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c37820b898
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/RefCounted.h>
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#include <AK/Weakable.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/DOM/EventTarget.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/Window.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#abortsignal
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class AbortSignal final
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: public RefCounted<AbortSignal>
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, public Weakable<AbortSignal>
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, public EventTarget
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::AbortSignalWrapper;
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using RefCounted::ref;
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using RefCounted::unref;
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static NonnullRefPtr<AbortSignal> create()
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{
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return adopt_ref(*new AbortSignal());
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}
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static NonnullRefPtr<AbortSignal> create_with_global_object(Bindings::WindowObject&)
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{
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return AbortSignal::create();
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}
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virtual ~AbortSignal() override = default;
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void add_abort_algorithm(Function<void()>);
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// https://dom.spec.whatwg.org/#dom-abortsignal-aborted
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// An AbortSignal object is aborted when its abort reason is not undefined.
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bool aborted() const { return !m_abort_reason.is_undefined(); }
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void signal_abort(JS::Value reason);
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void set_onabort(Optional<Bindings::CallbackType>);
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Bindings::CallbackType* onabort();
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// https://dom.spec.whatwg.org/#dom-abortsignal-reason
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JS::Value reason() const { return m_abort_reason; }
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JS::ThrowCompletionOr<void> throw_if_aborted() const;
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void visit_edges(JS::Cell::Visitor&);
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// ^EventTarget
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virtual void ref_event_target() override { ref(); }
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virtual void unref_event_target() override { unref(); }
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virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
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private:
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AbortSignal();
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// https://dom.spec.whatwg.org/#abortsignal-abort-reason
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// An AbortSignal object has an associated abort reason, which is a JavaScript value. It is undefined unless specified otherwise.
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JS::Value m_abort_reason { JS::js_undefined() };
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// https://dom.spec.whatwg.org/#abortsignal-abort-algorithms
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// FIXME: This should be a set.
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Vector<Function<void()>> m_abort_algorithms;
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};
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}
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