diff -r a151135b0cf9 -r aa2539c91954 tracesrv/tracecore/btrace_handler/inc/TraceCorePrintfTraceHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecore/btrace_handler/inc/TraceCorePrintfTraceHandler.h	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,124 @@
+// 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:
+// Handler implementation for ascii printf
+//
+
+#ifndef __TRACECOREPRINTFTRACEHANDLER_H__
+#define __TRACECOREPRINTFTRACEHANDLER_H__
+
+
+// Include files
+#include <kernel/kernel.h>
+#include <TraceCoreNotificationReceiver.h>
+#include "TraceCoreHandler.h"
+
+
+// Forward declarations
+class DTraceCoreWriter;
+class DTraceCoreSettings;
+
+
+/**
+ * Handler implementation for ascii printf
+ */
+NONSHARABLE_CLASS( DTraceCorePrintfTraceHandler ) : public MTraceCoreNotificationReceiver, 
+													public DTraceCoreHandler
+		                                                   
+    {
+public:
+
+	/**
+     * Constructor
+     */
+    DTraceCorePrintfTraceHandler();
+    
+    /**
+     * Destructor
+     */
+    ~DTraceCorePrintfTraceHandler();
+    
+    /**
+     * Initializes this handler
+     */
+    TInt Init();
+    
+    /**
+     * Prepares the change in writer
+     * 
+     * @param aWriter the new writer
+     */
+    void PrepareSetWriter( DTraceCoreWriter* aWriter );
+  
+    /**
+     * Kern/RDebug::Printf handler function
+     */
+    static TBool PrintfHandler( const TDesC8& aText, TTraceSource aTraceSource );
+    
+    /**
+     * Callback function for Trace Activation
+     * from MTraceCoreNotificationReceiver
+     * 
+     * @param aComponentId
+     * @param aGroupId
+     * @return None          
+     */
+    void TraceActivated( TUint32 aComponentId, TUint16 aGroupId  );
+    
+    /**
+     * Callback function for Trace Deactivation
+     * from MTraceCoreNotificationReceiver
+     * 
+     * @param aComponentId
+     * @param aGroupId
+     * @return None     
+     */
+    void TraceDeactivated( TUint32 aComponentId, TUint16 aGroupId  );
+    
+private:
+    
+    /**
+     * Checks if there is a dropped trace and sends dropped trace message and
+     * normal trace as well if writer is ready to write that data.
+     *
+     * @param aHandler Printf trace handler
+     */
+    inline static void HandleTrace(const TDesC8& aText);    
+
+    /**
+     * Trace output function
+     */
+	void DebugPrint( const TDesC8& aDes );
+    
+    /**
+     * Static instance, accessed from the printf trace handler callback
+     */
+    static DTraceCorePrintfTraceHandler* iInstance;
+    
+    /**
+     * Printf trace handler
+     */
+    TBool ( *iPrintfHandler )( const TDesC8&, TTraceSource );
+    
+    /**
+	 * State of the Printf activations
+ 	 */
+	static TBool iKernPrintfActive;
+	static TBool iRDebugPrintfActive;
+	static TBool iPlatSecPrintfActive;
+
+    };
+
+#endif
+
+// End of File