ladybird/Libraries/LibWeb/DOM/AbstractElement.h

61 lines
2 KiB
C++

/*
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGC/Cell.h>
#include <LibWeb/CSS/Selector.h>
#include <LibWeb/Forward.h>
namespace Web::DOM {
// Either an Element or a PseudoElement
class AbstractElement {
public:
AbstractElement(GC::Ref<Element>, Optional<CSS::PseudoElement> = {});
Document& document() const;
Element& element() { return m_element; }
Element const& element() const { return m_element; }
Optional<CSS::PseudoElement> pseudo_element() const { return m_pseudo_element; }
GC::Ptr<Layout::NodeWithStyle> layout_node();
GC::Ptr<Layout::NodeWithStyle const> layout_node() const { return const_cast<AbstractElement*>(this)->layout_node(); }
GC::Ptr<Element const> parent_element() const;
Optional<AbstractElement> previous_in_tree_order() { return walk_layout_tree(WalkMethod::Previous); }
Optional<AbstractElement> previous_sibling_in_tree_order() { return walk_layout_tree(WalkMethod::PreviousSibling); }
bool is_before(AbstractElement const&) const;
GC::Ptr<CSS::ComputedProperties const> computed_properties() const;
void set_custom_properties(HashMap<FlyString, CSS::StyleProperty>&& custom_properties);
[[nodiscard]] HashMap<FlyString, CSS::StyleProperty> const& custom_properties() const;
RefPtr<CSS::CSSStyleValue const> get_custom_property(FlyString const& name) const;
bool has_non_empty_counters_set() const;
Optional<CSS::CountersSet const&> counters_set() const;
CSS::CountersSet& ensure_counters_set();
void set_counters_set(OwnPtr<CSS::CountersSet>&&);
void visit(GC::Cell::Visitor& visitor) const;
String debug_description() const;
bool operator==(AbstractElement const&) const = default;
private:
enum class WalkMethod : u8 {
Previous,
PreviousSibling,
};
Optional<AbstractElement> walk_layout_tree(WalkMethod);
GC::Ref<Element> m_element;
Optional<CSS::PseudoElement> m_pseudo_element;
};
}