// ==UserScript==
// @name Bilibili CC字幕助手
// @namespace indefined
// @version 0.4.1
// @description ASS/SRT/LRC格式字幕下载，本地ASS/SRT/LRC格式字幕加载，旧版播放器可用CC字幕
// @author indefined
// @supportURL https://github.com/indefined/UserScripts/issues
// @include http*://www.bilibili.com/video/av*
// @include http*://www.bilibili.com/bangumi/play/ss*
// @include http*://www.bilibili.com/bangumi/play/ep*
// @include http*://www.bilibili.com/watchlater/
// @license MIT
// @grant none
// @downloadURL none
// ==/UserScript==
(function() {
'use strict';
const elements = {
subtitleStyle:`
`,
oldEnableIcon:`
`,
oldDisableIcon:`
`,
createAs(nodeType,config,appendTo){
const element = document.createElement(nodeType);
config&&this.setAs(element,config);
appendTo&&appendTo.appendChild(element);
return element;
},
setAs(element,config,appendTo){
config&&Object.entries(config).forEach(([key, value])=>{
element[key] = value;
});
appendTo&&appendTo.appendChild(element);
return element;
},
getAs(selector,config,appendTo){
if(selector instanceof Array) {
return selector.map(item=>this.getAs(item));
}
const element = document.body.querySelector(selector);
element&&config&&this.setAs(element,config);
element&&appendTo&&appendTo.appendChild(element);
return element;
},
createSelector(config,appendTo){
const selector = this.createAs('div',{
id:'subtitle-language-div',
className:"bilibili-player-block-string-type bpui-component bpui-selectmenu selectmenu-mode-absolute",
style:"width:"+config.width
},appendTo),
label = this.createAs('div',{className:'bpui-selectmenu-txt'},selector),
selected = config.datas.find(item=>item.value==config.initValue);
selected&&(label.innerHTML=selected.content)||(label.innerText=config.initValue);
this.createAs('div',{className:'bpui-selectmenu-arrow bpui-icon bpui-icon-arrow-down'},selector);
const list = this.createAs('ul',{
className:'bpui-selectmenu-list bpui-selectmenu-list-left',
style:`max-height:${config.height||'100px'};overflow:hidden auto;white-space:nowrap;`
},selector);
config.datas.forEach(item=>{
this.createAs('li',{
className:'bpui-selectmenu-list-row',
innerHTML:item.content,
onclick:e=>{
label.dataset.value = e.target.dataset.value;
label.innerHTML = e.target.innerHTML;
item.handler(e);
}
},list).dataset.value = item.value;
});
return selector;
},
createRadio(config,appendTo){
this.createAs('input',{
...config,type: "radio",style:"cursor:pointer;5px;vertical-align: middle;"
},appendTo);
this.createAs('label',{
style:"margin-right: 5px;cursor:pointer;vertical-align: middle;",
innerText:config.value
},appendTo).setAttribute('for',config.id);
}
};
//内嵌ASS格式样式头
const assHead = `\
[Script Info]
Title: ${document.title}
ScriptType: v4.00+
Collisions: Reverse
PlayResX: 1280
PlayResY: 720
WrapStyle: 3
ScaledBorderAndShadow: yes
; ----------------------
; 本字幕由CC字幕助手自动转换
; 字幕来源${document.location}
; 脚本地址https://greasyfork.org/scripts/378513
; 设置了字幕过长自动换行，但若字幕中没有空格换行将无效
; 字体大小依据720p 48号字体等比缩放
; 如显示不正常请尝试使用SRT格式
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, \
StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,Segoe UI,48,&H00FFFFFF,&HF0000000,&H00000000,&HF0000000,1,0,0,0,100,100,0,0.00,1,1,3,2,30,30,20,1
[Events]
Format: Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text
