{-# LANGUAGE PatternSynonyms #-} {-# LANGUAGE ForeignFunctionInterface #-} {-# LANGUAGE JavaScriptFFI #-} -- For HasCallStack compatibility {-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-} module GHCJS.DOM.JSFFI.Generated.PositionCallback (newPositionCallback, newPositionCallbackSync, newPositionCallbackAsync, PositionCallback) where import Prelude ((.), (==), (>>=), return, IO, Int, Float, Double, Bool(..), Maybe, maybe, fromIntegral, round, fmap, Show, Read, Eq, Ord) import qualified Prelude (error) import Data.Typeable (Typeable) import GHCJS.Types (JSVal(..), JSString) import GHCJS.Foreign (jsNull, jsUndefined) import GHCJS.Foreign.Callback (syncCallback, asyncCallback, syncCallback1, asyncCallback1, syncCallback2, asyncCallback2, OnBlocked(..)) import GHCJS.Marshal (ToJSVal(..), FromJSVal(..)) import GHCJS.Marshal.Pure (PToJSVal(..), PFromJSVal(..)) import Control.Monad (void) import Control.Monad.IO.Class (MonadIO(..)) import Data.Int (Int64) import Data.Word (Word, Word64) import Data.Maybe (fromJust) import Data.Traversable (mapM) import GHCJS.DOM.Types import Control.Applicative ((<$>)) import GHCJS.DOM.EventTargetClosures (EventName, unsafeEventName, unsafeEventNameAsync) import GHCJS.DOM.JSFFI.Generated.Enums -- | newPositionCallback :: (MonadIO m) => (Geoposition -> IO ()) -> m PositionCallback newPositionCallback callback = liftIO (PositionCallback <$> syncCallback1 ThrowWouldBlock (\ position -> fromJSValUnchecked position >>= \ position' -> callback position')) -- | newPositionCallbackSync :: (MonadIO m) => (Geoposition -> IO ()) -> m PositionCallback newPositionCallbackSync callback = liftIO (PositionCallback <$> syncCallback1 ContinueAsync (\ position -> fromJSValUnchecked position >>= \ position' -> callback position')) -- | newPositionCallbackAsync :: (MonadIO m) => (Geoposition -> IO ()) -> m PositionCallback newPositionCallbackAsync callback = liftIO (PositionCallback <$> asyncCallback1 (\ position -> fromJSValUnchecked position >>= \ position' -> callback position'))