зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.4 KiB
C++
78 строки
2.4 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_ReadableStreamGenericReader_h
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#define mozilla_dom_ReadableStreamGenericReader_h
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/ReadableStreamDefaultReaderBinding.h"
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#include "nsISupports.h"
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#include "nsCycleCollectionParticipant.h"
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namespace mozilla::dom {
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class ReadableStream;
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class ReadableStreamDefaultReader;
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class ReadableStreamBYOBReader;
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// Base class for internal slots of readable stream readers
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class ReadableStreamGenericReader : public nsISupports {
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ReadableStreamGenericReader)
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explicit ReadableStreamGenericReader(nsCOMPtr<nsIGlobalObject> aGlobal)
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: mGlobal(std::move(aGlobal)) {}
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nsIGlobalObject* GetParentObject() const { return mGlobal; }
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virtual bool IsDefault() = 0;
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virtual bool IsBYOB() = 0;
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virtual ReadableStreamDefaultReader* AsDefault() = 0;
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virtual ReadableStreamBYOBReader* AsBYOB() = 0;
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Promise* ClosedPromise() { return mClosedPromise; }
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void SetClosedPromise(already_AddRefed<Promise>&& aClosedPromise) {
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mClosedPromise = aClosedPromise;
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}
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ReadableStream* GetStream() { return mStream; }
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void SetStream(already_AddRefed<ReadableStream>&& aStream) {
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mStream = aStream;
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}
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void SetStream(ReadableStream* aStream) {
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RefPtr<ReadableStream> stream(aStream);
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SetStream(stream.forget());
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}
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// IDL Methods
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already_AddRefed<Promise> Closed() const;
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MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Cancel(
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JSContext* aCx, JS::Handle<JS::Value> aReason, ErrorResult& aRv);
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protected:
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virtual ~ReadableStreamGenericReader() = default;
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nsCOMPtr<nsIGlobalObject> mGlobal;
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RefPtr<Promise> mClosedPromise;
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RefPtr<ReadableStream> mStream;
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};
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namespace streams_abstract {
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bool ReadableStreamReaderGenericInitialize(ReadableStreamGenericReader* aReader,
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ReadableStream* aStream);
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void ReadableStreamReaderGenericRelease(ReadableStreamGenericReader* 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
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