/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
 *
 *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
 *   Copyright 2010-2012, Jeff Mitchell <jeff@tomahawk-player.org>
 *
 *   Tomahawk 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef TOMAHAWKALBUMPLAYLISTINTERFACE_H
#define TOMAHAWKALBUMPLAYLISTINTERFACE_H

#include <QtCore/QObject>
#include <QtCore/QSharedPointer>

#include "album.h"
#include "typedefs.h"
#include "playlistinterface.h"
#include "dllmacro.h"

namespace Tomahawk
{

class DLLEXPORT AlbumPlaylistInterface : public Tomahawk::PlaylistInterface
{
Q_OBJECT

public:
    AlbumPlaylistInterface( Tomahawk::Album *album );
    virtual ~AlbumPlaylistInterface();

    QList<Tomahawk::query_ptr> tracks();

    virtual int trackCount() const { return m_queries.count(); }
    virtual int unfilteredTrackCount() const { return m_queries.count(); }

    virtual Tomahawk::result_ptr siblingItem( int itemsAway );

    virtual bool hasNextItem();
    virtual Tomahawk::result_ptr currentItem() const;

    virtual PlaylistInterface::RepeatMode repeatMode() const { return PlaylistInterface::NoRepeat; }
    virtual bool shuffled() const { return false; }

    virtual void setRepeatMode( PlaylistInterface::RepeatMode ) {}
    virtual void setShuffled( bool ) {}

    virtual void setFilter( const QString& /*pattern*/ ) {}

    virtual void addQueries( const QList<Tomahawk::query_ptr>& tracks );

signals:
    void repeatModeChanged( Tomahawk::PlaylistInterface::RepeatMode mode );
    void shuffleModeChanged( bool enabled );

    void trackCountChanged( unsigned int tracks );
    void sourceTrackCountChanged( unsigned int tracks );

    void nextTrackReady();

private:
    AlbumPlaylistInterface();

    QList< Tomahawk::query_ptr > m_queries;
    result_ptr m_currentItem;
    unsigned int m_currentTrack;

    QWeakPointer< Tomahawk::Album > m_album;
};

}; // ns

#endif
