[gdm/multi-stack: 16/17] Disconnect task "loaded" handler when loaded

[Ray Strode <halfline src gnome org>]

commit 533d9a6d206a44c6da99528a4faaa80d4e9fc1cd
Author: Ray Strode <rstrode redhat com>
Date:   Mon Mar 2 15:50:47 2009 -0500

    Disconnect task "loaded" handler when loaded
---
 gui/simple-greeter/gdm-greeter-login-window.c |   26 +++++++++++++++++++++---
 1 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/gui/simple-greeter/gdm-greeter-login-window.c b/gui/simple-greeter/gdm-greeter-login-window.c
index 83f4057..d7f3cf3 100644
--- a/gui/simple-greeter/gdm-greeter-login-window.c
+++ b/gui/simple-greeter/gdm-greeter-login-window.c
@@ -850,6 +850,27 @@ do_cancel (GdmGreeterLoginWindow *login_window)
         restart_conversations (login_window);
 }
 
+static void
+on_can_set_task_ready (GtkWidget *user_chooser,
+                       GdmTask   *task)
+{
+        g_signal_handlers_disconnect_by_func (user_chooser,
+                                              on_can_set_task_ready,
+                                              task);
+        gdm_conversation_set_ready (GDM_CONVERSATION (task));
+        g_object_unref (task);
+}
+
+static void
+set_task_ready_when_loaded (GdmGreeterLoginWindow *login_window,
+                            GdmTask               *task)
+{
+        g_signal_connect (login_window->priv->user_chooser,
+                          "loaded",
+                          G_CALLBACK (on_can_set_task_ready),
+                          g_object_ref (task));
+}
+
 gboolean
 gdm_greeter_login_window_ready (GdmGreeterLoginWindow *login_window,
                                 const char            *service_name)
@@ -865,10 +886,7 @@ gdm_greeter_login_window_ready (GdmGreeterLoginWindow *login_window,
                         gdm_conversation_set_ready (GDM_CONVERSATION (task));
                 } else {
 
-                        g_signal_connect_swapped (login_window->priv->user_chooser,
-                                                  "loaded",
-                                                  G_CALLBACK (gdm_conversation_set_ready),
-                                                  GDM_CONVERSATION (task));
+                        set_task_ready_when_loaded (login_window, task);
                 }
                 g_object_unref (task);
         }