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authorFranck Cuny <franck@lumberjaph.net>2013-07-25 18:19:52 -0700
committerFranck Cuny <franck@lumberjaph.net>2013-07-25 18:19:52 -0700
commitb42718f7d9aac88a3048c616193f81deff49e401 (patch)
treef964fbae3d81cb6af155d612985f4b344267f4b5 /assets/js/vendor/respond.js
parentattempt for a new design (diff)
downloadlumberjaph-b42718f7d9aac88a3048c616193f81deff49e401.tar.gz
First attempt with the new theme.
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+/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */
+/*! NOTE: If you're already including a window.matchMedia polyfill via Modernizr or otherwise, you don't need this part */
+
+window.matchMedia = window.matchMedia || (function( doc, undefined ) {
+
+ "use strict";
+
+ var bool,
+ docElem = doc.documentElement,
+ refNode = docElem.firstElementChild || docElem.firstChild,
+ // fakeBody required for <FF4 when executed in <head>
+ fakeBody = doc.createElement( "body" ),
+ div = doc.createElement( "div" );
+
+ div.id = "mq-test-1";
+ div.style.cssText = "position:absolute;top:-100em";
+ fakeBody.style.background = "none";
+ fakeBody.appendChild(div);
+
+ return function(q){
+
+ div.innerHTML = "&shy;<style media=\"" + q + "\"> #mq-test-1 { width: 42px; }</style>";
+
+ docElem.insertBefore( fakeBody, refNode );
+ bool = div.offsetWidth === 42;
+ docElem.removeChild( fakeBody );
+
+ return {
+ matches: bool,
+ media: q
+ };
+
+ };
+
+}( document ));
+
+
+
+
+
+/*! Respond.js v1.1.0: min/max-width media query polyfill. (c) Scott Jehl. MIT/GPLv2 Lic. j.mp/respondjs */
+(function( win ){
+
+ "use strict";
+
+ //exposed namespace
+ var respond = {};
+ win.respond = respond;
+
+ //define update even in native-mq-supporting browsers, to avoid errors
+ respond.update = function(){};
+
+ //expose media query support flag for external use
+ respond.mediaQueriesSupported = win.matchMedia && win.matchMedia( "only all" ).matches;
+
+ //if media queries are supported, exit here
+ if( respond.mediaQueriesSupported ){
+ return;
+ }
+
+ //define vars
+ var doc = win.document,
+ docElem = doc.documentElement,
+ mediastyles = [],
+ rules = [],
+ appendedEls = [],
+ parsedSheets = {},
+ resizeThrottle = 30,
+ head = doc.getElementsByTagName( "head" )[0] || docElem,
+ base = doc.getElementsByTagName( "base" )[0],
+ links = head.getElementsByTagName( "link" ),
+ requestQueue = [],
+
+ //loop stylesheets, send text content to translate
+ ripCSS = function(){
+
+ for( var i = 0; i < links.length; i++ ){
+ var sheet = links[ i ],
+ href = sheet.href,
+ media = sheet.media,
+ isCSS = sheet.rel && sheet.rel.toLowerCase() === "stylesheet";
+
+ //only links plz and prevent re-parsing
+ if( !!href && isCSS && !parsedSheets[ href ] ){
+ // selectivizr exposes css through the rawCssText expando
+ if (sheet.styleSheet && sheet.styleSheet.rawCssText) {
+ translate( sheet.styleSheet.rawCssText, href, media );
+ parsedSheets[ href ] = true;
+ } else {
+ if( (!/^([a-zA-Z:]*\/\/)/.test( href ) && !base) ||
+ href.replace( RegExp.$1, "" ).split( "/" )[0] === win.location.host ){
+ requestQueue.push( {
+ href: href,
+ media: media
+ } );
+ }
+ }
+ }
+ }
+ makeRequests();
+ },
+
+ //recurse through request queue, get css text
+ makeRequests = function(){
+ if( requestQueue.length ){
+ var thisRequest = requestQueue.shift();
+
+ ajax( thisRequest.href, function( styles ){
+ translate( styles, thisRequest.href, thisRequest.media );
+ parsedSheets[ thisRequest.href ] = true;
+
+ // by wrapping recursive function call in setTimeout
+ // we prevent "Stack overflow" error in IE7
+ win.setTimeout(function(){ makeRequests(); },0);
+ } );
+ }
+ },
+
+ //find media blocks in css text, convert to style blocks
+ translate = function( styles, href, media ){
+ var qs = styles.match( /@media[^\{]+\{([^\{\}]*\{[^\}\{]*\})+/gi ),
+ ql = qs && qs.length || 0;
+
+ //try to get CSS path
+ href = href.substring( 0, href.lastIndexOf( "/" ) );
+
+ var repUrls = function( css ){
+ return css.replace( /(url\()['"]?([^\/\)'"][^:\)'"]+)['"]?(\))/g, "$1" + href + "$2$3" );
+ },
+ useMedia = !ql && media;
+
+ //if path exists, tack on trailing slash
+ if( href.length ){ href += "/"; }
+
+ //if no internal queries exist, but media attr does, use that
+ //note: this currently lacks support for situations where a media attr is specified on a link AND
+ //its associated stylesheet has internal CSS media queries.
