Displays the sum of the lengths of the remaining videos in a playlist
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// ==UserScript==
// @name Display remaining Youtube playlist time
// @namespace https://github.com/Dragosarus/Userscripts/
// @version 1.1
// @description Displays the sum of the lengths of the remaining videos in a playlist
// @author Dragosarus
// @match http*://www.youtube.com/*
// @grant none
// @require http://code.jquery.com/jquery-latest.js
// ==/UserScript==
(function() {
'use strict';
/* Time formats:
* 0: "x.xx hours" or "x.xx minutes" or "x seconds"
* 1: xhxmxs (e.g 25m2s or 25m 2s)
* 2: h:mm:ss (e.g 25:02 or 1:00:31 or 0:03)
*/
var textformat = 1;
var textformat0_decimalPlaces = 2;
var textformat0_hourThreshold = 3600; // e.g "3.50" hours instead of "210.00 minutes" or "12600 seconds"
var textformat0_minuteThreshold = 60; // e.g "2.50" minutes instead of "180.00 seconds"
var textformat1_spacing = true; // e.g 1h 23m 2s instead of 1h23m2s
var textformat1_forceFull = false; // e.g 0h3m2s instead of 3m2s, 3h0m50s instead of 3h50s, etc
var textformat2_forceFull = false; // e.g 0:03:02 instead of 3:02
var includeCurrentVideo = true; // whether the length of the current video should be included
var before = " - "; // ::before
var before_miniplayer = " • ";
var updateCooldown = 2500; // limit how often update() is run (milliseconds)
var updateFlagTime = 0;
var time_total_s = 0;
var errorFlag = false;
var direction;
const playlistObserver = new MutationObserver(observerCallback);
const pytplirObserver = new MutationObserver(pytplirCallback);
const observerOptions = {subtree:true, childList:true, attributes:true, characterData:true};
initObservers(playlistObserver);
setInterval(check, updateCooldown);
function observerCallback(mutationList, observer) {
update();
}
function pytplirCallback(mutationList, observer) {
update(true); // force update regardless of cooldown
}
function initObservers(observer) {
try {
observer.observe($(".ytd-watch-flexy #playlist").find("#publisher-container")[0], observerOptions);
observer.observe($("yt-formatted-string[id=owner-name]")[0], observerOptions); // miniplayer
} catch (e) {
setTimeout(function(){initObservers(observer)},100);
}
}
function check() {
if (!$("#drypt_label").length || ($("ytd-app")[0].hasAttribute("miniplayer-active_") && !$("#drypt_label_miniplayer").length)) {
update();
}
if ($("#pytplir_btn").length) {
pytplirObserver.observe($("#pytplir_btn")[0],{attributes:true});
}
}
function update(force=false) {
if (Date.now() - updateFlagTime < updateCooldown && !force) {
return;
}
updateFlagTime = Date.now();
direction = getDirection();
var playlistEntry = getCurrentEntry();
if (!playlistEntry) {return;}
if (!includeCurrentVideo) {
playlistEntry = getNextEntry(playlistEntry);
}
time_total_s = 0;
if (playlistEntry){
addTime(playlistEntry);
}
if (!errorFlag){
display();
} else {
setTimeout(update,100);
errorFlag = false;
}
}
function getCurrentEntry(){ // returns <ytd-playlist-panel-video-renderer> element
var elem;
try {
if ($("ytd-app")[0].hasAttribute("miniplayer-active_")) {
return $("div.miniplayer").find("ytd-playlist-panel-video-renderer[selected]")[0];
} else {
return $("#content").find("ytd-playlist-panel-video-renderer[selected]")[0];
}
} catch (e) {
errorFlag = true;
}
}
function getNextEntry(current){
if (direction) { // pytplir
current = $(current).prev();
} else {
current = $(current).next();
}
if (current.length) {
if (!current.find("#unplayableText").prop("hidden")) {
return getNextEntry(current);
} else {
return current[0];
}
} else {
return undefined;
}
}
function getVidNum() {
var vidNum_tmp;
if ($("ytd-app")[0].hasAttribute("miniplayer-active_")) {
vidNum_tmp = $("yt-formatted-string[id=owner-name").children()[2].innerHTML;
} else {
