wine/dlls/shell32/recyclebin.c
Francois Gouget fc93ff351e shell32: Get rid of TRASH_ELEMENT and TRASH_DisposeElement().
The latter was unused while the former did not seem very useful.
2009-02-09 13:15:04 +01:00

525 lines
16 KiB
C

/*
* Trash virtual folder support. The trashing engine is implemented in trash.c
*
* Copyright (C) 2006 Mikolaj Zalewski
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#define COBJMACROS
#define NONAMELESSUNION
#include <stdarg.h>
#include "winerror.h"
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winuser.h"
#include "ntquery.h"
#include "shlwapi.h"
#include "shlobj.h"
#include "shresdef.h"
#include "wine/debug.h"
#include "shell32_main.h"
#include "enumidlist.h"
#include "xdg.h"
WINE_DEFAULT_DEBUG_CHANNEL(recyclebin);
typedef struct
{
int column_name_id;
const GUID *fmtId;
DWORD pid;
int pcsFlags;
int fmt;
int cxChars;
} columninfo;
static const columninfo RecycleBinColumns[] =
{
{IDS_SHV_COLUMN1, &FMTID_Storage, PID_STG_NAME, SHCOLSTATE_TYPE_STR|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 30},
{IDS_SHV_COLUMN_DELFROM, &FMTID_Displaced, PID_DISPLACED_FROM, SHCOLSTATE_TYPE_STR|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 30},
{IDS_SHV_COLUMN_DELDATE, &FMTID_Displaced, PID_DISPLACED_DATE, SHCOLSTATE_TYPE_DATE|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 20},
{IDS_SHV_COLUMN2, &FMTID_Storage, PID_STG_SIZE, SHCOLSTATE_TYPE_INT|SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 20},
{IDS_SHV_COLUMN3, &FMTID_Storage, PID_STG_STORAGETYPE,SHCOLSTATE_TYPE_INT|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 20},
{IDS_SHV_COLUMN4, &FMTID_Storage, PID_STG_WRITETIME, SHCOLSTATE_TYPE_DATE|SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 20},
/* {"creation time", &FMTID_Storage, PID_STG_CREATETIME, SHCOLSTATE_TYPE_DATE, LVCFMT_LEFT, 20}, */
/* {"attribs", &FMTID_Storage, PID_STG_ATTRIBUTES, SHCOLSTATE_TYPE_STR, LVCFMT_LEFT, 20}, */
};
#define COLUMN_NAME 0
#define COLUMN_DELFROM 1
#define COLUMN_DATEDEL 2
#define COLUMN_SIZE 3
#define COLUMN_TYPE 4
#define COLUMN_MTIME 5
#define COLUMNS_COUNT 6
static HRESULT FormatDateTime(LPWSTR buffer, int size, FILETIME ft)
{
FILETIME lft;
SYSTEMTIME time;
int ret;
FileTimeToLocalFileTime(&ft, &lft);
FileTimeToSystemTime(&lft, &time);
ret = GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &time, NULL, buffer, size);
if (ret>0 && ret<size)
{
/* Append space + time without seconds */
buffer[ret-1] = ' ';
GetTimeFormatW(LOCALE_USER_DEFAULT, TIME_NOSECONDS, &time, NULL, &buffer[ret], size - ret);
}
return (ret!=0 ? E_FAIL : S_OK);
}
/*
* Recycle Bin folder
*/
typedef struct tagRecycleBin
{
const IShellFolder2Vtbl *lpVtbl;
const IPersistFolder2Vtbl *lpPersistFolderVtbl;
LONG refCount;
LPITEMIDLIST pidl;
} RecycleBin;
static const IShellFolder2Vtbl recycleBinVtbl;
static const IPersistFolder2Vtbl recycleBinPersistVtbl;
static RecycleBin *impl_from_IPersistFolder(IPersistFolder2 *iface)
{
return (RecycleBin *)((char *)iface - FIELD_OFFSET(RecycleBin, lpPersistFolderVtbl));
}
static void RecycleBin_Destructor(RecycleBin *This);
HRESULT WINAPI RecycleBin_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppOutput)
{
RecycleBin *obj;
HRESULT ret;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
obj = SHAlloc(sizeof(RecycleBin));
if (obj == NULL)
return E_OUTOFMEMORY;
ZeroMemory(obj, sizeof(RecycleBin));
obj->lpVtbl = &recycleBinVtbl;
obj->lpPersistFolderVtbl = &recycleBinPersistVtbl;
