### Eclipse Workspace Patch 1.0
#P org.eclipse.mylyn.tasks.core
Index: META-INF/MANIFEST.MF
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.core/META-INF/MANIFEST.MF,v
retrieving revision 1.365
diff -u -r1.365 MANIFEST.MF
--- META-INF/MANIFEST.MF	11 Apr 2010 19:49:55 -0000	1.365
+++ META-INF/MANIFEST.MF	22 May 2010 21:42:06 -0000
@@ -14,6 +14,7 @@
  org.eclipse.mylyn.internal.tasks.core;x-friends:="org.eclipse.mylyn.tasks.ui,org.eclipse.mylyn.tasks.bugs",
  org.eclipse.mylyn.internal.tasks.core.data;x-friends:="org.eclipse.mylyn.tasks.ui,org.eclipse.mylyn.tasks.bugs",
  org.eclipse.mylyn.internal.tasks.core.externalization;x-friends:="org.eclipse.mylyn.tasks.ui,org.eclipse.mylyn.tasks.bugs",
+ org.eclipse.mylyn.internal.tasks.core.servicemessage,
  org.eclipse.mylyn.internal.tasks.core.sync;x-friends:="org.eclipse.mylyn.tasks.ui,org.eclipse.mylyn.tasks.bugs",
  org.eclipse.mylyn.tasks.core,
  org.eclipse.mylyn.tasks.core.data,
Index: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageXmlHandler.java
===================================================================
RCS file: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageXmlHandler.java
diff -N src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageXmlHandler.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageXmlHandler.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,73 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.core.servicemessage;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+public class ServiceMessageXmlHandler extends DefaultHandler {
+
+	private StringBuilder characters;
+
+	private final ServiceMessage message = new ServiceMessage();
+
+	@Override
+	public void characters(char[] ch, int start, int length) throws SAXException {
+		characters.append(ch, start, length);
+	}
+
+	@Override
+	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
+		characters = new StringBuilder();
+	}
+
+	@Override
+	public void endElement(String uri, String localName, String qName) throws SAXException {
+
+		String parsedText = characters.toString();
+		ServiceMessage.Element element;
+		try {
+			element = ServiceMessage.Element.valueOf(qName.trim());
+			switch (element) {
+			case id:
+				message.setId(parsedText);
+				break;
+			case description:
+				message.setDescription(parsedText);
+				break;
+			case title:
+				message.setTitle(parsedText);
+				break;
+			case url:
+				message.setUrl(parsedText);
+				break;
+			case image:
+				message.setImage(parsedText);
+				break;
+			case mylynVersion:
+				message.setMylynVersion(parsedText);
+				break;
+			}
+		} catch (RuntimeException e) {
+			if (e instanceof IllegalArgumentException) {
+				// ignore unrecognized elements
+				return;
+			}
+			throw e;
+		}
+	}
+
+	public ServiceMessage getMessage() {
+		return message;
+	}
+}
Index: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageManager.java
===================================================================
RCS file: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageManager.java
diff -N src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageManager.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessageManager.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,208 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2008 Tasktop Technologies.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Tasktop EULA
+ * which accompanies this distribution, and is available at
+ * http://tasktop.com/legal
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.core.servicemessage;
+
+import java.io.InputStream;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import org.apache.commons.httpclient.Header;
+import org.apache.commons.httpclient.HostConfiguration;
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.commons.httpclient.methods.GetMethod;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.SubProgressMonitor;
+import org.eclipse.core.runtime.jobs.IJobChangeEvent;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.core.runtime.jobs.JobChangeAdapter;
+import org.eclipse.mylyn.commons.core.StatusHandler;
+import org.eclipse.mylyn.commons.net.AbstractWebLocation;
+import org.eclipse.mylyn.commons.net.WebLocation;
+import org.eclipse.mylyn.commons.net.WebUtil;
+import org.eclipse.mylyn.internal.tasks.core.ITasksCoreConstants;
+
+// Todo: use Last-Modified and ETag headers
+public class ServiceMessageManager {
+
+	protected static final long START_DELAY = 30 * 1000;
+
+	protected static final long RECHECK_DELAY = 2 * 60 * 60 * 1000;
+
+	private static final String USER_AGENT = "MylynServiceMessageManager"; //$NON-NLS-1$
+
+	private String serviceMessageUrl;
+
+	private ServiceMessage currentMessage = null;
+
+	private Job messageCheckJob;
+
+	private final Set<IServiceMessageListener> listeners = new HashSet<IServiceMessageListener>();
+
+	private final HttpClient httpClient = new HttpClient(WebUtil.getConnectionManager());
+
+	private String lastModified;
+
+	private String eTag;
+
+	private int status;
+
+	public ServiceMessageManager(String serviceMessageUrl, String lastModified, String eTag) {
+
+		this.serviceMessageUrl = serviceMessageUrl;
+
+		this.lastModified = lastModified;
+
+		this.eTag = eTag;
+
+		WebUtil.configureHttpClient(httpClient, USER_AGENT);
+
+	}
+
+	public void start() {
+		if (messageCheckJob == null) {
+			messageCheckJob = new Job("Checking for new service message") { //$NON-NLS-1$
+				@Override
+				protected IStatus run(IProgressMonitor monitor) {
+
+					updateServiceMessage(monitor);
+
+					return Status.OK_STATUS;
+				}
+
+			};
+			messageCheckJob.setSystem(true);
+			messageCheckJob.setPriority(Job.DECORATE);
+			messageCheckJob.addJobChangeListener(new JobChangeAdapter() {
+				@Override
+				public void done(IJobChangeEvent event) {
+					if (messageCheckJob != null) {
+						messageCheckJob.schedule(RECHECK_DELAY);
+					}
+				}
+			});
+		}
+		messageCheckJob.schedule(START_DELAY);
+	}
+
+	public void stop() {
+		notifyListeners(null);
+		if (messageCheckJob != null) {
+			messageCheckJob.cancel();
+			messageCheckJob = null;
+		}
+	}
+
+	public void setServiceMessageUrl(String url) {
+		this.serviceMessageUrl = url;
+	}
+
+	public void addServiceMessageListener(IServiceMessageListener listener) {
+		listeners.add(listener);
