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ماراثون Netflix (يمكن إيقافه مؤقتًا)

برنامج نصي قابل للتكوين يتخطى الملخصات والمقدمات والاعتمادات والإعلانات تلقائيًا وينقر على "الحلقة التالية" على Netflix و Amazon Prime Video و Hulu و HBO Max و Starz و Disney + و Hotstar. مفتاح التشغيل السريع القابل للتخصيص لإيقاف / استئناف وظيفة التخطي التلقائي. Alt + N للإعدادات.

// ==UserScript==
// @name               Netflix Marathon (Pausable)
// @name:en            Netflix Marathon (Pausable)
// @name:zh-CN         Netflix 马拉松(可暂停)
// @name:zh-TW         Netflix 馬拉松(可暫停)
// @name:ja            Netflix Marathon(一時停止できます)
// @name:ko            Netflix 마라톤(일시 중지 가능)
// @name:ar            ماراثون Netflix (يمكن إيقافه مؤقتًا)
// @name:de            Netflix-Marathon (pausierbar)
// @name:ru            Netflix Marathon (пауза)
// @name:hi            नेटफ्लिक्स मैराथन (रोकने योग्य)
// @namespace          https://github.com/aminomancer
// @version            5.7.6
// @description        A configurable script that automatically skips recaps, intros, credits, and ads, and clicks "next episode" prompts on Netflix, Amazon Prime Video, Hulu, HBO Max, Starz, Disney+, and Hotstar. Customizable hotkey to pause/resume the auto-skipping functionality. Alt + N for settings.
// @description:en     A configurable script that automatically skips recaps, intros, credits, and ads, and clicks "next episode" prompts on Netflix, Amazon Prime Video, Hulu, HBO Max, Starz, Disney+, and Hotstar. Customizable hotkey to pause/resume the auto-skipping functionality. Alt + N for settings.
// @description:zh-CN  一个可配置的脚本,可自动跳过重述、介绍、演职员表和广告,并点击 Netflix、Amazon Prime Video、Hulu、HBO Max、Starz、Disney+ 和 Hotstar 上的“下一集”提示。 可自定义的热键暂停/恢复自动跳过功能。 Alt + N 进行设置。
// @description:zh-TW  一個可配置的腳本,可自動跳過重述、介紹、演職員表和廣告,並點擊 Netflix、Amazon Prime Video、Hulu、HBO Max、Starz、Disney+ 和 Hotstar 上的“下一集”提示。 可自定義的熱鍵暫停/恢復自動跳過功能。 Alt + N 進行設置。
// @description:ja     要約、イントロ、クレジット、広告を自動的にスキップし、Netflix、Amazon Prime Video、Hulu、HBO Max、Starz、Disney +、Hotstarの「次のエピソード」のプロンプトをクリックする構成可能なスクリプト。 自動スキップ機能を一時停止/再開するためのカスタマイズ可能なホットキー。 Alt + Nで設定します。
// @description:ko     요약, 소개, 크레딧 및 광고를 자동으로 건너뛰고 Netflix, Amazon Prime Video, Hulu, HBO Max, Starz, Disney+ 및 Hotstar에서 "다음 에피소드" 프롬프트를 클릭하는 구성 가능한 스크립트입니다. 자동 건너뛰기 기능을 일시 중지/재개하는 사용자 지정 가능한 단축키입니다. Alt + N은 설정입니다.
// @description:ar     برنامج نصي قابل للتكوين يتخطى الملخصات والمقدمات والاعتمادات والإعلانات تلقائيًا وينقر على "الحلقة التالية" على Netflix و Amazon Prime Video و Hulu و HBO Max و Starz و Disney + و Hotstar. مفتاح التشغيل السريع القابل للتخصيص لإيقاف / استئناف وظيفة التخطي التلقائي. Alt + N للإعدادات.
// @description:de     Ein konfigurierbares Skript, das automatisch Zusammenfassungen, Vorspänne, Abspänne und Werbung überspringt und bei Netflix, Amazon Prime Video, Hulu, HBO Max, Starz, Disney+ und Hotstar auf die Aufforderung "nächste Episode" klickt. Anpassbarer Hotkey zum Anhalten/Fortsetzen der Auto-Skipping-Funktion. Alt + N für Einstellungen.
// @description:ru     Настраиваемый сценарий, который автоматически пропускает резюме, вступление, титры и рекламу, а также нажимает подсказки «следующий выпуск» на Netflix, Amazon Prime Video, Hulu, HBO Max, Starz, Disney + и Hotstar. Настраиваемая горячая клавиша для приостановки / возобновления функции автоматического пропуска. Alt + N для настроек.
// @description:hi     एक विन्यास योग्य स्क्रिप्ट जो स्वचालित रूप से रिकैप, इंट्रो, क्रेडिट और विज्ञापनों को छोड़ देती है, और नेटफ्लिक्स, अमेज़ॅन प्राइम वीडियो, हुलु, एचबीओ मैक्स, स्टारज़, डिज़नी + और हॉटस्टार पर "अगला एपिसोड" पर क्लिक करती है। ऑटो-स्किपिंग कार्यक्षमता को रोकने/फिर से शुरू करने के लिए अनुकूलन योग्य हॉटकी। सेटिंग्स के लिए Alt + N।
// @author             aminomancer
// @homepageURL        https://github.com/aminomancer/Netflix-Marathon-Pausable
// @supportURL         https://github.com/aminomancer/Netflix-Marathon-Pausable
// @icon               https://cdn.jsdelivr.net/gh/aminomancer/Netflix-Marathon-Pausable@latest/icon-small.svg
// @license            CC-BY-NC-SA-4.0
// @match              http*://*.amazon.ae/*
// @match              http*://*.amazon.ca/*
// @match              http*://*.amazon.cn/*
// @match              http*://*.amazon.co.jp/*
// @match              http*://*.amazon.co.uk/*
// @match              http*://*.amazon.com/*
// @match              http*://*.amazon.com.au/*
// @match              http*://*.amazon.com.br/*
// @match              http*://*.amazon.com.mx/*
// @match              http*://*.amazon.de/*
// @match              http*://*.amazon.eg/*
// @match              http*://*.amazon.es/*
// @match              http*://*.amazon.fr/*
// @match              http*://*.amazon.in/*
// @match              http*://*.amazon.it/*
// @match              http*://*.amazon.nl/*
// @match              http*://*.amazon.pl/*
// @match              http*://*.amazon.sa/*
// @match              http*://*.amazon.se/*
// @match              http*://*.amazon.sg/*
// @match              http*://*.amazon.tr/*
// @match              http*://*.disneyplus.com/*
// @match              http*://*.starplus.com/*
// @match              http*://play.hbomax.com/*
// @match              http*://play.max.com/*
// @match              http*://*.hotstar.com/*
// @match              http*://*.hulu.com/*
// @match              http*://*.netflix.com/*
// @match              http*://*.primevideo.com/*
// @match              http*://*.starz.com/*
// @match              http*://*.starz.ca/*
// @match              http*://*.starzplay.com/*
// @require            https://greasyfork.org/scripts/420683-gm-config-sizzle/code/GM_config_sizzle.js?version=894369
// @grant              GM_registerMenuCommand
// @grant              GM_unregisterMenuCommand
// @grant              GM_setValue
// @grant              GM_getValue
// @grant              GM_deleteValue
// @grant              GM_addValueChangeListener
// @grant              GM_listValues
// @grant              GM_openInTab
// @grant              GM.setValue
// @grant              GM.getValue
// @grant              GM.deleteValue
// @grant              GM.listValues
// @grant              GM.openInTab
// ==/UserScript==

