// ==UserScript==
// @name         UCAS-SessionTimeoutHelper
// @namespace    http://tampermonkey.net/
// @version      0.40
// @description  block the deadline alert from ucas website to avoid session expire
// @author       y4ung
// @match        https://course.ucas.ac.cn/*
// @grant        none
// ==/UserScript==
(function() {
'use strict';
//alert("Run script BlockAlertHelper. By y4ung");
window.setInterval(function(){
checkSessionTimeoout();
}, 60000);
})();
function checkSessionTimeoout(){//检查会话是否快要过期
var timeout_alert_body = document.getElementById("timeout_alert_body");
if (null !== (timeout_alert_body)){//timeout_alert_body不为空，即已经出现会话过期的提示窗口
console.log("[INFO] 检测到会话过期提示框: %s", new Date().toLocaleString());
clickBtn(timeout_alert_body.children[1]);
}
}
function clickBtn(btn) { // 模拟浏览器的鼠标点击事件
const event = new MouseEvent('click', {
view: window,
bubbles: true,
cancelable: true
});
btn.dispatchEvent(event);
}