ibus/ibus-ui-gtk3-restart-via-systemd.patch

159 lines
6.0 KiB
Diff

diff --git a/ui/gtk3/panel.vala b/ui/gtk3/panel.vala
index 452b14c8..81c246a2 100644
--- a/ui/gtk3/panel.vala
+++ b/ui/gtk3/panel.vala
@@ -1292,7 +1292,7 @@ class Panel : IBus.PanelService {
m_sys_menu.append(new Gtk.SeparatorMenuItem());
item = new Gtk.MenuItem.with_label(_("Restart"));
- item.activate.connect((i) => m_bus.exit(true));
+ item.activate.connect((i) => restart_daemon());
m_sys_menu.append(item);
item = new Gtk.MenuItem.with_label(_("Quit"));
@@ -1305,6 +1305,144 @@ class Panel : IBus.PanelService {
return m_sys_menu;
}
+ private const string systemd_service_file = "org.freedesktop.IBus.session.generic.service";
+
+ GLib.DBusConnection? get_session_bus() {
+ try {
+ return GLib.Bus.get_sync (GLib.BusType.SESSION, null);
+ } catch (GLib.IOError e) {
+ debug("%s\n", e.message);
+ }
+ return null;
+ }
+
+ string?
+ get_ibus_systemd_object_path(GLib.DBusConnection connection) {
+ string object_path = null;
+ assert(systemd_service_file != null);
+ try {
+ var variant = connection.call_sync (
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit",
+ new GLib.Variant("(s)", systemd_service_file),
+ new GLib.VariantType("(o)"),
+ GLib.DBusCallFlags.NONE,
+ -1,
+ null);
+ variant.get("(o)", ref object_path);
+ debug("Succeed to get an object path \"%s\" for IBus " +
+ "systemd service file \"%s\".\n",
+ object_path, systemd_service_file);
+ return object_path;
+ } catch (GLib.Error e) {
+ debug("IBus systemd service file \"%s\" is not installed " +
+ "in your system: %s\n",
+ systemd_service_file, e.message);
+ }
+ return null;
+ }
+
+ bool
+ is_running_daemon_via_systemd(GLib.DBusConnection connection,
+ string object_path) {
+ string? state = null;
+ try {
+ while (true) {
+ var variant = connection.call_sync (
+ "org.freedesktop.systemd1",
+ object_path,
+ "org.freedesktop.DBus.Properties",
+ "Get",
+ new GLib.Variant("(ss)",
+ "org.freedesktop.systemd1.Unit",
+ "ActiveState"),
+ new GLib.VariantType("(v)"),
+ GLib.DBusCallFlags.NONE,
+ -1,
+ null);
+ GLib.Variant child = null;
+ variant.get("(v)", ref child);
+ state = child.dup_string();
+ debug("systemd state is \"%s\" for an object " +
+ "path \"%s\".\n", state, object_path);
+ if (state != "activating")
+ break;
+ Posix.sleep(1);
+ }
+ } catch (GLib.Error e) {
+ debug("%s\n", e.message);
+ return false;
+ }
+ if (state == "active")
+ return true;
+ return false;
+ }
+
+ bool
+ start_daemon_via_systemd(GLib.DBusConnection connection,
+ bool restart) {
+ string object_path = null;
+ string method = "StartUnit";
+ assert(systemd_service_file != null);
+ if (restart)
+ method = "RestartUnit";
+ try {
+ var variant = connection.call_sync (
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method,
+ new GLib.Variant("(ss)", systemd_service_file, "fail"),
+ new GLib.VariantType("(o)"),
+ GLib.DBusCallFlags.NONE,
+ -1,
+ null);
+ variant.get("(o)", ref object_path);
+ debug("Succeed to restart IBus daemon via IBus systemd " +
+ "service file \"%s\": \"%s\"\n",
+ systemd_service_file, object_path);
+ return true;
+ } catch (GLib.Error e) {
+ debug("Failed to %s IBus daemon via IBus systemd " +
+ "service file \"%s\": %s\n",
+ restart ? "restart" : "start",
+ systemd_service_file, e.message);
+ }
+ return false;
+ }
+
+ private void restart_daemon() {
+ do {
+ GLib.DBusConnection? connection = get_session_bus();
+ if (connection == null)
+ break;
+ var object_path = get_ibus_systemd_object_path(connection);
+ if (object_path == null)
+ break;
+ if (is_running_daemon_via_systemd(connection,
+ object_path)) {
+ var result = start_daemon_via_systemd(connection, true);
+ if (!result) {
+ var dialog = new Gtk.MessageDialog(
+ null,
+ Gtk.DialogFlags.DESTROY_WITH_PARENT,
+ Gtk.MessageType.ERROR,
+ Gtk.ButtonsType.CLOSE,
+ "Failed to restart IBus daemon via IBus systemd");
+ dialog.response.connect((id) => {
+ dialog.destroy();
+ });
+ dialog.show_all();
+ }
+ }
+ return;
+ } while (false);
+ // ibus-daemon is not launched via systemd
+ m_bus.exit(true);
+ }
+
private Gtk.Menu create_activate_menu() {
m_ime_menu = new Gtk.Menu();