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 = helpers.make_widget_textbox()
  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_notification_preset = {
  34         title   = "Now playing",
  35         timeout = 6
  36     }
  37
  38     helpers.set_map("gpmdp_current", nil)
  39
  40     function gpmdp.update()
  41         local filelines = helpers.lines_from(file_location)
  42
  43         if not next(filelines) then
  44             local gpm_now = { running = false, playing = false }
  45         else
  46             dict, pos, err = json.decode(table.concat(filelines), 1, nil)
  47             local gpm_now = {}
  48             gpm_now.artist    = dict.song.artist
  49             gpm_now.album     = dict.song.album
  50             gpm_now.title     = dict.song.title
  51             gpm_now.cover_url = dict.song.albumArt
  52             gpm_now.playing   = dict.playing
  53         end
  54
  55         if pread("pidof 'Google Play Music Desktop Player'") ~= '' then
  56             gpm_now.running = true
  57         else
  58             gpm_now.running = false
  59         end
  60
  61         gpmdp_notification_preset.text = string.format("%s (%s) - %s", gpm_now.artist, gpm_now.album, gpm_now.title)
  62         widget = gpmdp.widget
  63         settings()
  64
  65         if gpm_now.playing then
  66             if notify == "on" and gpm_now.title ~= helpers.get_map("gpmdp_current") then
  67                 helpers.set_map("gpmdp_current", gpm_now.title)
  68
  69                 if followtag then gpmdp_notification_preset.screen = focused() end
  70
  71                 helpers.async(string.format("curl %d -o /tmp/gpmcover.png", gpm_now.cover_url),
  72                 function(f)
  73                     gpmdp.id = naughty.notify({
  74                         preset = gpmdp_notification_preset,
  75                         icon = "/tmp/gpmcover.png",
  76                         replaces_id = gpmdp.id
  77                     }).id
  78                 end)
  79             end
  80         elseif not gpm_now.running then
  81             helpers.set_map("gpmdp_current", nil)
  82         end
  83     end
  84
  85     gpmdp.timer = helpers.newtimer("gpmdp", timeout, gpmdp.update, true, true)
  86
  87     return gpmdp
  88 end
  89
  90 return setmetatable(gpmdp, { __call = function(_, ...) return worker(...) end })