/* GTK - The GIMP Toolkit * gtkrecentmanager.c: a manager for the recently used resources * * Copyright (C) 2006 Emmanuele Bassi * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, */ #include "config.h" #include #include #ifdef HAVE_UNISTD_H #include #endif #include #include #include #include #include #include #include "gtkrecentmanager.h" #include "gtkintl.h" #include "gtkstock.h" #include "gtkicontheme.h" #include "gtktypebuiltins.h" #include "gtkprivate.h" #include "gtkmarshalers.h" #include "gtkalias.h" /* the file where we store the recently used items */ #define GTK_RECENTLY_USED_FILE "recently-used.xbel" /* return all items by default */ #define DEFAULT_LIMIT -1 /* limit the size of the list */ #define MAX_LIST_SIZE 1000 /* keep in sync with xdgmime */ #define GTK_RECENT_DEFAULT_MIME "application/octet-stream" typedef struct { gchar *name; gchar *exec; guint count; time_t stamp; } RecentAppInfo; struct _GtkRecentInfo { gchar *uri; gchar *display_name; gchar *description; time_t added; time_t modified; time_t visited; gchar *mime_type; GSList *applications; GHashTable *apps_lookup; GSList *groups; gboolean is_private; GdkPixbuf *icon; gint ref_count; }; #define GTK_RECENT_MANAGER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_RECENT_MANAGER, GtkRecentManagerPrivate)) struct _GtkRecentManagerPrivate { gchar *filename; guint is_dirty : 1; gint limit; gint size; GBookmarkFile *recent_items; GFileMonitor *monitor; guint changed_timeout; guint changed_age; }; enum { PROP_0, PROP_FILENAME, PROP_LIMIT, PROP_SIZE }; static void gtk_recent_manager_dispose (GObject *object); static void gtk_recent_manager_finalize (GObject *object); static void gtk_recent_manager_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_recent_manager_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_recent_manager_add_item_query_info (GObject *source_object, GAsyncResult *res, gpointer user_data); static void gtk_recent_manager_monitor_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, gpointer user_data); static void gtk_recent_manager_changed (GtkRecentManager *manager); static void gtk_recent_manager_real_changed (GtkRecentManager *manager); static void gtk_recent_manager_set_filename (GtkRecentManager *manager, const gchar *filename); static void gtk_recent_manager_clamp_to_age (GtkRecentManager *manager, gint age); static void gtk_recent_manager_clamp_to_size (GtkRecentManager *manager, const gint size); static void build_recent_items_list (GtkRecentManager *manager); static void purge_recent_items_list (GtkRecentManager *manager, GError **error); static RecentAppInfo *recent_app_info_new (const gchar *app_name); static void recent_app_info_free (RecentAppInfo *app_info); static GtkRecentInfo *gtk_recent_info_new (const gchar *uri); static void gtk_recent_info_free (GtkRecentInfo *recent_info); static guint signal_changed = 0; static GtkRecentManager *recent_manager_singleton = NULL; G_DEFINE_TYPE (GtkRecentManager, gtk_recent_manager, G_TYPE_OBJECT) static void filename_warning (const gchar *format, const gchar *filename, const gchar *message) { gchar *utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL); g_warning (format, utf8 ? utf8 : "(invalid filename)", message); g_free (utf8); } /* Test of haystack has the needle prefix, comparing case * insensitive. haystack may be UTF-8, but needle must * contain only lowercase ascii. */ static gboolean has_case_prefix (const gchar *haystack, const gchar *needle) { const gchar *h, *n; /* Eat one character at a time. */ h = haystack; n = needle; while (*n && *h && *n == g_ascii_tolower (*h)) { n++; h++; } return *n == '\0'; } GQuark gtk_recent_manager_error_quark (void) { return g_quark_from_static_string ("gtk-recent-manager-error-quark"); } static void gtk_recent_manager_class_init (GtkRecentManagerClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); gobject_class->set_property = gtk_recent_manager_set_property; gobject_class->get_property = gtk_recent_manager_get_property; gobject_class->dispose = gtk_recent_manager_dispose; gobject_class->finalize = gtk_recent_manager_finalize; /** * GtkRecentManager:filename * * The full path to the file to be used to store and read the recently * used resources list * * Since: 2.10 */ g_object_class_install_property (gobject_class, PROP_FILENAME, g_param_spec_string ("filename", P_("Filename"), P_("The full path to the file to be used to store and read the list"), NULL, (G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE))); /** * GtkRecentManager:limit * * The maximum number of items to be returned by the * gtk_recent_manager_get_items() function. * * Since: 2.10 * * Deprecated: 2.22: Setting this property does not have any effect. * The length of the list should be managed by the view (implementing * #GtkRecentChooser), and not by the model (the #GtkRecentManager). * See #GtkRecentChooser:limit. */ g_object_class_install_property (gobject_class, PROP_LIMIT, g_param_spec_int ("limit", P_("Limit"), P_("The maximum number of items to be returned by gtk_recent_manager_get_items()"), -1, G_MAXINT, DEFAULT_LIMIT, G_PARAM_READWRITE | G_PARAM_DEPRECATED)); /** * GtkRecentManager:size * * The size of the recently used resources list. * * Since: 2.10 */ g_object_class_install_property (gobject_class, PROP_SIZE, g_param_spec_int ("size", P_("Size"), P_("The size of the recently used resources list"), -1, G_MAXINT, 0, G_PARAM_READABLE)); /** * GtkRecentManager::changed * @recent_manager: the recent manager * * Emitted when the current recently used resources manager changes its * contents. * * Since: 2.10 */ signal_changed = g_signal_new (I_("changed"), G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GtkRecentManagerClass, changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); klass->changed = gtk_recent_manager_real_changed; g_type_class_add_private (klass, sizeof (GtkRecentManagerPrivate)); } static void gtk_recent_manager_init (GtkRecentManager *manager) { GtkRecentManagerPrivate *priv; manager->priv = priv = GTK_RECENT_MANAGER_GET_PRIVATE (manager); priv->limit = DEFAULT_LIMIT; priv->size = 0; priv->filename = NULL; } static void gtk_recent_manager_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkRecentManager *recent_manager = GTK_RECENT_MANAGER (object); switch (prop_id) { case PROP_FILENAME: gtk_recent_manager_set_filename (recent_manager, g_value_get_string (value)); break; case PROP_LIMIT: gtk_recent_manager_set_limit (recent_manager, g_value_get_int (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_recent_manager_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkRecentManager *recent_manager = GTK_RECENT_MANAGER (object); switch (prop_id) { case PROP_FILENAME: g_value_set_string (value, recent_manager->priv->filename); break; case PROP_LIMIT: g_value_set_int (value, recent_manager->priv->limit); break; case PROP_SIZE: g_value_set_int (value, recent_manager->priv->size); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_recent_manager_finalize (GObject *object) { GtkRecentManager *manager = GTK_RECENT_MANAGER (object); GtkRecentManagerPrivate *priv = manager->priv; g_free (priv->filename); if (priv->recent_items != NULL) g_bookmark_file_free (priv->recent_items); G_OBJECT_CLASS (gtk_recent_manager_parent_class)->finalize (object); } static void gtk_recent_manager_dispose (GObject *gobject) { GtkRecentManager *manager = GTK_RECENT_MANAGER (gobject); GtkRecentManagerPrivate *priv = manager->priv; if (priv->monitor != NULL) { g_signal_handlers_disconnect_by_func (priv->monitor, G_CALLBACK (gtk_recent_manager_monitor_changed), manager); g_object_unref (priv->monitor); priv->monitor = NULL; } if (priv->changed_timeout != 0) { g_source_remove (priv->changed_timeout); priv->changed_timeout = 0; priv->changed_age = 0; } if (priv->is_dirty) { g_object_ref (manager); g_signal_emit (manager, signal_changed, 0); g_object_unref (manager); } G_OBJECT_CLASS (gtk_recent_manager_parent_class)->dispose (gobject); } static void gtk_recent_manager_real_changed (GtkRecentManager *manager) { GtkRecentManagerPrivate *priv = manager->priv; g_object_freeze_notify (G_OBJECT (manager)); if (priv->is_dirty) { GError *write_error; /* we are marked as dirty, so we dump the content of our * recently used items list */ g_assert (priv->filename != NULL); if (!priv->recent_items) { /* if no container object has been defined, we create a new * empty container, and dump it */ priv->recent_items = g_bookmark_file_new (); priv->size = 0; } else { GtkSettings *settings = gtk_settings_get_default (); gint age = 30; gint max_size = MAX_LIST_SIZE; g_object_get (G_OBJECT (settings), "gtk-recent-files-max-age", &age, NULL); if (age > 0) gtk_recent_manager_clamp_to_age (manager, age); else if (age == 0) { g_bookmark_file_free (priv->recent_items); priv->recent_items = g_bookmark_file_new (); } if (max_size > 0) gtk_recent_manager_clamp_to_size (manager, max_size); } write_error = NULL; g_bookmark_file_to_file (priv->recent_items, priv->filename, &write_error); if (write_error) { filename_warning ("Attempting to store changes into `%s', " "but failed: %s", priv->filename, write_error->message); g_error_free (write_error); } if (g_chmod (priv->filename, 0600) < 0) { filename_warning ("Attempting to set the permissions of `%s', " "but failed: %s", priv->filename, g_strerror (errno)); } /* mark us as clean */ priv->is_dirty = FALSE; } else { /* we are not marked as dirty, so we have been called * because the recently used resources file has been * changed (and not from us). */ build_recent_items_list (manager); } g_object_thaw_notify (G_OBJECT (manager)); } static void gtk_recent_manager_monitor_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, gpointer user_data) { GtkRecentManager *manager = user_data; switch (event_type) { case G_FILE_MONITOR_EVENT_CHANGED: case G_FILE_MONITOR_EVENT_CREATED: gdk_threads_enter (); gtk_recent_manager_changed (manager); gdk_threads_leave (); break; case G_FILE_MONITOR_EVENT_DELETED: break; default: break; } } /* * get_default_recent_file: * * Retrieves the default storage file * * The default file is under XDG_DATA_HOME/recently-used.xbel but we also * check if the old $HOME/.recently-used.xbel is still there, and rename it * if needed. * * Return value: a newly allocated string with the new file */ static char * get_default_recent_file (void) { char *old_file = g_build_filename (g_get_home_dir (), "." GTK_RECENTLY_USED_FILE, NULL); char *new_file = g_build_filename (g_get_user_data_dir (), GTK_RECENTLY_USED_FILE, NULL); GBookmarkFile *bf_old = NULL, *bf_new = NULL; char **uris; gsize n_uris, i; /* simple case: the old file does not exist, so we just use the new one */ if (!g_file_test (old_file, G_FILE_TEST_EXISTS)) { g_free (old_file); return new_file; } /* less simple case: the old file still exists but the new one doesn't, * so we rename the old one to the new one */ if (!g_file_test (new_file, G_FILE_TEST_EXISTS)) { if (g_rename (old_file, new_file) == -1) filename_warning ("Unable to rename '%s': %s", old_file, g_strerror (errno)); g_free (old_file); return new_file; } /* complex case: both the old file and the new file exist, so we do * a preliminary parse pass and merge the contents, then remove the * old file */ bf_old = g_bookmark_file_new (); if (!g_bookmark_file_load_from_file (bf_old, old_file, NULL)) goto unlink_and_return; bf_new = g_bookmark_file_new (); if (!g_bookmark_file_load_from_file (bf_new, new_file, NULL)) goto unlink_and_return; uris = g_bookmark_file_get_uris (bf_old, &n_uris); for (i = 0; i < n_uris; i++) { char *mime, *title, *description; gboolean is_private; char **apps; gsize n_apps, j; /* the new file always wins */ if (g_bookmark_file_has_item (bf_new, uris[i])) continue; mime = g_bookmark_file_get_mime_type (bf_old, uris[i], NULL); title = g_bookmark_file_get_title (bf_old, uris[i], NULL); description = g_bookmark_file_get_description (bf_old, uris[i], NULL); is_private = g_bookmark_file_get_is_private (bf_old, uris[i], NULL); g_bookmark_file_set_mime_type (bf_new, uris[i], mime); if (title != NULL) g_bookmark_file_set_title (bf_new, uris[i], title); if (description != NULL) g_bookmark_file_set_description (bf_new, uris[i], description); g_free (mime); g_free (title); g_free (description); g_bookmark_file_set_is_private (bf_new, uris[i], is_private); apps = g_bookmark_file_get_applications (bf_old, uris[i], &n_apps, NULL); for (j = 0; j < n_apps; j++) { char *exec; guint count; time_t stamp; g_bookmark_file_get_app_info (bf_old, uris[i], apps[j], &exec, &count, &stamp, NULL); g_bookmark_file_set_app_info (bf_new, uris[i], apps[j], exec, count, stamp, NULL); g_free (exec); } g_strfreev (apps); } g_strfreev (uris); /* we don't particularly care about errors here; if it fails then * we start with a blank slate anyhow */ g_bookmark_file_to_file (bf_new, new_file, NULL); unlink_and_return: if (bf_old != NULL) g_bookmark_file_free (bf_old); if (bf_new != NULL) g_bookmark_file_free (bf_new); g_unlink (old_file); g_free (old_file); return new_file; } static void gtk_recent_manager_set_filename (GtkRecentManager *manager, const gchar *filename) { GtkRecentManagerPrivate *priv; GFile *file; GError *error; g_assert (GTK_IS_RECENT_MANAGER (manager)); priv = manager->priv; /* if a filename is already set and filename is not NULL, then copy * it and reset the monitor; otherwise, if it's NULL we're being * called from the finalization sequence, so we simply disconnect the * monitoring and return. * * if no filename is set and filename is NULL, use the default. */ if (priv->filename) { g_free (priv->filename); if (priv->monitor) { g_signal_handlers_disconnect_by_func (priv->monitor, G_CALLBACK (gtk_recent_manager_monitor_changed), manager); g_object_unref (priv->monitor); priv->monitor = NULL; } if (!filename || *filename == '\0') return; else priv->filename = g_strdup (filename); } else { if (!filename || *filename == '\0') priv->filename = get_default_recent_file (); else priv->filename = g_strdup (filename); } g_assert (priv->filename != NULL); file = g_file_new_for_path (priv->filename); error = NULL; priv->monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, &error); if (error) { filename_warning ("Unable to monitor `%s': %s\n" "The GtkRecentManager will not update its contents " "if the file is changed from other instances", priv->filename, error->message); g_error_free (error); } else g_signal_connect (priv->monitor, "changed", G_CALLBACK (gtk_recent_manager_monitor_changed), manager); g_object_unref (file); priv->is_dirty = FALSE; build_recent_items_list (manager); } /* reads the recently used resources file and builds the items list. * we keep the items list inside the parser object, and build the * RecentInfo object only on user's demand to avoid useless replication. * this function resets the dirty bit of the manager. */ static void build_recent_items_list (GtkRecentManager *manager) { GtkRecentManagerPrivate *priv = manager->priv; GError *read_error; gint size; g_assert (priv->filename != NULL); if (!priv->recent_items) { priv->recent_items = g_bookmark_file_new (); priv->size = 0; } /* the file exists, and it's valid (we hope); if not, destroy the container * object and hope for a better result when the next "changed" signal is * fired. */ read_error = NULL; g_bookmark_file_load_from_file (priv->recent_items, priv->filename, &read_error); if (read_error) { /* if the file does not exist we just wait for the first write * operation on this recent manager instance, to avoid creating * empty files and leading to spurious file system events (Sabayon * will not be happy about those) */ if (read_error->domain == G_FILE_ERROR && read_error->code != G_FILE_ERROR_NOENT) filename_warning ("Attempting to read the recently used resources " "file at `%s', but the parser failed: %s.", priv->filename, read_error->message); g_bookmark_file_free (priv->recent_items); priv->recent_items = NULL; g_error_free (read_error); } else { size = g_bookmark_file_get_size (priv->recent_items); if (priv->size != size) { priv->size = size; g_object_notify (G_OBJECT (manager), "size"); } } priv->is_dirty = FALSE; } /******************** * GtkRecentManager * ********************/ /** * gtk_recent_manager_new: * * Creates a new recent manager object. Recent manager objects are used to * handle the list of recently used resources. A #GtkRecentManager object * monitors the recently used resources list, and emits the "changed" signal * each time something inside the list changes. * * #GtkRecentManager objects are expensive: be sure to create them only when * needed. You should use gtk_recent_manager_get_default() instead. * * Return value: A newly created #GtkRecentManager object. * * Since: 2.10 */ GtkRecentManager * gtk_recent_manager_new (void) { return g_object_new (GTK_TYPE_RECENT_MANAGER, NULL); } /** * gtk_recent_manager_get_default: * * Gets a unique instance of #GtkRecentManager, that you can share * in your application without caring about memory management. The * returned instance will be freed when you application terminates. * * Return value: (transfer none): A unique #GtkRecentManager. Do not ref or unref it. * * Since: 2.10 */ GtkRecentManager * gtk_recent_manager_get_default (void) { if (G_UNLIKELY (!recent_manager_singleton)) recent_manager_singleton = gtk_recent_manager_new (); return recent_manager_singleton; } /** * gtk_recent_manager_get_for_screen: * @screen: a #GdkScreen * * Gets the recent manager object associated with @screen; if this * function has not previously been called for the given screen, * a new recent manager object will be created and associated with * the screen. Recent manager objects are fairly expensive to create, * so using this function is usually a better choice than calling * gtk_recent_manager_new() and setting the screen yourself; by using * this function a single recent manager object will be shared between * users. * * Return value: A unique #GtkRecentManager associated with the given * screen. This recent manager is associated to the with the screen * and can be used as long as the screen is open. Do not ref or * unref it. * * Deprecated: 2.12: This function has been deprecated and should * not be used in newly written code. Calling this function is * equivalent to calling gtk_recent_manager_get_default(). * * Since: 2.10 */ GtkRecentManager * gtk_recent_manager_get_for_screen (GdkScreen *screen) { return gtk_recent_manager_get_default (); } /** * gtk_recent_manager_set_screen: * @manager: a #GtkRecentManager * @screen: a #GdkScreen * * Sets the screen for a recent manager; the screen is used to * track the user's currently configured recently used documents * storage. * * Since: 2.10 * * Deprecated: 2.12: This function has been deprecated and should * not be used in newly written code. Calling this function has * no effect. */ void gtk_recent_manager_set_screen (GtkRecentManager *manager, GdkScreen *screen) { } /** * gtk_recent_manager_set_limit: * @manager: a #GtkRecentManager * @limit: the maximum number of items to return, or -1. * * Sets the maximum number of item that the gtk_recent_manager_get_items() * function should return. If @limit is set to -1, then return all the * items. * * Since: 2.10 * * Deprecated: 2.22: The length of the list should be managed by the * view (implementing #GtkRecentChooser), and not by the model (the * #GtkRecentManager). See #GtkRecentChooser:limit. */ void gtk_recent_manager_set_limit (GtkRecentManager *manager, gint limit) { GtkRecentManagerPrivate *priv; g_return_if_fail (GTK_IS_RECENT_MANAGER (manager)); priv = manager->priv; priv->limit = limit; } /** * gtk_recent_manager_get_limit: * @manager: a #GtkRecentManager * * Gets the maximum number of items that the gtk_recent_manager_get_items() * function should return. * * Return value: the number of items to return, or -1 for every item. * * Since: 2.10 * * Deprecated: 2.22: The length of the list should be managed by the * view (implementing #GtkRecentChooser), and not by the model (the * #GtkRecentManager). See #GtkRecentChooser:limit. */ gint gtk_recent_manager_get_limit (GtkRecentManager *manager) { GtkRecentManagerPrivate *priv; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), DEFAULT_LIMIT); priv = manager->priv; return priv->limit; } static void gtk_recent_manager_add_item_query_info (GObject *source_object, GAsyncResult *res, gpointer user_data) { GFile *file = G_FILE (source_object); GtkRecentManager *manager = user_data; GtkRecentData recent_data; GFileInfo *file_info; gchar *uri; uri = g_file_get_uri (file); file_info = g_file_query_info_finish (file, res, NULL); /* NULL-GError */ recent_data.display_name = NULL; recent_data.description = NULL; if (file_info) { gchar *content_type; content_type = g_file_info_get_attribute_as_string (file_info, G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE); if (G_LIKELY (content_type)) recent_data.mime_type = g_content_type_get_mime_type (content_type); else recent_data.mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME); g_free (content_type); g_object_unref (file_info); } else