diff -r ed1c9f64298a -r 5b9d4d8641ce trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/engine/TraceViewerInterface.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/engine/TraceViewerInterface.java	Wed Jun 23 14:49:59 2010 +0300
@@ -0,0 +1,163 @@
+/*
+ * 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 Viewer interface
+ *
+ */
+package com.nokia.traceviewer.engine;
+
+import java.util.List;
+
+/**
+ * Trace Viewer interface
+ */
+public interface TraceViewerInterface {
+
+	/**
+	 * Registers the trace view to Trace Viewer
+	 * 
+	 * @param view
+	 *            the view
+	 */
+	public void setTraceView(TraceViewerTraceViewInterface view);
+
+	/**
+	 * Registers the property view to Trace Viewer
+	 * 
+	 * @param view
+	 *            the view
+	 */
+	public void setPropertyView(TraceViewerPropertyViewInterface view);
+
+	/**
+	 * Registers dialog implementer
+	 * 
+	 * @param dialogs
+	 *            dialog implementer
+	 */
+	public void setDialogs(TraceViewerDialogInterface dialogs);
+
+	/**
+	 * Gets the dataprocessor access
+	 * 
+	 * @return dataprocessor access
+	 */
+	public DataProcessorAccess getDataProcessorAccess();
+
+	/**
+	 * Gets the datareader access
+	 * 
+	 * @return datareader access
+	 */
+	public DataReaderAccess getDataReaderAccess();
+
+	/**
+	 * Gets the connection
+	 * 
+	 * @return the connection
+	 */
+	public Connection getConnection();
+
+	/**
+	 * Sets the file handler
+	 * 
+	 * @param fileHandler
+	 *            the new file handler
+	 */
+	public void setFileHandler(TraceFileHandler fileHandler);
+
+	/**
+	 * Gets the file handler
+	 * 
+	 * @return the connection
+	 */
+	public TraceFileHandler getFileHandler();
+
+	/**
+	 * Gets the trace view
+	 * 
+	 * @return the view
+	 */
+	public TraceViewerTraceViewInterface getView();
+
+	/**
+	 * Gets the property view
+	 * 
+	 * @return the property view
+	 */
+	public TraceViewerPropertyViewInterface getPropertyView();
+
+	/**
+	 * Gets the dialogs
+	 * 
+	 * @return the dialogs
+	 */
+	public TraceViewerDialogInterface getDialogs();
+
+	/**
+	 * Gets StateHolder
+	 * 
+	 * @return the state holder
+	 */
+	public StateHolder getStateHolder();
+
+	/**
+	 * Connects to trace source using connection properties
+	 * 
+	 * @return TVAPI error code
+	 */
+	public boolean connect();
+
+	/**
+	 * Disconnects from trace source
+	 * 
+	 * @return true if disconnection succeeded, false otherwise
+	 */
+	public boolean disconnect();
+
+	/**
+	 * Controlled shutdown
+	 */
+	public void shutdown();
+
+	/**
+	 * Clears all data
+	 */
+	public void clearAllData();
+
+	/**
+	 * Reads the trace data file from the beginning. First clears the views and
+	 * then sets the data file position to the beginning of the file.
+	 */
+	public void readDataFileFromBeginning();
+
+	/**
+	 * Empties both views
+	 */
+	public void emptyViews();
+
+	/**
+	 * Get traces from the file between start and end indices. Start and end
+	 * traces are also included. Maximum number of traces to get with this
+	 * method is 5 times blocksize.
+	 * 
+	 * @param start
+	 *            the first trace to get
+	 * @param end
+	 *            the last trace to get
+	 * @return list of traces
+	 */
+	public List<TraceProperties> getTraces(int start, int end);
+}