LibWeb: Compute display: contents as none for unusual elements

https://drafts.csswg.org/css-display-3/#unbox-html specifies certain
elements that have their `display` style computed as `none` when
specified as `contents`.

This fixes at least one WPT test:
http://wpt.live/css/css-display/display-contents-suppression-dynamic-001.html
This commit is contained in:
Michael Watt 2024-11-08 20:14:37 +08:00 committed by Andreas Kling
parent eef9a53eec
commit 3b1d1d4582
Notes: github-actions[bot] 2024-11-13 10:12:00 +00:00
31 changed files with 156 additions and 0 deletions
Libraries/LibWeb/HTML

View file

@ -7,6 +7,7 @@
#include <LibURL/Origin.h>
#include <LibWeb/Bindings/HTMLIFrameElementPrototype.h>
#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/BrowsingContext.h>
@ -37,6 +38,13 @@ JS::GCPtr<Layout::Node> HTMLIFrameElement::create_layout_node(CSS::StyleProperti
return heap().allocate_without_realm<Layout::FrameBox>(document(), *this, move(style));
}
void HTMLIFrameElement::adjust_computed_style(CSS::StyleProperties& style)
{
// https://drafts.csswg.org/css-display-3/#unbox
if (style.display().is_contents())
style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::None)));
}
void HTMLIFrameElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value)
{
HTMLElement::attribute_changed(name, old_value, value);