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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_ReadIntoRequest_h
#define mozilla_dom_ReadIntoRequest_h
#include "js/TypeDecls.h"
#include "js/Value.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/LinkedList.h"
#include "mozilla/RefPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h"
namespace mozilla::dom {
// This list element needs to be cycle collected by owning structures.
struct ReadIntoRequest : public nsISupports,
public LinkedListElement<RefPtr<ReadIntoRequest>> {
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(ReadIntoRequest)
// An algorithm taking a chunk, called when a chunk is available for reading
virtual void ChunkSteps(JSContext* aCx, JS::Handle<JS::Value> aChunk,
ErrorResult& aRv) = 0;
// An algorithm taking a chunk or undefined, called when no chunks are
// available because the stream is closed
MOZ_CAN_RUN_SCRIPT
virtual void CloseSteps(JSContext* aCx, JS::Handle<JS::Value> aChunk,
ErrorResult& aRv) = 0;
// An algorithm taking a JavaScript value, called when no chunks are available
// because the stream is errored
virtual void ErrorSteps(JSContext* aCx, JS::Handle<JS::Value> e,
ErrorResult& aRv) = 0;
protected:
virtual ~ReadIntoRequest() = default;
};
} // namespace mozilla::dom
#endif
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