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bfc0773285
These functions are required in the porting of the DocumentFragment interface from DeprecatedString to String. Unfortunately since ParentNode is used by Document, we can't fully remove the deprecated versions of these functions yet.
86 lines
2.6 KiB
C++
86 lines
2.6 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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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(DeprecatedFlyString const&);
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JS::NonnullGCPtr<HTMLCollection> get_elements_by_tag_name_ns(DeprecatedFlyString const&, DeprecatedFlyString 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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WebIDL::ExceptionOr<void> prepend(Vector<Variant<JS::Handle<Node>, DeprecatedString>> const& nodes);
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WebIDL::ExceptionOr<void> append(Vector<Variant<JS::Handle<Node>, DeprecatedString>> const& nodes);
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WebIDL::ExceptionOr<void> replace_children(Vector<Variant<JS::Handle<Node>, DeprecatedString>> 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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