/*

 * Name        : POIProvider.h

 * Description : ECOM interface definition

 * Project     : This file is part of OpenMAR, an Open Mobile Augmented Reality browser

 * Website     : http://OpenMAR.org

 *

 * Copyright (c) 2010 David Caabeiro

 *

 * All rights reserved. This program and the accompanying materials are made available 

 * under the terms of the Eclipse Public License v1.0 which accompanies this 

 * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html

 *

 */

#ifndef POIPROVIDER_H_

#define POIPROVIDER_H_

#include "InterfaceUid.hrh"

#include <ecom/ecom.h>

#include <LbsPosition.h>

namespace OpenMAR {

class CPOIProvider;

class CPOIObject;

/**

 * @brief POI provider notifier

 */

class MPOIProviderObserver

{

public:

    virtual void POIProviderLoadedL(CPOIProvider* aProvider, TInt aError) = 0;

    virtual void POIObjectCreatedL(CPOIObject* aPOIObject) = 0;

    virtual void POIObjectUpdatedL(CPOIObject* aPOIObject) = 0;

};

/**

 * @brief POI provider interface definition

 * 

 * Retrieves geolocated points of interest from a local or remote resource, 

 * creating corresponding CPosLandmark objects

 */

class CPOIProvider : public CBase

{

public:

    static CPOIProvider* NewL(const TDesC8& aMatch, const TDesC8& aProviderUri);

    static CPOIProvider* NewL(const TUid aImplementationUid, const TDesC8& aProviderUri);

    ~CPOIProvider();

    void SetObserver(MPOIProviderObserver* aObserver);

    virtual void RetrieveL(const TCoordinate& aCoordinate, TReal32 aRadius) = 0;

protected:

    MPOIProviderObserver* iObserver;

private:

    TUid iDtor_ID_Key;

};

#include "POIProvider.inl"

}

#endif  // POIPROVIDER_H_