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
36 #include "wine/debug.h"
38 #include "shell32_main.h"
39 #include "enumidlist.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(recyclebin);
54 static const columninfo RecycleBinColumns[] =
56 {IDS_SHV_COLUMN1, &FMTID_Storage, PID_STG_NAME, SHCOLSTATE_TYPE_STR|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 30},
57 {IDS_SHV_COLUMN_DELFROM, &FMTID_Displaced, PID_DISPLACED_FROM, SHCOLSTATE_TYPE_STR|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 30},
58 {IDS_SHV_COLUMN_DELDATE, &FMTID_Displaced, PID_DISPLACED_DATE, SHCOLSTATE_TYPE_DATE|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 20},
59 {IDS_SHV_COLUMN2, &FMTID_Storage, PID_STG_SIZE, SHCOLSTATE_TYPE_INT|SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 20},
60 {IDS_SHV_COLUMN3, &FMTID_Storage, PID_STG_STORAGETYPE,SHCOLSTATE_TYPE_INT|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 20},
61 {IDS_SHV_COLUMN4, &FMTID_Storage, PID_STG_WRITETIME, SHCOLSTATE_TYPE_DATE|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 20},
62 /* {"creation time", &FMTID_Storage, PID_STG_CREATETIME, SHCOLSTATE_TYPE_DATE, LVCFMT_LEFT, 20}, */
63 /* {"attribs", &FMTID_Storage, PID_STG_ATTRIBUTES, SHCOLSTATE_TYPE_STR, LVCFMT_LEFT, 20}, */
67 #define COLUMN_DELFROM 1
68 #define COLUMN_DATEDEL 2
71 #define COLUMN_MTIME 5
73 #define COLUMNS_COUNT 6
75 HRESULT FormatDateTime(LPWSTR buffer, int size, FILETIME ft)
81 FileTimeToLocalFileTime(&ft, &lft);
82 FileTimeToSystemTime(&lft, &time);
84 ret = GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &time, NULL, buffer, size);
85 if (ret>0 && ret<size)
87 /* Append space + time without seconds */
89 GetTimeFormatW(LOCALE_USER_DEFAULT, TIME_NOSECONDS, &time, NULL, &buffer[ret], size - ret);
92 return (ret!=0 ? E_FAIL : S_OK);
99 typedef struct tagRecycleBin
101 IShellFolder2Vtbl *lpVtbl;
102 IPersistFolder2Vtbl *lpPersistFolderVtbl;
108 static IShellFolder2Vtbl recycleBinVtbl;
109 static IPersistFolder2Vtbl recycleBinPersistVtbl;
111 static RecycleBin *impl_from_IPersistFolder(IPersistFolder2 *iface)
113 return (RecycleBin *)((char*)iface - FIELD_OFFSET(RecycleBin, lpPersistFolderVtbl));
116 void RecycleBin_Destructor(RecycleBin *This);
118 HRESULT WINAPI RecycleBin_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppOutput)
123 return CLASS_E_NOAGGREGATION;
125 obj = SHAlloc(sizeof(RecycleBin));
127 return E_OUTOFMEMORY;
128 ZeroMemory(obj, sizeof(RecycleBin));
129 obj->lpVtbl = &recycleBinVtbl;
130 obj->lpPersistFolderVtbl = &recycleBinPersistVtbl;
131 if (FAILED(ret = IUnknown_QueryInterface((IUnknown *)obj, riid, ppOutput)))
133 RecycleBin_Destructor(obj);
136 /* InterlockedIncrement(&objCount);*/
140 void RecycleBin_Destructor(RecycleBin *This)
142 /* InterlockedDecrement(&objCount);*/
147 static HRESULT WINAPI RecycleBin_QueryInterface(IShellFolder2 *iface, REFIID riid, void **ppvObject)
149 RecycleBin *This = (RecycleBin *)iface;
150 TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppvObject);
