/*

 * 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 "CSSMutableStyleDeclaration.h"

#include "Element.h"

#include "MappedAttributeEntry.h"

namespace WebCore {

class Attribute;

class CSSMappedAttributeDeclaration;

class StyledElement : public Element {

public:

    virtual ~StyledElement();

    bool hasMappedAttributes() const { return attributeMap() && attributeMap()->hasMappedAttributes(); }

    bool isMappedAttribute(const QualifiedName& name) const { MappedAttributeEntry res = eNone; mapToEntry(name, res); return res != eNone; }

    void addCSSLength(Attribute*, int id, const String& value);

    void addCSSProperty(Attribute*, int id, const String& value);

    void addCSSProperty(Attribute*, int id, int value);

    void addCSSImageProperty(Attribute*, int propertyID, const String& url);

    void addCSSColor(Attribute*, int id, const String& color);

    static CSSMappedAttributeDeclaration* getMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value);

    static void setMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value, CSSMappedAttributeDeclaration*);

    static void removeMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value);

    static CSSMappedAttributeDeclaration* getMappedAttributeDecl(MappedAttributeEntry, Attribute*);

    static void setMappedAttributeDecl(MappedAttributeEntry, Attribute*, CSSMappedAttributeDeclaration*);

    CSSMutableStyleDeclaration* inlineStyleDecl() const { return m_inlineStyleDecl.get(); }

    virtual bool canHaveAdditionalAttributeStyleDecls() const { return false; }

    virtual void additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration*>&) { }

    CSSMutableStyleDeclaration* getInlineStyleDecl();

    CSSStyleDeclaration* style();

    void invalidateStyleAttribute();

    const SpaceSplitString& classNames() const;

    virtual bool mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const;

    virtual PassRefPtr<Attribute> createAttribute(const QualifiedName&, const AtomicString& value);

protected:

    StyledElement(const QualifiedName& name, Document* document, ConstructionType type)

        : Element(name, document, type)

    {

    }

    virtual void attributeChanged(Attribute*, bool preserveDecls = false);

    virtual void parseMappedAttribute(Attribute*);

    virtual void copyNonAttributeProperties(const Element*);

    virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;

    // classAttributeChanged() exists to share code between

    // parseMappedAttribute (called via setAttribute()) and

    // svgAttributeChanged (called when element.className.baseValue is set)

    void classAttributeChanged(const AtomicString& newClassString);

    virtual void didMoveToNewOwnerDocument();

private:

    void createMappedDecl(Attribute*);

    void createInlineStyleDecl();

    void destroyInlineStyleDecl();

    virtual void updateStyleAttribute() const;

    RefPtr<CSSMutableStyleDeclaration> m_inlineStyleDecl;

};

inline const SpaceSplitString& StyledElement::classNames() const

{

    ASSERT(hasClass());

    ASSERT(attributeMap());

    return attributeMap()->classNames();

}

inline void StyledElement::invalidateStyleAttribute()

{

    clearIsStyleAttributeValid();

}

} //namespace

#endif