+	}
+
+	public void removeServiceMessageListener(IServiceMessageListener listener) {
+		listeners.remove(listener);
+	}
+
+	private void notifyListeners(ServiceMessage message) {
+		for (IServiceMessageListener listener : listeners) {
+			listener.setServiceMessage(message);
+		}
+	}
+
+	public ServiceMessage getServiceMessage() {
+		return currentMessage;
+	}
+
+	/**
+	 * Public for testing
+	 */
+	public void updateServiceMessage(IProgressMonitor monitor) {
+		GetMethod getMethod = null;
+		try {
+
+			HostConfiguration hostConfiguration = null;
+			AbstractWebLocation location = null;
+
+			location = new WebLocation(serviceMessageUrl);
+			hostConfiguration = WebUtil.createHostConfiguration(httpClient, location,
+					new SubProgressMonitor(monitor, 1));
+
+			getMethod = new GetMethod(serviceMessageUrl);
+
+			getMethod.setRequestHeader("If-Modified-Since", lastModified); //$NON-NLS-1$
+			getMethod.setRequestHeader("If-None-Match", eTag); //$NON-NLS-1$
+
+			httpClient.getHttpConnectionManager().getParams().setSoTimeout(WebUtil.getConnectionTimeout());
+
+			status = WebUtil.execute(httpClient, hostConfiguration, getMethod, monitor);
+
+			if (status == HttpStatus.SC_OK) {
+				Header lastModifiedHeader = getMethod.getResponseHeader("Last-Modified"); //$NON-NLS-1$
+				if (lastModifiedHeader != null) {
+					lastModified = lastModifiedHeader.getValue();
+				}
+				Header eTagHeader = getMethod.getResponseHeader("ETag"); //$NON-NLS-1$
+				if (eTagHeader != null) {
+					eTag = eTagHeader.getValue();
+				}
+
+				InputStream in = WebUtil.getResponseBodyAsStream(getMethod, monitor);
+				ServiceMessage message;
+				if (getMethod.getResponseHeader("Content-Length").getValue().equals("0")) { //$NON-NLS-1$ //$NON-NLS-2$
+					message = new ServiceMessage();
+					message.setId("-1"); //$NON-NLS-1$
+				} else {
+					ServiceMessageXmlHandler handler = new ServiceMessageXmlHandler();
+					try {
+						SAXParserFactory factory = SAXParserFactory.newInstance();
+						factory.setValidating(false);
+						SAXParser parser = factory.newSAXParser();
+						parser.parse(in, handler);
+					} finally {
+						in.close();
+					}
+
+					message = handler.getMessage();
+				}
+				if (message.getId() != null) {
+					currentMessage = message;
+					currentMessage.setETag(eTag);
+					currentMessage.setLastModified(lastModified);
+					notifyListeners(message);
+				}
+			} else if (status == HttpStatus.SC_NOT_MODIFIED) {
+			} else {
+				StatusHandler.log(new Status(IStatus.WARNING, ITasksCoreConstants.ID_PLUGIN,
+						"Http error retrieving service message: " + HttpStatus.getStatusText(status))); //$NON-NLS-1$
+			}
+		} catch (Exception e) {
+			StatusHandler.log(new Status(IStatus.WARNING, ITasksCoreConstants.ID_PLUGIN,
+					"Http error retrieving service message.", e)); //$NON-NLS-1$
+		} finally {
+			try {
+				if (getMethod != null) {
+					getMethod.releaseConnection();
+				}
+			} catch (Throwable t) {
+				// ignore
+			}
+		}
+	}
+
+	public int getStatus() {
+		return status;
+	}
+}
Index: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/IServiceMessageListener.java
===================================================================
RCS file: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/IServiceMessageListener.java
diff -N src/org/eclipse/mylyn/internal/tasks/core/servicemessage/IServiceMessageListener.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/internal/tasks/core/servicemessage/IServiceMessageListener.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,18 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.core.servicemessage;
+
+public interface IServiceMessageListener {
+
+	public void setServiceMessage(ServiceMessage message);
+
+}
Index: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessage.java
===================================================================
RCS file: src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessage.java
diff -N src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessage.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/internal/tasks/core/servicemessage/ServiceMessage.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,100 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.core.servicemessage;
+
+public class ServiceMessage {
+
+	public enum Element {
+		id, title, description, url, image, mylynVersion
+	};
+
+	private String id;
+
+	private String title;
+
+	private String description;
+
+	private String url;
+
+	private String image;
+
+	private String mylynVersion;
+
+	private String eTag;
+
+	private String lastModified;
+
+	public String getId() {
+		return id;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public String getDescription() {
+		return description;
+	}
+
+	public String getUrl() {
+		return url;
+	}
+
+	public String getImage() {
+		return image;
+	}
+
+	public void setETag(String eTag) {
+		this.eTag = eTag;
+	}
+
+	public void setLastModified(String lastModified) {
+		this.lastModified = lastModified;
+	}
+
+	public String getETag() {
+		return eTag;
+	}
+
+	public String getLastModified() {
+		return lastModified;
+	}
+
+	public String getMylynVersion() {
+		return mylynVersion;
+	}
+
+	public void setId(String id) {
+		this.id = id;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public void setDescription(String description) {
+		this.description = description;
+	}
+
+	public void setUrl(String url) {
+		this.url = url;
+	}
+
+	public void setImage(String image) {
+		this.image = image;
+	}
+
+	public void setMylynVersion(String mylynVersion) {
+		this.mylynVersion = mylynVersion;
+	}
+
+}
#P org.eclipse.mylyn.tasks.tests
Index: src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java,v
retrieving revision 1.87
diff -u -r1.87 AllTasksTests.java
--- src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java	4 Mar 2010 18:41:15 -0000	1.87
+++ src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java	22 May 2010 21:42:06 -0000
@@ -30,6 +30,7 @@
 import org.eclipse.mylyn.tasks.tests.ui.editor.RepositoryCompletionProcessorTest;
 import org.eclipse.mylyn.tasks.tests.ui.editor.TaskEditorPartDescriptorTest;
 import org.eclipse.mylyn.tasks.tests.ui.editor.TaskUrlHyperlinkDetectorTest;
+import org.eclipse.mylyn.tasks.tests.util.ServiceMessageManagerTest;
 
