mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-04-28 02:27:19 +02:00
23442708d6
Functionality in atypical writing mode contexts is currently lacking due to larger issues around how we handle scrolling in these contexts.
58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/*
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* Copyright (c) 2026, Callum Law <callumlaw1709@outlook.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 <LibWeb/Animations/AnimationTimeline.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/Bindings/ScrollTimelinePrototype.h>
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namespace Web::Animations {
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// https://drafts.csswg.org/scroll-animations-1/#dictdef-scrolltimelineoptions
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struct ScrollTimelineOptions {
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// NB: We use Optional here to distinguish between "undefined" and "null"
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Optional<GC::Ptr<DOM::Element>> source;
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Bindings::ScrollAxis axis;
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};
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// https://drafts.csswg.org/scroll-animations-1/#scrolltimeline
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class ScrollTimeline : public AnimationTimeline {
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WEB_PLATFORM_OBJECT(ScrollTimeline, AnimationTimeline);
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GC_DECLARE_ALLOCATOR(ScrollTimeline);
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public:
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static GC::Ref<ScrollTimeline> create(JS::Realm&, DOM::Document&, GC::Ptr<DOM::Element const> source, Bindings::ScrollAxis axis);
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static GC::Ref<ScrollTimeline> construct_impl(JS::Realm&, ScrollTimelineOptions options = {});
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virtual Optional<TimeValue> duration() const override { return TimeValue { TimeValue::Type::Percentage, 100 }; }
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GC::Ptr<DOM::Element const> source() const { return m_source; }
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Bindings::ScrollAxis axis() const { return m_axis; }
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virtual void update_current_time(double timestamp) override;
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virtual bool is_progress_based() const override { return true; }
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virtual bool can_convert_a_timeline_time_to_an_origin_relative_time() const override { return false; }
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private:
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ScrollTimeline(JS::Realm&, DOM::Document&, GC::Ptr<DOM::Element const> source, Bindings::ScrollAxis axis);
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virtual ~ScrollTimeline() override = default;
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virtual void visit_edges(Cell::Visitor&) override;
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virtual void initialize(JS::Realm&) override;
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Variant<GC::Ptr<DOM::Element const>, GC::Ptr<DOM::Document>> get_propagated_source() const;
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// https://drafts.csswg.org/scroll-animations-1/#dom-scrolltimeline-source
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GC::Ptr<DOM::Element const> m_source;
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// https://drafts.csswg.org/scroll-animations-1/#dom-scrolltimeline-axis
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Bindings::ScrollAxis m_axis { Bindings::ScrollAxis::Block };
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};
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}
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