// ==UserScript==
// Do not modify and re-release this script!
// If you would like to add support for other sites, please tell me and I'll put it in the includes.
//
// @id             youtube-me-again
// @name           YouTube Me Again!
// @namespace      hateradio)))
// @author         hateradio
// @version        5.1
// @description    ytma! automatically converts YouTube(TM), Vimeo, Vine, Soundcloud, WebM, and MP4 links into real embedded videos.
// @homepage       https://userscripts.org/scripts/show/60843
// @icon           https://dl.dropboxusercontent.com/u/14626536/userscripts/i/ytma/ytma32.png
// @icon64         https://dl.dropboxusercontent.com/u/14626536/userscripts/i/ytma/ytma64.png
// @screenshot     https://dl.dropboxusercontent.com/u/14626536/userscripts/i/ytma/ytmascreen5.png

// @include        https://vine.co/v/*/embed/simple
// @match          https://vine.co/v/*/embed/simple

// @include        https://gfycat.com/iframe/*
// @match          https://gfycat.com/iframe/*

// @include        http://*.neogaf.com/forum/showthread.php*
// @include        http://*.neogaf.com/forum/showpost.php?p*
// @include        http://*.neogaf.com/forum/newreply.php*
// @include        http://*.neogaf.com/forum/editpost.php*
// @include        http://*.neogaf.com/forum/private.php*

// @match          http://*.neogaf.com/forum/showthread.php*
// @match          http://*.neogaf.com/forum/showpost.php?p*
// @match          http://*.neogaf.com/forum/newreply.php*
// @match          http://*.neogaf.com/forum/editpost.php*
// @match          http://*.neogaf.com/forum/private.php*

// @include        http*://*what.cd/forums.php?*viewthread*
// @include        http*://*what.cd/torrents.php?*
// @include        http*://*what.cd/user.php?*

// @match          *://*.what.cd/forums.php?*viewthread*
// @match          *://*.what.cd/torrents.php?*
// @match          *://*.what.cd/user.php?*

// @updated        21 July 2014 |
// -updated        24 Aug  2013 | 17,400
// -updated        04 June 2013 | 13,586

// @grant          GM_xmlhttpRequest
// @downloadURL none
// ==/UserScript==

/**

 Whitelist these sites on NoScript/NotScript/etc.
 
 neogaf.com
 youtube.com
 youtube-nocookie.com
 vimeo.com
 vimeocdn.com
 vineco.com
 soundcloud.com
 vine.com
 vine.co
 gfycat.com
 dropboxusercontent.com

 */

/*jslint indent: 4, maxerr: 50, browser: true, devel: true, nomen: true, plusplus: true, regexp: true, newcap: true */

(function () {
	'use strict';

	var $$, strg, update;

	if (!Function.prototype.bind) {
		Function.prototype.bind = function (self) {
			var args = [].slice.call(arguments, 1), fn = this;
			return function () {
				return fn.apply(self, args.concat([].slice.call(arguments)));
			};
		};
	}

	function isNumber(n) {
		return !isNaN(parseFloat(n)) && isFinite(n);
	}

	// DOM Handle
	$$ = {
		s: function (selector, cb) { var s = document.querySelectorAll(selector), i = -1; while (++i < s.length) { if (cb(s[i], i, s) === false) { break; } } },
		o: function (object, cb) { var i; for (i in object) { if (object.hasOwnProperty(i)) { if (cb(i, object[i], object) === false) { break; } } } },
		a: function (e) { var i = 1, j = arguments.length, f = document.createDocumentFragment(); for (i; i < j; i++) { f.appendChild(arguments[i]); } e.appendChild(f); return e; },
		e: function (t, o, e, p) { var a, b, c = document.createElement(t); if (typeof (o) === 'object') { for (a in o) { if (o.hasOwnProperty(a)) { b = a.charAt(0); switch (b) { case '_': c.style[a.substring(1)] = o[a]; break; case '$': c.setAttribute(a.substring(1), o[a]); break; default: c[a] = o[a]; break; } } } } if (e && p) { c.appendChild(e); } else if (e) { e.appendChild(c); } return c; }
	};

	// S T O R A G E HANDLE
	strg = {
		on: (function () { try { var a, b = localStorage, c = Math.random().toString(16).substr(2, 8); b.setItem(c, c); a = b.getItem(c); return a === c ? !b.removeItem(c) : false; } catch (e) { return false; } }()),
		read: function (key) { return this.on ? JSON.parse(localStorage.getItem(key)) : false; },
		save: function (key, val) { return this.on ? !localStorage.setItem(key, JSON.stringify(val)) : false; },
		wipe: function (key) { return this.on ? !localStorage.removeItem(key) : false; },
		zero: function (o) { var k; for (k in o) { if (o.hasOwnProperty(k)) { return false; } } return true; },
		grab: function (key, def) { var s = strg.read(key); return strg.zero(s) ? def : s; }
	};

