☰

SE Preview on hover

Shows preview of the linked questions/answers on hover

当前为 2017-02-15 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name           SE Preview on hover
  3. // @description    Shows preview of the linked questions/answers on hover
  4. // @version        0.1.7
  5. // @author         wOxxOm
  6. // @namespace      wOxxOm.scripts
  7. // @license        MIT License
  8. // @match          *://*.stackoverflow.com/*
  9. // @match          *://*.superuser.com/*
  10. // @match          *://*.serverfault.com/*
  11. // @match          *://*.askubuntu.com/*
  12. // @match          *://*.stackapps.com/*
  13. // @match          *://*.mathoverflow.net/*
  14. // @match          *://*.stackexchange.com/*
  15. // @require        https://greasyfork.org/scripts/12228/code/setMutationHandler.js
  16. // @require        https://cdnjs.cloudflare.com/ajax/libs/lz-string/1.4.4/lz-string.min.js
  17. // @grant          GM_addStyle
  18. // @grant          GM_xmlhttpRequest
  19. // @connect        stackoverflow.com
  20. // @connect        superuser.com
  21. // @connect        serverfault.com
  22. // @connect        askubuntu.com
  23. // @connect        stackapps.com
  24. // @connect        mathoverflow.net
  25. // @connect        stackexchange.com
  26. // @connect        cdn.sstatic.net
  27. // @run-at         document-end
  28. // @noframes
  29. // ==/UserScript==
  30.  
  31. /* jshint lastsemic:true, multistr:true, laxbreak:true, -W030, -W041, -W084 */
  32.  
  33. const PREVIEW_DELAY = 100;
  34. const CACHE_DURATION = 1 * 60 * 1000; // 1 minute for the recently active posts, scales up logarithmically
  35. const COLORS = {
  36. 	question: {
  37. 		backRGB: '80, 133, 195',
  38. 		fore: '#265184',
  39. 	},
  40. 	answer: {
  41. 		backRGB: '112, 195, 80',
  42. 		fore: '#3f7722',
  43. 		foreInv: 'white',
  44. 	},
  45. 	deleted: {
  46. 		backRGB: '181, 103, 103',
  47. 		fore: 'rgb(181, 103, 103)',
  48. 		foreInv: 'white',
  49. 	},
  50. };
  51.  
  52. let xhr;
  53. let preview = {
  54. 	frame: null,
  55. 	link: null,
  56. 	hover: {x:0, y:0},
  57. 	timer: 0,
  58. 	cacheCSS: {},
  59. 	stylesOverride: '',
  60. };
  61.  
  62. const rxPreviewable = getURLregexForMatchedSites();
  63. const thisPageUrls = getPageBaseUrls(location.href);
  64.  
  65. initStyles();
  66. initPolyfills();
  67. setMutationHandler('a', onLinkAdded, {processExisting: true});
  68. setTimeout(cleanupCache, 10000);
  69.  
  70. /**************************************************************/
  71.  
  72. function onLinkAdded(links) {
  73. 	for (let i = 0, link; (link = links[i++]); ) {
  74. 		if (isLinkPreviewable(link)) {
  75. 			link.removeAttribute('title');
  76. 			link.addEventListener('mouseover', onLinkHovered);
  77. 		}
  78. 	}
  79. }
  80.  
  81. function onLinkHovered(e) {
  82. 	if (e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)
  83. 		return;
  84. 	preview.link = this;
  85. 	preview.link.addEventListener('mousemove', onLinkMouseMove);
  86. 	preview.link.addEventListener('mouseout', abortPreview);
  87. 	preview.link.addEventListener('mousedown', abortPreview);
  88. 	restartPreviewTimer(this);
  89. }
  90.  
  91. function onLinkMouseMove(e) {
  92. 	let stoppedMoving = Math.abs(preview.hover.x - e.clientX) < 2 &&
  93. 				  Math.abs(preview.hover.y - e.clientY) < 2;
  94. 	if (!stoppedMoving)
  95. 		return;
  96. 	preview.hover.x = e.clientX;
  97. 	preview.hover.y = e.clientY;
  98. 	restartPreviewTimer(this);
  99. }
  100.  
