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LibWeb: Implement AbortSignal.any()
This method takes a list of AbortSignals and returns an AbortSignal that is aborted when any of the input signals is aborted.
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5 changed files with 198 additions and 1 deletions
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@ -1,5 +1,6 @@
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/*
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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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@ -46,6 +47,7 @@ public:
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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&, JS::Value signals);
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private:
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explicit AbortSignal(JS::Realm&);
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@ -53,6 +55,16 @@ private:
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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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static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortSignal>> create_dependent_abort_signal(JS::Realm&, Vector<JS::Handle<AbortSignal>> const&);
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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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@ -60,6 +72,18 @@ private:
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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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