-/*!
- * Modernizr v2.0.6
- * http://www.modernizr.com
- *
- * Copyright (c) 2009-2011 Faruk Ates, Paul Irish, Alex Sexton
- * Dual-licensed under the BSD or 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 = '2.0.6',
-
- Modernizr = {},
-
- // option for enabling the HTML classes to be added
- enableClasses = true,
-
- docElement = document.documentElement,
- docHead = document.head || document.getElementsByTagName('head')[0],
-
- /**
- * 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 = document.createElement('input'),
-
- smile = ':)',
-
- toString = Object.prototype.toString,
-
- // List of property values to set for css tests. See ticket #21
- prefixes = ' -webkit- -moz- -o- -ms- -khtml- '.split(' '),
-
- // 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 foregoes prefixes entirely <= IE8, but appears to
- // use a lowercase `ms` instead of the correct `Ms` in IE9
-
- // More here: http://github.com/Modernizr/Modernizr/issues/issue/21
- domPrefixes = 'Webkit Moz O ms Khtml'.split(' '),
-
- ns = {'svg': 'http://www.w3.org/2000/svg'},
-
- tests = {},
- inputs = {},
- attrs = {},
-
- classes = [],
-
- featureName, // used in testing loop
-
-
- // Inject element with style element and some CSS rules
- injectElementWithStyles = function( rule, callback, nodes, testnames ) {
-
- var style, ret, node,
- div = document.createElement('div');
-
- 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.
- // http://msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
- style = ['­', '<style>', rule, '</style>'].join('');
- div.id = mod;
- div.innerHTML += style;
- docElement.appendChild(div);
-
- ret = callback(div, rule);
- div.parentNode.removeChild(div);
-
- return !!ret;
-
- },
-
-
- // adapted from matchMedia polyfill
- // by Scott Jehl and Paul Irish
- // gist.github.com/786768
- testMediaQuery = function( mq ) {
-
- if ( window.matchMedia ) {
- return matchMedia(mq).matches;
- }
-
- var bool;
-
- injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) {
- bool = (window.getComputedStyle ?
- getComputedStyle(node, null) :
- node.currentStyle)['position'] == 'absolute';
- });
-
- return bool;
-
- },
-
-
- /**
- * isEventSupported determines if a given element supports the given event
- * function from http://yura.thinkweb2.com/isEventSupported/
- */
- 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;
- })();
-
- // hasOwnProperty shim by kangax needed for Safari 2.0 support
- var _hasOwnProperty = ({}).hasOwnProperty, hasOwnProperty;
- if ( !is(_hasOwnProperty, undefined) && !is(_hasOwnProperty.call, undefined) ) {
- hasOwnProperty = function (object, property) {
- return _hasOwnProperty.call(object, property);
- };
- }
- else {
- hasOwnProperty = 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));
- };
- }
-
- /**
- * 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);
- }
-
- /**
- * testProps is a generic CSS / DOM property test; if a browser supports
- * a certain property, it won't return undefined for it.
- * A supported CSS property returns empty string when its not yet set.
- */
- function testProps( props, prefixed ) {
- for ( var i in props ) {
- if ( mStyle[ props[i] ] !== undefined ) {
- return prefixed == 'pfx' ? props[i] : true;
- }
- }
- return false;
- }
-
- /**
- * 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 ) {
-
- var ucProp = prop.charAt(0).toUpperCase() + prop.substr(1),
- props = (prop + ' ' + domPrefixes.join(ucProp + ' ') + ucProp).split(' ');
-
- return testProps(props, prefixed);
- }
-
- /**
- * testBundle tests a list of CSS features that require element and style injection.
- * By bundling them together we can reduce the need to touch the DOM multiple times.
- */
- /*>>testBundle*/
- var testBundle = (function( styles, tests ) {
- var style = styles.join(''),
- len = tests.length;
-
- injectElementWithStyles(style, function( node, rule ) {
- var style = document.styleSheets[document.styleSheets.length - 1],
- // IE8 will bork if you create a custom build that excludes both fontface and generatedcontent tests.
