001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thomas Roger 018 */ 019 020package org.nuxeo.ecm.platform.picture.listener; 021 022import static org.nuxeo.ecm.platform.picture.api.ImagingDocumentConstants.PICTURE_FACET; 023 024import org.nuxeo.ecm.core.api.DocumentModel; 025import org.nuxeo.ecm.core.event.Event; 026import org.nuxeo.ecm.core.event.EventContext; 027import org.nuxeo.ecm.core.event.EventListener; 028import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 029import org.nuxeo.ecm.core.work.api.WorkManager; 030import org.nuxeo.ecm.platform.picture.PictureViewsGenerationWork; 031import org.nuxeo.runtime.api.Framework; 032 033/** 034 * Listener updating pre-filling the views of a Picture if the main Blob has changed. 035 * 036 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> 037 * @since 5.5 038 */ 039public class PictureViewsGenerationListener implements EventListener { 040 041 public static final String DISABLE_PICTURE_VIEWS_GENERATION_LISTENER = "disablePictureViewsGenerationListener"; 042 043 @Override 044 public void handleEvent(Event event) { 045 EventContext ctx = event.getContext(); 046 if (!(ctx instanceof DocumentEventContext)) { 047 return; 048 } 049 050 Boolean block = (Boolean) event.getContext().getProperty(DISABLE_PICTURE_VIEWS_GENERATION_LISTENER); 051 if (Boolean.TRUE.equals(block)) { 052 // ignore the event - we are blocked by the caller 053 return; 054 } 055 056 DocumentEventContext docCtx = (DocumentEventContext) ctx; 057 DocumentModel doc = docCtx.getSourceDocument(); 058 if (doc.hasFacet(PICTURE_FACET) && !doc.isProxy()) { 059 PictureViewsGenerationWork work = new PictureViewsGenerationWork(doc.getRepositoryName(), doc.getId(), 060 "file:content"); 061 WorkManager workManager = Framework.getService(WorkManager.class); 062 workManager.schedule(work, WorkManager.Scheduling.IF_NOT_SCHEDULED, true); 063 } 064 } 065 066}