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// JavaScript Document
var PrefixFinder = function(){
this.setPrefixes();
if(!this.navFullySupported){
this.navFullySupported = false;
this.prefixe = {css: '-ms-', js: 'ms'};
}
};
PrefixFinder.prototype = {
navFullySupported: true,
listPrefixes: {},
prefixe: {css: false, js: false},
setPrefixes: function() {
if(window.getComputedStyle){
var allStyles = window.getComputedStyle(document.documentElement, ''),
pre = (Array.prototype.slice.call(allStyles).join('|'));
var tmp = pre.match(/\|-([^-]+)-([^|]+)\|/) || (allStyles.OLink === '' && ['', 'o']);
this.prefixe.css = '-'+tmp[1]+'-';
var testElem = document.createElement('div').style;
tmp[2] = this.camelize(tmp[2], true);
if((tmp[1] + tmp[2]) in testElem){
this.prefixe.js = tmp[1];
return true;
}
tmp[1] = this.camelize(tmp[1], true);
if((tmp[1] + tmp[2]) in testElem){
this.prefixe.js = tmp[1];
return true;
}
}
this.navFullySupported = false;
},
camelize: function(st, full){
st = st.replace(/-([a-z])/g, function(reg, camel){
return camel.toUpperCase();
});
if(full){
return st.replace(st.charAt(0), st.charAt(0).toUpperCase());
}
return st
},
deCamelize: function(st){
return st.replace(/[A-Z]/g, function(camel, pos){
return (pos == 0 ? '' : '-') + camel.toLowerCase();
});
},
getPrefixedProp: function(prop){
prop = this.deCamelize(prop);
var jsProp = this.camelize(prop);
if(this.listPrefixes[jsProp]){
return this.listPrefixes[jsProp];
}
var tester = document.createElement('div').style;
if(jsProp in tester){
this.listPrefixes[jsProp] = {css: prop, js: jsProp};
return {css: prop, js: jsProp};
}
var jsPropPref = this.prefixe.js + jsProp.replace(jsProp.charAt(0), jsProp.charAt(0).toUpperCase());
if(jsPropPref in tester){
this.listPrefixes[jsProp] = {css: this.prefixe.css + prop, js: jsPropPref};
return {css: this.prefixe.css + prop, js: jsPropPref};
}
this.listPrefixes[jsProp] = {css: false, js: false};
return {css: false, js: false};
},
getPrefixedPropValue: function(prop, valeur){
prop = this.deCamelize(prop);
var tester = document.createElement('div').style;
var jsProp = this.camelize(prop);
test:if(jsProp in tester){
try {
tester[jsProp] = valeur;
} catch (e) {
break test;
}
if(tester[jsProp] != ''){
return {css: prop, js: jsProp, valeur: tester[jsProp]};
}
}
jsProp = this.prefixe.js + jsProp.replace(jsProp.charAt(0), jsProp.charAt(0).toUpperCase());
test:if(jsProp in tester){
try {
tester[jsProp] = valeur;
} catch (e) {
break test;
}
if(tester[jsProp] != ''){
return {css: this.prefixe.css + prop, js: jsProp, valeur: tester[jsProp]};
}
}
var ret = this.getPrefixedProp(prop);
ret.valeur = false;
return ret;
}
};