1 // Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Trace Core

    15 //

    16 

    17 #ifndef __TRACECORESETTINGS_H__

    18 #define __TRACECORESETTINGS_H__

    19 

    20 

    21 // Include files

    22 #include <kernel/kernel.h>

    23 

    24 

    25 /**

    26  * Interface for saving and restoring trace activation settings

    27  */

    28 class DTraceCoreSettings : public DBase

    29     {

    30 public:

    31 

    32     /**

    33      * Constructor

    34      *

    35      * @param aWriterType Type of writer 

    36      */

    37     IMPORT_C DTraceCoreSettings();

    38 

    39     /**

    40      * Destructor

    41      */    

    42     IMPORT_C virtual ~DTraceCoreSettings();

    43 

    44     /**

    45      * Registers this activation settings saver to TraceCore. Only one saver can register.

    46      */

    47     IMPORT_C TInt Register();

    48     

    49     /**

    50      * Write settings

    51      * 

    52      * @param aBuffer Buffer to save

    53      */

    54     virtual void Write( const TUint8* aBuffer, TUint32 aLength ) = 0;

    55     

    56     /**

    57      * Read settings

    58      * 

    59      * @param aBuffer Buffer where to read

    60      * @return ETrue if buffer copied

    61      */

    62     virtual TBool Read( TUint8* aBuffer, TUint32 aLength ) = 0;

    63     

    64 private:

    65     

    66     /**

    67      * Unregisters this activation settings saver from TraceCore.

    68      */

    69     TInt Unregister();

    70     };

    71 

    72 #endif //__TRACECOREACTIVATIONSETTINGSIF_H__

    73 

    74 // End of File