Source/core/css/CSSCalculationValue.h - Issue 1225553002: CSSValue Immediates: Make CSSPrimitiveValue a container

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Issue 1225553002: CSSValue Immediates: Make CSSPrimitiveValue a container (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@cssvalue_patch_1

Patch Set: Rebase Created 5 years, 4 months ago

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1 /*	1 /*

2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved.	2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved.

3 *	3 *

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

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

6 * met:	6 * met:

7 *	7 *

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

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

10 * * Redistributions in binary form must reproduce the above	10 * * Redistributions in binary form must reproduce the above

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59 CalcLength,	59 CalcLength,

60 CalcPercent,	60 CalcPercent,

61 CalcPercentNumber,	61 CalcPercentNumber,

62 CalcPercentLength,	62 CalcPercentLength,

63 CalcAngle,	63 CalcAngle,

64 CalcTime,	64 CalcTime,

65 CalcFrequency,	65 CalcFrequency,

66 CalcOther	66 CalcOther

67 };	67 };

68	68

69 class CSSCalcExpressionNode : public RefCountedWillBeGarbageCollected<CSSCalcExp ressionNode> {	69 class CSSCalcExpressionNode : public RefCountedWillBeGarbageCollectedFinalized<C SSCalcExpressionNode> {

70 DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(CSSCalcExpressionNode);	70 DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(CSSCalcExpressionNode);

71 public:	71 public:

72 enum Type {	72 enum Type {

73 CssCalcPrimitiveValue = 1,	73 CssCalcPrimitiveValue = 1,

74 CssCalcBinaryOperation	74 CssCalcBinaryOperation

75 };	75 };

76	76

77 virtual bool isZero() const = 0;	77 virtual bool isZero() const = 0;

78 virtual double doubleValue() const = 0;	78 virtual double doubleValue() const = 0;

79 virtual double computeLengthPx(const CSSToLengthConversionData&) const = 0;	79 virtual double computeLengthPx(const CSSToLengthConversionData&) const = 0;

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99	99

100 CalculationCategory m_category;	100 CalculationCategory m_category;

101 bool m_isInteger;	101 bool m_isInteger;

102 };	102 };

103	103

104 class CORE_EXPORT CSSCalcValue : public CSSValueObject {	104 class CORE_EXPORT CSSCalcValue : public CSSValueObject {

105 public:	105 public:

106 static PassRefPtrWillBeRawPtr<CSSCalcValue> create(CSSParserValueList*, Valu eRange);	106 static PassRefPtrWillBeRawPtr<CSSCalcValue> create(CSSParserValueList*, Valu eRange);

107 static PassRefPtrWillBeRawPtr<CSSCalcValue> create(PassRefPtrWillBeRawPtr<CS SCalcExpressionNode>, ValueRange = ValueRangeAll);	107 static PassRefPtrWillBeRawPtr<CSSCalcValue> create(PassRefPtrWillBeRawPtr<CS SCalcExpressionNode>, ValueRange = ValueRangeAll);

108	108

109 static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(Pa ssRefPtrWillBeRawPtr<CSSPrimitiveValue>, bool isInteger = false);	109 static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(CS SPrimitiveValue, bool isInteger = false);

110 static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(Pa ssRefPtrWillBeRawPtr<CSSCalcExpressionNode>, PassRefPtrWillBeRawPtr<CSSCalcExpre ssionNode>, CalcOperator);	110 static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(Pa ssRefPtrWillBeRawPtr<CSSCalcExpressionNode>, PassRefPtrWillBeRawPtr<CSSCalcExpre ssionNode>, CalcOperator);

111 static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(do uble pixels, double percent);	111 static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(do uble pixels, double percent);

112	112

113 PassRefPtr<CalculationValue> toCalcValue(const CSSToLengthConversionData& co nversionData) const	113 PassRefPtr<CalculationValue> toCalcValue(const CSSToLengthConversionData& co nversionData) const

114 {	114 {

115 PixelsAndPercent value(0, 0);	115 PixelsAndPercent value(0, 0);

116 m_expression->accumulatePixelsAndPercent(conversionData, value);	116 m_expression->accumulatePixelsAndPercent(conversionData, value);

117 return CalculationValue::create(value, m_nonNegative ? ValueRangeNonNega tive : ValueRangeAll);	117 return CalculationValue::create(value, m_nonNegative ? ValueRangeNonNega tive : ValueRangeAll);

118 }	118 }

119 CalculationCategory category() const { return m_expression->category(); }	119 CalculationCategory category() const { return m_expression->category(); }

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143 const RefPtrWillBeMember<CSSCalcExpressionNode> m_expression;	143 const RefPtrWillBeMember<CSSCalcExpressionNode> m_expression;

144 const bool m_nonNegative;	144 const bool m_nonNegative;

145 };	145 };

146	146

147 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCalcValue, isCalcValue());	147 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCalcValue, isCalcValue());

148	148

149 } // namespace blink	149 } // namespace blink

150	150

151	151

152 #endif // CSSCalculationValue_h	152 #endif // CSSCalculationValue_h

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