Imaglr Scale Content to Screen

Scale videos and images on Imaglr to fit on one screen

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         Imaglr Scale Content to Screen
// @namespace    https://imaglr.com/
// @version      1.3
// @license      Public Domain
// @description  Scale videos and images on Imaglr to fit on one screen
// @author       Literally ChatGPT
// @match        https://imaglr.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=imaglr.com
// @grant        none
// ==/UserScript==

const MAX_VH = 0.9;

function clampMedia(el) {
  // Reset width so we can measure correctly
  el.style.width = '100%';
  el.style.maxWidth = '100%';

  const rect = el.getBoundingClientRect();
  const maxHeightPx = window.innerHeight * MAX_VH;

  if (rect.height > maxHeightPx) {
    const scale = maxHeightPx / rect.height;
    const newWidth = rect.width * scale;
    el.style.width = `${newWidth}px`;
  }

  // Horizontal centering
  el.style.display = 'block';
  el.style.marginLeft = 'auto';
  el.style.marginRight = 'auto';
}

function centerContainers() {
  document.querySelectorAll('.vertical-media-item').forEach(el => {
    el.style.display = 'flex';
    el.style.justifyContent = 'center';
    el.style.alignItems = 'center';
  });
}

function processAll() {
  const media = document.querySelectorAll('img.w-full, video.w-full, .media-item');
  media.forEach(clampMedia);
  centerContainers();
}

// Initial pass
processAll();

// Re-run on window resize
window.addEventListener('resize', processAll);

// Robust MutationObserver (watch everything in body)
const observer = new MutationObserver(processAll);
observer.observe(document.body, { childList: true, subtree: true });

// Extra fallback: periodically process new posts in case the observer misses something
setInterval(processAll, 1000); // every 1 second