/*

* 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:  Observer interface for video frames.

*

*/

#ifndef MVTENGFRAMEOBSERVER_H

#define MVTENGFRAMEOBSERVER_H

//  INCLUDES

#include <e32def.h>

// FORWARD DECLARATIONS

class CFbsBitmap;

// CLASS DECLARATION

/**

*  Observer interface for video frames.

*

*  @lib videoteleng

*  @since 2.6

*/

class MVtEngFrameObserver

    {

    public:

        enum TFrameType

            {

            ELocalVideoFrame,

            ERemoteVideoFrame

            };

        virtual void vtHandleFrameL( TFrameType aType,

            CFbsBitmap* aBitmap ) = 0;

        /**

        * Sets last drawn frame. This frame will be stored by UI

        * and will be drawn when DSA is temporarily disabled (e.g.

        * when a menu is opened)

        */

        virtual void vtSetFrame( TFrameType aType,

            CFbsBitmap* aBitmap ) = 0;

    };

#endif      // MVTENGFRAMEOBSERVER_H

// End of File