/*

* Copyright (c) 2005-2006 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:      provides timing services for AVController server

*

*/

#ifndef C_UPNPAVTIMER_H_

#define C_UPNPAVTIMER_H_

// Include files

#include <e32base.h>

const TInt KTimerCycle1         = 1;

const TInt KTimerCycle3         = 3;

const TInt KTimerCycle5         = 5;

const TInt KTimerCycle10        = 10;

const TInt KTimerCycle30        = 30;

const TInt KTimerCycle300       = 300;

// Forward declarations

class CUPnPBrowsingSession;

class MUPnPAVTimerCallback;

/**

 * Timer class. Used as a server (AVC and S60 Media Server) shutdown timer.

 *

 */

class CUPnPAVTimer: public CTimer

    {

public:

    /**

     * Timer type defination

     */    

    enum TAVTimerType

        {

        ETimerServerShutdown = 0,

        ETimerMediaServer,

        ETimerFailSafe

        };

public:

    /**

     * Static 1st phase constructor

     * @param aObserver Observer

     * @param aType timer type

     * @return A new timer instance

     */    

    static CUPnPAVTimer* NewL( MUPnPAVTimerCallback& aObserver,

        TAVTimerType aType );

    /**

     * Destructor

     */    

    virtual ~CUPnPAVTimer();

private:

    /**

     * Private constructor

     * @param aObserver Observer

     * @param aType timer type

     */

    CUPnPAVTimer( MUPnPAVTimerCallback& aObserver, TAVTimerType aType );

    /**

     * 2nd phase construct

     */

    void ConstructL();

protected: // From CTimer (CActive)

    /**

     * See e32base.h

     */

    void RunL();

public: // New functions

    /**

     * Starts the timer

     * @param aType Type of timing interval

     */

    void Start( TInt aIntervalInSecs );

private:

    MUPnPAVTimerCallback& iObserver; // Not Own

    TAVTimerType iTimerType;

    };

/**

 * Timer observer

 *

 */

class MUPnPAVTimerCallback

    {

public:

    /**

     * Called when timer expires

     *

     * @param aType time-out type

     */

    virtual void UPnPAVTimerCallback( CUPnPAVTimer::TAVTimerType aType ) = 0;

    };

#endif // C_UPNPAVTIMER_H_