+ void update_checker_state_changed ()
+ {
+ UpdateChecker* uc = UpdateChecker::instance ();
+
+ bool const announce =
+ _update_news_requested ||
+ (uc->stable() && Config::instance()->check_for_updates()) ||
+ (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
+
+ _update_news_requested = false;
+
+ if (!announce) {
+ return;
+ }
+
+ if (uc->state() == UpdateChecker::YES) {
+ UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
+ dialog->ShowModal ();
+ dialog->Destroy ();
+ } else if (uc->state() == UpdateChecker::FAILED) {
+ error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
+ } else {
+ error_dialog (this, _("There are no new versions of DCP-o-matic available."));
+ }
+
+ _update_news_requested = false;
+ }
+