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			76 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Preston Taylor <95388976+PrestonLTaylor@users.noreply.github.com>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/FlyString.h>
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| #include <LibGfx/Path.h>
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| #include <LibWeb/DOM/DocumentObserver.h>
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| #include <LibWeb/SVG/SVGAnimatedLength.h>
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| #include <LibWeb/SVG/SVGGraphicsElement.h>
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| #include <LibWeb/SVG/SVGURIReference.h>
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| 
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| namespace Web::SVG {
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| 
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| class SVGUseElement final
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|     : public SVGGraphicsElement
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|     , public SVGURIReferenceMixin<SupportsXLinkHref::Yes> {
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|     WEB_PLATFORM_OBJECT(SVGUseElement, SVGGraphicsElement);
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|     JS_DECLARE_ALLOCATOR(SVGUseElement);
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| 
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| public:
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|     virtual ~SVGUseElement() override = default;
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| 
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|     virtual void attribute_changed(FlyString const& name, Optional<String> const& value) override;
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| 
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|     virtual void inserted() override;
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| 
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|     void svg_element_changed(SVGElement&);
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|     void svg_element_removed(SVGElement&);
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| 
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|     JS::NonnullGCPtr<SVGAnimatedLength> x() const;
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|     JS::NonnullGCPtr<SVGAnimatedLength> y() const;
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|     JS::NonnullGCPtr<SVGAnimatedLength> width() const;
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|     JS::NonnullGCPtr<SVGAnimatedLength> height() const;
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| 
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|     JS::GCPtr<SVGElement> instance_root() const;
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|     JS::GCPtr<SVGElement> animated_instance_root() const;
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| 
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|     virtual Gfx::AffineTransform element_transform() const override;
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| 
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| private:
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|     SVGUseElement(DOM::Document&, DOM::QualifiedName);
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| 
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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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| 
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|     virtual bool is_svg_use_element() const override { return true; }
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| 
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|     virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
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| 
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|     static Optional<FlyString> parse_id_from_href(StringView);
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| 
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|     JS::GCPtr<DOM::Element> referenced_element();
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| 
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|     void clone_element_tree_as_our_shadow_tree(Element* to_clone) const;
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|     bool is_valid_reference_element(Element* reference_element) const;
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| 
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|     Optional<float> m_x;
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|     Optional<float> m_y;
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| 
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|     Optional<FlyString> m_referenced_id;
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| 
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|     JS::GCPtr<DOM::DocumentObserver> m_document_observer;
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| };
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| 
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| }
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| 
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| namespace Web::DOM {
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| 
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| template<>
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| inline bool Node::fast_is<SVG::SVGUseElement>() const { return is_svg_use_element(); }
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| 
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| }
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