mediacontrol

#!/bin/bash
MEDIA_WINDOW=$(xdotool search --name ".*Google Play Music|YouTube.*")
CURRENT_WINDOW=$(xdotool getactivewindow)

while getopts tpn opt; do
  case $opt in
    t)
      # Play/pause
      xdotool windowfocus --sync $MEDIA_WINDOW
      xdotool key --clearmodifiers space
      xdotool windowfocus --sync $CURRENT_WINDOW
      ;;
    p)
      # Previous
      xdotool windowfocus --sync $MEDIA_WINDOW
      xdotool key --clearmodifiers Left
      xdotool windowfocus $CURRENT_WINDOW
      ;;
    n)
      # Next
      xdotool windowfocus --sync $MEDIA_WINDOW
      xdotool key --clearmodifiers Right
      xdotool windowfocus --sync $CURRENT_WINDOW
      ;;
    :)
      # Usage
      cat <<EOF
Usage: mediacontrol -t|-p|-n

-t  Toggle:   Toggle play/pause in the media window
-p  Previous: Seek previous in the media window
-n  Next:     Seek next in the media window

EOF
  esac
done