- // So we check for cssRules and that there is a rule available
- // More here: https://github.com/Modernizr/Modernizr/issues/288 & https://github.com/Modernizr/Modernizr/issues/293
- cssText = style.cssRules && style.cssRules[0] ? style.cssRules[0].cssText : style.cssText || "",
- children = node.childNodes, hash = {};
-
- while ( len-- ) {
- hash[children[len].id] = children[len];
- }
-
- /*>>touch*/ Modernizr['touch'] = ('ontouchstart' in window) || hash['touch'].offsetTop === 9; /*>>touch*/
- /*>>csstransforms3d*/ Modernizr['csstransforms3d'] = hash['csstransforms3d'].offsetLeft === 9; /*>>csstransforms3d*/
- /*>>generatedcontent*/Modernizr['generatedcontent'] = hash['generatedcontent'].offsetHeight >= 1; /*>>generatedcontent*/
- /*>>fontface*/ Modernizr['fontface'] = /src/i.test(cssText) &&
- cssText.indexOf(rule.split(' ')[0]) === 0; /*>>fontface*/
- }, len, tests);
-
- })([
- // Pass in styles to be injected into document
- /*>>fontface*/ '@font-face {font-family:"font";src:url("https://")}' /*>>fontface*/
-
- /*>>touch*/ ,['@media (',prefixes.join('touch-enabled),('),mod,')',
- '{#touch{top:9px;position:absolute}}'].join('') /*>>touch*/
-
- /*>>csstransforms3d*/ ,['@media (',prefixes.join('transform-3d),('),mod,')',
- '{#csstransforms3d{left:9px;position:absolute}}'].join('')/*>>csstransforms3d*/
-
- /*>>generatedcontent*/,['#generatedcontent:after{content:"',smile,'";visibility:hidden}'].join('') /*>>generatedcontent*/
- ],
- [
- /*>>fontface*/ 'fontface' /*>>fontface*/
- /*>>touch*/ ,'touch' /*>>touch*/
- /*>>csstransforms3d*/ ,'csstransforms3d' /*>>csstransforms3d*/
- /*>>generatedcontent*/,'generatedcontent' /*>>generatedcontent*/
-
- ]);/*>>testBundle*/
-
-
- /**
- * Tests
- * -----
- */
-
- tests['flexbox'] = function() {
- /**
- * setPrefixedValueCSS sets the property of a specified element
- * adding vendor prefixes to the VALUE of the property.
- * @param {Element} element
- * @param {string} property The property name. This will not be prefixed.
- * @param {string} value The value of the property. This WILL be prefixed.
- * @param {string=} extra Additional CSS to append unmodified to the end of
- * the CSS string.
- */
- function setPrefixedValueCSS( element, property, value, extra ) {
- property += ':';
- element.style.cssText = (property + prefixes.join(value + ';' + property)).slice(0, -property.length) + (extra || '');
- }
-
- /**
- * setPrefixedPropertyCSS sets the property of a specified element
- * adding vendor prefixes to the NAME of the property.
- * @param {Element} element
- * @param {string} property The property name. This WILL be prefixed.
- * @param {string} value The value of the property. This will not be prefixed.
- * @param {string=} extra Additional CSS to append unmodified to the end of
- * the CSS string.
- */
- function setPrefixedPropertyCSS( element, property, value, extra ) {
- element.style.cssText = prefixes.join(property + ':' + value + ';') + (extra || '');
- }
-
- var c = document.createElement('div'),
- elem = document.createElement('div');
-
- setPrefixedValueCSS(c, 'display', 'box', 'width:42px;padding:0;');
- setPrefixedPropertyCSS(elem, 'box-flex', '1', 'width:10px;');
-
- c.appendChild(elem);
- docElement.appendChild(c);
-
- var ret = elem.offsetWidth === 42;
-
- c.removeChild(elem);
- docElement.removeChild(c);
-
- return ret;
- };
-
- // On the S60 and BB Storm, getContext exists, but always returns undefined
- // http://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'));
- };
-
- // This WebGL test may false positive.
- // But really it's quite impossible to know whether webgl will succeed until after you create the context.
- // You might have hardware that can support a 100x100 webgl canvas, but will not support a 1000x1000 webgl
- // canvas. So this feature inference is weak, but intentionally so.
-
- // It is known to false positive in FF4 with certain hardware and the iPad 2.
-
- 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: http://crbug.com/36415
- *
- * We also test for Firefox 4 Multitouch Support.
- *
- * For more info, see: http://modernizr.github.com/Modernizr/touch.html
- */
-
- tests['touch'] = function() {
- return Modernizr['touch'];
- };
-
- /**
- * geolocation tests for the new Geolocation API specification.
