/*

* Copyright (c) 2008-2008 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:  Updates call information to mediator clients.

*

*/

#ifndef CCCECALLINFOMEDIATORUPDATER_H

#define CCCECALLINFOMEDIATORUPDATER_H

#include <e32base.h>

#include <MediatorCommandResponder.h>

class MCCECallInfoMediator;

class MCCECallArray;

class CCCECallInfoConverter;

class MCCECallInfo;

class CCallInfos;

/**

 *  Updates call information for mediator clients.

 *

 *  @lib cce.lib

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CCCECallInfoMediatorUpdater ) : 

    public CBase, public MMediatorCommandObserver

    {

public:

    static CCCECallInfoMediatorUpdater* NewL( 

        MCCECallInfoMediator& aMediator,

        MCCECallArray& aCallArray,

        CCCECallInfoConverter* aConverter );

    static CCCECallInfoMediatorUpdater* NewLC( 

        MCCECallInfoMediator& aMediator,

        MCCECallArray& aCallArray,

        CCCECallInfoConverter* aConverter );

    /**

     * Destructor.

     */

    virtual ~CCCECallInfoMediatorUpdater();

    /**

     * Updates the current cce call information to mediator clietns.

     * 

     * @since S60 5.0

     */

    void UpdateL();

    /**

     * From base class MMediatorCommandObserver

     * @see MMediatorCommandObserver

     */

    void MediatorCommandL( TUid aDomain,

                           TUid aCategory, 

                           TInt aCommandId,

                           TVersion aVersion, 

                           const TDesC8& aData );

    /**

     * From base class MMediatorCommandObserver

     * @see MMediatorCommandObserver

     */

    void CancelMediatorCommand( TUid aDomain,

                                TUid aCategory, 

                                TInt aCommandId );

private:

    CCCECallInfoMediatorUpdater( 

        MCCECallInfoMediator& aMediator,

        MCCECallArray& aCallArray,

        CCCECallInfoConverter* aConverter );

    void ConstructL();

    HBufC8* GetSnapShotOfCallInfosL();

    void AddInfoL( MCCECallInfo* aInfo, CCallInfos& aInfos );

private: // data

    /**

     * To send response and events.

     */

    MCCECallInfoMediator& iMediator;

    /**

     * Access to calls.

     */

    MCCECallArray& iCallArray;

    /**

     * For converting cce call info to mediator call info.

     * Own.

     */

    CCCECallInfoConverter* iConverter;

    };

#endif // CCCECALLINFOMEDIATORUPDATER_H