001/*
002 * (C) Copyright 2006-2008 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 *     Alexandre Russel
018 *     Andre Justo
019 *     Miguel Nixo
020 *
021 * $Id$
022 */
023
024package org.nuxeo.ecm.platform.preview.adapter;
025
026import java.util.ArrayList;
027import java.util.List;
028
029import org.nuxeo.ecm.core.api.Blob;
030import org.nuxeo.ecm.core.api.Blobs;
031import org.nuxeo.ecm.core.api.DocumentModel;
032import org.nuxeo.ecm.platform.preview.api.PreviewException;
033import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper;
034
035/**
036 * @author Alexandre Russel
037 */
038public class ImagePreviewer extends AbstractPreviewer implements MimeTypePreviewer {
039
040    protected Blob getContentBlob(Blob original, DocumentModel doc) {
041        return original;
042    }
043
044    public List<Blob> getPreview(Blob blob, DocumentModel dm) throws PreviewException {
045        List<Blob> blobResults = new ArrayList<>();
046        String basePath = VirtualHostHelper.getContextPathProperty();
047        StringBuffer html = new StringBuffer();
048        html.append("<html><head>");
049        html.append("<title>" + getPreviewTitle(dm) + "</title>");
050        html.append(String.format("<script src=\"%s/bower_components/webcomponentsjs/webcomponents-lite.js\"></script>", basePath));
051        html.append(String.format("<link rel=\"import\" href=\"%s/viewers/nuxeo-image-viewer.vulcanized.html\">", basePath));
052        html.append("<style>");
053        html.append("nuxeo-image-viewer {");
054        html.append("height: 100%; }");
055        html.append("</style>");
056        html.append("</head><body>");
057        html.append("<nuxeo-image-viewer src=\"image\" controls responsive></nuxeo-image-viewer>");
058        html.append("</body>");
059        Blob mainBlob = Blobs.createBlob(html.toString(), "text/html", null, "index.html");
060        blobResults.add(mainBlob);
061        Blob content = getContentBlob(blob, dm);
062        content.setFilename("image");
063        blobResults.add(content);
064        return blobResults;
065    }
066}