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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2013, 2014 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
* OWNER 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.
*/
#ifndef GridTrackSize_h
#define GridTrackSize_h
#if ENABLE(CSS_GRID_LAYOUT)
#include "GridLength.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
enum GridTrackSizeType {
LengthTrackSizing,
MinMaxTrackSizing
};
class GridTrackSize {
public:
GridTrackSize(const GridLength& length)
: m_type(LengthTrackSizing)
, m_minTrackBreadth(length)
, m_maxTrackBreadth(length)
{
cacheMinMaxTrackBreadthTypes();
}
GridTrackSize(const GridLength& minTrackBreadth, const GridLength& maxTrackBreadth)
: m_type(MinMaxTrackSizing)
, m_minTrackBreadth(minTrackBreadth)
, m_maxTrackBreadth(maxTrackBreadth)
{
cacheMinMaxTrackBreadthTypes();
}
const GridLength& length() const
{
ASSERT(m_type == LengthTrackSizing);
ASSERT(m_minTrackBreadth == m_maxTrackBreadth);
const GridLength& minTrackBreadth = m_minTrackBreadth;
return minTrackBreadth;
}
const GridLength& minTrackBreadth() const { return m_minTrackBreadth; }
const GridLength& maxTrackBreadth() const { return m_maxTrackBreadth; }
GridTrackSizeType type() const { return m_type; }
bool isContentSized() const { return m_minTrackBreadth.isContentSized() || m_maxTrackBreadth.isContentSized(); }
bool isPercentage() const { return m_type == LengthTrackSizing && length().isLength() && length().length().isPercentOrCalculated(); }
bool operator==(const GridTrackSize& other) const
{
return m_type == other.m_type && m_minTrackBreadth == other.m_minTrackBreadth && m_maxTrackBreadth == other.m_maxTrackBreadth;
}
void cacheMinMaxTrackBreadthTypes()
{
m_minTrackBreadthIsAuto = minTrackBreadth().isLength() && minTrackBreadth().length().isAuto();
m_minTrackBreadthIsMinContent = minTrackBreadth().isLength() && minTrackBreadth().length().isMinContent();
m_minTrackBreadthIsMaxContent = minTrackBreadth().isLength() && minTrackBreadth().length().isMaxContent();
m_maxTrackBreadthIsMaxContent = maxTrackBreadth().isLength() && maxTrackBreadth().length().isMaxContent();
m_maxTrackBreadthIsMinContent = maxTrackBreadth().isLength() && maxTrackBreadth().length().isMinContent();
m_maxTrackBreadthIsAuto = maxTrackBreadth().isLength() && maxTrackBreadth().length().isAuto();
}
bool hasIntrinsicMinTrackBreadth() const { return m_minTrackBreadthIsMaxContent || m_minTrackBreadthIsMinContent || m_minTrackBreadthIsAuto; }
bool hasMinOrMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsMaxContent || m_minTrackBreadthIsMinContent; }
bool hasAutoMinTrackBreadth() const { return m_minTrackBreadthIsAuto; }
bool hasAutoMaxTrackBreadth() const { return m_maxTrackBreadthIsAuto; }
bool hasMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMaxContent; }
bool hasMaxContentOrAutoMaxTrackBreadth() const { return m_maxTrackBreadthIsMaxContent || m_maxTrackBreadthIsAuto; }
bool hasMinContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMinContent; }
bool hasMinOrMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMaxContent || m_maxTrackBreadthIsMinContent; }
bool hasMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsMaxContent; }
bool hasMinContentMinTrackBreadth() const { return m_minTrackBreadthIsMinContent; }
bool hasMaxContentMinTrackBreadthAndMaxContentMaxTrackBreadth() const { return m_minTrackBreadthIsMaxContent && m_maxTrackBreadthIsMaxContent; }
bool hasAutoOrMinContentMinTrackBreadthAndIntrinsicMaxTrackBreadth() const { return (m_minTrackBreadthIsMinContent || m_minTrackBreadthIsAuto) && (m_maxTrackBreadthIsAuto || hasMinOrMaxContentMaxTrackBreadth()); }
private:
GridTrackSizeType m_type;
GridLength m_minTrackBreadth;
GridLength m_maxTrackBreadth;
bool m_minTrackBreadthIsAuto;
bool m_minTrackBreadthIsMaxContent;
bool m_minTrackBreadthIsMinContent;
bool m_maxTrackBreadthIsAuto;
bool m_maxTrackBreadthIsMaxContent;
bool m_maxTrackBreadthIsMinContent;
};
} // namespace WebCore
#endif /* ENABLE(CSS_GRID_LAYOUT) */
#endif // GridTrackSize_h
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