atcoder-virtual-remaining-time-display

バーチャルコンテストの残り時間を表示します。

As of 10. 12. 2022. See the latest version.

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         atcoder-virtual-remaining-time-display
// @namespace    https://github.com/ilplrr
// @version      1.0
// @description  バーチャルコンテストの残り時間を表示します。
// @author       ilplrr
// @license      MIT
// @match        https://atcoder.jp/contests/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    if (getServerTime() < endTime) return;

    const createTimer = (data) => {
        if (!data.isVirtual) return;
        if (!(data.virtualStartTime && data.virtualEndTime)) return;

        const timer = document.createElement('div');
        timer.id = 'virtual-timer';
        timer.style = `
            position: fixed;
            right: 170px;
            bottom: 0px;
            width: 160px;
            height: 80px;
            margin: 0;
            padding: 20px 0;
            background-image: url("//img.atcoder.jp/assets/contest/digitalclock.png");
            text-align: center;
            line-height: 20px;
            font-size: 15px;
            cursor: pointer;
            z-index: 50;
        `;
        document.body.appendChild(timer);

        let intervalId = null;
        const update = () => {
            const serverTime = getServerTime();
            let s = '';
            if (serverTime.isAfter(data.virtualEndTime)) {
                s += 'バーチャル参加終了<br>'
                s += `<span style="color: #c00;">残り:${durationFormat(0)}</span>`;
                if (intervalId) {
                    clearInterval(intervalId);
                    intervalId = null;
                }
            } else if (serverTime.isAfter(data.virtualStartTime)) {
                s += 'バーチャル参加中<br>'
                s += `残り:${durationFormat(data.virtualEndTime.diff(serverTime))}`;
            } else {
                s += 'バーチャル参加まで<br>'
                s += `残り:${durationFormat(data.virtualStartTime.diff(serverTime))}`;
            }
            timer.innerHTML = s;
        };
        intervalId = setInterval(update, 100);
    };

    const virtualStandingURL = `${location.origin}/contests/${contestScreenName}/standings/virtual`;
    fetch(virtualStandingURL).then((response) => {
        return response.text();
    }).then((text) => {
        const doc = new DOMParser().parseFromString(text, 'text/html');
        const data = {};
        doc.querySelectorAll('script').forEach((e) => {
            const s = e.innerHTML;
            const m = s.match(/(isVirtual|virtual(Start|End)Time)\s*=\s*[^\n]*/g);
            if (m) {
                m.forEach((s) => eval('data.' + s));
            }
        });
        createTimer(data);
    });
})();