	// U P D A T E HANDLE
	update = {
		name: 'ytma!',
		version: 5100,
		key: 'ujs_YTMA_UPDT_HR',
		callback: 'ytmaupdater',
		page: 'https://greasyfork.org/scripts/1023-youtube-me-again',
		uric: 'https://dl.dropboxusercontent.com/u/14626536/userscripts/updt/ytma/ytma.js', // If you get "Failed to load source for:" in Firebug, allow dropboxusercontent.com to run scripts.
		interval: 5,
		day: (new Date()).getTime(),
		time: function () { return new Date(this.day + (1000 * 60 * 60 * 24 * this.interval)).getTime(); },
		top: document.head || document.body,
		css: function (t) {
			if (!this.style) {
				this.style = document.createElement('style');
				this.style.type = 'text/css';
				this.top.appendChild(this.style);
			}
			this.style.appendChild(document.createTextNode(t + '\n'));
		},
		js: function (t) {
			var j = document.createElement('script');
			j.type = 'text/javascript';
			j[/^https?\:\/\//i.test(t) ? 'src' : 'textContent'] = t;
			this.top.appendChild(j);
		},
		notification: function (j) {
			if (j) {
				if (this.version < j.version) {
					window.localStorage.setItem(this.key,
						JSON.stringify({date: this.time(), version: j.version, page: j.page }));
				} else {
					return true;
				}
			}
			var a = document.createElement('a'), b = JSON.parse(window.localStorage.getItem(this.key));
			a.href = b.page || '#';
			a.target = '_blank';
			a.id = 'userscriptupdater';
			a.title = 'Update now.';
			a.textContent = 'An update for ' + this.name + ' is available.';
			document.body.appendChild(a);
			return true;
		},
		check: function (opt) {
			if (!strg.on) { return; } // typeof (GM_updatingEnabled) === 'boolean' || 
			var stored = strg.read(this.key), j, page;
			this.csstxt();
			if (opt || !stored || stored.date < this.day) {
				page = stored && stored.page ? stored.page : '#';
				strg.save(this.key, {date: this.time(), version: this.version, page: page});
				j = this.notification.toString()
					.replace('function', 'function ' + this.callback)
					.replace('this.version', this.version)
					.replace(/(?:this\.key)/g, "'" + this.key + "'")
					.replace('this.time()', this.time())
					.replace('this.name', "'" + this.name + "'");
				this.js(j);
				this.js(this.uric);
			} else if (this.version < stored.version) { this.notification(); }
		},
		csstxt: function () {
			if (!this.pop) { this.pop = true; this.css('#userscriptupdater,#userscriptupdater:visited{-moz-box-shadow:0 0 6px #787878;-webkit-box-shadow:0 0 6px #787878;box-shadow:0 0 6px #787878;border:1px solid #777;-moz-border-radius:4px;border-radius:4px;cursor:pointer;color:#555;font-family:Arial, Verdana, sans-serif;font-size:11px;font-weight:700;text-align:justify;min-height:45px;position:fixed;z-index:999999;right:10px;top:10px;width:170px;background:#ebebeb url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACsAAACLCAYAAAD4QWAuAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA2RpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMC1jMDYwIDYxLjEzNDc3NywgMjAxMC8wMi8xMi0xNzozMjowMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wTU09Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9tbS8iIHhtbG5zOnN0UmVmPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvc1R5cGUvUmVzb3VyY2VSZWYjIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtcE1NOk9yaWdpbmFsRG9jdW1lbnRJRD0ieG1wLmRpZDo1NUIzQjc3MTI4N0RFMDExOUM4QzlBNkE2NUU3NDJFNCIgeG1wTU06RG9jdW1lbnRJRD0ieG1wLmRpZDpGN0Q1OEQyNjdEQzUxMUUwQThCNEE3MTU1NDU1NzY2OSIgeG1wTU06SW5zdGFuY2VJRD0ieG1wLmlpZDpGN0Q1OEQyNTdEQzUxMUUwQThCNEE3MTU1NDU1NzY2OSIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ1M1IFdpbmRvd3MiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo1NUIzQjc3MTI4N0RFMDExOUM4QzlBNkE2NUU3NDJFNCIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDo1NUIzQjc3MTI4N0RFMDExOUM4QzlBNkE2NUU3NDJFNCIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/Po6YcvQAAAQFSURBVHja7JzBSxRRHMdnp+gkiLdOgtshKGSljQVF8CK0biEErYfwFmT+BQpdA0MIBEFtTx2qSxESaAt5ioUQFDp5sjl06rbnumzfp7+VbZx5M+/Nb9wZ+f3g56wzO28//ua93/u9J/stdDodx2/P3o85llaFT8JvwlvwTfhf00a2Hv8IPO86PHYHvg//An8OfwRfg/9RfzvTZ7DBvoZXQq6p6D7MCuwT+N2I92zAB/sNO0yPO8quwxf7DasABmK+d0XTVVKHnYIvG96z1i9Ymw8ep/R2obAqNdkm41e2sFct71v1/f4BiXyOJpRpHKZ918s9527B5+FvLwJWDaoR3zmvZ/bZw2HPNyMeBOTeb/BfaXaDEuVMvx2G3QDQMkW21wZsUpkp7GbIeU9zz3TI+WXTVGYCW6XRbApb1lxbTwt2VVMltS1hVWRnuWFVqhoNudbW9NchHIpc+ToO7GDE49JFtRij/ZG4gy0O7CIVIjZWNuhiw0lhK1SA6GzI8ppxKouCjTNaOWC7qWzKFrYaNw/SQOKwNVtYk4KjyAQ7RpnHCHaeCg7ugZQon7sBj3RYM62mHdmTVAaGxbiRNVmqRM3/bUvgDQCX/CcLvZsceEOF1v82dgPTrkdVVp2iXU8Q4e9ob0IHu59gUecxdwdlMwBunusGAJ1NuPr0KLoFdYQ3GGBXAiMLWC9gBRDX2gTa9g3Wp7Rbk8TqaPfjWWRp9I0kaLARVCbiXMO/xLGwdfCd7Oa4eDGQdD0fYYcJ7z/bzXHpxbWEDRaddO1FF3aSobE6pazAawztX0H7465mXWVqB2hwqWdwFeFfGaM+Wlh4V/rkMO2fpmy3VWTf5AD0NzLLkYsfn53T7fUs21k2UPmw5jBs9qZgx/AH4Ns+VxvQwJg0rGXTMPUfnhYgj0MLmayb6+TIBFZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBVZgBTZzVrg3U+Nsz1iTo7m7c+GRFU2ONGBFkyMNWNHkSANWNDl0xqbJAZ+j1/nR5HBOv6zm/8JaPjQ5KKqiyRFVpORfk8PRf3NZq8lRrd3PhiaHc6pvcLk0ORDdfGlyAFg0OdKAPUlliG76mhyGUNaDLXOaHIjuJdXkoKVKXzU5wlJZZjU5AFyKKhErFkuVbjcoUo3Apcmhnu6Ebkcmc5oczd2dZlA3YNHkUAFwUtLkcJlWnm1a1ng94AvkbKnM1SxVTKwRMphYNDkAPNiFFU0OZuPV5NDMYiyaHOgKvJoc8CVftFk1ORRsi/FxvYR3yH9qZjYba+VGkwOTw5GCzZcmByzTmhyI6ra/kNkiz4wmByD/0+T4J8AAyDkZArebBxMAAAAASUVORK5CYII=) no-repeat 13px 15px;padding:12px 20px 10px 65px}#userscriptupdater:hover,#userscriptupdater:visited:hover{color:#55698c!important;background-position:13px -85px;border-color:#8f8d96}'); }
		}
	};

	/** Y T M A CLASS
	 *  Should not be used directly, only through YTMA.create()
	 *  @param id Unique ID
	 *  @param site Website eg: youtube, vimeo
	 *  @param a Anchor element
	 */
	function YTMA(id, site, a, uid) {
		this.data = {
			id: id,
			uid: YTMA.escapeId(uid),
			sid: YTMA.escapeId(id),
			site: site,
			uri: a.href
		};

		this.a = a;
		this.spn = $$.e('span', {title: 'YTMA!', className: 'ytm_links', '$data-ytmid': this.data.id, '$data-ytmuid': this.data.uid});
		this.spn.addEventListener('click', this.show.bind(this), false);
		this.wrp = $$.e('div', {className: 'ytm_wrap'});
		this.wrs = $$.e('div', {id: 'w' + this.data.uid, className: 'ytm_clear ytm_site_' + this.data.site});
		this.ul  = $$.e('ul', {className: 'ytm_bar arialsans'});

		this.setup(a);
	}

	YTMA.num = 0;

	YTMA.create = function (link) {
		var data = YTMA.getIdAndSite(link.href), id;
		if (data.valid === true) {
			id = YTMA.escapeId(data.id + '_' + (YTMA.num += 1));
			YTMA.set[id] = new YTMA(data.id, data.site, link, id);
			return YTMA.set[id];
		}
		return {};
	};

	YTMA.getIdAndSite = function (uri) {
		var id, site;
		try {
			site = YTMA.reg.siteByTest[YTMA.reg.site.test(uri) ? RegExp.lastMatch : ''];
			// console.log(uri, site);
			if (site === 'html5') {
				id = uri.slice(-15);
			} else if (site === 'soundcloud') {
				id = YTMA.escapeId(uri).slice(-50);
			} else {
				id = uri.match(YTMA.reg.matchers[site])[1];
			}

			if (id && YTMA.DB.sites[site]) {
				return {id: id, site: site, valid: true};
			}
			throw TypeError('invalid id/site: ' + site + ' % ' + id);
		} catch (e) {
			// console.info(uri, e);
			return {valid: false};
		}
	};

	YTMA.route = {
		host: document.location.host,
		control: {
			go: function (host) {
				(this[host] || this.generic)();
			},
			generic: function () {
				if (!YTMA.DB.extension) {
					update.check();
				}

				YTMA.user.init();
				YTMA.css();
				YTMA.ajaxQueue.init();
				YTMA.factory();
			},
			'gfycat.com': function () {
				update.css('body,html {overflow:hidden} video {width: 100% }');
			},
			'vine.co': function () {
				// console.log('vine.co');
				// YTMA.user.init();
				// if (YTMA.user.preferences.autoShow === 1) { return; }

				var video = document.getElementById('video');
				if (video) { video.muted = false; }
			}
		},
		start: function () {
			this.control.go(this.host);
		}
	};

	YTMA.main = function () {
		if (!this.initializer) {
			this.initializer = true;
			YTMA.route.start();
		}
	};

	YTMA.set = {};

	YTMA.collect = function (id) {
		var i, a = [];
		for (i in YTMA.set) {
			if (YTMA.set.hasOwnProperty(i) && YTMA.set[i].data.id === id) {
				a.push(YTMA.set[i]);
			}
		}
		return a;
	};

	YTMA.reg = {
		site : /(youtu)|(vimeo)|(vine)|(soundcloud)|(gfycat)|(\.webm$)|(\.mp4$)/,
		time : /(?:t\=(?:(\d+)m)?(\d+)?s?)/,
		ios  : /(?:\b(?:ipod|iphone|ipad))\b/i,
		matchers: {
			youtubeOld: /(?:(?:youtu)(?:\.be\/|.*?(?:v\=|#p\/u\/\d*?\/)|.*?(?:v\=|#p\/c\/[a-zA-Z0-9]+\/\d*?\/)|.*?(?:embed\/))([A-Za-z0-9-_]{11}))/i,
			youtube: /(?:(?:(?:v\=|#p\/u\/\d*?\/)|(?:v\=|#p\/c\/[a-zA-Z0-9]+\/\d*?\/)|(?:embed\/)|(?:\.be\/))([A-Za-z0-9-_]{11}))/i,
			vimeo: /(?:vimeo\.com\/(\d+))/i,
			vine: /(?:vine\.co\/v\/([A-Za-z0-9-_]{11}))/i,
			soundcloud: /(?:soundcloud\.com\/(.+?\/.+))/i,
			gfycat: /(?:gfycat.com\/(\w+))/i // /(?:gfycat.com\/(.+)(?!\.))/i
		},
		siteByTest: {
			youtu: 'youtube',
			vimeo: 'vimeo',
			vine: 'vine',
			gfycat: 'gfycat',
			'.webm': 'html5',
			'.mp4': 'html5',
			soundcloud: 'soundcloud'
		}
	};

