#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
+#include <time.h>
#define BOOKMARKS_FILENAME ".gtk-bookmarks"
#define BOOKMARKS_TMP_FILENAME ".gtk-bookmarks-XXXXXX"
+#define FOLDER_CACHE_LIFETIME 2 /* seconds */
+
typedef struct _GtkFileSystemUnixClass GtkFileSystemUnixClass;
#define GTK_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
/* Icon type, supplemented by MIME type
*/
typedef enum {
+ ICON_UNDECIDED,
ICON_NONE,
ICON_REGULAR, /* Use mime type for icon */
ICON_BLOCK_DEVICE,
GtkFileSystemUnix *system_unix;
GtkFileInfoType types;
gchar *filename;
+ GHashTable *stat_info;
+ unsigned int have_stat : 1;
+ unsigned int have_mime_type : 1;
+ time_t asof;
+};
+
+struct stat_info_entry {
+ struct stat statbuf;
+ char *mime_type;
+ IconType icon_type;
};
+static const GtkFileInfoType STAT_NEEDED_MASK = (GTK_FILE_INFO_IS_FOLDER |
+ GTK_FILE_INFO_IS_HIDDEN |
+ GTK_FILE_INFO_MODIFICATION_TIME |
+ GTK_FILE_INFO_SIZE);
+
static GObjectClass *system_parent_class;
static GObjectClass *folder_parent_class;
static GtkFilePath *filename_to_path (const gchar *filename);
static gboolean filename_is_root (const char *filename);
-static GtkFileInfo *filename_get_info (const gchar *filename,
- GtkFileInfoType types,
- GError **error);
+
+static gboolean fill_in_names (GtkFileFolderUnix *folder_unix, GError **error);
+static gboolean fill_in_stats (GtkFileFolderUnix *folder_unix, GError **error);
+static gboolean fill_in_mime_type (GtkFileFolderUnix *folder_unix, GError **error);
+
static char * get_parent_dir (const char *filename);
/*
GtkFileFolderUnix *folder_unix;
const char *filename;
char *filename_copy;
+ time_t now = time (NULL);
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
if (folder_unix)
{
g_free (filename_copy);
+ if (now - folder_unix->asof >= FOLDER_CACHE_LIFETIME &&
+ folder_unix->stat_info)
+ {
+ g_print ("Cleaning out cached directory %s\n", filename);
+ g_hash_table_destroy (folder_unix->stat_info);
+ folder_unix->stat_info = NULL;
+ folder_unix->have_mime_type = FALSE;
+ folder_unix->have_stat = FALSE;
+ }
+
+ g_object_ref (folder_unix);
folder_unix->types |= types;
- return g_object_ref (folder_unix);
+ types = folder_unix->types;
}
else
{
{
int save_errno = errno;
gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
- g_set_error (error,
- GTK_FILE_SYSTEM_ERROR,
- GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
- _("error getting information for '%s': %s"),
- filename_utf8 ? filename_utf8 : "???",
- g_strerror (save_errno));
+
+ /* If g_file_test() returned FALSE but not due to an error, it means
+ * that the filename is not a directory.
