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a990de65e4
This identifies a particular region of an SVG image, which can then be linked to by an SVG fragment identifier.
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/*
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* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "SVGViewElement.h"
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#include <LibWeb/Bindings/SVGViewElementPrototype.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/SVG/AttributeNames.h>
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#include <LibWeb/SVG/SVGAnimatedRect.h>
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namespace Web::SVG {
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GC_DEFINE_ALLOCATOR(SVGViewElement);
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SVGViewElement::SVGViewElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: SVGGraphicsElement(document, move(qualified_name))
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{
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}
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void SVGViewElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGViewElement);
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Base::initialize(realm);
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m_view_box_for_bindings = realm.create<SVGAnimatedRect>(realm);
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}
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void SVGViewElement::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_view_box_for_bindings);
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}
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bool SVGViewElement::is_presentational_hint(FlyString const& name) const
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{
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if (Base::is_presentational_hint(name))
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return true;
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return first_is_one_of(name,
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SVG::AttributeNames::viewBox,
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SVG::AttributeNames::preserveAspectRatio);
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}
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void SVGViewElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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Base::apply_presentational_hints(cascaded_properties);
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auto parsing_context = CSS::Parser::ParsingParams { document(), CSS::Parser::ParsingMode::SVGPresentationAttribute };
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}
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void SVGViewElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)
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{
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Base::attribute_changed(name, old_value, value, namespace_);
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if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox)) {
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if (!value.has_value()) {
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m_view_box_for_bindings->set_nulled(true);
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} else {
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m_view_box = try_parse_view_box(value.value_or(String {}));
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m_view_box_for_bindings->set_nulled(!m_view_box.has_value());
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if (m_view_box.has_value()) {
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m_view_box_for_bindings->set_base_val(Gfx::DoubleRect { m_view_box->min_x, m_view_box->min_y, m_view_box->width, m_view_box->height });
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m_view_box_for_bindings->set_anim_val(Gfx::DoubleRect { m_view_box->min_x, m_view_box->min_y, m_view_box->width, m_view_box->height });
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}
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}
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}
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if (name.equals_ignoring_ascii_case(SVG::AttributeNames::preserveAspectRatio))
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m_preserve_aspect_ratio = AttributeParser::parse_preserve_aspect_ratio(value.value_or(String {}));
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}
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}
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