/*
 * Cantata
 *
 * Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
 *
 */
/****************************************************************************************
 * Copyright (c) 2007 Jeff Mitchell <kde-dev@emailgoeshere.com>                         *
 *                                                                                      *
 * This program is free software; you can redistribute it and/or modify it under        *
 * the terms of the GNU General Public License as published by the Free Software        *
 * Foundation; either version 2 of the License, or (at your option) any later           *
 * version.                                                                             *
 *                                                                                      *
 * This program 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 General Public License for more details.             *
 *                                                                                      *
 * You should have received a copy of the GNU General Public License along with         *
 * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
 ****************************************************************************************/

#ifndef MEDIADEVICECACHE_H
#define MEDIADEVICECACHE_H

#include <QtCore/QObject>
#include <QtCore/QMap>
#include <QtCore/QString>
#include <QtCore/QStringList>

class MediaDeviceCache : public QObject
{
    Q_OBJECT

public:

    enum DeviceType { PMPType, VolumeType, ManualType, AudioCdType, GenericType, InvalidType };

    static MediaDeviceCache* self() { return s_instance ? s_instance : new MediaDeviceCache(); }

    /**
    * Creates a new MediaDeviceCache.
    *
    */
    MediaDeviceCache();
    ~MediaDeviceCache();

    void refreshCache();
    const QStringList getAll() const { return m_type.keys(); }
    MediaDeviceCache::DeviceType deviceType( const QString &udi ) const;
    const QString deviceName( const QString &udi ) const;

Q_SIGNALS:
    void deviceAdded( const QString &udi );
    void deviceRemoved( const QString &udi );
    void accessibilityChanged( bool accessible, const QString &udi );

public Q_SLOTS:
    void slotAddDevice( const QString &udi );
    void slotRemoveDevice( const QString &udi );
    void slotAccessibilityChanged( bool accessible, const QString &udi );

private:
    QMap<QString, MediaDeviceCache::DeviceType> m_type;
    QMap<QString, QString> m_name;
    QMap<QString, bool> m_accessibility;
    QStringList m_volumes;
    static MediaDeviceCache* s_instance;
};

#endif /* AMAROK_MEDIADEVICECACHE_H */