726 lines
22 KiB
JavaScript
726 lines
22 KiB
JavaScript
/* Some scripts and stuff
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--------------------------*/
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/* Target-Blank for CSS-Class "external"
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--------------------------*/
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function externalLinks() {
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if (!document.getElementsByTagName) {return;}
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var anchors = document.getElementsByTagName("a");
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for (var i=0; i<anchors.length; i++) {
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var anchor = anchors[i];
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if (anchor.getAttribute("href") && anchor.getAttribute("class") === "external") {
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anchor.target = "_blank";
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}
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}
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}
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window.onload = externalLinks;
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// or in jQuery
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/*
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$('a[rel="external"]').attr('target', '_blank');
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*/
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/* InstantClick 3.0.1 | (C) 2014 Alexandre Dieulot | http://instantclick.io/license.html */
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var InstantClick = function(document, location) {
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// Internal variables
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var $ua = navigator.userAgent,
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$hasTouch = 'createTouch' in document,
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$currentLocationWithoutHash,
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$urlToPreload,
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$preloadTimer,
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// Preloading-related variables
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$history = {},
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$xhr,
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$url = false,
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$title = false,
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$mustRedirect = false,
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$body = false,
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$timing = {},
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$isPreloading = false,
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$isWaitingForCompletion = false,
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$trackedAssets = [],
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// Variables defined by public functions
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$useWhitelist,
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$preloadOnMousedown,
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$delayBeforePreload,
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$eventsCallbacks = {
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fetch: [],
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receive: [],
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wait: [],
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change: []
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}
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////////// HELPERS //////////
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function removeHash(url) {
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var index = url.indexOf('#')
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if (index < 0) {
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return url
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}
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return url.substr(0, index)
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}
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function getLinkTarget(target) {
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while (target.nodeName != 'A') {
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target = target.parentNode
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}
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return target
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}
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function isBlacklisted(elem) {
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do {
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if (!elem.hasAttribute) { // Parent of <html>
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break
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}
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if (elem.hasAttribute('data-instant')) {
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return false
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}
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if (elem.hasAttribute('data-no-instant')) {
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return true
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}
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}
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while (elem = elem.parentNode);
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return false
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}
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function isWhitelisted(elem) {
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do {
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if (!elem.hasAttribute) { // Parent of <html>
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break
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}
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if (elem.hasAttribute('data-no-instant')) {
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return false
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}
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if (elem.hasAttribute('data-instant')) {
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return true
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}
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}
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while (elem = elem.parentNode);
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return false
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}
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function triggerPageEvent(eventType, arg1) {
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for (var i = 0; i < $eventsCallbacks[eventType].length; i++) {
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$eventsCallbacks[eventType][i](arg1)
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}
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/* The `change` event takes one boolean argument: "isInitialLoad" */
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}
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function changePage(title, body, newUrl, scrollY) {
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document.title = title
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document.documentElement.replaceChild(body, document.body)
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/* We cannot just use `document.body = doc.body`, it causes Safari (tested
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5.1, 6.0 and Mobile 7.0) to execute script tags directly.