- * This test is a standards compliant-only test; for more complete
- * testing, including a Google Gears fallback, please see:
- * http://code.google.com/p/geo-location-javascript/
- * or view a fallback solution using google's geo API:
- * http://gist.github.com/366184
- */
- tests['geolocation'] = function() {
- return !!navigator.geolocation;
- };
-
- // Per 1.6:
- // This used to be Modernizr.crosswindowmessaging 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['postmessage'] = function() {
- return !!window.postMessage;
- };
-
- // Web SQL database detection is tricky:
-
- // In chrome incognito mode, openDatabase is truthy, but using it will
- // throw an exception: http://crbug.com/42380
- // We can create a dummy database, but there is no way to delete it afterwards.
-
- // Meanwhile, Safari users can get prompted on any database creation.
- // If they do, any page with Modernizr will give them a prompt:
- // http://github.com/Modernizr/Modernizr/issues/closed#issue/113
-
- // We have chosen to allow the Chrome incognito false positive, so that Modernizr
- // doesn't litter the web with these test databases. As a developer, you'll have
- // to account for this gotcha yourself.
- tests['websqldatabase'] = function() {
- var result = !!window.openDatabase;
- /* if (result){
- try {
- result = !!openDatabase( mod + "testdb", "1.0", mod + "testdb", 2e4);
- } catch(e) {
- }
- } */
- return result;
- };
-
- // 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() {
- for ( var i = -1, len = domPrefixes.length; ++i < len; ){
- if ( window[domPrefixes[i].toLowerCase() + 'IndexedDB'] ){
- return true;
- }
- }
- return !!window.indexedDB;
- };
-
- // 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() {
- return isEventSupported('dragstart') && isEventSupported('drop');
- };
-
- // Mozilla is targeting to land MozWebSocket for FF6
- // bugzil.la/659324
- tests['websockets'] = function() {
- for ( var i = -1, len = domPrefixes.length; ++i < len; ){
- if ( window[domPrefixes[i] + 'WebSocket'] ){
- return true;
- }
- }
- return 'WebSocket' in window;
- };
-
-
- // http://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);
- };
-
-
- // 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.
-
-
- tests['backgroundsize'] = function() {
- return testPropsAll('backgroundSize');
- };
-
- tests['borderimage'] = function() {
- return testPropsAll('borderImage');
- };
-
-
- // Super comprehensive table about all the unique implementations of
- // border-radius: http://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
- // https://github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
- return /^0.55$/.test(mStyle.opacity);
- };
-
-
- tests['cssanimations'] = function() {
- return testPropsAll('animationName');
- };
-
-
- tests['csscolumns'] = function() {
- return testPropsAll('columnCount');
- };
-
-
- tests['cssgradients'] = function() {
- /**
- * For CSS Gradients syntax, please see:
- * http://webkit.org/blog/175/introducing-css-gradients/
- * https://developer.mozilla.org/en/CSS/-moz-linear-gradient
- * https://developer.mozilla.org/en/CSS/-moz-radial-gradient
- * http://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(
- (str1 + prefixes.join(str2 + str1) + prefixes.join(str3 + str1)).slice(0, -str1.length)
- );
-
- return contains(mStyle.backgroundImage, 'gradient');
- };
-
-
- tests['cssreflections'] = function() {
- return testPropsAll('boxReflect');
- };
-
-
- tests['csstransforms'] = function() {
- return !!testProps(['transformProperty', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform']);
- };
-
-
- tests['csstransforms3d'] = function() {
-
- var ret = !!testProps(['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']);
-
- // 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),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){ ... }`
- ret = Modernizr['csstransforms3d'];
- }
- return ret;
- };
-
-
- tests['csstransitions'] = function() {
- return testPropsAll('transitionProperty');
- };
-
-
- /*>>fontface*/
- // @font-face detection routine by Diego Perini
- // http://javascript.nwbox.com/CSSSupport/
- tests['fontface'] = function() {
- return Modernizr['fontface'];
- };
- /*>>fontface*/
-
- // CSS generated content detection
- tests['generatedcontent'] = function() {
- return Modernizr['generatedcontent'];
- };
-
-
-
- // 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 : http://github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
- // thx to NielsLeenheer and zcorpan
-
- // Note: in FF 3.5.1 and 3.5.0, "no" was a return value instead of empty string.
- // Modernizr does not normalize for that.
-
- 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"');
-
- // Workaround required for IE9, which doesn't report video support without audio codec specified.
