// ==UserScript==
// @name         Youtube: Spacebar to Play/Pause Videos
// @namespace    ytSpacePauseKK
// @description  Force bind the spacebar to play/pause videos
// @version      1.7
// @author       Kai Krause <[email protected]>
// @match        http://*.youtube.com/*
// @match        https://*.youtube.com/*
// @exclude      https://*.youtube.com/embed/*
// @run-at       document-start
// @grant        none
// ==/UserScript==
let cachedMode = "";
document.addEventListener("keydown", function onEvent(e) {
if (e.code !== "Space") return;
let ae = document.activeElement;
if (ae.tagName.toLowerCase() == "input" || ae.hasAttribute("contenteditable")) return;
e.preventDefault();
e.stopImmediatePropagation();
if (document.location.hostname == "music.youtube.com") {
document.querySelector("#play-pause-button").click();
}
else {
let player = document.querySelector(".html5-video-player");
if (player.classList.contains("paused-mode")) cachedMode = "paused-mode";
if (player.classList.contains("playing-mode")) cachedMode = "playing-mode";
if (player.classList.contains("ended-mode")) cachedMode = "ended-mode";
setTimeout(() => {
let player = document.querySelector(".html5-video-player");
if (player.classList.contains(cachedMode)) {
document.querySelector("button.ytp-play-button").click();
cachedMode = "";
}
}, 200);
}
});