  101. function restartPreviewTimer(link) {
  102. 	clearTimeout(preview.timer);
  103. 	preview.timer = setTimeout(() => {
  104. 		preview.timer = 0;
  105. 		link.removeEventListener('mousemove', onLinkMouseMove);
  106. 		if (link.matches(':hover'))
  107. 			downloadPreview(link.href);
  108. 	}, PREVIEW_DELAY);
  109. }
  110.  
  111. function abortPreview(e) {
  112. 	releaseLinkListeners(this);
  113. 	preview.timer = setTimeout(link => {
  114. 		if (link == preview.link && preview.frame && !preview.frame.matches(':hover')) {
  115. 			releaseLinkListeners(link);
  116. 			preview.frame.contentWindow.postMessage('SEpreviewHidden', '*');
  117. 			fadeOut(preview.frame);
  118. 		}
  119. 	}, PREVIEW_DELAY * 3, this);
  120. 	if (xhr)
  121. 		xhr.abort();
  122. }
  123.  
  124. function releaseLinkListeners(link) {
  125. 	link.removeEventListener('mousemove', onLinkMouseMove);
  126. 	link.removeEventListener('mouseout', abortPreview);
  127. 	link.removeEventListener('mousedown', abortPreview);
  128. 	clearTimeout(preview.timer);
  129. }
  130.  
  131. function fadeOut(element, transition) {
  132. 	if (transition) {
  133. 		element.style.transition = typeof transition == 'number' ? `opacity ${transition}s ease-in-out` : transition;
  134. 		return setTimeout(fadeOut, 0, element);
  135. 	}
  136. 	element.style.opacity = 0;
  137. 	element.addEventListener('transitionend', function remove() {
  138. 		element.removeEventListener('transitionend', remove);
  139. 		if (+element.style.opacity === 0)
  140. 			element.style.display = 'none';
  141. 	});
  142. }
  143.  
  144. function downloadPreview(url) {
  145. 	let cached = readCache(url);
  146. 	if (cached)
  147. 		showPreview(cached);
  148. 	else {
  149. 		xhr = GM_xmlhttpRequest({
  150. 			method: 'GET',
  151. 			url: httpsUrl(url),
  152. 			onload: r => {
  153. 				let html = r.responseText;
  154. 				let lastActivity = showPreview({finalUrl: r.finalUrl, html});
  155. 				let inactiveDays = Math.max(0, (Date.now() - lastActivity) / (24 * 3600 * 1000));
  156. 				let cacheDuration = CACHE_DURATION * Math.pow(Math.log(inactiveDays + 1) + 1, 2);
  157. 				writeCache({url, finalUrl: r.finalUrl, html, cacheDuration});
  158. 			},
  159. 		});
  160. 	}
  161. }
  162.  
  163. function showPreview({finalUrl, html, doc}) {
  164. 	doc = doc || new DOMParser().parseFromString(html, 'text/html');
  165. 	if (!doc || !doc.head) {
  166. 		error('no HEAD in the document received for', finalUrl);
  167. 		return;
  168. 	}
  169.  
  170. 	if (!$(doc, 'base'))
  171. 		doc.head.insertAdjacentHTML('afterbegin', `<base href="${finalUrl}">`);
  172.  
  173. 	const answerIdMatch = finalUrl.match(/questions\/.+?\/(\d+)/);
  174. 	const isQuestion = !answerIdMatch;
  175. 	const postId = answerIdMatch ? '#answer-' + answerIdMatch[1] : '#question';
  176. 	const post = $(doc, postId + ' .post-text');
  177. 	if (!post)
  178. 		return error('No parsable post found', doc);
  179. 	const isDeleted = post.closest('.deleted-answer');
  180. 	const title = $(doc, 'meta[property="og:title"]').content;
  181. 	const status = isQuestion && !$(post, '.question-status') && $(doc, '.question-status');
  182. 	const comments = $(doc, `${postId} .comments`);
  183. 	const commentsHidden = +$(comments, 'tbody').dataset.remainingCommentsCount;
  184. 	const commentsShowLink = commentsHidden && $(doc, `${postId} .js-show-link.comments-link`);
  185.  
