// 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 CMTPPLAYBACKPARAM_H

#define CMTPPLAYBACKPARAM_H

#include "mtpdebug.h"

/**

 Category identifier

*/

enum TMTPPbCategory

    {

    /** Init value **/

    EMTPPbCatNone=0,

    /** SingleMusic **/

    EMTPPbCatMusic=1,

    /** PlayList**/

    EMTPPbCatPlayList = 2,

    /** Ablum **/

    EMTPPbCatAlbum = 3       

    };

enum TMTPPbDataType

    {

    EMTPPbTypeNone,

    EMTPPbInt32,

    EMTPPbUint32,

    EMTPPbSuidSet,

    EMTPPbVolumeSet,

    EMTPPbTypeEnd

    };

class TMTPPbDataSuid

    {

public:

    TMTPPbDataSuid(TMTPPbCategory aCategory, const TDesC& aSuid);

    TMTPPbCategory Category() const;

    const TDesC& Suid() const;

private:

    //The category

    TMTPPbCategory iPlayCategory;

    //The suid of object for initialization    

    TFileName iSuid;

    };

/**

* Encapsulates parameter for playback commands and events.

*/

class CMTPPbParamBase : public CBase

    {

public:

    virtual const TMTPPbDataSuid& SuidSetL() const;

    virtual TInt32 Int32L() const;

    virtual TUint32 Uint32L() const;

    virtual ~CMTPPbParamBase();

    TMTPPbDataType Type() const;

protected:

    /**

     * The constuctor.

     * @param aCategory, category of object for initialization,

     */

    CMTPPbParamBase();

    CMTPPbParamBase(TInt32 aValue);

    CMTPPbParamBase(TUint32 aValue);

    CMTPPbParamBase(TMTPPbCategory aCategory, const TDesC& aSuid);

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

    void ConstructL(TInt32 aValue);

    void ConstructL(TUint32 aValue);

    void ConstructL(const CMTPPbParamBase& aParam);

    void SetType(TMTPPbDataType);

    TAny* GetData() const;

    void SetData(TAny* aData);

private:

    __FLOG_DECLARATION_MEMBER;

    TMTPPbDataType  iParamType;

    TAny*       iData;

    };

#endif //CMTPPLAYBACKPARAM_H