4 * Copyright 1998 Juergen Schmied <juergen.schmied@metronet.de>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include "wine/debug.h"
28 #include "wine/unicode.h"
35 #include "enumidlist.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(shell
);
39 typedef struct tagENUMLIST
41 struct tagENUMLIST
*pNext
;
44 } ENUMLIST
, *LPENUMLIST
;
48 const IEnumIDListVtbl
*lpVtbl
;
56 static const IEnumIDListVtbl eidlvt
;
58 /**************************************************************************
65 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
69 TRACE("(%p)->(pidl=%p)\n",This
,pidl
);
74 pNew
= (LPENUMLIST
)SHAlloc(sizeof(ENUMLIST
));
77 /*set the next pointer */
81 /*is This the first item in the list? */
85 This
->mpCurrent
= pNew
;
90 /*add the new item to the end of the list */
91 This
->mpLast
->pNext
= pNew
;
94 /*update the last item pointer */
96 TRACE("-- (%p)->(first=%p, last=%p)\n",This
,This
->mpFirst
,This
->mpLast
);
102 /**************************************************************************
103 * CreateFolderEnumList()
105 BOOL
CreateFolderEnumList(
110 LPITEMIDLIST pidl
=NULL
;
111 WIN32_FIND_DATAW stffile
;
113 WCHAR szPath
[MAX_PATH
];
114 BOOL succeeded
= TRUE
;
115 static const WCHAR stars
[] = { '*','.','*',0 };
116 static const WCHAR dot
[] = { '.',0 };
117 static const WCHAR dotdot
[] = { '.','.',0 };
119 TRACE("(%p)->(path=%s flags=0x%08lx) \n",list
,debugstr_w(lpszPath
),dwFlags
);
121 if(!lpszPath
|| !lpszPath
[0]) return FALSE
;
123 strcpyW(szPath
, lpszPath
);
124 PathAddBackslashW(szPath
);
125 strcatW(szPath
,stars
);
127 hFile
= FindFirstFileW(szPath
,&stffile
);
128 if ( hFile
!= INVALID_HANDLE_VALUE
)
130 BOOL findFinished
= FALSE
;
134 if ( !(stffile
.dwFileAttributes
& FILE_ATTRIBUTE_HIDDEN
)
135 || (dwFlags
& SHCONTF_INCLUDEHIDDEN
) )
137 if ( (stffile
.dwFileAttributes
& FILE_ATTRIBUTE_DIRECTORY
) &&
138 dwFlags
& SHCONTF_FOLDERS
&&
139 strcmpW(stffile
.cFileName
, dot
) && strcmpW(stffile
.cFileName
, dotdot
))
141 pidl
= _ILCreateFromFindDataW(&stffile
);
142 succeeded
= succeeded
&& AddToEnumList(list
, pidl
);
144 else if (!(stffile
.dwFileAttributes
& FILE_ATTRIBUTE_DIRECTORY
)
145 && dwFlags
& SHCONTF_NONFOLDERS
)
147 pidl
= _ILCreateFromFindDataW(&stffile
);
148 succeeded
= succeeded
&& AddToEnumList(list
, pidl
);
153 if (!FindNextFileW(hFile
, &stffile
))
155 if (GetLastError() == ERROR_NO_MORE_FILES
)
161 } while (succeeded
&& !findFinished
);
167 /**************************************************************************
170 static BOOL
DeleteList(
173 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
177 TRACE("(%p)->()\n",This
);
180 { pDelete
= This
->mpFirst
;
181 This
->mpFirst
= pDelete
->pNext
;
182 SHFree(pDelete
->pidl
);
185 This
->mpFirst
= This
->mpLast
= This
->mpCurrent
= NULL
;
189 /**************************************************************************
190 * IEnumIDList_Folder_Constructor
194 IEnumIDList
* IEnumIDList_Constructor(void)
196 IEnumIDListImpl
*lpeidl
= HeapAlloc(GetProcessHeap(),
197 HEAP_ZERO_MEMORY
, sizeof(IEnumIDListImpl
));
202 lpeidl
->lpVtbl
= &eidlvt
;
204 TRACE("-- (%p)->()\n",lpeidl
);
206 return (IEnumIDList
*)lpeidl
;
209 /**************************************************************************
