/** @file
 *
 * VBox frontends: Qt GUI ("VirtualBox"):
 * VBoxMediaComboBox class declaration
 */

/*
 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 USA or visit http://www.sun.com if you need
 * additional information or have any questions.
 */

#ifndef __VBoxMediaComboBox_h__
#define __VBoxMediaComboBox_h__

#include "VBoxGlobal.h"

#include <qcombobox.h>
#include <qvaluelist.h>

class QListBoxItem;

class VBoxMediaComboBox : public QComboBox
{
    Q_OBJECT

public:

    typedef QMap <QUuid, QUuid> BaseToDiffMap;

    VBoxMediaComboBox (QWidget *aParent, const char *aName,
                       VBoxDefs::MediaType aType, QUuid aMachineId = QUuid());
    ~VBoxMediaComboBox() {}

    void refresh();
    void repopulate();

    QUuid id (int = -1);
    QString location (int = -1);

    void setCurrentItem (const QUuid &);
    void setType (VBoxDefs::MediaType);

    void setShowDiffs (bool aShowDiffs);
    bool showDiffs() const { return mShowDiffs; }

protected slots:

    void mediaEnumStarted();
    void mediumEnumerated (const VBoxMedium &, int);
    void mediumAdded (const VBoxMedium &);
    void mediumUpdated (const VBoxMedium &);
    void mediumRemoved (VBoxDefs::MediaType, const QUuid &);
    void processOnItem (QListBoxItem *);
    void processActivated (int);

protected:

    void addNoMediaItem();

    void updateToolTip (int);

    void appendItem (const VBoxMedium &);
    void replaceItem (int, const VBoxMedium &);

    bool findMediaIndex (const QUuid &aId, size_t &aIndex);

    VBoxDefs::MediaType mType;

    /** Obtruncated VBoxMedium structure. */
    struct Medium
    {
        Medium() {}
        Medium (const QUuid &aId, const QString &aLocation,
                const QString aToolTip)
            : id (aId), location (aLocation), toolTip (aToolTip) {}

        QUuid id;
        QString location;
        QString toolTip;
    };

    typedef QValueVector <Medium> Media;
    Media mMedia;

    QUuid mLastId;

    bool mShowDiffs : 1;

    QUuid mMachineId;
};

#endif /* __VBoxMediaComboBox_h__ */