`;
//编码器，用于将B站BCC字幕编码为常见字幕格式下载
class Encoder{
constructor(data){
if(!data||!data.body instanceof Array){
throw '数据错误';
}
this.data = data.body;
this.type = undefined;
this.showDialog();
}
showDialog(){
const settingDiv = elements.createAs('div',{
style :'position: fixed;top: 0;bottom: 0;left: 0;right: 0;background: rgba(0,0,0,0.4);z-index: 1048576;'
},document.body),
panel = elements.createAs('div',{
style:'left: 50%;top: 50%;position: absolute;padding: 20px;background:white;'
+ 'border-radius: 8px;margin: auto;transform: translate(-50%,-50%);',
innerHTML: '字幕下载
'
+ ''
+ `当前版本：${typeof(GM_info)!="undefined"&&GM_info.script.version||'unknow'}`
},settingDiv),
textArea = this.textArea = elements.createAs('textarea',{
style: 'width:350px;height: 320px;rsize:both;',readonly: true
},panel),
bottomPanel = elements.createAs('div',{
},panel);
elements.createRadio({
id:'subtitle-download-ass',name: "subtitle-type",value:"ASS",
onchange: ()=>this.encodeToASS()
},bottomPanel);
elements.createRadio({
id:'subtitle-download-srt',name: "subtitle-type",value:"SRT",
onchange: ()=>this.encodeToSRT()
},bottomPanel);
elements.createRadio({
id:'subtitle-download-lrc',name: "subtitle-type",value:"LRC",
onchange: ()=>this.encodeToLRC()
},bottomPanel);
//下载
this.actionButton = elements.createAs('a',{
className: 'bpui-button bpui-state-disabled',
innerText: "下载",style: 'height: 24px;margin-right: 5px;'
},bottomPanel);
//关闭
elements.createAs('button',{
innerText: "关闭",className: "bpui-button",
onclick: ()=>document.body.removeChild(settingDiv)
},bottomPanel);
}
updateDownload(result,type){
this.textArea.value = result;
URL.revokeObjectURL(this.actionButton.href);
this.actionButton.classList.remove('bpui-state-disabled');
this.actionButton.href = URL.createObjectURL(new Blob([result]));
this.actionButton.download = `${document.title}.${type}`;
}
encodeToLRC(){
this.updateDownload(this.data.map(({from,to,content})=>{
return `${this.encodeTime(from,'LRC')} ${content.replace(/\n/g,' ')}`;
}).join('\r\n'),'lrc');
}
encodeToSRT(){
this.updateDownload(this.data.reduce((accumulator,{from,to,content},index)=>{
return `${accumulator}${index+1}\r\n${this.encodeTime(from)} --> ${this.encodeTime(to)}\r\n${content}\r\n\r\n`;
},''),'srt');
}
encodeToASS(){
this.updateDownload(elements.assHead + this.data.map(({from,to,content})=>{
return `Dialogue: 0,${this.encodeTime(from,'ASS')},${this.encodeTime(to,'ASS')},*Default,NTP,0000,0000,0000,,${content.replace(/\n/g,'\\N')}`;
}).join('\r\n'),'ass');
}
encodeTime(input,format='SRT'){
let time = new Date(input*1000),
ms = time.getMilliseconds(),
second = time.getSeconds(),
minute = time.getMinutes(),
hour = Math.floor(input/60/60);
if (format=='SRT'){
if (hour<10) hour = '0'+hour;
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '00'+ms;
else if (ms<100) ms = '0'+ms;
return `${hour}:${minute}:${second},${ms}`;
}
else if(format=='ASS'){
ms = (ms/10).toFixed(0);
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '0'+ms;
return `${hour}:${minute}:${second}.${ms}`;
}
else{
ms = (ms/10).toFixed(0);
minute += hour*60;
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '0'+ms;
return `[${minute}:${second}.${ms}]`;
}
}
};
