if (ptr)
854         _ILSimpleGetTextW (pidl, ptr, MAX_PATH + 1 - (ptr - szSrc));
855
856     /* build destination path */
857     if (dwFlags == SHGDN_NORMAL || dwFlags & SHGDN_INFOLDER) {
858         lstrcpynW(szDest, This->sPathTarget, MAX_PATH);
859         ptr = PathAddBackslashW (szDest);
860         if (ptr)
861             lstrcpynW(ptr, lpName, MAX_PATH + 1 - (ptr - szDest));
862     } else
863         lstrcpynW(szDest, lpName, MAX_PATH);
864
865     if(!(dwFlags & SHGDN_FORPARSING) && SHELL_FS_HideExtension(szSrc)) {
866         WCHAR *ext = PathFindExtensionW(szSrc);
867         if(*ext != '\0') {
868             INT len = strlenW(szDest);
869             lstrcpynW(szDest + len, ext, MAX_PATH - len);
870         }
871     }
872     
873     TRACE ("src=%s dest=%s\n", debugstr_w(szSrc), debugstr_w(szDest));
874
875     if (MoveFileW (szSrc, szDest)) {
876         HRESULT hr = S_OK;
877
878         if (pPidlOut)
879             hr = _ILCreateFromPathW(szDest, pPidlOut);
880
881         SHChangeNotify (bIsFolder ? SHCNE_RENAMEFOLDER : SHCNE_RENAMEITEM,
882          SHCNF_PATHW, szSrc, szDest);
883
884         return hr;
885     }
886
887     return E_FAIL;
888 }
889
890 static HRESULT WINAPI IShellFolder_fnGetDefaultSearchGUID (IShellFolder2 *iface,
891                                                            GUID * pguid)
892 {
893     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
894     FIXME ("(%p)\n", This);
895     return E_NOTIMPL;
896 }
897 static HRESULT WINAPI IShellFolder_fnEnumSearches (IShellFolder2 * iface,
898                                                    IEnumExtraSearch ** ppenum)
899 {
900     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
901     FIXME ("(%p)\n", This);
902     return E_NOTIMPL;
903 }
904
905 static HRESULT WINAPI
906 IShellFolder_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes,
907                                  ULONG * pSort, ULONG * pDisplay)
908 {
909     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
910
911     TRACE ("(%p)\n", This);
912
913     if (pSort)
914         *pSort = 0;
915     if (pDisplay)
916         *pDisplay = 0;
917
918     return S_OK;
919 }
920
921 static HRESULT WINAPI
922 IShellFolder_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn,
923                                       DWORD * pcsFlags)
924 {
925     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
926
927     TRACE ("(%p)\n", This);
928
929     if (!pcsFlags || iColumn >= GENERICSHELLVIEWCOLUMNS)
930         return E_INVALIDARG;
931
932     *pcsFlags = GenericSFHeader[iColumn].pcsFlags;
933
934     return S_OK;
935 }
936
937 static HRESULT WINAPI
938 IShellFolder_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl,
939                              const SHCOLUMNID * pscid, VARIANT * pv)
940 {
941     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
942     FIXME ("(%p)\n", This);
943
944     return E_NOTIMPL;
945 }
946
947 static HRESULT WINAPI
948 IShellFolder_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl,
949                              UINT iColumn, SHELLDETAILS * psd)
950 {
951     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
952     HRESULT hr = E_FAIL;
953
954     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
955
956     if (!psd || iColumn >= GENERICSHELLVIEWCOLUMNS)
957         return E_INVALIDARG;
958
959     if (!pidl) {
960         /* the header titles */
961         psd->fmt = GenericSFHeader[iColumn].fmt;
962         psd->cxChar = GenericSFHeader[iColumn].cxChar;
963         psd->str.uType = STRRET_CSTR;
964         LoadStringA (shell32_hInstance, GenericSFHeader[iColumn].colnameid,
965          psd->str.u.cStr, MAX_PATH);
966         return S_OK;
967     } else {
968         hr = S_OK;
969         psd->str.uType = STRRET_CSTR;
970         /* the data from the pidl */
971         switch (iColumn) {
972         case 0:                /* name */
973             hr = IShellFolder_GetDisplayNameOf (iface, pidl,
974              SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
975             break;
976         case 1:                /* size */
977             _ILGetFileSize (pidl, psd->str.u.cStr, MAX_PATH);
978             break;
979         case 2:                /* type */
