1 /* 2 * (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef CSSStyleDeclaration_h 22 #define CSSStyleDeclaration_h 23 24 #include "CSSPropertyNames.h" 25 #include "bindings/v8/ScriptWrappable.h" 26 #include "core/css/CSSVariablesMap.h" 27 #include "wtf/Forward.h" 28 #include "wtf/Noncopyable.h" 29 30 namespace WebCore { 31 32 class CSSProperty; 33 class CSSRule; 34 class CSSStyleSheet; 35 class CSSValue; 36 class ExceptionState; 37 class MutableStylePropertySet; 38 class VariablesIterator; 39 40 class CSSStyleDeclaration : public ScriptWrappable { 41 WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration); WTF_MAKE_FAST_ALLOCATED; 42 public: 43 virtual ~CSSStyleDeclaration(); 44 45 virtual void ref() = 0; 46 virtual void deref() = 0; 47 48 virtual CSSRule* parentRule() const = 0; 49 virtual String cssText() const = 0; 50 virtual void setCssText(const String&, ExceptionState&) = 0; 51 virtual unsigned length() const = 0; 52 virtual String item(unsigned index) const = 0; 53 virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) = 0; 54 virtual String getPropertyValue(const String& propertyName) = 0; 55 virtual String getPropertyPriority(const String& propertyName) = 0; 56 virtual String getPropertyShorthand(const String& propertyName) = 0; 57 virtual bool isPropertyImplicit(const String& propertyName) = 0; 58 virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&) = 0; 59 virtual String removeProperty(const String& propertyName, ExceptionState&) = 0; 60 61 PassRefPtr<CSSVariablesMap> var(); 62 virtual unsigned variableCount() const = 0; 63 virtual String variableValue(const AtomicString& name) const = 0; 64 virtual void setVariableValue(const AtomicString& name, const String& value, ExceptionState&) = 0; 65 virtual bool removeVariable(const AtomicString& name) = 0; 66 virtual void clearVariables(ExceptionState&) = 0; 67 68 // CSSPropertyID versions of the CSSOM functions to support bindings and editing. 69 // Use the non-virtual methods in the concrete subclasses when possible. 70 // The CSSValue returned by this function should not be exposed to the web as it may be used by multiple documents at the same time. 71 virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0; 72 virtual String getPropertyValueInternal(CSSPropertyID) = 0; 73 virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&) = 0; 74 75 virtual PassRefPtr<MutableStylePropertySet> copyProperties() const = 0; 76 77 virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const = 0; 78 virtual CSSStyleSheet* parentStyleSheet() const { return 0; } 79 80 protected: 81 CSSStyleDeclaration() 82 { 83 ScriptWrappable::init(this); 84 } 85 RefPtr<CSSVariablesMap> m_variablesMap; 86 }; 87 88 } // namespace WebCore 89 90 #endif // CSSStyleDeclaration_h 91