//解码器，用于读取常见格式字幕并将其转换为B站可以读取BCC格式字幕
const decoder = {
srtReg:/(\d+):(\d{1,2}):(\d{1,2}),(\d{1,3})\s*-->\s*(\d+):(\d{1,2}):(\d{1,2}),(\d{1,3})\r?\n([.\s\S]+)/,
assReg:/Dialogue:.*,(\d+):(\d{1,2}):(\d{1,2}\.?\d*),\s*?(\d+):(\d{1,2}):(\d{1,2}\.?\d*)(?:.*?,){7}(.+)/,
selectFile(){
const fileSelector = document.createElement('input')
fileSelector.type = 'file';
fileSelector.accept = '.lrc,.ass,.srt';
fileSelector.oninput = ()=>{
this.readFile(fileSelector.files&&fileSelector.files[0]);
};
fileSelector.click();
},
readFile(file){
if(!file) {
bilibiliCCHelper.toast('文件获取失败');
return;
}
const reader = new FileReader();
reader.onloadend = ()=> {
try{
let data,name = file.name.toLowerCase();
if(name.endsWith('.lrc')) data = this.decodeFromLRC(reader.result);
else if(name.endsWith('.ass')) data = this.decodeFromASS(reader.result);
else if(name.endsWith('.srt')) data = this.decodeFromSRT(reader.result);
console.log(data);
player.updateSubtitle(data);
bilibiliCCHelper.toast(`载入本地字幕:${file.name}`);
}
catch(e){
bilibiliCCHelper.toast('载入字幕失败',e);
};
};
reader.onerror = e=>{
bilibiliCCHelper.toast('载入字幕失败',e);
}
reader.readAsText(file);
},
decodeFromLRC(input){
if(!input) return;
const data = [];
input.split('\n').forEach(line=>{
const match = line.match(/((\[\d+:\d+\.?\d*\])+)(.*)/);
if (!match||match[3].trim().replace('\r','')=='') {
//console.log('跳过非正文行',line);
return;
}
const times = match[1].match(/\d+:\d+\.?\d*/g);
times.forEach(time=>{
const t = time.split(':');
data.push({
time:t[0]*60 + (+t[1]),
content:match[3]
});
});
});
return {
body:data.sort((a,b)=>a.time-b.time).map(({time,content},index)=>({
from:time,
to:index==data.length-1?time+20:data[index+1].time,
content:content
}))
};
},
decodeFromSRT(input){
if(!input) return;
const data = [];
let split = input.split('\n\n');
if(split.length==1) split = input.split('\r\n\r\n');
split.forEach(item=>{
const match = item.match(this.srtReg);
if (!match){
//console.log('跳过非正文行',item);
return;
}
data.push({
from:match[1]*60*60 + match[2]*60 + (+match[3]) + (match[4]/1000),
to:match[5]*60*60 + match[5]*60 + (+match[7]) + (match[8]/1000),
content:match[9].trim().replace(/{\\.+?}/g,'').replace(/\\N/gi,'\n').replace(/\\h/g,' ')
});
});
return {body:data.sort((a,b)=>a.from-b.from)};
},
decodeFromASS(input){
if(!input) return;
const data = [];
let split = input.split('\n');
split.forEach(line=>{
const match = line.match(this.assReg);
if (!match){
//console.log('跳过非正文行',line);
return;
}
data.push({
from:match[1]*60*60 + match[2]*60 + (+match[3]),
to:match[4]*60*60 + match[5]*60 + (+match[6]),
content:match[7].trim().replace(/{\\.+?}/g,'').replace(/\\N/gi,'\n').replace(/\\h/g,' ')
});
});
return {body:data.sort((a,b)=>a.from-b.from)};
}
};//decoder END
//旧版播放器CC字幕助手，需要维护整个设置面板和字幕逻辑
const oldPlayerHelper = {
setting:undefined,
subtitle:undefined,
selectedLan:undefined,
isclosed:true,
resizeRate: 100,
configs:{
color:[
{value:'16777215',content:'白色'},
{value:'16007990',content:'红色'},
{value:'10233776',content:'紫色'},
{value:'6765239',content:'深紫色'},
{value:'4149685',content:'靛青色'},
{value:'2201331',content:'蓝色'},
{value:'240116',content:'亮蓝色'}
],
position:[
{value:'bl',content:'左下角'},
{value:'bc',content:'底部居中'},
{value:'br',content:'右下角'},
