/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

#ifndef GPSOBSERVER_H

#define GPSOBSERVER_H

// INCLUDES

#include <e32base.h>

#include <e32property.h>

#include <npscript.h>

#include <lbs.h>

// FORWARD DECLARATIONS

class CGpsPlugin;

// CONSTANTS

// State enum and member variable

// CLASS DECLARATIONS

/**

*  CGpsObserver.

*  Controller class for handling browser widget requests

*  @lib npGpsPlugin.lib

*  @since S60 v3.2

*/

NONSHARABLE_CLASS(CGpsObserver) : public CActive

    {

    public:

        /**

        * C++ default constructor.

        */

        static CGpsObserver* NewL( CGpsPlugin* aPlugin );

        /**

        * Destructor.

        */

        virtual ~CGpsObserver();

    public:

        /**

          * Request network status change notification.

          * @since 3.2

          * @param name of the callback

          * @return void

          */

        void RequestNotificationL( const NPString& aEvent );

        /*

         * Gets latitude

         * @since 3.2

         * @return latitude

         */

        TReal Latitude() const;

        /*

         * Gets longitude.

         * @since 3.2

         * @return longitude

         */

        TReal Longitude() const;

        /*

         * Gets altitude

         * @since 3.2

         * @return altitude

         */

        TReal Altitude() const;

        /*

         * Gets horizontal accuracy

         * @since 3.2

         * @return horizontal accuracy

         */

        TReal HorizontalAccuracy() const;

        /*

         * Gets vertical accuracy

         * @since 3.2

         * @return vertical accuracy

         */

        TReal VerticalAccuracy() const;

        /*

         * Gets tick count for the current sample

         * @since 3.2

         * @return

         */

        TInt TickCount() const;

    protected:    // CActive

        /**

        * Implements cancellation of an outstanding request.

        * @param none

        * @return void

        */

        void DoCancel();

        /**

        * Handles an active object’s request completion event.

        * @param none

        * @return void

        */

        void RunL();

        /**

        * Handles an active object’s error

        * @param error

        * @return void

        */

        TInt RunError(TInt aError);

    protected:

        /**

        * C++ default constructor.

        */

        CGpsObserver(CGpsPlugin* aPlugin);

        /**

        * C++ default constructor.

        */

        void ConstructL();

    protected:

        CGpsPlugin* iGpsPlugin;

        RPositionServer iServer;

        RPositioner iPositioner;

        TPositionInfo iPositionInfo;

        TPosition iPosition;

        TInt iTickCount;

        HBufC8* iEventHandler;

    };

#endif      // GPSOBSERVER_H

// End of File