]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkfilesystemunix.c
2.8.2
[~andy/gtk] / gtk / gtkfilesystemunix.c
index 610c63e0ef0476fd264e510b82c55cd4ba302348..403b52129f9bf9a6decdacded20911028b965f89 100644 (file)
  * Boston, MA 02111-1307, USA.
  */
 
+#include <config.h>
+
 #include "gtkfilesystem.h"
 #include "gtkfilesystemunix.h"
+#include "gtkicontheme.h"
 #include "gtkintl.h"
+#include "gtkstock.h"
+#include "gtkalias.h"
 
 #define XDG_PREFIX _gtk_xdg
 #include "xdgmime/xdgmime.h"
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <pwd.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+#include <stdio.h>
+#include <time.h>
+
+#define BOOKMARKS_FILENAME ".gtk-bookmarks"
+
+#define HIDDEN_FILENAME ".hidden"
+
+#define FOLDER_CACHE_LIFETIME 2 /* seconds */
 
 typedef struct _GtkFileSystemUnixClass GtkFileSystemUnixClass;
 
@@ -45,12 +61,32 @@ struct _GtkFileSystemUnixClass
 struct _GtkFileSystemUnix
 {
   GObject parent_instance;
+
+  GHashTable *folder_hash;
+
+  /* For /afs and /net */
+  struct stat afs_statbuf;
+  struct stat net_statbuf;
+
+  guint have_afs : 1;
+  guint have_net : 1;
 };
 
-/* Simple stub for our returned volumes */
-typedef struct {
-  int dummy;
-} Volume;
+/* Icon type, supplemented by MIME type
+ */
+typedef enum {
+  ICON_UNDECIDED, /* Only used while we have not yet computed the icon in a struct stat_info_entry */
+  ICON_NONE,      /* "Could not compute the icon type" */
+  ICON_REGULAR,          /* Use mime type for icon */
+  ICON_BLOCK_DEVICE,
+  ICON_BROKEN_SYMBOLIC_LINK,
+  ICON_CHARACTER_DEVICE,
+  ICON_DIRECTORY,
+  ICON_EXECUTABLE,
+  ICON_FIFO,
+  ICON_SOCKET
+} IconType;
+
 
 #define GTK_TYPE_FILE_FOLDER_UNIX             (gtk_file_folder_unix_get_type ())
 #define GTK_FILE_FOLDER_UNIX(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnix))
@@ -71,10 +107,28 @@ struct _GtkFileFolderUnix
 {
   GObject parent_instance;
 
+  GtkFileSystemUnix *system_unix;
   GtkFileInfoType types;
   gchar *filename;
+  GHashTable *stat_info;
+  guint have_stat : 1;
+  guint have_mime_type : 1;
+  guint is_network_dir : 1;
+  guint have_hidden : 1;
+  time_t asof;
+};
+
+struct stat_info_entry {
+  struct stat statbuf;
+  char *mime_type;
+  IconType icon_type;
+  gboolean hidden;
 };
 
+static const GtkFileInfoType STAT_NEEDED_MASK = (GTK_FILE_INFO_IS_FOLDER |
+                                                GTK_FILE_INFO_MODIFICATION_TIME |
+                                                GTK_FILE_INFO_SIZE);
+
 static GObjectClass *system_parent_class;
 static GObjectClass *folder_parent_class;
 
@@ -142,13 +196,19 @@ static GdkPixbuf *gtk_file_system_unix_render_icon (GtkFileSystem     *file_syst
                                                    gint               pixel_size,
                                                    GError           **error);
 
-static gboolean gtk_file_system_unix_add_bookmark    (GtkFileSystem     *file_system,
+static gboolean gtk_file_system_unix_insert_bookmark (GtkFileSystem     *file_system,
                                                      const GtkFilePath *path,
+                                                     gint               position,
                                                      GError           **error);
 static gboolean gtk_file_system_unix_remove_bookmark (GtkFileSystem     *file_system,
                                                      const GtkFilePath *path,
                                                      GError           **error);
-static GSList * gtk_file_system_unix_list_bookmarks  (GtkFileSystem *file_system);
+static GSList * gtk_file_system_unix_list_bookmarks  (GtkFileSystem     *file_system);
+static gchar  * gtk_file_system_unix_get_bookmark_label (GtkFileSystem     *file_system,
+                                                        const GtkFilePath *path);
+static void     gtk_file_system_unix_set_bookmark_label (GtkFileSystem     *file_system,
+                                                        const GtkFilePath *path,
+                                                        const gchar       *label);
 
 static GType gtk_file_folder_unix_get_type   (void);
 static void  gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class);
@@ -163,13 +223,21 @@ static gboolean     gtk_file_folder_unix_list_children (GtkFileFolder  *folder,
                                                        GSList        **children,
                                                        GError        **error);
 
-static gchar *      filename_from_path (const GtkFilePath *path);
+static gboolean     gtk_file_folder_unix_is_finished_loading (GtkFileFolder *folder);
+
 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 file_is_hidden (GtkFileFolderUnix *folder_unix,
+                               const char        *basename);
+
+static gboolean fill_in_names (GtkFileFolderUnix *folder_unix, GError **error);
+static void fill_in_stats (GtkFileFolderUnix *folder_unix);
+static void fill_in_mime_type (GtkFileFolderUnix *folder_unix);
+static void fill_in_hidden (GtkFileFolderUnix *folder_unix);
+
+static char *       get_parent_dir    (const char       *filename);
 
 /*
  * GtkFileSystemUnix
@@ -258,19 +326,39 @@ gtk_file_system_unix_iface_init   (GtkFileSystemIface *iface)
   iface->uri_to_path = gtk_file_system_unix_uri_to_path;
   iface->filename_to_path = gtk_file_system_unix_filename_to_path;
   iface->render_icon = gtk_file_system_unix_render_icon;
-  iface->add_bookmark = gtk_file_system_unix_add_bookmark;
+  iface->insert_bookmark = gtk_file_system_unix_insert_bookmark;
   iface->remove_bookmark = gtk_file_system_unix_remove_bookmark;
   iface->list_bookmarks = gtk_file_system_unix_list_bookmarks;
+  iface->get_bookmark_label = gtk_file_system_unix_get_bookmark_label;
+  iface->set_bookmark_label = gtk_file_system_unix_set_bookmark_label;
 }
 
 static void
 gtk_file_system_unix_init (GtkFileSystemUnix *system_unix)
 {
+  system_unix->folder_hash = g_hash_table_new (g_str_hash, g_str_equal);
+
+  if (stat ("/afs", &system_unix->afs_statbuf) == 0)
+    system_unix->have_afs = TRUE;
+  else
+    system_unix->have_afs = FALSE;
+
+  if (stat ("/net", &system_unix->net_statbuf) == 0)
+    system_unix->have_net = TRUE;
+  else
+    system_unix->have_net = FALSE;
 }
 
 static void
 gtk_file_system_unix_finalize (GObject *object)
 {
+  GtkFileSystemUnix *system_unix;
+
+  system_unix = GTK_FILE_SYSTEM_UNIX (object);
+
+  /* FIXME: assert that the hash is empty? */
+  g_hash_table_destroy (system_unix->folder_hash);
+
   system_parent_class->finalize (object);
 }
 
@@ -294,21 +382,139 @@ gtk_file_system_unix_get_volume_for_path (GtkFileSystem     *file_system,
   return get_root_volume ();
 }
 
+static char *
+remove_trailing_slash (const char *filename)
+{
+  int len;
+
+  len = strlen (filename);
+
+  if (len > 1 && filename[len - 1] == '/')
+    return g_strndup (filename, len - 1);
+  else
+    return g_memdup (filename, len + 1);
+}
+
 static GtkFileFolder *
 gtk_file_system_unix_get_folder (GtkFileSystem     *file_system,
                                 const GtkFilePath *path,
                                 GtkFileInfoType    types,
                                 GError           **error)
 {
+  GtkFileSystemUnix *system_unix;
   GtkFileFolderUnix *folder_unix;
-  gchar *filename;
+  const char *filename;
+  char *filename_copy;
+  gboolean set_asof = FALSE;
 
