1 /*

     2 * Copyright (c) 2008-2008 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 "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:  Observer interface for the image converter

    15 *

    16 */

    17 

    18 

    19 #ifndef M_MIRIMAGECONVERTEROBSERVER_H

    20 #define M_MIRIMAGECONVERTEROBSERVER_H

    21 

    22 #include <e32def.h>

    23 

    24 /**

    25  * Observer interface for the image converter.

    26  */

    27 class MIRImageConverterObserver

    28     {

    29 

    30 public:

    31 

    32     /**

    33      * Supported image conversion events.

    34      */

    35     enum TIRImageConversionEvent

    36         {

    37         

    38         /**

    39          * Frame has been converted successfully; this means that the converter will continue

    40          * processing the data and sending out call backs as more frames are completed.

    41          */

    42         EIRFrameConversionCompleted,

    43         

    44         /**

    45          * Image has been completely converter; no further call backs will occur.

    46          */

    47         EIRImageConversionCompleted

    48         

    49         };

    50     

    51 public:

    52 

    53     /**

    54      * Call back method that is called when an image converion event occurs.

    55      * 

    56      * @param   aEvent          The event that occurred.

    57      * @param   aId             Identifier for the conversion.

    58      * @param   aError          One of the standard system error codes.

    59      */

    60     virtual void HandleImageConversionEventL( MIRImageConverterObserver::

    61     										TIRImageConversionEvent aEvent,

    62     										TInt aId, TInt aError ) = 0;

    63     

    64     };

    65 

    66 #endif // M_MIRIMAGECONVERTEROBSERVER_H