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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Peter Kelly (pmk@post.com)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 StyledElement_h
#define StyledElement_h
#include "Element.h"
#include "StylePropertySet.h"
namespace WebCore {
class Attribute;
struct PresentationAttributeCacheKey;
class StyledElement : public Element {
public:
virtual ~StyledElement();
virtual StylePropertySet* additionalAttributeStyle() { return 0; }
void invalidateStyleAttribute();
const StylePropertySet* inlineStyle() const { return attributeData() ? attributeData()->inlineStyle() : 0; }
const StylePropertySet* ensureInlineStyle() { return ensureAttributeData()->ensureInlineStyle(this); }
// Unlike StylePropertySet setters, these implement invalidation.
bool setInlineStyleProperty(CSSPropertyID, int identifier, bool important = false);
bool setInlineStyleProperty(CSSPropertyID, double value, CSSPrimitiveValue::UnitTypes, bool important = false);
bool setInlineStyleProperty(CSSPropertyID, const String& value, bool important = false);
bool removeInlineStyleProperty(CSSPropertyID);
virtual CSSStyleDeclaration* style() OVERRIDE;
StylePropertySet* attributeStyle();
const SpaceSplitString& classNames() const;
virtual void collectStyleForAttribute(const Attribute&, StylePropertySet*) { }
// May be called by ElementAttributeData::cloneDataFrom().
enum ShouldReparseStyleAttribute { DoNotReparseStyleAttribute = 0, ReparseStyleAttribute = 1 };
void styleAttributeChanged(const AtomicString& newStyleString, ShouldReparseStyleAttribute = ReparseStyleAttribute);
protected:
StyledElement(const QualifiedName&, Document*, ConstructionType);
virtual void attributeChanged(const Attribute&) OVERRIDE;
virtual void parseAttribute(const Attribute&);
virtual bool isPresentationAttribute(const QualifiedName&) const { return false; }
void addPropertyToAttributeStyle(StylePropertySet*, CSSPropertyID, int identifier);
void addPropertyToAttributeStyle(StylePropertySet*, CSSPropertyID, double value, CSSPrimitiveValue::UnitTypes);
void addPropertyToAttributeStyle(StylePropertySet*, CSSPropertyID, const String& value);
virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
// classAttributeChanged() exists to share code between
// parseAttribute (called via setAttribute()) and
// svgAttributeChanged (called when element.className.baseValue is set)
void classAttributeChanged(const AtomicString& newClassString);
private:
virtual void updateStyleAttribute() const;
void inlineStyleChanged();
void makePresentationAttributeCacheKey(PresentationAttributeCacheKey&) const;
void updateAttributeStyle();
void destroyInlineStyle()
{
if (attributeData())
attributeData()->destroyInlineStyle(this);
}
};
inline const SpaceSplitString& StyledElement::classNames() const
{
ASSERT(hasClass());
ASSERT(attributeData());
return attributeData()->classNames();
}
inline void StyledElement::invalidateStyleAttribute()
{
clearIsStyleAttributeValid();
}
inline StylePropertySet* StyledElement::attributeStyle()
{
if (attributeStyleDirty())
updateAttributeStyle();
return attributeData() ? attributeData()->attributeStyle() : 0;
}
} //namespace
#endif
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