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LibWeb: Add SVGSVGElement.viewBox attribute
This attribute has some compatbility issues... - The spec says it should be an SVGAnimatedRect which contains a DOMRect and a DOMReadOnlyRect. - Blink gives you an SVGAnimatedRect with 2x SVGRect - Gecko gives you an SVGAnimatedRect with 2x SVGRect? (nullable) I ended up with something similar to Gecko, an SVGAnimatedRect with 2x DOMRect? (nullable) With this fixed, we can now load https://polar.sh/ :^)
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12 changed files with 228 additions and 2 deletions
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@ -14,6 +14,7 @@
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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#include <LibWeb/Layout/SVGSVGBox.h>
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#include <LibWeb/SVG/AttributeNames.h>
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#include <LibWeb/SVG/SVGAnimatedRect.h>
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#include <LibWeb/SVG/SVGSVGElement.h>
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namespace Web::SVG {
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@ -29,6 +30,13 @@ void SVGSVGElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGSVGElementPrototype>(realm, "SVGSVGElement"_fly_string));
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m_view_box_for_bindings = heap().allocate<SVGAnimatedRect>(realm, realm);
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}
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void SVGSVGElement::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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JS::GCPtr<Layout::Node> SVGSVGElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
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@ -67,8 +75,18 @@ void SVGSVGElement::attribute_changed(FlyString const& name, Optional<String> co
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{
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SVGGraphicsElement::attribute_changed(name, value);
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if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox))
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m_view_box = try_parse_view_box(value.value_or(String {}));
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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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if (name.equals_ignoring_ascii_case(SVG::AttributeNames::width) || name.equals_ignoring_ascii_case(SVG::AttributeNames::height))
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