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Diffstat (limited to 'src/main/resources/webapp/external/headjs-0.99/head.js')
| -rw-r--r-- | src/main/resources/webapp/external/headjs-0.99/head.js | 1075 |
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diff --git a/src/main/resources/webapp/external/headjs-0.99/head.js b/src/main/resources/webapp/external/headjs-0.99/head.js new file mode 100644 index 0000000..b559954 --- /dev/null +++ b/src/main/resources/webapp/external/headjs-0.99/head.js @@ -0,0 +1,1075 @@ +/*! + * HeadJS The only script in your <HEAD> + * Author Tero Piirainen (tipiirai) + * Maintainer Robert Hoffmann (itechnology) + * License MIT / http://bit.ly/mit-license + * + * Version 0.99 + * http://headjs.com + */ +; (function (win, undefined) { + "use strict"; + + // gt, gte, lt, lte, eq breakpoints would have been more simple to write as ['gt','gte','lt','lte','eq'] + // but then we would have had to loop over the collection on each resize() event, + // a simple object with a direct access to true/false is therefore much more efficient + var doc = win.document, + nav = win.navigator, + loc = win.location, + html = doc.documentElement, + klass = [], + conf = { + screens : [240, 320, 480, 640, 768, 800, 1024, 1280, 1440, 1680, 1920], + screensCss: { "gt": true, "gte": false, "lt": true, "lte": false, "eq": false }, + browsers : [ + { ie : { min: 6, max: 10 } } + //,{ chrome : { min: 8, max: 24 } } + //,{ ff : { min: 3, max: 19 } } + //,{ ios : { min: 3, max: 6 } } + //,{ android: { min: 2, max: 4 } } + //,{ webkit : { min: 9, max: 12 } } + //,{ opera : { min: 9, max: 12 } } + ], + browserCss: { "gt": true, "gte": false, "lt": true, "lte": false, "eq": true }, + section : "-section", + page : "-page", + head : "head" + }; + + if (win.head_conf) { + for (var item in win.head_conf) { + if (win.head_conf[item] !== undefined) { + conf[item] = win.head_conf[item]; + } + } + } + + function pushClass(name) { + klass[klass.length] = name; + } + + function removeClass(name) { + var re = new RegExp("\\b" + name + "\\b"); + html.className = html.className.replace(re, ''); + } + + function each(arr, fn) { + for (var i = 0, l = arr.length; i < l; i++) { + fn.call(arr, arr[i], i); + } + } + + // API + var api = win[conf.head] = function () { + api.ready.apply(null, arguments); + }; + + api.feature = function (key, enabled, queue) { + + // internal: apply all classes + if (!key) { + html.className += ' ' + klass.join(' '); + klass = []; + return api; + } + + if (Object.prototype.toString.call(enabled) === '[object Function]') { + enabled = enabled.call(); + } + + pushClass((enabled ? '' : 'no-') + key); + api[key] = !!enabled; + + // apply class to HTML element + if (!queue) { + removeClass('no-' + key); + removeClass(key); + api.feature(); + } + + return api; + }; + + // no queue here, so we can remove any eventual pre-existing no-js class + api.feature("js", true); + + // browser type & version + var ua = nav.userAgent.toLowerCase(), + mobile = /mobile|midp/.test(ua); + + // useful for enabling/disabling feature (we can consider a desktop navigator to have more cpu/gpu power) + api.feature("mobile" , mobile , true); + api.feature("desktop", !mobile, true); + + // http://www.zytrax.com/tech/web/browser_ids.htm + // http://www.zytrax.com/tech/web/mobile_ids.html + ua = /(chrome|firefox)[ \/]([\w.]+)/.exec(ua) || // Chrome & Firefox + /(iphone|ipad|ipod)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Mobile IOS + /(android)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Mobile Webkit + /(webkit|opera)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Safari & Opera + /(msie) ([\w.]+)/.exec(ua) || []; + + + var browser = ua[1], + version = parseFloat(ua[2]); + + switch (browser) { + case 'msie': + browser = 'ie'; + version = doc.documentMode || version; + break; + + case 'firefox': + browser = 'ff'; + break; + + case 'ipod': + case 'ipad': + case 'iphone': + browser = 'ios'; + break; + + case 'webkit': + browser = 'safari'; + break; + } + + + // Browser vendor and version + api.browser = { + name : browser, + version: version + }; + api.browser[browser] = true; + + for (var i = 0, l = conf.browsers.length; i < l; i++) { + for (var key in conf.browsers[i]) { + if (browser === key) { + pushClass(key); + + var min = conf.browsers[i][key].min; + var max = conf.browsers[i][key].max; + + for (var v = min; v <= max; v++) { + if (version > v) { + if (conf.browserCss["gt"]) + pushClass("gt-" + key + v); + + if (conf.browserCss["gte"]) + pushClass("gte-" + key + v); + } + + else if (version < v) { + if (conf.browserCss["lt"]) + pushClass("lt-" + key + v); + + if (conf.browserCss["lte"]) + pushClass("lte-" + key + v); + } + + else if (version === v) { + if (conf.browserCss["lte"]) + pushClass("lte-" + key + v); + + if (conf.browserCss["eq"]) + pushClass("eq-" + key + v); + + if (conf.browserCss["gte"]) + pushClass("gte-" + key + v); + } + } + } + else { + pushClass('no-' + key); + } + } + } + + + // IE lt9 specific + if (browser === "ie" && version < 9) { + // HTML5 support : you still need to add html5 css initialization styles to your site + // See: assets/html5.css + each("abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video".split("|"), function (el) { + doc.createElement(el); + }); + } + + + // CSS "router" + each(loc.pathname.split("/"), function (el, i) { + if (this.length > 2 && this[i + 1] !== undefined) { + if (i) { + pushClass(this.slice(1, i + 1).join("-").toLowerCase() + conf.section); + } + } else { + // pageId + var id = el || "index", index = id.indexOf("."); + if (index > 0) { + id = id.substring(0, index); + } + + html.id = id.toLowerCase() + conf.page; + + // on root? + if (!i) { + pushClass("root" + conf.section); + } + } + }); + + + // basic screen info + api.screen = { + height: win.screen.height, + width : win.screen.width + }; + + // viewport resolutions: w-100, lt-480, lt-1024 ... + function screenSize() { + // remove earlier sizes + html.className = html.className.replace(/ (w-|eq-|gt-|gte-|lt-|lte-|portrait|no-portrait|landscape|no-landscape)\d+/g, ""); + + // Viewport width + var iw = win.innerWidth || html.clientWidth, + ow = win.outerWidth || win.screen.width; + + api.screen['innerWidth'] = iw; + api.screen['outerWidth'] = ow; + + // for debugging purposes, not really useful for anything else + pushClass("w-" + iw); + + each(conf.screens, function (width) { + if (iw > width) { + if (conf.screensCss["gt"]) + pushClass("gt-" + width); + + if (conf.screensCss["gte"]) + pushClass("gte-" + width); + } + + else if (iw < width) { + if (conf.screensCss["lt"]) + pushClass("lt-" + width); + + if (conf.screensCss["lte"]) + pushClass("lte-" + width); + } + + else if (iw === width) { + if (conf.screensCss["lte"]) + pushClass("lte-" + width); + + if (conf.screensCss["eq"]) + pushClass("e-q" + width); + + if (conf.screensCss["gte"]) + pushClass("gte-" + width); + } + }); + + + // Viewport height + var ih = win.innerHeight || html.clientHeight, + oh = win.outerHeight || win.screen.height; + + api.screen['innerHeight'] = ih; + api.screen['outerHeight'] = oh; + + // no need for onChange event to detect this + api.feature("portrait" , (ih > iw)); + api.feature("landscape", (ih < iw)); + } + + screenSize(); + + // Throttle navigators from triggering too many resize events + var resizeId = 0; + function onResize() { + win.clearTimeout(resizeId); + resizeId = win.setTimeout(screenSize, 100); + } + + // Manually attach, as to not overwrite existing handler + if (win.addEventListener) { + win.addEventListener("resize", onResize, false); + + } else { + win.attachEvent("onresize", onResize); + } +})(window); + +/*! + * HeadJS The only script in your <HEAD> + * Author Tero Piirainen (tipiirai) + * Maintainer Robert Hoffmann (itechnology) + * License MIT / http://bit.ly/mit-license + * + * Version 0.99 + * http://headjs.com + */ +;(function(win, undefined) { + "use strict"; + + var doc = win.document, + /* + To add a new test: + + head.feature("video", function() { + var tag = document.createElement('video'); + return !!tag.canPlayType; + }); + + Good place to grab more tests + + https://github.com/Modernizr/Modernizr/blob/master/modernizr.js + */ + + /* CSS modernizer */ + el = doc.createElement("i"), + style = el.style, + prefs = ' -o- -moz- -ms- -webkit- -khtml- '.split(' '), + domPrefs = 'Webkit Moz O ms Khtml'.split(' '), + + headVar = win.head_conf && win.head_conf.head || "head", + api = win[headVar]; + + // Thanks Paul Irish! + function testProps(props) { + for (var i in props) { + if (style[props[i]] !