  186. 	const lastActivity = +doc.body.getAttribute('SEpreview-lastActivity')
  187. 		|| tryCatch(() => new Date($(doc, '.lastactivity-link').title).getTime())
  188. 		|| Date.now();
  189. 	if (lastActivity)
  190. 		doc.body.setAttribute('SEpreview-lastActivity', lastActivity);
  191.  
  192. 	$$remove(doc, 'script');
  193.  
  194. 	// underline previewable links
  195. 	for (let link of $$(doc, 'a:not(.SEpreviewable)')) {
  196. 		if (rxPreviewable.test(link.href)) {
  197. 			link.removeAttribute('title');
  198. 			link.classList.add('SEpreviewable');
  199. 		}
  200. 	}
  201.  
  202. 	if (!preview.frame) {
  203. 		preview.frame = document.createElement('iframe');
  204. 		preview.frame.id = 'SEpreview';
  205.     	document.body.appendChild(preview.frame);
  206. 	}
  207.  
  208. 	preview.frame.setAttribute('SEpreviewType', isDeleted ? 'deleted' : isQuestion ? 'question' : 'answer');
  209. 	onFrameReady(preview.frame, addStyles);
  210. 	return lastActivity;
  211.  
  212. 	function addStyles() {
  213. 		const pvDoc = preview.frame.contentDocument;
  214. 		const SEpreviewStyles = $replaceOrCreate({
  215.     		id: 'SEpreviewStyles',
  216. 			tag: 'style', parent: pvDoc.head, className: 'SEpreviewReuse',
  217. 			innerHTML: preview.stylesOverride,
  218. 		});
  219.  
  220. 		$replaceOrCreate($$(doc, 'style, link[rel="stylesheet"]').map(e =>
  221. 			e.localName == 'style' ? {
  222. 				id: 'SEpreview' + e.innerHTML.replace(/\W+/g, '').length,
  223. 				tag: 'style', before: SEpreviewStyles, className: 'SEpreviewReuse',
  224. 				innerHTML: e.innerHTML,
  225. 			} : {
  226. 				id: e.href.replace(/\W+/g, ''),
  227. 				tag: 'link', before: SEpreviewStyles, className: 'SEpreviewReuse',
  228. 				href: e.href, rel: 'stylesheet',
  229. 			})
  230. 		);
  231.  
  232. 		onStyleSheetsReady([...$$(pvDoc, 'link[rel="stylesheet"]')], render);
  233. 	}
  234.  
  235. 	function render() {
  236. 		const finalUrlOfQuestion = getCacheableUrl(finalUrl);
  237. 		const pvDoc = preview.frame.contentDocument;
  238. 		pvDoc.body.setAttribute('SEpreviewType', preview.frame.getAttribute('SEpreviewType'));
  239.  
  240. 		$replaceOrCreate([{
  241. 			id: 'SEpreviewTitle',
  242. 			tag: 'a', parent: pvDoc.body, className: 'SEpreviewable',
  243.             href: isQuestion ? finalUrl : finalUrlOfQuestion,
  244. 			textContent: title,
  245. 		}, {
  246. 			id: 'SEpreviewBody',
  247. 			tag: 'div', parent: pvDoc.body, className: isDeleted ? 'deleted-answer' : '',
  248. 			children: [post.parentElement, comments, commentsShowLink, status],
  249. 		}]);
  250.  
  251. 		const codeBlocks = $$(pvDoc, 'pre code');
  252. 		if (codeBlocks.length) {
  253. 			codeBlocks.forEach(e => e.parentElement.classList.add('prettyprint'));
  254. 			if (!preview.frame.contentWindow.StackExchange) {
  255. 				preview.frame.contentWindow.StackExchange = {};
  256. 				let script = $scriptIn(pvDoc.head);
  257. 				script.text = 'StackExchange = {}';
  258. 				script = $scriptIn(pvDoc.head);
  259. 				script.src = 'https://cdn.sstatic.net/Js/prettify-full.en.js';
  260. 				script.setAttribute('onload', 'prettyPrint()');
  261. 			} else
  262. 			   $scriptIn(pvDoc.body).text = 'prettyPrint()';
  263. 		}
  264.  
