在哔哩哔哩实现类似viewsync的功能。WIP。装好以后功能入口位于t.bilibili.com右侧栏。
// ==UserScript==
// @name Bilibili ViewSync
// @namespace http://tampermonkey.net/
// @version 0.2
// @description 在哔哩哔哩实现类似viewsync的功能。WIP。装好以后功能入口位于t.bilibili.com右侧栏。
// @author yuyuyzl
// @match https://live.bilibili.com/*
// @match https://t.bilibili.com/*
// @grant unsafeWindow
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_setClipboard
// @grant GM_info
// ==/UserScript==
var config={
"roomids":[],
};
(function() {
'use strict';
var reloadConfig=function(){
Object.keys(config).forEach(function(key){
//console.log(key,config[key]);
var valuet=GM_getValue(key);
if(valuet!=null){
config[key]=valuet;
}else {
GM_setValue(key,config[key]);
}
});
};
reloadConfig();
// throttle 和 debouce 函数的底层实现
var limit = function(func, wait, debounce) {
var timeout;
return function() {
var context = this, args = arguments;
// 封装函数,用于延迟调用
var throttler = function() {
// 只是节流函数的时候,对其timeout进行赋值为null,这样可以设置下一次的setTimtout
timeout = null;
func.apply(context, args);
};
// 如果debouce是true的话,前一个函数的调用timeout会被清空,不会被执行
// 就是debounce函数的调用,这个前一个函数的不会执行.下面会重新设定setTimeout用于
// 执行这一次的调用.
// 但是如果是throttle函数,则会执行前一个函数的调用,同时下面的setTimeout在
// 函数没有运行的时候,是无法再次设定的.
if (debounce) clearTimeout(timeout);
// 如果debouce是true 或者 timeout 为空的情况下,设置setTimeout
if (debounce || !timeout) timeout = setTimeout(throttler, wait);
};
};
// throttle 节流函数
var throttle = function(func, wait) {
return limit(func, wait, false);
};
// debouce 多次调用,只执行最后一次.
var debounce = function(func, wait) {
return limit(func, wait, true);
};
if(window.top!==window){
setInterval(()=>{document.querySelector("body").className=" player-full-win over-hidden hide-aside-area";},100);
}
if(window.location.href.match(/.*t.bilibili.com.*/)){
window.onload=function() {
var mystyle=document.createElement("style");
mystyle.innerHTML= "<!-- --> .ratio{\n display: flex;\n flex-grow: 1;\n }\n #root{\n width: 100vw;height: 100vh;margin: 0;\n display: flex;\n }\n iframe{\n position: absolute;\n border: 0;\n background: #FFF;\n top:0;\n left: 0;\n }\n .mypanel{\n position: relative;\n width: 100%;\n background-color: #fff;\n border-radius: 4px;\n margin: 8px 0;\n }\n .mypanel .title{\n padding-top: 12px;\n padding-left: 16px;\n padding-bottom: 8px;\n }\n .mypanel div{\nmargin-top:4px;\n}\n.mypanel button{\n-webkit-appearance: none;\nwidth: 24px;\nfont-size: 12px;\ncolor: #00a1d6;\nborder: 1px solid #00a1d6;\nborder-radius: 4px;\nbackground: transparent;\ncursor: pointer;\n}\n .mypanel .more-button{\n position: absolute;\n width: 30px;\n height: 20px;\n top: 13px;\n right: 20px;\n }";
document.getElementsByTagName("head")[0].appendChild(mystyle);
var mypanel=document.createElement("div");
mypanel.className="mypanel";
mypanel.innerHTML="<p class=\"title tc-black fs-14 ls-0\">Bili ViewSync</p>\n<a href=\'https://live.bilibili.com/sync\' style=\'color: darkgray\' target=\'_blank\' class=\'more-button\'>Go></a>\n<div style=\'padding-left: 16px;padding-bottom: 14px;\'>\n <input type=\'text\' id=\'bvs-addinput\' >\n <button id=\'bvs-add\'>+</button>\n <div id=\'rooms-container\'></div>\n</div>\n";
document.querySelector(".live-panel").after(mypanel);
function addroomid(id,doAdd){
if(doAdd && config.roomids.indexOf(id)>=0)return;
if(id==null)return;
if(doAdd){
config.roomids.push(id);
GM_setValue("roomids",config["roomids"]);
}
let line=document.createElement("div");
let buttonDel=document.createElement("button");
buttonDel.innerText="-";
buttonDel.onclick=function () {
document.getElementById("rooms-container").removeChild(line);
config.roomids.splice(config.roomids.indexOf(id),1);
GM_setValue("roomids",config["roomids"]);
}
line.appendChild(buttonDel);
line.appendChild(document.createTextNode(id));
document.getElementById("rooms-container").appendChild(line);
}
document.getElementById("bvs-add").onclick=function () {
addroomid(document.getElementById("bvs-addinput").value.match(/[0-9]+/)[0],true);
document.getElementById("bvs-addinput").value="";
};
for(let id of config.roomids)addroomid(id,false);
}
}
if(window.location.href.match(/.*live.bilibili.com\/sync.*/)){
var body;
var clientRatio=[];
var splitNow=[];
var roomids=config.roomids;
if(roomids.length==0){
alert("直播间列表为空，请先去动态首页添加！");
window.location.href="https://t.bilibili.com/";
}
var possibleSplit=solve(roomids.length);
var iframes=roomids.map(id=>{
let iframe=document.createElement("iframe");
iframe.setAttribute("src","https://live.bilibili.com/"+id);
return iframe;
});
var iframeCount=0;
function solve( x,limit) {
