simple-awesome/media_control.lua

-- Control playing music/media and sound volume
-- Currently supports :
-- - playerctl
-- - Spotify

-- DEBUG
local inspect = require("debug/inspect")

local awful = require("awful")
local naughty = require("naughty")

local hasPlayerctl = os.execute("playerctl -v") == true

-- playerctl
function sendToPlayerctl(command)
    os.execute("playerctl " .. command)
end

-- Spotify
function sendToSpotify(command)
    awful.util.spawn_with_shell("dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player." .. command)
end

-- {{{ Control
    local playPause = function()
        if hasPlayerctl then
            sendToPlayerctl("play-pause")
        else
            sendToSpotify("PlayPause")
        end
    end

    local nextTrack = function()
        if hasPlayerctl then
            sendToPlayerctl("next")
        else
            sendToSpotify("Next")
        end
    end

    local previousTrack = function()
        if hasPlayerctl then
            sendToPlayerctl("previous")
        else
            sendToSpotify("Previous")
        end
    end
-- }}}

return {
    playPause = playPause,
    nextTrack = nextTrack,
    previousTrack = previousTrack
}