Mikołaj Zalewski : shell32: Add trash items enumeration.
Alexandre Julliard
julliard at wine.codeweavers.com
Wed Aug 9 06:03:32 CDT 2006
Module: wine
Branch: refs/heads/master
Commit: 76a20d38f36234c9b2d658050c8407b264dfae9e
URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=76a20d38f36234c9b2d658050c8407b264dfae9e
Author: Mikołaj Zalewski <mikolaj at zalewski.pl>
Date: Thu Aug 3 19:07:47 2006 +0200
shell32: Add trash items enumeration.
---
dlls/shell32/trash.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 114 insertions(+), 2 deletions(-)
diff --git a/dlls/shell32/trash.c b/dlls/shell32/trash.c
index d5d7fc3..c7e4bb8 100644
--- a/dlls/shell32/trash.c
+++ b/dlls/shell32/trash.c
@@ -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
SHFree(element->filename);
}
-HRESULT TRASH_EnumItems(LPITEMIDLIST **pidls, int *count)
+HRESULT TRASH_GetDetails(const TRASH_ELEMENT *element, WIN32_FIND_DATAW *data)
{
+ 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;
- *pidls = SHAlloc(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;
}
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