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59 lines
1.7 KiB
C++
59 lines
1.7 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/DOM/EventTarget.h>
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#include <LibWeb/Forward.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 : public EventTarget {
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WEB_PLATFORM_OBJECT(AbortSignal, EventTarget);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortSignal>> construct_impl(JS::Realm&);
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virtual ~AbortSignal() override = default;
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void add_abort_algorithm(JS::SafeFunction<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(WebIDL::CallbackType*);
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WebIDL::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 follow(JS::NonnullGCPtr<AbortSignal> parent_signal);
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private:
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explicit AbortSignal(JS::Realm&);
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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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<JS::SafeFunction<void()>> m_abort_algorithms;
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};
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}
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