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