Show a blank screen before fading to google to make gplex feel more smooth.
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// ==UserScript==
// @name GPlex Load Patch (Blank Screen)
// @namespace http://tampermonkey.net/
// @version 1.0.0
// @description Show a blank screen before fading to google to make gplex feel more smooth.
// @author sundowndev
// @match *://www.google.com/*
// @match *://www.google.com/search*
// @match *://www.google.com/webhp*
// @match *://www.google.com/gplex
// @run-at document-start
// @grant none
// @license GNU GPLv3
// ==/UserScript==
(function () {
'use strict';
// === CONFIG ===
const MIN_BLANK_MS = 400; // how long to keep the screen blank
const FADE_MS = 130; // fade-out duration (ms)
const BG = '#ffffff';// background color for the blank screen
// ==============
try {
// Ensure documentElement exists (should at document-start)
const docEl = document.documentElement;
if (!docEl) return;
// Creates overlay element with inline styles (so it applies immediately)
const overlay = document.createElement('div');
overlay.id = 'gplex-blank-overlay';
overlay.setAttribute('data-gplex-blank', '1');
overlay.style.cssText =
'position:fixed;inset:0;width:100vw;height:100vh;' +
`background:${BG};z-index:2147483647;opacity:1;transition:none;pointer-events:auto;display:block;`;
// Prevent scrolling / jumps while overlay is present by hiding overflow on <html>.
// Save previous value to restore later.
const prevOverflow = docEl.style.overflow || '';
docEl.style.overflow = 'hidden';
// Append overlay to <html> (works even if <body> doesn't exist yet)
docEl.appendChild(overlay);
// Remove overlay after MIN_BLANK_MS, with a short fade.
setTimeout(() => {
try {
overlay.style.transition = `opacity ${FADE_MS}ms ease`;
overlay.style.opacity = '0';
// After fade, remove element and restore overflow
setTimeout(() => {
try { overlay.remove(); } catch (e) {}
try { docEl.style.overflow = prevOverflow; } catch (e) {}
}, FADE_MS + 10);
} catch (err) {
// If fade fails for any reason, force cleanup
try { overlay.remove(); } catch (e) {}
try { docEl.style.overflow = prevOverflow; } catch (e) {}
}
}, MIN_BLANK_MS);
// Safety: if the page is unloaded/navigated before timeout, ensure overlay is removed
const cleanup = () => {
try { overlay.remove(); } catch (e) {}
try { docEl.style.overflow = prevOverflow; } catch (e) {}
['pagehide', 'beforeunload', 'visibilitychange'].forEach(ev => window.removeEventListener(ev, cleanup));
};
['pagehide', 'beforeunload', 'visibilitychange'].forEach(ev => window.addEventListener(ev, cleanup, { passive: true }));
} catch (err) {
console.error('Blank-screen patch error:', err);
}
})();