-  filename = filename_from_path (path);
+  system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
+
+  filename = gtk_file_path_get_string (path);
   g_return_val_if_fail (filename != NULL, NULL);
+  g_return_val_if_fail (g_path_is_absolute (filename), NULL);
+
+  filename_copy = remove_trailing_slash (filename);
+  folder_unix = g_hash_table_lookup (system_unix->folder_hash, filename_copy);
+
+  if (folder_unix)
+    {
+      g_free (filename_copy);
+      if (folder_unix->stat_info &&
+         time (NULL) - folder_unix->asof >= FOLDER_CACHE_LIFETIME)
+       {
+#if 0
+         g_print ("Cleaning out cached directory %s\n", filename);
+#endif
+         g_hash_table_destroy (folder_unix->stat_info);
+         folder_unix->stat_info = NULL;
+         folder_unix->have_mime_type = FALSE;
+         folder_unix->have_stat = FALSE;
+         folder_unix->have_hidden = FALSE;
+         set_asof = TRUE;
+       }
+
+      g_object_ref (folder_unix);
+      folder_unix->types |= types;
+      types = folder_unix->types;
+    }
+  else
+    {
+      struct stat statbuf;
+      int result;
+      int code;
+      int my_errno;
+
+      code = my_errno = 0; /* shut up GCC */
+
+      result = stat (filename, &statbuf);
+
+      if (result == 0)
+       {
+         if (!S_ISDIR (statbuf.st_mode))
+           {
+             result = -1;
+             code = GTK_FILE_SYSTEM_ERROR_NOT_FOLDER;
+             my_errno = ENOTDIR;
+           }
+       }
+      else
+       {
+         my_errno = errno;
+
+         if (my_errno == ENOENT)
+           code = GTK_FILE_SYSTEM_ERROR_NONEXISTENT;
+         else
+           code = GTK_FILE_SYSTEM_ERROR_FAILED;
+       }
+
+      if (result != 0)
+       {
+         gchar *display_name = g_filename_display_name (filename);
+         g_set_error (error,
+                      GTK_FILE_SYSTEM_ERROR,
+                      code,
+                      _("Error getting information for '%s': %s"),
+                      display_name,
+                      g_strerror (my_errno));
+
+         g_free (display_name);
+         g_free (filename_copy);
+         return NULL;
+       }
+
+      folder_unix = g_object_new (GTK_TYPE_FILE_FOLDER_UNIX, NULL);
+      folder_unix->system_unix = system_unix;
+      folder_unix->filename = filename_copy;
+      folder_unix->types = types;
+      folder_unix->stat_info = NULL;
+      folder_unix->have_mime_type = FALSE;
+      folder_unix->have_stat = FALSE;
+      folder_unix->have_hidden = FALSE;
+      set_asof = TRUE;
+         
+      if ((system_unix->have_afs &&
+          system_unix->afs_statbuf.st_dev == statbuf.st_dev &&
+          system_unix->afs_statbuf.st_ino == statbuf.st_ino) ||
+         (system_unix->have_net &&
+          system_unix->net_statbuf.st_dev == statbuf.st_dev &&
+          system_unix->net_statbuf.st_ino == statbuf.st_ino))
+       folder_unix->is_network_dir = TRUE;
+      else
+       folder_unix->is_network_dir = FALSE;
+
+      g_hash_table_insert (system_unix->folder_hash,
+                          folder_unix->filename,
+                          folder_unix);
+    }
+
+  if ((types & STAT_NEEDED_MASK) != 0)
+    fill_in_stats (folder_unix);
 
-  folder_unix = g_object_new (GTK_TYPE_FILE_FOLDER_UNIX, NULL);
-  folder_unix->filename = filename;
-  folder_unix->types = types;
+  if ((types & GTK_FILE_INFO_MIME_TYPE) != 0)
+    fill_in_mime_type (folder_unix);
+
+  if (set_asof)
+    folder_unix->asof = time (NULL);
 
   return GTK_FILE_FOLDER (folder_unix);
 }
@@ -318,29 +524,76 @@ gtk_file_system_unix_create_folder (GtkFileSystem     *file_system,
                                    const GtkFilePath *path,
                                    GError           **error)
 {
-  gchar *filename;
+  GtkFileSystemUnix *system_unix;
+  const char *filename;
   gboolean result;
+  char *parent, *tmp;
+  int save_errno = errno;
 
-  filename = filename_from_path (path);
+  system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
+
+  filename = gtk_file_path_get_string (path);
   g_return_val_if_fail (filename != NULL, FALSE);
+  g_return_val_if_fail (g_path_is_absolute (filename), FALSE);
 
-  result = mkdir (filename, 0777) == 0;
+  tmp = remove_trailing_slash (filename);
+  errno = 0;
+  result = mkdir (tmp, 0777) == 0;
+  save_errno = errno;
+  g_free (tmp);
 
   if (!result)
     {
-      gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
+      gchar *display_name = g_filename_display_name (filename);
       g_set_error (error,
                   GTK_FILE_SYSTEM_ERROR,
                   GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
-                  _("error creating directory '%s': %s"),
-                  filename_utf8 ? filename_utf8 : "???",
-                  g_strerror (errno));
-      g_free (filename_utf8);
+                  _("Error creating directory '%s': %s"),
+                  display_name,
+                  g_strerror (save_errno));
+      g_free (display_name);
+      return FALSE;
     }
 
-  g_free (filename);
+  if (filename_is_root (filename))
+    return TRUE; /* hmmm, but with no notification */
 
-  return result;
+  parent = get_parent_dir (filename);
+  if (parent)
+    {
+      GtkFileFolderUnix *folder_unix;
+
+      folder_unix = g_hash_table_lookup (system_unix->folder_hash, parent);
+      if (folder_unix)
+       {
+         GtkFileInfoType types;
+         GtkFilePath *parent_path;
+         GSList *paths;
+         GtkFileFolder *folder;
+
+         /* This is sort of a hack.  We re-get the folder, to ensure that the
+          * newly-created directory gets read into the folder's info hash table.
+          */
+
+         types = folder_unix->types;
+
+         parent_path = gtk_file_path_new_dup (parent);
+         folder = gtk_file_system_get_folder (file_system, parent_path, types, NULL);
+         gtk_file_path_free (parent_path);
+
+         if (folder)
+           {
+             paths = g_slist_append (NULL, (GtkFilePath *) path);
+             g_signal_emit_by_name (folder, "files-added", paths);
+             g_slist_free (paths);
+             g_object_unref (folder);
+           }
+       }
+
+      g_free (parent);
+    }
+
+  return TRUE;
 }
 
