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dannygarcia/ac_retina.js

Created November 4, 2013 18:03
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ac_retina.js
AC.Retina = AC.Class();
AC.Retina.prototype = {__defaultOptions: {attribute: "data-hires",recursive: true,queueSize: 8,publishNotifications: true},initialize: function ac_initialize(b) {
this._benchmarkTimer = new Date();
this._options = {};
this._globalBlacklist = null;
this._tagNameBlacklist = null;
this._images = [];
this._paused = false;
this._deferredQueue = null;
this.__queues = [];
AC.Object.synthesize(this);
if (typeof b !== "object") {
b = {}
}
this.setOptions(AC.Object.extend(AC.Object.clone(this.__defaultOptions), b));
this.__setupGlobalBlacklists();
if (!AC.Retina.Debug && this.globalBlacklist().isBlacklisted()) {
this.replace = AC.Function.emptyFunction;
return false
}
if (typeof AC.Retina.imageComponentRegistry === "undefined") {
AC.Retina.imageComponentRegistry = new AC.Registry(AC.Retina.classNamePrefix())
}
this.__listenToMediaQueryChange();
if (AC.Retina.windowHasLoaded) {
this.__setup()
} else {
var a = this.__setup.bind(this);
AC.Element.addEventListener(window, "load", a)
}
},shouldReplace: function ac_shouldReplace(a, h, d) {
var c;
var b;
var g = new AC.Retina.Image(null, d);
if (typeof a === "undefined") {
try {
console.warn("AC.Retina.shouldReplace() expects an argument.")
} catch (f) {
}
}
if (!this.globalBlacklist().isBlacklisted()) {
if (typeof a === "string") {
c = AC.Retina.imageComponentRegistry.lookup(a)
} else {
if (AC.Element.isElement(a)) {
c = AC.Retina.imageComponentRegistry.match(a)
} else {
if (a !== null && typeof a === "object" && AC.Retina.imageComponentRegistry.hasComponent(a)) {
c = a
} else {
c = AC.Retina.imageComponentRegistry.lookup("img-tag")
}
}
}
g.setSrc(h || "http://images.apple.com/global/elements/blank.gif");
g.setComponent(c);
if (c !== null && typeof c === "object" && typeof c.context === "function") {
b = c.context("blacklist");
if (b && typeof b === "object") {
return !b.isBlacklisted(null, g)
}
}
}
return false
},bestSrc: function ac_bestSrc(e, b, d, a) {
if (typeof e !== "string") {
throw "Need a source string to get hires src."
}
var c = new AC.Retina.Image(null, a);
if (typeof b === "string") {
b = AC.Retina.imageComponentRegistry.lookup(b)
}
if (b === null || !(typeof b === "object" && AC.Retina.imageComponentRegistry.hasComponent(b))) {
b = AC.Retina.imageComponentRegistry.lookup("img-tag")
}
c.setSrc(e);
c.setComponent(b);
if (typeof d === "function") {
c.checkExists(d, e)
}
if (!c.isHires() && !c.ignored() && this.shouldReplace(b, e, b)) {
return c.hiresSrc()
} else {
return e
}
},replace: function ac_replace(c, b) {
if (typeof this.__boundAddToQueue === "undefined") {
this.__boundAddToQueue = this.__addToQueue.bind(this)
}
var a;
c = AC.Element.getElementById(c);
b = AC.Element.getElementById(b);
if (!AC.Element.isElement(c)) {
throw "Cannot replace content because scopeElement is not valid"
}
a = this.__findDenotedElements(c, b);
if (a.length < 1) {
return
}
this.__filterDenotedImages(a);
this.__filterChildImages(a);
this.__replaceQueues()
},paused: function ac_paused() {
if (this._paused === true && !this.deferredQueue()) {
this.setDeferredQueue(new AC.DeferredQueue())
}
return this._paused
},pause: function ac_pause() {
if (this.paused()) {
return
}
this.setPaused(true)
