/*

* 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 the License "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:    extended engine observer interface for video connection utility internal use*

*/

#ifndef __VCXCONNUTILEXTENGINEOBSERVER_H_

#define __VCXCONNUTILEXTENGINEOBSERVER_H_

#include <ipvideo/vcxconnutilengineobserver.h>

/**

* Interface is being used inside vcxconnectionutility to notify 

* IAP changes and request for waits

*/

class MConnUtilExtEngineObserver : public MConnUtilEngineObserver

    {

    public:

        /**

         * Method is called, when observable request observer to

         * put it's current active object to wait until EndWait

         * for same wait id is called

         * 

         * @param aWaitId    wait id 

         */

        virtual void WaitL( TUint32 aWaitId ) = 0;

        /**

         * Method is called, when observable request observer to

         * end wait for given id

         * 

         * @param aWaitId    wait id 

         */

        virtual void EndWait( TUint32 aWaitId ) = 0;

        /**

         * Method is called, when observable needs to know wether

         * this instance is the master instance

         * 

         * @return TBool    ETrue is master, EFalse not a master 

         */

        virtual TBool IsMaster() = 0;

    };

#endif /*VCXCONNUTILEXTENGINEOBSERVER_H_*/