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shell32: Add trash items enumeration.

This commit is contained in:
Mikołaj Zalewski 2006-08-03 19:07:47 +02:00 committed by Alexandre Julliard
parent 289e469e7c
commit 76a20d38f3
1 changed files with 115 additions and 3 deletions
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118
dlls/shell32/trash.c
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@ -21,14 +21,17 @@
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "shlwapi.h"
#include "winternl.h"
#include <stdio.h>
#include <fcntl.h>
@ -377,9 +380,118 @@ void TRASH_DisposeElement(TRASH_ELEMENT *element)
SHFree(element->filename);
}
HRESULT TRASH_EnumItems(LPITEMIDLIST **pidls, int *count)
HRESULT TRASH_GetDetails(const TRASH_ELEMENT *element, WIN32_FIND_DATAW *data)
{
*count = 0;
*pidls = SHAlloc(0);
LPSTR path;
struct stat stats;
int suffix_length = lstrlenA(trashinfo_suffix);
int filename_length = lstrlenA(element->filename);
int path_length = lstrlenA(element->bucket->files_dir);
static const WCHAR fmt[] = {'T','O','D','O','\\','(','%','h','s',')',0};
path = SHAlloc(path_length + filename_length + 1);
if (path == NULL) return E_OUTOFMEMORY;
lstrcpyA(path, element->bucket->files_dir);
lstrcpyA(path+path_length, element->filename);
path[path_length + filename_length - suffix_length] = 0; /* remove the '.trashinfo' */
if (lstat(path, &stats) == -1)
{
ERR("Error accessing data file for trashinfo %s (errno=%d)\n", element->filename, errno);
return S_FALSE;
}
ZeroMemory(data, sizeof(*data));
data->nFileSizeHigh = (DWORD)((LONGLONG)stats.st_size>>32);
data->nFileSizeLow = stats.st_size & 0xffffffff;
RtlSecondsSince1970ToTime(stats.st_mtime, (LARGE_INTEGER *)&data->ftLastWriteTime);
wnsprintfW(data->cFileName, MAX_PATH, fmt, element->filename);
return S_OK;
}
INT CALLBACK free_item_callback(void *item, void *lParam)
{
SHFree(item);
return TRUE;
}
static HDPA enum_bucket_trashinfos(TRASH_BUCKET *bucket, int *count)
{
HDPA ret = DPA_Create(32);
struct dirent *entry;
DIR *dir = NULL;
errno = ENOMEM;
*count = 0;
if (ret == NULL) goto failed;
dir = opendir(bucket->info_dir);
if (dir == NULL) goto failed;
while ((entry = readdir(dir)) != NULL)
{
LPSTR filename;
int namelen = lstrlenA(entry->d_name);
int suffixlen = lstrlenA(trashinfo_suffix);
if (namelen <= suffixlen ||
lstrcmpA(entry->d_name+namelen-suffixlen, trashinfo_suffix) != 0)
continue;
filename = StrDupA(entry->d_name);
if (filename == NULL)
goto failed;
if (DPA_InsertPtr(ret, DPA_APPEND, filename) == -1)
{
SHFree(filename);
goto failed;
}
(*count)++;
}
closedir(dir);
return ret;
failed:
if (dir) closedir(dir);
if (ret)
DPA_DestroyCallback(ret, free_item_callback, NULL);
return NULL;
}
HRESULT TRASH_EnumItems(LPITEMIDLIST **pidls, int *count)
{
int ti_count;
int pos=0, i;
HRESULT err = E_OUTOFMEMORY;
HDPA tinfs;
if (!TRASH_EnsureInitialized()) return E_FAIL;
tinfs = enum_bucket_trashinfos(home_trash, &ti_count);
if (tinfs == NULL) return E_FAIL;
*pidls = SHAlloc(sizeof(LPITEMIDLIST)*ti_count);
if (!*pidls) goto failed;
for (i=0; i<ti_count; i++)
{
WIN32_FIND_DATAW data;
TRASH_ELEMENT elem;
elem.bucket = home_trash;
elem.filename = DPA_GetPtr(tinfs, i);
if (FAILED(err = TRASH_GetDetails(&elem, &data)))
goto failed;
if (err == S_FALSE)
continue;
if (FAILED(err = TRASH_CreateSimplePIDL(&elem, &data, &(*pidls)[pos])))
goto failed;
pos++;
}
*count = pos;
DPA_DestroyCallback(tinfs, free_item_callback, NULL);
return S_OK;
failed:
if (*pidls != NULL)
{
int j;
for (j=0; j<pos; j++)
SHFree((*pidls)[j]);
SHFree(*pidls);
}
DPA_DestroyCallback(tinfs, free_item_callback, NULL);
return err;
}