diff -r f65f740e69f9 -r 8e12a575a9b5 sysperfana/memspyext/com.nokia.s60tools.memspy/src/com/nokia/s60tools/memspy/export/ITraceProvider.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/memspyext/com.nokia.s60tools.memspy/src/com/nokia/s60tools/memspy/export/ITraceProvider.java	Wed Apr 21 20:01:08 2010 +0300
@@ -0,0 +1,86 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+package com.nokia.s60tools.memspy.export;
+
+/**
+ * Interface for binding external trace data providers for MemSpy.
+ * Only a single trace data provider instance at a time is supported.
+ * In case more that a single trace data providers are available 
+ * the selection among them is undeterministic.
+ */
+public interface ITraceProvider {
+	
+	/**
+	 * Connects to trace source.
+	 * @param traceClient Client to send information about changes in connectivity status and errors etc.
+	 * @return <code>true</code> on success, otherwise <code>false</code>
+	 */
+	public boolean connectTraceSource(ITraceClientNotificationsIf traceClient);
+	
+	/**
+	 * Disconnects to trace source.
+	 */
+	public void disconnectTraceSource();
+	
+	/**
+	 * Sends current usage context-specific integer data to launcher.
+	 * Integer data can contain values that can be expressed with 10 bytes
+	 * i.e. only 10 lower bytes are taken into account when setting data.
+	 * @param integerData integer data to be sent
+	 * @return <code>false</code> if failed to send integer data, otherwise <code>true</code>
+	 */
+	public boolean sendIntData(int integerData);
+	
+	/**
+	 * Sends current usage context-specific string message to launcher.
+	 * @param stringData string data to send
+	 * @return <code>true</code> on success, otherwise <code>false</code>
+	 */
+	boolean sendStringData( String stringData);
+	
+	/**
+	 * Activates trace with given group ID.
+	 * @param traceGroupID trace group ID
+	 * @return <code>true</code> on success, otherwise <code>false</code>
+	 */
+	boolean activateTrace(String traceGroupID);
+	
+	/**
+	 * Starts trace data listening
+	 * @param dataProcessor data processor that further handles trace data at MemSpy side.
+	 * @return <code>true</code> in case data processor is registered properly, otherwise <code>false</code>
+	 */
+	public boolean startListenTraceData(ITraceDataProcessor dataProcessor);
+	
+	/**
+	 * Stops trace data listening
+	 */
+	public void stopListenTraceData();
+	
+	/**
+	 * Gets preference page ID for the user trace source.
+	 * @return preference page ID for the user trace source
+	 */
+	public String getTraceSourcePreferencePageId();
+	
+	/**
+	 * Gets current connections display name.
+	 * @return current connections display name
+	 */
+	public String getDisplayNameForCurrentConnection();
+	
+}