001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Thomas Roger 016 */ 017 018package org.nuxeo.ecm.platform.picture.listener; 019 020import static org.nuxeo.ecm.platform.picture.api.ImagingDocumentConstants.PICTURE_FACET; 021 022import org.nuxeo.ecm.core.api.DocumentModel; 023import org.nuxeo.ecm.core.event.Event; 024import org.nuxeo.ecm.core.event.EventContext; 025import org.nuxeo.ecm.core.event.EventListener; 026import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 027import org.nuxeo.ecm.core.work.api.WorkManager; 028import org.nuxeo.ecm.platform.picture.PictureViewsGenerationWork; 029import org.nuxeo.runtime.api.Framework; 030 031/** 032 * Listener updating pre-filling the views of a Picture if the main Blob has changed. 033 * 034 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> 035 * @since 5.5 036 */ 037public class PictureViewsGenerationListener implements EventListener { 038 039 public static final String DISABLE_PICTURE_VIEWS_GENERATION_LISTENER = "disablePictureViewsGenerationListener"; 040 041 @Override 042 public void handleEvent(Event event) { 043 EventContext ctx = event.getContext(); 044 if (!(ctx instanceof DocumentEventContext)) { 045 return; 046 } 047 048 Boolean block = (Boolean) event.getContext().getProperty(DISABLE_PICTURE_VIEWS_GENERATION_LISTENER); 049 if (Boolean.TRUE.equals(block)) { 050 // ignore the event - we are blocked by the caller 051 return; 052 } 053 054 DocumentEventContext docCtx = (DocumentEventContext) ctx; 055 DocumentModel doc = docCtx.getSourceDocument(); 056 if (doc.hasFacet(PICTURE_FACET) && !doc.isProxy()) { 057 PictureViewsGenerationWork work = new PictureViewsGenerationWork(doc.getRepositoryName(), doc.getId(), 058 "file:content"); 059 WorkManager workManager = Framework.getLocalService(WorkManager.class); 060 workManager.schedule(work, WorkManager.Scheduling.IF_NOT_SCHEDULED, true); 061 } 062 } 063 064}