ladybird/Libraries/LibWeb/HTML/HTMLMeterElement.h
Michael Watt 3b1d1d4582 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
2024-11-13 11:11:07 +01:00

61 lines
1.8 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/ARIA/Roles.h>
#include <LibWeb/HTML/HTMLElement.h>
namespace Web::HTML {
class HTMLMeterElement final : public HTMLElement {
WEB_PLATFORM_OBJECT(HTMLMeterElement, HTMLElement);
JS_DECLARE_ALLOCATOR(HTMLMeterElement);
public:
virtual ~HTMLMeterElement() override;
double value() const;
WebIDL::ExceptionOr<void> set_value(double);
double min() const;
WebIDL::ExceptionOr<void> set_min(double value);
double max() const;
WebIDL::ExceptionOr<void> set_max(double value);
double low() const;
WebIDL::ExceptionOr<void> set_low(double value);
double high() const;
WebIDL::ExceptionOr<void> set_high(double value);
double optimum() const;
WebIDL::ExceptionOr<void> set_optimum(double value);
// ^HTMLElement
virtual void inserted() override;
virtual void removed_from(DOM::Node*) override;
virtual void adjust_computed_style(CSS::StyleProperties&) override;
// https://html.spec.whatwg.org/multipage/forms.html#category-label
virtual bool is_labelable() const override { return true; }
// https://www.w3.org/TR/html-aria/#el-meter
virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::meter; }
private:
HTMLMeterElement(DOM::Document&, DOM::QualifiedName);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
void create_shadow_tree_if_needed();
void update_meter_value_element();
JS::GCPtr<DOM::Element> m_meter_value_element;
};
}