ReadableStreamBYOBRequest.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 mozilla_dom_ReadableStreamBYOBRequest_h

#define mozilla_dom_ReadableStreamBYOBRequest_h

#include "js/RootingAPI.h"

#include "js/TypeDecls.h"

#include "mozilla/Attributes.h"

#include "mozilla/ErrorResult.h"

#include "mozilla/HoldDropJSObjects.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "mozilla/dom/TypedArray.h"

#include "nsCOMPtr.h"

#include "nsCycleCollectionParticipant.h"

#include "nsWrapperCache.h"

#include "nsIGlobalObject.h"

namespace mozilla::dom {

class ReadableByteStreamController;

class ReadableStreamBYOBRequest final : public nsISupports,

                                        public nsWrapperCache {

 public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ReadableStreamBYOBRequest)

 public:

  explicit ReadableStreamBYOBRequest(nsIGlobalObject* aGlobal);

 protected:

  ~ReadableStreamBYOBRequest();

 public:

  nsIGlobalObject* GetParentObject() const { return mGlobal; }

  JSObject* WrapObject(JSContext* aCx,

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

  void GetView(JSContext* cx, JS::MutableHandle<JSObject*> aRetVal) const;

  MOZ_CAN_RUN_SCRIPT void Respond(JSContext* aCx, uint64_t bytesWritten,

                                  ErrorResult& aRv);

  MOZ_CAN_RUN_SCRIPT void RespondWithNewView(JSContext* aCx,

                                             const ArrayBufferView& view,

                                             ErrorResult& aRv);

  ReadableByteStreamController* Controller() { return mController; }

  void SetController(ReadableByteStreamController* aController);

  JSObject* View() { return mView; }

  void SetView(JS::Handle<JSObject*> aView) { mView = aView; }

 private:

  // Internal Slots

  nsCOMPtr<nsIGlobalObject> mGlobal;

  RefPtr<ReadableByteStreamController> mController;

  JS::Heap<JSObject*> mView;

};

}  // namespace mozilla::dom

#endif