/*
 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
 *           (C) 2000 Dirk Mueller (mueller@kde.org)
 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
 *
 * 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 StyleSurroundData_h
#define StyleSurroundData_h

#include "core/style/BorderData.h"
#include "platform/LengthBox.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"

namespace blink {

// TODO(sashab): Move this into a private class on ComputedStyle, and remove
// all methods on it, merging them into copy/creation methods on ComputedStyle
// instead. Keep the allocation logic, only allocating a new object if needed.
class StyleSurroundData : public RefCounted<StyleSurroundData> {
public:
    static PassRefPtr<StyleSurroundData> create() { return adoptRef(new StyleSurroundData); }
    PassRefPtr<StyleSurroundData> copy() const { return adoptRef(new StyleSurroundData(*this)); }

    bool operator==(const StyleSurroundData&) const;
    bool operator!=(const StyleSurroundData& o) const
    {
        return !(*this == o);
    }

    LengthBox offset;
    LengthBox margin;
    LengthBox padding;
    BorderData border;

private:
    StyleSurroundData();
    StyleSurroundData(const StyleSurroundData&);
};

} // namespace blink

#endif // StyleSurroundData_h