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[etc/awesome.git] / 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 pread   = require("awful.util").pread
12 local naughty = require("naughty")
13 local wibox   = require("wibox")
14 local mouse   = mouse
15 local os      = { getenv = os.getenv }
16
17 local setmetatable = setmetatable
18
19 -- Google Play Music Desktop infos
20 -- lain.widget.contrib.gpmdp
21 local gpmdp = {}
22
23 local function worker(args)
24     local args          = args or {}
25     local timeout       = args.timeout or 2
26     local notify        = args.notify or "off"
27     local followmouse   = args.followmouse or false
28     local file_location = args.file_location or
29                           os.getenv("HOME") .. "/.config/Google Play Music Desktop Player/json_store/playback.json"
30     local settings      = args.settings or function() end
31
32     gpmdp.widget = wibox.widget.textbox('')
33
34     gpmdp_notification_preset = {
35         title   = "Now playing",
36         timeout = 6
37     }
38
39     helpers.set_map("gpmdp_current", nil)
40
41     function gpmdp.update()
42         file, err = io.open(file_location, "r")
43         if not file
44         then
45             gpm_now = { running = false, playing = false }
46         else
47             dict, pos, err = json.decode(file:read "*a", 1, nil)
48             file:close()
49             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
68         then
69             if notify == "on" and gpm_now.title ~= helpers.get_map("gpmdp_current")
70             then
71                 helpers.set_map("gpmdp_current", gpm_now.title)
72                 os.execute("curl " .. gpm_now.cover_url .. " -o /tmp/gpmcover.png")
73
74                 if followmouse then
75                     gpmdp_notification_preset.screen = mouse.screen
76                 end
77
78                 gpmdp.id = naughty.notify({
79                     preset = gpmdp_notification_preset,
80                     icon = "/tmp/gpmcover.png",
81                     replaces_id = gpmdp.id,
82                 }).id
83             end
84         elseif not gpm_now.running
85         then
86             helpers.set_map("gpmdp_current", nil)
87         end
88     end
89
90     helpers.newtimer("gpmdp", timeout, gpmdp.update)
91
92     return setmetatable(gpmdp, { __index = gpmdp.widget })
93 end
94
95 return setmetatable(gpmdp, { __call = function(_, ...) return worker(...) end })