 static void
@@ -383,7 +636,167 @@ static gchar *
 gtk_file_system_unix_volume_get_display_name (GtkFileSystem       *file_system,
                                              GtkFileSystemVolume *volume)
 {
-  return g_strdup (_("Filesystem")); /* Same as Nautilus */
+  return g_strdup (_("File System")); /* 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;
+#ifdef S_ISFIFO
+  else if (S_ISFIFO (statp->st_mode))
+    return  ICON_FIFO;
+#endif
+#ifdef S_ISSOCK
+  else if (S_ISSOCK (statp->st_mode))
+    return ICON_SOCKET;
+#endif
+  else
+    return ICON_REGULAR;
+}
+
+static IconType
+get_icon_type (const char *filename,
+              GError    **error)
+{
+  struct stat statbuf;
+
+  /* If stat fails, try to fall back to lstat to catch broken links
+   */
+  if (stat (filename, &statbuf) != 0)
+    {
+      if (errno != ENOENT || lstat (filename, &statbuf) != 0)
+       {
+         int save_errno = errno;
+         gchar *display_name = g_filename_display_name (filename);
+         g_set_error (error,
+                      GTK_FILE_SYSTEM_ERROR,
+                      GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
+                      _("Error getting information for '%s': %s"),
+                      display_name,
+                      g_strerror (save_errno));
+         g_free (display_name);
+
+         return ICON_NONE;
+       }
+    }
+
+  return get_icon_type_from_stat (&statbuf);
+}
+
+typedef struct
+{
+  gint size;
+  GdkPixbuf *pixbuf;
+} IconCacheElement;
+
+static void
+icon_cache_element_free (IconCacheElement *element)
+{
+  if (element->pixbuf)
+    g_object_unref (element->pixbuf);
+  g_free (element);
+}
+
+static void
+icon_theme_changed (GtkIconTheme *icon_theme)
+{
+  GHashTable *cache;
+
+  /* Difference from the initial creation is that we don't
+   * reconnect the signal
+   */
+  cache = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                (GDestroyNotify)g_free,
+                                (GDestroyNotify)icon_cache_element_free);
+  g_object_set_data_full (G_OBJECT (icon_theme), "gtk-file-icon-cache",
+                         cache, (GDestroyNotify)g_hash_table_destroy);
+}
+
+static GdkPixbuf *
+get_cached_icon (GtkWidget   *widget,
+                const gchar *name,
+                gint         pixel_size)
+{
+  GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
+  GHashTable *cache = g_object_get_data (G_OBJECT (icon_theme), "gtk-file-icon-cache");
+  IconCacheElement *element;
+
+  if (!cache)
+    {
+      cache = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                    (GDestroyNotify)g_free,
+                                    (GDestroyNotify)icon_cache_element_free);
+
+      g_object_set_data_full (G_OBJECT (icon_theme), "gtk-file-icon-cache",
+                             cache, (GDestroyNotify)g_hash_table_destroy);
+      g_signal_connect (icon_theme, "changed",
+                       G_CALLBACK (icon_theme_changed), NULL);
+    }
+
+  element = g_hash_table_lookup (cache, name);
+  if (!element)
+    {
+      element = g_new0 (IconCacheElement, 1);
+      g_hash_table_insert (cache, g_strdup (name), element);
+    }
+
+  if (element->size != pixel_size)
+    {
+      if (element->pixbuf)
+       g_object_unref (element->pixbuf);
+      element->size = pixel_size;
+      element->pixbuf = gtk_icon_theme_load_icon (icon_theme, name,
+                                                 pixel_size, 0, NULL);
+    }
+
+  return element->pixbuf ? g_object_ref (element->pixbuf) : NULL;
+}
+
+/* Renders a fallback icon from the stock system */
+static GdkPixbuf *
+get_fallback_icon (GtkWidget *widget,
+                  IconType   icon_type,
+                  GError   **error)
+{
+  const char *stock_name;
+  GdkPixbuf *pixbuf;
+
+  switch (icon_type)
+    {
+    case ICON_BLOCK_DEVICE:
+      stock_name = GTK_STOCK_HARDDISK;
+      break;
+
+    case ICON_DIRECTORY:
+      stock_name = GTK_STOCK_DIRECTORY;
+      break;
+
+    case ICON_EXECUTABLE:
+      stock_name = GTK_STOCK_EXECUTE;
+      break;
+
+    default:
+      stock_name = GTK_STOCK_FILE;
+      break;
+    }
+
+  pixbuf = gtk_widget_render_icon (widget, stock_name, GTK_ICON_SIZE_SMALL_TOOLBAR, NULL);
+  if (!pixbuf)
+    g_set_error (error,
+                GTK_FILE_SYSTEM_ERROR,
+                GTK_FILE_SYSTEM_ERROR_FAILED,
+                _("Could not get a stock icon for %s"),
+                stock_name);
+
+  return pixbuf;
 }
 
 static GdkPixbuf *
@@ -393,7 +806,39 @@ gtk_file_system_unix_volume_render_icon (GtkFileSystem        *file_system,
                                         gint                  pixel_size,
                                         GError              **error)
 {
-  return NULL; /* FIXME: We need a hard disk icon or something */
+  GdkPixbuf *pixbuf;
+
+  pixbuf = get_cached_icon (widget, "gnome-dev-harddisk", pixel_size);
+  if (pixbuf)
+    return pixbuf;
+
+  pixbuf = get_fallback_icon (widget, ICON_BLOCK_DEVICE, error);
+  g_assert (pixbuf != NULL);
+
+  return pixbuf;
+}
+
+static char *
+get_parent_dir (const char *filename)
+{
+  int len;
+
+  len = strlen (filename);
+
+  /* Ignore trailing slashes */
+  if (len > 1 && filename[len - 1] == '/')
+    {
+      char *tmp, *parent;
+
+      tmp = g_strndup (filename, len - 1);
+
+      parent = g_path_get_dirname (tmp);
+      g_free (tmp);
+
+      return parent;
+    }
+  else
+    return g_path_get_dirname (filename);
 }
 
 static gboolean
@@ -402,8 +847,11 @@ gtk_file_system_unix_get_parent (GtkFileSystem     *file_system,
                                 GtkFilePath      **parent,
                                 GError           **error)
 {
-  gchar *filename = filename_from_path (path);
+  const char *filename;
+
+  filename = gtk_file_path_get_string (path);
   g_return_val_if_fail (filename != NULL, FALSE);
+  g_return_val_if_fail (g_path_is_absolute (filename), FALSE);
 
   if (filename_is_root (filename))
     {
@@ -411,13 +859,11 @@ gtk_file_system_unix_get_parent (GtkFileSystem     *file_system,
     }
   else
     {
-      gchar *parent_filename = g_path_get_dirname (filename);
+      gchar *parent_filename = get_parent_dir (filename);
       *parent = filename_to_path (parent_filename);
       g_free (parent_filename);
     }
 
-  g_free (filename);
-
   return TRUE;
 }
 
@@ -427,14 +873,27 @@ gtk_file_system_unix_make_path (GtkFileSystem    *file_system,
                               const gchar       *display_name,
                               GError           **error)
 {
-  gchar *base_filename;
+  const char *base_filename;
   gchar *filename;
   gchar *full_filename;
   GError *tmp_error = NULL;
   GtkFilePath *result;
 
-  base_filename = filename_from_path (base_path);
+  base_filename = gtk_file_path_get_string (base_path);
   g_return_val_if_fail (base_filename != NULL, NULL);
+  g_return_val_if_fail (g_path_is_absolute (base_filename), NULL);
+
+  if (strchr (display_name, G_DIR_SEPARATOR))
+    {
+      g_set_error (error,
+                  GTK_FILE_SYSTEM_ERROR,
+                  GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
+                  _("The name \"%s\" is not valid because it contains the character \"%s\". "
+                    "Please use a different name."),
+                  display_name,
+                  G_DIR_SEPARATOR_S);
+      return NULL;
+    }
 
   filename = g_filename_from_utf8 (display_name, -1, NULL, NULL, &tmp_error);
   if (!filename)
@@ -446,14 +905,12 @@ gtk_file_system_unix_make_path (GtkFileSystem    *file_system,
                   tmp_error->message);
 
       g_error_free (tmp_error);
-      g_free (base_filename);
 
       return NULL;
     }
 
   full_filename = g_build_filename (base_filename, filename, NULL);
   result = filename_to_path (full_filename);
-  g_free (base_filename);
   g_free (filename);
   g_free (full_filename);
 
