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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
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 })