recent_data.mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME); /* FIXME: maybe we should make up the MIME type from the filename's extension */ recent_data.app_name = g_strdup (g_get_application_name ()); recent_data.app_exec = g_strjoin (" ", g_get_prgname (), "%u", NULL); recent_data.groups = NULL; recent_data.is_private = FALSE; gdk_threads_enter (); /* Ignore return value, this can't fail anyway since all required * fields are set */ gtk_recent_manager_add_full (manager, uri, &recent_data); manager->priv->is_dirty = TRUE; gtk_recent_manager_changed (manager); gdk_threads_leave (); g_free (recent_data.mime_type); g_free (recent_data.app_name); g_free (recent_data.app_exec); g_object_unref (manager); g_free (uri); } /** * gtk_recent_manager_add_item: * @manager: a #GtkRecentManager * @uri: a valid URI * * Adds a new resource, pointed by @uri, into the recently used * resources list. * * This function automatically retrieves some of the needed * metadata and setting other metadata to common default values; it * then feeds the data to gtk_recent_manager_add_full(). * * See gtk_recent_manager_add_full() if you want to explicitly * define the metadata for the resource pointed by @uri. * * Return value: %TRUE if the new item was successfully added * to the recently used resources list * * Since: 2.10 */ gboolean gtk_recent_manager_add_item (GtkRecentManager *manager, const gchar *uri) { GFile* file; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE); g_return_val_if_fail (uri != NULL, FALSE); file = g_file_new_for_uri (uri); g_file_query_info_async (file, G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE, G_PRIORITY_DEFAULT, G_FILE_QUERY_INFO_NONE, NULL, gtk_recent_manager_add_item_query_info, g_object_ref (manager)); g_object_unref (file); return TRUE; } /** * gtk_recent_manager_add_full: * @manager: a #GtkRecentManager * @uri: a valid URI * @recent_data: metadata of the resource * * Adds a new resource, pointed by @uri, into the recently used * resources list, using the metadata specified inside the #GtkRecentData * structure passed in @recent_data. * * The passed URI will be used to identify this resource inside the * list. * * In order to register the new recently used resource, metadata about * the resource must be passed as well as the URI; the metadata is * stored in a #GtkRecentData structure, which must contain the MIME * type of the resource pointed by the URI; the name of the application * that is registering the item, and a command line to be used when * launching the item. * * Optionally, a #GtkRecentData structure might contain a UTF-8 string * to be used when viewing the item instead of the last component of the * URI; a short description of the item; whether the item should be * considered private - that is, should be displayed only by the * applications that have registered it. * * Return value: %TRUE if the new item was successfully added to the * recently used resources list, %FALSE otherwise. * * Since: 2.10 */ gboolean gtk_recent_manager_add_full (GtkRecentManager *manager, const gchar *uri, const GtkRecentData *data) { GtkRecentManagerPrivate *priv; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE); g_return_val_if_fail (uri != NULL, FALSE); g_return_val_if_fail (data != NULL, FALSE); /* sanity checks */ if ((data->display_name) && (!g_utf8_validate (data->display_name, -1, NULL))) { g_warning ("Attempting to add `%s' to the list of recently used " "resources, but the display name is not a valid UTF-8 " "encoded string", uri); return FALSE; } if ((data->description) && (!g_utf8_validate (data->description, -1, NULL))) { g_warning ("Attempting to add `%s' to the list of recently used " "resources, but the description is not a valid UTF-8 " "encoded string", uri); return FALSE; } if (!data->mime_type) { g_warning ("Attempting to add `%s' to the list of recently used " "resources, but not MIME type was defined", uri); return FALSE; } if (!data->app_name) { g_warning ("Attempting to add `%s' to the list of recently used " "resources, but no name of the application that is " "registering it was defined", uri); return FALSE; } if (!data->app_exec) { g_warning ("Attempting to add `%s' to the list of recently used " "resources, but no command line for the application " "that is registering it was defined", uri); return FALSE; } priv = manager->priv; if (!priv->recent_items) { priv->recent_items = g_bookmark_file_new (); priv->size = 0; } if (data->display_name) g_bookmark_file_set_title (priv->recent_items, uri, data->display_name); if (data->description) g_bookmark_file_set_description (priv->recent_items, uri, data->description); g_bookmark_file_set_mime_type (priv->recent_items, uri, data->mime_type); if (data->groups && data->groups[0] != '\0') { gint j; for (j = 0; (data->groups)[j] != NULL; j++) g_bookmark_file_add_group (priv->recent_items, uri, (data->groups)[j]); } /* register the application; this will take care of updating the * registration count and time in case the application has * already registered the same document inside the list */ g_bookmark_file_add_application (priv->recent_items, uri, data->app_name, data->app_exec); g_bookmark_file_set_is_private (priv->recent_items, uri, data->is_private); /* mark us as dirty, so that when emitting the "changed" signal we * will dump our changes */ priv->is_dirty = TRUE; gtk_recent_manager_changed (manager); return TRUE; } /** * gtk_recent_manager_remove_item: * @manager: a #GtkRecentManager * @uri: the URI of the item you wish to remove * @error: (allow-none): return location for a #GError, or %NULL * * Removes a resource pointed by @uri from the recently used resources * list handled by a recent manager. * * Return value: %TRUE if the item pointed by @uri has been successfully * removed by the recently used resources list, and %FALSE otherwise. * * Since: 2.10 */ gboolean gtk_recent_manager_remove_item (GtkRecentManager *manager, const gchar *uri, GError **error) { GtkRecentManagerPrivate *priv; GError *remove_error = NULL; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE); g_return_val_if_fail (uri != NULL, FALSE); g_return_val_if_fail (error == NULL || *error == NULL, FALSE); priv = manager->priv; if (!priv->recent_items) { priv->recent_items = g_bookmark_file_new (); priv->size = 0; g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return FALSE; } g_bookmark_file_remove_item (priv->recent_items, uri, &remove_error); if (remove_error) { g_error_free (remove_error); g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return FALSE; } priv->is_dirty = TRUE; gtk_recent_manager_changed (manager); return TRUE; } /** * gtk_recent_manager_has_item: * @manager: a #GtkRecentManager * @uri: a URI * * Checks whether there is a recently used resource registered * with @uri inside the recent manager. * * Return value: %TRUE if the resource was found, %FALSE otherwise. * * Since: 2.10 */ gboolean gtk_recent_manager_has_item (GtkRecentManager *manager, const gchar *uri) { GtkRecentManagerPrivate *priv; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE); g_return_val_if_fail (uri != NULL, FALSE); priv = manager->priv; g_return_val_if_fail (priv->recent_items != NULL, FALSE); return g_bookmark_file_has_item (priv->recent_items, uri); } static void build_recent_info (GBookmarkFile *bookmarks, GtkRecentInfo *info) { gchar **apps, **groups; gsize apps_len, groups_len, i; g_assert (bookmarks != NULL); g_assert (info != NULL); info->display_name = g_bookmark_file_get_title (bookmarks, info->uri, NULL); info->description = g_bookmark_file_get_description (bookmarks, info->uri, NULL); info->mime_type = g_bookmark_file_get_mime_type (bookmarks, info->uri, NULL); info->is_private = g_bookmark_file_get_is_private (bookmarks, info->uri, NULL); info->added = g_bookmark_file_get_added (bookmarks, info->uri, NULL); info->modified = g_bookmark_file_get_modified (bookmarks, info->uri, NULL); info->visited = g_bookmark_file_get_visited (bookmarks, info->uri, NULL); groups = g_bookmark_file_get_groups (bookmarks, info->uri, &groups_len, NULL); for (i = 0; i < groups_len; i++) { gchar *group_name = g_strdup (groups[i]); info->groups = g_slist_append (info->groups, group_name); } g_strfreev (groups); apps = g_bookmark_file_get_applications (bookmarks, info->uri, &apps_len, NULL); for (i = 0; i < apps_len; i++) { gchar *app_name, *app_exec; guint count; time_t stamp; RecentAppInfo *app_info; gboolean res; app_name = apps[i]; res = g_bookmark_file_get_app_info (bookmarks, info->uri, app_name, &app_exec, &count, &stamp, NULL); if (!res) continue; app_info = recent_app_info_new (app_name); app_info->exec = app_exec; app_info->count = count; app_info->stamp = stamp; info->applications = g_slist_prepend (info->applications, app_info); g_hash_table_replace (info->apps_lookup, app_info->name, app_info); } g_strfreev (apps); } /** * gtk_recent_manager_lookup_item: * @manager: a #GtkRecentManager * @uri: a URI * @error: (allow-none): a return location for a #GError, or %NULL * * Searches for a URI inside the recently used resources list, and * returns a structure containing informations about the resource * like its MIME type, or its display name. * * Return value: a #GtkRecentInfo structure containing information * about the resource pointed by @uri, or %NULL if the URI was * not registered in the recently used resources list. Free with * gtk_recent_info_unref(). * * Since: 2.10 */ GtkRecentInfo * gtk_recent_manager_lookup_item (GtkRecentManager *manager, const gchar *uri, GError **error) { GtkRecentManagerPrivate *priv; GtkRecentInfo *info = NULL; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), NULL); g_return_val_if_fail (uri != NULL, NULL); g_return_val_if_fail (error == NULL || *error == NULL, NULL); priv = manager->priv; if (!priv->recent_items) { priv->recent_items = g_bookmark_file_new (); priv->size = 0; g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return NULL; } if (!g_bookmark_file_has_item (priv->recent_items, uri)) { g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return NULL; } info = gtk_recent_info_new (uri); g_return_val_if_fail (info != NULL, NULL); /* fill the RecentInfo structure with the data retrieved by our * parser object from the storage file */ build_recent_info (priv->recent_items, info); return info; } /** * gtk_recent_manager_move_item: * @manager: a #GtkRecentManager * @uri: the URI of a recently used resource * @new_uri: (allow-none): the new URI of the recently used resource, or %NULL to * remove the item pointed by @uri in the list * @error: (allow-none): a return location for a #GError, or %NULL * * Changes the location of a recently used resource from @uri to @new_uri. * * Please note that this function will not affect the resource pointed * by the URIs, but only the URI used in the recently used resources list. * * Return value: %TRUE on success. * * Since: 2.10 */ gboolean gtk_recent_manager_move_item (GtkRecentManager *recent_manager, const gchar *uri, const gchar *new_uri, GError **error) { GtkRecentManagerPrivate *priv; GError *move_error; gboolean res; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (recent_manager), FALSE); g_return_val_if_fail (uri != NULL, FALSE); g_return_val_if_fail (error == NULL || *error == NULL, FALSE); priv = recent_manager->priv; if (!priv->recent_items) { g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return FALSE; } if (!g_bookmark_file_has_item (priv->recent_items, uri)) { g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return FALSE; } move_error = NULL; res = g_bookmark_file_move_item (priv->recent_items, uri, new_uri, &move_error); if (move_error) { g_error_free (move_error); g_set_error (error, GTK_RECENT_MANAGER_ERROR, GTK_RECENT_MANAGER_ERROR_NOT_FOUND, _("Unable to find an item with URI '%s'"), uri); return FALSE; } priv->is_dirty = TRUE; gtk_recent_manager_changed (recent_manager); return TRUE; } /** * gtk_recent_manager_get_items: * @manager: a #GtkRecentManager * * Gets the list of recently used resources. * * Return value: (element-type GtkRecentInfo) (transfer full): a list of * newly allocated #GtkRecentInfo objects. Use * gtk_recent_info_unref() on each item inside the list, and then * free the list itself using g_list_free(). * * Since: 2.10 */ GList * gtk_recent_manager_get_items (GtkRecentManager *manager) { GtkRecentManagerPrivate *priv; GList *retval = NULL; gchar **uris; gsize uris_len, i; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), NULL); priv = manager->priv; if (!priv->recent_items) return NULL; uris = g_bookmark_file_get_uris (priv->recent_items, &uris_len); for (i = 0; i < uris_len; i++) { GtkRecentInfo *info; info = gtk_recent_info_new (uris[i]); build_recent_info (priv->recent_items, info); retval = g_list_prepend (retval, info); } g_strfreev (uris); return retval; } static void purge_recent_items_list (GtkRecentManager *manager, GError **error) { GtkRecentManagerPrivate *priv = manager->priv; if (priv->recent_items == NULL) return; g_bookmark_file_free (priv->recent_items); priv->recent_items = g_bookmark_file_new (); priv->size = 0; /* emit the changed signal, to ensure that the purge is written */ priv->is_dirty = TRUE; gtk_recent_manager_changed (manager); } /** * gtk_recent_manager_purge_items: * @manager: a #GtkRecentManager * @error: (allow-none): a return location for a #GError, or %NULL * * Purges every item from the recently used resources list. * * Return value: the number of items that have been removed from the * recently used resources list. * * Since: 2.10 */ gint gtk_recent_manager_purge_items (GtkRecentManager *manager, GError **error) { GtkRecentManagerPrivate *priv; gint count, purged; g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), -1); priv = manager->priv; if (!priv->recent_items) return 0; count = g_bookmark_file_get_size (priv->recent_items); if (!count) return 0; purge_recent_items_list (manager, error); purged = count - g_bookmark_file_get_size (priv->recent_items); return purged; } static gboolean emit_manager_changed (gpointer data) { GtkRecentManager *manager = data; manager->priv->changed_age = 