  265. 		const answers = $$(doc, '.answer');
  266. 		if (answers.length > (isQuestion ? 0 : 1)) {
  267. 			$replaceOrCreate({
  268. 				id: 'SEpreviewAnswers',
  269. 				tag: 'div', parent: pvDoc.body,
  270. 				innerHTML: 'Answers:&nbsp;' + answers.map((e, index) => {
  271. 					const shortUrl = $(e, '.short-link').href.replace(/(\d+)\/\d+/, '$1');
  272. 					const extraClasses = (e.matches(postId) ? ' SEpreviewed' : '') +
  273. 					      (e.matches('.deleted-answer') ? ' deleted-answer' : '');
  274. 					return `<a href="${shortUrl}"
  275. 					    SEpreviewFullUrl="${finalUrlOfQuestion + '/' + shortUrl.match(/\/(\d+)/)[1]}"
  276. 						title="${$text(e, '.user-details a') + ' (rep ' + $text(e, '.reputation-score') + ')\n' +
  277. 					             $text(e, '.user-action-time') +
  278. 					             $text(e, '.vote-count-post').replace(/-?\d+/, s =>
  279. 					                  s == '0' ? '' : '\n' + s + ' vote' + (+s > 1 ? 's' : ''))}"
  280. 						class="SEpreviewable${extraClasses}"
  281. 					>${index + 1}</a>`;
  282. 				}).join(''),
  283. 			});
  284. 		} else
  285. 			$$remove(pvDoc, '#SEpreviewAnswers');
  286.  
  287. 		[...$$(pvDoc.head, 'style, link'), ...$$(pvDoc.body, 'script')].forEach(e => {
  288. 			if (e.classList.contains('SEpreviewReuse'))
  289. 				e.classList.remove('SEpreviewReuse');
  290. 			else
  291. 				e.remove();
  292. 		});
  293.  
  294. 		pvDoc.onmouseover = retainMainScrollPos;
  295. 		pvDoc.onclick = interceptLinks;
  296. 		preview.frame.contentWindow.onmessage = e => {
  297. 			if (e.data == 'SEpreviewHidden') {
  298. 				preview.frame.contentWindow.onmessage = null;
  299. 				pvDoc.onmouseover = null;
  300. 				pvDoc.onclick = null;
  301. 			}
  302. 		};
  303.  
  304. 		$(pvDoc, '#SEpreviewBody').scrollTop = 0;
  305. 		preview.frame.style.opacity = 1;
  306. 		preview.frame.style.display = '';
  307. 	}
  308.  
  309. 	function interceptLinks(e) {
  310. 		const link = e.target.closest('a');
  311. 		if (!link)
  312. 			return;
  313. 		if (link.matches('.js-show-link.comments-link')) {
  314. 			fadeOut(link, 0.5);
  315. 			downloadComments();
  316. 		}
  317. 		else if (e.button || e.ctrlKey || e.altKey || e.shiftKey || e.metaKey || !link.matches('.SEpreviewable'))
  318. 			return (link.target = '_blank');
  319. 		else if (link.matches('#SEpreviewAnswers a, a#SEpreviewTitle'))
  320. 			showPreview({
  321. 				finalUrl: link.getAttribute('SEpreviewFullUrl') || link.href,
  322. 				doc
  323. 			});
  324. 		else
  325. 			downloadPreview(link.getAttribute('SEpreviewFullUrl') || link.href);
  326. 		e.preventDefault();
  327. 	}
  328.  
  329. 	function downloadComments() {
  330. 		GM_xmlhttpRequest({
  331. 			method: 'GET',
  332. 			url: new URL(finalUrl).origin + '/posts/' + comments.id.match(/\d+/)[0] + '/comments',
  333. 			onload: r => showComments(r.responseText),
  334. 		});
  335. 	}
  336.  
  337. 	function showComments(html) {
  338. 		let tbody = $(preview.frame.contentDocument, `#${comments.id} tbody`);
  339. 		let oldIds = new Set([...tbody.rows].map(e => e.id));
  340. 		tbody.innerHTML = html;
  341. 		for (let tr of tbody.rows)
  342. 			if (!oldIds.has(tr.id))
  343. 				tr.classList.add('new-comment-highlight');
  344. 	}
  345. }
  346.  
