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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSStyleDeclaration_h
#define CSSStyleDeclaration_h
#include "CSSPropertyNames.h"
#include "CSSRule.h"
#include <wtf/Forward.h>
namespace WebCore {
class CSSProperty;
class CSSStyleSheet;
class CSSValue;
class MemoryObjectInfo;
class StylePropertySet;
class StyledElement;
typedef int ExceptionCode;
class CSSStyleDeclaration {
WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration); WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~CSSStyleDeclaration() { }
virtual void ref() = 0;
virtual void deref() = 0;
virtual CSSRule* parentRule() const = 0;
virtual String cssText() const = 0;
virtual void setCssText(const String&, ExceptionCode&) = 0;
virtual unsigned length() const = 0;
virtual String item(unsigned index) const = 0;
virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) = 0;
virtual String getPropertyValue(const String& propertyName) = 0;
virtual String getPropertyPriority(const String& propertyName) = 0;
virtual String getPropertyShorthand(const String& propertyName) = 0;
virtual bool isPropertyImplicit(const String& propertyName) = 0;
virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&) = 0;
virtual String removeProperty(const String& propertyName, ExceptionCode&) = 0;
// CSSPropertyID versions of the CSSOM functions to support bindings and editing.
// Use the non-virtual methods in the concrete subclasses when possible.
// 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.
virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0;
virtual String getPropertyValueInternal(CSSPropertyID) = 0;
virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) = 0;
virtual PassRefPtr<StylePropertySet> copy() const = 0;
virtual PassRefPtr<StylePropertySet> makeMutable() = 0;
virtual bool cssPropertyMatches(const CSSProperty*) const = 0;
virtual CSSStyleSheet* parentStyleSheet() const { return 0; }
virtual void reportMemoryUsage(MemoryObjectInfo*) const = 0;
protected:
CSSStyleDeclaration() { }
};
} // namespace WebCore
#endif // CSSStyleDeclaration_h
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