1d8f8ea5b1
The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
58 lines
1.2 KiB
C++
58 lines
1.2 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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#include <LibWeb/Bindings/AbortSignalWrapper.h>
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#include <LibWeb/DOM/AbortSignal.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/EventDispatcher.h>
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namespace Web::DOM {
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AbortSignal::AbortSignal(Document& document)
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: EventTarget(static_cast<Bindings::ScriptExecutionContext&>(document))
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{
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}
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AbortSignal::~AbortSignal()
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{
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}
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bool AbortSignal::dispatch_event(NonnullRefPtr<Event> event)
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{
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return EventDispatcher::dispatch(*this, event);
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}
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JS::Object* AbortSignal::create_wrapper(JS::GlobalObject& global_object)
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{
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return wrap(global_object, *this);
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}
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// https://dom.spec.whatwg.org/#abortsignal-add
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void AbortSignal::add_abort_algorithm(Function<void()> abort_algorithm)
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{
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if (m_aborted)
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return;
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m_abort_algorithms.append(move(abort_algorithm));
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}
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// https://dom.spec.whatwg.org/#abortsignal-signal-abort
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void AbortSignal::signal_abort()
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{
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if (m_aborted)
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return;
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m_aborted = true;
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for (auto& algorithm : m_abort_algorithms)
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algorithm();
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m_abort_algorithms.clear();
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dispatch_event(Event::create(HTML::EventNames::abort));
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}
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}
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