  347. function retainMainScrollPos(e) {
  348. 	let scrollPos = {x:scrollX, y:scrollY};
  349. 	document.addEventListener('scroll', preventScroll);
  350. 	document.addEventListener('mouseover', releaseScrollLock);
  351.  
  352. 	function preventScroll(e) {
  353. 		scrollTo(scrollPos.x, scrollPos.y);
  354. 		log('prevented main page scroll');
  355. 	}
  356.  
  357. 	function releaseScrollLock(e) {
  358. 		document.removeEventListener('mouseout', releaseScrollLock);
  359. 		document.removeEventListener('scroll', preventScroll);
  360. 	}
  361. }
  362.  
  363. function getCacheableUrl(url) {
  364. 	// strips querys and hashes and anything after the main part https://site/questions/####/title/
  365. 	return url
  366. 		.replace(/(\/q(?:uestions)?\/\d+\/[^\/]+).*/, '$1')
  367. 		.replace(/(\/a(?:nswers)?\/\d+).*/, '$1')
  368. 		.replace(/[?#].*$/, '');
  369. }
  370.  
  371. function readCache(url) {
  372. 	keyUrl = getCacheableUrl(url);
  373. 	const meta = (localStorage[keyUrl] || '').split('\t');
  374. 	const expired = +meta[0] < Date.now();
  375. 	const finalUrl = meta[1] || url;
  376. 	const keyFinalUrl = meta[1] ? getCacheableUrl(finalUrl) : keyUrl;
  377. 	return !expired && {
  378. 		finalUrl,
  379. 		html: LZString.decompressFromUTF16(localStorage[keyFinalUrl + '\thtml']),
  380. 	};
  381. }
  382.  
  383. function writeCache({url, finalUrl, html, cacheDuration = CACHE_DURATION, cleanupRetry}) {
  384. 	// keyUrl=expires
  385. 	// redirected keyUrl=expires+finalUrl, and an additional entry keyFinalUrl=expires is created
  386. 	// keyFinalUrl\thtml=html
  387. 	cacheDuration = Math.max(CACHE_DURATION, Math.min(0xDEADBEEF, Math.floor(cacheDuration)));
  388. 	finalUrl = finalUrl.replace(/[?#].*/, '');
  389. 	const keyUrl = getCacheableUrl(url);
  390. 	const keyFinalUrl = getCacheableUrl(finalUrl);
  391. 	const expires = Date.now() + cacheDuration;
  392. 	if (!tryCatch(() => localStorage[keyFinalUrl + '\thtml'] = LZString.compressToUTF16(html))) {
  393. 		if (cleanupRetry)
  394. 			return error('localStorage write error');
  395. 		cleanupCache({aggressive: true});
  396. 		setIimeout(writeCache, 0, {url, finalUrl, html, cacheDuration, cleanupRetry: true});
  397. 	}
  398. 	localStorage[keyFinalUrl] = expires;
  399. 	if (keyUrl != keyFinalUrl)
  400. 		localStorage[keyUrl] = expires + '\t' + finalUrl;
  401. 	setTimeout(() => {
  402. 		[keyUrl, keyFinalUrl, keyFinalUrl + '\thtml'].forEach(e => localStorage.removeItem(e));
  403. 	}, cacheDuration + 1000);
  404. }
  405.  
  406. function cleanupCache({aggressive = false} = {}) {
  407. 	Object.keys(localStorage).forEach(k => {
  408. 		if (k.match(/^https?:\/\/[^\t]+$/)) {
  409. 			let meta = (localStorage[k] || '').split('\t');
  410. 			if (+meta[0] > Date.now() && !aggressive)
  411. 				return;
  412. 			if (meta[1])
  413. 				localStorage.removeItem(meta[1]);
  414. 			localStorage.removeItem(`${meta[1] || k}\thtml`);
  415. 			localStorage.removeItem(k);
  416. 		}
  417. 	});
  418. }
  419.  
  420. function onFrameReady(frame, callback, ...args) {
  421. 	if (frame.contentDocument.readyState == 'complete')
  422. 		return callback.call(frame, ...args);
  423. 	else
  424. 		frame.addEventListener('load', function onLoad() {
  425. 			frame.removeEventListener('load', onLoad);
  426. 			callback.call(frame, ...args);
  427. 		});
  428. }
  429.  
