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#288 trying metatables
[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 local naughty      = require("naughty")
11 local wibox        = require("wibox")
12 local string       = { format = string.format,
13                        gsub   = string.gsub }
14 local tonumber     = tonumber
15 local setmetatable = setmetatable
16
17 -- Mail IMAP check
18 -- lain.widgets.imap
19
20 local function worker(args)
21     local imap      = helpers.make_widget_textbox()
22     local args      = args or {}
23     local server    = args.server
24     local mail      = args.mail
25     local password  = args.password
26     local port      = args.port or 993
27     local timeout   = args.timeout or 60
28     local is_plain  = args.is_plain or false
29     local followtag = args.followtag or false
30     local settings  = args.settings or function() end
31
32     local head_command = "curl --connect-timeout 3 -fsm 3"
33     local request = "-X 'SEARCH (UNSEEN)'"
34
35     if not server or not mail or not password then return end
36
37     helpers.set_map(mail, 0)
38
39     if not is_plain then
40         helpers.async(password, function(f) password = f:gsub("\n", "") end)
41     end
42
43     function update()
44         mail_notification_preset = {
45             icon     = helpers.icons_dir .. "mail.png",
46             position = "top_left"
47         }
48
49         if followtag then
50             mail_notification_preset.screen = awful.screen.focused()
51         end
52
53         curl = string.format("%s --url imaps://%s:%s/INBOX -u %s:%q %s -k",
54                head_command, server, port, mail, password, request)
55
56         helpers.async(curl, function(f)
57             _, mailcount = string.gsub(f, "%d+", "")
58             _ = nil
59
60             widget = imap.widget
61             settings()
62
63             if mailcount >= 1 and mailcount > helpers.get_map(mail) then
64                 if mailcount == 1 then
65                     nt = mail .. " has one new message"
66                 else
67                     nt = mail .. " has <b>" .. mailcount .. "</b> new messages"
68                 end
69                 naughty.notify({ preset = mail_notification_preset, text = nt })
70             end
71
72             helpers.set_map(mail, mailcount)
73         end)
74
75     end
76
77     imap.timer = helpers.newtimer(mail, timeout, update, true, true)
78
79     return imap
80 end
81
82 return setmetatable({}, { __call = function(_, ...) return worker(...) end })