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Add an indicator for watched videos on YouTube. Use GM menus to display history statistics, backup history, and restore history.
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// ==UserScript==
// @name Mark Watched YouTube Videos
// @namespace MarkWatchedYouTubeVideos
// @version 1.1.24
// @license AGPL v3
// @author jcunews
// @description Add an indicator for watched videos on YouTube. Use GM menus to display history statistics, backup history, and restore history.
// @website http://greasyfork.icu/en/users/85671-jcunews
// @match *://www.youtube.com/*
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @grant GM_setValue
// @run-at document-start
// ==/UserScript==
/*
Use ALT+LeftClick or ALT+RightClick on a video list item to manually toggle the watched marker. The mouse button is defined in the script and can be changed.
*/
(() => {
//=== config start ===
var maxWatchedVideoAge = 5 * 365; //number of days. set to zero to disable (not recommended)
var pageLoadMarkDelay = 400; //number of milliseconds to wait before marking video items on page load phase (increase if slow network/browser)
var contentLoadMarkDelay = 600; //number of milliseconds to wait before marking video items on content load phase (increase if slow network/browser)
var markerMouseButtons = [0, 1]; //one or more mouse buttons to use for manual marker toggle. 0=left, 1=right, 2=middle. e.g.:
//if `[0]`, only left button is used, which is ALT+LeftClick.
//if `[1]`, only right button is used, which is ALT+RightClick.
//if `[0,1]`, any left or right button can be used, which is: ALT+LeftClick or ALT+RightClick.
//=== config end ===
var watchedVideos, ageMultiplier = 24 * 60 * 60 * 1000;
function getVideoId(url) {
var vid = url.match(/\/watch(?:\?|.*?&)v=([^&]+)/);
if (vid) vid = vid[1] || vid[2];
return vid;
}
function watched(vid) {
return !!watchedVideos.entries[vid];
}
function processVideoItems(selector) {
var items = document.querySelectorAll(selector), i, link;
for (i = items.length-1; i >= 0; i--) {
if (link = items[i].querySelector("A")) {
if (watched(getVideoId(link.href))) {
items[i].classList.add("watched");
} else items[i].classList.remove("watched");
}
}
}
function processAllVideoItems() {
//home page
processVideoItems(".yt-uix-shelfslider-list>.yt-shelf-grid-item");
processVideoItems("#contents.ytd-rich-grid-renderer>ytd-rich-item-renderer,#contents.ytd-rich-shelf-renderer ytd-rich-item-renderer.ytd-rich-shelf-renderer");
//subscriptions page
processVideoItems(".multirow-shelf>.shelf-content>.yt-shelf-grid-item");
//channel/user home page
processVideoItems("#contents>.ytd-item-section-renderer>.ytd-newspaper-renderer,#items>.yt-horizontal-list-renderer"); //old
processVideoItems("#contents>.ytd-channel-featured-content-renderer,#contents>.ytd-shelf-renderer>#grid-container>.ytd-expanded-shelf-contents-renderer"); //new
//channel/user video page
processVideoItems(".yt-uix-slider-list>.featured-content-item,#items>.ytd-grid-renderer");
//channel/user playlist page
processVideoItems(".expanded-shelf>.expanded-shelf-content-list>.expanded-shelf-content-item-wrapper,.ytd-playlist-video-renderer");
//channel/user playlist item page
processVideoItems(".pl-video-list .pl-video-table .pl-video,ytd-playlist-panel-video-renderer");
//channel/user videos page
processVideoItems(".channels-browse-content-grid>.channels-content-item");
//channel/user search page
if (/^\/(?:channel|user)\/.*?\/search/.test(location.pathname)) {
processVideoItems(".ytd-browse #contents>.ytd-item-section-renderer"); //new
}
//search page
processVideoItems("#results>.section-list .item-section>li,#browse-items-primary>.browse-list-item-container"); //old
processVideoItems(".ytd-search #contents>.ytd-item-section-renderer"); //new
//video page sidebar
processVideoItems(".watch-sidebar-body>.video-list>.video-list-item,.playlist-videos-container>.playlist-videos-list>li"); //old
processVideoItems(".ytd-compact-video-renderer"); //new
}
function addHistory(vid, time, noSave) {
watchedVideos.entries[vid] = time;
watchedVideos.index.push(vid);
if (!noSave) GM_setValue("watchedVideos", JSON.stringify(watchedVideos));
}
function delHistory(index, noSave) {
delete watchedVideos.entries[watchedVideos.index[index]];
watchedVideos.index.splice(index, 1);
if (!noSave) GM_setValue("watchedVideos", JSON.stringify(watchedVideos));
}
function parseData(s, a) {
try {
s = JSON.parse(s);
//convert to new format if old format.
