ladybird/Libraries/LibWeb/Layout/NavigableContainerViewport.cpp
2024-12-22 10:12:49 +01:00

57 lines
2.2 KiB
C++

/*
* Copyright (c) 2018-2024, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/HTMLObjectElement.h>
#include <LibWeb/Layout/NavigableContainerViewport.h>
#include <LibWeb/Layout/Viewport.h>
#include <LibWeb/Painting/NavigableContainerViewportPaintable.h>
#include <LibWeb/SVG/SVGSVGElement.h>
namespace Web::Layout {
GC_DEFINE_ALLOCATOR(NavigableContainerViewport);
NavigableContainerViewport::NavigableContainerViewport(DOM::Document& document, HTML::NavigableContainer& element, GC::Ref<CSS::ComputedProperties> style)
: ReplacedBox(document, element, move(style))
{
}
NavigableContainerViewport::~NavigableContainerViewport() = default;
void NavigableContainerViewport::prepare_for_replaced_layout()
{
if (is<HTML::HTMLObjectElement>(dom_node())) {
if (auto const* content_document = dom_node().content_document_without_origin_check()) {
if (auto const* root_element = content_document->document_element(); root_element && root_element->is_svg_svg_element()) {
auto natural_metrics = SVG::SVGSVGElement::negotiate_natural_metrics(static_cast<SVG::SVGSVGElement const&>(*root_element));
set_natural_width(natural_metrics.width);
set_natural_height(natural_metrics.height);
set_natural_aspect_ratio(natural_metrics.aspect_ratio);
return;
}
}
}
// FIXME: Do proper error checking, etc.
set_natural_width(dom_node().get_attribute_value(HTML::AttributeNames::width).to_number<int>().value_or(300));
set_natural_height(dom_node().get_attribute_value(HTML::AttributeNames::height).to_number<int>().value_or(150));
}
void NavigableContainerViewport::did_set_content_size()
{
ReplacedBox::did_set_content_size();
if (dom_node().content_navigable())
dom_node().content_navigable()->set_viewport_size(paintable_box()->content_size());
}
GC::Ptr<Painting::Paintable> NavigableContainerViewport::create_paintable() const
{
return Painting::NavigableContainerViewportPaintable::create(*this);
}
}