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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/Node.h>
namespace Web::DOM {
class ParentNode : public Node {
WEB_PLATFORM_OBJECT(ParentNode, Node);
public:
template<typename F>
void for_each_child(F) const;
template<typename F>
void for_each_child(F);
JS::GCPtr<Element> first_element_child();
JS::GCPtr<Element> last_element_child();
u32 child_element_count() const;
WebIDL::ExceptionOr<JS::GCPtr<Element>> query_selector(StringView);
WebIDL::ExceptionOr<JS::NonnullGCPtr<NodeList>> query_selector_all(StringView);
JS::NonnullGCPtr<HTMLCollection> children();
JS::NonnullGCPtr<HTMLCollection> get_elements_by_tag_name(DeprecatedFlyString const&);
JS::NonnullGCPtr<HTMLCollection> get_elements_by_tag_name_ns(DeprecatedFlyString const&, DeprecatedFlyString const&);
WebIDL::ExceptionOr<void> prepend(Vector<Variant<JS::Handle<Node>, DeprecatedString>> const& nodes);
WebIDL::ExceptionOr<void> append(Vector<Variant<JS::Handle<Node>, DeprecatedString>> const& nodes);
WebIDL::ExceptionOr<void> replace_children(Vector<Variant<JS::Handle<Node>, DeprecatedString>> const& nodes);
protected:
ParentNode(JS::Realm& realm, Document& document, NodeType type)
: Node(realm, document, type)
{
}
ParentNode(Document& document, NodeType type)
: Node(document, type)
{
}
virtual void visit_edges(Cell::Visitor&) override;
private:
JS::GCPtr<HTMLCollection> m_children;
};
template<>
inline bool Node::fast_is<ParentNode>() const { return is_parent_node(); }
template<typename U>
inline U* Node::shadow_including_first_ancestor_of_type()
{
for (auto* ancestor = parent_or_shadow_host(); ancestor; ancestor = ancestor->parent_or_shadow_host()) {
if (is<U>(*ancestor))
return &verify_cast<U>(*ancestor);
}
return nullptr;
}
template<typename Callback>
inline void ParentNode::for_each_child(Callback callback) const
{
for (auto* node = first_child(); node; node = node->next_sibling())
callback(*node);
}
template<typename Callback>
inline void ParentNode::for_each_child(Callback callback)
{
for (auto* node = first_child(); node; node = node->next_sibling())
callback(*node);
}
}
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