@@ -533,6 +990,48 @@ canonicalize_filename (gchar *filename)
   *q = '\0';
 }
 
+/* Takes a user-typed filename and expands a tilde at the beginning of the string */
+static char *
+expand_tilde (const char *filename)
+{
+  const char *notilde;
+  const char *slash;
+  const char *home;
+
+  if (filename[0] != '~')
+    return g_strdup (filename);
+
+  notilde = filename + 1;
+
+  slash = strchr (notilde, G_DIR_SEPARATOR);
+  if (!slash)
+    return NULL;
+
+  if (slash == notilde)
+    {
+      home = g_get_home_dir ();
+
+      if (!home)
+       return g_strdup (filename);
+    }
+  else
+    {
+      char *username;
+      struct passwd *passwd;
+
+      username = g_strndup (notilde, slash - notilde);
+      passwd = getpwnam (username);
+      g_free (username);
+
+      if (!passwd)
+       return g_strdup (filename);
+
+      home = passwd->pw_dir;
+    }
+
+  return g_build_filename (home, G_DIR_SEPARATOR_S, slash + 1, NULL);
+}
+
 static gboolean
 gtk_file_system_unix_parse (GtkFileSystem     *file_system,
                            const GtkFilePath *base_path,
@@ -541,18 +1040,30 @@ gtk_file_system_unix_parse (GtkFileSystem     *file_system,
                            gchar            **file_part,
                            GError           **error)
 {
-  char *base_filename;
+  const char *base_filename;
+  gchar *filename;
   gchar *last_slash;
   gboolean result = FALSE;
 
-  base_filename = filename_from_path (base_path);
+  base_filename = gtk_file_path_get_string (base_path);
   g_return_val_if_fail (base_filename != NULL, FALSE);
+  g_return_val_if_fail (g_path_is_absolute (base_filename), FALSE);
 
-  last_slash = strrchr (str, G_DIR_SEPARATOR);
+  filename = expand_tilde (str);
+  if (!filename)
+    {
+      g_set_error (error,
+                  GTK_FILE_SYSTEM_ERROR,
+                  GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
+                  "%s", ""); /* nothing for now, as we are string-frozen */
+      return FALSE;
+    }
+
+  last_slash = strrchr (filename, G_DIR_SEPARATOR);
   if (!last_slash)
     {
       *folder = gtk_file_path_copy (base_path);
-      *file_part = g_strdup (str);
+      *file_part = g_strdup (filename);
       result = TRUE;
     }
   else
@@ -561,10 +1072,10 @@ gtk_file_system_unix_parse (GtkFileSystem     *file_system,
       gchar *folder_path;
       GError *tmp_error = NULL;
 
-      if (last_slash == str)
+      if (last_slash == filename)
        folder_part = g_strdup ("/");
       else
-       folder_part = g_filename_from_utf8 (str, last_slash - str,
+       folder_part = g_filename_from_utf8 (filename, last_slash - filename,
                                            NULL, NULL, &tmp_error);
 
       if (!folder_part)
@@ -597,7 +1108,7 @@ gtk_file_system_unix_parse (GtkFileSystem     *file_system,
        }
     }
 
-  g_free (base_filename);
+  g_free (filename);
 
   return result;
 }
@@ -620,84 +1131,606 @@ static GtkFilePath *
 gtk_file_system_unix_uri_to_path (GtkFileSystem     *file_system,
                                  const gchar       *uri)
 {
+  GtkFilePath *path;
   gchar *filename = g_filename_from_uri (uri, NULL, NULL);
+
   if (filename)
-    return gtk_file_path_new_steal (filename);
+    {
+      path = filename_to_path (filename);
+      g_free (filename);
+    }
   else
-    return NULL;
+    path = NULL;
+
+  return path;
 }
 
 static GtkFilePath *
 gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system,
                                       const gchar   *filename)
 {
-  return gtk_file_path_new_dup (filename);
+  return filename_to_path (filename);
 }
 
-static GdkPixbuf *
-gtk_file_system_unix_render_icon (GtkFileSystem     *file_system,
-                                 const GtkFilePath *path,
-                                 GtkWidget         *widget,
-                                 gint               pixel_size,
-                                 GError           **error)
+/* Returns the name of the icon to be used for a path which is known to be a
+ * directory.  This can vary for Home, Desktop, etc.
+ */
+static const char *
+get_icon_name_for_directory (const char *path)
 {
-  /* FIXME: Implement this */
-  g_set_error (error,
-              GTK_FILE_SYSTEM_ERROR,
-              GTK_FILE_SYSTEM_ERROR_FAILED,
-              _("This file system does not support icons"));
-  return NULL;
-}
+  static char *desktop_path = NULL;
 
-static gboolean
-gtk_file_system_unix_add_bookmark (GtkFileSystem     *file_system,
-                                  const GtkFilePath *path,
-                                  GError           **error)
-{
-  /* FIXME: Implement as a really simple ~/.gtk-bookmarks */
-  g_set_error (error,
-              GTK_FILE_SYSTEM_ERROR,
-              GTK_FILE_SYSTEM_ERROR_FAILED,
-              _("This file system does not support bookmarks"));
-  return FALSE;
-}
+  if (!g_get_home_dir ())
+    return "gnome-fs-directory";
 
-static gboolean
-gtk_file_system_unix_remove_bookmark (GtkFileSystem     *file_system,
-                                     const GtkFilePath *path,
-                                     GError           **error)
-{
-  /* FIXME: Implement as a really simple ~/.gtk-bookmarks */
-  g_set_error (error,
-              GTK_FILE_SYSTEM_ERROR,
-              GTK_FILE_SYSTEM_ERROR_FAILED,
-              _("This file system does not support bookmarks"));
-  return FALSE;
-}
+  if (!desktop_path)
+      desktop_path = g_build_filename (g_get_home_dir (), "Desktop", NULL);
 
-static GSList *
-gtk_file_system_unix_list_bookmarks (GtkFileSystem *file_system)
-{
-  /* FIXME: Implement as a really simple ~/.gtk-bookmarks */
-  return NULL;
+  if (strcmp (g_get_home_dir (), path) == 0)
+    return "gnome-fs-home";
+  else if (strcmp (desktop_path, path) == 0)
+    return "gnome-fs-desktop";
+  else
+    return "gnome-fs-directory";
 }
 
-/*
- * GtkFileFolderUnix
+/* Computes our internal icon type based on a path name; also returns the MIME
+ * type in case we come up with ICON_REGULAR.
  */
-static GType
-gtk_file_folder_unix_get_type (void)
+static IconType
+get_icon_type_from_path (GtkFileSystemUnix *system_unix,
+                        const GtkFilePath *path,
+                        const char       **mime_type)
 {
-  static GType file_folder_unix_type = 0;
+  const char *filename;
+  char *dirname;
+  GtkFileFolderUnix *folder_unix;
+  IconType icon_type;
 
