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// ==UserScript==
// @name 课程视频助手
// @namespace http://tampermonkey.net/
// @version 0.7
// @description 防止掉线；每分钟更新视频观看时间；结束后自动跳转下一视频；解除鼠标右键和F12禁用
// @author 零度
// @match *://course.ucas.ac.cn/portal/site/*/tool/*/video/*
// @grant GM_setValue
// @grant GM_getValue
// @downloadURL https://update.greasyfork.icu/scripts/397309/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91%E5%8A%A9%E6%89%8B.user.js
// @updateURL https://update.greasyfork.icu/scripts/397309/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91%E5%8A%A9%E6%89%8B.meta.js
// ==/UserScript==
(function() {
'use strict';
var doc = document;
var url = doc.URL;
var html_source = doc.documentElement.outerHTML;
if(url.indexOf('list')>=0){
var video_id_list = html_source.match(/(?<=gotoPlay\(\')[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}/g);
GM_setValue('VideoList', video_id_list);
}
else if(url.indexOf('play')>=0){
portal.updateVideoView_url = html_source.match(/(?<=\$\.post\(\").*w(?=\",)/)[0];
portal.updateVideoView_id = html_source.match(/(?<=id\:\s\")[0-9]*/)[0];
portal.updateVideoView = function updateVideoView(){
var videoState = $("#videoState").val();
if(videoState=="1"){
$.post(portal.updateVideoView_url, { id: portal.updateVideoView_id },
function(data, state){
console.log('更新视频观看时间：'+state);
return("确定要关闭页面吗?");
}
);
}
}
portal.forever_keep_alive = function forever_keep_alive(){
clearTimeout(sessionTimeOut);
keep_session_alive();
portal.updateVideoView();
portal.forever_keep_alive_timer = setTimeout('portal.forever_keep_alive()', 60000);
}
portal.forever_keep_alive();
portal.video_list = GM_getValue('VideoList', '');
if(portal.video_list!=''){
portal.cur_video_id = url.match(/(?<=id\=)[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}/)[0];
var cur_video_index = portal.video_list.indexOf(portal.cur_video_id);
if(cur_video_index>0){
portal.next_video_id = portal.video_list[cur_video_index-1];
portal.next_video_url = url.replace(/(?<=id\=)[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}/, portal.next_video_id);
portal.goto_next_video = function goto_next_video(){
window.location = portal.next_video_url
}
}
else{
portal.next_video_id = null;
portal.next_video_url = null;
portal.goto_next_video = function goto_next_video(){
alert('暂无下一个视频！')
}
}
player.on("ended", function(){
console.log("播放结束");
portal.updateVideoView();
$("#videoState").val("0");
console.log("10秒后进入下一个视频");
portal.goto_next_video_timer = setTimeout('portal.goto_next_video()', 10000);
});
}
else{
alert('未获取到视频列表，请返回视频列表后再点击进入视频播放界面！')
}
}
//following code is copied from chrome extension 'Enable Copy'
var body = doc.body;
var html = doc.documentElement;
function allowUserSelect(element) {
element.setAttribute('style', '-webkit-user-select: auto !important');
element.setAttribute('style', 'user-select: auto !important');
return element;
}
function clearHandlers() {
html.onselectstart = html.oncopy = html.oncut = html.onpaste = html.onkeydown = html.oncontextmenu = html.onmousemove = body.oncopy = body.oncut = body.onpaste = body.onkeydown = body.oncontextmenu = body.onmousedown = body.onmousemove = body.onselectstart = body.ondragstart = doc.onselectstart = doc.oncopy = doc.oncut = doc.onpaste = doc.onkeydown = doc.oncontextmenu = doc.onmousedown = doc.onmouseup = window.onkeyup = window.onkeydown = null;
allowUserSelect(html);
allowUserSelect(body);
}
clearHandlers();
var jQuery = window.jQuery;
var $Fn = window.$Fn;
if ($Fn) {
try {
$Fn.freeElement(doc);
$Fn.freeElement(body);
} catch (e) {}
}
var jindo = window.jindo;
if (jindo) {
jindo.$A = null;
}
var domain_pattern = /^https?:\/\/([^\/]+)/;
var result = domain_pattern.exec(url);
if (result) {
try {
var domain = result[1];
if (jQuery) {
var $doc = jQuery(doc);
var $body = jQuery(body);
if ($doc.off) {
$doc.off();
$body.off();
jQuery(window).off();
} else {
$doc.unbind();
$body.unbind();
jQuery(window).unbind();
}
}
} catch (e) {
console.log(e);
}
}
})();