/*

* Copyright (c) 2006-2009 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:  Implementaion class for the CReverseGeocode class.

*/

#ifndef _INTERNALREVERSEGEOCODE_H_

#define _INTERNALREVERSEGEOCODE_H_

#include <coemain.h>

#include "reversegeocode.h"

#include "xmlhandler.h"

#include "clientengine.h"

#include "connectiontimerhandler.h"

/*

 * Internal implementation class for the CReverseGeocode class.

 */

NONSHARABLE_CLASS( CInternalReverseGeocode ) : public CReverseGeocode, 

                    public MClientObserver, 

                    public MXmlHandlerObserver,

                    public MConnectionTimeoutHandlerInterface

    {

public:

    /**

        * Factory function to create the instance

        * @param aObserver The observer instance that is to be notified when reverse geocoding is over

        * @return A pointer to the CInternalReverseGeocode instance

        */

    static CInternalReverseGeocode* NewL( MReverseGeocodeObserver& aObserver );

    /**

        * Gets the address for the given geo-coordinaates.

        * @param aLocality  The locality information

        *		   aOption    The connection option whether 	its silent or not

        */			

    virtual void GetAddressByCoordinateL( TLocality aLocality, const TConnectionOption aOption );

    /**

        * Checks if a silent connection is allowed

        * @return ETrue If silentconnection is allowed

        */	

    virtual TBool SilentConnectionAllowed();

    /**

        * Helper function to get the appropriate language for the request.

        * @param aLanguage  The language for the request 

        */    

    void GetLanguageForTheRequest( TDes8& aLanguage );

    /**

        * destructor

        *

        */	

    ~CInternalReverseGeocode();

    // MConnectionTimeoutHandlerInterface

    /**

        * Closes the connection once it times out

        * @param aErrorCode The Error code

        */    

    void HandleTimedoutEvent(TInt aErrorCode);

protected:

    /**

        * Second phase construction

        */    

    void ConstructL();

    /**

        * First phase construction.

        * @param aObserver The observer instance that is to be notified when reverse geocoding is over

        */    

    CInternalReverseGeocode( MReverseGeocodeObserver& aObserver );

    //From MClientObserver

    /**

        * callback which notifies progess of HTTP request

        * @param aEvent The Httpstatus

        */    

    void ClientEvent( const THttpStatus& aEvent );

    /**

        * callback through which the HTTP body data is recieved. 

        * @param aBodyData The body recieved

        */	

    void ClientBodyReceived(const TDesC8& aBodyData);

    /*

    * Get registrer network country code

    *

    * @return current register n/w info

    */

    RMobilePhone::TMobilePhoneNetworkInfoV2& GetCurrentRegisterNw();

    //From MXmlHandlerObserver    

    /**

        * callback which notifys the completion of parsing.

        * @param aError The err code

        * 		   aAddressInfo The address info obtained after parsing

        */    

    void OnParseCompletedL( TInt aError, MAddressInfo& aAddressInfo ); 

    /*

    * UE is registered to home network?

    *

    * @return ETrue if UE is registered at home network else EFalse

    */

    TBool IsRegisteredAtHomeNetwork();

    /*

    * Get home network country code

    * @param aHomeNwInfoAvailableFlag ETrue if home n/w info available else EFalse

    * @return user home n/w info

    */

    const RMobilePhone::TMobilePhoneNetworkInfoV1& 

        GetHomeNetworkInfo(TBool& aHomeNwInfoAvailableFlag);

private:

    /**

        * Starts the timer

        */		

    void StartTimer();

    /**

        * Closes the http connection and notifies the observer

        */	

    void CloseConnection();

private:

    CXmlHandler *iXmlHandler;

    CClientEngine *iClientEngine;

    CInternalAddressInfo *iAddressInfo;

    HBufC8* iXMLBuf;

    MReverseGeocodeObserver& iObserver;

    CConnectionTimerHandler*      iTimer;

	// Optimize the buffer len..??

    TBuf8<KMaxFileName> iQueryString;

    TBuf8<KMaxFileName> iAuthCode;

    TBuf8<KMaxFileName> iRefURL;

    TBuf8<KMaxFileName> iLang;

    TBool iStartTimerFlag;

};

#endif //_INTERNALREVERSEGEOCODE_H_

// End of file