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 })