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diff --git a/backdrop/static/js/modernizr.js b/backdrop/static/js/modernizr.js new file mode 100644 index 0000000..3365339 --- /dev/null +++ b/backdrop/static/js/modernizr.js @@ -0,0 +1,1406 @@ +/*! + * Modernizr v2.8.3 + * www.modernizr.com + * + * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton + * Available under the BSD and MIT licenses: www.modernizr.com/license/ + */ + +/* + * Modernizr tests which native CSS3 and HTML5 features are available in + * the current UA and makes the results available to you in two ways: + * as properties on a global Modernizr object, and as classes on the + * <html> element. This information allows you to progressively enhance + * your pages with a granular level of control over the experience. + * + * Modernizr has an optional (not included) conditional resource loader + * called Modernizr.load(), based on Yepnope.js (yepnopejs.com). + * To get a build that includes Modernizr.load(), as well as choosing + * which tests to include, go to www.modernizr.com/download/ + * + * Authors Faruk Ates, Paul Irish, Alex Sexton + * Contributors Ryan Seddon, Ben Alman + */ + +window.Modernizr = (function( window, document, undefined ) { + + var version = '2.8.3', + + Modernizr = {}, + + /*>>cssclasses*/ + // option for enabling the HTML classes to be added + enableClasses = true, + /*>>cssclasses*/ + + docElement = document.documentElement, + + /** + * Create our "modernizr" element that we do most feature tests on. + */ + mod = 'modernizr', + modElem = document.createElement(mod), + mStyle = modElem.style, + + /** + * Create the input element for various Web Forms feature tests. + */ + inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ , + + /*>>smile*/ + smile = ':)', + /*>>smile*/ + + toString = {}.toString, + + // TODO :: make the prefixes more granular + /*>>prefixes*/ + // List of property values to set for css tests. See ticket #21 + prefixes = ' -webkit- -moz- -o- -ms- '.split(' '), + /*>>prefixes*/ + + /*>>domprefixes*/ + // Following spec is to expose vendor-specific style properties as: + // elem.style.WebkitBorderRadius + // and the following would be incorrect: + // elem.style.webkitBorderRadius + + // Webkit ghosts their properties in lowercase but Opera & Moz do not. + // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+ + // erik.eae.net/archives/2008/03/10/21.48.10/ + + // More here: github.com/Modernizr/Modernizr/issues/issue/21 + omPrefixes = 'Webkit Moz O ms', + + cssomPrefixes = omPrefixes.split(' '), + + domPrefixes = omPrefixes.toLowerCase().split(' '), + /*>>domprefixes*/ + + /*>>ns*/ + ns = {'svg': 'http://www.w3.org/2000/svg'}, + /*>>ns*/ + + tests = {}, + inputs = {}, + attrs = {}, + + classes = [], + + slice = classes.slice, + + featureName, // used in testing loop + + + /*>>teststyles*/ + // Inject element with style element and some CSS rules + injectElementWithStyles = function( rule, callback, nodes, testnames ) { + + var style, ret, node, docOverflow, + div = document.createElement('div'), + // After page load injecting a fake body doesn't work so check if body exists + body = document.body, + // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it. + fakeBody = body || document.createElement('body'); + + if ( parseInt(nodes, 10) ) { + // In order not to give false positives we create a node for each test + // This also allows the method to scale for unspecified uses + while ( nodes-- ) { + node = document.createElement('div'); + node.id = testnames ? testnames[nodes] : mod + (nodes + 1); + div.appendChild(node); + } + } + + // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed + // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element + // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements. + // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx + // Documents served as xml will throw if using ­ so use xml friendly encoded version. See issue #277 + style = ['­','<style id="s', mod, '">', rule, '</style>'].join(''); + div.id = mod; + // IE6 will false positive on some tests due to the style element inside the test div somehow interfering offsetHeight, so insert it into body or fakebody. + // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270 + (body ? div : fakeBody).innerHTML += style; + fakeBody.appendChild(div); + if ( !body ) { + //avoid crashing IE8, if background image is used + fakeBody.style.background = ''; + //Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible + fakeBody.style.overflow = 'hidden'; + docOverflow = docElement.style.overflow; + docElement.style.overflow = 'hidden'; + docElement.appendChild(fakeBody); + } + + ret = callback(div, rule); + // If this is done after page load we don't want to remove the body so check if body exists + if ( !body ) { + fakeBody.parentNode.removeChild(fakeBody); + docElement.style.overflow = docOverflow; + } else { + div.parentNode.removeChild(div); + } + + return !!ret; + + }, + /*>>teststyles*/ + + /*>>mq*/ + // adapted from matchMedia polyfill + // by Scott Jehl and Paul Irish + // gist.github.com/786768 + testMediaQuery = function( mq ) { + + var matchMedia = window.matchMedia || window.msMatchMedia; + if ( matchMedia ) { + return matchMedia(mq) && matchMedia(mq).matches || false; + } + + var bool; + + injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) { + bool = (window.getComputedStyle ? + getComputedStyle(node, null) : + node.currentStyle)['position'] == 'absolute'; + }); + + return bool; + + }, + /*>>mq*/ + + + /*>>hasevent*/ + // + // isEventSupported determines if a given element supports the given event + // kangax.github.com/iseventsupported/ + // + // The following results are known incorrects: + // Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative + // Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333 + // ... + isEventSupported = (function() { + + var TAGNAMES = { + 'select': 'input', 'change': 'input', + 'submit': 'form', 'reset': 'form', + 'error': 'img', 'load': 'img', 'abort': 'img' + }; + + function isEventSupported( eventName, element ) { + + element = element || document.createElement(TAGNAMES[eventName] || 'div'); + eventName = 'on' + eventName; + + // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those + var isSupported = eventName in element; + + if ( !isSupported ) { + // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element + if ( !element.setAttribute ) { + element = document.createElement('div'); + } + if ( element.setAttribute && element.removeAttribute ) { + element.setAttribute(eventName, ''); + isSupported = is(element[eventName], 'function'); + + // If property was created, "remove it" (by setting value to `undefined`) + if ( !is(element[eventName], 'undefined') ) { + element[eventName] = undefined; + } + element.removeAttribute(eventName); + } + } + + element = null; + return isSupported; + } + return isEventSupported; + })(), + /*>>hasevent*/ + + // TODO :: Add flag for hasownprop ? didn't last time + + // hasOwnProperty shim by kangax needed for Safari 2.0 support + _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp; + + if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) { + hasOwnProp = function (object, property) { + return _hasOwnProperty.call(object, property); + }; + } + else { + hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */ + return ((property in object) && is(object.constructor.prototype[property], 'undefined')); + }; + } + + // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js + // es5.github.com/#x15.3.4.5 + + if (!Function.prototype.bind) { + Function.prototype.bind = function bind(that) { + + var target = this; + + if (typeof target != "function") { + throw new TypeError(); + } + + var args = slice.call(arguments, 1), + bound = function () { + + if (this instanceof bound) { + + var F = function(){}; + F.prototype = target.prototype; + var self = new F(); + + var result = target.apply( + self, + args.concat(slice.call(arguments)) + ); + if (Object(result) === result) { + return result; + } + return self; + + } else { + + return target.apply( + that, + args.concat(slice.call(arguments)) + ); + + } + + }; + + return bound; + }; + } + + /** + * setCss applies given styles to the Modernizr DOM node. + */ + function setCss( str ) { + mStyle.cssText = str; + } + + /** + * setCssAll extrapolates all vendor-specific css strings. + */ + function setCssAll( str1, str2 ) { + return setCss(prefixes.join(str1 + ';') + ( str2 || '' )); + } + + /** + * is returns a boolean for if typeof obj is exactly type. + */ + function is( obj, type ) { + return typeof obj === type; + } + + /** + * contains returns a boolean for if substr is found within str. + */ + function contains( str, substr ) { + return !!~('' + str).indexOf(substr); + } + + /*>>testprop*/ + + // testProps is a generic CSS / DOM property test. + + // In testing support for a given CSS property, it's legit to test: + // `elem.style[styleName] !== undefined` + // If the property is supported it will return an empty string, + // if unsupported it will return undefined. + + // We'll take advantage of this quick test and skip setting a style + // on our modernizr element, but instead just testing undefined vs + // empty string. + + // Because the testing of the CSS property names (with "-", as + // opposed to the camelCase DOM properties) is non-portable and + // non-standard but works in WebKit and IE (but not Gecko or Opera), + // we explicitly reject properties with dashes so that authors + // developing in WebKit or IE first don't end up with + // browser-specific content by accident. + + function testProps( props, prefixed ) { + for ( var i in props ) { + var prop = props[i]; + if ( !contains(prop, "-") && mStyle[prop] !== undefined ) { + return prefixed == 'pfx' ? prop : true; + } + } + return false; + } + /*>>testprop*/ + + // TODO :: add testDOMProps + /** + * testDOMProps is a generic DOM property test; if a browser supports + * a certain property, it won't return undefined for it. + */ + function testDOMProps( props, obj, elem ) { + for ( var i in props ) { + var item = obj[props[i]]; + if ( item !