// ==UserScript==
// @name         Zoom Cloud Playback keyboard shortcut control
// @namespace    http://tampermonkey.net/
// @include	     *.zoom.us/*
// @version      1.0
// @description  player keyboard control
// @author       VinC
// @grant        none
// @run-at       document-end
// @downloadURL none
// ==/UserScript==

// User input.
window.addEventListener("keydown", keydown);

// User determined events.
function keydown (event) {
    // Spacebar: Play/Pause
    if (event.keyCode == 32) {
        document.getElementsByClassName('vjs-play-control')[0].click();
    }
    // c key: captions
    if (event.keyCode == 67) {
        document.getElementsByClassName('vjs-captions-control-button')[0].click();
    }
    // f key: full scree
    if (event.keyCode == 70) {
        document.getElementsByClassName('vjs-fullscreen-toggle-control-button')[0].click();
    }
}