 /**
  * @author Mik Kersten
@@ -102,6 +103,7 @@
 		suite.addTestSuite(PlanningPartTest.class);
 		suite.addTestSuite(RepositoryCompletionProcessorTest.class);
 		suite.addTestSuite(TaskAttributeDiffTest.class);
+		suite.addTestSuite(ServiceMessageManagerTest.class);
 		// XXX long running tests, put back?
 		//suite.addTestSuite(QueryExportImportTest.class);
 		//suite.addTestSuite(BackgroundSaveTest.class);
Index: src/org/eclipse/mylyn/tasks/tests/util/ServiceMessageManagerTest.java
===================================================================
RCS file: src/org/eclipse/mylyn/tasks/tests/util/ServiceMessageManagerTest.java
diff -N src/org/eclipse/mylyn/tasks/tests/util/ServiceMessageManagerTest.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/tasks/tests/util/ServiceMessageManagerTest.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,101 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.tasks.tests.util;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import junit.framework.TestCase;
+
+import org.apache.commons.httpclient.HttpStatus;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.mylyn.internal.tasks.core.servicemessage.ServiceMessage;
+import org.eclipse.mylyn.internal.tasks.core.servicemessage.ServiceMessageManager;
+import org.eclipse.mylyn.internal.tasks.core.servicemessage.ServiceMessageXmlHandler;
+import org.eclipse.mylyn.internal.tasks.ui.notifications.MylynVersion;
+
+/**
+ * @author Robert Elves
+ */
+public class ServiceMessageManagerTest extends TestCase {
+
+	private static final String MESSAGE_XML_URL = "http://eclipse.org/mylyn/messageTest.xml";
+
+	public void testRetrievingMessage() throws Exception {
+		ServiceMessageManager manager = new ServiceMessageManager(MESSAGE_XML_URL, "", "");
+		manager.updateServiceMessage(new NullProgressMonitor());
+		assertEquals(HttpStatus.SC_OK, manager.getStatus());
+		ServiceMessage message = manager.getServiceMessage();
+
+		assertEquals("1", message.getId());
+		assertEquals("140 character description here....", message.getDescription());
+		assertEquals("Mylyn 3.4 now available!", message.getTitle());
+		assertEquals("http://eclipse.org/mylyn/downloads", message.getUrl());
+		assertEquals("Mylyn 3.4 now available!", message.getTitle());
+		assertEquals("dialog_messasge_info_image", message.getImage());
+	}
+
+	public void testETag() throws Exception {
+
+		ServiceMessageManager manager = new ServiceMessageManager(MESSAGE_XML_URL, "", "");
+		manager.updateServiceMessage(new NullProgressMonitor());
+		assertEquals(HttpStatus.SC_OK, manager.getStatus());
+		ServiceMessage message = manager.getServiceMessage();
+
+		assertNotNull(message.getLastModified());
+		assertNotNull(message.getETag());
+
+		assertEquals(HttpStatus.SC_OK, manager.getStatus());
+
+		manager.updateServiceMessage(new NullProgressMonitor());
+		assertEquals(HttpStatus.SC_NOT_MODIFIED, manager.getStatus());
+	}
+
+	public void testParsingMessageXml() throws Exception {
+		String messageXml = "<ServiceMessage> <id>1</id><description>140 character description here....</description><title>Mylyn 3.4 now available!</title><url>http://eclipse.org/mylyn/downloads</url><image>dialog_messasge_info_image</image></ServiceMessage>";
+		InputStream is = new ByteArrayInputStream(messageXml.getBytes("UTF-8"));
+		SAXParserFactory factory = SAXParserFactory.newInstance();
+		factory.setValidating(false);
+		SAXParser parser = factory.newSAXParser();
+		ServiceMessageXmlHandler handler = new ServiceMessageXmlHandler();
+		parser.parse(is, handler);
+		ServiceMessage message = handler.getMessage();
+
+		assertEquals("1", message.getId());
+		assertEquals("140 character description here....", message.getDescription());
+		assertEquals("Mylyn 3.4 now available!", message.getTitle());
+		assertEquals("http://eclipse.org/mylyn/downloads", message.getUrl());
+		assertEquals("Mylyn 3.4 now available!", message.getTitle());
+		assertEquals("dialog_messasge_info_image", message.getImage());
+	}
+
+	public void testMylynVersion() {
+		MylynVersion v1 = new MylynVersion("3.4.0.I20100521-1600-e3x");
+		MylynVersion v2 = new MylynVersion("3.4.0.v20100521-1600-e3x");
+		assertTrue(v1.compareTo(v2) < 0);
+
+		MylynVersion v3 = new MylynVersion("3.4.0");
+		MylynVersion v4 = new MylynVersion("3.4.0.I20100521-1600-e3x");
+		assertTrue(v3.compareTo(v4) < 0);
+
+		v1 = new MylynVersion("3.5.0");
+		v2 = new MylynVersion("3.4.0.I20100521-1600-e3x");
+		assertTrue(v1.compareTo(v2) > 0);
+
+		v1 = new MylynVersion("3.5.0");
+		v2 = new MylynVersion("3.5.0");
+		assertTrue(v1.compareTo(v2) == 0);
+	}
+}
#P org.eclipse.mylyn.tasks.ui
Index: src/org/eclipse/mylyn/internal/tasks/ui/preferences/Messages.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/preferences/Messages.java,v
retrieving revision 1.6
diff -u -r1.6 Messages.java
--- src/org/eclipse/mylyn/internal/tasks/ui/preferences/Messages.java	3 Apr 2010 06:10:03 -0000	1.6
+++ src/org/eclipse/mylyn/internal/tasks/ui/preferences/Messages.java	22 May 2010 21:42:07 -0000
@@ -63,6 +63,8 @@
 
