Raw Source
jesus2099 / mb. INLINE STUFF

// ==UserScript==
// @name         mb. INLINE STUFF
// @version      2021.2.11.1823
// @description  musicbrainz.org: Release page: Inline recording names, comments, ISRC and AcoustID. Direct CAA add link if none. Highlight duplicates in releases and edits. Recording page: millisecond display, spot track length and title variations.
// @namespace    https://github.com/jesus2099/konami-command
// @supportURL   https://github.com/jesus2099/konami-command/labels/mb_INLINE-STUFF
// @downloadURL  https://github.com/jesus2099/konami-command/raw/master/mb_INLINE-STUFF.user.js
// @author       jesus2099
// @licence      CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/
// @licence      GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @since        2010-07-09; https://web.archive.org/web/20131103163358/userscripts.org/scripts/show/81127 / https://web.archive.org/web/20141011084022/userscripts-mirror.org/scripts/show/81127 / https://web.archive.org/web/20131104205636/userscripts.org/scripts/show/166877 / https://web.archive.org/web/20141011084010/userscripts-mirror.org/scripts/show/166877
// @icon         data:image/gif;base64,R0lGODlhEAAQAKEDAP+/3/9/vwAAAP///yH/C05FVFNDQVBFMi4wAwEAAAAh/glqZXN1czIwOTkAIfkEAQACAwAsAAAAABAAEAAAAkCcL5nHlgFiWE3AiMFkNnvBed42CCJgmlsnplhyonIEZ8ElQY8U66X+oZF2ogkIYcFpKI6b4uls3pyKqfGJzRYAACH5BAEIAAMALAgABQAFAAMAAAIFhI8ioAUAIfkEAQgAAwAsCAAGAAUAAgAAAgSEDHgFADs=
// @require      https://cdn.jsdelivr.net/gh/jesus2099/konami-command@ab3d205ab8a9897ac3ef23075fda26bed07ca342/lib/COOL-BUBBLES.js?v=2016.6.1.1310
// @require      https://cdn.jsdelivr.net/gh/jesus2099/konami-command@4fa74ddc55ec51927562f6e9d7215e2b43b1120b/lib/SUPER.js?v=2018.3.14
// @grant        none
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/[^/]+\/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}\/(open_)?edits/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/artist\/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}\/recordings/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/edit\/\d+/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/edit\/subscribed/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/isrc\//
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/recording\/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}(?!\/edit$)/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/release\/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}([^/]|$|\/disc\/\d+)/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/search\/edits\?/
// @include      /^https?:\/\/(\w+\.)?musicbrainz\.org\/user\/[^/]+\/edits/
// @run-at       document-end
// ==/UserScript==
"use strict";
/* - --- - --- - --- - START OF CONFIGURATION - --- - --- - --- - */
var dupeColour = "pink";
var infoColour = "lightcyan";
var contractFingerPrints = true; /* more compact AcoustIDs but brwoser can still inline search/find full AcoustID */
	/* track/recording name diff: null for no marking and no inline recording disambiguation comment either,
	"" for no name change, %br% is return to new line feed
	ex.: "%track-name%*", "%track-name% (%recording-name%)" or even %recording-name% */
var markTrackRecNameDiff = "%track-name%%br%%recording-name%";
var recUseInRelationshipLink = "+relate"; /* null or delete for no such tool */
var recAddToMergeLink = "+merge"; /* null or delete for no such tool */
var formatISRC = true; // Turn USJT19900112 into coloured US-JT1-99-00112 (country-label-year-number)
var trackLengthDiffInfo = 5000; // ms
var trackLengthDiffWarn = 15000; // ms
/* - --- - --- - --- - END OF CONFIGURATION - --- - --- - --- - */
var userjs = "jesus2099userjs81127";
var MBS = self.location.protocol + "//" + self.location.host;
var hasDupes = { ISRC: 0, AcoustID: 0 };
var shownisrcs = [];
var shownacoustids = [];
var shownworks = {count: 0};
var isrcURL = "/isrc/%s";
var acoustidURL = "//acoustid.org/track/%s";
