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Use the first client(master) as the central window
[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             }
63
64             for line in f:lines() do
65                 for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
66                     if     k == "state"  then mpd_now.state  = v
67                     elseif k == "file"   then mpd_now.file   = v
68                     elseif k == "Artist" then mpd_now.artist = escape_f(v)
69                     elseif k == "Title"  then mpd_now.title  = escape_f(v)
70                     elseif k == "Album"  then mpd_now.album  = escape_f(v)
71                     elseif k == "Date"   then mpd_now.date   = escape_f(v)
72                     end
73                 end
74             end
75
76             mpd_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 %d %q", mpdcover, music_dir,
88                                mpd_now.file, cover_size, default_art))
89
90                     mpd.id = naughty.notify({
91                         preset = mpd_notification_preset,
92                         icon = "/tmp/mpdcover.png",
93                         replaces_id = mpd.id,
94                         screen = client.focus and client.focus.screen or 1
95                     }).id
96                 end
97             elseif mpd_now.state ~= "pause"
98             then
99                 helpers.set_map("current mpd track", nil)
100             end
101         end)
102     end
103
104     helpers.newtimer("mpd", timeout, mpd.update)
105
106     return setmetatable(mpd, { __index = mpd.widget })
107 end
108
109 return setmetatable(mpd, { __call = function(_, ...) return worker(...) end })