153 if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IShellFolder)
154 || IsEqualGUID(riid, &IID_IShellFolder2))
157 if (IsEqualGUID(riid, &IID_IPersist) || IsEqualGUID(riid, &IID_IPersistFolder)
158 || IsEqualGUID(riid, &IID_IPersistFolder2))
159 *ppvObject = &This->lpPersistFolderVtbl;
161 if (*ppvObject != NULL)
163 IUnknown_AddRef((IUnknown *)*ppvObject);
166 WARN("no interface %s\n", debugstr_guid(riid));
167 return E_NOINTERFACE;
170 static ULONG WINAPI RecycleBin_AddRef(IShellFolder2 *iface)
172 RecycleBin *This = (RecycleBin *)iface;
173 TRACE("(%p)\n", This);
174 return InterlockedIncrement(&This->refCount);
177 static ULONG WINAPI RecycleBin_Release(IShellFolder2 *iface)
179 RecycleBin *This = (RecycleBin *)iface;
182 TRACE("(%p)\n", This);
183 result = InterlockedDecrement(&This->refCount);
186 TRACE("Destroy object\n");
187 RecycleBin_Destructor(This);
192 static HRESULT WINAPI RecycleBin_ParseDisplayName(IShellFolder2 *This, HWND hwnd, LPBC pbc,
193 LPOLESTR pszDisplayName, ULONG *pchEaten, LPITEMIDLIST *ppidl,
194 ULONG *pdwAttributes)
200 static HRESULT WINAPI RecycleBin_EnumObjects(IShellFolder2 *iface, HWND hwnd, SHCONTF grfFlags, IEnumIDList **ppenumIDList)
202 RecycleBin *This = (RecycleBin *)iface;
209 TRACE("(%p, %p, %x, %p)\n", This, hwnd, (unsigned int)grfFlags, ppenumIDList);
211 if (grfFlags & SHCONTF_NONFOLDERS)
213 *ppenumIDList = NULL;
214 if (FAILED(ret = TRASH_EnumItems(&pidls, &pidls_count)))
217 list = IEnumIDList_Constructor();
220 for (i=0; i<pidls_count; i++)
221 if (!AddToEnumList(list, pidls[i]))
223 *ppenumIDList = list;
227 *ppenumIDList = IEnumIDList_Constructor();
228 if (*ppenumIDList == NULL)
229 return E_OUTOFMEMORY;
236 IEnumIDList_Release(list);
237 for (; i<pidls_count; i++)
240 return E_OUTOFMEMORY;
243 static HRESULT WINAPI RecycleBin_BindToObject(IShellFolder2 *This, LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppv)
245 FIXME("(%p, %p, %p, %s, %p) - stub\n", This, pidl, pbc, debugstr_guid(riid), ppv);
249 static HRESULT WINAPI RecycleBin_BindToStorage(IShellFolder2 *This, LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppv)
251 FIXME("(%p, %p, %p, %s, %p) - stub\n", This, pidl, pbc, debugstr_guid(riid), ppv);
255 static HRESULT WINAPI RecycleBin_CompareIDs(IShellFolder2 *iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
257 RecycleBin *This = (RecycleBin *)iface;
260 TRACE("(%p, %p, %p, %p)\n", This, (void *)lParam, pidl1, pidl2);
261 if (pidl1->mkid.cb != pidl2->mkid.cb)
262 return MAKE_HRESULT(SEVERITY_SUCCESS, 0, pidl1->mkid.cb - pidl2->mkid.cb);
263 return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (unsigned short)memcmp(pidl1->mkid.abID, pidl2->mkid.abID, pidl1->mkid.cb));
266 static HRESULT WINAPI RecycleBin_CreateViewObject(IShellFolder2 *iface, HWND hwndOwner, REFIID riid, void **ppv)
268 RecycleBin *This = (RecycleBin *)iface;
270 TRACE("(%p, %p, %s, %p)\n", This, hwndOwner, debugstr_guid(riid), ppv);
273 if (IsEqualGUID(riid, &IID_IShellView))
278 ZeroMemory(&sfv, sizeof(sfv));
279 sfv.cbSize = sizeof(sfv);
