[gdm] display: use a async ctor for slave dbus client

[Ray Strode <halfline src gnome org>]

commit 60c531fcd0c961e213c8c2bfc288c71f9750171f
Author: Marc-Antoine Perennou <Marc-Antoine Perennou com>
Date:   Sun Jan 5 20:09:26 2014 +0900

    display: use a async ctor for slave dbus client
    
    https://bugzilla.gnome.org/show_bug.cgi?id=701758
    
    Signed-off-by: Marc-Antoine Perennou <Marc-Antoine Perennou com>

 daemon/gdm-display.c |   32 ++++++++++++++++++++++----------
 1 files changed, 22 insertions(+), 10 deletions(-)
---
diff --git a/daemon/gdm-display.c b/daemon/gdm-display.c
index b1adae8..dec0718 100644
--- a/daemon/gdm-display.c
+++ b/daemon/gdm-display.c
@@ -289,6 +289,21 @@ on_name_vanished (GDBusConnection *connection,
         queue_finish (GDM_DISPLAY (user_data));
 }
 
+static void
+gdm_display_real_set_slave_bus_name_finish (GObject      *source_object,
+                                            GAsyncResult *res,
+                                            gpointer      user_data)
+{
+    GdmDisplay *display = user_data;
+
+    display->priv->slave_bus_proxy = GDM_DBUS_SLAVE (gdm_dbus_slave_proxy_new_finish (res, NULL));
+    g_object_bind_property (G_OBJECT (display->priv->slave_bus_proxy),
+                            "session-id",
+                            G_OBJECT (display),
+                            "session-id",
+                            G_BINDING_DEFAULT);
+}
+
 static gboolean
 gdm_display_real_set_slave_bus_name (GdmDisplay *display,
                                      const char *name,
@@ -310,16 +325,13 @@ gdm_display_real_set_slave_bus_name (GdmDisplay *display,
                                                                        NULL);
 
         g_clear_object (&display->priv->slave_bus_proxy);
-        display->priv->slave_bus_proxy = GDM_DBUS_SLAVE (gdm_dbus_slave_proxy_new_sync 
(display->priv->connection,
-                                                                                        
G_DBUS_PROXY_FLAGS_NONE,
-                                                                                        name,
-                                                                                        GDM_SLAVE_PATH,
-                                                                                        NULL, NULL));
-        g_object_bind_property (G_OBJECT (display->priv->slave_bus_proxy),
-                                "session-id",
-                                G_OBJECT (display),
-                                "session-id",
-                                G_BINDING_DEFAULT);
+        gdm_dbus_slave_proxy_new (display->priv->connection,
+                                  G_DBUS_PROXY_FLAGS_NONE,
+                                  name,
+                                  GDM_SLAVE_PATH,
+                                  NULL,
+                                  gdm_display_real_set_slave_bus_name_finish,
+                                  display);
 
         return TRUE;
 }