 	public static String TasksUiPreferencePage_See_X_for_configuring_Task_List_colors;
 
+	public static String TasksUiPreferencePage_show_service_messages;
+
 	public static String TasksUiPreferencePage_Show_tooltip_on_hover_Label;
 
 	public static String TasksUiPreferencePage_Specify_the_folder_for_tasks;
Index: src/org/eclipse/mylyn/internal/tasks/ui/preferences/TasksUiPreferencePage.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/preferences/TasksUiPreferencePage.java,v
retrieving revision 1.41
diff -u -r1.41 TasksUiPreferencePage.java
--- src/org/eclipse/mylyn/internal/tasks/ui/preferences/TasksUiPreferencePage.java	26 Feb 2010 04:07:20 -0000	1.41
+++ src/org/eclipse/mylyn/internal/tasks/ui/preferences/TasksUiPreferencePage.java	22 May 2010 21:42:07 -0000
@@ -23,7 +23,6 @@
 import org.eclipse.mylyn.commons.core.StatusHandler;
 import org.eclipse.mylyn.internal.monitor.ui.ActivityContextManager;
 import org.eclipse.mylyn.internal.monitor.ui.MonitorUiPlugin;
-import org.eclipse.mylyn.internal.provisional.commons.core.CommonMessages;
 import org.eclipse.mylyn.internal.provisional.commons.ui.CommonColors;
 import org.eclipse.mylyn.internal.tasks.ui.ITasksUiPreferenceConstants;
 import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
@@ -109,6 +108,8 @@
 
 	private Button taskListTooltipEnabledButton;
 
+	private Button taskListServiceMessageEnabledButton;
+
 	public TasksUiPreferencePage() {
 		super();
 		setPreferenceStore(TasksUiPlugin.getDefault().getPreferenceStore());
@@ -208,6 +209,9 @@
 		getPreferenceStore().setValue(ITasksUiPreferenceConstants.TASK_LIST_TOOL_TIPS_ENABLED,
 				taskListTooltipEnabledButton.getSelection());
 
+		getPreferenceStore().setValue(ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED,
+				taskListServiceMessageEnabledButton.getSelection());
+
 		getPreferenceStore().setValue(ITasksUiPreferenceConstants.WEEK_START_DAY, getWeekStartValue());
 		//getPreferenceStore().setValue(TasksUiPreferenceConstants.PLANNING_STARTHOUR, hourDayStart.getSelection());
 //		getPreferenceStore().setValue(TasksUiPreferenceConstants.PLANNING_ENDHOUR, hourDayEnd.getSelection());
@@ -276,6 +280,9 @@
 		taskListTooltipEnabledButton.setSelection(getPreferenceStore().getBoolean(
 				ITasksUiPreferenceConstants.TASK_LIST_TOOL_TIPS_ENABLED));
 
+		taskListServiceMessageEnabledButton.setSelection(getPreferenceStore().getBoolean(
+				ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED));
+
 		weekStartCombo.select(getPreferenceStore().getInt(ITasksUiPreferenceConstants.WEEK_START_DAY) - 1);
 		//hourDayStart.setSelection(getPreferenceStore().getInt(TasksUiPreferenceConstants.PLANNING_STARTHOUR));
 //		hourDayEnd.setSelection(getPreferenceStore().getInt(TasksUiPreferenceConstants.PLANNING_ENDHOUR));
@@ -310,6 +317,9 @@
 		taskListTooltipEnabledButton.setSelection(getPreferenceStore().getDefaultBoolean(
 				ITasksUiPreferenceConstants.TASK_LIST_TOOL_TIPS_ENABLED));
 
+		taskListServiceMessageEnabledButton.setSelection(getPreferenceStore().getDefaultBoolean(
+				ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED));
+
 		// synchQueries.setSelection(getPreferenceStore().getDefaultBoolean(
 		// TaskListPreferenceConstants.REPOSITORY_SYNCH_ON_STARTUP));
 		enableBackgroundSynch.setSelection(getPreferenceStore().getDefaultBoolean(
@@ -459,13 +469,13 @@
 //		weekStartCombo.add(LABEL_SUNDAY);
 //		weekStartCombo.add(LABEL_MONDAY);
 //		weekStartCombo.add(LABEL_SATURDAY);
-		weekStartCombo.add(CommonMessages.Sunday);
-		weekStartCombo.add(CommonMessages.Monday);
-		weekStartCombo.add(CommonMessages.Tuesday);
-		weekStartCombo.add(CommonMessages.Wednesday);
-		weekStartCombo.add(CommonMessages.Thursday);
-		weekStartCombo.add(CommonMessages.Friday);
-		weekStartCombo.add(CommonMessages.Saturday);
+		weekStartCombo.add(""); //$NON-NLS-1$
+		weekStartCombo.add(""); //$NON-NLS-1$
+		weekStartCombo.add(""); //$NON-NLS-1$
+		weekStartCombo.add(""); //$NON-NLS-1$
+		weekStartCombo.add(""); //$NON-NLS-1$
+		weekStartCombo.add(""); //$NON-NLS-1$
+		weekStartCombo.add(""); //$NON-NLS-1$
 		weekStartCombo.select(getPreferenceStore().getInt(ITasksUiPreferenceConstants.WEEK_START_DAY) - 1);
 
 	}
@@ -480,6 +490,11 @@
 		taskListTooltipEnabledButton.setText(Messages.TasksUiPreferencePage_Show_tooltip_on_hover_Label);
 		taskListTooltipEnabledButton.setSelection(getPreferenceStore().getBoolean(
 				ITasksUiPreferenceConstants.TASK_LIST_TOOL_TIPS_ENABLED));
+
+		taskListServiceMessageEnabledButton = new Button(group, SWT.CHECK);
+		taskListServiceMessageEnabledButton.setText(Messages.TasksUiPreferencePage_show_service_messages);
+		taskListServiceMessageEnabledButton.setSelection(getPreferenceStore().getBoolean(
+				ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED));
 	}
 
