90 lines
2.8 KiB
Haskell
90 lines
2.8 KiB
Haskell
--------------------------------------------------------------------------------
|
|
-- | Module for monitoring removable drive events
|
|
--
|
|
-- Currently, its only purpose is to play Super Mario sounds when a drive is
|
|
-- inserted or removed. Why? Because I can.
|
|
|
|
module XMonad.Internal.DBus.Removable (runRemovableMon) where
|
|
|
|
import Control.Monad
|
|
|
|
import Data.Internal.DBus
|
|
import Data.Internal.Dependency
|
|
import Data.Map.Strict (Map, member)
|
|
|
|
import DBus
|
|
import DBus.Client
|
|
|
|
import XMonad.Core (io)
|
|
import XMonad.Internal.Command.Desktop
|
|
|
|
bus :: BusName
|
|
bus = busName_ "org.freedesktop.UDisks2"
|
|
|
|
path :: ObjectPath
|
|
path = objectPath_ "/org/freedesktop/UDisks2"
|
|
|
|
interface :: InterfaceName
|
|
interface = interfaceName_ "org.freedesktop.DBus.ObjectManager"
|
|
|
|
memAdded :: MemberName
|
|
memAdded = memberName_ "InterfacesAdded"
|
|
|
|
memRemoved :: MemberName
|
|
memRemoved = memberName_ "InterfacesRemoved"
|
|
|
|
dbusDep :: MemberName -> DBusDependency_ SysClient
|
|
dbusDep m = Endpoint [Package Official "udisks2"] bus path interface $ Signal_ m
|
|
|
|
addedDep :: DBusDependency_ SysClient
|
|
addedDep = dbusDep memAdded
|
|
|
|
removedDep :: DBusDependency_ SysClient
|
|
removedDep = dbusDep memRemoved
|
|
|
|
driveInsertedSound :: FilePath
|
|
driveInsertedSound = "smb_powerup.wav"
|
|
|
|
driveRemovedSound :: FilePath
|
|
driveRemovedSound = "smb_pipe.wav"
|
|
|
|
ruleUdisks :: MatchRule
|
|
ruleUdisks = matchAny
|
|
{ matchPath = Just path
|
|
, matchInterface = Just interface
|
|
}
|
|
|
|
driveFlag :: String
|
|
driveFlag = "org.freedesktop.UDisks2.Drive"
|
|
|
|
addedHasDrive :: [Variant] -> Bool
|
|
addedHasDrive [_, a] = maybe False (member driveFlag)
|
|
(fromVariant a :: Maybe (Map String (Map String Variant)))
|
|
addedHasDrive _ = False
|
|
|
|
removedHasDrive :: [Variant] -> Bool
|
|
removedHasDrive [_, a] = maybe False (driveFlag `elem`)
|
|
(fromVariant a :: Maybe [String])
|
|
removedHasDrive _ = False
|
|
|
|
playSoundMaybe :: FilePath -> Bool -> IO ()
|
|
playSoundMaybe p b = when b $ io $ playSound p
|
|
|
|
-- NOTE: the udisks2 service should be already running for this module to work.
|
|
-- If it not already, we won't see any signals from the dbus until it is
|
|
-- started (it will work after it is started however). It seems safe to simply
|
|
-- enable the udisks2 service at boot; however this is not default behavior.
|
|
listenDevices :: SysClient -> IO ()
|
|
listenDevices cl = do
|
|
addMatch' memAdded driveInsertedSound addedHasDrive
|
|
addMatch' memRemoved driveRemovedSound removedHasDrive
|
|
where
|
|
addMatch' m p f = void $ addMatch (toClient cl) ruleUdisks { matchMember = Just m }
|
|
$ playSoundMaybe p . f . signalBody
|
|
|
|
runRemovableMon :: Maybe SysClient -> SometimesIO
|
|
runRemovableMon cl =
|
|
sometimesDBus cl "removeable device monitor" "dbus monitor" deps listenDevices
|
|
where
|
|
deps = toAnd_ addedDep removedDep
|