/*

* Copyright (c) 2008 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:  JNI implementation of Coordinates class

 *

*/

// INTERNAL INCLUDES

#include "javax_microedition_location_Coordinates.h"

#include <lbsposition.h>

#include "logger.h"

LOCAL_C void CalculateBearingToL(TCoordinate* aSrc, TCoordinate* aDest,

                                 TReal32* aBearing)

{

    TReal32 bearing;

    User::LeaveIfError(aSrc->BearingTo(*aDest, bearing));

    *aBearing = bearing;

}

/*

 * Class:     javax_microedition_location_Coordinates

 * Method:    _azimuthTo

 * Signature: (IDDDD)F

 */

JNIEXPORT jfloat JNICALL Java_javax_microedition_location_Coordinates__1azimuthTo(

    JNIEnv* /*aJniEnv*/,

    jobject /*aPeer*/,

    jdouble aSrcLatitude,

    jdouble aSrcLongitude,

    jdouble aDestLatitude,

    jdouble aDestLongitude)

{

    JELOG2(EJavaLocation);

    TReal32 azimuth = 0.0f;

    TCoordinate src(aSrcLatitude, aSrcLongitude);

    TCoordinate dest(aDestLatitude, aDestLongitude);

    TRAPD(error, CalculateBearingToL(

              &src,

              &dest,

              &azimuth));

    if (error != KErrNone)

    {

        ELOG1(EJavaLocation,

              "Java_javax_microedition_location_Coordinates__1azimuthTo - error %d", error);

    }

    return azimuth;

}

LOCAL_C void CalculateDistanceL(TCoordinate* aSrc, TCoordinate* aDest,

                                TReal32* aDistance)

{

    TReal32 distance;

    User::LeaveIfError(aSrc->Distance(*aDest, distance));

    *aDistance = distance;

}

/*

 * Class:     javax_microedition_location_Coordinates

 * Method:    _distance

 * Signature: (IDDDD)F

 */

JNIEXPORT jfloat JNICALL Java_javax_microedition_location_Coordinates__1distance(

    JNIEnv* /*aJniEnv*/,

    jobject /*aPeer*/,

    jdouble aSrcLatitude,

    jdouble aSrcLongitude,

    jdouble aDestLatitude,

    jdouble aDestLongitude)

{

    JELOG2(EJavaLocation);

    TReal32 distance = -1.0f;

    TCoordinate src(aSrcLatitude, aSrcLongitude);

    TCoordinate dest(aDestLatitude, aDestLongitude);

    //   TInt error = src->Distance( *dest,distance);

    TRAPD(error, CalculateDistanceL(

              &src,

              &dest,

              &distance));

    if (error != KErrNone)

    {

        ELOG1(EJavaLocation,

              "Java_javax_microedition_location_Coordinates__1distance - error %d", error);

    }

    return distance;

}

// End of file