/*

* 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 Landmark class

 *

*/

// INTERNAL INCLUDES

#include "javax_microedition_location_Landmark.h"

#include "jstringutils.h"

#include "s60commonutils.h"

#include "lapijnicommon.h"

#include "logger.h"

#include "clapilandmark.h"

#include "clapiaddressinfo.h"

#include "locationfunctionserver.h"

using namespace java::location;

LOCAL_C void CreateLandmarkL(TInt* aHandle)

{

    CLAPILandmark::TCtorParams params;

    params.iLandmark = NULL;

    params.iLandmarkStore = NULL;

    CLAPILandmark* landmark = CLAPILandmark::NewLC(params);

    // Add the created object to event source

    TInt handle = reinterpret_cast<TInt>(landmark);

    CleanupStack::Pop(landmark);

    *aHandle = handle;

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _createNativePeer

 * Signature: (I)I

 */

JNIEXPORT jint

JNICALL Java_javax_microedition_location_Landmark__1createNativePeer(

    JNIEnv* /*aJniEnv*/,

    jobject /*aPeer*/,

    jint aEventSourceHandle)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    TInt handle = KErrGeneral;

    TInt error = eventSource->ExecuteTrap(

                     CreateLandmarkL,

                     &handle);

    // Return the handle if it was successfully obtained

    return error == KErrNone ? handle : error;

}

LOCAL_C void LandmarkNameL(JNIEnv* aJniEnv, CLAPILandmark* aLandmark,

                           jstring* aName)

{

    const TDesC& name = aLandmark->NameL();

    *aName = java::util::S60CommonUtils::NativeToJavaString(*aJniEnv, name);

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _getName

 * Signature: (II)Ljava/lang/String;

 */

JNIEXPORT jstring

JNICALL Java_javax_microedition_location_Landmark__1getName(

    JNIEnv* , jobject /*aPeer*/, jint aEventSourceHandle, jint aLandmarkHandle)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    jstring name(NULL);

    TInt error = eventSource->ExecuteTrap(

                     LandmarkNameL,

                     eventSource->getValidJniEnv(),

                     landmark,

                     &name);

    // Null indicates an error. Landmark should always have a name

    return name;

}

LOCAL_C void LandmarkDescriptionL(CLAPILandmark* aLandmark,

                                  const TDesC** aDescription)

{

    *aDescription = aLandmark->DescriptionL();

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _getDescription

 * Signature: (II)Ljava/lang/String;

 */

JNIEXPORT jstring

JNICALL Java_javax_microedition_location_Landmark__1getDescription(

    JNIEnv* aJniEnv,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    const TDesC* description(NULL);

    TInt error = eventSource->ExecuteTrap(

                     LandmarkDescriptionL,

                     landmark,

                     &description);

    jstring javaDescription(NULL);

    // Zero length descriptions are not allowed

    if (description && description->Length()> 0)

    {

        javaDescription = java::util::S60CommonUtils::NativeToJavaString(*aJniEnv, *description);

    }

    // Null indicates an error or that the landmark didn't have a description

    return javaDescription;

}

LOCAL_C void LandmarkCoordinatesL(CLAPILandmark* aLandmark,

                                  const TLocality** aPosition)

{

    *aPosition = aLandmark->CoordinatesL();

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _getCoordinates

 * Signature: (II[D[F)I

 */

JNIEXPORT jint

JNICALL Java_javax_microedition_location_Landmark__1getCoordinates(

    JNIEnv* aJniEnv,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle,

    jdoubleArray aCoordinates,

    jfloatArray aCoordinateInfo)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    const TLocality* position(NULL);

    TInt error = eventSource->ExecuteTrap(

                     LandmarkCoordinatesL,

                     landmark,

                     &position);

    LOG1(EJavaLocation,EInfo, "Java_javax_microedition_location_Landmark__1getCoordinates - error %d", error);

    if (error == KErrNone)

    {

        if (position)

        {

            // The position was successfully received from the landmark. Create

            // position data arrays from the native landmark position

            CreateCoordinateInfos(*aJniEnv, *position, aCoordinates, aCoordinateInfo);

        }

        else

        {

            // Position has not been set to the landmark.

            error = KErrNotFound;

        }

    }

    return error;

}

LOCAL_C void AddressInfosL(JNIEnv* aJniEnv, CLAPILandmark* aLandmark,

                           jobjectArray* aJavaStringArray)

{

    // Read all address information from the landmark

    const CLAPIAddressInfo* info = aLandmark->AddressInfoL();

    if (info && info->ValueCount() > 0)

    {

        RPointerArray<HBufC> values(ELAPINumAddressInfos);

        CleanupResetAndDestroyPushL(values);

        for (TInt i = 1; i <= ELAPINumAddressInfos; i++)

        {

            const TDesC* value = info->Value(i);

            // Null elements indicate an empty address info field

            HBufC* newValue = value ? value->AllocLC() : NULL;

            values.AppendL(newValue);

            // Pop the value if it was added to the cleanup stack

            if (newValue)

            {

                CleanupStack::Pop(newValue);

            }

        }

        // Create a java string array from the address info array

        *aJavaStringArray = CreateJavaStringArray(*aJniEnv, values);

        CleanupStack::PopAndDestroy(&values);

    }

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _getAddressInfo

 * Signature: (II)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray

JNICALL Java_javax_microedition_location_Landmark__1getAddressInfo(

    JNIEnv* ,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    // Ownership of the name array is transferred to Java side

    jobjectArray javaStringArray(NULL);

    TInt error = eventSource->ExecuteTrap(

                     AddressInfosL,

                     eventSource->getValidJniEnv(),

                     landmark,

                     &javaStringArray);

    return javaStringArray; // NULL indicates an error

}

LOCAL_C void SetNameL(CLAPILandmark* aLandmark, const TDesC* aName)

