browser.py

#!/usr/bin/python

import gtk, webkit, sys, time, gobject

class Browser:
	def __init__(self, window, url):
		self.window = window
		self.view = (webkit.WebView(), webkit.WebView())
		self.url = url

		self.open()		

		window.add(self.view[0])
		window.add(self.view[1])

	def open(self):
		self.handler = self.view[0].connect("notify::load-status", lambda a,b: self.swap())
		self.view[0].open(self.url)

	def swap(self):
		status = self.view[0].get_property('load-status')
		LOAD_FINISHED = 2
		LOAD_FAILED = 4
		if status == LOAD_FINISHED or status == LOAD_FAILED:
			self.view[0].disconnect(self.handler)
			self.view[0].show()

			self.view = (self.view[1], self.view[0])
			self.view[0].hide()

			def load():
				self.open()
				return False

			gobject.timeout_add(1000, load)


def main():
	if len(sys.argv)!=2:
		print "usage: "+sys.argv[0]+" url"
		return 1

	w = gtk.Window()
	w.set_title(sys.argv[0])
	w.connect("destroy", gtk.main_quit)
	screen = w.get_screen()

	w.resize(screen.get_width(), screen.get_height())
	w.set_sensitive(False)

	panel = gtk.VBox()
	w.add(panel)
	
	browser = Browser(panel, sys.argv[1])

	w.show_all()
	w.fullscreen()

	gtk.main()

if __name__ == '__main__':
	main()