  430. function onStyleSheetsReady(linkElements, callback, ...args) {
  431. 	if (linkElements.every(e => e.sheet && e.sheet.href == e.href))
  432. 		return callback(...args);
  433. 	else
  434. 		setTimeout(onStyleSheetsReady, 0, linkElements, callback, ...args);
  435. }
  436.  
  437. function getURLregexForMatchedSites() {
  438. 	return new RegExp('https?://(\\w*\\.)*(' + GM_info.script.matches.map(m =>
  439. 		m.match(/^.*?\/\/\W*(\w.*?)\//)[1].replace(/\./g, '\\.')
  440. 	).join('|') + ')/(questions|q|a)/\\d+');
  441. }
  442.  
  443. function isLinkPreviewable(link) {
  444. 	const inPreview = link.ownerDocument != document;
  445. 	if (!rxPreviewable.test(link.href) || link.matches('.short-link'))
  446. 		return false;
  447. 	const pageUrls = inPreview ? getPageBaseUrls(preview.link.href) : thisPageUrls;
  448. 	const url = httpsUrl(link.href);
  449. 	return !url.startsWith(pageUrls.base) &&
  450. 		   !url.startsWith(pageUrls.short);
  451. }
  452.  
  453. function getPageBaseUrls(url) {
  454. 	const base = httpsUrl((url.match(rxPreviewable) || [])[0]);
  455. 	return base ? {
  456. 		base,
  457. 		short: base.replace('/questions/', '/q/'),
  458. 	} : {};
  459. }
  460.  
  461. function httpsUrl(url) {
  462. 	return (url || '').replace(/^http:/, 'https:');
  463. }
  464.  
  465. function $(node__optional, selector) {
  466. 	return (node__optional || document).querySelector(selector || node__optional);
  467. }
  468.  
  469. function $$(node__optional, selector) {
  470. 	return (node__optional || document).querySelectorAll(selector || node__optional);
  471. }
  472.  
  473. function $text(node__optional, selector) {
  474. 	const e = $(node__optional, selector);
  475. 	return e ? e.textContent.trim() : '';
  476. }
  477.  
  478. function $$remove(node__optional, selector) {
  479. 	(node__optional || document).querySelectorAll(selector || node__optional)
  480. 		.forEach(e => e.remove());
  481. }
  482.  
  483. function $appendTo(newParent, elements) {
  484. 	const doc = newParent.ownerDocument;
  485. 	for (let e of elements)
  486. 		if (e)
  487. 		   newParent.appendChild(e.ownerDocument == doc ? e : doc.importNode(e, true));
  488. }
  489.  
  490. function $replaceOrCreate(options) {
  491. 	if (options.length && typeof options[0] == 'object')
  492. 		return [].map.call(options, $replaceOrCreate);
  493.     const doc = (options.parent || options.before).ownerDocument;
  494. 	const el = doc.getElementById(options.id) || doc.createElement(options.tag);
  495. 	for (let key of Object.keys(options)) {
  496. 		switch (key) {
  497. 			case 'tag':
  498. 			case 'parent':
  499. 			case 'before':
  500. 				break;
  501. 			case 'children':
  502. 				if (el.children.length)
  503. 					el.innerHTML = '';
  504. 				$appendTo(el, options[key]);
  505. 				break;
  506. 			default:
  507. 				const value = options[key];
  508. 				if (key in el && el[key] != value)
  509. 					el[key] = value;
  510. 		}
  511. 	}
  512. 	if (!el.parentElement)
  513.     	(options.parent || options.before.parentElement).insertBefore(el, options.before);
  514. 	return el;
  515. }
  516.  
  517. function $scriptIn(element) {
  518. 	return element.appendChild(element.ownerDocument.createElement('script'));
  519. }
  520.  
  521. function log(...args) {
  522. 	console.log(GM_info.script.name, ...args);
  523. }
  524.  
  525. function error(...args) {
  526. 	console.error(GM_info.script.name, ...args);
  527. }
  528.  
  529. function tryCatch(fn) {
  530. 	try { return fn() }
  531. 	catch(e) {}
  532. }
  533.  