-  if (!file_folder_unix_type)
+  filename = gtk_file_path_get_string (path);
+  dirname = g_path_get_dirname (filename);
+  folder_unix = g_hash_table_lookup (system_unix->folder_hash, dirname);
+  g_free (dirname);
+
+  *mime_type = NULL;
+
+  if (folder_unix && folder_unix->have_stat)
     {
-      static const GTypeInfo file_folder_unix_info =
-      {
-       sizeof (GtkFileFolderUnixClass),
-       NULL,           /* base_init */
-       NULL,           /* base_finalize */
-       (GClassInitFunc) gtk_file_folder_unix_class_init,
+      char *basename;
+      struct stat_info_entry *entry;
+
+      g_assert (folder_unix->stat_info != 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);
+             g_assert (entry->icon_type != ICON_UNDECIDED);
+           }
+         icon_type = entry->icon_type;
+         if (icon_type == ICON_REGULAR)
+           {
+             fill_in_mime_type (folder_unix);
+             *mime_type = entry->mime_type;
+           }
+
+         return icon_type;
+       }
+    }
+
+  icon_type = get_icon_type (filename, NULL);
+  if (icon_type == ICON_REGULAR)
+    *mime_type = xdg_mime_get_mime_type_for_file (filename);
+
+  return icon_type;
+}
+
+/* Renders an icon for a non-ICON_REGULAR file */
+static GdkPixbuf *
+get_special_icon (IconType           icon_type,
+                 const GtkFilePath *path,
+                 GtkWidget         *widget,
+                 gint               pixel_size)
+{
+  const char *name;
+
+  g_assert (icon_type != ICON_REGULAR);
+
+  switch (icon_type)
+    {
+    case ICON_BLOCK_DEVICE:
+      name = "gnome-fs-blockdev";
+      break;
+    case ICON_BROKEN_SYMBOLIC_LINK:
+      name = "gnome-fs-symlink";
+      break;
+    case ICON_CHARACTER_DEVICE:
+      name = "gnome-fs-chardev";
+      break;
+    case ICON_DIRECTORY: {
+      const char *filename;
+
+      filename = gtk_file_path_get_string (path);
+      name = get_icon_name_for_directory (filename);
+      break;
+      }
+    case ICON_EXECUTABLE:
+      name ="gnome-fs-executable";
+      break;
+    case ICON_FIFO:
+      name = "gnome-fs-fifo";
+      break;
+    case ICON_SOCKET:
+      name = "gnome-fs-socket";
+      break;
+    default:
+      g_assert_not_reached ();
+      return NULL;
+    }
+
+  return get_cached_icon (widget, name, pixel_size);
+}
+
+static GdkPixbuf *
+get_icon_for_mime_type (GtkWidget  *widget,
+                       const char *mime_type,
+                       gint        pixel_size)
+{
+  const char *separator;
+  GString *icon_name;
+  GdkPixbuf *pixbuf;
+
+  separator = strchr (mime_type, '/');
+  if (!separator)
+    return NULL; /* maybe we should return a GError with "invalid MIME-type" */
+
+  icon_name = g_string_new ("gnome-mime-");
+  g_string_append_len (icon_name, mime_type, separator - mime_type);
+  g_string_append_c (icon_name, '-');
+  g_string_append (icon_name, separator + 1);
+  pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
+  g_string_free (icon_name, TRUE);
+  if (pixbuf)
+    return pixbuf;
+
+  icon_name = g_string_new ("gnome-mime-");
+  g_string_append_len (icon_name, mime_type, separator - mime_type);
+  pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
+  g_string_free (icon_name, TRUE);
+
+  return pixbuf;
+}
+
+static GdkPixbuf *
+gtk_file_system_unix_render_icon (GtkFileSystem     *file_system,
+                                 const GtkFilePath *path,
+                                 GtkWidget         *widget,
+                                 gint               pixel_size,
+                                 GError           **error)
+{
+  GtkFileSystemUnix *system_unix;
+  IconType icon_type;
+  const char *mime_type;
+  GdkPixbuf *pixbuf;
+
+  system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
+
+  icon_type = get_icon_type_from_path (system_unix, path, &mime_type);
+
+  switch (icon_type) {
+  case ICON_NONE:
+    goto fallback;
+
+  case ICON_REGULAR:
+    pixbuf = get_icon_for_mime_type (widget, mime_type, pixel_size);
+    break;
+
+  default:
+    pixbuf = get_special_icon (icon_type, path, widget, pixel_size);
+  }
+
+  if (pixbuf)
+    goto out;
+
+ fallback:
+
+  pixbuf = get_cached_icon (widget, "gnome-fs-regular", pixel_size);
+  if (pixbuf)
+    goto out;
+
+  pixbuf = get_fallback_icon (widget, icon_type, error);
+
+ out:
+
+  return pixbuf;
+}
+
+static void
+bookmark_list_free (GSList *list)
+{
+  GSList *l;
+
+  for (l = list; l; l = l->next)
+    g_free (l->data);
+
+  g_slist_free (list);
+}
+
+/* Returns whether a URI is a local file:// */
+static gboolean
+is_local_uri (const char *uri)
+{
+  char *filename;
+  char *hostname;
+  gboolean result;
+
+  /* This is rather crude, but hey */
+  filename = g_filename_from_uri (uri, &hostname, NULL);
+
+  result = (filename && !hostname);
+
+  g_free (filename);
+  g_free (hostname);
+
+  return result;
+}
+
+static char *
+bookmark_get_filename (void)
+{
+  char *filename;
+
+  filename = g_build_filename (g_get_home_dir (), 
+                              BOOKMARKS_FILENAME, NULL);
+  g_assert (filename != NULL);
+  return filename;
+}
+
+static gboolean
+bookmark_list_read (GSList **bookmarks, GError **error)
+{
+  gchar *filename;
+  gchar *contents;
+  gboolean result = FALSE;
+
+  filename = bookmark_get_filename ();
+  *bookmarks = NULL;
+
+  if (g_file_get_contents (filename, &contents, NULL, error))
+    {
+      gchar **lines = g_strsplit (contents, "\n", -1);
+      int i;
+      GHashTable *table;
+
+      table = g_hash_table_new (g_str_hash, g_str_equal);
+
+      for (i = 0; lines[i]; i++)
+       {
+         if (lines[i][0] && !g_hash_table_lookup (table, lines[i]))
+           {
+             *bookmarks = g_slist_prepend (*bookmarks, g_strdup (lines[i]));
+             g_hash_table_insert (table, lines[i], lines[i]);
+           }
+       }
+
+      g_free (contents);
+      g_hash_table_destroy (table);
+      g_strfreev (lines);
+
+      *bookmarks = g_slist_reverse (*bookmarks);
+      result = TRUE;
+    }
+
+  g_free (filename);
+
+  return result;
+}
+
+static gboolean
+bookmark_list_write (GSList  *bookmarks, 
+                    GError **error)
+{
+  GSList *l;
+  GString *string;
+  char *filename;
+  GError *tmp_error = NULL;
+  gboolean result;
+
+  string = g_string_new ("");
+
+  for (l = bookmarks; l; l = l->next)
+    {
+      g_string_append (string, l->data);
+      g_string_append_c (string, '\n');
+    }
+
+  filename = bookmark_get_filename ();
+
+  result = g_file_set_contents (filename, string->str, -1, &tmp_error);
+
+  g_free (filename);
+  g_string_free (string, TRUE);
+
+  if (!result)
+    {
+      g_set_error (error,
+                  GTK_FILE_SYSTEM_ERROR,
+                  GTK_FILE_SYSTEM_ERROR_FAILED,
+                  _("Bookmark saving failed: %s"),
+                  tmp_error->message);
+      
+      g_error_free (tmp_error);
+    }
+
+  return result;
+}
+
+static gboolean
+gtk_file_system_unix_insert_bookmark (GtkFileSystem     *file_system,
+                                     const GtkFilePath *path,
+                                     gint               position,
+                                     GError           **error)
+{
+  GSList *bookmarks;
+  int num_bookmarks;
+  GSList *l;
+  char *uri;
+  gboolean result;
+  GError *err;
+
+  err = NULL;
+  if (!bookmark_list_read (&bookmarks, &err) && err->code != G_FILE_ERROR_NOENT)
+    {
+      g_propagate_error (error, err);
+      return FALSE;
+    }
+
+  num_bookmarks = g_slist_length (bookmarks);
+  g_return_val_if_fail (position >= -1 && position <= num_bookmarks, FALSE);
+
+  result = FALSE;
+
+  uri = gtk_file_system_unix_path_to_uri (file_system, path);
+
+  for (l = bookmarks; l; l = l->next)
+    {
+      char *bookmark, *space;
+
+      bookmark = l->data;
+      
+      space = strchr (bookmark, ' ');
+      if (space)
+       *space = '\0';
+      if (strcmp (bookmark, uri) != 0)
+       {
+         if (space)
+           *space = ' ';
+       }
+      else
+       {
+         g_set_error (error,
+                      GTK_FILE_SYSTEM_ERROR,
+                      GTK_FILE_SYSTEM_ERROR_ALREADY_EXISTS,
+                      _("'%s' already exists in the bookmarks list"),
+                      uri);
+         goto out;
+       }
+    }
+
+  bookmarks = g_slist_insert (bookmarks, g_strdup (uri), position);
+  if (bookmark_list_write (bookmarks, error))
+    {
+      result = TRUE;
+      g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
+    }
+
+ out:
+
+  g_free (uri);
+  bookmark_list_free (bookmarks);
+
+  return result;
+}
+
+static gboolean
+gtk_file_system_unix_remove_bookmark (GtkFileSystem     *file_system,
+                                     const GtkFilePath *path,
+                                     GError           **error)
+{
+  GSList *bookmarks;
+  char *uri;
+  GSList *l;
+  gboolean result;
+
+  if (!bookmark_list_read (&bookmarks, error))
+    return FALSE;
+
+  result = FALSE;
+
+  uri = gtk_file_system_path_to_uri (file_system, path);
+
+  for (l = bookmarks; l; l = l->next)
+    {
+      char *bookmark, *space;
+
+      bookmark = (char *)l->data;
+      space = strchr (bookmark, ' ');
+      if (space)
+       *space = '\0';
+
+      if (strcmp (bookmark, uri) != 0)
+       {
+         if (space)
+           *space = ' ';
+       }
+      else
+       {
+         g_free (l->data);
+         bookmarks = g_slist_remove_link (bookmarks, l);
+         g_slist_free_1 (l);
+
+         if (bookmark_list_write (bookmarks, error))
+           {
+             result = TRUE;
+
+             g_signal_emit_by_name (file_system, "bookmarks-changed", 0);            
+           }
+
+         goto out;
+       }
+    }
+
+  g_set_error (error,
+              GTK_FILE_SYSTEM_ERROR,
+              GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
+              _("'%s' does not exist in the bookmarks list"),
+              uri);
+
+ out:
+
+  g_free (uri);
+  bookmark_list_free (bookmarks);
+
+  return result;
+}
+
+static GSList *
+gtk_file_system_unix_list_bookmarks (GtkFileSystem *file_system)
+{
+  GSList *bookmarks;
+  GSList *result;
+  GSList *l;
+
+  if (!bookmark_list_read (&bookmarks, NULL))
+    return NULL;
+
+  result = NULL;
+
+  for (l = bookmarks; l; l = l->next)
+    {
+      char *bookmark, *space;
+
+      bookmark = (char *)l->data;
+      space = strchr (bookmark, ' ');
+      if (space)
+       *space = '\0';
+
+      if (is_local_uri (bookmark))
+       result = g_slist_prepend (result, gtk_file_system_unix_uri_to_path (file_system, bookmark));
+    }
+
+  bookmark_list_free (bookmarks);
+
+  result = g_slist_reverse (result);
+  return result;
+}
+
+static gchar *
+gtk_file_system_unix_get_bookmark_label (GtkFileSystem     *file_system,
+                                        const GtkFilePath *path)
+{
+  GSList *labels;
+  gchar *label;
+  GSList *l;
+  char *bookmark, *space, *uri;
+  
+  labels = NULL;
+  label = NULL;
+
+  uri = gtk_file_system_path_to_uri (file_system, path);
+  bookmark_list_read (&labels, NULL);
+
+  for (l = labels; l && !label; l = l->next) 
+    {
+      bookmark = (char *)l->data;
+      space = strchr (bookmark, ' ');
+      if (!space)
+       continue;
+
+      *space = '\0';
+
+      if (strcmp (uri, bookmark) == 0)
+       label = g_strdup (space + 1);
+    }
+
+  bookmark_list_free (labels);
+  g_free (uri);
+
+  return label;
+}
+
+static void
+gtk_file_system_unix_set_bookmark_label (GtkFileSystem     *file_system,
+                                        const GtkFilePath *path,
+                                        const gchar       *label)
+{
+  GSList *labels;
+  GSList *l;
+  gchar *bookmark, *space, *uri;
+  gboolean found;
+
+  labels = NULL;
+
+  uri = gtk_file_system_path_to_uri (file_system, path);
+  bookmark_list_read (&labels, NULL);
+
+  found = FALSE;
+  for (l = labels; l && !found; l = l->next) 
+    {
+      bookmark = (gchar *)l->data;
+      space = strchr (bookmark, ' ');
+      if (space)
+       *space = '\0';
+
+      if (strcmp (bookmark, uri) != 0)
+       {
+         if (space)
+           *space = ' ';
+       }
+      else
+       {
+         g_free (bookmark);
+         
+         if (label && *label)
+           l->data = g_strdup_printf ("%s %s", uri, label);
+         else
+           l->data = g_strdup (uri);
+
+         found = TRUE;
+         break;
+       }
+    }
+
+  if (found)
+    {
+      if (bookmark_list_write (labels, NULL))
+       g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
+    }
+  
+  bookmark_list_free (labels);
+  g_free (uri);
+}
+
+/*
+ * GtkFileFolderUnix
+ */
+static GType
+gtk_file_folder_unix_get_type (void)
+{
+  static GType file_folder_unix_type = 0;
+
+  if (!file_folder_unix_type)
+    {
+      static const GTypeInfo file_folder_unix_info =
+      {
+       sizeof (GtkFileFolderUnixClass),
+       NULL,           /* base_init */
+       NULL,           /* base_finalize */
+       (GClassInitFunc) gtk_file_folder_unix_class_init,
        NULL,           /* class_finalize */
        NULL,           /* class_data */
        sizeof (GtkFileFolderUnix),
@@ -738,6 +1771,7 @@ gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface)
 {
   iface->get_info = gtk_file_folder_unix_get_info;
   iface->list_children = gtk_file_folder_unix_list_children;
+  iface->is_finished_loading = gtk_file_folder_unix_is_finished_loading;
 }
 
