/*

* Copyright (c) 2002-2004 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:  USSD Reply Timer.

*

*/

// INCLUDE FILES

// CONSTANTS

const TUint KPhSrvUssdReplyTimerInterval = 300000000; // 5 min

// ============================ MEMBER FUNCTIONS ===============================

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

// CPhSrvUssdReplyTimer::CPhSrvUssdReplyTimer

//

// Constructor

//

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

//

CPhSrvUssdReplyTimer::CPhSrvUssdReplyTimer( 

    MPhSrvUssdReplyTimerObserver& aObserver )

:   CTimer( CActive::EPriorityStandard ), 

    iObserver( aObserver )

    {

    CActiveScheduler::Add( this );

    }

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

// CPhSrvUssdReplyTimer::NewL

// Two-phased constructor.

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

//

CPhSrvUssdReplyTimer* CPhSrvUssdReplyTimer::NewL( 

    MPhSrvUssdReplyTimerObserver& aObserver )

    {

    CPhSrvUssdReplyTimer* self = 

        new( ELeave ) CPhSrvUssdReplyTimer( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(); // self

    return self;

    }

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

// CPhSrvUssdReplyTimer::~CPhSrvUssdReplyTimer

//

// Destructor

//

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

//

CPhSrvUssdReplyTimer::~CPhSrvUssdReplyTimer()

    {

    Cancel();

    iTimer.Close();

    }

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

// CPhSrvUssdReplyTimer::ConstructL

//

// Symbian OS second phase constructor

//

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

//

void CPhSrvUssdReplyTimer::ConstructL()

    {

    CTimer::ConstructL();

    }

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

// CPhSrvUssdReplyTimer::IsTimerActive

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

//

TBool CPhSrvUssdReplyTimer::IsTimerActive() const

    {

    return iTimeLeft.Int() != 0;

    }

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

// CPhSrvUssdReplyTimer::Start

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

//

void CPhSrvUssdReplyTimer::Start()

    {

    Cancel();

    iTimeLeft = KPhSrvUssdReplyTimerInterval;

    iLastStartTime.UniversalTime();

    After( iTimeLeft );

    }

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

// CPhSrvUssdReplyTimer::Pause

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

//

void CPhSrvUssdReplyTimer::Pause()

    {

    if ( !IsActive() )

        {

        return;

        }

    Cancel();

    iTimeLeft = KPhSrvUssdReplyTimerInterval;           

    }

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

// CPhSrvUssdReplyTimer::Continue

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

//

void CPhSrvUssdReplyTimer::Continue()

    {

    if ( IsActive() )

        {

        return;

        }

    if ( iTimeLeft.Int() <= 0 )

        {

        iTimeLeft = 0;

        TRAP_IGNORE(  iObserver.UssdReplyTimerObserverHandleExpiredL( KErrNone ) );

        return;

        }

    iLastStartTime.UniversalTime();

    After( iTimeLeft );

    }

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

// CPhSrvUssdReplyTimer::Stop

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

//

void CPhSrvUssdReplyTimer::Stop()

    {

    Cancel();

    iTimeLeft = 0;

    }

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

// CPhSrvUssdReplyTimer::RunL

//

// Called when the timer expires. Notify observer

//

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

//

void CPhSrvUssdReplyTimer::RunL()

    {

    // Called only when status is KErrNone, since when the system

    // time is changed, timers may be completed with KErrAbort.

    iTimeLeft = 0;

    if ( iStatus.Int() == KErrNone )

        {

        iObserver.UssdReplyTimerObserverHandleExpiredL( KErrNone );

        }

    }

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

// CPhSrvUssdReplyTimer::RunError

//

// Called when RunL leaves. 

// The RunL can leave in observer side, then it is ok to just return KErrNone.

//

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

//

TInt CPhSrvUssdReplyTimer::RunError( TInt /*aError*/ )

    {

    return KErrNone;

    }

//  End of File