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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,Enter: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(Shift+A:タブのURLにも反映) [:全画面化

当前为 2022-02-23 提交的版本,查看 最新版本

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// ==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,Enter: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(Shift+A:タブのURLにも反映) [:全画面化
// @version      0.5.18
// @run-at document-idle
// @match *://www.youtube.com/*
// @match *://www.nicovideo.jp/watch/*
// @match *://live.nicovideo.jp/watch/*
// @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 ENABLE_WHEN_MUTED = 1; // 1なら音声がミュートされている時は字幕をオン
  const DO_NOT_SELECT_LANGUAGE = 0; // 1なら日本語を選択しない(字幕をオンにするだけ)
  const WORDS_TO_FORCE_ENABLE = /ラジオ/; // 動画タイトルに含むと字幕をオンにする正規表現 対象なしは/$^/
  const WORDS_TO_FORCE_DISABLE = /$^/; // 動画タイトルに含むと字幕をオフにする正規表現 対象なしは/$^/
  const KEY_A_VARIATIONS = 1; // 1-2:aキーで作るurlの種類
  const NICOLIVE_EXPAND_COMMENT_LIST = 0; // 1200; // 1-:ニコ生でコメント欄の横幅を広げるスライダーを設置&その初期値

  const WAIT_EACHACTION = 300; // ミリ秒 不安定なら大きくする
  const verbose = 0; // 開発用
  const VERBOSE_NOTIFY = 0; // 開発用 1:vn()
  const CHECK_ROAJ = 0; // 開発用 1:日本語にしなかった理由をalert

  var checkROAJAlready = 0;

  var mllID;
  var kaisuuA = 0;
  var per = (performance.now()) / 3;
  verb("performance.now:" + performance.now(), "wait_base:" + per + "ms");
  var wait_pageOpen = (per > 1500 ? 1500 : per < 400 ? 400 : per) + WAIT_PAGEOPEN_OFFSET;
  vn("wait_pageOpen : " + Math.floor(wait_pageOpen) + " ms");

  String.prototype.match0 = function(re) { let tmp = this.match(re); if (!tmp) { return null } else if (tmp.length > 1) { return tmp[1] } else return tmp[0] }
  let inYOUTUBE = location.hostname.match0(/^www\.youtube\.com|^youtu\.be/);

  if (location.href.indexOf("//www.nicovideo.jp/watch/") != -1) { aToCopyUrl(); return; }
  if (location.href.indexOf("//live.nicovideo.jp/watch/") != -1) { nicolive(); return; }

  document.addEventListener('keydown', function(e) {
    if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA' || e.target.getAttribute('contenteditable') === 'true' || (inYOUTUBE && (document.activeElement.closest('#chat-messages') || document.activeElement.closest('ytd-comments-header-renderer')))) return;
    var key = (e.shiftKey ? "Shift+" : "") + (e.altKey ? "Alt+" : "") + (e.ctrlKey ? "Ctrl+" : "") + e.key;

    if (e.key === "[") { // [ 全画面化
      toggleFullScreen();
      return false;

      function toggleFullScreen() {
        if (!document.fullscreenElement) {
          let p = document.documentElement.requestFullscreen();
          p.catch(() => {});
        } else {
          if (document.exitFullscreen) {
            let p = document.exitFullscreen();
            p.catch(() => {});
          }
        }
      }
    }
    if (key === "b") {
      toJP("forced");
      e.preventDefault();
      return false;
    }
    if (key === "n" || key === "Enter") {
      elecli("forced", '//a[@class="ytp-next-button ytp-button"]');
      e.preventDefault();
      return false;
    }
    if (key === "p" || key === "]") {
      elecli("forced", '//a[@class="ytp-prev-button ytp-button"]');
      e.preventDefault();
      return false;
    }
    if ((key === "a" || key === "Shift+A") && location.href.match(/\/\/www\.youtube\.com\/watch\?.*v\=([^?&]*)/)) {
      var ctimeEle = eleget0('//video');
      if (ctimeEle) {
        var ctime = Math.floor(ctimeEle.currentTime);
        var ret = (navigator.platform.indexOf("Win") != -1) ? "\r\n" : "\n";
        let newurl = key === "a" ? "https://www.youtube.com/watch?v=" + location.href.match0(/v\=([^?&]*)/) + (ctime > 0 ? ("&t=" + ctime) : "") : location.href.replace(/&t=\d*s?/, "").replace(/[\?|\&]index=\d+/, "") + (ctime > 0 ? ("&t=" + ctime) : "");
        let te = eleget0('//h1[@class="title style-scope ytd-video-primary-info-renderer"]/yt-formatted-string[@force-default-style="" and @class="style-scope ytd-video-primary-info-renderer"]');
        let titleInPage = te && te.innerText > "" ? te.innerText + " - YouTube" : null;
        if (key === "Shift+A") history.pushState(null, null, newurl);
        if (kaisuuA == 1 && key != "Shift+A") { newurl = newurl.replace('https://www.youtube.com/watch?v=', 'https://youtu.be/').replace("&t=", "?t="); } else { newurl = newurl.replace('https://youtu.be/', 'https://www.youtube.com/watch?v=').replace("?t=", "&t="); }
        var cb = ((titleInPage || document.title) + ret + newurl + ret);
        GM.setClipboard(cb);
        popup(cb)
        kaisuuA = ++kaisuuA % KEY_A_VARIATIONS;
      }
      e.preventDefault();
      return false;
    }
  }, false);

