/**
 * Copyright (C) 2020-2023 Apple Inc. 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "InlineIteratorBox.h"
#include "InlineIteratorLineBox.h"
#include "InlineIteratorLineBoxLegacyPathInlines.h"
#include "RenderBoxModelObjectInlines.h"

namespace WebCore {
namespace InlineIterator {

inline float previousLineBoxContentBottomOrBorderAndPadding(const LineBox& lineBox)
{
    return lineBox.isFirst() ? lineBox.formattingContextRoot().borderAndPaddingBefore().toFloat() : lineBox.contentLogicalTopAdjustedForPrecedingLineBox();
}

inline float contentStartInBlockDirection(const LineBox& lineBox)
{
    if (!lineBox.formattingContextRoot().writingMode().isBlockFlipped())
        return std::max(lineBox.contentLogicalTop(), previousLineBoxContentBottomOrBorderAndPadding(lineBox));
    return std::min(lineBox.contentLogicalBottom(), lineBox.contentLogicalBottomAdjustedForFollowingLineBox());
}

inline LeafBoxIterator LineBox::logicalLeftmostLeafBox() const
{
    return formattingContextRoot().writingMode().isLogicalLeftLineLeft()
        ? lineLeftmostLeafBox()
        : lineRightmostLeafBox();
}

inline LeafBoxIterator LineBox::logicalRightmostLeafBox() const
{
    return formattingContextRoot().writingMode().isLogicalLeftLineLeft()
        ? lineRightmostLeafBox()
        : lineLeftmostLeafBox();
}

inline size_t LineBox::lineIndex() const
{
    return WTF::switchOn(m_pathVariant, [](const auto& path) {
        return path.lineIndex();
    });
}

}
}
