708263790a
This function returns the first element which matches both the filter for the LiveNodeList collection itself, and a further filter that is supplied as an argument to this function.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
|
|
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Function.h>
|
|
#include <LibWeb/DOM/NodeList.h>
|
|
|
|
namespace Web::DOM {
|
|
|
|
// FIXME: Just like HTMLCollection, LiveNodeList currently does no caching.
|
|
|
|
class LiveNodeList : public NodeList {
|
|
WEB_PLATFORM_OBJECT(LiveNodeList, NodeList);
|
|
|
|
public:
|
|
enum class Scope {
|
|
Children,
|
|
Descendants,
|
|
};
|
|
|
|
[[nodiscard]] static JS::NonnullGCPtr<NodeList> create(JS::Realm&, Node& root, Scope, Function<bool(Node const&)> filter);
|
|
virtual ~LiveNodeList() override;
|
|
|
|
virtual u32 length() const override;
|
|
virtual Node const* item(u32 index) const override;
|
|
|
|
virtual bool is_supported_property_index(u32) const override;
|
|
|
|
protected:
|
|
LiveNodeList(JS::Realm&, Node& root, Scope, Function<bool(Node const&)> filter);
|
|
|
|
Node* first_matching(Function<bool(Node const&)> const& filter) const;
|
|
|
|
private:
|
|
virtual void visit_edges(Cell::Visitor&) override;
|
|
|
|
JS::MarkedVector<Node*> collection() const;
|
|
|
|
JS::NonnullGCPtr<Node> m_root;
|
|
Function<bool(Node const&)> m_filter;
|
|
Scope m_scope { Scope::Descendants };
|
|
};
|
|
|
|
}
|