#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;
};
}
#endif
#endif // GridTrackSize_h