vidNum_tmp = $("#publisher-container").find("span")[1].innerHTML + "/"; // apparently this is e.g "1" in Firefox, but "1 / n" in Chrome
}
return $.trim(vidNum_tmp.substring(0,vidNum_tmp.indexOf("/")));
}
function getDirection(){ // Compatible with https://greasyfork.org/en/scripts/404986-play-youtube-playlist-in-reverse-order
var pytplir_btn = $("#pytplir_btn");
if (!pytplir_btn.length) {
return 0; // down
} else {
return pytplir_btn.attr("activated") == "true" ? 1 : 0;
}
}
function addTime(entry) {
var time_raw = getTime(entry);
if (time_raw != "-1") {
time_total_s += hmsToSecondsOnly(time_raw);
entry = getNextEntry(entry);
if (entry) {
addTime(entry);
}
} else {
errorFlag = true;
}
}
function getTime(item) {
var unavailable = !$(item).find("#unplayableText").prop("hidden");
if (!unavailable) {
var time = $(item).find("span.ytd-thumbnail-overlay-time-status-renderer");
if (!time.length) {// timestamp has not been loaded yet
return "-1";
} else {
return $.trim(time[0].innerHTML);
}
} else { // unwatchable video => no timestamp
return "0";
}
}
// https://stackoverflow.com/questions/9640266/convert-hhmmss-string-to-seconds-only-in-javascript
function hmsToSecondsOnly(str) {
var p = str.split(':'),
s = 0, m = 1;
while (p.length > 0) {
s += m * parseInt(p.pop(), 10);
m *= 60;
}
return s;
}
function display() {
var text = formatTime(time_total_s);
if (text == "") {return;} // this is apparently possible
if (!$("ytd-app")[0].hasAttribute("miniplayer-active_")) {
if (!$("#drypt_label").length) {
var label = document.createElement("a");
var textColor = "rgb(237,240,243)";
label.setAttribute("font-family","Roboto, Noto, sans-serif");
label.setAttribute("font-size","13px");
label.setAttribute("fill",textColor);
label.setAttribute("id","drypt_label");
$("div.index-message-wrapper")[0].appendChild(label);
}
$("#drypt_label")[0].innerHTML = before + "(" + text + " left)";
} else { // miniplayer
if (!$("#drypt_label_miniplayer").length) {
var label_miniplayer = document.createElement("a");
label_miniplayer.setAttribute("font-family","Roboto, Noto, sans-serif");
label_miniplayer.setAttribute("font-size","13px");
label_miniplayer.setAttribute("fill",textColor);
label_miniplayer.setAttribute("id","drypt_label_miniplayer");
$("yt-formatted-string[id=owner-name]")[0].appendChild(label_miniplayer);
}
$("#drypt_label_miniplayer")[0].innerHTML = before_miniplayer + "(" + text + " left)";
}
}
function formatTime(time_total_s) {
var formats = [formatTime0, formatTime1, formatTime2];
if (textformat > formats.length || textformat < 0) {
textformat = 0;
}
return formats[textformat](time_total_s);
}
function formatTime0(time_total_s) { // "x.xx hours" OR "x.xx minutes" OR "x seconds"
if (time_total_s >= textformat0_hourThreshold) {
return (time_total_s / 3600).toFixed(textformat0_decimalPlaces) + " hours";
} else if (time_total_s >= textformat0_minuteThreshold) {
return (time_total_s / 60).toFixed(textformat0_decimalPlaces) + " minutes";
} else {
return time_total_s + " seconds";
}
}
function formatTime1(time_total_s) { // xhxmxs (e.g 25m2s or 25m 2s)
var space = textformat1_spacing ? " " : "";
var hh = Math.floor(time_total_s / 3600);
var mm = Math.floor((time_total_s % 3600) / 60);
var ss = time_total_s % 60;
var text = "";
if (hh > 0 || textformat1_forceFull) {
text += hh + "h" + space;
};
if (mm > 0 || textformat1_forceFull) {
text += mm + "m" + space;
};
if (ss > 0 || textformat1_forceFull || !time_total_s) {
text += ss + "s";
};
return text;
}
function formatTime2(time_total_s) { // h:mm:ss (e.g 25:02 or 1:00:31 or 0:03)
var hh = Math.floor(time_total_s / 3600);
var mm = Math.floor((time_total_s % 3600) / 60);
var ss = time_total_s % 60;
var text = "";
if (hh > 0 || textformat2_forceFull) {
text += hh + ":";
}
if (hh > 0 && mm > 0) { // 1:01:22
if (mm < 10) {text += "0";}
}
text += mm + ":";
if (ss < 10) {text += "0"}
text += ss;
return text;
}
})();