280 sfv.pshf = (IShellFolder *)This;
282 TRACE("Calling SHCreateShellFolderViewEx\n");
283 ret = SHCreateShellFolderViewEx(&sfv, &tmp);
284 TRACE("Result: %08x, output: %p\n", (unsigned int)ret, tmp);
289 return E_NOINTERFACE;
292 static HRESULT WINAPI RecycleBin_GetAttributesOf(IShellFolder2 *This, UINT cidl, LPCITEMIDLIST *apidl,
295 TRACE("(%p, %d, {%p, ...}, {%x})\n", This, cidl, apidl[0], (unsigned int)*rgfInOut);
296 *rgfInOut &= SFGAO_CANMOVE|SFGAO_CANDELETE|SFGAO_HASPROPSHEET|SFGAO_FILESYSTEM;
300 static HRESULT WINAPI RecycleBin_GetUIObjectOf(IShellFolder2 *This, HWND hwndOwner, UINT cidl, LPCITEMIDLIST *apidl,
301 REFIID riid, UINT *rgfReserved, void **ppv)
303 FIXME("(%p, %p, %d, {%p, ...}, %s, %p, %p): stub!\n", This, hwndOwner, cidl, apidl[0], debugstr_guid(riid), rgfReserved, ppv);
308 static HRESULT WINAPI RecycleBin_GetDisplayNameOf(IShellFolder2 *This, LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET *pName)
310 WIN32_FIND_DATAW data;
312 TRACE("(%p, %p, %x, %p)\n", This, pidl, (unsigned int)uFlags, pName);
313 TRASH_UnpackItemID(&pidl->mkid, NULL, &data);
314 pName->uType = STRRET_WSTR;
315 pName->pOleStr = StrDupW(PathFindFileNameW(data.cFileName));
316 if (pName->pOleStr == NULL)
317 return E_OUTOFMEMORY;
322 static HRESULT WINAPI RecycleBin_SetNameOf(IShellFolder2 *This, HWND hwnd, LPCITEMIDLIST pidl, LPCOLESTR pszName,
323 SHGDNF uFlags, LPITEMIDLIST *ppidlOut)
326 return E_FAIL; /* not supported */
329 static HRESULT WINAPI RecycleBin_GetClassID(IPersistFolder2 *This, CLSID *pClassID)
331 TRACE("(%p, %p)\n", This, pClassID);
332 if (This == NULL || pClassID == NULL)
334 memcpy(pClassID, &CLSID_RecycleBin, sizeof(CLSID));
338 static HRESULT WINAPI RecycleBin_Initialize(IPersistFolder2 *iface, LPCITEMIDLIST pidl)
340 RecycleBin *This = impl_from_IPersistFolder(iface);
341 TRACE("(%p, %p)\n", This, pidl);
343 This->pidl = ILClone(pidl);
344 if (This->pidl == NULL)
345 return E_OUTOFMEMORY;
349 static HRESULT WINAPI RecycleBin_GetCurFolder(IPersistFolder2 *iface, LPITEMIDLIST *ppidl)
351 RecycleBin *This = impl_from_IPersistFolder(iface);
353 *ppidl = ILClone(This->pidl);
357 static HRESULT WINAPI RecycleBin_GetDefaultSearchGUID(IShellFolder2 *iface, GUID *pguid)
363 static HRESULT WINAPI RecycleBin_EnumSearches(IShellFolder2 *iface, IEnumExtraSearch **ppEnum)
370 static HRESULT WINAPI RecycleBin_GetDefaultColumn(IShellFolder2 *iface, DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
372 RecycleBin *This = (RecycleBin *)iface;
373 TRACE("(%p, %x, %p, %p)\n", This, (unsigned int)dwReserved, pSort, pDisplay);
379 static HRESULT WINAPI RecycleBin_GetDefaultColumnState(IShellFolder2 *iface, UINT iColumn, SHCOLSTATEF *pcsFlags)
381 RecycleBin *This = (RecycleBin *)iface;
382 TRACE("(%p, %d, %p)\n", This, iColumn, pcsFlags);
383 if (iColumn < 0 || iColumn >= COLUMNS_COUNT)
385 *pcsFlags = RecycleBinColumns[iColumn].pcsFlags;
389 static HRESULT WINAPI RecycleBin_GetDetailsEx(IShellFolder2 *iface, LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
