/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*      Implementation of class TCodProgress.   

*      

*

*/

// INCLUDE FILES

#include "CodProgress.h"

#include "CodLoadObserver.h"

#include "CodPanic.h"

#include "CodLogger.h"

#include "FileExt.h"

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

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

// TCodProgress::NotifyObserverL()

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

//

void TCodProgress::NotifyObserverL()

    {

    CLOG(( ECodEng, 2, _L("TCodProgress::NotifyObserverL (0x%x) %d/%d"), \

        iObserver, CurrentValue(), FinalValue() ));

    if ( iObserver )

        {

        iObserver->ProgressL( FinalValue(), CurrentValue() );

        }

    }

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

// TCodProgress::SetObserver()

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

//

void TCodProgress::SetObserver( MCodLoadObserver* aObserver )

    {

    CLOG(( ECodEng, 2, _L("TCodProgress::SetObserver(0x%x)"), aObserver ));

    __ASSERT_ALWAYS( !(aObserver && iObserver), \

        CodPanic( ECodObserverAlreadySet ) );

    iObserver = aObserver;

    }

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

// TCodProgress::Setup()

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

//

void TCodProgress::Setup( TInt aLoad, TInt aNotify )

    {

    CLOG(( ECodEng, 2, \

        _L("TCodProgress::Setup load(%d) notify(%d)"), aLoad, aNotify ));

    iPhase = ELoad;

    iMax[ELoad] = aLoad;

    iMax[ENotify] = aNotify;

    iCur[ELoad] = 0;

    iCur[ENotify] = 0;

    }

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

// TCodProgress::StartPhaseL()

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

//

void TCodProgress::StartPhaseL( TPhase aPhase )

    {

    CLOG(( ECodEng, 2, _L("TCodProgress::StartPhaseL(%d)"), aPhase ));

    iPhase = aPhase;

    NotifyObserverL();

    }

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

// TCodProgress::IncrementL()

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

//

void TCodProgress::IncrementL( TInt aBytes )

    {

    CLOG(( ECodEng, 2, _L("TCodProgress::IncrementL (%d)"), aBytes ));

    if ( aBytes >= 0 )

        {

        iCur[iPhase] += aBytes;

        if ( iCur[iPhase] > iMax[iPhase] )

            {

            // Raise underestimated max. to match current.

            // Remaining unchanged, max. raised -> progress goes forward.

            iMax[iPhase] = iCur[iPhase];

            }

        }

        NotifyObserverL();

    }

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

// TCodProgress::SetAmountL()

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

//

void TCodProgress::SetAmountL( TInt aBytes )

    {

    CLOG(( ECodEng, 2, _L("TCodProgress::SetAmountL (%d)"), aBytes ));

    iCur[iPhase] = aBytes;

    if ( iCur[iPhase] > iMax[iPhase] )

        {

        // Raise underestimated max. to match current.

        // Remaining unchanged, max. raised -> progress goes forward.

        iMax[iPhase] = iCur[iPhase];

        }

    NotifyObserverL();

    }

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

// TCodProgress::DoneL()

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

//

void TCodProgress::DoneL()

    {

    CLOG(( ECodEng, 2, _L("TCodProgress::DoneL") ));

    NotifyObserverL();

    }