},resume: function ac_resume() {
if (!this.paused()) {
return
}
this.setPaused(false);
if (this.deferredQueue()) {
this.deferredQueue().start();
this.setDeferredQueue(null)
}
},publishNotification: function ac_publishNotification(a, b) {
if (typeof AC.NotificationCenter === "object" && this.options().publishNotifications === true) {
AC.NotificationCenter.publish(AC.Retina.classNamePrefix() + a, {target: this,data: b})
}
},subscribeToNotification: function ac_subscribeToNotification(a, b) {
if (typeof AC.NotificationCenter === "object" && this.options().publishNotifications === true) {
AC.NotificationCenter.subscribe(AC.Retina.classNamePrefix() + a, b, this)
}
}};
AC.Retina.rasterImageFormatRegExp = function() {
return AC.Retina._rasterImageFormatRegExp
};
AC.Retina._rasterImageFormatRegExp = /(\.jpg($|#.*|\?.*)|\.png($|#.*|\?.*)|\.gif($|#.*|\?.*))/;
AC.Retina.devicePixelRatio = function() {
if (typeof AC.Retina._devicePixelRatio !== "undefined") {
return AC.Retina._devicePixelRatio
}
var b = false;
var a = null;
if (AC.Retina.minDPRMediaQuery() !== null) {
a = window.matchMedia("(" + AC.Retina.minDPRMediaQuery() + ": " + AC.Retina.minDPR() + ")");
b = a.matches
}
if (a === null) {
b = (typeof window.devicePixelRatio !== "undefined" && window.devicePixelRatio >= AC.Retina.minDPR())
}
if (AC.Retina.Debug || b === true) {
AC.Retina._devicePixelRatio = 2
} else {
AC.Retina._devicePixelRatio = 1
}
return AC.Retina._devicePixelRatio
};
AC.Retina.minDPRMediaQuery = function() {
if (typeof AC.Retina._minDPRMediaQuery !== "undefined") {
return AC.Retina._minDPRMediaQuery
}
var c = ["min-device-pixel-ratio", "-webkit-min-device-pixel-ratio", "min--moz-device-pixel-ratio", "-o-min-device-pixel-ratio"];
var b;
var a;
if (typeof window.matchMedia !== "undefined") {
for (b = 0; b < c.length; b += 1) {
a = window.matchMedia("(" + c[b] + ": 0)");
if (a.matches === true) {
AC.Retina._minDPRMediaQuery = c[b];
return AC.Retina._minDPRMediaQuery
}
}
}
AC.Retina._minDPRMediaQuery = null;
return AC.Retina._minDPRMediaQuery
};
AC.Retina.classNamePrefix = function() {
return AC.Retina._classNamePrefix
};
AC.Retina._classNamePrefix = "ac-retina-";
AC.Retina.minDPR = function() {
return AC.Retina._minDPR
};
AC.Retina._minDPR = 1.5;
AC.Retina.windowHasLoaded = false;
AC.Element.addEventListener(window, "load", function() {
AC.Retina.windowHasLoaded = true
});
AC.Retina.iOSHandheld = function() {
AC.log("AC.Retina.iOSHandheld is deprecated. For use outside of AC.Retina, use AC.Environment methods instead.");
return AC.Retina.Blacklist.Qualifiers.iOSHandheld()
};
AC.Object.extend(AC.Retina.prototype, {__setupGlobalBlacklists: function ac___setupGlobalBlacklists() {
this.setGlobalBlacklist(new AC.Retina.Blacklist([AC.Retina.Blacklist.Qualifiers.iOSHandheld, AC.Retina.Blacklist.Qualifiers.antiquatedBrowser]));
this.setTagNameBlacklist(new AC.Retina.Blacklist([AC.Retina.Blacklist.Qualifiers.restrictedTagName]))
},__listenToMediaQueryChange: function ac___listenToMediaQueryChange() {
var b = this;
var a;
var c = function() {
if (a.matches === true) {
delete AC.Retina._devicePixelRatio;
if (AC.Retina.windowHasLoaded) {
b.replace(document.body)
}
a.removeListener(c)
}
};
if (AC.Retina.devicePixelRatio() < AC.Retina.minDPR() && AC.Retina.minDPRMediaQuery() !== null) {
a = window.matchMedia("(" + AC.Retina.minDPRMediaQuery() + ": " + AC.Retina.minDPR() + ")");
