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LibWeb: Add HTML::TraversableNavigable

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This is the "traversable navigable" concept from the HTML spec.

Co-authored-by: Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
This commit is contained in:
Andreas Kling 2022-12-12 12:01:09 +01:00
parent 2d602dcb34
commit 74a6f50c91
4 changed files with 81 additions and 0 deletions
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30
Userland/Libraries/LibWeb/HTML/TraversableNavigable.cpp Normal file
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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/HTML/SessionHistoryEntry.h>
#include <LibWeb/HTML/TraversableNavigable.h>
namespace Web::HTML {
TraversableNavigable::TraversableNavigable() = default;
TraversableNavigable::~TraversableNavigable() = default;
void TraversableNavigable::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
for (auto& entry : m_session_history_entries)
visitor.visit(entry);
}
// https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable
bool TraversableNavigable::is_top_level_traversable() const
{
// A top-level traversable is a traversable navigable with a null parent.
return parent() == nullptr;
}
}