ladybird/Userland/Libraries/LibWeb/SVG/SVGSVGElement.cpp
Andrew Kaster 320dddde6a LibWeb: Remove unecessary dependence on Window from SVG classes
These classes only needed Window to get at its realm. Pass a realm
directly to construct SCG classes.
2022-10-01 21:05:32 +01:00

63 lines
2.4 KiB
C++

/*
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Painter.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/Parser/HTMLParser.h>
#include <LibWeb/Layout/SVGSVGBox.h>
#include <LibWeb/SVG/AttributeNames.h>
#include <LibWeb/SVG/SVGSVGElement.h>
namespace Web::SVG {
SVGSVGElement::SVGSVGElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: SVGGraphicsElement(document, qualified_name)
{
set_prototype(&Bindings::cached_web_prototype(realm(), "SVGSVGElement"));
}
RefPtr<Layout::Node> SVGSVGElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
{
return adopt_ref(*new Layout::SVGSVGBox(document(), *this, move(style)));
}
void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) const
{
auto width_attribute = attribute(SVG::AttributeNames::width);
if (auto width_value = HTML::parse_dimension_value(width_attribute)) {
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 = HTML::parse_dimension_value(height_attribute)) {
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(FlyString const& name, String const& value)
{
SVGGraphicsElement::parse_attribute(name, value);
if (name.equals_ignoring_case(SVG::AttributeNames::viewBox))
m_view_box = try_parse_view_box(value);
}
}