+ */
+ if (save_errno == 0)
+ /* ENOTDIR */
+ g_set_error (error,
+ GTK_FILE_SYSTEM_ERROR,
+ GTK_FILE_SYSTEM_ERROR_NOT_FOLDER,
+ _("%s: %s"),
+ filename_utf8 ? filename_utf8 : "???",
+ g_strerror (ENOTDIR));
+ else
+ g_set_error (error,
+ GTK_FILE_SYSTEM_ERROR,
+ GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
+ _("error getting information for '%s': %s"),
+ filename_utf8 ? filename_utf8 : "???",
+ g_strerror (save_errno));
+
g_free (filename_utf8);
g_free (filename_copy);
return NULL;
folder_unix->system_unix = system_unix;
folder_unix->filename = filename_copy;
folder_unix->types = types;
+ folder_unix->stat_info = NULL;
+ folder_unix->asof = now;
+ folder_unix->have_mime_type = FALSE;
+ folder_unix->have_stat = FALSE;
+
+ g_hash_table_insert (system_unix->folder_hash,
+ folder_unix->filename,
+ folder_unix);
+ }
- g_hash_table_insert (system_unix->folder_hash, folder_unix->filename, folder_unix);
-
- return GTK_FILE_FOLDER (folder_unix);
+ if ((types & STAT_NEEDED_MASK) && !fill_in_stats (folder_unix, error))
+ {
+ g_object_unref (folder_unix);
+ return NULL;
}
+ if ((types & GTK_FILE_INFO_MIME_TYPE) && !fill_in_mime_type (folder_unix, error))
+ {
+ g_object_unref (folder_unix);
+ return NULL;
+ }
+
+ return GTK_FILE_FOLDER (folder_unix);
}
static gboolean
return g_strdup (_("Filesystem")); /* Same as Nautilus */
}
+static IconType
+get_icon_type_from_stat (struct stat *statp)
+{
+ if (S_ISBLK (statp->st_mode))
+ return ICON_BLOCK_DEVICE;
+ else if (S_ISLNK (statp->st_mode))
+ return ICON_BROKEN_SYMBOLIC_LINK; /* See get_icon_type */
+ else if (S_ISCHR (statp->st_mode))
+ return ICON_CHARACTER_DEVICE;
+ else if (S_ISDIR (statp->st_mode))
+ return ICON_DIRECTORY;
+ else if (S_ISFIFO (statp->st_mode))
+ return ICON_FIFO;
+ else if (S_ISSOCK (statp->st_mode))
+ return ICON_SOCKET;
+ else
+ return ICON_REGULAR;
+}
+
static IconType
get_icon_type (const char *filename,
GError **error)
{
struct stat statbuf;
- IconType icon_type;
/* If stat fails, try to fall back to lstat to catch broken links
*/
}
}
- if (S_ISBLK (statbuf.st_mode))
- icon_type = ICON_BLOCK_DEVICE;
- else if (S_ISLNK (statbuf.st_mode))
- icon_type = ICON_BROKEN_SYMBOLIC_LINK; /* See above */
- else if (S_ISCHR (statbuf.st_mode))
- icon_type = ICON_CHARACTER_DEVICE;
- else if (S_ISDIR (statbuf.st_mode))
- icon_type = ICON_DIRECTORY;
- else if (S_ISFIFO (statbuf.st_mode))
- icon_type = ICON_FIFO;
- else if (S_ISSOCK (statbuf.st_mode))
- icon_type = ICON_SOCKET;
- else
- {
- icon_type = ICON_REGULAR;
-
-#if 0
- if ((types & GTK_FILE_INFO_ICON) && icon_type == GTK_FILE_ICON_REGULAR &&
- (statbuf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) &&
- (strcmp (mime_type, XDG_MIME_TYPE_UNKNOWN) == 0 ||
- strcmp (mime_type, "application/x-executable") == 0 ||
- strcmp (mime_type, "application/x-shellscript") == 0))
- gtk_file_info_set_icon_type (info, GTK_FILE_ICON_EXECUTABLE);
-#endif
- }
-
- return icon_type;
+ return get_icon_type_from_stat (&statbuf);
}
typedef struct
{
const char *filename;
IconType icon_type;
- const char *mime_type;
+ const char *mime_type = NULL;
+ char *dirname;
+ GtkFileSystemUnix *system_unix;
+ GtkFileFolderUnix *folder_unix;
+ system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
filename = gtk_file_path_get_string (path);
- icon_type = get_icon_type (filename, error);