var releasewsURL = "/ws/2/release/%s/?inc=recordings+isrcs"; /* http://wiki.musicbrainz.org/XMLWebService#release_resources */
var str_GUID = "[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}";
var re_GUID = new RegExp(str_GUID, "i");
var AcoustIDlinkingURL = "//acoustid.org/edit/toggle-track-mbid?track_gid=%acoustid&mbid=%mbid&state=%state";
var css_recording = "td:not(.pos):not(.video) > a[href^='/recording/'], td:not(.pos):not(.video) > :not(div):not(.ars) a[href^='/recording/']";
var css_work = "td:not(.pos):not(.video) div.ars > dl.ars > dd > a[href^='/work/'], td:not(.pos):not(.video) div.ars > dl.ars > dd > span.mp > a[href^='/work/']";
var tracksHtml = null;
var pagecat = self.location.pathname.match(/\/show\/edit\/|\/mod\/search\/|\/edit|\/edits|\/open_edits/i) ? "edits" : "release";
if (self.location.pathname.match(/\/recordings/i)) { pagecat = "recordings"; }
if (pagecat != "edits" && self.location.pathname.match(/^\/recording\//i)) { pagecat = "recording"; }
if (self.location.pathname.match(/^\/isrc\//)) { pagecat = "isrc"; }
const pageMbid = self.location.pathname.match(re_GUID);
var css = document.createElement("style");
css.setAttribute("type", "text/css");
document.head.appendChild(css);
css = css.sheet;
css.insertRule("div#page table.add-isrcs tbody a[href^='/isrc/'], div#page table.merge-recordings tbody a[href^='/isrc/'], div#page table.remove-isrc tbody a[href^='/isrc/'], div#page table." + userjs + "-has-isrcs tbody a[href^='/isrc/'] { white-space: nowrap !important; }", 0);
if (pagecat) {
	switch (pagecat) {
		case "release":
			// CAA tab / Add link
			var CAAtab = document.querySelector("div.tabs > ul.tabs > li > a[href$='/cover-art']");
			if (CAAtab && CAAtab.textContent.match(/\(0\)$/)) {
				CAAtab.setAttribute("href", CAAtab.getAttribute("href").replace(/cover-art/, "add-cover-art"));
				CAAtab.style.setProperty("background-color", "#FF6");
				CAAtab.replaceChild(document.createTextNode("Add Cover Art"), CAAtab.firstChild);
			}
			// Tracklist stuff
			css.insertRule("a[" + userjs + "recname] { text-shadow: 1px 2px 2px #999; color: maroon }", 0);
			if (contractFingerPrints) {
				css.insertRule("div.ars[class^='ars AcoustID'] code { display: inline-block; overflow-x: hidden; vertical-align: bottom; width: 6ch}", 0);
			}
			if (pageMbid && (tracksHtml = document.querySelectorAll("div#content > table.tbl > tbody > tr[id]:not(.subh)")).length > 0) {
				if (recUseInRelationshipLink || recAddToMergeLink) {
					for (var ith = 0; ith < tracksHtml.length; ith++) {
						var toolzone = tracksHtml[ith].querySelector("td.treleases");
						if (toolzone) {
							toolzone = toolzone.appendChild(document.createElement("div"));
							toolzone.className = userjs + "toolzone";
							toolzone.style.setProperty("display", "none");
							var rec = tracksHtml[ith].querySelector(css_recording);
							if (recUseInRelationshipLink && rec) {
								toolzone.appendChild(createA(recUseInRelationshipLink, rec.getAttribute("href") + "/relate", "Use this recording in a relationship…"));
							}
							var rat = tracksHtml[ith].querySelector("span.star-rating a.set-rating");
							if (recAddToMergeLink && rat) {
								if (recUseInRelationshipLink) { toolzone.appendChild(document.createElement("br")); }
								toolzone.appendChild(createA(recAddToMergeLink, "/recording/merge_queue?add-to-merge=" + rat.getAttribute("href").match(/id=([0-9]+)/)[1], "Merge this recording…"));
							}
							toolzone = toolzone.parentNode.appendChild(document.createElement("div"));
							toolzone.className = userjs + "editbutt";
							toolzone.style.setProperty("display", "none");
							toolzone.appendChild(createA("Edit", rec.getAttribute("href") + "/edit", "Edit this recording"));
							toolzone = toolzone.parentNode.appendChild(document.createElement("div"));
							toolzone.className = userjs + "openEdits";
							toolzone.style.setProperty("display", "none");
							toolzone.appendChild(createA("Open", rec.getAttribute("href") + "/open_edits", "Recording open edits"));