210 * EnumIDList_QueryInterface
212 static HRESULT WINAPI
IEnumIDList_fnQueryInterface(
217 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
219 TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This
,debugstr_guid(riid
),ppvObj
);
223 if(IsEqualIID(riid
, &IID_IUnknown
)) /*IUnknown*/
226 else if(IsEqualIID(riid
, &IID_IEnumIDList
)) /*IEnumIDList*/
227 { *ppvObj
= (IEnumIDList
*)This
;
231 { IEnumIDList_AddRef((IEnumIDList
*)*ppvObj
);
232 TRACE("-- Interface: (%p)->(%p)\n",ppvObj
,*ppvObj
);
236 TRACE("-- Interface: E_NOINTERFACE\n");
237 return E_NOINTERFACE
;
240 /******************************************************************************
241 * IEnumIDList_fnAddRef
243 static ULONG WINAPI
IEnumIDList_fnAddRef(
246 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
247 ULONG refCount
= InterlockedIncrement(&This
->ref
);
249 TRACE("(%p)->(%lu)\n", This
, refCount
- 1);
253 /******************************************************************************
254 * IEnumIDList_fnRelease
256 static ULONG WINAPI
IEnumIDList_fnRelease(
259 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
260 ULONG refCount
= InterlockedDecrement(&This
->ref
);
262 TRACE("(%p)->(%lu)\n", This
, refCount
+ 1);
265 TRACE(" destroying IEnumIDList(%p)\n",This
);
266 DeleteList((IEnumIDList
*)This
);
267 HeapFree(GetProcessHeap(),0,This
);
272 /**************************************************************************
276 static HRESULT WINAPI
IEnumIDList_fnNext(
279 LPITEMIDLIST
* rgelt
,
282 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
288 TRACE("(%p)->(%ld,%p, %p)\n",This
,celt
,rgelt
,pceltFetched
);
290 /* It is valid to leave pceltFetched NULL when celt is 1. Some of explorer's
291 * subsystems actually use it (and so may a third party browser)
298 if(celt
> 1 && !pceltFetched
)
299 { return E_INVALIDARG
;
302 if(celt
> 0 && !This
->mpCurrent
)
306 for(i
= 0; i
< celt
; i
++)
307 { if(!(This
->mpCurrent
))
310 temp
= ILClone(This
->mpCurrent
->pidl
);
312 This
->mpCurrent
= This
->mpCurrent
->pNext
;
321 /**************************************************************************
324 static HRESULT WINAPI
IEnumIDList_fnSkip(
325 IEnumIDList
* iface
,ULONG celt
)
327 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
332 TRACE("(%p)->(%lu)\n",This
,celt
);
334 for(dwIndex
= 0; dwIndex
< celt
; dwIndex
++)
335 { if(!This
->mpCurrent
)
339 This
->mpCurrent
= This
->mpCurrent
->pNext
;
343 /**************************************************************************
344 * IEnumIDList_fnReset
346 static HRESULT WINAPI
IEnumIDList_fnReset(
349 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
351 TRACE("(%p)\n",This
);
352 This
->mpCurrent
= This
->mpFirst
;
355 /**************************************************************************
356 * IEnumIDList_fnClone
358 static HRESULT WINAPI
IEnumIDList_fnClone(
359 IEnumIDList
* iface
,LPENUMIDLIST
* ppenum
)
361 IEnumIDListImpl
*This
= (IEnumIDListImpl
*)iface
;
363 TRACE("(%p)->() to (%p)->() E_NOTIMPL\n",This
,ppenum
);
367 /**************************************************************************
368 * IEnumIDList_fnVTable
370 static const IEnumIDListVtbl eidlvt
=
372 IEnumIDList_fnQueryInterface
,
373 IEnumIDList_fnAddRef
,
374 IEnumIDList_fnRelease
,