Limit Twitter

Limit the time to watching Twitter TL and List, and use your time effectively.

As of 2019-11-04. 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         Limit Twitter
// @name:en      Limit Twitter
// @namespace    https://twitter.com/seiun_kunisaki
// @version      1.2.3
// @description     ツイッターを見る時間を制限して時間を有効に使おう
// @description:en  Limit the time to watching Twitter TL and List, and use your time effectively.
// @author       @seiun_kunisaki
// @match        https://twitter.com/*
// @match        https://mobile.twitter.com/*
// @run-at       document-start
// @grant        none

// ==/UserScript==

(function() {
  'use strict';

  if (document.readyState == 'interactive') return; // tampermonkey F5 measure

  window.addEventListener('DOMContentLoaded', function(){

    /* == User Setting Start == */

    var remainSeconds = 180;
    var redirectUrl = 'https://www.hellowork.go.jp/'; // introducing your work :)
    var isTitlemode = false; // apply to show countdown in title mode. true or false
    var bgImageUrl = ''; // background image url

    /*  == User Setting End == */


    var baseStr = {'ja': '残り:%d 秒', 'zh': '剩下:%d 秒',
                   'id': '%d detik tersisa', 'pt': '%d segundos restantes',
                   'de': 'Noch: %d Sekunden', 'es': '%d segundos restantes',
                   'nl': '%d seconden resterend', 'fr': '%d secondes restantes',
                   'it': '%d secondi rimanenti', 'ko': '나머지:%d 초',
                   'en': 'remaining:%d s', 'default': 'remaining:%d s'};

    var htmlLang = document.documentElement.getAttribute('lang');
    if (!baseStr[htmlLang]) htmlLang = 'default';

    var originalStr = {};
    var divElement = null;

    var timerId = setInterval(countDown, 1000);

    document.body.style.backgroundImage = "url(" + bgImageUrl + ")";
    
    function countDown() {

      if (!isTitlemode) {
        // normal mode
        if (divElement === null) addCountElement();
        if (!isCountdownpage()) return;
        setCountStr();
      } else {
        // title mode
        if (!isCountdownpage()) return;
        var h2s = document.getElementsByTagName('h2');
        if (h2s && !originalStr[location.pathname]) {
          originalStr[location.pathname] = h2s[1].innerHTML; // <h2>Home</h2> is 2nd h2 tag
        }
        h2s[1].innerHTML = originalStr[location.pathname] + " " +
            baseStr[htmlLang].replace('%d', remainSeconds);
      }
      if (remainSeconds === 0) {
        clearInterval(timerId);
        document.location.href = redirectUrl;
        return;
      }
      remainSeconds--;
    }

    function isCountdownpage() {
      divElement.style.visibility = 'visible';
      if (location.pathname === '/home' ||
        (location.pathname.match(/\/lists\/[^\/]+\/?$/))) {  // list page
          return true;
      }
      if (location.pathname === '/compose/tweet' ||
        (location.pathname.match(/^\/settings(\/.*)?$/)) ||
        (location.pathname.match(/^\/i\/display$/)) ||
        (location.pathname.match(/^\/intent\//)) ||
        (location.pathname.match(/^\/messages(\/.*)?$/))) {
        
          divElement.style.visibility = 'hidden';
      }
      return false;
    }
    
    function addCountElement() {
      divElement = document.createElement('div');
      divElement.style.position = 'fixed';
      divElement.style.left = '13px'; 
      divElement.style.bottom = '73px';
      divElement.style.width = '70%';
      divElement.style.maxWidth = '500px';
      if (window.innerWidth >= 500) {
        divElement.style.width = '570px';
        divElement.style.maxWidth = '70%';
        divElement.style.left = '20%';
        divElement.style.bottom = '23px';
      }
      divElement.style.height = '50px';
      divElement.style.border = 'solid 4px black';
      divElement.style.borderRadius = '27px';
      divElement.style.background = '#FFFFFF';
      divElement.style.overflow = 'hidden';
      divElement.style.zIndex = 10;
      divElement.style.fontSize = '30px';
      divElement.style.textAlign = 'center';
      divElement.style.verticalAlign = 'center';
      document.body.appendChild(divElement);
      setCountStr();
    }
    
    function setCountStr() {
      divElement.innerHTML = baseStr[htmlLang].replace('%d', remainSeconds);      
    }
  });
})();