/*

* Copyright (c) 2005 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:  Controls the volume of a CMMAVolumeControl.

*

*/

#ifndef CAMMSVOLUMECONTROL_H

#define CAMMSVOLUMECONTROL_H

//  INCLUDES

#include <e32base.h>

#include "cammscontrol.h"

// FORWARD DECLARATIONS

class CMMAVolumeControl;

// CONSTANTS

const TInt KAMMSMAXVolume = 100;

// CLASS DECLARATION

/**

*

*  Controls the volume of a CMMAVolumeControl.

*  This class delegates SetVolumeL method calls to CMMAVolumeControl

*  given in constructor.

*

*  @since 3.0

*/

NONSHARABLE_CLASS(CAMMSVolumeControl): public CAMMSControl

{

public:  // Constructors and destructor

    /**

    * Two-phased constructor.

    * @param aControlName Class name for this control.

    * @param aVolumeControl Delegated control.

    * @param aPlayer Player that has this control.

    */

    static CAMMSVolumeControl* NewLC(const TDesC& aControlName,

    CMMAVolumeControl* aVolumeControl,

    CMMAPlayer* aPlayer);

    /**

    * Destructor.

    */

    ~CAMMSVolumeControl();

public: // New functions

    /**

    * Sets the volume..

    *

    * @param aVolume The new volume to be set.

    */

    void SetVolumeL(TInt aVolume);

public: // Functions from base classes

    const TDesC& ClassName() const;

private:

    /**

    * C++ constructor.

    * @param aControlName Class name for this control.

    * @param aVolumeControl Delegated control.

    * @param aPlayer Player that has this control.

    */

    CAMMSVolumeControl(const TDesC& aControlName,

                       CMMAVolumeControl* aVolumeControl,

                       CMMAPlayer* aPlayer);

    /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL();

private:  // Data

    const TDesC& iClassName;

    // Not owned mma volume control.

    CMMAVolumeControl* iVolumeControl;

    // Index in iVolumeControl

    TInt iControlLevelIndex;

};

#endif // CAMMSVOLUMECONTROL_H