YouTube: Floating Chat Window on Fullscreen

To make a floating chat window on fullscreen

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==UserScript==
// @name                YouTube: Floating Chat Window on Fullscreen
// @namespace           UserScript
// @version             0.5.5
// @license             MIT License
// @author              CY Fung
// @match               https://www.youtube.com/*
// @exclude             /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
// @require             https://cdn.jsdelivr.net/gh/cyfung1031/userscript-supports@5d83d154956057bdde19e24f95b332cb9a78fcda/library/default-trusted-type-policy.js
// @require             https://cdn.jsdelivr.net/gh/cyfung1031/userscript-supports@8fac46500c5a916e6ed21149f6c25f8d1c56a6a3/library/ytZara.js
// @run-at              document-start
// @grant               none
// @unwrap
// @allFrames           true
// @inject-into         page
// @description         To make a floating chat window on fullscreen
// @description:ja      フルスクリーンで浮動チャットウィンドウを表示する
// @description:zh-TW   在全螢幕上顯示浮動聊天視窗
// @description:zh-CN   在全屏上显示浮动聊天窗口
// ==/UserScript==


((__CONTEXT__) => {

    let activeStyle = false;

    let _lastStyleText = null;
    let tvc = 0;

    const insp = o => o ? (o.polymerController || o.inst || o || 0) : (o || 0);

    let c27 = 0;
    let mouseDownActiveElement = null;

    /** @type {globalThis.PromiseConstructor} */
    const Promise = (async () => { })().constructor; // YouTube hacks Promise in WaterFox Classic and "Promise.resolve(0)" nevers resolve.


    const HTMLElement_ = HTMLElement;

    /**
     *  @param {Element} elm
     * @param {string} selector
     * @returns {Element | null}
     *  */
    const qsOne = (elm, selector) => {
        return HTMLElement_.prototype.querySelector.call(elm, selector);
    }

    /**
     *  @param {Element} elm
     * @param {string} selector
     * @returns {NodeListOf<Element>}
     *  */
    const qsAll = (elm, selector) => {
        return HTMLElement_.prototype.querySelectorAll.call(elm, selector);
    }


    const win = typeof unsafeWindow !== 'undefined' ? unsafeWindow : (this instanceof Window ? this : window);

    const hkey_script = 'vdnvorrwsksy';
    if (win[hkey_script]) throw new Error('Duplicated Userscript Calling'); // avoid duplicated scripting
    win[hkey_script] = true;

    document.addEventListener('click', function (evt) {

        if (!document.fullscreenElement) return;

        let byPass = false;

        if (Date.now() - c27 < 40) {
            byPass = true;
        } else {
            return;
        }

        if (evt.target && evt.target.id === 'chat' && evt.target.nodeName.toLowerCase() === 'ytd-live-chat-frame') byPass = false;
        else if (evt.target && evt.target.nodeName.toLowerCase() === 'iframe') byPass = false;

        if (byPass) {
            evt.stopPropagation();
            evt.stopImmediatePropagation();
            c27 = Date.now();
        }
        c27 = 0;

    }, { capture: true, passive: false });

    document.addEventListener('mousedown', function (evt) {

        if (!document.fullscreenElement) return;
        let byPass = false;
        const activeElement = document.activeElement || 0;
        mouseDownActiveElement = null;
        if (activeElement.nodeName === 'IFRAME') {
            if (activeElement.matches('[floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) iframe')) {
                byPass = true;
                mouseDownActiveElement = activeElement;
            }
        }

        if (evt.target && evt.target.id === 'chat' && evt.target.nodeName.toLowerCase() === 'ytd-live-chat-frame') byPass = false;
        else if (evt.target && evt.target.nodeName.toLowerCase() === 'iframe') byPass = false;


        if (byPass) {

            evt.stopPropagation();
            evt.stopImmediatePropagation();
            c27 = Date.now();
        } else {
            mouseDownActiveElement = null;
        }
        c27 = 0;



    }, { capture: true, passive: false });
    document.addEventListener('mouseup', function (evt) {

        if (!document.fullscreenElement) return;
        let mde = mouseDownActiveElement;
        mouseDownActiveElement = null;

        if (!mde) return;

        let byPass = false;
        const activeElement = mde || 0;
        if (activeElement.nodeName === 'IFRAME') {
            if (activeElement.matches('[floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) iframe')) {
                byPass = true;
            }
        }

