bilibili关灯

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bilibili关灯(把被新版B站藏起来的关灯按钮揪出来，在关闭弹幕按钮左边，还可以用快捷键，默认'A')
当前为 2021-05-29 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         bilibili关灯
// @namespace    hhh2000
// @version      0.3
// @description  bilibili关灯(把被新版B站藏起来的关灯按钮揪出来，在关闭弹幕按钮左边，还可以用快捷键，默认'A')
// @author       hhh2000
// @include      *://*.bilibili.com/video/*
// @include      *://*.bilibili.tv/video/*
// @include      *://*.bilibili.com/bangumi/*
// @include      *://*.bilibili.tv/bangumi/*
// @require      https://cdn.staticfile.org/jquery/1.12.4/jquery.min.js
// @run-at       document-end
// @grant        none
// ==/UserScript==

function waitForNode(nodeSelector, callback) {
    var node = nodeSelector();
    if (node) {
        callback(node);
    } else {
        setTimeout(function() { waitForNode(nodeSelector, callback); }, 100);
    }
}

function waitForTrue(ifTrue, callback) {
    if (ifTrue()) {
        callback();
    } else {
        setTimeout(function() { waitForTrue(ifTrue, callback); }, 10);
    }
}

function isFullScreen() {
    return $('#bilibiliPlayer').hasClass('mode-fullscreen');
}

function abc(e) {console.log(e)};

//关灯按钮样式
function lightoff_css() {
    var body_brgb = 'rgb(160, 130, 110)';
    var dot_crgb = 'rgb(230, 200, 180)';
    var dot_brgb = 'rgb(50, 50, 50)';
    var dark_rgb = 'rgb(77, 77, 77)';
    if ($('.bilibili-player-video-danmaku-switch>.bui-switch-input')[0].checked === false) {
        $('.bilibili-player-video-danmaku-switch .bui-switch-body:first').css('background-color', dark_rgb);
        $('.bilibili-player-video-danmaku-switch .bui-switch-body:first>.bui-switch-dot').css('color', dark_rgb);
    }
    else {
        $('.bilibili-player-video-danmaku-switch .bui-switch-body:first').css('background-color', body_brgb);
        $('.bilibili-player-video-danmaku-switch .bui-switch-body:first>.bui-switch-dot').css({'color': dot_crgb, 'background-color': dot_brgb});
    }
}

function run(){
    waitForNode(() => document.querySelector('.bilibili-player-video-danmaku-switch .bui-switch-dot'),
                (node) => {

        //防止重复加载
        if ($('.bilibili-player-video-danmaku-switch .bui-switch-dot').length !== 1) return;

        //插入关灯按钮
        $("div.bilibili-player-video-danmaku-switch:first").clone().prependTo("div.bilibili-player-video-danmaku-root:first");
        $('span.bui-switch-body>.bui-switch-dot:first>span').remove();
        $('span.bui-switch-body>.bui-switch-dot:first')[0].innerHTML = '灯';

        //点击关灯
        $('.bilibili-player-video-danmaku-switch>.bui-switch-input:first').click(function(){
            $('.bilibili-player-video-btn-setting-right-others-content-lightoff>input').click();
            lightoff_css();
        });

        //键盘关灯
        $(document).off('keydown.lightoff');
        $(document).on('keydown.lightoff',function(e){
            if(e.keyCode === 'A'.charCodeAt()){  //开关灯
                $('.bilibili-player-video-btn-setting-right-others-content-lightoff>input').click();
                //实际点击按钮和调用点击事件bui-switch-input')[0].checked值不同，需要下面这句
                $('.bilibili-player-video-danmaku-switch>.bui-switch-input')[0].checked = !$('.bilibili-player-video-danmaku-switch>.bui-switch-input')[0].checked;
                lightoff_css();
            } else if(e.keyCode === 'W'.charCodeAt()) {  //网页全屏
                $('.bilibili-player-video-web-fullscreen').click();
            } else if(e.keyCode === 'Q'.charCodeAt()) {  //宽屏模式
                isFullScreen() ? $('.bilibili-player-video-btn-fullscreen').click() : $('.bilibili-player-video-btn-widescreen').click();
            } else if(e.keyCode === 'D'.charCodeAt()) {  //开关弹幕
                $('.bilibili-player-video-danmaku-switch>.bui-switch-input:last').click();
            } else if(e.keyCode === 'T'.charCodeAt()) {  //开关顶端弹幕
                $('.bilibili-player-block-filter-type[ftype=top]').click();
            } else if(e.keyCode === 'B'.charCodeAt()) {  //开关底端弹幕
                $('.bilibili-player-block-filter-type[ftype=bottom]').click();
            }
        });

        //初始化关灯按钮
        lightoff_css();

        //激活系统弹幕设置class
        $('.bilibili-player-video-danmaku-setting').mouseenter().mouseout();

        //激活系统关灯class，去掉mouseout()，否则如果太快执行mouseout()无法激活关灯class
        $('.bilibili-player-video-btn.bilibili-player-video-btn-setting').mouseenter();

        //解决因为激活关灯class，导致全屏时滚轮无法调节音量的问题
        waitForTrue(()=>$('.bilibili-player-video-btn-setting-wrap').css('display') === 'block',
                    () => {
            $('.bilibili-player-video-btn-setting-wrap').css('display', 'none');
        });

    });
}

function init() {
    //内部加载视频窗口
    waitForNode(() => document.querySelector('video'),
        (node) => {
        var oV = document.getElementsByTagName("video")[0];
        oV.addEventListener('DOMNodeInserted', () => {
            run();
        });
    });

    run();
}

window.onload = init();