/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 SYSTEMINFOBEEP_H

#define SYSTEMINFOBEEP_H

//  INCLUDES

#include <MdaAudioTonePlayer.h>

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  CSystemInfoBeep.

*  Interface to information about the radio network connection.

*  @lib npSystemInfoPlugin.lib

*  @since S60 v3.2

*/

NONSHARABLE_CLASS(CSystemInfoBeep) : public CBase, public MMdaAudioToneObserver

    {

public: // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CSystemInfoBeep* NewL();

    /**

     * Destructor.

     */

    virtual ~CSystemInfoBeep();

public:

    /**

     * Play a pure tone.

     * @since 3.2

     * @param frequency of tone in Hertz

     * @param duration of tone in microseconds

     * @return void

     */

    void Play( TInt aFrequency, TTimeIntervalMicroSeconds iDuration);

private:

    /**

     * C++ default constructor.

     */

    CSystemInfoBeep();

    /**

     * By default Symbian 2nd phase constructor is private.

     * @param none

     * @return void

     */

    void ConstructL();

public:

    // from MMdaAudioToneObserver

    void MatoPrepareComplete(TInt aError);

    void MatoPlayComplete(TInt aError);

private:

    typedef enum TBeepState

        {

        EBeepIdle,

        EBeepPreparing,

        EBeepPlaying

        };

private:

    CMdaAudioToneUtility* iToneUtil; // owned

    TBeepState iState;

    };

#endif // SYSTEMINFOBEEP_H

// End of File