== undefined) { + + // return the property name as a string + if (elem === false) return props[i]; + + // let's bind a function + if (is(item, 'function')){ + // default to autobind unless override + return item.bind(elem || obj); + } + + // return the unbound function or obj or value + return item; + } + } + return false; + } + + /*>>testallprops*/ + /** + * testPropsAll tests a list of DOM properties we want to check against. + * We specify literally ALL possible (known and/or likely) properties on + * the element including the non-vendor prefixed one, for forward- + * compatibility. + */ + function testPropsAll( prop, prefixed, elem ) { + + var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1), + props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' '); + + // did they call .prefixed('boxSizing') or are we just testing a prop? + if(is(prefixed, "string") || is(prefixed, "undefined")) { + return testProps(props, prefixed); + + // otherwise, they called .prefixed('requestAnimationFrame', window[, elem]) + } else { + props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' '); + return testDOMProps(props, prefixed, elem); + } + } + /*>>testallprops*/ + + + /** + * Tests + * ----- + */ + + // The *new* flexbox + // dev.w3.org/csswg/css3-flexbox + + tests['flexbox'] = function() { + return testPropsAll('flexWrap'); + }; + + // The *old* flexbox + // www.w3.org/TR/2009/WD-css3-flexbox-20090723/ + + tests['flexboxlegacy'] = function() { + return testPropsAll('boxDirection'); + }; + + // On the S60 and BB Storm, getContext exists, but always returns undefined + // so we actually have to call getContext() to verify + // github.com/Modernizr/Modernizr/issues/issue/97/ + + tests['canvas'] = function() { + var elem = document.createElement('canvas'); + return !!(elem.getContext && elem.getContext('2d')); + }; + + tests['canvastext'] = function() { + return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function')); + }; + + // webk.it/70117 is tracking a legit WebGL feature detect proposal + + // We do a soft detect which may false positive in order to avoid + // an expensive context creation: bugzil.la/732441 + + tests['webgl'] = function() { + return !!window.WebGLRenderingContext; + }; + + /* + * The Modernizr.touch test only indicates if the browser supports + * touch events, which does not necessarily reflect a touchscreen + * device, as evidenced by tablets running Windows 7 or, alas, + * the Palm Pre / WebOS (touch) phones. + * + * Additionally, Chrome (desktop) used to lie about its support on this, + * but that has since been rectified: crbug.com/36415 + * + * We also test for Firefox 4 Multitouch Support. + * + * For more info, see: modernizr.github.com/Modernizr/touch.html + */ + + tests['touch'] = function() { + var bool; + + if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) { + bool = true; + } else { + injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) { + bool = node.offsetTop === 9; + }); + } + + return bool; + }; + + + // geolocation is often considered a trivial feature detect... + // Turns out, it's quite tricky to get right: + // + // Using !!navigator.geolocation does two things we don't want. It: + // 1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513 + // 2. Disables page caching in WebKit: webk.it/43956 + // + // Meanwhile, in Firefox < 8, an about:config setting could expose + // a false positive that would throw an exception: bugzil.la/688158 + + tests['geolocation'] = function() { + return 'geolocation' in navigator; + }; + + + tests['postmessage'] = function() { + return !!window.postMessage; + }; + + + // Chrome incognito mode used to throw an exception when using openDatabase + // It doesn't anymore. + tests['websqldatabase'] = function() { + return !!window.openDatabase; + }; + + // Vendors had inconsistent prefixing with the experimental Indexed DB: + // - Webkit's implementation is accessible through webkitIndexedDB + // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB + // For speed, we don't test the legacy (and beta-only) indexedDB + tests['indexedDB'] = function() { + return !!testPropsAll("indexedDB", window); + }; + + // documentMode logic from YUI to filter out IE8 Compat Mode + // which false positives. + tests['hashchange'] = function() { + return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7); + }; + + // Per 1.6: + // This used to be Modernizr.historymanagement but the longer + // name has been deprecated in favor of a shorter and property-matching one. + // The old API is still available in 1.6, but as of 2.0 will throw a warning, + // and in the first release thereafter disappear entirely. + tests['history'] = function() { + return !!(window.history && history.pushState); + }; + + tests['draganddrop'] = function() { + var div = document.createElement('div'); + return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div); + }; + + // FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10 + // will be supported until FF19 (2/12/13), at which time, ESR becomes FF17. + // FF10 still uses prefixes, so check for it until then. + // for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/ + tests['websockets'] = function() { + return 'WebSocket' in window || 'MozWebSocket' in window; + }; + + + // css-tricks.com/rgba-browser-support/ + tests['rgba'] = function() { + // Set an rgba() color and check the returned value + + setCss('background-color:rgba(150,255,150,.5)'); + + return contains(mStyle.backgroundColor, 'rgba'); + }; + + tests['hsla'] = function() { + // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally, + // except IE9 who retains it as hsla + + setCss('background-color:hsla(120,40%,100%,.5)'); + + return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla'); + }; + + tests['multiplebgs'] = function() { + // Setting multiple images AND a color on the background shorthand property + // and then querying the style.background property value for the number of + // occurrences of "url(" is a reliable method for detecting ACTUAL support for this! + + setCss('background:url(https://),url(https://),red url(https://)'); + + // If the UA supports multiple backgrounds, there should be three occurrences + // of the string "url(" in the return value for elemStyle.background + + return (/(url\s*\(.