//old: [{id:<strVID>, timestamp:<numDate>}, ...]
//new: {entries:{<stdVID>:<numDate>, ...}, index:[<strVID>, ...]}
if (Array.isArray(s)) {
a = s;
s = {entries: {}, index: []};
a.forEach(o => {
s.entries[o.id] = o.timestamp;
s.index.push(o.id);
});
} else if (("object" !== typeof s) || ("object" !== typeof s.entries) || !Array.isArray(s.index)) return null;
return s;
} catch(z) {
return null;
}
}
function getHistory(a, b) {
a = GM_getValue("watchedVideos") || '{"entries": {}, "index": []}';
if (b = parseData(a)) {
watchedVideos = b;
} else a = JSON.stringify(watchedVideos = {entries: {}, index: []});
GM_setValue("watchedVideos", a);
}
function doProcessPage() {
//get list of watched videos
getHistory();
//remove old watched video history
var now = (new Date()).valueOf(), changed, vid;
if (maxWatchedVideoAge > 0) {
while (watchedVideos.index.length) {
if (((now - watchedVideos.entries[watchedVideos.index[0]]) / ageMultiplier) > maxWatchedVideoAge) {
delHistory(0, false);
changed = true;
} else break;
}
if (changed) GM_setValue("watchedVideos", JSON.stringify(watchedVideos));
}
//check and remember current video
if ((vid = getVideoId(location.href)) && !watched(vid)) addHistory(vid, now);
//mark watched videos
processAllVideoItems();
}
function processPage() {
setTimeout(doProcessPage, 200);
}
function toggleMarker(ele, i) {
if (ele) {
if (ele.href) {
i = getVideoId(ele.href);
} else {
ele = ele.parentNode;
while (ele) {
if (ele.tagName === "A") {
i = getVideoId(ele.href);
break;
}
ele = ele.parentNode;
}
}
if (i) {
if ((ele = watchedVideos.index.indexOf(i)) >= 0) {
delHistory(ele);
} else addHistory(i, (new Date()).valueOf());
processAllVideoItems();
}
}
}
var xhropen = XMLHttpRequest.prototype.open, xhrsend = XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.open = function(method, url) {
this.url_mwyv = url;
return xhropen.apply(this, arguments);
};
XMLHttpRequest.prototype.send = function(method, url) {
if ((/\/\w+_ajax\?|\/results\?search_query/).test(this.url_mwyv) && !this.listened_mwyv) {
this.listened_mwyv = 1;
this.addEventListener("load", () => {
setTimeout(processPage, Math.floor(pageLoadMarkDelay / 2));
});
}
return xhrsend.apply(this, arguments);
};
addEventListener("DOMContentLoaded", sty => {
sty = document.createElement("STYLE");
sty.innerHTML = `
.watched, .watched .yt-ui-ellipsis
{ background-color: #cec !important }
html[dark] .watched, html[dark] .watched .yt-ui-ellipsis,
.playlist-videos-container>.playlist-videos-list>li.watched,
.playlist-videos-container>.playlist-videos-list>li.watched>a,
.playlist-videos-container>.playlist-videos-list>li.watched .yt-ui-ellipsis
{ background-color: #030 !important }`;
document.head.appendChild(sty);
});
var lastFocusState = document.hasFocus();
addEventListener("blur", () => {
lastFocusState = false;
});
addEventListener("focus", () => {
if (!lastFocusState) processPage();
lastFocusState = true;
});
addEventListener("click", (ev) => {
if ((markerMouseButtons.indexOf(ev.button) >= 0) && ev.altKey) toggleMarker(ev.target);
});
if (markerMouseButtons.indexOf(1) >= 0) {
addEventListener("contextmenu", (ev) => {
if (ev.altKey) toggleMarker(ev.target);
});
}
if (window["body-container"]) { //old
addEventListener("spfdone", processPage);
processPage();
} else { //new
var t = 0;
