1 /*

     2 * Copyright (c) 2007 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:  Codec to pack and unpack event objects.

    15 *

    16 */

    17 

    18 #ifndef SEARCHEVENTCODEC_H

    19 #define SEARCHEVENTCODEC_H

    20 

    21 #include <e32base.h>

    22 

    23 #include "eventcodec.h"

    24 

    25 class CXIMPApiEventBase;

    26 class RReadStream;

    27 

    28 

    29 /**

    30  * Codec to pack and unpack event objects.

    31  *

    32  * @lib searchdatamodel.dll

    33  */

    34 NONSHARABLE_CLASS( CSearchEventCodec ): public MEventCodec

    35     {

    36     

    37 public:

    38     static CSearchEventCodec* NewL();

    39     

    40     ~CSearchEventCodec();

    41     

    42     

    43     /**

    44      * packs and allocates memory for the  

    45      * event object and event type

    46      *

    47      * @param aEventObj  

    48      * event object derived from CXIMPApiEventBase

    49      * 

    50      * @param aTypeOfEvent 

    51      * holds  type of the event after execution from aEventObj

    52      * 

    53      * @return

    54      * heap allocated which contains both

    55      * event and event type

    56      */

    57     HBufC8* PackL( CXIMPApiEventBase& aEventObj,

    58                                    TInt32& aTypeOfEvent );

    59                                    

    60     /**

    61      * packs  

    62      * event object and event type into the buffer

    63      *

    64      * @param aEventObj  

    65      * event object derived from CXIMPApiEventBase

    66      * 

    67      * @param aTypeOfEvent 

    68      * holds  type of the event after execution from aEventObj 

    69      * 

    70      * @param

    71      * buffer to be packed  with

    72      * event and event type

    73      */                               

    74                                    

    75     void PackL( CXIMPApiEventBase& aEventObj,

    76                          TInt32& aTypeOfEvent,

    77                          CBufFlat* aBuffer );

    78 

    79     /**

    80      *

    81      * @param aEventData

    82      * data desc which has the event type and id

    83      *

    84      * @param aTypeOfEvent 

    85      * holds  type of the event after execution from aEventData 

    86      *

    87      * @return new eventbase object constructed from aEventData

    88      *

    89      */

    90     CXIMPApiEventBase* UnPackL( const TDesC8& aEventData,

    91                                                 TInt32& aTypeOfEvent );

    92 protected:

    93     void ConstructL();

    94 

    95 private:

    96 

    97     CSearchEventCodec();

    98 

    99 

   100     };

   101 

   102 

   103 #endif // SEARCHEVENTCODEC_H