/*

* Copyright (c) 2006-2006 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:  Client-server preset notifier

*

*/

#ifndef R_RPSPRESETNOTIFIER_H

#define R_RPSPRESETNOTIFIER_H

#include <pscommon.h>

#include <pspresetobserver.h>

class RPSServ;

/**

 * Client-server preset notifier.

 */

class RPSServNotifier

    {

public:

    /**

     * Constructor.

     *

     * @param   aServer     Session with the preset server.

     * @param   aId         The ID of the preset to observe, or <code>KErrNotFound</code>

     *                      if all changes should result in a notification.

     */    

    RPSServNotifier( RPSServ& aServer, TInt aId );

    /**

     * Closes all resources allocated.

     */    

    void Close();

    /**

     * Request a notify when the preset with the supplied identifier is changed.

     *

     * @param   aStatus         The request status to signal when the preset is changed.

     */    

    void Notify( TRequestStatus& aStatus );

    /**

     * Cancels the pending notify request.

     */    

    void CancelNotify();

    /**

     * Returns the id of the preset.

     *

     * @return  Id of the preset.

     */

    TInt Id() const;

    /**

     * Returns the data handler of the preset.

     *

     * @return  Data handler of the preset.

     */

    TUid DataHandler() const;

    /**

     * Returns the reason of the change.

     *

     * @return  Reason of the change.

     */

    MPSPresetObserver::TPSReason Reason() const;    

private:

    /** The preset server. */

    RPSServ& iServer;

    /** Packaged data of the latest notify. */

    TPckgBuf<TPSNotifyDataPackage> iData;

    /** The ID of the preset to observe, or <code>KErrNotFound</code> if all changes should result in a notification. */

    TInt iId;

    };

#endif // R_RPSPRESETNOTIFIER_H