// 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 CMTPPLAYBACKCOMMANDCHECKER_H_

#define CMTPPLAYBACKCOMMANDCHECKER_H_

#include "cmtpplaybackcommand.h"

class CMTPPlaybackControlImpl;

NONSHARABLE_CLASS( CMTPPlaybackCommandChecker ) : public CBase

    {

public: // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CMTPPlaybackCommandChecker* NewL( CMTPPlaybackControlImpl& aControlImpl );

    /**

     * Destructor.

     */

    virtual ~CMTPPlaybackCommandChecker();

public:

    /**

    * Check playback command context

    */

    void CheckPlaybackCommandContextL( TMTPPlaybackCommand aMTPPBCommand );

    /**

     *Check and update playback param

    */

    void CheckAndUpdatePlaybackParamL( CMTPPlaybackCommand& aMTPPPBSourceCmd, CMTPPbCmdParam** aMTPPPBTargetParam );

private:

    /**

     * C++ default constructor.

     */

    CMTPPlaybackCommandChecker( CMTPPlaybackControlImpl& aControlImpl );

private:

    /**

     * Return instance of CMTPPlaybackControlImpl.

     */

    CMTPPlaybackControlImpl& MTPPlaybackControlImpl();

private:

    /**

    The handle of the owner

    */

    CMTPPlaybackControlImpl&     iMTPPlaybackControl;

    };

#endif /* CMTPPLAYBACKCOMMANDCHECKER_H_ */