- // bug 599718 @ msft connect
- var h264 = 'video/mp4; codecs="avc1.42E01E';
- bool.h264 = elem.canPlayType(h264 + '"') || elem.canPlayType(h264 + ', mp4a.40.2"');
-
- bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"');
- }
-
- } 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"');
- bool.mp3 = elem.canPlayType('audio/mpeg;');
-
- // Mimetypes accepted:
- // https://developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
- // http://bit.ly/iphoneoscodecs
- bool.wav = elem.canPlayType('audio/wav; codecs="1"');
- bool.m4a = elem.canPlayType('audio/x-m4a;') || elem.canPlayType('audio/aac;');
- }
- } catch(e) { }
-
- return bool;
- };
-
-
- // Firefox has made these tests rather unfun.
-
- // 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 http://bugzil.la/365772 if cookies are disabled
-
- // However, in Firefox 4 betas, if dom.storage.enabled == false, just mentioning
- // the property will throw an exception. http://bugzil.la/599479
- // This looks to be fixed for FF4 Final.
-
- // Because we are forced to try/catch this, we'll go aggressive.
-
- // FWIW: IE8 Compat mode supports these features completely:
- // http://www.quirksmode.org/dom/html5.html
- // But IE8 doesn't support either with local files
-
- tests['localstorage'] = function() {
- try {
- return !!localStorage.getItem;
- } catch(e) {
- return false;
- }
- };
-
- tests['sessionstorage'] = function() {
- try {
- return !!sessionStorage.getItem;
- } 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;
- };
-
- // Thanks to F1lt3r and lucideer, ticket #35
- tests['smil'] = function() {
- return !!document.createElementNS && /SVG/.test(toString.call(document.createElementNS(ns.svg, 'animate')));
- };
-
- tests['svgclippaths'] = function() {
- // Possibly returns a false positive in Safari 3.2?
- return !!document.createElementNS && /SVG/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
- };
-
- // 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() {
- // 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:
- // http://miketaylr.com/code/input-type-attr.html
- // spec: http://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);
- }
- return attrs;
- })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
-
- // 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. http://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)$/.test(inputElemType) ){
- // Spec doesnt define any special parsing or detectable UI
- // behaviors so we pass these through as true
-
- // Interestingly, opera fails the earlier test, so it doesn't
- // even make it here.
-
- } else if ( /^(url|email)$/.test(inputElemType) ) {
- // Real url and email support comes with prebaked validation.
- bool = inputElem.checkValidity && inputElem.checkValidity() === false;
-
- } else if ( /^color$/.test(inputElemType) ) {
- // chuck into DOM and force reflow for Opera bug in 11.00
- // github.com/Modernizr/Modernizr/issues#issue/159
- docElement.appendChild(inputElem);
- docElement.offsetWidth;
- bool = inputElem.value != smile;
- docElement.removeChild(inputElem);
-
- } 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(' '));
- }
-
-
- // 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 ( hasOwnProperty(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);
- }
- }
-
- // input tests need to run.
- Modernizr.input || 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 ( hasOwnProperty( 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;
- }
-
- test = typeof test == "boolean" ? test : !!test();
-
- 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;
-
- //>>BEGIN IEPP
- // Enable HTML 5 elements for styling (and printing) in IE.