 	private void createTaskActivityGroup(Composite container) {
Index: src/org/eclipse/mylyn/internal/tasks/ui/preferences/messages.properties
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/preferences/messages.properties,v
retrieving revision 1.10
diff -u -r1.10 messages.properties
--- src/org/eclipse/mylyn/internal/tasks/ui/preferences/messages.properties	3 Apr 2010 06:10:03 -0000	1.10
+++ src/org/eclipse/mylyn/internal/tasks/ui/preferences/messages.properties	22 May 2010 21:42:07 -0000
@@ -27,6 +27,7 @@
 TasksUiPreferencePage_Rich_Editor__Recommended_=Rich Editor (Recommended)
 TasksUiPreferencePage_Scheduling=Scheduling
 TasksUiPreferencePage_See_X_for_configuring_Task_List_colors=See <a>''{0}''</a> for configuring Task List colors.
+TasksUiPreferencePage_show_service_messages=Show service messages
 TasksUiPreferencePage_Show_tooltip_on_hover_Label=Show task overview popups on hover
 TasksUiPreferencePage_Specify_the_folder_for_tasks=Specify the folder for tasks
 TasksUiPreferencePage_Stop_time_accumulation_after=Stop time accumulation after
Index: src/org/eclipse/mylyn/internal/tasks/ui/ITasksUiPreferenceConstants.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/ITasksUiPreferenceConstants.java,v
retrieving revision 1.12
diff -u -r1.12 ITasksUiPreferenceConstants.java
--- src/org/eclipse/mylyn/internal/tasks/ui/ITasksUiPreferenceConstants.java	15 Jan 2010 02:02:58 -0000	1.12
+++ src/org/eclipse/mylyn/internal/tasks/ui/ITasksUiPreferenceConstants.java	22 May 2010 21:42:07 -0000
@@ -52,6 +52,8 @@
 
 	public static final String NOTIFICATIONS_ENABLED = "org.eclipse.mylyn.tasks.ui.notifications.enabled"; //$NON-NLS-1$
 
+	public static final String SERVICE_MESSAGES_ENABLED = "org.eclipse.mylyn.tasks.ui.messages.enabled"; //$NON-NLS-1$
+
 	public static final String WEEK_START_DAY = "org.eclipse.mylyn.tasks.ui.planning.week.start.day"; //$NON-NLS-1$
 
 	public static final String PLANNING_ENDHOUR = "org.eclipse.mylyn.tasks.ui.planning.end.hour"; //$NON-NLS-1$
@@ -87,4 +89,12 @@
 	public static final String PREF_DATA_DIR = "org.eclipse.mylyn.data.dir"; //$NON-NLS-1$
 
 	public static final String DEFAULT_ATTACHMENTS_DIRECTORY = "org.eclipse.mylyn.tasks.ui.attachments.defaultDirectory"; //$NON-NLS-1$
+
+	public static final String SERVICE_MESSAGE_URL = "org.eclipse.mylyn.tasks.ui.servicemessage.url"; //$NON-NLS-1$;
+
+	public static final String LAST_SERVICE_MESSAGE_ID = "org.eclipse.mylyn.tasks.ui.servicemessage.id"; //$NON-NLS-1$
+
+	public static final String LAST_SERVICE_MESSAGE_ETAG = "org.eclipse.mylyn.tasks.ui.servicemessage.etag"; //$NON-NLS-1$
+
+	public static final String LAST_SERVICE_MESSAGE_LAST_MODIFIED = "org.eclipse.mylyn.tasks.ui.servicemessage.lastmodified"; //$NON-NLS-1$
 }
Index: src/org/eclipse/mylyn/internal/tasks/ui/TasksUiPlugin.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/TasksUiPlugin.java,v
retrieving revision 1.131
diff -u -r1.131 TasksUiPlugin.java
--- src/org/eclipse/mylyn/internal/tasks/ui/TasksUiPlugin.java	5 Feb 2010 01:12:35 -0000	1.131
+++ src/org/eclipse/mylyn/internal/tasks/ui/TasksUiPlugin.java	22 May 2010 21:42:07 -0000
@@ -77,6 +77,7 @@
 import org.eclipse.mylyn.internal.tasks.core.externalization.IExternalizationParticipant;
 import org.eclipse.mylyn.internal.tasks.core.externalization.TaskListExternalizationParticipant;
 import org.eclipse.mylyn.internal.tasks.core.externalization.TaskListExternalizer;
+import org.eclipse.mylyn.internal.tasks.core.servicemessage.ServiceMessageManager;
 import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskListNotificationReminder;
 import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskListNotifier;
 import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiExtensionReader;
@@ -149,6 +150,8 @@
 
 	private RepositoryTemplateManager repositoryTemplateManager;
 
+	private ServiceMessageManager serviceMessageManager;
+
 	private final Set<AbstractTaskEditorPageFactory> taskEditorPageFactories = new HashSet<AbstractTaskEditorPageFactory>();
 
 	private final TreeSet<AbstractTaskRepositoryLinkProvider> repositoryLinkProviders = new TreeSet<AbstractTaskRepositoryLinkProvider>(
@@ -343,6 +346,15 @@
 					|| event.getProperty().equals(ITasksUiPreferenceConstants.REPOSITORY_SYNCH_SCHEDULE_MILISECONDS)) {
 				updateSynchronizationScheduler(false);
 			}
+
+			// TODO: ROB
+			if (event.getProperty().equals(ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED)) {
+				if (getPreferenceStore().getBoolean(ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED)) {
+					serviceMessageManager.start();
+				} else {
+					serviceMessageManager.stop();
+				}
+			}
 		}
 	};
 
@@ -605,6 +617,17 @@
 			// make this available early for clients that are not initialized through tasks ui but need access 
 			taskListNotificationManager = new TaskListNotificationManager();
 
