+gint
+ARDOUR_UI::autosave_session ()
+{
+ if (!Config->get_periodic_safety_backups())
+ return 1;
+
+ if (session) {
+ session->maybe_write_autosave();
+ }
+
+ return 1;
+}
+
+void
+ARDOUR_UI::update_autosave ()
+{
+ ENSURE_GUI_THREAD (mem_fun (*this, &ARDOUR_UI::update_autosave));
+
+ if (session->dirty()) {
+ if (_autosave_connection.connected()) {
+ _autosave_connection.disconnect();
+ }
+
+ _autosave_connection = Glib::signal_timeout().connect (mem_fun (*this, &ARDOUR_UI::autosave_session),
+ Config->get_periodic_safety_backup_interval() * 1000);
+
+ } else {
+ if (_autosave_connection.connected()) {
+ _autosave_connection.disconnect();
+ }
+ }
+}
+