1 /* 2 * (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2008 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 "StyleBase.h" 25 #include <wtf/Forward.h> 26 27 namespace WebCore { 28 29 class CSSMutableStyleDeclaration; 30 class CSSProperty; 31 class CSSRule; 32 class CSSValue; 33 34 typedef int ExceptionCode; 35 36 class CSSStyleDeclaration : public StyleBase { 37 public: 38 static bool isPropertyName(const String&); 39 40 CSSRule* parentRule() const; 41 42 virtual String cssText() const = 0; 43 virtual void setCssText(const String&, ExceptionCode&) = 0; 44 45 unsigned length() const { return virtualLength(); } 46 virtual unsigned virtualLength() const = 0; 47 bool isEmpty() const { return !length(); } 48 virtual String item(unsigned index) const = 0; 49 50 PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName); 51 String getPropertyValue(const String& propertyName); 52 String getPropertyPriority(const String& propertyName); 53 String getPropertyShorthand(const String& propertyName); 54 bool isPropertyImplicit(const String& propertyName); 55 56 virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const = 0; 57 virtual String getPropertyValue(int propertyID) const = 0; 58 virtual bool getPropertyPriority(int propertyID) const = 0; 59 virtual int getPropertyShorthand(int propertyID) const = 0; 60 virtual bool isPropertyImplicit(int propertyID) const = 0; 61 62 void setProperty(const String& propertyName, const String& value, ExceptionCode&); 63 void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&); 64 String removeProperty(const String& propertyName, ExceptionCode&); 65 virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&) = 0; 66 virtual String removeProperty(int propertyID, ExceptionCode&) = 0; 67 68 virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const = 0; 69 virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable() = 0; 70 71 void diff(CSSMutableStyleDeclaration*) const; 72 73 PassRefPtr<CSSMutableStyleDeclaration> copyPropertiesInSet(const int* set, unsigned length) const; 74 75 protected: 76 CSSStyleDeclaration(CSSRule* parentRule = 0); 77 78 virtual bool cssPropertyMatches(const CSSProperty*) const; 79 80 }; 81 82 } // namespace WebCore 83 84 #endif // CSSStyleDeclaration_h 85