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*/
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if (newUrl) {
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history.pushState(null, null, newUrl)
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var hashIndex = newUrl.indexOf('#'),
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hashElem = hashIndex > -1
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&& document.getElementById(newUrl.substr(hashIndex + 1)),
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offset = 0
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if (hashElem) {
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while (hashElem.offsetParent) {
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offset += hashElem.offsetTop
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hashElem = hashElem.offsetParent
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}
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}
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scrollTo(0, offset)
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$currentLocationWithoutHash = removeHash(newUrl)
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}
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else {
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scrollTo(0, scrollY)
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}
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instantanize()
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bar.done()
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triggerPageEvent('change', false)
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}
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function setPreloadingAsHalted() {
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$isPreloading = false
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$isWaitingForCompletion = false
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}
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////////// EVENT HANDLERS //////////
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function mousedown(e) {
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preload(getLinkTarget(e.target).href)
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}
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function mouseover(e) {
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var a = getLinkTarget(e.target)
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a.addEventListener('mouseout', mouseout)
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if (!$delayBeforePreload) {
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preload(a.href)
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}
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else {
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$urlToPreload = a.href
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$preloadTimer = setTimeout(preload, $delayBeforePreload)
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}
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}
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function touchstart(e) {
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var a = getLinkTarget(e.target)
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if ($preloadOnMousedown) {
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a.removeEventListener('mousedown', mousedown)
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}
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else {
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a.removeEventListener('mouseover', mouseover)
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}
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preload(a.href)
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}
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function click(e) {
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if (e.which > 1 || e.metaKey || e.ctrlKey) { // Opening in new tab
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return
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}
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e.preventDefault()
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display(getLinkTarget(e.target).href)
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}
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function mouseout() {
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if ($preloadTimer) {
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clearTimeout($preloadTimer)
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$preloadTimer = false
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return
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}
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if (!$isPreloading || $isWaitingForCompletion) {
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return
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}
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$xhr.abort()
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setPreloadingAsHalted()
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}
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function readystatechange() {
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if ($xhr.readyState < 4) {
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return
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}
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if ($xhr.status == 0) {
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/* Request aborted */
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return
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}
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$timing.ready = +new Date - $timing.start
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triggerPageEvent('receive')
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if ($xhr.getResponseHeader('Content-Type').match(/\/(x|ht|xht)ml/)) {
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var doc = document.implementation.createHTMLDocument('')
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doc.documentElement.innerHTML = $xhr.responseText
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$title = doc.title
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$body = doc.body
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var urlWithoutHash = removeHash($url)
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$history[urlWithoutHash] = {
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body: $body,
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title: $title,
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scrollY: urlWithoutHash in $history ? $history[urlWithoutHash].scrollY : 0
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}
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var elems = doc.head.children,
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found = 0,
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elem,
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data
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for (var i = elems.length - 1; i >= 0; i--) {
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elem = elems[i]
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if (elem.hasAttribute('data-instant-track')) {
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data = elem.getAttribute('href') || elem.getAttribute('src') || elem.innerHTML
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for (var j = $trackedAssets.length - 1; j >= 0; j--) {
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if ($trackedAssets[j] == data) {
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found++
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}
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}
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}
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}
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if (found != $trackedAssets.length) {
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$mustRedirect = true // Assets have changed
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}
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}
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else {
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$mustRedirect = true // Not an HTML document
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}
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if ($isWaitingForCompletion) {
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$isWaitingForCompletion = false
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display($url)
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}
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}
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////////// MAIN FUNCTIONS //////////
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function instantanize(isInitializing) {
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var as = document.getElementsByTagName('a'),
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a,
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domain = location.protocol + '//' + location.host
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for (var i = as.length - 1; i >= 0; i--) {
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a = as[i]
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if (a.target // target="_blank" etc.
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|| a.hasAttribute('download')
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|| a.href.indexOf(domain + '/') != 0 // Another domain, or no href attribute
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|| (a.href.indexOf('#') > -1
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&& removeHash(a.href) == $currentLocationWithoutHash) // Anchor
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|| ($useWhitelist
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? !isWhitelisted(a)
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: isBlacklisted(a))
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) {
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continue
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}
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a.addEventListener('touchstart', touchstart)
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if ($preloadOnMousedown) {
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a.addEventListener('mousedown', mousedown)
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}
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else {
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a.addEventListener('mouseover', mouseover)
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}
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a.addEventListener('click', click)
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}
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if (!isInitializing) {
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var scripts = document.body.getElementsByTagName('script'),
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script,
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copy,
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parentNode,
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nextSibling
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for (i = 0, j = scripts.length; i < j; i++) {
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script = scripts[i]
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if (script.hasAttribute('data-no-instant')) {
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continue
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}
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copy = document.createElement('script')
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if (script.src) {
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copy.src = script.src
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}
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if (script.innerHTML) {
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copy.innerHTML = script.innerHTML
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}
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parentNode = script.parentNode
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nextSibling = script.nextSibling
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parentNode.removeChild(script)
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parentNode.insertBefore(copy, nextSibling)
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}
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}
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}
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function preload(url) {
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if (!$preloadOnMousedown
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&& 'display' in $timing
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&& +new Date - ($timing.start + $timing.display) < 100) {
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/* After a page is displayed, if the user's cursor happens to be above
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a link a mouseover event will be in most browsers triggered
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automatically, and in other browsers it will be triggered when the
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user moves his mouse by 1px.
