Absolute Visibility

Makes tabs and windows think they're visible even when they're not.

Цей скрипт не слід встановлювати безпосередньо. Це - бібліотека для інших скриптів для включення в мета директиву // @require https://update.greasyfork.org/scripts/456228/1309113/Absolute%20Visibility.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Absolute Visibility
// @namespace    https://naeembolchhi.github.io/
// @version      0.2
// @description  Makes tabs and windows think they're visible even when they're not.
// @author       NaeemBolchhi
// @license      Mozilla Public License 2.0
// @grant        none
// ==/UserScript==

const knife = `const script = document.currentScript;
const isFirefox = /Firefox/.test(navigator.userAgent) || typeof InstallTrigger !== 'undefined';

const block = e => {
	e.preventDefault();
	e.stopPropagation();
	e.stopImmediatePropagation();
};

const once = {
	focus: true,
	visibilitychange: true,
	webkitvisibilitychange: true
};

/* visibility */
Object.defineProperty(document, 'visibilityState', {
	get() {
		return 'visible';
	}
});
if (isFirefox === false) {
	Object.defineProperty(document, 'webkitVisibilityState', {
		get() {
			return 'visible';
		}
	});
}
document.addEventListener('visibilitychange', e => {
	script.dispatchEvent(new Event('state'));
	if (script.dataset.visibility !== 'false') {
		if (once.visibilitychange) {
			once.visibilitychange = false;
			return;
		}
		return block(e);
	}
}, true);
document.addEventListener('webkitvisibilitychange', e => {
	if (script.dataset.visibility !== 'false') {
		if (once.webkitvisibilitychange) {
			once.webkitvisibilitychange = false;
			return;
		}
		return block(e);
	}
}, true);


window.addEventListener('pagehide', e => script.dataset.visibility !== 'false' && block(e), true);

/* hidden */
Object.defineProperty(document, 'hidden', {
	get() {
		return false;
	}
});
Object.defineProperty(document, isFirefox ? 'mozHidden' : 'webkitHidden', {
	get() {
		return false;
	}
});

/* focus */
Document.prototype.hasFocus = new Proxy(Document.prototype.hasFocus, {
	apply(target, self, args) {
		if (script.dataset.focus !== 'false') {
			return true;
		}
		return Reflect.apply(target, self, args);
	}
});

const onfocus = e => {
	if (script.dataset.focus !== 'false') {
		if (e.target === document || e.target === window) {
			if (once.focus && document.readyState === 'complete' && e.target === window) {
				once.focus = false;
				return;
			}
			return block(e);
		}
	}
};
// document.addEventListener('focus', onfocus, true);
window.addEventListener('focus', onfocus, true);


/* blur */
const onblur = e => {
	if (script.dataset.blur !== 'false') {
		if (e.target === document || e.target === window) {
			return block(e);
		}
	}
};
document.addEventListener('blur', onblur, true);
window.addEventListener('blur', onblur, true);

/* mouse */
window.addEventListener('mouseleave', e => {
	if (script.dataset.mouseleave !== 'false') {
		if (e.target === document || e.target === window) {
			return block(e);
		}
	}
}, true);

/* requestAnimationFrame */
let lastTime = 0;
window.requestAnimationFrame = new Proxy(window.requestAnimationFrame, {
	apply(target, self, args) {
		if (script.dataset.hidden === 'true') {
			const currTime = Date.now();
			const timeToCall = Math.max(0, 16 - (currTime - lastTime));
			const id = window.setTimeout(function() {
				args[0](performance.now());
			}, timeToCall);
			lastTime = currTime + timeToCall;
			return id;
		} else {
			return Reflect.apply(target, self, args);
		}
	}
});
window.cancelAnimationFrame = new Proxy(window.cancelAnimationFrame, {
	apply(target, self, args) {
		if (script.dataset.hidden === 'true') {
			clearTimeout(args[0]);
		}
		return Reflect.apply(target, self, args);
	}
});`;

(function eyeStabber() {
    let html, script;
    html = document.documentElement;
    if (!html) {window.location.reload();}
    script = document.createElement("script");
    script.setAttribute("type", "text/javascript");
    script.innerHTML = knife;
    html.appendChild(script);
    script.remove();
})();