Append a Reservation Button

on the community page.

Verze ze dne 14. 02. 2021. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name           Append a Reservation Button
// @name:ja        タイムシフト予約ボタン追加
// @namespace      https://greasyfork.org/users/19523
// @description    on the community page.
// @description:ja コミュニティページのニコ生配信一覧にタイムシフト予約ボタンを付加
// @include        https://com.nicovideo.jp/community/*
// @include        https://com.nicovideo.jp/live/*
// @version        0.1
// @grant          none
// @run-at         document-idle
// ==/UserScript==

if (location.pathname.match('/community')) {
  var target = document.querySelector('li.liveNoRecent').parentElement.parentElement;
  var invoke = function (mutations) {
    createReservationBtn('a.now_live_inner', 'float: right;writing-mode: vertical-rl;text-orientation: upright;');
    createReservationBtn('a.liveTitle', '');
    observer.disconnect();
  };
} else if (location.pathname.match('/live')) {
  var target = document.getElementsByClassName('area-communityLive')[0];
  var invoke = function (mutations) {
    createReservationBtn('a.liveTitle', 'float: right;');
    observer.disconnect();
  };
}

var observer = new MutationObserver(invoke);
observer.observe(target, { childList: true, subtree: true });

function createReservationBtn(selector, style) {
  var streams = document.querySelectorAll(selector);

  for (var i = 0; streams[i]; i++) {
    var btn = document.createElement('a');
    btn.innerHTML = 'TS予約';
    btn.setAttribute('style', style);
    btn.addEventListener('click', { handleEvent: reserve, videoId: streams[i].pathname.match(/\d+$/), btn: btn});

    streams[i].insertAdjacentElement('beforebegin', btn);
  }
}

function reserve (ev) {
  var post = new XMLHttpRequest();
  post.open('POST', 'https://live.nicovideo.jp/api/timeshift.reservations');
  post.responseType = 'json';
  post.withCredentials = true;

  var fd = new FormData();
  fd.set('vid', this.videoId);
  post.send(fd);

  var self = this;
  post.addEventListener('load', function () {
    if (post.response.meta.status == 200) {
      self.btn.innerHTML = '完了';
    } else {
      self.btn.innerHTML = '失敗';
    }
    setTimeout(function () { self.btn.innerHTML = 'TS予約'; }, 5000);
  });
  post.addEventListener('error', function () {
    alert('Reservation Failed: Maybe, you need a bug report.');
  });
}