+ dirname = g_path_get_dirname (filename);
+ folder_unix = g_hash_table_lookup (system_unix->folder_hash, dirname);
+ g_free (dirname);
+
+ if (folder_unix)
+ {
+ char *basename;
+ struct stat_info_entry *entry;
+
+ if (!fill_in_stats (folder_unix, error))
+ return NULL;
+
+ basename = g_path_get_basename (filename);
+ entry = g_hash_table_lookup (folder_unix->stat_info, basename);
+ g_free (basename);
+ if (entry)
+ {
+ if (entry->icon_type == ICON_UNDECIDED)
+ entry->icon_type = get_icon_type_from_stat (&entry->statbuf);
+ icon_type = entry->icon_type;
+ if (icon_type == ICON_REGULAR)
+ {
+ (void)fill_in_mime_type (folder_unix, NULL);
+ mime_type = entry->mime_type;
+ }
+ }
+ else
+ icon_type = ICON_NONE;
+ }
+ else
+ {
+ g_print ("No folder open for %s\n", filename);
+
+ icon_type = get_icon_type (filename, error);
+ if (icon_type == ICON_REGULAR)
+ mime_type = xdg_mime_get_mime_type_for_file (filename);
+ }
+
/* FIXME: this function should not return NULL without setting the GError; we
* should perhaps provide a "never fails" generic stock icon for when all else
return get_cached_icon (widget, name, pixel_size);
}
- mime_type = xdg_mime_get_mime_type_for_file (filename);
if (mime_type)
{
const char *separator;
g_hash_table_remove (folder_unix->system_unix->folder_hash, folder_unix->filename);
+ if (folder_unix->stat_info)
+ {
+ g_print ("Releasing information for directory %s\n", folder_unix->filename);
+ g_hash_table_destroy (folder_unix->stat_info);
+ }
+
g_free (folder_unix->filename);
folder_parent_class->finalize (object);
}
static GtkFileInfo *
-gtk_file_folder_unix_get_info (GtkFileFolder *folder,
- const GtkFilePath *path,
- GError **error)
+gtk_file_folder_unix_get_info (GtkFileFolder *folder,
+ const GtkFilePath *path,
+ GError **error)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
GtkFileInfo *info;
- gchar *dirname;
+ gchar *dirname, *basename;
const char *filename;
+ struct stat_info_entry *entry;
+ gboolean file_must_exist;
+ GtkFileInfoType types;
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (strcmp (dirname, folder_unix->filename) == 0, NULL);
g_free (dirname);
- info = filename_get_info (filename, folder_unix->types, error);
+ basename = g_path_get_basename (filename);
+ types = folder_unix->types;
+ file_must_exist = (types & ~GTK_FILE_INFO_DISPLAY_NAME) != 0;
+ entry = file_must_exist
+ ? g_hash_table_lookup (folder_unix->stat_info, basename)
+ : NULL;
+ /* basename freed later. */
+
+ if (!file_must_exist || entry)
+ {
+ info = gtk_file_info_new ();
+ }
+ else
+ {
+ gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
+ g_set_error (error,
+ GTK_FILE_SYSTEM_ERROR,
+ GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
+ _("error getting information for '%s'"),
+ filename_utf8 ? filename_utf8 : "???");
+ g_free (filename_utf8);
+ info = NULL;
+ types = 0;
+ }
+
+ if (types & GTK_FILE_INFO_DISPLAY_NAME)
+ {
+ gchar *display_name = g_filename_to_utf8 (basename, -1, NULL, NULL, NULL);
+ if (!display_name)
+ display_name = g_strescape (basename, NULL);
+
+ gtk_file_info_set_display_name (info, display_name);
+
+ g_free (display_name);
+ }
+
+ if (types & GTK_FILE_INFO_IS_HIDDEN)
+ gtk_file_info_set_is_hidden (info, basename[0] == '.');
+
+ if (types & GTK_FILE_INFO_IS_FOLDER)
+ gtk_file_info_set_is_folder (info, S_ISDIR (entry->statbuf.st_mode));
