/*

* 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 CFavouritesItemList.

*      

*

*/

// INCLUDE FILES

#include <s32strm.h>

#include <favouritesitemlist.h>

#include <favouritesitem.h>

// CONSTANTS

/// Granularity of the item list.

LOCAL_D const TInt KGranularity = 8;

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

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

// CFavouritesItemList::CFavouritesItemList

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

//

EXPORT_C CFavouritesItemList::CFavouritesItemList()

: CArrayPtrFlat<CFavouritesItem>( KGranularity )

    {

    }

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

// CFavouritesItemList::~CFavouritesItemList

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

//

EXPORT_C CFavouritesItemList::~CFavouritesItemList()

    {

    ResetAndDestroy();

    }

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

// CFavouritesItemList::Delete

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

//

EXPORT_C void CFavouritesItemList::Delete( TInt aIndex )

    {

    delete At( aIndex );    // At will panic as usual, if out of bounds.

    CArrayPtrFlat<CFavouritesItem>::Delete( aIndex );

    }

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

// CFavouritesItemList::Delete

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

//

EXPORT_C void CFavouritesItemList::Delete( TInt aIndex, TInt aCount )

    {

    for ( ; aCount > 0; aCount-- )

        {

        // After deleting an item, the remaining ones "fall down".

        Delete( aIndex );

        }

    }

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

// CFavouritesItemList::SortL

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

//

EXPORT_C void CFavouritesItemList::SortL( ComparisonFuncL aCompareItemsL )

    {

    CFavouritesItem* left;

    CFavouritesItem* right;

    CFavouritesItem* tmp;

    TInt i;

    TInt j;

    TInt count = Count();

    if ( count )

        {

        for ( i = count - 1; i >= 0; i-- )

            {

            for ( j = 0; j < i; j++ )

                {

                left = At( j );

                right = At( j + 1 );

                if ( (*aCompareItemsL)( *left, *right ) > 0 )

                    {

                    tmp = left;

                    At( j ) = right;

                    At( j + 1 ) = tmp;

                    }

                }

            }

        }

    }

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

// CFavouritesItemList::UidToIndex

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

//

EXPORT_C TInt CFavouritesItemList::UidToIndex( TInt aUid ) const

    {

    TInt i;

    TInt count = Count();

    for ( i = 0; i < count; i++ )

        {

        if ( At( i )->Uid() == aUid )

            {

            return i;

            }

        }

    return KErrNotFound;

    }

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

// CFavouritesItemList::IndexToUid

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

//

EXPORT_C TInt CFavouritesItemList::IndexToUid( TInt aIndex ) const

    {

    if ( aIndex >= 0 && aIndex < Count() )

        {

        return At( aIndex )->Uid();

        }

    return KFavouritesNullUid;

    }

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

// CFavouritesItemList::ItemByUid

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

//

EXPORT_C const CFavouritesItem* CFavouritesItemList::ItemByUid

( TInt aUid ) const

    {

    TInt i;

    TInt count = Count();

    for ( i = 0; i < count; i++ )

        {

        if ( At( i )->Uid() == aUid )

            {

            return At( i );

            }

        }

    return NULL;

    }

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

// CFavouritesItemList::ExternalizeL

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

//

void CFavouritesItemList::ExternalizeL( RWriteStream& aStream ) const

    {

    aStream.WriteInt32L( Count() );

    for ( TInt i = 0; i < Count(); i++ )

        {

        At( i )->ExternalizeL( aStream );

        }

    }

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

// CFavouritesItemList::InternalizeL

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

//

void CFavouritesItemList::InternalizeL( RReadStream& aStream )

    {

    TInt count = aStream.ReadInt32L();

    for ( TInt i = 0; i < count; i++ )

        {

        CFavouritesItem* item = CFavouritesItem::NewLC();

        item->InternalizeL( aStream );

        AppendL( item );

        CleanupStack::Pop( item );

        }

    }

//  End of File