2 * Trash virtual folder support. The trashing engine is implemented in trash.c
4 * Copyright (C) 2006 Mikolaj Zalewski
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #define NONAMELESSUNION
37 #include "wine/debug.h"
39 #include "shell32_main.h"
40 #include "enumidlist.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(recyclebin
);
55 static const columninfo RecycleBinColumns
[] =
57 {IDS_SHV_COLUMN1
, &FMTID_Storage
, PID_STG_NAME
, SHCOLSTATE_TYPE_STR
|SHCOLSTATE_ONBYDEFAULT
, LVCFMT_LEFT
, 30},
58 {IDS_SHV_COLUMN_DELFROM
, &FMTID_Displaced
, PID_DISPLACED_FROM
, SHCOLSTATE_TYPE_STR
|SHCOLSTATE_ONBYDEFAULT
, LVCFMT_LEFT
, 30},
59 {IDS_SHV_COLUMN_DELDATE
, &FMTID_Displaced
, PID_DISPLACED_DATE
, SHCOLSTATE_TYPE_DATE
|SHCOLSTATE_ONBYDEFAULT
, LVCFMT_LEFT
, 20},
60 {IDS_SHV_COLUMN2
, &FMTID_Storage
, PID_STG_SIZE
, SHCOLSTATE_TYPE_INT
|SHCOLSTATE_ONBYDEFAULT
, LVCFMT_RIGHT
, 20},
61 {IDS_SHV_COLUMN3
, &FMTID_Storage
, PID_STG_STORAGETYPE
,SHCOLSTATE_TYPE_INT
|SHCOLSTATE_ONBYDEFAULT
, LVCFMT_LEFT
, 20},
62 {IDS_SHV_COLUMN4
, &FMTID_Storage
, PID_STG_WRITETIME
, SHCOLSTATE_TYPE_DATE
|SHCOLSTATE_ONBYDEFAULT
, LVCFMT_LEFT
, 20},
63 /* {"creation time", &FMTID_Storage, PID_STG_CREATETIME, SHCOLSTATE_TYPE_DATE, LVCFMT_LEFT, 20}, */
64 /* {"attribs", &FMTID_Storage, PID_STG_ATTRIBUTES, SHCOLSTATE_TYPE_STR, LVCFMT_LEFT, 20}, */
68 #define COLUMN_DELFROM 1
69 #define COLUMN_DATEDEL 2
72 #define COLUMN_MTIME 5
74 #define COLUMNS_COUNT 6
76 HRESULT
FormatDateTime(LPWSTR buffer
, int size
, FILETIME ft
)
82 FileTimeToLocalFileTime(&ft
, &lft
);
83 FileTimeToSystemTime(&lft
, &time
);
85 ret
= GetDateFormatW(LOCALE_USER_DEFAULT
, DATE_SHORTDATE
, &time
, NULL
, buffer
, size
);
86 if (ret
>0 && ret
<size
)
88 /* Append space + time without seconds */
90 GetTimeFormatW(LOCALE_USER_DEFAULT
, TIME_NOSECONDS
, &time
, NULL
, &buffer
[ret
], size
- ret
);
93 return (ret
!=0 ? E_FAIL
: S_OK
);
100 typedef struct tagRecycleBin
102 IShellFolder2Vtbl
*lpVtbl
;
103 IPersistFolder2Vtbl
*lpPersistFolderVtbl
;
109 static IShellFolder2Vtbl recycleBinVtbl
;
110 static IPersistFolder2Vtbl recycleBinPersistVtbl
;
112 static RecycleBin
*impl_from_IPersistFolder(IPersistFolder2
*iface
)
114 return (RecycleBin
*)((char*)iface
- FIELD_OFFSET(RecycleBin
, lpPersistFolderVtbl
));
117 void RecycleBin_Destructor(RecycleBin
*This
);
119 HRESULT WINAPI
RecycleBin_Constructor(IUnknown
*pUnkOuter
, REFIID riid
, LPVOID
*ppOutput
)
124 return CLASS_E_NOAGGREGATION
;
126 obj
= SHAlloc(sizeof(RecycleBin
));
