#!/bin/sh

# Sets Workrave mode to quiet and waits the given amount of minutes (default: 10)
# If no amount is given or the -f flag is provided, it checks whether a fullscreen application is running and if no, exits
# On exit or Ctrl-C (SIGINT) it sets the Workrave mode back to normal

while true; do
	case $1 in
		(-q) quiet=1; shift 1;;
		(-f) fullscreen=1; shift 1;;
		(*) break;;
	esac
done

getFullscreen() {
	# See https://askubuntu.com/a/1265587
	# Get screen size
	root_geo=$(xwininfo -root | awk -F'[ +x]' '$3 ~ /-geometry/ {printf "%dx%d",$4/'"$(xrandr | grep ' connected ' | wc -l)"',$5}')
	# Check if any window fills the screen
	xwininfo -root -tree | grep $root_geo | grep -qv "\(Desktop\|has no name\)"
}

setWorkraveOperationMode() {
    dbus-send --session --dest=org.workrave.Workrave --type=method_call \
    /org/workrave/Workrave/Core org.workrave.CoreInterface.SetOperationMode \
    string:"$1"
}

resetWorkraveMode() {
    test "$quiet" || echo "Setting Workrave operation mode to normal"
	setWorkraveOperationMode "normal"
}
trap resetWorkraveMode EXIT INT

test "$quiet" || echo "Silencing workrave"
setWorkraveOperationMode "quiet"
while true; do
	sleep ${1:-10}m
	test "$fullscreen" && getFullscreen || break
done