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- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
- package com.vaadin.ui;
-
- import java.util.Collection;
-
- import org.jsoup.nodes.Attributes;
- import org.jsoup.nodes.Element;
- import org.jsoup.select.Elements;
-
- import com.vaadin.server.Resource;
- import com.vaadin.shared.ui.video.VideoConstants;
- import com.vaadin.shared.ui.video.VideoState;
- import com.vaadin.ui.declarative.DesignAttributeHandler;
- import com.vaadin.ui.declarative.DesignContext;
-
- /**
- * The Video component translates into an HTML5 <video> element and as
- * such is only supported in browsers that support HTML5 media markup. Browsers
- * that do not support HTML5 display the text or HTML set by calling
- * {@link #setAltText(String)}.
- *
- * A flash-player fallback can be implemented by setting HTML content allowed (
- * {@link #setHtmlContentAllowed(boolean)} and calling
- * {@link #setAltText(String)} with the flash player markup. An example of flash
- * fallback can be found at the <a href=
- * "https://developer.mozilla.org/En/Using_audio_and_video_in_Firefox#Using_Flash"
- * >Mozilla Developer Network</a>.
- *
- * Multiple sources can be specified. Which of the sources is used is selected
- * by the browser depending on which file formats it supports. See
- * <a href="http://en.wikipedia.org/wiki/HTML5_video#Table">wikipedia</a> for a
- * table of formats supported by different browsers.
- *
- * @author Vaadin Ltd
- * @since 6.7.0
- */
- public class Video extends AbstractMedia {
-
- @Override
- protected VideoState getState() {
- return (VideoState) super.getState();
- }
-
- public Video() {
- this("", null);
- }
-
- /**
- * @param caption
- * The caption for this video.
- */
- public Video(String caption) {
- this(caption, null);
- }
-
- /**
- * @param caption
- * The caption for this video.
- * @param source
- * The Resource containing the video to play.
- */
- public Video(String caption, Resource source) {
- setCaption(caption);
- setSource(source);
- setShowControls(true);
- }
-
- /**
- * Sets the poster image, which is shown in place of the video before the
- * user presses play.
- *
- * @param poster
- */
- public void setPoster(Resource poster) {
- setResource(VideoConstants.POSTER_RESOURCE, poster);
- }
-
- /**
- * @return The poster image.
- */
- public Resource getPoster() {
- return getResource(VideoConstants.POSTER_RESOURCE);
- }
-
- @Override
- public void readDesign(Element design, DesignContext designContext) {
- Elements elems = design.getElementsByTag("poster");
- for (Element poster : elems) {
- if (getPoster() == null && poster.hasAttr("href")) {
- setPoster(DesignAttributeHandler.readAttribute("href",
- poster.attributes(), Resource.class));
- }
- poster.remove();
- }
-
- // Poster is extracted so AbstractMedia does not include it in alt text
- super.readDesign(design, designContext);
- }
-
- @Override
- public void writeDesign(Element design, DesignContext designContext) {
- super.writeDesign(design, designContext);
- if (getPoster() != null) {
- Attributes attr = design.appendElement("poster").attributes();
- DesignAttributeHandler.writeAttribute("href", attr, getPoster(),
- null, Resource.class);
- }
- }
-
- @Override
- protected Collection<String> getCustomAttributes() {
- Collection<String> result = super.getCustomAttributes();
- result.add("poster");
- return result;
- }
- }
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