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