Discord - Custom Background Image

You can set custom background image of Discord;

2021-11-23 يوللانغان نەشرى. ئەڭ يېڭى نەشرىنى كۆرۈش.

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 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         Discord - Custom Background Image
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  You can set custom background image of Discord;
// @author       You
// @match        https://discord.com/channels/*
// @match        https://discord.com/channels/*/*
// @icon         https://www.google.com/s2/favicons?domain=discord.com
// @grant        GM.xmlHttpRequest
// @connect      i.imgur.com
// @license      MIT
// ==/UserScript==

(async window => {
    'use strict';
    const intervalTime = 30 * 1000;
    const urls = [
        'https://i.imgur.com/cHKbKQT.jpeg',
        'https://i.imgur.com/sqmqy20.png',
        'https://i.imgur.com/cCL6TPk.jpeg',
        'https://i.imgur.com/Z6GYpxh.jpeg',
        'https://i.imgur.com/Z6GYpxh.jpeg',
        'https://i.imgur.com/FNJdY5h.jpeg',
        'https://i.imgur.com/uKVG1XM.jpeg'
    ];
    const memo = new Map;
    const get = async url => {
        if(memo.has(url)) return memo.get(url);
        const res = await GM.xmlHttpRequest({
            method: 'GET',
            url: url,
            withCredentials: true,
            responseType: 'arraybuffer',
        });
        const _url = URL.createObjectURL(new Blob([res.response], {type: 'application/octet-binary'}));
        memo.set(url, _url);
        return _url;
    };
    let g_url = await get(urls[0]);
    const wait = resolve => {
        if(document.querySelector('[class^="chatContent"]')) return resolve();
        setTimeout(() => wait(resolve), 500);
    };
    await new Promise(resolve => wait(resolve));
    const set = () => {
        for(const v of document.querySelectorAll('*')) v.style.backgroundColor = 'rgba(0, 0, 0, 0)';
        document.body.children[0].children[3].style.backgroundColor = 'rgba(0, 0, 0, 0.6)';
        Object.assign(document.body.children[0].style, {
            'background-image': 'url("' + g_url + '")',
            'background-attachment': 'fixed',
            'background-position': 'center center',
            'background-size': 'cover',
            'background-repeat': 'no-repeat',
            'transition-duration': '1.5s'
        });
    };
    set();
    let _url = location.href,
        _time = 0,
        index = 0;
    const update = async () => {
        const time = performance.now();
        if(time - _time > intervalTime) {
            g_url = await get(urls[(++index) % urls.length]);
            _time = performance.now();
            set();
        }
        else {
            const url = location.href;
            if(url !== _url) {
                _url = url;
                set();
            }
        }
        requestAnimationFrame(update);
    };
    update();
})(window.unsafeWindow || window);