if (FAILED(ret = IUnknown_QueryInterface((IUnknown *)obj, riid, ppOutput)))
{
RecycleBin_Destructor(obj);
return ret;
}
/* InterlockedIncrement(&objCount);*/
return S_OK;
}
static void RecycleBin_Destructor(RecycleBin *This)
{
/* InterlockedDecrement(&objCount);*/
SHFree(This->pidl);
SHFree(This);
}
static HRESULT WINAPI RecycleBin_QueryInterface(IShellFolder2 *iface, REFIID riid, void **ppvObject)
{
RecycleBin *This = (RecycleBin *)iface;
TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppvObject);
*ppvObject = NULL;
if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IShellFolder)
|| IsEqualGUID(riid, &IID_IShellFolder2))
*ppvObject = This;
if (IsEqualGUID(riid, &IID_IPersist) || IsEqualGUID(riid, &IID_IPersistFolder)
|| IsEqualGUID(riid, &IID_IPersistFolder2))
*ppvObject = &This->lpPersistFolderVtbl;
if (*ppvObject != NULL)
{
IUnknown_AddRef((IUnknown *)*ppvObject);
return S_OK;
}
WARN("no interface %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI RecycleBin_AddRef(IShellFolder2 *iface)
{
RecycleBin *This = (RecycleBin *)iface;
TRACE("(%p)\n", This);
return InterlockedIncrement(&This->refCount);
}
static ULONG WINAPI RecycleBin_Release(IShellFolder2 *iface)
{
RecycleBin *This = (RecycleBin *)iface;
LONG result;
TRACE("(%p)\n", This);
result = InterlockedDecrement(&This->refCount);
if (result == 0)
{
TRACE("Destroy object\n");
RecycleBin_Destructor(This);
}
return result;
}
static HRESULT WINAPI RecycleBin_ParseDisplayName(IShellFolder2 *This, HWND hwnd, LPBC pbc,
LPOLESTR pszDisplayName, ULONG *pchEaten, LPITEMIDLIST *ppidl,
ULONG *pdwAttributes)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_EnumObjects(IShellFolder2 *iface, HWND hwnd, SHCONTF grfFlags, IEnumIDList **ppenumIDList)
{
RecycleBin *This = (RecycleBin *)iface;
IEnumIDList *list;
LPITEMIDLIST *pidls;
HRESULT ret;
int pidls_count;
int i=0;
TRACE("(%p, %p, %x, %p)\n", This, hwnd, grfFlags, ppenumIDList);
if (grfFlags & SHCONTF_NONFOLDERS)
{
*ppenumIDList = NULL;
if (FAILED(ret = TRASH_EnumItems(&pidls, &pidls_count)))
return ret;
list = IEnumIDList_Constructor();
if (list == NULL)
goto failed;
for (i=0; i<pidls_count; i++)
if (!AddToEnumList(list, pidls[i]))
goto failed;
*ppenumIDList = list;
}
else
{
*ppenumIDList = IEnumIDList_Constructor();
if (*ppenumIDList == NULL)
return E_OUTOFMEMORY;
}
return S_OK;
failed:
if (list)
IEnumIDList_Release(list);
for (; i<pidls_count; i++)
ILFree(pidls[i]);
SHFree(pidls);
return E_OUTOFMEMORY;
}
static HRESULT WINAPI RecycleBin_BindToObject(IShellFolder2 *This, LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppv)
{
FIXME("(%p, %p, %p, %s, %p) - stub\n", This, pidl, pbc, debugstr_guid(riid), ppv);
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_BindToStorage(IShellFolder2 *This, LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppv)
{
FIXME("(%p, %p, %p, %s, %p) - stub\n", This, pidl, pbc, debugstr_guid(riid), ppv);
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_CompareIDs(IShellFolder2 *iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
{
RecycleBin *This = (RecycleBin *)iface;
/* TODO */
TRACE("(%p, %p, %p, %p)\n", This, (void *)lParam, pidl1, pidl2);
if (pidl1->mkid.cb != pidl2->mkid.cb)
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, pidl1->mkid.cb - pidl2->mkid.cb);
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (unsigned short)memcmp(pidl1->mkid.abID, pidl2->mkid.abID, pidl1->mkid.cb));
}
