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shell32: Add a helper to retrieve trash item data without copying it. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-09-16 17:14:58 +02:00
parent d603b22a0c
commit 0cdb12ae37
1 changed files with 25 additions and 21 deletions
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46
dlls/shell32/recyclebin.c
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@ -68,6 +68,13 @@ static const shvheader RecycleBinColumns[] =
#define COLUMNS_COUNT 6
static const WIN32_FIND_DATAW *get_trash_item_data( LPCITEMIDLIST id )
{
if (id->mkid.cb < 2 + 1 + sizeof(WIN32_FIND_DATAW) + 2) return NULL;
if (id->mkid.abID[0] != 0) return NULL;
return (const WIN32_FIND_DATAW *)(id->mkid.abID + 1);
}
static HRESULT FormatDateTime(LPWSTR buffer, int size, FILETIME ft)
{
FILETIME lft;
@ -183,11 +190,11 @@ static void DoRestore(RecycleBinMenu *This)
UINT i;
for(i=0;i<This->cidl;i++)
{
WIN32_FIND_DATAW data;
TRASH_UnpackItemID(&((This->apidl[i])->mkid),&data);
if(PathFileExistsW(data.cFileName))
const WIN32_FIND_DATAW *data = get_trash_item_data( This->apidl[i] );
if(PathFileExistsW(data->cFileName))
{
PIDLIST_ABSOLUTE dest_pidl = ILCreateFromPathW(data.cFileName);
PIDLIST_ABSOLUTE dest_pidl = ILCreateFromPathW(data->cFileName);
WCHAR message[100];
WCHAR caption[50];
if(_ILIsFolder(ILFindLastID(dest_pidl)))
@ -198,14 +205,14 @@ static void DoRestore(RecycleBinMenu *This)
if(ShellMessageBoxW(shell32_hInstance,GetActiveWindow(),message,
caption,MB_YESNO|MB_ICONEXCLAMATION,
data.cFileName)!=IDYES)
data->cFileName)!=IDYES)
continue;
}
if(SUCCEEDED(TRASH_RestoreItem(This->apidl[i])))
{
IPersistFolder2 *persist;
LPITEMIDLIST root_pidl;
PIDLIST_ABSOLUTE dest_pidl = ILCreateFromPathW(data.cFileName);
PIDLIST_ABSOLUTE dest_pidl = ILCreateFromPathW(data->cFileName);
BOOL is_folder = _ILIsFolder(ILFindLastID(dest_pidl));
IShellFolder2_QueryInterface(This->folder,&IID_IPersistFolder2,
(void**)&persist);
@ -513,12 +520,11 @@ static HRESULT WINAPI RecycleBin_GetUIObjectOf(IShellFolder2 *iface, HWND hwndOw
static HRESULT WINAPI RecycleBin_GetDisplayNameOf(IShellFolder2 *This, LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET *pName)
{
WIN32_FIND_DATAW data;
const WIN32_FIND_DATAW *data = get_trash_item_data( pidl );
TRACE("(%p, %p, %x, %p)\n", This, pidl, uFlags, pName);
TRASH_UnpackItemID(&pidl->mkid, &data);
pName->uType = STRRET_WSTR;
return SHStrDupW(PathFindFileNameW(data.cFileName), &pName->u.pOleStr);
return SHStrDupW(PathFindFileNameW(data->cFileName), &pName->u.pOleStr);
}
static HRESULT WINAPI RecycleBin_SetNameOf(IShellFolder2 *This, HWND hwnd, LPCITEMIDLIST pidl, LPCOLESTR pszName,
@ -598,7 +604,7 @@ static HRESULT WINAPI RecycleBin_GetDetailsEx(IShellFolder2 *iface, LPCITEMIDLIS
static HRESULT WINAPI RecycleBin_GetDetailsOf(IShellFolder2 *iface, LPCITEMIDLIST pidl, UINT iColumn, LPSHELLDETAILS pDetails)
{
RecycleBin *This = impl_from_IShellFolder2(iface);
WIN32_FIND_DATAW data;
const WIN32_FIND_DATAW *data;
WCHAR buffer[MAX_PATH];
TRACE("(%p, %p, %d, %p)\n", This, pidl, iColumn, pDetails);
@ -610,21 +616,21 @@ static HRESULT WINAPI RecycleBin_GetDetailsOf(IShellFolder2 *iface, LPCITEMIDLIS
if (iColumn == COLUMN_NAME)
return RecycleBin_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL, &pDetails->str);
TRASH_UnpackItemID(&pidl->mkid, &data);
data = get_trash_item_data( pidl );
switch (iColumn)
{
case COLUMN_DATEDEL:
FormatDateTime(buffer, MAX_PATH, data.ftLastAccessTime);
FormatDateTime(buffer, MAX_PATH, data->ftLastAccessTime);
break;
case COLUMN_DELFROM:
lstrcpyW(buffer, data.cFileName);
lstrcpyW(buffer, data->cFileName);
PathRemoveFileSpecW(buffer);
break;
case COLUMN_SIZE:
StrFormatKBSizeW(((LONGLONG)data.nFileSizeHigh<<32)|data.nFileSizeLow, buffer, MAX_PATH);
StrFormatKBSizeW(((LONGLONG)data->nFileSizeHigh<<32)|data->nFileSizeLow, buffer, MAX_PATH);
break;
case COLUMN_MTIME:
FormatDateTime(buffer, MAX_PATH, data.ftLastWriteTime);
FormatDateTime(buffer, MAX_PATH, data->ftLastWriteTime);
break;
case COLUMN_TYPE:
/* TODO */
@ -767,9 +773,8 @@ static HRESULT erase_items(HWND parent,const LPCITEMIDLIST * apidl, UINT cidl, B
return S_OK;
case 1:
{
WIN32_FIND_DATAW data;
TRASH_UnpackItemID(&((*apidl)->mkid),&data);
lstrcpynW(arg,data.cFileName,MAX_PATH);
const WIN32_FIND_DATAW *data = get_trash_item_data( apidl[0] );
lstrcpynW(arg,data->cFileName,MAX_PATH);
LoadStringW(shell32_hInstance, IDS_RECYCLEBIN_ERASEITEM, message, ARRAY_SIZE(message));
break;
}
@ -847,9 +852,8 @@ HRESULT WINAPI SHQueryRecycleBinW(LPCWSTR pszRootPath, LPSHQUERYRBINFO pSHQueryR
pSHQueryRBInfo->i64Size = 0;
for (; i<cidl; i++)
{
WIN32_FIND_DATAW data;
TRASH_UnpackItemID(&((apidl[i])->mkid),&data);
pSHQueryRBInfo->i64Size += ((DWORDLONG)data.nFileSizeHigh << 32) + data.nFileSizeLow;
const WIN32_FIND_DATAW *data = get_trash_item_data( apidl[i] );
pSHQueryRBInfo->i64Size += ((DWORDLONG)data->nFileSizeHigh << 32) + data->nFileSizeLow;
ILFree(apidl[i]);
}
SHFree(apidl);