/*

* Copyright (c) 2008-2008 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:  Implements CPEAudioToneUtility interface

*

*/

#ifndef CPEAUDIOTONEUTILITYIMPL_H

#define CPEAUDIOTONEUTILITYIMPL_H

#include <e32base.h>

#include "cpeaudiotoneutility.h"

class MMdaAudioToneObserver;

class CMdaAudioToneUtility;

/**

 *  Wraps CMdaAudioToneUtility.

 *  To ease module testing.

 *

 *  @lib AudioHandling

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS( CPEAudioToneUtilityImpl ) : public CPEAudioToneUtility

    {

public:

    static CPEAudioToneUtilityImpl* NewL(

        MMdaAudioToneObserver& aToneObserver );  

    /**

    * Destructor.

    */

    virtual ~CPEAudioToneUtilityImpl();

// from base class CPEAudioToneUtility

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void PrepareToPlayDesSequence( const TDesC8& aSequence );

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    TMdaAudioToneUtilityState State();

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void CancelPlay();

     /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    TInt MaxVolume();

     /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void SetVolume( TInt aVolume );

     /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void SetRepeats(

        TInt aRepeatNumberOfTimes, 

        const TTimeIntervalMicroSeconds& aTrailingSilence );

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void SetPriority(

        TInt aPriority, 

        TMdaPriorityPreference aPref);

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void SetVolumeRamp( 

        const TTimeIntervalMicroSeconds& aRampDuration );

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     *

     * @since S60 5.0

     */

    void Play();

    /**

     * From CPEAudioToneUtility

     * @see CMdaAudioToneUtility

     */

    void CancelPrepare();

private:

    CPEAudioToneUtilityImpl();

    void ConstructL( MMdaAudioToneObserver& aToneObserver );

private: // data

    /**

     * Own.

     * For playing tones.

     */

    CMdaAudioToneUtility* iToneUtility;

    };

#endif // CPEAUDIOTONEUTILITYIMPL_H