*?){3}/).test(mStyle.background); + }; + + + + // this will false positive in Opera Mini + // github.com/Modernizr/Modernizr/issues/396 + + tests['backgroundsize'] = function() { + return testPropsAll('backgroundSize'); + }; + + tests['borderimage'] = function() { + return testPropsAll('borderImage'); + }; + + + // Super comprehensive table about all the unique implementations of + // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance + + tests['borderradius'] = function() { + return testPropsAll('borderRadius'); + }; + + // WebOS unfortunately false positives on this test. + tests['boxshadow'] = function() { + return testPropsAll('boxShadow'); + }; + + // FF3.0 will false positive on this test + tests['textshadow'] = function() { + return document.createElement('div').style.textShadow === ''; + }; + + + tests['opacity'] = function() { + // Browsers that actually have CSS Opacity implemented have done so + // according to spec, which means their return values are within the + // range of [0.0,1.0] - including the leading zero. + + setCssAll('opacity:.55'); + + // The non-literal . in this regex is intentional: + // German Chrome returns this value as 0,55 + // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632 + return (/^0.55$/).test(mStyle.opacity); + }; + + + // Note, Android < 4 will pass this test, but can only animate + // a single property at a time + // goo.gl/v3V4Gp + tests['cssanimations'] = function() { + return testPropsAll('animationName'); + }; + + + tests['csscolumns'] = function() { + return testPropsAll('columnCount'); + }; + + + tests['cssgradients'] = function() { + /** + * For CSS Gradients syntax, please see: + * webkit.org/blog/175/introducing-css-gradients/ + * developer.mozilla.org/en/CSS/-moz-linear-gradient + * developer.mozilla.org/en/CSS/-moz-radial-gradient + * dev.w3.org/csswg/css3-images/#gradients- + */ + + var str1 = 'background-image:', + str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));', + str3 = 'linear-gradient(left top,#9f9, white);'; + + setCss( + // legacy webkit syntax (FIXME: remove when syntax not in use anymore) + (str1 + '-webkit- '.split(' ').join(str2 + str1) + + // standard syntax // trailing 'background-image:' + prefixes.join(str3 + str1)).slice(0, -str1.length) + ); + + return contains(mStyle.backgroundImage, 'gradient'); + }; + + + tests['cssreflections'] = function() { + return testPropsAll('boxReflect'); + }; + + + tests['csstransforms'] = function() { + return !!testPropsAll('transform'); + }; + + + tests['csstransforms3d'] = function() { + + var ret = !!testPropsAll('perspective'); + + // Webkit's 3D transforms are passed off to the browser's own graphics renderer. + // It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in + // some conditions. As a result, Webkit typically recognizes the syntax but + // will sometimes throw a false positive, thus we must do a more thorough check: + if ( ret && 'webkitPerspective' in docElement.style ) { + + // Webkit allows this media query to succeed only if the feature is enabled. + // `@media (transform-3d),(-webkit-transform-3d){ ... }` + injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) { + ret = node.offsetLeft === 9 && node.offsetHeight === 3; + }); + } + return ret; + }; + + + tests['csstransitions'] = function() { + return testPropsAll('transition'); + }; + + + /*>>fontface*/ + // @font-face detection routine by Diego Perini + // javascript.nwbox.com/CSSSupport/ + + // false positives: + // WebOS github.com/Modernizr/Modernizr/issues/342 + // WP7 github.com/Modernizr/Modernizr/issues/538 + tests['fontface'] = function() { + var bool; + + injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function( node, rule ) { + var style = document.getElementById('smodernizr'), + sheet = style.sheet || style.styleSheet, + cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : ''; + + bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0; + }); + + return bool; + }; + /*>>fontface*/ + + // CSS generated content detection + tests['generatedcontent'] = function() { + var bool; + + injectElementWithStyles(['#',mod,'{font:0/0 a}#',mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(''), function( node ) { + bool = node.offsetHeight >= 3; + }); + + return bool; + }; + + + + // These tests evaluate support of the video/audio elements, as well as + // testing what types of content they support. + // + // We're using the Boolean constructor here, so that we can extend the value + // e.g. Modernizr.video // true + // Modernizr.video.ogg // 'probably' + // + // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845 + // thx to NielsLeenheer and zcorpan + + // Note: in some older browsers, "no" was a return value instead of empty string. + // It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2 + // It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5 + + tests['video'] = function() { + var elem = document.createElement('video'), + bool = false; + + // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224 + try { + if ( bool = !!elem.canPlayType ) { + bool = new Boolean(bool); + bool.ogg = elem.canPlayType('video/ogg; codecs="theora"') .replace(/^no$/,''); + + // Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546 + bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,''); + + bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,''); + } + + } catch(e) { } + + return bool; + }; + + tests['audio'] = function() { + var elem = document.createElement('audio'), + bool = false; + + try { + if ( bool = !!elem.canPlayType ) { + bool = new Boolean(bool); + bool.ogg = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,''); + bool.mp3 = elem.canPlayType('audio/mpeg;') .replace(/^no$/,''); + + // Mimetypes accepted: + // developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements + // bit.ly/iphoneoscodecs + bool.wav = elem.canPlayType('audio/wav; codecs="1"') .replace(/^no$/,''); + bool.m4a = ( elem.canPlayType('audio/x-m4a;') || + elem.canPlayType('audio/aac;')) .replace(/^no$/,''); + } + } catch(e) { } + + return bool; + }; + + + // In FF4, if disabled, window.localStorage should === null. + + // Normally, we could not test that directly and need to do a + // `('localStorage' in window) && ` test first because otherwise Firefox will + // throw bugzil.la/365772 if cookies are disabled + + // Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem + // will throw the exception: + // QUOTA_EXCEEDED_ERRROR DOM Exception 22. + // Peculiarly, getItem and removeItem calls do not throw. + + // Because we are forced to try/catch this, we'll go aggressive. + + // Just FWIW: IE8 Compat mode supports these features completely: + // www.quirksmode.org/dom/html5.html + // But IE8 doesn't support either with local files + + tests['localstorage'] = function() { + try { + localStorage.setItem(mod, mod); + localStorage.removeItem(mod); + return true; + } catch(e) { + return false; + } + }; + + tests['sessionstorage'] = function() { + try { + sessionStorage.setItem(mod, mod); + sessionStorage.removeItem(mod); + return true; + } catch(e) { + return false; + } + }; + + + tests['webworkers'] = function() { + return !!window.Worker; + }; + + + tests['applicationcache'] = function() { + return !!window.applicationCache; + }; + + + // Thanks to Erik Dahlstrom + tests['svg'] = function() { + return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect; + }; + + // specifically for SVG inline in HTML, not within XHTML + // test page: paulirish.com/demo/inline-svg + tests['inlinesvg'] = function() { + var div = document.createElement('div'); + div.innerHTML = '<svg/>'; + return (div.firstChild && div.firstChild.namespaceURI) == ns.svg; + }; + + // SVG SMIL animation + tests['smil'] = function() { + return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate'))); + }; + + // This test is only for clip paths in SVG proper, not clip paths on HTML content + // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg + + // However read the comments to dig into applying SVG clippaths to HTML content here: + // github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491 + tests['svgclippaths'] = function() { + return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath'))); + }; + + /*>>webforms*/ + // input features and input types go directly onto the ret object, bypassing the tests loop. + // Hold this guy to execute in a moment. + function webforms() { + /*>>input*/ + // Run through HTML5's new input attributes to see if the UA understands any. + // We're using f which is the <input> element created early on + // Mike Taylr has created a comprehensive resource for testing these attributes + // when applied to all input types: + // miketaylr.com/code/input-type-attr.html + // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary + + // Only input placeholder is tested while textarea's placeholder is not. + // Currently Safari 4 and Opera 11 have support only for the input placeholder + // Both tests are available in feature-detects/forms-placeholder.js + Modernizr['input'] = (function( props ) { + for ( var i = 0, len = props.length; i < len; i++ ) { + attrs[ props[i] ] = !!(props[i] in inputElem); + } + if (attrs.list){ + // safari false positive's on datalist: webk.it/74252 + // see also github.com/Modernizr/Modernizr/issues/146 + attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement); + } + return attrs; + })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' ')); + /*>>input*/ + + /*>>inputtypes*/ + // Run through HTML5's new input types to see if the UA understands any. + // This is put behind the tests runloop because it doesn't return a + // true/false like all the other tests; instead, it returns an object + // containing each input type with its corresponding true/false value + + // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/ + Modernizr['inputtypes'] = (function(props) { + + for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) { + + inputElem.setAttribute('type', inputElemType = props[i]); + bool = inputElem.type !