// ==UserScript==
// @name         直播顺畅
// @version      0.1.1
// @description  一个替换logo的脚本
// @author       You
// @match        https://www.google.com/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=google.com
// @grant        none
// @license      MIT
// @namespace http://tampermonkey.net/
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    var main_page_logo_xpath = "/html/body/div[1]/div[2]/div/img";
    var search_page_logo_xpath='/html/body/div[4]/div[2]/form/div[1]/div[1]/div[1]/a/img';
    var word_xpath="/html/body/div[1]/div[3]/form/div[1]/div[1]/div[4]/center/input[1]";
    var baidu_logo="https://www.baidu.com/img/pcdoodle_2a77789e1a67227122be09c5be16fe46.png";

    // 获取参照节点
    var contextNode = document;

    // 使用evaluate()方法获取所有符合条件的元素,修改主页面的logo
    var result = document.evaluate(main_page_logo_xpath, contextNode, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    var logoImg = result.snapshotItem(0);
    var newLogoImg = document.createElement('img');
    newLogoImg.src = baidu_logo;
    newLogoImg.width=272;
    logoImg.parentNode.replaceChild(newLogoImg, logoImg);
    // 修改搜索页面左上角的小logo
    result = document.evaluate(search_page_logo_xpath, contextNode, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    logoImg = result.snapshotItem(0);
    newLogoImg = document.createElement('img');
    newLogoImg.src = baidu_logo;
    newLogoImg.width=96;
    newLogoImg.height=30;
    logoImg.parentNode.replaceChild(newLogoImg, logoImg);

})();