#!/bin/sh
# Evolution mail checker. Requires:
#   xwit, touch,  awk, grep, xprop, play and a WAV file.
# xwit can be had from http://olliver.family.gen.nz/software
#
# Check for mail by seeing if the time on ~/evolution/local/Inbox/mbox changes
export mailcheckerfile=$HOME/evolution/local/Inbox/mbox
# Make sure file exists
touch /tmp/mailchecker_old.$USER
while (true); do
  sleep 10
  ls -l $mailcheckerfile|awk '{print $5}' >/tmp/mailchecker_new.$USER
  /usr/bin/diff -q /tmp/mailchecker_new.$USER /tmp/mailchecker_old.$USER>/dev/null
  if [ $? != 0 ]; then
    # We've a change in the mail file. Play alert message anyway
    play /DOSC/windows/simpmail.wav &
    # Test file to see if a window is iconic
    # Bodge required to test on window 'id' as xprop is broken when using 'name'
    tgtWindowId=`xprop -name evolution|grep "WM_TRANSIENT_FOR"|awk '{print $5}'`
    tgtWindowState=`xprop -id $tgtWindowId WM_STATE|grep "window state"|awk '{print $3}'`
    if [ "$tgtWindowState" == "Iconic" ]; then
      xmessage -center "You have mail!"
      xwit -pop -names Inbox
    fi
    cp /tmp/mailchecker_new.$USER /tmp/mailchecker_old.$USER
  fi
done