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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 ) 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", "plength"
, "name", "artist", "composer", "performer"
, "album", "title", "track", "trackno", "file", "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
status <- io $ M.withMPD M.status
song <- io $ M.withMPD M.currentSong
opts <- io $ mopts args
let (b, s) = parseMPD status song opts
bs <- showPercentBar (100 * b) b
parseTemplate (bs:s)
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
-> (Float, [String])
parseMPD (Left e) _ _ = (0, show e:repeat "")
parseMPD (Right st) song opts = (b, [ss, si, vol, len, lap, plen] ++ sf)
where s = M.stState st
ss = show s
si = stateGlyph s opts
vol = int2Str $ M.stVolume st
(lap, len) = (showTime p, showTime t)
(p, t) = M.stTime st
b = if t > 0 then fromIntegral p / fromIntegral t else 0
plen = int2Str $ M.stPlaylistLength st
sf = parseSong song
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) -> [String]
parseSong (Left _) = repeat ""
parseSong (Right Nothing) = repeat ""
parseSong (Right (Just s)) =
[ M.sgName s, M.sgArtist s, M.sgComposer s, M.sgPerformer s
, M.sgAlbum s, M.sgTitle s, track, trackno, M.sgFilePath s, M.sgGenre s]
where (track, trackno) = (int2Str t, int2Str tn)
(t, tn) = M.sgTrack s
showTime :: Integer -> String
showTime t = int2Str minutes ++ ":" ++ int2Str seconds
where minutes = t `div` 60
seconds = t `mod` 60
int2Str :: (Num a, Ord a) => a -> String
int2Str x = if x < 10 then '0':sx else sx where sx = show x
|