mirror of
https://github.com/LadybirdBrowser/ladybird.git
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aeee98b3a1
This commit removes DeprecatedString's "null" state, and replaces all its users with one of the following: - A normal, empty DeprecatedString - Optional<DeprecatedString> Note that null states of DeprecatedFlyString/StringView/etc are *not* affected by this commit. However, DeprecatedString::empty() is now considered equal to a null StringView.
72 lines
2 KiB
C++
72 lines
2 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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#pragma once
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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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namespace Web::SVG {
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class SVGUseElement final : public SVGGraphicsElement {
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WEB_PLATFORM_OBJECT(SVGUseElement, SVGGraphicsElement);
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public:
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virtual ~SVGUseElement() override = default;
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virtual void attribute_changed(FlyString const& name, Optional<DeprecatedString> const& value) override;
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virtual void inserted() override;
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void svg_element_changed(SVGElement&);
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void svg_element_removed(SVGElement&);
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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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JS::GCPtr<SVGElement> instance_root() const;
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JS::GCPtr<SVGElement> animated_instance_root() const;
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virtual Gfx::AffineTransform element_transform() const override;
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private:
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SVGUseElement(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 bool is_svg_use_element() const override { return true; }
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virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
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Optional<FlyString> parse_id_from_href(DeprecatedString const& href);
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JS::GCPtr<DOM::Element> referenced_element();
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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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Optional<float> m_x;
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Optional<float> m_y;
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Optional<FlyString> m_referenced_id;
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JS::GCPtr<DOM::DocumentObserver> m_document_observer;
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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::SVGUseElement>() const { return is_svg_use_element(); }
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}
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