1 files changed, 141 insertions, 0 deletions
diff --git a/src/users-service.c b/src/users-service.c
new file mode 100644
index 0000000..731bc4d
--- /dev/null
+++ b/src/users-service.c
@@ -0,0 +1,141 @@
+
+#include <glib/gi18n.h>
+
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-bindings.h>
+
+#include <libdbusmenu-glib/server.h>
+#include <libdbusmenu-glib/menuitem.h>
+
+#include "dbus-shared-names.h"
+
+#define GUEST_SESSION_LAUNCHER  "/usr/share/gdm/guest-session/guest-session-launch"
+
+static DBusGConnection * session_bus = NULL;
+static DBusGConnection * system_bus = NULL;
+static DBusGProxy * bus_proxy = NULL;
+static DBusGProxy * gdm_proxy = NULL;
+static DbusmenuMenuitem * root_menuitem = NULL;
+static GMainLoop * mainloop = NULL;
+
+static gboolean
+check_guest_session (void)
+{
+	if (geteuid() < 500) {
+		/* System users shouldn't have guest account shown.  Mosly
+		   this would be the case of the guest user itself. */
+		return FALSE;
+	}
+	if (!g_file_test(GUEST_SESSION_LAUNCHER, G_FILE_TEST_IS_EXECUTABLE)) {
+		/* It doesn't appear that the Guest session stuff is
+		   installed.  So let's not use it then! */
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+static void
+activate_guest_session (DbusmenuMenuitem * mi, gpointer user_data)
+{
+	GError * error = NULL;
+	if (!g_spawn_command_line_async(GUEST_SESSION_LAUNCHER, &error)) {
+		g_warning("Unable to start guest session: %s", error->message);
+		g_error_free(error);
+	}
+
+	return;
+}
+
+static gboolean
+check_new_session (void)
+{
+	if (system_bus == NULL) {
+		system_bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL);
+	}
+
+	if (system_bus == NULL) {
+		return FALSE;
+	}
+
+	if (gdm_proxy == NULL) {
+		gdm_proxy = dbus_g_proxy_new_for_name(system_bus,
+		                                      "org.gnome.DisplayManager",
+		                                      "/org/gnome/DisplayManager/LocalDisplayFactory",
+		                                      "org.gnome.DisplayManager.LocalDisplayFactory");
+	}
+
+	if (gdm_proxy == NULL) {
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+static void
+activate_new_session (DbusmenuMenuitem * mi, gpointer user_data)
+{
+	GError * error = NULL;
+	if (!g_spawn_command_line_async("gdmflexiserver --startnew", &error)) {
+		g_warning("Unable to start guest session: %s", error->message);
+		g_error_free(error);
+	}
+
+	return;
+}
+
+static void
+create_items (DbusmenuMenuitem * root) {
+	DbusmenuMenuitem * mi = NULL;
+
+	if (check_guest_session()) {
+		mi = dbusmenu_menuitem_new();
+		dbusmenu_menuitem_property_set(mi, "label", _("Guest Session"));
+		dbusmenu_menuitem_child_append(root, mi);
+		g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(activate_guest_session), NULL);
+	}
+
+	if (check_new_session()) {
+		mi = dbusmenu_menuitem_new();
+		dbusmenu_menuitem_property_set(mi, "label", _("New Session..."));
+		dbusmenu_menuitem_child_append(root, mi);
+		g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(activate_new_session), NULL);
+	}
+
+	return;
+}
+
+int
+main (int argc, char ** argv)
+{
+    g_type_init();
+
+    session_bus = dbus_g_bus_get(DBUS_BUS_SESSION, NULL);
+    bus_proxy = dbus_g_proxy_new_for_name(session_bus, DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
+    GError * error = NULL;
+    guint nameret = 0;
+
+    if (!org_freedesktop_DBus_request_name(bus_proxy, INDICATOR_USERS_DBUS_NAME, 0, &nameret, &error)) {
+        g_error("Unable to call to request name");
+        return 1;
+    }   
+
+    if (nameret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+        g_error("Unable to get name");
+        return 1;
+    }   
+
+    root_menuitem = dbusmenu_menuitem_new();
+	g_debug("Root ID: %d", dbusmenu_menuitem_get_id(root_menuitem));
+
+	create_items(root_menuitem);
+
+    DbusmenuServer * server = dbusmenu_server_new(INDICATOR_USERS_DBUS_OBJECT);
+    dbusmenu_server_set_root(server, root_menuitem);
+
+    mainloop = g_main_loop_new(NULL, FALSE);
+    g_main_loop_run(mainloop);
+
+    return 0;
+}
+