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31 #ifndef GridTrackSize_h
32 #define GridTrackSize_h
34 #include "core/rendering/style/GridLength.h"
38 enum GridTrackSizeType {
45 GridTrackSize(const GridLength& length)
46 : m_type(LengthTrackSizing)
47 , m_minTrackBreadth(length)
48 , m_maxTrackBreadth(length)
49 , m_minTrackBreadthIsMinOrMaxContent(false)
50 , m_minTrackBreadthIsMaxContent(false)
51 , m_maxTrackBreadthIsMinOrMaxContent(false)
52 , m_maxTrackBreadthIsMaxContent(false)
54 cacheMinMaxTrackBreadthTypes();
57 GridTrackSize(const GridLength& minTrackBreadth, const GridLength& maxTrackBreadth)
58 : m_type(MinMaxTrackSizing)
59 , m_minTrackBreadth(minTrackBreadth)
60 , m_maxTrackBreadth(maxTrackBreadth)
61 , m_minTrackBreadthIsMinOrMaxContent(false)
62 , m_minTrackBreadthIsMaxContent(false)
63 , m_maxTrackBreadthIsMinOrMaxContent(false)
64 , m_maxTrackBreadthIsMaxContent(false)
66 cacheMinMaxTrackBreadthTypes();
69 const GridLength& length() const
71 ASSERT(m_type == LengthTrackSizing);
72 ASSERT(m_minTrackBreadth == m_maxTrackBreadth);
73 const GridLength& minTrackBreadth = m_minTrackBreadth;
74 return minTrackBreadth;
77 const GridLength& minTrackBreadth() const
79 if (m_minTrackBreadth.isLength() && m_minTrackBreadth.length().isAuto()) {
80 DEFINE_STATIC_LOCAL(GridLength, minContent, (Length(MinContent)));
83 return m_minTrackBreadth;
86 const GridLength& maxTrackBreadth() const
88 if (m_maxTrackBreadth.isLength() && m_maxTrackBreadth.length().isAuto()) {
89 DEFINE_STATIC_LOCAL(GridLength, maxContent, (Length(MaxContent)));
92 return m_maxTrackBreadth;
95 GridTrackSizeType type() const { return m_type; }
97 bool isContentSized() const { return m_minTrackBreadth.isContentSized() || m_maxTrackBreadth.isContentSized(); }
99 bool isPercentage() const { return m_type == LengthTrackSizing && length().isLength() && length().length().isPercent(); }
101 bool operator==(const GridTrackSize& other) const
103 return m_type == other.m_type && m_minTrackBreadth == other.m_minTrackBreadth && m_maxTrackBreadth == other.m_maxTrackBreadth;
106 void cacheMinMaxTrackBreadthTypes()
108 m_minTrackBreadthIsMaxContent = minTrackBreadth().isLength() && minTrackBreadth().length().isMaxContent();
109 m_minTrackBreadthIsMinOrMaxContent = m_minTrackBreadthIsMaxContent || (minTrackBreadth().isLength() && minTrackBreadth().length().isMinContent());
110 m_maxTrackBreadthIsMaxContent = maxTrackBreadth().isLength() && maxTrackBreadth().length().isMaxContent();
111 m_maxTrackBreadthIsMinOrMaxContent = m_maxTrackBreadthIsMaxContent || (maxTrackBreadth().isLength() && maxTrackBreadth().length().isMinContent());
114 bool hasMinOrMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsMinOrMaxContent; }
115 bool hasMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsMaxContent; }
116 bool hasMinOrMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMinOrMaxContent; }
117 bool hasMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMaxContent; }
120 GridTrackSizeType m_type;
121 GridLength m_minTrackBreadth;
122 GridLength m_maxTrackBreadth;
123 bool m_minTrackBreadthIsMinOrMaxContent;
124 bool m_minTrackBreadthIsMaxContent;
125 bool m_maxTrackBreadthIsMinOrMaxContent;
126 bool m_maxTrackBreadthIsMaxContent;
131 #endif // GridTrackSize_h