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903c8860f8
Currently, this metadata is only provided on the insertion steps, though I believe it would be useful to extend to the other cases as well. This metadata can aid in making optimizations for these steps by providing extra context into the type of change which was made on the child.
64 lines
2 KiB
C++
64 lines
2 KiB
C++
/*
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* Copyright (c) 2020, 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/DOM/Document.h>
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#include <LibWeb/DOM/Element.h>
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#include <LibWeb/HTML/HTMLOrSVGElement.h>
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#include <LibWeb/SVG/SVGAnimatedString.h>
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namespace Web::SVG {
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class SVGElement
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: public DOM::Element
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, public HTML::GlobalEventHandlers
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, public HTML::HTMLOrSVGElement<SVGElement> {
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WEB_PLATFORM_OBJECT(SVGElement, DOM::Element);
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public:
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virtual bool requires_svg_container() const override { return true; }
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GC::Ref<SVGAnimatedString> class_name();
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GC::Ptr<SVGSVGElement> owner_svg_element();
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bool should_include_in_accessibility_tree() const;
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virtual Optional<ARIA::Role> default_role() const override;
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protected:
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SVGElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
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virtual WebIDL::ExceptionOr<void> cloned(DOM::Node&, bool) const override;
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virtual void children_changed(ChildrenChangedMetadata const*) override;
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virtual void inserted() override;
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virtual void removed_from(Node* old_parent, Node& old_root) override;
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void update_use_elements_that_reference_this();
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void remove_from_use_element_that_reference_this();
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GC::Ref<SVGAnimatedLength> svg_animated_length_for_property(CSS::PropertyID) const;
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private:
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// ^HTML::GlobalEventHandlers
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virtual GC::Ptr<DOM::EventTarget> global_event_handlers_to_event_target(FlyString const&) override { return *this; }
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virtual bool is_svg_element() const final { return true; }
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GC::Ptr<SVGAnimatedString> m_class_name_animated_string;
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};
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}
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namespace Web::DOM {
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template<>
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inline bool Node::fast_is<SVG::SVGElement>() const { return is_svg_element(); }
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}
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