/*

* Copyright (c) 2007 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: This file defines class CFSMailLedHandler.

*

*/

#ifndef __FSMAIL_LED_HANDLER_H__

#define __FSMAIL_LED_HANDLER_H__

#include "fsnotificationhandlerbase.h"

#include "fsnotificationhandlertimerobserver.h"

class CFSNotificationHandlerTimer;

// Define startup Max retry counter for trying to get LED property

// value before assuming that the LED is not supported

const TInt KMaxLedRetry = 5;

/**

 *  Class to handle email led turning on.

 *  A handler for observing inputs into email framework, turning on the 

 *  Email LED if a message addition is performed on a Inbox folder.

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 ?S60_version *** for example, S60 v3.0

 */

class CFSMailLedHandler : public CFSNotificationHandlerBase,

                          public MFSNotificationHandlerTimerObserver

    {

public:

    enum TState

        {

        EStarting,

        ESupportLED,

        ENotSupportLED

        };

    /**

     * Two-phased constructor.

     * @param aOwner Owner and manager of this handler.

     */	

    static CFSMailLedHandler* NewL( MFSNotificationHandlerMgr& aOwner );

    /**

    * Destructor.

    */

    virtual ~CFSMailLedHandler();

// From base class MFSNotificationHandlerTimerObserver

    virtual void TimerCallBackL( TInt aError );

// from base class CFSNotificationHandlerBase

    virtual void HandleEventL(

        TFSMailEvent aEvent,

        TFSMailMsgId aMailbox,

        TAny* aParam1,

        TAny* aParam2,

        TAny* aParam3 );

private:

    /**

     * Constructor.

     *

     * @since S60 ?S60_version

     * @param aOwner Owner and manager of this handler.

     */ 

    CFSMailLedHandler( MFSNotificationHandlerMgr& aOwner );

    void ConstructL();

// from base class CFSNotificationHandlerBase         

    virtual void TurnNotificationOn();

    virtual void TurnNotificationOff();

private: // data

	TState iState;

	TInt iRetryCount;

    /**

     * Timer service.

     * Own.

     */        

    CFSNotificationHandlerTimer* iTimer;

    };

#endif  //__FSMAIL_LED_HANDLER_H__