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/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/Weakable.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/Forward.h>
namespace Web::DOM {
// https://dom.spec.whatwg.org/#abortsignal
class AbortSignal final
: public RefCounted<AbortSignal>
, public Weakable<AbortSignal>
, public EventTarget
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::AbortSignalWrapper;
using RefCounted::ref;
using RefCounted::unref;
static NonnullRefPtr<AbortSignal> create()
{
return adopt_ref(*new AbortSignal());
}
static NonnullRefPtr<AbortSignal> create_with_global_object(Bindings::WindowObject&)
{
return AbortSignal::create();
}
virtual ~AbortSignal() override;
void add_abort_algorithm(Function<void()>);
// https://dom.spec.whatwg.org/#dom-abortsignal-aborted
// An AbortSignal object is aborted when its abort reason is not undefined.
bool aborted() const { return !m_abort_reason.is_undefined(); }
void signal_abort(JS::Value reason);
void set_onabort(Optional<Bindings::CallbackType>);
Bindings::CallbackType* onabort();
// https://dom.spec.whatwg.org/#dom-abortsignal-reason
JS::Value reason() const { return m_abort_reason; }
JS::ThrowCompletionOr<void> throw_if_aborted() const;
void visit_edges(JS::Cell::Visitor&);
// ^EventTarget
virtual void ref_event_target() override { ref(); }
virtual void unref_event_target() override { unref(); }
virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
private:
AbortSignal();
// https://dom.spec.whatwg.org/#abortsignal-abort-reason
// An AbortSignal object has an associated abort reason, which is a JavaScript value. It is undefined unless specified otherwise.
JS::Value m_abort_reason { JS::js_undefined() };
// https://dom.spec.whatwg.org/#abortsignal-abort-algorithms
// FIXME: This should be a set.
Vector<Function<void()>> m_abort_algorithms;
};
}
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