Re-enable the context menu on videos in the Vimeo embedded player

vimeofixer.user.js

// ==UserScript==
// @name Vimeo Embed Playback Rate Control
// @namespace zerf
// @match *://player.vimeo.com/*
// @grant none
// @run-at document-end
// ==/UserScript==

const log = (...args) => console.log("[ZERFVIMEO]", ...args)

const tryToAddSpeedButtonToMenu = function() {
  const menu = document.querySelector(".vp-menubar .vp-menu")

  if (!menu) {
    setTimeout(tryToAddSpeedButtonToMenu, 500)
    return
  }

  // add speed button to gear menu
  const btn = document.createElement("p")
  btn.innerText = "⚡"
  btn.addEventListener("click", () => {
    if (menu.classList.contains("vp-menu-invisible")) { return }
    let speed = prompt("enter new playback speed")
    if (speed && Number(speed)) {
      document.querySelector("video").playbackRate = speed
    }
  })
  btn.style.fontSize = "16pt"
  btn.style.width = "100%"
  btn.style.textAlign = "center"
  btn.style.margin = "0"
  menu.querySelector(".vp-panel-items").appendChild(btn)

  log("Added speed button to menu successfully")
}

tryToAddSpeedButtonToMenu()

// allow context menu on video itself
const old = Element.prototype.addEventListener
Element.prototype.addEventListener = function(...args) {
  if (args[0].toLowerCase() == "contextmenu") {
    log("blocked contextmenu event for", this, ":", ...args)
    return
  }
  return old.apply(this, args)
}

const tryToHideEventBlockingElements = function() {
  // when the video is played, the preview becomes inactive so we're fine to axe it
  const inactivePreview = document.querySelector(".vp-preview.vp-preview-invisible")

  if (!inactivePreview) {
    setTimeout(tryToHideEventBlockingElements, 500)
    return
  }

  // allow context menu on video itself by removing elements that are in the way
  const dotTarget = document.querySelector(".target")
  dotTarget.parentElement.removeChild(dotTarget)

  inactivePreview.parentElement.removeChild(inactivePreview)

  log("Hid event-blocking elements successfully")
}

tryToHideEventBlockingElements()