gecko-dev/dom/streams/ReadableStreamBYOBReader.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_ReadableStreamBYOBReader_h
#define mozilla_dom_ReadableStreamBYOBReader_h
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/ReadableStreamGenericReader.h"
#include "mozilla/dom/ReadIntoRequest.h"
#include "mozilla/dom/TypedArray.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "mozilla/LinkedList.h"
namespace mozilla {
namespace dom {
class Promise;
class ReadableStream;
} // namespace dom
} // namespace mozilla
namespace mozilla {
namespace dom {
class ReadableStreamBYOBReader final : public ReadableStreamGenericReader,
public nsWrapperCache {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(
ReadableStreamBYOBReader, ReadableStreamGenericReader)
public:
explicit ReadableStreamBYOBReader(nsISupports* aGlobal)
: ReadableStreamGenericReader(do_QueryInterface(aGlobal)) {}
bool IsDefault() override { return false; };
bool IsBYOB() override { return true; }
ReadableStreamDefaultReader* AsDefault() override {
MOZ_CRASH("Should have verified IsDefaultFirst");
return nullptr;
}
ReadableStreamBYOBReader* AsBYOB() override { return this; }
nsIGlobalObject* GetParentObject() const { return nullptr; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<ReadableStreamBYOBReader> Constructor(
const GlobalObject& global, ReadableStream& stream, ErrorResult& rv);
already_AddRefed<Promise> Read(const ArrayBufferView& aArray,
ErrorResult& rv);
void ReleaseLock(ErrorResult& rv);
LinkedList<RefPtr<ReadIntoRequest>>& ReadIntoRequests() {
return mReadIntoRequests;
}
private:
virtual ~ReadableStreamBYOBReader() = default;
LinkedList<RefPtr<ReadIntoRequest>> mReadIntoRequests = {};
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ReadableStreamBYOBReader_h