        // if(Date.now()-c27 < 40 ) byPass = true;
        c27 = 0;

        if (evt.target && evt.target.id === 'chat' && evt.target.nodeName.toLowerCase() === 'ytd-live-chat-frame') byPass = false;
        else if (evt.target && evt.target.nodeName.toLowerCase() === 'iframe') byPass = false;

        if (byPass) {
            evt.stopPropagation();
            evt.stopImmediatePropagation();
            c27 = Date.now();
        }

    }, { capture: true, passive: false });

    const svgDefs = () => `
        <svg version="1.1" xmlns="//www.w3.org/2000/svg" xmlns:xlink="//www.w3.org/1999/xlink" style="display:none;">
            <defs>
            <filter id="stroke-text-svg-filter-03">

                <feColorMatrix type="matrix" in="SourceGraphic" values="0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 1 0" result="white-text"/>
                <feMorphology in="white-text" result="DILATED" operator="dilate" radius="2"></feMorphology>
                <feFlood flood-color="transparent" flood-opacity="1" result="PINK" id="floodColor-03"></feFlood>
                <feComposite in="PINK" in2="DILATED" operator="in" result="OUTLINE"></feComposite>
                <feMerge>
                <feMergeNode in="OUTLINE" />
                <feMergeNode in="SourceGraphic" />
                </feMerge>
            </filter>
                <filter id="stroke-text-svg-filter-04">
                    <feMorphology operator="dilate" radius="2"></feMorphology>
                    <feComposite operator="xor" in="SourceGraphic"/>
                </filter>
            </defs>

        </svg>
    `.trim();


    const createStyleTextForTopWin = () => `
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) {
        position:fixed !important;
            top: var(--f3-top, 5px) !important;
            left: var(--f3-left, calc(60vw + 100px)) !important;
            height: var(--f3-h, 60vh) !important;
            width: var(--f3-w, 320px) !important;
            display:flex !important;
            flex-direction: column !important;
            padding: 4px;
            cursor: all-scroll;
            z-index:9999;
            box-sizing: border-box !important;
            margin:0 !important;
            opacity: var(--floating-window-opacity, 1.0) !important;
            background: transparent;
            background-color: rgba(0, 0, 0, 0.5);
            transition: background-color 300ms;
        }
    
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]):hover {
            background-color: rgba(0, 0, 0, 0.85);
    
        }
    
        .no-floating[floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) {
            top: -300vh !important;
            left: -300vh !important;
        }
    
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) #show-hide-button[class]{
            flex-grow: 0;
            flex-shrink:0;
            position:static;
            cursor: all-scroll;
        }
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) #show-hide-button[class] *[class]{
            cursor: inherit;
        }
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) iframe[class]{
            flex-grow: 100;
            flex-shrink:0;
            height: 0;
            position:static;
        }
    
        html{
            --fc7-handle-color: #0cb8da;
        }
        html[dark]{
            --fc7-handle-color: #0c74e4;
        }
    
        :fullscreen .resize-handle {
    
            position: absolute !important;
            top: 0;
            left: 0;
            bottom: 0;
            background: transparent;
            right: 0;
            z-index: 999 !important;
            border-radius: inherit !important;
            box-sizing: border-box !important;
            pointer-events:none !important;
            visibility: collapse;
            border: 4px solid transparent;
            border-color: transparent;
            transition: border-color 300ms;
        }
    
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]):hover .resize-handle {
    
            visibility: visible;
    
            border-color: var(--fc7-handle-color);
        }
    
        [moving] {
            cursor: all-scroll;
            --pointer-events:initial;
        }
    
        [moving] body {
            --pointer-events:none;
        }
    
        [moving] ytd-live-chat-frame#chat{
            --pointer-events:initial;
        }
    
        [moving] ytd-live-chat-frame#chat iframe {
            --pointer-events:none;
        }
    
        [moving="move"]  ytd-live-chat-frame#chat {
            background-color: var(--yt-spec-general-background-a);
        }
    
        [moving="move"] ytd-live-chat-frame#chat iframe {
            visibility: collapse;
        }
    
        [moving] * {
            pointer-events:var(--pointer-events) !important;
    
        }
        [moving] *, [moving] [class] {
            user-select: none !important;
        }
    
        :fullscreen tyt-iframe-popup-btn {
            display: none !important;
        }
    
        [moving] tyt-iframe-popup-btn {
            display: none !important;
        }
    
        [floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed]) #show-hide-button.ytd-live-chat-frame>ytd-toggle-button-renderer.ytd-live-chat-frame {
            background: transparent;
        }

        :fullscreen ytd-live-chat-frame#chat:not([collapsed]) {
            --chat-show-button-display: block;
            --chat-show-text-display: none;
            --chat-show-btn-text: 'ϞϞϞϞϞϞϞϞϞϞϞ';
        }
    
