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Diffstat (limited to 'Plugins/Mail.hs')
-rw-r--r-- | Plugins/Mail.hs | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/Plugins/Mail.hs b/Plugins/Mail.hs deleted file mode 100644 index 38cdaae..0000000 --- a/Plugins/Mail.hs +++ /dev/null @@ -1,70 +0,0 @@ ------------------------------------------------------------------------------ --- | --- Module : Plugins.Mail --- Copyright : (c) Spencer Janssen --- License : BSD-style (see LICENSE) --- --- Maintainer : Spencer Janssen <sjanssen@cse.unl.edu> --- Stability : unstable --- Portability : unportable --- --- A plugin for checking mail. --- ------------------------------------------------------------------------------ - -module Plugins.Mail where - -import Prelude hiding (catch) -import Plugins -import Plugins.Utils (expandHome, changeLoop) - -import Control.Monad -import Control.Concurrent.STM - -import System.Directory -import System.FilePath -import System.INotify - -import Data.List (isPrefixOf) -import Data.Set (Set) -import qualified Data.Set as S - --- | A list of mail box names and paths to maildirs. -data Mail = Mail [(String, FilePath)] - deriving (Read, Show) - -instance Exec Mail where - start (Mail ms) cb = do - vs <- mapM (const $ newTVarIO S.empty) ms - - let ts = map fst ms - rs = map ((</> "new") . snd) ms - ev = [Move, MoveIn, MoveOut, Create, Delete] - - ds <- mapM expandHome rs - i <- initINotify - zipWithM_ (\d v -> addWatch i ev d (handle v)) ds vs - - forM_ (zip ds vs) $ \(d, v) -> do - s <- fmap (S.fromList . filter (not . isPrefixOf ".")) - $ getDirectoryContents d - atomically $ modifyTVar v (S.union s) - - changeLoop (mapM (fmap S.size . readTVar) vs) $ \ns -> - cb . unwords $ [m ++ ":" ++ show n - | (m, n) <- zip ts ns - , n /= 0 ] - -modifyTVar :: TVar a -> (a -> a) -> STM () -modifyTVar v f = readTVar v >>= writeTVar v . f - -handle :: TVar (Set String) -> Event -> IO () -handle v e = atomically $ modifyTVar v $ case e of - Created {} -> create - MovedIn {} -> create - Deleted {} -> delete - MovedOut {} -> delete - _ -> id - where - delete = S.delete (filePath e) - create = S.insert (filePath e) |