Source/core/layout/style/GridTrackSize.h - Issue 1045723009: Move core/layout/style to core/style

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Issue 1045723009: Move core/layout/style to core/style (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 5 years, 8 months ago

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1 /*

2 * Copyright (C) 2012 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #ifndef GridTrackSize_h

32 #define GridTrackSize_h

33

34 #include "core/layout/style/GridLength.h"

35

36 namespace blink {

37

38 enum GridTrackSizeType {

39 LengthTrackSizing,

40 MinMaxTrackSizing

41 };

42

43 class GridTrackSize {

44 public:

45 GridTrackSize(const GridLength& length)

46 : m_type(LengthTrackSizing)

47 , m_minTrackBreadth(length)

48 , m_maxTrackBreadth(length)

49 , m_minTrackBreadthIsMaxContent(false)

50 , m_maxTrackBreadthIsMaxContent(false)

51 {

52 cacheMinMaxTrackBreadthTypes();

53 }

54

55 GridTrackSize(const GridLength& minTrackBreadth, const GridLength& maxTrackB readth)

56 : m_type(MinMaxTrackSizing)

57 , m_minTrackBreadth(minTrackBreadth)

58 , m_maxTrackBreadth(maxTrackBreadth)

59 , m_minTrackBreadthIsMaxContent(false)

60 , m_maxTrackBreadthIsMaxContent(false)

61 {

62 cacheMinMaxTrackBreadthTypes();

63 }

64

65 const GridLength& length() const

66 {

67 ASSERT(m_type == LengthTrackSizing);

68 ASSERT(m_minTrackBreadth == m_maxTrackBreadth);

69 const GridLength& minTrackBreadth = m_minTrackBreadth;

70 return minTrackBreadth;

71 }

72

73 const GridLength& minTrackBreadth() const

74 {

75 if (m_minTrackBreadth.isLength() && m_minTrackBreadth.length().isAuto()) {

76 DEFINE_STATIC_LOCAL(GridLength, minContent, (Length(MinContent)));

77 return minContent;

78 }

79 return m_minTrackBreadth;

80 }

81

82 const GridLength& maxTrackBreadth() const

83 {

84 if (m_maxTrackBreadth.isLength() && m_maxTrackBreadth.length().isAuto()) {

85 DEFINE_STATIC_LOCAL(GridLength, maxContent, (Length(MaxContent)));

86 return maxContent;

87 }

88 return m_maxTrackBreadth;

89 }

90

91 GridTrackSizeType type() const { return m_type; }

92

93 bool isContentSized() const { return m_minTrackBreadth.isContentSized() \|\| m _maxTrackBreadth.isContentSized(); }

94

95 bool isPercentage() const { return m_type == LengthTrackSizing && length().i sLength() && length().length().isPercent(); }

96

97 bool operator==(const GridTrackSize& other) const

98 {

99 return m_type == other.m_type && m_minTrackBreadth == other.m_minTrackBr eadth && m_maxTrackBreadth == other.m_maxTrackBreadth;

100 }

101

102 void cacheMinMaxTrackBreadthTypes()

103 {

104 m_minTrackBreadthIsMinContent = minTrackBreadth().isLength() && minTrack Breadth().length().isMinContent();

105 m_minTrackBreadthIsMaxContent = minTrackBreadth().isLength() && minTrack Breadth().length().isMaxContent();

106 m_maxTrackBreadthIsMaxContent = maxTrackBreadth().isLength() && maxTrack Breadth().length().isMaxContent();

107 m_maxTrackBreadthIsMinContent = maxTrackBreadth().isLength() && maxTrack Breadth().length().isMinContent();

108 }

109

110 bool hasMinOrMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsM axContent \|\| m_minTrackBreadthIsMinContent; }

111 bool hasMaxContentMinTrackBreadth() const { return m_minTrackBreadthIsMaxCon tent; }

112 bool hasMinContentMinTrackBreadth() const { return m_minTrackBreadthIsMinCon tent; }

113 bool hasMinOrMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsM axContent \|\| m_maxTrackBreadthIsMinContent; }

114 bool hasMaxContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMaxCon tent; }

115 bool hasMinContentMaxTrackBreadth() const { return m_maxTrackBreadthIsMinCon tent; }

116 bool hasMinContentMinTrackBreadthAndMinOrMaxContentMaxTrackBreadth() const { return m_minTrackBreadthIsMinContent && hasMinOrMaxContentMaxTrackBreadth(); }

117 bool hasMaxContentMinTrackBreadthAndMaxContentMaxTrackBreadth() const { retu rn m_minTrackBreadthIsMaxContent && m_maxTrackBreadthIsMaxContent; }

118

119 private:

120 GridTrackSizeType m_type;

121 GridLength m_minTrackBreadth;

122 GridLength m_maxTrackBreadth;

123 bool m_minTrackBreadthIsMaxContent;

124 bool m_minTrackBreadthIsMinContent;

125 bool m_maxTrackBreadthIsMaxContent;

126 bool m_maxTrackBreadthIsMinContent;

127 };

128

129 } // namespace blink

130

131 #endif // GridTrackSize_h

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