/* * Copyright (c) 2020, Matthew Olsson * Copyright (c) 2022, Andreas Kling * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include #include #include #include #include namespace Web::SVG { SVGSVGElement::SVGSVGElement(DOM::Document& document, DOM::QualifiedName qualified_name) : SVGGraphicsElement(document, qualified_name) { } JS::ThrowCompletionOr SVGSVGElement::initialize(JS::Realm& realm) { MUST_OR_THROW_OOM(Base::initialize(realm)); set_prototype(&Bindings::ensure_web_prototype(realm, "SVGSVGElement")); return {}; } JS::GCPtr SVGSVGElement::create_layout_node(NonnullRefPtr style) { return heap().allocate_without_realm(document(), *this, move(style)); } void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) const { // NOTE: Hack to ensure SVG unitless widths/heights are parsed even with auto previous_quirks_mode = document().mode(); const_cast(document()).set_quirks_mode(DOM::QuirksMode::Yes); ScopeGuard reset_quirks_mode = [&] { const_cast(document()).set_quirks_mode(previous_quirks_mode); }; auto width_attribute = attribute(SVG::AttributeNames::width); auto parsing_context = CSS::Parser::ParsingContext { document() }; if (auto width_value = parse_css_value(parsing_context, attribute(Web::HTML::AttributeNames::width), CSS::PropertyID::Width)) { style.set_property(CSS::PropertyID::Width, width_value.release_nonnull()); } else if (width_attribute == "") { // If the `width` attribute is an empty string, it defaults to 100%. // This matches WebKit and Blink, but not Firefox. The spec is unclear. // FIXME: Figure out what to do here. style.set_property(CSS::PropertyID::Width, CSS::PercentageStyleValue::create(CSS::Percentage { 100 })); } // Height defaults to 100% auto height_attribute = attribute(SVG::AttributeNames::height); if (auto height_value = parse_css_value(parsing_context, attribute(Web::HTML::AttributeNames::height), CSS::PropertyID::Height)) { style.set_property(CSS::PropertyID::Height, height_value.release_nonnull()); } else if (height_attribute == "") { // If the `height` attribute is an empty string, it defaults to 100%. // This matches WebKit and Blink, but not Firefox. The spec is unclear. // FIXME: Figure out what to do here. style.set_property(CSS::PropertyID::Height, CSS::PercentageStyleValue::create(CSS::Percentage { 100 })); } } void SVGSVGElement::parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value) { SVGGraphicsElement::parse_attribute(name, value); if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox)) m_view_box = try_parse_view_box(value); if (name.equals_ignoring_ascii_case(SVG::AttributeNames::preserveAspectRatio)) m_preserve_aspect_ratio = AttributeParser::parse_preserve_aspect_ratio(value); } }