diff -r 000000000000 -r a02c979e8dfd srcanaapps/apiquerytool/com.nokia.s60tools.apiquery/src/com/nokia/s60tools/apiquery/settings/UserSettings.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srcanaapps/apiquerytool/com.nokia.s60tools.apiquery/src/com/nokia/s60tools/apiquery/settings/UserSettings.java	Sat Jan 09 10:04:11 2010 +0530
@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2006 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.apiquery.settings;
+
+import java.util.ArrayList;
+
+import com.nokia.s60tools.apiquery.shared.searchmethod.ISearchMethodExtension;
+import com.nokia.s60tools.apiquery.shared.searchmethod.ISearchMethodExtensionInfo;
+import com.nokia.s60tools.apiquery.shared.searchmethodregistry.SearchMethodExtensionRegistry;
+import com.nokia.s60tools.util.debug.DbgUtility;
+
+
+
+
+/**
+ * Singleton class that is created on plugin
+ * startup, and is kept active as long as plugin is active.
+ * 
+ * The purpose of this class is store run-time instance
+ * of active user settings.
+ */
+public class UserSettings {
+
+	/**
+	 * Singleton instance.
+	 */
+	static private UserSettings instance = null;
+
+	/**
+	 * Currently selected search method.
+	 */
+	private ISearchMethodExtensionInfo currentlySelectedSearchMethodInfo = null;
+	
+	/**
+	 * Listeners that can be attached for listening the changes in the user settings.
+	 */
+	private ArrayList<IUserSettingsListener> settingsListeners = new ArrayList<IUserSettingsListener>();
+	
+	/**
+	 * Public Singleton instance accessor.
+	 * @return Returns instance of this singleton class-
+	 */
+	public static UserSettings getInstance(){
+		if( instance == null ){
+			instance = new UserSettings();
+		}
+		return instance;		
+	}	
+	
+	/**
+	 * Private default constructor.
+	 */
+	private UserSettings() {
+		DbgUtility.println(DbgUtility.PRIORITY_CLASS, "-- <<create>> --> " + getClass().getName()); //$NON-NLS-1$
+	}
+
+	/**
+	 * Gets the search method that is currently selected by user.
+	 * @return Returns the currentlySelectedSearchMethodInfo, or
+	 *         <code>null</code> if not set.
+	 */
+	public ISearchMethodExtensionInfo getCurrentlySelectedSearchMethodInfo() {
+		return currentlySelectedSearchMethodInfo;
+	}
+
+	/**
+	 * Gets the currently selected search method.
+	 * @return The currently selected search method.
+	 */
+	public ISearchMethodExtension getCurrentlySelectedSearchMethod() {
+		ISearchMethodExtensionInfo currSelExtInfo =  getInstance().getCurrentlySelectedSearchMethodInfo();
+		String id = currSelExtInfo.getId();
+		ISearchMethodExtension currSelExt = SearchMethodExtensionRegistry.getInstance().getById(id);
+		return currSelExt;
+	}	
+	
+	/**
+	 * Sets the search method that is currently selected by user.
+	 * @param currentlySelectedSearchMethodInfo The currentlySelectedSearchMethodInfo to set.
+	 */
+	public void setCurrentlySelectedSearchMethodInfo(
+			ISearchMethodExtensionInfo currentlySelectedSearchMethodInfo) {
+		this.currentlySelectedSearchMethodInfo = currentlySelectedSearchMethodInfo;
+		settingsChanged();
+	}
+	
+	/**
+	 * Adds a user settings listener.
+	 * @param listener Setting listener to add.
+	 */
+	public void addUserSettingListener(IUserSettingsListener listener){
+		settingsListeners.add(listener);
+	}
+	
+	/**
+	 * Removes a user settings listener.
+	 * @param listener Setting listener to remove.
+	 */
+	public void removeUserSettingListener(IUserSettingsListener listener){
+		settingsListeners.remove(listener);
+	}
+	
+	/**
+	 * Notifies listeners that the settings has been changed.
+	 */
+	public void settingsChanged(){
+		for (IUserSettingsListener listener : settingsListeners) {
+			listener.userSettingsChanged();
+		}
+	}
+}