/*

* 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: Timer for creating longtap event 

*

*/

#include "alfscrollbarlongtaptimer.h"

#include <alf/ialfscrollbardefaultbaseelement.h>

#include "ialfscrollbarbaseelementinternal.h"

const int KInitialTimeInterval = 200000;

const int KTimeInterval =  100000;

namespace Alf

    {

//---------------------------------------------------------------------------

// Constructor

//---------------------------------------------------------------------------

//        

AlfScrollBarLongTapTimer::AlfScrollBarLongTapTimer(

    IAlfScrollBarDefaultBaseElement* aBaseElement):CActive(EPriorityStandard)

    {

    iTimer.CreateLocal();

    iBaseElement = aBaseElement;

    CActiveScheduler::Add(this);

    iState = EStopped;

    }

//---------------------------------------------------------------------------

// Destructor 

//---------------------------------------------------------------------------

//

AlfScrollBarLongTapTimer::~AlfScrollBarLongTapTimer()

    {

    Stop();

    iTimer.Close();

    }

//---------------------------------------------------------------------------

// Activates the timer. 

//---------------------------------------------------------------------------

//  

void AlfScrollBarLongTapTimer::Start()

    {

    if (iState == ERunning)

        return;

    if (!IsActive())

        {

        iTimer.After(iStatus, TTimeIntervalMicroSeconds32(KInitialTimeInterval));

        SetActive();

        }

    iState = ERunning;    

    }

//---------------------------------------------------------------------------

// stops the timer. 

//---------------------------------------------------------------------------

// 

void AlfScrollBarLongTapTimer::Stop()

    {

    Cancel();

    iState = EStopped;

    }

//---------------------------------------------------------------------------

// Handles an active object's request completion event.

//---------------------------------------------------------------------------

//     

void AlfScrollBarLongTapTimer::RunL()

    {

    IAlfScrollBarBaseElementInternal* elementInternal = 

        static_cast<IAlfScrollBarBaseElementInternal*> (

        iBaseElement->makeInterface(IAlfScrollBarBaseElementInternal::type()));

    if (iState == ERunning)

            {

            iTimer.After(iStatus, TTimeIntervalMicroSeconds32(KTimeInterval));    

            SetActive();

            }

    if(elementInternal)

        {

        elementInternal->handleLongTapEvent();

        }    

    }

//---------------------------------------------------------------------------

// Implements cancellation of an outstanding request.

//---------------------------------------------------------------------------

// 

void AlfScrollBarLongTapTimer::DoCancel()

    {

    iTimer.Cancel();

    }

    }