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intro-to-vim/bower_components/headjs/dist/1.0.0/head.css3.js

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JavaScript

///#source 1 1 /src/1.0.0/core.js
/*! head.core - v1.0.2 */
/*
* HeadJS The only script in your <HEAD>
* Author Tero Piirainen (tipiirai)
* Maintainer Robert Hoffmann (itechnology)
* License MIT / http://bit.ly/mit-license
* WebSite http://headjs.com
*/
(function(win, undefined) {
"use strict";
// gt, gte, lt, lte, eq breakpoints would have been more simple to write as ['gt','gte','lt','lte','eq']
// but then we would have had to loop over the collection on each resize() event,
// a simple object with a direct access to true/false is therefore much more efficient
var doc = win.document,
nav = win.navigator,
loc = win.location,
html = doc.documentElement,
klass = [],
conf = {
screens : [240, 320, 480, 640, 768, 800, 1024, 1280, 1440, 1680, 1920],
screensCss: { "gt": true, "gte": false, "lt": true, "lte": false, "eq": false },
browsers : [
{ ie: { min: 6, max: 11 } }
//,{ chrome : { min: 8, max: 33 } }
//,{ ff : { min: 3, max: 26 } }
//,{ ios : { min: 3, max: 7 } }
//,{ android: { min: 2, max: 4 } }
//,{ webkit : { min: 9, max: 12 } }
//,{ opera : { min: 9, max: 12 } }
],
browserCss: { "gt": true, "gte": false, "lt": true, "lte": false, "eq": true },
html5 : true,
page : "-page",
section : "-section",
head : "head"
};
if (win.head_conf) {
for (var item in win.head_conf) {
if (win.head_conf[item] !== undefined) {
conf[item] = win.head_conf[item];
}
}
}
function pushClass(name) {
klass[klass.length] = name;
}
function removeClass(name) {
// need to test for both space and no space
// https://github.com/headjs/headjs/issues/270
// https://github.com/headjs/headjs/issues/226
var re = new RegExp(" ?\\b" + name + "\\b");
html.className = html.className.replace(re, "");
}
function each(arr, fn) {
for (var i = 0, l = arr.length; i < l; i++) {
fn.call(arr, arr[i], i);
}
}
// API
var api = win[conf.head] = function() {
api.ready.apply(null, arguments);
};
api.feature = function(key, enabled, queue) {
// internal: apply all classes
if (!key) {
html.className += " " + klass.join(" ");
klass = [];
return api;
}
if (Object.prototype.toString.call(enabled) === "[object Function]") {
enabled = enabled.call();
}
pushClass((enabled ? "" : "no-") + key);
api[key] = !!enabled;
// apply class to HTML element
if (!queue) {
removeClass("no-" + key);
removeClass(key);
api.feature();
}
return api;
};
// no queue here, so we can remove any eventual pre-existing no-js class
api.feature("js", true);
// browser type & version
var ua = nav.userAgent.toLowerCase(),
mobile = /mobile|android|kindle|silk|midp|phone|(windows .+arm|touch)/.test(ua);
// useful for enabling/disabling feature (we can consider a desktop navigator to have more cpu/gpu power)
api.feature("mobile" , mobile , true);
api.feature("desktop", !mobile, true);
// http://www.zytrax.com/tech/web/browser_ids.htm
// http://www.zytrax.com/tech/web/mobile_ids.html
ua = /(chrome|firefox)[ \/]([\w.]+)/.exec(ua) || // Chrome & Firefox
/(iphone|ipad|ipod)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Mobile IOS
/(android)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Mobile Webkit
/(webkit|opera)(?:.*version)?[ \/]([\w.]+)/.exec(ua) || // Safari & Opera
/(msie) ([\w.]+)/.exec(ua) ||
/(trident).+rv:(\w.)+/.exec(ua) || [];
var browser = ua[1],
version = parseFloat(ua[2]);
switch (browser) {
case "msie":
case "trident":
browser = "ie";
version = doc.documentMode || version;
break;
case "firefox":
browser = "ff";
break;
case "ipod":
case "ipad":
case "iphone":
browser = "ios";
break;
case "webkit":
browser = "safari";
break;
}
// Browser vendor and version
api.browser = {
name: browser,
version: version
};
api.browser[browser] = true;
for (var i = 0, l = conf.browsers.length; i < l; i++) {
for (var key in conf.browsers[i]) {
if (browser === key) {
pushClass(key);
var min = conf.browsers[i][key].min;
var max = conf.browsers[i][key].max;
for (var v = min; v <= max; v++) {
if (version > v) {
if (conf.browserCss.gt) {
pushClass("gt-" + key + v);
}
if (conf.browserCss.gte) {
pushClass("gte-" + key + v);
}
} else if (version < v) {
if (conf.browserCss.lt) {
pushClass("lt-" + key + v);
}
if (conf.browserCss.lte) {
pushClass("lte-" + key + v);
}
} else if (version === v) {
if (conf.browserCss.lte) {
pushClass("lte-" + key + v);
}
if (conf.browserCss.eq) {
pushClass("eq-" + key + v);
}
if (conf.browserCss.gte) {
pushClass("gte-" + key + v);
}
}
}
} else {
pushClass("no-" + key);
}
}
}
pushClass(browser);
pushClass(browser + parseInt(version, 10));
// IE lt9 specific
if (conf.html5 && browser === "ie" && version < 9) {
// HTML5 support : you still need to add html5 css initialization styles to your site
// See: assets/html5.css
each("abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|main|mark|meter|nav|output|progress|section|summary|time|video".split("|"), function(el) {
doc.createElement(el);
});
}
// CSS "router"
each(loc.pathname.split("/"), function(el, i) {
if (this.length > 2 && this[i + 1] !== undefined) {
if (i) {
pushClass(this.slice(i, i + 1).join("-").toLowerCase() + conf.section);
}
} else {
// pageId
var id = el || "index", index = id.indexOf(".");
if (index > 0) {
id = id.substring(0, index);
}
html.id = id.toLowerCase() + conf.page;
// on root?