{value:'tl',content:'左上角'},
{value:'tc',content:'顶部居中'},
{value:'tr',content:'右上角'}
],
shadow:[
{value:'0',content:'无描边',style:''},
{value:'1',content:'重墨',style:`text-shadow: #000 1px 0px 1px, #000 0px 1px 1px, #000 0px -1px 1px,#000 -1px 0px 1px;`},
{value:'2',content:'描边',style:`text-shadow: #000 0px 0px 1px, #000 0px 0px 1px, #000 0px 0px 1px;`},
{value:'3',content:'45°投影',style:`text-shadow: #000 1px 1px 2px, #000 0px 0px 1px;`}
]
},
saveSetting(){
try{
const playerSetting = JSON.parse(localStorage.bilibili_player_settings);
playerSetting.subtitle = this.setting;
localStorage.bilibili_player_settings = JSON.stringify(playerSetting);
}catch(e){
bilibiliCCHelper.toast('保存字幕设置错误',e);
}
},
changeStyle(){
this.fontStyle.innerHTML = `
span.subtitle-item-background{
opacity: ${this.setting.backgroundopacity};
}
span.subtitle-item-text {
color:#${("000000"+this.setting.color.toString(16)).slice(-6)};
}
span.subtitle-item {
font-size: ${this.setting.fontsize*this.resizeRate}%;
line-height: ${this.setting.fontsize*this.resizeRate*1.1}%;
${this.configs.shadow[this.setting.shadow].style}
}`;
},
changePosition(){
this.subtitleContainer.className = 'subtitle-position subtitle-position-'
+(this.setting.position||'bc');
this.subtitleContainer.style = '';
},
changeResizeStatus(state){
if(state){
this.changeResize();
}else{
this.resizeRate = 100;
this.changeStyle();
}
},
changeResize(state){
if (this.setting.scale) {
this.resizeRate = player.getWidth()/1280*100;
this.changeStyle();
}
},
changeSubtitle(value=this.subtitle.subtitles[0].lan){
this.selectedLanguage.innerText = bilibiliCCHelper.getSubtitleInfo(value).lan_doc;
if(value=='close'){
if(!this.isclosed) {
this.isclosed = true;
bilibiliCCHelper.loadSubtitle(value);
//更换本地字幕不切换设置中的字幕开关状态
if(this.selectedLan!='local') this.setting.isclosed = true;
}
this.downloadBtn.classList.add('bpui-state-disabled','bpui-button-icon');
this.icon.innerHTML = elements.oldDisableIcon;
}
else{
this.isclosed = false;
this.selectedLan = value;
this.icon.innerHTML = elements.oldEnableIcon;
if(value=='local') {
decoder.selectFile();
this.downloadBtn.classList.add('bpui-state-disabled','bpui-button-icon');
}
else {
//更换本地字幕不切换设置中的字幕开关状态
this.setting.isclosed = false;
bilibiliCCHelper.loadSubtitle(value);
this.downloadBtn.classList.remove('bpui-state-disabled','bpui-button-icon');
}
}
},
toggleSubtitle(){
if(this.isclosed) {
this.changeSubtitle(this.selectedLan);
}
else{
this.changeSubtitle('close');
}
},
initSubtitle(){
if(this.setting.isclosed) {
this.changeSubtitle('close');
}
else{
this.changeSubtitle();
}
//没有字幕时设置下一次切换字幕行为为本地字幕
if(!this.subtitle.count) this.selectedLan = 'local';
this.changeStyle();
this.changeResize();
},
initUI(){
const preBtn = elements.getAs('.bilibili-player-video-btn-quality');
if(!preBtn) throw('没有找到视频清晰度按钮');
this.subtitleContainer = elements.getAs('.bilibili-player-video-subtitle>div');
const btn = preBtn.insertAdjacentElement('afterEnd',elements.createAs('div',{
className:"bilibili-player-video-btn",
id:'bilibili-player-subtitle-btn',
style:"display: block;",
innerHTML:elements.subtitleStyle,
onclick:(e)=>{
if(!this.panel.contains(e.target)) this.toggleSubtitle();
}
}));
//按钮
this.icon = elements.createAs('span',{