/* global GM, GM_registerMenuCommand, GM_unregisterMenuCommand,
GM_getValue:writable, GM_setValue:writable, GM_deleteValue:writable,
GM_addValueChangeListener, GM_removeValueChangeListener, GM_listValues:writable,
GM_openInTab:writable, WebFontConfig:writable, GM_config, WebFont */
const options = {}; // where settings are stored during runtime
// check if the script handler is GM4, since if it is, we can't add a menu command
const GM4 =
  typeof window.GM?.getValue === "function" &&
  GM.info.scriptHandler === "Greasemonkey" &&
  GM.info.version.split(".")[0] >= 4;
const cdnAddress =
  "https://cdn.jsdelivr.net/gh/aminomancer/Netflix-Marathon-Pausable@latest";
let marathon;
/**
 * pause execution for n milliseconds
 * @param {Number} ms milliseconds
 * @returns {Promise} a promise that resolves after n milliseconds
 */
const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
/**
 * @param {String} u a string to test the URL against
 * @returns {Boolean} true if the URL matches the string
 */
const test = u => window.location.href.includes(u);
const getHost = () => {
  const urlParts = window.location.hostname.split(".");
  const host = urlParts
    .filter(part => {
      switch (part) {
        case "amazon":
        case "primevideo":
        case "disneyplus":
        case "starplus":
        case "hotstar":
        case "hulu":
        case "hbomax":
        case "max":
        case "netflix":
        case "starz":
        case "starzplay":
          return true;
        default:
          return false;
      }
    })
    .join();
  // aliases for some sites
  switch (host) {
    case "primevideo":
      return "amazon";
    case "starplus":
      return "disneyplus";
    case "max":
      return "hbomax";
    case "starzplay":
      return "starz";
    default:
      return host;
  }
};
const site = getHost();
// some basic localization for the settings menu. just the parts necessary to
// get to the readme, which has chinese, japanese, and arabic translations
const l10n = {
  /**
   * get the locale language code (e.g. "en" for English)
   * @returns {String} the first part of the user's current ISO 639-1 code
   */
  get lang() {
    // memoize the language since it's unlikely to change during runtime
    if (!this._lang) this._lang = navigator.language.split("-")[0];
    return this._lang;
  },
  /**
   * get the label for the support button in settings
   * @returns {String}
   */
  get text() {
    if (this._text) return this._text;
    switch (this.lang) {
      case "zh":
        this._text = "信息"; // chinese
        break;
      case "ja":
        this._text = "助けて"; // japanese
        break;
      case "ko":
        this._text = "기술 지원"; // korean
        break;
      case "ar":
        this._text = "تعليمات"; // arabic
        break;
      case "de":
        this._text = "Hilfe"; // german
        break;
      case "ru":
        this._text = "помощь"; // russian
        break;
      case "hi":
        this._text = "तकनीकी समर्थन"; // hindi
        break;
      default:
        this._text = "Support"; // english etc.
    }
    return this._text;
  },
  /**
   * get the tooltip for the support button in settings
   * @returns {String}
   */
  get title() {
    if (this._title) return this._title;
    switch (this.lang) {
      case "zh":
        this._title = "设置的信息和翻译";
        break;
      case "ja":
        this._title = "設定の情報と翻訳";
        break;
      case "ko":
        this._title = "설정에 대한 정보 및 번역";
        break;
      case "ar":
        this._title = "معلومات وترجمات للإعدادات";
        break;
      case "de":
        this._title = "Infos und Übersetzungen zu den Einstellungen";
        break;
      case "ru":
        this._title = "Информация и переводы для настроек";
        break;
      case "hi":
        this._title = "सेटिंग्स के लिए जानकारी और अनुवाद";
        break;
      default:
        this._title = "Info and translations for the settings";
    }
    return this._title;
  },
};
const methods = {
  // contains the site-specific callbacks and various utility functions
  sites: [
    "amazon",
    "disneyplus",
    "hotstar",
    "hulu",
    "hbomax",
    "netflix",
    "starz",
  ],
  // how many times to skip the site callback before checking for elements
  // again. if this is 0, the callback will run when the interval fires. if an
  // element is found, we add 5 to this value to skip the callback for 5 more
  // intervals, since after pressing a button, there usually won't be anything
  // else to skip for a while. if an element is not found, we start subtracting
  // from this value until it reaches 0 and the callback can run again.
  skips: 0,
  /**
   * getElementsByTagName
   * @param {String} s tag name to search for
   * @returns {Array} an array of elements with the given tag name
   */
  byTag: (s, p = document) => p.getElementsByTagName(s),
  /**
   * getElementById
   * @param {String} s element id to search for
   * @returns {Element} the element with the given id
   */
  byID: s => document.getElementById(s),
  /**
   * querySelector
   * @param {String} s CSS selector e.g. ".class" or "#id"
   * @returns {Element} the first element matching the given CSS selector
   */
  qry: (s, p = document) => p.querySelector(s),
  /**
   * querySelectorAll
   * @param {String} s CSS selector e.g. ".class" or "#id"
   * @returns {Array} an array of elements matching the given CSS selector
   */
  qryAll: (s, p = document) => p.querySelectorAll(s),
  /**
   * find react instance given a DOM node
   * @param {Object} d usually a DOM node, but can be a react instance
   * @returns {Object} the react instance
   */
  reactInstance(d = 0) {
    for (const [key, value] of Object.entries(d)) {
      if (key.startsWith("__reactInternalInstance$")) return value;
    }
    return null;
  },
  /**
   * find react fiber given a DOM node
   * @param {Object} d usually a DOM node, but can be a react instance
   * @returns {Object} the react fiber
   */
  reactFiber(d = 0) {
    for (const [key, value] of Object.entries(d)) {
      if (key.startsWith("__reactFiber$")) return value;
    }
    return null;
  },
  /**
   * determine if an element is visible
   * @param {Element} el the element to check
   * @returns {Boolean} true if the element is visible
   */
  isVisible(el) {
    if (!el) return false;
    try {
      const { visibility, display } = getComputedStyle(el);
      return !!(
        el.offsetParent &&
        !["hidden", "collapse"].includes(visibility) &&
        display !== "none"
      );
    } catch (e) {
      return false;
    }
  },
  /**
   * ensure the controller is not paused
   * @returns {Boolean} true if the controller is not paused
   */
  get isReady() {
    return this.controller?.pauseState === 1;
  },
  /**
   * clicks the passed element and sets the count to 5
   * @param {Element|String} s element or CSS selector string
   */
  clk(s, fn = s => s.click()) {
    if (typeof s === "string") s = this.qry(s);
    try {
      fn(s);
      this.skips = 5;
    } catch (e) {
      this.skips = 2;
    }
  },
  /**
   * pass a CSS selector string to locate a react component and invoke its
   * onPress method. a trick to get around the fact that HBO tries to stop
   * adblockers and other extensions from invoking Element.click(), etc.
   * @param {Element|String} s element or CSS selector string
   */
  hboPress(s) {
    this.clk(s, s => this.reactFiber(s).return.return.memoizedProps.onPress());
  },
  /** Same as above but for play.max.com */
  maxPress(s) {
    this.clk(s, s => this.reactFiber(s).return.memoizedProps.onClick());
  },
  /**
   * set a bunch of attributes on an element
   * @param {Element} element the element to set attributes on
   * @param {{[key: string]: string|void}} attrs key/value pairs for attributes.
   *   if the value is undefined, the attribute is removed.
   */
  maybeSetAttributes(element, attrs = 0) {
    for (const [name, value] of Object.entries(attrs)) {
      if (value === undefined) element.removeAttribute(name);
      else element.setAttribute(name, value);
    }
  },
  /**
   * create an element with given parameters
   * @param {Document} doc which doc to create the element in
   * @param {String} tag an HTML tag name, like "button" or "p"
   * @param {Object} props an object containing attribute name/value pairs, e.g.
   *   {class: ".bookmark-item", id: "bookmark-item-1"}
   * @returns {Element} the created element
   */
  create(doc, tag, props) {
    const el = doc.createElement(tag);
    this.maybeSetAttributes(el, props);
    return el;
  },
  // these are the site-specific callback methods. they search for elements that
  // skip stuff. when the script is not paused, they are invoked on a timer.
  amazon() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    if (!this.byID("dv-web-player")?.offsetParent) {
      return;
    }
    // memoize the element when we check for its existence so we don't have to
    // evaluate the DOM twice.
    let store;
    if (
      (store = this.qry(".atvwebplayersdk-nextupcard-button")) &&
      // if the next up card is an episode, click it. otherwise, it's probably a
      // movie promo, in which case we only click it if the user has enabled the
      // promoted setting.
      (this.qry(".atvwebplayersdk-nextupcard-episode", store) ||
        options.promoted)
    ) {
      this.clk(store);
      return;
    }
    if ((store = this.qry(".atvwebplayersdk-skipelement-button"))) {
      // skip various things
      this.clk(store);
      return;
    }
    if ((store = this.qry(".adSkipButton"))) {
      // skip ad
      this.clk(store);
      return;
    }
    if ((store = this.qry(".skipElement"))) {
      // skip intro
      this.clk(store);
      return;
    }
    if ((store = this.qry(".fu4rd6c"))) {
      // skip ad button on some versions of amazon.
      this.clk(store);
    }
  },
  netflix() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    let store;
    if (
      (store = this.qry(
        "[data-uia='next-episode-seamless-button-draining'], [data-uia='next-episode-seamless-button']"
      ))
    ) {
      // next episode button
      this.reactFiber(store)?.memoizedProps.onClick?.();
      this.skips = 5;
      return;
    }
    if (
      options.promoted &&
      (store = this.qry(".PromotedVideo-actions")?.firstElementChild)
    ) {
      // promoted video autoplay
      this.clk(store);
      return;
    }
    if ((store = this.qry(".watch-video--skip-content-button"))) {
      // skip intro, recap, etc.
      this.clk(store);
      return;
    }
    if ((store = this.qry(".watch-video--skip-preplay-button"))) {
      // not sure what this does but I found this while trying to reverse
      // engineer the source code. please inform me if you know
      this.clk(store);
    }
  },
  disneyplus() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    if (!test("/video/")) return;
    let store;
    if ((store = this.qry(".skip__button"))) {
      // skip intro, skip recap, skip credits, etc.
      this.clk(store);
      return;
    }
    if ((store = this.qry('button[data-testid="up-next-play-button"]'))) {
      let skip = false;
      // if options.promoted is enabled, we can autoplay disneyplus'
      // recommendations after a film or the last episode in a series.
      if (options.promoted) {
        skip = true;
      } else {
        const react = this.reactInstance(
          this.qry('[data-gv2containerkey="playerUpNext"]')
        );
        // if we're in a TV series, skip regardless of options.promoted
        skip = react?.return?.memoizedProps?.asset?.programType === "episode";
      }
      if (skip) this.clk(store);
      // if we're not skipping, don't search again for a while since the buttons
      // are unlikely to change during a promoted title display.
      else this.skips = 5;
    }
  },
  hotstar() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    if (!test("/id/")) return;
    let store;
    if (
      (store = this.qry(
        ".binge-btn-wrapper.show-btn .binge-btn.primary.medium"
      ))
    ) {
      // skip intro, skip recap.
      this.clk(store);
      return;
    }
    if (
      (store = this.qry(
        ".binge-btn-wrapper.show-btn .binge-btn.secondary.filler"
      ))
    ) {
      // skip outro or next episode immediately.
      this.clk(store);
    }
  },
  hulu() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    if (!test("/watch/")) return;
    const controls = this.qry(".ControlsContainer");
    if (!controls) {
      // this means the whole video interface is gone for some reason
      this.skips = 10;
      return;
    }
    const controlProps = this.reactInstance(controls)?.return?.memoizedProps;
    if (!controlProps) return; // this shouldn't happen either
    if (controlProps.isSkipButtonShown) {
      // skip intro, skip recap, skip ad, etc.
      this.clk(this.qry(".SkipButton button"));
      return;
    }
    if (controlProps.isEndCardVisible && controlProps.endCardType !== "none") {
      // next episode
      this.clk(this.qry(".EndCardButton"));
      return;
    }
    if (
      controlProps.isOverlayVisible &&
      controlProps.endCardType === "legacy" &&
      options.promoted
    ) {
      // autoplay promoted title
      this.clk(this.qry(".end-card__metadata-area-play-button"));
    }
  },
  async hbomax() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    if (test("play.max.com/video/watch/")) {
      const overlay = this.qry("#overlay-root");
      if (!overlay) {
        // this means the whole video interface is gone for some reason
        this.skips = 10;
        return;
      }
      let store;
      if (
        this.isVisible((store = this.qry('[data-testid="skip"]', overlay))) &&
        (store = this.qry('button[data-testid="player-ux-skip-button"]', store))
      ) {
        // skip intro, skip recap, skip ad, etc.
        this.maxPress(store);
        return;
      }
      if (
        this.isVisible(
          (store = this.qry('[data-testid="up_next"]', overlay))
        ) &&
        (store = this.qry(
          'button[data-testid="player-ux-up-next-button"]',
          store
        ))
      ) {
        // next episode
        const fiber = this.reactFiber(store.parentElement);
        const nextEpisode = fiber?.return?.return?.memoizedProps?.nextEpisode;
        if (
          nextEpisode?.episodeNumber || // tv series
          (options.promoted && nextEpisode?.id) // promoted film/series
        ) {
          this.maxPress(store);
          return;
        }
      }
      // TODO - see if you can reproduce actual ads, where skip/seek controls
      // are disabled. account has ads disabled so can't test. if you check the
      // source code in the debugger, there's a requestSkip() method that's
      // disabled for ads, but it should be possible to call the underlying
      // mediator.skip() method instead, assuming we can get a reference to any
      // of this stuff.
      return;
    }
    if (test("/player/")) {
      try {
        const viewHandle = this.byID("rn-video");
        const fiber = this.reactFiber(viewHandle);
        const player = fiber.return.return.memoizedProps.videoPlayer;
        const uiData = player._uiManager._uiState.uiData;
        if (uiData.activeSkipAnnotation) {
          // skip intro, skip recap, skip ad, etc.
          this.hboPress('[data-testid="SkipButton"]');
          return;
        }
        if (uiData.activeNextEpisodeInfo) {
          // next episode
          try {
            const interactionHandler =
              viewHandle.parentElement.lastElementChild;
            this.reactFiber(
              interactionHandler
            ).return.return.memoizedProps.onMouseMove();
            await sleep(400);
          } finally {
            if (this.isReady) this.hboPress('[data-testid="UpNextButton"]');
          }
        }
      } catch (e) {
        this.skips = 10;
      }
    }
  },
  starz() {
    if (this.skips !== 0) {
      this.skips -= 1;
      return;
    }
    if (!test("/play/") || !this.byTag("starz-player")[0]) {
      return;
    }
    let store;
    if ((store = this.qry(".auto-roll-component.open .next-feature-image"))) {
      // next episode - this is the only one I know of
      this.clk(store);
      return;
    }
    if (this.qry(".preroll-prefix-container")) {
      // skip to the end of the preroll ad
      const video = this.qry("starz-video video");
      if (video) {
        video.currentTime = video.duration;
        return;
      }
    }
    if ((store = this.qry("starz-termsofuse-banner .close-button"))) {
      // skip the terms of use banner since it keeps coming back
      this.clk(store);
    }
  },
};

