1 /**
2 * This file Copyright (c) 2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.task.app;
35
36 import info.magnolia.event.EventBus;
37 import info.magnolia.event.HandlerRegistration;
38 import info.magnolia.event.SystemEventBus;
39 import info.magnolia.task.event.TaskEvent;
40 import info.magnolia.task.event.TaskEventHandler;
41 import info.magnolia.ui.api.ioc.UiContextScoped;
42 import info.magnolia.ui.framework.ioc.Destructible;
43 import info.magnolia.ui.observation.LocalManualDatasourceObservation;
44
45 import javax.inject.Inject;
46 import javax.inject.Named;
47
48 import com.vaadin.ui.UI;
49
50 /**
51 * Tasks Observation utility wrapper to be used within UI framework.
52 */
53 @UiContextScoped
54 public class TaskDataSourceObservation extends LocalManualDatasourceObservation implements Destructible, TaskEventHandler {
55
56 private final HandlerRegistration taskEventHandler;
57
58 @Inject
59 TaskDataSourceObservation(UI ui, @Named(SystemEventBus.NAME) EventBus eventBus) {
60 super(ui);
61 taskEventHandler = eventBus.addHandler(TaskEvent.class, this);
62 }
63
64 @Override
65 public void destroy() {
66 taskEventHandler.removeHandler();
67 }
68
69 @Override
70 public void taskClaimed(TaskEvent taskEvent) {
71 trigger();
72 }
73
74 @Override
75 public void taskAdded(TaskEvent taskEvent) {
76 trigger();
77 }
78
79 @Override
80 public void taskArchived(TaskEvent taskEvent) {
81 trigger();
82 }
83
84 @Override
85 public void taskResolved(TaskEvent taskEvent) {
86 trigger();
87 }
88
89 @Override
90 public void taskFailed(TaskEvent taskEvent) {
91 trigger();
92 }
93
94 @Override
95 public void taskRemoved(TaskEvent taskEvent) {
96 trigger();
97 }
98
99 @Override
100 public void taskScheduled(TaskEvent taskEvent) {
101 trigger();
102 }
103 }