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0d43e34eda44887b6226fa55da3d97b596e56084
[etc/awesome.git] / widgets / mpd.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6       * (c) 2010, Adrian C. <anrxc@sysphere.org>  
7                                                   
8 --]]
9
10 local helpers      = require("lain.helpers")
11 local async        = require("lain.asyncshell")
12
13 local escape_f     = require("awful.util").escape
14 local naughty      = require("naughty")
15 local wibox        = require("wibox")
16
17 local io           = { popen    = io.popen }
18 local os           = { execute  = os.execute,
19                        getenv   = os.getenv }
20 local string       = { format   = string.format,
21                        gmatch   = string.gmatch }
22
23 local setmetatable = setmetatable
24
25 -- MPD infos
26 -- lain.widgets.mpd
27 local mpd = {}
28
29 local function worker(args)
30     local args        = args or {}
31     local timeout     = args.timeout or 2
32     local password    = args.password or ""
33     local host        = args.host or "127.0.0.1"
34     local port        = args.port or "6600"
35     local music_dir   = args.music_dir or os.getenv("HOME") .. "/Music"
36     local cover_size  = args.cover_size or 100
37     local default_art = args.default_art or ""
38     local settings    = args.settings or function() end
39
40     local mpdcover = helpers.scripts_dir .. "mpdcover"
41     local mpdh = "telnet://" .. host .. ":" .. port
42     local echo = "echo 'password " .. password .. "\nstatus\ncurrentsong\nclose'"
43
44     mpd.widget = wibox.widget.textbox('')
45
46     mpd_notification_preset = {
47         title   = "Now playing",
48         timeout = 6
49     }
50
51     helpers.set_map("current mpd track", nil)
52
53     function mpd.update()
54         async.request(echo .. " | curl --connect-timeout 1 -fsm 3 " .. mpdh, function (f)
55             mpd_now = {
56                 state   = "N/A",
57                 file    = "N/A",
58                 artist  = "N/A",
59                 title   = "N/A",
60                 album   = "N/A",
61                 date    = "N/A",
62                 time    = "N/A",
63                 elapsed = "N/A"
64             }
65
66             for line in f:lines() do
67                 for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
68                     if     k == "state"   then mpd_now.state   = v
69                     elseif k == "file"    then mpd_now.file    = v
70                     elseif k == "Artist"  then mpd_now.artist  = escape_f(v)
71                     elseif k == "Title"   then mpd_now.title   = escape_f(v)
72                     elseif k == "Album"   then mpd_now.album   = escape_f(v)
73                     elseif k == "Date"    then mpd_now.date    = escape_f(v)
74                     elseif k == "Time"    then mpd_now.time    = v
75                     elseif k == "elapsed" then mpd_now.elapsed = math.floor(v)
76                     end
77                 end
78             end
79
80             mpd_notification_preset.text = string.format("%s (%s) - %s\n%s", mpd_now.artist,
81                                            mpd_now.album, mpd_now.date, mpd_now.title)
82             widget = mpd.widget
83             settings()
84
85             if mpd_now.state == "play"
86             then
87                 if mpd_now.title ~= helpers.get_map("current mpd track")
88                 then
89                     helpers.set_map("current mpd track", mpd_now.title)
90
91                     os.execute(string.format("%s %q %q %d %q", mpdcover, music_dir,
92                                mpd_now.file, cover_size, default_art))
93
94                     mpd.id = naughty.notify({
95                         preset = mpd_notification_preset,
96                         icon = "/tmp/mpdcover.png",
97                         replaces_id = mpd.id,
98                     }).id
99                 end
100             elseif mpd_now.state ~= "pause"
101             then
102                 helpers.set_map("current mpd track", nil)
103             end
104         end)
105     end
106
107     helpers.newtimer("mpd", timeout, mpd.update)
108
109     return setmetatable(mpd, { __index = mpd.widget })
110 end
111
112 return setmetatable(mpd, { __call = function(_, ...) return worker(...) end })