mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-10 13:00:29 +03:00
4270ede7c4
We no longer access Bindings::FooWrapper anywhere for a Foo platform object, so these can be removed :^)
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/FlyString.h>
|
|
#include <AK/Function.h>
|
|
#include <LibJS/Heap/GCPtr.h>
|
|
#include <LibWeb/Bindings/LegacyPlatformObject.h>
|
|
#include <LibWeb/Forward.h>
|
|
|
|
namespace Web::DOM {
|
|
|
|
// NOTE: HTMLCollection is in the DOM namespace because it's part of the DOM specification.
|
|
|
|
// This class implements a live, filtered view of a DOM subtree.
|
|
// When constructing an HTMLCollection, you provide a root node + a filter.
|
|
// The filter is a simple Function object that answers the question
|
|
// "is this Element part of the collection?"
|
|
|
|
// FIXME: HTMLCollection currently does no caching. It will re-filter on every access!
|
|
// We should teach it how to cache results. The main challenge is invalidating
|
|
// these caches, since this needs to happen on various kinds of DOM mutation.
|
|
|
|
class HTMLCollection : public Bindings::LegacyPlatformObject {
|
|
WEB_PLATFORM_OBJECT(HTMLCollection, Bindings::LegacyPlatformObject);
|
|
|
|
public:
|
|
static JS::NonnullGCPtr<HTMLCollection> create(ParentNode& root, Function<bool(Element const&)> filter);
|
|
|
|
virtual ~HTMLCollection() override;
|
|
|
|
size_t length();
|
|
Element* item(size_t index) const;
|
|
Element* named_item(FlyString const& name) const;
|
|
|
|
JS::MarkedVector<Element*> collect_matching_elements() const;
|
|
|
|
virtual JS::Value item_value(size_t index) const override;
|
|
virtual JS::Value named_item_value(FlyString const& name) const override;
|
|
virtual Vector<String> supported_property_names() const override;
|
|
virtual bool is_supported_property_index(u32) const override;
|
|
|
|
protected:
|
|
HTMLCollection(ParentNode& root, Function<bool(Element const&)> filter);
|
|
|
|
JS::NonnullGCPtr<ParentNode> root() { return *m_root; }
|
|
|
|
private:
|
|
virtual void visit_edges(Cell::Visitor&) override;
|
|
|
|
JS::NonnullGCPtr<ParentNode> m_root;
|
|
Function<bool(Element const&)> m_filter;
|
|
};
|
|
|
|
}
|