static HRESULT WINAPI RecycleBin_CreateViewObject(IShellFolder2 *iface, HWND hwndOwner, REFIID riid, void **ppv)
{
RecycleBin *This = (RecycleBin *)iface;
HRESULT ret;
TRACE("(%p, %p, %s, %p)\n", This, hwndOwner, debugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualGUID(riid, &IID_IShellView))
{
IShellView *tmp;
CSFV sfv;
ZeroMemory(&sfv, sizeof(sfv));
sfv.cbSize = sizeof(sfv);
sfv.pshf = (IShellFolder *)This;
TRACE("Calling SHCreateShellFolderViewEx\n");
ret = SHCreateShellFolderViewEx(&sfv, &tmp);
TRACE("Result: %08x, output: %p\n", (unsigned int)ret, tmp);
*ppv = tmp;
return ret;
}
return E_NOINTERFACE;
}
static HRESULT WINAPI RecycleBin_GetAttributesOf(IShellFolder2 *This, UINT cidl, LPCITEMIDLIST *apidl,
SFGAOF *rgfInOut)
{
TRACE("(%p, %d, {%p, ...}, {%x})\n", This, cidl, apidl[0], *rgfInOut);
*rgfInOut &= SFGAO_CANMOVE|SFGAO_CANDELETE|SFGAO_HASPROPSHEET|SFGAO_FILESYSTEM;
return S_OK;
}
static HRESULT WINAPI RecycleBin_GetUIObjectOf(IShellFolder2 *This, HWND hwndOwner, UINT cidl, LPCITEMIDLIST *apidl,
REFIID riid, UINT *rgfReserved, void **ppv)
{
FIXME("(%p, %p, %d, {%p, ...}, %s, %p, %p): stub!\n", This, hwndOwner, cidl, apidl[0], debugstr_guid(riid), rgfReserved, ppv);
*ppv = NULL;
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_GetDisplayNameOf(IShellFolder2 *This, LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET *pName)
{
WIN32_FIND_DATAW data;
TRACE("(%p, %p, %x, %p)\n", This, pidl, uFlags, pName);
TRASH_UnpackItemID(&pidl->mkid, &data);
pName->uType = STRRET_WSTR;
pName->u.pOleStr = StrDupW(PathFindFileNameW(data.cFileName));
if (pName->u.pOleStr == NULL)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT WINAPI RecycleBin_SetNameOf(IShellFolder2 *This, HWND hwnd, LPCITEMIDLIST pidl, LPCOLESTR pszName,
SHGDNF uFlags, LPITEMIDLIST *ppidlOut)
{
TRACE("\n");
return E_FAIL; /* not supported */
}
static HRESULT WINAPI RecycleBin_GetClassID(IPersistFolder2 *This, CLSID *pClassID)
{
TRACE("(%p, %p)\n", This, pClassID);
if (This == NULL || pClassID == NULL)
return E_INVALIDARG;
*pClassID = CLSID_RecycleBin;
return S_OK;
}
static HRESULT WINAPI RecycleBin_Initialize(IPersistFolder2 *iface, LPCITEMIDLIST pidl)
{
RecycleBin *This = impl_from_IPersistFolder(iface);
TRACE("(%p, %p)\n", This, pidl);
This->pidl = ILClone(pidl);
if (This->pidl == NULL)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT WINAPI RecycleBin_GetCurFolder(IPersistFolder2 *iface, LPITEMIDLIST *ppidl)
{
RecycleBin *This = impl_from_IPersistFolder(iface);
TRACE("\n");
*ppidl = ILClone(This->pidl);
return S_OK;
}
static HRESULT WINAPI RecycleBin_GetDefaultSearchGUID(IShellFolder2 *iface, GUID *pguid)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_EnumSearches(IShellFolder2 *iface, IEnumExtraSearch **ppEnum)
{
FIXME("stub\n");
*ppEnum = NULL;
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_GetDefaultColumn(IShellFolder2 *iface, DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
{
RecycleBin *This = (RecycleBin *)iface;
TRACE("(%p, %x, %p, %p)\n", This, dwReserved, pSort, pDisplay);
*pSort = 0;
*pDisplay = 0;
return S_OK;
}
static HRESULT WINAPI RecycleBin_GetDefaultColumnState(IShellFolder2 *iface, UINT iColumn, SHCOLSTATEF *pcsFlags)
{
RecycleBin *This = (RecycleBin *)iface;
TRACE("(%p, %d, %p)\n", This, iColumn, pcsFlags);
if (iColumn >= COLUMNS_COUNT)
return E_INVALIDARG;
*pcsFlags = RecycleBinColumns[iColumn].pcsFlags;
return S_OK;
}
