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/*
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <LibWeb/Bindings/Wrappable.h>
namespace Web::DOM {
class AbstractRange
: public RefCounted<AbstractRange>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::AbstractRangeWrapper;
virtual ~AbstractRange() override = default;
Node* start_container() { return m_start_container; }
Node const* start_container() const { return m_start_container; }
unsigned start_offset() const { return m_start_offset; }
Node* end_container() { return m_end_container; }
Node const* end_container() const { return m_end_container; }
unsigned end_offset() const { return m_end_offset; }
// https://dom.spec.whatwg.org/#range-collapsed
bool collapsed() const
{
// A range is collapsed if its start node is its end node and its start offset is its end offset.
return start_container() == end_container() && start_offset() == end_offset();
}
protected:
AbstractRange(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset)
: m_start_container(start_container)
, m_start_offset(start_offset)
, m_end_container(end_container)
, m_end_offset(end_offset)
{
}
NonnullRefPtr<Node> m_start_container;
u32 m_start_offset;
NonnullRefPtr<Node> m_end_container;
u32 m_end_offset;
};
}
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