author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:44:11 +0300 | |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Declaration of Geo coding interface class. |
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* |
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*/ |
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#ifndef POSREVERSEGEOCODEINTERFACE_H |
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#define POSREVERSEGEOCODEINTERFACE_H |
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#include <e32base.h> |
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#include <EPos_CPosLandmark.h> |
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/* |
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* Observer class which exposes callbacks to notify the completion of reversegeocoding event. |
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* |
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**/ |
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class MPosReverseGeocodeObserver |
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{ |
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public: |
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/* |
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* Callback function which notifys the completion of reverse geocode event. This signals the completion |
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* of the asynchronous function CReverseGeoCode::GetAddressByCoordinate. |
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* |
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* @param aErrorcode Error status KErrNone in case of success or other system specific errorcodes |
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* in case of failures. |
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*/ |
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virtual void ReverseGeocodeComplete( TInt aErrorcode ) =0; |
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}; |
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/* |
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* CReverseGeocode |
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* Concrete class which exposes interfaces to convert the geo-coordinates information |
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* in to the address information. |
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* |
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**/ |
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class CPosReverseGeocodeInterface : public CBase |
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{ |
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public: |
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/* |
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* Factory function to create the instance of CReverseGeocode Class. This also registers |
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* observer for getting the reverse geocode completion notifications. |
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* |
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* @param[in] aObserver refrence to the instance MReverseGeocodeObserver's |
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* implementation class. |
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* @return pointer to the instance of CReverseGeocode. |
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*/ |
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IMPORT_C static CPosReverseGeocodeInterface* NewL( MPosReverseGeocodeObserver& aObserver ); |
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/** |
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* Unloads the plugin. |
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*/ |
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IMPORT_C virtual ~CPosReverseGeocodeInterface(); |
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/* |
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* Gets the address information for the given geo coordinates. This is an asynchronous function |
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* Whose completion will be notified by the MReverseGeocodeObserver::ReverseGeocodeComplete callback. |
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* |
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* @param aLandmark[in] Landmarks object in which address information is expected. |
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* |
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*/ |
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IMPORT_C virtual void GetAddressByCoordinateL( CPosLandmark& aLandmark ) = 0; |
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/** |
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* Cancels the current operation. |
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*/ |
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IMPORT_C virtual void Cancel() = 0; |
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private: |
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/** |
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* Instance identifier key |
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*/ |
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TUid iDtor_ID_Key; |
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}; |
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#endif //POSREVERSEGEOCODEINTERFACE_H |