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YouTubeで自動翻訳字幕(日本語)を常にオン

B:再度試みる N:次の動画 P:前の動画 A:今の位置から再生するURLをコピー

当前为 2020-12-11 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name YouTubeで自動翻訳字幕(日本語)を常にオン
// @description B:再度試みる N:次の動画 P:前の動画 A:今の位置から再生するURLをコピー
// @version      0.5.6
// @run-at document-idle
// @match *://www.youtube.com/*
// @grant GM.setClipboard
// @namespace http://greasyfork.icu/users/181558
// ==/UserScript==

(function() {

  const WAIT_PAGEOPEN_OFFSET = 0; // ミリ秒 不安定なら大きくする
  const ENABLE_EVENJAPANESE = 1; // 1なら日本語タイトルの動画でも実行
  const ENABLE_EVENEMBED = 1; // 1なら埋め込み動画でも実行
  const DISABLE_AUTO_GENERATED_JAPANESE = 1; // 1なら自動生成の日本語しかない時は字幕をオフ
  const WORDS_TO_FORCE_ENABLE = /$^/; // 動画タイトルにマッチすると自動生成の日本語しかなくても字幕をオンにする正規表現 対象なしは/$^/

  const WAIT_EACHACTION = 300; // ミリ秒 不安定なら大きくする
  const verbose = 0;

  var per = (performance.now()) / 3;
  verb("performance.now:" + performance.now(), "wait_base:" + per + "ms");
  var wait_pageOpen = (per > 1500 ? 1500 : per < 300 ? 300 : per) + WAIT_PAGEOPEN_OFFSET;
  verb("wait_pageOpen:" + wait_pageOpen + "ms");

  document.addEventListener('keydown', function(e) {
    if (/input|textarea/i.test(e.target.tagName) == false) {
      var key = (e.shiftKey ? "Shift+" : "") + (e.altKey ? "Alt+" : "") + (e.ctrlKey ? "Ctrl+" : "") + e.key;
      if (key == "b") {
        toJP("forced");
        e.preventDefault();
        return false;
      }
      if (key == "n") {
        elecli(null, '//a[@class="ytp-next-button ytp-button" and @aria-label="次へ(SHIFT+n)"]|//a[@class="ytp-next-button ytp-button cleaned" and @role="button" and @aria-label="次へ(SHIFT+n)"]');
        e.preventDefault();
        return false;
      }
      if (key == "p") {
        elecli(null, '//a[@class="ytp-prev-button ytp-button" and @aria-label="前へ(SHIFT+p)"]|//a[@class="ytp-prev-button ytp-button cleaned" and @role="button" and @aria-label="前へ(SHIFT+p)"]');
        e.preventDefault();
        return false;
      }
      if (key == "a" && location.href.match(/\/\/www\.youtube\.com\/watch\?.*v\=([^?&]*)/)) {
        elecli(null, '//div[@class="ytp-right-controls"]/button[@aria-label="設定"]|//button[@class="ytp-button ytp-settings-button"]', 0, "close");
        elecli(null, '//div[@class="ytp-right-controls"]/button[@aria-label="設定"]|//button[@class="ytp-button ytp-settings-button"]', 1, "blur"); // 設定ボタン
        setTimeout(() => {
          var ctimeEle = elegeta('//span[@class="ytp-time-current"]');
          if (ctimeEle) {
            ctimeEle = ctimeEle.slice(-1)[0]; // 動画要素を複数持つ場合があるので最後の1つを取得
            var ctimeText = ctimeEle.innerText.trim().split(":");
            var ctime = ctimeText.length == 2 ? Number(ctimeText[0]) * 60 + Number(ctimeText[1]) : Number(ctimeText[0]) * 60 * 60 + Number(ctimeText[1]) * 60 + Number(ctimeText[2]);
            var ret = (navigator.platform.indexOf("Win") != -1) ? "\r\n" : "\n";
            var cb = (document.title + ret + "https://www.youtube.com/watch?v=" + location.href.match(/v\=([^?&]*)/)[1] + (ctime > 0 ? ("&t=" + ctime) : "") + ret);
          }
          GM.setClipboard(cb); //alert(cb);
          e.preventDefault();
        }, 100);
        return false;
      }
    }
  }, false);

  var href = location.href;
  var observer = new MutationObserver(function(mutations) {
    if (href !== location.href) {
      href = location.href;
      run(wait_pageOpen * 3);
    }
  });
  observer.observe(document, { childList: true, subtree: true });

  if (window === parent && location.href.match(/^https:\/\/www\.youtube\.com\/watch/)) run(wait_pageOpen * 2);

  for (let ele of elegeta('//div[@id="player"]/div/div/button[@aria-label="再生"]|//div[@id="player"]/div/div/button[@aria-label="Play"]')) {
    ele.addEventListener('click', () => { setTimeout(run, wait_pageOpen * 2) });
  }

  return;

  function run(delay = 500) {
    setTimeout(function() {
      verb("run");
      var title = eleget0('//h1/yt-formatted-string');
      if (!(location.href.match(/\/embed/)) && (!title || !eleget0('//div[contains(@class,"ytp-right-controls")]/button[@aria-haspopup="true"]|//button[@class="ytp-button ytp-settings-button" and @data-tooltip-target-id="ytp-settings-button"]'))) {
        setTimeout(run, 100);
        verb("title does not exist");
        return;
      }
      if (!ENABLE_EVENJAPANESE && title && ((title.innerText) || "").match(/[\u30a0-\u30ff\u3040-\u309f\u3005-\u3006\u30e0-\u9fcf]+/)) { verb("title has Japanese character(s)"); return; } // タイトルに日本語あるならやめる
      setTimeout(() => { toJP(), wait_pageOpen });
    }, delay + ((window.navigator.userAgent.toLowerCase().indexOf('chrome') > -1) ? 200 : 0));