980             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
981             break;
982         case 3:                /* date */
983             _ILGetFileDate (pidl, psd->str.u.cStr, MAX_PATH);
984             break;
985         case 4:                /* attributes */
986             _ILGetFileAttributes (pidl, psd->str.u.cStr, MAX_PATH);
987             break;
988         }
989     }
990
991     return hr;
992 }
993
994 static HRESULT WINAPI
995 IShellFolder_fnMapColumnToSCID (IShellFolder2 * iface, UINT column,
996                                 SHCOLUMNID * pscid)
997 {
998     IGenericSFImpl *This = impl_from_IShellFolder2(iface);
999     FIXME ("(%p)\n", This);
1000     return E_NOTIMPL;
1001 }
1002
1003 static const IShellFolder2Vtbl sfvt =
1004 {
1005     IShellFolder_fnQueryInterface,
1006     IShellFolder_fnAddRef,
1007     IShellFolder_fnRelease,
1008     IShellFolder_fnParseDisplayName,
1009     IShellFolder_fnEnumObjects,
1010     IShellFolder_fnBindToObject,
1011     IShellFolder_fnBindToStorage,
1012     IShellFolder_fnCompareIDs,
1013     IShellFolder_fnCreateViewObject,
1014     IShellFolder_fnGetAttributesOf,
1015     IShellFolder_fnGetUIObjectOf,
1016     IShellFolder_fnGetDisplayNameOf,
1017     IShellFolder_fnSetNameOf,
1018     /* ShellFolder2 */
1019     IShellFolder_fnGetDefaultSearchGUID,
1020     IShellFolder_fnEnumSearches,
1021     IShellFolder_fnGetDefaultColumn,
1022     IShellFolder_fnGetDefaultColumnState,
1023     IShellFolder_fnGetDetailsEx,
1024     IShellFolder_fnGetDetailsOf,
1025     IShellFolder_fnMapColumnToSCID
1026 };
1027
1028 /****************************************************************************
1029  * ISFHelper for IShellFolder implementation
1030  */
1031
1032 static HRESULT WINAPI
1033 ISFHelper_fnQueryInterface (ISFHelper * iface, REFIID riid, LPVOID * ppvObj)
1034 {
1035     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1036
1037     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
1038
1039     return IUnknown_QueryInterface (This->pUnkOuter, riid, ppvObj);
1040 }
1041
1042 static ULONG WINAPI ISFHelper_fnAddRef (ISFHelper * iface)
1043 {
1044     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1045
1046     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
1047
1048     return IUnknown_AddRef (This->pUnkOuter);
1049 }
1050
1051 static ULONG WINAPI ISFHelper_fnRelease (ISFHelper * iface)
1052 {
1053     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1054
1055     TRACE ("(%p)\n", This);
1056
1057     return IUnknown_Release (This->pUnkOuter);
1058 }
1059
1060 /****************************************************************************
1061  * ISFHelper_fnAddFolder
1062  *
1063  * creates a unique folder name
1064  */
1065
1066 static HRESULT WINAPI
1067 ISFHelper_fnGetUniqueName (ISFHelper * iface, LPSTR lpName, UINT uLen)
1068 {
1069     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1070     IEnumIDList *penum;
1071     HRESULT hr;
1072     char szText[MAX_PATH];
1073     const char *szNewFolder = "New Folder";
1074
1075     TRACE ("(%p)(%s %u)\n", This, lpName, uLen);
1076
1077     if (uLen < strlen (szNewFolder) + 4)
1078         return E_POINTER;
1079
1080     strcpy (lpName, szNewFolder);
1081
1082     hr = IShellFolder_fnEnumObjects (_IShellFolder2_ (This), 0,
1083      SHCONTF_FOLDERS | SHCONTF_NONFOLDERS | SHCONTF_INCLUDEHIDDEN, &penum);
1084     if (penum) {
1085         LPITEMIDLIST pidl;
1086         DWORD dwFetched;
1087         int i = 1;
1088
1089 next:
1090         IEnumIDList_Reset (penum);
1091         while (S_OK == IEnumIDList_Next (penum, 1, &pidl, &dwFetched) &&
1092          dwFetched) {
1093             _ILSimpleGetText (pidl, szText, MAX_PATH);
1094             if (0 == strcasecmp (szText, lpName)) {
1095                 sprintf (lpName, "%s %d", szNewFolder, i++);
1096                 if (i > 99) {
1097                     hr = E_FAIL;
1098                     break;
1099                 }
1100                 goto next;
1101             }
1102         }
1103
1104         IEnumIDList_Release (penum);
1105     }
1106     return hr;
1107 }
1108
1109 /****************************************************************************
1110  * ISFHelper_fnAddFolder
1111  *
1112  * adds a new folder.
