60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Function.h>
|
|
#include <AK/SinglyLinkedList.h>
|
|
#include <LibJS/Forward.h>
|
|
#include <LibWeb/Bindings/PlatformObject.h>
|
|
#include <LibWeb/Forward.h>
|
|
#include <LibWeb/Streams/ReadableStreamGenericReader.h>
|
|
|
|
namespace Web::Streams {
|
|
|
|
struct ReadableStreamReadResult {
|
|
JS::Value value;
|
|
bool done;
|
|
};
|
|
|
|
class ReadRequest : public RefCounted<ReadRequest> {
|
|
public:
|
|
virtual ~ReadRequest() = default;
|
|
|
|
virtual void on_chunk(JS::Value chunk) = 0;
|
|
virtual void on_close() = 0;
|
|
virtual void on_error(JS::Value error) = 0;
|
|
};
|
|
|
|
// https://streams.spec.whatwg.org/#readablestreamdefaultreader
|
|
class ReadableStreamDefaultReader final
|
|
: public Bindings::PlatformObject
|
|
, public ReadableStreamGenericReaderMixin {
|
|
WEB_PLATFORM_OBJECT(ReadableStreamDefaultReader, Bindings::PlatformObject);
|
|
|
|
public:
|
|
static WebIDL::ExceptionOr<JS::NonnullGCPtr<ReadableStreamDefaultReader>> construct_impl(JS::Realm&, JS::NonnullGCPtr<ReadableStream>);
|
|
|
|
virtual ~ReadableStreamDefaultReader() override = default;
|
|
|
|
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> read();
|
|
WebIDL::ExceptionOr<void> release_lock();
|
|
|
|
SinglyLinkedList<NonnullRefPtr<ReadRequest>>& read_requests() { return m_read_requests; }
|
|
|
|
virtual bool is_default_reader() const override { return true; }
|
|
|
|
private:
|
|
explicit ReadableStreamDefaultReader(JS::Realm&);
|
|
|
|
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
|
|
|
|
virtual void visit_edges(Cell::Visitor&) override;
|
|
|
|
SinglyLinkedList<NonnullRefPtr<ReadRequest>> m_read_requests;
|
|
};
|
|
|
|
}
|