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/*
* Copyright (C) 2015 Igalia S.L. 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 "RenderStyleConstants.h"
#include "WritingMode.h"
namespace WTF {
class TextStream;
}
namespace WebCore {
class StyleContentAlignmentData {
public:
constexpr StyleContentAlignmentData() = default;
// Style data for Content-Distribution properties: align-content, justify-content.
// <content-distribution> || [ <overflow-position>? && <content-position> ]
constexpr StyleContentAlignmentData(ContentPosition position, ContentDistribution distribution, OverflowAlignment overflow = OverflowAlignment::Default)
: m_position(enumToUnderlyingType(position))
, m_distribution(enumToUnderlyingType(distribution))
, m_overflow(enumToUnderlyingType(overflow))
{
}
void setPosition(ContentPosition position) { m_position = enumToUnderlyingType(position); }
void setDistribution(ContentDistribution distribution) { m_distribution = enumToUnderlyingType(distribution); }
void setOverflow(OverflowAlignment overflow) { m_overflow = enumToUnderlyingType(overflow); }
ContentPosition position() const { return static_cast<ContentPosition>(m_position); }
ContentDistribution distribution() const { return static_cast<ContentDistribution>(m_distribution); }
OverflowAlignment overflow() const { return static_cast<OverflowAlignment>(m_overflow); }
bool isNormal() const
{
return ContentPosition::Normal == static_cast<ContentPosition>(m_position)
&& ContentDistribution::Default == static_cast<ContentDistribution>(m_distribution);
}
bool isStartward(std::optional<TextDirection> leftRightAxisDirection = std::nullopt, bool isFlexReverse = false) const;
bool isEndward(std::optional<TextDirection> leftRightAxisDirection = std::nullopt, bool isFlexReverse = false) const;
// leftRightAxisDirection is only needed for justify-content (invalid for align-content).
// Pass std::nullopt if neither the inline axis nor the physical left-right axis matches the justify-content axis (e.g. in flexbox).
bool isCentered() const;
friend bool operator==(const StyleContentAlignmentData&, const StyleContentAlignmentData&) = default;
private:
uint16_t m_position : 4 { 0 }; // ContentPosition
uint16_t m_distribution : 3 { 0 }; // ContentDistribution
uint16_t m_overflow : 2 { 0 }; // OverflowAlignment
};
WTF::TextStream& operator<<(WTF::TextStream&, const StyleContentAlignmentData&);
} // namespace WebCore
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