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87 lines
3.6 KiB
C++
87 lines
3.6 KiB
C++
/*
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2024, Tim Ledbetter <timledbetter@gmail.com>
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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 <LibJS/Heap/HeapFunction.h>
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#include <LibWeb/DOM/EventTarget.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/WebIDL/Types.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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JS_DECLARE_ALLOCATOR(AbortSignal);
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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(ESCAPING 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(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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void set_reason(JS::Value reason) { m_abort_reason = reason; }
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JS::ThrowCompletionOr<void> throw_if_aborted() const;
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortSignal>> abort(JS::VM&, JS::Value reason);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortSignal>> timeout(JS::VM&, Web::WebIDL::UnsignedLongLong milliseconds);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortSignal>> any(JS::VM&, Vector<JS::Handle<AbortSignal>> const&);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortSignal>> create_dependent_abort_signal(JS::Realm&, Vector<JS::Handle<AbortSignal>> const&);
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private:
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explicit AbortSignal(JS::Realm&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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bool dependent() const { return m_dependent; }
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void set_dependent(bool dependent) { m_dependent = dependent; }
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Vector<JS::GCPtr<AbortSignal>> source_signals() const { return m_source_signals; }
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void append_source_signal(JS::GCPtr<AbortSignal> source_signal) { m_source_signals.append(source_signal); }
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void append_dependent_signal(JS::GCPtr<AbortSignal> dependent_signal) { m_dependent_signals.append(dependent_signal); }
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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::NonnullGCPtr<JS::HeapFunction<void()>>> m_abort_algorithms;
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// https://dom.spec.whatwg.org/#abortsignal-source-signals
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// An AbortSignal object has associated source signals (a weak set of AbortSignal objects that the object is dependent on for its aborted state), which is initially empty.
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Vector<JS::GCPtr<AbortSignal>> m_source_signals;
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// https://dom.spec.whatwg.org/#abortsignal-dependent-signals
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// An AbortSignal object has associated dependent signals (a weak set of AbortSignal objects that are dependent on the object for their aborted state), which is initially empty.
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Vector<JS::GCPtr<AbortSignal>> m_dependent_signals;
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// https://dom.spec.whatwg.org/#abortsignal-dependent
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// An AbortSignal object has a dependent (a boolean), which is initially false.
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bool m_dependent { false };
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};
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}
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