// ==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 0.1.0
// @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=1201715
// @run-at document-start
// @grant none
// @unwrap
// @allFrames true
// @inject-into page
// ==/UserScript==
((__CONTEXT__) => {
const createStyleText = () => `
:fullscreen ytd-live-chat-frame#chat {
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;
}
:fullscreen ytd-live-chat-frame#chat #show-hide-button[class]{
flex-grow: 0;
flex-shrink:0;
position:static;
cursor: all-scroll;
}
:fullscreen ytd-live-chat-frame#chat #show-hide-button[class] *[class]{
cursor: inherit;
}
:fullscreen ytd-live-chat-frame#chat iframe[class]{
flex-grow: 100;
flex-shrink:0;
height: 0;
position:static;
}
html{
--f7-handle-color: #0cb8da;
}
html[dark]{
--f7-handle-color: #0c74e4;
}
:fullscreen .resize-handle{
position: absolute;
top: 0;
left: 0;
bottom: 0;
background: transparent;
right: 0;
border: 4px solid var(--f7-handle-color);
z-index: 999;
border-radius: inherit;
box-sizing: border-box;
pointer-events:none;
}
[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;
}
:fullscreen tyt-iframe-popup-btn{
display: none !important;
}
[moving] tyt-iframe-popup-btn{
display: none !important;
}
`;
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 }
}
function resizeWindow(e) {
const chatWindow = kRef(chatWindowWR);
if (chatWindow) {
if (edge == 4 || edge == 1) {
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");
} else if (edge == 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");
} else {
return;
}
e.stopPropagation();
e.preventDefault();
}
}
function moveWindow(e) {
const chatWindow = kRef(chatWindowWR);
if (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");
e.stopPropagation();
e.preventDefault();
}
}
function initializeResize(e) {
if (e.target.id !== 'chat') return;
const { x, y } = getXY(e);
edge = 0;
if (x < 16 && y < 16) { edge = -1 }
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) {
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.addEventListener("mousemove", resizeWindow);
document.documentElement.addEventListener("mouseup", stopResize);
}
function initializeMove(e) {
const chatWindow = kRef(chatWindowWR);
startX = e.pageX;
startY = e.pageY;
if (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.addEventListener("mousemove", moveWindow);
document.documentElement.addEventListener("mouseup", stopMove);
e.stopPropagation();
e.preventDefault();
}
stopResize = () => {
document.documentElement.removeAttribute('moving');
document.documentElement.removeEventListener("mousemove", resizeWindow);
}
stopMove = () => {
document.documentElement.removeAttribute('moving');
document.documentElement.removeEventListener("mousemove", moveWindow);
}
function reset() {
document.documentElement.removeAttribute('moving');
document.documentElement.removeEventListener("mousemove", resizeWindow);
document.documentElement.removeEventListener("mousemove", moveWindow);
startX = 0;
startY = 0;
startWidth = 0;
startHeight = 0;
edge = 0;
initialLeft = 0;
initialTop = 0;
}
function setChat(chat) {
let resizeHandle = HTMLElement.prototype.querySelector.call(chat, '.resize-handle')
if (resizeHandle) return;
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();
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();
}
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();
}
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);
})
})({ Promise, requestAnimationFrame });
