[gdm/gnome-2-30] Sort user list by number of sessions too

[William Jon McCann <mccann src gnome org>]

commit 8b0c3288a07c2563e913ee611206de296e94a9fa
Author: William Jon McCann <jmccann redhat com>
Date:   Fri Jun 11 12:39:57 2010 -0400

    Sort user list by number of sessions too
    
    We first sort by login frequency but it is useful to
    pop currently logged in users to the top of the rest.

 gui/simple-greeter/gdm-user.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/gui/simple-greeter/gdm-user.c b/gui/simple-greeter/gdm-user.c
index a83076b..cc9bfa1 100644
--- a/gui/simple-greeter/gdm-user.c
+++ b/gui/simple-greeter/gdm-user.c
@@ -360,6 +360,8 @@ gdm_user_collate (GdmUser *user1,
         const char *str2;
         gulong      num1;
         gulong      num2;
+        guint       len1;
+        guint       len2;
 
         g_return_val_if_fail (GDM_IS_USER (user1), 0);
         g_return_val_if_fail (GDM_IS_USER (user2), 0);
@@ -375,6 +377,18 @@ gdm_user_collate (GdmUser *user1,
                 return 1;
         }
 
+
+        len1 = g_list_length (user1->sessions);
+        len2 = g_list_length (user2->sessions);
+
+        if (len1 > len2) {
+                return -1;
+        }
+
+        if (len1 < len2) {
+                return 1;
+        }
+
         /* if login frequency is equal try names */
         if (user1->real_name != NULL) {
                 str1 = user1->real_name;