mirror of
https://github.com/Hopiu/jquery-mobile.git
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77 lines
No EOL
2.5 KiB
JavaScript
77 lines
No EOL
2.5 KiB
JavaScript
/*
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* jQuery Mobile Framework : support tests
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* Copyright (c) jQuery Project
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* Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses.
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* Note: Code is in draft form and is subject to change
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*/
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(function($, undefined ) {
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var fakeBody = $( "<body>" ).prependTo( "html" ),
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fbCSS = fakeBody[0].style,
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vendors = ['webkit','moz','o'],
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webos = "palmGetResource" in window, //only used to rule out scrollTop
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bb = window.blackberry; //only used to rule out box shadow, as it's filled opaque on BB
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//thx Modernizr
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function propExists( prop ){
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var uc_prop = prop.charAt(0).toUpperCase() + prop.substr(1),
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props = (prop + ' ' + vendors.join(uc_prop + ' ') + uc_prop).split(' ');
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for(var v in props){
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if( fbCSS[ v ] !== undefined ){
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return true;
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}
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}
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};
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//test for dynamic-updating base tag support (allows us to avoid href,src attr rewriting)
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function baseTagTest(){
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var fauxBase = location.protocol + '//' + location.host + location.pathname + "ui-dir/",
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base = $("head base"),
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fauxEle = null,
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href = '';
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if (!base.length) {
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base = fauxEle = $("<base>", {"href": fauxBase}).appendTo("head");
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}
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else {
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href = base.attr("href");
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}
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var link = $( "<a href='testurl'></a>" ).prependTo( fakeBody ),
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rebase = link[0].href;
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base[0].href = href ? href : location.pathname;
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if (fauxEle) {
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fauxEle.remove();
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}
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return rebase.indexOf(fauxBase) === 0;
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};
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//non-UA-based IE version check by James Padolsey, modified by jdalton - from http://gist.github.com/527683
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//allows for inclusion of IE 6+, including Windows Mobile 7
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$.mobile.browser = {};
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$.mobile.browser.ie = (function() {
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var v = 3, div = document.createElement('div'), a = div.all || [];
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while (div.innerHTML = '<!--[if gt IE '+(++v)+']><br><![endif]-->', a[0]);
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return v > 4 ? v : !v;
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}());
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$.extend( $.support, {
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orientation: "orientation" in window,
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touch: "ontouchend" in document,
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cssTransitions: "WebKitTransitionEvent" in window,
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pushState: !!history.pushState,
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mediaquery: $.mobile.media('only all'),
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cssPseudoElement: !!propExists('content'),
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boxShadow: !!propExists('boxShadow') && !bb,
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scrollTop: ("pageXOffset" in window || "scrollTop" in document.documentElement || "scrollTop" in fakeBody[0]) && !webos,
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dynamicBaseTag: baseTagTest(),
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eventCapture: ("addEventListener" in document) // This is a weak test. We may want to beef this up later.
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});
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fakeBody.remove();
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//for ruling out shadows via css
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if( !$.support.boxShadow ){ $('html').addClass('ui-mobile-nosupport-boxshadow'); }
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})( jQuery ); |