/*

 * Copyright (c) 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:  location triggering server client library

 *

 */

 #ifndef LBTTRIGGERCHANGEEVENTOBSERVER_H

 #define LBTTRIGGERCHANGEEVENTOBSERVER_H

 #include <lbttriggerchangeevent.h>

 /**

  * The class defines the interface for receiving 

  * trigger change event.

  *

  * This interface is used together with class 

  * CLbtTriggerChangeEventNotifier.

  *

  * @lib lbt.lib

  *

  * @since S60 5.1

  */

 class MLbtTriggerChangeEventObserver

     {

 public:

     /**

      * This function is called when one or more triggers

      * are changed.

      *

      * Note, the leave of this function is trapped and 

      * ignored in class CLbtTriggerChangeEventNotifier. 

      * 

      * @param[out] aEvent Will contain the information when 

      * a trigger change event occurs.

      */

     virtual void TriggerChangedL(

         const TLbtTriggerChangeEvent& aEvent) = 0;

     };

 #endif //LBTTRIGGERCHANGEEVENTOBSERVER_H