/*

* Copyright (c) 2006 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:  Handler utili

*                

*

*/

#ifndef TVTENGOPERATIONUTILS

#define TVTENGOPERATIONUTILS

//  INCLUDES

#include <e32std.h>

#include "vtengcommands.h"

// FORWARD DECLARATIONS

class CVtEngHandlerContainer;

class CVtEngOperation;

// CLASS DECLARATION

/**

*  Handles rendering operation

* 

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngRenderUtil

    {

    public:

        static void HandleL( 

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );

        static void Cancel(             

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );        

    };

/**

*  Handles audio routing operation.

*

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngAudioRoutingUtil

    {

    public:

        /**

        * 

        * @param aOperation operation

        */

        static void HandleL( 

            CVtEngOperation& aOperation );

    };

/**

*  Handles audio playback operation.

*

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngAudioPlaybackUtil

    {

    public:

        static void HandleL( 

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );

    };

/**

*  Handles media transport operation like pausing/resuming.

*

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngMediaTransportUtil

    {

    public:

        static void HandleL( 

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );

    };

/**

*  

*

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngViewFinderConfigureUtil

    {

    public:

        static void HandleL( 

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );

    };

/**

*  

*

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngCameraConfigUtil

    {

    public:

        static void HandleL( 

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );

    };

/**

*  Handles engine initialization.

*

*  @lib videoteleng

*  @since 2.6

*/

class TVtEngEngineInitUtil

    {

    public:

        static void HandleL( 

            CVtEngOperation& aOperation,

            CVtEngHandlerContainer& aHandlers );

        static void Cancel( CVtEngOperation& aOperation );

    };

/**

*  Handles extension operations.

*

*  @lib videoteleng

*  @since S60 v3.2

*/

class TVtEngExtensionUtil

    {

    public:

        /**

        * Handles extension operations

        * @param aOperation operation

        */

        static void HandleL( 

            CVtEngOperation& aOperation );

    };

#endif      // TVTENGOPERATIONUTILS

// End of File