							toolzone.appendChild(document.createTextNode(" "));
							toolzone.appendChild(createA("edits", rec.getAttribute("href") + "/edits", "Recording edit history"));
						}
						var works = tracksHtml[ith].querySelectorAll(css_work);
						if (works) {
							for (var w = 0; w < works.length; w++) {
								var workid = works[w].getAttribute("href").match(new RegExp("/work/(" + str_GUID + ")$"));
								if (workid) {
									if (!shownworks[workid[1]]) {
										shownworks[workid[1]] = 0;
										shownworks.count++;
									}
									shownworks[workid[1]]++;
								}
							}
						}
					}
				}
				idCount("Track", tracksHtml.length);
				if (shownworks.count > 0) { idCount("Work", shownworks.count); }
				let xhr = new XMLHttpRequest();
				xhr.onreadystatechange = isrcFish;
				coolBubble.info("Loading “" + document.querySelector("h1").textContent + "” shadow release…");
				xhr.open("GET", MBS + releasewsURL.replace(/%s/, pageMbid), true);
				xhr.overrideMimeType("text/xml");
				xhr.send(null);
			}
			break;
		case "isrc":
			if (formatISRC) {
				let ISRCcode = document.querySelector("h1 code");
				ISRCcode.replaceChild(coolifyISRC(ISRCcode.textContent), ISRCcode.firstChild);
			}
			break;
		case "recordings":
			document.querySelector("div#content table.tbl").classList.add(userjs + "-has-isrcs"); // for later duplicate spot
			// fall through
		case "edits":
			var iedits = document.querySelectorAll("div#page table.add-isrcs, div#page table.merge-recordings, div#page table.remove-isrc, div#page table." + userjs + "-has-isrcs");
			for (var ied = 0; ied < iedits.length; ied++) {
				shownisrcs = [];
				var as = iedits[ied].getElementsByTagName("a");
				for (var ia = 0; ia < as.length; ia++) {
					var href = as[ia].getAttribute("href").match(/isrc[=/]([^?]+)$/);
					if (href) {
						as[ia].replaceChild(coolifyISRC(as[ia].textContent), as[ia].firstChild);
						if (shownisrcs[href[1]]) {
							hasDupes.ISRC++;
							shownisrcs[href[1]].style.setProperty("background-color", dupeColour);
							as[ia].style.setProperty("background-color", dupeColour);
						} else {
							shownisrcs[href[1]] = as[ia];
						}
					}
				}
			}
			break;
		case "recording":
			// format sidebar ISRCs
			if (formatISRC) {
				var sideBarISRCs = document.querySelectorAll("div#sidebar dd.isrc a[href^='/isrc']");
				for (var i = 0; i < sideBarISRCs.length; i++) {
					sideBarISRCs[i].replaceChild(coolifyISRC(sideBarISRCs[i].textContent), sideBarISRCs[i].firstChild);
				}
			}
			// from mb_INLINE-TRACK-ARTIST
			var tracks = document.querySelectorAll("div#content table.tbl > tbody > tr");
			if (pageMbid && tracks.length > 0) {
				/* locate length, track title and release artist columns */
				var lengthColumnIndex = getParent(tracks[0], "table").querySelector("thead > tr > th.treleases").cellIndex + 1;
				var trackTitleColumnIndex = lengthColumnIndex - 1;
				if (trackTitleColumnIndex && lengthColumnIndex) {
					let xhr = new XMLHttpRequest();
					xhr.addEventListener("load", function(event) {
						var wsRecording = this.responseXML;
						if (
							this.status == 200
							&& (wsRecording = wsRecording.documentElement)
						) {
							var wsRecordingLength = wsRecording.querySelector("recording > length");
							wsRecordingLength = wsRecordingLength ? parseInt(wsRecordingLength.textContent, 10) : 0;
							var trackLengthCell = document.querySelector("div#sidebar dl.properties dd.length");
							if (trackLengthCell) { trackLengthCell.replaceChild(document.createTextNode(time(wsRecordingLength)), trackLengthCell.firstChild); }
							var wsTracks = wsRecording.querySelectorAll("recording[id='" + pageMbid + "'] > release-list > release > medium-list > medium > track-list > track");
							for (var wst = 0; wst < wsTracks.length; wst++) {
								var wsRelease = getParent(wsTracks[wst], "release");
								var wsReleaseMBID;