if (typeof a.addListener === "function" && a.matches === false) {
a.addListener(c)
}
}
},__setup: function ac___setup() {
this.replace(document.body)
},__findDenotedElements: function ac___findDenotedElements(c, b) {
var a = this.__denotedElements(c);
if (AC.Element.isElement(b)) {
if (AC.Retina.__isRecursivelyDenoted(b, this.options().attribute)) {
a.push(c)
}
} else {
if (AC.Retina.__nearestAncestorHasAttribute(c, this.options().attribute, "true")) {
a.push(c)
}
}
this.publishNotification("foundDenotedElements", a);
return a
},__filterDenotedImages: function ac___filterDenotedImages(a) {
var b = this.__filterElements(a);
this.publishNotification("filteredDenotedImages", b);
if (b.length > 0) {
b.forEach(this.__boundAddToQueue);
this.publishNotification("queuedDenotedImages", this.__queues[this.__queues.length - 1])
}
},__filterChildImages: function ac___filterChildImages(b) {
var a;
var c;
if (this.options().recursive === true) {
for (c = 0; c < b.length; c += 1) {
a = this.__imagesWithinElement(b[c]);
this.publishNotification("filteredChildImages", a);
if (a.length > 0) {
this.__createQueue();
a.forEach(this.__boundAddToQueue);
this.publishNotification("queuedChildImages", this.__queues[this.__queues.length - 1])
}
}
}
},__createQueue: function ac___createQueue() {
var a = new AC.Retina.Queue(this.options().queueSize);
this.__queues.push(a)
},__addToQueue: function ac___addToQueue(a) {
if (this.__queues.length === 0 || this.__queues[this.__queues.length - 1].ran() === true) {
this.__createQueue()
}
this.__queues[this.__queues.length - 1].add(a)
},__isInQueue: function ac___isInQueue(b) {
var a;
for (a = 0; a < this.__queues.length; a += 1) {
if (this.__queues[a].queue().indexOf(b) !== -1) {
return true
}
}
return false
},__denotedElements: function ac___denotedElements(b) {
if (typeof b === "undefined") {
b = document.body
} else {
b = AC.Element.getElementById(b)
}
var a = AC.Element.selectAll("[" + this.options().attribute + '="true"]', b);
return a
},__imagesWithinElement: function ac___imagesWithinElement(f) {
var e = this.__filterElement.bind(this);
var a = this.tagNameBlacklist();
var c = [];
var b;
var d;
f = AC.Element.getElementById(f);
b = function b(g) {
if (!a.isBlacklisted(g) && e(g)) {
return NodeFilter.FILTER_ACCEPT
}
return NodeFilter.FILTER_SKIP
};
b.acceptNode = b;
d = document.createTreeWalker(f, NodeFilter.SHOW_ELEMENT, b, false);
while (d.nextNode()) {
if (AC.Retina.Image.isImage(d.currentNode.ac_retina_image)) {
c.push(d.currentNode.ac_retina_image)
}
}
return c
},__filterElements: function ac___filterElements(a) {
var c;
var b = [];
for (c = 0; c < a.length; c += 1) {
if (this.__filterElement(a[c])) {
b.push(a[c].ac_retina_image)
}
}
return b
},__filterElement: function ac___filterElement(b) {
var c = b.ac_retina_image;
var a;
if (!AC.Retina.__isRecursivelyDenoted(b, this.options().attribute)) {
return false
}
if (AC.Retina.Image.isImage(c) === false) {
a = this.__optionsFromElement(b);
c = new AC.Retina.Image(b, a);
b.ac_retina_image = c
} else {
if (c.replaced()) {
return false
}
}
if (this.__matchComponentToElement(b) === false) {
return false
}
if (this.__filterImage(c)) {
this.images().push(c);
return true
}
return false
},__matchComponentToElement: function ac___matchComponentToElement(b) {
var c = b.ac_retina_image;
var a;
if (AC.Retina.Image.isImage(c) === false) {
throw "Element is missing AC.Retina.Image object."
