third_party/WebKit/Source/core/style/GridResolvedPosition.h - Issue 1477203002: [css-grid] Simplify GridResolvedPosition interface

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Issue 1477203002: [css-grid] Simplify GridResolvedPosition interface (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	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	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef GridResolvedPosition_h	5 #ifndef GridResolvedPosition_h

6 #define GridResolvedPosition_h	6 #define GridResolvedPosition_h

7	7

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

9 #include "wtf/Allocator.h"	9 #include "wtf/Allocator.h"

10	10

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25 ForColumns,	25 ForColumns,

26 ForRows	26 ForRows

27 };	27 };

28	28

29 // This class represents a line index into one of the dimensions of the grid arr ay.	29 // This class represents a line index into one of the dimensions of the grid arr ay.

30 // Wraps a size_t integer just for the purpose of knowing what we manipulate in the grid code.	30 // Wraps a size_t integer just for the purpose of knowing what we manipulate in the grid code.

31 class GridResolvedPosition {	31 class GridResolvedPosition {

32 DISALLOW_NEW();	32 DISALLOW_NEW();

33 public:	33 public:

34	34

35 static bool isValidNamedLineOrArea(const String& lineName, const ComputedSty le&, GridPositionSide);

36 static GridPositionSide initialPositionSide(GridTrackSizingDirection);

37 static GridPositionSide finalPositionSide(GridTrackSizingDirection);

38 static void initialAndFinalPositionsFromStyle(const ComputedStyle&, const La youtBox&, GridTrackSizingDirection, GridPosition &initialPosition, GridPosition &finalPosition);

39 static GridSpan resolveGridPositionsFromAutoPlacementPosition(const Computed Style&, const LayoutBox&, GridTrackSizingDirection, const GridResolvedPosition&) ;

40 static GridSpan resolveGridPositionsFromStyle(const ComputedStyle&, const La youtBox&, GridTrackSizingDirection);

41 static GridResolvedPosition resolveNamedGridLinePositionFromStyle(const Comp utedStyle&, const GridPosition&, GridPositionSide);

42 static GridResolvedPosition resolveGridPositionFromStyle(const ComputedStyle &, const GridPosition&, GridPositionSide);

43 static GridSpan resolveGridPositionAgainstOppositePosition(const ComputedSty le&, const GridResolvedPosition& resolvedOppositePosition, const GridPosition&, GridPositionSide);

44 static GridSpan resolveNamedGridLinePositionAgainstOppositePosition(const Co mputedStyle&, const GridResolvedPosition& resolvedOppositePosition, const GridPo sition&, GridPositionSide);

45

46 GridResolvedPosition(size_t position)	35 GridResolvedPosition(size_t position)

47 : m_integerPosition(position)	36 : m_integerPosition(position)

48 {	37 {

49 }	38 }

50	39

51 GridResolvedPosition& operator*()	40 GridResolvedPosition& operator*()

52 {	41 {

53 return *this;	42 return *this;

54 }	43 }

55	44

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100 }	89 }

101	90

102 GridResolvedPosition prev() const	91 GridResolvedPosition prev() const

103 {	92 {

104 return GridResolvedPosition(m_integerPosition > 0 ? m_integerPosition - 1 : 0);	93 return GridResolvedPosition(m_integerPosition > 0 ? m_integerPosition - 1 : 0);

105 }	94 }

106	95

107 static size_t explicitGridColumnCount(const ComputedStyle&);	96 static size_t explicitGridColumnCount(const ComputedStyle&);

108 static size_t explicitGridRowCount(const ComputedStyle&);	97 static size_t explicitGridRowCount(const ComputedStyle&);

109	98

	99 static bool isValidNamedLineOrArea(const String& lineName, const ComputedSty le&, GridPositionSide);

	100

	101 static GridPositionSide initialPositionSide(GridTrackSizingDirection);

	102 static GridPositionSide finalPositionSide(GridTrackSizingDirection);

	103

	104 static GridSpan resolveGridPositionsFromAutoPlacementPosition(const Computed Style&, const LayoutBox&, GridTrackSizingDirection, const GridResolvedPosition&) ;

	105 static GridSpan resolveGridPositionsFromStyle(const ComputedStyle&, const La youtBox&, GridTrackSizingDirection);

	106

110 private:	107 private:

111	108

112 static size_t explicitGridSizeForSide(const ComputedStyle&, GridPositionSide );

113

114 size_t m_integerPosition;	109 size_t m_integerPosition;

115 };	110 };

116	111

117 } // namespace blink	112 } // namespace blink

118	113

119 #endif // GridResolvedPosition_h	114 #endif // GridResolvedPosition_h

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