/*******************************************************************************
* Copyright (c) 2004, 2012 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.commons.notifications.ui.popup;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.WeakHashMap;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.window.Window;
import org.eclipse.mylyn.commons.notifications.core.AbstractNotification;
import org.eclipse.mylyn.commons.notifications.core.NotificationSink;
import org.eclipse.mylyn.commons.notifications.core.NotificationSinkEvent;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPreferenceConstants;
import org.eclipse.ui.PlatformUI;
/**
* @author Rob Elves
* @author Steffen Pingel
*/
public class PopupNotificationSink extends NotificationSink {
private static final long DELAY_OPEN = 1 * 1000;
private static final boolean runSystem = true;
private final WeakHashMap<Object, Object> cancelledTokens = new WeakHashMap<Object, Object>();
private final Set<AbstractNotification> notifications = new HashSet<AbstractNotification>();
private final Set<AbstractNotification> currentlyNotifying = Collections.synchronizedSet(notifications);
private final Job openJob = new Job(Messages.PopupNotificationSink_Popup_Noifier_Job_Label) {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
if (Platform.isRunning() && PlatformUI.getWorkbench() != null
&& PlatformUI.getWorkbench().getDisplay() != null
&& !PlatformUI.getWorkbench().getDisplay().isDisposed()) {
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
public void run() {
collectNotifications();
if (popup != null && popup.getReturnCode() == Window.CANCEL) {
List<AbstractNotification> notifications = popup.getNotifications();
for (AbstractNotification notification : notifications) {
if (notification.getToken() != null) {
cancelledTokens.put(notification.getToken(), null);
}
}
}
for (Iterator<AbstractNotification> it = currentlyNotifying.iterator(); it.hasNext();) {
AbstractNotification notification = it.next();
if (notification.getToken() != null
&& cancelledTokens.containsKey(notification.getToken())) {
it.remove();
}
}
synchronized (PopupNotificationSink.class) {
if (currentlyNotifying.size() > 0) {
// popup.close();
showPopup();
}
}
}
});
}
} finally {
if (popup != null) {
schedule(popup.getDelayClose() / 2);
}
}
if (monitor.isCanceled()) {
return Status.CANCEL_STATUS;
}
return Status.OK_STATUS;
}
};
private NotificationPopup popup;
public PopupNotificationSink() {
openJob.setSystem(runSystem);
}
private void cleanNotified() {
currentlyNotifying.clear();
}
/** public for testing */
public void collectNotifications() {
}
/**
* public for testing purposes
*/
public Set<AbstractNotification> getNotifications() {
synchronized (PopupNotificationSink.class) {
return currentlyNotifying;
}
}
public boolean isAnimationsEnabled() {
IPreferenceStore store = PlatformUI.getPreferenceStore();
return store.getBoolean(IWorkbenchPreferenceConstants.ENABLE_ANIMATIONS);
}
@Override
public void notify(NotificationSinkEvent event) {
currentlyNotifying.addAll(event.getNotifications());
if (!openJob.cancel()) {
try {
openJob.join();
} catch (InterruptedException e) {
// ignore
}
}
openJob.schedule(DELAY_OPEN);
}
public void showPopup() {
if (popup != null) {
popup.close();
}
Shell shell = new Shell(PlatformUI.getWorkbench().getDisplay());
popup = new NotificationPopup(shell);
popup.setFadingEnabled(isAnimationsEnabled());
List<AbstractNotification> toDisplay = new ArrayList<AbstractNotification>(currentlyNotifying);
Collections.sort(toDisplay);
popup.setContents(toDisplay);
cleanNotified();
popup.setBlockOnOpen(false);
popup.open();
}
}