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 DTRACECORETRACEACTIVATIONIF_H_

    18 #define DTRACECORETRACEACTIVATIONIF_H_

    19 

    20 #include <kernel/kernel.h>

    21 

    22 /**

    23  * Interface to activate and deactivate trace groups

    24  */

    25 class DTraceActivationIf : public DBase

    26     {

    27 public:

    28 

    29     /**

    30      * Activate trace group

    31      *

    32      * @param aComponentId The component ID

    33      * @param aGroupId The group ID

    34      */

    35 	IMPORT_C static void ActivateTrace( TUint32 aComponentId, TUint32 aGroupId );

    36 	

    37     /**

    38      * Deactivate trace group

    39      *

    40      * @param aComponentId The component ID

    41      * @param aGroupId The group ID

    42      */    

    43 	IMPORT_C static void DeactivateTrace( TUint32 aComponentId, TUint32 aGroupId );

    44 	

    45 	/**

    46 	 * Check if a Trace is activated for the supplied component and group id

    47 	 *

    48 	 * @param aComponentId The component ID

    49 	 * @param aGroupId The group ID

    50 	 * @return returns ETrue if trace is activated otherwise EFalse

    51 	 */    

    52 	IMPORT_C static TBool IsTraceActivated(TUint32 aComponentId, TUint32 aGroupId);

    53 

    54     /**

    55      * Reactivate all currently activated traces

    56      *

    57      * @return KErrNone if refresh successful

    58      */

    59     IMPORT_C static TInt RefreshActivations();

    60 

    61 private:

    62 

    63     /**

    64      * Constructor

    65      */

    66     DTraceActivationIf();

    67     

    68     /**

    69      * Destructor

    70      */

    71     ~DTraceActivationIf();    

    72     };

    73 

    74 #endif /*DTRACECORETRACEACTIVATIONIF_H_*/