1113  */
1114
1115 static HRESULT WINAPI
1116 ISFHelper_fnAddFolder (ISFHelper * iface, HWND hwnd, LPCSTR lpName,
1117                        LPITEMIDLIST * ppidlOut)
1118 {
1119     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1120     char lpstrNewDir[MAX_PATH];
1121     DWORD bRes;
1122     HRESULT hres = E_FAIL;
1123
1124     TRACE ("(%p)(%s %p)\n", This, lpName, ppidlOut);
1125
1126     if (!WideCharToMultiByte(CP_ACP, 0, This->sPathTarget, -1, lpstrNewDir, MAX_PATH, NULL, NULL))
1127         lpstrNewDir[0] = '\0';
1128     PathAppendA(lpstrNewDir, lpName);
1129
1130     bRes = CreateDirectoryA (lpstrNewDir, NULL);
1131     if (bRes) {
1132         SHChangeNotify (SHCNE_MKDIR, SHCNF_PATHA, lpstrNewDir, NULL);
1133
1134         hres = S_OK;
1135
1136         if (ppidlOut)
1137                 hres = _ILCreateFromPathA(lpstrNewDir, ppidlOut);
1138     } else {
1139         char lpstrText[128 + MAX_PATH];
1140         char lpstrTempText[128];
1141         char lpstrCaption[256];
1142
1143         /* Cannot Create folder because of permissions */
1144         LoadStringA (shell32_hInstance, IDS_CREATEFOLDER_DENIED, lpstrTempText,
1145          sizeof (lpstrTempText));
1146         LoadStringA (shell32_hInstance, IDS_CREATEFOLDER_CAPTION, lpstrCaption,
1147          sizeof (lpstrCaption));
1148         sprintf (lpstrText, lpstrTempText, lpstrNewDir);
1149         MessageBoxA (hwnd, lpstrText, lpstrCaption, MB_OK | MB_ICONEXCLAMATION);
1150     }
1151
1152     return hres;
1153 }
1154
1155 /****************************************************************************
1156  * ISFHelper_fnDeleteItems
1157  *
1158  * deletes items in folder
1159  */
1160 static HRESULT WINAPI
1161 ISFHelper_fnDeleteItems (ISFHelper * iface, UINT cidl, LPCITEMIDLIST * apidl)
1162 {
1163     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1164     UINT i;
1165     char szPath[MAX_PATH];
1166     BOOL bConfirm = TRUE;
1167
1168     TRACE ("(%p)(%u %p)\n", This, cidl, apidl);
1169
1170     /* deleting multiple items so give a slightly different warning */
1171     if (cidl != 1) {
1172         char tmp[8];
1173
1174         snprintf (tmp, sizeof (tmp), "%d", cidl);
1175         if (!SHELL_ConfirmDialog(ASK_DELETE_MULTIPLE_ITEM, tmp))
1176             return E_FAIL;
1177         bConfirm = FALSE;
1178     }
1179
1180     for (i = 0; i < cidl; i++) {
1181         if (!WideCharToMultiByte(CP_ACP, 0, This->sPathTarget, -1, szPath, MAX_PATH, NULL, NULL))
1182             szPath[0] = '\0';
1183         PathAddBackslashA (szPath);
1184         _ILSimpleGetText (apidl[i], szPath + strlen (szPath), MAX_PATH);
1185
1186         if (_ILIsFolder (apidl[i])) {
1187             LPITEMIDLIST pidl;
1188
1189             TRACE ("delete %s\n", szPath);
1190             if (!SHELL_DeleteDirectoryA (szPath, bConfirm)) {
1191                 TRACE ("delete %s failed, bConfirm=%d\n", szPath, bConfirm);
1192                 return E_FAIL;
1193             }
1194             pidl = ILCombine (This->pidlRoot, apidl[i]);
1195             SHChangeNotify (SHCNE_RMDIR, SHCNF_IDLIST, pidl, NULL);
1196             SHFree (pidl);
1197         } else if (_ILIsValue (apidl[i])) {
1198             LPITEMIDLIST pidl;
1199
1200             TRACE ("delete %s\n", szPath);
1201             if (!SHELL_DeleteFileA (szPath, bConfirm)) {
