DecompressionStream.h

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

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* 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_DECOMPRESSIONSTREAM_H_

#define DOM_DECOMPRESSIONSTREAM_H_

#include "js/TypeDecls.h"

#include "mozilla/Attributes.h"

#include "mozilla/ErrorResult.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "nsCycleCollectionParticipant.h"

#include "nsWrapperCache.h"

namespace mozilla::dom {

class ReadableStream;

class WritableStream;

class TransformStream;

enum class CompressionFormat : uint8_t;

class DecompressionStream final : public nsISupports, public nsWrapperCache {

 public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(DecompressionStream)

 public:

  DecompressionStream(nsISupports* aGlobal, TransformStream& aStream);

 protected:

  ~DecompressionStream();

 public:

  nsISupports* GetParentObject() const { return mGlobal; }

  JSObject* WrapObject(JSContext* aCx,

                       JS::Handle<JSObject*> aGivenProto) override;

  // TODO: Mark as MOZ_CAN_RUN_SCRIPT when IDL constructors can be (bug 1749042)

  MOZ_CAN_RUN_SCRIPT_BOUNDARY static already_AddRefed<DecompressionStream>

  Constructor(const GlobalObject& global, CompressionFormat format,

              ErrorResult& aRv);

  already_AddRefed<ReadableStream> Readable() const;

  already_AddRefed<WritableStream> Writable() const;

 private:

  nsCOMPtr<nsISupports> mGlobal;

  RefPtr<TransformStream> mStream;

};

}  // namespace mozilla::dom

#endif  // DOM_DECOMPRESSIONSTREAM_H_