gecko/browser/base/content/pageinfo/feeds.js
2014-02-08 17:41:30 -08:00

63 lines
2.0 KiB
JavaScript

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
XPCOMUtils.defineLazyModuleGetter(this, "Feeds",
"resource:///modules/Feeds.jsm");
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 rels = {};
if (rel) {
for each (let relVal in rel.split(/\s+/))
rels[relVal] = true;
}
if (rels.feed || (link.type && rels.alternate && !rels.stylesheet)) {
var type = Feeds.isValidFeed(link, gDocument.nodePrincipal, "feed" in rels);
if (type) {
type = feedTypes[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()
{
var listbox = document.getElementById("feedListbox");
openUILinkIn(listbox.selectedItem.getAttribute("feedURL"), "current",
{ ignoreAlt: true });
}
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);
}