/*

* Copyright (c) 2008 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:    Download list cache. Circular buffer made for speeding up*

*/

// INCLUDE FILES

#include <mpxlog.h>

#include <mpxmedia.h>

#include <mpxmediaarray.h>

#include <mpxmediageneraldefs.h>

#include <mpxmediacontainerdefs.h>

#include <vcxmyvideosdefs.h>

#include <centralrepository.h>

#include <collate.h>

#include "vcxmyvideosdownloadcache.h"

#include "vcxmyvideoscollectionplugin.h"

#include "vcxmyvideosdownloadutil.h"

#include "vcxmyvideoscollectionutil.h"

#include "vcxmyvideoscategories.h"

const TInt KVcxMvDownloadFindCacheSize = 20;

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

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

// Two-phased constructor.

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

//

CVcxMyVideosDownloadCache* CVcxMyVideosDownloadCache::NewL()

    {

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Destructor.

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

//

CVcxMyVideosDownloadCache::~CVcxMyVideosDownloadCache()

    {

    MPX_FUNC("CVcxMyVideosDownloadCache::~CVcxMyVideosDownloadCache");

    iDownloadId.Close();

    iMedia.Close(); // pointers are not own

    }

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

// Constructor.

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

//

CVcxMyVideosDownloadCache::CVcxMyVideosDownloadCache()

    {

    MPX_FUNC("CVcxMyVideosDownloadCache::CVcxMyVideosDownloadCache");

    }

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

// Symbian 2nd phase constructor can leave.

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

//

void CVcxMyVideosDownloadCache::ConstructL ()

    {

    iDownloadId.Reset();

    iMedia.Reset();

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

        {

        iDownloadId.Append( 0 );

        iMedia.Append( NULL );

        }

    }

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

// CVcxMyVideosDownloadCache::Get

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

//

CMPXMedia* CVcxMyVideosDownloadCache::Get( TUint32 aDownloadId )

    {

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

        {

        if ( iDownloadId[i] == aDownloadId )

            {

            return iMedia[i];

            }

        }

    return NULL;

    }

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

// CVcxMyVideosDownloadCache::Add

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

//

void CVcxMyVideosDownloadCache::Add( TUint32 aDownloadId, CMPXMedia* aVideo )

    {

    iPos++;

    iPos %= KVcxMvDownloadFindCacheSize;

    iDownloadId[iPos] = aDownloadId;

    iMedia[iPos]      = aVideo;    

    }

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

// CVcxMyVideosDownloadCache::Delete

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

//

void CVcxMyVideosDownloadCache::Delete( CMPXMedia* aVideo )

    {

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

        {

        if ( iMedia[i] == aVideo )

            {

            iDownloadId[i] = 0;

            iMedia[i]      = NULL;

            }

        }

    }

// End of file