| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.taverna.raven.plugins.ui; |
| |
| import java.awt.Component; |
| import java.awt.event.MouseAdapter; |
| import java.awt.event.MouseEvent; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.Arrays; |
| |
| import javax.swing.Icon; |
| import javax.swing.ImageIcon; |
| import javax.swing.JLabel; |
| import javax.swing.SwingUtilities; |
| |
| |
| import org.apache.log4j.Logger; |
| |
| /** |
| * A JLabel that periodically checks for updates, running on a daemon thread. If |
| * updates are available it makes itself visible and responds to click events to |
| * display the appropriate update response. |
| * |
| * Also acts as a pluginmanager listener to refresh itself whenever a new plugin |
| * is added. |
| * |
| */ |
| |
| @SuppressWarnings("serial") |
| public class UpdatesAvailableIcon extends JLabel implements PluginManagerListener { |
| |
| private UpdatePluginsMouseAdaptor updatePluginMouseAdaptor = new UpdatePluginsMouseAdaptor(); |
| private static Logger logger = Logger.getLogger(UpdatesAvailableIcon.class); |
| |
| private final int CHECK_INTERVAL = 1800000; // every 30 minutes |
| |
| public static final Icon updateIcon = new ImageIcon( |
| UpdatesAvailableIcon.class.getResource("update.png")); |
| public static final Icon updateRecommendedIcon = new ImageIcon( |
| UpdatesAvailableIcon.class.getResource("updateRecommended.png")); |
| |
| public UpdatesAvailableIcon() { |
| super(); |
| setVisible(false); |
| |
| startCheckThread(); |
| PluginManager.addPluginManagerListener(this); |
| } |
| |
| public void pluginAdded(PluginManagerEvent event) { |
| logger.info("Plugin Added"); |
| if (!isVisible()) |
| checkForUpdates(); |
| } |
| |
| public void pluginStateChanged(PluginManagerEvent event) { |
| |
| } |
| |
| public void pluginUpdated(PluginManagerEvent event) { |
| logger.info("Plugin Updated"); |
| } |
| |
| public void pluginRemoved(PluginManagerEvent event) { |
| logger.info("Plugin Removed"); |
| if (isVisible()) |
| checkForUpdates(); |
| } |
| |
| public void pluginIncompatible(PluginManagerEvent event) { |
| logger |
| .warn("Plugin found to be incompatible with the current version of Taverna: " |
| + event.getPlugin()); |
| } |
| |
| private void startCheckThread() { |
| Thread checkThread = new Thread("Check for updates thread") { |
| |
| @Override |
| public void run() { |
| while (true) { |
| try { |
| checkForUpdates(); |
| Thread.sleep(CHECK_INTERVAL); |
| } catch (InterruptedException e) { |
| logger.warn("Interruption exception in checking for updates thread", |
| e); |
| } |
| } |
| } |
| }; |
| checkThread.setDaemon(true); // daemon so that taverna will stop the |
| // thread and close on exit. |
| checkThread.start(); |
| } |
| |
| private Object updateLock = new Object(); |
| |
| private void checkForUpdates() { |
| synchronized (updateLock) { |
| if (pluginUpdateAvailable()) { |
| logger.info("Plugin update available"); |
| try { |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| // TODO Auto-generated method stub |
| setToolTipText("Plugin updates are available"); |
| |
| setVisible(true); |
| setIcon(updateIcon); |
| if (!Arrays.asList(getMouseListeners()).contains( |
| updatePluginMouseAdaptor)) { |
| addMouseListener(updatePluginMouseAdaptor); |
| } |
| |
| } |
| }); |
| } catch (InterruptedException e) { |
| logger.error("Could not check for updates", e); |
| } catch (InvocationTargetException e) { |
| logger.error("Could not check for updates", e); |
| } |
| } else { |
| setToolTipText(""); |
| setVisible(false); |
| |
| } |
| } |
| |
| } |
| |
| private boolean pluginUpdateAvailable() { |
| return PluginManager.getInstance().checkForUpdates(); |
| } |
| |
| private final class UpdatePluginsMouseAdaptor extends MouseAdapter { |
| |
| @Override |
| public void mouseClicked(MouseEvent e) { |
| // FIXME: this assumes the button is on the toolbar. |
| Component parent = UpdatesAvailableIcon.this.getParent() |
| .getParent(); |
| |
| final PluginManagerFrame pluginManagerUI = new PluginManagerFrame( |
| PluginManager.getInstance()); |
| pluginManagerUI.setLocationRelativeTo(parent); |
| pluginManagerUI.setVisible(true); |
| } |
| |
| } |
| |
| } |