Wadsworth Constant

Script adds a posibility to apply Wadsworth Constant to YouTube videos. Two buttons are added, one to apply and to auto-switch.

目前為 2015-05-15 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name        Wadsworth Constant
// @description     Script adds a posibility to apply Wadsworth Constant to YouTube videos. Two buttons are added, one to apply and to auto-switch.
// @namespace   Wadsworth Constant
// @include http*://*.youtube.com/*
// @include http*://www.youtube.com/*
// @include http*://youtube.com/*
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_xmlhttpRequest
// @noframes
// @run-at document-end
// @author      Dexmaster
// @icon        http://i1.kym-cdn.com/photos/images/masonry/000/257/513/662.jpg
// @co-author   Jake Lauer
// @version     1.2.1
// ==/UserScript==
(function () {
  'use strict';
  var c_loc = window.location.search,
  loaded = false;
  function hms_to_s(hms) {
    var arr = hms.split(':'),
        sec = 0, mult = 1;
    while (arr.length > 0) {
        sec = sec + mult * parseInt(arr.pop(), 10);
        mult = mult * 60;
    }
    return parseInt(sec);
  }
  function ww_apply(apply) {
    var url; //,saveURL
    if (!!apply) {
      url = window.location.href;
      if (url.match('#') || url.match('&t')) {
        url = url.split('#') [0].split('&t') [0];
      }
      url = url.split('?') [1].split('&') [0].split('=') [1];
      url = 'https://www.googleapis.com/youtube/v3/videos?part=contentDetails&id='+url+'&key=AIzaSyDrsu_ibWlFRzBPAA2tAqaJcK2gqLhmIQI';
      //console.log(url);
      if (url === 'https://gdata.youtube.com/feeds/api/videos/') {
        //console.log('Something went wrong... dunno what it was. Sorry!');
      }
      window.location.hash = '#';
      //console.log(saveURL);
      GM_xmlhttpRequest({
        method: 'GET',
        // ignoreCache: true,
        redirectionLimit: 0,
        url: url,
        onerror: function (res) {
          var msg = 'An error occurred.' + '\nresponseText: ' + res.responseText + '\nreadyState: ' + res.readyState + '\nresponseHeaders: ' + res.responseHeaders + '\nstatus: ' + res.status + '\nstatusText: ' + res.statusText + '\nfinalUrl: ' + res.finalUrl;
          console.log(msg);
        },
        onload: function (xhr) {
          if (xhr.readyState === 4) {
            if (xhr.status === 200 && xhr.responseText && xhr.responseText.length > 20) {
              var results = JSON.parse(xhr.responseText),
              duration = hms_to_s(results.items[0].contentDetails.duration.replace("PT","").replace("H",":").replace("M",":").replace("S","")),
              newTime = Math.ceil(duration * 0.3),
              hrr = window.location.href,
              mrr = '';
              //console.log(xhr);
              if (hrr.match('&t=')) {
                hrr = hrr.split('&t=') [0];
                if (hrr.split('&t=').length > 1) {
                  mrr = hrr.split('&t=') [1];
                  hrr += (mrr.match('&')) ? '&' + mrr.split('&') [1] : '';
                }
              }
              if (hrr.match('#')) {
                window.location = (hrr.split('#') [0] + '#t=' + newTime + 's');
              } else {
                window.location = (hrr + '#t=' + newTime + 's');
              }
            }
          }
        }
      });
    }
  }
  
  function toggle_cl(element, toggleClass, state){
    if(state || (!element.classList.contains(toggleClass) && (state === undefined))){
      element.classList.add(toggleClass);
    }else{
      element.classList.remove(toggleClass);
    }
  }
  
  function pp_state(event) {
    var t_loc = window.location,
    yt_wadsworth = GM_getValue('yt_wadsworth', false);
    if (c_loc !== t_loc.search || !loaded) {
      if (!loaded) loaded = true;
      if (yt_wadsworth) {
        ww_apply(true);
        // history changed because of pushState/replaceState
      }
    }
  }
  
  function ww_switch() {
    var yt_wadsworth = GM_getValue('yt_wadsworth', false);
    GM_setValue('yt_wadsworth', !yt_wadsworth);
   document.querySelector('#switch_wadsworth').textContent = 'Switch is ' + (!yt_wadsworth ? 'On' : 'Off');
    ww_apply(!yt_wadsworth);
  }
  
  function hide_ww(initial) {
    var yt_wadsworth_h = GM_getValue('yt_wadsworth_h', false);
    GM_setValue('yt_wadsworth_h', !yt_wadsworth_h);
    yt_wadsworth_h = GM_getValue('yt_wadsworth_h', false);
    toggle_cl(document.querySelector('#block_wadsworth'),'show', yt_wadsworth_h);
    toggle_cl(document.querySelector('#block_wadsworth'),'hide', !yt_wadsworth_h);
    document.querySelector('#hide_wadsworth').textContent = '' + (!yt_wadsworth_h ? 'Show' : 'Hide');
  }
  
  function load_once() {
    if (loaded) return;
    
    var yt_wadsworth = GM_getValue('yt_wadsworth', false), bl_ww, sw_ww, hd_ww, ap_ww, cont_yt = document.querySelector('#content');
    var yt_wadsworth_h = GM_getValue('yt_wadsworth_h', false);
    
    cont_yt.insertAdjacentHTML('beforebegin','<style type="text/css">.hide > div,.hide > div.text{display: none;}.show > div,.hide > #hide_wadsworth{display: inline-block;}.show > div.text {display: block;}#block_wadsworth{background-color: rgb(255, 255, 255); display: block; padding: 4px; position: fixed; z-index: 99; margin: 0;}.button_ww{display: inline-block; border: 1px solid red; cursor: pointer; background: none repeat scroll 0% 0% rgb(204, 204, 204); color: black; z-index: 12; padding: 4px 6px; position: relative; margin-top: 3px;margin-right: 3px;}</style><div id="block_wadsworth" class="' + (yt_wadsworth_h ? 'show' : 'hide') + '"><div class="text">Wadsworth Constant: </div><div id="apply_wadsworth" class="button_ww">Apply</div><div id="switch_wadsworth" class="button_ww">Switch is ' + (yt_wadsworth ? 'On' : 'Off') + '</div><div id="hide_wadsworth" class="button_ww">' + (!yt_wadsworth_h ? 'Show' : 'Hide') + '</div></div>');
    
    if (!window.location.href.match('v=') && !window.location.href.match('#p')) {
      bl_ww = document.querySelector('#block_wadsworth');
      bl_ww.parentNode.removeChild(bl_ww);
    }
    
    pp_state();
    
    sw_ww = document.querySelector('#switch_wadsworth');
    sw_ww.addEventListener('click', ww_switch, false);
    
    hd_ww = document.querySelector('#hide_wadsworth');
    hd_ww.addEventListener('click', hide_ww, false);
    
    ap_ww = document.querySelector('#apply_wadsworth');
    ap_ww.addEventListener('click',  function () {
      ww_apply(true);
    }, false);

  }
  document.addEventListener('DOMContentLoaded', load_once);
  window.addEventListener('spfdone', pp_state);
  //window.addEventListener('popstate', pp_state);
}) ();