/*
 * 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 "core/events/Event.h"
#include "core/dom/Node.h"

namespace blink {

class MutationEvent final : public Event {
    DEFINE_WRAPPERTYPEINFO();
public:
    virtual ~MutationEvent();

    enum AttrChangeType {
        MODIFICATION    = 1, // NOLINT
        ADDITION        = 2, // NOLINT
        REMOVAL         = 3  // NOLINT
    };

    static PassRefPtrWillBeRawPtr<MutationEvent> create()
    {
        return adoptRefWillBeNoop(new MutationEvent);
    }

    static PassRefPtrWillBeRawPtr<MutationEvent> create(
        const AtomicString& type, bool canBubble, PassRefPtrWillBeRawPtr<Node> relatedNode = nullptr,
        const String& prevValue = String(), const String& newValue = String(), const String& attrName = String(), unsigned short attrChange = 0)
    {
        return adoptRefWillBeNoop(new MutationEvent(type, canBubble, false, relatedNode, prevValue, newValue, attrName, attrChange));
    }

    void initMutationEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<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 const AtomicString& interfaceName() const override;

    DECLARE_VIRTUAL_TRACE();

private:
    MutationEvent();
    MutationEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<Node> relatedNode, const String& prevValue, const String& newValue, const String& attrName, unsigned short attrChange);

    RefPtrWillBeMember<Node> m_relatedNode;
    String m_prevValue;
    String m_newValue;
    String m_attrName;
    unsigned short m_attrChange;
};

} // namespace blink

#endif // MutationEvent_h
