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811d1f6a3493c0dd17a11dda2d51f5458dab4202
[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 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                 os.execute(string.format("curl %d -o /tmp/gpmcover.png", gpm_now.cover_url))
71
72                 if followtag then gpmdp_notification_preset.screen = focused() end
73
74                 gpmdp.id = naughty.notify({
75                     preset = gpmdp_notification_preset,
76                     icon = "/tmp/gpmcover.png",
77                     replaces_id = gpmdp.id,
78                 }).id
79             end
80         elseif not gpm_now.running
81         then
82             helpers.set_map("gpmdp_current", nil)
83         end
84     end
85
86     helpers.newtimer("gpmdp", timeout, gpmdp.update)
87
88     return setmetatable(gpmdp, { __index = gpmdp.widget })
89 end
90
91 return setmetatable(gpmdp, { __call = function(_, ...) return worker(...) end })