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Here are the behavior I noticed, all on Windows:
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- Safari 5.1: auto-triggers after 0 ms
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- IE 11: auto-triggers after 30-80 ms (depends on page's size?)
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- Firefox: auto-triggers after 10 ms
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- Opera 18: auto-triggers after 10 ms
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- Chrome: triggers when cursor moved
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- Opera 12.16: triggers when cursor moved
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To remedy to this, we do not start preloading if last display
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occurred less than 100 ms ago. If they happen to click on the link,
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they will be redirected.
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*/
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return
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}
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if ($preloadTimer) {
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clearTimeout($preloadTimer)
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$preloadTimer = false
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}
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if (!url) {
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url = $urlToPreload
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}
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if ($isPreloading && (url == $url || $isWaitingForCompletion)) {
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return
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}
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$isPreloading = true
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$isWaitingForCompletion = false
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$url = url
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$body = false
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$mustRedirect = false
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$timing = {
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start: +new Date
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}
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triggerPageEvent('fetch')
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$xhr.open('GET', url)
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$xhr.send()
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}
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function display(url) {
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if (!('display' in $timing)) {
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$timing.display = +new Date - $timing.start
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}
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if ($preloadTimer) {
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/* Happens when there’s a delay before preloading and that delay
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hasn't expired (preloading didn't kick in).
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*/
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if ($url && $url != url) {
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/* Happens when the user clicks on a link before preloading
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kicks in while another link is already preloading.
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*/
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location.href = url
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return
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}
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preload(url)
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bar.start(0, true)
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triggerPageEvent('wait')
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$isWaitingForCompletion = true
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return
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}
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if (!$isPreloading || $isWaitingForCompletion) {
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/* If the page isn't preloaded, it likely means the user has focused
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on a link (with his Tab key) and then pressed Return, which
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triggered a click.
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Because very few people do this, it isn't worth handling this case
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and preloading on focus (also, focusing on a link doesn't mean it's
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likely that you'll "click" on it), so we just redirect them when
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they "click".
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It could also mean the user hovered over a link less than 100 ms
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after a page display, thus we didn't start the preload (see
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comments in `preload()` for the rationale behind this.)
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If the page is waiting for completion, the user clicked twice while
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the page was preloading. Either on the same link or on another
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link. If it's the same link something might have gone wrong (or he
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could have double clicked), so we send him to the page the old way.
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If it's another link, it hasn't been preloaded, so we redirect the
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user the old way.
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*/
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location.href = url
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return
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}
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if ($mustRedirect) {
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location.href = $url
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return
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}
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if (!$body) {
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bar.start(0, true)
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triggerPageEvent('wait')
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$isWaitingForCompletion = true
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return
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}
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$history[$currentLocationWithoutHash].scrollY = pageYOffset
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setPreloadingAsHalted()
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changePage($title, $body, $url)
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}
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////////// PROGRESS BAR FUNCTIONS //////////
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var bar = function() {
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var $barContainer,
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$barElement,
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$barTransformProperty,
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$barProgress,
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$barTimer
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function init() {
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$barContainer = document.createElement('div')
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$barContainer.id = 'instantclick'
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$barElement = document.createElement('div')
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$barElement.id = 'instantclick-bar'
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$barElement.className = 'instantclick-bar'
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$barContainer.appendChild($barElement)
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var vendors = ['Webkit', 'Moz', 'O']
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$barTransformProperty = 'transform'
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if (!($barTransformProperty in $barElement.style)) {
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for (var i = 0; i < 3; i++) {
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if (vendors[i] + 'Transform' in $barElement.style) {
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$barTransformProperty = vendors[i] + 'Transform'
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}
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}
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}
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var transitionProperty = 'transition'
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if (!(transitionProperty in $barElement.style)) {
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for (var i = 0; i < 3; i++) {
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if (vendors[i] + 'Transition' in $barElement.style) {
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transitionProperty = '-' + vendors[i].toLowerCase() + '-' + transitionProperty
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}
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}
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}
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var style = document.createElement('style')
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style.innerHTML = '#instantclick{position:' + ($hasTouch ? 'absolute' : 'fixed') + ';top:0;left:0;width:100%;pointer-events:none;z-index:2147483647;' + transitionProperty + ':opacity .25s .1s}'
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+ '.instantclick-bar{background:#29d;width:100%;margin-left:-100%;height:2px;' + transitionProperty + ':all .25s}'
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/* We set the bar's background in `.instantclick-bar` so that it can be
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overriden in CSS with `#instantclick-bar`, as IDs have higher priority.
