[gdm/multi-stack: 42/46] Don't add task to UI if it's invisible

[Ray Strode <halfline src gnome org>]

commit 015bd89a9451abbc3118d6fe0d104347aa34eee3
Author: Ray Strode <rstrode redhat com>
Date:   Wed Oct 28 23:55:00 2009 -0400

    Don't add task to UI if it's invisible

 gui/simple-greeter/gdm-greeter-login-window.c |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/gui/simple-greeter/gdm-greeter-login-window.c b/gui/simple-greeter/gdm-greeter-login-window.c
index 03858e3..4a3df26 100644
--- a/gui/simple-greeter/gdm-greeter-login-window.c
+++ b/gui/simple-greeter/gdm-greeter-login-window.c
@@ -2113,6 +2113,17 @@ gdm_greeter_login_window_add_extension (GdmGreeterLoginWindow *login_window,
 
         g_object_unref (actions);
 
+        name = gdm_task_get_name (GDM_TASK (extension));
+        description = gdm_task_get_description (GDM_TASK (extension));
+
+        if (!gdm_task_is_visible (GDM_TASK (extension))) {
+                g_debug ("GdmGreeterLoginWindow: new extension '%s - %s' won't be added",
+                         name, description);
+                g_free (name);
+                g_free (description);
+                return;
+        }
+
         g_signal_connect_swapped (GDM_CONVERSATION (extension),
                                   "answer",
                                   G_CALLBACK (on_conversation_answer),
@@ -2126,9 +2137,6 @@ gdm_greeter_login_window_add_extension (GdmGreeterLoginWindow *login_window,
                                   G_CALLBACK (on_conversation_chose_user),
                                   login_window);
 
-        name = gdm_task_get_name (GDM_TASK (extension));
-        description = gdm_task_get_description (GDM_TASK (extension));
-
         g_debug ("GdmGreeterLoginWindow: new extension '%s - %s' added",
                 name, description);