128 return E_OUTOFMEMORY
;
129 ZeroMemory(obj
, sizeof(RecycleBin
));
130 obj
->lpVtbl
= &recycleBinVtbl
;
131 obj
->lpPersistFolderVtbl
= &recycleBinPersistVtbl
;
132 if (FAILED(ret
= IUnknown_QueryInterface((IUnknown
*)obj
, riid
, ppOutput
)))
134 RecycleBin_Destructor(obj
);
137 /* InterlockedIncrement(&objCount);*/
141 void RecycleBin_Destructor(RecycleBin
*This
)
143 /* InterlockedDecrement(&objCount);*/
148 static HRESULT WINAPI
RecycleBin_QueryInterface(IShellFolder2
*iface
, REFIID riid
, void **ppvObject
)
150 RecycleBin
*This
= (RecycleBin
*)iface
;
151 TRACE("(%p, %s, %p)\n", This
, debugstr_guid(riid
), ppvObject
);
154 if (IsEqualGUID(riid
, &IID_IUnknown
) || IsEqualGUID(riid
, &IID_IShellFolder
)
155 || IsEqualGUID(riid
, &IID_IShellFolder2
))
158 if (IsEqualGUID(riid
, &IID_IPersist
) || IsEqualGUID(riid
, &IID_IPersistFolder
)
159 || IsEqualGUID(riid
, &IID_IPersistFolder2
))
160 *ppvObject
= &This
->lpPersistFolderVtbl
;
162 if (*ppvObject
!= NULL
)
164 IUnknown_AddRef((IUnknown
*)*ppvObject
);
167 WARN("no interface %s\n", debugstr_guid(riid
));
168 return E_NOINTERFACE
;
171 static ULONG WINAPI
RecycleBin_AddRef(IShellFolder2
*iface
)
173 RecycleBin
*This
= (RecycleBin
*)iface
;
174 TRACE("(%p)\n", This
);
175 return InterlockedIncrement(&This
->refCount
);
178 static ULONG WINAPI
RecycleBin_Release(IShellFolder2
*iface
)
180 RecycleBin
*This
= (RecycleBin
*)iface
;
183 TRACE("(%p)\n", This
);
184 result
= InterlockedDecrement(&This
->refCount
);
187 TRACE("Destroy object\n");
188 RecycleBin_Destructor(This
);
193 static HRESULT WINAPI
RecycleBin_ParseDisplayName(IShellFolder2
*This
, HWND hwnd
, LPBC pbc
,
194 LPOLESTR pszDisplayName
, ULONG
*pchEaten
, LPITEMIDLIST
*ppidl
,
195 ULONG
*pdwAttributes
)
201 static HRESULT WINAPI
RecycleBin_EnumObjects(IShellFolder2
*iface
, HWND hwnd
, SHCONTF grfFlags
, IEnumIDList
**ppenumIDList
)
203 RecycleBin
*This
= (RecycleBin
*)iface
;
210 TRACE("(%p, %p, %x, %p)\n", This
, hwnd
, (unsigned int)grfFlags
, ppenumIDList
);
212 if (grfFlags
& SHCONTF_NONFOLDERS
)
214 *ppenumIDList
= NULL
;
215 if (FAILED(ret
= TRASH_EnumItems(&pidls
, &pidls_count
)))
218 list
= IEnumIDList_Constructor();
221 for (i
=0; i
<pidls_count
; i
++)
222 if (!AddToEnumList(list
, pidls
[i
]))
224 *ppenumIDList
= list
;
228 *ppenumIDList
= IEnumIDList_Constructor();
229 if (*ppenumIDList
== NULL
)
230 return E_OUTOFMEMORY
;
237 IEnumIDList_Release(list
);
238 for (; i
<pidls_count
; i
++)
241 return E_OUTOFMEMORY
;
244 static HRESULT WINAPI
