File for robustly loading language reactor with german subtitles

custom_setup_language_reactor_for_german.js

let isRepairingTracks = false;
let wasPlaying = false;
let videoLoaded = false;
let isWaiting = false;

function setTracks() {
  if (!document.querySelector('video')) {
    return;
  }

  videoLoaded = true;

  let isGoodTrack = (
    (window.lln.setMan.sourceLanguageCode === "de") &&
    (window.lln.setMan.translationLanguageCode === "en")
  );

  if (!isGoodTrack) {
    wasPlaying = !document.querySelector('video').paused;

    window.lln.vidMan.setAudioTrack("A:2:1;2;de;0;0;");
    window.lln.vidMan.setSubtitleTrack("ASR_A:2:1;2;de;0;0;");

    if (wasPlaying) {
      document.querySelector('video').pause();
    }

    isRepairingTracks = true;
    return;
  }

  if (!isRepairingTracks) {
    return;
  }

  let thisMessage = $("#lln-subs-content").text().trim();
  let thatMessage = "- Loading subtitles, please wait... -";

  if (thisMessage === thatMessage) {
    if (!document.querySelector('video').paused) {
      document.querySelector('video').pause();
    }
    return;
  }
  
  console.log(thisMessage);
  
  if (wasPlaying) {
    console.log("custom video play.");
    document.querySelector('video').play();
    wasPlaying = false;
    isRepairingTracks = false;
  }
}

function waitForLLN(tries = 0) {
  console.log([111, tries, isWaiting])
  if (isWaiting) {
    if (tries == 0) {
      return;
    }
  } else {
    isWaiting = true;
  }

  let isLoaded = (
    document.querySelector('video') &&
    (window.lln && window.lln.vidMan)
  )

  console.log("doh.")

  if (isLoaded) {
    console.log("Loaded custom language connector successfully.")
    setInterval(setTracks, 1000);
    return
  }

  if (tries > 30) {
    isWaiting = false;
    console.log("Custom language connector failed.");
    return
  }

  setTimeout(function() {
    waitForLLN(tries + 1);
  }, 500);

}

waitForLLN();

document.addEventListener('pointerdown', (event) => {
  if (!videoLoaded) {
    console.log(404, isWaiting);
    waitForLLN();
  }
});