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*/
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document.head.appendChild(style)
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if ($hasTouch) {
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updatePositionAndScale()
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addEventListener('resize', updatePositionAndScale)
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addEventListener('scroll', updatePositionAndScale)
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}
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}
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function start(at, jump) {
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$barProgress = at
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if (document.getElementById($barContainer.id)) {
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document.body.removeChild($barContainer)
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}
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$barContainer.style.opacity = '1'
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if (document.getElementById($barContainer.id)) {
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document.body.removeChild($barContainer)
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/* So there's no CSS animation if already done once and it goes from 1 to 0 */
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}
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update()
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if (jump) {
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setTimeout(jumpStart, 0)
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/* Must be done in a timer, otherwise the CSS animation doesn't happen. */
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}
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clearTimeout($barTimer)
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$barTimer = setTimeout(inc, 500)
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}
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function jumpStart() {
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$barProgress = 10
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update()
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}
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function inc() {
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$barProgress += 1 + (Math.random() * 2)
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if ($barProgress >= 98) {
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$barProgress = 98
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}
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else {
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$barTimer = setTimeout(inc, 500)
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}
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update()
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}
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function update() {
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$barElement.style[$barTransformProperty] = 'translate(' + $barProgress + '%)'
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if (!document.getElementById($barContainer.id)) {
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document.body.appendChild($barContainer)
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}
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}
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function done() {
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if (document.getElementById($barContainer.id)) {
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clearTimeout($barTimer)
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$barProgress = 100
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update()
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$barContainer.style.opacity = '0'
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/* If you're debugging, setting this to 0.5 is handy. */
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return
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}
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/* The bar container hasn't been appended: It's a new page. */
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start($barProgress == 100 ? 0 : $barProgress)
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/* $barProgress is 100 on popstate, usually. */
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setTimeout(done, 0)
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/* Must be done in a timer, otherwise the CSS animation doesn't happen. */
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}
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function updatePositionAndScale() {
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/* Adapted from code by Sam Stephenson and Mislav Marohnić
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http://signalvnoise.com/posts/2407
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*/
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$barContainer.style.left = pageXOffset + 'px'
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$barContainer.style.width = innerWidth + 'px'
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$barContainer.style.top = pageYOffset + 'px'
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var landscape = 'orientation' in window && Math.abs(orientation) == 90,
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scaleY = innerWidth / screen[landscape ? 'height' : 'width'] * 2
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/* We multiply the size by 2 because the progress bar is harder
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to notice on a mobile device.
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*/
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$barContainer.style[$barTransformProperty] = 'scaleY(' + scaleY + ')'
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}
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return {
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init: init,
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start: start,
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done: done
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}
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}()
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////////// PUBLIC VARIABLE AND FUNCTIONS //////////
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var supported = 'pushState' in history
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&& (!$ua.match('Android') || $ua.match('Chrome/'))
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&& location.protocol != "file:"
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|
||
/* The state of Android's AOSP browsers:
|
||
|
||
2.3.7: pushState appears to work correctly, but
|
||
`doc.documentElement.innerHTML = body` is buggy.
|
||
See details here: http://stackoverflow.com/q/21918564
|
||
Note an issue anymore, but it may fail where 3.0 do, this needs
|
||
testing again.
|
||
|
||
3.0: pushState appears to work correctly (though the URL bar is only
|
||
updated on focus), but
|
||
`document.documentElement.replaceChild(doc.body, document.body)`
|
||
throws DOMException: WRONG_DOCUMENT_ERR.
|
||
|
||
4.0.2: Doesn't support pushState.