 static void
@@ -750,207 +1784,445 @@ gtk_file_folder_unix_finalize (GObject *object)
 {
   GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (object);
 
+  g_hash_table_remove (folder_unix->system_unix->folder_hash, folder_unix->filename);
+
+  if (folder_unix->stat_info)
+    {
+#if 0
+      g_print ("Releasing information for directory %s\n", folder_unix->filename);
+#endif
+      g_hash_table_destroy (folder_unix->stat_info);
+    }
+
   g_free (folder_unix->filename);
 
   folder_parent_class->finalize (object);
 }
 
+/* Creates a GtkFileInfo for "/" by stat()ing it */
 static GtkFileInfo *
-gtk_file_folder_unix_get_info (GtkFileFolder  *folder,
-                              const GtkFilePath    *path,
-                              GError        **error)
+file_info_for_root_with_error (const char  *root_name,
+                              GError     **error)
 {
-  GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
+  struct stat statbuf;
   GtkFileInfo *info;
-  gchar *dirname;
-  gchar *filename;
 
-  filename = filename_from_path (path);
-  g_return_val_if_fail (filename != NULL, NULL);
+  if (stat (root_name, &statbuf) != 0)
+    {
+      int saved_errno;
 
-  dirname = g_path_get_dirname (filename);
-  g_return_val_if_fail (strcmp (dirname, folder_unix->filename) == 0, NULL);
-  g_free (dirname);
+      saved_errno = errno; 
+      g_set_error (error,
+                  GTK_FILE_SYSTEM_ERROR,
+                  GTK_FILE_SYSTEM_ERROR_FAILED,
+                  _("Error getting information for '/': %s"),
+                  g_strerror (saved_errno));
 
-  info = filename_get_info (filename, folder_unix->types, error);
+      return NULL;
+    }
 