								var wsPosition = wsTracks[wst].parentNode.parentNode.querySelector("position");
								var wsTrackPosition = wsTracks[wst].parentNode.getAttribute("offset");
								if (
									wsRelease
									&& (wsReleaseMBID = wsRelease.getAttribute("id"))
									&& wsPosition && (wsPosition = wsPosition.textContent)
									&& wsTrackPosition && (wsTrackPosition = parseInt(wsTrackPosition, 10) + 1)
								) {
									for (var t = 0; t < tracks.length; t++) {
										if (tracks[t].querySelector("a[href*='/release/']") && tracks[t].querySelector("a[href*='/release/']").getAttribute("href").indexOf(wsReleaseMBID) > 0 && tracks[t].querySelector("td:first-of-type").textContent.trim() == wsPosition + "." + wsTrackPosition) {
											/* display recording/track title discrepency */
											var trackTitleCell = tracks[t].querySelector("td:nth-child(" + trackTitleColumnIndex + ")");
											if (trackTitleCell) {
												var trackTitle = document.querySelector("h1 a");
												var wsTrackTitle = wsTracks[wst].querySelector("title");
												if (trackTitle && wsTrackTitle && trackTitle.textContent != wsTrackTitle.textContent) {
													trackTitleCell.firstChild.setAttribute("title", "≠ " + trackTitle.textContent);
													trackTitleCell.firstChild.classList.add("name-variation");
												}
											}
											/* display recording/track length discrepency */
											trackLengthCell = tracks[t].querySelector("td:nth-child(" + lengthColumnIndex + ")");
											if (trackLengthCell) {
												var wsTrackLength = wsTracks[wst].querySelector("length");
												if (wsTrackLength && (wsTrackLength = parseInt(wsTrackLength.textContent, 10))) {
													let trackLengthSpan = createTag("span", {}, document.createTextNode(time(wsTrackLength)));
													trackLengthCell.replaceChild(trackLengthSpan, trackLengthCell.firstChild);
													if (wsTrackLength <= wsRecordingLength - trackLengthDiffInfo || wsTrackLength >= wsRecordingLength + trackLengthDiffInfo) {
														trackLengthSpan.classList.add("name-variation");
														trackLengthSpan.setAttribute("title", "more than " + time(trackLengthDiffInfo) + " away from " + time(wsRecordingLength));
														if (wsTrackLength <= wsRecordingLength - trackLengthDiffWarn || wsTrackLength >= wsRecordingLength + trackLengthDiffWarn) {
															trackLengthSpan.classList.add("warn-lengths");
															trackLengthSpan.setAttribute("title", "more than " + time(trackLengthDiffWarn) + " away from " + time(wsRecordingLength));
														}
													}
												}
											}
											break;
										}
									}
								}
							}
						} else {
							coolBubble.error("Error " + this.status + (this.statusText ? " “" + this.statusText + "”" : "") + " while fetching inline track stuff.");
						}
					});
					xhr.addEventListener("error", function(event) {
						coolBubble.error("Error " + this.status + (this.statusText ? " “" + this.statusText + "”" : "") + " while fetching inline track stuff.");
					});
					coolBubble.info("Loading “" + document.querySelector("h1").textContent + "” shadow recording…");
					xhr.open("get", self.location.protocol + "//" + self.location.host + "/ws/2/recording?query=rid:" + pageMbid, true);
					xhr.overrideMimeType("text/xml");
					xhr.send(null);
				}
			}
	}
}

function createA(text, link, title, target) {
	var a = document.createElement("a");
	if (typeof text == "string") { a.appendChild(document.createTextNode(text)); } else { a.appendChild(text); }
	if (link) { a.setAttribute("href", link); } else { a.style.setProperty("cursor", "pointer"); }
	if (title) { a.setAttribute("title", title); }
	if (target) { a.setAttribute("target", target); }
	return a;
}

function addAfter(newNode, existingNode) {
	if (newNode && existingNode) {
		if (existingNode.nextSibling) {
			return existingNode.parentNode.insertBefore(newNode, existingNode.nextSibling);
		} else {
