releases-comm-central/suite/browser/pageinfo/feeds.js

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3.4 KiB
JavaScript

/* -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the feed tab for Page Info.
*
* The Initial Developer of the Original Code is
* Florian QUEZE <f.qu@queze.net>
* Portions created by the Initial Developer are Copyright (C) 2006-2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ehsan Akhgari <ehsan.akhgari@gmail.com>
* Daniel Brooks <db48x@yahoo.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
function initFeedTab()
{
const feedTypes = {
"application/rss+xml": gBundle.getString("feedRss"),
"application/atom+xml": gBundle.getString("feedAtom"),
"text/xml": gBundle.getString("feedXML"),
"application/xml": gBundle.getString("feedXML"),
"application/rdf+xml": gBundle.getString("feedXML")
};
// get the feeds
var linkNodes = gDocument.getElementsByTagName("link");
var length = linkNodes.length;
for (var i = 0; i < length; i++) {
var link = linkNodes[i];
if (!link.href)
continue;
var rel = link.rel && link.rel.toLowerCase();
var isFeed = /(?:^|\s)feed(?:\s|$)/i.test(rel);
if (isFeed || (/(?:^|\s)alternate(?:\s|$)/i.test(rel) &&
!/(?:^|\s)stylesheet(?:\s|$)/i.test(rel))) {
var type = isValidFeed(link, link.nodePrincipal, isFeed);
if (type) {
if (type in feedTypes)
type = feedTypes[type];
else
type = feedTypes["application/rss+xml"];
addRow(link.title, type, link.href);
}
}
}
var feedListbox = document.getElementById("feedListbox");
document.getElementById("feedTab").hidden = feedListbox.getRowCount() == 0;
}
function onSubscribeFeed(event)
{
var listbox = document.getElementById("feedListbox");
subscribeToFeed(listbox.selectedItem.getAttribute("feedURL"), event);
}
function addRow(name, type, url)
{
var item = document.createElement("richlistitem");
item.setAttribute("feed", "true");
item.setAttribute("name", name);
item.setAttribute("type", type);
item.setAttribute("feedURL", url);
document.getElementById("feedListbox").appendChild(item);
}