-  g_free (filename);
+  info = gtk_file_info_new ();
+  gtk_file_info_set_display_name (info, "/");
+  gtk_file_info_set_is_folder (info, TRUE);
+  gtk_file_info_set_is_hidden (info, FALSE);
+  gtk_file_info_set_mime_type (info, "x-directory/normal");
+  gtk_file_info_set_modification_time (info, statbuf.st_mtime);
+  gtk_file_info_set_size (info, statbuf.st_size);
 
   return info;
 }
 
 static gboolean
-gtk_file_folder_unix_list_children (GtkFileFolder  *folder,
-                                   GSList        **children,
-                                   GError        **error)
+stat_with_error (const char   *filename,
+                struct stat  *statbuf,
+                GError      **error)
 {
-  GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
-  GError *tmp_error = NULL;
-  GDir *dir;
+  if (stat (filename, statbuf) == -1 &&
+      (errno != ENOENT || lstat (filename, statbuf) == -1))
+    {
+      int saved_errno;
+      int code;
+      char *display_name;
 
-  *children = NULL;
+      saved_errno = errno;
 
-  dir = g_dir_open (folder_unix->filename, 0, &tmp_error);
-  if (!dir)
-    {
+      if (saved_errno == ENOENT)
+       code = GTK_FILE_SYSTEM_ERROR_NONEXISTENT;
+      else
+       code = GTK_FILE_SYSTEM_ERROR_FAILED;
+
+      display_name = g_filename_display_name (filename);
       g_set_error (error,
                   GTK_FILE_SYSTEM_ERROR,
-                  GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
-                  "%s",
-                  tmp_error->message);
-
-      g_error_free (tmp_error);
+                  code,
+                  _("Error getting information for '%s': %s"),
+                  display_name,
+                  g_strerror (saved_errno));
 
+      g_free (display_name);
       return FALSE;
     }
 
-  while (TRUE)
-    {
-      const gchar *filename = g_dir_read_name (dir);
-      gchar *fullname;
+  return TRUE;
+}
 
-      if (!filename)
-       break;
+/* Creates a new GtkFileInfo from the specified data */
+static GtkFileInfo *
+create_file_info (GtkFileFolderUnix *folder_unix,
+                  const char        *filename,
+                 const char        *basename,
+                 GtkFileInfoType    types,
+                 struct stat       *statbuf,
+                 const char        *mime_type)
+{
+  GtkFileInfo *info;
 
-      fullname = g_build_filename (folder_unix->filename, filename, NULL);
-      *children = g_slist_prepend (*children, filename_to_path (fullname));
-      g_free (fullname);
+  info = gtk_file_info_new ();
+  
+  if (types & GTK_FILE_INFO_DISPLAY_NAME)
+    {
+      gchar *display_name = g_filename_display_basename (filename);
+      gtk_file_info_set_display_name (info, display_name);
+      g_free (display_name);
     }
 
-  g_dir_close (dir);
+  if (types & GTK_FILE_INFO_IS_HIDDEN)
+    {
+      if (file_is_hidden (folder_unix, basename))
+       gtk_file_info_set_is_hidden (info, TRUE);
+    }
 
-  *children = g_slist_reverse (*children);
+  if (types & GTK_FILE_INFO_IS_FOLDER)
+    gtk_file_info_set_is_folder (info, S_ISDIR (statbuf->st_mode));
 
-  return TRUE;
+  if (types & GTK_FILE_INFO_MIME_TYPE)
+    gtk_file_info_set_mime_type (info, mime_type);
+
+  if (types & GTK_FILE_INFO_MODIFICATION_TIME)
+    gtk_file_info_set_modification_time (info, statbuf->st_mtime);
+
+  if (types & GTK_FILE_INFO_SIZE)
+    gtk_file_info_set_size (info, (gint64) statbuf->st_size);
+
+  return info;
+}
+
+static struct stat_info_entry *
+create_stat_info_entry_and_emit_add (GtkFileFolderUnix *folder_unix,
+                                    const char        *filename,
+                                    const char        *basename,
+                                    struct stat       *statbuf)
+{
+  GSList *paths;
+  GtkFilePath *path;
+  struct stat_info_entry *entry;
+
+  entry = g_new0 (struct stat_info_entry, 1);
+
+  if ((folder_unix->types & STAT_NEEDED_MASK) != 0)
+    entry->statbuf = *statbuf;
+
+  if ((folder_unix->types & GTK_FILE_INFO_MIME_TYPE) != 0)
+    entry->mime_type = g_strdup (xdg_mime_get_mime_type_for_file (filename));
+
+  g_hash_table_insert (folder_unix->stat_info,
+                      g_strdup (basename),
+                      entry);
+
+  path = gtk_file_path_new_dup (filename);
+  paths = g_slist_append (NULL, path);
+  g_signal_emit_by_name (folder_unix, "files-added", paths);
+  gtk_file_path_free (path);
+  g_slist_free (paths);
+
+  return entry;
 }
 
 static GtkFileInfo *
-filename_get_info (const gchar     *filename,
-                  GtkFileInfoType  types,
-                  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;
-#if 0
-  GtkFileIconType icon_type = GTK_FILE_ICON_REGULAR;
-#endif
+  gchar *dirname, *basename;
+  const char *filename;
+  GtkFileInfoType types;
   struct stat statbuf;
+  const char *mime_type;
 
-  /* If stat fails, try to fall back to lstat to catch broken links
-   */
-  if (stat (filename, &statbuf) != 0 &&
-      lstat (filename, &statbuf) != 0)
+  /* Get_info for "/" */
+  if (!path)
     {
-      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 (errno));
-      g_free (filename_utf8);
-
-      return NULL;
+      g_return_val_if_fail (filename_is_root (folder_unix->filename), NULL);
+      return file_info_for_root_with_error (folder_unix->filename, error);
     }
 
-  info = gtk_file_info_new ();
+  /* Get_info for normal files */
 
-  if (filename_is_root (filename))
-    {
-      if (types & GTK_FILE_INFO_DISPLAY_NAME)
-       gtk_file_info_set_display_name (info, "/");
+  filename = gtk_file_path_get_string (path);
+  g_return_val_if_fail (filename != NULL, NULL);
+  g_return_val_if_fail (g_path_is_absolute (filename), NULL);
 
-      if (types & GTK_FILE_INFO_IS_HIDDEN)
-       gtk_file_info_set_is_hidden (info, FALSE);
-    }
-  else
+  dirname = get_parent_dir (filename);
+  g_return_val_if_fail (strcmp (dirname, folder_unix->filename) == 0, NULL);
+  g_free (dirname);
+
+  basename = g_path_get_basename (filename);
+  types = folder_unix->types;
+
+  if (folder_unix->have_stat)
     {
-      gchar *basename = g_path_get_basename (filename);
+      struct stat_info_entry *entry;
 
-      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);
+      g_assert (folder_unix->stat_info != NULL);
+      entry = g_hash_table_lookup (folder_unix->stat_info, basename);
 
-         gtk_file_info_set_display_name (info, display_name);
+      if (!entry)
+       {
+         if (!stat_with_error (filename, &statbuf, error))
+           {
+             g_free (basename);
+             return NULL;
+           }
 
-         g_free (display_name);
+         entry = create_stat_info_entry_and_emit_add (folder_unix, filename, basename, &statbuf);
        }
 
-      if (types & GTK_FILE_INFO_IS_HIDDEN)
+      info = create_file_info (folder_unix, filename, basename, types, &entry->statbuf, entry->mime_type);
+      g_free (basename);
+      return info;
+    }
+  else
+    {
+      if (!stat_with_error (filename, &statbuf, error))
        {
-         gtk_file_info_set_is_hidden (info, basename[0] == '.');
+         g_free (basename);
+         return NULL;
        }
 