			return existingNode.parentNode.appendChild(newNode);
		}
	} else {
		return null;
	}
}

function isrcFish() {
	if (this.readyState == 4 && this.status == 200 && tracksHtml) {
		if (document.body.classList.contains("MMR2099userjs120382")) { // linked to mb_MASS-MERGE-RECORDINGS
			coolBubble.warn("INLINE STUFF abandoned in favour of MASS MERGE session.");
		} else {
			var res = this.responseXML;
			var isrcNet = {};
			var recnameNet = {};
			var acoustidNet = [];
			var tracks = res.evaluate("//mb:recording", res, nsr, XPathResult.ANY_TYPE, null);
			var track;
			for (var pos = 1; (track = tracks.iterateNext()) !== null; pos++) {
				var trackMBID = track.getAttribute("id");
				if (acoustidNet.indexOf(trackMBID) < 0) { acoustidNet.push(trackMBID); }
				isrcNet[trackMBID] = [];
				recnameNet[trackMBID] = {};
				var isrcs = res.evaluate(".//mb:isrc", track, nsr, XPathResult.ANY_TYPE, null);
				var isrc;
				while ((isrc = isrcs.iterateNext()) !== null) {
					isrcNet[trackMBID].push(isrc.getAttribute("id"));
				}
				var recnames = res.evaluate(".//mb:title/text()", track, nsr, XPathResult.ANY_TYPE, null);
				var recname;
				while ((recname = recnames.iterateNext()) !== null) {
					recnameNet[trackMBID].name = recname.textContent;
				}
				var recdisambigs = res.evaluate(".//mb:disambiguation/text()", track, nsr, XPathResult.ANY_TYPE, null);
				var recdisambig;
				while ((recdisambig = recdisambigs.iterateNext()) !== null) {
					recnameNet[trackMBID].comment = recdisambig.textContent;
				}
			}
			acoustidFishBatch(acoustidNet);
			for (var i = 0; i < tracksHtml.length; i++) {
				var aRec = tracksHtml[i].querySelector(css_recording);
				if (aRec) {
					var mbid = aRec.getAttribute("href").match(re_GUID);
					var trackTitleCell = tracksHtml[i].querySelector("td:not(.pos):not(.video)");
					if (isrcNet[mbid].length > 0) {
						insertBeforeARS(trackTitleCell, createStuffFragment("ISRC", isrcNet[mbid], shownisrcs, isrcURL, null, mbid));
					}
					var sameCompleteName = aRec.textContent == recnameNet[mbid].name + " (" + recnameNet[mbid].comment + ")";
					if (aRec.textContent != recnameNet[mbid].name && !sameCompleteName) {
						aRec.setAttribute("title", "track name: " + aRec.textContent + "\n≠rec. name: " + recnameNet[mbid].name);
						if (markTrackRecNameDiff) {
							if (typeof markTrackRecNameDiff == "string") {
								var trackNameFragment = document.createDocumentFragment();
								var trackNameRows = markTrackRecNameDiff.replace(/%track-name%/ig, aRec.textContent).replace(/%recording-name%/ig, recnameNet[mbid].name).split("%br%");
								for (var row = 0; row < trackNameRows.length; row++) {
									if (row > 0) {
										trackNameFragment.appendChild(document.createElement("br"));
									}
									trackNameFragment.appendChild(document.createTextNode(trackNameRows[row]));
								}
								aRec.setAttribute(userjs + "recname", aRec.textContent); // linked in mb_MASS-MERGE-RECORDINGS, mb_PLAIN-TEXT-TRACKLIST, mb_COLLECTION-HIGHLIGHTER
								aRec.replaceChild(trackNameFragment, aRec.firstChild);
							}
						}
					}
					if (markTrackRecNameDiff && recnameNet[mbid].comment && !sameCompleteName) {
						var recdis = document.createElement("span");
						recdis.classList.add(userjs + "recdis"); // linked in mb_MASS-MERGE-RECORDINGS, mb_PLAIN-TEXT-TRACKLIST
						recdis.classList.add("comment");
						recdis.appendChild(document.createTextNode(" (" + recnameNet[mbid].comment + ")"));
						addAfter(recdis, aRec);
					}
				}
			}
			shownisrcs = count(shownisrcs);
			idCount("ISRC", shownisrcs);
		}
	} else if (this.readyState == 4 && this.status > 200) {
		coolBubble.error("Error " + this.status + (this.statusText ? " “" + this.statusText + "”" : "") + " while fetching MB inline stuff.");
	}
}

function createStuffFragment(stufftype, stuffs, shownstuffs, url, trackid, recid) {
	var td = document.createElement("dd");
	for (var i = 0; i < stuffs.length; i++) {