+
+ if (types & GTK_FILE_INFO_MIME_TYPE)
+ gtk_file_info_set_mime_type (info, entry->mime_type);
+
+ if (types & GTK_FILE_INFO_MODIFICATION_TIME)
+ gtk_file_info_set_modification_time (info, entry->statbuf.st_mtime);
+
+ if (types & GTK_FILE_INFO_SIZE)
+ gtk_file_info_set_size (info, (gint64)entry->statbuf.st_size);
+
+ g_free (basename);
return info;
}
+
+static void
+cb_list_children (gpointer key, gpointer value, gpointer user_data)
+{
+ GSList **children = user_data;
+ *children = g_slist_prepend (*children, key);
+}
+
static gboolean
gtk_file_folder_unix_list_children (GtkFileFolder *folder,
GSList **children,
GError **error)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
- GError *tmp_error = NULL;
- GDir *dir;
+ GSList *l;
+
+ if (!fill_in_names (folder_unix, error))
+ return FALSE;
*children = NULL;
- dir = g_dir_open (folder_unix->filename, 0, &tmp_error);
+ /* Get the list of basenames. */
+ g_hash_table_foreach (folder_unix->stat_info, cb_list_children, children);
+
+ /* Turn basenames into GFilePaths. */
+ for (l = *children; l; l = l->next)
+ {
+ const char *basename = l->data;
+ char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
+ l->data = filename_to_path (fullname);
+ g_free (fullname);
+ }
+ return TRUE;
+}
+
+
+static void
+free_stat_info_entry (struct stat_info_entry *entry)
+{
+ g_free (entry->mime_type);
+ g_free (entry);
+}
+
+static gboolean
+fill_in_names (GtkFileFolderUnix *folder_unix, GError **error)
+{
+ GDir *dir;
+
+ if (folder_unix->stat_info)
+ return TRUE;
+
+ g_print ("Reading directory %s\n", folder_unix->filename);
+
+ folder_unix->stat_info = g_hash_table_new_full (g_str_hash, g_str_equal,
+ (GDestroyNotify)g_free,
+ (GDestroyNotify)free_stat_info_entry);
+ dir = g_dir_open (folder_unix->filename, 0, error);
if (!dir)
{
+ int save_errno = errno;
+ gchar *filename_utf8 = g_filename_to_utf8 (folder_unix->filename, -1, NULL, NULL, NULL);
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
- "%s",
- tmp_error->message);
-
- g_error_free (tmp_error);
-
+ _("error getting information for '%s': %s"),
+ filename_utf8 ? filename_utf8 : "???",
+ g_strerror (save_errno));
+ g_free (filename_utf8);
return FALSE;
}
while (TRUE)
{
- const gchar *filename = g_dir_read_name (dir);
- gchar *fullname;
-
- if (!filename)
+ const gchar *basename = g_dir_read_name (dir);
+ if (!basename)
break;
- fullname = g_build_filename (folder_unix->filename, filename, NULL);
- *children = g_slist_prepend (*children, filename_to_path (fullname));
- g_free (fullname);
+ g_hash_table_insert (folder_unix->stat_info,
+ g_strdup (basename),
+ g_new0 (struct stat_info_entry, 1));
}
g_dir_close (dir);
- *children = g_slist_reverse (*children);
-
+ folder_unix->asof = time (NULL);
return TRUE;
}
-static GtkFileInfo *
-filename_get_info (const gchar *filename,
- GtkFileInfoType types,
- GError **error)
+static gboolean
+cb_fill_in_stats (gpointer key, gpointer value, gpointer user_data)
{
- GtkFileInfo *info;
- struct stat statbuf;
- gboolean do_stat = (types & (GTK_FILE_INFO_IS_FOLDER |
- GTK_FILE_INFO_IS_HIDDEN |
- GTK_FILE_INFO_MODIFICATION_TIME |
- GTK_FILE_INFO_SIZE));
-
- /* If stat fails, try to fall back to lstat to catch broken links
- */
- if (do_stat && stat (filename, &statbuf) != 0)
- {
- if (errno != ENOENT || lstat (filename, &statbuf) != 0)
