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