== undefined) { + return true; + } + } + + return false; + } + + + function testAll(prop) { + var camel = prop.charAt(0).toUpperCase() + prop.substr(1), + props = (prop + ' ' + domPrefs.join(camel + ' ') + camel).split(' '); + + return !!testProps(props); + } + + var tests = { + gradient: function() { + var s1 = 'background-image:', + s2 = 'gradient(linear,left top,right bottom,from(#9f9),to(#fff));', + s3 = 'linear-gradient(left top,#eee,#fff);'; + + style.cssText = (s1 + prefs.join(s2 + s1) + prefs.join(s3 + s1)).slice(0,-s1.length); + return !!style.backgroundImage; + }, + + rgba: function() { + style.cssText = "background-color:rgba(0,0,0,0.5)"; + return !!style.backgroundColor; + }, + + opacity: function() { + return el.style.opacity === ""; + }, + + textshadow: function() { + return style.textShadow === ''; + }, + + multiplebgs: function() { + style.cssText = "background:url(//:),url(//:),red url(//:)"; + return new RegExp("(url\\s*\\(.*?){3}").test(style.background); + }, + + boxshadow: function() { + return testAll("boxShadow"); + }, + + borderimage: function() { + return testAll("borderImage"); + }, + + borderradius: function() { + return testAll("borderRadius"); + }, + + cssreflections: function() { + return testAll("boxReflect"); + }, + + csstransforms: function() { + return testAll("transform"); + }, + + csstransitions: function() { + return testAll("transition"); + }, + touch: function () { + return 'ontouchstart' in win; + }, + retina: function () { + return (win.devicePixelRatio > 1); + }, + + /* + font-face support. Uses browser sniffing but is synchronous. + http://paulirish.com/2009/font-face-feature-detection/ + */ + fontface: function() { + var browser = api.browser.name, version = api.browser.version; + + switch (browser) { + case "ie": + return version >= 9; + + case "chrome": + return version >= 13; + + case "ff": + return version >= 6; + + case "ios": + return version >= 5; + + case "android": + return false; + + case "webkit": + return version >= 5.1; + + case "opera": + return version >= 10; + + default: + return false; + } + } + }; + + // queue features + for (var key in tests) { + if (tests[key]) { + api.feature(key, tests[key].call(), true); + } + } + + // enable features at once + api.feature(); + +})(window); +/*! + * HeadJS The only script in your <HEAD> + * Author Tero Piirainen (tipiirai) + * Maintainer Robert Hoffmann (itechnology) + * License MIT / http://bit.ly/mit-license + * + * Version 0.99 + * http://headjs.com + */ +; (function (win, undefined) { + "use strict"; + + var doc = win.document, + domWaiters = [], + queue = [], // waiters for the "head ready" event + handlers = {}, // user functions waiting for events + assets = {}, // loadable items in various states + isAsync = "async" in doc.createElement("script") || "MozAppearance" in doc.documentElement.style || win.opera, + isHeadReady, + isDomReady, + + /*** public API ***/ + headVar = win.head_conf && win.head_conf.head || "head", + api = win[headVar] = (win[headVar] || function () { api.ready.apply(null, arguments); }), + + // states + PRELOADING = 1, + PRELOADED = 2, + LOADING = 3, + LOADED = 4; + + // Method 1: simply load and let browser take care of ordering + if (isAsync) { + api.load = function () { + ///<summary> + /// INFO: use cases + /// head.load("http://domain.com/file.js","http://domain.com/file.js", callBack) + /// head.load({ label1: "http://domain.com/file.js" }, { label2: "http://domain.com/file.js" }, callBack) + ///</summary> + var args = arguments, + callback = args[args.length - 1], + items = {}; + + if (!isFunction(callback)) { + callback = null; + } + + each(args, function (item, i) { + if (item !== callback) { + item = getAsset(item); + items[item.name] = item; + + load(item, callback && i === args.length - 2 ? function () { + if (allLoaded(items)) { + one(callback); + } + + } : null); + } + }); + + return api; + }; + + + // Method 2: preload with text/cache hack + } else { + api.load = function () { + var args = arguments, + rest = [].slice.call(args, 1), + next = rest[0]; + + // wait for a while. immediate execution causes some browsers to ignore caching + if (!isHeadReady) { + queue.push(function () { + api.load.apply(null, args); + }); + + return api; + } + + // multiple arguments + if (!!next) { + /* Preload with text/cache hack (not good!) + * http://blog.getify.com/on-script-loaders/ + * http://www.nczonline.net/blog/2010/12/21/thoughts-on-script-loaders/ + * If caching is not configured correctly on the server, then items could load twice ! + *************************************************************************************/ + each(rest, function (item) { + if (!isFunction(item)) { + preLoad(getAsset(item)); + } + }); + + // execute + load(getAsset(args[0]), isFunction(next) ? next : function () { + api.load.apply(null, rest); + }); + } + else { + // single item + load(getAsset(args[0])); + } + + return api; + }; + } + + // INFO: for retro compatibility + api.js = api.load; + + api.test = function (test, success, failure, callback) { + ///<summary> + /// INFO: use cases: + /// head.test(condition, null , "file.NOk" , callback); + /// head.test(condition, "fileOk.js", null , callback); + /// head.test(condition, "fileOk.js", "file.NOk" , callback); + /// head.test(condition, "fileOk.js", ["file.NOk", "file.NOk"], callback); + /// head.test({ + /// test : condition, + /// success : [{ label1: "file1Ok.js" }, { label2: "file2Ok.js" }], + /// failure : [{ label1: "file1NOk.js" }, { label2: "file2NOk.js" }], + /// callback: callback + /// ); + /// head.test({ + /// test : condition, + /// success : ["file1Ok.js" , "file2Ok.js"], + /// failure : ["file1NOk.js", "file2NOk.js"], + /// callback: callback + /// ); + ///</summary> + var obj = (typeof test === 'object') ? test : { + test: test, + success: !!success ? isArray(success) ? success : [success] : false, + failure: !!failure ? isArray(failure) ? failure : [failure] : false, + callback: callback || noop + }; + + // Test Passed ? + var passed = !!obj.test; + + // Do we have a success case + if (passed && !!obj.success) { + obj.success.push(obj.callback); + api.load.apply(null, obj.success); + } + // Do we have a fail case + else if (!passed && !!obj.failure) { + obj.failure.push(obj.callback); + api.load.apply(null, obj.failure); + } + else { + callback(); + } + + return api; + }; + + api.ready = function (key, callback) { + ///<summary> + /// INFO: use cases: + /// head.ready(callBack) + /// head.ready(document , callBack) + /// head.ready("file.js", callBack); + /// head.ready("label" , callBack); + ///</summary> + + // DOM ready check: head.ready(document, function() { }); + if (key === doc) { + if (isDomReady) { + one(callback); + } + else { + domWaiters.push(callback); + } + + return api; + } + + // shift arguments + if (isFunction(key)) { + callback = key; + key = "ALL"; + } + + // make sure arguments are sane + if (typeof key !== 'string' || !isFunction(callback)) { + return api; + } + + // This can also be called when we trigger events based on filenames & labels + var asset = assets[key]; + + // item already loaded --> execute and return + if (asset && asset.state === LOADED || key === 'ALL' && allLoaded() && isDomReady) { + one(callback); + return api; + } + + var arr = handlers[key]; + if (!arr) { + arr = handlers[key] = [callback]; + } + else { + arr.push(callback); + } + + return api; + }; + + + // perform this when DOM is ready + api.ready(doc, function () { + + if (allLoaded()) { + each(handlers.ALL, function (callback) { + one(callback); + }); + } + + if (api.feature) { + api.feature("domloaded", true); + } + }); + + + /* private functions + *********************/ + function noop() { + // does nothing + } + + function each(arr, callback) { + if (!arr) { + return; + } + + // arguments special type + if (typeof arr === 'object') { + arr = [].slice.call(arr); + } + + // do the job + for (var i = 0, l = arr.length; i < l; i++) { + callback.call(arr, arr[i], i); + } + } + + /* A must read: http://bonsaiden.github.com/JavaScript-Garden + ************************************************************/ + function is(type, obj) { + var clas = Object.prototype.toString.call(obj).slice(8, -1); + return obj !== undefined && obj !== null && clas === type; + } + + function isFunction(item) { + return is("Function", item); + } + + function isArray(item) { + return is("Array", item); + } + + function toLabel(url) { + ///<summary>Converts a url to a file label</summary> + var items = url.split("/"), + name = items[items.length - 1], + i = name.indexOf("?"); + + return i !