app/assets/javascripts/lib/modernizr.js
/* Modernizr 2.8.3 (Custom Build) | MIT & BSD
* Build: http://modernizr.com/download/#-draganddrop-audio-touch-shiv-prefixed-teststyles-testprop-testallprops-hasevent-prefixes-domprefixes-notification
*/
;
window.Modernizr = (function( window, document, undefined ) {
var version = '2.8.3',
Modernizr = {},
docElement = document.documentElement,
mod = 'modernizr',
modElem = document.createElement(mod),
mStyle = modElem.style,
inputElem ,
toString = {}.toString,
prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
omPrefixes = 'Webkit Moz O ms',
cssomPrefixes = omPrefixes.split(' '),
domPrefixes = omPrefixes.toLowerCase().split(' '),
tests = {},
inputs = {},
attrs = {},
classes = [],
slice = classes.slice,
featureName,
injectElementWithStyles = function( rule, callback, nodes, testnames ) {
var style, ret, node, docOverflow,
div = document.createElement('div'),
body = document.body,
fakeBody = body || document.createElement('body');
if ( parseInt(nodes, 10) ) {
while ( nodes-- ) {
node = document.createElement('div');
node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
div.appendChild(node);
}
}
style = ['­','<style id="s', mod, '">', rule, '</style>'].join('');
div.id = mod;
(body ? div : fakeBody).innerHTML += style;
fakeBody.appendChild(div);
if ( !body ) {
fakeBody.style.background = '';
fakeBody.style.overflow = 'hidden';
docOverflow = docElement.style.overflow;
docElement.style.overflow = 'hidden';
docElement.appendChild(fakeBody);
}
ret = callback(div, rule);
if ( !body ) {
fakeBody.parentNode.removeChild(fakeBody);
docElement.style.overflow = docOverflow;
} else {
div.parentNode.removeChild(div);
}
return !!ret;
},
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;
var isSupported = eventName in element;
if ( !isSupported ) {
if ( !element.setAttribute ) {
element = document.createElement('div');
}
if ( element.setAttribute && element.removeAttribute ) {
element.setAttribute(eventName, '');
isSupported = is(element[eventName], 'function');
if ( !is(element[eventName], 'undefined') ) {
element[eventName] = undefined;
}
element.removeAttribute(eventName);
}
}
element = null;
return isSupported;
}
return isEventSupported;
})(),
_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) {
return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
};
}
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;
};
}
function setCss( str ) {
mStyle.cssText = str;
}
function setCssAll( str1, str2 ) {
return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
}
function is( obj, type ) {
return typeof obj === type;
}
function contains( str, substr ) {
return !!~('' + str).indexOf(substr);
}
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;
}
function testDOMProps( props, obj, elem ) {
for ( var i in props ) {
var item = obj[props[i]];
if ( item !== undefined) {
if (elem === false) return props[i];
if (is(item, 'function')){
return item.bind(elem || obj);
}
return item;
}
}
return false;
}
function testPropsAll( prop, prefixed, elem ) {
var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');
if(is(prefixed, "string") || is(prefixed, "undefined")) {
return testProps(props, prefixed);
} else {
props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
return testDOMProps(props, prefixed, elem);
}
} 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;
};
tests['draganddrop'] = function() {
var div = document.createElement('div');
return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
};
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$/,'');
bool.mp3 = elem.canPlayType('audio/mpeg;') .replace(/^no$/,'');
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;
}; for ( var feature in tests ) {
if ( hasOwnProp(tests, feature) ) {
featureName = feature.toLowerCase();
Modernizr[featureName] = tests[feature]();
classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
}
}
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 ) {
return Modernizr;
}
test = typeof test == 'function' ? test() : test;
if (typeof enableClasses !== "undefined" && enableClasses) {
docElement.className += ' ' + (test ? '' : 'no-') + feature;
}
Modernizr[feature] = test;
}
return Modernizr;
};
setCss('');
modElem = inputElem = null;
;(function(window, document) {
var version = '3.7.0';
var options = window.html5 || {};
var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
var supportsHtml5Styles;
var expando = '_html5shiv';
var expanID = 0;
var expandoData = {};
var supportsUnknownElements;
(function() {
try {
var a = document.createElement('a');
a.innerHTML = '<xyz></xyz>';
supportsHtml5Styles = ('hidden' in a);
supportsUnknownElements = a.childNodes.length == 1 || (function() {
(document.createElement)('a');
var frag = document.createDocumentFragment();
return (
typeof frag.cloneNode == 'undefined' ||
typeof frag.createDocumentFragment == 'undefined' ||
typeof frag.createElement == 'undefined'
);
}());
} catch(e) {
supportsHtml5Styles = true;
supportsUnknownElements = true;
}
}());
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);
}
function getElements() {
var elements = html5.elements;
return typeof elements == 'string' ? elements.split(' ') : elements;
}
function getExpandoData(ownerDocument) {
var data = expandoData[ownerDocument[expando]];
if (!data) {
data = {};
expanID++;
ownerDocument[expando] = expanID;
expandoData[expanID] = data;
}
return data;
}
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);
}
return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
}
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;
}
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) {
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&&(' +
getElements().join().replace(/[\w\-]+/g, function(nodeName) {
data.createElem(nodeName);
data.frag.createElement(nodeName);
return 'c("' + nodeName + '")';
}) +
');return n}'
)(html5, data.frag);
}
function shivDocument(ownerDocument) {
if (!ownerDocument) {
ownerDocument = document;
}
var data = getExpandoData(ownerDocument);
if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
data.hasCSS = !!addStyleSheet(ownerDocument,
'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
'mark{background:#FF0;color:#000}' +
'template{display:none}'
);
}
if (!supportsUnknownElements) {
shivMethods(ownerDocument, data);
}
return ownerDocument;
}
var html5 = {
'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',
'version': version,
'shivCSS': (options.shivCSS !== false),
'supportsUnknownElements': supportsUnknownElements,
'shivMethods': (options.shivMethods !== false),
'type': 'default',
'shivDocument': shivDocument,
createElement: createElement,
createDocumentFragment: createDocumentFragment
};
window.html5 = html5;
shivDocument(document);
}(this, document));
Modernizr._version = version;
Modernizr._prefixes = prefixes;
Modernizr._domPrefixes = domPrefixes;
Modernizr._cssomPrefixes = cssomPrefixes;
Modernizr.hasEvent = isEventSupported;
Modernizr.testProp = function(prop){
return testProps([prop]);
};
Modernizr.testAllProps = testPropsAll;
Modernizr.testStyles = injectElementWithStyles;
Modernizr.prefixed = function(prop, obj, elem){
if(!obj) {
return testPropsAll(prop, 'pfx');
} else {
return testPropsAll(prop, obj, elem);
}
};
return Modernizr;
})(this, this.document);
// Notifications
// By Theodoor van Donge
// window.webkitNotifications is only used by Chrome
// http://www.html5rocks.com/en/tutorials/notifications/quick/
// window.Notification only exist in the draft specs
// http://dev.w3.org/2006/webapi/WebNotifications/publish/Notifications.html#idl-if-Notification
Modernizr.addTest('notification', 'Notification' in window && 'permission' in window.Notification && 'requestPermission' in window.Notification);
;