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from asynchshell to awful.spawn.easy_async; started making every widget asynchronous
[etc/awesome.git] / widgets / imap.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local helpers      = require("lain.helpers")
10
11 local naughty      = require("naughty")
12 local wibox        = require("wibox")
13
14 local string       = { format = string.format,
15                        gsub   = string.gsub }
16 local tonumber     = tonumber
17
18 local setmetatable = setmetatable
19
20 -- Mail IMAP check
21 -- lain.widgets.imap
22
23 local function worker(args)
24     local imap        = {}
25     local args        = args or {}
26
27     local server      = args.server
28     local mail        = args.mail
29     local password    = args.password
30
31     local port        = args.port or 993
32     local timeout     = args.timeout or 60
33     local is_plain    = args.is_plain or false
34     local followtag   = args.followtag or false
35     local settings    = args.settings or function() end
36
37     local head_command  = "curl --connect-timeout 3 -fsm 3"
38     local request = "-X 'SEARCH (UNSEEN)'"
39
40     helpers.set_map(mail, 0)
41
42     if not is_plain then
43         password = helpers.read_pipe(password):gsub("\n", "")
44     end
45
46     imap.widget = wibox.widget.textbox('')
47
48     function update()
49         mail_notification_preset = {
50             icon     = helpers.icons_dir .. "mail.png",
51             position = "top_left"
52         }
53
54         if followtag then
55             mail_notification_preset.screen = awful.screen.focused()
56         end
57
58         curl = string.format("%s --url imaps://%s:%s/INBOX -u %s:%q %s -k",
59                head_command, server, port, mail, password, request)
60
61         helpers.async(curl, function(f)
62             _, mailcount = string.gsub(f, "%d+", "")
63
64             widget = imap.widget
65             settings()
66
67             if mailcount >= 1 and mailcount > helpers.get_map(mail) then
68                 if mailcount == 1 then
69                     nt = mail .. " has one new message"
70                 else
71                     nt = mail .. " has <b>" .. mailcount .. "</b> new messages"
72                 end
73                 naughty.notify({ preset = mail_notification_preset, text = nt })
74             end
75
76             helpers.set_map(mail, mailcount)
77         end)
78
79     end
80
81     helpers.newtimer(mail, timeout, update, true)
82
83     return setmetatable(imap, { __index = imap.widget })
84 end
85
86 return setmetatable({}, { __call = function(_, ...) return worker(...) end })