  534. function initPolyfills() {
  535. 	for (let method of ['forEach', 'filter', 'map', Symbol.iterator])
  536. 		if (!NodeList.prototype[method])
  537. 			NodeList.prototype[method] = Array.prototype[method];
  538. }
  539.  
  540. function initStyles() {
  541. 	GM_addStyle(`
  542. 		#SEpreview {
  543. 			all: unset;
  544. 			box-sizing: content-box;
  545. 			width: 720px; /* 660px + 30px + 30px */
  546. 			height: 33%;
  547. 			min-height: 200px;
  548. 			position: fixed;
  549. 			opacity: 0;
  550. 			transition: opacity .5s cubic-bezier(.88,.02,.92,.66);
  551. 			right: 0;
  552. 			bottom: 0;
  553. 			padding: 0;
  554. 			margin: 0;
  555. 			background: white;
  556. 			box-shadow: 0 0 100px rgba(0,0,0,0.5);
  557. 			z-index: 999999;
  558. 			border: 8px solid rgb(${COLORS.question.backRGB});
  559. 		}
  560. 		#SEpreview[SEpreviewType="answer"] {
  561. 			border-color: rgb(${COLORS.answer.backRGB});
  562. 		}
  563. 		#SEpreview[SEpreviewType="deleted"] {
  564. 			border-color: rgba(${COLORS.deleted.backRGB}, 0.65);
  565. 		}
  566. 	`);
  567.  
  568. 	preview.stylesOverride = `
  569. 		body, html {
  570. 			min-width: unset!important;
  571. 			box-shadow: none!important;
  572. 			padding: 0!important;
  573. 			margin: 0!important;
  574. 		}
  575. 		html, body {
  576. 			background: unset!important;;
  577. 		}
  578. 		body {
  579. 			display: flex;
  580. 			flex-direction: column;
  581. 			height: 100vh;
  582. 		}
  583. 		a.SEpreviewable {
  584. 			text-decoration: underline !important;
  585. 		}
  586. 		#SEpreviewTitle {
  587. 			all: unset;
  588. 			display: block;
  589. 			padding: 20px 30px;
  590. 			font-weight: bold;
  591. 			font-size: 20px;
  592. 			line-height: 1.3;
  593. 			background-color: rgba(${COLORS.question.backRGB}, 0.37);
  594. 			color: ${COLORS.question.fore};
  595. 			cursor: pointer;
  596. 		}
  597. 		#SEpreviewTitle:hover {
  598. 			text-decoration: underline;
  599. 		}
  600. 		#SEpreviewBody {
  601. 			padding: 30px!important;
  602. 			overflow: auto;
  603. 			flex-grow: 2;
  604. 		}
  605. 		#SEpreviewBody .post-menu {
  606. 			display: none!important;
  607. 		}
  608. 		#SEpreviewBody > .question-status {
  609. 			margin: -10px -30px -30px;
  610. 			padding-left: 30px;
  611. 		}
  612. 		#SEpreviewBody > .question-status h2 {
  613. 			font-weight: normal;
  614. 		}
  615.  
