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This fixes an issue where only the last KeyframeEffect applied to an element would actually have an effect on the computed properties. It was particularly noticeable when animating a shorthand property like border-width, since only one of the border edges would have its width actually animate. By deferring the invalidation until all animations have been processed, we also reduce the amount of work that gets done on pages with many animations/transitions per element. Discord is very fond of this for example.
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/*
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* Copyright (c) 2025, Sam Atkins <sam@ladybird.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 <LibGC/Cell.h>
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#include <LibWeb/CSS/Selector.h>
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#include <LibWeb/Forward.h>
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namespace Web::DOM {
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// Either an Element or a PseudoElement
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class AbstractElement {
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public:
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AbstractElement(GC::Ref<Element>, Optional<CSS::PseudoElement> = {});
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Document& document() const;
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Element& element() { return m_element; }
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Element const& element() const { return m_element; }
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Optional<CSS::PseudoElement> pseudo_element() const { return m_pseudo_element; }
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GC::Ptr<Layout::NodeWithStyle> layout_node();
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GC::Ptr<Layout::NodeWithStyle const> layout_node() const { return const_cast<AbstractElement*>(this)->layout_node(); }
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GC::Ptr<Element const> parent_element() const;
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Optional<AbstractElement> previous_in_tree_order() { return walk_layout_tree(WalkMethod::Previous); }
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Optional<AbstractElement> previous_sibling_in_tree_order() { return walk_layout_tree(WalkMethod::PreviousSibling); }
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bool is_before(AbstractElement const&) const;
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GC::Ptr<CSS::ComputedProperties const> computed_properties() const;
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void set_custom_properties(HashMap<FlyString, CSS::StyleProperty>&& custom_properties);
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[[nodiscard]] HashMap<FlyString, CSS::StyleProperty> const& custom_properties() const;
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RefPtr<CSS::CSSStyleValue const> get_custom_property(FlyString const& name) const;
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bool has_non_empty_counters_set() const;
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Optional<CSS::CountersSet const&> counters_set() const;
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CSS::CountersSet& ensure_counters_set();
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void set_counters_set(OwnPtr<CSS::CountersSet>&&);
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void visit(GC::Cell::Visitor& visitor) const;
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String debug_description() const;
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bool operator==(AbstractElement const&) const = default;
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private:
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enum class WalkMethod : u8 {
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Previous,
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PreviousSibling,
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};
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Optional<AbstractElement> walk_layout_tree(WalkMethod);
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GC::Ref<Element> m_element;
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Optional<CSS::PseudoElement> m_pseudo_element;
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};
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}
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template<>
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struct AK::Traits<Web::DOM::AbstractElement> : public DefaultTraits<Web::DOM::AbstractElement> {
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static unsigned hash(Web::DOM::AbstractElement const& key)
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{
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return pair_int_hash(ptr_hash(&key.element()), key.pseudo_element().has_value() ? to_underlying(key.pseudo_element().value()) : -1);
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}
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};
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