        :fullscreen ytd-live-chat-frame#chat:not([collapsed]) [is-show-button] [role="text"] {
            display: var(--chat-show-text-display);
        }
    
        :fullscreen ytd-live-chat-frame#chat:not([collapsed]) [is-show-button] button::before {
            content: var(--chat-show-btn-text);
        }

        :fullscreen ytd-live-chat-frame#chat:not([collapsed]) [is-show-button][hidden] {
            display: var(--chat-show-button-display) !important;
        }
    `;

    const createStyleTextForIframe = () => `
        .youtube-floating-chat-iframe yt-live-chat-docked-message#docked-messages.style-scope.yt-live-chat-item-list-renderer {
            margin-top:var(--fc7-top-banner-mt);
            transition: margin-top 180ms;
        }
    
        .youtube-floating-chat-iframe yt-live-chat-banner-manager#live-chat-banner.style-scope.yt-live-chat-item-list-renderer {
            margin-top:var(--fc7-top-banner-mt);
            transition: margin-top 180ms;
        }
    
        .youtube-floating-chat-iframe #action-panel.style-scope.yt-live-chat-renderer {
            position: fixed;
            top: 50%;
            transform: translateY(-50%);
        }
    
        .youtube-floating-chat-iframe yt-live-chat-header-renderer.style-scope.yt-live-chat-renderer {
            position: relative;
            z-index: 8;
            background: rgb(0,0,0);
            visibility: var(--fc7-panel-visibility);
        }
    
        .youtube-floating-chat-iframe #chat-messages.style-scope.yt-live-chat-renderer.iron-selected > #contents.style-scope.yt-live-chat-renderer {
            position: fixed;
            z-index: 4;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
        }
    
        .youtube-floating-chat-iframe #right-arrow-container.yt-live-chat-ticker-renderer,
        .youtube-floating-chat-iframe #left-arrow-container.yt-live-chat-ticker-renderer
        {
            background: transparent;
        }
    
        .youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app {
            --yt-live-chat-background-color: transparent;
            --yt-live-chat-action-panel-background-color: rgba(0, 0, 0, 0.08);
            --yt-live-chat-header-background-color: rgba(0, 0, 0, 0.18);
            --yt-spec-static-overlay-background-medium: rgba(0, 0, 0, 0.08);
            --yt-live-chat-banner-gradient-scrim: transparent;
        }
    
        .youtube-floating-chat-iframe{
            --fc7-top-banner-mt: 0px;
            --fc7-banner-opacity: 0.86;
            --fc7-system-message-opacity: 0.66;
            --fc7-system-message-opacity2: 0.66;
            --fc7-panel-display: none;
            --fc7-panel-visibility: collapse;
            --fc7-panel-position: absolute;
        }

        .youtube-floating-chat-iframe:focus-within,
        html:focus-within,
        body:focus-within,
        yt-live-chat-app:focus-within,
        yt-live-chat-renderer.yt-live-chat-app:focus-within
        {
            --fc7-top-banner-mt: 56px;
            --fc7-banner-opacity: 1.0;
            --fc7-system-message-opacity: 1.0;
            --fc7-system-message-opacity2: 1.00;
            --fc7-panel-display: invalid;
            --fc7-panel-visibility: invalid;
            --fc7-panel-position: absolute;
        }
    
        .youtube-floating-chat-iframe yt-live-chat-app:hover {
            --fc7-top-banner-mt: 56px;
            --fc7-banner-opacity: 1.0;
            --fc7-system-message-opacity: 1.0;
            --fc7-system-message-opacity2: 1.00;
            --fc7-panel-display: invalid;
            --fc7-panel-visibility: invalid;
            --fc7-panel-position: absolute;
        }
    
    
        .youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app #visible-banners > yt-live-chat-banner-renderer {
            opacity: var(--fc7-banner-opacity) !important;
        }
    
    
        .youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app yt-live-chat-viewer-engagement-message-renderer {
            opacity: var(--fc7-system-message-opacity) !important;
        }
    
    
        .youtube-floating-chat-iframe yt-live-chat-app yt-live-chat-renderer.yt-live-chat-app yt-live-chat-message-input-renderer {
        visibility: var(--fc7-panel-visibility);
        position: var(--fc7-panel-position);
    
            transform: translateY(-100%);
            left: 0;
            right: 0;
            opacity: 1;
            background: rgba(0,0,0,0.86);
        }
    
