/*

* Copyright (c) 2002 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:   

*

*/

// INCLUDE FILES

#include "AknIconFileNameCache.h"

#include "AknIconFileNameItem.h"

// CONSTANTS

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

CAknIconFileNameCache::CAknIconFileNameCache()

    {

    }

CAknIconFileNameCache::~CAknIconFileNameCache()

    {

    iFileNameItems.ResetAndDestroy();

    }

CAknIconFileNameCache* CAknIconFileNameCache::NewL()

    {

    return new( ELeave ) CAknIconFileNameCache;

    }

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

// CAknIconFileNameCache::CacheIconFileNameL

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

//

HBufC* CAknIconFileNameCache::CacheIconFileNameL( const TDesC& aFileName )

    {

    HBufC* retFileName = GetIconFileName(aFileName);

    if (!retFileName)

        {

        retFileName = StoreIconFileNameL(aFileName);

        } 

    return retFileName;

    }

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

// CAknIconFileNameCache::GetIconFileName

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

//

HBufC* CAknIconFileNameCache::GetIconFileName( const TDesC& aFileName ) const

    {

    HBufC* retFileName = NULL;

    // Compare item. Can be instantiated in stack with this constructor.

    CAknIconFileNameItem compareItem( aFileName );

    TInt index = iFileNameItems.FindInOrder( 

        &compareItem, CAknIconFileNameItem::LinearOrder );

    if ( index >= 0 )

        {

        retFileName = iFileNameItems[index]->iFileName;

        }        

    return retFileName;

    }

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

// CAknIconFileNameCache::StoreIconFileNameL

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

//

HBufC* CAknIconFileNameCache::StoreIconFileNameL( const TDesC& aFileName )

    {

    CAknIconFileNameItem* fileNameItem = CAknIconFileNameItem::NewL(aFileName);

    CleanupStack::PushL( fileNameItem );    

    User::LeaveIfError( iFileNameItems.InsertInOrder(

        fileNameItem, CAknIconFileNameItem::LinearOrder ) );

    CleanupStack::Pop(fileNameItem);   

    return fileNameItem->iFileName;

    }    

//  End of File