/* ********************************************************************** **
** 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;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.rssowl.core.Owl;
import org.rssowl.core.connection.ConnectionException;
import org.rssowl.core.internal.InternalOwl;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.dao.DynamicDAO;
import org.rssowl.core.persist.dao.IBookMarkDAO;
import org.rssowl.core.persist.reference.FeedLinkReference;
import org.rssowl.core.util.StringUtils;
import org.rssowl.core.util.URIUtils;
import org.rssowl.ui.internal.actions.NewBookMarkAction;
import org.rssowl.ui.internal.dialogs.fatal.FatalErrorWizard;
import org.rssowl.ui.internal.util.JobRunner;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
/**
* This class controls all aspects of the application's execution
*/
public class Application implements IApplication {
private ApplicationWorkbenchAdvisor fWorkbenchAdvisor;
/** Constant for the application being run on Windows or not */
public static final boolean IS_WINDOWS = "win32".equals(SWT.getPlatform()); //$NON-NLS-1$
/** Constant for the application being run on Linux or not */
public static final boolean IS_LINUX = "gtk".equals(SWT.getPlatform()); //$NON-NLS-1$
/** Constant for the application being run on Mac or not */
public static final boolean IS_MAC = "carbon".equals(SWT.getPlatform()); //$NON-NLS-1$
/** Flag to indicate RSSOwl integrated to Eclipse or not */
public static final boolean IS_ECLIPSE = InternalOwl.IS_ECLIPSE;
/* System Property to force opening of the restore profile wizard */
private static final String OPEN_RESTORE_WIZARD_PROPERTY = "restoreOwlProfile"; //$NON-NLS-1$
/*
* @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext)
*/
public Object start(IApplicationContext context) throws Exception {
/* Set Handshake-Handler to Application Server */
ApplicationServer server = ApplicationServer.getDefault();
server.setHandshakeHandler(new ApplicationServer.HandshakeHandler() {
public void handle(String token) {
if (StringUtils.isSet(token)) {
restoreApplication();
if (hasProtocolHandler(token))
handleLinkSupplied(token);
}
}
});
/* Proceed normally */
Display display = PlatformUI.createDisplay();
try {
/* Handle possible Link supplied after startup */
Runnable runAfterUIStartup = new Runnable() {
public void run() {
String link = parseLink(Platform.getCommandLineArgs());
if (StringUtils.isSet(link))
handleLinkSupplied(link);
}
};
/* Check Startup Status */
Activator activator = Activator.getDefault();
IStatus startupStatus = activator.getStartupStatus();
if (startupStatus.getSeverity() == IStatus.ERROR)
return handleStartupError(startupStatus, false);
/* Open Fatal Error Wizard if user explicitly asked for it (to restore a backup) */
if (System.getProperty(OPEN_RESTORE_WIZARD_PROPERTY) != null)
return handleStartupError(startupStatus, true);
/* Create the Workbench */
fWorkbenchAdvisor = new ApplicationWorkbenchAdvisor(runAfterUIStartup);
int returnCode = PlatformUI.createAndRunWorkbench(display, fWorkbenchAdvisor);
if (returnCode == PlatformUI.RETURN_RESTART)
return IApplication.EXIT_RESTART;
return IApplication.EXIT_OK;
} finally {
display.dispose();
}
}
private int handleStartupError(IStatus errorStatus, boolean forceAllowRestore) {
FatalErrorWizard wizard = new FatalErrorWizard(errorStatus, forceAllowRestore);
OwlUI.openWizard(null, wizard, true, false, null, true, IS_WINDOWS && !forceAllowRestore ? Messages.Application_RESTART_RSSOWL : Messages.Application_QUIT_RSSOWL);
return wizard.getReturnCode();
}
