Example usage for com.google.gwt.dom.client IFrameElement getSrc

Introduction

In this page you can find the example usage for com.google.gwt.dom.client IFrameElement getSrc.

Prototype

public String getSrc() 

Source Link

Document

A URI designating the initial frame contents.

Usage

From source file:org.chromium.distiller.extractors.embeds.TwitterExtractor.java

License:Open Source License

/**
 * Handle a Twitter embed that has already been rendered.
 * @param e The root element of the embed (should be an "iframe").
 * @return EmbeddedElement object representing the embed or null.
 *//*from  w  ww.  ja  v a  2 s .  c  o  m*/
private WebEmbed handleRendered(Element e) {
    // Twitter embeds are blockquote tags operated on by some javascript.
    if (!"IFRAME".equals(e.getTagName())) {
        return null;
    }
    IFrameElement iframe = IFrameElement.as(e);

    // If the iframe has no "src" attribute, explore further.
    if (!iframe.getSrc().isEmpty()) {
        return null;
    }
    Document iframeDoc = iframe.getContentDocument();
    if (iframeDoc == null) {
        return null;
    }

    // The iframe will contain a blockquote element that has information including tweet id.
    NodeList blocks = iframeDoc.getElementsByTagName("blockquote");
    if (blocks.getLength() < 1) {
        return null;
    }
    Element tweetBlock = Element.as(blocks.getItem(0));

    String id = tweetBlock.getAttribute("data-tweet-id");

    if (id.isEmpty()) {
        return null;
    }

    return new WebEmbed(e, "twitter", id, null);
}

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