1202                 TRACE ("delete %s failed, bConfirm=%d\n", szPath, bConfirm);
1203                 return E_FAIL;
1204             }
1205             pidl = ILCombine (This->pidlRoot, apidl[i]);
1206             SHChangeNotify (SHCNE_DELETE, SHCNF_IDLIST, pidl, NULL);
1207             SHFree (pidl);
1208         }
1209
1210     }
1211     return S_OK;
1212 }
1213
1214 /****************************************************************************
1215  * ISFHelper_fnCopyItems
1216  *
1217  * copies items to this folder
1218  */
1219 static HRESULT WINAPI
1220 ISFHelper_fnCopyItems (ISFHelper * iface, IShellFolder * pSFFrom, UINT cidl,
1221                        LPCITEMIDLIST * apidl)
1222 {
1223     UINT i;
1224     IPersistFolder2 *ppf2 = NULL;
1225     char szSrcPath[MAX_PATH],
1226       szDstPath[MAX_PATH];
1227
1228     IGenericSFImpl *This = impl_from_ISFHelper(iface);
1229
1230     TRACE ("(%p)->(%p,%u,%p)\n", This, pSFFrom, cidl, apidl);
1231
1232     IShellFolder_QueryInterface (pSFFrom, &IID_IPersistFolder2,
1233      (LPVOID *) & ppf2);
1234     if (ppf2) {
1235         LPITEMIDLIST pidl;
1236
1237         if (SUCCEEDED (IPersistFolder2_GetCurFolder (ppf2, &pidl))) {
1238             for (i = 0; i < cidl; i++) {
1239                 SHGetPathFromIDListA (pidl, szSrcPath);
1240                 PathAddBackslashA (szSrcPath);
1241                 _ILSimpleGetText (apidl[i], szSrcPath + strlen (szSrcPath),
1242                  MAX_PATH);
1243
1244                 if (!WideCharToMultiByte(CP_ACP, 0, This->sPathTarget, -1, szDstPath, MAX_PATH, NULL, NULL))
1245                     szDstPath[0] = '\0';
1246                 PathAddBackslashA (szDstPath);
1247                 _ILSimpleGetText (apidl[i], szDstPath + strlen (szDstPath),
1248                  MAX_PATH);
1249                 MESSAGE ("would copy %s to %s\n", szSrcPath, szDstPath);
1250             }
1251             SHFree (pidl);
1252         }
1253         IPersistFolder2_Release (ppf2);
1254     }
1255     return S_OK;
1256 }
1257
1258 static const ISFHelperVtbl shvt =
1259 {
1260     ISFHelper_fnQueryInterface,
1261     ISFHelper_fnAddRef,
1262     ISFHelper_fnRelease,
1263     ISFHelper_fnGetUniqueName,
1264     ISFHelper_fnAddFolder,
1265     ISFHelper_fnDeleteItems,
1266     ISFHelper_fnCopyItems
1267 };
1268
1269 /************************************************************************
1270  * IFSFldr_PersistFolder3_QueryInterface
1271  *
1272  */
1273 static HRESULT WINAPI
1274 IFSFldr_PersistFolder3_QueryInterface (IPersistFolder3 * iface, REFIID iid,
1275                                        LPVOID * ppvObj)
1276 {
1277     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1278
1279     TRACE ("(%p)\n", This);
1280
1281     return IUnknown_QueryInterface (This->pUnkOuter, iid, ppvObj);
1282 }
1283
1284 /************************************************************************
1285  * IFSFldr_PersistFolder3_AddRef
1286  *
1287  */
1288 static ULONG WINAPI
1289 IFSFldr_PersistFolder3_AddRef (IPersistFolder3 * iface)
1290 {
1291     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1292
1293     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
1294
1295     return IUnknown_AddRef (This->pUnkOuter);
1296 }
1297
1298 /************************************************************************
