videoconnutility/connutility/inc/vcxconnutilextengineobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:14:38 +0200
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    extended engine observer interface for video connection utility internal use*
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*/
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#ifndef __VCXCONNUTILEXTENGINEOBSERVER_H_
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#define __VCXCONNUTILEXTENGINEOBSERVER_H_
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#include <ipvideo/vcxconnutilengineobserver.h>
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/**
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* Interface is being used inside vcxconnectionutility to notify 
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* IAP changes and request for waits
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*/
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class MConnUtilExtEngineObserver : public MConnUtilEngineObserver
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    {
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    public:
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        /**
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         * Method is called, when observable request observer to
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         * put it's current active object to wait until EndWait
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         * for same wait id is called
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         * 
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         * @param aWaitId    wait id 
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         */
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        virtual void WaitL( TUint32 aWaitId ) = 0;
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        /**
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         * Method is called, when observable request observer to
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         * end wait for given id
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         * 
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         * @param aWaitId    wait id 
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         */
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        virtual void EndWait( TUint32 aWaitId ) = 0;
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        /**
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         * Method is called, when observable needs to know wether
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         * this instance is the master instance
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         * 
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         * @return TBool    ETrue is master, EFalse not a master 
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         */
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        virtual TBool IsMaster() = 0;
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    };
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#endif /*VCXCONNUTILEXTENGINEOBSERVER_H_*/