Adds keyboard shortcuts and button highlights to Yandex Telemost.
// ==UserScript==
// @name Telemost Hotkeys
// @name:ru Горячие клавиши для сервиса Яндекс Телемост
// @namespace https://github.com/happyproff/userscript-telemost-hotkeys
// @version 1.6.1
// @description Adds keyboard shortcuts and button highlights to Yandex Telemost.
// @description:ru Добавляет горячие клавиши и подсветку кнопок в Яндекс Телемост.
// @author Stanislav Gamaiunov
// @license MIT
// @match https://telemost.yandex.ru/*
// @match https://telemost.360.yandex.ru/*
// @match https://yandex.ru/chat*
// @icon https://raw.githubusercontent.com/happyproff/userscript-telemost-hotkeys/main/chrome-extension/icons/icon-128.png
// @homepageURL https://github.com/happyproff/userscript-telemost-hotkeys
// @supportURL https://github.com/happyproff/userscript-telemost-hotkeys/issues
// @grant none
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
const CLICK_MESSAGE_TYPE = 'telemost-hotkeys-click';
const TELEMOST_ORIGINS = new Set([
'https://telemost.yandex.ru',
'https://telemost.360.yandex.ru',
]);
const ALLOWED_SELECTORS = new Set([
'[data-testid="turn-on-mic-button"], [data-testid="turn-off-mic-button"]',
'[data-testid="turn-on-camera-button"], [data-testid="turn-off-camera-button"]',
'[data-testid="hand-up-button"], [data-testid="hand-down-button"]',
'[data-testid="start-demonstration-button"], [data-testid="stop-demonstration-button"]',
'button[data-testid="chat-alt-button"]',
]);
const BUTTON_ACTIVE_CLASS = 'telemost-hotkeys-button-active';
const HOTKEYS = new Map([
['KeyA', {
action: 'Microphone',
selector: '[data-testid="turn-on-mic-button"], [data-testid="turn-off-mic-button"]',
}],
['KeyV', {
action: 'Camera',
selector: '[data-testid="turn-on-camera-button"], [data-testid="turn-off-camera-button"]',
}],
['KeyR', {
action: 'Raise hand',
selector: '[data-testid="hand-up-button"], [data-testid="hand-down-button"]',
}],
['KeyD', {
action: 'Screen sharing',
selector: '[data-testid="start-demonstration-button"], [data-testid="stop-demonstration-button"]',
}],
['KeyC', {
action: 'Chat',
selector: 'button[data-testid="chat-alt-button"]',
}],
['KeyH', {
action: 'Chat',
selector: 'button[data-testid="chat-alt-button"]',
}],
]);
const isTopWindow = () => {
try {
return window.top === window;
} catch {
return false;
}
};
let activeHighlightSelector = '';
let highlightIntervalId;
const clickPageButton = (selector) => {
if (!ALLOWED_SELECTORS.has(selector)) {
return false;
}
const button = document.querySelector(selector);
button?.click();
return Boolean(button);
};
const setPageButtonHighlight = (selector, isActive) => {
activeHighlightSelector = isActive ? selector : '';
clearInterval(highlightIntervalId);
document.querySelectorAll(`.${BUTTON_ACTIVE_CLASS}`).forEach((button) => {
button.classList.remove(BUTTON_ACTIVE_CLASS);
});
if (!isActive || !ALLOWED_SELECTORS.has(selector)) {
return;
}
const applyHighlight = () => {
if (activeHighlightSelector !== selector) {
return;
}
document.querySelectorAll(`.${BUTTON_ACTIVE_CLASS}`).forEach((button) => {
button.classList.remove(BUTTON_ACTIVE_CLASS);
});
document.querySelector(selector)?.classList.add(BUTTON_ACTIVE_CLASS);
};
applyHighlight();
highlightIntervalId = setInterval(applyHighlight, 50);
};
const getParentOrigin = () => {
return new URLSearchParams(window.location.search).get('parentOrigin') || 'https://telemost.360.yandex.ru';
};
const isTelemostPage = () => {
return TELEMOST_ORIGINS.has(window.location.origin);
};
const isTelemostChatFrame = () => {
return window.location.origin === 'https://yandex.ru' && !isTopWindow() && TELEMOST_ORIGINS.has(getParentOrigin());
};
if (!isTelemostPage() && !isTelemostChatFrame()) {
return;
}
const sendButtonEvent = (eventName, action, selector) => {
if (isTopWindow()) {
if (eventName === 'press') {
console.info(`[Telemost Hotkeys] ${action} hotkey pressed.`);
setPageButtonHighlight(selector, true);
clickPageButton(selector);
} else if (eventName === 'release') {
setPageButtonHighlight(selector, false);
}
return;
}
window.top?.postMessage({
type: CLICK_MESSAGE_TYPE,
eventName,
action,
selector,
}, getParentOrigin());
};
const pressButton = (action, selector) => {
sendButtonEvent('press', action, selector);
};
const releaseButton = (selector) => {
sendButtonEvent('release', '', selector);
};
const handleHotkey = (e) => {
const hotkey = HOTKEYS.get(e.code);
const isAltRelease = e.type === 'keyup' && (e.code === 'AltLeft' || e.code === 'AltRight');
if (e.type === 'keyup') {
if (hotkey) {
e.preventDefault();
releaseButton(hotkey.selector);
} else if (isAltRelease) {
releaseButton('');
}
return;
}
if (e.repeat || !hotkey) {
return;
}
if (!e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) {
return;
}
e.preventDefault();
pressButton(hotkey.action, hotkey.selector);
};
window.addEventListener('keydown', handleHotkey, true);
window.addEventListener('keyup', handleHotkey, true);
window.addEventListener('blur', () => releaseButton(''));
window.addEventListener('message', (e) => {
if (
!isTopWindow() ||
e.origin !== 'https://yandex.ru' ||
e.data?.type !== CLICK_MESSAGE_TYPE
) {
return;
}
if (e.data.eventName !== 'release' && !ALLOWED_SELECTORS.has(e.data.selector)) {
return;
}
if (e.data.eventName === 'press') {
console.info(`[Telemost Hotkeys] ${e.data.action} hotkey pressed.`);
setPageButtonHighlight(e.data.selector, true);
clickPageButton(e.data.selector);
setPageButtonHighlight(e.data.selector, true);
} else if (e.data.eventName === 'release') {
setPageButtonHighlight(e.data.selector, false);
}
});
const addStyles = () => {
const style = document.createElement('style');
style.textContent = `
[data-testid="turn-off-mic-button"],
[data-testid="turn-off-camera-button"],
[data-testid="hand-down-button"],
[data-testid="stop-demonstration-button"] {
background: #b91c1c !important;
color: #ffffff !important;
}
.${BUTTON_ACTIVE_CLASS} {
outline: 2px solid #3b82f6 !important;
outline-offset: 2px !important;
}
`;
document.head.appendChild(style);
};
if (document.head) {
addStyles();
} else {
document.addEventListener('DOMContentLoaded', addStyles, { once: true });
}
})();