GainOptions.hs

{-# LANGUAGE PatternSynonyms #-}
{-# LANGUAGE ForeignFunctionInterface, JavaScriptFFI #-}
{-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
-- | Generated by dom-gen from webaudio-1.1 (webref). Do not edit.
module GHCJS.DOM.JSFFI.Generated.GainOptions
       (js_newGainOptions, js_setGain, js_getGain, newGainOptions, setGain, getGain, getGainUnsafe, getGainUnchecked, GainOptions(..), gTypeGainOptions)
       where
import Prelude ((.), (==), (>>=), (<$>), (++), Bool(..), Maybe(..), IO, Int, Word, Double, Float)
import qualified Prelude as P
import Control.Monad (void)
import GHCJS.Types (JSVal, JSString)
import GHCJS.Foreign (jsUndefined, jsNull)
import GHCJS.DOM.Types
import qualified GHCJS.DOM.Types as Types
import GHCJS.DOM.EventTargetClosures (EventName, unsafeEventName, unsafeEventNameAsync)
import GHCJS.DOM.JSFFI.Generated.Enums

foreign import javascript safe "(() => { return ({}); })"
        js_newGainOptions :: IO GainOptions
-- | <https://webaudio.github.io/web-audio-api/#GainOptions GainOptions specification>
newGainOptions :: (MonadDOM m) => m GainOptions
newGainOptions = liftDOM ((js_newGainOptions))

foreign import javascript safe "(($1, $2) => { $1[\"gain\"] = $2; })"
        js_setGain :: GainOptions -> Float -> IO ()
-- | <https://webaudio.github.io/web-audio-api/#dom-gainoptions-gain GainOptions.gain specification>
setGain :: (MonadDOM m) => GainOptions -> Float -> m ()
setGain self val = liftDOM (void ((js_setGain (self) (val))))

foreign import javascript unsafe "(($1) => { return $1[\"gain\"]; })"
        js_getGain :: GainOptions -> IO JSVal
-- | <https://webaudio.github.io/web-audio-api/#dom-gainoptions-gain GainOptions.gain specification>
getGain :: (MonadDOM m) => GainOptions -> m (Maybe Float)
getGain self = liftDOM (((js_getGain (self)) >>= fromJSValUnchecked))

-- | <https://webaudio.github.io/web-audio-api/#dom-gainoptions-gain GainOptions.gain specification>
getGainUnsafe :: (MonadDOM m, HasCallStack) => GainOptions -> m Float
getGainUnsafe self = liftDOM ((((js_getGain (self)) >>= fromJSValUnchecked) >>= P.maybe (P.error "Nothing to return") P.return))

-- | <https://webaudio.github.io/web-audio-api/#dom-gainoptions-gain GainOptions.gain specification>
getGainUnchecked :: (MonadDOM m) => GainOptions -> m Float
getGainUnchecked self = liftDOM ((pFromJSVal <$> (js_getGain (self))))