/*

* Copyright (c) 2002-2005 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:   This file contains methofs which wraps functionality related

*                to landmark database initialization into a simpler interface.

*

*/

// INCLUDE FILES

#include "Debug.h"

#include "CLmkDbUtils.h"

#include "CLmkDbInitializer.h"

#include <lmkerrors.h>

// CONSTANTS

/// Unnamed namespace for local definitions

namespace {

// We wrap two async. tasks (db initialize and compress) into one

// using estimated 0.2/0.8 progress distribution:

const TReal32 KLmkInitMaxProgress( TReal32( 0.2 ) );

#if defined(_DEBUG)

_LIT( KPanicMsg, "CLmkDbInitializer" );

void Panic( TPanicCode aReason )

    {

    User::Panic( KPanicMsg, aReason );

    }

#endif

}  // namespace

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

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

// CLmkDbInitializer::CLmkDbInitializer

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

// might leave.

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

//

CLmkDbInitializer::CLmkDbInitializer(

    MLmkAOOperationObserver& aObserver,

    TBool aProgressNote )

    : iObserver( aObserver ),

      iProgressNote( aProgressNote )

    {

    }

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

// CLmkDbInitializer::NewL

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

//

CLmkDbInitializer* CLmkDbInitializer::NewL(

    CPosLandmarkDatabase& aDb,

    MLmkAOOperationObserver& aObserver,

    TBool aProgressNote )

	{

	CLmkDbInitializer* self =

        new ( ELeave ) CLmkDbInitializer( aObserver, aProgressNote );

	CleanupStack::PushL( self );

	self->ConstructL( aDb );

	CleanupStack::Pop(); //self

    return self;

	}

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

// CLmkDbInitializer::ConstructL

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

//

void CLmkDbInitializer::ConstructL( CPosLandmarkDatabase& aDb )

	{

    iDbUtils = CLmkDbUtils::NewL( aDb, *this, iProgressNote );

	}

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

// CLmkDbInitializer::~CLmkDbInitializer

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

//

CLmkDbInitializer::~CLmkDbInitializer()

	{

	delete iDbUtils; // also cancels possibly ongoing operation

	}

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

// CLmkDbInitializer::HandleOperationL

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

//

void CLmkDbInitializer::HandleOperationL(

TOperationTypes aType,

TReal32 aProgress,

TInt aStatus )

	{

	DEBUG2( CLmkDbInitializer::HandleOperationL entered: progress=%d status=%d,

	    aProgress, aStatus );

	__ASSERT_DEBUG( aType == EInitialize,

	            Panic( KLmkPanicUnknownOperation ) );

	// Modify progress information because we have wrapped two tasks into one:

	if ( aType == EInitialize && aStatus == KPosLmOperationNotComplete )

		{

		aProgress = aProgress * KLmkInitMaxProgress;

		}

	if( iProgressNote || aStatus != KPosLmOperationNotComplete )

		{

		// Caller either requested to receive all events, or we

		// have completed entirely and inform that to the caller.

		/*

		 *In the called method 'aProgress' is not used

		 *This code change of passing '0' instead of aPrgress is

		 *because of compiler error for winscw-urel target

		 *and this is a temparary fix

		 */

		//iObserver.HandleOperationL( EInitAndCompact, aProgress, aStatus );

		iObserver.HandleOperationL( EInitialize, 0, aStatus );

		}

	}

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

// CLmkDbInitializer::StartInitAndCompactL

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

//

void CLmkDbInitializer::StartInitAndCompactL()

	{

	DEBUG( CLmkDbInitializer::StartInitAndCompactL entered );

	iDbUtils->InitializeDbL();

	}

//  End of File