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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2011 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 com.vaadin.terminal.Resource;
import com.vaadin.terminal.gwt.client.ui.video.VideoState;
import com.vaadin.terminal.gwt.server.ResourceReference;

/**
 * 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 Mozilla Developer Network.
 * 
 * Multiple sources can be specified. Which of the sources is used is selected
 * by the browser depending on which file formats it supports. See wikipedia for a
 * table of formats supported by different browsers.
 * 
 * @author Vaadin Ltd
 * @since 6.7.0
 */
public class Video extends AbstractMedia {

    @Override
    public 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) {
        getState().setPoster(new ResourceReference(poster));
        requestRepaint();
    }

    /**
     * @return The poster image.
     */
    public Resource getPoster() {
        return ((ResourceReference) getState().getPoster()).getResource();
    }

}