1299  * IFSFldr_PersistFolder3_Release
1300  *
1301  */
1302 static ULONG WINAPI
1303 IFSFldr_PersistFolder3_Release (IPersistFolder3 * iface)
1304 {
1305     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1306
1307     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
1308
1309     return IUnknown_Release (This->pUnkOuter);
1310 }
1311
1312 /************************************************************************
1313  * IFSFldr_PersistFolder3_GetClassID
1314  */
1315 static HRESULT WINAPI
1316 IFSFldr_PersistFolder3_GetClassID (IPersistFolder3 * iface, CLSID * lpClassId)
1317 {
1318     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1319
1320     TRACE ("(%p)\n", This);
1321
1322     if (!lpClassId)
1323         return E_POINTER;
1324     *lpClassId = *This->pclsid;
1325
1326     return S_OK;
1327 }
1328
1329 /************************************************************************
1330  * IFSFldr_PersistFolder3_Initialize
1331  *
1332  * NOTES
1333  *  sPathTarget is not set. Don't know how to handle in a non rooted environment.
1334  */
1335 static HRESULT WINAPI
1336 IFSFldr_PersistFolder3_Initialize (IPersistFolder3 * iface, LPCITEMIDLIST pidl)
1337 {
1338     WCHAR wszTemp[MAX_PATH];
1339
1340     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1341
1342     TRACE ("(%p)->(%p)\n", This, pidl);
1343
1344     if (This->pidlRoot)
1345         SHFree (This->pidlRoot);     /* free the old pidl */
1346     This->pidlRoot = ILClone (pidl); /* set my pidl */
1347
1348     if (This->sPathTarget)
1349     {
1350         SHFree (This->sPathTarget);
1351         This->sPathTarget = NULL;
1352     }
1353
1354     /* set my path */
1355     if (SHGetPathFromIDListW (pidl, wszTemp)) {
1356         int len = strlenW(wszTemp);
1357         This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1358         if (!This->sPathTarget)
1359             return E_OUTOFMEMORY;
1360         memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1361     }
1362
1363     TRACE ("--(%p)->(%s)\n", This, debugstr_w(This->sPathTarget));
1364     return S_OK;
1365 }
1366
1367 /**************************************************************************
1368  * IFSFldr_PersistFolder3_GetCurFolder
1369  */
1370 static HRESULT WINAPI
1371 IFSFldr_PersistFolder3_fnGetCurFolder (IPersistFolder3 * iface,
1372                                        LPITEMIDLIST * pidl)
1373 {
1374     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1375
1376     TRACE ("(%p)->(%p)\n", This, pidl);
1377
1378     if (!pidl) return E_POINTER;
1379     *pidl = ILClone (This->pidlRoot);
1380     return S_OK;
1381 }
1382
1383 /**************************************************************************
1384  * IFSFldr_PersistFolder3_InitializeEx
1385  *
1386  * FIXME: error handling
1387  */
1388 static HRESULT WINAPI
1389 IFSFldr_PersistFolder3_InitializeEx (IPersistFolder3 * iface,
1390                                      IBindCtx * pbc, LPCITEMIDLIST pidlRoot,
1391                                      const PERSIST_FOLDER_TARGET_INFO * ppfti)
1392 {
1393     WCHAR wszTemp[MAX_PATH];
1394
1395     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1396
1397     TRACE ("(%p)->(%p,%p,%p)\n", This, pbc, pidlRoot, ppfti);
1398     if (ppfti)
1399         TRACE ("--%p %s %s 0x%08lx 0x%08x\n",