innerHTML: this.setting.isclosed?elements.oldDisableIcon:elements.oldEnableIcon
},btn);
//字幕样式表
this.fontStyle = elements.createAs('style',{
type:"text/css",
innerHTML: this.setting.isclosed?elements.oldDisableIcon:elements.oldEnableIcon
},btn);
const panel = this.panel = elements.createAs('div',{
id:'subtitle-setting-panel',
style:'position: absolute;bottom: 28px;right: 30px;background: white;border-radius: 4px;'
+'text-align: left;padding: 13px;display: none;cursor:default;'
},btn),
languageDiv = elements.createAs('div',{innerHTML:'字幕
'},panel),
sizeDiv = elements.createAs('div',{innerHTML:'字体大小
'},panel),
colorDiv = elements.createAs('div',{innerHTML:'字幕颜色'},panel),
shadowDiv = elements.createAs('div',{innerHTML:'字幕描边'},panel),
positionDiv = elements.createAs('div',{innerHTML:'字幕位置'},panel),
opacityDiv = elements.createAs('div',{innerHTML:'背景不透明度
'},panel);
//选择字幕
this.selectedLanguage = elements.createSelector({
width:'100px',height:'180px',
initValue:'关闭',
datas:this.subtitle.subtitles.map(({lan,lan_doc})=>({
content:lan_doc,
value:lan,
handler:({target})=>this.changeSubtitle(target.dataset.value)
}))
},languageDiv).firstElementChild;
//下载字幕
this.downloadBtn = elements.createAs('button',{
className: "bpui-button",style: 'padding:0 8px;',
innerText: "下载",
onclick: ()=>{
if(this.selectedLan=='close') return;
bilibiliCCHelper.getSubtitle(this.selectedLan).then(data=>{
new Encoder(data);
}).catch(e=>{
bilibiliCCHelper.toast('获取字幕失败',e);
});
}
},languageDiv);
//上传字幕
elements.createAs('a',{
className: this.subtitle.allow_submit?'bpui-button':'bpui-button bpui-state-disabled',
innerText: '添加字幕',
href: this.subtitle.allow_submit?`https://member.bilibili.com/v2#/zimu/my-zimu/zimu-editor?aid=${window.aid}&cid=${window.cid}`:'javascript:',
target: '_blank',
style: 'margin-right: 0px;height: 24px;padding:0 6px;',
title: this.subtitle.allow_submit?'':'本视频无法添加字幕，可能原因是:\r\n·UP主未允许观众投稿字幕\r\n·您未达到UP主设置的投稿字幕条件',
},languageDiv);
//字体大小
elements.createAs('input',{
style:"width: 70%;",type:"range",step:"25",
value: (this.setting.fontsize==0.6?0
:this.setting.fontsize==0.8?25
:this.setting.fontsize==1.3?75
:this.setting.fontsize==1.6?100:50),
oninput:(e)=>{
const v = e.target.value/25;
this.setting.fontsize = v>2?(v-2)*0.3+1:v*0.2+0.6;
this.changeStyle();
}
},sizeDiv);
//自动缩放
elements.createAs('input',{
id:'subtitle-auto-resize',
type:"checkbox",
checked:this.setting.scale,
onchange:(e)=>this.changeResizeStatus(this.setting.scale = e.target.checked)
},sizeDiv);
elements.createAs('label',{
style:"cursor:pointer",
innerText:'自动缩放'
},sizeDiv).setAttribute('for','subtitle-auto-resize');
//字幕颜色
elements.createSelector({
width:'74%',height:'120px',
initValue:this.setting.color,
datas:this.configs.color.map(({content,value})=>({
content,value,
handler:(e)=>this.changeStyle(this.setting.color = parseInt(e.target.dataset.value))
}))
},colorDiv);
//字幕阴影
elements.createSelector({
width:'74%',height:'120px',
initValue:this.setting.shadow,
datas:this.configs.shadow.map(({content,value})=>({
content,value,
handler:(e)=>this.changeStyle(this.setting.shadow = e.target.dataset.value)
}))
},shadowDiv);
//字幕位置
elements.createSelector({
width:'74%',
initValue:this.setting.position,