+			String lastMod = getPreferenceStore().getString(
+					ITasksUiPreferenceConstants.LAST_SERVICE_MESSAGE_LAST_MODIFIED);
+			String etag = getPreferenceStore().getString(ITasksUiPreferenceConstants.LAST_SERVICE_MESSAGE_ETAG);
+
+			serviceMessageManager = new ServiceMessageManager(getPreferenceStore().getString(
+					ITasksUiPreferenceConstants.SERVICE_MESSAGE_URL), lastMod, etag);
+
+			if (getPreferenceStore().getBoolean(ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED)) {
+				serviceMessageManager.start();
+			}
+
 			// trigger lazy initialization
 			new TasksUiInitializationJob().schedule();
 		} catch (Exception e) {
@@ -727,6 +750,7 @@
 //					ContextCorePlugin.getDefault().getPluginPreferences().removePropertyChangeListener(
 //							PREFERENCE_LISTENER);
 //				}
+				serviceMessageManager.stop();
 				taskEditorBloatManager.dispose(PlatformUI.getWorkbench());
 				INSTANCE = null;
 			}
@@ -868,6 +892,7 @@
 		store.setDefault(ITasksUiPreferenceConstants.PREF_DATA_DIR, getDefaultDataDirectory());
 		store.setDefault(ITasksUiPreferenceConstants.GROUP_SUBTASKS, true);
 		store.setDefault(ITasksUiPreferenceConstants.NOTIFICATIONS_ENABLED, true);
+		store.setDefault(ITasksUiPreferenceConstants.SERVICE_MESSAGES_ENABLED, true);
 		store.setDefault(ITasksUiPreferenceConstants.FILTER_PRIORITY, PriorityLevel.P5.toString());
 		store.setDefault(ITasksUiPreferenceConstants.EDITOR_TASKS_RICH, true);
 		store.setDefault(ITasksUiPreferenceConstants.EDITOR_CURRENT_LINE_HIGHLIGHT, false);
@@ -894,6 +919,8 @@
 
 		store.setDefault(ITasksUiPreferenceConstants.AUTO_EXPAND_TASK_LIST, true);
 		store.setDefault(ITasksUiPreferenceConstants.TASK_LIST_TOOL_TIPS_ENABLED, true);
+
+		store.setDefault(ITasksUiPreferenceConstants.SERVICE_MESSAGE_URL, "http://eclipse.org/mylyn/message.xml"); //$NON-NLS-1$
 	}
 
 	public static TaskActivityManager getTaskActivityManager() {
@@ -1306,4 +1333,8 @@
 		}
 	}
 
+	public ServiceMessageManager getServiceMessageManager() {
+		return serviceMessageManager;
+	}
+
 }
Index: src/org/eclipse/mylyn/internal/tasks/ui/views/TaskListView.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/views/TaskListView.java,v
retrieving revision 1.338
diff -u -r1.338 TaskListView.java
--- src/org/eclipse/mylyn/internal/tasks/ui/views/TaskListView.java	26 Apr 2010 17:37:32 -0000	1.338
+++ src/org/eclipse/mylyn/internal/tasks/ui/views/TaskListView.java	22 May 2010 21:42:07 -0000
@@ -86,6 +86,7 @@
 import org.eclipse.mylyn.internal.tasks.ui.actions.TaskListSortAction;
 import org.eclipse.mylyn.internal.tasks.ui.actions.TaskListViewActionGroup;
 import org.eclipse.mylyn.internal.tasks.ui.editors.TaskListChangeAdapter;
+import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskListServiceMessageControl;
 import org.eclipse.mylyn.internal.tasks.ui.util.PlatformUtil;
 import org.eclipse.mylyn.internal.tasks.ui.util.SortCriterion;
 import org.eclipse.mylyn.internal.tasks.ui.util.TaskDragSourceListener;
@@ -131,6 +132,7 @@
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Menu;
 import org.eclipse.swt.widgets.Text;
@@ -390,6 +392,8 @@
 
 	private CustomTaskListDecorationDrawer customDrawer;
 
+	private TaskListServiceMessageControl serviceMessageControl;
+
 	private final IPageListener PAGE_LISTENER = new IPageListener() {
 		public void pageActivated(IWorkbenchPage page) {
 			filteredTree.indicateActiveTaskWorkingSet();
@@ -730,6 +734,16 @@
 
 	@Override
 	public void createPartControl(Composite parent) {
+
+		Composite body = new Composite(parent, SWT.NONE);
+		GridLayout layout = new GridLayout(1, false);
+		layout.marginHeight = 0;
+		layout.marginWidth = 0;
+		layout.horizontalSpacing = 0;
+		layout.verticalSpacing = 0;
+		layout.numColumns = 1;
+		body.setLayout(layout);
+
 		IWorkbenchSiteProgressService progress = (IWorkbenchSiteProgressService) getSite().getAdapter(
 				IWorkbenchSiteProgressService.class);
 		if (progress != null) {
@@ -743,7 +757,7 @@
 		themeManager = getSite().getWorkbenchWindow().getWorkbench().getThemeManager();
 		themeManager.addPropertyChangeListener(THEME_CHANGE_LISTENER);
 
-		filteredTree = new TaskListFilteredTree(parent, SWT.MULTI | SWT.VERTICAL | /* SWT.H_SCROLL | */SWT.V_SCROLL
+		filteredTree = new TaskListFilteredTree(body, SWT.MULTI | SWT.VERTICAL | /* SWT.H_SCROLL | */SWT.V_SCROLL
 				| SWT.NO_SCROLL | SWT.FULL_SELECTION, new SubstringPatternFilter(), getViewSite().getWorkbenchWindow());
 
 		// need to do initialize tooltip early for native tooltip disablement to take effect
@@ -922,6 +936,11 @@
 		TasksUiInternal.getTaskList().addChangeListener(TASKLIST_CHANGE_LISTENER);
 
 		TasksUiPlugin.getDefault().getPreferenceStore().addPropertyChangeListener(tasksUiPreferenceListener);
+		serviceMessageControl = new TaskListServiceMessageControl(body);
+		serviceMessageControl.setServiceMessage(TasksUiPlugin.getDefault()
+				.getServiceMessageManager()
+				.getServiceMessage());
+		TasksUiPlugin.getDefault().getServiceMessageManager().addServiceMessageListener(serviceMessageControl);
 
