// Copyright (c) 2010 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:

//

/**

 @file

 @internalComponent

*/

#ifndef CMTPPLAYBACKCOMMAND_H

#define CMTPPLAYBACKCOMMAND_H

#include "mmtpplaybackinterface.h"

#include "cmtpplaybackparam.h"

class TMTPPbDataVolume

    {

public:

    TMTPPbDataVolume(TUint32 aMax, TUint32 aMin, TUint32 aDefault, TUint32 aCurrent, TUint32 aStep);

    TMTPPbDataVolume(const TMTPPbDataVolume& aVol);

    void SetVolume(TUint32 aMax, TUint32 aMin, TUint32 aDefault, TUint32 aCurrent, TUint32 aStep);

    void operator =(const TMTPPbDataVolume& aVol);

    TUint32 MaxVolume() const;

    TUint32 MinVolume() const;

    TUint32 DefaultVolume() const;

    TUint32 CurrentVolume() const;

    TUint32 Step() const;

private:

    TUint32 iMaxVolume;

    TUint32 iMinVolume;

    TUint32 iDefaultVolume;

    TUint32 iCurrentVolume;

    TUint32 iStep;

    };

/**

* Encapsulates parameter for command EPlaybackCmdInitObject

*/

class CMTPPbCmdParam : public CMTPPbParamBase

    {

public:

    static CMTPPbCmdParam* NewL(TMTPPbCategory aCategory, const TDesC& aSuid);

    static CMTPPbCmdParam* NewL(TInt32 aValue);

    static CMTPPbCmdParam* NewL(TUint32 aValue);

    static CMTPPbCmdParam* NewL(const CMTPPbCmdParam& aParam);

    static CMTPPbCmdParam* NewL(const TMTPPbDataVolume& aVolume);

    ~CMTPPbCmdParam();

public:

    const TMTPPbDataVolume& VolumeSetL() const;

private:

    /**

     * The constuctor.

     * @param aCategory, category of object for initialization,

     */

    CMTPPbCmdParam();

    CMTPPbCmdParam(TMTPPbCategory aCategory, const TDesC& aSuid);

    CMTPPbCmdParam(TInt32 aValue);

    CMTPPbCmdParam(TUint32 aValue);

    CMTPPbCmdParam(const TMTPPbDataVolume& aVolume);

    void ConstructL(TMTPPbCategory aCategory, const TDesC& aSuid);

    void ConstructL(TInt32 aValue);

    void ConstructL(TUint32 aValue);

    void ConstructL(const TMTPPbDataVolume& aVolume);

    void ConstructL(const CMTPPbCmdParam& aParam);

    };

/** 

Implements the CMTPPlaybackCommand.

@internalComponent

*/

class CMTPPlaybackCommand : public CBase

    {

public:

    static CMTPPlaybackCommand* NewL(TMTPPlaybackCommand aCmd, CMTPPbCmdParam* aParam);

    static CMTPPlaybackCommand* NewL(const CMTPPlaybackCommand& aCmd);

    void SetParam(CMTPPbCmdParam* aParam);

    const CMTPPbCmdParam& ParamL() const;

    TMTPPlaybackCommand PlaybackCommand() const;

    TBool HasParam() const;

    ~CMTPPlaybackCommand();

private:

    CMTPPlaybackCommand(TMTPPlaybackCommand aCmd, CMTPPbCmdParam* aParam);

    void ConstructL(const CMTPPlaybackCommand& aParam);

    void ConstructL();

private: // Owned.

    const TMTPPlaybackCommand iPbCmd;

    CMTPPbCmdParam* iParam;

    };

#endif //CMTPPLAYBACKCOMMAND_H