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[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 shell        = require("awful.util").shell
13 local escape_f     = require("awful.util").escape
14 local focused      = require("awful.screen").focused
15 local naughty      = require("naughty")
16 local wibox        = require("wibox")
17
18 local os           = { getenv = os.getenv }
19 local string       = { format = string.format,
20                        gmatch = string.gmatch,
21                        match  = string.match }
22
23 local setmetatable = setmetatable
24
25 -- MPD infos
26 -- lain.widgets.mpd
27 local mpd = helpers.make_widget_textbox()
28
29 local function worker(args)
30     local args          = args or {}
31     local timeout       = args.timeout or 2
32     local password      = (args.password and #args.password > 0 and string.format("password %s\\n", 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_pattern = args.cover_pattern or "*\\.(jpg|jpeg|png|gif)$"
37     local cover_size    = args.cover_size or 100
38     local default_art   = args.default_art or ""
39     local notify        = args.notify or "on"
40     local followtag     = args.followtag or false
41     local settings      = args.settings or function() end
42
43     local mpdh = string.format("telnet://%s:%s", host, port)
44     local echo = string.format("printf \"%sstatus\\ncurrentsong\\nclose\\n\"", password)
45     local cmd  = string.format("%s -c '%s | curl --connect-timeout 1 -fsm 3 %s'", shell, echo, mpdh)
46
47     mpd_notification_preset = { title = "Now playing", timeout = 6 }
48
49     helpers.set_map("current mpd track", nil)
50
51     function mpd.update()
52         helpers.async(cmd, function(f)
53             mpd_now = {
54                 random_mode  = false,
55                 single_mode  = false,
56                 repeat_mode  = false,
57                 consume_mode = false,
58                 pls_pos      = "N/A",
59                 pls_len      = "N/A",
60                 state        = "N/A",
61                 file         = "N/A",
62                 name         = "N/A",
63                 artist       = "N/A",
64                 title        = "N/A",
65                 album        = "N/A",
66                 genre        = "N/A",
67                 track        = "N/A",
68                 date         = "N/A",
69                 time         = "N/A",
70                 elapsed      = "N/A"
71             }
72
73             for line in string.gmatch(f, "[^\n]+") do
74                 for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
75                     if     k == "state"          then mpd_now.state        = v
76                     elseif k == "file"           then mpd_now.file         = v
77                     elseif k == "Name"           then mpd_now.name         = escape_f(v)
78                     elseif k == "Artist"         then mpd_now.artist       = escape_f(v)
79                     elseif k == "Title"          then mpd_now.title        = escape_f(v)
80                     elseif k == "Album"          then mpd_now.album        = escape_f(v)
81                     elseif k == "Genre"          then mpd_now.genre        = escape_f(v)
82                     elseif k == "Track"          then mpd_now.track        = escape_f(v)
83                     elseif k == "Date"           then mpd_now.date         = escape_f(v)
84                     elseif k == "Time"           then mpd_now.time         = v
85                     elseif k == "elapsed"        then mpd_now.elapsed      = string.match(v, "%d+")
86                     elseif k == "song"           then mpd_now.pls_pos      = v
87                     elseif k == "playlistlength" then mpd_now.pls_len      = v
88                     elseif k == "repeat"         then mpd_now.repeat_mode  = v ~= "0"
89                     elseif k == "single"         then mpd_now.single_mode  = v ~= "0"
90                     elseif k == "random"         then mpd_now.random_mode  = v ~= "0"
91                     elseif k == "consume"        then mpd_now.consume_mode = v ~= "0"
92                     end
93                 end
94             end
95
96             mpd_notification_preset.text = string.format("%s (%s) - %s\n%s", mpd_now.artist,
97                                            mpd_now.album, mpd_now.date, mpd_now.title)
98             widget = mpd.widget
99             settings()
100
101             if mpd_now.state == "play" then
102                 if notify == "on" and mpd_now.title ~= helpers.get_map("current mpd track") then
103                     helpers.set_map("current mpd track", mpd_now.title)
104
105                     if followtag then mpd_notification_preset.screen = focused() end
106
107                     local common =  {
108                         preset      = mpd_notification_preset,
109                         icon        = default_art,
110                         icon_size   = cover_size,
111                         replaces_id = mpd.id,
112                     }
113
114                     if not string.match(mpd_now.file, "http.*://") then -- local file instead of http stream
115                         local path   = string.format("%s/%s", music_dir, string.match(mpd_now.file, ".*/"))
116                         local cover  = string.format("%s -c \"find '%s' -maxdepth 1 -type f | egrep -i -m1 '%s'\"", shell, path, cover_pattern)
117                         helpers.async(cover, function(current_icon)
118                             common.icon = current_icon:gsub("\n", "")
119                             mpd.id = naughty.notify(common).id
120                         end)
121                     else
122                         mpd.id = naughty.notify(common).id
123                     end
124
125                 end
126             elseif mpd_now.state ~= "pause" then
127                 helpers.set_map("current mpd track", nil)
128             end
129         end)
130     end
131
132     helpers.newtimer("mpd", timeout, mpd.update)
133
134     return mpd
135 end
136
137 return setmetatable(mpd, { __call = function(_, ...) return worker(...) end })