	YTMA.img = {
		fav: {
			soundcloud : 'data:image/png;base64,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',
			youtube : 'data:image/png;base64,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',
			vimeo   : 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAMAAAC67D+PAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABhQTFRFutjhDKrTKqzN+Pz9H5CxT7nVis7g////lqc5nAAAAAh0Uk5T/////////wDeg71ZAAAAP0lEQVR42iTMyREAMAgCQASP/jsOGj7s8AATPxzwUDai0AG1SQhsYdeEolVLt8c8llZHYuXyTeb9YYo/8wQYAC81AOQXjj+CAAAAAElFTkSuQmCC',
			vine    : 'data:image/png;base64,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'
		},
		css: {
			load : 'data:image/gif;base64,R0lGODlhDgAKAJEAAP///+BKV////wAAACH/C05FVFNDQVBFMi4wAwEAAAAh+QQFCgACACwAAAAADgAKAAACHFSOeQYI71p6MtAJz41162yBH+do5Ih1kKG0QgEAIfkEBQoAAgAsAAABAA0ACAAAAhSUYGEoerkgdIzKGlu2ET/9ceJmFAAh+QQFCgACACwAAAEADQAIAAACFJRhcbmiglx78SXKYK6za+NxHyYVACH5BAUKAAIALAAAAQANAAgAAAIWVCSAl+hqEGRTLhtbdvTqnlUf9nhTAQAh+QQFCgACACwAAAEADQAIAAACFZRiYCh6uaCRzNXYsKVT+5eBW3gJBQAh+QQJCgACACwAAAAADgAKAAACGpSPaWGwfZhwQtIK8VTUvuxpm9Yp4XlmpiIUADs='
		}
	};

	YTMA.selector = {
		all: 'a[href*="youtube."], a[href*="youtu.be/"], a[href*="vimeo.com/"], a[href*="vine.co/"], a[href*="gfycat.com/"], a[href*=".webm"], a[href*=".mp4"], a[href*="soundcloud.com/"]',
		parentBlacklist: ['.smallfont', '.colhead_dark', '.spoiler'],
		chromeBlacklist: 'a[href*="pomf.se/"]'
	};

	YTMA.selector.ignore = (function (all, blacklist) {
		var i, j, ignore = [];
		for (i = 0; i < blacklist.length; i++) {
			for (j = 0; j < all.length; j++) {
				ignore.push(blacklist[i] + ' ' + all[j]);
			}
		}
		//console.log(ignore);
		return ignore.join(',');
	}(YTMA.selector.all.split(','), YTMA.selector.parentBlacklist));

	YTMA.links = (function () {
		var links = [];
		$$.s(YTMA.selector.ignore, function (el) { el.setAttribute('ytmaignore', true); });

		if (window.chrome) {
			$$.s(YTMA.selector.chromeBlacklist, function (el) {
				if (/(?:.\webm)/i.test(el.href)) {
					el.dataset.scroll = false;
				}
			});
		}

		$$.s(YTMA.selector.all, function (el) { if (!el.hasAttribute('ytmaignore')) { links.push(el); } });
		return links;
	}());

	YTMA.factory = function () {
		if (YTMA.links.length === 0) { return; }

		YTMA.links.forEach(YTMA.create);

		if (YTMA.user.preferences.desc === 1) {
			YTMA.user.fn.onScrollViewDescriptions();
		}

		if (YTMA.user.preferences.desc === 2) {
			YTMA.ajax.start();
		}

		if (YTMA.user.preferences.autoShow === 1) {
			YTMA.user.fn.onScrollViewMedia();
		}
	};

	YTMA.escapeId = function (id) {
		return (id += '').replace(/(?:\W)/g, '_');
	};

	/**
	 * User Preferences
	 * flash: 0 "Frame"; 1 "Object"
	 * size: Small (240p), Medium (360p), Large (480p), XL (720p)
	 * ratio: 1 4:3, 2 16:9
	 * quality: 240, 360, 480, 720, 1080
	 * focus: 0/1; Will attempt to set the window's focus near the video
	 * autoShow: 0/1; Will automatically display HTML5 videos, which currently lack descriptions and thumbnails
	 * desc: (Descriptions) 0 None; 1 Yes on scroll; 2 Yes all at once
	 */
	YTMA.user = {
		init: function () {
			this.load();
			if (strg.on) {
				this.form();
				this.mark();
			}
		},
		valid: {
			focus: [0, 1],
			desc: [0, 1, 2],
			flash: [0, 1],
			ratio: [1, 2],
			size: [240, 360, 480, 720],
			quality: [240, 360, 480, 720, 1080],
			autoShow: [0, 1]
		},
		validate: function (property, n) {
			n = +n;
			return YTMA.user.valid[property].indexOf(n) > -1 ? n : YTMA.user.defaults()[property];
		},
		defaults: function () {
			return {
				focus    : 0,
				desc     : 1,
				flash    : YTMA.DB.browser.pod || YTMA.DB.browser.ie ? 0 : 1, // if iOS or IE9+, use "html5" player
				ratio    : 2,
				size     : 360,
				quality  : 360,
				autoShow : 1
			};
		},
		load: function () {
			var s = strg.grab('ytmasetts', {});
			YTMA.user.preferences = {
				flash    : YTMA.user.validate('flash', s.flash),
				size     : YTMA.user.validate('size', s.size),
				ratio    : YTMA.user.validate('ratio', s.ratio),
				desc     : YTMA.user.validate('desc', s.desc),
				focus    : YTMA.user.validate('focus', s.focus),
				quality  : YTMA.user.validate('quality', s.quality),
				autoShow : YTMA.user.validate('autoShow', s.autoShow)
			};
			// console.log(YTMA.user.preferences);
		},
		save: function (evt) {
			var e = evt.target;
			if (e.tagName.toLowerCase() === 'input') {
				switch (e.name) {
				case 'ytmaflash':
					YTMA.user.preferences.flash = +e.checked;
					break;
				case 'ytmasize':
					YTMA.user.preferences.size = +e.value;
					break;
				case 'ytmaratio':
					YTMA.user.preferences.ratio = +e.value;
					break;
				case 'ytmainfo':
					YTMA.user.preferences.desc = +e.value;
					break;
				case 'ytmafocus':
					YTMA.user.preferences.focus = +e.checked;
					break;
				case 'ytmaiq':
					YTMA.user.preferences.quality = +e.value;
					break;
				case 'ytmaautoshow':
					YTMA.user.preferences.autoShow = +e.checked;
					break;
				default:
					return;
				}
				YTMA.user.error.className = strg.save('ytmasetts', YTMA.user.preferences) ? 'ytm_none' : '';
				YTMA.user.load();
				// console.log('n', YTMA.user.preferences);
			}
		},
		mark: function () {
			var a = {};
			a.ytmaflash = !!YTMA.user.preferences.flash;
			a.ytmafocus = !!YTMA.user.preferences.focus;
			a.ytmaautoshow = !!YTMA.user.preferences.autoShow;
			a['ytmaratio' + YTMA.user.preferences.ratio] = true;
			a['ytmasize' + YTMA.user.preferences.size] = true;
			a['ytmainfo' + YTMA.user.preferences.desc] = true;
			a['ytmaiq' + YTMA.user.preferences.quality] = !!YTMA.user.preferences.quality;
			$$.o(a, function (id, bool) {
				try {
					document.getElementById(id).checked = bool;
				} catch (e) {}
			});
		},
		reset: function () {
			YTMA.user.preferences = YTMA.user.defaults();
			YTMA.user.mark();
			strg.wipe('ytmasetts');
		},
		form: function () {
			var f = [
				'<div id="ytm_settings"><form action=""><div id="ytm_settingst">ytma! Site Settings</div><div id="ytmaclears">',
				'<fieldset><legend title="Load descriptions from the content sever.">Get Descriptions</legend><p><span class="ytmahalf"><input id="ytmainfo0" type="radio" value="0" name="ytmainfo"><label for="ytmainfo0">Never</label></span><span class="ytmahalf"><input id="ytmainfo1" type="radio" value="1" name="ytmainfo"><label for="ytmainfo1" title="Load descriptions as they become visible on the screen.">Automatically</label></span><span style="display:inline-block"><input id="ytmainfo2" type="radio" value="2" name="ytmainfo"><label for="ytmainfo2" title="Add descriptions when the page loads.">On page load <small>(Old Method)</small></label></span></p></fieldset>',
				'<fieldset><legend>Flash Support</legend><p><input name="ytmaflash" type="checkbox" id="ytmaflash" value="f" /><label for="ytmaflash">Use Flash.*</label></p></fieldset>',
				'<fieldset id="ytmasizefield"><legend>Player Size</legend><p><span class="ytmahalf"><input type="radio" name="ytmasize" value="240" id="ytmasize240" /><label for="ytmasize240">S <small>240p</small></label></span><span class="ytmahalf"><input name="ytmasize" type="radio" id="ytmasize360" value="360" /><label for="ytmasize360">M <small>360p</small></label></span><span class="ytmahalf"><input type="radio" name="ytmasize" value="480" id="ytmasize480" /><label for="ytmasize480">L <small>480p</small></label></span><span class="ytmahalf"><input type="radio" name="ytmasize" value="720" id="ytmasize720" /><label for="ytmasize720">X <small>720p</small></label></span></p></fieldset>',
				'<fieldset><legend>Quality</legend><p><span class="ytmahalf"><input name="ytmaiq" value="240" id="ytmaiq240" type="radio"><label for="ytmaiq240">240p</label></span><span class="ytmahalf"><input name="ytmaiq" id="ytmaiq360" value="360" type="radio"><label for="ytmaiq360">360p</label></span><span class="ytmahalf"><input name="ytmaiq" value="480" id="ytmaiq480" type="radio"><label for="ytmaiq480">480p</label></span><span class="ytmahalf"><input name="ytmaiq" value="720" id="ytmaiq720" type="radio"><label for="ytmaiq720">720p</label></span><span class="ytmahalf"><input name="ytmaiq" value="1080" id="ytmaiq1080" type="radio"><label for="ytmaiq1080">1080p</label></span></p></fieldset>',
				'<fieldset><legend>Aspect Ratio</legend><p><span class="ytmahalf"><input name="ytmaratio" type="radio" id="ytmaratio2" value="2" /><label for="ytmaratio2">16:9</label></span><span class="ytmahalf"><input type="radio" name="ytmaratio" value="1" id="ytmaratio1" /><label for="ytmaratio1">4:3</label></span></p></fieldset>',
				'<fieldset><legend>Player On Scroll</legend><p><input name="ytmaautoshow" id="ytmaautoshow" type="checkbox"><label for="ytmaautoshow">Automatically display WebM/MP4 <code>&lt;video&gt;</code>s, Vine and Soundcloud players.</label></p></fieldset>',
				'<fieldset><legend>Window Focus</legend><p><input name="ytmafocus" type="checkbox" id="ytmafocus" value="focus" /><label for="ytmafocus">After clicking the thumbnail, set the video at the top of the window.</label></p></fieldset>',
				'</div><p><small id="ytm_settings_error" class="ytm_none">Error! Your settings could not be saved.</small></p><p id="ytm_opts"><small id="ytmaclose">Close</small> <small id="ytmareset">Reset</small> <small>*Disable this option for iOS and other devices.</small></p></form></div>'
			].join('');

