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
  12 local pread         = require("awful.util").pread
  13
  14 local naughty       = require("naughty")
  15 local wibox         = require("wibox")
  16
  17 local mouse         = mouse
  18
  19 local setmetatable = setmetatable
  20
  21 -- Google Play Music Desktop infos
  22 -- lain.widget.contrib.gpmdp
  23 local gpmdp = {}
  24
  25 local function worker(args)
  26     local args          = args or {}
  27     local timeout       = args.timeout or 2
  28     local notify        = args.notify or "off"
  29     local followmouse   = args.followmouse or false
  30     local file_location = args.file_location or
  31         os.getenv("HOME") .. "/.config/Google Play Music Desktop Player/json_store/playback.json"
  32     local settings      = args.settings or function() end
  33
  34     gpmdp.widget = wibox.widget.textbox('')
  35
  36     gpmdp_notification_preset = {
  37         title   = "Now playing",
  38         timeout = 6
  39     }
  40
  41     helpers.set_map("gpmpd_current", nil)
  42
  43     function gpmdp.update()
  44         file, err = io.open(file_location, "r")
  45         if not file
  46         then
  47             gpm_now = {
  48                 running = false,
  49                 playing = false
  50             }
  51         else
  52             dict, pos, err = json.decode(file:read "*a", 1, nil)
  53             file:close()
  54             gpm_now = {}
  55             gpm_now.artist      = dict.song.artist
  56             gpm_now.album       = dict.song.album
  57             gpm_now.title       = dict.song.title
  58             gpm_now.cover_url   = dict.song.albumArt
  59             gpm_now.playing     = dict.playing
  60         end
  61         if (pread("pidof 'Google Play Music Desktop Player'") ~= '') then
  62             gpm_now.running = true
  63         else
  64             gpm_now.running = false
  65         end
  66
  67         gpmdp_notification_preset.text = string.format(
  68                                         "%s (%s) - %s",
  69                                         gpm_now.artist,
  70                                         gpm_now.album,
  71                                         gpm_now.title)
  72         widget = gpmdp.widget
  73         settings()
  74
  75         if gpm_now.playing
  76         then
  77             if notify == "on" and gpm_now.title ~= helpers.get_map("gpmpd_current")
  78             then
  79                 helpers.set_map("gpmpd_current", gpm_now.title)
  80
  81                 current_icon = "/tmp/gpmcover.png"
  82                 os.execute("curl " .. gpm_now.cover_url .. " -o " .. current_icon)
  83
  84                 if followmouse then
  85                     gpmdp_notification_preset.screen = mouse.screen
  86                 end
  87
  88                 gpmdp.id = naughty.notify({
  89                     preset = gpmdp_notification_preset,
  90                     icon = current_icon,
  91                     replaces_id = gpmdp.id,
  92                 }).id
  93             end
  94         elseif (not gpm_now.running)
  95         then
  96             helpers.set_map("current mpd track", nil)
  97         end
  98     end
  99
 100     helpers.newtimer("gpmdp", timeout, gpmdp.update)
 101
 102     return setmetatable(gpmdp, { __index = gpmdp.widget })
 103 end
 104
 105 return setmetatable(gpmdp, { __call = function(_, ...) return worker(...) end })