    
        /* hide message with input panel hidden */
        .youtube-floating-chat-iframe yt-live-chat-app > tp-yt-iron-dropdown.yt-live-chat-app yt-tooltip-renderer[slot="dropdown-content"][position-type="OPEN_POPUP_POSITION_TOP"].yt-live-chat-app {
            visibility: var(--fc7-panel-visibility);
        }
    
    
    
    
        [dark].youtube-floating-chat-iframe yt-live-chat-app ::-webkit-scrollbar-track,
        [dark].youtube-floating-chat-iframe yt-live-chat-kevlar-container ::-webkit-scrollbar-track {
            background-color: var(--ytd-searchbox-legacy-button-color);
        }
    
        .youtube-floating-chat-iframe yt-live-chat-app ::-webkit-scrollbar-track,
        .youtube-floating-chat-iframe yt-live-chat-kevlar-container ::-webkit-scrollbar-track {
            background-color: #fcfcfc;
        }
    
    
        [dark].youtube-floating-chat-iframe yt-live-chat-app ::-webkit-scrollbar-thumb,
        [dark].youtube-floating-chat-iframe yt-live-chat-kevlar-container ::-webkit-scrollbar-thumb{
    
            background-color: var(--ytd-searchbox-legacy-button-color);
            border: 2px solid var(--ytd-searchbox-legacy-button-color);
    
        }
    
    
    
        .youtube-floating-chat-iframe yt-live-chat-renderer[has-action-panel-renderer] #action-panel.yt-live-chat-renderer {
            --yt-live-chat-action-panel-gradient-scrim: transparent;
        }
    
    
        .youtube-floating-chat-iframe yt-live-chat-renderer[has-action-panel-renderer] #action-panel.yt-live-chat-renderer yt-live-chat-action-panel-renderer {
            opacity: var(--fc7-system-message-opacity2) !important;
        }
    
    `;

    const { isIframe, isTopFrame } = (() => {

        let isIframe = false, isTopFrame = false;
        try {
            isIframe = window.document !== top.document
        } catch (e) { }

        try {
            isTopFrame = window.document === top.document
        } catch (e) { }

        return { isIframe, isTopFrame };

    })();

    if (isIframe ^ isTopFrame) { } else return;

    const addCSS = (createStyleText) => {
        let text = createStyleText();
        let style = document.createElement('style');
        style.id = 'rvZ0t';
        style.textContent = text;
        document.head.appendChild(style);
    }

    const cleanContext = async (win) => {
        const waitFn = requestAnimationFrame; // shall have been binded to window
        try {
            let mx = 16; // MAX TRIAL
            const frameId = 'vanillajs-iframe-v1'
            let frame = document.getElementById(frameId);
            let removeIframeFn = null;
            if (!frame) {
                frame = document.createElement('iframe');
                frame.id = 'vanillajs-iframe-v1';
                frame.sandbox = 'allow-same-origin'; // script cannot be run inside iframe but API can be obtained from iframe
                let n = document.createElement('noscript'); // wrap into NOSCRPIT to avoid reflow (layouting)
                n.appendChild(frame);
                while (!document.documentElement && mx-- > 0) await new Promise(waitFn); // requestAnimationFrame here could get modified by YouTube engine
                const root = document.documentElement;
                root.appendChild(n); // throw error if root is null due to exceeding MAX TRIAL
                removeIframeFn = (setTimeout) => {
                    const removeIframeOnDocumentReady = (e) => {
                        e && win.removeEventListener("DOMContentLoaded", removeIframeOnDocumentReady, false);
                        win = null;
                        setTimeout(() => {
                            n.remove();
                            n = null;
                        }, 200);
                    }
                    if (document.readyState !== 'loading') {
                        removeIframeOnDocumentReady();
                    } else {
                        win.addEventListener("DOMContentLoaded", removeIframeOnDocumentReady, false);
                    }
                }
            }
            while (!frame.contentWindow && mx-- > 0) await new Promise(waitFn);
            const fc = frame.contentWindow;
            if (!fc) throw "window is not found."; // throw error if root is null due to exceeding MAX TRIAL
            const { requestAnimationFrame, setTimeout } = fc;
            const res = { requestAnimationFrame, setTimeout };
            for (let k in res) res[k] = res[k].bind(win); // necessary
            if (removeIframeFn) Promise.resolve(res.setTimeout).then(removeIframeFn);
            return res;
        } catch (e) {
            console.warn(e);
            return null;
        }
    };

    isTopFrame && cleanContext(win).then(__CONTEXT__ => {
        if (!__CONTEXT__) return null;

        const { requestAnimationFrame } = __CONTEXT__;

        let chatWindowWR = null;
        let showHideButtonWR = null;
        let showButtonWR = null;