1400          ppfti->pidlTargetFolder, debugstr_w (ppfti->szTargetParsingName),
1401          debugstr_w (ppfti->szNetworkProvider), ppfti->dwAttributes,
1402          ppfti->csidl);
1403
1404     pdump (pidlRoot);
1405     if (ppfti && ppfti->pidlTargetFolder)
1406         pdump (ppfti->pidlTargetFolder);
1407
1408     if (This->pidlRoot)
1409         __SHFreeAndNil (&This->pidlRoot);    /* free the old */
1410     if (This->sPathTarget)
1411         __SHFreeAndNil (&This->sPathTarget);
1412
1413     /*
1414      * Root path and pidl
1415      */
1416     This->pidlRoot = ILClone (pidlRoot);
1417
1418     /*
1419      *  the target folder is spezified in csidl OR pidlTargetFolder OR
1420      *  szTargetParsingName
1421      */
1422     if (ppfti) {
1423         if (ppfti->csidl != -1) {
1424             if (SHGetSpecialFolderPathW (0, wszTemp, ppfti->csidl,
1425              ppfti->csidl & CSIDL_FLAG_CREATE)) {
1426                 int len = strlenW(wszTemp);
1427                 This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1428                 if (!This->sPathTarget)
1429                     return E_OUTOFMEMORY;
1430                 memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1431             }
1432         } else if (ppfti->szTargetParsingName[0]) {
1433             int len = strlenW(ppfti->szTargetParsingName);
1434             This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1435             if (!This->sPathTarget)
1436                 return E_OUTOFMEMORY;
1437             memcpy(This->sPathTarget, ppfti->szTargetParsingName,
1438                    (len + 1) * sizeof(WCHAR));
1439         } else if (ppfti->pidlTargetFolder) {
1440             if (SHGetPathFromIDListW(ppfti->pidlTargetFolder, wszTemp)) {
1441                 int len = strlenW(wszTemp);
1442                 This->sPathTarget = SHAlloc((len + 1) * sizeof(WCHAR));
1443                 if (!This->sPathTarget)
1444                     return E_OUTOFMEMORY;
1445                 memcpy(This->sPathTarget, wszTemp, (len + 1) * sizeof(WCHAR));
1446             }
1447         }
1448     }
1449
1450     TRACE ("--(%p)->(target=%s)\n", This, debugstr_w(This->sPathTarget));
1451     pdump (This->pidlRoot);
1452     return (This->sPathTarget) ? S_OK : E_FAIL;
1453 }
1454
1455 static HRESULT WINAPI
1456 IFSFldr_PersistFolder3_GetFolderTargetInfo (IPersistFolder3 * iface,
1457                                             PERSIST_FOLDER_TARGET_INFO * ppfti)
1458 {
1459     IGenericSFImpl *This = impl_from_IPersistFolder3(iface);
1460     FIXME ("(%p)->(%p)\n", This, ppfti);
1461     ZeroMemory (ppfti, sizeof (ppfti));
1462     return E_NOTIMPL;
1463 }
1464
1465 static const IPersistFolder3Vtbl vt_FSFldr_PersistFolder3 =
1466 {
1467     IFSFldr_PersistFolder3_QueryInterface,
1468     IFSFldr_PersistFolder3_AddRef,
1469     IFSFldr_PersistFolder3_Release,
1470     IFSFldr_PersistFolder3_GetClassID,
1471     IFSFldr_PersistFolder3_Initialize,
1472     IFSFldr_PersistFolder3_fnGetCurFolder,
1473     IFSFldr_PersistFolder3_InitializeEx,
1474     IFSFldr_PersistFolder3_GetFolderTargetInfo
1475 };
1476
1477 /****************************************************************************
1478  * ISFDropTarget implementation
1479  */
1480 static BOOL
1481 ISFDropTarget_QueryDrop (IDropTarget * iface, DWORD dwKeyState,
