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LibWeb: Sketch out basic support for SVG <foreignObject> elements

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This patch adds basic DOM construction and IDL bindings for foreign
objects in SVG trees.
This commit is contained in:
Andreas Kling 2022-11-10 13:49:26 +01:00
parent e9eba66361
commit 0555684682
7 changed files with 139 additions and 0 deletions
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81
Userland/Libraries/LibWeb/SVG/SVGForeignObjectElement.cpp Normal file
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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/Parser/HTMLParser.h>
#include <LibWeb/Layout/BlockContainer.h>
#include <LibWeb/SVG/AttributeNames.h>
#include <LibWeb/SVG/SVGAnimatedLength.h>
#include <LibWeb/SVG/SVGForeignObjectElement.h>
#include <LibWeb/SVG/SVGLength.h>
namespace Web::SVG {
SVGForeignObjectElement::SVGForeignObjectElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: SVGGraphicsElement(document, move(qualified_name))
{
set_prototype(&Bindings::cached_web_prototype(realm(), "SVGForeignObjectElement"));
}
SVGForeignObjectElement::~SVGForeignObjectElement() = default;
void SVGForeignObjectElement::initialize(JS::Realm& realm)
{
Base::initialize(realm);
// FIXME: These never actually get updated!
m_x = SVGAnimatedLength::create(realm, SVGLength::create(realm, 0, 0), SVGLength::create(realm, 0, 0));
m_y = SVGAnimatedLength::create(realm, SVGLength::create(realm, 0, 0), SVGLength::create(realm, 0, 0));
m_width = SVGAnimatedLength::create(realm, SVGLength::create(realm, 0, 0), SVGLength::create(realm, 0, 0));
m_height = SVGAnimatedLength::create(realm, SVGLength::create(realm, 0, 0), SVGLength::create(realm, 0, 0));
}
void SVGForeignObjectElement::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_x);
visitor.visit(m_y);
visitor.visit(m_width);
visitor.visit(m_height);
}
JS::GCPtr<Layout::Node> SVGForeignObjectElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
{
return heap().allocate_without_realm<Layout::BlockContainer>(document(), this, move(style));
}
void SVGForeignObjectElement::apply_presentational_hints(CSS::StyleProperties& style) const
{
Base::apply_presentational_hints(style);
if (auto width_value = HTML::parse_dimension_value(attribute(SVG::AttributeNames::width)))
style.set_property(CSS::PropertyID::Width, width_value.release_nonnull());
if (auto height_value = HTML::parse_dimension_value(attribute(SVG::AttributeNames::height)))
style.set_property(CSS::PropertyID::Height, height_value.release_nonnull());
}
JS::NonnullGCPtr<SVG::SVGAnimatedLength> SVGForeignObjectElement::x()
{
return *m_x;
}
JS::NonnullGCPtr<SVG::SVGAnimatedLength> SVGForeignObjectElement::y()
{
return *m_y;
}
JS::NonnullGCPtr<SVG::SVGAnimatedLength> SVGForeignObjectElement::width()
{
return *m_width;
}
JS::NonnullGCPtr<SVG::SVGAnimatedLength> SVGForeignObjectElement::height()
{
return *m_height;
}
}