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