1 /* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CSSVariablesDeclaration_h 27 #define CSSVariablesDeclaration_h 28 29 #include "PlatformString.h" 30 #include "StringHash.h" 31 #include "StyleBase.h" 32 #include <wtf/HashMap.h> 33 #include <wtf/RefPtr.h> 34 #include <wtf/Vector.h> 35 36 namespace WebCore { 37 38 typedef int ExceptionCode; 39 40 class CSSMutableStyleDeclaration; 41 class CSSRule; 42 class CSSValue; 43 class CSSValueList; 44 45 class CSSVariablesDeclaration : public StyleBase { 46 public: 47 static PassRefPtr<CSSVariablesDeclaration> create(StyleBase* owningRule, const Vector<String>& names, const Vector<RefPtr<CSSValue> >& values) 48 { 49 return adoptRef(new CSSVariablesDeclaration(owningRule, names, values)); 50 } 51 virtual ~CSSVariablesDeclaration(); 52 53 String getVariableValue(const String&); 54 String removeVariable(const String&, ExceptionCode&); 55 void setVariable(const String&, const String&, ExceptionCode&); 56 57 unsigned length() const; 58 String item(unsigned index); 59 60 CSSRule* parentRule(); 61 62 String cssText() const; 63 void setCssText(const String&); // FIXME: The spec contradicts itself regarding whether or not cssText is settable. 64 65 void addParsedVariable(const String& variableName, PassRefPtr<CSSValue> variableValue, bool updateNamesList = true); 66 67 CSSValueList* getParsedVariable(const String& variableName); 68 CSSMutableStyleDeclaration* getParsedVariableDeclarationBlock(const String& variableName); 69 70 private: 71 CSSVariablesDeclaration(StyleBase* owningRule, const Vector<String>& names, const Vector<RefPtr<CSSValue> >& values); 72 73 void setNeedsStyleRecalc(); 74 75 protected: 76 Vector<String> m_variableNames; 77 HashMap<String, RefPtr<CSSValue> > m_variablesMap; 78 }; 79 80 } // namespace WebCore 81 82 #endif // CSSVariablesDeclaration_h 83