Page Color Invertor, good for reading light background pages at night.
// ==UserScript==
// @name aahMyEyes
// @namespace https://www.ohshiftlabs.com
// @version 0.1
// @description Page Color Invertor, good for reading light background pages at night.
// @author Koray K.
// @match https://*/*
// @grant none
// ==/UserScript==
(function() {
function setCookie(name,value,days) {
var expires = "";
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days*24*60*60*1000));
expires = "; expires=" + date.toUTCString();
}
document.cookie = name + "=" + (value || "") + expires + "; path=/";
}
function getCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
var aahMyEyes = getCookie("aahMyEyes");
function saveMyEyes(){
var style = document.createElement('style');
style.id="aahMyEyes";
style.innerHTML =
'html {' +
' filter: invert(1);' +
'}' +
'video, img {' +
' filter: invert(1);' +
'}';
var ref = document.querySelector('script');
ref.parentNode.insertBefore(style, ref);
setCookie("aahMyEyes",true);
}
function eyesToggle(){
if(!getCookie("aahMyEyes")){
saveMyEyes();
}else{
setCookie("aahMyEyes",false)
document.getElementById('aahMyEyes').remove()
}
}
if(aahMyEyes){
saveMyEyes();
}
var toggle = document.createElement('a')
toggle.style = 'width:25px;height:25px;background:transparent;position:fixed;bottom:15px;right:15px;z-index:99;border-radius: 50%; box-shadow:rgb(0 4 216) 6px 4px 0px 0px';
toggle.addEventListener('click',eyesToggle);
toggle.title="Aah My Eyes!"
document.body.append(toggle);
})();