			YTMA.form = $$.e('div', {className: 'ytm_fix_center ytm_none', innerHTML: f}, document.body);
			YTMA.user.error = document.getElementById('ytm_settings_error');

			YTMA.form.addEventListener('click', YTMA.user.save, false);
			document.getElementById('ytmaclose').addEventListener('click', YTMA.user.fn.formToggle, false);
			document.getElementById('ytmareset').addEventListener('click', YTMA.user.reset, false);
			document.body.addEventListener('keydown', YTMA.user.fn.formToggleKey, false);
		},
		fn: {
			formToggleKey: function (e) {
				// press CTRL+SHIFT+Y (or META instead of CTRL) to display settings form
				if ((e.ctrlKey || e.metaKey) && e.shiftKey && String.fromCharCode(e.which).toLowerCase() === 'y') {
					e.preventDefault();
					YTMA.user.fn.formToggle();
				}
			},
			formToggle: function () {
				YTMA.form.classList.toggle('ytm_none');
			},
			showMedia: function () {
				return new YTMA.Scroll('.ytm_scroll:not([data-scroll="false"])', function (link) {
					if (YTMA.Scroll.visibleAll(link, 50)) {
						$$.s('a[data-ytmsid="' + link.dataset.ytmsid + '"]:not([data-scroll="false"])', function (a) {
							var y = YTMA.set[a.dataset.ytmuid];
							if (!y.data.open) {
								// console.log('show');
								y.show();
							}
						});
					}
				});
			},
			toggleMedia: function () {
				return new YTMA.Scroll('.ytm_wrap .ytm_player', function (div) {
					var v = div.querySelector('video'),
						paused = v && (v.paused || v.ended),
						y = YTMA.set[div.dataset.ytmuid];

					if (paused && !YTMA.Scroll.visibleAll(div, 0)) {
						return y.player.switchToPlaceholder();
					}

					if (y.player.isPlaceholder() && YTMA.Scroll.visibleAll(div, 200)) {
						return y.player.switchToMedia();
					}

					// todo ascertain embedded player properties
					// f = div.querySelector('iframe, object');
					// if (f && !YTMA.Scroll.visibleAll(div, 200)) {
						// y.toggle();
					// }
				});
			},
			onScrollViewMedia: function () {
				this.showMedia();
				this.toggleMedia();
			},
			onScrollViewDescriptions: function () {
				var scroller = new YTMA.Scroll('.ytm_manual a:not(.ytm_error)', function (a) {
					if (YTMA.Scroll.visibleAll(a, 200)) {
						var d = a.dataset;
						YTMA.ajax.load(d.site, d.id, d.uri);
						// console.log('doc', document.querySelectorAll(scroller.selector).length, a.dataset.id);
					}

					if (document.querySelectorAll(scroller.selector).length === 0) {
						scroller.stop();
					}
				});
			}
		}
	};

