#!/usr/bin/python

# Janitha's Thinkpad Anti Theft Script
# janitha at janitha dot com
#
# modified for KDE support by Colin Verot

import fileinput
import os
import time
import sys

hdaps = "/sys/devices/platform/hdaps/position"
threshold_alert = 10
threshold_alarm = 50

sound_armed = "~/scripts/antitheft/armed.wav"
sound_alert = "~/scripts/antitheft/alert.wav"
sound_alarm = "~/scripts/antitheft/alarm.wav"

####################################################

os.system("/usr/bin/kdesktop_lock --forcelock &")
time.sleep(1)
os.system("play " + sound_armed + "  2> /dev/null")

file = open(hdaps)
value = file.readline()
bx = int(value.partition("(")[2].partition(",")[0])
by = int(value.partition(",")[2].partition(")")[0])
print bx
print by
file.close()
x = bx
y = by

while x > bx-threshold_alarm and x < bx+threshold_alarm and y > by-threshold_alarm and y < by+threshold_alarm:

    time.sleep(0.05)
    # Read HDAPS values
    file = open(hdaps)
    value = file.readline()
    x = int(value.partition("(")[2].partition(",")[0])
    y = int(value.partition(",")[2].partition(")")[0])
    file.close()

    if x < bx-threshold_alert or x > bx+threshold_alert or y < by-threshold_alert or y > by+threshold_alert:
        diff = abs(bx-x) + abs(by-y)
        gain_diff = (int((diff*100.0) / (threshold_alarm))*2) / 20 - 1
        print "alert",gain_diff
        cmd = "play" + " --volume " + `gain_diff` + " " + sound_alert + "  2> /dev/null"
        os.system(cmd)

    if ''.join(os.popen('ps aux').readlines()).find('kdesktop_lock') < 0:
        sys.exit(0)

while 1:

    if ''.join(os.popen('ps aux').readlines()).find('kdesktop_lock') < 0:
        sys.exit(0)

    print "Alarm!"
    os.system("play " + " --volume 3 " + sound_alarm + "  2> /dev/null")
    time.sleep(1)