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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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| 94 { | 94 { |
| 95 ASSERT(category != CalcOther); | 95 ASSERT(category != CalcOther); |
| 96 } | 96 } |
| 97 | 97 |
| 98 CalculationCategory m_category; | 98 CalculationCategory m_category; |
| 99 bool m_isInteger; | 99 bool m_isInteger; |
| 100 }; | 100 }; |
| 101 | 101 |
| 102 class CORE_EXPORT CSSCalcValue : public GarbageCollected<CSSCalcValue> { | 102 class CORE_EXPORT CSSCalcValue : public GarbageCollected<CSSCalcValue> { |
| 103 public: | 103 public: |
| 104 static RawPtr<CSSCalcValue> create(const CSSParserTokenRange&, ValueRange); | 104 static CSSCalcValue* create(const CSSParserTokenRange&, ValueRange); |
| 105 static RawPtr<CSSCalcValue> create(RawPtr<CSSCalcExpressionNode>, ValueRange
= ValueRangeAll); | 105 static CSSCalcValue* create(CSSCalcExpressionNode*, ValueRange = ValueRangeA
ll); |
| 106 | 106 |
| 107 static RawPtr<CSSCalcExpressionNode> createExpressionNode(RawPtr<CSSPrimitiv
eValue>, bool isInteger = false); | 107 static CSSCalcExpressionNode* createExpressionNode(CSSPrimitiveValue*, bool
isInteger = false); |
| 108 static RawPtr<CSSCalcExpressionNode> createExpressionNode(RawPtr<CSSCalcExpr
essionNode>, RawPtr<CSSCalcExpressionNode>, CalcOperator); | 108 static CSSCalcExpressionNode* createExpressionNode(CSSCalcExpressionNode*, C
SSCalcExpressionNode*, CalcOperator); |
| 109 static RawPtr<CSSCalcExpressionNode> createExpressionNode(double pixels, dou
ble percent); | 109 static CSSCalcExpressionNode* createExpressionNode(double pixels, double per
cent); |
| 110 | 110 |
| 111 PassRefPtr<CalculationValue> toCalcValue(const CSSToLengthConversionData& co
nversionData) const | 111 PassRefPtr<CalculationValue> toCalcValue(const CSSToLengthConversionData& co
nversionData) const |
| 112 { | 112 { |
| 113 PixelsAndPercent value(0, 0); | 113 PixelsAndPercent value(0, 0); |
| 114 m_expression->accumulatePixelsAndPercent(conversionData, value); | 114 m_expression->accumulatePixelsAndPercent(conversionData, value); |
| 115 return CalculationValue::create(value, m_nonNegative ? ValueRangeNonNega
tive : ValueRangeAll); | 115 return CalculationValue::create(value, m_nonNegative ? ValueRangeNonNega
tive : ValueRangeAll); |
| 116 } | 116 } |
| 117 CalculationCategory category() const { return m_expression->category(); } | 117 CalculationCategory category() const { return m_expression->category(); } |
| 118 bool isInt() const { return m_expression->isInteger(); } | 118 bool isInt() const { return m_expression->isInteger(); } |
| 119 double doubleValue() const; | 119 double doubleValue() const; |
| 120 bool isNegative() const { return m_expression->doubleValue() < 0; } | 120 bool isNegative() const { return m_expression->doubleValue() < 0; } |
| 121 ValueRange permittedValueRange() { return m_nonNegative ? ValueRangeNonNegat
ive : ValueRangeAll; } | 121 ValueRange permittedValueRange() { return m_nonNegative ? ValueRangeNonNegat
ive : ValueRangeAll; } |
| 122 double computeLengthPx(const CSSToLengthConversionData&) const; | 122 double computeLengthPx(const CSSToLengthConversionData&) const; |
| 123 void accumulateLengthArray(CSSLengthArray& lengthArray, CSSLengthTypeArray&
lengthTypeArray, double multiplier) const { m_expression->accumulateLengthArray(
lengthArray, lengthTypeArray, multiplier); } | 123 void accumulateLengthArray(CSSLengthArray& lengthArray, CSSLengthTypeArray&
lengthTypeArray, double multiplier) const { m_expression->accumulateLengthArray(
lengthArray, lengthTypeArray, multiplier); } |
| 124 CSSCalcExpressionNode* expressionNode() const { return m_expression.get(); } | 124 CSSCalcExpressionNode* expressionNode() const { return m_expression.get(); } |
| 125 | 125 |
| 126 String customCSSText() const; | 126 String customCSSText() const; |
| 127 bool equals(const CSSCalcValue&) const; | 127 bool equals(const CSSCalcValue&) const; |
| 128 | 128 |
| 129 DEFINE_INLINE_TRACE() | 129 DEFINE_INLINE_TRACE() |
| 130 { | 130 { |
| 131 visitor->trace(m_expression); | 131 visitor->trace(m_expression); |
| 132 } | 132 } |
| 133 | 133 |
| 134 private: | 134 private: |
| 135 CSSCalcValue(RawPtr<CSSCalcExpressionNode> expression, ValueRange range) | 135 CSSCalcValue(CSSCalcExpressionNode* expression, ValueRange range) |
| 136 : m_expression(expression) | 136 : m_expression(expression) |
| 137 , m_nonNegative(range == ValueRangeNonNegative) | 137 , m_nonNegative(range == ValueRangeNonNegative) |
| 138 { | 138 { |
| 139 } | 139 } |
| 140 | 140 |
| 141 double clampToPermittedRange(double) const; | 141 double clampToPermittedRange(double) const; |
| 142 | 142 |
| 143 const Member<CSSCalcExpressionNode> m_expression; | 143 const Member<CSSCalcExpressionNode> m_expression; |
| 144 const bool m_nonNegative; | 144 const bool m_nonNegative; |
| 145 }; | 145 }; |
| 146 | 146 |
| 147 } // namespace blink | 147 } // namespace blink |
| 148 | 148 |
| 149 #endif // CSSCalculationValue_h | 149 #endif // CSSCalculationValue_h |
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