}
a = AC.Retina.imageComponentRegistry.match(b);
if (a && a.name() !== "_base") {
c.setStatus("is-image");
c.setComponent(a);
return true
} else {
c.setStatus("not-image");
return false
}
},__filterImage: function ac___filterImage(b) {
var a;
if (AC.Retina.Image.isImage(b) === false) {
throw "Element is missing AC.Retina.Image object."
}
if (b.isHires()) {
b.setStatus("already-hires");
return false
}
if (b.ignored()) {
b.setStatus("ignored");
return false
}
a = b.component().context("blacklist");
if (AC.Retina.Blacklist.isBlacklist(a) && a.isBlacklisted(b.element(), b)) {
b.setStatus("blacklisted");
return false
}
return true
},__optionsFromElement: function ac___optionsFromElement(d) {
var b = {};
var a = d.getAttribute(this.options().attribute + "-options");
var c;
if (a) {
a = a.split(",");
for (c = 0; c < a.length; c += 1) {
a[c] = a[c].split(":");
b[a[c][0]] = a[c][1];
try {
b[a[c][0]] = JSON.parse(b[a[c][0]])
} catch (f) {
}
b[a[c][0].camelize()] = b[a[c][0]]
}
}
return b
},__replaceQueues: function ac___replaceQueues() {
if (typeof this.__boundReplaceQueues !== "function") {
this.__boundReplaceQueues = this.__replaceQueues.bind(this)
}
var a;
if (this.__queues.length > 0) {
a = this.__queues[0];
this.__queues.splice(0, 1);
a.run("replace", this.__boundReplaceQueues)
}
}});
AC.Retina.__isRecursivelyDenoted = function(b, a) {
if ((b.getAttribute(a) === "true") || (AC.Retina.__nearestAncestorHasAttribute(b, a, "true") && b.getAttribute(a) !== "false")) {
return true
}
return false
};
AC.Retina.__nearestAncestorHasAttribute = function(c, a, e) {
var d = AC.Retina.__ancestors(c);
var b;
for (b = 0; b < d.length; b += 1) {
if (d[b].hasAttribute(a)) {
if (typeof e === "undefined" || d[b].getAttribute(a) === e) {
return d[b]
} else {
return null
}
}
}
return null
};
AC.Retina.__ancestors = function(a) {
a = AC.Element.getElementById(a);
var b = [];
if (AC.Element.isElement(a.parentNode)) {
while (a = a.parentNode) {
if (AC.Element.isElement(a)) {
b.push(a)
}
}
}
return b
};
AC.Retina.Blacklist = AC.Class();
AC.Retina.Blacklist.prototype = {initialize: function ac_initialize(a) {
this._qualifiers = [];
AC.Object.synthesize(this);
if (typeof a !== "undefined") {
this.addQualifier(a)
}
},addQualifier: function ac_addQualifier(b) {
var a;
if (typeof b === "function") {
this.qualifiers().push(b)
} else {
if (Array.isArray(b) && b.length > 0) {
for (a = 0; a < b.length; a++) {
this.addQualifier(b[a])
}
}
}
},isBlacklisted: function ac_isBlacklisted(b, c) {
var a;
for (a = 0; a < this.qualifiers().length; a++) {
if (this.qualifiers()[a].call(c || this, b)) {
return true
}
}
return false
}};
AC.Retina.Blacklist.isBlacklist = function(a) {
return (a instanceof AC.Retina.Blacklist)
};
AC.Retina.Blacklist.Qualifiers = {};
AC.Retina.Blacklist.Qualifiers.DPRLessThanMinAndNotSVG = function(a) {
return (this.options().hiresFormat !== "svg") && (AC.Retina.devicePixelRatio() < AC.Retina.minDPR())
};
AC.Retina.Blacklist.Qualifiers.iOSHandheld = function() {
return (AC.Environment.Feature.isHandheld() && AC.Environment.Browser.os === "iOS")
};
AC.Retina.Blacklist.Qualifiers.antiquatedBrowser = function() {
if (((AC.Environment.Browser.name.indexOf("Safari") !== -1) && (AC.Environment.Browser.version < 5)) || ((AC.Environment.Browser.name === "IE") && (AC.Environment.Browser.version < 9)) || ((AC.Environment.Browser.name === "Firefox") && (AC.Environment.Browser.version < 5)) || ((AC.Environment.Browser.name === "Chrome") && (AC.Environment.Browser.version < 16))) {
