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 "bindings/v8/ScriptWrappable.h" 25 #include "core/CSSPropertyNames.h" 26 #include "wtf/Forward.h" 27 #include "wtf/Noncopyable.h" 28 29 namespace WebCore { 30 31 class CSSProperty; 32 class CSSRule; 33 class CSSStyleSheet; 34 class CSSValue; 35 class ExceptionState; 36 class MutableStylePropertySet; 37 38 class CSSStyleDeclaration : public NoBaseWillBeGarbageCollectedFinalized<CSSStyleDeclaration>, public ScriptWrappable { 39 WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 40 public: 41 virtual ~CSSStyleDeclaration() { } 42 43 #if !ENABLE(OILPAN) 44 virtual void ref() = 0; 45 virtual void deref() = 0; 46 #endif 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 PassRefPtrWillBeRawPtr<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 // CSSPropertyID versions of the CSSOM functions to support bindings and editing. 62 // Use the non-virtual methods in the concrete subclasses when possible. 63 // 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. 64 virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0; 65 virtual String getPropertyValueInternal(CSSPropertyID) = 0; 66 virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&) = 0; 67 68 virtual PassRefPtrWillBeRawPtr<MutableStylePropertySet> copyProperties() const = 0; 69 70 virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const = 0; 71 virtual CSSStyleSheet* parentStyleSheet() const { return 0; } 72 73 virtual void trace(Visitor*) { } 74 75 protected: 76 CSSStyleDeclaration() 77 { 78 ScriptWrappable::init(this); 79 } 80 }; 81 82 } // namespace WebCore 83 84 #endif // CSSStyleDeclaration_h 85
