/*

* Copyright (c) 2002 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: Timers assemble for imps engine base function

*

*               CImpsIdleTimer

*               Idle timer to lauch Poll requests in CSP protocol.

*               CImpsPDPIdleTimer

*               Idle timer to close idle PDP-context (IAP).

*               CImpsPDPOpenTimer

*               Timer to open idle PDP-context.

*               CImpsShutdownTimer

*               Idle timer to lauch keep-alive and Poll requests in CSP protocol.

*

*/

#ifndef IDLETIMER_H

#define IDLETIMER_H

//  INCLUDES

#include "impssendreceive.h"

// FORWARD DECLARATIONS

class CImpsServer;

class MImpsCSPSession;

// CLASS DECLARATION

/**

* CImpsBaseTimer

* Base timer class for different timers

*/

class CImpsBaseTimer : public CActive

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        * @param aPriority Active objects priority

        */

        CImpsBaseTimer( TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsBaseTimer();

        /**

        * Start waiting.

        * Use CActive::Cancel() to cancel the request.

        * @param aWaitSeconds wait time in seconds

        */

        virtual void Start( TInt aWaitSeconds );

        /**

        * Stop the timer

        */

        virtual void Stop( );

        /**

        * Reset the timer after message is sent

        */

        virtual void Reset();

    protected:

        // From base class

        void DoCancel();

    protected:

        RTimer          iTimer;

        TBool           iReset;

        TInt            iSeconds;

    };

/**

* CImpsIdleTimer

* Idle timer to lauch Poll requests in CSP protocol.

*/

class CImpsIdleTimer: public CImpsBaseTimer

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        */

        CImpsIdleTimer( MImpsCSPSession& aServer, TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsIdleTimer();

        /**

        * Start waiting.

        * Use CActive::Cancel() to cancel the request.

        * @param aWaitSeconds wait time in seconds

        */

        void Start( TInt aWaitSeconds );

        /**

        * Stop the timer

        */

        void Stop( );

    protected:

        // From base class

        void RunL();

    protected:  // data

        MImpsCSPSession&    iServer;

    };

/**

* CImpsPDPIdleTimer

* Idle timer to close idle PDP-context (IAP)

*/

class CImpsPDPIdleTimer: public CImpsBaseTimer

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        */

        CImpsPDPIdleTimer( MImpsCSPSession& aServer, TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsPDPIdleTimer();

        /**

        * Start waiting.

        * Use CActive::Cancel() to cancel the request.

        * @param aWaitSeconds wait time in seconds

        */

        void Start( TInt aWaitSeconds );

        /**

        * Stop the timer

        */

        void Stop( );

        /**

        * Reset the timer after message is sent

        */

        void Reset();

    protected:

        // From base class

        void RunL();

    protected:  // data

        MImpsCSPSession&    iServer;

    };

/**

* CImpsPDPOpenTimer

* Timer to open idle PDP-context

*/

class CImpsPDPOpenTimer: public CImpsBaseTimer

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        */

        CImpsPDPOpenTimer( MImpsCSPSession& aServer, TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsPDPOpenTimer();

        /**

        * Start waiting.

        * Use CActive::Cancel() to cancel the request.

        * @param aWaitSeconds wait time in seconds

        */

        void Start( TInt aWaitSeconds );

        /**

        * Stop the timer

        */

        void Stop( );

    protected:

        // From base class

        void RunL();

    protected:  // data

        MImpsCSPSession&    iServer;

    };

/**

* CImpsShutdownTimer

* Idle timer to lauch keep-alive and Poll requests in CSP protocol.

*/

class CImpsShutdownTimer: public CImpsBaseTimer

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        */

        CImpsShutdownTimer( CImpsServer& aServer, TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsShutdownTimer();

        /**

        * Start waiting.

        * Use this instead of base class Start(TTnt)

        * Use CActive::Cancel() to cancel the request.

        * @param aWaitSeconds wait time in seconds

        */

        void Start( TInt aWaitSeconds ); //lint !e1411

        /**

        * Stop the timer

        */

        void Stop( );

    protected:

        // From base class

        void RunL();

    protected:  // data

        CImpsServer&    iServer;

    private:

        MImpsCSPSession*    iSess;

    };

/**

* CImpsExpiryTimer

* Timer to discard expired CSP requests

*/

class CImpsExpiryTimer: public CImpsBaseTimer

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        */

        CImpsExpiryTimer(

            CImpsServer& aServer,

            TImpsEventType aType,

            TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsExpiryTimer();

        /**

        * Start waiting.

        * Use CActive::Cancel() to cancel the request.

        * @param aWaitSeconds wait time in seconds

        */

        void Start( TInt aWaitSeconds );

        /**

        * Stop the timer

        */

        void Stop( );

    protected:

        // From base class

        void RunL();

    protected:  // data

        CImpsServer&    iServer;

    private:

        TImpsEventType  iType;

    };

/**

* CImpsSendQueued

* This sends so many queued messages to trasnport as possible.

*/

class CImpsSendQueued: public CActive

    {

    public:

        /**

        * Constructor

        * @param aServer WV engine server

        */

        CImpsSendQueued( MImpsCSPSession& aServer, TInt aPriority );

        /**

        * Destructor

        */

        virtual ~CImpsSendQueued();

        /**

        * Start request for sending

        */

        void Send(  );

    protected:

        // From base class

        void RunL();

        void DoCancel();

    private:

        MImpsCSPSession&    iServer;

        TBool               iCanceled;

    };

#endif      // IDLETIMER_H

// End of File