1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    Download list cache. Circular buffer made for speeding up*

    15 */

    16 

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include <mpxlog.h>

    22 #include <mpxmedia.h>

    23 #include <mpxmediaarray.h>

    24 #include <mpxmediageneraldefs.h>

    25 #include <mpxmediacontainerdefs.h>

    26 #include <vcxmyvideosdefs.h>

    27 #include <centralrepository.h>

    28 #include <collate.h>

    29 #include "vcxmyvideosdownloadcache.h"

    30 #include "vcxmyvideoscollectionplugin.h"

    31 #include "vcxmyvideosdownloadutil.h"

    32 #include "vcxmyvideoscollectionutil.h"

    33 #include "vcxmyvideoscategories.h"

    34 

    35 const TInt KVcxMvDownloadFindCacheSize = 20;

    36 

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

    38 

    39 // ----------------------------------------------------------------------------

    40 // Two-phased constructor.

    41 // ----------------------------------------------------------------------------

    42 //

    43 CVcxMyVideosDownloadCache* CVcxMyVideosDownloadCache::NewL()

    44     {

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

    46     CleanupStack::PushL(self);

    47     self->ConstructL();

    48     CleanupStack::Pop(self);

    49     return self;

    50     }

    51 

    52 // ----------------------------------------------------------------------------

    53 // Destructor.

    54 // ----------------------------------------------------------------------------

    55 //

    56 CVcxMyVideosDownloadCache::~CVcxMyVideosDownloadCache()

    57     {

    58     MPX_FUNC("CVcxMyVideosDownloadCache::~CVcxMyVideosDownloadCache");

    59     

    60     iDownloadId.Close();

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

    62     }

    63 

    64 // ----------------------------------------------------------------------------

    65 // Constructor.

    66 // ----------------------------------------------------------------------------

    67 //

    68 CVcxMyVideosDownloadCache::CVcxMyVideosDownloadCache()

    69     {

    70     MPX_FUNC("CVcxMyVideosDownloadCache::CVcxMyVideosDownloadCache");

    71     }

    72 

    73 // ----------------------------------------------------------------------------

    74 // Symbian 2nd phase constructor can leave.

    75 // ----------------------------------------------------------------------------

    76 //

    77 void CVcxMyVideosDownloadCache::ConstructL ()

    78     {

    79     iDownloadId.Reset();

    80     iMedia.Reset();

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

    82         {

    83         iDownloadId.Append( 0 );

    84         iMedia.Append( NULL );

    85         }

    86     }

    87     

    88 // ----------------------------------------------------------------------------

    89 // CVcxMyVideosDownloadCache::Get

    90 // ----------------------------------------------------------------------------

    91 //

    92 CMPXMedia* CVcxMyVideosDownloadCache::Get( TUint32 aDownloadId )

    93     {

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

    95         {

    96         if ( iDownloadId[i] == aDownloadId )

    97             {

    98             return iMedia[i];

    99             }

   100         }

   101     return NULL;

   102     }

   103 

   104 // ----------------------------------------------------------------------------

   105 // CVcxMyVideosDownloadCache::Add

   106 // ----------------------------------------------------------------------------

   107 //

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

   109     {

   110     iPos++;

   111     iPos %= KVcxMvDownloadFindCacheSize;

   112     iDownloadId[iPos] = aDownloadId;

   113     iMedia[iPos]      = aVideo;    

   114     }

   115 

   116 // ----------------------------------------------------------------------------

   117 // CVcxMyVideosDownloadCache::Delete

   118 // ----------------------------------------------------------------------------

   119 //

   120 void CVcxMyVideosDownloadCache::Delete( CMPXMedia* aVideo )

   121     {

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

   123         {

   124         if ( iMedia[i] == aVideo )

   125             {

   126             iDownloadId[i] = 0;

   127             iMedia[i]      = NULL;

   128             }

   129         }

   130     }

   131 

   132 // End of file

   133