/*

* 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 "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:  Wrapper for Tone Player Utility

*

*/

#ifndef CAM_TONEPLAYERWRAPPER_H

#define CAM_TONEPLAYERWRAPPER_H

// ===========================================================================

// Includes

#include <mdaaudiotoneplayer.h>   // for MMdaAudioToneObserver

// ===========================================================================

// Forward declarations

class MCamPlayerObserver;

// ===========================================================================

// Class definitions

/**

* Tone Player Wrapper class

*

*/

class CCamTonePlayerWrapper : public CBase,

                              public MMdaAudioToneObserver

  {

  // =======================================================

  // methods

  // -------------------------------------------------------

  // constructors and destructor

  public: 

    static CCamTonePlayerWrapper* NewL( MCamPlayerObserver& aObserver );

    virtual ~CCamTonePlayerWrapper();

  // -------------------------------------------------------

  // from MMdaAudioToneObserver

  public: 

    virtual void MatoPrepareComplete( TInt aStatus );

    virtual void MatoPlayComplete   ( TInt aStatus );

  // -------------------------------------------------------

  // new public

  public: 

    void PlayTone( TInt    aToneInHz, 

                   TInt    aLengthInUs, 

                   TReal32 aVolumeInPercent,

                   TBool   aCallback );

    void CancelPlay();

  // -------------------------------------------------------

  // new private

  private: 

    void InitL();

    void NotifyPlayComplete( TInt aStatus );

  // -------------------------------------------------------

  // private constructors

  private: 

    void ConstructL();

    CCamTonePlayerWrapper( MCamPlayerObserver& aObserver );

  // =======================================================

  // data

  private: 

    enum TCamTonePlayerWrapperState

      {

      EIdle         = 0,

      EInitializing = 1,

      EPlaying      = 2

      };

    MCamPlayerObserver&        iObserver;

    CMdaAudioToneUtility*      iTone;

    TCamTonePlayerWrapperState iState;

    TBool                      iCallback;

  // =======================================================

  };

#ifdef _DEBUG

    static const TUint16* KCamTonePlayerWrapperStateNames[] = 

      {

      (const TUint16*)_S16("EIdle"),

      (const TUint16*)_S16("EInitializing"),

      (const TUint16*)_S16("EPlaying")

      };

#endif // _DEBUG

#endif // CAM_TONEPLAYERWRAPPER_H

// ===========================================================================

// end of file