1 /*

     2 * Copyright (c) 2005 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 "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: 

    15 *

    16 */

    17 

    18 

    19 

    20 #include "musuibitmapdecoder.h"

    21 #include "musuibitmapdecoderobserver.h"

    22 #include "muslogger.h" // debug logging

    23 

    24 #include <imageconversion.h>

    25 

    26 

    27 // -----------------------------------------------------------------------------

    28 //

    29 // -----------------------------------------------------------------------------

    30 //

    31 CMusUiBitmapDecoder::~CMusUiBitmapDecoder()

    32     {

    33     MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::~CMusUiBitmapDecoder" );

    34     Cancel();

    35     iFs.Close();

    36     delete iData;

    37     delete iDecoder;

    38     MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::~CMusUiBitmapDecoder" );

    39     }

    40 

    41 

    42 // -----------------------------------------------------------------------------

    43 // Symbian two-phase constructor.

    44 // -----------------------------------------------------------------------------

    45 //

    46 CMusUiBitmapDecoder* CMusUiBitmapDecoder::NewL(

    47                         MMusUiBitmapDecoderObserver& aObserver )

    48     {

    49     CMusUiBitmapDecoder* self = new (ELeave) CMusUiBitmapDecoder( aObserver );

    50     CleanupStack::PushL( self );

    51     self->ConstructL();

    52     CleanupStack::Pop( self );

    53     return self;

    54     }

    55 

    56 

    57 // -----------------------------------------------------------------------------

    58 //

    59 // -----------------------------------------------------------------------------

    60 //

    61 CMusUiBitmapDecoder::CMusUiBitmapDecoder(

    62                         MMusUiBitmapDecoderObserver& aObserver ) :

    63     CActive( EPriorityNormal ),

    64     iObserver( aObserver )

    65     {

    66     // nothing

    67     }

    68 

    69 

    70 // -----------------------------------------------------------------------------

    71 // Symbian second-phase constructor.

    72 // -----------------------------------------------------------------------------

    73 //

    74 void CMusUiBitmapDecoder::ConstructL()

    75     {

    76     MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::ConstructL" );

    77     User::LeaveIfError( iFs.Connect() );

    78     //delete iData;

    79     iData = NULL;

    80     //delete iDecoder;

    81     iDecoder = NULL;

    82     CActiveScheduler::Add( this );

    83     MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::ConstructL" );

    84     }

    85 

    86 

    87 // -----------------------------------------------------------------------------

    88 //

    89 // -----------------------------------------------------------------------------

    90 //

    91 void CMusUiBitmapDecoder::ConvertL( HBufC8* aData, CFbsBitmap* aBitmap )

    92     {

    93     MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::ConvertL" );

    94 

    95     if ( IsActive() )

    96         {

    97         Cancel();

    98         }

    99 

   100     iData = aData->AllocL();

   101     iBitmap = aBitmap;

   102 

   103     delete iDecoder;

   104     iDecoder = NULL;

   105     iDecoder = CImageDecoder::DataNewL( iFs, *iData );

   106 

   107     iBitmap->Create( iDecoder->FrameInfo().iFrameCoordsInPixels.Size(),

   108                      iDecoder->FrameInfo().iFrameDisplayMode );

   109 

   110     iDecoder->Convert( &iStatus, *iBitmap, 0 );

   111     SetActive();

   112 

   113     MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::ConvertL" );

   114 

   115     }

   116 

   117 

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

   119 //

   120 // -----------------------------------------------------------------------------

   121 //

   122 void CMusUiBitmapDecoder::DoCancel()

   123     {

   124     MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::DoCancel" );

   125     iDecoder->Cancel();

   126     Cancel();

   127     MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::DoCancel" );

   128     }

   129 

   130 

   131 // -----------------------------------------------------------------------------

   132 //

   133 // -----------------------------------------------------------------------------

   134 //

   135 void CMusUiBitmapDecoder::RunL()

   136     {

   137     MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::RunL" );

   138     if (iStatus == KErrNone)

   139         {

   140         iObserver.UpdateBitmap( iBitmap );

   141         }

   142     else

   143         {

   144         MUS_LOG1( "mus: [MUSUI ]        CMusUiBitmapDecoder::RunL: iStatus: [%d]",

   145                                 iStatus.Int() );

   146         User::Leave( iStatus.Int() );

   147         }

   148     MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::RunL" );

   149     }

   150 

   151 

   152 // end of file