+static GDBusProxy *sm_proxy = NULL;
+static char *client_id = NULL;
+static GDBusProxy *client_proxy = NULL;
+
+#define SM_DBUS_NAME "org.gnome.SessionManager"
+#define SM_DBUS_PATH "/org/gnome/SessionManager"
+#define SM_DBUS_INTERFACE "org.gnome.SessionManager"
+
+#define SM_CLIENT_DBUS_INTERFACE "org.gnome.SessionManager.ClientPrivate"
+
+static gboolean register_client (void);
+
+static void
+on_session_signal (GDBusProxy *proxy,
+ gchar *sender_name,
+ gchar *signal_name,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ if (g_strcmp0 (signal_name, "SessionOver") == 0) {
+ g_main_loop_quit (mainloop);
+ } else if (g_strcmp0 (signal_name, "SessionRunning") == 0) {
+ if (!register_client ())
+ g_warning ("Unable to register client with session manager");
+ }
+}
+
+static gboolean
+session_manager_connect (void)
+{
+ GVariant *res;
+ gboolean is_running;
+
+ sm_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, 0, NULL,
+ SM_DBUS_NAME,
+ SM_DBUS_PATH,
+ SM_DBUS_INTERFACE, NULL, NULL);
+
+ res = g_dbus_proxy_call_sync (sm_proxy,
+ "IsSessionRunning", NULL,
+ 0, 1000, NULL, NULL);
+
+ if (res) {
+ g_variant_get (res, "(b)", &is_running);
+ g_variant_unref (res);
+ if (is_running) {
+ if (!register_client ())
+ g_warning ("Unable to register client with session manager");
+ }
+ }
+
+ g_signal_connect (G_OBJECT (sm_proxy), "g-signal",
+ G_CALLBACK (on_session_signal), NULL);
+
+ return (sm_proxy != NULL);
+}
+
+static gboolean
+end_session_response (gboolean is_okay, const gchar *reason)
+{
+ GVariant *ret;
+ GError *error = NULL;
+
+ if (!reason)
+ reason = "";
+
+ ret = g_dbus_proxy_call_sync (client_proxy, "EndSessionResponse",
+ g_variant_new ("(bs)", is_okay, reason),
+ 0, 1000, NULL, &error);
+
+ if (!ret) {
+ g_warning ("Failed to send session response %s", error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+ else
+ g_variant_unref (ret);
+
+ return TRUE;
+}
+
+static void
+client_proxy_signal_cb (GDBusProxy *proxy,
+ gchar *sender_name,
+ gchar *signal_name,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ if (g_strcmp0 (signal_name, "QueryEndSession") == 0) {
+ g_debug ("Got QueryEndSession signal");
+ end_session_response (TRUE, NULL);
+ } else if (g_strcmp0 (signal_name, "EndSession") == 0) {
+ g_debug ("Got EndSession signal");
+ end_session_response (TRUE, NULL);
+ g_main_loop_quit (mainloop);
+ } else if (g_strcmp0 (signal_name, "Stop") == 0) {
+ g_debug ("Got Stop signal");
+ g_main_loop_quit (mainloop);
+ }
+}
+
+static gboolean
+register_client (void)
+{
+ GError *error;
+ GVariant *res;
+ const char *startup_id;
+ const char *app_id;
+
+ if (client_proxy)
+ return TRUE;
+
+ startup_id = g_getenv ("DESKTOP_AUTOSTART_ID");
+ if (!startup_id)
+ startup_id = "";
+ app_id = "at-spi-registryd.desktop";
+
+ error = NULL;
+ res = g_dbus_proxy_call_sync (sm_proxy,
+ "RegisterClient",
+ g_variant_new ("(ss)", app_id,
+ startup_id),
+ 0, 1000, NULL, &error);
+ if (! res) {
+ const char *message = (error && error->message ? error->message
+ : "no error");
+ g_warning ("Failed to register client: %s", message);
+ if (error)
+ g_error_free (error);
+ return FALSE;
+ }
+ g_variant_get (res, "(o)", &client_id);
+ g_variant_unref (res);
+
+ client_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, 0, NULL,
+ SM_DBUS_NAME,
+ client_id,
+ SM_CLIENT_DBUS_INTERFACE,
+ NULL, NULL);
+
+ g_signal_connect (client_proxy, "g-signal",
+ G_CALLBACK (client_proxy_signal_cb), NULL);
+
+ g_unsetenv ("DESKTOP_AUTOSTART_ID");
+
+ return TRUE;
+}
+
+/*---------------------------------------------------------------------------*/
+
+
+/*---------------------------------------------------------------------------*/
+
+typedef GObject *(*gconf_client_get_default_t) ();
+typedef gboolean (*gconf_client_get_bool_t)(GObject *, const char *, void *);
+