/*

* 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 RADIOPRESETSCANNER_H_

#define RADIOPRESETSCANNER_H_

// System includes

#include <QObject>

#include <QSharedPointer>

// Forward declarations

class HbProgressDialog;

class RadioStation;

class RadioUiEngine;

class RadioWindow;

class RadioFrequencyStrip;

class RadioStationCarousel;

class RadioScannerEngine;

// Class declaration

class RadioFrequencyScanner : public QObject

{

    Q_OBJECT

public:

    RadioFrequencyScanner( RadioUiEngine& uiEngine, QObject* parent );

    ~RadioFrequencyScanner();

    void startScanning();

    bool isAlive() const;

signals:

    void frequencyScannerFinished();

public slots:

    void cancelScanning();

private slots:

    void delayedStart();

    void updateScanProgress( const RadioStation& station );

    void continueScanning();

    void restoreUiControls();

private:

    void finishScanning();

private: // data

    /*!

     * Reference to the Ui engine

     */

    RadioUiEngine&                      mUiEngine;

    bool                                mInMainView;

    QSharedPointer<RadioScannerEngine>  mScannerEngine;

    /**

     * Scanning progress note

     * Own.

     */

    QWeakPointer<HbProgressDialog>      mScanningProgressNote;

    int                                 mStripScrollTime;

    int                                 mCarouselScrollTime;

    bool                                mIsAlive;

    bool                                mUserCanceled;

};

#endif // RADIOPRESETSCANNER_H_