Implement CSS `display: flow-root` (modern clearfix)
[WebKit-https.git] / Source / WebCore / rendering / style / StyleGridData.h
1 /*
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24  */
25
26 #pragma once
27
28 #include "GridArea.h"
29 #include "GridTrackSize.h"
30 #include "RenderStyleConstants.h"
31 #include <wtf/Ref.h>
32 #include <wtf/RefCounted.h>
33 #include <wtf/Vector.h>
34 #include <wtf/text/WTFString.h>
35
36 namespace WebCore {
37
38 typedef HashMap<String, Vector<unsigned>> NamedGridLinesMap;
39 typedef HashMap<unsigned, Vector<String>, WTF::IntHash<unsigned>, WTF::UnsignedWithZeroKeyHashTraits<unsigned>> OrderedNamedGridLinesMap;
40
41 class StyleGridData : public RefCounted<StyleGridData> {
42 public:
43     static Ref<StyleGridData> create() { return adoptRef(*new StyleGridData); }
44     Ref<StyleGridData> copy() const;
45
46     bool operator==(const StyleGridData& o) const
47     {
48         // FIXME: comparing two hashes doesn't look great for performance. Something to keep in mind going forward.
49         return gridColumns == o.gridColumns && gridRows == o.gridRows
50             && gridAutoFlow == o.gridAutoFlow && gridAutoRows == o.gridAutoRows && gridAutoColumns == o.gridAutoColumns
51             && namedGridColumnLines == o.namedGridColumnLines && namedGridRowLines == o.namedGridRowLines
52             && autoRepeatNamedGridColumnLines == o.autoRepeatNamedGridColumnLines && autoRepeatNamedGridRowLines == o.autoRepeatNamedGridRowLines
53             && autoRepeatOrderedNamedGridColumnLines == o.autoRepeatOrderedNamedGridColumnLines && autoRepeatOrderedNamedGridRowLines == o.autoRepeatOrderedNamedGridRowLines
54             && namedGridArea == o.namedGridArea && namedGridArea == o.namedGridArea
55             && namedGridAreaRowCount == o.namedGridAreaRowCount && namedGridAreaColumnCount == o.namedGridAreaColumnCount
56             && orderedNamedGridRowLines == o.orderedNamedGridRowLines && orderedNamedGridColumnLines == o.orderedNamedGridColumnLines
57             && gridAutoRepeatColumns == o.gridAutoRepeatColumns && gridAutoRepeatRows == o.gridAutoRepeatRows
58             && autoRepeatColumnsInsertionPoint == o.autoRepeatColumnsInsertionPoint && autoRepeatRowsInsertionPoint == o.autoRepeatRowsInsertionPoint
59             && autoRepeatColumnsType == o.autoRepeatColumnsType && autoRepeatRowsType == o.autoRepeatRowsType;
60     }
61
62     bool operator!=(const StyleGridData& o) const
63     {
64         return !(*this == o);
65     }
66
67     Vector<GridTrackSize> gridColumns;
68     Vector<GridTrackSize> gridRows;
69
70     NamedGridLinesMap namedGridColumnLines;
71     NamedGridLinesMap namedGridRowLines;
72
73     OrderedNamedGridLinesMap orderedNamedGridColumnLines;
74     OrderedNamedGridLinesMap orderedNamedGridRowLines;
75
76     NamedGridLinesMap autoRepeatNamedGridColumnLines;
77     NamedGridLinesMap autoRepeatNamedGridRowLines;
78     OrderedNamedGridLinesMap autoRepeatOrderedNamedGridColumnLines;
79     OrderedNamedGridLinesMap autoRepeatOrderedNamedGridRowLines;
80
81     unsigned gridAutoFlow : GridAutoFlowBits;
82
83     Vector<GridTrackSize> gridAutoRows;
84     Vector<GridTrackSize> gridAutoColumns;
85
86     NamedGridAreaMap namedGridArea;
87     // Because namedGridArea doesn't store the unnamed grid areas, we need to keep track
88     // of the explicit grid size defined by both named and unnamed grid areas.
89     unsigned namedGridAreaRowCount;
90     unsigned namedGridAreaColumnCount;
91
92     Vector<GridTrackSize> gridAutoRepeatColumns;
93     Vector<GridTrackSize> gridAutoRepeatRows;
94
95     unsigned autoRepeatColumnsInsertionPoint;
96     unsigned autoRepeatRowsInsertionPoint;
97
98     AutoRepeatType autoRepeatColumnsType;
99     AutoRepeatType autoRepeatRowsType;
100
101 private:
102     StyleGridData();
103     StyleGridData(const StyleGridData&);
104 };
105
106 } // namespace WebCore