  var latestVideo = elegeta('//video').map(e => e.src).toString();

  setInterval(() => {
    if (elegeta('//video').map(e => e.src).toString() != latestVideo) { // video要素の.srcたちの変化を監視
      latestVideo = elegeta('//video').map(e => e.src).toString();
      checkROAJAlready = 0;
      if (VERBOSE_NOTIFY) vn(latestVideo, "//video変化 : " + elegeta('//video').length + "要素 ");
      //      run(wait_pageOpen * 3);
      if (latestVideo.length > 3) run(wait_pageOpen * 3); // src属性の中身があるvideo要素が1つ以上あれば
    }
  }, 1000);

  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) {
    verb(elegeta('//video[@class="video-stream html5-main-video"]'))
    elegeta('//video').forEach(e => { if (!(e.src)) e.remove() })
    let video = elegeta('//video[@class="video-stream html5-main-video"]').slice(-1)[0]; // video要素が複数ある場合があるので最後の1つを取得
    if (!video) { verb("まだビデオ要素がありません"); return; }
    //verb(video.paused)
    //    if (video.paused == true || (video.currentTime < WAIT_VIDEO_START)) {
    if (!video.src) {
      verb("まだビデオ再生が始まっていません");
      setTimeout(() => run(delay), 100);
      return;
    }
    setTimeout(function() {
      elegeta('//video').forEach(e => { if (!(e.src)) e.remove() })
      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
      if (!DO_NOT_SELECT_LANGUAGE && !eleget0('//div[text()="デフォルトの字幕"]')) {
        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"]/div/span[text()="字幕"]|//div[@class="ytp-menuitem-label"]/div/span[contains(text(),"Subtitles/CC")]|//font[@style="vertical-align: inherit;" and text()="字幕"]', 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');
      if (!f && (((title.innerText) || "").match(WORDS_TO_FORCE_DISABLE))) { elecli(1, '//button[@class="ytp-subtitles-button ytp-button" and @aria-pressed="true"]'); return }
      let muted = eleget0('//button[@class="ytp-mute-button ytp-button" and @title="ミュート解除(m)"]');
      verb(!f, !(ENABLE_WHEN_MUTED && muted), DISABLE_AUTO_GENERATED_JAPANESE, (((title.innerText) || "").match(WORDS_TO_FORCE_ENABLE) == null))
      if ((!f && !(ENABLE_WHEN_MUTED && muted) && DISABLE_AUTO_GENERATED_JAPANESE && (((title.innerText) || "").match(WORDS_TO_FORCE_ENABLE) == null))) { // 自動翻訳の日本語しかなければ字幕をオフにして終わる
        var str = "";
        for (let am of elegeta('//div[@class="ytp-menuitem-label"]')) { str += am.innerText };
        verb("available lang check:" + 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"]');
          //          roaj(str + "だったのでやめました");
          vn(str + "だったのでやめました");
          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"]'); // 歯車がオープンの状態の歯車
          //          roaj(xpath + "がなかったのでやめました");
          vn(xpath + "がなかったのでやめました");
        }
      }
      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 (!/^\.?\/\//.test(xpath)) return document.querySelector(xpath);
    var ele = document.evaluate(xpath, node, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    return ele.snapshotLength > 0 ? ele.snapshotItem(0) : "";
  }

  function elegeta(xpath, node = document) {
    if (!xpath) return [];
    if (!/^\.?\/\//.test(xpath)) return [...document.querySelectorAll(xpath)];
    var ele = document.evaluate(xpath, document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    try {
      var array = [];
      var ele = document.evaluate("." + xpath, node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
      for (var i = 0; i < ele.snapshotLength; i++) array[i] = ele.snapshotItem(i);
      return array;
    } catch (e) { return []; }
  }

