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f2ac591614
This change adds support for computing default ARIA roles for (selected) SVG elements, per the requirements in the SVG Accessibility API Mappings spec at https://w3c.github.io/svg-aam/#mapping_role_table. This only computes roles for the elements which are covered in the WPT test at https://wpt.fyi/results/svg-aam/role/roles.html — that is, the “a”, “g”, and “image” elements.
64 lines
1.9 KiB
C++
64 lines
1.9 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) override;
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virtual void children_changed() override;
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virtual void inserted() override;
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virtual void removed_from(Node*) 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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