 		// Need to do this because the page, which holds the active working set is not around on creation, see bug 203179
 		PlatformUI.getWorkbench().getActiveWorkbenchWindow().addPageListener(PAGE_LISTENER);
@@ -1263,6 +1282,7 @@
 	}
 
 	public void goIntoCategory() {
+		serviceMessageControl.setHidden(true);
 		ISelection selection = getViewer().getSelection();
 		if (selection instanceof StructuredSelection) {
 			StructuredSelection structuredSelection = (StructuredSelection) selection;
@@ -1280,6 +1300,7 @@
 	}
 
 	public void goUpToRoot() {
+		serviceMessageControl.setHidden(false);
 		drilledIntoCategory = null;
 		drillDownAdapter.goBack();
 		IActionBars bars = getViewSite().getActionBars();
Index: src/org/eclipse/mylyn/internal/tasks/ui/notifications/TaskListServiceMessageControl.java
===================================================================
RCS file: src/org/eclipse/mylyn/internal/tasks/ui/notifications/TaskListServiceMessageControl.java
diff -N src/org/eclipse/mylyn/internal/tasks/ui/notifications/TaskListServiceMessageControl.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/internal/tasks/ui/notifications/TaskListServiceMessageControl.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,247 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.ui.notifications;
+
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
+import org.eclipse.mylyn.internal.provisional.commons.ui.CommonThemes;
+import org.eclipse.mylyn.internal.provisional.commons.ui.GradientCanvas;
+import org.eclipse.mylyn.internal.tasks.core.servicemessage.IServiceMessageListener;
+import org.eclipse.mylyn.internal.tasks.core.servicemessage.ServiceMessage;
+import org.eclipse.mylyn.internal.tasks.ui.ITasksUiPreferenceConstants;
+import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
+import org.eclipse.mylyn.tasks.ui.TasksUiUtil;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.FontData;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.forms.FormColors;
+import org.eclipse.ui.forms.IFormColors;
+import org.eclipse.ui.forms.events.HyperlinkAdapter;
+import org.eclipse.ui.forms.events.HyperlinkEvent;
+import org.eclipse.ui.forms.events.IHyperlinkListener;
+import org.eclipse.ui.forms.widgets.Hyperlink;
+import org.eclipse.ui.forms.widgets.ImageHyperlink;
+
+/**
+ * @author Robert Elves
+ */
+public class TaskListServiceMessageControl implements IServiceMessageListener {
+
+	private ImageHyperlink imageHyperlink;
+
+	private Hyperlink titleHyperlink;
+
+	private Label descriptionLabel;
+
+	private GridData headData;
+
+	private final Composite parent;
+
+	private GradientCanvas head;
+
+	private ImageHyperlink closeLink;
+
+	private ServiceMessage currentMessage;
+
+	private boolean constructed;
+
+	private String messageUrl;
+
+	public TaskListServiceMessageControl(Composite parent) {
+		this.parent = parent;
+		createControl(parent);
+	}
+
+	private void setTitleImage(Image image) {
+		imageHyperlink.setImage(image);
+	}
+
+	private void setTitle(String title) {
+		titleHyperlink.setText(title);
+	}
+
+	private void setDescription(String description) {
+		descriptionLabel.setText(description);
+	}
+
+	private void addHyperlinkListener(IHyperlinkListener listener) {
+		titleHyperlink.addHyperlinkListener(listener);
+		imageHyperlink.addHyperlinkListener(listener);
+	}
+
+	protected void setMessageUrl(String url) {
+		messageUrl = url;
+	}
+
+	public Control createControl(Composite parent) {
+		FormColors colors = new FormColors(parent.getDisplay());
+		head = new GradientCanvas(parent, SWT.NONE);
+		GridLayout headLayout = new GridLayout();
+		headLayout.marginHeight = 0;
+		headLayout.marginWidth = 0;
+		headLayout.horizontalSpacing = 0;
+		headLayout.verticalSpacing = 0;
+		headLayout.numColumns = 1;
+		head.setLayout(headLayout);
+		headData = new GridData(SWT.FILL, SWT.TOP, true, false);
+		head.setLayoutData(headData);
+		setHidden(true);
+
+		Color top = colors.getColor(IFormColors.H_GRADIENT_END);
+		Color bot = colors.getColor(IFormColors.H_GRADIENT_START);
+		head.setBackgroundGradient(new Color[] { bot, top }, new int[] { 100 }, true);
+		head.setSeparatorVisible(true);
+		head.setSeparatorAlignment(SWT.TOP);
+
+		head.putColor(IFormColors.H_BOTTOM_KEYLINE1, colors.getColor(IFormColors.H_BOTTOM_KEYLINE1));
+		head.putColor(IFormColors.H_BOTTOM_KEYLINE2, colors.getColor(IFormColors.H_BOTTOM_KEYLINE2));
+		head.putColor(IFormColors.H_HOVER_LIGHT, colors.getColor(IFormColors.H_HOVER_LIGHT));
+		head.putColor(IFormColors.H_HOVER_FULL, colors.getColor(IFormColors.H_HOVER_FULL));
+		head.putColor(IFormColors.TB_TOGGLE, colors.getColor(IFormColors.TB_TOGGLE));
+		head.putColor(IFormColors.TB_TOGGLE_HOVER, colors.getColor(IFormColors.TB_TOGGLE_HOVER));
+
+		Composite informationComp = new Composite(head, SWT.NONE);
+		informationComp.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));//new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_FILL));
+		informationComp.setLayout(new GridLayout(3, false));
+
+		imageHyperlink = new ImageHyperlink(informationComp, SWT.NONE);
+
+		titleHyperlink = new Hyperlink(informationComp, SWT.WRAP);
+		setHeaderFontSizeAndStyle(titleHyperlink);
+
+		addHyperlinkListener(new HyperlinkAdapter() {
+			@Override
+			public void linkActivated(HyperlinkEvent e) {
+				if (messageUrl != null) {
+					TasksUiUtil.openUrl(messageUrl);
+				}
+
+			}
+		});
+
+		closeLink = new ImageHyperlink(informationComp, SWT.NONE);
+		closeLink.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE));
+		GridDataFactory.fillDefaults().align(SWT.END, SWT.BEGINNING).applyTo(closeLink);
+		closeLink.addHyperlinkListener(new HyperlinkAdapter() {
