/*

* 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:  Handles position request from LocationListener

 *

*/

#ifndef CTRACKINGPOSITIONER_H

#define CTRACKINGPOSITIONER_H

//  INCLUDES

#include "cpositionerbase.h"

#include "locationfunctionserver.h"

#include <jni.h>

namespace java

{

namespace location

{

//  FORWARD DECLARATIONS

class CTimeoutTimer;

// CLASS DECLARATION

/**

 *  Handles position requests with LocationListener.

 */

class CTrackingPositioner: public CPositionerBase

{

public:

    // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CTrackingPositioner* NewL(LocationFunctionServer* aFunctionSource,

                                     RPositionServer& aServer, TPositionModuleId aModuleId,

                                     TPositionModuleInfo::TCapabilities aCapabilities);

    /**

     * Destructor.

     */

    ~CTrackingPositioner();

public:

    // New functions

    TInt StartTracking(TInt aInterval, TInt aTimeout, TInt aMaxAge);

    void StopTracking();

    void SetDefaultValues(const TTimeIntervalMicroSeconds& aTimeToFix,

                          TBool aNetworkbased);

protected:

    // Functions from base classes

    /**

     * From CActive

     */

    void RunL();

    /**

     * From CActive

     */

    void DoCancel();

    /**

     * From CActive

     */

    TInt RunError(TInt aError);

private:

    /**

     * C++ default constructor.

     */

    CTrackingPositioner(LocationFunctionServer* aFunctionSource);

    /**

     * Symbian 2nd phase constructor.

     */

    void ConstructL(RPositionServer& aServer, TPositionModuleId aModuleId,

                    TPositionModuleInfo::TCapabilities aCapabilities);

    // Prohibit copy constructor if not deriving from CBase.

    // ?classname( const ?classname& );

    // Prohibit assigment operator if not deriving from CBase.

    // ?classname& operator=( const ?classname& );

private:

    void CallBack();

    static TInt StaticCallBack(TAny* aTrackingPositioner);

public:

    // JNI Environment Data

    JNIEnv* mJni;

    jobject mPeer;

    // Location Updated Callback JNI Method ID

    jmethodID mLocationUpdatedMethod;

private:

    // Data

    CTimeoutTimer* iTimer;

    TBool iNetworkBased;

    TInt64 iTimeToFix;

    TInt64 iInterval;

    TInt64 iTimeout;

};

}

}

#endif // CTRACKINGPOSITIONER_H

// End of File