YouTube: Floating Chat Window on Fullscreen

To make floating chat window on fullscreen

当前为 2023-07-22 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name        YouTube: Floating Chat Window on Fullscreen
// @namespace   UserScript
// @match       https://www.youtube.com/*
// @exclude             /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
// @version     0.2.2
// @license             MIT License
// @author              CY Fung
// @description To make floating chat window on fullscreen
// @require             https://greasyfork.org/scripts/465819-api-for-customelements-in-youtube/code/API%20for%20CustomElements%20in%20YouTube.js?version=1215161
// @run-at              document-start
// @grant               none
// @unwrap
// @allFrames           true
// @inject-into         page
// ==/UserScript==


((__CONTEXT__) => {

  const hkey_script = 'vdnvorrwsksy';


  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;

  if (isTopFrame) {



    const createStyleText = () => `


[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;

}



  `;

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

    const { Promise, requestAnimationFrame } = __CONTEXT__;

    let chatWindowWR = null;
    let showHideButtonWR = 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 startX;
    let startY;
    let startWidth;
    let startHeight;


    let edge = 0;


    let initialLeft;
    let initialTop;

    let stopResize;
    let stopMove;


    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.stopPropagation();
        e.preventDefault();


      }

    }

    function moveWindow(e) {


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

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


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

          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.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 => {

          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', '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);

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

    }


    let updateOpacityRid = 0;

    function updateOpacity(chatWindow, rect, screen) {

      let tid = ++updateOpacityRid;

      requestAnimationFrame(() => {


        if (tid !== updateOpacityRid) return;

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


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

        let 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);

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

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

      beforeEvent = e;

    }


    function checkClick(beforeEvent, currentEvent) {

      const d = currentEvent.timeStamp - beforeEvent.timeStamp;
      if (d < 300 && d > 30) {

        document.documentElement.classList.add('no-floating');

      }

    }


    stopResize = (e) => {

      document.documentElement.removeAttribute('moving');
      document.documentElement.removeEventListener("mousemove", resizeWindow);
    }

    stopMove = (e) => {
      document.documentElement.removeAttribute('moving');
      document.documentElement.removeEventListener("mousemove", moveWindow);

      beforeEvent && checkClick(beforeEvent, e);
      beforeEvent = null;
    }


    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 iframeLoaded() {

    }

    function iframeFullscreenChanged() {
      const iframeDoc = this;


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

      }


    }

    let iframeFullscreenChangedBinded = null;



    function onMessage(evt) {
      if (evt.data === 'vdnvorrwsksy') {

        const iframeWin = evt.source;
        const iframeDoc = iframeWin.document;



        function onReady() {

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

        .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 yt-live-chat-renderer.yt-live-chat-app #visible-banners > yt-live-chat-banner-renderer {
  --fc7-banner-opacity: 0.86;
}

.youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app #visible-banners > yt-live-chat-banner-renderer[collapsed] {
  --fc7-banner-opacity: 0.66;
}


.youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app:hover #visible-banners > yt-live-chat-banner-renderer[class] {
  --fc7-banner-opacity: 1;
}


.youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app {
  --fc7-system-message-opacity: 0.66;

}

.youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app:hover {
  --fc7-system-message-opacity: 1.0;

}


.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-renderer.yt-live-chat-app:not(:hover) yt-live-chat-message-input-renderer {
 display: none;
}

.youtube-floating-chat-iframe yt-live-chat-renderer.yt-live-chat-app:hover yt-live-chat-message-input-renderer {

    position: absolute;
    transform: translateY(-100%);
    left: 0;
    right: 0;
    opacity: 1;
    background: rgba(0,0,0,0.86);
    }











[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);

}


/* hide message */
.youtube-floating-chat-iframe yt-live-chat-app:not(:hover) > 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: collapse;
}



        `;


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

          iframeFullscreenChangedBinded();


        }



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

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

        });


      }

    }


    function setChat(chat) {

      let resizeHandle = HTMLElement.prototype.querySelector.call(chat, '.resize-handle')
      if (resizeHandle) return;



      let cw = (() => {
        try {
          const { head, body } = chat.$.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();

      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;

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



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


      chatWindow = chat;
      showHideButton = HTMLElement.prototype.querySelector.call(chat, '#show-hide-button');
      chatWindowWR = mWeakRef(chat)
      showHideButtonWR = mWeakRef(showHideButton);



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

      reset();

    }


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

    function noChat(chat) {

      let chatWindow;
      let showHideButton;

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



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


      let resizeHandle = HTMLElement.prototype.querySelector.call(chat, '.resize-handle')
      if (resizeHandle) {
        resizeHandle.remove();
      }

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


      showHideButton = HTMLElement.prototype.querySelector.call(chat, '#show-hide-button');

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


      reset();
    }


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

    customYtElements.whenRegistered('ytd-live-chat-frame', (proto) => {


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

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

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

    })




  } else if (isIframe && top === parent) {



    top.postMessage(hkey_script, `${location.protocol}//${location.hostname}`);




  }




})({ Promise, requestAnimationFrame });