/*

* Copyright (c) 2005 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: Class compacting a landmark database in steps.

*

*

*/

// INCLUDE FILES

#include    "EPos_CPosLmCompactDatabase.h"

#include    "EPos_CPosLmLocalDbAccess.h"

// CONSTANTS

const TReal32 KOperationDone = 1;

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

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

// CPosLmCompactDatabase::CPosLmCompactDatabase

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CPosLmCompactDatabase::CPosLmCompactDatabase() :

    CBase()

    {

    }

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

// CPosLmCompactDatabase::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPosLmCompactDatabase::ConstructL(

    CPosLmLocalDbAccess& aDbAccess)

    {

    RDbNamedDatabase db;

    aDbAccess.GetDatabase(db);

    User::LeaveIfError(iDbIncremental.Compact(db, iIncrementalStep));

    iIncrementalStartValue = iIncrementalStep;

    }

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

// CPosLmCompactDatabase::NewL

// Two-phased constructor.

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

//

EXPORT_C CPosLmCompactDatabase* CPosLmCompactDatabase::NewL(

    CPosLmLocalDbAccess& aDbAccess)

    {

    CPosLmCompactDatabase* self = new( ELeave ) CPosLmCompactDatabase();

    CleanupStack::PushL(self);

    self->ConstructL(aDbAccess);

    CleanupStack::Pop(self);

    return self;

    }

// Destructor

CPosLmCompactDatabase::~CPosLmCompactDatabase()

    {

    iDbIncremental.Close();

    }

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

// CPosLmCompactDatabase::NextL

//

// (other items were commented in a header).

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

//

EXPORT_C TBool CPosLmCompactDatabase::NextL(

    TReal32& aProgress)

    {

    User::LeaveIfError(iDbIncremental.Next(iIncrementalStep));

    if (iIncrementalStartValue == 0 || iIncrementalStep == 0)

        {

        aProgress = KOperationDone;

        iDbIncremental.Close();

        return ETrue;

        }

    aProgress = TReal32((iIncrementalStartValue - iIncrementalStep)) /

        iIncrementalStartValue;

    return EFalse;

    }

//  End of File