{-# LANGUAGE CPP #-}
{-# LANGUAGE PatternSynonyms #-}
-- For HasCallStack compatibility
{-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
module JSDOM.Generated.BeforeUnloadEvent
       (setReturnValue, getReturnValue, BeforeUnloadEvent(..),
        gTypeBeforeUnloadEvent)
       where
import Prelude ((.), (==), (>>=), return, IO, Int, Float, Double, Bool(..), Maybe, maybe, fromIntegral, round, realToFrac, fmap, Show, Read, Eq, Ord, Maybe(..))
import qualified Prelude (error)
import Data.Typeable (Typeable)
import Language.Javascript.JSaddle (JSM(..), JSVal(..), JSString, strictEqual, toJSVal, valToStr, valToNumber, valToBool, js, jss, jsf, jsg, function, new, array)
import Data.Int (Int64)
import Data.Word (Word, Word64)
import JSDOM.Types
import Control.Applicative ((<$>))
import Control.Monad (void)
import Control.Lens.Operators ((^.))
import JSDOM.EventTargetClosures (EventName, unsafeEventName)
import JSDOM.Enums
#if MIN_VERSION_base(4,9,0)
import GHC.Stack (HasCallStack)
#elif MIN_VERSION_base(4,8,0)
import GHC.Stack (CallStack)
import GHC.Exts (Constraint)
type HasCallStack = ((?callStack :: CallStack) :: Constraint)
#else
import GHC.Exts (Constraint)
type HasCallStack = (() :: Constraint)
#endif

-- | <https://developer.mozilla.org/en-US/docs/Web/API/BeforeUnloadEvent.returnValue Mozilla BeforeUnloadEvent.returnValue documentation> 
setReturnValue ::
               (MonadDOM m, ToJSString val) => BeforeUnloadEvent -> val -> m ()
setReturnValue self val
  = liftDOM (self ^. jss "returnValue" (toJSVal val))

-- | <https://developer.mozilla.org/en-US/docs/Web/API/BeforeUnloadEvent.returnValue Mozilla BeforeUnloadEvent.returnValue documentation> 
getReturnValue ::
               (MonadDOM m, FromJSString result) => BeforeUnloadEvent -> m result
getReturnValue self
  = liftDOM ((self ^. js "returnValue") >>= fromJSValUnchecked)