if(limit===undefined)limit=x-1;
if (x === 1) return [[1]];
let ret = [];
for (let i = 1; i < Math.min(limit, x-1) + 1; i++) {
let sub = solve(i, i - 1);
let now = solve(x-i, i);
for (let info of sub)
for (let more of now)
if (JSON.stringify(info) === "[1]") {
//console.log("1*" + " " + JSON.stringify(info) + " " + JSON.stringify(more) + " " + JSON.stringify(info.concat(more)));
ret.push(more.concat(info));
}
else {
//console.log("2*" + " " + JSON.stringify(info) + " " + JSON.stringify(more) + " " + JSON.stringify([info].concat(more)));
ret.push(more.concat([info]));
}
}
if(limit>=x){
let now=[];
for (let more of ret){
if(JSON.stringify(more) !== "[1]")now.push([more]);
}
ret=ret.concat(now);
}
return ret
}
function refreshFramesPos(){
clientRatio=[body.clientWidth,body.clientHeight];
let best=null;
let bestArea=0;
for(let i of possibleSplit){
var ratio=getParentRatio(i,false);
var area=Math.min(ratio[0]*ratio[1]*(clientRatio[0]/ratio[0])*(clientRatio[0]/ratio[0]),ratio[0]*ratio[1]*(clientRatio[1]/ratio[1])*(clientRatio[1]/ratio[1]));
if(area>bestArea){
best=[i,false];
bestArea=area;
}
var ratio=getParentRatio(i,true);
var area=Math.min(ratio[0]*ratio[1]*(clientRatio[0]/ratio[0])*(clientRatio[0]/ratio[0]),ratio[0]*ratio[1]*(clientRatio[1]/ratio[1])*(clientRatio[1]/ratio[1]));
if(area>bestArea){
best=[i,true];
bestArea=area;
}
}
//console.log(JSON.stringify(best));
iframeCount=0;
if(JSON.stringify(best)!==JSON.stringify(splitNow)) {
splitNow=best;
let newChild = getDOMNodes(best[0], best[1]);
newChild.id = "splitter";
console.log(newChild);
console.log(newChild.myRatio);
body.replaceChild(newChild, body.children.splitter);
}
for(let i=0;i<iframes.length;i++){
let parent=document.getElementById("frame"+i);
iframes[i].style.top=parent.offsetTop+"px";
iframes[i].style.left=parent.offsetLeft+"px";
iframes[i].style.width=parent.offsetWidth+"px";
iframes[i].style.height=parent.offsetHeight+"px";
}
}
var refreshFramesPosDebounced=debounce(refreshFramesPos,1000);
window.onresize=function(){
//console.log(body.clientWidth+" "+body.clientHeight);
refreshFramesPosDebounced();
};
window.onload=function(){
document.getElementsByTagName("head")[0].innerHTML="<style>\n" +
" .ratio{\n" +
" display: flex;\n" +
" flex-grow: 1;\n" +
" }\n" +
" #root{\n" +
" width: 100vw;height: 100vh;margin: 0;\n" +
" display: flex;\n" +
" }\n" +
" iframe{\n" +
" position: absolute;\n" +
" border: 0;\n" +
" background: #FFF;\n" +
" top:0;\n" +
" left: 0;\n" +
" }\n .mypanel{\n position: relative;\n width: 268px;\n background-color: #fff;\n border-radius: 4px;\n margin-bottom: 8px;\n }\n .mypanel .title{\n padding-top: 12px;\n padding-left: 16px;\n padding-bottom: 8px;\n }\n" +
"</style>";
document.getElementsByTagName("body")[0].outerHTML="<body style=\"width: 100vw;height: 100vh;margin: 0\">\n" +
"<div id=\"root\"><div id=\"splitter\"/></div>\n" +
"<div id=\"frames\"></div>\n" +
"</body>";
body=document.getElementById("root");
for(let iframe of iframes)document.getElementById("frames").appendChild(iframe);
window.onresize();
};
var videoW=16;
var videoH=9;
function getParentRatio(arr,isVertical){
let ratio=null;
if(Array.isArray(arr)){
for(let item of arr){
let res=getParentRatio(item,!isVertical);
if(ratio==null)ratio=res;else
if (isVertical) ratio[1]+=res[1]/res[0]*ratio[0];else ratio[0]+=res[0]/res[1]*ratio[1];
}
}else return [videoW,videoH];
return ratio;
}
function getDOMNodes(arr,isVertical){
let ratio=null;
if(Array.isArray(arr)){
let dom=document.createElement("div");
dom.className="ratio container";
if (isVertical) dom.style.flexDirection="column";
for(let item of arr){
let newNode=getDOMNodes(item,!isVertical);
if(ratio==null){
ratio=newNode.myRatio;
if (isVertical) {
newNode.style.flexGrow=newNode.myRatio[1]/newNode.myRatio[0]*ratio[0];
}else {
newNode.style.flexGrow=newNode.myRatio[0]/newNode.myRatio[1]*ratio[1];
}
}else
if (isVertical) {
ratio[1]+=newNode.myRatio[1]/newNode.myRatio[0]*ratio[0];
newNode.style.flexGrow=newNode.myRatio[1]/newNode.myRatio[0]*ratio[0];
}else {
ratio[0]+=newNode.myRatio[0]/newNode.myRatio[1]*ratio[1];
newNode.style.flexGrow=newNode.myRatio[0]/newNode.myRatio[1]*ratio[1];
}
dom.appendChild(newNode);
}
dom.myRatio=ratio;
return dom;
}else {
let dom= document.createElement("div");
//dom.innerText="FRAME";
//dom.appendChild(iframes[iframeCount]);
dom.id="frame"+iframeCount;
iframeCount++;
dom.className="ratio iframe";
dom.myRatio=[videoW,videoH];
return dom;
}
}
}
})();
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