private boolean hasProtocolHandler(String link) {
/* Is empty or null? */
if (!StringUtils.isSet(link))
return false;
try {
return Owl.getConnectionService().getHandler(new URI(URIUtils.fastEncode(link))) != null;
} catch (ConnectionException e) {
return false;
} catch (URISyntaxException e) {
return false;
}
}
/*
* @see org.eclipse.equinox.app.IApplication#stop()
*/
public void stop() {
final IWorkbench workbench = PlatformUI.getWorkbench();
if (workbench == null)
return;
final Display display = workbench.getDisplay();
display.syncExec(new Runnable() {
public void run() {
if (!display.isDisposed())
workbench.close();
}
});
}
/* Return the first Link in this Array or NULL otherwise */
private String parseLink(String[] commandLineArgs) {
for (String arg : commandLineArgs) {
if (hasProtocolHandler(arg))
return arg;
}
return null;
}
/* Focus the Application */
private void restoreApplication() {
final Shell shell = OwlUI.getPrimaryShell();
if (shell != null) {
JobRunner.runInUIThread(shell, new Runnable() {
public void run() {
/* Restore from Tray */
ApplicationWorkbenchWindowAdvisor advisor = fWorkbenchAdvisor.getPrimaryWorkbenchWindowAdvisor();
if (advisor != null && advisor.isMinimizedToTray()) {
advisor.restoreFromTray(shell);
}
/* Force Active and De-Iconify */
else {
shell.forceActive();
shell.setMinimized(false);
}
}
});
}
}
/* Handle the supplied Link */
private void handleLinkSupplied(final String link) {
/* Need a Shell */
final Shell shell = OwlUI.getPrimaryShell();
if (shell == null)
return;
/* Bug with Firefox: HTTPS feeds start with "feed:https://" */
final String normalizedLink;
if (link.startsWith(URIUtils.FEED_IDENTIFIER + URIUtils.HTTPS))
normalizedLink = URIUtils.HTTPS + link.substring((URIUtils.FEED_IDENTIFIER + URIUtils.HTTPS).length());
else
normalizedLink = link;
/* Check for existing BookMark */
final IBookMark existingBookMark = getBookMark(normalizedLink);
JobRunner.runInUIThread(shell, new Runnable() {
public void run() {
/* Open Dialog to add this new BookMark */
if (existingBookMark == null) {
new NewBookMarkAction(shell, null, null, normalizedLink).run(null);
}
/* Display selected Feed since its existing already */
else {
IWorkbenchPage page = OwlUI.getPage();
if (page != null)
OwlUI.openInFeedView(page, new StructuredSelection(existingBookMark));
}
}
});
}
private IBookMark getBookMark(String link) {
/* Need a URI */
URI linkAsURI;
try {
linkAsURI = new URI(URIUtils.fastEncode(link));
} catch (URISyntaxException e) {
return null;
}
/* Check if a BookMark exists for the Link */
Collection<IBookMark> existingBookmarks = DynamicDAO.getDAO(IBookMarkDAO.class).loadAll(new FeedLinkReference(linkAsURI));
if (existingBookmarks.size() > 0)
return existingBookmarks.iterator().next();
/* Try again swapping feed:// with http:// and vice versa */
if (link.startsWith(URIUtils.FEED) || link.startsWith(URIUtils.HTTP)) {
if (link.startsWith(URIUtils.FEED))
link = URIUtils.HTTP + link.substring(URIUtils.FEED.length());
else if (link.startsWith(URIUtils.HTTP))
link = URIUtils.FEED + link.substring(URIUtils.HTTP.length());
try {
linkAsURI = new URI(URIUtils.fastEncode(link));
} catch (URISyntaxException e) {
return null;
}
existingBookmarks = DynamicDAO.getDAO(IBookMarkDAO.class).loadAll(new FeedLinkReference(linkAsURI));
if (existingBookmarks.size() > 0)
return existingBookmarks.iterator().next();
}
return null;
}
/**
* @return <code>true</code> if the host os is Windows 7.
*/
public static boolean isWindows7() {
return "6.1".equals(System.getProperty("os.version")); //$NON-NLS-1$ //$NON-NLS-2$
}
}