0; manager->priv->changed_timeout = 0; g_signal_emit (manager, signal_changed, 0); return FALSE; } static void gtk_recent_manager_changed (GtkRecentManager *manager) { /* coalesce consecutive changes * * we schedule a write in 250 msecs immediately; if we get more than one * request per millisecond before the timeout has a chance to run, we * schedule an emission immediately. */ if (manager->priv->changed_timeout == 0) manager->priv->changed_timeout = gdk_threads_add_timeout (250, emit_manager_changed, manager); else { manager->priv->changed_age += 1; if (manager->priv->changed_age > 250) { g_source_remove (manager->priv->changed_timeout); g_signal_emit (manager, signal_changed, 0); manager->priv->changed_age = 0; manager->priv->changed_timeout = 0; } } } static void gtk_recent_manager_clamp_to_age (GtkRecentManager *manager, gint age) { GtkRecentManagerPrivate *priv = manager->priv; gchar **uris; gsize n_uris, i; time_t now; if (G_UNLIKELY (!priv->recent_items)) return; now = time (NULL); uris = g_bookmark_file_get_uris (priv->recent_items, &n_uris); for (i = 0; i < n_uris; i++) { const gchar *uri = uris[i]; time_t modified; gint item_age; modified = g_bookmark_file_get_modified (priv->recent_items, uri, NULL); item_age = (gint) ((now - modified) / (60 * 60 * 24)); if (item_age > age) g_bookmark_file_remove_item (priv->recent_items, uri, NULL); } g_strfreev (uris); } static void gtk_recent_manager_clamp_to_size (GtkRecentManager *manager, const gint size) { GtkRecentManagerPrivate *priv = manager->priv; gchar **uris; gsize n_uris, i; if (G_UNLIKELY (!priv->recent_items) || G_UNLIKELY (size < 0)) return; uris = g_bookmark_file_get_uris (priv->recent_items, &n_uris); if (n_uris < size) { g_strfreev (uris); return; } for (i = 0; i < n_uris - size; i++) { const gchar *uri = uris[i]; g_bookmark_file_remove_item (priv->recent_items, uri, NULL); } g_strfreev (uris); } /***************** * GtkRecentInfo * *****************/ GType gtk_recent_info_get_type (void) { static GType info_type = 0; if (!info_type) info_type = g_boxed_type_register_static (I_("GtkRecentInfo"), (GBoxedCopyFunc) gtk_recent_info_ref, (GBoxedFreeFunc) gtk_recent_info_unref); return info_type; } static GtkRecentInfo * gtk_recent_info_new (const gchar *uri) { GtkRecentInfo *info; g_assert (uri != NULL); info = g_new0 (GtkRecentInfo, 1); info->uri = g_strdup (uri); info->applications = NULL; info->apps_lookup = g_hash_table_new (g_str_hash, g_str_equal); info->groups = NULL; info->ref_count = 1; return info; } static void gtk_recent_info_free (GtkRecentInfo *recent_info) { if (!recent_info) return; g_free (recent_info->uri); g_free (recent_info->display_name); g_free (recent_info->description); g_free (recent_info->mime_type); if (recent_info->applications) { g_slist_foreach (recent_info->applications, (GFunc) recent_app_info_free, NULL); g_slist_free (recent_info->applications); recent_info->applications = NULL; } if (recent_info->apps_lookup) g_hash_table_destroy (recent_info->apps_lookup); if (recent_info->groups) { g_slist_foreach (recent_info->groups, (GFunc) g_free, NULL); g_slist_free (recent_info->groups); recent_info->groups = NULL; } if (recent_info->icon) g_object_unref (recent_info->icon); g_free (recent_info); } /** * gtk_recent_info_ref: * @info: a #GtkRecentInfo * * Increases the reference count of @recent_info by one. * * Return value: the recent info object with its reference count increased * by one. * * Since: 2.10 */ GtkRecentInfo * gtk_recent_info_ref (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, NULL); g_return_val_if_fail (info->ref_count > 0, NULL); info->ref_count += 1; return info; } /** * gtk_recent_info_unref: * @info: a #GtkRecentInfo * * Decreases the reference count of @info by one. If the reference * count reaches zero, @info is deallocated, and the memory freed. * * Since: 2.10 */ void gtk_recent_info_unref (GtkRecentInfo *info) { g_return_if_fail (info != NULL); g_return_if_fail (info->ref_count > 0); info->ref_count -= 1; if (info->ref_count == 0) gtk_recent_info_free (info); } /** * gtk_recent_info_get_uri: * @info: a #GtkRecentInfo * * Gets the URI of the resource. * * Return value: the URI of the resource. The returned string is * owned by the recent manager, and should not be freed. * * Since: 2.10 */ const gchar * gtk_recent_info_get_uri (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, NULL); return info->uri; } /** * gtk_recent_info_get_display_name: * @info: a #GtkRecentInfo * * Gets the name of the resource. If none has been defined, the basename * of the resource is obtained. * * Return value: the display name of the resource. The returned string * is owned by the recent manager, and should not be freed. * * Since: 2.10 */ const gchar * gtk_recent_info_get_display_name (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, NULL); if (!info->display_name) info->display_name = gtk_recent_info_get_short_name (info); return info->display_name; } /** * gtk_recent_info_get_description: * @info: a #GtkRecentInfo * * Gets the (short) description of the resource. * * Return value: the description of the resource. The returned string * is owned by the recent manager, and should not be freed. * * Since: 2.10 **/ const gchar * gtk_recent_info_get_description (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, NULL); return info->description; } /** * gtk_recent_info_get_mime_type: * @info: a #GtkRecentInfo * * Gets the MIME type of the resource. * * Return value: the MIME type of the resource. The returned string * is owned by the recent manager, and should not be freed. * * Since: 2.10 */ const gchar * gtk_recent_info_get_mime_type (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, NULL); if (!info->mime_type) info->mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME); return info->mime_type; } /** * gtk_recent_info_get_added: * @info: a #GtkRecentInfo * * Gets the timestamp (seconds from system's Epoch) when the resource * was added to the recently used resources list. * * Return value: the number of seconds elapsed from system's Epoch when * the resource was added to the list, or -1 on failure. * * Since: 2.10 */ time_t gtk_recent_info_get_added (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, (time_t) -1); return info->added; } /** * gtk_recent_info_get_modified: * @info: a #GtkRecentInfo * * Gets the timestamp (seconds from system's Epoch) when the resource * was last modified. * * Return value: the number of seconds elapsed from system's Epoch when * the resource was last modified, or -1 on failure. * * Since: 2.10 */ time_t gtk_recent_info_get_modified (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, (time_t) -1); return info->modified; } /** * gtk_recent_info_get_visited: * @info: a #GtkRecentInfo * * Gets the timestamp (seconds from system's Epoch) when the resource * was last visited. * * Return value: the number of seconds elapsed from system's Epoch when * the resource was last visited, or -1 on failure. * * Since: 2.10 */ time_t gtk_recent_info_get_visited (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, (time_t) -1); return info->visited; } /** * gtk_recent_info_get_private_hint: * @info: a #GtkRecentInfo * * Gets the value of the "private" flag. Resources in the recently used * list that have this flag set to %TRUE should only be displayed by the * applications that have registered them. * * Return value: %TRUE if the private flag was found, %FALSE otherwise. * * Since: 2.10 */ gboolean gtk_recent_info_get_private_hint (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, FALSE); return info->is_private; } static RecentAppInfo * recent_app_info_new (const gchar *app_name) { RecentAppInfo *app_info; g_assert (app_name != NULL); app_info = g_slice_new0 (RecentAppInfo); app_info->name = g_strdup (app_name); app_info->exec = NULL; app_info->count = 1; app_info->stamp = 0; return app_info; } static void recent_app_info_free (RecentAppInfo *app_info) { if (!app_info) return; g_free (app_info->name); g_free (app_info->exec); g_slice_free (RecentAppInfo, app_info); } /** * gtk_recent_info_get_application_info: * @info: a #GtkRecentInfo * @app_name: the name of the application that has registered this item * @app_exec: (transfer none) (out): return location for the string containing the command line * @count: (out): return location for the number of times this item was registered * @time_: (out): return location for the timestamp this item was last registered * for this application * * Gets the data regarding the application that has registered the resource * pointed by @info. * * If the command line contains any escape characters defined inside the * storage specification, they will be expanded. * * Return value: %TRUE if an application with @app_name has registered this * resource inside the recently used list, or %FALSE otherwise. The * @app_exec string is owned by the #GtkRecentInfo and should not be * modified or freed * * Since: 2.10 */ gboolean gtk_recent_info_get_application_info (GtkRecentInfo *info, const gchar *app_name, const gchar **app_exec, guint *count, time_t *time_) { RecentAppInfo *ai; g_return_val_if_fail (info != NULL, FALSE); g_return_val_if_fail (app_name != NULL, FALSE); ai = (RecentAppInfo *) g_hash_table_lookup (info->apps_lookup, app_name); if (!ai) { g_warning ("No registered application with name '%s' " "for item with URI '%s' found", app_name, info->uri); return FALSE; } if (app_exec) *app_exec = ai->exec; if (count) *count = ai->count; if (time_) *time_ = ai->stamp; return TRUE; } /** * gtk_recent_info_get_applications: * @info: a #GtkRecentInfo * @length: (out) (allow-none): return location for the length of the returned list * * Retrieves the list of applications that have registered this resource. * * Return value: (array length=length zero-terminated=1) (transfer full): * a newly allocated %NULL-terminated array of strings. * Use g_strfreev() to free it. * * Since: 2.10 */ gchar ** gtk_recent_info_get_applications (GtkRecentInfo *info, gsize *length) { GSList *l; gchar **retval; gsize n_apps, i; g_return_val_if_fail (info != NULL, NULL); if (!info->applications) { if (length) *length = 0; return NULL; } n_apps = g_slist_length (info->applications); retval = g_new0 (gchar *, n_apps + 1); for (l = info->applications, i = 0; l != NULL; l = l->next) { RecentAppInfo *ai = (RecentAppInfo *) l->data; g_assert (ai != NULL); retval[i++] = g_strdup (ai->name); } retval[i] = NULL; if (length) *length = i; return retval; } /** * gtk_recent_info_has_application: * @info: a #GtkRecentInfo * @app_name: a string containing an application name * * Checks whether an application registered this resource using @app_name. * * Return value: %TRUE if an application with name @app_name was found, * %FALSE otherwise. * * Since: 2.10 */ gboolean gtk_recent_info_has_application (GtkRecentInfo *info, const gchar *app_name) { g_return_val_if_fail (info != NULL, FALSE); g_return_val_if_fail (app_name != NULL, FALSE); return (NULL != g_hash_table_lookup (info->apps_lookup, app_name)); } /** * gtk_recent_info_last_application: * @info: a #GtkRecentInfo * * Gets the name of the last application that have registered the * recently used resource represented by @info. * * Return value: an application name. Use g_free() to free it. * * Since: 2.10 */ gchar * gtk_recent_info_last_application (GtkRecentInfo *info) { GSList *l; time_t last_stamp = (time_t) -1; gchar *name = NULL; g_return_val_if_fail (info != NULL, NULL); for (l = info->applications; l != NULL; l = l->next) { RecentAppInfo *ai = (RecentAppInfo *) l->data; if (ai->stamp > last_stamp) { name = ai->name; last_stamp = ai->stamp; } } return g_strdup (name); } static GdkPixbuf * get_icon_for_mime_type (const char *mime_type, gint pixel_size) { GtkIconTheme *icon_theme; char *content_type; GIcon *icon; GtkIconInfo *info; GdkPixbuf *pixbuf; icon_theme = gtk_icon_theme_get_default (); content_type = g_content_type_from_mime_type (mime_type); if (!content_type) return NULL; icon = g_content_type_get_icon (content_type); info = gtk_icon_theme_lookup_by_gicon (icon_theme, icon, pixel_size, GTK_ICON_LOOKUP_USE_BUILTIN); g_free (content_type); g_object_unref (icon); if (!info) return NULL; pixbuf = gtk_icon_info_load_icon (info, NULL); gtk_icon_info_free (info); return pixbuf; } static GdkPixbuf * get_icon_fallback (const gchar *icon_name, gint size) { GtkIconTheme *icon_theme; GdkPixbuf *retval; icon_theme = gtk_icon_theme_get_default (); retval = gtk_icon_theme_load_icon (icon_theme, icon_name, size, GTK_ICON_LOOKUP_USE_BUILTIN, NULL); g_assert (retval != NULL); return retval; } /** * gtk_recent_info_get_icon: * @info: a #GtkRecentInfo * @size: the size of the icon in pixels * * Retrieves the icon of size @size associated to the resource MIME type. * * Return value: (transfer full): a #GdkPixbuf containing the icon, * or %NULL. Use g_object_unref() when finished using the icon. * * Since: 2.10 */ GdkPixbuf * gtk_recent_info_get_icon (GtkRecentInfo *info, gint size) { GdkPixbuf *retval = NULL; g_return_val_if_fail (info != NULL, NULL); if (info->mime_type) retval = get_icon_for_mime_type (info->mime_type, size); /* this function should never fail */ if (!retval) { if (info->mime_type && strcmp (info->mime_type, "x-directory/normal") == 0) retval = get_icon_fallback ("folder", size); else retval = get_icon_fallback ("text-x-generic", size); } return retval; } /** * gtk_recent_info_is_local: * @info: a #GtkRecentInfo * * Checks whether the resource is local or not by looking at the * scheme of its URI. * * Return value: %TRUE if the resource is local. * * Since: 2.10 */ gboolean gtk_recent_info_is_local (GtkRecentInfo *info) { g_return_val_if_fail (info != NULL, FALSE); return has_case_prefix (info->uri, "file:/"); } /** * gtk_recent_info_exists: * @info: a #GtkRecentInfo * * Checks whether the resource pointed by @info still exists. At * the moment this check is done only on resources pointing to local files. * * Return value: %TRUE if the resource exists * * Since: 2.10 */ gboolean gtk_recent_info_exists (GtkRecentInfo *info) { gchar *filename; struct stat stat_buf; gboolean retval = FALSE; g_return_val_if_fail (info != NULL, FALSE); /* we guarantee only local resources */ if (!gtk_recent_info_is_local (info)) return FALSE; filename = g_filename_from_uri (info->uri, NULL, NULL); if (filename) { if (stat (filename, &stat_buf) == 0) retval = TRUE; g_free (filename); } return retval; } /** * gtk_recent_info_match: * @info_a: a #GtkRecentInfo * @info_b: a #GtkRecentInfo * * Checks whether two #GtkRecentInfo structures point to the same * resource. * * Return value: %TRUE if both #GtkRecentInfo structures point to se same * resource, %FALSE otherwise. * * Since: 2.10 */ gboolean gtk_recent_info_match (GtkRecentInfo *info_a, GtkRecentInfo *info_b) { g_return_val_if_fail (info_a != NULL, FALSE); g_return_val_if_fail (info_b != NULL, FALSE); return (0 == strcmp (info_a->uri, info_b->uri)); } /* taken from gnome-vfs-uri.c */ static const gchar * get_method_string (const gchar *substring, gchar **method_string) { const gchar *p; char *method; for (p = substring; g_ascii_isalnum (*p) || *p == '+' || *p == '-' || *p == '.'; p++) ; if (*p == ':' #ifdef G_OS_WIN32 && !(p == substring + 1 && g_ascii_isalpha (*substring)) #endif ) { /* Found toplevel method specification. */ method = g_strndup (substring, p - substring); *method_string = g_ascii_strdown (method, -1); g_free (method); p++; } else { *method_string = g_strdup ("file"); p = substring; } return p; } /* Stolen from gnome_vfs_make_valid_utf8() */ static char * make_valid_utf8 (const char *name) { GString *string; const char *remainder, *invalid; int remaining_bytes, valid_bytes; string = NULL; remainder = name; remaining_bytes = name ? strlen (name) : 0; while (remaining_bytes != 0) { if (g_utf8_validate (remainder, remaining_bytes, &invalid)) break; valid_bytes = invalid - remainder; if (string == NULL) string = g_string_sized_new (remaining_bytes); g_string_append_len (string, remainder, valid_bytes); g_string_append_c (string, '?'); remaining_bytes -= valid_bytes + 1; remainder = invalid + 1; } if (string == NULL) return g_strdup (name); g_string_append (string, remainder); g_assert (g_utf8_validate (string->str, -1, NULL)); return g_string_free (string, FALSE); } static gchar * get_uri_shortname_for_display (const gchar *uri) { gchar *name = NULL; gboolean validated = FALSE; if (has_case_prefix (uri, "file:/")) { gchar *local_file; local_file = g_filename_from_uri (uri, NULL, NULL); if (local_file) { name = g_filename_display_basename (local_file); validated = TRUE; } g_free (local_file); } if (!name) { gchar *method; gchar *local_file; const gchar *rest; rest = get_method_string (uri, &method); local_file = g_filename_display_basename (rest); name = g_strconcat (method, ": ", local_file, NULL); g_free (local_file); g_free (method); } g_assert (name != NULL); if (!validated && !g_utf8_validate (name, -1, NULL)) { gchar *utf8_name; utf8_name = make_valid_utf8 (name); g_free (name); name = utf8_name; } return name; } /** * gtk_recent_info_get_short_name: * @info: an #GtkRecentInfo * * Computes a valid UTF-8 string that can be used as the name of the item in a * menu or list. For example, calling this function on an item that refers to * "file:///foo/bar.txt" will yield "bar.txt". * * Return value: A newly-allocated string in UTF-8 encoding; free it with * g_free(). * * Since: 2.10 */ gchar * gtk_recent_info_get_short_name (GtkRecentInfo *info) { gchar *short_name; g_return_val_if_fail (info != NULL, NULL); if (info->uri == NULL) return NULL; short_name = get_uri_shortname_for_display (info->uri); return short_name; } /** * gtk_recent_info_get_uri_display: * @info: a #GtkRecentInfo * * Gets a displayable version of the resource's URI. If the resource * is local, it returns a local path; if the resource is not local, * it returns the UTF-8 encoded content of gtk_recent_info_get_uri(). * * Return value: a newly allocated UTF-8 string containing the * resource's URI or %NULL. Use g_free() when done using it. * * Since: 2.10 */ gchar * gtk_recent_info_get_uri_display (GtkRecentInfo *info) { gchar *retval; g_return_val_if_fail (info != NULL, NULL); retval = NULL; if (gtk_recent_info_is_local (info)) { gchar *filename; filename = g_filename_from_uri (info->uri, NULL, NULL); if (!filename) return NULL; retval = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL); g_free (filename); } else { retval = make_valid_utf8 (info->uri); } return retval; } /** * gtk_recent_info_get_age: * @info: a #GtkRecentInfo * * Gets the number of days elapsed since the last update of the resource * pointed by @info. * * Return value: a positive integer containing the number of days elapsed * since the time this resource was last modified. * * Since: 2.10 */ gint gtk_recent_info_get_age (GtkRecentInfo *info) { time_t now, delta; gint retval; g_return_val_if_fail (info != NULL, -1); now = time (NULL); delta = now - info->modified; retval = (gint) (delta / (60 * 60 * 24)); return retval; } /** * gtk_recent_info_get_groups: * @info: a #GtkRecentInfo * @length: (out) (allow-none): return location for the number of groups returned * * Returns all groups registered for the recently used item @info. The * array of returned group names will be %NULL terminated, so length might * optionally be %NULL. * * Return value: (array length=length zero-terminated=1) (transfer full): * a newly allocated %NULL terminated array of strings. * Use g_strfreev() to free it. * * Since: 2.10 */ gchar ** gtk_recent_info_get_groups (GtkRecentInfo *info, gsize *length) { GSList *l; gchar **retval; gsize n_groups, i; g_return_val_if_fail (info != NULL, NULL); if (!info->groups) { if (length) *length = 0; return NULL; } n_groups = g_slist_length (info->groups); retval = g_new0 (gchar *, n_groups + 1); for (l = info->groups, i = 0; l != NULL; l = l->next) { gchar *group_name = (gchar *) l->data; g_assert (group_name != NULL); retval[i++] = g_strdup (group_name); } retval[i] = NULL; if (length) *length = i; return retval; } /** * gtk_recent_info_has_group: * @info: a #GtkRecentInfo * @group_name: name of a group * * Checks whether @group_name appears inside the groups registered for the * recently used item @info. * * Return value: %TRUE if the group was found. * * Since: 2.10 */ gboolean gtk_recent_info_has_group (GtkRecentInfo *info, const gchar *group_name) { GSList *l; g_return_val_if_fail (info != NULL, FALSE); g_return_val_if_fail (group_name != NULL, FALSE); if (!info->groups) return FALSE; for (l = info->groups; l != NULL; l = l->next) { gchar *g = (gchar *) l->data; if (strcmp (g, group_name) == 0) return TRUE; } return FALSE; } /* * _gtk_recent_manager_sync: * * Private function for synchronising the recent manager singleton. */ void _gtk_recent_manager_sync (void) { if (recent_manager_singleton) { /* force a dump of the contents of the recent manager singleton */ recent_manager_singleton->priv->is_dirty = TRUE; gtk_recent_manager_real_changed (recent_manager_singleton); } } #define __GTK_RECENT_MANAGER_C__ #include "gtkaliasdef.c"