+      if ((types & GTK_FILE_INFO_MIME_TYPE) != 0)
+       mime_type = xdg_mime_get_mime_type_for_file (filename);
+      else
+       mime_type = NULL;
+
+      info = create_file_info (folder_unix, filename, basename, types, &statbuf, mime_type);
       g_free (basename);
+      return info;
     }
+}
 
-  if (types & GTK_FILE_INFO_IS_FOLDER)
-    {
-      gtk_file_info_set_is_folder (info, S_ISDIR (statbuf.st_mode));
-   }
 
-#if 0
-  if (types & GTK_FILE_INFO_ICON)
-    {
-      if (S_ISBLK (statbuf.st_mode))
-       icon_type = GTK_FILE_ICON_BLOCK_DEVICE;
-      else if (S_ISLNK (statbuf.st_mode))
-       icon_type = GTK_FILE_ICON_BROKEN_SYMBOLIC_LINK;
-      else if (S_ISCHR (statbuf.st_mode))
-       icon_type = GTK_FILE_ICON_CHARACTER_DEVICE;
-      else if (S_ISDIR (statbuf.st_mode))
-       icon_type = GTK_FILE_ICON_DIRECTORY;
-      else if (S_ISFIFO (statbuf.st_mode))
-       icon_type =  GTK_FILE_ICON_FIFO;
-      else if (S_ISSOCK (statbuf.st_mode))
-       icon_type = GTK_FILE_ICON_SOCKET;
-
-      gtk_file_info_set_icon_type (info, icon_type);
-    }
-
-  if ((types & GTK_FILE_INFO_MIME_TYPE) ||
-      ((types & GTK_FILE_INFO_ICON) && icon_type == GTK_FILE_ICON_REGULAR))
-#else
-  if (types & GTK_FILE_INFO_MIME_TYPE)
-#endif
-    {
-      const char *mime_type = xdg_mime_get_mime_type_for_file (filename);
-      gtk_file_info_set_mime_type (info, mime_type);
+static void
+cb_list_children (gpointer key, gpointer value, gpointer user_data)
+{
+  GSList **children = user_data;
+  *children = g_slist_prepend (*children, key);
+}
 
-#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
-    }
+static gboolean
+gtk_file_folder_unix_list_children (GtkFileFolder  *folder,
+                                   GSList        **children,
+                                   GError        **error)
+{
+  GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
+  GSList *l;
 
-  if (types & GTK_FILE_INFO_MODIFICATION_TIME)
+  if (!fill_in_names (folder_unix, error))
+    return FALSE;
+
+  *children = NULL;
+
+  /* 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)
     {
-      gtk_file_info_set_modification_time (info, statbuf.st_mtime);
+      const char *basename = l->data;
+      char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
+      l->data = filename_to_path (fullname);
+      g_free (fullname);
     }
 
-  if (types & GTK_FILE_INFO_SIZE)
+  return TRUE;
+}
+
+static gboolean
+gtk_file_folder_unix_is_finished_loading (GtkFileFolder *folder)
+{
+  /* Since we don't do asynchronous loads, we are always finished loading */
+  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;
+
+  dir = g_dir_open (folder_unix->filename, 0, error);
+  if (!dir)
+    return FALSE;
+
+  folder_unix->stat_info = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                 (GDestroyNotify) g_free,
+                                                 (GDestroyNotify) free_stat_info_entry);
+
+  while (TRUE)
     {
-      gtk_file_info_set_size (info, (gint64)statbuf.st_size);
+      struct stat_info_entry *entry;
+      const gchar *basename;
+
+      basename = g_dir_read_name (dir);
+      if (!basename)
+       break;
+
+      entry = g_new0 (struct stat_info_entry, 1);
+      if (folder_unix->is_network_dir)
+       {
+         entry->statbuf.st_mode = S_IFDIR;
+         entry->mime_type = g_strdup ("x-directory/normal");
+       }
+
+      g_hash_table_insert (folder_unix->stat_info,
+                          g_strdup (basename),
+                          entry);
     }
 
-  return info;
+  g_dir_close (dir);
+
+  folder_unix->asof = time (NULL);
+  return TRUE;
 }
 
-static gchar *
-filename_from_path (const GtkFilePath *path)
+static gboolean
+cb_fill_in_stats (gpointer key, gpointer value, gpointer user_data)
 {
-  return g_strdup (gtk_file_path_get_string (path));
+  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;
+
+  if (stat (fullname, &entry->statbuf) == -1 &&
+      (errno != ENOENT || lstat (fullname, &entry->statbuf) == -1))
+    result = TRUE;  /* Couldn't stat -- remove from hash.  */
+  else
+    result = FALSE;
+
+  g_free (fullname);
+  return result;
+}
+
+
+static void
+fill_in_stats (GtkFileFolderUnix *folder_unix)
+{
+  if (folder_unix->have_stat)
+    return;
+
+  if (!fill_in_names (folder_unix, NULL))
+    return;
+
+  if (!folder_unix->is_network_dir)
+    g_hash_table_foreach_remove (folder_unix->stat_info,
+                                cb_fill_in_stats,
+                                folder_unix);
+
+  folder_unix->have_stat = TRUE;
+}
+
+
+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);
+
+  /* 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);
+
+  g_free (fullname);
+  /* FIXME: free on NULL?  */
+  return FALSE;
+}
+
+static void
+fill_in_mime_type (GtkFileFolderUnix *folder_unix)
+{
+  if (folder_unix->have_mime_type)
+    return;
+
+  if (!folder_unix->have_stat)
+    return;
+
+  g_assert (folder_unix->stat_info != NULL);
+
+  if (!folder_unix->is_network_dir)
+    g_hash_table_foreach_remove (folder_unix->stat_info,
+                                cb_fill_in_mime_type,
+                                folder_unix);
+
+  folder_unix->have_mime_type = TRUE;
+}
+
+static void
+fill_in_hidden (GtkFileFolderUnix *folder_unix)
+{
+  gchar *hidden_file;
+  gchar *contents;
+  
+  if (folder_unix->have_hidden)
+    return;
+
+  hidden_file = g_build_filename (folder_unix->filename, HIDDEN_FILENAME, NULL);
+
+  if (g_file_get_contents (hidden_file, &contents, NULL, NULL))
+    {
+      gchar **lines; 
+      int i;
+      
+      lines = g_strsplit (contents, "\n", -1);
+      for (i = 0; lines[i]; i++)
+       {
+         if (lines[i][0])
+           {
+             struct stat_info_entry *entry;
+             
+             entry = g_hash_table_lookup (folder_unix->stat_info, lines[i]);
+             if (entry != NULL)
+               entry->hidden = TRUE;
+           }
+       }
+      
+      g_strfreev (lines);
+      g_free (contents);
+    }
+
+  g_free (hidden_file);
+  folder_unix->have_hidden = TRUE;
 }
 
 static GtkFilePath *
 filename_to_path (const char *filename)
 {
-  return gtk_file_path_new_dup (filename);
+  char *tmp;
+
+  tmp = remove_trailing_slash (filename);
+  return gtk_file_path_new_steal (tmp);
 }
 
 static gboolean
@@ -962,3 +2234,28 @@ filename_is_root (const char *filename)
 
   return (after_root != NULL && *after_root == '\0');
 }
+
+static gboolean
+file_is_hidden (GtkFileFolderUnix *folder_unix,
+               const char        *basename)
+{
+ struct stat_info_entry *entry;
+
+  if (basename[0] == '.' || basename[strlen (basename) - 1] == '~')
+    return TRUE;
+  if (folder_unix->have_stat)
+    {
+      fill_in_hidden (folder_unix);
+      
+      entry = g_hash_table_lookup (folder_unix->stat_info, basename);
+  
+      if (entry)
+       return entry->hidden;
+    }
+
+  return FALSE;
+}
+
+#define __GTK_FILE_SYSTEM_UNIX_C__
+#include "gtkaliasdef.c"