#!/bin/bash
# Script to adjust dpms settings when running certain programs,
# that don't use fullscreen, but should not be "blanked" in between.
# Run as timed script with systemd from /etc/systemd/system/timer-minutely.target.wants

export DISPLAY=:0

config="/home/dave/.config/dpms"
blankoff=0

# check for config file existence
if [[ -f $config ]];then
  . /home/dave/.config/dpms
else
  echo "Config file not readable $config"
  exit 1
fi

# loop all pre-compiled programs and check for running instances
for i in "${programs[@]}"
do
  pid=$(pidof $i)
  re='^[0-9]+$'
  if  [[ $pid =~ $re ]]; then
    echo "$i running ($pid)"
    $blankoff=1
  fi
done

# loop all python2 run programs and check for running instances
for i in "${python2[@]}"
do
  pid=$(pidof python2 $i)
  re='^[0-9]+$'
  if [[ $pid =~ $re ]]; then
    echo "$i running ($pid)"
    $blankoff=1
  fi
done

# if valuable programs are running, don't use screen blanking
if [ $blankoff -gt 0 ]; then
  echo "$blankoff"
  echo "Some program requires screensaver to be off."
  xset s off
else
  xset s on
fi