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|
-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.MPD
-- Copyright : (c) Jose A Ortega Ruiz
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- MPD status and song
--
-----------------------------------------------------------------------------
module Plugins.Monitors.MPD ( mpdConfig, runMPD, mpdWait ) where
import Plugins.Monitors.Common
import System.Console.GetOpt
import qualified Network.MPD as M
mpdConfig :: IO MConfig
mpdConfig = mkMConfig "MPD: <state>"
[ "bar", "state", "statei", "volume", "length"
, "lapsed", "remaining", "plength", "ppos", "file"
, "name", "artist", "composer", "performer"
, "album", "title", "track", "genre"
]
data MOpts = MOpts
{ mPlaying :: String
, mStopped :: String
, mPaused :: String
}
defaultOpts :: MOpts
defaultOpts = MOpts
{ mPlaying = ">>"
, mStopped = "><"
, mPaused = "||"
}
options :: [OptDescr (MOpts -> MOpts)]
options =
[ Option "P" ["playing"] (ReqArg (\x o -> o { mPlaying = x }) "") ""
, Option "S" ["stopped"] (ReqArg (\x o -> o { mStopped = x }) "") ""
, Option "Z" ["paused"] (ReqArg (\x o -> o { mPaused = x }) "") ""
]
runMPD :: [String] -> Monitor String
runMPD args = do
opts <- io $ mopts args
let mpd = M.withMPD
status <- io $ mpd M.status
song <- io $ mpd M.currentSong
s <- parseMPD status song opts
parseTemplate s
mpdWait :: IO ()
mpdWait = M.withMPD idle >> return ()
where idle = M.idle [M.PlayerS, M.MixerS]
mopts :: [String] -> IO MOpts
mopts argv =
case getOpt Permute options argv of
(o, _, []) -> return $ foldr id defaultOpts o
(_, _, errs) -> ioError . userError $ concat errs
parseMPD :: M.Response M.Status -> M.Response (Maybe M.Song) -> MOpts
-> Monitor [String]
parseMPD (Left e) _ _ = return $ show e:repeat ""
parseMPD (Right st) song opts = do
songData <- parseSong song
bar <- showPercentBar (100 * b) b
return $ [bar, ss, si, vol, len, lap, remain, plen, ppos] ++ songData
where s = M.stState st
ss = show s
si = stateGlyph s opts
vol = int2str $ M.stVolume st
(p, t) = M.stTime st
[lap, len, remain] = map showTime [floor p, t, max 0 (t - floor p)]
b = if t > 0 then realToFrac $ p / fromIntegral t else 0
plen = int2str $ M.stPlaylistLength st
ppos = maybe "" (int2str . (+1)) $ M.stSongPos st
stateGlyph :: M.State -> MOpts -> String
stateGlyph s o =
case s of
M.Playing -> mPlaying o
M.Paused -> mPaused o
M.Stopped -> mStopped o
parseSong :: M.Response (Maybe M.Song) -> Monitor [String]
parseSong (Left _) = return $ repeat ""
parseSong (Right Nothing) = return $ repeat ""
parseSong (Right (Just s)) =
let join [] = ""
join (x:xs) = foldl (\a o -> a ++ ", " ++ o) x xs
str sel = maybe "" (join . map M.toString) (M.sgGetTag sel s)
sels = [ M.Name, M.Artist, M.Composer, M.Performer
, M.Album, M.Title, M.Track, M.Genre ]
fields = M.toString (M.sgFilePath s) : map str sels
in mapM showWithPadding fields
showTime :: Integer -> String
showTime t = int2str minutes ++ ":" ++ int2str seconds
where minutes = t `div` 60
seconds = t `mod` 60
int2str :: (Show a, Num a, Ord a) => a -> String
int2str x = if x < 10 then '0':sx else sx where sx = show x
|
