sky/engine/core/rendering/style/GridResolvedPosition.h - Issue 689853003: Remove CSS Grid Layout and grid media queries.

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Issue 689853003: Remove CSS Grid Layout and grid media queries. (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 6 years, 1 month ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #ifndef GridResolvedPosition_h

6 #define GridResolvedPosition_h

7

8 #include "core/rendering/style/GridPosition.h"

9

10 namespace blink {

11

12 struct GridSpan;

13 class RenderBox;

14 class RenderStyle;

15

16 enum GridPositionSide {

17 ColumnStartSide,

18 ColumnEndSide,

19 RowStartSide,

20 RowEndSide

21 };

22

23 enum GridTrackSizingDirection {

24 ForColumns,

25 ForRows

26 };

27

28 // This class represents an index into one of the dimensions of the grid array.

29 // Wraps a size_t integer just for the purpose of knowing what we manipulate in the grid code.

30 class GridResolvedPosition {

31 public:

32 static GridResolvedPosition adjustGridPositionForAfterEndSide(size_t resolve dPosition)

33 {

34 return resolvedPosition ? GridResolvedPosition(resolvedPosition - 1) : G ridResolvedPosition(0);

35 }

36

37 static GridResolvedPosition adjustGridPositionForSide(size_t resolvedPositio n, GridPositionSide side)

38 {

39 // An item finishing on the N-th line belongs to the N-1-th cell.

40 if (side == ColumnEndSide \|\| side == RowEndSide)

41 return adjustGridPositionForAfterEndSide(resolvedPosition);

42

43 return GridResolvedPosition(resolvedPosition);

44 }

45

46 static void initialAndFinalPositionsFromStyle(const RenderStyle&, const Rend erBox&, GridTrackSizingDirection, GridPosition &initialPosition, GridPosition &f inalPosition);

47 static GridSpan resolveGridPositionsFromAutoPlacementPosition(const RenderSt yle&, const RenderBox&, GridTrackSizingDirection, const GridResolvedPosition&);

48 static PassOwnPtr<GridSpan> resolveGridPositionsFromStyle(const RenderStyle& , const RenderBox&, GridTrackSizingDirection);

49 static GridResolvedPosition resolveNamedGridLinePositionFromStyle(const Rend erStyle&, const GridPosition&, GridPositionSide);

50 static GridResolvedPosition resolveGridPositionFromStyle(const RenderStyle&, const GridPosition&, GridPositionSide);

51 static PassOwnPtr<GridSpan> resolveGridPositionAgainstOppositePosition(const RenderStyle&, const GridResolvedPosition& resolvedOppositePosition, const GridP osition&, GridPositionSide);

52 static PassOwnPtr<GridSpan> resolveNamedGridLinePositionAgainstOppositePosit ion(const RenderStyle&, const GridResolvedPosition& resolvedOppositePosition, co nst GridPosition&, GridPositionSide);

53

54 GridResolvedPosition(size_t position)

55 : m_integerPosition(position)

56 {

57 }

58

59 GridResolvedPosition(const GridPosition& position, GridPositionSide side)

60 {

61 ASSERT(position.integerPosition());

62 size_t integerPosition = position.integerPosition() - 1;

63

64 m_integerPosition = adjustGridPositionForSide(integerPosition, side).toI nt();

65 }

66

67 GridResolvedPosition& operator++()

68 {

69 m_integerPosition++;

70 return *this;

71 }

72

73 bool operator==(const GridResolvedPosition& other) const

74 {

75 return m_integerPosition == other.m_integerPosition;

76 }

77

78 bool operator!=(const GridResolvedPosition& other) const

79 {

80 return m_integerPosition != other.m_integerPosition;

81 }

82

83 bool operator<(const GridResolvedPosition& other) const

84 {

85 return m_integerPosition < other.m_integerPosition;

86 }

87

88 bool operator>(const GridResolvedPosition& other) const

89 {

90 return m_integerPosition > other.m_integerPosition;

91 }

92

93 bool operator<=(const GridResolvedPosition& other) const

94 {

95 return m_integerPosition <= other.m_integerPosition;

96 }

97

98 bool operator>=(const GridResolvedPosition& other) const

99 {

100 return m_integerPosition >= other.m_integerPosition;

101 }

102

103 size_t toInt() const

104 {

105 return m_integerPosition;

106 }

107

108 GridResolvedPosition next() const

109 {

110 return GridResolvedPosition(m_integerPosition + 1);

111 }

112

113 static size_t explicitGridColumnCount(const RenderStyle&);

114 static size_t explicitGridRowCount(const RenderStyle&);

115

116 private:

117

118 static size_t explicitGridSizeForSide(const RenderStyle&, GridPositionSide);

119

120 size_t m_integerPosition;

121 };

122

123 } // namespace blink

124

125 #endif // GridResolvedPosition_h

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