		var adisabled = (stufftype == "AcoustID" && stuffs[i][1]);
		var stuff = (stufftype == "AcoustID" ? stuffs[i][0] : stuffs[i]);
		if (i > 0) {
			td.appendChild(document.createTextNode(", "));
		}
		var a = document.createElement("a");
		a.style.setProperty("white-space", "nowrap");
		a.setAttribute("href", url.replace(/%s/, stuff));
		var code = document.createElement("code");
		if (stufftype == "ISRC") {
			code = formatISRC ? coolifyISRC(stuff) : document.createTextNode(stuff);
		} else {
			// AcoustID
			code.appendChild(document.createTextNode(stuff));
		}
		a.appendChild(code);
		if (adisabled) {
			code.style.setProperty("text-decoration", "line-through");
			code.style.setProperty("opacity", ".2");
			a.addEventListener("mouseover", function(event) { this.firstChild.style.removeProperty("text-decoration"); this.firstChild.style.removeProperty("opacity"); }, false);
			a.addEventListener("mouseout", function(event) { this.firstChild.style.setProperty("text-decoration", "line-through"); this.firstChild.style.setProperty("opacity", ".2"); }, false);
		}
		td.appendChild(a);
		if (!adisabled) {
			if (shownstuffs[stuff]) {
				var bgColour = dupeColour;
				if (recid && shownstuffs[stuff]["recid"] == recid) {
					bgColour = infoColour;
				} else {
					hasDupes[stufftype]++;
				}
				if (shownstuffs[stuff]["a"].style.getPropertyValue("background-color") != dupeColour) {
					shownstuffs[stuff]["a"].style.setProperty("background-color", bgColour);
				}
				a.style.setProperty("background-color", bgColour);
			} else {
				shownstuffs[stuff] = { "a": a, "trackid": trackid, "recid": recid };
			}
		}
		if (stufftype == "AcoustID") {
			a.parentNode.appendChild(togAID(recid, stuff, adisabled));
		}
	}
	var tr = document.createElement("dl");
	tr.className = "ars";
	tr.appendChild(document.createElement("dt").appendChild(document.createTextNode(stufftype + (stuffs.length > 1 ? "s" : "") + ":")).parentNode);
	tr.appendChild(td);
	var table = document.createElement("div");
	table.className = "ars " + stufftype + "81127";
	table.style.setProperty("display", localStorage.getItem("hide" + stufftype + "81127") == "1" ? "none" : "block");
	table.appendChild(tr);
	return table;
}

function togAID(rec, aid, dis) {
	var acoustracktoggle = createA(dis ? "+" : "×", AcoustIDlinkingURL.replace(/%acoustid/, aid).replace(/%mbid/, rec).replace(/%state/, dis ? "0" : "1"), dis ? "Link AcoustID to this recording" : "Unlink AcoustID from this recording", "_blank");
	acoustracktoggle.style.setProperty("color", dis ? "green" : "red");
	return acoustracktoggle;
}

function insertBeforeARS(par, chi) {
	var ars = par.getElementsByClassName("ars");
	if (ars.length > 0) {
		return par.insertBefore(chi, ars[0]);
	} else {
		return par.appendChild(chi);
	}
}

function nsr(prefix) {
	switch (prefix) {
		case "mb":
			return "http://musicbrainz.org/ns/mmd-2.0#";
		default:
			return null;
	}
}

var bonusclicks = [];
function idCount(type, count) {
	var idCountZone = document.querySelector("div#sidebar div#" + userjs + "idcountzone");
	if (!idCountZone) {
		idCountZone = document.querySelector("div#sidebar > dl.properties").appendChild(document.createElement("div"));
		idCountZone.setAttribute("id", userjs + "idcountzone");
		idCountZone.style.setProperty("border", "1px dashed silver");
		var showOE = idCountZone.appendChild(document.createElement("dd")).appendChild(document.createElement("label")).appendChild(document.createElement("input"));
		showOE.setAttribute("type", "checkbox");
		showOE.parentNode.appendChild(document.createTextNode(" Show recording open edits"));
		showOE.addEventListener("click", function(event) {
			var openEditLinks = document.querySelectorAll("div." + userjs + "openEdits");
			for (var oe = 0; oe < openEditLinks.length; oe++) {
				openEditLinks[oe].style.setProperty("display", this.checked ? "block" : "none");
			}
		});
		var showTZ = idCountZone.appendChild(document.createElement("dd")).appendChild(document.createElement("label")).appendChild(document.createElement("input"));
