[gnome-tweak-tool] Notifications with the logout option

[John Stowers <jstowers src gnome org>]

commit 27dd59e928ddc3ba1d9f553452caedbfab268c7c
Author: Alex Muñoz <alexmudoz gmail com>
Date:   Sun Jul 21 00:30:07 2013 -0400

    Notifications with the logout option

 gtweak/tweakview.py |    7 ++++++-
 gtweak/utils.py     |   20 ++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletions(-)
---
diff --git a/gtweak/tweakview.py b/gtweak/tweakview.py
index 6b3633b..cb772d5 100644
--- a/gtweak/tweakview.py
+++ b/gtweak/tweakview.py
@@ -22,6 +22,7 @@ from gi.repository import Gtk, Gdk, GObject
 
 import gtweak.tweakmodel
 from gtweak.tweakmodel import TweakModel
+from gtweak.utils import Notification
 
 DEFAULT_TWEAKGROUP = gtweak.tweakmodel.TWEAK_GROUP_APPEARANCE
 WIDGET_SORT_ORDER = (Gtk.Switch, Gtk.SpinButton, Gtk.ComboBox, Gtk.Box, Gtk.VBox, Gtk.HBox)
@@ -116,7 +117,11 @@ class TweakView:
     def _on_tweak_notify(self, tweak, desc, error, btn, func, need_logout):
         #if need to log out, do this as a notification area thing, not a note inside
         #the main window
-
+        
+        if need_logout:
+            notification = Notification()
+            notification.show()
+        
         info = Gtk.InfoBar()
         info.get_content_area().add(Gtk.Label(desc))
 
diff --git a/gtweak/utils.py b/gtweak/utils.py
index 2a29ffe..c20da41 100644
--- a/gtweak/utils.py
+++ b/gtweak/utils.py
@@ -20,6 +20,7 @@ import logging
 import tempfile
 import shutil
 import subprocess
+import dbus
 
 import gtweak
 from gtweak.gsettings import GSettingsSetting
@@ -27,6 +28,8 @@ from gtweak.gsettings import GSettingsSetting
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
+from gi.repository import Notify
+
 def singleton(cls):
     """
     Singleton decorator that works with GObject derived types. The 'recommended'
@@ -309,6 +312,23 @@ class XSettingsOverrides:
     def get_enable_primary_paste(self):
         self._get_override('Gtk/EnablePrimaryPaste', True)
 
+class Notification:
+    def __init__(self):       
+        self.notification = None
+        if Notify.is_initted() or Notify.init("GNOME Tweak Tool"):
+            self.notification = Notify.Notification.new("Configuration changes requiere restart","Your 
session needs to be restarted for settings to take effect", 'gnome-tweak-tool')
+            self.notification.add_action("restart", "Restart Session",self.logout,None,None)
+        else:
+            print "Error: Could not create the notification"
+
+    def show(self):
+        if self.notification:
+            self.notification.show()
+
+    def logout(self, btn, action, unknown):
+        bus = dbus.SessionBus()
+        serviceManager = bus.get_object('org.gnome.SessionManager', '/org/gnome/SessionManager')
+        serviceManager.Logout(dbus.UInt32(0))
 
 if __name__ == "__main__":
     gtweak.DATA_DIR = "/usr/share"