/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
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** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

#ifndef CIRCULARCLIPBOARD_H
#define CIRCULARCLIPBOARD_H

#include <QList>
#include <QMimeData>
#include <QSharedPointer>

namespace TextEditor {
namespace Internal {

class CircularClipboard
{
public:
    static CircularClipboard *instance();

    void collect(const QMimeData *mimeData);
    void collect(const QSharedPointer<const QMimeData> &mimeData);
    QSharedPointer<const QMimeData> next() const;
    void toLastCollect();
    int size() const;

private:
    CircularClipboard();
    ~CircularClipboard();
    CircularClipboard &operator=(const CircularClipboard &);

    mutable int m_current;
    QList< QSharedPointer<const QMimeData> > m_items;
};

} // namespace Internal
} // namespace TextEditor

#endif // CIRCULARCLIPBOARD_H
