2023/3/29
// ==UserScript==
// @name bilibili默认开启ai字幕
// @namespace Violentmonkey Scripts
// @match *://www.bilibili.com/video/av*
// @match *://www.bilibili.com/video/BV*
// @match *://www.bilibili.com/list/*
// @match *://www.bilibili.com/bangumi/play/ep*
// @match *://www.bilibili.com/bangumi/play/ss*
// @match *://www.bilibili.com/cheese/play/ep*
// @match *://www.bilibili.com/cheese/play/ss*
// @grant none
// @version 1.250
// @author lazy cat
// @description 2023/3/29
// @license MIT
// @homepageURL https://greasyfork.org/zh-CN/scripts/462859-bilibili%E9%BB%98%E8%AE%A4%E5%BC%80%E5%90%AFai%E5%AD%97%E5%B9%95
// @homepage https://greasyfork.org/zh-CN/scripts/462859-bilibili%E9%BB%98%E8%AE%A4%E5%BC%80%E5%90%AFai%E5%AD%97%E5%B9%95
// @grant GM_registerMenuCommand
// ==/UserScript==
//判断字幕是否为ai生成
function ai_judgment(subtitle_button) {
var subtitle_state = document.querySelector('div[class="bpx-player-ctrl-subtitle-language-item bpx-state-active"]')
//判断字幕列表是否不为空
if (subtitle_state){
var subtitle_name = subtitle_state.innerText
var state_num = Number(subtitle_name.indexOf('自动'))
this.subtitle_button = subtitle_button
if (state_num != -1){
// 判断字幕是否开启
if (document.querySelectorAll('svg[preserveAspectRatio="xMidYMid meet"] > defs > filter').length === 3){
this.subtitle_button.click()
// 读取并应用本地记忆的字幕位置
setTimeout(() => {
read_sub_path()
}, 500);
}
console.log('字幕已开启')
}
else {
console.log('字幕不为ai生成，跳过该视频')
}
}
else {
console.log('该视频无字幕')
}
}
// 开启字幕函数
function open_subtitle(open_num, timeout) {
var subtitle_button = document.querySelector('[aria-label="字幕"] [class="bpx-common-svg-icon"]')
if (subtitle_button){
clearInterval(open_num)
clearTimeout(timeout)
ai_judgment(subtitle_button)
// 开始检测字幕位置
if (localStorage.getItem('sub_mod')) {
monitoring_sub()
}
}
}
//判断视频是否加载完毕
function voice_logding(run_num) {
if (document.querySelector('video[crossorigin="anonymous"]').readyState == 4){
console.log('视频加载完毕')
//设定超时
var timeout = setTimeout(function() {
console.log('字幕加载超时，当前视频可能无字幕')
clearInterval(open)
open = null
}, 5000)
//循环直到字幕加载完成或超时
var open = setInterval(function () {
open_subtitle(open, timeout)
}, 200)
//超时，停止open循环
clearInterval(run_num)
//一定时间后进行判断，防止页面url改变
setTimeout(list_judgment, 10000)
}
}
function list_judgment() {
//循环检查页面是否改变
setInterval(() => {
new_url = String(window.location.href)
if (new_url !== url){
open_subtitle()
url = new_url
}
}, 1000);
}
// 移动字幕防止更改
function move_sub(num) {
// 获取字幕元素
let sub_elem = document.querySelector('div[class="bpx-player-subtitle-panel-major-group"]')
// 获取元素位置信息
let sub_now_path = sub_elem.getBoundingClientRect()
// 创建鼠标点击事件
let sub_down = new MouseEvent('mousedown', {
bubbles: true,
cancelable: true,
clientX: sub_now_path.left,
clientY: sub_now_path.top
})
// 创建鼠标移动事件
let sub_move = new MouseEvent('mousemove', {
bubbles: true,
cancelable: true,
clientX: sub_now_path.left,
clientY: sub_now_path.top - num
})
// 创建鼠标释放事件
let sub_up = new MouseEvent('mouseup', {
bubbles: true,
cancelable: true,
clientX: sub_now_path.left,
clientY: sub_now_path.top - num
})
// 应用各个事件
sub_elem.dispatchEvent(sub_down)
sub_elem.dispatchEvent(sub_move)
sub_elem.dispatchEvent(sub_up)
}
// 储存字幕位置
function save_sub_path() {
let sub_path = document.querySelector('div[class="bpx-player-subtitle-panel-position"]').getAttribute('style')
// 使用正则表达式筛选top值
let re = /top: (\d+)px/
let top_num = sub_path.match(re)[1]
// 判断当前窗口是否活动
if (!document.hidden){
// 储存字幕位置到本地
localStorage.setItem('top_num', top_num)
}
}
// 读取并应用字幕位置
function read_sub_path() {
let locat_top_num = localStorage.getItem('top_num')
if (locat_top_num && localStorage.getItem('sub_mod')){
move_sub(1)
move_sub(-1)
// 应用字幕位置
let sub_path = document.querySelector('div[class="bpx-player-subtitle-panel-position"]').getAttribute('style')
// 使用正则表达式筛选top值
let re = /top: (\d+)px/
let top_num = sub_path.match(re)[1]
num = top_num - locat_top_num
move_sub(num)
save_sub_path()
}
}
// 监控字幕位置改变
function monitoring_sub() {
setInterval(() => {
let locat_top_num = localStorage.getItem('top_num')
// 获取失败则代表没有字幕
try{
let sub_path = document.querySelector('div[class="bpx-player-subtitle-panel-position"]').getAttribute('style')
// 使用正则表达式筛选top值
let re = /top: (\d+)px/
let top_num = sub_path.match(re)[1]
// 如果本地保存的位置和目前的位置不相等
if (locat_top_num != top_num){
save_sub_path()
}
}
catch (e) {
return
}
}, 2000);
}
// 是否记忆字幕位置
function change_sub_mod() {
let sub_mod = localStorage.getItem('sub_mod')
// 关闭记忆字幕
if (sub_mod) {
localStorage.removeItem('top_num')
localStorage.removeItem('sub_mod')
alert('已关闭记忆字幕位置')
}
// 开启记忆字幕
else {
// 修改判断变量
localStorage.setItem('sub_mod', true)
alert('已开启记忆字幕位置')
}
}
//开始运行程序
var new_url = ''
// var url = String(window.location.href)
setTimeout(() => {
url = String(window.location.href)
}, 5000);
//初始运行，在10秒内反复循环直到找到字幕或超时
var run = setInterval(function () {
voice_logding(run)
}, 200)
// 添加油猴脚本菜单
GM_registerMenuCommand('记忆字幕位置功能开关', change_sub_mod)