Partial implementation of CSSVariablesMap for CSS Variables CSSOM

Source/core/css/PropertySetCSSStyleDeclaration.h

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
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  * modification, are permitted provided that the following conditions
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  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
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  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 #ifndef PropertySetCSSStyleDeclaration_h
 #define PropertySetCSSStyleDeclaration_h
 
 #include "core/css/CSSStyleDeclaration.h"
+#include "core/css/CSSVariablesMap.h"
 #include <wtf/HashMap.h>
 
 namespace WebCore {
 
 class CSSRule;
 class CSSProperty;
 class CSSValue;
 class MutableStylePropertySet;
 class StyleSheetContents;
 class Element;
@@ skipping 20 matching lines @@
     virtual String getPropertyPriority(const String& propertyName) OVERRIDE;
     virtual String getPropertyShorthand(const String& propertyName) OVERRIDE;
     virtual bool isPropertyImplicit(const String& propertyName) OVERRIDE;
     virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&) OVERRIDE;
     virtual String removeProperty(const String& propertyName, ExceptionCode&) OVERRIDE;
     virtual String cssText() const OVERRIDE;
     virtual void setCssText(const String&, ExceptionCode&) OVERRIDE;
     virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) OVERRIDE;
     virtual String getPropertyValueInternal(CSSPropertyID) OVERRIDE;
     virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) OVERRIDE;
-    
+
+    virtual PassRefPtr<CSSVariablesMap> var() OVERRIDE { return CSSVariablesMap::create(this); }

[esprehn, 2013/07/10 02:42:11]

This doesn't need to be virtual, all subclasses need it. Put var() on the
CSSStyleDeclaration.

[alancutter (OOO until 2018), 2013/07/10 11:18:13]

Done.

+    virtual unsigned variableCount() const OVERRIDE;
+    virtual String variableValue(const AtomicString& name) const OVERRIDE;
+    virtual void setVariableValue(const AtomicString& name, const String& value, ExceptionCode&) OVERRIDE;
+    virtual bool removeVariable(const AtomicString& name) OVERRIDE;
+    virtual void clearVariables(ExceptionCode&) OVERRIDE;
+
     virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const OVERRIDE;
     virtual PassRefPtr<MutableStylePropertySet> copyProperties() const OVERRIDE;
 
     CSSValue* cloneAndCacheForCSSOM(CSSValue*);
     
 protected:
     enum MutationType { NoChanges, PropertyChanged };
     virtual void willMutate() { }
     virtual void didMutate(MutationType) { }
 
@@ skipping 50 matching lines @@
     virtual void clearParentElement() OVERRIDE { m_parentElement = 0; }
 
     virtual void didMutate(MutationType) OVERRIDE;
 
     Element* m_parentElement;
 };
 
 } // namespace WebCore
 
 #endif