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https://github.com/LadybirdBrowser/ladybird
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69f05bd45d
In level 2 of the web animations spec, times are no longer always measures in milliseconds, they can also be percents when dealing with progress-based (i.e. scroll-based) timelines. We don't actually support percent times yet but this change will make it easier to implement when we do.
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
/*
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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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#pragma once
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#include <LibWeb/Animations/AnimationTimeline.h>
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#include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::Animations {
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// https://www.w3.org/TR/web-animations-1/#dictdef-documenttimelineoptions
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struct DocumentTimelineOptions {
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HighResolutionTime::DOMHighResTimeStamp origin_time { 0.0 };
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};
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// https://www.w3.org/TR/web-animations-1/#the-documenttimeline-interface
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class DocumentTimeline : public AnimationTimeline {
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WEB_PLATFORM_OBJECT(DocumentTimeline, AnimationTimeline);
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GC_DECLARE_ALLOCATOR(DocumentTimeline);
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public:
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static GC::Ref<DocumentTimeline> create(JS::Realm&, DOM::Document&, HighResolutionTime::DOMHighResTimeStamp origin_time);
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static WebIDL::ExceptionOr<GC::Ref<DocumentTimeline>> construct_impl(JS::Realm&, DocumentTimelineOptions options = {});
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virtual Optional<TimeValue> duration() const override { return {}; }
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virtual void update_current_time(double timestamp) override;
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virtual bool is_inactive() const override;
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virtual Optional<double> convert_a_timeline_time_to_an_origin_relative_time(Optional<TimeValue>) override;
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virtual bool can_convert_a_timeline_time_to_an_origin_relative_time() const override { return true; }
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private:
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DocumentTimeline(JS::Realm&, DOM::Document&, HighResolutionTime::DOMHighResTimeStamp origin_time);
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virtual ~DocumentTimeline() override = default;
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virtual void initialize(JS::Realm&) override;
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HighResolutionTime::DOMHighResTimeStamp m_origin_time;
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};
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}
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