// creates an interval for a given callback manager (the methods object) and the
// various methods for interacting with the interval (pause, resume, etc.) and
// the popup that shows when the interval has been paused or resumed.
class MarathonController {
  /**
   * pausable interval utility
   * @param {Object} handler object containing the site methods
   * @param {Number} int how often to repeat the callback
   * @return {Object} the controller object
   */
  constructor(handler, int) {
    this.callback = handler[site].bind(handler); // e.g. methods.amazon.bind(methods)
    handler.controller = this; // for reference in the methods object
    this.handler = handler; // e.g. methods
    this.int = int; // can be changed in real-time and the next resume() call will use the new value
    this.popup = document.createElement("div");
    this.text = document.createTextNode("Marathon: Paused");
    this.remainder = 0; // how much time is remaining on the interval when we pause it
    this.fading = null; // 3 second timeout (by default), after which the popup fades
    this.toggle = this.toggle.bind(this);
    this.onInterval = this.onInterval.bind(this);
    this.onPauseChange = this.onPauseChange.bind(this);
    this.registerCommand("Pause Marathon", true); // initial creation of the menu command
    GM_addValueChangeListener("Marathon:paused", this.onPauseChange);
    // if popup is enabled in options, style it
    if (options.pop) this.updatePopup();
    this.time = Date.now();
    switch (this.pauseState) {
      case MarathonController.STATES.RUNNING:
        this.timer = window.setTimeout(this.onInterval, this.int);
        break;
      case MarathonController.STATES.PAUSED:
        this.registerCommand("Resume Marathon"); // update the menu command label
        this.remainder = this.int - (Date.now() - this.time);
        break;
      default:
        GM_setValue("Marathon:paused", MarathonController.STATES.RUNNING);
    }
    this.startCapturing();
  }

