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LibWeb: Add AnimationTimeline IDL object
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Userland/Libraries/LibWeb/Animations/AnimationTimeline.cpp
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56
Userland/Libraries/LibWeb/Animations/AnimationTimeline.cpp
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/*
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* Copyright (c) 2023, Matthew Olsson <mattco@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/Animations/AnimationTimeline.h>
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#include <LibWeb/DOM/Document.h>
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namespace Web::Animations {
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WebIDL::ExceptionOr<void> AnimationTimeline::set_current_time(Optional<double> value)
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{
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if (value == m_current_time)
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return {};
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if (m_is_monotonically_increasing && m_current_time.has_value()) {
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if (!value.has_value() || value.value() < m_current_time.value())
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m_is_monotonically_increasing = false;
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}
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m_current_time = value;
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return {};
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}
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void AnimationTimeline::set_associated_document(JS::GCPtr<DOM::Document> document)
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{
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m_associated_document = document;
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}
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// https://www.w3.org/TR/web-animations-1/#inactive-timeline
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bool AnimationTimeline::is_inactive() const
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{
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// A timeline is considered to be inactive when its time value is unresolved.
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return !m_current_time.has_value();
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}
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AnimationTimeline::AnimationTimeline(JS::Realm& realm)
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: Bindings::PlatformObject(realm)
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{
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}
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void AnimationTimeline::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::AnimationTimelinePrototype>(realm, "AnimationTimeline"));
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}
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void AnimationTimeline::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_associated_document);
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}
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}
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