--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecore/btrace_handler/src/BTraceCategoryHandler.cpp	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,141 @@
+// 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:
+// Trace Core 
+//
+
+#include "BTraceCategoryHandler.h"
+#include "TraceCore.h"
+#include "TraceCoreBTraceHandler.h"
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "BTraceCategoryHandlerTraces.h"
+#endif
+
+
+
+/**
+ * Constructor
+ */	
+EXPORT_C DBTraceCategoryHandler::DBTraceCategoryHandler()
+: iWriter( NULL )
+, iSettings( NULL )
+    {
+    }
+
+
+/**
+ * Destructor
+ */	
+EXPORT_C DBTraceCategoryHandler::~DBTraceCategoryHandler()
+    {
+    Unregister();
+    iCategories.Close();
+    }
+
+
+/**
+ * Called before SetWriter with interrupts enabled
+ * 
+ * @param aWriter The new writer
+ */
+EXPORT_C void DBTraceCategoryHandler::PrepareSetWriter( DTraceCoreWriter* /*aWriter*/ )
+    {
+    }
+
+
+/**
+ * Sets active writer
+ * 
+ * @param aWriter The new writer
+ */
+EXPORT_C void DBTraceCategoryHandler::SetWriter( DTraceCoreWriter* aWriter )
+    {
+    iWriter = aWriter;
+    }
+
+
+/**
+ * Sets settings saver
+ * 
+ * @param aSettings Settings saver
+ */    
+EXPORT_C void DBTraceCategoryHandler::SetSettings( DTraceCoreSettings* aSettings )
+    {
+	iSettings = aSettings;
+    }
+
+
+/**
+ * Adds a category to be registered
+ *
+ * @param aCategory The category
+ */
+EXPORT_C TInt DBTraceCategoryHandler::AddCategory( TUint8 aCategory )
+    {
+    OstTrace1( TRACE_BORDER, DBTRACECATEGORYHANDLER_ADDCATEGORY_ENTRY, "> DBTraceCategoryHandler::AddCategory 0x%x", aCategory );
+    TInt ret = iCategories.Append( aCategory );
+    OstTrace1( TRACE_BORDER, DBTRACECATEGORYHANDLER_ADDCATEGORY_EXIT, "< DBTraceCategoryHandler::AddCategory. Ret:%d", ret );
+    return ret;
+    }
+
+    
+/**
+ * Registers this handler to BTrace
+ */
+EXPORT_C TInt DBTraceCategoryHandler::Register()
+    {
+    TInt ret = KErrNone;
+    
+    // Get BTrace handler
+    DTraceCoreBTraceHandler* handler = DTraceCore::GetBTraceHandler();
+    if ( handler != NULL )
+        {       
+        // Loop through all categories
+        for ( TInt i = 0; i < iCategories.Count(); i++ )
+            {
+            handler->RegisterCategoryHandler( iCategories[ i ], *this );
+            }
+        ret = KErrNone;
+        }
+    else
+        {
+        ret = KErrGeneral;
+        }
+    OstTrace1( TRACE_BORDER, DBTRACECATEGORYHANDLER_REGISTER_EXIT, "< DBTraceCategoryHandler::Register. Ret:%d", ret );
+    
+    return ret;
+    }
+    
+
+/**
+ * Unregisters this handler from BTrace
+ */    
+void DBTraceCategoryHandler::Unregister()
+    {
+    OstTrace0( TRACE_FLOW, DBTRACECATEGORYHANDLER_UNREGISTER_ENTRY, "> DBTraceCategoryHandler::Unregister");
+    // Get BTrace handler
+    DTraceCoreBTraceHandler* handler = DTraceCore::GetBTraceHandler();
+    if ( handler != NULL )
+        {
+        
+        // Loop through all categories
+        for ( TInt i = 0; i < iCategories.Count(); i++ )
+            {
+            handler->UnregisterCategoryHandler( iCategories[ i ] );
+            }
+        }
+    }
+
+
+// End of File