	YTMA.css = function () {
		update.css(['\n/* ytma! */\n.ytm_clear,.ytm_wrap,.ytm_video{position:relative;clear:both;text-align:left;border:0;margin:0;padding:0;display:block}.ytm_clear{overflow:auto;margin:0 0 6px}#ytm_settings,.arialsans{font-family:Arial,Helvetica,sans-serif!important}.ytm_links{line-height: 1.2;display:block;width:118px;height:66px;overflow:hidden;font-style:normal;background-color:#262626!important;cursor:pointer;background-position:-1px -12px;position:relative;float:left;box-shadow:2px 2px rgba(0, 0, 0, 0.3);margin:4px;background-size:auto 90px !important;}.ytm_links:hover{box-shadow: 2px 2px #9eae9e;opacity:.95}.ytm_links img{border:0;opacity:1;top:28px;left:42px;z-index:9;position:absolute}.ytm_links:hover img{opacity:.9}.ytm_init{display:block;background:rgba(11, 11, 11, 0.62);color:#fff;text-shadow:#333 0 0 2px;text-align:left;font-size:11px;margin:0;padding:3px 6px;height:12px;}.ytm_wrap{overflow:hidden;font-style:normal;margin:3px 0 0;padding:1px 2px} ul.ytm_bar{overflow:hidden;margin:0 !important;padding:3px 0 1px;list-style-position:outside !important}.ytm_bar li{display: inline;margin:0!important;padding:0!important}.ytm_bar li > ul {display: inline-block; margin: 0; padding: 0 1px 0 0;}.ytm_bar li ul li{-webkit-user-select:none;-moz-user-select:none;-o-user-select:none;user-select:none;list-style-type:none;cursor:pointer;float:left;color:#858585;border:1px solid #1d1d1d;border-bottom:1px solid #000;border-top:1px solid #292929;box-shadow:0 0 1px #555;height:14px;font-size:12px!important;line-height:12px!important;background:#222;background:linear-gradient(#2D2C2C, #222222);margin:0 !important;padding:5px 9px 3px !important}.ytm_bar li ul li:first-child{border-radius:2px 0 0 2px}.ytm_li_mid{border-left:0!important}.ytm_bar li ul li:last-child{border-left:0!important;border-radius:0 2px 2px 0;margin:0 2px 0 0 !important}.ytm_bar li ul li:first-child:last-child{border-radius: 2px;}.ytm_li_setting{border-radius:2px}.ytm_bar li ul li:hover{color:#ccc;text-shadow:1px 1px 0 #333;background:#181818} .ytm_bar li ul li[id]{color:#ddd;text-shadow:0 0 2px #444} .ytm_loading{font-style:italic;background:url(', YTMA.img.css.load, ') 0 3px no-repeat;padding: 1px 1.5em}.ytm_link{background:url(', YTMA.img.fav.youtube, ') 2px -1px no-repeat !important;border-radius:1px;padding:0 3px 0 21px !important}.ytm_link.ytm_link_vimeo{background:url(', YTMA.img.fav.vimeo, ') 3px 2px no-repeat !important;padding:0 3px 0 16px !important}.ytm_link.ytm_link_vine{background:url(', YTMA.img.fav.vine, ') 3px 2px no-repeat !important;background-size: 10px 10px !important;padding:0 3px 0 16px !important}.ytm_link.ytm_link_soundcloud{background:url(', YTMA.img.fav.soundcloud, ') 1px 1px no-repeat !important;padding:0 0 0 16px !important}.ytm_link b,.ytm_link strong{font-weight:400!important}.ytm_link u{text-decoration:none}.ytm_link i,.ytm_link em{font-style:normal}.ytm_link:hover{background-color:#fff}.ytm_title{float:left;max-width:500px;font-style:normal;font-weight:700;margin:5px 0 0 3px;font-size:.9em}.ytm_error{color:#CC2F24;font-style:italic} q[ondblclick]{cursor:pointer}.ytm_descr{display:block;word-wrap:break-word;font-weight:400;max-height:48px;overflow:auto;padding-right:20px}.ytm_descr_open{resize:both;white-space:pre-line;}.ytm_descr_open[style]{max-height:none}#ytm_settings{z-index: 99999;font-size:12px;max-width:410px;border-radius:3px;background:#fbfbfb;border:1px solid #bbb;color:#444;box-shadow:0 0 5px rgba(0,0,0,.2), 0 0 3px rgba(239,239,239,.1) inset;margin:10% auto;padding:4px 8px 0}#ytm_settings *{font-weight:400}#ytm_settings p{font-size:12px;clear:both;margin:5px 0;padding:0}#ytmaclears{overflow:hidden}#ytm_settings fieldset{vertical-align:top;border-radius:3px;border:1px solid #ccc;display:inline-block;width:180px;margin:0 2px}#ytm_settings p>input{margin:3px 3px 0 4px !important}#ytm_settings p>span>input[type=radio]{margin:3px 5px!important}#ytm_settingst{font-size:14px;border-bottom:1px solid #D00;margin:3px 0 9px;padding:0 3px 3px}#ytm_settings .ytmahalf{width:80px;display:inline-block}#ytm_settings .ytmahalf label{width:50px;display:inline-block;cursor:pointer}#ytm_settings_error{font-weight:700;color:#d00}#ytm_settings small{font-size:11px}#ytm_opts small[id]{cursor:pointer;display:inline-block;margin:10px 5px 8px 2px;padding:0 3px; border: 1px solid #adadad; border-radius:2px}#ytm_opts small[id]:hover{background:#ddd}.ytm_none,.ytm_link br{display:none} .ytm_fix_center {position:fixed; left:0; top:0; height:90%; width:90%}',
			'.ytm_video{background:#000}.ytm_placeholder[data-empty="true"]{background:#111}.ytm_placeholder[data-empty="true"]:after{cursor:cell; color: #0E0E0E; content: "YTMA!"; display: block; font-size: 85px; font-style: italic; font-weight: bold; left: 50%; position: absolute; text-shadow:2px 1px #181818, -1px -1px #0A0A0A; top: 50%; transform: translate(-50%, -50%); }',
			'.ytm_player_s .ytm_video {width:426px;height:240px} .ytm_player_m .ytm_video {width:640px;height:360px} .ytm_player_l .ytm_video {width:853px;height:480px} .ytm_player_xl .ytm_video {width:1280px;height:720px}',
			'.ytm_player_s.ytm_player_sd .ytm_video{width:320px} .ytm_player_m.ytm_player_sd .ytm_video{width:480px} .ytm_player_l.ytm_player_sd .ytm_video{width:640px} .ytm_player_xl.ytm_player_sd .ytm_video{width:960px}',
			'.ytm_player_s.ytm_player_pr .ytm_video{height:320px;width:180px} .ytm_player_m.ytm_player_pr .ytm_video{height:480px;width:270px} .ytm_player_l.ytm_player_pr .ytm_video{height:640px;width:360px} .ytm_player_xl.ytm_player_pr .ytm_video{height:960px;width:540px}',
			'.ytm_site_vine .ytm_links {background-color:lightgreen !important;background-size: 120px auto !important;}',
			'.ytm_site_vine .ytm_player_s .ytm_video{width:240px;height:240px} .ytm_site_vine .ytm_player_m .ytm_video{width:360px;height:360px} .ytm_site_vine .ytm_player_l .ytm_video{width:480px;height:480px} .ytm_site_vine .ytm_player_xl .ytm_video{width:720px;height:720px}',
			'.ytm_site_vine .ytm_bar :first-child ul, .ytm_site_soundcloud .ytm_bar ul:not(.ytm_options){display:none} .ytm_site_soundcloud .ytm_video{height: 81px !important;}',
			'.ytm_link.ytm_link_html5 {background: none !important;margin:0 4px;padding: 0 !important;} .ytm_clear.ytm_site_slim {display:inline} .ytm_site_slim .ytm_links{background:#E34C26 !important;height: auto;box-shadow: 0 0 2px #FFDB9D inset, 2px 2px rgba(0, 0, 0, 0.3); margin: 0 3px 0 0;width: auto; transition:all 0.3s ease-in-out 0s} .ytm_site_slim .ytm_links:hover { opacity:.8 } .ytm_site_slim .ytm_init{background:transparent;text-shadow:0 0 1px #f06529;border: 1px solid #f06529; padding: 2px 5px}.ytm_init:after{ content: "\\25B6"; float: right; font-size: 110%;line-height:1em; padding: 0 0 0 6px; }',
			'.ytm_player_h{height:0 !important;width:0 !important}'].join(''));
	};

	YTMA.ajaxQueue = {
		init: function () {
			$$.o(YTMA.DB.ajax, function (site) {
				YTMA.ajaxQueue.sites[site] = {
					set: {},
					current: 0,
					length: 0,
					throttle: null,
					timeout: 10000
				};
			});
		},
		sites: {},
		add: function (site, id, uri) {
			if (this.sites[site] && !this.sites[site].set[id]) {
				this.sites[site].set[id] = uri;
				this.sites[site].length += 1;
			}
		},
		remove: function (site, id) {
			if (this.sites[site] && this.sites[site].set[id]) {
				delete this.sites[site].set[id];
				this.sites[site].length -= 1;
			}
		}
	};

	YTMA.ajax = {
		maxBatch: 50,
		interval: 250,
		start: function () {
			var time = 100;
			if (YTMA.ajaxQueue.sites.youtube.length > 100) {
				time = 2500;
				YTMA.ajaxQueue.sites.youtube.timeout = 15000;
			}
			$$.o(YTMA.DB.ajax, function (site) { return new YTMA.ajax.Batch(site, time); });
		},
		load: function (site, id, uri) {
			var cache = YTMA.external.dataFromStorage(site, id);
			// console.log('load', site, id, uri, cache);

			if (cache) {
				return YTMA.external.populate(cache);
			}

			if (YTMA.DB.csr[site]) {
				return this.gmxhr(uri, site, id);
			}

			if (YTMA.DB.ajax[site]) {
				uri = YTMA.DB.ajax[site].replace('%key', id).replace('%uri', uri);
				return this.xhr(uri, site, id);
			}
		},
		gmxhr: function (uri, site, id) {
			if (typeof GM_xmlhttpRequest === 'function') {
				// alert('gmxhr starting!');
				// console.log('gmxhr starting!');
				YTMA.ajax.preProcess(id);
				GM_xmlhttpRequest({
					method: 'GET',
					url: uri,
					onload: function (response) {
						YTMA.external.parse(response.responseText, site, id);
					},
					onerror: function () {
						// console.log('GM Cannot XHR');
						YTMA.ajax.failure.call({id: id});
					}
				});
			} else if (YTMA.DB.extension) {
				// console.log('attempting cs xhr');
				this.xhr(uri, site, id);
			}
		},
		xhr: function (uri, site, id) {
			var x = new XMLHttpRequest();
			// console.log('xhr', uri, id, site);

