domReady()

in content/js/css3-mediaqueries.js [485:773]

• 26 lines of code
• 3 McCabe index (conditional complexity)

domReady(function enableCssMediaQueries(){
var _37;
var _38={LENGTH_UNIT:/[0-9]+(em|ex|px|in|cm|mm|pt|pc)$/,RESOLUTION_UNIT:/[0-9]+(dpi|dpcm)$/,ASPECT_RATIO:/^[0-9]+\/[0-9]+$/,ABSOLUTE_VALUE:/^[0-9]*(\.[0-9]+)*$/};
var _39=[];
var _3a=function(){
var id="css3-mediaqueries-test";
var el=document.createElement("div");
el.id=id;
var _3b=cssHelper.addStyle("@media all and (width) { #"+id+" { width: 1px !important; } }",false);
document.body.appendChild(el);
var ret=el.offsetWidth===1;
_3b.parentNode.removeChild(_3b);
el.parentNode.removeChild(el);
_3a=function(){
return ret;
};
return ret;
};
var _3c=function(){
_37=document.createElement("div");
_37.style.cssText="position:absolute;top:-9999em;left:-9999em;"+"margin:0;border:none;padding:0;width:1em;font-size:1em;";
document.body.appendChild(_37);
if(_37.offsetWidth!==16){
_37.style.fontSize=16/_37.offsetWidth+"em";
}
_37.style.width="";
};
var _3d=function(_3e){
_37.style.width=_3e;
var _3f=_37.offsetWidth;
_37.style.width="";
return _3f;
};
var _40=function(_41,_42){
var l=_41.length;
var min=(_41.substring(0,4)==="min-");
var max=(!min&&_41.substring(0,4)==="max-");
if(_42!==null){
var _43;
var _44;
if(_38.LENGTH_UNIT.exec(_42)){
_43="length";
_44=_3d(_42);
}else{
if(_38.RESOLUTION_UNIT.exec(_42)){
_43="resolution";
_44=parseInt(_42,10);
var _45=_42.substring((_44+"").length);
}else{
if(_38.ASPECT_RATIO.exec(_42)){
_43="aspect-ratio";
_44=_42.split("/");
}else{
if(_38.ABSOLUTE_VALUE){
_43="absolute";
_44=_42;
}else{
_43="unknown";
}
}
}
}
}
var _46,_47;
if("device-width"===_41.substring(l-12,l)){
_46=screen.width;
if(_42!==null){
if(_43==="length"){
return ((min&&_46>=_44)||(max&&_46<_44)||(!min&&!max&&_46===_44));
}else{
return false;
}
}else{
return _46>0;
}
}else{
if("device-height"===_41.substring(l-13,l)){
_47=screen.height;
if(_42!==null){
if(_43==="length"){
return ((min&&_47>=_44)||(max&&_47<_44)||(!min&&!max&&_47===_44));
}else{
return false;
}
}else{
return _47>0;
}
}else{
if("width"===_41.substring(l-5,l)){
_46=document.documentElement.clientWidth||document.body.clientWidth;
if(_42!==null){
if(_43==="length"){
return ((min&&_46>=_44)||(max&&_46<_44)||(!min&&!max&&_46===_44));
}else{
return false;
}
}else{
return _46>0;
}
}else{
if("height"===_41.substring(l-6,l)){
_47=document.documentElement.clientHeight||document.body.clientHeight;
if(_42!==null){
if(_43==="length"){
return ((min&&_47>=_44)||(max&&_47<_44)||(!min&&!max&&_47===_44));
}else{
return false;
}
}else{
return _47>0;
}
}else{
if("device-aspect-ratio"===_41.substring(l-19,l)){
return _43==="aspect-ratio"&&screen.width*_44[1]===screen.height*_44[0];
}else{
if("color-index"===_41.substring(l-11,l)){
var _48=Math.pow(2,screen.colorDepth);
if(_42!==null){
if(_43==="absolute"){
return ((min&&_48>=_44)||(max&&_48<_44)||(!min&&!max&&_48===_44));