395 static HRESULT WINAPI RecycleBin_GetDetailsOf(IShellFolder2 *iface, LPCITEMIDLIST pidl, UINT iColumn, LPSHELLDETAILS pDetails)
397 RecycleBin *This = (RecycleBin *)iface;
398 WIN32_FIND_DATAW data;
399 WCHAR buffer[MAX_PATH];
401 TRACE("(%p, %p, %d, %p)\n", This, pidl, iColumn, pDetails);
402 if (iColumn < 0 || iColumn >= COLUMNS_COUNT)
404 pDetails->fmt = RecycleBinColumns[iColumn].fmt;
405 pDetails->cxChar = RecycleBinColumns[iColumn].cxChars;
408 pDetails->str.uType = STRRET_WSTR;
409 LoadStringW(shell32_hInstance, RecycleBinColumns[iColumn].column_name_id, buffer, MAX_PATH);
410 return SHStrDupW(buffer, &pDetails->str.pOleStr);
413 if (iColumn == COLUMN_NAME)
414 return RecycleBin_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL, &pDetails->str);
416 TRASH_UnpackItemID(&pidl->mkid, NULL, &data);
420 FormatDateTime(buffer, MAX_PATH, data.ftLastAccessTime);
423 lstrcpyW(buffer, data.cFileName);
424 PathRemoveFileSpecW(buffer);
427 StrFormatKBSizeW(((LONGLONG)data.nFileSizeHigh<<32)|data.nFileSizeLow, buffer, MAX_PATH);
430 FormatDateTime(buffer, MAX_PATH, data.ftLastWriteTime);
440 pDetails->str.uType = STRRET_WSTR;
441 pDetails->str.pOleStr = StrDupW(buffer);
442 return (pDetails->str.pOleStr != NULL ? S_OK : E_OUTOFMEMORY);
445 static HRESULT WINAPI RecycleBin_MapColumnToSCID(IShellFolder2 *iface, UINT iColumn, SHCOLUMNID *pscid)
447 RecycleBin *This = (RecycleBin *)iface;
448 TRACE("(%p, %d, %p)\n", This, iColumn, pscid);
449 if (iColumn<0 || iColumn>=COLUMNS_COUNT)
451 pscid->fmtid = *RecycleBinColumns[iColumn].fmtId;
452 pscid->pid = RecycleBinColumns[iColumn].pid;
456 static IShellFolder2Vtbl recycleBinVtbl =
459 RecycleBin_QueryInterface,
464 RecycleBin_ParseDisplayName,
465 RecycleBin_EnumObjects,
466 RecycleBin_BindToObject,
467 RecycleBin_BindToStorage,
468 RecycleBin_CompareIDs,
469 RecycleBin_CreateViewObject,
470 RecycleBin_GetAttributesOf,
471 RecycleBin_GetUIObjectOf,
472 RecycleBin_GetDisplayNameOf,
473 RecycleBin_SetNameOf,
476 RecycleBin_GetDefaultSearchGUID,
477 RecycleBin_EnumSearches,
478 RecycleBin_GetDefaultColumn,
479 RecycleBin_GetDefaultColumnState,
480 RecycleBin_GetDetailsEx,
481 RecycleBin_GetDetailsOf,
482 RecycleBin_MapColumnToSCID
485 static HRESULT WINAPI RecycleBin_IPersistFolder2_QueryInterface(IPersistFolder2 *This, REFIID riid, void **ppvObject)
487 return RecycleBin_QueryInterface((IShellFolder2 *)impl_from_IPersistFolder(This), riid, ppvObject);
490 static ULONG WINAPI RecycleBin_IPersistFolder2_AddRef(IPersistFolder2 *This)
492 return RecycleBin_AddRef((IShellFolder2 *)impl_from_IPersistFolder(This));
495 static ULONG WINAPI RecycleBin_IPersistFolder2_Release(IPersistFolder2 *This)
497 return RecycleBin_Release((IShellFolder2 *)impl_from_IPersistFolder(This));
500 static IPersistFolder2Vtbl recycleBinPersistVtbl =
503 RecycleBin_IPersistFolder2_QueryInterface,
504 RecycleBin_IPersistFolder2_AddRef,
505 RecycleBin_IPersistFolder2_Release,
508 RecycleBin_GetClassID,
510 RecycleBin_Initialize,
511 /* IPersistFolder2 */
512 RecycleBin_GetCurFolder