|
||
|
||
4.0.4,
|
||
4.1.1,
|
||
4.2,
|
||
4.3: pushState is here, but it doesn't update the URL bar.
|
||
(Great logic there.)
|
||
|
||
4.4: Works correctly. Claims to be 'Chrome/30.0.0.0'.
|
||
|
||
All androids tested with Android SDK's Emulator.
|
||
Version numbers are from the browser's user agent.
|
||
|
||
Because of this mess, the only whitelisted browser on Android is Chrome.
|
||
*/
|
||
|
||
function init() {
|
||
if ($currentLocationWithoutHash) {
|
||
/* Already initialized */
|
||
return
|
||
}
|
||
if (!supported) {
|
||
triggerPageEvent('change', true)
|
||
return
|
||
}
|
||
for (var i = arguments.length - 1; i >= 0; i--) {
|
||
var arg = arguments[i]
|
||
if (arg === true) {
|
||
$useWhitelist = true
|
||
}
|
||
else if (arg == 'mousedown') {
|
||
$preloadOnMousedown = true
|
||
}
|
||
else if (typeof arg == 'number') {
|
||
$delayBeforePreload = arg
|
||
}
|
||
}
|
||
$currentLocationWithoutHash = removeHash(location.href)
|
||
$history[$currentLocationWithoutHash] = {
|
||
body: document.body,
|
||
title: document.title,
|
||
scrollY: pageYOffset
|
||
}
|
||
|
||
var elems = document.head.children,
|
||
elem,
|
||
data
|
||
for (var i = elems.length - 1; i >= 0; i--) {
|
||
elem = elems[i]
|
||
if (elem.hasAttribute('data-instant-track')) {
|
||
data = elem.getAttribute('href') || elem.getAttribute('src') || elem.innerHTML
|
||
/* We can't use just `elem.href` and `elem.src` because we can't
|
||
retrieve `href`s and `src`s from the Ajax response.
|
||
*/
|
||
$trackedAssets.push(data)
|
||
}
|
||
}
|
||
|
||
$xhr = new XMLHttpRequest()
|
||
$xhr.addEventListener('readystatechange', readystatechange)
|
||
|
||
instantanize(true)
|
||
|
||
bar.init()
|
||
|
||
triggerPageEvent('change', true)
|
||
|
||
addEventListener('popstate', function() {
|
||
var loc = removeHash(location.href)
|
||
if (loc == $currentLocationWithoutHash) {
|
||
return
|
||
}
|
||
|
||
if (!(loc in $history)) {
|
||
location.href = location.href
|
||
/* Reloads the page while using cache for scripts, styles and images,
|
||
unlike `location.reload()` */
|
||
return
|
||
}
|
||
|
||
$history[$currentLocationWithoutHash].scrollY = pageYOffset
|
||
$currentLocationWithoutHash = loc
|
||
changePage($history[loc].title, $history[loc].body, false, $history[loc].scrollY)
|
||
})
|
||
}
|
||
|
||
function on(eventType, callback) {
|
||
$eventsCallbacks[eventType].push(callback)
|
||
}
|
||
|
||
|
||
/* The debug function isn't included by default to reduce file size.
|
||
To enable it, add a slash at the beginning of the comment englobing
|
||
the debug function, and uncomment "debug: debug," in the return
|
||
statement below the function. */
|
||
|
||
/*
|
||
function debug() {
|
||
return {
|
||
currentLocationWithoutHash: $currentLocationWithoutHash,
|
||
history: $history,
|
||
xhr: $xhr,
|
||
url: $url,
|
||
title: $title,
|
||
mustRedirect: $mustRedirect,
|
||
body: $body,
|
||
timing: $timing,
|
||
isPreloading: $isPreloading,
|
||
isWaitingForCompletion: $isWaitingForCompletion
|
||
}
|
||
}
|
||
//*/
|
||
|
||
|
||
////////////////////
|
||
|
||
|
||
return {
|
||
// debug: debug,
|
||
supported: supported,
|
||
init: init,
|
||
on: on
|
||
}
|
||
|
||
}(document, location);
|
||
|
||
/*
|
||
HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
|
||
*/
|
||
(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
|
||
a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
|
||
c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
|
||
"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
|
||
if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
|