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LibWeb: Implement CountQueuingStrategy highWaterMark property

This commit is contained in:
Shannon Booth 2023-06-18 19:43:56 +12:00 committed by Andreas Kling
parent 0d714ad165
commit c9941ba95b
6 changed files with 95 additions and 0 deletions

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@ -493,6 +493,7 @@ set(SOURCES
SecureContexts/AbstractOperations.cpp
SRI/SRI.cpp
Streams/AbstractOperations.cpp
Streams/CountQueuingStrategy.cpp
Streams/ReadableByteStreamController.cpp
Streams/ReadableStream.cpp
Streams/ReadableStreamBYOBReader.cpp

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@ -535,6 +535,7 @@ class Selection;
}
namespace Web::Streams {
class CountQueuingStrategy;
class ReadableByteStreamController;
class ReadableStream;
class ReadableStreamBYOBReader;

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@ -0,0 +1,38 @@
/*
* Copyright (c) 2023, Shannon Booth <shannon.ml.booth@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/CountQueuingStrategyPrototype.h>
#include <LibWeb/Bindings/Intrinsics.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;
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 {};
}
}

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@ -0,0 +1,43 @@
/*
* Copyright (c) 2023, Shannon Booth <shannon.ml.booth@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <LibJS/Forward.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Forward.h>
#include <LibWeb/Streams/QueuingStrategyInit.h>
namespace Web::Streams {
// https://streams.spec.whatwg.org/#countqueuingstrategy
class CountQueuingStrategy final : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(CountQueuingStrategy, Bindings::PlatformObject);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<CountQueuingStrategy>> construct_impl(JS::Realm&, QueuingStrategyInit const&);
virtual ~CountQueuingStrategy() override;
// https://streams.spec.whatwg.org/#cqs-high-water-mark
double high_water_mark() const
{
// The highWaterMark getter steps are:
// 1. Return this.[[highWaterMark]].
return m_high_water_mark;
}
private:
explicit CountQueuingStrategy(JS::Realm&, double high_water_mark);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
// https://streams.spec.whatwg.org/#countqueuingstrategy-highwatermark
double m_high_water_mark { 0 };
};
}

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@ -0,0 +1,11 @@
#import <Streams/QueuingStrategyInit.idl>
// https://streams.spec.whatwg.org/#cqs-class-definition
[Exposed=*]
interface CountQueuingStrategy {
constructor(QueuingStrategyInit init);
readonly attribute unrestricted double highWaterMark;
// FIXME: readonly attribute Function size;
};

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@ -186,6 +186,7 @@ libweb_js_bindings(NavigationTiming/PerformanceTiming)
libweb_js_bindings(PerformanceTimeline/PerformanceEntry)
libweb_js_bindings(RequestIdleCallback/IdleDeadline)
libweb_js_bindings(ResizeObserver/ResizeObserver)
libweb_js_bindings(Streams/CountQueuingStrategy)
libweb_js_bindings(Streams/ReadableByteStreamController)
libweb_js_bindings(Streams/ReadableStream)
libweb_js_bindings(Streams/ReadableStreamBYOBReader)