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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 <WebCore/RenderStyleConstants.h>
#include <wtf/EnumTraits.h>
namespace WTF {
class TextStream;
}
namespace WebCore {
class LayoutUnit;
class WritingMode;
enum class LogicalBoxAxis : uint8_t;
class StyleSelfAlignmentData {
public:
constexpr StyleSelfAlignmentData() = default;
// Style data for Self-Aligment and Default-Alignment properties: align-{self, items}, justify-{self, items}.
// [ <self-position> && <overflow-position>? ] | [ legacy && [ left | right | center ] ]
constexpr StyleSelfAlignmentData(ItemPosition position, OverflowAlignment overflow = OverflowAlignment::Default, ItemPositionType positionType = ItemPositionType::NonLegacy)
: m_position(enumToUnderlyingType(position))
, m_positionType(enumToUnderlyingType(positionType))
, m_overflow(enumToUnderlyingType(overflow))
{
}
void setPosition(ItemPosition position) { m_position = enumToUnderlyingType(position); }
void setPositionType(ItemPositionType positionType) { m_positionType = enumToUnderlyingType(positionType); }
void setOverflow(OverflowAlignment overflow) { m_overflow = enumToUnderlyingType(overflow); }
ItemPosition position() const { return static_cast<ItemPosition>(m_position); }
ItemPositionType positionType() const { return static_cast<ItemPositionType>(m_positionType); }
OverflowAlignment overflow() const { return static_cast<OverflowAlignment>(m_overflow); }
// Must resolve Auto before calling. Normal treated as Start.
// Returns position adjustment from container's start edge.
static LayoutUnit adjustmentFromStartEdge(LayoutUnit extraSpace, ItemPosition alignmentPosition, LogicalBoxAxis containerAxis, WritingMode containerWritingMode, WritingMode selfWritingMode);
friend bool operator==(const StyleSelfAlignmentData&, const StyleSelfAlignmentData&) = default;
private:
PREFERRED_TYPE(ItemPosition) uint8_t m_position : 4 { 0 };
PREFERRED_TYPE(ItemPositionType) uint8_t m_positionType: 1 { 0 }; // Whether or not alignment uses the 'legacy' keyword.
PREFERRED_TYPE(OverflowAlignment) uint8_t m_overflow : 2 { 0 };
};
WTF::TextStream& operator<<(WTF::TextStream&, const StyleSelfAlignmentData&);
} // namespace WebCore
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