001/*
002 * (C) Copyright 2006-2016 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 *     Tiago Cardoso <tcardoso@nuxeo.com>
018 */
019package org.nuxeo.ecm.platform.threed.adapter;
020
021import com.google.common.collect.Iterables;
022import org.nuxeo.ecm.core.api.Blob;
023import org.nuxeo.ecm.core.api.Blobs;
024import org.nuxeo.ecm.core.api.DocumentModel;
025import org.nuxeo.ecm.platform.preview.adapter.AbstractPreviewer;
026import org.nuxeo.ecm.platform.preview.adapter.MimeTypePreviewer;
027import org.nuxeo.ecm.platform.preview.api.PreviewException;
028import org.nuxeo.ecm.platform.threed.ThreeDDocument;
029import org.nuxeo.ecm.platform.threed.TransmissionThreeD;
030import org.nuxeo.ecm.platform.threed.service.ThreeDService;
031import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper;
032import org.nuxeo.runtime.api.Framework;
033
034import java.util.ArrayList;
035import java.util.List;
036
037/*
038 * 3D content mimetype previewer.
039 *
040 * @since 8.4
041 */
042public class ThreeDPreviewer extends AbstractPreviewer implements MimeTypePreviewer {
043
044    public List<Blob> getPreview(Blob blob, DocumentModel dm) throws PreviewException {
045        ThreeDDocument threeDDocument = dm.getAdapter(ThreeDDocument.class);
046        ThreeDService threeDService = Framework.getService(ThreeDService.class);
047        return buildPreview(
048                threeDDocument.getTransmissionThreeD(Iterables.get(threeDService.getAutomaticLODs(), 0).getName()), dm);
049
050    }
051
052    protected List<Blob> buildPreview(TransmissionThreeD transmissionThreeD, DocumentModel dm) {
053        List<Blob> blobResults = new ArrayList<>();
054        String basePath = VirtualHostHelper.getContextPathProperty();
055        StringBuffer html = new StringBuffer();
056        html.append("<html><head>");
057        html.append("<title>" + getPreviewTitle(dm) + "</title>");
058        html.append(String.format(
059                "<script src=\"%s/platform-3d/bower_components/webcomponentsjs/webcomponents-lite.min.js\"></script>",
060                basePath));
061        html.append(String.format("<link rel=\"import\" href=\"%s/platform-3d/nuxeo-3d-viewer.html\">", basePath));
062        html.append(String.format("<nuxeo-3d-viewer src=\"%s\" loader=\"complete\">",
063                transmissionThreeD.getBlob().getFilename()));
064        blobResults.add(transmissionThreeD.getBlob());
065        html.append("</nuxeo-3d-viewer>");
066        html.append("</body>");
067        Blob mainBlob = Blobs.createBlob(html.toString(), "text/html", null, "index.html");
068        blobResults.add(0, mainBlob);
069        return blobResults;
070    }
071
072}