  static STATES = {
    IDLE: 0,
    RUNNING: 1,
    PAUSED: 2,
  };

  /**
   * check that the modifier keys pressed match those defined in user settings
   * @param {KeyboardEvent} e
   * @param {String} i which key settings to evaluate, ctrlKey or ctrlKey2
   * @return {Boolean} true if the keys match, false otherwise
   */
  static modTest(e, i = "") {
    return ["ctrlKey", "altKey", "shiftKey", "metaKey"].every(
      key => e[key] === options[`${key}${i}`]
    );
  }

  /**
   * Controller's event handler. only handles keydown currently.
   * @param {UIEvent} e
   */
  handleEvent(e) {
    switch (e.type) {
      case "keydown":
        this.onKeyDown(e);
        break;
      default:
    }
  }

  /**
   * implementation for hotkeys
   * @param {KeyboardEvent} e
   */
  onKeyDown(e) {
    if (e.repeat) return;
    const { code, code2, hotkey, hotkey2 } = options;
    switch (e.code) {
      case code:
        if (hotkey && MarathonController.modTest(e)) this.toggle();
        else return;
        break;
      case code2:
        if (hotkey2 && MarathonController.modTest(e, 2)) {
          GM_config.isOpen ? GM_config.close() : GM_config.open();
        } else {
          return;
        }
        break;
      default:
        return;
    }
    e.preventDefault();
    e.stopPropagation();
    e.stopImmediatePropagation();
  }

  // invoke the site handler, wait for it to complete, then restart the timer.
  async onInterval() {
    if (!options[site]) return;
    try {
      if (this.pauseState === MarathonController.STATES.RUNNING) {
        await this.callback();
      }
    } finally {
      window.clearTimeout(this.timer);
      this.timer = window.setTimeout(this.onInterval, this.int);
    }
  }

  /**
   * pause the interval
   * @param {String} msg string or null — determines the popup text
   */
  pause(msg) {
    if (this.pauseState === MarathonController.STATES.RUNNING) {
      GM_setValue("Marathon:paused", MarathonController.STATES.PAUSED);
      this.openPopup(msg);
    }
  }

  /**
   * resume the interval
   * @param {String} msg string or null — determines the popup text
   */
  async resume(msg) {
    if (this.pauseState === MarathonController.STATES.PAUSED) {
      GM_setValue("Marathon:paused", MarathonController.STATES.RUNNING);
      this.openPopup(msg);
    }
  }

  /**
   * Control the interval in response to changes to the pause state
   * @param {string} name value name - "Marathon:paused"
   * @param {number|undefined} oldValue
   * @param {number|undefined} newValue
   */
  async onPauseChange(name, oldValue, newValue) {
    this._pauseState = newValue;
    if (oldValue === newValue || !options[site]) return;
    switch (newValue) {
      case MarathonController.STATES.RUNNING:
        if (oldValue === MarathonController.STATES.PAUSED) {
          this.registerCommand("Pause Marathon");
          await sleep(this.remainder);
          this.time = Date.now();
          this.onInterval();
        } else {
          window.clearTimeout(this.timer);
          this.timer = window.setTimeout(this.onInterval, this.int);
        }
        break;
      case MarathonController.STATES.PAUSED:
        this.registerCommand("Resume Marathon"); // update the menu command label
        this.remainder = this.int - (Date.now() - this.time);
        window.clearTimeout(this.timer);
        break;
      default:
    }
  }

  get pauseState() {
    if (this._pauseState === undefined) {
      this._pauseState = GM_getValue(
        "Marathon:paused",
        MarathonController.STATES.IDLE
      );
    }
    return this._pauseState;
  }

  // toggle the interval on/off.
  toggle() {
    if (!options[site]) return; // disable the pause/resume toggle when the site is disabled
    switch (this.pauseState) {
      case MarathonController.STATES.RUNNING:
        this.pause("Paused"); // passing "Paused" tells openPopup to use the "Marathon: Paused" message
        break;
      case MarathonController.STATES.PAUSED:
        this.resume("Resumed"); // passing "Resumed" => "Marathon: Resumed" message
        break;
      default:
    }
  }

  /**
   * opens the popup (and optionally schedules it to close)
   * @param {String} msg what the popup should say
   * @param {Boolean} [stayOpen] whether to keep the popup open until dismissed
   * @returns {closedPromise|hide|null} if !stayOpen, returns a promise that
   *          resolves when the popup fades out. if stayOpen, returns a function
   *          that can be called to hide the popup, which returns a closing
   *          promise. returns null if popups are disabled or msg is not passed.
   */
  openPopup(msg, stayOpen = false) {
    // if popup is disabled in options, or no message was sent, do nothing
    if (msg === undefined || !options.pop) return null;
    const { style } = this.popup;
    this.popup.textContent = `Marathon: ${msg}`;
    style.transitionDuration = "0.2s";
    style.opacity = "1";
    window.clearTimeout(this.fading); // clear any existing fade timeout since we're about to set a new one

    /** @typedef {Promise<undefined>} */
    const closedPromise = new Promise(resolve =>
      this.popup.addEventListener("transitionend", resolve, { once: true })
    );

    /** @typedef {function():closedPromise} */
    const hide = () => {
      style.transitionDuration = "1s";
      style.opacity = "0";
      return closedPromise;
    };
    if (stayOpen) return hide;

    // schedule the popup to fade into oblivion
    this.fading = window.setTimeout(hide, options.popDur);
    return closedPromise;
  }

