closer.sh

#!/bin/bash
date=$(($(date +%s%N)/1000000))
odate=$([ -r /tmp/closer_click_date ] && cat /tmp/closer_click_date)
oid=$([ -r /tmp/closer_click_id ] && cat /tmp/closer_click_id)
sedGetValue='s/.*=\(.*\)/\1/'
id=$(xdotool getmouselocation --shell 2>/dev/null | grep WINDOW | sed "$sedGetValue")
class=$(xprop -id "$id" | grep WM_CLASS)
type="normal"

if [[ "$class" == *"Firefox"* ]]; then
  type="firefox"
fi

diff=date

if [[ -z "$odate" ]]; then
  :
else
  diff=$(("$date"-"$odate"))
fi

echo "$date" > /tmp/closer_click_date
echo "$id" > /tmp/closer_click_id

if [[ "$id" == "$oid" ]]; then
  if (( "$diff" < 300 )); then
    if [[ "$type" == "firefox" ]]; then
      wmctrl -ia "$id"
      sleep 0.2
      xdotool key Control_L+w
    else
      echo "Triggered"
      wmctrl -ic "$id"
    fi
  fi
fi