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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/RefPtr.h>
namespace Web {
class LayoutNode;
struct LayoutPosition {
bool operator>=(const LayoutPosition& other) const
{
if (layout_node == other.layout_node)
return index_in_node >= other.index_in_node;
// FIXME: Implement.
return true;
}
bool operator<=(const LayoutPosition& other) const
{
if (layout_node == other.layout_node)
return index_in_node <= other.index_in_node;
// FIXME: Implement.
return false;
}
RefPtr<LayoutNode> layout_node;
int index_in_node { 0 };
};
class LayoutRange {
public:
LayoutRange() {}
LayoutRange(const LayoutPosition& start, const LayoutPosition& end)
: m_start(start)
, m_end(end)
{
}
bool is_valid() const { return m_start.layout_node && m_end.layout_node; }
void set(const LayoutPosition& start, const LayoutPosition& end)
{
m_start = start;
m_end = end;
}
void set_start(const LayoutPosition& start) { m_start = start; }
void set_end(const LayoutPosition& end) { m_end = end; }
const LayoutPosition& start() const { return m_start; }
const LayoutPosition& end() const { return m_end; }
LayoutRange normalized() const;
private:
LayoutPosition m_start;
LayoutPosition m_end;
};
}
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