RecycleBin_BindToObject(IShellFolder2
*This
, LPCITEMIDLIST pidl
, LPBC pbc
, REFIID riid
, void **ppv
)
246 FIXME("(%p, %p, %p, %s, %p) - stub\n", This
, pidl
, pbc
, debugstr_guid(riid
), ppv
);
250 static HRESULT WINAPI
RecycleBin_BindToStorage(IShellFolder2
*This
, LPCITEMIDLIST pidl
, LPBC pbc
, REFIID riid
, void **ppv
)
252 FIXME("(%p, %p, %p, %s, %p) - stub\n", This
, pidl
, pbc
, debugstr_guid(riid
), ppv
);
256 static HRESULT WINAPI
RecycleBin_CompareIDs(IShellFolder2
*iface
, LPARAM lParam
, LPCITEMIDLIST pidl1
, LPCITEMIDLIST pidl2
)
258 RecycleBin
*This
= (RecycleBin
*)iface
;
261 TRACE("(%p, %p, %p, %p)\n", This
, (void *)lParam
, pidl1
, pidl2
);
262 if (pidl1
->mkid
.cb
!= pidl2
->mkid
.cb
)
263 return MAKE_HRESULT(SEVERITY_SUCCESS
, 0, pidl1
->mkid
.cb
- pidl2
->mkid
.cb
);
264 return MAKE_HRESULT(SEVERITY_SUCCESS
, 0, (unsigned short)memcmp(pidl1
->mkid
.abID
, pidl2
->mkid
.abID
, pidl1
->mkid
.cb
));
267 static HRESULT WINAPI
RecycleBin_CreateViewObject(IShellFolder2
*iface
, HWND hwndOwner
, REFIID riid
, void **ppv
)
269 RecycleBin
*This
= (RecycleBin
*)iface
;
271 TRACE("(%p, %p, %s, %p)\n", This
, hwndOwner
, debugstr_guid(riid
), ppv
);
274 if (IsEqualGUID(riid
, &IID_IShellView
))
279 ZeroMemory(&sfv
, sizeof(sfv
));
280 sfv
.cbSize
= sizeof(sfv
);
281 sfv
.pshf
= (IShellFolder
*)This
;
283 TRACE("Calling SHCreateShellFolderViewEx\n");
284 ret
= SHCreateShellFolderViewEx(&sfv
, &tmp
);
285 TRACE("Result: %08x, output: %p\n", (unsigned int)ret
, tmp
);
290 return E_NOINTERFACE
;
293 static HRESULT WINAPI
RecycleBin_GetAttributesOf(IShellFolder2
*This
, UINT cidl
, LPCITEMIDLIST
*apidl
,
296 TRACE("(%p, %d, {%p, ...}, {%x})\n", This
, cidl
, apidl
[0], (unsigned int)*rgfInOut
);
297 *rgfInOut
&= SFGAO_CANMOVE
|SFGAO_CANDELETE
|SFGAO_HASPROPSHEET
|SFGAO_FILESYSTEM
;
301 static HRESULT WINAPI
RecycleBin_GetUIObjectOf(IShellFolder2
*This
, HWND hwndOwner
, UINT cidl
, LPCITEMIDLIST
*apidl
,
302 REFIID riid
, UINT
*rgfReserved
, void **ppv
)
304 FIXME("(%p, %p, %d, {%p, ...}, %s, %p, %p): stub!\n", This
, hwndOwner
, cidl
, apidl
[0], debugstr_guid(riid
), rgfReserved
, ppv
);
309 static HRESULT WINAPI
RecycleBin_GetDisplayNameOf(IShellFolder2
*This
, LPCITEMIDLIST pidl
, SHGDNF uFlags
, STRRET
*pName
)
311 WIN32_FIND_DATAW data
;
313 TRACE("(%p, %p, %x, %p)\n", This
, pidl
, (unsigned int)uFlags
, pName
);
314 TRASH_UnpackItemID(&pidl
->mkid
, NULL
, &data
);
315 pName
->uType
= STRRET_WSTR
;
316 pName
->u
.pOleStr
= StrDupW(PathFindFileNameW(data
.cFileName
));
317 if (pName