if (!i) {
pushClass("root" + conf.section);
}
}
});
// basic screen info
api.screen = {
height: win.screen.height,
width : win.screen.width
};
// viewport resolutions: w-100, lt-480, lt-1024 ...
function screenSize() {
// remove earlier sizes
html.className = html.className.replace(/ (w-|eq-|gt-|gte-|lt-|lte-|portrait|no-portrait|landscape|no-landscape)\d+/g, "");
// Viewport width
var iw = win.innerWidth || html.clientWidth,
ow = win.outerWidth || win.screen.width;
api.screen.innerWidth = iw;
api.screen.outerWidth = ow;
// for debugging purposes, not really useful for anything else
pushClass("w-" + iw);
each(conf.screens, function(width) {
if (iw > width) {
if (conf.screensCss.gt) {
pushClass("gt-" + width);
}
if (conf.screensCss.gte) {
pushClass("gte-" + width);
}
} else if (iw < width) {
if (conf.screensCss.lt) {
pushClass("lt-" + width);
}
if (conf.screensCss.lte) {
pushClass("lte-" + width);
}
} else if (iw === width) {
if (conf.screensCss.lte) {
pushClass("lte-" + width);
}
if (conf.screensCss.eq) {
pushClass("e-q" + width);
}
if (conf.screensCss.gte) {
pushClass("gte-" + width);
}
}
});
// Viewport height
var ih = win.innerHeight || html.clientHeight,
oh = win.outerHeight || win.screen.height;
api.screen.innerHeight = ih;
api.screen.outerHeight = oh;
// no need for onChange event to detect this
api.feature("portrait" , (ih > iw));
api.feature("landscape", (ih < iw));
}
screenSize();
// Throttle navigators from triggering too many resize events
var resizeId = 0;
function onResize() {
win.clearTimeout(resizeId);
resizeId = win.setTimeout(screenSize, 50);
}
// Manually attach, as to not overwrite existing handler
if (win.addEventListener) {
win.addEventListener("resize", onResize, false);
} else {
// IE8 and less
win.attachEvent("onresize", onResize);
}
}(window));
///#source 1 1 /src/1.0.0/css3.js
/*! head.css3 - v1.0.0 */
/*
* HeadJS The only script in your <HEAD>
* Author Tero Piirainen (tipiirai)
* Maintainer Robert Hoffmann (itechnology)
* License MIT / http://bit.ly/mit-license
* WebSite http://headjs.com
*/
(function (win, undefined) {
"use strict";
var doc = win.document,
/*
To add a new test:
head.feature("video", function() {
var tag = document.createElement('video');
return !!tag.canPlayType;
});
Good place to grab more tests
https://github.com/Modernizr/Modernizr/blob/master/modernizr.js
*/
/* CSS modernizer */
el = doc.createElement("i"),
style = el.style,
prefs = " -o- -moz- -ms- -webkit- -khtml- ".split(" "),
domPrefs = "Webkit Moz O ms Khtml".split(" "),
headVar = win.head_conf && win.head_conf.head || "head",
api = win[headVar];
// Thanks Paul Irish!
function testProps(props) {
for (var i in props) {
if (style[props[i]] !== undefined) {
return true;
}
}
return false;
}
function testAll(prop) {
var camel = prop.charAt(0).toUpperCase() + prop.substr(1),
props = (prop + " " + domPrefs.join(camel + " ") + camel).split(" ");
return !!testProps(props);
}
var tests = {
// should we seperate linear/radial ?
// seems like some browsers need a test for prefix http://caniuse.com/#feat=css-gradients
gradient: function () {
var s1 = "background-image:",
s2 = "gradient(linear,left top,right bottom,from(#9f9),to(#fff));",
s3 = "linear-gradient(left top,#eee,#fff);";
style.cssText = (s1 + prefs.join(s2 + s1) + prefs.join(s3 + s1)).slice(0, -s1.length);
return !!style.backgroundImage;
},
rgba: function () {
style.cssText = "background-color:rgba(0,0,0,0.5)";
return !!style.backgroundColor;
},
opacity: function () {
return el.style.opacity === "";
},
textshadow: function () {
return style.textShadow === "";
},
multiplebgs: function () {
style.cssText = "background:url(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
var result = (style.background || "").match(/url/g);
return Object.prototype.toString.call(result) === "[object Array]" && result.length === 3;
},
boxshadow: function () {
return testAll("boxShadow");
},
borderimage: function () {
return testAll("borderImage");
},
borderradius: function () {
return testAll("borderRadius");
},
cssreflections: function () {
return testAll("boxReflect");
},
csstransforms: function () {
return testAll("transform");
},
csstransitions: function () {
return testAll("transition");
},
touch: function () {
return "ontouchstart" in win;
},
retina: function () {
return (win.devicePixelRatio > 1);
},
/*
font-face support. Uses browser sniffing but is synchronous.
http://paulirish.com/2009/font-face-feature-detection/
*/
fontface: function () {
var browser = api.browser.name, version = api.browser.version;
switch (browser) {
case "ie":
return version >= 9;
case "chrome":
return version >= 13;
case "ff":
return version >= 6;
case "ios":
return version >= 5;
case "android":
return false;
case "webkit":
return version >= 5.1;
case "opera":
return version >= 10;
default:
return false;
}
}
};
// queue features
for (var key in tests) {
if (tests[key]) {
api.feature(key, tests[key].call(), true);
}
}
// enable features at once
api.feature();
}(window));