function pl() {
clearTimeout(t);
t = setTimeout(processPage, 300);
}
(function init(vm) {
if (vm = document.getElementById("visibility-monitor")) {
vm.addEventListener("viewport-load", pl);
} else setTimeout(init, 100);
})();
(function init2(mh) {
if (mh = document.getElementById("masthead")) {
mh.addEventListener("yt-rendererstamper-finished", pl);
} else setTimeout(init2, 100);
})();
addEventListener("load", () => {
setTimeout(processPage, pageLoadMarkDelay);
});
addEventListener("spfprocess", () => {
setTimeout(processPage, contentLoadMarkDelay);
});
}
GM_registerMenuCommand("Display History Statistics", () => {
function sum(r, v) {
return r + v;
}
function avg(arr) {
return Math.round(arr.reduce(sum, 0) / arr.length);
}
var pd, pm, py, ld = [], lm = [], ly = [];
getHistory();
Object.keys(watchedVideos.entries).forEach((k, t) => {
t = new Date(watchedVideos.entries[k]);
if (!pd || (pd !== t.getDate())) {
ld.push(1);
pd = t.getDate();
} else ld[ld.length - 1]++;
if (!pm || (pm !== (t.getMonth() + 1))) {
lm.push(1);
pm = t.getMonth() + 1;
} else lm[lm.length - 1]++;
if (!py || (py !== t.getFullYear())) {
ly.push(1);
py = t.getFullYear();
} else ly[ly.length - 1]++;
});
alert(`\
Number of entries: ${watchedVideos.index.length}
Oldest entry: ${(new Date(watchedVideos.entries[watchedVideos.index[0]])).toLocaleString()}
Newest entry: ${(new Date(watchedVideos.entries[watchedVideos.index[watchedVideos.index.length - 1]])).toLocaleString()}
Average viewed videos per day: ${avg(ld)}
Average viewed videos per month: ${avg(lm)}
Average viewed videos per year: ${avg(ly)}\
`);
});
GM_registerMenuCommand("Backup History Data", (a, b) => {
document.body.appendChild(a = document.createElement("A")).href = URL.createObjectURL(new Blob([JSON.stringify(watchedVideos)], {type: "application/json"}));
a.download = `MarkWatchedYouTubeVideos_${(new Date()).toISOString()}.json`;
a.click();
a.remove();
URL.revokeObjectURL(a.href);
});
GM_registerMenuCommand("Restore History Data", (a, b) => {
(a = document.createElement("DIV")).id = "mwyvrh_ujs";
a.innerHTML = `<style>
#mwyvrh_ujs{
display:flex;position:fixed;z-index:99999;left:0;top:0;right:0;bottom:0;margin:0;border:none;padding:0;background:rgb(0,0,0,0.5);
color:#000;font-family:sans-serif;font-size:12pt;line-height:12pt;font-weight:normal;cursor:pointer;
}
#mwyvrhb_ujs{
margin:auto;border:.3rem solid #007;border-radius:.3rem;padding:.5rem;background-color:#fff;cursor:auto;
}
#mwyvrht_ujs{margin-bottom:1rem;font-size:14pt;line-height:14pt;font-weight:bold}
#mwyvrhi_ujs{display:block;margin:1rem auto .5rem auto;width:12rem;overflow:hidden}
</style>
<div id="mwyvrhb_ujs">
<div id="mwyvrht_ujs">Mark Watched YouTube Videos</div>
Please select a file to restore history data from.
<input id="mwyvrhi_ujs" type="file" multiple />
</div>`;
a.onclick = e => {
(e.target === a) && a.remove();
};
(b = a.querySelector("#mwyvrhi_ujs")).oninput = r => {
r = new FileReader();
r.onload = o => {
if (o = parseData(r = r.result)) {
if (confirm(`Selected history data file contains ${o.index.length} entries.\n\nRestore from this data?`)) {
watchedVideos = o;
GM_setValue("watchedVideos", r);
a.remove();
}
} else alert("Invalid history data file.");
};
r.readAsText(b.files[0]);
};
document.documentElement.appendChild(a);
b.click();
});
})();