  // apply the basic popup style and place it in the body
  setupPopup() {
    if (this.isPopupSetup) return;
    document.body.insertBefore(this.popup, document.body.firstElementChild);
    this.popup.appendChild(this.text);
    this.popup.style.cssText = `position:fixed;top:50%;right:3%;transform:translateY(-50%);z-index:2147483646;background-color:hsla(0,0%,6%,.8);background-image:url("${cdnAddress}/texture/noise-512x512.png");background-repeat:repeat;background-size:auto;background-attachment:local;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);color:hsla(0,0%,97%,.95);padding:17px 19px;line-height:1em;border-radius:5px;pointer-events:none;letter-spacing:1px;transition:opacity .2s ease-in-out;opacity:0;`;
    this.isPopupSetup = true;
  }

  // update the mutable popup attributes
  updatePopup() {
    this.setupPopup();
    const { style } = this.popup;
    style.fontFamily = options.font;
    style.fontSize = `${options.fontSizeInt}px`;
    style.fontWeight = options.fontWeight;
    style.fontStyle = options.italic ? "italic" : "";
  }

  /**
   * register a menu command with the script manager, or update an existing one
   * @param {String} cap intended caption to display on the menu command
   * @param {Boolean} firstRun we call this function at startup and every time
   *                           we pause/unpause. on the first call, we register
   *                           a command. on subsequent calls, we unregister the
   *                           previous command and register a new one.
   */
  registerCommand(cap, firstRun = false) {
    if (GM4) return; // don't register a menu command if the script manager is greasemonkey 4.0+ since the function doesn't exist
    if (!firstRun) GM_unregisterMenuCommand(this.caption); // this is how we switch the menu command from play to pause. we'd prefer to just have a single menu command and use a variable to determine its label and callback behavior, but the API doesn't support that afaik.
    // don't register the pause/unpause menu command if the site is currently disabled
    if (options[site]) {
      GM_registerMenuCommand(cap, this.toggle);
      this.caption = cap;
    }
  }

  // start listening to key events
  startCapturing() {
    if (!this.capturing && (options.hotkey || options.hotkey2)) {
      window.addEventListener("keydown", this, true);
      this.capturing = true;
    }
  }

  // stop listening to key events
  stopCapturing() {
    if (this.capturing) {
      window.removeEventListener("keydown", this, true);
      this.capturing = false;
    }
  }
}

// override API functions so we can animate the settings panel and auto-close it on save.
function extendGMC() {
  // support fancy animations
  GM_config.close = function close() {
    window.clearTimeout(this.fading);
    this.frame.setAttribute("closed", true);
    this.onClose(); //  Call the close() callback function
    this.isOpen = false;
    this.fading = window.setTimeout(() => {
      this.clearSheets("Marathon");
      // If frame is an iframe then remove it
      if (this.frame.contentDocument) {
        this.remove(this.frame);
        this.frame = null;
      } else {
        // else wipe its content
        this.frame.innerHTML = "";
        this.frame.style.display = "none";
      }
      // Null out all the fields so we don't leak memory
      const { fields } = this;
      for (const value of Object.values(fields)) {
        value.wrapper = null;
        value.node = null;
      }
    }, 500);
  };
  GM_config.open = function open() {
    window.clearTimeout(this.fading);
    this.frame.removeAttribute("closed");
    this.isOpen = true;
    Object.getPrototypeOf(this).open.call(this);
  };
  // override write function to semi-publicly memoize the error state.
  GM_config.write = function write(store, obj) {
    const values = {};
    const forgotten = {};
    if (!obj) {
      const { fields } = this;
      for (const [id, field] of Object.entries(fields)) {
        const value = field.toValue();
        if (field.save) {
          if (value != null) {
            values[id] = value;
            field.value = value;
          } else {
            this.error = true;
            values[id] = field.value;
          }
        } else {
          forgotten[id] = value;
        }
      }
    }
    try {
      this.setValue(store || this.id, this.stringify(obj || values));
    } catch (e) {
      this.log("GM_config failed to save settings!");
    }
    return forgotten;
  };
  /**
   * remove all the stylesheets generated by GM_config. without this, GM_config
   * would keep adding a new sheet every time you open it.
   * @param {String} sel CSS selector; check each stylesheet for this string
   */
  GM_config.clearSheets = sel => {
    for (const style of [...methods.byTag("style", document.head)]) {
      try {
        if (
          style instanceof HTMLStyleElement &&
          style.sheet.cssRules[0].selectorText.includes(sel)
        ) {
          style.remove();
        }
        // Amazon CSP blocks cross-origin use of method sheet.cssRules so the
        // loop will interrupt on some unrelated stylesheet.
      } catch (e) {}
    }
  };
  /**
   * remove all the link elements generated by webfontloader.js. the loader has
   * no logic to amend its existing stylesheets and will just keep adding more
   * every time you call it.
   * @param {String} uri url or part of url; check each link element's href
   *                     attribute for this string
   */
  GM_config.clearLinks = uri => {
    for (const link of [...methods.byTag("link", document.head)]) {
      if (link instanceof HTMLLinkElement && link.href?.includes(uri)) {
        link.remove();
      }
    }
  };
  // if webfont is enabled and any of the fields that affect webfont are
  // non-default, (font, italic, fontWeight) then update the webfont config
  GM_config.updateWFConfig = function updateWFConfig() {
    if (
      options.webfont &&
      Object.values(this.webFontFields).some(
        field => field.value !== field.default
      )
    ) {
      WebFontConfig.google.families[1] = `${options.font}:${
        options.italic ? "ital," : ""
      }wght@1,${options.fontWeight}`;
    }
  };
  // prettier-ignore
  GM_config.specialKeys = ["Unidentified","Alt","AltGraph","CapsLock","Control","Fn","FnLock","Hyper","Meta","NumLock","ScrollLock","Shift","Super","Symbol","SymbolLock","AllCandidates","Alphanumeric","CodeInput","Compose","Convert","Dead","FinalMode","GroupFirst","GroupLast","GroupNext","GroupPrevious","ModeChange","NextCandidate","NonConvert","PreviousCandidate","Process","SingleCandidate","HangulMode","HanjaMode","JunjaMode","Eisu","Hankaku","Hiragana","HiraganaKatakana","KanaMode","KanjiMode","Katakana","Romaji","Zenkaku","ZenkakuHankaku"];
}