return true
}
return false
};
AC.Retina.Blacklist.Qualifiers.restrictedTagName = function(a) {
var b = ["object", "param", "embed", "source"];
if ((!AC.Element.isElement(a)) || (b.indexOf(a.tagName.toLowerCase()) >= 0)) {
return true
}
return false
};
AC.Retina.Image = AC.Class();
AC.Retina.Image.prototype = {initialize: function ac_initialize(b, a) {
this._options = a || {};
this._element = AC.Element.getElementById(b);
this._component = null;
this._status = "considered";
this._isPreloaded = false;
this._replaced = false;
this._exists = null;
this._ignored = null;
this._src = null;
this._hiresSrc = null;
this._srcFormat = null;
this._isHires = null;
this._width = null;
this._height = null;
AC.Object.synthesize(this);
if (AC.Element.isElement(this.element()) && this.element().tagName.toLowerCase() === "img") {
if (typeof this.element().naturalWidth !== "undefined" && this.element().naturalWidth !== 0) {
this.setWidth(this.element().naturalWidth)
}
if (typeof this.element().naturalWidth !== "naturalHeight" && this.element().naturalHeight !== 0) {
this.setHeight(this.element().naturalHeight)
}
}
},setComponent: function ac_setComponent(a) {
if (typeof a === "object" && this.component() === null) {
this._component = a;
this.setOptions(AC.Object.extend(AC.Retina.Image.convertParametersToObject(this.src()), this.options()));
this.setOptions(AC.Object.extend(AC.Object.clone(a.properties()), this.options()));
if (typeof this.options().hiResFormat !== "undefined") {
this.options().hiresFormat = this.options().hiResFormat
}
return this.component()
}
},setStatus: function ac_setStatus(a) {
if (typeof a !== "string") {
return false
}
if (typeof AC.Retina.Debug !== "undefined") {
AC.Retina.Debug.sharedInstance().addStatus(a);
if (AC.Element.isElement(this.element())) {
this.element().setAttribute("data-hires-status", a)
}
}
this._status = a;
return this._status
},__memoizedContextGetter: function ac___memoizedContextGetter(a) {
if (this.component()) {
if (typeof this["__" + a] !== "function") {
var b = this.component().context(a);
this["__" + a] = typeof b === "function" ? b.bind(this) : AC.Function.emptyFunction
}
return this["__" + a]()
} else {
throw "Component not assigned yet."
}
},src: function ac_src() {
if (this._src !== null) {
return this._src
}
this.setSrc(this.__memoizedContextGetter("src"));
return this._src
},hiresSrc: function ac_hiresSrc() {
if (this._hiresSrc !== null) {
return this._hiresSrc
}
if (this.ignored()) {
this.setHiresSrc(this.src());
return this._hiresSrc
}
var a = this.__memoizedContextGetter("hiresSrc");
if (this.options().cleanHiresSrc === true) {
a = a.replace(/((\?.*)|(#.*))$/, "")
}
this.setHiresSrc(a);
return this._hiresSrc
},srcFormat: function ac_srcFormat() {
if (this._srcFormat !== null) {
return this._srcFormat
}
var a = this.src().match(/^.*\.([a-z]*)($|#.*|\?.*)/i);
this.setSrcFormat((a === null) ? null : a[1]);
return this._srcFormat
},isHires: function ac_isHires() {
if (this._isHires === true) {
return this._isHires
}
var a = this.src();
if ((a.match(AC.Retina.rasterImageFormatRegExp()) === null) || (this.replaced() === true)) {
this.setIsHires(true);
return this._isHires
}
this.setIsHires(false);
return this._isHires
},ignored: function ac_ignored() {
if (this.replaced()) {