- if ( window.attachEvent && (function(){ var elem = document.createElement('div');
- elem.innerHTML = '<elem></elem>';
- return elem.childNodes.length !== 1; })() ) {
-
- // iepp v2 by @jon_neal & afarkas : github.com/aFarkas/iepp/
- (function(win, doc) {
- win.iepp = win.iepp || {};
- var iepp = win.iepp,
- elems = iepp.html5elements || 'abbr|article|aside|audio|canvas|datalist|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video',
- elemsArr = elems.split('|'),
- elemsArrLen = elemsArr.length,
- elemRegExp = new RegExp('(^|\\s)('+elems+')', 'gi'),
- tagRegExp = new RegExp('<(\/*)('+elems+')', 'gi'),
- filterReg = /^\s*[\{\}]\s*$/,
- ruleRegExp = new RegExp('(^|[^\\n]*?\\s)('+elems+')([^\\n]*)({[\\n\\w\\W]*?})', 'gi'),
- docFrag = doc.createDocumentFragment(),
- html = doc.documentElement,
- head = html.firstChild,
- bodyElem = doc.createElement('body'),
- styleElem = doc.createElement('style'),
- printMedias = /print|all/,
- body;
- function shim(doc) {
- var a = -1;
- while (++a < elemsArrLen)
- // Use createElement so IE allows HTML5-named elements in a document
- doc.createElement(elemsArr[a]);
- }
-
- iepp.getCSS = function(styleSheetList, mediaType) {
- if(styleSheetList+'' === undefined){return '';}
- var a = -1,
- len = styleSheetList.length,
- styleSheet,
- cssTextArr = [];
- while (++a < len) {
- styleSheet = styleSheetList[a];
- //currently no test for disabled/alternate stylesheets
- if(styleSheet.disabled){continue;}
- mediaType = styleSheet.media || mediaType;
- // Get css from all non-screen stylesheets and their imports
- if (printMedias.test(mediaType)) cssTextArr.push(iepp.getCSS(styleSheet.imports, mediaType), styleSheet.cssText);
- //reset mediaType to all with every new *not imported* stylesheet
- mediaType = 'all';
- }
- return cssTextArr.join('');
- };
-
- iepp.parseCSS = function(cssText) {
- var cssTextArr = [],
- rule;
- while ((rule = ruleRegExp.exec(cssText)) != null){
- // Replace all html5 element references with iepp substitute classnames
- cssTextArr.push(( (filterReg.exec(rule[1]) ? '\n' : rule[1]) +rule[2]+rule[3]).replace(elemRegExp, '$1.iepp_$2')+rule[4]);
- }
- return cssTextArr.join('\n');
- };
-
- iepp.writeHTML = function() {
- var a = -1;
- body = body || doc.body;
- while (++a < elemsArrLen) {
- var nodeList = doc.getElementsByTagName(elemsArr[a]),
- nodeListLen = nodeList.length,
- b = -1;
- while (++b < nodeListLen)
- if (nodeList[b].className.indexOf('iepp_') < 0)
- // Append iepp substitute classnames to all html5 elements
- nodeList[b].className += ' iepp_'+elemsArr[a];
- }
- docFrag.appendChild(body);
- html.appendChild(bodyElem);
- // Write iepp substitute print-safe document
- bodyElem.className = body.className;
- bodyElem.id = body.id;
- // Replace HTML5 elements with <font> which is print-safe and shouldn't conflict since it isn't part of html5
- bodyElem.innerHTML = body.innerHTML.replace(tagRegExp, '<$1font');
- };
-
-
- iepp._beforePrint = function() {
- // Write iepp custom print CSS
- styleElem.styleSheet.cssText = iepp.parseCSS(iepp.getCSS(doc.styleSheets, 'all'));
- iepp.writeHTML();
- };
-
- iepp.restoreHTML = function(){
- // Undo everything done in onbeforeprint
- bodyElem.innerHTML = '';
- html.removeChild(bodyElem);
- html.appendChild(body);
- };
-
- iepp._afterPrint = function(){
- // Undo everything done in onbeforeprint
- iepp.restoreHTML();
- styleElem.styleSheet.cssText = '';
- };
-
-
-
- // Shim the document and iepp fragment
- shim(doc);
- shim(docFrag);
-
- //
- if(iepp.disablePP){return;}
-
- // Add iepp custom print style element
- head.insertBefore(styleElem, head.firstChild);
- styleElem.media = 'print';
- styleElem.className = 'iepp-printshim';
- win.attachEvent(
- 'onbeforeprint',
- iepp._beforePrint
- );
- win.attachEvent(
- 'onafterprint',
- iepp._afterPrint
- );
- })(window, document);
- }
- //>>END IEPP
-
- // 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
- Modernizr._prefixes = prefixes;
- Modernizr._domPrefixes = domPrefixes;
-
- // 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;
-
- // Modernizr.hasEvent() detects support for a given event, with an optional element to test on
- // Modernizr.hasEvent('gesturestart', elem)
- Modernizr.hasEvent = isEventSupported;
-
- // 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]);
- };
-
- // 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;
-
-
-
- // 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;
-
-
- // 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', // maybe?
- // 'transition' : 'transitionEnd'
- // },
- // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];
-
- Modernizr.prefixed = function(prop){
- return testPropsAll(prop, 'pfx');
- };
-
-
-
- // Remove "no-js" class from <html> element, if it exists:
- docElement.className = docElement.className.replace(/\bno-js\b/, '')
-
- // Add the new classes to the <html> element.
- + (enableClasses ? ' js ' + classes.join(' ') : '');
-
- return Modernizr;
-
-})(this, this.document);
fnp / wolnelektury.git / commitdiff
