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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.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 <AK/Function.h>
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#include <LibWeb/DOM/NodeList.h>
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namespace Web::DOM {
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// FIXME: Just like HTMLCollection, LiveNodeList currently does no caching.
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class LiveNodeList : public NodeList {
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WEB_PLATFORM_OBJECT(LiveNodeList, NodeList);
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GC_DECLARE_ALLOCATOR(LiveNodeList);
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public:
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enum class Scope {
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Children,
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Descendants,
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};
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[[nodiscard]] static GC::Ref<NodeList> create(JS::Realm&, Node const& root, Scope, ESCAPING Function<bool(Node const&)> filter);
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virtual ~LiveNodeList() override;
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virtual u32 length() const override;
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virtual Node const* item(u32 index) const override;
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protected:
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LiveNodeList(JS::Realm&, Node const& root, Scope, ESCAPING Function<bool(Node const&)> filter);
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Node* first_matching(Function<bool(Node const&)> const& filter) const;
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private:
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virtual void visit_edges(Cell::Visitor&) override;
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GC::RootVector<Node*> collection() const;
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GC::Ref<Node const> m_root;
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Function<bool(Node const&)> m_filter;
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Scope m_scope { Scope::Descendants };
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};
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}
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