}else{
return false;
}
}else{
return _48>0;
}
}else{
if("color"===_41.substring(l-5,l)){
var _49=screen.colorDepth;
if(_42!==null){
if(_43==="absolute"){
return ((min&&_49>=_44)||(max&&_49<_44)||(!min&&!max&&_49===_44));
}else{
return false;
}
}else{
return _49>0;
}
}else{
if("resolution"===_41.substring(l-10,l)){
var res;
if(_45==="dpcm"){
res=_3d("1cm");
}else{
res=_3d("1in");
}
if(_42!==null){
if(_43==="resolution"){
return ((min&&res>=_44)||(max&&res<_44)||(!min&&!max&&res===_44));
}else{
return false;
}
}else{
return res>0;
}
}else{
return false;
}
}
}
}
}
}
}
}
};
var _4a=function(mq){
var _4b=mq.getValid();
var _4c=mq.getExpressions();
var l=_4c.length;
if(l>0){
for(var i=0;i<l&&_4b;i++){
_4b=_40(_4c[i].mediaFeature,_4c[i].value);
}
var not=mq.getNot();
return (_4b&&!not||not&&!_4b);
}
};
var _4d=function(mql){
var mqs=mql.getMediaQueries();
var t={};
for(var i=0;i<mqs.length;i++){
if(_4a(mqs[i])){
t[mqs[i].getMediaType()]=true;
}
}
var s=[],c=0;
for(var n in t){
if(t.hasOwnProperty(n)){
if(c>0){
s[c++]=",";
}
s[c++]=n;
}
}
if(s.length>0){
_39[_39.length]=cssHelper.addStyle("@media "+s.join("")+"{"+mql.getCssText()+"}",false);
}
};
var _4e=function(_4f){
for(var i=0;i<_4f.length;i++){
_4d(_4f[i]);
}
if(ua.ie){
document.documentElement.style.display="block";
setTimeout(function(){
document.documentElement.style.display="";
},0);
setTimeout(function(){
cssHelper.broadcast("cssMediaQueriesTested");
},100);
}else{
cssHelper.broadcast("cssMediaQueriesTested");
}
};
var _50=function(){
for(var i=0;i<_39.length;i++){
cssHelper.removeStyle(_39[i]);
}
_39=[];
cssHelper.mediaQueryLists(_4e);
};
var _51=0;
var _52=function(){
var _53=cssHelper.getViewportWidth();
var _54=cssHelper.getViewportHeight();
if(ua.ie){
var el=document.createElement("div");
el.style.position="absolute";
el.style.top="-9999em";
el.style.overflow="scroll";
document.body.appendChild(el);
_51=el.offsetWidth-el.clientWidth;
document.body.removeChild(el);
}
var _55;
var _56=function(){
var vpw=cssHelper.getViewportWidth();
var vph=cssHelper.getViewportHeight();
if(Math.abs(vpw-_53)>_51||Math.abs(vph-_54)>_51){
_53=vpw;
_54=vph;
clearTimeout(_55);
_55=setTimeout(function(){
if(!_3a()){
_50();
}else{
cssHelper.broadcast("cssMediaQueriesTested");
}
},500);
}
};
window.onresize=function(){
var x=window.onresize||function(){
};
return function(){
x();
_56();
};
}();
};
var _57=document.documentElement;
_57.style.marginLeft="-32767px";
setTimeout(function(){
_57.style.marginTop="";
},20000);
return function(){
if(!_3a()){
cssHelper.addListener("newStyleParsed",function(el){
_4e(el.cssHelperParsed.mediaQueryLists);
});
cssHelper.addListener("cssMediaQueriesTested",function(){
if(ua.ie){
_57.style.width="1px";
}
setTimeout(function(){
_57.style.width="";
_57.style.marginLeft="";
},0);
cssHelper.removeListener("cssMediaQueriesTested",arguments.callee);
});
_3c();
_50();
}else{
_57.style.marginLeft="";
}
_52();
};
}());