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大重构，优化本地调试
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IndieKKY
@@ -1,256 +0,0 @@
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const {TOTAL_HEIGHT_DEF, HEADER_HEIGHT, TOTAL_HEIGHT_MIN, TOTAL_HEIGHT_MAX, IFRAME_ID} = require("../const");
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var totalHeight = TOTAL_HEIGHT_DEF
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const getVideoElement = () => {
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const videoWrapper = document.getElementById('bilibili-player')
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return videoWrapper.querySelector('video')
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}
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const timerIframe = setInterval(function () {
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var danmukuBox = document.getElementById('danmukuBox')
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if (danmukuBox) {
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clearInterval(timerIframe)
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//延迟插入iframe（插入太快，网络较差时容易出现b站网页刷新，原因暂时未知，可能b站的某种机制？）
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setTimeout(() => {
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var vKey = ''
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for (const key in danmukuBox?.dataset) {
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if (key.startsWith('v-')) {
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vKey = key
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break
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}
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}
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const iframe = document.createElement('iframe')
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iframe.id = IFRAME_ID
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iframe.src = chrome.runtime.getURL('index.html')
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iframe.style = 'border: none; width: 100%; height: 44px;margin-bottom: 3px;'
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iframe.allow = 'clipboard-read; clipboard-write;'
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if (vKey) {
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iframe.dataset[vKey] = danmukuBox?.dataset[vKey]
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}
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//insert before first child
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danmukuBox?.insertBefore(iframe, danmukuBox?.firstChild)
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console.debug('iframe inserted')
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}, 1500)
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}
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}, 1000)
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let aid = 0
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let title = ''
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let pages = []
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let pagesMap = {}
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let lastAidOrBvid = null
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const refreshVideoInfo = async () => {
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const iframe = document.getElementById(IFRAME_ID)
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if (!iframe) return
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// fix: https://github.com/IndieKKY/bilibili-subtitle/issues/5
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// 处理稍后再看的url( https://www.bilibili.com/list/watchlater?bvid=xxx&oid=xxx )
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const pathSearchs = {}
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location.search.slice(1).replace(/([^=&]*)=([^=&]*)/g, (matchs, a, b, c) => pathSearchs[a] = b)
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// bvid
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let aidOrBvid = pathSearchs.bvid // 默认为稍后再看
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if (!aidOrBvid) {
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let path = location.pathname
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if (path.endsWith('/')) {
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path = path.slice(0, -1)
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}
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const paths = path.split('/')
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aidOrBvid = paths[paths.length - 1]
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}
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if (aidOrBvid !== lastAidOrBvid) {
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// console.debug('refreshVideoInfo')
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lastAidOrBvid = aidOrBvid
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if (aidOrBvid) {
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//aid,pages
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let cid
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let subtitles
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if (aidOrBvid.toLowerCase().startsWith('av')) {//avxxx
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aid = aidOrBvid.slice(2)
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pages = await fetch(`https://api.bilibili.com/x/player/pagelist?aid=${aid}`, {credentials: 'include'}).then(res => res.json()).then(res => res.data)
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cid = pages[0].cid
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title = pages[0].part
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await fetch(`https://api.bilibili.com/x/player/v2?aid=${aid}&cid=${cid}`, {credentials: 'include'}).then(res => res.json()).then(res => {
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subtitles = res.data.subtitle.subtitles
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})
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} else {//bvxxx
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await fetch(`https://api.bilibili.com/x/web-interface/view?bvid=${aidOrBvid}`, {credentials: 'include'}).then(res => res.json()).then(async res => {
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title = res.data.title
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aid = res.data.aid
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cid = res.data.cid
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pages = res.data.pages
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})
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await fetch(`https://api.bilibili.com/x/player/v2?aid=${aid}&cid=${cid}`, {credentials: 'include'}).then(res => res.json()).then(res => {
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subtitles = res.data.subtitle.subtitles
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})
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}
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//pagesMap
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pagesMap = {}
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pages.forEach(page => {
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pagesMap[page.page + ''] = page
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})
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console.debug('refreshVideoInfo: ', aid, cid, pages, subtitles)
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//send setVideoInfo
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iframe.contentWindow.postMessage({
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type: 'setVideoInfo',
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url: location.origin + location.pathname,
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title,
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aid,
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pages,
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infos: subtitles,
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}, '*')
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}
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}
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}
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let lastAid = null
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let lastCid = null
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const refreshSubtitles = () => {
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const iframe = document.getElementById(IFRAME_ID)
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if (!iframe) return
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const urlSearchParams = new URLSearchParams(window.location.search)
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const p = urlSearchParams.get('p') || 1
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const page = pagesMap[p]
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if (!page) return
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const cid = page.cid
