/* GTK - The GIMP Toolkit * gtkfilesystemunix.c: Default implementation of GtkFileSystem for UNIX-like systems * Copyright (C) 2003, Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include "gtkfilesystem.h" #include "gtkfilesystemunix.h" #include "gtkicontheme.h" #include "gtkintl.h" #define XDG_PREFIX _gtk_xdg #include "xdgmime/xdgmime.h" #include #include #include #include #include #include #include #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)) #define GTK_IS_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_UNIX)) #define GTK_FILE_SYSTEM_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass)) struct _GtkFileSystemUnixClass { GObjectClass parent_class; }; struct _GtkFileSystemUnix { GObject parent_instance; GHashTable *folder_hash; }; /* Icon type, supplemented by MIME type */ typedef enum { ICON_UNDECIDED, ICON_NONE, 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)) #define GTK_IS_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FILE_FOLDER_UNIX)) #define GTK_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass)) #define GTK_IS_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_FOLDER_UNIX)) #define GTK_FILE_FOLDER_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass)) typedef struct _GtkFileFolderUnix GtkFileFolderUnix; typedef struct _GtkFileFolderUnixClass GtkFileFolderUnixClass; struct _GtkFileFolderUnixClass { GObjectClass parent_class; }; struct _GtkFileFolderUnix { GObject parent_instance; 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 void gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class); static void gtk_file_system_unix_iface_init (GtkFileSystemIface *iface); static void gtk_file_system_unix_init (GtkFileSystemUnix *impl); static void gtk_file_system_unix_finalize (GObject *object); static GSList * gtk_file_system_unix_list_volumes (GtkFileSystem *file_system); static GtkFileSystemVolume *gtk_file_system_unix_get_volume_for_path (GtkFileSystem *file_system, const GtkFilePath *path); static GtkFileFolder *gtk_file_system_unix_get_folder (GtkFileSystem *file_system, const GtkFilePath *path, GtkFileInfoType types, GError **error); static gboolean gtk_file_system_unix_create_folder (GtkFileSystem *file_system, const GtkFilePath *path, GError **error); static void gtk_file_system_unix_volume_free (GtkFileSystem *file_system, GtkFileSystemVolume *volume); static GtkFilePath *gtk_file_system_unix_volume_get_base_path (GtkFileSystem *file_system, GtkFileSystemVolume *volume); static gboolean gtk_file_system_unix_volume_get_is_mounted (GtkFileSystem *file_system, GtkFileSystemVolume *volume); static gboolean gtk_file_system_unix_volume_mount (GtkFileSystem *file_system, GtkFileSystemVolume *volume, GError **error); static gchar * gtk_file_system_unix_volume_get_display_name (GtkFileSystem *file_system, GtkFileSystemVolume *volume); static GdkPixbuf * gtk_file_system_unix_volume_render_icon (GtkFileSystem *file_system, GtkFileSystemVolume *volume, GtkWidget *widget, gint pixel_size, GError **error); static gboolean gtk_file_system_unix_get_parent (GtkFileSystem *file_system, const GtkFilePath *path, GtkFilePath **parent, GError **error); static GtkFilePath * gtk_file_system_unix_make_path (GtkFileSystem *file_system, const GtkFilePath *base_path, const gchar *display_name, GError **error); static gboolean gtk_file_system_unix_parse (GtkFileSystem *file_system, const GtkFilePath *base_path, const gchar *str, GtkFilePath **folder, gchar **file_part, GError **error); static gchar * gtk_file_system_unix_path_to_uri (GtkFileSystem *file_system, const GtkFilePath *path); static gchar * gtk_file_system_unix_path_to_filename (GtkFileSystem *file_system, const GtkFilePath *path); static GtkFilePath *gtk_file_system_unix_uri_to_path (GtkFileSystem *file_system, const gchar *uri); static GtkFilePath *gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system, const gchar *filename); static GdkPixbuf *gtk_file_system_unix_render_icon (GtkFileSystem *file_system, const GtkFilePath *path, GtkWidget *widget, gint pixel_size, GError **error); 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 GType gtk_file_folder_unix_get_type (void); static void gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class); static void gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface); static void gtk_file_folder_unix_init (GtkFileFolderUnix *impl); static void gtk_file_folder_unix_finalize (GObject *object); static GtkFileInfo *gtk_file_folder_unix_get_info (GtkFileFolder *folder, const GtkFilePath *path, GError **error); static gboolean gtk_file_folder_unix_list_children (GtkFileFolder *folder, GSList **children, GError **error); static GtkFilePath *filename_to_path (const gchar *filename); static gboolean filename_is_root (const char *filename); 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); /* * GtkFileSystemUnix */ GType gtk_file_system_unix_get_type (void) { static GType file_system_unix_type = 0; if (!file_system_unix_type) { static const GTypeInfo file_system_unix_info = { sizeof (GtkFileSystemUnixClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_file_system_unix_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkFileSystemUnix), 0, /* n_preallocs */ (GInstanceInitFunc) gtk_file_system_unix_init, }; static const GInterfaceInfo file_system_info = { (GInterfaceInitFunc) gtk_file_system_unix_iface_init, /* interface_init */ NULL, /* interface_finalize */ NULL /* interface_data */ }; file_system_unix_type = g_type_register_static (G_TYPE_OBJECT, "GtkFileSystemUnix", &file_system_unix_info, 0); g_type_add_interface_static (file_system_unix_type, GTK_TYPE_FILE_SYSTEM, &file_system_info); } return file_system_unix_type; } /** * gtk_file_system_unix_new: * * Creates a new #GtkFileSystemUnix object. #GtkFileSystemUnix * implements the #GtkFileSystem interface with direct access to * the filesystem using Unix/Linux API calls * * Return value: the new #GtkFileSystemUnix object **/ GtkFileSystem * gtk_file_system_unix_new (void) { return g_object_new (GTK_TYPE_FILE_SYSTEM_UNIX, NULL); } static void gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class) { GObjectClass *gobject_class = G_OBJECT_CLASS (class); system_parent_class = g_type_class_peek_parent (class); gobject_class->finalize = gtk_file_system_unix_finalize; } static void gtk_file_system_unix_iface_init (GtkFileSystemIface *iface) { iface->list_volumes = gtk_file_system_unix_list_volumes; iface->get_volume_for_path = gtk_file_system_unix_get_volume_for_path; iface->get_folder = gtk_file_system_unix_get_folder; iface->create_folder = gtk_file_system_unix_create_folder; iface->volume_free = gtk_file_system_unix_volume_free; iface->volume_get_base_path = gtk_file_system_unix_volume_get_base_path; iface->volume_get_is_mounted = gtk_file_system_unix_volume_get_is_mounted; iface->volume_mount = gtk_file_system_unix_volume_mount; iface->volume_get_display_name = gtk_file_system_unix_volume_get_display_name; iface->volume_render_icon = gtk_file_system_unix_volume_render_icon; iface->get_parent = gtk_file_system_unix_get_parent; iface->make_path = gtk_file_system_unix_make_path; iface->parse = gtk_file_system_unix_parse; iface->path_to_uri = gtk_file_system_unix_path_to_uri; iface->path_to_filename = gtk_file_system_unix_path_to_filename; 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->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; } static void gtk_file_system_unix_init (GtkFileSystemUnix *system_unix) { system_unix->folder_hash = g_hash_table_new (g_str_hash, g_str_equal); } 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); } /* Returns our single root volume */ static GtkFileSystemVolume * get_root_volume (void) { return (GtkFileSystemVolume *) gtk_file_path_new_dup ("/"); } static GSList * gtk_file_system_unix_list_volumes (GtkFileSystem *file_system) { return g_slist_append (NULL, get_root_volume ()); } static GtkFileSystemVolume * gtk_file_system_unix_get_volume_for_path (GtkFileSystem *file_system, const GtkFilePath *path) { 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; const char *filename; char *filename_copy; time_t now = time (NULL); 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 (now - folder_unix->asof >= FOLDER_CACHE_LIFETIME && folder_unix->stat_info) { #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; } g_object_ref (folder_unix); folder_unix->types |= types; types = folder_unix->types; } else { if (!g_file_test (filename, G_FILE_TEST_IS_DIR)) { int save_errno = errno; gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL); /* 