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