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if (aid !== lastAid || cid !== lastCid) {
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console.debug('refreshSubtitles', aid, cid)
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lastAid = aid
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lastCid = cid
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if (aid && cid) {
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fetch(`https://api.bilibili.com/x/player/v2?aid=${aid}&cid=${cid}`, {
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credentials: 'include',
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})
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.then(res => res.json())
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.then(res => {
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// console.log('refreshSubtitles: ', aid, cid, res)
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iframe.contentWindow.postMessage({
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type: 'setInfos',
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infos: res.data.subtitle.subtitles
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}, '*')
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})
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}
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}
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}
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// 监听消息
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window.addEventListener("message", (event) => {
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const {data} = event
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if (data.type === 'fold') {
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const iframe = document.getElementById(IFRAME_ID)
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iframe.style.height = (data.fold ? HEADER_HEIGHT : totalHeight) + 'px'
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}
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if (data.type === 'move') {
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const video = getVideoElement()
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if (video) {
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video.currentTime = data.time
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if (data.togglePause) {
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video.paused ? video.play() : video.pause()
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}
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}
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}
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//刷新视频信息
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if (data.type === 'refreshVideoInfo') {
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refreshVideoInfo().catch(console.error)
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}
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//刷新字幕
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if (data.type === 'refreshSubtitles') {
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refreshSubtitles()
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}
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if (data.type === 'getSubtitle') {
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let url = data.info.subtitle_url
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if (url.startsWith('http://')) {
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url = url.replace('http://', 'https://')
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}
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fetch(url).then(res => res.json()).then(res => {
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event.source.postMessage({
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data: {
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info: data.info,
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data: res,
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}, type: 'setSubtitle'
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}, '*')
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})
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}
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if (data.type === 'getCurrentTime') {
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const video = getVideoElement()
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if (video) {
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event.source.postMessage({
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data: {
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currentTime: video.currentTime
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}, type: 'setCurrentTime'
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}, '*')
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}
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}
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if (data.type === 'getSettings') {
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const videoElement = getVideoElement()
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totalHeight = videoElement ? Math.min(Math.max(videoElement.offsetHeight, TOTAL_HEIGHT_MIN), TOTAL_HEIGHT_MAX) : TOTAL_HEIGHT_DEF
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event.source.postMessage({
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data: {
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noVideo: !videoElement,
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totalHeight,
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}, type: 'setSettings'
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}, '*')
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}
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if (data.type === 'downloadAudio') {
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const html = document.getElementsByTagName('html')[0].innerHTML
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const playInfo = JSON.parse(html.match(/window.__playinfo__=(.+?)<\/script/)[1])
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const audioUrl = playInfo.data.dash.audio[0].baseUrl
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fetch(audioUrl).then(res => res.blob()).then(blob => {
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const a = document.createElement('a')
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a.href = URL.createObjectURL(blob)
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a.download = `${title}.m4s`
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a.click()
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})
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}
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if (data.type === 'updateTransResult') {
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const trans = data.result??''
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let text = document.getElementById('trans-result-text')
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if (text) {
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text.innerHTML = trans
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} else {
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const container = document.getElementsByClassName('bpx-player-subtitle-panel-wrap')?.[0]
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if (container) {
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const div = document.createElement('div')
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div.style.display = 'flex'
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div.style.justifyContent = 'center'
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div.style.margin = '2px'
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text = document.createElement('text')
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text.id = 'trans-result-text'
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text.innerHTML = trans
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text.style.fontSize = '1rem'
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text.style.padding = '5px'
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text.style.color = 'white'
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text.style.background = 'rgba(0, 0, 0, 0.4)'
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div.append(text)
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container.append(div)
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}
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}
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text && (text.style.display = trans ? 'block' : 'none')
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}
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}, false);
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setInterval(() => {
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refreshVideoInfo().catch(console.error)
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refreshSubtitles()
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}, 1000)
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