Twilog checker(worse edition)

twilog_checker.user.js

// ==UserScript==
// @name           Twilog checker
// @namespace      http://efcl.info/
// @include        http://twitter.com/*
// @include        https://twitter.com/*
// ==/UserScript==

// Original Twilog checker by @azu_re:
// http://userscripts.org/scripts/show/57387

// See also(in Japanese):
// http://d.hatena.ne.jp/n2s/20110207/twilogchecker

(function() {
    var isAccountCache = {};
    var icon_twilog = {
        "true": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAMFBMVEUyzP9Az/9N0/9b1v9o2v923f+E4P+R5P+f5/+s6/+67v/J8f/W9f/k+P/x/P////88uxCgAAAAdklEQVQIW2PIYAABtgaG/WAGxwGG/b96WD/zFTsw7N++n/0L/+4PQKn97F/lZ39gqD9ef+7f/ewPDBy/JP/2/QAqZlzMAAEs3+GM2J+C86+CGO/Ol/95rwBkfAeaUu8AEfkCZDA9BapJ7HeA6Nj/TwDCqJ7EAACswTQHiyoUtgAAAABJRU5ErkJggg==",
        "false": "data:image/png;base64,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"
    };
    var newUI = !!document.querySelector("#doc");
    if (!newUI) {
        try {
            var userName = document.getElementsByName("page-user-screen_name")[0].content;
            isAccount(userName);
        } catch(e) {
        }
    } else { // 新UI
        var gUN = function(p) {return p.querySelector(".screen-name").className.match(/screen-name-(\w+)/)[1]};
        var checkManipulated = [
            // right pane(tweet)
            { query: "div.details-pane-tweet",
              getUserName: function(p) {return p.getAttribute("data-screen-name");},
              target: "span.tweet-user-block-full-name"},
            // right pane(user profile)
            { query: "div.profile-text", getUserName: gUN, target: "div.full-name"},
            // user page
            { query: "div.profile-details", getUserName: gUN, target: "div.full-name"}
        ];
        setInterval(function() {
            var i, cM, pT;
            for (i=0; cM=checkManipulated[i]; i++) {
                if ((pT = document.querySelector(cM.query))
                   && !pT.getAttribute("data-twilog-linked")) {
                    pT.setAttribute("data-twilog-linked", "true");
                    var userName = cM.getUserName(pT);
                    isAccount(userName, pT.querySelector(cM.target));
                }
            }
        }, 1000);
    }

    function makeLink(isAccount, userName, setPoint2) {
        var ins;
        var setPoint = document.getElementById("profile-image");
        var aTag = document.createElement("a");
        aTag.href = "http://twilog.org/" + userName;
        var imgTag = document.createElement("img");
        imgTag.style.cssText = "width: 16px; height: 16px";
        imgTag.src = icon_twilog[isAccount == 1];
        aTag.appendChild(imgTag);
        if (setPoint2) {
            ins = setPoint2;
        } else if (newUI) {
            ins = document.querySelector(".full-name");
        } else if (setPoint) {
            ins = setPoint.parentNode.parentNode;
        } else {
            ins = document.getElementsByClassName("thumb clearfix")[0];
        }
        if (ins) {
            ins.appendChild(aTag);
        }
    }

    function isAccount(userName, setPoint2) {
        if (userName) {
            if (isAccountCache[userName] !== undefined) {
                makeLink(isAccountCache[userName], userName, setPoint2);
                return;
            }
            GM_xmlhttpRequest({
                method : 'get',
                url    : 'http://twilog.org/user-exist.cgi?id=' + userName,
                onload : function(res) {
                    var result = res.responseText;
                    isAccountCache[userName] = result;
                    makeLink(result, userName, setPoint2);
                },
                onerror: function(res) {
                    GM_log(res.responseText)
                }
            })
        }
    }
})();