| /**************************************************************************** |
| * Copyright (c) 2004 Composent, Inc. 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: |
| * Composent, Inc. - initial API and implementation |
| *****************************************************************************/ |
| |
| package org.eclipse.ecf.presence; |
| |
| import org.eclipse.ecf.core.identity.ID; |
| |
| /** |
| * Listener for user presence changes. |
| * <p></p> |
| * Note these methods will be called asynchronously when notifications of remote |
| * changes are received by the provider implementation code. The provider is |
| * free to call the methods below with an arbitrary thread, so the |
| * implementation of these methods must be appropriately prepared. |
| * <p> |
| * </p> |
| * For example, if the code implementing any of these methods must interact with |
| * user interface code, then it should use code such as the following to execute |
| * on the SWT UI thread: |
| * |
| * <pre> |
| * Display.getDefault().asyncExec(new Runnable() { |
| * public void run() { |
| * ... UI code here |
| * } |
| * }); |
| * </pre> |
| * |
| * Further, the code in the implementations of these methods should <b>not block</b> via |
| * I/O operations or blocking UI calls. |
| */ |
| public interface IPresenceListener { |
| |
| /** |
| * Notification that a presence update has been received |
| * |
| * @param fromID |
| * the ID of the sender of the presence update. Will not be |
| * <code>null</code>. |
| * @param presence |
| * the presence information for the sender. Will not be |
| * <code>null</code>. |
| */ |
| public void handlePresence(ID fromID, IPresence presence); |
| |
| } |
