widgets/contrib/gpmdp.lua

   1
   2 --[[
   3
   4         Licensed under GNU General Public License v2
   5         * (c) 2016, Alexandre Terrien
   6
   7 --]]
   8
   9 local helpers = require("lain.helpers")
  10 local json    = require("lain.util.dkjson")
  11 local pread   = require("awful.util").pread
  12 local naughty = require("naughty")
  13 local wibox   = require("wibox")
  14 local mouse   = mouse
  15 local os      = { getenv = os.getenv }
  16
  17 local setmetatable = setmetatable
  18
  19 -- Google Play Music Desktop infos
  20 -- lain.widget.contrib.gpmdp
  21 local gpmdp = {}
  22
  23 local function worker(args)
  24     local args          = args or {}
  25     local timeout       = args.timeout or 2
  26     local notify        = args.notify or "off"
  27     local followmouse   = args.followmouse or false
  28     local file_location = args.file_location or
  29                           os.getenv("HOME") .. "/.config/Google Play Music Desktop Player/json_store/playback.json"
  30     local settings      = args.settings or function() end
  31
  32     gpmdp.widget = wibox.widget.textbox('')
  33
  34     gpmdp_notification_preset = {
  35         title   = "Now playing",
  36         timeout = 6
  37     }
  38
  39     helpers.set_map("gpmdp_current", nil)
  40
  41     function gpmdp.update()
  42         file, err = io.open(file_location, "r")
  43         if not file
  44         then
  45             gpm_now = { running = false, playing = false }
  46         else
  47             dict, pos, err = json.decode(file:read "*a", 1, nil)
  48             file:close()
  49             gpm_now = {}
  50             gpm_now.artist    = dict.song.artist
  51             gpm_now.album     = dict.song.album
  52             gpm_now.title     = dict.song.title
  53             gpm_now.cover_url = dict.song.albumArt
  54             gpm_now.playing   = dict.playing
  55         end
  56
  57         if (pread("pidof 'Google Play Music Desktop Player'") ~= '') then
  58             gpm_now.running = true
  59         else
  60             gpm_now.running = false
  61         end
  62
  63         gpmdp_notification_preset.text = string.format("%s (%s) - %s", gpm_now.artist, gpm_now.album, gpm_now.title)
  64         widget = gpmdp.widget
  65         settings()
  66
  67         if gpm_now.playing
  68         then
  69             if notify == "on" and gpm_now.title ~= helpers.get_map("gpmdp_current")
  70             then
  71                 helpers.set_map("gpmdp_current", gpm_now.title)
  72                 os.execute("curl " .. gpm_now.cover_url .. " -o /tmp/gpmcover.png")
  73
  74                 if followmouse then
  75                     gpmdp_notification_preset.screen = mouse.screen
  76                 end
  77
  78                 gpmdp.id = naughty.notify({
  79                     preset = gpmdp_notification_preset,
  80                     icon = "/tmp/gpmcover.png",
  81                     replaces_id = gpmdp.id,
  82                 }).id
  83             end
  84         elseif not gpm_now.running
  85         then
  86             helpers.set_map("gpmdp_current", nil)
  87         end
  88     end
  89
  90     helpers.newtimer("gpmdp", timeout, gpmdp.update)
  91
  92     return setmetatable(gpmdp, { __index = gpmdp.widget })
  93 end
  94
  95 return setmetatable(gpmdp, { __call = function(_, ...) return worker(...) end })