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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 CSSLengthValue_h | 5 #ifndef CSSLengthValue_h |
6 #define CSSLengthValue_h | 6 #define CSSLengthValue_h |
7 | 7 |
8 #include "core/css/CSSPrimitiveValue.h" | 8 #include "core/css/CSSPrimitiveValue.h" |
9 #include "core/css/cssom/CSSStyleValue.h" | 9 #include "core/css/cssom/CSSStyleValue.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 class CalcDictionary; | 13 class CalcDictionary; |
14 class ExceptionState; | 14 class ExceptionState; |
15 | 15 |
16 class CORE_EXPORT CSSLengthValue : public CSSStyleValue { | 16 class CORE_EXPORT CSSLengthValue : public CSSStyleValue { |
17 WTF_MAKE_NONCOPYABLE(CSSLengthValue); | 17 WTF_MAKE_NONCOPYABLE(CSSLengthValue); |
18 DEFINE_WRAPPERTYPEINFO(); | 18 DEFINE_WRAPPERTYPEINFO(); |
19 public: | 19 public: |
| 20 static CSSLengthValue* fromCSSValue(const CSSValue& value); |
20 static CSSPrimitiveValue::UnitType unitFromName(const String& name); | 21 static CSSPrimitiveValue::UnitType unitFromName(const String& name); |
21 | 22 |
22 CSSLengthValue* add(const CSSLengthValue* other, ExceptionState&); | 23 CSSLengthValue* add(const CSSLengthValue* other, ExceptionState&); |
23 CSSLengthValue* subtract(const CSSLengthValue* other, ExceptionState&); | 24 CSSLengthValue* subtract(const CSSLengthValue* other, ExceptionState&); |
24 CSSLengthValue* multiply(double, ExceptionState&); | 25 CSSLengthValue* multiply(double, ExceptionState&); |
25 CSSLengthValue* divide(double, ExceptionState&); | 26 CSSLengthValue* divide(double, ExceptionState&); |
26 | 27 |
27 virtual bool containsPercent() const = 0; | 28 virtual bool containsPercent() const = 0; |
28 | 29 |
29 static CSSLengthValue* from(const String& cssString, ExceptionState&); | 30 static CSSLengthValue* from(const String& cssString, ExceptionState&); |
30 static CSSLengthValue* from(double value, const String& typeStr, ExceptionSt
ate&); | 31 static CSSLengthValue* from(double value, const String& typeStr, ExceptionSt
ate&); |
31 static CSSLengthValue* from(const CalcDictionary&, ExceptionState&); | 32 static CSSLengthValue* from(const CalcDictionary&, ExceptionState&); |
32 | 33 |
33 protected: | 34 protected: |
34 CSSLengthValue() {} | 35 CSSLengthValue() {} |
35 | 36 |
36 virtual CSSLengthValue* addInternal(const CSSLengthValue* other, ExceptionSt
ate&); | 37 virtual CSSLengthValue* addInternal(const CSSLengthValue* other, ExceptionSt
ate&); |
37 virtual CSSLengthValue* subtractInternal(const CSSLengthValue* other, Except
ionState&); | 38 virtual CSSLengthValue* subtractInternal(const CSSLengthValue* other, Except
ionState&); |
38 virtual CSSLengthValue* multiplyInternal(double, ExceptionState&); | 39 virtual CSSLengthValue* multiplyInternal(double); |
39 virtual CSSLengthValue* divideInternal(double, ExceptionState&); | 40 virtual CSSLengthValue* divideInternal(double); |
40 | 41 |
41 static bool isSupportedLengthUnit(CSSPrimitiveValue::UnitType unit) | 42 static bool isSupportedLengthUnit(CSSPrimitiveValue::UnitType unit) |
42 { | 43 { |
43 return (CSSPrimitiveValue::isLength(unit) || unit == CSSPrimitiveValue::
UnitType::Percentage) | 44 return (CSSPrimitiveValue::isLength(unit) || unit == CSSPrimitiveValue::
UnitType::Percentage) |
44 && unit != CSSPrimitiveValue::UnitType::QuirkyEms | 45 && unit != CSSPrimitiveValue::UnitType::QuirkyEms |
45 && unit != CSSPrimitiveValue::UnitType::UserUnits; | 46 && unit != CSSPrimitiveValue::UnitType::UserUnits; |
46 } | 47 } |
47 | 48 |
48 static const int kNumSupportedUnits = 15; | 49 static const int kNumSupportedUnits = 15; |
49 }; | 50 }; |
50 | 51 |
51 DEFINE_TYPE_CASTS(CSSLengthValue, CSSStyleValue, value, | 52 DEFINE_TYPE_CASTS(CSSLengthValue, CSSStyleValue, value, |
52 (value->type() == CSSStyleValue::SimpleLengthType | 53 (value->type() == CSSStyleValue::SimpleLengthType |
53 || value->type() == CSSStyleValue::CalcLengthType), | 54 || value->type() == CSSStyleValue::CalcLengthType), |
54 (value.type() == CSSStyleValue::SimpleLengthType | 55 (value.type() == CSSStyleValue::SimpleLengthType |
55 || value.type() == CSSStyleValue::CalcLengthType)); | 56 || value.type() == CSSStyleValue::CalcLengthType)); |
56 | 57 |
57 } // namespace blink | 58 } // namespace blink |
58 | 59 |
59 #endif | 60 #endif |
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