/*
* 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: CMnrpGeocodingService class definition
*
*/
#ifndef MNRP_GEOCODINGSERVICE_H
#define MNRP_GEOCODINGSERVICE_H
#include "mngeocodingservicebase.h"
class CPosLandmark;
class CMnrpEngine;
/** Implementation of geocoding service (KMnAppGeocodingService).
* It uses CIdle to simulate asynchronous processing. All the geocoding
* job is done using the CMnrpEngine class.
*/
class CMnrpGeocodingService : public CMnGeocodingServiceBase
{
public :
static CMnrpGeocodingService* NewL( CMnrpEngine& aEngine );
protected :
CMnrpGeocodingService( CMnrpEngine& aEngine );
virtual ~CMnrpGeocodingService();
void ConstructL();
/** Prevents parallel asynchronous requests */
void LeaveIfBusyL();
/** Starts processing of new request by starting CIdle.*/
void StartProcessingL();
/** Callback for CIdle. Parameter is the pointer to this. */
static TInt GeocodingProcessingCallBack( TAny* aPtr );
/** Non-leaving part of geocoding. Calls FinishProcessingL and if
* it leaves, completes client's request with error.*/
void HandleGeocodingCompleted();
/** Does the geocoding and completes user's request.*/
void FinishProcessingL();
/** Asks user to select one of best Coord to Addr matches */
CPosLandmark* LetUserSelectBestMatchL( const CPosLandmark& aReference );
protected: // from CMnGeocodingServiceBase
/** Handles client's request for finding address by given coordinate. */
void HandleFindAddressByCoordinateL( const CPosLandmark& aLandmark );
/** Handles client's request for finding coordinate by given address. */
void HandleFindCoordinateByAddressL( const CPosLandmark& aLandmark );
/** Handles client's request for finding coordinate by given address. */
void HandleFindCoordinateByAddressL( const TDesC& aAddress );
protected: // from CMnServiceBase
/** Reports that client cancelled request */
void DoCancel();
private:
CMnrpEngine& iEngine;
enum TServiceType
{
ENone,
ECoordToAddr,
EAddrToCoord,
EPlainToCoord
};
/** Type of last received request to make correct request to Engine */
TServiceType iCurrentService;
/** Keeps client's data */
CPosLandmark* iLandmark;
/** Keeps client's data */
HBufC* iPlainAddress;
/** Keeps client's option */
TBool iDialogAllowed;
/** Asynchronous geocoding processor */
CIdle* iProcessor;
};
#endif // MNRP_GEOCODINGSERVICE_H