== -1 ? name.substring(0, i) : name; + } + + // INFO: this look like a "im triggering callbacks all over the place, but only wanna run it one time function" ..should try to make everything work without it if possible + // INFO: Even better. Look into promises/defered's like jQuery is doing + function one(callback) { + ///<summary>Execute a callback only once</summary> + callback = callback || noop; + + if (callback._done) { + return; + } + + callback(); + callback._done = 1; + } + + function getAsset(item) { + ///<summary> + /// Assets are in the form of + /// { + /// name : label, + /// url : url, + /// state: state + /// } + ///</summary> + var asset = {}; + + if (typeof item === 'object') { + for (var label in item) { + if (!!item[label]) { + asset = { + name: label, + url : item[label] + }; + } + } + } + else { + asset = { + name: toLabel(item), + url : item + }; + } + + // is the item already existant + var existing = assets[asset.name]; + if (existing && existing.url === asset.url) { + return existing; + } + + assets[asset.name] = asset; + return asset; + } + + function allLoaded(items) { + items = items || assets; + + for (var name in items) { + if (items.hasOwnProperty(name) && items[name].state !== LOADED) { + return false; + } + } + + return true; + } + + + function onPreload(asset) { + asset.state = PRELOADED; + + each(asset.onpreload, function (afterPreload) { + afterPreload.call(); + }); + } + + function preLoad(asset, callback) { + if (asset.state === undefined) { + + asset.state = PRELOADING; + asset.onpreload = []; + + loadAsset({ url: asset.url, type: 'cache' }, function () { + onPreload(asset); + }); + } + } + + function load(asset, callback) { + ///<summary>Used with normal loading logic</summary> + callback = callback || noop; + + if (asset.state === LOADED) { + callback(); + return; + } + + // INFO: why would we trigger a ready event when its not really loaded yet ? + if (asset.state === LOADING) { + api.ready(asset.name, callback); + return; + } + + if (asset.state === PRELOADING) { + asset.onpreload.push(function () { + load(asset, callback); + }); + return; + } + + asset.state = LOADING; + + loadAsset(asset, function () { + asset.state = LOADED; + callback(); + + // handlers for this asset + each(handlers[asset.name], function (fn) { + one(fn); + }); + + // dom is ready & no assets are queued for loading + // INFO: shouldn't we be doing the same test above ? + if (isDomReady && allLoaded()) { + each(handlers.ALL, function (fn) { + one(fn); + }); + } + }); + } + + /* Parts inspired from: https://github.com/cujojs/curl + ******************************************************/ + function loadAsset(asset, callback) { + callback = callback || noop; + + var ele; + if (/\.css[^\.]*$/.test(asset.url)) { + ele = doc.createElement('link'); + ele.type = 'text/' + (asset.type || 'css'); + ele.rel = 'stylesheet'; + ele.href = asset.url; + } + else { + ele = doc.createElement('script'); + ele.type = 'text/' + (asset.type || 'javascript'); + ele.src = asset.url; + } + + ele.onload = ele.onreadystatechange = process; + ele.onerror = error; + + /* Good read, but doesn't give much hope ! + * http://blog.getify.com/on-script-loaders/ + * http://www.nczonline.net/blog/2010/12/21/thoughts-on-script-loaders/ + * https://hacks.mozilla.org/2009/06/defer/ + */ + + // ASYNC: load in parellel and execute as soon as possible + ele.async = false; + // DEFER: load in parallel but maintain execution order + ele.defer = false; + + function error(event) { + event = event || win.event; + + // need some more detailed error handling here + + // release event listeners + ele.onload = ele.onreadystatechange = ele.onerror = null; + + // do callback + callback(); + } + + function process(event) { + event = event || win.event; + + // IE 7/8 (2 events on 1st load) + // 1) event.type = readystatechange, s.readyState = loading + // 2) event.type = readystatechange, s.readyState = loaded + + // IE 7/8 (1 event on reload) + // 1) event.type = readystatechange, s.readyState = complete + + // event.type === 'readystatechange' && /loaded|complete/.test(s.readyState) + + // IE 9 (3 events on 1st load) + // 1) event.type = readystatechange, s.readyState = loading + // 2) event.type = readystatechange, s.readyState = loaded + // 3) event.type = load , s.readyState = loaded + + // IE 9 (2 events on reload) + // 1) event.type = readystatechange, s.readyState = complete + // 2) event.type = load , s.readyState = complete + + // event.type === 'load' && /loaded|complete/.test(s.readyState) + // event.type === 'readystatechange' && /loaded|complete/.test(s.readyState) + + // IE 10 (3 events on 1st load) + // 1) event.type = readystatechange, s.readyState = loading + // 2) event.type = load , s.readyState = complete + // 3) event.type = readystatechange, s.readyState = loaded + + // IE 10 (3 events on reload) + // 1) event.type = readystatechange, s.readyState = loaded + // 2) event.type = load , s.readyState = complete + // 3) event.type = readystatechange, s.readyState = complete + + // event.type === 'load' && /loaded|complete/.test(s.readyState) + // event.type === 'readystatechange' && /complete/.test(s.readyState) + + // Other Browsers (1 event on 1st load) + // 1) event.type = load, s.readyState = undefined + + // Other Browsers (1 event on reload) + // 1) event.type = load, s.readyState = undefined + + // event.type == 'load' && s.readyState = undefined + + + // !doc.documentMode is for IE6/7, IE8+ have documentMode + if (event.type === 'load' || (/loaded|complete/.test(ele.readyState) && (!doc.documentMode || doc.documentMode < 9))) { + // release event listeners + ele.onload = ele.onreadystatechange = ele.onerror = null; + + // do callback + callback(); + } + + // emulates error on browsers that don't create an exception + // INFO: timeout not clearing ..why ? + //asset.timeout = win.setTimeout(function () { + // error({ type: "timeout" }); + //}, 3000); + } + + // use insertBefore to keep IE from throwing Operation Aborted (thx Bryan Forbes!) + var head = doc['head'] || doc.getElementsByTagName('head')[0]; + // but insert at end of head, because otherwise if it is a stylesheet, it will not ovverride values + head.insertBefore(ele, head.lastChild); + } + + /* Mix of stuff from jQuery & IEContentLoaded + * http://dev.w3.org/html5/spec/the-end.html#the-end + ***************************************************/ + function domReady() { + // Make sure body exists, at least, in case IE gets a little overzealous (jQuery ticket #5443). + if (!doc.body) { + // let's not get nasty by setting a timeout too small.. (loop mania guaranteed if assets are queued) + win.clearTimeout(api.readyTimeout); + api.readyTimeout = win.setTimeout(domReady, 50); + return; + } + + if (!isDomReady) { + isDomReady = true; + each(domWaiters, function (fn) { + one(fn); + }); + } + } + + function domContentLoaded() { + // W3C + if (doc.addEventListener) { + doc.removeEventListener("DOMContentLoaded", domContentLoaded, false); + domReady(); + } + + // IE + else if (doc.readyState === "complete") { + // we're here because readyState === "complete" in oldIE + // which is good enough for us to call the dom ready! + doc.detachEvent("onreadystatechange", domContentLoaded); + domReady(); + } + }; + + // Catch cases where ready() is called after the browser event has already occurred. + // we once tried to use readyState "interactive" here, but it caused issues like the one + // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 + if (doc.readyState === "complete") { + domReady(); + } + + // W3C + else if (doc.addEventListener) { + doc.addEventListener("DOMContentLoaded", domContentLoaded, false); + + // A fallback to window.onload, that will always work + win.addEventListener("load", domReady, false); + } + + // IE + else { + // Ensure firing before onload, maybe late but safe also for iframes + doc.attachEvent("onreadystatechange", domContentLoaded); + + // A fallback to window.onload, that will always work + win.attachEvent("onload", domReady); + + // If IE and not a frame + // continually check to see if the document is ready + var top = false; + + try { + top = win.frameElement == null && doc.documentElement; + } catch (e) { } + + if (top && top.doScroll) { + (function doScrollCheck() { + if (!isDomReady) { + try { + // Use the trick by Diego Perini + // http://javascript.nwbox.com/IEContentLoaded/ + top.doScroll("left"); + } catch (error) { + // let's not get nasty by setting a timeout too small.. (loop mania guaranteed if assets are queued) + win.clearTimeout(api.readyTimeout); + api.readyTimeout = win.setTimeout(doScrollCheck, 50); + return; + } + + // and execute any waiting functions + domReady(); + } + })(); + } + } + + /* + We wait for 300 ms before asset loading starts. for some reason this is needed + to make sure assets are cached. Not sure why this happens yet. A case study: + + https://github.com/headjs/headjs/issues/closed#issue/83 + */ + setTimeout(function () { + isHeadReady = true; + each(queue, function (fn) { + fn(); + }); + + }, 300); + +})(window); |