Userscripts.org

// Copyright 2009 KARASZI Istvan <facebook@spam.raszi.hu>.
// All rights Reserved.

// ==UserScript==
// @name          Facebook Status Cleaner
// @namespace     http://userscripts.org/users/20715/scripts
// @description   With this script you can clean the unwanted status messages on facebook.
// @include       http://*.facebook.com/*
// ==/UserScript==

//
// <helper functions>
//
function _XPath( query, context ) {
	if (arguments.length == 1) {
		context = document;
	}

	var d = context;

	if (context.ownerDocument) {
		d = context.ownerDocument;
	}

	return d.evaluate(query, context, _nsResolver, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
}

function _nsResolver( prefix ) {
	var ns = {
		'xhtml': 'http://www.w3.org/1999/xhtml'
	};

	return ns[prefix] || null;
}
//
// </helper functions>
//

function _hideStory( story ) {
	story.style.display = "none";
}

function _checkStoryItems() {
	var home = _XPath("//div[@id='home_stream']");

	if (home.snapshotLength != 1) {
		return false;
	}

	var stories = _XPath("//div[contains(@class, 'UIStory')]", home.snapshotItem(0));

	next_story:
		for (var i = 0; i < stories.snapshotLength; i++) {
			var story = stories.snapshotItem(i);
			var text = story.textContent;

			//
			// check for content
			if (text.match(/Take this/)) {
				_hideStory(story);
				continue next_story;
			}

			//
			// check for anchors
			var anchors = _XPath("/a[contains(@href, 'apps.facebook.com')]", story);

			if (anchors.snapshotLength != 0) {
				for(var j = 0; j < anchors.snapshotLength; j++) {
					var a = anchors.snapshotItem(j);
					var href = a.getAttribute("href");

					if (href.match(/quiz/i)) {
						_hideStory(story);
						continue next_story;
					}
				}
			}
		}
}

_checkStoryItems();

// vim: ts=4 sw=4