/*

* 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:

 *

*/

#ifndef CLOCATIONPROVIDER_H

#define CLOCATIONPROVIDER_H

//  INCLUDES

#include <e32base.h>

#include <lbs.h>

#include <jni.h>

#include "locationfunctionserver.h"

namespace java

{

namespace location

{

//  FORWARD DECLARATIONS

class LocationFunctionServer;

class CPositioner;

class CTrackingPositioner;

class CPosGlobalPrivacyDb;

class CDelayStateChangeTimer;

// CLASS DECLARATION

/**

 *  Handles LocationProvider operations.

 */

class CLocationProvider: public CActive

{

public:

    // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static void NewL(LocationFunctionServer* aFunctionSource, TInt* aHandle);

    /**

     * Destructor.

     */

    ~CLocationProvider();

public:

    // New functions

    static void StaticCreatePositionerL(JNIEnv* aJni, jobject aPositioner,

                                        CLocationProvider* aSelf, TInt* aHandle,

                                        LocationFunctionServer* aFunctionSource);

    void SelectModuleL(TInt aHacc, TInt aVacc, TInt aRespTime, TInt aPower,

                       TInt aRequiredFlags, TInt* aLocationMethod);

protected:

    // Functions from base classes

    /**

     * From CBase

     */

    void RunL();

    /**

     * From CBase

     */

    void DoCancel();

private:

    /**

     * C++ default constructor.

     */

    CLocationProvider(LocationFunctionServer* aEventSource);

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

private:

    CPositioner* CreatePositionerL();

    static TBool CheckRequirements(const TPositionQuality& aQuality,

                                   TPositionModuleInfo::TCapabilities aCaps, TInt aHacc, TInt aVacc,

                                   TInt aRespTime, TInt aPower, TInt aRequiredFlags);

    void RequestModuleStatus();

    TInt StatusToState(TPositionModuleStatus& aStatus);

    void ChangeState(TInt aState);

    TBool AllLocationRequestsDeniedL();

public:

    CTrackingPositioner* iTrackingPositioner;

    // JNI Environment Data

    JNIEnv* mJni;

    jobject mPeer;

    // Location Updated Callback JNI Method ID

    jmethodID mStateChangMethod;

private:

    // Data

    LocationFunctionServer* mFunctionServer;

    RPositionServer iPositionServer;

    TPositionModuleId iModuleId;

    TPositionModuleInfo::TCapabilities iCapabilities;

    TPositionModuleStatusEvent iStatusEvent;

    TInt iState;

    TInt iNewState;

    CDelayStateChangeTimer* iStateTimer;

private:

    friend class CDelayStateChangeTimer;

};

}

}

#endif // CLOCATIONPROVIDER_H

// End of File