			YTMA.ajax.preProcess(id);

			x.onreadystatechange = function () {
				if (this.readyState === this.DONE) {
					// console.log(this.readyState, this.status);
					if (this.status === 200) {
						YTMA.external.parse(this.responseText, site, id);
					} else if (this.status === 403) {
						YTMA.external.populate({site: site, id: id, title: 'Error 403', desc: ''});
						YTMA.external.save({site: site, id: id, title: 'Error 403', desc: ''});
					} else { // if (this.status >= 400 || this.status === 0) {
						YTMA.ajax.failure.call({id: id});
					}
				}
			};

			try {
				x.open('get', uri, true);
				x.send();
			} catch (e) {
				// console.error('Cannot send xhr', e.message);
				YTMA.ajax.failure.call({id: id});
			}
		},
		failure: function () {
			$$.s('.ytm_title._' + YTMA.escapeId(this.id), function (el) {
				var a = el.querySelector('a');
				a.dataset.tries = a.dataset.tries ? parseFloat(a.dataset.tries) + 1 : 1;
				a.textContent = 'Error, unable to load data. [Retry ' + (a.dataset.tries > 0 ? a.dataset.tries : '') + ']';
				a.className = 'ytm_error';
			});
		},
		preProcess: function (id) {
			$$.s('.ytm_manual._' + YTMA.escapeId(id) + ' a', function (el) {
				el.classList.add('ytm_loading');
				el.textContent = 'Loading data . . .';
				el.title = 'Retry loading data.';
			});
		}
	};

	/** B A T C H Class
	 *  Creates and loads Cross-site XHR in batches
	 *  @param site Site
	 *  @param time Milliseconds to start loading the queue
	 */
	YTMA.ajax.Batch = function (site, time) {
		this.site = site;
		this.queue = YTMA.ajaxQueue.sites[site];
		// console.log(site, this.queue);
		this.descriptionsFromStorage();
		if (YTMA.user.preferences.desc === 2) {
			this.pause(time);
		}
	};

	YTMA.ajax.Batch.prototype = {
		constructor: YTMA.ajax.Batch,
		descriptionsFromStorage: function () {
			$$.o(this.queue.set, this.loadDescription.bind(this));
		},
		clear: function () {
			// console.log('clear', this.queue.throttle);
			window.clearInterval(this.queue.throttle);
		},
		pause: function (ms) { // console.log('pause queue.throttle');
			this.clear();
			if (this.queue.length > 0) {
				// console.log('throttling: ' + ms);
				window.setTimeout(this.start.bind(this), ms);
			}
		},
		start: function () {
			this.clear();
			// console.log('start', this.queue.length);
			this.queue.throttle = window.setInterval(this.loader.bind(this), YTMA.ajax.interval);
		},
		loader: function () {
			if (this.queue.length > 0) {
				$$.o(this.queue.set, this.next.bind(this));
			} else {
				this.clear(); // console.log('loader queue.throttle');
			}
		},
		loadDescription: function (id) { // console.log('current:', id, this.queue.current);
			var data = YTMA.external.dataFromStorage(this.site, id);
			if (data) {
				// console.log('from strg', id);
				YTMA.external.populate(data);
				YTMA.ajaxQueue.remove(this.site, id);
			}
		},
		next: function (id) { //console.log('nx current:', id, this.queue.length, this.queue.current);
			this.queue.current += 1;

			YTMA.ajax.load(this.site, id, this.queue.set[id]);
			YTMA.ajaxQueue.remove(this.site, id);

			if (this.queue.current > 0 && this.queue.current % YTMA.ajax.maxBatch === 0) {
				this.pause(this.queue.timeout);
				return false;
			}
		}
	};

	/** E X T E R N A L Access 
	 * Data from external sites
	 */
	YTMA.external = {
		version: 'ytma.4.1.dat',
		parse: function (response, site, id) {
			if (this.parsers[site]) {
				response = YTMA.DB.csr[site] ? response : JSON.parse(response);
				this.populate(this.helper.cutDescription(this.parsers[site](response, id)));
			}
		},
		parsers: {
			soundcloud: function (j, id) {
				return {
					site: 'soundcloud',
					id: id, //unescape(j.html).match(/tracks\/(\d+)/)[1],
					title: j.title,
					desc: j.description,
					th: j.thumbnail_url //,
					// embd: j.html
				};
			},
			vimeo: function (j) {
				j = j[0];
				return {
					site: 'vimeo',
					id: j.id,
					title: j.title + ' ' + YTMA.external.helper.time(j.duration),
					desc: j.description.replace(/<br.?.?>/g, ''),
					th: unescape(j.thumbnail_medium)
				};
			},
			youtube: function (j) {
				j = j.entry;
				var o = {
					site: 'youtube',
					id: j.media$group.yt$videoid.$t,
					error: !j.media$group.yt$duration
				};
				if (!o.error) {
					o.title = j.title.$t + ' ' + YTMA.external.helper.time(j.media$group.yt$duration.seconds);
					o.desc = j.media$group.media$description.$t;
				}
				return o;
			},
			vine: function (html, id) {
				var o, doc = document.implementation.createHTMLDocument("");
				doc.documentElement.innerHTML = html;

				o = {
					site: 'vine',
					id: id, //doc.querySelector('meta[property="twitter:app:url:googleplay"]').content.split('/').slice(-1),
					title: doc.querySelector('meta[property="twitter:title"]').content,
					desc: doc.querySelector('meta[property="twitter:description"]').content,
					th: doc.querySelector('meta[property="twitter:image"]').content.split('?')[0]
				};

				doc = null;

				return o;
			}
		},
		set: function (data) {
			if (!this.db[data.site]) {
				this.db[data.site] = {};
			}
			this.db[data.site][data.id] = data;
			return this.save();
		},
		unset: function (data) {
			// console.log('unset', data.id);
			if (data.site) {
				delete this.db[data.site][data.id];
				return this.save();
			}
		},
		limitDB: function (max) {
			var i, x = 0, half = Math.round(max / 2), db = {};

			if (Object.keys(this.db).length >= max) {
				for (i in this.db) {
					if (this.db.hasOwnProperty(i)) {
						if (x >= half) {
							break;
						}
						db[i] = this.db[i];
						x++;
					}
				}
				this.db = db;
			}

			return this.db;
		},
		save: function () {
			return strg.save(this.version, this.limitDB(1200));
		},
		helper: {
			cutDescription: function (data) {
				if (data.desc && data.desc.length > 140) {
					data.full = data.desc;
					data.desc = data.desc.substr(0, 130) + ' . . .';
				}
				return data;
			},
			time: function (secs) {
				var p = '', H, M, S;
				try {
					H = Math.floor(secs / 3600) % 60;
					M = H ? ('0' + Math.floor(secs / 60) % 60).slice(-2) : Math.floor(secs / 60) % 60;
					S = ('0' + secs % 60).slice(-2);
					p = [' (', H ? H + ':' : '', M, ':', S, ')'].join('');
				} catch (e) {}
				return p;
			},
			thumbnail: function (data) {
				$$.s('[data-ytmid="%id"].ytm_links'.replace('%id', data.id), function (el) {
					el.setAttribute('style', 'background: url(' + data.th + ')');
				});
			},
			titleToggle: function () {
				this.className = this.className === 'ytm_descr' ? 'ytm_descr ytm_descr_open' : 'ytm_descr';
				this.textContent = this.textContent.length < 140 ? this.dataset.full : this.dataset.full.substr(0, 130) + ' . . .';
				this.removeAttribute('style');
			}
		},
		validate: function (data) {
			if (!data || !data.id || data.error) {
				return YTMA.ajax.failure.call(data);
			}

			if (data.id && !data.title && !data.desc) {
				this.unset(data.id);
				return YTMA.ajax.failure.call(data);
			}

			return true;
		},
		populate: function (data, ignoreValidation) {
			if (!ignoreValidation && !this.validate(data)) { return; }

			this.set(data);

			if (data.th) { this.helper.thumbnail(data); }

			$$.s('.ytm_title._' + YTMA.escapeId(data.id), function (el) {
				var q;
				el.textContent = data.title;
				if (data.desc) {
					q = $$.e('q', { className: 'ytm_descr', textContent: data.desc }, el);
					if (data.full) {
						q.dataset.full = data.full;
						q.title = 'Click to toggle the length of the description.';
						q.ondblclick = YTMA.external.helper.titleToggle;
					}
				}
			});
		},
		dataFromStorage: function (site, id) {
			if (this.db && this.db[site]) {
				return this.db[site][id];
			}
		}
	};
	YTMA.external.db = strg.grab(YTMA.external.version, {});

