Dimmer (Dark Reader)

Toggle dark mode using an icon placed at the bottom left of your screen. Hotkey: Command + Shift + B.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name        Dimmer (Dark Reader)
// @description Toggle dark mode using an icon placed at the bottom left of your screen. Hotkey: Command + Shift + B.
// @author      Schimon Jehudah, Adv.
// @namespace   i2p.schimon.dimmer
// @homepageURL https://greasyfork.org/scripts/466058-dark-reader
// @supportURL  https://greasyfork.org/scripts/466058-dark-reader/feedback
// @copyright   2023 - 2026, Schimon Jehudah (http://schimon.i2p)
// @license     MIT; https://opensource.org/licenses/MIT
// @icon        data:image/svg+xml;base64,CiAgICA8c3ZnIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgdmlld0JveD0iMCAwIDEwMCAxMDAiPgogICAgICAgIDx0ZXh0IHk9Ii45ZW0iIGZvbnQtc2l6ZT0iOTAiPuKYrzwvdGV4dD4KICAgIDwvc3ZnPgogIA==
// @exclude     devtools://*
// @match       file:///*
// @match       *://*/*
// @version     26.01.13
// @require     https://unpkg.com/[email protected]/darkreader.js
// @grant       GM.getValue
// @grant       GM.registerMenuCommand
// @grant       GM.setValue
// @noframes
// ==/UserScript==

/*

TODO

Toggle color of button.
See https://noscript.net/ or
use a plain character "●".

NOTE

https://greasyfork.org/en/scripts/390218-block
https://ao.vern.cc/questions/3250790/making-a-div-that-covers-the-entire-page
https://javascripttutorial.net/javascript-dom/javascript-page-load-events/

*/

DarkReader.setFetchMethod(window.fetch); // https://eligrey.com/

(async function createButton() {
  if (await GM.getValue("dimmer")) {
    enable();
  }
  await GM.registerMenuCommand("Toggle dark mode", () => toggle(), "T");
})();

// set hotkey
document.onkeyup = function(e) {
  //if (e.ctrlKey && e.shiftKey && e.which == 190) { // Ctrl + Shift + <
  //if (e.metaKey && e.shiftKey && e.which == 68) { // Command + Shift + D
  if (e.metaKey && e.shiftKey && e.which == 66) { // Command + Shift + B
    toggle();
  }
};

// TODO Toggle menu item 🔆 🔅 / ☀️ 🌕 / 🌤 🌥 / 🌕 🌙 / 💡 🕯 / ⚪ ⚫ / 🏳 🏴
async function toggle() {
  if (await GM.getValue("dimmer")) {
    await GM.setValue("dimmer", false);
    disable();
    notification("Dark color scheme is disabled.", "⚪");
  } else {
    await GM.setValue("dimmer", true);
    enable();
    notification("Dark color scheme is enabled.", "⚫");
  }
}

function disable() {
  DarkReader.disable({
    brightness: 100,
    contrast: 90,
    sepia: 10
  });
}

function enable() {
  DarkReader.enable({
    brightness: 100,
    contrast: 90,
    sepia: 10
  });
}

// Set mode temporarily per session or until storage is cleared

function getPreference(key) {
  return window.localStorage.getItem(key);
}

function setPreference(key, value) {
  return window.localStorage.setItem(key, value);
}

function characterAsSvgDataUri(character) {
  const svgString = `
    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">
        <text y=".9em" font-size="90">${character}</text>
    </svg>
  `;
  const base64Svg = btoa(unescape(encodeURIComponent(svgString)));
  return `data:image/svg+xml;base64,${base64Svg}`;
}

function notification(message, graphics) {
  console.info("☯ Dimmer: " + message);
  if (typeof GM !== "undefined" && typeof GM.notification === "function") {
    GM.notification(message, "☯ Dimmer", characterAsSvgDataUri(graphics));
  } else {
    alert(message);
  }
}