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016f2a3a4e5de2a150e7276c810e7507601548ea
[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
12 local util         = require("awful.util")
13 local naughty      = require("naughty")
14 local wibox        = require("wibox")
15
16 local io           = { popen    = io.popen }
17 local os           = { execute  = os.execute,
18                        getenv   = os.getenv }
19 local string       = { format   = string.format, 
20                        gmatch   = string.gmatch }
21
22 local setmetatable = setmetatable
23
24 -- MPD infos
25 -- lain.widgets.mpd
26 local mpd = {}
27
28 local function worker(args)
29     local args      = args or {}
30     local timeout   = args.timeout or 2
31     local password  = args.password or ""
32     local host      = args.host or "127.0.0.1"
33     local port      = args.port or "6600"
34     local music_dir = args.music_dir or os.getenv("HOME") .. "/Music"
35     local settings  = args.settings or function() end
36
37     local mpdcover = helpers.scripts_dir .. "mpdcover"
38     local mpdh = "telnet://" .. host .. ":" .. port
39     local echo = "echo 'password " .. password .. "\nstatus\ncurrentsong\nclose'"
40
41     mpd.widget = wibox.widget.textbox('')
42
43     notification_preset = {
44         title   = "Now playing",
45         timeout = 6
46     }
47
48     helpers.set_map("current mpd track", nil)
49
50     function mpd.update()
51         mpd_now = {
52             state  = "N/A",
53             file   = "N/A",
54             artist = "N/A",
55             title  = "N/A",
56             album  = "N/A",
57             date   = "N/A"
58         }
59
60         local f = io.popen(echo .. " | curl --connect-timeout 1 -fsm 1 " .. mpdh)
61
62         for line in f:lines() do
63             for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
64                 if     k == "state"  then mpd_now.state  = v
65                 elseif k == "file"   then mpd_now.file   = v
66                 elseif k == "Artist" then mpd_now.artist = util.escape(v)
67                 elseif k == "Title"  then mpd_now.title  = util.escape(v)
68                 elseif k == "Album"  then mpd_now.album  = util.escape(v)
69                 elseif k == "Date"   then mpd_now.date   = util.escape(v)
70                 end
71             end
72         end
73
74         f:close()
75
76         notification_preset.text = string.format("%s (%s) - %s\n%s", mpd_now.artist,
77                                    mpd_now.album, mpd_now.date, mpd_now.title)
78         widget = mpd.widget
79         settings()
80
81         if mpd_now.state == "play"
82         then
83             if mpd_now.title ~= helpers.get_map("current mpd track")
84             then
85                 helpers.set_map("current mpd track", mpd_now.title)
86
87                 os.execute(string.format("%s %q %q", mpdcover, music_dir, mpd_now.file))
88
89                 mpd.id = naughty.notify({
90                     preset = notification_preset,
91                     icon = "/tmp/mpdcover.png",
92                     replaces_id = mpd.id
93                 }).id
94             end
95         elseif mpd_now.state ~= "pause"
96         then
97             helpers.set_map("current mpd track", nil)
98               end
99     end
100
101     helpers.newtimer("mpd", timeout, mpd.update)
102
103     return setmetatable(mpd, { __index = mpd.widget })
104 end
105
106 return setmetatable(mpd, { __call = function(_, ...) return worker(...) end })