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Diffstat (limited to 'src/Plugins/Monitors/MPD.hs')
-rw-r--r-- | src/Plugins/Monitors/MPD.hs | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/Plugins/Monitors/MPD.hs b/src/Plugins/Monitors/MPD.hs new file mode 100644 index 0000000..daf0ed4 --- /dev/null +++ b/src/Plugins/Monitors/MPD.hs @@ -0,0 +1,115 @@ +----------------------------------------------------------------------------- +-- | +-- 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", "remaining", "plength", "ppos", "file" + , "name", "artist", "composer", "performer" + , "album", "title", "track", "genre" + ] + +data MOpts = MOpts + { mPlaying :: String + , mStopped :: String + , mPaused :: String + , mHost :: String + , mPort :: Integer + , mPassword :: String + } + +defaultOpts :: MOpts +defaultOpts = MOpts + { mPlaying = ">>" + , mStopped = "><" + , mPaused = "||" + , mHost = "127.0.0.1" + , mPort = 6600 + , mPassword = "" + } + +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 }) "") "" + , Option "h" ["host"] (ReqArg (\x o -> o { mHost = x }) "") "" + , Option "p" ["port"] (ReqArg (\x o -> o { mPort = read x }) "") "" + , Option "x" ["password"] (ReqArg (\x o -> o { mPassword = x }) "") "" + ] + +runMPD :: [String] -> Monitor String +runMPD args = do + opts <- io $ mopts args + let mpd = M.withMPDEx (mHost opts) (mPort opts) (mPassword opts) + status <- io $ mpd M.status + song <- io $ mpd M.currentSong + s <- parseMPD status song opts + parseTemplate 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 + -> 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 (M.sgGet sel s) + sels = [ M.Name, M.Artist, M.Composer, M.Performer + , M.Album, M.Title, M.Track, M.Genre ] + fields = 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 :: (Num a, Ord a) => a -> String +int2str x = if x < 10 then '0':sx else sx where sx = show x |