// CHANGES
//
// 2005.03.30 - handle google redirects
//
// This file is licensed under the BSD-new license:
// http://www.opensource.org/licenses/bsd-license.php
// ==UserScript==
// @name annotate google
// @namespace http://ponderer.org
// @description Add extra information to google search results
// @include http://google.com/*
// @include http://www.google.com/*
// @exclude http://mail.google.com/*
// ==/UserScript==
(function() {
var AG_XML_ICON = '<img src="data:image/gif;base64,R0lGODlhEwAJAPcAAP9kAP+obv+rdP+sdf9yFOh+N/9tDP9gAI9DFI5BFI9GFfnk1v6WUPTu6Y5D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\nRpovDgghSKBEAZMENO4QGo1gQkAAOw==\n" style="border:none;" />';
var REDIRECT = 'http://www.google.com/url?';
function createLink(href, txt) {
var link = document.createElement('a');
link.setAttribute('href', href);
//link.appendChild(document.createTextNode(txt));
link.innerHTML = txt;
return link;
}
function removeGoogleRedirect(url) {
if (url.substr(0, REDIRECT.length) == REDIRECT) {
var url_tokens = url.split('&');
for (var t in url_tokens) {
var token = url_tokens[t];
if (token.substr(0, 2) == 'q=') {
url = decodeURIComponent(token.substr(2));
break;
}
}
}
return url;
}
function getDelLink(url) {
return 'http://del.icio.us/url?url='
+ encodeURIComponent(removeGoogleRedirect(url))
}
function xpath(expr, doc) {
if (!doc) {
doc = document;
}
var iter = document.evaluate(expr, doc, null,
XPathResult.ANY_TYPE, null);
var ret = [];
var n;
while (n = iter.iterateNext()) {
ret.push(n);
}
return ret;
}
// from http://www.quirksmode.org/js/findpos.html
function findPosX(obj) {
var curleft = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
}
else if (obj.x)
curleft += obj.x;
return curleft;
}
function findPosY(obj) {
var curtop = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curtop += obj.offsetTop
obj = obj.offsetParent;
}
}
else if (obj.y)
curtop += obj.y;
return curtop;
}
function makeDelClosure(url) {
return function(ev) {
var x = findPosX(this);
var y = findPosY(this);
GM_xmlhttpRequest({
headers: [{'User-Agent': 'annotate_google; http://ponderer.org/download/annotate_google.user.js'}],
method: 'GET',
url: url,
onload: function(res) {
//turn the text into a dom object
var doc = document.createElement('div');
doc.innerHTML = res.responseText;
var divs = doc.getElementsByTagName('div');
for (var i in divs) {
var div = divs[i];
if (div.getAttribute && div.getAttribute('class') == 'right list') {
div.removeChild(div.childNodes[1]);
//div.childNodes[1].innerHTML = 'tags';
var links = div.getElementsByTagName('a');
var numLinks = 0;
for (var l in links) {
if (links[l].href) {
numLinks++;
var href = links[l].getAttribute('href');
links[l].href = 'http://del.icio.us' + href;
}
}
if (0 == numLinks) {
div.innerHTML = 'no tags';
}
div.style.position = 'absolute';
div.style.top = y + 'px';
div.style.left = (x + 25) + 'px';
div.style.backgroundColor = '#afa';
div.style.opacity = '0.9';
div.style.fontSize = '70%';
div.style.padding = '4px 14px 4px 4px';
var close = document.createElement('a');
close.innerHTML = 'X';
close.style.position = 'absolute';
close.style.top = '4px';
close.style.right = '4px';
close.style.cursor = 'pointer';
close.onclick = function(ev) {
this.parentNode.parentNode.removeChild(this.parentNode);
};
div.appendChild(close);
document.body.appendChild(div);
break;
}
}
}
});
};
}
function checkFeed(id, url) {
GM_xmlhttpRequest({
headers: [{'User-Agent': 'annotate_google; http://ponderer.org/download/annotate_google.user.js'}],
method: 'GET',
url: url,
onload: function(res) {
// remove the '?' layer
var elt = document.getElementById(id);
var nl = elt.childNodes;
for (var i = 0; i < nl.length; i++)
elt.removeChild(nl.item(i));
// try to turn the text into a dom object
var doc = document.createElement('div');
doc.innerHTML = res.responseText;
// see if there's a rss or atom file
var links = doc.getElementsByTagName('link');
var rss = '', atom = '';
for (var l in links)
{
var link = links[l];
if (link.getAttribute && link.getAttribute('rel') == 'alternate'
&& link.getAttribute('type') == 'application/rss+xml')
{
rss = link.getAttribute('href');
}
else if (link.getAttribute
&& link.getAttribute('rel') == 'alternate'
&& link.getAttribute('type') == 'application/atom+xml')
{
atom = link.getAttribute('href');
}
}
if (rss)
{
elt.appendChild(createLink(rss, AG_XML_ICON));
elt.appendChild(document.createTextNode(' '));
}
else if (atom)
{
elt.appendChild(createLink(atom, AG_XML_ICON));
elt.appendChild(document.createTextNode(' '));
}
}
});
}
function annotate() {
// get all the links
// also compatible with the add headings to google user script
var nodes = xpath("//p[@class='g']/a[1] | //p[@class='g']/h2/a[1]",
document);
for (var n in nodes) {
var node = nodes[n];
// create a span element for feed query
var span = document.createElement('span');
span.appendChild(document.createTextNode('? '));
var id = 'r' + n;
span.setAttribute('id', id);
node.parentNode.insertBefore(span, node);
// make the feed request
checkFeed(id, removeGoogleRedirect(node.href));
// create a span element for delicious query
span = document.createElement('span');
span.setAttribute('style', 'font-size:70%');
span.appendChild(document.createTextNode(' '));
var delUrl = getDelLink(node.href);
var link = createLink(delUrl, 'info');
link.title = 'go to del.icio.us';
span.appendChild(link);
span.appendChild(document.createTextNode(' '));
link = createLink('#', 'tags');
link.title = 'show tags';
link.onclick = makeDelClosure(delUrl);
span.appendChild(link);
node.parentNode.insertBefore(span, node.nextSibling);
}
}
// make sure this is a google search result page
var nodes = document.getElementsByTagName('title');
var isSERP = 0;
for (var n in nodes) {
var node = nodes[n];
if (node.text && node.text.substr(0, 14) == 'Google Search:') {
isSERP = 1;
break;
}
}
if (isSERP)
annotate();
})();