datas:this.configs.position.map(({content,value})=>({
content,value,
handler:(e)=>this.changePosition(this.setting.position = e.target.dataset.value)
}))
},positionDiv);
//背景透明度
elements.createAs('input',{
style:"width: 100%;",
type:"range",
value: this.setting.backgroundopacity*100,
oninput:(e)=>{
this.changeStyle(this.setting.backgroundopacity = e.target.value/100);
}
},opacityDiv);
//播放器缩放
player.addEventListener('video_resize', (event) => {
this.changeResize(event);
});
//退出页面保存配置
window.addEventListener("beforeunload", (event) => {
this.saveSetting();
});
//初始化字幕
this.initSubtitle();
console.log('init cc helper button done');
},
init(subtitle){
this.subtitle = subtitle;
this.selectedLan = undefined;
this.setting = JSON.parse(localStorage.bilibili_player_settings).subtitle;
if(!this.setting) throw('获取设置失败');
this.initUI();
}
};//oldPlayerHelper END
//新版播放器CC字幕助手，需要维护下载按钮/本地字幕选项/关闭选项/需要时监听CC字幕按钮
const newPlayerHelper = {
iconBtn:undefined,
panel:undefined,
downloadBtn:undefined,
selectedLan:undefined,
selectedLocal:false,
hasSubtitles:false,
updateDownloadBtn(value='close'){
this.selectedLan = value;
if(value=='close'){
this.downloadBtn.classList.add('bui-button-disabled','bpui-button-icon');
}
else{
this.selectedLocal = false;
this.downloadBtn.classList.remove('bui-button-disabled','bpui-button-icon');
}
},
initUI(){
const downloadBtn = this.downloadBtn = this.panel.nextElementSibling.cloneNode(),
selector = this.panel.querySelector('ul'),
nowSelect = selector.querySelector('li.bui-select-item.bui-select-item-active'),
closeItem = selector.querySelector('li.bui-select-item.bui-select-item-active'),
localItem = closeItem.cloneNode();
downloadBtn.style = 'min-width:unset!important'
downloadBtn.innerText = '下载';
downloadBtn.addEventListener('click',()=>{
if(this.selectedLan=='close') return;
bilibiliCCHelper.getSubtitle(this.selectedLan).then(data=>{
new Encoder(data);
}).catch(e=>{
bilibiliCCHelper.toast('获取字幕失败',e);
});
});
this.updateDownloadBtn(nowSelect&&nowSelect.dataset.value);
this.panel.insertAdjacentElement('afterend',downloadBtn);
//本地字幕
localItem.innerText = '本地字幕';
localItem.addEventListener('click',()=>{
this.selectedLocal = true;
decoder.selectFile();
});
selector.appendChild(localItem);
//选中本地字幕后关闭需要手动执行
closeItem.addEventListener('click',()=>{
if(!this.selectedLocal) return;
this.selectedLocal = false;
bilibiliCCHelper.loadSubtitle('close');
});
//视频本身没有字幕时，点击CC字幕按钮切换本地字幕和关闭
//视频本身有字幕时播放器自身会切换到视频自身字幕
if(!this.hasSubtitles){
const icon = this.iconBtn.querySelector('.bilibili-player-iconfont-subtitle');
icon&&icon.addEventListener('click',({target})=>{
if(!this.selectedLocal) localItem.click();
else closeItem.click();
});
}
new MutationObserver((mutations,observer)=>{
mutations.forEach(mutation=>{
if(!mutation.target||mutation.type!='attributes') return;
if(mutation.target.classList.contains('bui-select-item-active')&&mutation.target.dataset.value){
this.updateDownloadBtn(mutation.target.dataset.value);
}
});
}).observe(selector,{
subtree: true,
attributes: true,
attributeOldValue: true ,
attributeFilter: ['class']
});
console.log('Bilibili CC Helper init new UI success.');
},
init(subtitle){
this.hasSubtitles = subtitle.subtitles && subtitle.subtitles.length;
