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 //

    15 

    16 #ifndef     __TRACEONACTIVATION_H__

    17 #define     __TRACEONACTIVATION_H__

    18 

    19 #include <kernel/kernel.h>

    20 #include <kernel/kern_priv.h>

    21 #include <TraceCoreNotificationReceiver.h>

    22 

    23 //- Forward Declarations ----------------------------------------------------

    24 class TTraceOnActivationParams;

    25 class DTcChannel;

    26 class DTraceConnection;

    27 

    28 /**

    29 

    30 Logical device factory object

    31 

    32 */

    33 class DTcFactory : public DLogicalDevice

    34     {

    35     public:

    36         DTcFactory();

    37         virtual ~DTcFactory();

    38         virtual TInt Install();

    39         virtual void GetCaps(TDes8& aDes) const;

    40         virtual TInt Create(DLogicalChannelBase*& aChannel);	

    41     };

    42 

    43 

    44 /**

    45 

    46 The Kernel side logical channel

    47 

    48 */

    49 class DTcChannel : public DLogicalChannel

    50     {

    51     public:

    52         DTcChannel(DLogicalDevice* aDevice);

    53         virtual ~DTcChannel();

    54         virtual TInt DoCreate(TInt aUnit, const TDesC8* aInfo, const TVersion& aVer);

    55 

    56         virtual void HandleMsg(TMessageBase* aMsg);

    57         TInt DoControl(TInt aFunction, TAny* a1);

    58         TInt RegisterNotificationReceiver( TTraceOnActivationParams* aParameters );

    59         TInt UnregisterNotificationReceiver( TTraceOnActivationParams* aParameters );

    60         virtual TInt TraceActivated( TUint32 aComponentId, TUint16 aGroupId );

    61         virtual TInt TraceDeactivated( TUint32 aComponentId, TUint16 aGroupId );

    62 

    63     private:

    64         DThread* iClientThread;   // Store the pointer to the user thread

    65         DTraceConnection* iTraceConnection;

    66         TDfcQue* iActivationQue;

    67     };

    68 

    69 #endif      //  __TRACEONACTIVATION_H__