Stackedit/js/lib/css_browser_selector.js

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2013-04-26 23:08:13 +00:00
/*
CSS Browser Selector 0.6.1
Originally written by Rafael Lima (http://rafael.adm.br)
http://rafael.adm.br/css_browser_selector
License: http://creativecommons.org/licenses/by/2.5/
Co-maintained by:
https://github.com/verbatim/css_browser_selector
*/
showLog=true;
function log(m) {if ( window.console && showLog ) {console.log(m); } }
function css_browser_selector(u)
{
var uaInfo = {},
screens = [320, 480, 640, 768, 1024, 1152, 1280, 1440, 1680, 1920, 2560],
allScreens = screens.length,
ua=u.toLowerCase(),
is=function(t) { return RegExp(t,"i").test(ua); },
version = function(p,n)
{
n=n.replace(".","_"); var i = n.indexOf('_'), ver="";
while (i>0) {ver += " "+ p+n.substring(0,i);i = n.indexOf('_', i+1);}
ver += " "+p+n; return ver;
},
g='gecko',
w='webkit',
c='chrome',
f='firefox',
s='safari',
o='opera',
m='mobile',
a='android',
bb='blackberry',
lang='lang_',
dv='device_',
html=document.documentElement,
b= [
// browser
(!(/opera|webtv/i.test(ua))&&/msie\s(\d+)/.test(ua))?('ie ie'+(/trident\/4\.0/.test(ua) ? '8' : RegExp.$1))
:is('firefox/')?g+ " " + f+(/firefox\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua)?' '+f+RegExp.$2 + ' '+f+RegExp.$2+"_"+RegExp.$4:'')
:is('gecko/')?g
:is('opera')?o+(/version\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua)?' '+o+RegExp.$2 + ' '+o+RegExp.$2+"_"+RegExp.$4 : (/opera(\s|\/)(\d+)\.(\d+)/.test(ua)?' '+o+RegExp.$2+" "+o+RegExp.$2+"_"+RegExp.$3:''))
:is('konqueror')?'konqueror'
:is('blackberry') ?
( bb +
( /Version\/(\d+)(\.(\d+)+)/i.test(ua)
? " " + bb+ RegExp.$1 + " "+bb+ RegExp.$1+RegExp.$2.replace('.','_')
: (/Blackberry ?(([0-9]+)([a-z]?))[\/|;]/gi.test(ua)
? ' ' +bb+RegExp.$2 + (RegExp.$3?' ' +bb+RegExp.$2+RegExp.$3:'')
: '')
)
) // blackberry
:is('android') ?
( a +
( /Version\/(\d+)(\.(\d+))+/i.test(ua)
? " " + a+ RegExp.$1 + " "+a+ RegExp.$1+RegExp.$2.replace('.','_')
: '')
+ (/Android (.+); (.+) Build/i.test(ua)
? ' '+dv+( (RegExp.$2).replace(/ /g,"_") ).replace(/-/g,"_")
:'' )
) //android
:is('chrome')?w+ ' '+c+(/chrome\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua)?' '+c+RegExp.$2 +((RegExp.$4>0) ? ' '+c+RegExp.$2+"_"+RegExp.$4:''):'')
:is('iron')?w+' iron'
:is('applewebkit/') ?
( w+ ' '+ s +
( /version\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua)
? ' '+ s +RegExp.$2 + " "+s+ RegExp.$2+RegExp.$3.replace('.','_')
: ( / Safari\/(\d+)/i.test(ua)
?
( (RegExp.$1=="419" || RegExp.$1=="417" || RegExp.$1=="416" || RegExp.$1=="412" ) ? ' '+ s + '2_0'
: RegExp.$1=="312" ? ' '+ s + '1_3'
: RegExp.$1=="125" ? ' '+ s + '1_2'
: RegExp.$1=="85" ? ' '+ s + '1_0'
: '' )
:'')
)
) //applewebkit
:is('mozilla/')?g
:''
// mobile
,is("android|mobi|mobile|j2me|iphone|ipod|ipad|blackberry|playbook|kindle|silk")?m:''
// os/platform
,is('j2me')?'j2me'
:is('ipad|ipod|iphone')?
(
(
/CPU( iPhone)? OS (\d+[_|\.]\d+([_|\.]\d+)*)/i.test(ua) ?
'ios' + version('ios',RegExp.$2) : ''
) + ' ' + ( /(ip(ad|od|hone))/gi.test(ua) ? RegExp.$1 : "" )
) //'iphone'
//:is('ipod')?'ipod'
//:is('ipad')?'ipad'
:is('playbook')?'playbook'
:is('kindle|silk')?'kindle'
:is('playbook')?'playbook'
:is('mac')?'mac'+ (/mac os x ((\d+)[.|_](\d+))/.test(ua) ? ( ' mac' + (RegExp.$2) + ' mac' + (RegExp.$1).replace('.',"_") ) : '' )
:is('win')?'win'+
(is('windows nt 6.2')?' win8'
:is('windows nt 6.1')?' win7'
:is('windows nt 6.0')?' vista'
:is('windows nt 5.2') || is('windows nt 5.1') ? ' win_xp'
:is('windows nt 5.0')?' win_2k'
:is('windows nt 4.0') || is('WinNT4.0') ?' win_nt'
: ''
)
:is('freebsd')?'freebsd'
:(is('x11|linux'))?'linux'
:''
// user agent language
,(/[; |\[](([a-z]{2})(\-[a-z]{2})?)[)|;|\]]/i.test(ua))?(lang+RegExp.$2).replace("-","_")+(RegExp.$3!=''?(' '+lang+RegExp.$1).replace("-","_"):''):''
// beta: test if running iPad app
,( is('ipad|iphone|ipod') && !is('safari') ) ? 'ipad_app' : ''
]; // b
function screenSize()
{
var w = window.outerWidth || html.clientWidth;
var h = window.outerHeight || html.clientHeight;
uaInfo.orientation = ((w<h) ? "portrait" : "landscape");
// remove previous min-width, max-width, client-width, client-height, and orientation
html.className = html.className.replace(/ ?orientation_\w+/g, "").replace(/ [min|max|cl]+[w|h]_\d+/g, "")
for (var i=(allScreens-1);i>=0;i--) { if (w >= screens[i] ) { uaInfo.maxw = screens[i]; break; }}
widthClasses="";
for (var info in uaInfo) { widthClasses+=" "+info+"_"+ uaInfo[info] };
html.className = ( html.className +widthClasses );
return widthClasses;
} // screenSize
window.onresize = screenSize;
screenSize();
var cssbs = (b.join(' ')) + " js ";
html.className = ( cssbs + html.className.replace(/\b(no[-|_]?)?js\b/g,"") ).replace(/^ /, "").replace(/ +/g," ");
return cssbs;
}
css_browser_selector(navigator.userAgent);