By engtech
—
Last update
Apr 3, 2008
—
Installed
1,593 times.
/*
--------------------------------------------------------------------
How to Install a Greasemonkey Script
--------------------------------------------------------------------
- You need the Firefox web browser - Download and install
http://www.mozilla.com/en-US/firefox/
- You need to install Greasemonkey - How-To
http://internetducttape.com/2007/08/23/howto-install-firefox-extensions-screenshots/
- Install this script - How-To
http://internetducttape.com/2007/08/24/howto-use-firefox-greasemonkey-userscripts-screenshots/
*/
// ==UserScript==
// @name Friend Feed Remove Visited Links
// @namespace http://internetducttape.com
// @description Remove any links from the Friend Feed news stream that you've already visited
// @include http://friendfeed.com/*
// @exclude http://friendfeed.com/settings*
// @version 0.4
// ==/UserScript==
var friendfeedremovevisited_version = "0.4";
(function() {
autoUpdateFromUserscriptsDotOrg({
name: 'Friend Feed Remove Visited Links',
url: 'http://userscripts.org/scripts/source/24383.user.js',
version: friendfeedremovevisited_version,
});
// Uses jQuery
function main() {
/**
* @author Remy Sharp
* @date 2008-02-25
* @url
* @license Creative Commons License - ShareAlike http://creativecommons.org/licenses/by-sa/3.0/
*/
(function ($) {
$.fn.visited = function (fn) {
var iframe = document.createElement('iframe'),
links = this,
body = $('body'),
i,
win,
visitedList = {},
filter;
// we need the iframe visible, otherwise getComputedStyle doesn't work
iframe.style.position = 'absolute';
iframe.style.left = '-1000px';
iframe.height = '1';
iframe.width = '1';
iframe.id = 'visitedIF';
body.append(iframe);
win = iframe.contentDocument || iframe.contentWindow.document;
// insert the HTML
win.write(iframeHeader());
for (i = 0; i < links.length; i++) {
win.write('<a href="' + links[i].href + '">' + links[i].href + '</a>');
}
win.write(iframeFooter());
win.close();
// find the links which are green rgb(0, 255, 0) - troubled that I'm matching on a string like this.
$('a', win).each(function (i) {
var visited = getStyle(this, 'color', win);
visitedList[i] = !!(visited == 'rgb(0, 255, 0)');
});
$(iframe).remove();
filter = function (i) {
return visitedList[i];
};
return $.isFunction(fn) ? this.filter(filter).each(fn) : this.filter(filter);
}
// @private
function getStyle(x,styleProp, win) {
if (x.currentStyle)
var y = x.currentStyle[styleProp];
else if (win.defaultView.getComputedStyle) {
var y = win.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
}
return y;
}
function iframeHeader() {
return [
'<!' + 'DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"',
' "http://www.w3.org/TR/html4/loose.dtd">',
'<' + 'html>',
'<' + 'head>',
'<' + 'title>',
':visited iframe',
'<' + '/title>',
'<' + 'style>',
'a:visited { color: #0f0 ! important }', // where the magic happens
'<' + '/style>',
'<' + '/head>',
'<' + 'body>'
].join("\n");
}
function iframeFooter() {
return '<' + '/body>' + '<' + '/html>';
}
})(unsafeWindow.jQuery);
function remove_visited(node) {
$(node).find('div.entry a.main').visited(function () {
if (0 == $(this).parents('div.hiddenent').length) {
// only hide the links that aren't already hidden.
//console.log("hiddenent: ", $(this).parents('div.hiddenent').length, $(this).parents('div.hiddenent'));
var entries = $(this).parents('div.entries');
if (entries.children().length == 1) {
// if this is the only one inside a cluster, then hide that cluster.
entries.parents('div.cluster').hide();
}
//console.log("hiding: ", $(this).parents('div.entry'));
// <div id="e-1b281db6-c5ea-6855-3096-59072a51c360" class="entry other" tohide="54072c22-0b27-49cc-9a01-b102532bfa99_blog_1">
// at from cookie
// rules 1b281db6-c5ea-6855-3096-59072a51c360_e_2
var guid = $(this).parents('div.entry').attr('id').substring(2) + '_e_2';
var at = unsafeWindow.getCookie("AT");
//console.log("guid: ", guid);
//console.log("at: ", at);
$.post('/events/sethiderule ', {at:at, rules:guid});
}
});
};
remove_visited('div.feed');
addFilter(remove_visited);
}
function jquery_wait() {
if(typeof unsafeWindow.jQuery == 'undefined') { window.setTimeout(jquery_wait,100); }
else { $ = unsafeWindow.jQuery; main(); }
}
jquery_wait();
})();
function addFilter(func, i) {
i = i || 4;
if (window.AutoPagerize && window.AutoPagerize.addFilter) {
window.AutoPagerize.addFilter(function (nodes) {
nodes.forEach(func);
});
}
else if (i > 1) {
setTimeout(arguments.callee, 1000, func, i - 1);
}
else {
(function () {
func(document);
setTimeout(arguments.callee, 200);
})();
}
}
function autoUpdateFromUserscriptsDotOrg(SCRIPT) {
// Update code from Junk Blocker: http://loonyone.livejournal.com/
// usage example
// autoUpdateFromUserscriptsDotOrg({
// name: 'RSS+Atom Feed Subscribe Button Generator',
// url: 'http://userscripts.org/scripts/source/688.user.js',
// version: "1.2",
// });
try {
if (!GM_getValue) return; // Older version of Greasemonkey. Can't run.
// avoid a flood of dialogs e.g. when opening a browser with multiple tabs set to homepage
// and a script with * includes or opening a tabgrop
var DoS_PREVENTION_TIME = 2 * 60 * 1000;
var isSomeoneChecking = GM_getValue('CHECKING', null);
var now = new Date().getTime();
GM_setValue('CHECKING', now.toString());
if (isSomeoneChecking && (now - isSomeoneChecking) < DoS_PREVENTION_TIME) return;
// check daily
var ONE_DAY = 24 * 60 * 60 * 1000;
var ONE_WEEK = 7 * ONE_DAY;
var TWO_WEEKS = 2 * ONE_WEEK;
var lastChecked = GM_getValue('LAST_CHECKED', null);
if (lastChecked && (now - lastChecked) < TWO_WEEKS) return;
GM_xmlhttpRequest({
method: 'GET',
url: SCRIPT.url + '?source', // don't increase the 'installed' count just for update checks
onload: function(result) {
if (!result.responseText.match(/@version\s+([\d.]+)/)) return; // did not find a suitable version header
var theOtherVersion = parseFloat(RegExp.$1);
if (theOtherVersion <= parseFloat(SCRIPT.version)) return; // no updates or older version on userscripts.orge site
if (window.confirm('A new version ' + theOtherVersion + ' of greasemonkey script "' + SCRIPT.name + '" is available.\nYour installed version is ' + SCRIPT.version + ' .\n\nUpdate now?\n')) {
GM_openInTab(SCRIPT.url); // better than location.replace as doing so might lose unsaved data
}
}
});
GM_setValue('LAST_CHECKED', now.toString());
} catch (ex) {
}
}
