ladybird/Userland/Libraries/LibWeb/DOM/AbortController.cpp
Andreas Kling 72c9f56c66 LibJS: Make Heap::allocate<T>() infallible
Stop worrying about tiny OOMs. Work towards #20449.

While going through these, I also changed the function signature in many
places where returning ThrowCompletionOr<T> is no longer necessary.
2023-08-13 15:38:42 +02:00

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/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/AbortController.h>
#include <LibWeb/DOM/AbortSignal.h>
namespace Web::DOM {
WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortController>> AbortController::construct_impl(JS::Realm& realm)
{
auto signal = TRY(AbortSignal::construct_impl(realm));
return realm.heap().allocate<AbortController>(realm, realm, move(signal));
}
// https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller
AbortController::AbortController(JS::Realm& realm, JS::NonnullGCPtr<AbortSignal> signal)
: PlatformObject(realm)
, m_signal(move(signal))
{
}
AbortController::~AbortController() = default;
void AbortController::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::AbortControllerPrototype>(realm, "AbortController"));
}
void AbortController::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_signal.ptr());
}
// https://dom.spec.whatwg.org/#dom-abortcontroller-abort
void AbortController::abort(JS::Value reason)
{
// The abort(reason) method steps are to signal abort on thiss signal with reason if it is given.
m_signal->signal_abort(reason);
}
}