Add Instagram Video Progressbar

Add a video playback progressbar at bottom of an Instagram video. This script also disables video looping and unmute audio. All are configurable in script code. Note: CSP must be disabled for Instagram, or use Tampermonkey.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Add Instagram Video Progressbar
// @namespace    https://greatest.deepsurf.us/en/users/85671-jcunews
// @version      1.0.8
// @license      GNU AGPLv3
// @author       jcunews
// @description  Add a video playback progressbar at bottom of an Instagram video. This script also disables video looping and unmute audio. All are configurable in script code. Note: CSP must be disabled for Instagram, or use Tampermonkey.
// @match        *://www.instagram.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function(vael, ie, ee, be, wm) {

  //===== CONFIGURATION BEGIN =====

  var ProgressbarHeight       = 3; //in pixels. set to zero to hide
  var ProgressbarColor        = "#fff"; //e.g. "#fff" or "#e0e0e0" or "cyan"
  var ProgressbarElapsedColor = "#f00";

  var disableVideoLoop = true;
  var unmuteVideo      = true;

  //===== CONFIGURATION END =====

  function setup(a, b) {
    if (disableVideoLoop && !this.attributes.noloop) {
      ie = this.parentNode.parentNode.parentNode.parentNode.lastElementChild;
      this.setAttribute("noloop", "");
      this.parentNode.querySelectorAll('div[role]').forEach(e => {
        Object.keys(e).some(k => {
          if (k.startsWith("__reactProps$")) {
            if (String(e[k].onClick).includes("pause")) e.addEventListener("click", () => this.paused && this.play());
            return true
          }
        })
      })
    }
    a = "aivp" + (new Date()).getTime();
    b = a + "bar";
    ee = document.createElement("DIV");
    ee.id = a;
    ee.innerHTML = `<style>
#${a} { position: absolute; opacity: .66; left: 0; right: 0; bottom: 0; height: ${ProgressbarHeight}px; background: ${ProgressbarColor} }
#${b} { width: 0; transition: width 100ms linear; height: 100%; background: ${ProgressbarElapsedColor} }
</style><div id="${b}"></div>`;
    wm.set(this, be = ee.lastElementChild);
    this.parentNode.insertBefore(ee, this);
    if (unmuteVideo && this.muted) {
      if (location.pathname.startsWith("/stories/")) {
        this.closest('div[style*="width"]')?.parentNode?.closest('div[style*="width"]')?.parentNode?.closest('div[style*="width"]')
          ?.querySelector('div[aria-label="Toggle audio"]')?.click()
      } else {
        this.parentNode.querySelectorAll('button').forEach(e => {
          Object.keys(e).some(k => {
            if (k.startsWith("__reactProps$")) {
              if (String(e[k].onClick).includes("AUDIO_STATES")) e.click();
              return true
            }
          })
        })
      }
    }
    this.removeEventListener("canplay", setup);
  }
  wm = new WeakMap;
  vael = HTMLVideoElement.prototype.addEventListener;
  HTMLVideoElement.prototype.addEventListener = function(type) {
    var res;
    ((ve, tm, be) => {
      function updBar() {
        be.style.width = Math.ceil((ve.currentTime / ve.duration) * ee.offsetWidth) + "px";
      }
      function startTimer(ev) {
        if (!be) be = wm.get(this);
        if (disableVideoLoop) ve.loop = false;
        if (!tm) tm = setInterval(updBar, 100);
      }
      function stopTimer(ev) {
        if (ev.type === "ended") {
          be.style.width = "100%";
          if (disableVideoLoop) ie.click();
        }
        clearInterval(tm);
        tm = 0;
      }
      if (disableVideoLoop && (type === "ended")) return;
      res = vael.apply(ve, arguments);
      if (!ve.attributes["aivp_done"]) {
        ve.setAttribute("aivp_done", "1");
        vael.call(ve, "canplay", setup);
        vael.call(ve, "play", startTimer);
        vael.call(ve, "playing", startTimer);
        vael.call(ve, "waiting", stopTimer);
        vael.call(ve, "pause", stopTimer);
        vael.call(ve, "ended", stopTimer);
      }
    })(this);
    return res;
  };
})();