content: {-# LANGUAGE PatternSynonyms #-}
  {-# LANGUAGE ForeignFunctionInterface #-}
  {-# LANGUAGE JavaScriptFFI #-}
  -- For HasCallStack compatibility
  {-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
  module GHCJS.DOM.JSFFI.Generated.BlobCallback
         (newBlobCallback, newBlobCallbackSync, newBlobCallbackAsync,
          BlobCallback)
         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
  
  -- | <https://developer.mozilla.org/en-US/docs/Web/API/BlobCallback Mozilla BlobCallback documentation> 
  newBlobCallback ::
                  (MonadIO m) => (Maybe Blob -> IO ()) -> m BlobCallback
  newBlobCallback callback
    = liftIO
        (BlobCallback <$>
           syncCallback1 ThrowWouldBlock
             (\ blob -> fromJSValUnchecked blob >>= \ blob' -> callback blob'))
  
  -- | <https://developer.mozilla.org/en-US/docs/Web/API/BlobCallback Mozilla BlobCallback documentation> 
  newBlobCallbackSync ::
                      (MonadIO m) => (Maybe Blob -> IO ()) -> m BlobCallback
  newBlobCallbackSync callback
    = liftIO
        (BlobCallback <$>
           syncCallback1 ContinueAsync
             (\ blob -> fromJSValUnchecked blob >>= \ blob' -> callback blob'))
  
  -- | <https://developer.mozilla.org/en-US/docs/Web/API/BlobCallback Mozilla BlobCallback documentation> 
  newBlobCallbackAsync ::
                       (MonadIO m) => (Maybe Blob -> IO ()) -> m BlobCallback
  newBlobCallbackAsync callback
    = liftIO
        (BlobCallback <$>
           asyncCallback1
             (\ blob -> fromJSValUnchecked blob >>= \ blob' -> callback blob'))