/*

* Copyright (c) 2005-2009 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 BTGPSPOWERMANAGER_H

#define BTGPSPOWERMANAGER_H

//  INCLUDES

#include <e32base.h>

#include "BTGPSPsyConnectionListener.h"

#include "BTGPSDeviceListener.h"

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CBTGPSConnectManager;

class CBTGPSPsyConnectionManager;

class CBTGPSDeviceManager;

class CBTGPSConstantsManager;

// CLASS DECLARATION

/**

*  This class manages power related features. It shurts down BT connection

*  when there is not location request received within pre-defined timeout

*  value.

*  

*/

class CBTGPSPowerManager: 

        public CBase, 

        private MBTGPSPsyConnectionListener,

        private MBTGPSDeviceListener

    {

    public: 

        /**

        * Two-phase construction.

        * @param aConnectManager Reference to connect manager

        * @param aPsyConnectionManager Reference to connection manager

        * @param aDeviceManager Reference to device manager.

        * @param aConstantsManager Reference to contants manager.

        */

        static CBTGPSPowerManager * NewL(

            CBTGPSConnectManager& aConnectManager,

            CBTGPSPsyConnectionManager& aPsyConnectionManager,

            CBTGPSDeviceManager& aDeviceManager,

            CBTGPSConstantsManager& aConstantsManager);

        /**

        * Destructor

        */

        virtual ~CBTGPSPowerManager();

    private:

        /**

        * From MBTGPSPsyConnectionListener

        */

        virtual void HandlePsyConnectionChange();

        /**

        * From MBTGPSDeviceListener

        */

        virtual void BTDeviceStatusChanged(

            TInt aConnectStatus, 

            TInt aDeviceType,

            TInt aErr=KErrNone);

    private:

        /**

        * Second phase of the construction

        */

        void ConstructL();

        /**

        * Private constructor

        */

        CBTGPSPowerManager(

            CBTGPSConnectManager& aConnectManager,

            CBTGPSPsyConnectionManager& aPsyConnectionManager,

            CBTGPSDeviceManager& aDeviceManager,

            CBTGPSConstantsManager& aConstantsManager);

        /**

        * Start or cancel timer if necessary.

        */

        void CheckTimer();    

        /**

        * Timer callback function

        */

        void TimerTick();

        /**

        * Static timer callback function

        */

        static TInt TimerCallback(TAny* aAny);

    private:

        //Connect manager

        CBTGPSConnectManager& iConnectManager;

        //Psy connection manager

        CBTGPSPsyConnectionManager& iPsyConnectionManager;

        //Device manager

        CBTGPSDeviceManager& iDeviceManager;

        //Constants manager

        CBTGPSConstantsManager& iConstantsManager;

        //Timer

        CPeriodic* iTimer;

    };

#endif

// End of File