== 'text'; + + // We first check to see if the type we give it sticks.. + // If the type does, we feed it a textual value, which shouldn't be valid. + // If the value doesn't stick, we know there's input sanitization which infers a custom UI + if ( bool ) { + + inputElem.value = smile; + inputElem.style.cssText = 'position:absolute;visibility:hidden;'; + + if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) { + + docElement.appendChild(inputElem); + defaultView = document.defaultView; + + // Safari 2-4 allows the smiley as a value, despite making a slider + bool = defaultView.getComputedStyle && + defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' && + // Mobile android web browser has false positive, so must + // check the height to see if the widget is actually there. + (inputElem.offsetHeight !== 0); + + docElement.removeChild(inputElem); + + } else if ( /^(search|tel)$/.test(inputElemType) ){ + // Spec doesn't define any special parsing or detectable UI + // behaviors so we pass these through as true + + // Interestingly, opera fails the earlier test, so it doesn't + // even make it here. + + } else if ( /^(url|email)$/.test(inputElemType) ) { + // Real url and email support comes with prebaked validation. + bool = inputElem.checkValidity && inputElem.checkValidity() === false; + + } else { + // If the upgraded input compontent rejects the :) text, we got a winner + bool = inputElem.value != smile; + } + } + + inputs[ props[i] ] = !!bool; + } + return inputs; + })('search tel url email datetime date month week time datetime-local number range color'.split(' ')); + /*>>inputtypes*/ + } + /*>>webforms*/ + + + // End of test definitions + // ----------------------- + + + + // Run through all tests and detect their support in the current UA. + // todo: hypothetically we could be doing an array of tests and use a basic loop here. + for ( var feature in tests ) { + if ( hasOwnProp(tests, feature) ) { + // run the test, throw the return value into the Modernizr, + // then based on that boolean, define an appropriate className + // and push it into an array of classes we'll join later. + featureName = feature.toLowerCase(); + Modernizr[featureName] = tests[feature](); + + classes.push((Modernizr[featureName] ? '' : 'no-') + featureName); + } + } + + /*>>webforms*/ + // input tests need to run. + Modernizr.input || webforms(); + /*>>webforms*/ + + + /** + * addTest allows the user to define their own feature tests + * the result will be added onto the Modernizr object, + * as well as an appropriate className set on the html element + * + * @param feature - String naming the feature + * @param test - Function returning true if feature is supported, false if not + */ + Modernizr.addTest = function ( feature, test ) { + if ( typeof feature == 'object' ) { + for ( var key in feature ) { + if ( hasOwnProp( feature, key ) ) { + Modernizr.addTest( key, feature[ key ] ); + } + } + } else { + + feature = feature.toLowerCase(); + + if ( Modernizr[feature] !== undefined ) { + // we're going to quit if you're trying to overwrite an existing test + // if we were to allow it, we'd do this: + // var re = new RegExp("\\b(no-)?" + feature + "\\b"); + // docElement.className = docElement.className.replace( re, '' ); + // but, no rly, stuff 'em. + return Modernizr; + } + + test = typeof test == 'function' ? test() : test; + + if (typeof enableClasses !== "undefined" && enableClasses) { + docElement.className += ' ' + (test ? '' : 'no-') + feature; + } + Modernizr[feature] = test; + + } + + return Modernizr; // allow chaining. + }; + + + // Reset modElem.cssText to nothing to reduce memory footprint. + setCss(''); + modElem = inputElem = null; + + /*>>shiv*/ + /** + * @preserve HTML5 Shiv prev3.7.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed + */ + ;(function(window, document) { + /*jshint evil:true */ + /** version */ + var version = '3.7.0'; + + /** Preset options */ + var options = window.html5 || {}; + + /** Used to skip problem elements */ + var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i; + + /** Not all elements can be cloned in IE **/ + var saveClones = /^(?: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; + + /** Detect whether the browser supports default html5 styles */ + var supportsHtml5Styles; + + /** Name of the expando, to work with multiple documents or to re-shiv one document */ + var expando = '_html5shiv'; + + /** The id for the the documents expando */ + var expanID = 0; + + /** Cached data for each document */ + var expandoData = {}; + + /** Detect whether the browser supports unknown elements */ + var supportsUnknownElements; + + (function() { + try { + var a = document.createElement('a'); + a.innerHTML = '<xyz></xyz>'; + //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles + supportsHtml5Styles = ('hidden' in a); + + supportsUnknownElements = a.childNodes.length == 1 || (function() { + // assign a false positive if unable to shiv + (document.createElement)('a'); + var frag = document.createDocumentFragment(); + return ( + typeof frag.cloneNode == 'undefined' || + typeof