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