static HRESULT WINAPI RecycleBin_GetDetailsEx(IShellFolder2 *iface, LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI RecycleBin_GetDetailsOf(IShellFolder2 *iface, LPCITEMIDLIST pidl, UINT iColumn, LPSHELLDETAILS pDetails)
{
RecycleBin *This = (RecycleBin *)iface;
WIN32_FIND_DATAW data;
WCHAR buffer[MAX_PATH];
TRACE("(%p, %p, %d, %p)\n", This, pidl, iColumn, pDetails);
if (iColumn >= COLUMNS_COUNT)
return E_FAIL;
pDetails->fmt = RecycleBinColumns[iColumn].fmt;
pDetails->cxChar = RecycleBinColumns[iColumn].cxChars;
if (pidl == NULL)
{
pDetails->str.uType = STRRET_WSTR;
LoadStringW(shell32_hInstance, RecycleBinColumns[iColumn].column_name_id, buffer, MAX_PATH);
return SHStrDupW(buffer, &pDetails->str.u.pOleStr);
}
if (iColumn == COLUMN_NAME)
return RecycleBin_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL, &pDetails->str);
TRASH_UnpackItemID(&pidl->mkid, &data);
switch (iColumn)
{
case COLUMN_DATEDEL:
FormatDateTime(buffer, MAX_PATH, data.ftLastAccessTime);
break;
case COLUMN_DELFROM:
lstrcpyW(buffer, data.cFileName);
PathRemoveFileSpecW(buffer);
break;
case COLUMN_SIZE:
StrFormatKBSizeW(((LONGLONG)data.nFileSizeHigh<<32)|data.nFileSizeLow, buffer, MAX_PATH);
break;
case COLUMN_MTIME:
FormatDateTime(buffer, MAX_PATH, data.ftLastWriteTime);
break;
case COLUMN_TYPE:
/* TODO */
buffer[0] = 0;
break;
default:
return E_FAIL;
}
pDetails->str.uType = STRRET_WSTR;
return SHStrDupW(buffer, &pDetails->str.u.pOleStr);
}
static HRESULT WINAPI RecycleBin_MapColumnToSCID(IShellFolder2 *iface, UINT iColumn, SHCOLUMNID *pscid)
{
RecycleBin *This = (RecycleBin *)iface;
TRACE("(%p, %d, %p)\n", This, iColumn, pscid);
if (iColumn>=COLUMNS_COUNT)
return E_INVALIDARG;
pscid->fmtid = *RecycleBinColumns[iColumn].fmtId;
pscid->pid = RecycleBinColumns[iColumn].pid;
return S_OK;
}
static const IShellFolder2Vtbl recycleBinVtbl =
{
/* IUnknown */
RecycleBin_QueryInterface,
RecycleBin_AddRef,
RecycleBin_Release,
/* IShellFolder */
RecycleBin_ParseDisplayName,
RecycleBin_EnumObjects,
RecycleBin_BindToObject,
RecycleBin_BindToStorage,
RecycleBin_CompareIDs,
RecycleBin_CreateViewObject,
RecycleBin_GetAttributesOf,
RecycleBin_GetUIObjectOf,
RecycleBin_GetDisplayNameOf,
RecycleBin_SetNameOf,
/* IShellFolder2 */
RecycleBin_GetDefaultSearchGUID,
RecycleBin_EnumSearches,
RecycleBin_GetDefaultColumn,
RecycleBin_GetDefaultColumnState,
RecycleBin_GetDetailsEx,
RecycleBin_GetDetailsOf,
RecycleBin_MapColumnToSCID
};
static HRESULT WINAPI RecycleBin_IPersistFolder2_QueryInterface(IPersistFolder2 *This, REFIID riid, void **ppvObject)
{
return RecycleBin_QueryInterface((IShellFolder2 *)impl_from_IPersistFolder(This), riid, ppvObject);
}
static ULONG WINAPI RecycleBin_IPersistFolder2_AddRef(IPersistFolder2 *This)
{
return RecycleBin_AddRef((IShellFolder2 *)impl_from_IPersistFolder(This));
}
static ULONG WINAPI RecycleBin_IPersistFolder2_Release(IPersistFolder2 *This)
{
return RecycleBin_Release((IShellFolder2 *)impl_from_IPersistFolder(This));
}
static const IPersistFolder2Vtbl recycleBinPersistVtbl =
{
/* IUnknown */
RecycleBin_IPersistFolder2_QueryInterface,
RecycleBin_IPersistFolder2_AddRef,
RecycleBin_IPersistFolder2_Release,
/* IPersist */
RecycleBin_GetClassID,
/* IPersistFolder */
RecycleBin_Initialize,
/* IPersistFolder2 */
RecycleBin_GetCurFolder
};
/*************************************************************************
* SHUpdateRecycleBinIcon [SHELL32.@]
*
* Undocumented
*/
HRESULT WINAPI SHUpdateRecycleBinIcon(void)
{
FIXME("stub\n");
return S_OK;
}