// set up the GM_config settings GUI
async function initGMC() {
  const frame = document.createElement("div");
  const sitesFieldLabel = methods.create(document, "div", {
    class: "field_label",
    id: "Marathon_section_0_subheader_0",
  });
  sitesFieldLabel.innerHTML = "Run on:&nbsp;";
  const resetBtn = document.createElement("button");
  const supportBtn = document.createElement("button");
  frame.style.display = "none";
  document.body.appendChild(frame);
  frame.appendChild(sitesFieldLabel);
  frame.appendChild(resetBtn);
  frame.appendChild(supportBtn);
  resetBtn.addEventListener("click", () => GM_config.reset());
  supportBtn.addEventListener("click", () =>
    GM_openInTab(
      "https://greasyfork.org/scripts/420475-netflix-marathon-pausable"
    )
  );
  GM_config.error = false; // this flag tells us if the user input an invalid value for a setting so we won't close the GUI when they try to save.
  extendGMC();
  window.addEventListener(
    "keydown",
    e => {
      switch (e.code) {
        case "Escape":
          if (e.ctrlKey || e.shiftKey || e.altKey || e.metaKey) return;
          break;
        case options.code2:
          if (!options.hotkey2 || !MarathonController.modTest(e, 2)) return;
          break;
        default:
          return;
      }
      // hide the settings menu
      if (GM_config.isOpen && !GM_config.capturing) {
        GM_config.close();
        e.preventDefault();
        e.stopPropagation();
        e.stopImmediatePropagation();
      }
    },
    true
  );
  const makeCaptureCallbacks = (i = "") => ({
    click: () => {
      const {
        [`code${i}`]: code,
        [`capture${i}`]: capture,
        [`ctrlKey${i}`]: ctrlKey,
        [`altKey${i}`]: altKey,
        [`shiftKey${i}`]: shiftKey,
        [`metaKey${i}`]: metaKey,
      } = GM_config.fields;
      if (GM_config.capturing || capture.node.disabled) return;
      code.settings.initialValue = code.node.value;
      for (const key of [ctrlKey, altKey, shiftKey, metaKey]) {
        key.settings.initialChecked = key.node.checked;
      }
      GM_config.capturing = true;
      capture.node.disabled = true;
      GM_config.frame.setAttribute("capturing", "true");
      code.node.focus();
      code.node.addEventListener("keydown", capture.settings.keydown);
      window.addEventListener("keydown", capture.settings.keydown, true);
      GM_config.dismissPopup = marathon.openPopup(
        "Press desired hotkey then Enter (Esc to cancel)",
        true
      );
    },
    keydown: e => {
      const {
        [`code${i}`]: code,
        [`capture${i}`]: capture,
        [`ctrlKey${i}`]: ctrlKey,
        [`altKey${i}`]: altKey,
        [`shiftKey${i}`]: shiftKey,
        [`metaKey${i}`]: metaKey,
      } = GM_config.fields;
      if (GM_config.specialKeys.includes(e.key)) return;
      switch (e.key) {
        case "Enter":
          break;
        case "Escape":
          code.node.value = code.settings.initialValue;
          for (const key of [ctrlKey, altKey, shiftKey, metaKey]) {
            key.node.checked = key.settings.initialChecked;
          }
          break;
        default:
          e.preventDefault();
          e.stopPropagation();
          e.stopImmediatePropagation();
          if (e.repeat) return;
          code.node.value = e.code;
          ctrlKey.node.checked = e.ctrlKey;
          altKey.node.checked = e.altKey;
          shiftKey.node.checked = e.shiftKey;
          metaKey.node.checked = e.metaKey;
          return;
      }
      e.preventDefault();
      e.stopPropagation();
      e.stopImmediatePropagation();
      if (e.repeat) return;
      GM_config.capturing = false;
      capture.node.disabled = false;
      GM_config.frame.removeAttribute("capturing");
      code.node.focus();
      if (GM_config.dismissPopup) {
        GM_config.dismissPopup().then(() => delete GM_config.dismissPopup);
      }
      code.node.removeEventListener("keydown", capture.settings.keydown);
      window.removeEventListener("keydown", capture.settings.keydown, true);
    },
  });
  // initialize the GUI
  GM_config.init({
    id: "Marathon",
    title: "Netflix Marathon Settings",
    fields: {
      amazon: {
        type: "checkbox",
        label: "Amazon",
        title: "Uncheck if you don't use Amazon Prime Video",
        section: "Main Settings",
        default: true,
      },
      netflix: {
        type: "checkbox",
        label: "Netflix",
        title: "Uncheck if you don't use Netflix",
        default: true,
      },
      disneyplus: {
        type: "checkbox",
        label: "Disney+",
        title: "Uncheck if you don't use Disney+",
        default: true,
      },
      hotstar: {
        type: "checkbox",
        label: "Hotstar",
        title: "Uncheck if you don't use Hotstar",
        default: true,
      },
      hulu: {
        type: "checkbox",
        label: "Hulu",
        title: "Uncheck if you don't use Hulu",
        default: true,
      },
      hbomax: {
        type: "checkbox",
        label: "HBO Max",
        title: "Uncheck if you don't use HBO Max",
        default: true,
      },
      starz: {
        type: "checkbox",
        label: "Starz",
        title: "Uncheck if you don't use Starz",
        default: true,
      },
      rate: {
        label: "Interval Rate",
        title: "Time (in milliseconds) between checks for skip buttons",
        type: "int",
        size: 2,
        min: 50,
        max: 5000,
        default: 300,
      },
      promoted: {
        type: "checkbox",
        label: "Autoplay promoted videos",
        title:
          "After the final credits of a film or the last episode of a series, some sites recommend a trending or similar movie/series. Check this if you want to automatically start playing the site's recommendation at the end of the credits",
        default: false,
      },
      code: {
        label: "Hotkey code",
        title:
          "Which keyboard key to use (click Support for a list of key codes)",
        type: "text",
        section: "Pause/Resume Hotkey",
        size: 4,
        default: "F7",
      },
      capture: {
        label: "Record keys",
        title: "Press desired key combination and press Enter",
        type: "button",
        size: 1,
        ...makeCaptureCallbacks(),
      },
      hotkey: {
        type: "checkbox",
        label: "Enable",
        title: "Uncheck to disable the pause/resume shortcut",
        default: true,
      },
      ctrlKey: {
        type: "checkbox",
        label: "Ctrl key",
        title: "Set Ctrl as a modifier key for the shortcut",
        default: true,
      },
      altKey: {
        type: "checkbox",
        label: "Alt key",
        title: "Set Alt as a modifier key for the shortcut",
        default: false,
      },
      shiftKey: {
        type: "checkbox",
        label: "Shift key",
        title: "Set Shift as a modifier key for the shortcut",
        default: false,
      },
      metaKey: {
        type: "checkbox",
        label: "Meta key",
        title: "Set Meta as a modifier key for the shortcut",
        default: false,
      },
      code2: {
        label: "Hotkey code",
        title:
          "Which keyboard key to use (click Support for a list of key codes)",
        type: "text",
        section: "Settings Hotkey",
        size: 4,
        default: "KeyN",
      },
      capture2: {
        label: "Record keys",
        title: "Press desired key combination and press Enter",
        type: "button",
        size: 1,
        ...makeCaptureCallbacks(2),
      },
      hotkey2: {
        type: "checkbox",
        label: "Enable",
        title: "Uncheck to disable the keyboard shortcut",
        default: true,
      },
      ctrlKey2: {
        type: "checkbox",
        label: "Ctrl key",
        title: "Set Ctrl as a modifier key for the shortcut",
        default: false,
      },
      altKey2: {
        type: "checkbox",
        label: "Alt key",
        title: "Set Alt as a modifier key for the shortcut",
        default: true,
      },
      shiftKey2: {
        type: "checkbox",
        label: "Shift key",
        title: "Set Shift as a modifier key for the shortcut",
        default: false,
      },
      metaKey2: {
        type: "checkbox",
        label: "Meta key",
        title: "Set Meta as a modifier key for the shortcut",
        default: false,
      },
      pop: {
        type: "checkbox",
        label: "Enable popup",
        title: "Uncheck to disable the Paused/Resumed popups",
        section: "Popup Settings",
        default: true,
      },
      popDur: {
        label: "Popup duration",
        title:
          "How long (in milliseconds) the popup should stay open before fading away",
        type: "int",
        size: 4,
        min: 500,
        max: 50000,
        default: 3000,
      },
      webfont: {
        type: "checkbox",
        label: "Use Google Fonts",
        title:
          "If the font you want is not locally installed, this must be checked",
        default: true,
      },
      font: {
        label: "Popup font",
        title: "Which font to use for the Paused/Resumed popups",
        type: "text",
        size: 12,
        default: "Source Sans Pro",
      },
      fontSizeInt: {
        label: "Font size (px)",
        title: "How big the Paused/Resumed popups should be",
        type: "int",
        size: 1,
        min: 6,
        max: 560,
        default: 24,
      },
      fontWeight: {
        label: "Font weight",
        title:
          "Boldness of the popup text, measured in multiples of 100 from 100-900",
        type: "select",
        options: [
          "100",
          "200",
          "300",
          "400",
          "500",
          "600",
          "700",
          "800",
          "900",
        ],
        default: 300,
      },
      italic: {
        type: "checkbox",
        label: "Italic",
        title: "Check if you want the popup text to be italic",
        default: false,
      },
    },
    events: {
      init() {
        const f = this.fields;
        // all the fields that affect the pause/resume hotkey
        this.hotkeyFields = {
          code: f.code,
          hotkey: f.hotkey,
          ctrlKey: f.ctrlKey,
          altKey: f.altKey,
          shiftKey: f.shiftKey,
          metaKey: f.metaKey,
          code2: f.code2,
          hotkey2: f.hotkey2,
          ctrlKey2: f.ctrlKey2,
          altKey2: f.altKey2,
          shiftKey2: f.shiftKey2,
          metaKey2: f.metaKey2,
        };
        // all the fields that affect the popup appearance/existence
        this.popupFields = {
          pop: f.pop,
          popDur: f.popDur,
          webfont: f.webfont,
          font: f.font,
          fontSizeInt: f.fontSizeInt,
          fontWeight: f.fontWeight,
          italic: f.italic,
        };
        // all the fields that necessitate loading a new font stylesheet with webfont.
        this.webFontFields = {
          font: f.font,
          fontWeight: f.fontWeight,
          italic: f.italic,
        };
        this.save(); // we need this to save the default values on first load
        // for all addons except greasemonkey 4, we can add a menu command
        if (!GM4) {
          GM_registerMenuCommand("Open Settings", () => {
            if (!this.isOpen) this.open();
          });
        }
        // after getting settings from *monkey storage, memoize their values in
        // a simple js object so referencing them is cheaper.
        for (const [key, field] of Object.entries(this.fields)) {
          options[key] = field.value;
        }
      },
      save() {
        if (this.isOpen) {
          // don't do anything until the user fixes their invalid input
          if (this.error) return (this.error = false);
          const f = this.fields;
          let message = "";
          let hotkeyMsg = false;
          let doResetPopup = false;
          let doReloadWF = false;
          // handle changes to any hotkey-related settings
          for (const [key, field] of Object.entries(this.hotkeyFields)) {
            const tempKey = field.value;
            // if the memoized setting doesn't match the new value...
            if (options[key] !== tempKey) {
              options[key] = tempKey; // update it
              hotkeyMsg = true;
            }
          }
          if (hotkeyMsg) message += "Hotkeys"; // tell popup to open and announce the successful settings update
          // handle changes to popup settings
          for (const [key, field] of Object.entries(this.popupFields)) {
            const tempKey = field.value;
            if (options[key] !== tempKey) {
              options[key] = tempKey; // same pattern as for the hotkey fields, but with some more bespoke behavior below
              switch (key) {
                case "pop":
                  return (this.error = false); // do nothing special if the popup was enabled/disabled since the toggle already checks the option
                case "webfont":
                  if (!tempKey) WebFontConfig.google.families.splice(1, 1); // if webfont was disabled, then remove the user-defined font from the webfont config
                // fall through
                case "font":
                case "fontWeight":
                case "italic":
                  doReloadWF = true; // if font, fontWeight, or italic were changed, we need to use webfontloader again
                  break;
                default:
              }
              doResetPopup = true;
            }
          }
          // if anything was changed, tell popup to announce it
          if (doResetPopup) {
            if (doReloadWF) {
              this.clearLinks("fonts.googleapis.com"); // clear old webfont sheets
              this.updateWFConfig(); // update WebFontConfig
              WebFont.load(WebFontConfig); // load new font sheet
            }
            if (options.pop) {
              marathon.updatePopup(); // if the script started with popups disabled, then the styles won't exist yet, so load them.
              if (message) message += " & "; // if we already set message to Hotkey...
              message += "Popup"; // set it to Hotkey & Popup
            }
          }