        /* globals WeakRef:false */

        /** @type {(o: Object | null) => WeakRef | null} */
        const mWeakRef = typeof WeakRef === 'function' ? (o => o ? new WeakRef(o) : null) : (o => o || null); // typeof InvalidVar == 'undefined'

        /** @type {(wr: Object | null) => Object | null} */
        const kRef = (wr => (wr && wr.deref) ? wr.deref() : wr);

        let rafPromise = null;

        const getRafPromise = () => rafPromise || (rafPromise = new Promise(resolve => {
            requestAnimationFrame(hRes => {
                rafPromise = null;
                resolve(hRes);
            });
        }));

        let startX;
        let startY;
        let startWidth;
        let startHeight;

        let edge = 0;

        let initialLeft;
        let initialTop;

        let stopResize;
        let stopMove;

        function filteroutHidden(el) {
            if (!el) return el;
            if (el.closest('[hidden]')) return null;
            return el;
        }

        const getXY = (e) => {
            let rect = e.target.getBoundingClientRect();
            let x = e.clientX - rect.left; //x position within the element.
            let y = e.clientY - rect.top;  //y position within the element.
            return { x, y };
        }

        let beforeEvent = null;

        function resizeWindow(e) {


            const chatWindow = kRef(chatWindowWR);
            if (chatWindow) {

                const mEdge = edge;

                if (mEdge == 4 || mEdge == 1) {
                } else if (mEdge == 8 || mEdge == 16) {
                } else {
                    return;
                }

                Promise.resolve(chatWindow).then(chatWindow => {
                    let rect;

                    if (mEdge == 4 || mEdge == 1 || mEdge == 16) {

                        let newWidth = startWidth + (startX - e.pageX);
                        let newLeft = initialLeft + startWidth - newWidth;
                        chatWindow.style.setProperty('--f3-w', newWidth + "px");
                        chatWindow.style.setProperty('--f3-left', newLeft + "px");

                        let newHeight = startHeight + (startY - e.pageY);
                        let newTop = initialTop + startHeight - newHeight;
                        chatWindow.style.setProperty('--f3-h', newHeight + "px");
                        chatWindow.style.setProperty('--f3-top', newTop + "px");

                        rect = {
                            x: newLeft,
                            y: newTop,
                            w: newWidth,
                            h: newHeight,
                        };

                    } else if (mEdge == 8) {

                        let newWidth = startWidth + e.pageX - startX;
                        let newHeight = startHeight + e.pageY - startY;
                        chatWindow.style.setProperty('--f3-w', newWidth + "px");
                        chatWindow.style.setProperty('--f3-h', newHeight + "px");

                        rect = {
                            x: initialLeft,
                            y: initialTop,
                            w: newWidth,
                            h: newHeight,
                        };

                    }

                    updateOpacity(chatWindow, rect, screen);

                })

                e.stopImmediatePropagation();
                e.stopPropagation();
                e.preventDefault();


            }

        }

        let isMoved = false;

        function moveWindow(e) {

            const chatWindow = kRef(chatWindowWR);
            if (!chatWindow) return;

            Promise.resolve(chatWindow).then(chatWindow => {

                let newX = initialLeft + e.pageX - startX;
                let newY = initialTop + e.pageY - startY;

                if (Math.abs(e.pageX - startX) > 10 || Math.abs(e.pageY - startY) > 10) isMoved = true;

                chatWindow.style.setProperty('--f3-left', newX + "px");
                chatWindow.style.setProperty('--f3-top', newY + "px");

                updateOpacity(chatWindow, {
                    x: newX,
                    y: newY,
                    w: startWidth,
                    h: startHeight,
                }, screen);

            });

            e.stopImmediatePropagation();
            e.stopPropagation();
            e.preventDefault();


        }


        function initializeResize(e) {

            if (!document.fullscreenElement) return;

            if (!document.querySelector('[floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed])')) return;

            if (e.target.id !== 'chat') return;

            const { x, y } = getXY(e);
            edge = 0;
            if (x < 16 && y < 16) { edge = 16; }
            else if (x < 16) edge = 4;
            else if (y < 16) edge = 1;
            else edge = 8;

            if (edge <= 0) return;

            startX = e.pageX;
            startY = e.pageY;

            const chatWindow = kRef(chatWindowWR);
            if (chatWindow) {
                Promise.resolve(chatWindow).then(chatWindow => {

                    const rect = chatWindow.getBoundingClientRect();
                    initialLeft = rect.x;
                    initialTop = rect.y;

                    startWidth = rect.width;
                    startHeight = rect.height;

                    chatWindow.style.setProperty('--f3-left', initialLeft + "px");
                    chatWindow.style.setProperty('--f3-top', initialTop + "px");
                    chatWindow.style.setProperty('--f3-w', startWidth + "px");
                    chatWindow.style.setProperty('--f3-h', startHeight + "px");

