browser.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import os, sys, gi

gi.require_version('Gtk', '3.0')
gi.require_version('WebKit', '3.0')

from gi.repository import Gtk, WebKit


class Browser:
  def __init__(self):
    self.builder = Gtk.Builder()
   
    self.builder.add_from_file("core/browser.glade")
    self.builder.connect_signals(self)

    self.toolbar1 = self.builder.get_object("toolbar1")
    self.back = self.builder.get_object("back")
    self.forward = self.builder.get_object("forward")
    self.refresh = self.builder.get_object("refresh")
    self.stop = self.builder.get_object("stop")
    self.url = self.builder.get_object("url")
    self.spinner = self.builder.get_object("spinner")
    self.progressbar = self. builder.get_object("progressbar")
    self.window = self.builder.get_object("window1")
    self.window.connect('destroy', lambda w: Gtk.main_quit())
    self.scrolledwindow = self.builder.get_object("scrolledwindow")
    self.window.show_all()

    self.webview = WebKit.WebView()
    self.scrolledwindow.add(self.webview)
    self.webview.open('http://google.com')
    self.webview.connect('title-changed', self.change_title)
    self.webview.connect('load-committed', self.change_url)
    self.webview.connect('load-committed', self.spinner_on)
    self.webview.connect('load_finished',self.spinner_off)
    #self.webview.connect('load-committed', self.progress_on)
    #self.webview.connect('load-progress-changed', self.progress_change)
    #self.webview.connect('document_load_finished',self.progress_off)
    self.webview.show()	
   

  
  def on_url_activate(self, widget):
        url = widget.get_text()
        if url.startswith('http://') or url.startswith('https://'):
            self.webview.open(url)
        else:
            url = 'http://' + url
            self.url.set_text(url)
            self.webview.open(url)


  def on_refresh_clicked(self, widget):
    self.webview.reload()

  def on_back_clicked(self, widget):
    self.webview.go_back()

  def on_forward_clicked(self, widget):
     self.webview.go_forward()

  def on_stop_clicked(self, widget):
     self.webview.stop_loading()

  def change_title(self, widget, frame, title):
     self.window.set_title(title + ' - AnLinux-Browser')

  def change_url(self, widget, frame):
     uri = frame.get_uri()
     self.url.set_text(uri)
     self.back.set_sensitive(self.webview.can_go_back() )
     self.forward.set_sensitive(self.webview.can_go_forward() )
	
  def spinner_on(self,widget,frame):
     self.spinner.start()

  def spinner_off(self, widget,frame):
     self.spinner.stop()
     
  #def progress_on(self,widget,frame):
     #self.progressbar.pulse()
     
  #def progress_change(self,wiget,frame):
   #  self.progressbar.set_pulse_step(.5)

  #def progress_off(self,widget,frame):
     #self.progressbar.set_pulse_step(0)
  

def main ():
  app = Browser()
  Gtk.main()

if __name__ == "__main__":
  main()