No Surf Constant Splash Reminder + Timer

Every time you navigate to websites such as Reddit, Youtube, TikTok, Facebook you will get a full-face splash saying "Are you sure you want to waste your time here?".

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.

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

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         No Surf Constant Splash Reminder + Timer
// @author       bajspuss@reddit + sudface
// @version      0.2
// @description  Every time you navigate to websites such as Reddit, Youtube, TikTok, Facebook you will get a full-face splash saying "Are you sure you want to waste your time here?".
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @include      https://www.reddit.com/*
// @include      https://www.youtube.com/*
// @include      https://www.tiktok.com/*
// @include      https://www.facebook.com/*
// @include      https://twitter.com/*
// @noframes
// @namespace https://greasyfork.org/users/809510
// ==/UserScript==

(function ()
{

// !!!!!!!!!!!! N O T I C E   M E !!!!!!!!!!!!!!

// !!!!!!!!!!!! N O T I C E   M E !!!!!!!!!!!!!!

// !!!!!!!!!!!! N O T I C E   M E !!!!!!!!!!!!!!

// This is a tampermonkey script.
  
// Change the below values to your liking.
// count is the countdown before the proceed button enables, in seconds.
    // Default Value = 5
// redirectsite is the site that the do something better button takes you to.
    // Note: The full link, including the http:// at the start must be present. Remember to enclose the whole link in quotation marks.
    // Default Value = "https://phys.libretexts.org/Bookshelves/Quantum_Mechanics/Book%3A_Introductory_Quantum_Mechanics_(Fitzpatrick)/"

// !!!!!!!!!!!! N O T I C E   M E !!!!!!!!!!!!!!

// !!!!!!!!!!!! N O T I C E   M E !!!!!!!!!!!!!!

// !!!!!!!!!!!! N O T I C E   M E !!!!!!!!!!!!!!

let $ = window.$;
  
var count = 5;
var redirectsite = "https://phys.libretexts.org/Bookshelves/Quantum_Mechanics/Book%3A_Introductory_Quantum_Mechanics_(Fitzpatrick)/"

$("head").append(`<style>
#fullscreen-overlay {
    display: visible;
    position: fixed;
    height: 100vh;
    width: 100vw;
    top: 0px;
    left: 0px;
    background: rgba(0, 0, 0, 1);
    z-index: 999999999;
}
.centertext
{
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-family: sans-serif;
  font-size: 50px;
  color: #fff;
}
button.btn {
    height: 42px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    border: none;
    border-radius: 8px;
}
button.no {
    width: 50%;
    margin-left: 5%;
    background-color: #4CAF50; /* Green */
    color: white;
}
button.no:hover {
    color: #4CAF50;
    background-color: white;
}
button.yes {
    width: 10%;
    margin-right: 5%;
    background-color: rgba(0, 0, 0, 1);
    color: #f44336;
}
button.yes:hover {
    color: rgba(0, 0, 0, 1);
    background-color: #f44336;
}
button.yes:disabled:hover {
    background-color: rgba(0, 0, 0, 1);
    color: #f44336;
}
</style>`);

let [w, h] = [, window.innerHeight];
$("body").append(`<div id="fullscreen-overlay">
<div class="centertext">
Are you sure you want to waste your time here?
<br>
<button id="keeponsite" class="yes btn" disabled>yes (<span id="countdowntimer"></span>)</button>
<button id="quit" class="no btn">No I'll do something better.</button>
</div>
</div>`);

var spn = document.getElementById("countdowntimer");
var btn = document.getElementById("keeponsite");

var timer = null;  // For referencing the timer

(function countDown(){
  // Display counter and start counting down
  spn.textContent = count;

  // Run the function again every second if the count is not zero
  if(count !== 0){
    timer = setTimeout(countDown, 1000);
    count--; // decrease the timer
  } else {
    // Enable the button
    btn.removeAttribute("disabled");
  }
}());

$("#keeponsite").click((e) => {
    $("#fullscreen-overlay").css("display", "none");
    console.log('ignoring');
});

$("#quit").click((e) => {
    window.location.href = redirectsite;
    console.log('bye');
});

window.addEventListener('popstate', () => {
    $("#fullscreen-overlay").css("display", "visible");
});

window.addEventListener('hashchange', () => {
    $("#fullscreen-overlay").css("display", "visible");
});
})()