                });
            }

            document.documentElement.setAttribute('moving', 'resize');

            document.documentElement.removeEventListener("mousemove", resizeWindow, false);
            document.documentElement.removeEventListener("mousemove", moveWindow, false);
            document.documentElement.removeEventListener("mouseup", stopResize, false);
            document.documentElement.removeEventListener("mouseup", stopMove, false);

            isMoved = false;
            document.documentElement.addEventListener("mousemove", resizeWindow);
            document.documentElement.addEventListener("mouseup", stopResize);

        }


        let updateOpacityRid = 0;

        function updateOpacity(chatWindow, rect, screen) {

            const tid = ++updateOpacityRid;

            getRafPromise().then(() => {

                if (tid !== updateOpacityRid) return;

                const { x, y, w, h } = rect;
                const [left, top, right, bottom] = [x, y, x + w, y + h];

                const opacityW = (Math.min(right, screen.width) - Math.max(0, left)) / w;
                const opacityH = (Math.min(bottom, screen.height) - Math.max(0, top)) / h;

                const opacity = Math.min(opacityW, opacityH);

                chatWindow.style.setProperty('--floating-window-opacity', Math.round(opacity * 100 * 5, 0) / 5 / 100);

            });

        }

        function initializeMove(e) {

            if (!document.fullscreenElement) return;
            if (!document.querySelector('[floating-chat-window]:fullscreen ytd-live-chat-frame#chat:not([collapsed])')) return;

            const chatWindow = kRef(chatWindowWR);

            startX = e.pageX;
            startY = e.pageY;

            if (chatWindow) {

                Promise.resolve(chatWindow).then(chatWindow => {

                    let rect = chatWindow.getBoundingClientRect();
                    initialLeft = rect.x;
                    initialTop = rect.y;

                    startWidth = rect.width;
                    startHeight = rect.height;

                    chatWindow.style.setProperty('--f3-left', initialLeft + "px");
                    chatWindow.style.setProperty('--f3-top', initialTop + "px");
                    chatWindow.style.setProperty('--f3-w', startWidth + "px");
                    chatWindow.style.setProperty('--f3-h', startHeight + "px");

                });

            }

            document.documentElement.setAttribute('moving', 'move');

            document.documentElement.removeEventListener("mousemove", resizeWindow, false);
            document.documentElement.removeEventListener("mousemove", moveWindow, false);
            document.documentElement.removeEventListener("mouseup", stopResize, false);
            document.documentElement.removeEventListener("mouseup", stopMove, false);
            isMoved = false;

            document.documentElement.addEventListener("mousemove", moveWindow, false);
            document.documentElement.addEventListener("mouseup", stopMove, false);

            e.stopImmediatePropagation();
            e.stopPropagation();
            e.preventDefault();

            beforeEvent = e;

        }


        function checkClick(beforeEvent, currentEvent) {

            const d = currentEvent.timeStamp - beforeEvent.timeStamp;
            if (d < 300 && d > 30 && !isMoved) {
                document.documentElement.classList.add('no-floating');
            }

        }

        stopResize = (e) => {

            document.documentElement.removeEventListener("mousemove", resizeWindow, false);
            document.documentElement.removeEventListener("mousemove", moveWindow, false);
            document.documentElement.removeEventListener("mouseup", stopResize, false);
            document.documentElement.removeEventListener("mouseup", stopMove, false);

            document.documentElement.removeAttribute('moving');

            e.stopImmediatePropagation();
            e.stopPropagation();

        }

        stopMove = (e) => {

            document.documentElement.removeEventListener("mousemove", resizeWindow, false);
            document.documentElement.removeEventListener("mousemove", moveWindow, false);
            document.documentElement.removeEventListener("mouseup", stopResize, false);
            document.documentElement.removeEventListener("mouseup", stopMove, false);

            document.documentElement.removeAttribute('moving');
            beforeEvent && checkClick(beforeEvent, e);
            beforeEvent = null;

            e.stopImmediatePropagation();
            e.stopPropagation();