this.setIgnored(false);
return this._ignored
}
if (this._ignored !== null) {
return this._ignored
}
this.setIgnored(!!this.src().match(this.options().ignoreRegex));
return this._ignored
},replace: function ac_replace(c) {
var a = this;
var b;
if (a.replaced() === true || a.exists() === false) {
return c()
} else {
if (a.options().checkExists === true && typeof a.exists() !== "boolean") {
a.checkExists.call(a, function(d) {
a.setExists(d);
if (!a.exists()) {
a.setStatus("404")
}
a.replace(c)
});
return
}
}
b = function b(e) {
var d = function() {
a.__memoizedContextGetter("replace");
a.setStatus("replaced");
a.setReplaced(true)
};
if (e) {
if (AC.Retina.sharedInstance().paused()) {
AC.Retina.sharedInstance().deferredQueue().add(d)
} else {
d()
}
}
if (typeof c === "function") {
c()
}
};
a.setStatus("replacing");
if (a.options().preload || (a.options().preloadIfNoDimensions && (!a.width() || !a.height()))) {
a.preload(b)
} else {
b(true)
}
},checkExists: function ac_checkExists(c, b) {
var a = this;
if (typeof b === "undefined") {
b = a.hiresSrc()
}
if (a.options().checkAsRootRelative === true || (b.indexOf(window.location.origin) === 0 || b.indexOf("/") === 0)) {
b = (a.options().checkAsRootRelative === true) ? b.replace(/^https?:\/\/[^\/]*\//, "/") : b;
if (typeof AC.Ajax === "object") {
AC.Ajax.checkURL(b, c)
}
}
},preload: function ac_preload(c) {
var b = this;
var a;
if (b.isPreloaded() === true) {
return c(true)
}
if (b.exists() === false) {
return c(false)
}
b.setStatus("loading");
a = new Image();
AC.Element.addEventListener(a, "load", function() {
b.setIsPreloaded(true);
b.setWidth(a.width / AC.Retina.devicePixelRatio(AC.Retina.minDPR()));
b.setHeight(a.height / AC.Retina.devicePixelRatio(AC.Retina.minDPR()));
b.setStatus("loaded");
if (typeof c === "function") {
c(true)
}
});
if (b.options().checkExists === true) {
AC.Element.addEventListener(a, "error", function() {
b.setStatus("404");
b.setExists(false);
if (typeof c === "function") {
c(false)
}
})
}
a.src = b.hiresSrc()
}};
AC.Retina.Image.isImage = function(a) {
return (a instanceof AC.Retina.Image)
};
AC.Retina.Image.removeCSSURLSyntax = function(a) {
var b;
if (typeof a === "string" && typeof a.replace === "function") {
b = a.match(/url\((\'|\")?([^\"\'\)]+)(\'|\")?\)/i);
if (b) {
return b[2]
}
}
return ""
};
AC.Retina.Image.replaceExtension = function(a, c) {
var b = a.match(/^(.*)((\.[a-z]{3})($|#.*|\?.*))/i);
if (b !== null && b.length > 1) {
return b[1] + "." + c + (b[4] || "")
}
};
AC.Retina.Image.convertParametersToObject = function(b) {
if (typeof b === "string" && typeof b.toQueryParams === "function") {
var a = {};
var c = b.toQueryParams();
var d;
for (d in c) {
if (c.hasOwnProperty(d) && typeof c[d] !== "undefined") {
a[d.camelize()] = c[d]
}
}
return a
}
return {}
};
AC.Retina.Queue = AC.Class();
AC.Retina.Queue.prototype = {initialize: function ac_initialize(a, b) {
this._threadCount = a;
this._queue = [];
if (typeof b !== "undefined") {
this.add(b)
}
this._ran = false;
AC.Object.synthesize(this)
},add: function ac_add(b) {
if (this._ran === true) {
return
}
var a;
if (Array.isArray(b)) {
for (a = 0; a < b.length; a++) {
this.add(b[a])
}
} else {
if (AC.Retina.Image.isImage(b)) {
this._queue.push(b);
if (typeof b.setStatus === "function") {
b.setStatus("queued")
}
}
}
},run: function ac_run(h, g) {
if (this._ran === true) {
return
}
