/*

* Copyright (c) 2004 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:  Concrete client login status handler.

*

*/

#ifndef __CCNUICLIENTSTATUSHANDLER_H

#define __CCNUICLIENTSTATUSHANDLER_H

//  INCLUDES

#include <E32Base.h>

#include "CCnUiGroupChannel.h"

#include "MCnUiClientStatusHandler.h"

// CLASS DECLARATION

/**

 * Concrete client login status handler.

 * Implements MCnUiClientStatusHandler features

 * using shared data.

 *

 * @since 2.1

 */

NONSHARABLE_CLASS( CCnUiClientStatusHandler ) : public CBase,

        public MCnUiClientStatusHandler,

        public MCnUiGroupChannelListener

    {

public:  // Two-phased constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CCnUiClientStatusHandler* NewLC();

    /**

     * Destructor.

     */

    virtual ~CCnUiClientStatusHandler();

private:

    /**

     * C++ constructor.

     */

    CCnUiClientStatusHandler();

    /**

     * Symbian OS constructor.

     */

    void ConstructL();

public: // New functions from MCnUiClientStatusHandler

    /**

     * From MCnUiClientStatusHandler.

     * See it for details.

     *

     * @since 2.1

     */

    TBool AnyClientLoggedIn();

    /**

     * From MCnUiClientStatusHandler.

     * See it for details.

     *

     * @since 2.1

     */

    TBool ClientLoggedIn( TIMPSConnectionClient aClient );

    /**

     * From MCnUiClientStatusHandler.

     * See it for details.

     *

     * @since 2.1

     */

    void SetNoClientsLoggedInL();

    /**

     * From MCnUiClientStatusHandler.

     * See it for details.

     *

     * @since 2.1

     */

    void SetClientLoggedInL( TIMPSConnectionClient aClient );

    /**

     * From MCnUiClientStatusHandler.

     * See it for details.

     *

     * @since 2.1

     */

    void SetClientLoggedOutL( TIMPSConnectionClient aClient );

    /**

     * From MCnUiClientStatusHandler.

     * See it for details.

     *

     * @since 2.1

     */

    void NotifyClientLoginStatusChangesL( MCnUiClientStatusObserver* aObserver,

                                          TIMPSConnectionClient aClientToNotify );

    /**

     * From MCnUiClientStatusHandler..

     * See it for details.

     *

     * @since 2.1

     */

    void CancelClientStatusNotify();

public: // from MCnUiGroupChannelListener

    void HandleChannelMsg( TInt aGroupId,

                           TGCChannelID aChannelId,

                           TInt aRetMsg );

private: // data

    // Owns: status channel

    CCnUiGroupChannel*            iLoginStastusChannel;

    ///<Observed client, owned

    TIMPSConnectionClient         iObservedClient;

    ///<Client status observer, not owned

    MCnUiClientStatusObserver*    iClntStatusObserver;

    };

#endif      //  __CCNUICLIENTSTATUSHANDLER_H

//  End of File