        }

        function reset() {

            document.documentElement.removeAttribute('moving');
            document.documentElement.removeEventListener("mousemove", resizeWindow, false);
            document.documentElement.removeEventListener("mousemove", moveWindow, false);
            document.documentElement.removeEventListener("mouseup", stopResize, false);
            document.documentElement.removeEventListener("mouseup", stopMove, false);

            startX = 0;
            startY = 0;
            startWidth = 0;
            startHeight = 0;

            edge = 0;

            initialLeft = 0;
            initialTop = 0;

            beforeEvent = null;

        }

        function iframeFullscreenChanged() {
            const iframeDoc = this;


            _lastStyleText = null;

            if (!document.fullscreenElement) {
                activeStyle = false;
                iframeDoc.documentElement.classList.remove('youtube-floating-chat-iframe');
            } else {
                activeStyle = true;
                iframeDoc.documentElement.classList.add('youtube-floating-chat-iframe');

            }

        }

        let iframeFullscreenChangedBinded = null;

        function onMessage(evt) {
            if (evt.data !== hkey_script) return;

            const iframeWin = evt.source;
            if (!iframeWin) return;
            const iframeDoc = iframeWin.document;

            const intervalCheckFn = () => {

                if (!activeStyle) return;

                let xpathExpression = "//style[text()[contains(., 'userscript-control[floating-chat-iframe]')]]";

                // Evaluating the XPath expression and getting string value directly
                let result = iframeDoc.evaluate(xpathExpression, iframeDoc, null, XPathResult.STRING_TYPE, null);

                let newText = result && result.stringValue ? result.stringValue : null;

                if (newText !== _lastStyleText) {
                    _lastStyleText = newText;
                    // console.log(123)

                    let tid = ++tvc;

                    getRafPromise().then(() => {

                        if (tid !== tvc) return;

                        let style = iframeWin.getComputedStyle(iframeDoc.documentElement);

                        let fc = style.getPropertyValue('--floodcolor');
                        if (fc) {

                            let floodColor03 = iframeDoc.querySelector('#floodColor-03');
                            floodColor03 && floodColor03.setAttribute('flood-color', fc);

                            let floodColor04 = iframeDoc.querySelector('#floodColor-04');
                            floodColor04 && floodColor04.setAttribute('flood-color', fc);

                            iframeDoc.documentElement.setAttribute('hpkns', '')
                        } else {
                            iframeDoc.documentElement.removeAttribute('hpkns')

                        }

                    });

                }

            };

            function onReady() {

                iframeDoc.head.appendChild(document.createElement('style')).textContent = createStyleTextForIframe();

                const tm = document.createElement('template');
                tm.innerHTML = svgDefs();
                iframeDoc.body.appendChild(tm.content)

                if (iframeFullscreenChangedBinded) document.removeEventListener('fullscreenchange', iframeFullscreenChangedBinded, false);
                iframeFullscreenChangedBinded = iframeFullscreenChanged.bind(iframeDoc);
                document.addEventListener('fullscreenchange', iframeFullscreenChangedBinded, false);

                iframeFullscreenChangedBinded();

                setInterval(intervalCheckFn, 100);

            }

            Promise.resolve().then(() => {

                if (iframeDoc.readyState !== 'loading') {
                    onReady();
                } else {
                    iframeWin.addEventListener("DOMContentLoaded", onReady, false);
                }

            });



        }

        let moInt = 0;
        const mutationObserverFn = () => {
            if (moInt > 1e9) moInt = 9;
            const t = ++moInt;
            getRafPromise().then(() => {
                if (t !== moInt) return;

                const chatWindow = chatWindowWR ? kRef(chatWindowWR) : null;

                if (!(chatWindow instanceof Element)) return;
                if (chatWindow.hasAttribute('collapsed')) return;
                const chatWindowCnt = insp(chatWindow);

                if (!chatWindowCnt) return;

                const btn = qsOne(chatWindow, '#show-hide-button[hidden]')
                if (!btn) return;

                if (btn && filteroutHidden(chatWindow)) {
                    const liveChatRenderer = ((chatWindowCnt || 0).data || 0).liveChatRenderer || 0;
                    if (liveChatRenderer && liveChatRenderer.showButton && !liveChatRenderer.showHideButton) {
                        btn.setAttribute('is-show-button', '')
                    } else {
                        btn.removeAttribute('is-show-button')
                    }
                }

            });

