/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** 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.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.actions;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.update.configuration.IConfiguredSite;
import org.eclipse.update.core.SiteManager;
import org.eclipse.update.operations.IInstallFeatureOperation;
import org.eclipse.update.search.UpdateSearchScope;
import org.eclipse.update.ui.UpdateJob;
import org.rssowl.core.util.StringUtils;
import org.rssowl.ui.internal.Activator;
import org.rssowl.ui.internal.Controller;
import org.rssowl.ui.internal.dialogs.UpdateDialog;
import org.rssowl.ui.internal.util.JobRunner;
import org.rssowl.ui.internal.util.UIBackgroundJob;
import java.lang.reflect.InvocationTargetException;
import java.net.MalformedURLException;
import java.net.URL;
/**
* An action to check for updates to RSSOwl. Will not include updates to
* installed extensions.
*
* @author bpasero
*/
public class FindUpdatesAction extends Action implements IWorkbenchWindowActionDelegate {
private static final String UPDATE_SITE = "http://boreal.rssowl.org/update/program/"; //$NON-NLS-1$
private Shell fShell;
private final boolean fUserInitiated;
/** Keep default constructor for reflection. */
public FindUpdatesAction() {
this(true);
}
/**
* @param userInitiated if <code>true</code> will open a dialog informing
* about updates, even when none exist.
*/
public FindUpdatesAction(boolean userInitiated) {
fUserInitiated = userInitiated;
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
/* Respect System Property */
if (Controller.getDefault().isUpdateDisabled())
return;
try {
/* Scope to RSSOwl Updates Only */
UpdateSearchScope scope = new UpdateSearchScope();
scope.addSearchSite("RSSOwl.org", new URL(UPDATE_SITE), null); //$NON-NLS-1$
scope.setFeatureProvidedSitesEnabled(false);
/* Run in Update Job */
final UpdateJob job = new UpdateJob(Messages.FindUpdatesAction_UPDATE_SEARCH, true, false);
job.getSearchRequest().setScope(scope);
job.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent event) {
JobRunner.runInUIThread(fShell, new Runnable() {
public void run() {
if (Controller.getDefault().isShuttingDown() || (fShell != null && fShell.isDisposed()))
return;
if (job.getStatus().isOK())
handleUpdates(job.getUpdates());
else
handleError(job.getStatus());
}
});
}
});
if (fUserInitiated) {
job.setUser(true);
job.setPriority(Job.INTERACTIVE);
} else {
job.setUser(false);
job.setSystem(true);
}
/* Schedule */
job.schedule();
} catch (MalformedURLException e) {
Activator.safeLogError(e.getMessage(), e);
}
}
/* Handle Updates */
@SuppressWarnings("restriction")
private void handleUpdates(final IInstallFeatureOperation[] updates) {
/* Inform that no Updates are Available (if user initiated) */
if (updates.length == 0) {
if (fUserInitiated)
MessageDialog.openInformation(fShell, Messages.FindUpdatesAction_CHECK_UPDATES, Messages.FindUpdatesAction_NO_UPDATES_AVAILABLE);
return;
}
/* Ask for Confirmation to Update */
UpdateDialog dialog = new UpdateDialog(fShell, updates);
if (dialog.open() != IDialogConstants.OK_ID)
return;
/* Show Activity */
ShowActivityAction action = new ShowActivityAction();
action.init(fShell);
action.run(null);
/* Perform Update */
JobRunner.runUIUpdater(new UIBackgroundJob(fShell, Messages.FindUpdatesAction_DOWNLOADING_UPDATES) {
boolean errorUpdating;
/* Download & Install Updates */
@Override
protected void runInBackground(IProgressMonitor monitor) {
for (IInstallFeatureOperation update : updates) {
if (monitor.isCanceled() || Controller.getDefault().isShuttingDown())
break;
try {
IConfiguredSite configSite = org.eclipse.update.internal.operations.UpdateUtils.getDefaultTargetSite(SiteManager.getLocalSite().getCurrentConfiguration(), update);
if (configSite != null) {
update.setTargetSite(configSite);
Activator.safeLogInfo("Start: Application Update"); //$NON-NLS-1$
update.execute(monitor, null);
Activator.safeLogInfo("Finished: Application Update"); //$NON-NLS-1$
}
} catch (CoreException e) {
errorUpdating = true;
Activator.safeLogError(e.getMessage(), e);
} catch (InvocationTargetException e) {
errorUpdating = true;
Activator.safeLogError(e.getMessage(), e);
}
}
}
/* Ask to Restart */
@Override
protected void runInUI(IProgressMonitor monitor) {
if (!Controller.getDefault().isShuttingDown()) {
if (!errorUpdating) {
boolean restart = MessageDialog.openQuestion(fShell, Messages.FindUpdatesAction_RESTART_RSSOWL, Messages.FindUpdatesAction_RESTART_AFTER_UPDATE);
if (restart)
Controller.getDefault().restart();
} else
MessageDialog.openWarning(fShell, Messages.FindUpdatesAction_CHECK_UPDATES, Messages.FindUpdatesAction_WARNING_UPDATE_FAILED);
}
}
}, true);
}
/* Handle Error */
private void handleError(IStatus status) {
if (fUserInitiated) {
String msg = Messages.FindUpdatesAction_WARNING_SEARCH_FAILED;
if (StringUtils.isSet(status.getMessage()))
msg += "\n\n" + NLS.bind(Messages.FindUpdatesAction_REASON, status.getMessage()); //$NON-NLS-1$
MessageDialog.openWarning(fShell, Messages.FindUpdatesAction_CHECK_UPDATES, msg);
}
}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {
fShell = window.getShell();
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
run();
}
/*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
* org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {}
}