frag.createDocumentFragment == 'undefined' || + typeof frag.createElement == 'undefined' + ); + }()); + } catch(e) { + // assign a false positive if detection fails => unable to shiv + supportsHtml5Styles = true; + supportsUnknownElements = true; + } + + }()); + + /*--------------------------------------------------------------------------*/ + + /** + * Creates a style sheet with the given CSS text and adds it to the document. + * @private + * @param {Document} ownerDocument The document. + * @param {String} cssText The CSS text. + * @returns {StyleSheet} The style element. + */ + function addStyleSheet(ownerDocument, cssText) { + var p = ownerDocument.createElement('p'), + parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement; + + p.innerHTML = 'x<style>' + cssText + '</style>'; + return parent.insertBefore(p.lastChild, parent.firstChild); + } + + /** + * Returns the value of `html5.elements` as an array. + * @private + * @returns {Array} An array of shived element node names. + */ + function getElements() { + var elements = html5.elements; + return typeof elements == 'string' ? elements.split(' ') : elements; + } + + /** + * Returns the data associated to the given document + * @private + * @param {Document} ownerDocument The document. + * @returns {Object} An object of data. + */ + function getExpandoData(ownerDocument) { + var data = expandoData[ownerDocument[expando]]; + if (!data) { + data = {}; + expanID++; + ownerDocument[expando] = expanID; + expandoData[expanID] = data; + } + return data; + } + + /** + * returns a shived element for the given nodeName and document + * @memberOf html5 + * @param {String} nodeName name of the element + * @param {Document} ownerDocument The context document. + * @returns {Object} The shived element. + */ + function createElement(nodeName, ownerDocument, data){ + if (!ownerDocument) { + ownerDocument = document; + } + if(supportsUnknownElements){ + return ownerDocument.createElement(nodeName); + } + if (!data) { + data = getExpandoData(ownerDocument); + } + var node; + + if (data.cache[nodeName]) { + node = data.cache[nodeName].cloneNode(); + } else if (saveClones.test(nodeName)) { + node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode(); + } else { + node = data.createElem(nodeName); + } + + // Avoid adding some elements to fragments in IE < 9 because + // * Attributes like `name` or `type` cannot be set/changed once an element + // is inserted into a document/fragment + // * Link elements with `src` attributes that are inaccessible, as with + // a 403 response, will cause the tab/window to crash + // * Script elements appended to fragments will execute when their `src` + // or `text` property is set + return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node; + } + + /** + * returns a shived DocumentFragment for the given document + * @memberOf html5 + * @param {Document} ownerDocument The context document. + * @returns {Object} The shived DocumentFragment. + */ + function createDocumentFragment(ownerDocument, data){ + if (!ownerDocument) { + ownerDocument = document; + } + if(supportsUnknownElements){ + return ownerDocument.createDocumentFragment(); + } + data = data || getExpandoData(ownerDocument); + var clone = data.frag.cloneNode(), + i = 0, + elems = getElements(), + l = elems.length; + for(;i<l;i++){ + clone.createElement(elems[i]); + } + return clone; + } + + /** + * Shivs the `createElement` and `createDocumentFragment` methods of the document. + * @private + * @param {Document|DocumentFragment} ownerDocument The document. + * @param {Object} data of the document. + */ + function shivMethods(ownerDocument, data) { + if (!data.cache) { + data.cache = {}; + data.createElem = ownerDocument.createElement; + data.createFrag = ownerDocument.createDocumentFragment; + data.frag = data.createFrag(); + } + + + ownerDocument.createElement = function(nodeName) { + //abort shiv + if (!html5.shivMethods) { + return data.createElem(nodeName); + } + return createElement(nodeName, ownerDocument, data); + }; + + ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' + + 'var n=f.cloneNode(),c=n.createElement;' + + 'h.shivMethods&&(' + + // unroll the `createElement` calls + getElements().join().replace(/[\w\-]+/g, function(nodeName) { + data.createElem(nodeName); + data.frag.createElement(nodeName); + return 'c("' + nodeName + '")'; + }) + + ');return n}' + )(html5, data.frag); + } + + /*--------------------------------------------------------------------------*/ + + /** + * Shivs the given document. + * @memberOf html5 + * @param {Document} ownerDocument The document to shiv. + * @returns {Document} The shived document. + */ + function shivDocument(ownerDocument) { + if (!ownerDocument) { + ownerDocument = document; + } + var data = getExpandoData(ownerDocument); + + if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) { + data.hasCSS = !!addStyleSheet(ownerDocument, + // corrects block display not defined in IE6/7/8/9 + 'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' + + // adds styling not present in IE6/7/8/9 + 'mark{background:#FF0;color:#000}' + + // hides non-rendered elements + 'template{display:none}' + ); + } + if (!supportsUnknownElements) { + shivMethods(ownerDocument, data); + } + return ownerDocument; + } + + /*--------------------------------------------------------------------------*/ + + /** + * The `html5` object is exposed so that more elements can be shived and + * existing shiving can be detected on iframes. + * @type Object + * @example + * + * // options can be changed before the script is included + * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false }; + */ + var html5 = { + + /** + * An array or space separated string of node names of the elements to shiv. + * @memberOf html5 + * @type Array|String + */ + 'elements': options.