Multimedia keybindings that works with Spotify and mocp and contect aware

playdog.sh

#!/usr/bin/env bash

# Make your multimedia keybindings work with both spotify and mocp.
# I prefer to have them control Spotify when it's open.
# Place this script somewhere in $PATH and bind multimedia keys/your favorite
# shortcuts accordingly. The commands are self explanatory
#
# playdog -playpause
# playdog -pause
# playdog -next
# playdog -previous
#
# How to bind keys on Ubuntu: http://wp.me/p1rVu-bC

function dbus_controls() {
    case $2 in
        -next)
            dbus-send --print-reply --dest=org.mpris.MediaPlayer2.${1} /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Next
            ;;
        -previous)
            dbus-send --print-reply --dest=org.mpris.MediaPlayer2.${1} /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Previous
            ;;
        -pause)
            dbus-send --print-reply --session --dest=org.mpris.MediaPlayer2.${1} /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Pause
            ;;
        -playpause)
            dbus-send --print-reply --dest=org.mpris.MediaPlayer2.${1} /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlayPause
            ;;
    esac
}

# The order determines priority
if pgrep -c vlc; then
    dbus_controls "vlc" $1;
elif pgrep -c spotify; then
    dbus_controls "spotify" $1;
elif pgrep -c mocp;then
    case $1 in
        -next)
           mocp --next 
            ;;
        -previous)
           mocp --previous 
            ;;
        -playpause)
           mocp --toggle-pause 
            ;;
        -pause)
           mocp --pause 
            ;;
        esac
fi