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			71 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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|  * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibWeb/CSS/Parser/Parser.h>
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| #include <LibWeb/CSS/StyleComputer.h>
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| #include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
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| #include <LibWeb/DOM/Document.h>
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| #include <LibWeb/DOM/Event.h>
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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/SVGSVGElement.h>
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| 
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| namespace Web::SVG {
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| 
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| SVGSVGElement::SVGSVGElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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|     : SVGGraphicsElement(document, qualified_name)
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| {
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| }
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| 
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| JS::ThrowCompletionOr<void> SVGSVGElement::initialize(JS::Realm& realm)
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| {
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|     MUST_OR_THROW_OOM(Base::initialize(realm));
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|     set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGSVGElementPrototype>(realm, "SVGSVGElement"));
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| 
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|     return {};
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| }
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| 
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| JS::GCPtr<Layout::Node> SVGSVGElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
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| {
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|     return heap().allocate_without_realm<Layout::SVGSVGBox>(document(), *this, move(style));
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| }
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| 
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| void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) const
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| {
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|     auto width_attribute = attribute(SVG::AttributeNames::width);
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|     auto parsing_context = CSS::Parser::ParsingContext { document() };
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|     if (auto width_value = parse_css_value(parsing_context, attribute(Web::HTML::AttributeNames::width), CSS::PropertyID::Width)) {
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|         style.set_property(CSS::PropertyID::Width, width_value.release_nonnull());
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|     } else if (width_attribute == "") {
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|         // If the `width` attribute is an empty string, it defaults to 100%.
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|         // This matches WebKit and Blink, but not Firefox. The spec is unclear.
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|         // FIXME: Figure out what to do here.
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|         style.set_property(CSS::PropertyID::Width, CSS::PercentageStyleValue::create(CSS::Percentage { 100 }));
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|     }
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| 
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|     // Height defaults to 100%
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|     auto height_attribute = attribute(SVG::AttributeNames::height);
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|     if (auto height_value = parse_css_value(parsing_context, attribute(Web::HTML::AttributeNames::height), CSS::PropertyID::Height)) {
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|         style.set_property(CSS::PropertyID::Height, height_value.release_nonnull());
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|     } else if (height_attribute == "") {
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|         // If the `height` attribute is an empty string, it defaults to 100%.
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|         // This matches WebKit and Blink, but not Firefox. The spec is unclear.
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|         // FIXME: Figure out what to do here.
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|         style.set_property(CSS::PropertyID::Height, CSS::PercentageStyleValue::create(CSS::Percentage { 100 }));
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|     }
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| }
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| 
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| void SVGSVGElement::parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value)
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| {
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|     SVGGraphicsElement::parse_attribute(name, value);
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| 
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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);
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| }
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| 
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| }
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