		showTZ.setAttribute("type", "checkbox");
		showTZ.parentNode.appendChild(document.createTextNode(" Show relate/merge tools"));
		showTZ.addEventListener("click", function(event) {
			var tzs = document.querySelectorAll("div." + userjs + "toolzone");
			for (var tz = 0; tz < tzs.length; tz++) {
				tzs[tz].style.setProperty("display", this.checked ? "block" : "none");
			}
		}, false);
		var showEB = idCountZone.appendChild(document.createElement("dd")).appendChild(document.createElement("label")).appendChild(document.createElement("input"));
		showEB.setAttribute("type", "checkbox");
		showEB.parentNode.appendChild(document.createTextNode(" Show Edit rec. buttons"));
		showEB.addEventListener("click", function(event) {
			var ebs = document.querySelectorAll("div." + userjs + "editbutt");
			for (var eb = 0; eb < ebs.length; eb++) {
				ebs[eb].style.setProperty("display", this.checked ? "block" : "none");
			}
		}, false);
	}
	if (count != 0) {
		var errorMsg = { "-20": "acoustid.org unreachable", "-21": "Strange result from acoustid.org" };
		var cooldt = idCountZone.appendChild(document.createElement("dt")).appendChild(document.createTextNode(type + (count > 1 ? "s" : "") + ":")).parentNode;
		var cooldd = idCountZone.appendChild(document.createElement("dd")).appendChild(document.createTextNode(count < 0 ? errorMsg[count] + " (or\u00a0something\u00a0like\u00a0that)" : count)).parentNode;
		if (count < 0) {
			cooldt.setAttribute("title", "Error " + count);
			cooldt.style.setProperty("background-color", dupeColour);
		} else if (count >= 0 && type != "Track" && type != "Work") {
			if (hasDupes[type] > 0) {
				cooldt.setAttribute("title", "There " + (hasDupes[type] == 1 ? "is 1" : "are " + hasDupes[type]) + " duplicate" + (hasDupes[type] == 1 ? "" : "s"));
				cooldt.style.setProperty("background-color", dupeColour);
			}
			cooldd.appendChild(document.createTextNode(" ("));
			var typetoggle = cooldd.appendChild(createA(localStorage.getItem("hide" + type + "81127") == "1" ? "show" : "hide", null, "shift+click to hide/show all"));
			typetoggle.style.setProperty("cursor", "pointer");
			typetoggle.setAttribute("id", "tog81127" + type);
			typetoggle.addEventListener("click", function(event) {
				var type =  this.getAttribute("id").match(/^tog81127([a-z]+)$/i)[1];
				var show = (this.textContent == "show");
				localStorage.setItem("hide" + type + "81127", show ? "0" : "1");
				var togstuffs = document.getElementsByClassName(type + 81127);
				for (var itog = 0; itog < togstuffs.length; itog++) {
					togstuffs[itog].style.setProperty("display", show ? "block" : "none");
				}
				this.replaceChild(document.createTextNode(show ? "hide" : "show"), this.firstChild);
				if (event.shiftKey && bonusclicks.length == 0) {
					let showHideARSButt = document.querySelector("a." + (show ? "show" : "hide") + "-credits");
					if (showHideARSButt) {
						showHideARSButt[0].click();
					} else {
						var ars = document.querySelectorAll("div.ars");
						for (var iar = 0; iar < ars.length; iar++) {
							ars[iar].style.setProperty("display", show ? "block" : "none");
						}
					}
					let showToolZones = document.querySelectorAll("div#sidebar div#" + userjs + "idcountzone input[type='checkbox']");
					if (showToolZones) {
						for (var stz = 0; stz < showToolZones.length; stz++) {
							if (showToolZones[stz].checked != show) showToolZones[stz].click();
						}
					}
					var otogs = ["AcoustID", "ISRC"];
					for (var iotog = 0; iotog < otogs.length; iotog++) {
						var togid = "tog81127" + otogs[iotog];
						var toglnk = document.getElementById(togid);
						if (this.id != togid && toglnk && toglnk.textContent == (show ? "show" : "hide")) {
							bonusclicks.push(toglnk);
						}
					}
				}
				if (bonusclicks.length > 0) {
					bonusclicks.pop().click();
				}
			}, false); // onclick
			cooldd.appendChild(document.createTextNode(")"));
