xmonad-config/lib/Xmobar/Plugins/VPN.hs

55 lines
1.4 KiB
Haskell

{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
--------------------------------------------------------------------------------
-- | VPN plugin
--
-- Use the NetworkManger interface on DBus to check status
module Xmobar.Plugins.VPN
( VPN(..)
, vpnAlias
, vpnBus
, vpnPath
) where
import DBus
import DBus.Client
import XMonad.Hooks.DynamicLog (xmobarColor)
import Xmobar
data VPN = VPN (String, String, String) Int
deriving (Read, Show)
callConnectionType :: Client -> IO (Either MethodError Variant)
callConnectionType client =
getProperty client (methodCall vpnPath
"org.freedesktop.NetworkManager" "PrimaryConnectionType")
{ methodCallDestination = Just vpnBus }
vpnBus :: BusName
vpnBus = "org.freedesktop.NetworkManager"
vpnPath :: ObjectPath
vpnPath = "/org/freedesktop/NetworkManager"
vpnAlias :: String
vpnAlias = "vpn"
instance Exec VPN where
alias (VPN _ _) = vpnAlias
rate (VPN _ r) = r
run (VPN (text, colorOn, colorOff) _) = do
client <- connectSystem
reply <- callConnectionType client
disconnect client
return $ fmtState $ procReply reply
where
procReply = \case
Right r -> (fromVariant r :: Maybe String)
Left _ -> Nothing
fmtState = \case
Just s -> xmobarColor (if s == "vpn" then colorOn else colorOff) "" text
Nothing -> "N/A"