ladybird/Userland/Libraries/LibWeb/Streams/CountQueuingStrategy.cpp
Shannon Booth 49689e5d8e LibWeb: Implement size attribute of CountQueuingStrategy
Co-authored-by: Matthew Olsson <mattco@serenityos.org>
2023-06-23 13:27:29 +02:00

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1.6 KiB
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/*
* Copyright (c) 2023, Shannon Booth <shannon.ml.booth@gmail.com>
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/CountQueuingStrategyPrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/Window.h>
#include <LibWeb/Streams/CountQueuingStrategy.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::Streams {
// https://streams.spec.whatwg.org/#blqs-constructor
WebIDL::ExceptionOr<JS::NonnullGCPtr<CountQueuingStrategy>> CountQueuingStrategy::construct_impl(JS::Realm& realm, QueuingStrategyInit const& init)
{
// The new CountQueuingStrategy(init) constructor steps are:
// 1. Set this.[[highWaterMark]] to init["highWaterMark"].
return MUST_OR_THROW_OOM(realm.heap().allocate<CountQueuingStrategy>(realm, realm, init.high_water_mark));
}
CountQueuingStrategy::CountQueuingStrategy(JS::Realm& realm, double high_water_mark)
: PlatformObject(realm)
, m_high_water_mark(high_water_mark)
{
}
CountQueuingStrategy::~CountQueuingStrategy() = default;
// https://streams.spec.whatwg.org/#cqs-size
WebIDL::ExceptionOr<JS::NonnullGCPtr<WebIDL::CallbackType>> CountQueuingStrategy::size()
{
// 1. Return this's relevant global object's count queuing strategy size function.
return global_object().count_queuing_strategy_size_function();
}
JS::ThrowCompletionOr<void> CountQueuingStrategy::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::CountQueuingStrategyPrototype>(realm, "CountQueuingStrategy"));
return {};
}
}