+ //In those cases, the media attribute will currently be ignored.
+ if( useMedia ){
+ ql = 1;
+ }
+
+ for( var i = 0; i < ql; i++ ){
+ var fullq, thisq, eachq, eql;
+
+ //media attr
+ if( useMedia ){
+ fullq = media;
+ rules.push( repUrls( styles ) );
+ }
+ //parse for styles
+ else{
+ fullq = qs[ i ].match( /@media *([^\{]+)\{([\S\s]+?)$/ ) && RegExp.$1;
+ rules.push( RegExp.$2 && repUrls( RegExp.$2 ) );
+ }
+
+ eachq = fullq.split( "," );
+ eql = eachq.length;
+
+ for( var j = 0; j < eql; j++ ){
+ thisq = eachq[ j ];
+ mediastyles.push( {
+ media : thisq.split( "(" )[ 0 ].match( /(only\s+)?([a-zA-Z]+)\s?/ ) && RegExp.$2 || "all",
+ rules : rules.length - 1,
+ hasquery : thisq.indexOf("(") > -1,
+ minw : thisq.match( /\(\s*min\-width\s*:\s*(\s*[0-9\.]+)(px|em)\s*\)/ ) && parseFloat( RegExp.$1 ) + ( RegExp.$2 || "" ),
+ maxw : thisq.match( /\(\s*max\-width\s*:\s*(\s*[0-9\.]+)(px|em)\s*\)/ ) && parseFloat( RegExp.$1 ) + ( RegExp.$2 || "" )
+ } );
+ }
+ }
+
+ applyMedia();
+ },
+
+ lastCall,
+
+ resizeDefer,
+
+ // returns the value of 1em in pixels
+ getEmValue = function() {
+ var ret,
+ div = doc.createElement('div'),
+ body = doc.body,
+ fakeUsed = false;
+
+ div.style.cssText = "position:absolute;font-size:1em;width:1em";
+
+ if( !body ){
+ body = fakeUsed = doc.createElement( "body" );
+ body.style.background = "none";
+ }
+
+ body.appendChild( div );
+
+ docElem.insertBefore( body, docElem.firstChild );
+
+ ret = div.offsetWidth;
+
+ if( fakeUsed ){
+ docElem.removeChild( body );
+ }
+ else {
+ body.removeChild( div );
+ }
+
+ //also update eminpx before returning
+ ret = eminpx = parseFloat(ret);
+
+ return ret;
+ },
+
+ //cached container for 1em value, populated the first time it's needed
+ eminpx,
+
+ //enable/disable styles
+ applyMedia = function( fromResize ){
+ var name = "clientWidth",
+ docElemProp = docElem[ name ],
+ currWidth = doc.compatMode === "CSS1Compat" && docElemProp || doc.body[ name ] || docElemProp,
+ styleBlocks = {},
+ lastLink = links[ links.length-1 ],
+ now = (new Date()).getTime();
+
+ //throttle resize calls
+ if( fromResize && lastCall && now - lastCall < resizeThrottle ){
+ win.clearTimeout( resizeDefer );
+ resizeDefer = win.setTimeout( applyMedia, resizeThrottle );
+ return;
+ }
+ else {
+ lastCall = now;
+ }
+
+ for( var i in mediastyles ){
+ if( mediastyles.hasOwnProperty( i ) ){
+ var thisstyle = mediastyles[ i ],
+ min = thisstyle.minw,
+ max = thisstyle.maxw,
+ minnull = min === null,
+ maxnull = max === null,
+ em = "em";
+
+ if( !!min ){
+ min = parseFloat( min ) * ( min.indexOf( em ) > -1 ? ( eminpx || getEmValue() ) : 1 );
+ }
+ if( !!max ){
