/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef RADIOENGINEWRAPPER_P_H

#define RADIOENGINEWRAPPER_P_H

// System includes

#include <QObject>

#include <QScopedPointer>

// User includes

#include "radioenginewrapper.h"

// Forward declarations

class RadioControlEventListener;

class RadioRdsListener;

class RadioSettings;

class RadioFrequencyScanningHandler;

class RadioStationHandlerIf;

class RadioEngineWrapperObserver;

class T_RadioDataParser;

class QSettings;

class QTimer;

typedef QList<RadioEngineWrapperObserver*> ObserverList;

#define RUN_NOTIFY_LOOP( list, func ) \

        foreach( RadioEngineWrapperObserver* observer, list ) { \

            observer->func; \

        }

// Class declaration

class WRAPPER_DLL_EXPORT RadioEngineWrapperPrivate : public QObject

{

    Q_OBJECT

    Q_DECLARE_PUBLIC( RadioEngineWrapper )

    Q_DISABLE_COPY( RadioEngineWrapperPrivate )

    friend class RadioFrequencyScanningHandler;

public:

    RadioEngineWrapperPrivate( RadioEngineWrapper* wrapper,

                               RadioStationHandlerIf& stationHandler );

    ~RadioEngineWrapperPrivate();

    static RadioEngineWrapperPrivate* instance();

    /**

     * Initialization and startup

     */

    void init();

    bool isEngineConstructed();

    /**

     * Returns the radio settings

     */

    /**

     * Functions called from slots to tune to given frequency or preset

     */

    void tuneFrequency( uint frequency, const int reason );

    void tuneWithDelay( uint frequency, const int reason );

    ObserverList& observers();

    void startSeeking( Seeking::Direction direction, const int reason );

    void cancelSeeking();

    void toggleAudioRoute();

// Functions used by the win32 test window

    QString dataParsingError() const;

    void setHeadsetStatus( bool connected );

    void setVolume( int volume );

    void addSong( const QString& artist, const QString& title );

    void clearSong();

    bool isOffline() const;

    void setOffline( bool offline );

private slots:

    void frequencyEvent();

    void addSongTags();

private:

// New functions

    void parseData();

private: // data

    /**

     * Pointer to the public class

     * Not own.

     */

    RadioEngineWrapper*                             q_ptr;

    /**

     * Map of radio stations read from the radio engine

     * Own.

     */

    RadioStationHandlerIf&                          mStationHandler;

    /**

     * Reference to the wrapper observer

     */

    ObserverList                                    mObservers;

    /**

     * Radio settings handler

     * Own.

     */

    QScopedPointer<RadioSettings>                   mSettings;

    QTimer*                                         mTuneTimer;

    /**

     * Preset scanning handler

     * Own.

     */

//    QScopedPointer<RadioFrequencyScanningHandler>   mFrequencyScanningHandler;

//    QScopedPointer<T_RadioDataParser>               mDataParser;

    QString                                         mParsingError;

    /**

     * Reason for the tune event. RadioFrequencyStrip or someone else

     */

    int                                             mTuneReason;

    /**

     * Flag to indicate whether or not audio should be routed to loudspeaker

     */

    bool                                            mUseLoudspeaker;

    QScopedPointer<QSettings>                       mEngineSettings;

    bool                                            mAntennaAttached;

    uint                                            mFrequency;

    uint                                            mNextFrequency;

    int                                             mVolume;

    int                                             mMaxVolume;

    int                                             mFrequencyStepSize;

    RadioRegion::Region                             mRegionId;

    uint                                            mMinFrequency;

    uint                                            mMaxFrequency;

    QString                                         mArtist;

    QString                                         mTitle;

};

#endif // RADIOENGINEWRAPPER_P_H