#!/usr/bin/python
# Run a command when the screensaver activates, ie when the system is idle.
# NOTE: only works with gnome-screensaver

# License: GNU GPL version 2.
# Author: Mike Peters <mike@ice2oREMOVETHIS.com>

import os
import time

# The executable you wish to run
RUNME = "aMule"
# Arguments you wish to pass to the command above
ARGS = ""

screensaver_started = 0
running = 0

while 1:
	active = 0
	out = ""
	pid = 0

	if screensaver_started == 0:
		# Don't do anything if the screensaver isn't running
		s = os.popen("pidof gnome-screensaver")
		spid = s.read()
		s.close()
		if len(spid) > 0:
			screensaver_started = 1
	else:
		h = os.popen("gnome-screensaver-command -q", "r")
		out = h.read()
		active = out.find("inactive")
		h.close()

		if active < 0 and running == 0:
			os.system("%s %s &" % (RUNME, ARGS))
			running = 1
		elif active > 0 and running == 1:
			os.system("pkill %s" % RUNME)
			running = 0
	time.sleep(5)