+			@Override
+			public void linkActivated(HyperlinkEvent e) {
+				closeMessage();
+
+			}
+
+		});
+
+		new Label(informationComp, SWT.NONE);
+
+		descriptionLabel = new Label(informationComp, SWT.WRAP);
+		GridDataFactory.swtDefaults().span(2, 1).applyTo(descriptionLabel);
+		constructed = true;
+		return head;
+	}
+
+	private void closeMessage() {
+		if (currentMessage != null) {
+			setHidden(true);
+			TasksUiPlugin.getDefault().getPreferenceStore().setValue(
+					ITasksUiPreferenceConstants.LAST_SERVICE_MESSAGE_ID, currentMessage.getId());
+		}
+	}
+
+	public void setHidden(boolean hidden) {
+		headData.exclude = hidden;
+		if (constructed) {
+			parent.layout(true);
+		}
+	}
+
+	// From EditorUtil
+	private static Font setHeaderFontSizeAndStyle(Control text) {
+		float sizeFactor = 1.2f;
+		Font initialFont = text.getFont();
+		FontData[] fontData = initialFont.getFontData();
+		for (FontData element : fontData) {
+			element.setHeight((int) (element.getHeight() * sizeFactor));
+			element.setStyle(element.getStyle() | SWT.BOLD);
+		}
+		final Font textFont = new Font(text.getDisplay(), fontData);
+		text.setFont(textFont);
+		text.addDisposeListener(new DisposeListener() {
+			public void widgetDisposed(DisposeEvent e) {
+				textFont.dispose();
+			}
+		});
+		Color color = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getColorRegistry().get(
+				CommonThemes.COLOR_COMPLETED);
+		text.setForeground(color);
+		return textFont;
+	}
+
+	public void setServiceMessage(final ServiceMessage message) {
+		if (message != null) {
+			String lastMessageId = TasksUiPlugin.getDefault().getPreferenceStore().getString(
+					ITasksUiPreferenceConstants.LAST_SERVICE_MESSAGE_ID);
+			TasksUiPlugin.getDefault().getPreferenceStore().setValue(
+					ITasksUiPreferenceConstants.LAST_SERVICE_MESSAGE_ETAG, message.getETag());
+			TasksUiPlugin.getDefault().getPreferenceStore().setValue(
+					ITasksUiPreferenceConstants.LAST_SERVICE_MESSAGE_LAST_MODIFIED, message.getLastModified());
+
+			boolean displayForCurrentMylynVersion = true;
+
+			if (message.getMylynVersion() != null && !message.getMylynVersion().equals("")) { //$NON-NLS-1$
+
+				MylynVersion version = new MylynVersion(message.getMylynVersion());
+				String versionString = (String) TasksUiPlugin.getDefault().getBundle().getHeaders().get(
+						"Bundle-Version"); //$NON-NLS-1$
+				MylynVersion versionInstalled = new MylynVersion(versionString);
+
+				displayForCurrentMylynVersion = (versionInstalled.compareTo(version) <= 0);
+			}
+
+			if (displayForCurrentMylynVersion && !lastMessageId.equals(message.getId())
+					&& !message.getId().equals("-1")) { //$NON-NLS-1$
+				currentMessage = message;
+				Display.getDefault().asyncExec(new Runnable() {
+
+					public void run() {
+						if (!head.isDisposed()) {
+							if (message != null) {
+								setTitle(message.getTitle());
+								setDescription(message.getDescription());
+								setTitleImage(Dialog.getImage(message.getImage()));
+								setHidden(false);
+								setMessageUrl(message.getUrl());
+							} else {
+								setHidden(true);
+							}
+						}
+
+					}
+				});
+			}
+		} else {
+			setHidden(true);
+		}
+	}
+
+}
Index: src/org/eclipse/mylyn/internal/tasks/ui/notifications/MylynVersion.java
===================================================================
RCS file: src/org/eclipse/mylyn/internal/tasks/ui/notifications/MylynVersion.java
diff -N src/org/eclipse/mylyn/internal/tasks/ui/notifications/MylynVersion.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/mylyn/internal/tasks/ui/notifications/MylynVersion.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2009 Eugene Kuleshov and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Eugene Kuleshov - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.ui.notifications;
+
+/**
+ * Mylyn version holder (derived from JiraVersion)
+ * 
+ * @author Eugene Kuleshov
+ * @author Thomas Ehrnhoefer
+ */
+public class MylynVersion implements Comparable<MylynVersion> {
+
+	private final int major;
+
+	private final int minor;
+
+	private final int micro;
+
+	private final String qualifier;
+
+	public MylynVersion(String version) {
+		String[] segments = version == null ? new String[0] : version.split("\\."); //$NON-NLS-1$
+		major = segments.length > 0 ? parse(segments[0]) : 0;
+		minor = segments.length > 1 ? parse(segments[1]) : 0;
+		micro = segments.length > 2 ? parse(segments[2]) : 0;
+		if (segments.length <= 3) {
+			qualifier = ""; //$NON-NLS-1$
+		} else {
+			qualifier = segments.length == 0 ? "" : segments[3]; //$NON-NLS-1$
+		}
+	}
+
+	private int parse(String segment) {
+		try {
+			return segment.length() == 0 ? 0 : Integer.parseInt(segment);
+		} catch (NumberFormatException e) {
+			return 0;
+		}
+	}
+
+	public boolean isSmallerOrEquals(MylynVersion v) {
+		return compareTo(v) <= 0;
+	}
+
+	public int compareTo(MylynVersion v) {
+		if (major < v.major) {
+			return -1;
+		} else if (major > v.major) {
+			return 1;
+		}
+
+		if (minor < v.minor) {
+			return -1;
+		} else if (minor > v.minor) {
+			return 1;
+		}
+
+		if (micro < v.micro) {
+			return -1;
+		} else if (micro > v.micro) {
+			return 1;
+		}
+
+		// qualifier is not needed to compare with min version
+		return qualifier.compareTo(v.qualifier);
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+		sb.append(Integer.toString(major));
+		sb.append(".").append(Integer.toString(minor)); //$NON-NLS-1$
+		if (micro > 0) {
+			sb.append(".").append(Integer.toString(micro)); //$NON-NLS-1$
+		}
+		if (qualifier.length() > 0) {
+			sb.append(".").append(qualifier); //$NON-NLS-1$
+		}
+		return sb.toString();
+	}
+
+}