	/** Database */
	YTMA.DB = {
		extension: window.chrome && window.chrome.extension,
		slim: {
			html5: true
		},
		dataless: {
			html5: true,
			gfycat: true
		},
		scroll: {
			html5: true,
			soundcloud: true
		},
		sites: {
			youtube: 'https://www.youtube-nocookie.com/',
			vimeo: 'http://vimeo.com/',
			vine: 'https://vine.co/',
			gfycat: 'https://gfycat.com/',
			html5: true,
			soundcloud: 'https://soundcloud.com'
		},
		browser: {
			pod: YTMA.reg.ios.test(navigator.userAgent),
			ie: !document.body.addEventListener && document.selection // IE, basically | window.navigator.cpuClass
		},
		player: {
			ratio: {
				SD: 1,
				HD: 2,
				PORTRAIT: 3
			},
			size: {
				HIDDEN: 0,
				S: 240,
				M: 360,
				L: 480,
				X: 720
			}
		},
		playerSize: {
			ratios: {
				1: 'sd',
				2: '',
				3: 'pr'
			},
			sizes: {
				0   : 'h',
				240 : 's',
				360 : 'm',
				480 : 'l',
				720 : 'xl'
			},
			get: function (ratio, size) {
				return 'ytm_player ytm_player_' + this.ratios[ratio] + ' ytm_player_' + this.sizes[size];
			}
		},
		ratios: {
			1: 3 / 4,
			2: 9 / 16,
			3: 16 / 10
		},
		sizes: {
			0   : 0,
			240 : 360,
			360 : 640,
			480 : 853,
			720 : 1280
		},
		qualities: {
			240  : 'small',
			360  : 'medium',
			480  : 'large',
			720  : 'hd720',
			1080 : 'hd1080',
			1081 : 'highres',
			get: function (quality) {
				return this[quality] || this[360];
			}
		},
		ajax: {
			youtube: 'https://gdata.youtube.com/feeds/api/videos/%key?v=2&alt=json',
			vimeo: 'https://vimeo.com/api/v2/video/%key.json',
			soundcloud: 'https://soundcloud.com/oembed?format=json&url=%uri'
			// vine: 'https://vine.co/v/%key'
		},
		csr: { // cross-site request
			vine: true
		},
		sources: {
			html5: function () {
				return [{src: this.parent.data.uri}];
			},
			gfycat: function () {
				return [{type: 'text/html', src: 'https://gfycat.com/iframe/' + this.parent.data.id }, false];
			},
			youtube: function () {
				return [
					{type: 'text/html', src: YTMA.DB.sites[this.parent.data.site] + 'embed/' + this.parent.data.id + '?version=3&theme=dark&color=white&showinfo=1&vq=' + this.$quality + '#at=' + this.$start},
					{type: 'application/x-shockwave-flash', src: YTMA.DB.sites[this.parent.data.site] + 'v/' + this.parent.data.id + '?version=3&theme=dark&color=white&showinfo=1&vq=' + this.$quality + '&start=' + this.$start}
				];
			},
			vimeo: function () {
				return [{type: 'text/html', src: 'http://player.vimeo.com/video/' + this.parent.data.id + '?badge=0'}, false];
			},
			vine: function () {
				return [{type: 'text/html', src: 'https://vine.co/v/' + this.parent.data.id + '/embed/simple'}, false]; // card
			},
			soundcloud: function () { // https://p1.soundcloud.com/player.swf?referer=&url=http%3A%2F%2Fapi.soundcloud.com%2Ftracks%2F101399476
				return [{type: 'application/x-shockwave-flash', src: 'https://p1.soundcloud.com/player.swf?show_comments=false&url=' + this.parent.data.uri}, false];
			}
		}
	};

	/** P L A Y E R CLASS
	 *  @param parent YTMA instance
	 */
	YTMA.Player = function (parent) {
		this.parent = parent;
		this.$quality = this.$size = this.$ratio = this.$source = null;
		this.$start = this.time();
		this.$quality = YTMA.DB.qualities.get(YTMA.user.preferences.quality);
		this.$source = YTMA.DB.sources[this.parent.data.site].call(this);

		this.$media = this.mediaFrame();
		this.$proxy = $$.e('div', {className: 'ymt_proxy'}, this.$media, true);
		this.$placeholder = $$.e('div', {className: 'ytm_placeholder ytm_video'});
		this.$placeholder.dataset.empty = true;

		this.$player = $$.e('div', {className: 'ytm_player', '$data-ytmuid': this.parent.data.uid}, this.$placeholder, true);

		this.dimmensions(YTMA.user.preferences.ratio, YTMA.user.preferences.size);
	};

	YTMA.Player.prototype = {
		constructor: YTMA.Player,
		dimmensions: function (ratio, size) {
			this.$ratio = isNumber(ratio) ? ratio : this.$ratio;
			this.$size = isNumber(size) ? size : this.$size;
			this.$player.className = YTMA.DB.playerSize.get(this.$ratio, this.$size);
		},
		reset: function () {
			this.dimmensions();
			this.parent.events.select.call(this.parent,
				this.parent.ul.querySelector('li[data-value="' + this.$size + '"]'), 'size');
		},
		time: function () {
			try {
				var m = this.parent.data.uri.match(YTMA.reg.time).slice(1, 3);
				return ((+m[0] || 0) * 60) + (+m[1] || 0);
			} catch (e) { return 0; }
		},
		mediaFrame: function () {
			if (this.parent.data.site === 'html5') {
				return $$.e('video', {
					src: this.$source[0].src,
					controls: true,
					autoplay: false,
					loop: true,
					className: 'ytm_video',
					$allowscriptaccess: true,
					preload: 'metadata'
				});
			}
			if (YTMA.user.preferences.flash === 1 && this.$source[1]) {
				return $$.a($$.e('object', {$type: this.$source[1].type, data: this.$source[1].src, className: 'ytm_video'}),
					$$.e('param', {name: 'movie', value: this.$source[1].src}),
					$$.e('param', {name: 'AllowScriptAccess', value: 'always'}),
					$$.e('param', {name: 'wmode', value: 'opaque'}),
					$$.e('param', {name: 'allowFullScreen', value: 'true'}));
			}
			return $$.e('iframe', {$allowfullscreen: true, $type: this.$source[0].type, src: this.$source[0].src, className: 'ytm_video'});
		},
		removeMedia: function () {
			this.mode = 'remove';
			try {
				this.$placeholder.removeChild(this.$proxy);
			} catch (e) {
				// console.error(e);
			}
			// console.log('removed media');
		},
		switchToMedia: function () {
			if (this.$size === 0) { this.reset(); }
			this.mode = 'media';
			// console.log('switch to media');
			this.$placeholder.appendChild(this.$proxy);
			this.$placeholder.dataset.empty = false;
		},
		switchToPlaceholder: function () {
			this.mode = 'placeholder';
			// console.log('switch to placeholder');
			this.$placeholder.removeChild(this.$proxy);
			this.$placeholder.dataset.empty = true;
		},
		isPlaceholder: function () {
			return this.mode === 'placeholder';
		}
	};

	YTMA.prototype = {
		constructor: YTMA,
		events: {
			videoBar: function (evt) {
				var e = evt.target,
					n = parseInt(e.dataset.value, 10),
					t = e.dataset.type;

				if (e.tagName.toLowerCase() === 'li') { // maybe: this.settings.fire[t].call(this, e, n)
					if (t === 'settings') {
						YTMA.user.fn.formToggle();
					} else if (t === 'close') {
						if (this.data.site === 'html5') {
							this.dom.closeAll(this.data.id);
						} else {
							this.dom.disableOpenOnScroll.call(this);
							this.toggle();
						}
					} else if (t === 'ratio') {
						this.player.dimmensions(n);
						this.events.select.call(this, e, 'ratio');
					} else if (t === 'size') {
						this.player.dimmensions(null, n);
						this.events.select.call(this, e, 'size');
					}
				}
			},
			select: function (e, type) {
				e.id = type + this.data.uid;
				try {
					this.selected[type].removeAttribute('id');
				} catch (er) {}
				this.selected[type] = e;
			},
			manualLoad: function (e) {
				// console.log(this);
				e.preventDefault();
				var d = e.target.dataset;
				YTMA.ajax.load(d.site, d.id, d.uri);
			}
		},
		selected: {
			size: null,
			ratio: null
		},
		setup: function (link) {
			this.dom.mod[this.data.site].call(this, link);
			this.dom.link.call(this, link);
			this.dom.span.call(this);
		},
		dom: {
			closeAll: function (id) {
				var group = YTMA.collect(id);
				// console.log('closing', group.length);
				group.forEach(function (y) {
					// y.dom.disableOpenOnScroll.call(y);
					y.a.dataset.scroll = false;
					y.toggle();
				});
			},
			disableOpenOnScroll: function () {
				this.a.dataset.scroll = false;
			},
			list: function (className, elements) {
				var li = $$.e('li'),
					ul = $$.e('ul', {className: className}, li),
					f = document.createDocumentFragment(),
					i,
					e;

