/*
 * Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibWeb/Streams/ReadableByteStreamController.h>
#include <LibWeb/Streams/ReadableStream.h>
#include <LibWeb/Streams/ReadableStreamBYOBRequest.h>

namespace Web::Streams {

// https://streams.spec.whatwg.org/#rbs-controller-desired-size
Optional<double> ReadableByteStreamController::desired_size() const
{
    // 1. Return ! ReadableByteStreamControllerGetDesiredSize(this).
    return readable_byte_stream_controller_get_desired_size(*this);
}

ReadableByteStreamController::ReadableByteStreamController(JS::Realm& realm)
    : Bindings::PlatformObject(realm)
{
}

void ReadableByteStreamController::visit_edges(Cell::Visitor& visitor)
{
    Base::visit_edges(visitor);
    visitor.visit(m_byob_request);
    for (auto const& pending_pull_into : m_pending_pull_intos) {
        visitor.visit(pending_pull_into.buffer);
        visitor.visit(pending_pull_into.view_constructor);
    }
    for (auto const& item : m_queue)
        visitor.visit(item.buffer);
    visitor.visit(m_stream);
}

}