/*

* Copyright (c) 2004-2005 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:  

*     See class description below

*

*/

#ifndef __LANDMARKS_OPERATION_OBSERVER_H__

#define __LANDMARKS_OPERATION_OBSERVER_H__

// INCLUDES

#include <e32base.h>

// CONSTANTS

const TInt KOperationReady = 100;

const TInt KOperationNotReady = 0;

// DATA TYPES

/**

* TOperation indicates which operation type has been processed

*/

enum TOperation

    {

    ENoOperation,

    EInitializeDb,

    ELandmarkSearch,

    ECategorySearch,

    ELandmarkRead,

    ECategoryRead,

    EAcquiringLocation

    };

// CLASS DECLARATION

/**

*  An observer interface used for notifying the execution progress of 

*  asynchronous opearations. 

*  Typically used by objects deriving from other classes than CActive.

*/

class MLandmarksOperationObserver

    {

    public: // New functions

        /**

        * NotifyOperationProgressL notifies the progress and status of an

        * asynchronous operation.

        *  

        * @param aOperation the type of operation that is reported.

        * @param aProgress the progress of the operation.

        * @param aErrorCode the status of the operation.

        */

        virtual void NotifyOperationProgressL(

            TOperation aOperation, 

            TInt aProgress, 

            TInt aErrorCode) = 0;

    };

#endif // __LANDMARKS_OPERATION_OBSERVER_H__

// End of File