75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/Streams/TransformStream.h>
|
|
#include <LibWeb/Streams/TransformStreamDefaultController.h>
|
|
|
|
namespace Web::Streams {
|
|
|
|
JS_DEFINE_ALLOCATOR(TransformStreamDefaultController);
|
|
|
|
TransformStreamDefaultController::TransformStreamDefaultController(JS::Realm& realm)
|
|
: Bindings::PlatformObject(realm)
|
|
{
|
|
}
|
|
|
|
TransformStreamDefaultController::~TransformStreamDefaultController() = default;
|
|
|
|
void TransformStreamDefaultController::initialize(JS::Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
set_prototype(&Bindings::ensure_web_prototype<Bindings::TransformStreamDefaultControllerPrototype>(realm, "TransformStreamDefaultController"_fly_string));
|
|
}
|
|
|
|
void TransformStreamDefaultController::visit_edges(Cell::Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_stream);
|
|
visitor.visit(m_flush_algorithm);
|
|
visitor.visit(m_transform_algorithm);
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#ts-default-controller-desired-size
|
|
Optional<double> TransformStreamDefaultController::desired_size()
|
|
{
|
|
VERIFY(stream()->readable()->controller().has_value() && stream()->readable()->controller()->has<JS::NonnullGCPtr<ReadableStreamDefaultController>>());
|
|
|
|
// 1. Let readableController be this.[[stream]].[[readable]].[[controller]].
|
|
auto readable_controller = stream()->readable()->controller()->get<JS::NonnullGCPtr<ReadableStreamDefaultController>>();
|
|
|
|
// 2. Return ! ReadableStreamDefaultControllerGetDesiredSize(readableController).
|
|
return readable_stream_default_controller_get_desired_size(*readable_controller);
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#ts-default-controller-enqueue
|
|
WebIDL::ExceptionOr<void> TransformStreamDefaultController::enqueue(Optional<JS::Value> chunk)
|
|
{
|
|
// 1. Perform ? TransformStreamDefaultControllerEnqueue(this, chunk).
|
|
TRY(transform_stream_default_controller_enqueue(*this, chunk.has_value() ? chunk.value() : JS::js_undefined()));
|
|
|
|
return {};
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#ts-default-controller-error
|
|
WebIDL::ExceptionOr<void> TransformStreamDefaultController::error(Optional<JS::Value> reason)
|
|
{
|
|
// 1. Perform ? TransformStreamDefaultControllerError(this, e).
|
|
TRY(transform_stream_default_controller_error(*this, reason.has_value() ? reason.value() : JS::js_undefined()));
|
|
|
|
return {};
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#ts-default-controller-terminate
|
|
WebIDL::ExceptionOr<void> TransformStreamDefaultController::terminate()
|
|
{
|
|
// 1. Perform ? TransformStreamDefaultControllerTerminate(this).
|
|
TRY(transform_stream_default_controller_terminate(*this));
|
|
|
|
return {};
|
|
}
|
|
|
|
}
|