  }

  function toJP(f = null) {
    if (!(location.href.match(ENABLE_EVENEMBED ? /:\/\/www\.youtube\.com\/watch\?|:\/\/www\.youtube\.com\/embed/ : /:\/\/www\.youtube\.com\/watch\?/))) return;
    if (eleget0('//button[@class="ytp-subtitles-button ytp-button" and @aria-pressed="true"]|//button[@class="ytp-subtitles-button ytp-button" and @aria-pressed="false"]')) { // 字幕ボタン
      elecli(f, '//button[@class="ytp-subtitles-button ytp-button" and @aria-label="字幕(c)" and @aria-pressed="false"]|//button[@class="ytp-subtitles-button ytp-button" and @aria-pressed="false"]', 1); // 字幕ボタン
      elecli(f, '//div[@class="ytp-right-controls"]/button[@aria-label="設定"]|//button[@class="ytp-button ytp-settings-button"]', 2); // 設定ボタン
      elecli(f, '//div[@class="ytp-menuitem-label"]/div/span[text()="字幕"]|//div[@class="ytp-menuitem-label"]/div/span[contains(text(),"Subtitles/CC")]', 3, "close", "smooth");
      elecli(f, '//div[@class="ytp-menuitem-label" and text()="自動翻訳"]|//div[2]/div/div[@class="ytp-menuitem-label" and contains(text(),"Auto-translate")]', 4, "close", "instant");
      elecli(f, '//div[@class="ytp-menuitem-label" and text()="日本語"]|//div[@class="ytp-menuitem-label" and text()="Japanese"]', 5, "close");
      elecli(f, '//div[contains(@class,"ytp-right-controls")]/button[@aria-haspopup="true" and @aria-expanded="true"]|//button[@class="ytp-button ytp-settings-button" and @data-tooltip-target-id="ytp-settings-button" and @aria-expanded="true"]', 7, "blur");
    }
  }

  function elecli(f, xpath, delay = 0, command = false, beha = null) {
    setTimeout(() => {
      var title = eleget0('//h1/yt-formatted-string');
      //console.log(((title.innerText) || "").match(WORDS_TO_FORCE_ENABLE))
      if (!f && DISABLE_AUTO_GENERATED_JAPANESE && (((title.innerText) || "").match(WORDS_TO_FORCE_ENABLE) == null)) {
        var str = "";
        for (let am of elegeta('//div[@class="ytp-menuitem-label"]')) { str += am.innerText };
        verb(delay + ', //div[@class="ytp-menuitem-label"] .innerText: ' + str);
        if (str === 'アノテーション再生速度字幕 (1)画質オフ日本語 (自動生成)自動翻訳' || str === '自動再生アノテーション再生速度字幕 (1)画質オフ日本語 (自動生成)自動翻訳' || str === 'オフ日本語 (自動生成)自動翻訳' || str === '自動再生アノテーション再生速度字幕 (1)画質字幕を追加オフ日本語 (自動生成)自動翻訳' || str === '自動再生再生速度字幕 (1)画質字幕を追加オフ日本語 (自動生成)自動翻訳' || str.match(/^(自動再生)?再生速度字幕 \(1\)画質オフ日本語 \(自動生成\)自動翻訳$|字幕を追加オフ日本語 \(自動生成\)自動翻訳$/)) { elecli(1, '//button[@class="ytp-subtitles-button ytp-button" and @aria-pressed="true"]'); return }
      }
      var ele = eleget0(xpath);
      verb(xpath, "...found : " + (elegeta(xpath).length));
      if (ele) {
        for (let ele of elegeta(xpath)) {
          if (command == "focus") {
            ele.focus();
            verb("...focused")
          } else {
            ele.click();
            verb("...clicked")
            if (window != parent && beha) {
              let foc = eleget0('//div[@id="movie_player"]|//div[@id="player"]');
              if (foc) foc.scrollIntoView({ behavior: beha, block: "center", inline: "center" });
            }
          }
        }
      } else {
        verb("...not found");
        if (command == "close") {
          elecli(f, '//div[contains(@class,"ytp-right-controls")]/button[@aria-haspopup="true" and @aria-expanded="true"]|//button[@class="ytp-button ytp-settings-button" and @data-tooltip-target-id="ytp-settings-button" and @aria-expanded="true"]');
        }
      }
      if (command == "blur") elecli(f, '//div[@id="movie_player"]|//div[@id="player"]/div/div/video', 0, "focus");
    }, delay * WAIT_EACHACTION);
  }

  function eleget0(xpath, node = document) {
    if (!xpath) return null;
    try {
      var ele = document.evaluate(xpath, node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
      return ele.snapshotLength > 0 ? ele.snapshotItem(0) : "";
    } catch (e) { return null; }
  }

  function elegeta(xpath, node = document) {
    var ele = document.evaluate("." + xpath, node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    var array = [];
    for (var i = 0; i < ele.snapshotLength; i++) array[i] = ele.snapshotItem(i);
    return array;
  }

  function verb() {
    if (verbose)
      for (let str of arguments) console.log(str);
  }
})()