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', + + /** + * current version of html5shiv + */ + 'version': version, + + /** + * A flag to indicate that the HTML5 style sheet should be inserted. + * @memberOf html5 + * @type Boolean + */ + 'shivCSS': (options.shivCSS !== false), + + /** + * Is equal to true if a browser supports creating unknown/HTML5 elements + * @memberOf html5 + * @type boolean + */ + 'supportsUnknownElements': supportsUnknownElements, + + /** + * A flag to indicate that the document's `createElement` and `createDocumentFragment` + * methods should be overwritten. + * @memberOf html5 + * @type Boolean + */ + 'shivMethods': (options.shivMethods !== false), + + /** + * A string to describe the type of `html5` object ("default" or "default print"). + * @memberOf html5 + * @type String + */ + 'type': 'default', + + // shivs the document according to the specified `html5` object options + 'shivDocument': shivDocument, + + //creates a shived element + createElement: createElement, + + //creates a shived documentFragment + createDocumentFragment: createDocumentFragment + }; + + /*--------------------------------------------------------------------------*/ + + // expose html5 + window.html5 = html5; + + // shiv the document + shivDocument(document); + + }(this, document)); + /*>>shiv*/ + + // Assign private properties to the return object with prefix + Modernizr._version = version; + + // expose these for the plugin API. Look in the source for how to join() them against your input + /*>>prefixes*/ + Modernizr._prefixes = prefixes; + /*>>prefixes*/ + /*>>domprefixes*/ + Modernizr._domPrefixes = domPrefixes; + Modernizr._cssomPrefixes = cssomPrefixes; + /*>>domprefixes*/ + + /*>>mq*/ + // Modernizr.mq tests a given media query, live against the current state of the window + // A few important notes: + // * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false + // * A max-width or orientation query will be evaluated against the current state, which may change later. + // * You must specify values. Eg. If you are testing support for the min-width media query use: + // Modernizr.mq('(min-width:0)') + // usage: + // Modernizr.mq('only screen and (max-width:768)') + Modernizr.mq = testMediaQuery; + /*>>mq*/ + + /*>>hasevent*/ + // Modernizr.hasEvent() detects support for a given event, with an optional element to test on + // Modernizr.hasEvent('gesturestart', elem) + Modernizr.hasEvent = isEventSupported; + /*>>hasevent*/ + + /*>>testprop*/ + // Modernizr.testProp() investigates whether a given style property is recognized + // Note that the property names must be provided in the camelCase variant. + // Modernizr.testProp('pointerEvents') + Modernizr.testProp = function(prop){ + return testProps([prop]); + }; + /*>>testprop*/ + + /*>>testallprops*/ + // Modernizr.testAllProps() investigates whether a given style property, + // or any of its vendor-prefixed variants, is recognized + // Note that the property names must be provided in the camelCase variant. + // Modernizr.testAllProps('boxSizing') + Modernizr.testAllProps = testPropsAll; + /*>>testallprops*/ + + + /*>>teststyles*/ + // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards + // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... }) + Modernizr.testStyles = injectElementWithStyles; + /*>>teststyles*/ + + + /*>>prefixed*/ + // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input + // Modernizr.prefixed('boxSizing') // 'MozBoxSizing' + + // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style. + // Return values will also be the camelCase variant, if you need to translate that to hypenated style use: + // + // str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-'); + + // If you're trying to ascertain which transition end event to bind to, you might do something like... + // + // var transEndEventNames = { + // 'WebkitTransition' : 'webkitTransitionEnd', + // 'MozTransition' : 'transitionend', + // 'OTransition' : 'oTransitionEnd', + // 'msTransition' : 'MSTransitionEnd', + // 'transition' : 'transitionend' + // }, + // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ]; + + Modernizr.prefixed = function(prop, obj, elem){ + if(!obj) { + return testPropsAll(prop, 'pfx'); + } else { + // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame' + return testPropsAll(prop, obj, elem); + } + }; + /*>>prefixed*/ + + + /*>>cssclasses*/ + // Remove "no-js" class from <html> element, if it exists: + docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') + + + // Add the new classes to the <html> element. + (enableClasses ? ' js ' + classes.join(' ') : ''); + /*>>cssclasses*/ + + return Modernizr; + +})(this, this.document); |