/*

* Copyright (c) 2010 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: Maptile interface header implementation.

*

*/

#ifndef __MAPTILEINTERFACE_H__

#define __MAPTIlEINTERFACE_H__

#include <e32std.h> 

#include <e32base.h>

// Header for landmarks db

#include<EPos_CPosLandmarkDatabase.h>

#include <maptilegeocoderplugin.h>

/**

 * MMapTileObserver class.

 * Observer class for notifying the maptile related events 

 *

 */

class MMapTileObserver

    {

public:   

   /** Informs once maptile is retrived from the REST server

    * 

    * @param[in] aErrCode Error code

    * @param[in] aMapTilePath Path where the maptile image staroed

    * 

    */    

    virtual void MapTilefetchingCompleted( TInt aErrCode,const TDesC& aMapTilePath ) = 0;

    /** Informs once geo coordinates  retrived from the REST server

    * 

    * @param[in] aErrCode Error code

    * @param[in] aMapTilePath Path where the maptile image staroed

    * 

    */    

    virtual void GeoCodefetchingCompleted( TInt aErrCode, const TReal& aLatitude,

	                const TReal& aLongitude, const TDesC& aMapTilePath ) = 0;

    };

/** 

 * Class used for interacting with maptile and geocoder components .

 * This class raises the request for geocoding service and maptile

 * fetching service.

 */

class CMapTileInterface : public CBase, MMaptileGeocoderObserver

{

public:

   /**

    * Factory method

    */

    static CMapTileInterface* NewL(); 

    /**

     * Interface for requesting GEO fields a landmark object containing address

     * 

     * @param[in] aLandmark Landmark containing address details

     * @param[in] aFilePath Path where the maptile image to be stored

     * @param[in] aObserver Observer for callback notification

     * 

     */

    void GetGeoCodeFromAddressL(  CPosLandmark*  aLandmark , 

            const TDesC& aFilePath, MMapTileObserver* aObserver  );

    /**

     * Interface for requesting GEO fields for the address

     * 

     * @param[in] aAddressDetails containing address details

     * @param[in] aFilePath Path where the maptile image to be stored

     * @param[in] aObserver Observer for callback notification

     */

    void GetGeoCodeFromAddressL(const TDesC& aAddressDetails,

            const TDesC& aFilePath, MMapTileObserver* aObserver);

    /**

     * Interface for requesting  for a landmark object.

     * @return CPosLandmark object.

     */

    CPosLandmark* GetLandMarkDetails();

    /**

     * Constructor

     */

    CMapTileInterface();

    /**

     * Destructor

     */

    ~CMapTileInterface();

    /**

     * Function for Retrieving maptile     

     */

    void GetMapTileL( const TReal& aLatitude, const TReal& aLongitude );    

#ifdef MYLOCATIONENGINE_UNIT_TEST

public:

#else

private:

#endif

	/**

	 * Converts geocoordinates to maptile pixel coordinate and update the 

	 * image saving file path to MaptileFolder\RowCol.png

	 */	

	void UpdateFilePathL( const TReal& aLatitude, const TReal& aLongitude );

    /**

     * Interface for requesting  for a landmark object.

     * @param[in] aAddressInfo , geo-code address details

     */

    void SetLandMarkDetailsL(MAddressInfo& aAddressInfo);

#ifdef MYLOCATIONENGINE_UNIT_TEST

public:

#else

protected:

#endif

    /**

     * Derived from MMaptileGeocoderObserver

     */

    void GeocodingCompleted( TInt aErrorcode, MAddressInfo& aAddressInfo );

    /**

     * Derived from MMaptileGeocoderObserver

     */

    void MapTileFetchingCompleted( TInt aErrorcode, const TDesC& aMapImagePath );

#ifdef MYLOCATIONENGINE_UNIT_TEST

public:

#else

private:

#endif

    /**

     * Two phase construction

     */

    void ConstructL();

#ifdef MYLOCATIONENGINE_UNIT_TEST

public:

#else

private:

#endif

    //MaptileGeocode plugin interface instance

    CMaptileGeocoderPlugin* iMaptileGeocoder;

    //Flag to check street availability

    TBool iStreetAvailable;

    //Maptile image path

	HBufC* iFilePath;

	//Maptile observer

	MMapTileObserver* iObserver ;

	//pointer to landmark  from address information.

	CPosLandmark  *iLandmark;

    };

#endif // MAPTILEINTERFACE_H