/*

* Copyright (c) 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:  It is observer class to handle lbt operations

*

*/

#ifndef EVTMGMTUILBTOBSERVER_H_

#define EVTMGMTUILBTOBSERVER_H_

#include <e32base.h>        // CBase

#include <lbtcommon.h>

class MEvtMgmtUiLbtObserver

    {

public:

    /*

     *  Type of Trigger Change

     */

    enum TLbtTriggerChangeType

        {

        /*

         * If multiple triggers are modified

         */

        ETriggerMultipleModified,

        /*

         * If a trigger is modified

         */

        ETriggerModified,

        /*

         * If a trigger is deleted

         */

        ETriggerDeleted

        };

public:

    /**

     * It will be used to notify observer that the trigger which is

     * owned by EventsUi has been modified outside, either by Manger Ui

     * or Event Handler

     * @param aTriggerId trigger id of newly created trigger

     * @param aType It will contain type of trigger change              

     */

    virtual void NotifyTriggerChangeL( const TLbtTriggerId &  aTriggerId,

    											TLbtTriggerChangeType aType )=0;

    /**

     * It will be used to notify observer that lbt operation

     * has be completed

     * @param aTriggerId trigger id of newly created trigger

     * @param aState It will contain the the operation type              

     */

    virtual void NotifyLbtChangeL(TLbtTriggerId &  aTriggerId,TInt aState )=0;

    /**

     * It will be used to notify observer that lbt operation

     * has be failed

     * @param aState It will contain the the operation type

     * @param aErrorCode It will contain the status of the operation

     *                KErrNone if successful otherwise error status code          

     */

    virtual void NotifyLbtError(TInt aErrorCode, TInt aState )=0;

    };

#endif //EVTMGMTUILBTOBSERVER_H_