/*

* Copyright (c) 2002-2006 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:   Implementation of the ScanListIterator class.

*

*/

#include "hssscanlist.h"

#include "hssscanlistiterator.h"

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

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

// 

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

//

HssScanListIterator::HssScanListIterator( const HssScanList& scan_list )

    :current_m( &scan_list.data_m[0] ),

     scan_list_m( scan_list )

{

}

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

// 

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

//

const HssScanFrame* HssScanListIterator::First()

{

    if ( scan_list_m.size_m == 0 )

    {

        // No data stored -> no first elemen -> set NULL.

        return NULL;

    }

    // Data exist -> set current at the beginning od the data.

    current_m = &scan_list_m.data_m[0];

    return current_m;

}

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

// 

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

//

const HssScanFrame* HssScanListIterator::Next()

{

    current_m += HssScanList::AddPadding( Size() );

    return Current();

}

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

// 

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

//

const HssScanFrame* HssScanListIterator::Current() const

{

    if( current_m >= scan_list_m.data_m + scan_list_m.size_m )

    {

        return NULL;

    }

    return current_m;

}

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

// 

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

//

TBool HssScanListIterator::IsDone() const

{

    return ( current_m >= scan_list_m.data_m + scan_list_m.size_m );

}