->u
.pOleStr
== NULL
)
318 return E_OUTOFMEMORY
;
323 static HRESULT WINAPI
RecycleBin_SetNameOf(IShellFolder2
*This
, HWND hwnd
, LPCITEMIDLIST pidl
, LPCOLESTR pszName
,
324 SHGDNF uFlags
, LPITEMIDLIST
*ppidlOut
)
327 return E_FAIL
; /* not supported */
330 static HRESULT WINAPI
RecycleBin_GetClassID(IPersistFolder2
*This
, CLSID
*pClassID
)
332 TRACE("(%p, %p)\n", This
, pClassID
);
333 if (This
== NULL
|| pClassID
== NULL
)
335 memcpy(pClassID
, &CLSID_RecycleBin
, sizeof(CLSID
));
339 static HRESULT WINAPI
RecycleBin_Initialize(IPersistFolder2
*iface
, LPCITEMIDLIST pidl
)
341 RecycleBin
*This
= impl_from_IPersistFolder(iface
);
342 TRACE("(%p, %p)\n", This
, pidl
);
344 This
->pidl
= ILClone(pidl
);
345 if (This
->pidl
== NULL
)
346 return E_OUTOFMEMORY
;
350 static HRESULT WINAPI
RecycleBin_GetCurFolder(IPersistFolder2
*iface
, LPITEMIDLIST
*ppidl
)
352 RecycleBin
*This
= impl_from_IPersistFolder(iface
);
354 *ppidl
= ILClone(This
->pidl
);
358 static HRESULT WINAPI
RecycleBin_GetDefaultSearchGUID(IShellFolder2
*iface
, GUID
*pguid
)
364 static HRESULT WINAPI
RecycleBin_EnumSearches(IShellFolder2
*iface
, IEnumExtraSearch
**ppEnum
)
371 static HRESULT WINAPI
RecycleBin_GetDefaultColumn(IShellFolder2
*iface
, DWORD dwReserved
, ULONG
*pSort
, ULONG
*pDisplay
)
373 RecycleBin
*This
= (RecycleBin
*)iface
;
374 TRACE("(%p, %x, %p, %p)\n", This
, (unsigned int)dwReserved
, pSort
, pDisplay
);
380 static HRESULT WINAPI
RecycleBin_GetDefaultColumnState(IShellFolder2
*iface
, UINT iColumn
, SHCOLSTATEF
*pcsFlags
)
382 RecycleBin
*This
= (RecycleBin
*)iface
;
383 TRACE("(%p, %d, %p)\n", This
, iColumn
, pcsFlags
);
384 if (iColumn
< 0 || iColumn
>= COLUMNS_COUNT
)
386 *pcsFlags
= RecycleBinColumns
[iColumn
].pcsFlags
;
390 static HRESULT WINAPI
RecycleBin_GetDetailsEx(IShellFolder2
*iface
, LPCITEMIDLIST pidl
, const SHCOLUMNID
*pscid
, VARIANT
*pv
)
396 static HRESULT WINAPI
RecycleBin_GetDetailsOf(IShellFolder2
*iface
, LPCITEMIDLIST pidl
, UINT iColumn
, LPSHELLDETAILS pDetails
)
398 RecycleBin
*This
= (RecycleBin
*)iface
;
399 WIN32_FIND_DATAW data
;
400 WCHAR buffer
[MAX_PATH
];
402 TRACE("(%p, %p, %d, %p)\n", This
, pidl
, iColumn
, pDetails
);
403 if (iColumn
< 0 || iColumn
>= COLUMNS_COUNT
)
405 pDetails
->fmt
= RecycleBinColumns
[iColumn
].fmt
;
406 pDetails
->cxChar
= RecycleBinColumns
[iColumn
].cxChars
;
409 pDetails
->str
.uType
= STRRET_WSTR
;
410 LoadStringW(shell32_hInstance
, RecycleBinColumns
[iColumn
].column_name_id
, buffer
, MAX_PATH
);
411 return SHStrDupW(buffer
