56 lines
1.8 KiB
Haskell
56 lines
1.8 KiB
Haskell
{-# LANGUAGE ScopedTypeVariables #-}
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--------------------------------------------------------------------------------
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-- | High-level interface for managing XMonad's DBus
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module XMonad.Internal.DBus.Control
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( Client
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, startXMonadService
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, getDBusClient
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, withDBusClient
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, withDBusClient_
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, stopXMonadService
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, disconnect
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, dbusExporters
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) where
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import Control.Monad (forM_, void)
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import DBus
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import DBus.Client
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import DBus.Internal
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import XMonad.Internal.DBus.Brightness.ClevoKeyboard
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import XMonad.Internal.DBus.Brightness.IntelBacklight
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import XMonad.Internal.DBus.Common
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import XMonad.Internal.DBus.Screensaver
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import XMonad.Internal.Dependency
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startXMonadService :: IO (Maybe Client)
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startXMonadService = do
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client <- getDBusClient False
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forM_ client requestXMonadName
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mapM_ (\f -> executeSometimes $ f client) dbusExporters
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return client
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stopXMonadService :: Client -> IO ()
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stopXMonadService client = do
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void $ releaseName client xmonadBusName
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disconnect client
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requestXMonadName :: Client -> IO ()
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requestXMonadName client = do
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res <- requestName client xmonadBusName []
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-- TODO if the client is not released on shutdown the owner will be different
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let msg | res == NamePrimaryOwner = Nothing
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| res == NameAlreadyOwner = Just $ "this process already owns " ++ xn
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| res == NameInQueue
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|| res == NameExists = Just $ "another process owns " ++ xn
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| otherwise = Just $ "unknown error when requesting " ++ xn
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forM_ msg putStrLn
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where
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xn = "'" ++ formatBusName xmonadBusName ++ "'"
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dbusExporters :: [Maybe Client -> SometimesIO]
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dbusExporters = [exportScreensaver, exportIntelBacklight, exportClevoKeyboard]
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