Add YouTube Video Progress

Add progress bar at bottom of YouTube video and progress text on the video page. Additionally, shows the video title at top left of screen when the video control bar is being shown and while in fullscreen mode.

目前為 2018-06-04 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         Add YouTube Video Progress
// @namespace    https://greasyfork.org/en/users/85671-jcunews
// @version      1.0.9
// @license      GNU AGPLv3
// @description  Add progress bar at bottom of YouTube video and progress text on the video page. Additionally, shows the video title at top left of screen when the video control bar is being shown and while in fullscreen mode.
// @author       jcunews
// @match        https://www.youtube.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

//===== Configuration Start =====
var progressbarHeight       = 3; //in pixels
var progressbarColor        = "#fff"; //e.g. "#fff" or "#e0e0e0" or "cyan"
var progressbarElapsedColor = "#f00";
var contentLoadProcessDelay = 0; //number of milliseconds before processing dynamically loaded contents (increase if slow network/browser)

var fullscreenVideoTitle          = true;
var fullscreenVideoTitleFontSize  = "14pt"; //e.g. "14pt" or "24px"
var fullscreenVideoTitleFontColor = "#fff";
//===== Configuration End =====

var timerWaitInfo, timerProgressMonitor, timerWaitPlayer, timerDoubleCheck, playerManager;

function processInfo() {
  if (window.vidprogress || (location.pathname !== "/watch")) return;
  clearTimeout(timerWaitInfo);
  (function waitInfo(a, b) {
    if (a = document.querySelector("#info-contents #info, #watch7-user-header")) {
      b = document.createElement("SPAN");
      b.id = "vidprogress";
      b.innerHTML = '<span id="curq" style="font-weight:500"></span><span id="curtime" style="margin-left:2ex"></span>';
      b.style.cssText = "border:1px solid #ccc;border-radius:4px;padding:2px 5px;background:#eee;";
      if (window["body-container"]) {
        b.style.cssText += "margin-left:2ex";
        a.appendChild(b);
      } else {
        b.style.cssText += "margin-left:2ex;font-size:10pt";
        a.insertBefore(b, a.querySelector("#flex"));
      }
    } else timerWaitInfo = setTimeout(waitInfo, 200);
  })();
}

function processPlayer() {
  function zerolead(n){
    return n > 9 ? n : "0" + n;
  }

  function sec2hms(sec) {
   var c = sec % 60, d = Math.floor(sec / 60);
   return (d >= 60 ? zerolead(Math.floor(d / 60)) + ":" : "") + zerolead(d % 60) + ":" + zerolead(c);
  }

  function updProgress(a, b, c, ls){
    a = window.movie_player;
    if (a && window.vidprogress2b && a.getCurrentTime) try {
      if (window.curtime) {
        b = a.getPlaybackQuality();
        switch (b) {
          case "light":
          case "tiny":    c =  "144p"; break;
          case "small":   c =  "240p"; break;
          case "medium":  c =  "360p"; break;
          case "large":   c =  "480p"; break;
          case "highres": c = "4320p"; break;
          default:
            if (ls = b.match(/^hd(\d+)/)) {
              c = ls[1] + "p";
            } else c = b;
        }
        curq.textContent = c;
        curq.title = b;
      }
      b = a.getCurrentTime();
      if (b >= 0) {
        ls = a.getDuration();
        if (!a.getVideoData().isLive) {
          if (window.curtime) {
            curtime.textContent = sec2hms(Math.floor(b)) + " / " + sec2hms(Math.floor(ls)) + " (" + Math.floor(b * 100 / ls) + "%)";
          }
          vidprogress2b.style.width = Math.ceil((b / ls) * vidprogress2.offsetWidth) + "px";
        } else {
          if (window.curtime) {
            curtime.textContent = "LIVE";
          }
          vidprogress2b.style.width = "100%";
        }
      } else {
        if (window.curtime) {
          curq.textContent = "";
          curtime.textContent = "";
        }
        vidprogress2b.style.width = "0px";
        if (fullscreenVideoTitle) vidtitle.textContent = "";
      }
    }catch(a){
      if (window.curtime) {
        curq.textContent = "[???]";
        curtime.textContent = "???";
      }
      vidprogress2b.style.width = "0px";
      if (fullscreenVideoTitle) vidtitle.textContent = "";
    }
  }

  function resumeProgressMonitor() {
    if (timerProgressMonitor) return;
    updProgress();
    timerProgressMonitor = setInterval(updProgress, 200);
  }

  function pauseProgressMonitor() {
    clearInterval(timerProgressMonitor);
    timerProgressMonitor = 0;
    updProgress();
  }

  clearInterval(timerProgressMonitor);
  timerProgressMonitor = 0;
  clearTimeout(timerWaitPlayer);
  timerWaitPlayer = 0;
  clearInterval(timerDoubleCheck);
  timerDoubleCheck = 0;
  (function waitPlayer() {
    if (!window.vidprogress2 && window.movie_player && (a = movie_player.parentNode.querySelector("video"))) {
      b = document.createElement("DIV");
      b.id = "vidprogress2";
      b.style.cssText = "opacity:.66;position:absolute;z-index:10;bottom:0;width:100%;height:" + progressbarHeight + "px;background:" + progressbarColor;
      b.innerHTML = '<div id="vidprogress2b" style="height:100%;background:' + progressbarElapsedColor + '"></div>';
      movie_player.appendChild(b);
      if (movie_player.getPlayerState() === 1) {
        resumeProgressMonitor();
      }
      //useful: onLoadedMetadata(), onStateChange(state), onPlayVideo(info), onReady(playerApi), onVideoAreaChange(), onVideoDataChange(info)
      //states: -1=notReady, 0=ended, 1=playing, 2=paused, 3=ready, 4=???, 5=notAvailable?
      movie_player.addEventListener("onLoadedMetadata", resumeProgressMonitor);
      movie_player.addEventListener("onStateChange", function(state) {
        if (state === 1) {
          resumeProgressMonitor();
        } else pauseProgressMonitor();
      });
      if (fullscreenVideoTitle) {
        b = document.createElement("DIV");
        b.id = "vidtitle";
        b.textContent = movie_player.getVideoData().title;
        b.style.cssText = "margin-left:.5ex;color:" + fullscreenVideoTitleFontColor + ";font-size:" + fullscreenVideoTitleFontSize + ";text-shadow:0 0 1em black,0 0 1em black,0 0 1em black,0 0 1em black";
        document.querySelector("#movie_player>.ytp-gradient-top").appendChild(b);
        if (!playerManager) {
          (function waitPlayerManager(a) {
            if (a = document.querySelector("yt-player-manager")) {
              a.listened_ayvp = true;
              a.addEventListener("yt-player-updated", function() {
                vidtitle.textContent = movie_player.getVideoData().title;
              });
            } else setTimeout(waitPlayerManager, 200);
          })();
        }
      }
    } else timerWaitPlayer = setTimeout(waitPlayer, 200);
  })();

  function doubleCheck() {
    if (window.movie_player && movie_player.getPlayerState) {
      if (movie_player.getPlayerState() === 1) {
        resumeProgressMonitor();
      } else pauseProgressMonitor();
    }
  }
  if (!timerDoubleCheck) timerDoubleCheck = setInterval(doubleCheck, 500);
}

addEventListener("yt-page-data-updated", processInfo);
addEventListener("yt-player-released", processPlayer);
addEventListener("load", function() {
  processInfo();
  processPlayer();
});
addEventListener("spfprocess", function() {
  setTimeout(function() {
    processInfo();
    processPlayer();
  }, contentLoadProcessDelay);
});