{-# LANGUAGE PatternSynonyms #-}
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE JavaScriptFFI #-}
-- For HasCallStack compatibility
{-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
module GHCJS.DOM.JSFFI.Generated.MediaTrackConstraints
       (js_getMandatory, getMandatory, getMandatoryUnsafe,
        getMandatoryUnchecked, js_getOptional, getOptional,
        MediaTrackConstraints(..), gTypeMediaTrackConstraints)
       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)
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 GHCJS.DOM.Types
import Control.Applicative ((<$>))
import GHCJS.DOM.EventTargetClosures (EventName, unsafeEventName)
import GHCJS.DOM.JSFFI.Generated.Enums
 
foreign import javascript unsafe "$1[\"mandatory\"]"
        js_getMandatory :: MediaTrackConstraints -> IO JSVal

-- | <https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints.mandatory Mozilla MediaTrackConstraints.mandatory documentation> 
getMandatory ::
             (MonadIO m) =>
               MediaTrackConstraints -> m (Maybe MediaTrackConstraintSet)
getMandatory self
  = liftIO ((js_getMandatory (self)) >>= fromJSValUnchecked)

-- | <https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints.mandatory Mozilla MediaTrackConstraints.mandatory documentation> 
getMandatoryUnsafe ::
                   (MonadIO m, HasCallStack) =>
                     MediaTrackConstraints -> m MediaTrackConstraintSet
getMandatoryUnsafe self
  = liftIO
      (((js_getMandatory (self)) >>= fromJSValUnchecked) >>=
         maybe (Prelude.error "Nothing to return") return)

-- | <https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints.mandatory Mozilla MediaTrackConstraints.mandatory documentation> 
getMandatoryUnchecked ::
                      (MonadIO m) => MediaTrackConstraints -> m MediaTrackConstraintSet
getMandatoryUnchecked self
  = liftIO ((js_getMandatory (self)) >>= fromJSValUnchecked)
 
foreign import javascript unsafe "$1[\"optional\"]" js_getOptional
        :: MediaTrackConstraints -> IO JSVal

-- | <https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints.optional Mozilla MediaTrackConstraints.optional documentation> 
getOptional ::
            (MonadIO m) =>
              MediaTrackConstraints -> m (Maybe [Maybe MediaTrackConstraint])
getOptional self
  = liftIO ((js_getOptional (self)) >>= fromJSValUnchecked)