          // handle changes to rate and site settings
          const newInt = f.rate.value;
          if (options.rate !== newInt) {
            options.rate = newInt;
            marathon.int = newInt; // update the rate
            if (message.includes("&")) {
              message = "Settings";
            } else {
              // if we already set it to Hotkey & Popup then reset it to something general so it's not so long
              if (message) message += " & "; // otherwise if it's set to either Hotkey *or* Popup, set it to e.g. Hotkey & Interval
              message += "Interval"; // otherwise just set it to Interval
            }
          }
          if (
            options.netflix !== f.netflix.value ||
            options.amazon !== f.amazon.value ||
            options.disneyplus !== f.disneyplus.value ||
            options.hotstar !== f.hotstar.value ||
            options.hulu !== f.hulu.value ||
            options.hbomax !== f.hbomax.value ||
            options.starz !== f.starz.value ||
            options.promoted !== f.promoted.value
          ) {
            options[site] = f[site].value;
            options.promoted = f.promoted.value;
            // if we already changed other types of settings then set the message to something general
            if (message) message = "Settings";
            else message = "Site Settings"; // otherwise make it specific to site settings.
          }
          // close the settings menu upon save (provided none of the inputs is invalid)
          this.close();
          if (message) marathon.openPopup(`Updated ${message}`); // finally open a popup with whatever message we gave.
        }
        return (this.error = false);
      },
      open() {
        marathon.stopCapturing();
        // put the checkboxes in a container so we can control their layout
        const grid = methods.create(document, "div", {
          class: "grid_container",
        });
        methods.byID("Marathon_section_header_0").after(grid);
        // add the subheader to the grid container
        grid.appendChild(sitesFieldLabel);
        // move each site checkbox to the grid container
        methods.sites.forEach(site => {
          const field = this.fields[site];
          if (field) {
            const { wrapper } = field;
            if (wrapper instanceof HTMLElement) grid.appendChild(wrapper);
          }
        });
        // stretch the header to fill the entire first row when the number of
        // site checkboxes + the subheader is not a multiple of 4. there are
        // currently 7 checkboxes, so we can get an even 4x2 grid by including
        // the "Run on:" subheader in the first cell (0, 0, top left) and the
        // site checkboxes in the subsequent cells. but when the number of site
        // checkboxes is 8 for example, it would become a 4x3 grid with the
        // third row having 3 unfilled cells. so at that point it would look
        // better to fill the entire first row with the subheader and let the 8
        // checkboxes fill the remaining rows.
        if (grid.children.length % 4) grid.classList.add("stretch_header");