this.selectedLocal = undefined;
this.selectedLan = undefined;
[this.iconBtn,this.panel] = elements.getAs(['.bilibili-player-video-btn-subtitle','.bilibili-player-video-subtitle-setting-lan']);
if(this.panel){
this.initUI();
//设置ID标记视频为已注入，防止二次初始化
this.iconBtn.id = 'bilibili-player-subtitle-btn';
}
else if(this.iconBtn){
//强制显示新版播放器CC字幕按钮，不管视频有没有字幕，反正可以选择本地字幕
this.iconBtn.style = 'display:block';
//设置ID标记视频为已注入，防止二次初始化
this.iconBtn.id = 'bilibili-player-subtitle-btn';
new MutationObserver((mutations,observer)=>{
mutations.forEach(mutation=>{
if(!mutation.target) return;
if(mutation.target.classList.contains('bilibili-player-video-subtitle-setting-lan')){
observer.disconnect();
this.panel = mutation.target;
this.initUI();
}
});
}).observe(this.iconBtn,{
childList: true,
subtree: true
});
}
else{
throw('找不到新播放器按钮');
}
},
};//newPlayerHelper END
//启动器
const bilibiliCCHelper = {
cid:undefined,
subtitle:undefined,
datas:undefined,
toast(msg,error){
if(error) console.error(msg,error);
if(!this.toastDiv){
this.toastDiv = document.createElement('div');
this.toastDiv.className = 'bilibili-player-video-toast-item';
}
const panel = elements.getAs('.bilibili-player-video-toast-top');
if(!panel) return;
clearTimeout(this.removeTimmer);
this.toastDiv.innerText = msg + (error?`:${error}`:'');
panel.appendChild(this.toastDiv);
this.removeTimmer = setTimeout(()=>panel.removeChild(this.toastDiv),3000);
},
loadSubtitle(lan){
this.getSubtitle(lan).then(data=>{
player.updateSubtitle(data);
this.toast(lan=='close'?
'字幕已关闭':
`载入字幕:${this.getSubtitleInfo(lan).lan_doc}`);
}).catch(e=>{
this.toast('载入字幕失败',e);
});
},
async getSubtitle(lan){
if(this.datas[lan]) return this.datas[lan];
const item = this.getSubtitleInfo(lan);
if(!item) throw('找不到所选语言字幕'+lan);
return fetch(item.subtitle_url)
.then(res=>res.json())
.then(data=>(this.datas[lan] = data));
},
getSubtitleInfo(lan){
return this.subtitle.subtitles.find(item=>item.lan==lan);
},
async setupData(){
if(this.cid==window.cid && this.subtitle) return this.subtitle;
this.cid = window.cid;
this.subtitle = undefined;
this.datas = {close:{body:[]},local:{body:[]}};
return this.cid&&fetch(`//api.bilibili.com/x/player.so?id=cid:${window.cid}&aid=${window.aid}`)
.then(res=>res.text())
.then(data=>data.match(/(?:)(.+)(?:<\/subtitle>)/))
.then(match=>{
this.subtitle = match&&JSON.parse(match[1]);
this.subtitle.count = this.subtitle.subtitles.length;
this.subtitle.subtitles.push({lan:'close',lan_doc:'关闭'},{lan:'local',lan_doc:'本地字幕'});
return this.subtitle;
});
},
tryInit(){
this.setupData().then(subtitle=>{
if(!subtitle) return;
if(elements.getAs('#bilibili-player-subtitle-btn')) {
console.log('CC助手已初始化');
}
else if(elements.getAs('.bilibili-player-video-btn-color')){
oldPlayerHelper.init(subtitle);
}
else if(elements.getAs('.bilibili-player-video-danmaku-setting')){
newPlayerHelper.init(subtitle);
}
}).catch(e=>{
this.toast('CC字幕助手配置失败',e);
});
},
init(){
this.tryInit();
new MutationObserver((mutations, observer)=>{
mutations.forEach(mutation=>{
if(!mutation.target) return;
if(mutation.target.getAttribute('stage')==0){
this.tryInit();
}
});
}).observe(document.body,{
childList: true,
subtree: true,
});
}
};
bilibiliCCHelper.init();
})();