Tomahawk (DBUS) CLI

tom

#!/bin/bash

# Credit to azzid for Spotify version - http://ubuntuforums.org/showthread.php?t=1797848

# Collect DBUS_SESSION_BUS_ADDRESS from running process
function set_dbus_adress
{
  USER=$1
  PROCESS=$2
  PID=`pgrep -o -u $USER $PROCESS`
  ENVIRON=/proc/$PID/environ

  if [ -e $ENVIRON ]
   then
  export `grep -z DBUS_SESSION_BUS_ADDRESS $ENVIRON`
   else
  echo "Unable to set DBUS_SESSION_BUS_ADDRESS."
  exit 1
  fi
}

function tomahawk_cmd
{
  dbus-send --print-reply --dest=org.mpris.MediaPlayer2.tomahawk /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.$1 1> /dev/null
}

function tomahawk_query
{
  qdbus org.mpris.MediaPlayer2.tomahawk /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get org.mpris.MediaPlayer2.Player PlaybackStatus
}

function quit_message
{
  echo "Usage: `basename $0` {play|pause|playpause|next|previous|stop|playstatus|<tomahawk URI>}"
  exit 1
}

# Count arguments, must be 1
if [ "$#" -ne "1" ]
then
        echo -e "You must supply exactly one argument!\n"
  quit_message
fi

# Check if DBUS_SESSION is set
if [ -z $DBUS_SESSION_BUS_ADDRESS ] 
   then
  #echo "DBUS_SESSION_BUS_ADDRESS not set. Guessing."
  set_dbus_adress `whoami` tomahawk
fi

case "$1" in
        play)
    tomahawk_cmd Play
                ;;
        pause)
    tomahawk_cmd Pause
                ;;
        playpause)
    tomahawk_cmd PlayPause
                ;;
        next)
    tomahawk_cmd Next
                ;;
        previous)
    tomahawk_cmd Previous
                ;;
        stop)
    tomahawk_cmd Stop
                ;;
        tomahawk:user:*)
    tomahawk_cmd "OpenUri string:$1"
    tomahawk_cmd Play
                ;;
        tomahawk:*:*)
    tomahawk_cmd "OpenUri string:$1"
                ;;
  playstatus)
    tomahawk_query
    ;;
        *)
                echo -e "Bad argument.\n"
                quit_message
                ;;
esac

exit 0