diff -r a151135b0cf9 -r aa2539c91954 tracesrv/tracecore/btrace_handler/src/TraceCoreTraceActivationIf.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecore/btrace_handler/src/TraceCoreTraceActivationIf.cpp	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,149 @@
+// Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Implementation of Trace activation interface
+// 
+
+#include "TraceCore.h"
+#include "TraceCoreTraceActivationIf.h"
+#include "BTraceOstCategoryBitmap.h"
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "TraceCoreTraceActivationIfTraces.h"
+#endif
+
+
+
+
+/**
+ * Constructor
+ */
+DTraceActivationIf::DTraceActivationIf()
+    {
+    }
+
+
+/**
+ * Destructor
+ */
+DTraceActivationIf::~DTraceActivationIf()
+    {
+    }
+    
+    
+/**
+ * Activate trace group
+ *
+ * @param aComponentId The component ID
+ * @param aGroupId The group ID
+ */
+EXPORT_C void DTraceActivationIf::ActivateTrace( TUint32 aComponentId, TUint32 aGroupId )
+    {    
+    // Get TraceCore
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if ( traceCore != NULL )
+        {
+        MTraceCoreActivation* activation = traceCore->GetActivation( aComponentId );
+        if ( activation != NULL )
+            {
+            activation->ActivateTrace( aComponentId, aGroupId );
+            }
+        }
+    }
+    
+    
+/**
+ * Deactivate trace group
+ *
+ * @param aComponentId The component ID
+ * @param aGroupId The group ID
+ */    
+EXPORT_C void DTraceActivationIf::DeactivateTrace( TUint32 aComponentId, TUint32 aGroupId )
+    {
+    OstTraceExt2( TRACE_BORDER, DTRACEACTIVATIONIF_DEACTIVATETRACE_ENTRY,"> DTraceActivationIf::DeactivateTrace. CID:0x%x GID:0x%x", aComponentId, aGroupId );
+    // Get TraceCore
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if ( traceCore != NULL )
+        {
+        MTraceCoreActivation* activation = traceCore->GetActivation( aComponentId );
+        if ( activation != NULL )
+            {
+            activation->DeactivateTrace( aComponentId, aGroupId );
+            }
+        }
+
+    }
+
+/**
+ * Check if a Trace is activated for the supplied component and group id
+ *
+ * @param aComponentId The component ID
+ * @param aGroupId The group ID
+ * @return returns ETrue if trace is activated otherwise EFalse
+ */    
+EXPORT_C TBool DTraceActivationIf::IsTraceActivated(TUint32 aComponentId, TUint32 aGroupId)
+    {
+    TBool ret = EFalse;
+    
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if (traceCore != NULL)
+        {
+        MTraceCoreActivation* activation = traceCore->GetActivation(aComponentId);
+        if (activation != NULL)
+            {
+            if(activation->IsComponentSupported(aComponentId))
+                {
+                RArray<TUint> groups = activation->GetActivatedGroups(aComponentId);
+                
+                const TUint8 KGroupId = (TUint8)aGroupId;
+                
+                for(TInt i=0;i<groups.Count();i++)
+                    {
+                    if( (TUint8)groups[i] == KGroupId)
+                        {
+                        ret = ETrue;
+                        break;
+                        }
+                    }
+                }
+            } 
+        else
+            {
+            OstTrace0(TRACE_IMPORTANT,DTRACEACTIVATIONIF_DEACTIVATETRACE_NO_ACTIVATION,"DTraceActivationIf::IsTraceActivated - No activation interface");
+            }
+        }
+    else
+        {
+        OstTrace0(TRACE_IMPORTANT,DTRACEACTIVATIONIF_DEACTIVATETRACE_NULL_TRACECORE,"DTraceActivationIf::IsTraceActivated - NULL TraceCore");
+        }
+   
+    return ret;    
+    }
+
+
+/**
+ * Reactivate all currently activated traces
+ *
+ * @return KErrNone if refresh successful
+ */
+EXPORT_C TInt DTraceActivationIf::RefreshActivations()
+    {    
+    // Get TraceCore
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if ( traceCore != NULL )
+        {
+        return traceCore->RefreshActivations();
+        }
+    return KErrNotReady;
+    }
+