Initial commit

lib/lain/widget/mpd.lua

@@ -0,0 +1,159 @@
+--[[
+
+     Licensed under GNU General Public License v2
+      * (c) 2013, Luca CPZ
+      * (c) 2010, Adrian C. <anrxc@sysphere.org>
+
+--]]
+
+local helpers = require('lain.helpers')
+local shell = require('awful.util').shell
+local escape_f = require('awful.util').escape
+local focused = require('awful.screen').focused
+local naughty = require('naughty')
+local wibox = require('wibox')
+local os = os
+local string = string
+
+-- MPD infos
+-- lain.widget.mpd
+
+local function factory(args)
+	args = args or {}
+
+	local mpd = { widget = args.widget or wibox.widget.textbox() }
+	local timeout = args.timeout or 2
+	local password = (args.password and #args.password > 0 and string.format('password %s\\n', args.password)) or ''
+	local host = args.host or os.getenv('MPD_HOST') or '127.0.0.1'
+	local port = args.port or os.getenv('MPD_PORT') or '6600'
+	local music_dir = args.music_dir or os.getenv('HOME') .. '/Music'
+	local cover_pattern = args.cover_pattern or '*\\.(jpg|jpeg|png|gif)$'
+	local cover_size = args.cover_size or 100
+	local default_art = args.default_art
+	local notify = args.notify or 'on'
+	local followtag = args.followtag or false
+	local settings = args.settings or function() end
+
+	local mpdh = string.format('telnet://%s:%s', host, port)
+	local echo = string.format('printf "%sstatus\\ncurrentsong\\nclose\\n"', password)
+	local cmd = string.format('%s | curl --connect-timeout 1 -fsm 3 %s', echo, mpdh)
+
+	mpd_notification_preset = { title = 'Now playing', timeout = 6 }
+
+	helpers.set_map('current mpd track', nil)
+
+	function mpd.update()
+		helpers.async({ shell, '-c', cmd }, function(f)
+			mpd_now = {
+				random_mode = false,
+				single_mode = false,
+				repeat_mode = false,
+				consume_mode = false,
+				pls_pos = 'N/A',
+				pls_len = 'N/A',
+				state = 'N/A',
+				file = 'N/A',
+				name = 'N/A',
+				artist = 'N/A',
+				title = 'N/A',
+				album = 'N/A',
+				genre = 'N/A',
+				track = 'N/A',
+				date = 'N/A',
+				time = 'N/A',
+				elapsed = 'N/A',
+				volume = 'N/A',
+			}
+
+			for line in string.gmatch(f, '[^\n]+') do
+				for k, v in string.gmatch(line, '([%w]+):[%s](.*)$') do
+					if k == 'state' then
+						mpd_now.state = v
+					elseif k == 'file' then
+						mpd_now.file = v
+					elseif k == 'Name' then
+						mpd_now.name = escape_f(v)
+					elseif k == 'Artist' then
+						mpd_now.artist = escape_f(v)
+					elseif k == 'Title' then
+						mpd_now.title = escape_f(v)
+					elseif k == 'Album' then
+						mpd_now.album = escape_f(v)
+					elseif k == 'Genre' then
+						mpd_now.genre = escape_f(v)
+					elseif k == 'Track' then
+						mpd_now.track = escape_f(v)
+					elseif k == 'Date' then
+						mpd_now.date = escape_f(v)
+					elseif k == 'Time' then
+						mpd_now.time = v
+					elseif k == 'elapsed' then
+						mpd_now.elapsed = string.match(v, '%d+')
+					elseif k == 'song' then
+						mpd_now.pls_pos = v
+					elseif k == 'playlistlength' then
+						mpd_now.pls_len = v
+					elseif k == 'repeat' then
+						mpd_now.repeat_mode = v ~= '0'
+					elseif k == 'single' then
+						mpd_now.single_mode = v ~= '0'
+					elseif k == 'random' then
+						mpd_now.random_mode = v ~= '0'
+					elseif k == 'consume' then
+						mpd_now.consume_mode = v ~= '0'
+					elseif k == 'volume' then
+						mpd_now.volume = v
+					end
+				end
+			end
+
+			mpd_notification_preset.text =
+				string.format('%s (%s) - %s\n%s', mpd_now.artist, mpd_now.album, mpd_now.date, mpd_now.title)
+			widget = mpd.widget
+			settings()
+
+			if mpd_now.state == 'play' then
+				if notify == 'on' and mpd_now.title ~= helpers.get_map('current mpd track') then
+					helpers.set_map('current mpd track', mpd_now.title)
+
+					if followtag then
+						mpd_notification_preset.screen = focused()
+					end
+
+					local common = {
+						preset = mpd_notification_preset,
+						icon = default_art,
+						icon_size = cover_size,
+						replaces_id = mpd.id,
+					}
+
+					if not string.match(mpd_now.file, 'http.*://') then -- local file instead of http stream
+						local path = string.format('%s/%s', music_dir, string.match(mpd_now.file, '.*/'))
+						local cover = string.format(
+							"find '%s' -maxdepth 1 -type f | egrep -i -m1 '%s'",
+							path:gsub("'", "'\\''"),
+							cover_pattern
+						)
+						helpers.async({ shell, '-c', cover }, function(current_icon)
+							common.icon = current_icon:gsub('\n', '')
+							if #common.icon == 0 then
+								common.icon = nil
+							end
+							mpd.id = naughty.notify(common).id
+						end)
+					else
+						mpd.id = naughty.notify(common).id
+					end
+				end
+			elseif mpd_now.state ~= 'pause' then
+				helpers.set_map('current mpd track', nil)
+			end
+		end)
+	end
+
+	mpd.timer = helpers.newtimer('mpd', timeout, mpd.update, true, true)
+
+	return mpd
+end
+
+return factory