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