favlevel.user.js

// ==UserScript==
// @name           favlevel
// @namespace      http://www.hatena.ne.jp/hitode909/
// @description    show favotter level
// @include        http://twitter.com/*
// @include        https://twitter.com/*
// @require        http://code.jquery.com/jquery-1.3.2.min.js
// ==/UserScript==

(function() {
     var BEGINNER_MODE = eval(GM_getValue("BEGINNER_MODE"));
     if (!BEGINNER_MODE) {
         BEGINNER_MODE = false;
     }
     GM_registerMenuCommand(
         'favlevel - toggle beginner mode',
         function () {
             BEGINNER_MODE = !BEGINNER_MODE;
             GM_setValue("BEGINNER_MODE", uneval(BEGINNER_MODE));
             alert("Beginner Mode: " + BEGINNER_MODE + " (" + BEGINNER_LEVEL + "favs)");
             // 計算しなおし
             $("a.favotter_link").remove();
         }
     );
     var BEGINNER_LEVEL = eval(GM_getValue("BEGINNER_LEVEL"));
     if (typeof BEGINNER_LEVEL == 'undefined') {
         BEGINNER_LEVEL = 1000;
     }
     GM_registerMenuCommand(
         'favlevel - toggle set beginner level',
         function () {
             var st = prompt("Your favs in begginer mode", BEGINNER_LEVEL);
             var level = parseInt(st);
             if (!isNaN(level) && level >= 0) {
                 BEGINNER_LEVEL = level;
                 GM_setValue("BEGINNER_LEVEL", uneval(BEGINNER_LEVEL));
             }
             alert("Beginner Mode: " + BEGINNER_MODE + " (" + BEGINNER_LEVEL + "favs)");
             if (BEGINNER_MODE) {
                 $("a.favotter_link").remove();
             }
         }
     );

     var getLoginUser = function() {
         var url = $("div.user_icon > a.url");
         if (url.length > 0) {
             url = url[0].href.split('/');
             url = url[url.length - 1];
             login_user = url;
             GM_setValue("login_user", login_user);
         } else {
             login_user = GM_getValue("login_user");
         }
     };
     
     var getUsers = function() {
         users = eval(GM_getValue("users"));
         if (!users) {
             users = {};
         }
         var now = Date.now();
         for (var i in users) if (users.hasOwnProperty(i)) {
             if (typeof(users[i]) == 'undefined' || users[i].due < now) {
                 delete(users[i]);
             }
         }
     };
     var saveUsers = function() {
         GM_setValue("users", uneval(users));
     };
     
     var getFav = function(name) {
         if (typeof users[name] == 'undefined') {
             users[name] = {level: null, try: 0, due: Date.now() + 3600*1000};
             GM_xmlhttpRequest({
                     method: "GET",
                     url: favotterUrlFor(name),
                     onload: function(response) {
                         try {
                             var title = $('title', $('<root>' + response.responseText + '</root>')).text();
                             var level = title.match(/\((\d+)\)/)[1];
                             var user = response.finalUrl.split('/').reverse()[0];
                             users[user].level = parseInt(level);
                             saveUsers();
                         } catch(e) {
                             console.log(e);
                         }
                     }
                 });
         }
         users[name].try++;
         return users[name];
     };

     var favotterUrlFor = function(name) {
         return 'http://favotter.net/user/' + name;
     };

     var appendFavLevel = function(target) {
         if ($("a.favotter_link", target).length > 0) return;
         var target_name;
         if (location.href == 'http://twitter.com/') {
             target_name = $($('a.screen-name',target)[0]).text();
         } else {
             target_name = location.href.split('/').reverse()[0];
         }
         target_name = target_name.replace(/\s/g, '');
         var fav = getFav(target_name);
         if (fav.level != null) {
             fav.try = 0;
             var anchor = document.createElement('a');
             anchor.className = 'favotter_link';
             anchor.setAttribute('href', favotterUrlFor(target_name));
             anchor.appendChild(document.createTextNode(fav.level + 'favs'));
             $($('span.entry-meta',target)[0]).append(anchor);

             // 自分のレベルが分かってるとき関係を出す
             if (BEGINNER_MODE || login_user && users[login_user].level) {
                 var login_user_level = BEGINNER_MODE ? BEGINNER_LEVEL : users[login_user].level;
                 var param = {"line-height": 1};
                 size = Math.sqrt(fav.level / login_user_level);

                 if (size > 4) {
                     param.color = "#FF0000";
                 } else if (size > 3) {
                     param.color = "#660099";
                 } else if (size > 2) {
                     param.color = "#009900";
                 } else if (size < 0.5) {
                     param.color = "#999999";
                 } else if (size < 0.7) {
                     param.color = "#4C4C4C";
                 }

                 if (size > 7) {
                     size = 7;
                 }
                 if (size < 0.7) {
                     size = 0.7;
                 }

                 param["font-size"] =  size+"em";
                 $("span.entry-content, a.screen-name", target).css(param);
             }

         } else if (fav.try > 10) {
             users[target_name].level = 0;
             saveUsers();
             appendFavLevel(target);
         }
     };

     getUsers();
     getLoginUser();
     if (login_user) {
         getFav(login_user);
     }
     var append = function() {
         $('li.status').each(
             function(){
                 var that=this;
                 setTimeout(function(){appendFavLevel(that);}, 0);
             }
         );
     };

     append(document);
     setInterval(append, 1000);

 }(jQuery));