ShadowPool.js
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/**
* Private utility class that manages the internal Shadow cache.
* @private
*/
Ext.define('Ext.ShadowPool', {
singleton: true,
requires: ['Ext.DomHelper'],
markup: (function() {
return Ext.String.format(
'<div class="{0}{1}-shadow" role="presentation"></div>',
Ext.baseCSSPrefix,
Ext.isIE && !Ext.supports.CSS3BoxShadow ? 'ie' : 'css'
);
}()),
shadows: [],
pull: function() {
var sh = this.shadows.shift();
if (!sh) {
sh = Ext.get(Ext.DomHelper.insertHtml("beforeBegin", document.body.firstChild, this.markup));
sh.autoBoxAdjust = false;
}
return sh;
},
push: function(sh) {
this.shadows.push(sh);
},
reset: function() {
var shadows = [].concat(this.shadows),
s,
sLen = shadows.length;
for (s = 0; s < sLen; s++) {
shadows[s].remove();
}
this.shadows = [];
}
});