1482                          LPDWORD pdwEffect)
1483 {
1484     DWORD dwEffect = *pdwEffect;
1485
1486     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1487
1488     *pdwEffect = DROPEFFECT_NONE;
1489
1490     if (This->fAcceptFmt) { /* Does our interpretation of the keystate ... */
1491         *pdwEffect = KeyStateToDropEffect (dwKeyState);
1492
1493         /* ... matches the desired effect ? */
1494         if (dwEffect & *pdwEffect) {
1495             return TRUE;
1496         }
1497     }
1498     return FALSE;
1499 }
1500
1501 static HRESULT WINAPI
1502 ISFDropTarget_QueryInterface (IDropTarget * iface, REFIID riid, LPVOID * ppvObj)
1503 {
1504     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1505
1506     TRACE ("(%p)\n", This);
1507
1508     return IUnknown_QueryInterface (This->pUnkOuter, riid, ppvObj);
1509 }
1510
1511 static ULONG WINAPI ISFDropTarget_AddRef (IDropTarget * iface)
1512 {
1513     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1514
1515     TRACE ("(%p)\n", This);
1516
1517     return IUnknown_AddRef (This->pUnkOuter);
1518 }
1519
1520 static ULONG WINAPI ISFDropTarget_Release (IDropTarget * iface)
1521 {
1522     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1523
1524     TRACE ("(%p)\n", This);
1525
1526     return IUnknown_Release (This->pUnkOuter);
1527 }
1528
1529 static HRESULT WINAPI
1530 ISFDropTarget_DragEnter (IDropTarget * iface, IDataObject * pDataObject,
1531                          DWORD dwKeyState, POINTL pt, DWORD * pdwEffect)
1532 {
1533     FORMATETC fmt;
1534
1535     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1536
1537     TRACE ("(%p)->(DataObject=%p)\n", This, pDataObject);
1538
1539     InitFormatEtc (fmt, This->cfShellIDList, TYMED_HGLOBAL);
1540
1541     This->fAcceptFmt = (S_OK == IDataObject_QueryGetData (pDataObject, &fmt)) ?
1542      TRUE : FALSE;
1543
1544     ISFDropTarget_QueryDrop (iface, dwKeyState, pdwEffect);
1545
1546     return S_OK;
1547 }
1548
1549 static HRESULT WINAPI
1550 ISFDropTarget_DragOver (IDropTarget * iface, DWORD dwKeyState, POINTL pt,
1551                         DWORD * pdwEffect)
1552 {
1553     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1554
1555     TRACE ("(%p)\n", This);
1556
1557     if (!pdwEffect)
1558         return E_INVALIDARG;
1559
1560     ISFDropTarget_QueryDrop (iface, dwKeyState, pdwEffect);
1561
1562     return S_OK;
1563 }
1564
1565 static HRESULT WINAPI ISFDropTarget_DragLeave (IDropTarget * iface)
1566 {
1567     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1568
1569     TRACE ("(%p)\n", This);
1570
1571     This->fAcceptFmt = FALSE;
1572
1573     return S_OK;
1574 }
1575
1576 static HRESULT WINAPI
1577 ISFDropTarget_Drop (IDropTarget * iface, IDataObject * pDataObject,
1578                     DWORD dwKeyState, POINTL pt, DWORD * pdwEffect)
1579 {
1580     IGenericSFImpl *This = impl_from_IDropTarget(iface);
1581
1582     FIXME ("(%p) object dropped\n", This);
1583
1584     return E_NOTIMPL;
1585 }
1586
1587 static const IDropTargetVtbl dtvt = {
1588     ISFDropTarget_QueryInterface,
1589     ISFDropTarget_AddRef,
1590     ISFDropTarget_Release,
1591     ISFDropTarget_DragEnter,
1592     ISFDropTarget_DragOver,
1593     ISFDropTarget_DragLeave,
1594     ISFDropTarget_Drop
1595 };