				for (i = 0; i < elements.length; i++) {
					e = elements[i];
					if (e) {
						f.appendChild(this.dom.li.call(this, e.type, e.text, e.value, e.title));
					}
				}
				ul.appendChild(f);
				return li;
			},
			li: function (type, txt, value, title) {
				var l = $$.e('li', {'$data-type': type, textContent: txt, '$data-value': value, title: title});
				if ((type === 'size' && this.player.$size === value) || (type === 'ratio' && this.player.$ratio === value)) {
					this.events.select.call(this, l, type);
				}
				return l;
			},
			link: function (link) {
				if (link.getElementsByTagName('img').length === 0) {
					link.className += ' ytm_link ytm_link_' + this.data.site + ' ';
				}
				link.dataset.ytmid = this.data.id;
				link.dataset.ytmuid = this.data.uid;
				link.dataset.ytmsid = this.data.sid;
				link.title = 'Visit the video page.';
				link.parentNode.insertBefore(this.wrs, link.nextSibling);
			},
			mod: { // modifies the link and other site-specific items
				youtube: function (a) {
					this.spn.title = 'YTMA!';
					this.spn.addEventListener('mouseenter', this.thumb.start.bind(this), false);
					this.spn.addEventListener('mouseleave', this.thumb.stop, false);
					this.spn.style.backgroundImage = ['url(https://i3.ytimg.com/vi/', this.data.id, '/1.jpg)'].join('');
					a.href = a.href.replace('http:', 'https:').replace('youtu.be/', 'youtube.com/watch?v=');
				},
				vimeo: function () {
					this.spn.title = 'Vimeo Me Too!';
				},
				vine: function () {
					this.spn.title = 'Vine Me!';
				},
				soundcloud: function () {
					this.spn.title = 'Sound Off!';
				},
				html5: function () {
					this.spn.title = 'HTML5 Me!';
				},
				gfycat: function () {
					this.spn.style.backgroundImage = ['url(https://thumbs.gfycat.com/', this.data.id, '-poster.jpg)'].join('');
					this.spn.title = 'Gfycat Meow!';
				}
			},
			ui: function () {
				var f = document.createDocumentFragment();
				$$.a(f,
					this.dom.list.call(this, 'ytm_ratios', [
						{type: 'ratio', text: '4:3', value: YTMA.DB.player.ratio.SD, title: 'SD'},
						{type: 'ratio', text: '16:9', value: YTMA.DB.player.ratio.HD, title: 'Landscape'},
						{type: 'ratio', text: '9:16', value: YTMA.DB.player.ratio.PORTRAIT, title: 'Portrait'}]),
					this.dom.list.call(this, 'ytm_sizes', [
						{type: 'size', text: '\u00D8', value: YTMA.DB.player.size.HIDDEN, title: 'Hide the video.'},
						{type: 'size', text: 'S', value: YTMA.DB.player.size.S, title: '240p'},
						{type: 'size', text: 'M', value: YTMA.DB.player.size.M, title: '360p'},
						{type: 'size', text: 'L', value: YTMA.DB.player.size.L, title: '480p'},
						{type: 'size', text: 'X', value: YTMA.DB.player.size.X, title: '720p'}]),
					this.dom.list.call(this, 'ytm_options', [
						strg.on ? {type: 'settings', text: '!', title: 'YTMA Settings'} : false,
						{type: 'close', text: '\u00D7', title: 'Close the video.'}])
					);

				this.ul.appendChild(f);
				this.ul.addEventListener('click', this.events.videoBar.bind(this), false);
				this.wrp.appendChild(this.ul);
				this.spn.parentNode.insertBefore(this.wrp, this.spn.nextSibling);
			},
			span: function () {
				var f = document.createDocumentFragment();

				$$.e('span', {className: 'ytm_init arialsans', textContent: this.spn.title}, this.spn);
				this.spn.title = 'Watch now!';
				f.appendChild(this.spn);

				if (!YTMA.DB.dataless[this.data.site]) {
					f.appendChild(this.dom.preview.call(this));
				}

				if (YTMA.DB.slim[this.data.site]) {
					this.wrs.classList.add('ytm_site_slim');
				}

				if (YTMA.DB.scroll[this.data.site]) {
					this.a.classList.add('ytm_scroll');
				}

				if (YTMA.user.preferences.desc === 2) {
					YTMA.ajaxQueue.add(this.data.site, this.data.id, this.data.uri);
				}

				this.wrs.appendChild(f);
			},
			preview: function () {
				var a, s;
				s = $$.e('span', {className: 'ytm_title ytm_manual _' + this.data.sid});
				a = $$.e('a', {
					textContent: YTMA.user.preferences.desc === 2 ? 'Loading data . . .' : 'Load description.',
					href: '#',
					title: 'Load this video\'s description.',
					'$data-id': this.data.id,
					'$data-site': this.data.site,
					'$data-uri': this.data.uri
				});
				a.addEventListener('click', this.events.manualLoad.bind(this), false);
				return $$.a(s, a);
			}
		},
		createPlayer: function () {
			this.player = new YTMA.Player(this);
			this.dom.ui.call(this);
		},
		show: function () {
			if (!this.player) {
				this.createPlayer();
			}

			this.toggle(true);

			if (YTMA.user.preferences.focus) {
				document.location.hash = '#' + this.wrs.id;
			}
		},
		toggle: function (show, placeholder) { // the object is removed from or reattached to the DOM
			// if (this.data.open === !!show) { return; }
			this.data.open = !!show;
			if (show) {
				this.spn.classList.add('ytm_none');
				this.wrp.classList.remove('ytm_none');

				if (!this.player.$player.parentNode) {
					this.wrp.appendChild(this.player.$player);
				}
				this.player.switchToMedia();
			} else {
				if (placeholder) {
					this.player.switchToPlaceholder();
				} else {
					if (this.player) {
						this.player.removeMedia();
					}
					this.spn.classList.remove('ytm_none');
					this.wrp.classList.add('ytm_none');
				}
			}
		},
		thumb: {
			start: function (e) {
				var el = e.target;
				el.dataset.thumb = el.dataset.thumb > 0 ? (el.dataset.thumb % 3) + 1 : 2;
				el.style.backgroundImage = ['url(https://i3.ytimg.com/vi/', el.dataset.ytmid, '/', el.dataset.thumb, '.jpg)'].join('');
				el.dataset.timeout = window.setTimeout(this.thumb.start.bind(this, e), 800);
			},
			stop: function (e) {
				window.clearTimeout(e.target.dataset.timeout);
			}
		}
	};

	/** S C R O L L CLASS
	 * Window-Scroll Event Helper
	 */
	YTMA.Scroll = (function () {

		function Scroll(selector, cb, delay) {
			this.selector = selector;
			this.cb = cb;

			// console.log('YTMA.Scroll Monitor: ', selector);
			this.bound = Scroll.debounce(this.monitor.bind(this), delay || 500);

			this.bound();
			window.addEventListener('scroll', this.bound, false);
		}

		Scroll.debounce = function (fn, delay) {
			var timeout;
			delay = delay || 250;

			return function () {
				var self = this, args = arguments, timed;

				timed = function () {
					timeout = null;
					fn.apply(self, args);
				};

				window.clearTimeout(timeout);
				timeout = window.setTimeout(timed, delay);
			};
		};

		Scroll.visible = function (el) {
			var bound = el.getBoundingClientRect();
			return (bound.top >= 0 && bound.top <= document.documentElement.clientHeight);
		};

		Scroll.visibleAll = function (el, offset) {
			var bound = el.getBoundingClientRect(),
				height = document.documentElement.clientHeight;
			offset = isNumber(offset) ? +offset : 0;
			return ((bound.bottom + offset >= 0)
						&& (bound.top <= height + offset || bound.bottom <= height - offset));
		};

		Scroll.prototype = {
			stop: function () {
				// console.log('clear scroll: ', this.selector);
				window.removeEventListener('scroll', this.bound);
			},
			monitor: function () {
				$$.s(this.selector, this.cb);
			}
		};

		return Scroll;

	}());

	YTMA.main();
	window.YTMA = YTMA;

}());