| /******************************************************************************* |
| * Copyright (c) 2004, 2011 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.tasks.ui; |
| |
| 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.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.mylyn.commons.notifications.ui.AbstractUiNotification; |
| import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskListNotificationPopup; |
| import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskListNotifier; |
| import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * @author Rob Elves |
| */ |
| public class TaskListNotificationManager implements IPropertyChangeListener { |
| |
| private static final long DELAY_OPEN = 5 * 1000; |
| |
| private static final boolean runSystem = true; |
| |
| private TaskListNotificationPopup popup; |
| |
| private final Set<AbstractUiNotification> notifications = new HashSet<AbstractUiNotification>(); |
| |
| private final Set<AbstractUiNotification> currentlyNotifying = Collections.synchronizedSet(notifications); |
| |
| private final List<ITaskListNotificationProvider> notificationProviders = new ArrayList<ITaskListNotificationProvider>(); |
| |
| private final WeakHashMap<Object, Object> cancelledTokens = new WeakHashMap<Object, Object>(); |
| |
| private final Job openJob = new Job(Messages.TaskListNotificationManager_Open_Notification_Job) { |
| @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<AbstractUiNotification> notifications = popup.getNotifications(); |
| for (AbstractUiNotification notification : notifications) { |
| if (notification.getToken() != null) { |
| cancelledTokens.put(notification.getToken(), null); |
| } |
| } |
| } |
| |
| for (Iterator<AbstractUiNotification> it = currentlyNotifying.iterator(); it.hasNext();) { |
| AbstractUiNotification notification = it.next(); |
| if (notification.getToken() != null |
| && cancelledTokens.containsKey(notification.getToken())) { |
| it.remove(); |
| } |
| } |
| |
| synchronized (TaskListNotificationManager.class) { |
| if (currentlyNotifying.size() > 0) { |
| // popup.close(); |
| showPopup(); |
| } |
| } |
| } |
| }); |
| } |
| } finally { |
| if (popup != null) { |
| schedule(popup.getDelayClose() / 2); |
| } else { |
| schedule(DELAY_OPEN); |
| } |
| } |
| |
| if (monitor.isCanceled()) { |
| return Status.CANCEL_STATUS; |
| } |
| |
| return Status.OK_STATUS; |
| } |
| |
| }; |
| |
| public TaskListNotificationManager() { |
| } |
| |
| public void showPopup() { |
| if (popup != null) { |
| popup.close(); |
| } |
| |
| Shell shell = new Shell(PlatformUI.getWorkbench().getDisplay()); |
| popup = new TaskListNotificationPopup(shell); |
| popup.setFadingEnabled(TasksUiInternal.isAnimationsEnabled()); |
| List<AbstractUiNotification> toDisplay = new ArrayList<AbstractUiNotification>(currentlyNotifying); |
| Collections.sort(toDisplay); |
| popup.setContents(toDisplay); |
| cleanNotified(); |
| popup.setBlockOnOpen(false); |
| popup.open(); |
| } |
| |
| private void cleanNotified() { |
| currentlyNotifying.clear(); |
| } |
| |
| /** public for testing */ |
| public void collectNotifications() { |
| for (ITaskListNotificationProvider provider : notificationProviders) { |
| currentlyNotifying.addAll(provider.getNotifications()); |
| } |
| } |
| |
| public void startNotification(long initialStartupTime) { |
| if (TasksUiPlugin.getDefault() |
| .getPreferenceStore() |
| .getBoolean(ITasksUiPreferenceConstants.NOTIFICATIONS_ENABLED)) { |
| if (!openJob.cancel()) { |
| try { |
| openJob.join(); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| } |
| openJob.setSystem(runSystem); |
| openJob.schedule(initialStartupTime); |
| |
| for (ITaskListNotificationProvider provider : notificationProviders) { |
| if (provider instanceof TaskListNotifier) { |
| ((TaskListNotifier) provider).setEnabled(true); |
| } |
| } |
| } |
| } |
| |
| public void stopNotification() { |
| for (ITaskListNotificationProvider provider : notificationProviders) { |
| if (provider instanceof TaskListNotifier) { |
| ((TaskListNotifier) provider).setEnabled(false); |
| } |
| } |
| |
| openJob.cancel(); |
| // closeJob.cancel(); |
| // if (popup != null) { |
| // popup.close(); |
| // } |
| } |
| |
| public void addNotificationProvider(ITaskListNotificationProvider notification_provider) { |
| notificationProviders.add(notification_provider); |
| } |
| |
| public void removeNotificationProvider(ITaskListNotificationProvider notification_provider) { |
| notificationProviders.remove(notification_provider); |
| } |
| |
| /** |
| * public for testing purposes |
| */ |
| public Set<AbstractUiNotification> getNotifications() { |
| synchronized (TaskListNotificationManager.class) { |
| return currentlyNotifying; |
| } |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty().equals(ITasksUiPreferenceConstants.NOTIFICATIONS_ENABLED)) { |
| Object newValue = event.getNewValue(); |
| if (!(newValue instanceof Boolean)) { |
| // default if no preference value |
| startNotification(0); |
| } else if ((Boolean) newValue == true) { |
| startNotification(0); |
| } else { |
| stopNotification(); |
| } |
| } |
| } |
| } |