This is that Greasmonkey Script for Graham javascript…

This is that Greasmonkey Script for Graham.

[javascript]
// ==UserScript==
// @name Twitter Remove Non-Followers
// @namespace http://userscripts.org/users/28
// @description Remove Twitter friends who don’t follow you back. Click the "Remove marked users" button at the bottom of the list to activate.
// @include http*://*twitter.com/following*
// @include http*://*twitter.com/*/following*
// ==/UserScript==

/*
ABOUT
=====

This script highlights the "remove" buttons for "friends" who don’t follow you
back on your Twitter Friends pages. A new action button is added at the bottom
of the page. When you click this button, all marked friends will be removed.

The scrip marks only users who:
<ul>
<li>don’t follow you ("don’t return the love")</li>
<li>have their updates unprotected (you can always remove these manually if you want).</li>
</ul>
By default, no action is taken, so you have the chance to inspect which users will
be removed before clicking the "Remove Marked" button.

Auto-mode: set property TwitterRemoveNonFollowers.autoMode to true and open
the "following" page, http://twitter.com/following
The script will auto-advance one page at a time.

NOTE: make sure you also allow scripts included from twimg.com if you’re using the NoScript add-on!!!

LICENSE
=======

(c) 2009 Johannes la Poutre

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

CHANGELOG
=========

Version 1.23 – 20091005
– Fix for auto mode: just follow "next" link

Version 1.23 – 20090915
– Fix for changed Twitter CSS
– Thanks Coree Silvera for letting me know!

Version 1.22 – 20090820
– Minor fix when running in auto-mode
– Added note about NoScript

Version 1.21 – 20090702
– Extra @include rule for /username/following pages

Version 1.20 – 20090702
– complete rewrite for new Twitter user interface

Version 1.01 – 20090403
– updated color scheme, removed debugging code

Version 1.00 – 20090403
– initial release
– does NOT remove users whose timeline is protected

*/

var TwitterRemoveNonFollowers = {
hitlist: [], // the list of ‘friends’ to remove
autoMode: false,
authenticity_token: ”,

init: function() {
// select users w/o DM command link and no Lock icon image
// var rows = document.evaluate("//button[contains(@class, ‘remove-button’)][not(following-sibling::span/a[contains(@href, ‘/direct_messages/create/’)])]",
// document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
// <tr id="user_15356378" class="user following direct-message-able odd">
var rows = document.evaluate("//tr[contains(@class, ‘following’)][not(contains(@class, ‘direct-messageable’))]",
document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0; i < rows.snapshotLength; i++) {
var btn = rows.snapshotItem(i);
btn.style.backgroundColor = ‘#bbb’;
btn.setAttribute(‘class’, ‘user following’);
// id="user_20707860"
var id = rows.snapshotItem(i).getAttribute(‘id’).substring(5);
this.hitlist.push(id);
}
if (this.hitlist.length) {
this.authenticity_token = unsafeWindow.twttr.form_authenticity_token;
var rmBtn = document.createElement(‘input’);
rmBtn.setAttribute(‘type’, ‘button’);
rmBtn.setAttribute(‘id’, ‘TwitterRemoveNonFollowersBtn’);
rmBtn.setAttribute(‘value’, ‘Remove marked (‘ + this.hitlist.length + ‘)’);
rmBtn.setAttribute(‘style’, ‘float:right;border: 1px solid lime’);
document.getElementById("pagination").appendChild(rmBtn);
rmBtn.addEventListener(‘click’, function() {
rmBtn.setAttribute(‘disabled’, ‘disabled’);
rmBtn.style.border = ‘1px solid silver’;
TwitterRemoveNonFollowers.remove();
}, true);
if (this.autoMode) {
rmBtn.click();
}
} else {
if (this.autoMode) {
this.nextPage();
}
}
// FIX…
unsafeWindow.alert = function(msg) {
GM_log("" + msg);
}
},

nextPage: function() {
var rows = document.evaluate("//a[contains(@rel, ‘next’)]",
document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
if (rows.snapshotLength) {
var next = rows.snapshotItem(0);
var link = next.getAttribute(‘href’);
// var page = link.match(/page=(\d+)/)[1];
// if (parseInt(page, 10) > this.keepPages) {
if (0 === link.indexOf(‘/’)) {
link = window.location.protocol + ‘//’ + window.location.host + link;
}
GM_log(link);
window.location.href = link;
// }
}
},

remove: function() {
if (this.hitlist.length) {
document.getElementById("TwitterRemoveNonFollowersBtn").setAttribute(‘value’, ‘Removing: ‘ + this.hitlist.length + ‘ to go…’);

// use native XMLHttpRequest otherwise the referrer gets not set correctly
var data = ‘authenticity_token=’+this.authenticity_token+’&twttr=true’;
var uid = this.hitlist.shift();
var url = window.location.protocol + ‘//’ + window.location.host +’/friendships/destroy/’ + uid;
var req = new XMLHttpRequest();
req.onreadystatechange = function() {
TwitterRemoveNonFollowers.remove_callback(req, uid);
};
req.open("POST", url, true);
req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
req.setRequestHeader("X-Requested-With", "XMLHttpRequest");
req.setRequestHeader("Accept", "application/json, text/javascript, */*");
req.setRequestHeader("Referer", window.location.href);
req.setRequestHeader("Content-Length", data.length);
req.send(data);
// id="user_20707860"
document.getElementById(‘user_’+uid).style.backgroundColor = ‘orange’;

setTimeout(function() { TwitterRemoveNonFollowers.remove(); }, 1000);
} else {
document.getElementById("TwitterRemoveNonFollowersBtn").setAttribute(‘value’, ‘All done.’);
if (this.autoMode) {
this.nextPage();
}
}
},

remove_callback: function(req, uid) {
if (req.readyState == 4) {
// only if "OK"
if (req.status == 200) {
// {"result":"unfollowed","success":true}
// GM_log(req.responseText);
document.getElementById(‘user_’+uid).style.display = ‘none’;
} else {
GM_log("There was a problem retrieving the XML data:\n" + req.statusText);
document.getElementById(‘user_’+uid).style.backgroundColor = ‘red’;
}
}
// GM_log(req.responseText);
}
};

TwitterRemoveNonFollowers.init();
[/javascript]

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