- {
- int save_errno = errno;
- gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
- g_set_error (error,
- GTK_FILE_SYSTEM_ERROR,
- GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
- _("error getting information for '%s': %s"),
- filename_utf8 ? filename_utf8 : "???",
- g_strerror (save_errno));
- g_free (filename_utf8);
+ const char *basename = key;
+ struct stat_info_entry *entry = value;
+ GtkFileFolderUnix *folder_unix = user_data;
+ char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
+ gboolean result;
- return NULL;
- }
- }
+ if (stat (fullname, &entry->statbuf) == -1 &&
+ (errno != ENOENT || lstat (fullname, &entry->statbuf) == -1))
+ result = TRUE; /* Couldn't stat -- remove from hash. */
+ else
+ result = FALSE;
- info = gtk_file_info_new ();
+ g_free (fullname);
+ return result;
+}
- if (filename_is_root (filename))
- {
- if (types & GTK_FILE_INFO_DISPLAY_NAME)
- gtk_file_info_set_display_name (info, "/");
- if (types & GTK_FILE_INFO_IS_HIDDEN)
- gtk_file_info_set_is_hidden (info, FALSE);
- }
- else
- {
- gchar *basename = g_path_get_basename (filename);
+static gboolean
+fill_in_stats (GtkFileFolderUnix *folder_unix, GError **error)
+{
+ if (folder_unix->have_stat)
+ return TRUE;
- if (types & GTK_FILE_INFO_DISPLAY_NAME)
- {
- gchar *display_name = g_filename_to_utf8 (basename, -1, NULL, NULL, NULL);
- if (!display_name)
- display_name = g_strescape (basename, NULL);
+ if (!fill_in_names (folder_unix, error))
+ return FALSE;
- gtk_file_info_set_display_name (info, display_name);
+ g_print ("Stating directory %s\n", folder_unix->filename);
+ g_hash_table_foreach_remove (folder_unix->stat_info,
+ cb_fill_in_stats,
+ folder_unix);
- g_free (display_name);
- }
+ folder_unix->have_stat = TRUE;
+ return TRUE;
+}
- if (types & GTK_FILE_INFO_IS_HIDDEN)
- {
- gtk_file_info_set_is_hidden (info, basename[0] == '.');
- }
- g_free (basename);
- }
+static gboolean
+cb_fill_in_mime_type (gpointer key, gpointer value, gpointer user_data)
+{
+ const char *basename = key;
+ struct stat_info_entry *entry = value;
+ GtkFileFolderUnix *folder_unix = user_data;
+ char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
- if (types & GTK_FILE_INFO_IS_FOLDER)
- {
- gtk_file_info_set_is_folder (info, S_ISDIR (statbuf.st_mode));
- }
+ /* FIXME: Should not need to re-stat. */
+ const char *mime_type = xdg_mime_get_mime_type_for_file (fullname);
+ entry->mime_type = g_strdup (mime_type);
- if (types & GTK_FILE_INFO_MIME_TYPE)
- {
- const char *mime_type = xdg_mime_get_mime_type_for_file (filename);
- gtk_file_info_set_mime_type (info, mime_type);
- }
+ g_free (fullname);
+ /* FIXME: free on NULL? */
+ return FALSE;
+}
- if (types & GTK_FILE_INFO_MODIFICATION_TIME)
- {
- gtk_file_info_set_modification_time (info, statbuf.st_mtime);
- }
+static gboolean
+fill_in_mime_type (GtkFileFolderUnix *folder_unix, GError **error)
+{
+ if (folder_unix->have_mime_type)
+ return TRUE;
- if (types & GTK_FILE_INFO_SIZE)
- {
- gtk_file_info_set_size (info, (gint64)statbuf.st_size);
- }
+ g_print ("Getting mime types for directory %s\n", folder_unix->filename);
+ g_hash_table_foreach_remove (folder_unix->stat_info,
+ cb_fill_in_mime_type,
+ folder_unix);
- return info;
+ folder_unix->have_mime_type = TRUE;
+ return TRUE;
}
static GtkFilePath *
projects / ~andy / gtk / commitdiff