Makes tabs and windows think they're visible even when they're not.
Fra og med
Dette script bør ikke installeres direkte. Det er et bibliotek, som andre scripts kan inkludere med metadirektivet // @require https://update.greasyfork.org/scripts/456228/1125940/Absolute%20Visibility.js
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 body, script;
body = document.getElementsByTagName("body")[0];
if (!body) {window.location.reload();}
script = document.createElement("script");
script.setAttribute("type", "text/javascript");
script.innerHTML = knife;
body.appendChild(script);
script.remove();
})();