[nanny: 2/11] Detecting user sessions using ConsoleKit

[Roberto Majadas <telemaco src gnome org>]

commit d3ebb6a1058f022f76712f01b3121332e40c237a
Author: Roberto Majadas <roberto majadas openshine com>
Date:   Wed Mar 31 16:56:20 2010 +0200

    Detecting user sessions using ConsoleKit

 daemon/src/LinuxSessionCKFiltering.py |   21 ++++++++++++++++++++-
 1 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/daemon/src/LinuxSessionCKFiltering.py b/daemon/src/LinuxSessionCKFiltering.py
index 80aceed..7df007d 100644
--- a/daemon/src/LinuxSessionCKFiltering.py
+++ b/daemon/src/LinuxSessionCKFiltering.py
@@ -22,6 +22,7 @@
 
 import gobject
 import os
+import dbus
 
 from twisted.internet import reactor
 from time import localtime, strftime
@@ -113,4 +114,22 @@ class LinuxSessionCKFiltering(gobject.GObject) :
             return
         
     def __logout_session_if_is_running(self, user_id):
-        pass
+        try:
+            d = dbus.SystemBus()
+            manager = dbus.Interface(d.get_object("org.freedesktop.ConsoleKit", "/org/freedesktop/ConsoleKit/Manager"), 
+                                     "org.freedesktop.ConsoleKit.Manager")
+            sessions = manager.GetSessionsForUnixUser(int(user_id))
+            for session_name in sessions :
+                session = dbus.Interface(d.get_object("org.freedesktop.ConsoleKit", session_name),
+                                         "org.freedesktop.ConsoleKit.Session")
+                x11_display = session.GetX11Display()
+                print "session: %s , display: '%s'" % (session_name, x11_display)
+                if x11_display == "":
+                    continue
+
+                os.system("DISPLAY=%s zenity --info" % x11_display)
+                
+        except:
+            print "Crash __logout_session_if_is_running()"
+
+