        };
        const mutationObserver = new MutationObserver(mutationObserverFn);

        function setChat(chat) {

            if (!(chat instanceof Element)) return;
            let resizeHandle = qsOne(chat, '.resize-handle')
            if (resizeHandle) return;

            const chatDollar = insp(chat).$ || chat.$ || 0;

            let cw = (() => {
                try {
                    const { head, body } = chatDollar.chatframe.contentWindow.document;
                    return { head, body }

                } catch (e) { return null; }
            })();

            if (!cw) return;

            window.removeEventListener('message', onMessage, false);
            window.addEventListener('message', onMessage, false);



            let script = document.getElementById('rvZ0t') || (document.evaluate("//div[contains(text(), 'userscript-control[enable-customized-floating-window]')]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null) || 0).singleNodeValue;
            if (!script) addCSS(createStyleTextForTopWin);
            /*
            const tm = document.createElement('template');
            tm.innerHTML=svgDefs();
            document.body.appendChild(tm.content)
            */

            if (!document.documentElement.hasAttribute('floating-chat-window')) document.documentElement.setAttribute('floating-chat-window', '');


            chat.setAttribute('allowtransparency', 'true');



            resizeHandle = document.createElement("div");
            resizeHandle.className = "resize-handle";
            chat.appendChild(resizeHandle);
            resizeHandle = null;

            let chatWindow;
            let showHideButton;
            let showButton;

            chatWindow = kRef(chatWindowWR);
            showHideButton = kRef(showHideButtonWR);
            showButton = kRef(showButtonWR);



            if (chatWindow) chatWindow.removeEventListener("mousedown", initializeResize, false);
            if (showHideButton) showHideButton.removeEventListener("mousedown", initializeMove, false);
            else if (showButton) showButton.removeEventListener("mousedown", initializeMove, false);

            if (chat) {
                mutationObserver.observe(chat, { attributes: true, attributeFilter: ['collapsed', 'hidden'] });
                mutationObserverFn();
            }


            chatWindow = chat;
            showHideButton = (qsOne(chat, '#show-hide-button'));
            showButton = (qsOne(chat, '#show-button'));
            chatWindowWR = mWeakRef(chat)
            showHideButtonWR = mWeakRef(showHideButton);
            showButtonWR = mWeakRef(showButton);



            if (chatWindow) chatWindow.addEventListener("mousedown", initializeResize, false);
            if (showHideButton) showHideButton.addEventListener("mousedown", initializeMove, false);
            else if (showButton) showButton.addEventListener("mousedown", initializeMove, false);

            reset();

        }


        const fullscreenchangePageFn = () => {
            if (!document.fullscreenElement) {
                document.documentElement.classList.remove('no-floating')
            }
        };


        function noChat(chat) {

            if (!(chat instanceof Element)) return;

            let chatWindow;
            let showHideButton;
            let showButton;

            chatWindow = kRef(chatWindowWR);
            showHideButton = kRef(showHideButtonWR);
            showButton = kRef(showButtonWR);



            if (chatWindow) chatWindow.removeEventListener("mousedown", initializeResize, false);
            if (showHideButton) showHideButton.removeEventListener("mousedown", initializeMove, false);
            else if (showHideButton) showHideButton.removeEventListener("mousedown", initializeMove, false);


            let resizeHandle = qsOne(chat, '.resize-handle')
            if (resizeHandle) {
                resizeHandle.remove();
            }

            chat.removeEventListener("mousedown", initializeResize, false);


            showHideButton = (qsOne(chat, '#show-hide-button'));
            showButton = (qsOne(chat, '#show-button'));

            if (showHideButton) showHideButton.removeEventListener("mousedown", initializeMove, false);
            else if (showButton) showButton.removeEventListener("mousedown", initializeMove, false);


            reset();
        }


        document.removeEventListener('fullscreenchange', fullscreenchangePageFn, false);
        document.addEventListener('fullscreenchange', fullscreenchangePageFn, false);
        fullscreenchangePageFn();

        ytZara.ytProtoAsync("ytd-live-chat-frame").then((proto) => {

            proto.attached = ((attached) => (function () { Promise.resolve(this.hostElement || this).then(setChat).catch(console.warn); return attached.apply(this, arguments) }))(proto.attached);

            proto.detached = ((detached) => (function () { Promise.resolve(this.hostElement || this).then(noChat).catch(console.warn); return detached.apply(this, arguments) }))(proto.detached);

            let chat = document.querySelector('ytd-live-chat-frame');
            if (chat) Promise.resolve(chat).then(setChat).catch(console.warn);

        });


    });

    (!isTopFrame && isIframe && top === parent) && top.postMessage(hkey_script, `${location.protocol}//${location.hostname}`);



})({ requestAnimationFrame });