+ max = parseFloat( max ) * ( max.indexOf( em ) > -1 ? ( eminpx || getEmValue() ) : 1 );
+ }
+
+ // if there's no media query at all (the () part), or min or max is not null, and if either is present, they're true
+ if( !thisstyle.hasquery || ( !minnull || !maxnull ) && ( minnull || currWidth >= min ) && ( maxnull || currWidth <= max ) ){
+ if( !styleBlocks[ thisstyle.media ] ){
+ styleBlocks[ thisstyle.media ] = [];
+ }
+ styleBlocks[ thisstyle.media ].push( rules[ thisstyle.rules ] );
+ }
+ }
+ }
+
+ //remove any existing respond style element(s)
+ for( var j in appendedEls ){
+ if( appendedEls.hasOwnProperty( j ) ){
+ if( appendedEls[ j ] && appendedEls[ j ].parentNode === head ){
+ head.removeChild( appendedEls[ j ] );
+ }
+ }
+ }
+
+ //inject active styles, grouped by media type
+ for( var k in styleBlocks ){
+ if( styleBlocks.hasOwnProperty( k ) ){
+ var ss = doc.createElement( "style" ),
+ css = styleBlocks[ k ].join( "\n" );
+
+ ss.type = "text/css";
+ ss.media = k;
+
+ //originally, ss was appended to a documentFragment and sheets were appended in bulk.
+ //this caused crashes in IE in a number of circumstances, such as when the HTML element had a bg image set, so appending beforehand seems best. Thanks to @dvelyk for the initial research on this one!
+ head.insertBefore( ss, lastLink.nextSibling );
+
+ if ( ss.styleSheet ){
+ ss.styleSheet.cssText = css;
+ }
+ else {
+ ss.appendChild( doc.createTextNode( css ) );
+ }
+
+ //push to appendedEls to track for later removal
+ appendedEls.push( ss );
+ }
+ }
+ },
+ //tweaked Ajax functions from Quirksmode
+ ajax = function( url, callback ) {
+ var req = xmlHttp();
+ if (!req){
+ return;
+ }
+ req.open( "GET", url, true );
+ req.onreadystatechange = function () {
+ if ( req.readyState !== 4 || req.status !== 200 && req.status !== 304 ){
+ return;
+ }
+ callback( req.responseText );
+ };
+ if ( req.readyState === 4 ){
+ return;
+ }
+ req.send( null );
+ },
+ //define ajax obj
+ xmlHttp = (function() {
+ var xmlhttpmethod = false;
+ try {
+ xmlhttpmethod = new win.XMLHttpRequest();
+ }
+ catch( e ){
+ xmlhttpmethod = new win.ActiveXObject( "Microsoft.XMLHTTP" );
+ }
+ return function(){
+ return xmlhttpmethod;
+ };
+ })();
+
+ //translate CSS
+ ripCSS();
+
+ //expose update for re-running respond later on
+ respond.update = ripCSS;
+
+ //adjust on resize
+ function callMedia(){
+ applyMedia( true );
+ }
+ if( win.addEventListener ){
+ win.addEventListener( "resize", callMedia, false );
+ }
+ else if( win.attachEvent ){
+ win.attachEvent( "onresize", callMedia );
+ }
+})(this); \ No newline at end of file
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