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 = 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->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); } 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 gtk_file_system_unix_create_folder (GtkFileSystem *file_system, const GtkFilePath *path, GError **error) { GtkFileSystemUnix *system_unix; const char *filename; gboolean result; char *parent, *tmp; 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); tmp = remove_trailing_slash (filename); result = mkdir (tmp, 0777) == 0; g_free (tmp); if (!result) { 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 creating directory '%s': %s"), filename_utf8 ? filename_utf8 : "???", g_strerror (save_errno)); g_free (filename_utf8); return FALSE; } if (filename_is_root (filename)) return TRUE; /* hmmm, but with no notification */ parent = get_parent_dir (filename); if (parent) { GtkFileFolderUnix *folder_unix; folder_unix = g_hash_table_lookup (system_unix->folder_hash, parent); if (folder_unix) { GSList *paths; paths = g_slist_append (NULL, (GtkFilePath *) path); g_signal_emit_by_name (folder_unix, "files-added", paths); g_slist_free (paths); } } return TRUE; } static void gtk_file_system_unix_volume_free (GtkFileSystem *file_system, GtkFileSystemVolume *volume) { GtkFilePath *path; path = (GtkFilePath *) volume; gtk_file_path_free (path); } static GtkFilePath * gtk_file_system_unix_volume_get_base_path (GtkFileSystem *file_system, GtkFileSystemVolume *volume) { return gtk_file_path_new_dup ("/"); } static gboolean gtk_file_system_unix_volume_get_is_mounted (GtkFileSystem *file_system, GtkFileSystemVolume *volume) { return TRUE; } static gboolean gtk_file_system_unix_volume_mount (GtkFileSystem *file_system, GtkFileSystemVolume *volume, GError **error) { g_set_error (error, GTK_FILE_SYSTEM_ERROR, GTK_FILE_SYSTEM_ERROR_FAILED, _("This file system does not support mounting")); return FALSE; } static gchar * gtk_file_system_unix_volume_get_display_name (GtkFileSystem *file_system, GtkFileSystemVolume *volume) { 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; /* 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 *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); 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; } static GdkPixbuf * gtk_file_system_unix_volume_render_icon (GtkFileSystem *file_system, GtkFileSystemVolume *volume, GtkWidget *widget, gint pixel_size, GError **error) { /* FIXME: set the GError if we can't load the icon */ return get_cached_icon (widget, "gnome-fs-blockdev", pixel_size); } 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 gtk_file_system_unix_get_parent (GtkFileSystem *file_system, const GtkFilePath *path, GtkFilePath **parent, GError **error) { 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)) { *parent = NULL; } else { gchar *parent_filename = get_parent_dir (filename); *parent = filename_to_path (parent_filename); g_free (parent_filename); } return TRUE; } static GtkFilePath * gtk_file_system_unix_make_path (GtkFileSystem *file_system, const GtkFilePath *base_path, const gchar *display_name, GError **error) { const char *base_filename; gchar *filename; gchar *full_filename; GError *tmp_error = NULL; GtkFilePath *result; 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); filename = g_filename_from_utf8 (display_name, -1, NULL, NULL, &tmp_error); if (!filename) { g_set_error (error, GTK_FILE_SYSTEM_ERROR, GTK_FILE_SYSTEM_ERROR_BAD_FILENAME, "%s", tmp_error->message); g_error_free (tmp_error); return NULL; } full_filename = g_build_filename (base_filename, filename, NULL); result = filename_to_path (full_filename); g_free (filename); g_free (full_filename); return result; } /* If this was a publically exported function, it should return * a dup'ed result, but we make it modify-in-place for efficiency * here, and because it works for us. */ static void canonicalize_filename (gchar *filename) { gchar *p, *q; gboolean last_was_slash = FALSE; p = filename; q = filename; while (*p) { if (*p == G_DIR_SEPARATOR) { if (!last_was_slash) *q++ = G_DIR_SEPARATOR; last_was_slash = TRUE; } else { if (last_was_slash && *p == '.') { if (*(p + 1) == G_DIR_SEPARATOR || *(p + 1) == '\0') { if (*(p + 1) == '\0') break; p += 1; } else if (*(p + 1) == '.' && (*(p + 2) == G_DIR_SEPARATOR || *(p + 2) == '\0')) { if (q > filename + 1) { q--; while (q > filename + 1 && *(q - 1) != G_DIR_SEPARATOR) q--; } if (*(p + 2) == '\0') break; p += 2; } else { *q++ = *p; last_was_slash = FALSE; } } else { *q++ = *p; last_was_slash = FALSE; } } p++; } if (q > filename + 1 && *(q - 1) == G_DIR_SEPARATOR) q--; *q = '\0'; } static gboolean gtk_file_system_unix_parse (GtkFileSystem *file_system, const GtkFilePath *base_path, const gchar *str, GtkFilePath **folder, gchar **file_part, GError **error) { const char *base_filename; gchar *last_slash; gboolean result = FALSE; 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); if (!last_slash) { *folder = gtk_file_path_copy (base_path); *file_part = g_strdup (str); result = TRUE; } else { gchar *folder_part; gchar *folder_path; GError *tmp_error = NULL; if (last_slash == str) folder_part = g_strdup ("/"); else folder_part = g_filename_from_utf8 (str, last_slash - str, NULL, NULL, &tmp_error); if (!folder_part) { g_set_error (error, GTK_FILE_SYSTEM_ERROR, GTK_FILE_SYSTEM_ERROR_BAD_FILENAME, "%s", tmp_error->message); g_error_free (tmp_error); } else { if (folder_part[0] == G_DIR_SEPARATOR) folder_path = folder_part; else { folder_path = g_build_filename (base_filename, folder_part, NULL); g_free (folder_part); } canonicalize_filename (folder_path); *folder = filename_to_path (folder_path); *file_part = g_strdup (last_slash + 1); g_free (folder_path); result = TRUE; } } return result; } static gchar * gtk_file_system_unix_path_to_uri (GtkFileSystem *file_system, const GtkFilePath *path) { return g_filename_to_uri (gtk_file_path_get_string (path), NULL, NULL); } static gchar * gtk_file_system_unix_path_to_filename (GtkFileSystem *file_system, const GtkFilePath *path) { return g_strdup (gtk_file_path_get_string (path)); } static GtkFilePath * gtk_file_system_unix_uri_to_path (GtkFileSystem *file_system, const gchar *uri) { gchar *filename = g_filename_from_uri (uri, NULL, NULL); if (filename) return gtk_file_path_new_steal (filename); else return NULL; } static GtkFilePath * gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system, const gchar *filename) { return gtk_file_path_new_dup (filename); } static const char * get_icon_for_directory (const char *path) { static char *desktop_path = NULL; if (!g_get_home_dir ()) return "gnome-fs-directory"; if (!desktop_path) desktop_path = g_build_filename (g_get_home_dir (), "Desktop", 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"; } static GdkPixbuf * gtk_file_system_unix_render_icon (GtkFileSystem *file_system, const GtkFilePath *path, GtkWidget *widget, gint pixel_size, GError **error) { const char *filename; IconType icon_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); 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 { #if 0 g_print ("No folder open for %s\n", filename); #endif 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 * fails. */ if (icon_type == ICON_NONE) return NULL; if (icon_type != ICON_REGULAR) { const char *name; 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: name = get_icon_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); } if (mime_type) { const char *separator; GString *icon_name; GdkPixbuf *pixbuf; separator = strchr (mime_type, '/'); if (!separator) return NULL; 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); if (pixbuf) return pixbuf; } return get_cached_icon (widget, "gnome-fs-regular", pixel_size); } 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 (gboolean tmp_file) { char *filename; filename = g_build_filename (g_get_home_dir (), tmp_file ? BOOKMARKS_TMP_FILENAME : 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 (FALSE); *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) { char *tmp_filename; char *filename; gboolean result = TRUE; FILE *file; int fd; int saved_errno; /* First, write a temporary file */ tmp_filename = bookmark_get_filename (TRUE); filename = bookmark_get_filename (FALSE); fd = g_mkstemp (tmp_filename); if (fd == -1) { saved_errno = errno; goto io_error; } if ((file = fdopen (fd, "w")) != NULL) { GSList *l; for (l = bookmarks; l; l = l->next) if (fputs (l->data, file) == EOF || fputs ("\n", file) == EOF) { saved_errno = errno; goto io_error; } if (fclose (file) == EOF) { saved_errno = errno; goto io_error; } if (rename (tmp_filename, filename) == -1) { saved_errno = errno; goto io_error; } result = TRUE; goto out; } else { saved_errno = errno; /* fdopen() failed, so we can't do much error checking here anyway */ close (fd); } io_error: g_set_error (error, GTK_FILE_SYSTEM_ERROR, GTK_FILE_SYSTEM_ERROR_FAILED, _("Bookmark saving failed (%s)"), g_strerror (saved_errno)); result = FALSE; if (fd != -1) unlink (tmp_filename); /* again, not much error checking we can do here */ out: g_free (filename); g_free (tmp_filename); 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) { const char *bookmark; bookmark = l->data; if (strcmp (bookmark, uri) == 0) { 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) { const char *bookmark; bookmark = l->data; if (strcmp (bookmark, uri) == 0) { 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) { const char *name; name = l->data; if (is_local_uri (name)) result = g_slist_prepend (result, gtk_file_system_unix_uri_to_path (file_system, name)); } bookmark_list_free (bookmarks); result = g_slist_reverse (result); return result; } /* * 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), 0, /* n_preallocs */ (GInstanceInitFunc) gtk_file_folder_unix_init, }; static const GInterfaceInfo file_folder_info = { (GInterfaceInitFunc) gtk_file_folder_unix_iface_init, /* interface_init */ NULL, /* interface_finalize */ NULL /* interface_data */ }; file_folder_unix_type = g_type_register_static (G_TYPE_OBJECT, "GtkFileFolderUnix", &file_folder_unix_info, 0); g_type_add_interface_static (file_folder_unix_type, GTK_TYPE_FILE_FOLDER, &file_folder_info); } return file_folder_unix_type; } static void gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class) { GObjectClass *gobject_class = G_OBJECT_CLASS (class); folder_parent_class = g_type_class_peek_parent (class); gobject_class->finalize = gtk_file_folder_unix_finalize; } static void 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; } static void gtk_file_folder_unix_init (GtkFileFolderUnix *impl) { } static void 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); } static GtkFileInfo * 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, *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 (g_path_is_absolute (filename), NULL); 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; 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); GSList *l; 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) { 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; #if 0 g_print ("Reading directory %s\n", folder_unix->filename); #endif 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, _("error getting information for '%s': %s"), filename_utf8 ? filename_utf8 : "???", g_strerror (save_errno)); g_free (filename_utf8); return FALSE; } while (TRUE) { const gchar *basename = g_dir_read_name (dir); if (!basename) break; g_hash_table_insert (folder_unix->stat_info, g_strdup (basename), g_new0 (struct stat_info_entry, 1)); } g_dir_close (dir); folder_unix->asof = time (NULL); return TRUE; } static gboolean cb_fill_in_stats (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); 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 gboolean fill_in_stats (GtkFileFolderUnix *folder_unix, GError **error) { if (folder_unix->have_stat) return TRUE; if (!fill_in_names (folder_unix, error)) return FALSE; #if 0 g_print ("Stating directory %s\n", folder_unix->filename); #endif g_hash_table_foreach_remove (folder_unix->stat_info, cb_fill_in_stats, folder_unix); folder_unix->have_stat = TRUE; return 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 gboolean fill_in_mime_type (GtkFileFolderUnix *folder_unix, GError **error) { if (folder_unix->have_mime_type) return TRUE; #if 0 g_print ("Getting mime types for directory %s\n", folder_unix->filename); #endif g_hash_table_foreach_remove (folder_unix->stat_info, cb_fill_in_mime_type, folder_unix); folder_unix->have_mime_type = TRUE; return TRUE; } static GtkFilePath * filename_to_path (const char *filename) { return gtk_file_path_new_dup (filename); } static gboolean filename_is_root (const char *filename) { const gchar *after_root; after_root = g_path_skip_root (filename); return (after_root != NULL && *after_root == '\0'); }