#!/usr/bin/env python
# -*- coding: utf-8 -*
 
import os
import subprocess
import threading

import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GObject, GLib
	
import signal
signal.signal(signal.SIGINT, signal.SIG_DFL)

import gettext
gettext.textdomain('lliurex-firefox-update')
_ = gettext.gettext

class FirefoxUpdate:
	
	def __init__(self):
		
		self.firefox_ppa="deb http://ppa.launchpad.net/llxdev/trusty-firefox/ubuntu trusty main"
		self.firefox_version="57.0.4+build1-0ubuntu0.14.04.1"
		self.packages_to_install="firefox-esr firefox=%s firefox-locale-ca=%s firefox-locale-es=%s"%(self.firefox_version,self.firefox_version,self.firefox_version)
		self.load_gui("/usr/share/zero-lliurex-firefox/lliurex-firefox-update.ui")
		
	#def __init__
	
	
	def load_gui(self,ui_file):
		
		builder=Gtk.Builder()
		builder.add_from_file(ui_file)
		self.window=builder.get_object("main_window")
		self.accept_button=builder.get_object("accept_button")
		self.cancel_button=builder.get_object("cancel_button")
		self.close_button=builder.get_object("close_button")
		
		self.question_box=builder.get_object("question_box")
		self.pbar=builder.get_object("progressbar")
		self.msg_label=builder.get_object("msg_label")
		
		self.connect_signals()
		self.window.show()
		
	#def load_gui
	
	
	def connect_signals(self):
		
		self.window.connect("destroy",Gtk.main_quit)
		self.accept_button.connect("clicked",self.install)
		self.cancel_button.connect("clicked",Gtk.main_quit)
		self.close_button.connect("clicked",Gtk.main_quit)
		
	#def connect_signals
	
	
	def install(self,button):

		self.question_box.hide()
		self.pbar.show()
		self.close_button.set_sensitive(False)
		self.thread=threading.Thread(target=self.install_thread)
		self.thread.daemon=True
		self.thread.start()
		
		GLib.timeout_add(200,self.pulsating)
		
	#def install
	
	
	def install_thread(self):
		
		source_file="/etc/apt/sources.list.d/llx-firefox.list"
		
		f=open(source_file,"w")
		f.write(self.firefox_ppa+"\n")
		f.close()
		
		self.ret=os.system("apt-get update; apt-get install --reinstall %s"%self.packages_to_install)
		
		if self.ret==0:
			self.set_configured()
		
		os.remove(source_file)
		
	#def install_thread
	
	
	def pulsating(self):
		
		self.pbar.pulse()
		
		if not self.thread.is_alive():
			
			if self.ret==0:
				self.pbar.set_fraction(1)
				self.pbar.set_text("Installed")
			
			self.close_button.set_sensitive(True)
		
		return self.thread.is_alive()
		
	#def pulsating
	
	def set_configured(self):
		
		os.system("zero-center set-configured zero-lliurex-firefox")
		
	#def set_configured
	
	
	def start(self):
		
		GObject.threads_init()
		Gtk.main()
		
	#def start
	
	
#class FirefoxUpdate


if __name__=="__main__":
	
	fu=FirefoxUpdate()
	fu.start()