ladybird/Libraries/LibWeb/SVG/SVGSVGElement.h
Andrew Kaster 6d11414957 LibWeb: Make storage of CSS::StyleValues const-correct
Now we consistently use `RefPtr<StyleValue const>` for all StyleValues.
2025-04-16 10:41:44 -06:00

119 lines
4.2 KiB
C++

/*
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/Bitmap.h>
#include <LibWeb/Geometry/DOMMatrix.h>
#include <LibWeb/Geometry/DOMPoint.h>
#include <LibWeb/SVG/AttributeParser.h>
#include <LibWeb/SVG/SVGAnimatedLength.h>
#include <LibWeb/SVG/SVGGraphicsElement.h>
#include <LibWeb/SVG/SVGLength.h>
#include <LibWeb/SVG/SVGTransform.h>
#include <LibWeb/SVG/SVGViewport.h>
#include <LibWeb/SVG/ViewBox.h>
#include <LibWeb/WebIDL/Types.h>
namespace Web::SVG {
class SVGSVGElement final : public SVGGraphicsElement
, public SVGViewport {
WEB_PLATFORM_OBJECT(SVGSVGElement, SVGGraphicsElement);
GC_DECLARE_ALLOCATOR(SVGSVGElement);
public:
virtual GC::Ptr<Layout::Node> create_layout_node(GC::Ref<CSS::ComputedProperties>) override;
virtual bool is_presentational_hint(FlyString const&) const override;
virtual void apply_presentational_hints(GC::Ref<CSS::CascadedProperties>) const override;
virtual bool requires_svg_container() const override { return false; }
virtual bool is_svg_container() const override { return true; }
virtual Optional<ViewBox> view_box() const override;
virtual Optional<PreserveAspectRatio> preserve_aspect_ratio() const override { return m_preserve_aspect_ratio; }
void set_fallback_view_box_for_svg_as_image(Optional<ViewBox>);
GC::Ref<SVGAnimatedRect> view_box_for_bindings() { return *m_view_box_for_bindings; }
GC::Ref<SVGAnimatedLength> x() const;
GC::Ref<SVGAnimatedLength> y() const;
GC::Ref<SVGAnimatedLength> width() const;
GC::Ref<SVGAnimatedLength> height() const;
float current_scale() const;
void set_current_scale(float);
GC::Ref<Geometry::DOMPointReadOnly> current_translate() const;
GC::Ref<DOM::NodeList> get_intersection_list(GC::Ref<Geometry::DOMRectReadOnly> rect, GC::Ptr<SVGElement> reference_element) const;
GC::Ref<DOM::NodeList> get_enclosure_list(GC::Ref<Geometry::DOMRectReadOnly> rect, GC::Ptr<SVGElement> reference_element) const;
bool check_intersection(GC::Ref<SVGElement> element, GC::Ref<Geometry::DOMRectReadOnly> rect) const;
bool check_enclosure(GC::Ref<SVGElement> element, GC::Ref<Geometry::DOMRectReadOnly> rect) const;
void deselect_all() const;
GC::Ref<SVGLength> create_svg_length() const;
GC::Ref<Geometry::DOMPoint> create_svg_point() const;
GC::Ref<Geometry::DOMMatrix> create_svg_matrix() const;
GC::Ref<Geometry::DOMRect> create_svg_rect() const;
GC::Ref<SVGTransform> create_svg_transform() const;
// Deprecated methods that have no effect when called, but which are kept for compatibility reasons.
WebIDL::UnsignedLong suspend_redraw(WebIDL::UnsignedLong max_wait_milliseconds) const
{
(void)max_wait_milliseconds;
// When the suspendRedraw method is called, it must return 1.
return 1;
}
void unsuspend_redraw(WebIDL::UnsignedLong suspend_handle_id) const
{
(void)suspend_handle_id;
}
void unsuspend_redraw_all() const { }
void force_redraw() const { }
[[nodiscard]] RefPtr<CSS::CSSStyleValue const> width_style_value_from_attribute() const;
[[nodiscard]] RefPtr<CSS::CSSStyleValue const> height_style_value_from_attribute() const;
struct NaturalMetrics {
Optional<CSSPixels> width;
Optional<CSSPixels> height;
Optional<CSSPixelFraction> aspect_ratio;
};
static NaturalMetrics negotiate_natural_metrics(SVGSVGElement const&);
private:
SVGSVGElement(DOM::Document&, DOM::QualifiedName);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Visitor&) override;
virtual bool is_svg_svg_element() const override { return true; }
virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
void update_fallback_view_box_for_svg_as_image();
Optional<ViewBox> m_view_box;
Optional<PreserveAspectRatio> m_preserve_aspect_ratio;
Optional<ViewBox> m_fallback_view_box_for_svg_as_image;
GC::Ptr<SVGAnimatedRect> m_view_box_for_bindings;
};
}
namespace Web::DOM {
template<>
inline bool Node::fast_is<SVG::SVGSVGElement>() const { return is_svg_svg_element(); }
}