  616. 		#SEpreviewBody::-webkit-scrollbar {
  617. 			background-color: rgba(${COLORS.question.backRGB}, 0.1);
  618. 		}
  619. 		#SEpreviewBody::-webkit-scrollbar-thumb {
  620. 			background-color: rgba(${COLORS.question.backRGB}, 0.2);
  621. 		}
  622. 		#SEpreviewBody::-webkit-scrollbar-thumb:hover {
  623. 			background-color: rgba(${COLORS.question.backRGB}, 0.3);
  624. 		}
  625. 		#SEpreviewBody::-webkit-scrollbar-thumb:active {
  626. 			background-color: rgba(${COLORS.question.backRGB}, 0.75);
  627. 		}
  628. /* answer */
  629. 		body[SEpreviewType="answer"] #SEpreviewTitle {
  630. 			background-color: rgba(${COLORS.answer.backRGB}, 0.37);
  631. 			color: ${COLORS.answer.fore};
  632. 		}
  633. 		body[SEpreviewType="answer"] #SEpreviewBody::-webkit-scrollbar {
  634. 			background-color: rgba(${COLORS.answer.backRGB}, 0.1);
  635. 		}
  636. 		body[SEpreviewType="answer"] #SEpreviewBody::-webkit-scrollbar-thumb {
  637. 			background-color: rgba(${COLORS.answer.backRGB}, 0.2);
  638. 		}
  639. 		body[SEpreviewType="answer"] #SEpreviewBody::-webkit-scrollbar-thumb:hover {
  640. 			background-color: rgba(${COLORS.answer.backRGB}, 0.3);
  641. 		}
  642. 		body[SEpreviewType="answer"] #SEpreviewBody::-webkit-scrollbar-thumb:active {
  643. 			background-color: rgba(${COLORS.answer.backRGB}, 0.75);
  644. 		}
  645. /* deleted */
  646. 		body[SEpreviewType="deleted"] #SEpreviewTitle {
  647. 			background-color: rgba(${COLORS.deleted.backRGB}, 0.37);
  648. 			color: ${COLORS.deleted.fore};
  649. 		}
  650. 		body[SEpreviewType="deleted"] #SEpreviewBody::-webkit-scrollbar {
  651. 			background-color: rgba(${COLORS.deleted.backRGB}, 0.1);
  652. 		}
  653. 		body[SEpreviewType="deleted"] #SEpreviewBody::-webkit-scrollbar-thumb {
  654. 			background-color: rgba(${COLORS.deleted.backRGB}, 0.2);
  655. 		}
  656. 		body[SEpreviewType="deleted"] #SEpreviewBody::-webkit-scrollbar-thumb:hover {
  657. 			background-color: rgba(${COLORS.deleted.backRGB}, 0.3);
  658. 		}
  659. 		body[SEpreviewType="deleted"] #SEpreviewBody::-webkit-scrollbar-thumb:active {
  660. 			background-color: rgba(${COLORS.deleted.backRGB}, 0.75);
  661. 		}
  662. /********/
  663. 		#SEpreviewAnswers {
  664. 			all: unset;
  665. 			display: block;
  666. 			padding: 10px 30px;
  667. 			font-weight: bold;
  668. 			font-size: 20px;
  669. 			line-height: 1.3;
  670. 			border-top: 4px solid rgba(${COLORS.answer.backRGB}, 0.37);
  671. 			background-color: rgba(${COLORS.answer.backRGB}, 0.37);
  672. 			color: ${COLORS.answer.fore};
  673. 			word-break: break-word;
  674. 		}
  675. 		#SEpreviewAnswers a {
  676. 			color: ${COLORS.answer.fore};
  677. 			padding: .25ex .75ex;
  678. 			text-decoration: none;
  679. 		}
  680. 		#SEpreviewAnswers a.deleted-answer {
  681. 			color: ${COLORS.deleted.fore};
  682. 			background: transparent;
  683. 		}
  684. 		#SEpreviewAnswers a:hover:not(.SEpreviewed) {
  685. 			text-decoration: underline;
  686. 		}
  687. 		#SEpreviewAnswers a.SEpreviewed {
  688. 			background-color: ${COLORS.answer.fore};
  689. 			color: ${COLORS.answer.foreInv};
  690. 		}
  691. /* deleted */
  692. 		body[SEpreviewType="deleted"] #SEpreviewAnswers {
  693. 			border-top-color: rgba(${COLORS.deleted.backRGB}, 0.37);
  694. 			background-color: rgba(${COLORS.deleted.backRGB}, 0.37);
  695. 			color: ${COLORS.deleted.fore};
  696. 		}
  697. 		body[SEpreviewType="deleted"] #SEpreviewAnswers a.SEpreviewed {
  698. 			background-color: ${COLORS.deleted.fore};
  699. 			color: ${COLORS.deleted.foreInv};
  700. 		}
  701. /********/
  702. 		.comments .new-comment-highlight {
  703. 			-webkit-animation: highlight 9s cubic-bezier(0,.8,.37,.88);
  704. 			-moz-animation: highlight 9s cubic-bezier(0,.8,.37,.88);
  705. 			animation: highlight 9s cubic-bezier(0,.8,.37,.88);
  706. 		}
  707.  
  708. 		@-webkit-keyframes highlight {
  709. 			from {background-color: #ffcf78}
  710. 			to   {background-color: none}
  711. 		}
  712. 	`;
  713. }