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

  function roaj(str) {
    if (CHECK_ROAJ && !checkROAJAlready) {
      alert(str);
      checkROAJAlready = 1;
    }
  }

  function vn(body, title = "") { // verbose notify
    if (VERBOSE_NOTIFY) notify(body, title);
  }

  function notify(body, title = "") {
    if (!("Notification" in window)) return;
    else if (Notification.permission == "granted") new Notification(title, { body: body });
    else if (Notification.permission !== "denied") Notification.requestPermission().then(function(permission) {
      if (permission === "granted") new Notification(title, { body: body });
    });
  }

  function popup(text) {
    var e = document.getElementById("cccbox");
    if (e) { e.remove(); }
    if (mllID) { clearTimeout(mllID); }
    if (!text > "") return
    text = text.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/'/g, "&#39;").replace(/`/g, '&#x60;').replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/\n/gm, "<br>")
    var ele = document.body.appendChild(document.createElement("span"));
    let bgcolor = /www\.translatetheweb\.com|\.translate\.goog\/|translate\.google\.com/gmi.test(location.href) ? "#d06050" : "#333";
    ele.innerHTML = '<span id="cccbox" style="all:initial; position: fixed; right:0em; top:0em; z-index:2147483647; opacity:1; word-break:break-all; font-size:15px; font-weight:bold; margin:0px 1px; text-decoration:none !important; text-align:none; padding:1px 6px 1px 6px; border-radius:12px; background-color:' + bgcolor + '; color:white; ">' + text + '</span>';
    mllID = setTimeout(function() { var ele = document.getElementById("cccbox"); if (ele) ele.remove(); }, 4000);
  }

  function aToCopyUrl() {
    document.addEventListener('keydown', function(e) {
      //if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA' || e.target.getAttribute('contenteditable') === 'true') return;
      if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA' || e.target.getAttribute('contenteditable') === 'true' || (inYOUTUBE && (document.activeElement.closest('#chat-messages') || document.activeElement.closest('ytd-comments-header-renderer')))) return;

      var key = (e.shiftKey ? "Shift+" : "") + (e.altKey ? "Alt+" : "") + (e.ctrlKey ? "Ctrl+" : "") + e.key;
      if ((key === "a" || key === "Shift+A") && location.href.indexOf("//www.nicovideo.jp/watch/") != -1) {
        var ctimeEle = eleget0('//video');
        if (ctimeEle) {
          var ctime = Math.floor(ctimeEle.currentTime);
          var ret = (navigator.platform.indexOf("Win") != -1) ? "\r\n" : "\n";
          let newurl = "https://www.nicovideo.jp/watch/" + location.href.match0(/\/watch\/([^/?]+)/) + (ctime > 0 ? ("?from=" + ctime) : "");
          if (key === "Shift+A") history.pushState(null, null, newurl);
          var cb = document.title + ret + newurl + ret;
          GM.setClipboard(cb);
          popup(cb)
        }
        e.preventDefault();
        return false;
      }
    }, false);
  }

  function nicolive() {
    if (NICOLIVE_EXPAND_COMMENT_LIST) {
      let place = eleget0('//div[@data-input-mode="mouse"]/div/header/div')
      if (place) {
        place.insertAdjacentHTML("afterend", `<input type="range" id="CommentRange" min="400" max="1700" value="${NICOLIVE_EXPAND_COMMENT_LIST}" title="コメント欄の幅を調整:${NICOLIVE_EXPAND_COMMENT_LIST}px" oninput="this.title= 'コメント欄の幅を調整:'+this.value+'px'">`)
        let adjustCommentArea = function() {
          let main = eleget0('//div[contains(@class,"___player-section___")]')
          let fullsc = eleget0('//button[@aria-label="フルスクリーン解除"]') ? null : "95%";
          if (main) {
            main.style.width = fullsc
            main.style.maxWidth = fullsc
          }
          let rangee = eleget0('#CommentRange')
          if (rangee) {
            var commentWidth = rangee.value; //1200; //yohakuX-videoWidth
            elegeta('div[class*=___player-status-panel___]').forEach(e => e.style.width = `${commentWidth}px`)
            elegeta('div[class*=___table___]').forEach(e => e.style.width = `${commentWidth}px`);
            elegeta('span[class*=___table-cell___]').forEach(e => e.style.width = `${commentWidth}px`);
            //elegeta('div[class*=___table-row___]').forEach(e => e.style.height=`1.5em` );
          }
        }
        let rangee = eleget0('#CommentRange')
        if (rangee) rangee.addEventListener('input', (range) => adjustCommentArea());

        var yohakuX = document.documentElement.clientWidth //- videoWidth;
        let e = eleget0('//div[contains(@class,"___ichiba-counter___")]')
        var videoWidth = (e ? e.offsetWidth : 0);
        setInterval(() => {
          adjustCommentArea()
        }, 999);
      }
    }
  }

})();