me2Kit.user.js

// ==UserScript==
// @name          me2Kit
// @namespace     http://jayg.org/projects/me2Kit
// @description   Filter messages based on tags and automatically load messages when you scroll down.
// @include       http://me2day.net/*
// @version       0.0.3 Prototype
// ==/UserScript==

/* Configurations */
var blacklist = new Array('twi2me');


function filter_messages()
{
  var sections = document.getElementsByClassName('sec_post');
  for (var i = scanned; i < sections.length; i++)
  {
    var filtered = 0;
    var messages = sections[i].getElementsByClassName('post_section');
    for (var j = 0; j < messages.length; j++)
    {
      var tagline = messages[j].getElementsByClassName('tagline');
      if (tagline.length > 0)
      {
        tagline = tagline[0];

        var tags = tagline.getElementsByTagName('a');
        var blocked = false;

        for (var k = 0; k < tags.length; k++)
        {
          if (tags[k].getAttribute('rel') == 'tag')
          {
            for (var q = 0; q < blacklist.length; q++)
            {
              if (tags[k].firstChild.nodeValue == blacklist[q])
              {
                messages[j].style.display = 'none';
                blocked = true;
                filtered++;
                break;
              }
            }
            if (blocked) break;
          }
        }
      }
    }
    if (messages.length == filtered)
    {
      sections[i].style.display = 'none';
    }
  }
  scanned = (sections.length == 0) ? 0 : sections.length - 1;
}

function load_messages()
{
  if (loading_messages == false)
  {
    loading_messages = true;
    old_href = get_mystream_link.getAttribute('href');
    var old_height = container_contents.clientHeight;

    if (typeof(unsafeWindow) != 'undefined')
    {
      unsafeWindow.Stream.get_more_posts();
    }
    else
    {
      window.Stream.get_more_posts();
    }

    tried = 0;
    var finalize = function() {
      if (tried < 5)
      {
        tried++;
        if ((old_href != get_mystream_link.getAttribute('href')) && (old_height < container_contents.clientHeight))
        {
          filter_messages();
          loading_messages = false;
        }
        else
        {
          setTimeout(finalize, 500);
        }
      }
    };
    setTimeout(finalize, 500);
  }

  return false;
}


var tried = 0;
var scanned = 0;
var loading_messages = true;
var get_mystream_link = null;
var container_contents = null;
var old_href = '';

setTimeout(function() {
  get_mystream_link = document.getElementById('get_mystream_link');
  if (get_mystream_link)
  {
    old_href = get_mystream_link.getAttribute('href');
    get_mystream_link.addEventListener('click', load_messages, false);
    container_contents = document.getElementById('container_contents');
    window.addEventListener('scroll', function () {
      if (container_contents.clientHeight < (window.scrollY + window.innerHeight + 200))
      {
        load_messages();
      }
    } , false);
    filter_messages();
    loading_messages = false;
  }
}, 1500);