        // add a support button, make the reset link an actual button. we could do this by editing the prototype but again, it'd be a lot of duplicate code.
        const resetLink = methods.byID("Marathon_resetLink"); // the ugly reset link that comes with GM_config
        methods.maybeSetAttributes(resetBtn, {
          title: resetLink.title,
          class: resetLink.parentElement.className,
        });
        resetBtn.textContent = resetLink.textContent;
        resetLink.parentElement.replaceWith(resetBtn); // replace the link with the button
        methods.byID("Marathon_saveBtn").after(resetBtn); // move it next to the save button
        // give the support button a localized tooltip and label since it's the one someone's most likely to need if they don't speak english.
        methods.maybeSetAttributes(supportBtn, {
          title: l10n.title,
          class: "saveclose_buttons",
          id: "Marathon_supportBtn",
        });
        supportBtn.textContent = l10n.text;
        const closeBtn = methods.byID("Marathon_closeBtn");
        closeBtn.after(supportBtn); // move it to the end.
        closeBtn.textContent = "Cancel"; // change the text from "Close" to "Cancel" so it's clear that this will discard changes to settings
        const firstField = methods.qry(
          '.config_var [id^="Marathon_field_"]',
          frame
        );
        if (firstField) firstField.focus();
      },
      close() {
        let blurTo;
        switch (site) {
          case "netflix": {
            const mountPoint = methods.byID("appMountPoint");
            blurTo = methods.qry("[tabindex]", mountPoint) || mountPoint;
            break;
          }
          case "amazon":
            blurTo = methods.qry(".webPlayerSDKUiContainer");
            break;
          case "disneyplus":
            blurTo = methods.qry(".btm-media-client-element");
            break;
          case "hulu":
            blurTo = methods.qry(".addFocus");
            break;
          case "hbomax":
          case "hotstar":
          case "starz":
            break;
          default:
            return;
        }
        blurTo = blurTo || document.body;
        blurTo.focus();
        marathon.startCapturing();
      },
    },
    frame, // using an in-content element has its problems e.g. we're affected by amazon's god-awful stylesheets, but using an iframe makes animation a lot more clunky and i want the panel to be kinda spry and light
    css: /* css */ `#Marathon {
  display: block !important;
  position: fixed !important;
  z-index: 2147483646 !important;
  inset: unset !important;
  top: 50% !important;
  left: 0 !important;
  background-color: hsla(0, 0%, 5.1%, 0.91);
  background-image: url("${cdnAddress}/texture/noise-512x512.png");
  background-repeat: repeat;
  background-size: auto;
  background-attachment: local;
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
  border: none !important;
  color: hsla(0, 0%, 97%, 0.95);
  max-width: -webkit-min-content !important;
  max-width: -moz-min-content !important;
  max-width: min-content !important;
  height: -webkit-min-content !important;
  height: -moz-min-content !important;
  height: min-content !important;
  border-radius: 5px;
  padding: 10px !important;
  transform: translate(50%, -60%);
  font-size: 14px;
  line-height: 1.2;
  transition: 0.2s ease-in-out opacity;
  color-scheme: dark;
}
#Marathon[closed] {
  opacity: 0 !important;
  transition: 0.5s ease-in-out opacity;
}
#Marathon * {
  font-family: Source Sans Pro;
  font-weight: 300;
  text-transform: revert;
}
#Marathon[capturing] * {
  pointer-events: none;
}
#Marathon_wrapper {
  display: flex;
  flex-direction: column;
  align-content: center;
}
#Marathon_header {
  font-size: 2em !important;
  white-space: nowrap;
  padding-inline: 6px;
}
#Marathon .section_header_holder {
  display: flex;
  flex-flow: row wrap;
  gap: 6px 8px;
  padding: 6px 4px 0;
  margin-top: 8px;
  border-top: 1px solid hsla(0, 0%, 100%, 0.1);
}
#Marathon .section_header {
  font-size: 1.25em !important;
  background: none !important;
  border: none !important;
  text-align: left !important;
  flex-basis: 100%;
}
#Marathon .grid_container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 6px 8px;
  flex-grow: 1;
  padding-bottom: 3px;
}
#Marathon .grid_container.stretch_header {
  grid-template-areas: "head head head head";
}
#Marathon .grid_container.stretch_header > .field_label {
  grid-area: head;
  margin-bottom: -2px !important;
}
#Marathon .config_var {
  margin: 0 !important;
  display: flex;
  flex-direction: row;
  align-items: center;
  line-height: normal;
  flex-grow: 1;
}
#Marathon .config_var .field_label:first-child:not(:only-child) {
  padding-inline-end: 6px !important;
}
#Marathon .config_var .field_label:last-child:not(:only-child) {
  padding-inline-start: 6px !important;
}
#Marathon :is(button, input, optgroup, select, textarea) {
  margin: 0;
  font: inherit;
  appearance: revert;
  box-shadow: none;
  background: revert;
  color: revert;
  border: revert;
  border-radius: revert;
  outline: revert;
  transition: revert;
  height: revert;
  width: revert;
  padding: revert;
}
#Marathon button,
#Marathon input[type="button"] {
  text-align: center;
  cursor: default !important;
}
#Marathon input[type="text"] {
  padding: 0 3px;
  flex-grow: 1;
  height: unset;
  box-sizing: initial !important;
  margin: 0 !important;
  font-size: 14px !important;
}
#Marathon input[type="text"][size="1"] {
  width: 1.5em;
}
#Marathon input[type="checkbox"] {
  min-width: 14px;
  min-height: 14px;
  margin-inline: 0;
  border-radius: 2.5px;
  position: static;
  box-sizing: border-box;
}
#Marathon_section_0 {
  gap: 6px 12px;
}
#Marathon_section_0_subheader_0 {
  flex-grow: 1;
}
#Marathon_buttons_holder {
  display: flex;
  flex-flow: row;
  gap: 6px;
  margin-top: 6px;
  align-items: center;
  border-top: 1px solid hsla(0, 0%, 100%, 0.1);
  color: inherit !important;
}
#Marathon .saveclose_buttons,
#Marathon .reset_holder {
  display: flex;
  margin: 6px 0 0 0;
  padding: 2px 12px;
  min-height: 24px;
  color-scheme: dark;
  padding-inline: 4px;
  font-size: 15px;
  padding-block: 2px;
  flex-grow: 1;
  white-space: nowrap;
}
#Marathon #Marathon_saveBtn,
#Marathon .reset_holder {
  padding-inline-start: 0 !important;
}
#Marathon_saveBtn::before {
  content: "";
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16'><path fill='hsla(0,0%,97%,.95)' d='M6 14a1 1 0 01-.707-.293l-3-3a1 1 0 011.414-1.414l2.157 2.157 6.316-9.023a1 1 0 011.639 1.146l-7 10a1 1 0 01-.732.427A.863.863 0 016 14z'/></svg>");
  background-position:  3px 48%;
  background-size: 12.5px;
  background-repeat: no-repeat;
}
#Marathon .reset_holder::before {
  content: "";
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='hsla(0,0%,97%,.95)' height='16' width='16'><path d='M1 1a1 1 0 011 1v2.4A7 7 0 118 15a7 7 0 01-4.9-2 1 1 0 011.4-1.5 5 5 0 10-1-5.5H6a1 1 0 010 2H1a1 1 0 01-1-1V2a1 1 0 011-1z'/></svg>");
  background-position:  4px 50%;
  background-size: 11px;
  background-repeat: no-repeat;
}
#Marathon .reset {
  color: inherit !important;
  font-size: inherit !important;
}
#Marathon .field_label {
  font-size: 12px;
  font-weight: normal !important;
  margin: 0 !important;
  white-space: nowrap;
  padding: unset !important;
}
#Marathon_pop_var,
#Marathon_font_var {
  flex-basis: 100%;
}`,
  });
}

// load webfontloader and create the base config (to be changed by GM_config)
function attachWebFont() {
  const loader = document.createElement("script");
  WebFontConfig = {
    classes: false, // don't bother changing the DOM at all, we aren't listening for it
    events: false, // no need for events, not worth the execution
    google: {
      families: ["Source Sans Pro:wght@1,300"], // default font and settings font
      display: "swap", // not really necessary since the popup doesn't appear until you press a button. but it doesn't hurt
    },
  };
  GM_config.updateWFConfig(); // parse user-defined font settings, if any
  loader.src =
    "https://cdn.jsdelivr.net/npm/webfontloader@latest/webfontloader.js";
  loader.async = true; // don't block the rest of the page for this, it won't appear until user interaction anyway
  document.head.prepend(loader);
}

async function start() {
  // if using greasemonkey 4, remap the GM_* functions to GM.*
  if (GM4) {
    GM_getValue = GM.getValue;
    GM_setValue = GM.setValue;
    GM_listValues = GM.listValues;
    GM_deleteValue = GM.deleteValue;
    GM_openInTab = GM.openInTab;
  }
  await initGMC(); // wait for GM_config
  marathon = new MarathonController(methods, options.rate); // create the interval controller, event listeners, etc.
  attachWebFont(); // load the font sheet
}

start();