#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
{
if (m_minTrackBreadth.isLength() && m_minTrackBreadth.length().isAuto()) {
static NeverDestroyed<const GridLength> minContent{Length(MinContent)};
return minContent;
}
return m_minTrackBreadth;
}
const GridLength& maxTrackBreadth() const
{
if (m_maxTrackBreadth.isLength() && m_maxTrackBreadth.length().isAuto()) {
static NeverDestroyed<const GridLength> maxContent{Length(MaxContent)};
return maxContent;
}
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_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();
}
bool hasMinOrMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsMaxContent || m_minTrackBreadthIsMinContent; }
bool hasMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMaxContent; }
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 hasMinContentMinTrackBreadthAndMinOrMaxContentMaxTrackBreadth() const { return m_minTrackBreadthIsMinContent && hasMinOrMaxContentMaxTrackBreadth(); }
bool hasMaxContentMinTrackBreadthAndMaxContentMaxTrackBreadth() const { return m_minTrackBreadthIsMaxContent && m_maxTrackBreadthIsMaxContent; }
private:
GridTrackSizeType m_type;
GridLength m_minTrackBreadth;
GridLength m_maxTrackBreadth;
bool m_minTrackBreadthIsMaxContent;
bool m_minTrackBreadthIsMinContent;
bool m_maxTrackBreadthIsMaxContent;
bool m_maxTrackBreadthIsMinContent;
};
}
#endif
#endif // GridTrackSize_h