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+/* GuiLaunchHandler.java
+ Copyright (C) 2011 Red Hat, Inc.
+
+This file is part of IcedTea.
+
+IcedTea is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+IcedTea is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with IcedTea; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package net.sourceforge.jnlp;
+
+import java.net.URL;
+
+import javax.swing.SwingUtilities;
+
+import net.sourceforge.jnlp.cache.ResourceTracker;
+import net.sourceforge.jnlp.cache.UpdatePolicy;
+import net.sourceforge.jnlp.runtime.ApplicationInstance;
+import net.sourceforge.jnlp.util.BasicExceptionDialog;
+
+/**
+ * A {@link LaunchHandler} that gives feedback to the user using GUI elements
+ * including splash screens and exception dialogs.
+ */
+public class GuiLaunchHandler implements LaunchHandler {
+
+ private JNLPSplashScreen splashScreen = null;
+ private UpdatePolicy policy = UpdatePolicy.ALWAYS;
+
+ @Override
+ public void launchCompleted(ApplicationInstance application) {
+ // do nothing
+ }
+
+ @Override
+ public void launchError(final LaunchException exception) {
+ SwingUtilities.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ BasicExceptionDialog.show(exception);
+ }
+ });
+ }
+
+ @Override
+ public void launchStarting(ApplicationInstance application) {
+ SwingUtilities.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ if (splashScreen != null) {
+ if (splashScreen.isSplashScreenValid()) {
+ splashScreen.setVisible(false);
+ }
+ splashScreen.dispose();
+ }
+ }
+ });
+ }
+
+ @Override
+ public void launchInitialized(final JNLPFile file) {
+ SwingUtilities.invokeLater(new Runnable() {
+ @Override
+ public void run() {
+ final int preferredWidth = 500;
+ final int preferredHeight = 400;
+
+ URL splashImageURL = file.getInformation().getIconLocation(
+ IconDesc.SPLASH, preferredWidth, preferredHeight);
+ if (splashImageURL != null) {
+ ResourceTracker resourceTracker = new ResourceTracker(true);
+ resourceTracker.addResource(splashImageURL, file.getFileVersion(), null, policy);
+ splashScreen = new JNLPSplashScreen(resourceTracker, null, null);
+ splashScreen.setSplashImageURL(splashImageURL);
+ if (splashScreen.isSplashScreenValid()) {
+ splashScreen.setVisible(true);
+ }
+ }
+ }
+ });
+ }
+
+ @Override
+ public boolean launchWarning(LaunchException warning) {
+ DefaultLaunchHandler.printMessage(warning);
+ return true;
+ }
+
+ @Override
+ public boolean validationError(LaunchException security) {
+ DefaultLaunchHandler.printMessage(security);
+ return true;
+ }
+
+}