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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CSSIdentifierValue_h |
| 6 #define CSSIdentifierValue_h |
| 7 |
| 8 #include "core/CSSValueKeywords.h" |
| 9 #include "core/css/CSSValue.h" |
| 10 #include "wtf/TypeTraits.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 // CSSIdentifierValue stores CSS value keywords, e.g. 'none', 'auto', 'lower-rom
an'. |
| 15 // TODO(sashab): Rename this class to CSSKeywordValue once it no longer conflict
s |
| 16 // with CSSOM's CSSKeywordValue class. |
| 17 class CORE_EXPORT CSSIdentifierValue : public CSSValue { |
| 18 public: |
| 19 static CSSIdentifierValue* create(CSSValueID); |
| 20 |
| 21 // TODO(sashab): Rename this to createFromPlatformValue(). |
| 22 template<typename T> static CSSIdentifierValue* create(T value) |
| 23 { |
| 24 static_assert(!std::is_same<T, CSSValueID>::value, "Do not call create()
with a CSSValueID; call createIdentifier() instead"); |
| 25 return new CSSIdentifierValue(value); |
| 26 } |
| 27 |
| 28 static CSSIdentifierValue* create(const Length& value) |
| 29 { |
| 30 return new CSSIdentifierValue(value); |
| 31 } |
| 32 |
| 33 CSSValueID getValueID() const { return m_valueID; } |
| 34 |
| 35 String customCSSText() const; |
| 36 |
| 37 bool equals(const CSSIdentifierValue& other) const |
| 38 { |
| 39 return m_valueID == other.m_valueID; |
| 40 } |
| 41 |
| 42 template<typename T> inline T convertTo() const; // Defined in CSSPrimitiveV
alueMappings.h |
| 43 |
| 44 DECLARE_TRACE_AFTER_DISPATCH(); |
| 45 |
| 46 private: |
| 47 explicit CSSIdentifierValue(CSSValueID); |
| 48 |
| 49 // TODO(sashab): Remove this function, and update mapping methods to special
ize |
| 50 // the create() method instead. |
| 51 template<typename T> CSSIdentifierValue(T); // Defined in CSSPrimitiveValueM
appings.h |
| 52 |
| 53 CSSIdentifierValue(const Length&); |
| 54 |
| 55 CSSValueID m_valueID; |
| 56 }; |
| 57 |
| 58 DEFINE_CSS_VALUE_TYPE_CASTS(CSSIdentifierValue, isIdentifierValue()); |
| 59 |
| 60 } // namespace blink |
| 61 |
| 62 #endif // CSSIdentifierValue_h |
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