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92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ReadableStreamBYOBReader_h
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#define mozilla_dom_ReadableStreamBYOBReader_h
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#include "js/TypeDecls.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/ReadableStreamGenericReader.h"
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#include "mozilla/dom/TypedArray.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsWrapperCache.h"
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#include "mozilla/LinkedList.h"
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namespace mozilla::dom {
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class Promise;
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struct ReadIntoRequest;
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class ReadableStream;
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} // namespace mozilla::dom
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namespace mozilla::dom {
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class ReadableStreamBYOBReader final : public ReadableStreamGenericReader,
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public nsWrapperCache {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS_INHERITED(
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ReadableStreamBYOBReader, ReadableStreamGenericReader)
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public:
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explicit ReadableStreamBYOBReader(nsISupports* aGlobal);
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bool IsDefault() override { return false; };
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bool IsBYOB() override { return true; }
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ReadableStreamDefaultReader* AsDefault() override {
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MOZ_CRASH("Should have verified IsDefault first");
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return nullptr;
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}
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ReadableStreamBYOBReader* AsBYOB() override { return this; }
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<ReadableStreamBYOBReader> Constructor(
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const GlobalObject& global, ReadableStream& stream, ErrorResult& rv);
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MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Read(
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const ArrayBufferView& aArray, ErrorResult& rv);
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void ReleaseLock(ErrorResult& rv);
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LinkedList<RefPtr<ReadIntoRequest>>& ReadIntoRequests() {
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return mReadIntoRequests;
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}
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private:
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~ReadableStreamBYOBReader() override = default;
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LinkedList<RefPtr<ReadIntoRequest>> mReadIntoRequests;
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};
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namespace streams_abstract {
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already_AddRefed<ReadableStreamBYOBReader> AcquireReadableStreamBYOBReader(
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ReadableStream* aStream, ErrorResult& aRv);
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MOZ_CAN_RUN_SCRIPT void ReadableStreamBYOBReaderRead(
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JSContext* aCx, ReadableStreamBYOBReader* aReader,
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JS::Handle<JSObject*> aView, ReadIntoRequest* aReadIntoRequest,
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ErrorResult& aRv);
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void ReadableStreamBYOBReaderErrorReadIntoRequests(
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JSContext* aCx, ReadableStreamBYOBReader* aReader,
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JS::Handle<JS::Value> aError, ErrorResult& aRv);
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void ReadableStreamBYOBReaderRelease(JSContext* aCx,
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ReadableStreamBYOBReader* aReader,
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ErrorResult& aRv);
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} // namespace streams_abstract
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} // namespace mozilla::dom
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#endif // mozilla_dom_ReadableStreamBYOBReader_h
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