/****************************************************************************
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Yoann Lopes (yoann.lopes@nokia.com)
**
** This file is part of the MeeSpot project.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** Redistributions of source code must retain the above copyright notice,
** this list of conditions and the following disclaimer.
**
** Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
**
** Neither the name of Nokia Corporation and its Subsidiary(-ies) nor the names of its
** contributors may be used to endorse or promote products derived from
** this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
** FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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**
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** Nokia at qt-info@nokia.com.
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****************************************************************************/


#ifndef QSPOTIFYPLAYQUEUE_H
#define QSPOTIFYPLAYQUEUE_H

#include <QtCore/QObject>
#include <QtCore/QQueue>

class QSpotifyTrackList;
class QSpotifyTrack;

class QSpotifyPlayQueue : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QList<QObject *> tracks READ tracks NOTIFY tracksChanged)
    Q_PROPERTY(int currentIndex READ currentIndex NOTIFY tracksChanged)
public:
    QSpotifyPlayQueue();
    ~QSpotifyPlayQueue();

    void playTrack(QSpotifyTrack *track);
    void enqueueTrack(QSpotifyTrack *track);
    void enqueueTracks(QList<QSpotifyTrack *> tracks);
    Q_INVOKABLE void selectTrack(QSpotifyTrack *track);

    Q_INVOKABLE bool isExplicitTrack(int index);

    void playNext(bool repeat);
    void playPrevious();

    void clear();

    void setShuffle(bool s);
    void setRepeat(bool r);

    int currentIndex() const { return m_currentTrackIndex; }

    QList<QObject *> tracks() const;

    bool isCurrentTrackList(QSpotifyTrackList *tl);
    void tracksUpdated();

Q_SIGNALS:
    void tracksChanged();

private Q_SLOTS:
    void onTrackReady();
    void onOfflineModeChanged();

private:

    QSpotifyTrackList *m_implicitTracks;
    QQueue<QSpotifyTrack *> m_explicitTracks;
    QSpotifyTrack *m_currentExplicitTrack;

    mutable int m_currentTrackIndex;

    bool m_shuffle;
    bool m_repeat;

    friend class QSpotifyPlaylist;
};

#endif // QSPOTIFYPLAYQUEUE_H