WebTransportStreams.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef DOM_WEBTRANSPORT_API_WEBTRANSPORTSTREAMS__H_

#define DOM_WEBTRANSPORT_API_WEBTRANSPORTSTREAMS__H_

#include "mozilla/dom/UnderlyingSourceCallbackHelpers.h"

#include "mozilla/dom/WritableStream.h"

namespace mozilla::dom {

class WebTransport;

class WebTransportIncomingStreamsAlgorithms

    : public UnderlyingSourceAlgorithmsWrapper {

 public:

  enum class StreamType : uint8_t { Unidirectional, Bidirectional };

  WebTransportIncomingStreamsAlgorithms(StreamType aUnidirectional,

                                        WebTransport* aTransport);

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(

      WebTransportIncomingStreamsAlgorithms, UnderlyingSourceAlgorithmsWrapper)

  already_AddRefed<Promise> PullCallbackImpl(

      JSContext* aCx, ReadableStreamController& aController,

      ErrorResult& aRv) override;

  // We call EnqueueNative, which is MOZ_CAN_RUN_SCRIPT but won't in this case

  MOZ_CAN_RUN_SCRIPT_BOUNDARY void BuildStream(JSContext* aCx,

                                               ErrorResult& aRv);

  void NotifyIncomingStream();

  void NotifyRejectAll();

 protected:

  ~WebTransportIncomingStreamsAlgorithms() override;

 private:

  const StreamType mUnidirectional;

  RefPtr<WebTransport> mTransport;

  RefPtr<Promise> mCallback;

};

}  // namespace mozilla::dom

#endif  // DOM_WEBTRANSPORT_API_WEBTRANSPORTSTREAMS__H_