Fav on LDR

favon_ldr.user.js

// ==UserScript==
// @name           Favon LDR
// @namespace      http://hoge.sub.jp/blog/
// @description    add to twitter's favorites on LDR
// @include        http://reader.livedoor.com/reader/*
// @include        http://fastladder.com/reader/*
// @resource       star   http://assets0.twitter.com/images/icon_star_full.gif
// @version        0.0.3
// ==/UserScript==

GM_addStyle(<><![CDATA[
  .favon_ldr_complete {background-color : #F5EBE1 !important;}
]]></>);

(function(){

  //keymap
  const KEY = 'e';
  const ICON_STAR = GM_getResourceURL('star');


  //domain_name to id_regex
  function get_id_regex(domain){
    if(domain == 'twitter.com' ||  //twitter and kichikutter
       domain == 'kichiku.oq.la' ||
       domain == 'pcod.no-ip.org' ||
       domain == 'search.twitter.com' ||
       domain == 'pipes.yahoo.com'
      ) {
        return /.*\/([0-9]+)/;
    } else if (domain == 'favotter.net' || //favotter and twitter_search
               domain == 'twitter.1x1.jp'){
      return /.*?id=(.*)/;
    } else {
      return false;
    }
  }

  var w = unsafeWindow;
  var _onload = w.onload;

  var onload = function(){
    
    w.Keybind.add(KEY, function(){
      var item = w.get_active_item(true);
      var feed = w.get_active_feed();
      var domain = feed.channel.feedlink.replace( /^http:\/\/([^\/]+).*/ig , "$1" );
      var id_regex = get_id_regex(domain);

      //do nothing
      if(!id_regex){
        w.message('Zzz...');
        return;
      }

      w.updater('item_body_' + item.id, function(){
        this.innerHTML = '<div class="favon_ldr_complete">' + item.body + '&nbsp;&nbsp;'
                         + '<img src="'+ICON_STAR+'">' + '</div>';
      });

      var id = item.link.replace(id_regex, "$1");

      var request_opt = {
        method: 'POST',
        url: 'http://twitter.com/favorites/create/' + id + '.xml',
        headers: {
          'Content-Type'   : 'application/x-www-form-urlencoded',
          'Content-Length' : 0
        },
        onload: function(res){
          //error check
          if(res.status == 200 && res.statusText == 'OK'){
            w.message('[status:'+ id +'] you add favorites');
            w.update('item_body_' + item.id);
          } else {
            w.message('fail... please retry later.');
          }
        },
        onerror: function(res){
          w.message('fail... please retry later.');
        }
      }

      w.setTimeout(function() {
        GM_xmlhttpRequest(request_opt);
      }, 0);
    });
  }

  w.onload = function(){
    _onload();
    onload();
  }

})();