var c = this;
var a = c._queue.slice(0).reverse();
var f = (a.length < c._threadCount) ? a.length : c._threadCount;
var d = f;
c._ran = true;
var b = function b() {
var i = a.pop();
if (typeof i === "undefined") {
d--;
if (d === 0) {
if (typeof g === "function") {
g()
}
AC.Retina.sharedInstance().publishNotification("queueEmptied", c);
return
}
} else {
if (typeof h === "function") {
h.apply(i, [i, b])
} else {
if (typeof h === "string" && typeof i[h] === "function") {
i[h].apply(i, [b])
}
}
}
};
var e = function e() {
var j;
for (j = 0; j < f; j++) {
b()
}
};
window.setTimeout(e, 10)
}};
AC.Retina.version = "3.0";
if (typeof AC.Retina.imageComponentRegistry === "undefined") {
AC.Retina.imageComponentRegistry = new AC.Registry(AC.Retina.classNamePrefix(), {contextInherits: ["src", "hiresSrc", "replace", "blacklist"]})
}
AC.Retina.imageComponentRegistry.addComponent("_base", {ignoreRegex: /(^http:\/\/movies\.apple\.com\/|\/105\/|\/media\/|\/global(\/ac_media_player)?\/elements\/quicktime\/|_(([2-9]|[1-9][0-9]+)x|nohires)(\.[a-z]+)($|#.*|\?.*))/i,filenameRegex: /(.*)(\.[a-z]{3}($|#.*|\?.*))/i,filenameInsert: "_☃x",hiresFormat: false,cleanHiresSrc: true,preload: false,checkExists: true,checkAsRootRelative: true}, AC.Function.emptyFunction, null, {src: function ac_src() {
return ""
},hiresSrc: function ac_hiresSrc() {
var a;
var c = this.src();
var b = this.options().hiresFormat;
var d = this.srcFormat();
if (typeof b === "string" && b !== d) {
return AC.Retina.Image.replaceExtension(c, b)
}
a = this.src().match(this.options().filenameRegex);
if (a === null) {
return null
} else {
return a[1] + this.options().filenameInsert.replace("☃", AC.Retina.devicePixelRatio(AC.Retina.minDPR())) + a[2]
}
},replace: AC.Function.emptyFunction,blacklist: new AC.Retina.Blacklist()});
AC.Retina.imageComponentRegistry.addComponent("background-image", {preload: true}, function(b, c) {
var a = AC.Element.getStyle(b, "background-image");
return (b.tagName.toLowerCase() !== "img") && (a) && (!!a.match(/^url\(([^\)]+)\)$/i))
}, "_base", {src: function ac_src() {
return AC.Retina.Image.removeCSSURLSyntax(AC.Element.getStyle(this.element(), "background-image"))
},replace: function ac_replace() {
var a = AC.Element.getStyle(this.element(), "background-size");
if (!a || !!a.match("auto")) {
AC.Element.setStyle(this.element(), "background-size:" + (this.width()) + "px " + (this.height()) + "px;")
}
AC.Element.setStyle(this.element(), "background-image:url(" + this.hiresSrc() + ");")
},blacklist: new AC.Retina.Blacklist([AC.Retina.Blacklist.Qualifiers.DPRLessThanMinAndNotSVG])});
AC.Retina.imageComponentRegistry.addComponent("img-tag", {preloadIfNoDimensions: true}, function(a, b) {
return (a.tagName.toLowerCase() === "img") && (!!a.getAttribute("src"))
}, "_base", {src: function ac_src() {
return this.element().getAttribute("src")
},replace: function ac_replace() {
if (isNaN(parseInt(this.element().getAttribute("width"), 10)) && this.width()) {
this.element().setAttribute("width", this.width())
}
if (isNaN(parseInt(this.element().getAttribute("height"), 10)) && this.height()) {
this.element().setAttribute("height", this.height())
}
this.element().setAttribute("src", this.hiresSrc())
},blacklist: new AC.Retina.Blacklist([AC.Retina.Blacklist.Qualifiers.DPRLessThanMinAndNotSVG])});
AC.Retina.sharedInstance();
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