/*

 * Copyright (C) 2001 Peter Kelly (pmk@post.com)

 * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)

 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)

 * Copyright (C) 2003, 2004, 2005, 2006, 2008 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 MutationEvent_h

#define MutationEvent_h

#include "Event.h"

#include "Node.h"

namespace WebCore {

    class MutationEvent : public Event {

    public:

        enum attrChangeType {

            MODIFICATION    = 1,

            ADDITION        = 2,

            REMOVAL         = 3

        };

        static PassRefPtr<MutationEvent> create()

        {

            return adoptRef(new MutationEvent);

        }

        static PassRefPtr<MutationEvent> create(const AtomicString& type, bool canBubble, PassRefPtr<Node> relatedNode = 0,

            const String& prevValue = String(), const String& newValue = String(), const String& attrName = String(), unsigned short attrChange = 0)

        {

            return adoptRef(new MutationEvent(type, canBubble, false, relatedNode, prevValue, newValue, attrName, attrChange));

        }

        void initMutationEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<Node> relatedNode,

                               const String& prevValue, const String& newValue,

                               const String& attrName, unsigned short attrChange);

        Node* relatedNode() const { return m_relatedNode.get(); }

        String prevValue() const { return m_prevValue; }

        String newValue() const { return m_newValue; }

        String attrName() const { return m_attrName; }

        unsigned short attrChange() const { return m_attrChange; }

        virtual bool isMutationEvent() const;

    private:

        MutationEvent();

        MutationEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<Node> relatedNode,

                      const String& prevValue, const String& newValue,

                      const String& attrName, unsigned short attrChange);

        RefPtr<Node> m_relatedNode;

        String m_prevValue;

        String m_newValue;

        String m_attrName;

        unsigned short m_attrChange;

    };

} // namespace WebCore

#endif // MutationEvent_h