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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 CSSVariableResolver_h | 5 #ifndef CSSVariableResolver_h |
| 6 #define CSSVariableResolver_h | 6 #define CSSVariableResolver_h |
| 7 | 7 |
| 8 #include "core/CSSPropertyNames.h" | 8 #include "core/CSSPropertyNames.h" |
| 9 #include "core/css/parser/CSSParserToken.h" | 9 #include "core/css/parser/CSSParserToken.h" |
| 10 #include "wtf/HashSet.h" | 10 #include "wtf/HashSet.h" |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 public: | 28 public: |
| 29 static void resolveVariableDefinitions(const StyleResolverState&); | 29 static void resolveVariableDefinitions(const StyleResolverState&); |
| 30 | 30 |
| 31 // Shorthand properties are not supported. | 31 // Shorthand properties are not supported. |
| 32 static const CSSValue* resolveVariableReferences( | 32 static const CSSValue* resolveVariableReferences( |
| 33 const StyleResolverState&, | 33 const StyleResolverState&, |
| 34 CSSPropertyID, | 34 CSSPropertyID, |
| 35 const CSSValue&, | 35 const CSSValue&, |
| 36 bool disallowAnimationTainted); | 36 bool disallowAnimationTainted); |
| 37 | 37 |
| 38 static void computeRegisteredVariables(const StyleResolverState&); |
| 39 |
| 38 DECLARE_TRACE(); | 40 DECLARE_TRACE(); |
| 39 | 41 |
| 40 private: | 42 private: |
| 41 CSSVariableResolver(const StyleResolverState&); | 43 CSSVariableResolver(const StyleResolverState&); |
| 42 | 44 |
| 43 static const CSSValue* resolvePendingSubstitutions( | 45 static const CSSValue* resolvePendingSubstitutions( |
| 44 const StyleResolverState&, | 46 const StyleResolverState&, |
| 45 CSSPropertyID, | 47 CSSPropertyID, |
| 46 const CSSPendingSubstitutionValue&, | 48 const CSSPendingSubstitutionValue&, |
| 47 bool disallowAnimationTainted); | 49 bool disallowAnimationTainted); |
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| 75 | 77 |
| 76 // These return null if the custom property is invalid. | 78 // These return null if the custom property is invalid. |
| 77 | 79 |
| 78 // Returns the CSSVariableData for a custom property, resolving and storing it | 80 // Returns the CSSVariableData for a custom property, resolving and storing it |
| 79 // if necessary. | 81 // if necessary. |
| 80 CSSVariableData* valueForCustomProperty(AtomicString name); | 82 CSSVariableData* valueForCustomProperty(AtomicString name); |
| 81 // Resolves the CSSVariableData from a custom property declaration. | 83 // Resolves the CSSVariableData from a custom property declaration. |
| 82 PassRefPtr<CSSVariableData> resolveCustomProperty(AtomicString name, | 84 PassRefPtr<CSSVariableData> resolveCustomProperty(AtomicString name, |
| 83 const CSSVariableData&); | 85 const CSSVariableData&); |
| 84 | 86 |
| 85 const StyleResolverState& m_styleResolverState; | |
| 86 StyleInheritedVariables* m_inheritedVariables; | 87 StyleInheritedVariables* m_inheritedVariables; |
| 87 StyleNonInheritedVariables* m_nonInheritedVariables; | 88 StyleNonInheritedVariables* m_nonInheritedVariables; |
| 88 Member<const PropertyRegistry> m_registry; | 89 Member<const PropertyRegistry> m_registry; |
| 89 HashSet<AtomicString> m_variablesSeen; | 90 HashSet<AtomicString> m_variablesSeen; |
| 90 // Resolution doesn't finish when a cycle is detected. Fallbacks still | 91 // Resolution doesn't finish when a cycle is detected. Fallbacks still |
| 91 // need to be tracked for additional cycles, and invalidation only | 92 // need to be tracked for additional cycles, and invalidation only |
| 92 // applies back to cycle starts. | 93 // applies back to cycle starts. |
| 93 HashSet<AtomicString> m_cycleStartPoints; | 94 HashSet<AtomicString> m_cycleStartPoints; |
| 94 }; | 95 }; |
| 95 | 96 |
| 96 } // namespace blink | 97 } // namespace blink |
| 97 | 98 |
| 98 #endif // CSSVariableResolver | 99 #endif // CSSVariableResolver |
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