/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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/**
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* 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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markup: (function() {
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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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shadows: [],
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pull: function() {
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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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push: function(sh) {
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this.shadows.push(sh);
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},
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reset: function() {
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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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});
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