, &pDetails
->str
.u
.pOleStr
);
414 if (iColumn
== COLUMN_NAME
)
415 return RecycleBin_GetDisplayNameOf(iface
, pidl
, SHGDN_NORMAL
, &pDetails
->str
);
417 TRASH_UnpackItemID(&pidl
->mkid
, NULL
, &data
);
421 FormatDateTime(buffer
, MAX_PATH
, data
.ftLastAccessTime
);
424 lstrcpyW(buffer
, data
.cFileName
);
425 PathRemoveFileSpecW(buffer
);
428 StrFormatKBSizeW(((LONGLONG
)data
.nFileSizeHigh
<<32)|data
.nFileSizeLow
, buffer
, MAX_PATH
);
431 FormatDateTime(buffer
, MAX_PATH
, data
.ftLastWriteTime
);
441 pDetails
->str
.uType
= STRRET_WSTR
;
442 pDetails
->str
.u
.pOleStr
= StrDupW(buffer
);
443 return (pDetails
->str
.u
.pOleStr
!= NULL
? S_OK
: E_OUTOFMEMORY
);
446 static HRESULT WINAPI
RecycleBin_MapColumnToSCID(IShellFolder2
*iface
, UINT iColumn
, SHCOLUMNID
*pscid
)
448 RecycleBin
*This
= (RecycleBin
*)iface
;
449 TRACE("(%p, %d, %p)\n", This
, iColumn
, pscid
);
450 if (iColumn
<0 || iColumn
>=COLUMNS_COUNT
)
452 pscid
->fmtid
= *RecycleBinColumns
[iColumn
].fmtId
;
453 pscid
->pid
= RecycleBinColumns
[iColumn
].pid
;
457 static IShellFolder2Vtbl recycleBinVtbl
=
460 RecycleBin_QueryInterface
,
465 RecycleBin_ParseDisplayName
,
466 RecycleBin_EnumObjects
,
467 RecycleBin_BindToObject
,
468 RecycleBin_BindToStorage
,
469 RecycleBin_CompareIDs
,
470 RecycleBin_CreateViewObject
,
471 RecycleBin_GetAttributesOf
,
472 RecycleBin_GetUIObjectOf
,
473 RecycleBin_GetDisplayNameOf
,
474 RecycleBin_SetNameOf
,
477 RecycleBin_GetDefaultSearchGUID
,
478 RecycleBin_EnumSearches
,
479 RecycleBin_GetDefaultColumn
,
480 RecycleBin_GetDefaultColumnState
,
481 RecycleBin_GetDetailsEx
,
482 RecycleBin_GetDetailsOf
,
483 RecycleBin_MapColumnToSCID
486 static HRESULT WINAPI
RecycleBin_IPersistFolder2_QueryInterface(IPersistFolder2
*This
, REFIID riid
, void **ppvObject
)
488 return RecycleBin_QueryInterface((IShellFolder2
*)impl_from_IPersistFolder(This
), riid
, ppvObject
);
491 static ULONG WINAPI
RecycleBin_IPersistFolder2_AddRef(IPersistFolder2
*This
)
493 return RecycleBin_AddRef((IShellFolder2
*)impl_from_IPersistFolder(This
));
496 static ULONG WINAPI
RecycleBin_IPersistFolder2_Release(IPersistFolder2
*This
)
498 return RecycleBin_Release((IShellFolder2
*)impl_from_IPersistFolder(This
));
501 static IPersistFolder2Vtbl recycleBinPersistVtbl
=
504 RecycleBin_IPersistFolder2_QueryInterface
,
505 RecycleBin_IPersistFolder2_AddRef
,
506 RecycleBin_IPersistFolder2_Release
,
509 RecycleBin_GetClassID
,
511 RecycleBin_Initialize
,
512 /* IPersistFolder2 */
513 RecycleBin_GetCurFolder