#!/usr/bin/env	python

import os
import time
import syslog
import dbus
from dbus.mainloop.glib import DBusGMainLoop

from gi.repository import Gtk,GObject,Gio
import time

import subprocess

import net.Lliurex.Classroom.MovingProfiles
import xmlrpclib

class Service:
	
	
	def __init__(self):
		syslog.syslog("init")
		
		DBusGMainLoop(set_as_default=True)
				
		self.session_bus = dbus.SessionBus()
		
		proxy = self.session_bus.get_object('org.gnome.SessionManager','/org/gnome/SessionManager')
		proxy=dbus.Interface(proxy,"org.gnome.SessionManager")
		syslog.syslog("registering...")
		d_id=os.getenv("DESKTOP_AUTOSTART_ID")
		if d_id==None:
			d_id="lliurex-moving-gnome"
			
		self.client_id=proxy.RegisterClient("lliurex-moving-gnome",d_id)
		
		syslog.syslog("Autostart ID "+str(d_id))
		syslog.syslog("Client ID "+str(self.client_id))
				
		proxy = self.session_bus.get_object('org.gnome.SessionManager',self.client_id)
		proxy=dbus.Interface(proxy,"org.gnome.SessionManager.ClientPrivate")
		
		proxy.connect_to_signal("QueryEndSession",self.on_query_end_session)
		proxy.connect_to_signal("EndSession",self.on_end_session)
		
		
		self.mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
		
		try:
			self.mp.LoadSession()
			self.load_dconf()
		except Exception as e:
			syslog.syslog(e.message)
		
		
	#def

	def on_query_end_session(self,sender):
		syslog.syslog("logout query")
		proxy = self.session_bus.get_object('org.gnome.SessionManager',self.client_id)
		proxy=dbus.Interface(proxy,"org.gnome.SessionManager.ClientPrivate")
		proxy.EndSessionResponse(True,"saving session...")
		
	#def
	
	
	def on_end_session(self,sender):
		syslog.syslog("logout")
		
		self.mp.SaveSession()
		self.save_dconf()
	
		#unregistering
		#syslog.syslog("unregistering")
		#proxy = self.session_bus.get_object('org.gnome.SessionManager','/org/gnome/SessionManager/UnregisterClient')
		#proxy(self.client_id)

	
		syslog.syslog("logout response")
		proxy = self.session_bus.get_object('org.gnome.SessionManager',self.client_id)
		proxy=dbus.Interface(proxy,"org.gnome.SessionManager.ClientPrivate")
		proxy.EndSessionResponse(True,"unregistering")
		
		
		syslog.syslog("terminating")
		Gtk.main_quit()
	#def

	def load_dconf(self):
		syslog.syslog("loading dconf")
		dump_file = self.mp.GetProfilePath()+"/../.dconf.dump"
		if os.path.exists(dump_file):
			p=subprocess.Popen(["dconf","reset","/"])
			p.communicate()
			
			of = open(dump_file)
			data = of.read()
			of.close()
			
			p=subprocess.Popen(["dconf","load","/"],stdin=subprocess.PIPE)
			p.communicate(data)
			
			
			c=xmlrpclib.ServerProxy("https://server:9779")
			try:
				if c.is_frozen_user("","Golem",os.getenv("USER")):
					os.system("dconf reset -f /")
			except Exception as e:
				pass
			
				
			Gio.Settings.sync()
		else:
			syslog.syslog("no dconf dump found")
		
	#def
	
	def save_dconf(self):
		syslog.syslog("dumping dconf data")
		p=subprocess.Popen(["dconf","dump","/"],stdout=subprocess.PIPE)
		stdout,stderr=p.communicate()
		
		of = open(self.mp.GetProfilePath()+"/../.dconf.dump","w")
		of.write(stdout)
		of.close()	
	#def
	

if __name__=="__main__":
	ms = Service()
	Gtk.main()
	syslog.syslog("bye")