{

    aLandmark->SetNameL(*aName);

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _setName

 * Signature: (IILjava/lang/String;)I

 */

JNIEXPORT jint

JNICALL Java_javax_microedition_location_Landmark__1setName(

    JNIEnv* aJniEnv,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle,

    jstring aName)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    // Convert the description to a native descriptor. NULL is ok

    const JStringUtils name(*aJniEnv, aName);

    const TDesC* nativeName = (aName ? &name : NULL);

    TInt error = eventSource->ExecuteTrap(

                     SetNameL,

                     landmark,

                     nativeName);

    return error;

}

LOCAL_C void SetDescriptionL(CLAPILandmark* aLandmark,

                             const TDesC* aDescription)

{

    aLandmark->SetDescriptionL(aDescription);

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _setDescription

 * Signature: (IILjava/lang/String;)I

 */

JNIEXPORT jint

JNICALL Java_javax_microedition_location_Landmark__1setDescription(

    JNIEnv* aJniEnv,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle,

    jstring aDescription)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    // Convert the description to a native descriptor. NULL is ok

    const JStringUtils description(*aJniEnv, aDescription);

    const TDesC* nativeDesc = (aDescription ? &description : NULL);

    TInt error = eventSource->ExecuteTrap(

                     SetDescriptionL,

                     landmark,

                     nativeDesc);

    LOG1(EJavaLocation,EInfo, "Java_javax_microedition_location_Landmark__1setDescription - error %d", error);

    return error;

}

LOCAL_C void SetCoordinatesL(CLAPILandmark* aLandmark, TLocality* aCoordinates)

{

    aLandmark->SetCoordinatesL(aCoordinates);

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _setCoordinates

 * Signature: (II[D[F)I

 */

JNIEXPORT jint

JNICALL Java_javax_microedition_location_Landmark__1setCoordinates(

    JNIEnv* aJniEnv,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle,

    jdoubleArray aCoordinates,

    jfloatArray aCoordinateInfo)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    TLocality position;

    if (aCoordinates && aCoordinateInfo)

    {

        position = CreatePosition(*aJniEnv,

                                  aCoordinates,

                                  aCoordinateInfo);

    }

    TInt error = eventSource->ExecuteTrap(

                     SetCoordinatesL,

                     landmark,

                     aCoordinates && aCoordinateInfo ? &position : NULL);

    return error;

}

LOCAL_C void SetAddressInfoL(JNIEnv* aJniEnv, CLAPILandmark* aLandmark,

                             jobjectArray* aAddressInfo)

{

    RPointerArray<HBufC> addressInfos = CreateNativeStringArrayL(*aJniEnv,

                                        *aAddressInfo);

    CleanupResetAndDestroyPushL(addressInfos);

    TInt count = addressInfos.Count();

    if (count > 0)

    {

        // Currently, the Java side address info object is handled so that

        // if the value is completely changed, all fields will be reset

        // So if the address info is set from the Java-side, it is expected

        // that it will completely replace the existing one. Works correctly if

        // the existing address info is modified or replaced with a new one

        CLAPIAddressInfo* info = CLAPIAddressInfo::NewLC();

        // Copy the address information from the array

        for (TInt i = 0; i < count; i++)

        {

            // The ownership of the value is NOT transferred to "info"

            info->SetValueL(i + 1, addressInfos[i]);

        }

        aLandmark->SetAddressInfoL(info);

        // The landmark takes the ownership of the address information object

        CleanupStack::Pop(info);

    }

    else

    {

        // Clear the address information from the landmark

        aLandmark->SetAddressInfoL(NULL);

    }

    // The array is not needed anymore

    CleanupStack::PopAndDestroy(&addressInfos);

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _setAddressInfo

 * Signature: (II[Ljava/lang/String;)I

 */

JNIEXPORT jint

JNICALL Java_javax_microedition_location_Landmark__1setAddressInfo(

    JNIEnv* aJniEnv,

    jobject /*aPeer*/,

    jint aEventSourceHandle,

    jint aLandmarkHandle,

    jobjectArray aAddressInfo)

{

    JELOG2(EJavaLocation);

    LocationFunctionServer* eventSource =

        reinterpret_cast< LocationFunctionServer*>(aEventSourceHandle);

    CLAPILandmark* landmark =

        reinterpret_cast< CLAPILandmark*>(aLandmarkHandle);

    // Array must be created within a leave-safe content so it must be

    // passed to the Event Server's thread. A global reference is needed

    jobjectArray arrayRef(NULL);

    if (aAddressInfo)

    {

        // Create a new global reference.

        arrayRef = static_cast< jobjectArray>(

                       aJniEnv->NewGlobalRef(aAddressInfo));

    }

    TInt error = eventSource->ExecuteTrap(

                     SetAddressInfoL,

                     eventSource->getValidJniEnv(),

                     landmark,

                     &arrayRef);

    // Remove the created global reference

    if (arrayRef)

    {

        aJniEnv->DeleteGlobalRef(arrayRef);

    }

    return error;

}

/*

 * Class:     javax_microedition_location_Landmark

 * Method:    _dispose

 * Signature: (II)V

 */

JNIEXPORT void

JNICALL Java_javax_microedition_location_Landmark__1dispose(

    JNIEnv* /*aJniEnv*/,

    jobject /*aPeer*/,

    jint /*aEventSourceHandle*/,

    jint aLandmarkHandle)

{

    JELOG2(EJavaLocation);

    CBase* object = reinterpret_cast< CBase*>(aLandmarkHandle);

    delete object;

}

// End of file