		}
	}
}

function coolifyISRC(isrc) {
	function truc(txt, i) {
		var ivt = document.createElement("span");
		ivt.appendChild(document.createTextNode(txt));
		if (i) {
			ivt.style.setProperty("color", "red");
			ivt.style.setProperty("margin", "0 .1em");
			ivt.style.setProperty("text-shadow", "1px 2px 2px yellow");
		}
		return ivt;
	}
	if (isrc.match(/[a-z]{2}-?[a-z0-9]{3}-?[0-9]{2}-?[0-9]{5}/i)) {
		var coolISRC = document.createElement("code");
		coolISRC.appendChild(truc(isrc.substr(0, 2), true));
		coolISRC.appendChild(truc("-" + isrc.substr(2, 3) + "-", false));
		coolISRC.appendChild(truc(isrc.substr(5, 2), true));
		coolISRC.appendChild(truc("-" + isrc.substr(7, 5), false));
		return coolISRC;
	} else {
		return document.createTextNode(isrc);
	}
}

// https://web.archive.org/web/20130130164824/tiffanybbrown.com/presentations/2011/xhr2/
function acoustidFishBatch(recids) {
	if (recids.length > 0) {
		let xhr = new XMLHttpRequest();
		xhr.onload = function(event) {
			var res = this.responseXML;
			var wsstatus, mbids;
			if (
				this.status == 200
				&& (res = res.documentElement)
				&& (wsstatus = res.querySelector("response > status"))
				&& wsstatus.textContent == "ok"
				&& (mbids = res.querySelectorAll("response > mbids > mbid > mbid:not(:empty)"))
			) {
				var acoustids = {};
				for (var m = 0; m < mbids.length; m++) {
					var mbid = mbids[m].textContent;
					if (mbid && mbid.match(re_GUID)) {
						if (!acoustids[mbid]) { acoustids[mbid] = []; }
						var trackids = mbids[m].parentNode.querySelectorAll("track > id:not(:empty)");
						for (var ti = 0; ti < trackids.length; ti++) {
							var trackid = trackids[ti].firstChild.textContent;
							if (trackid && trackid.match(re_GUID)) {
								var disabled = trackids[ti].parentNode.querySelector("disabled");
								disabled = disabled && disabled.textContent.match(/true/i);
								var duo = [trackid, disabled];
								if (disabled) {
									acoustids[mbid].push(duo);
								} else {
									acoustids[mbid].unshift(duo);
								}
							}
						}
					}
				}
				for (var th = 0; th < tracksHtml.length; th++) {
					var recmbid, trackTitleCell;
					if (
						(recmbid = tracksHtml[th].querySelector(css_recording))
						&& (recmbid = recmbid.getAttribute("href").match(new RegExp("/(" + str_GUID + ")$")))
						&& (recmbid = recmbid[1])
						&& acoustids[recmbid].length > 0
						&& (trackTitleCell = tracksHtml[th].querySelector("td:not(.pos):not(.video)"))
					) {
						insertBeforeARS(trackTitleCell, createStuffFragment("AcoustID", acoustids[recmbid], shownacoustids, acoustidURL, null, recmbid));
					}
				}
			} else {
				shownacoustids = -21;
				coolBubble.error("Error parsing AcoustIDs.");
			}
			shownacoustids = count(shownacoustids);
			idCount("AcoustID", shownacoustids);
		};
		xhr.onerror = function(event) {
			idCount("AcoustID", -20);
			coolBubble.error("Error " + this.status + (this.statusText ? " “" + this.statusText + "”" : "") + " while fetching AcoustIDs.");
		};
		coolBubble.info("Loading AcoustIDs…");
		xhr.open("post", "//api.acoustid.org/v2/track/list_by_mbid", true);
		var params = "client=A6AsOfBc&format=xml&batch=1&disabled=1";
		for (var m = 0; m < recids.length; m++) {
			params += "&mbid=" + recids[m];
		}
		xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xhr.overrideMimeType("text/xml");
		xhr.send(params);
	}
}

function count(hash) {
	var count = 0;
	for (var key in hash) if (Object.prototype.hasOwnProperty.call(hash, key)) {
		count += 1;
	}
	return count;
}
function time(_ms) {
	var ms = typeof _ms == "string" ? parseInt(_ms, 10) : _ms;
	if (ms > 0) {
		var d = new Date(ms);
		return (d.getUTCHours() > 0 ? d.getUTCHours() + ":" + (d.getUTCMinutes() / 100).toFixed(2).slice(2) : d.getUTCMinutes()) + ":" + (d.getUTCSeconds() / 100).toFixed(2).slice(2) + (d.getUTCMilliseconds() > 0 ? "." + (d.getUTCMilliseconds() / 1000).toFixed(3).slice(2) : "");
	}
	return "?:??";
}