docs/source/ShadowPool.html

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  18   <pre class="prettyprint lang-js"><span id='Ext-ShadowPool'>/**
  19 </span> * Private utility class that manages the internal Shadow cache
  20  * @private
  21  */
  22 Ext.define('Ext.ShadowPool', {
  23     singleton: true,
  24     requires: ['Ext.DomHelper'],
  25
  26     markup: function() {
  27         if (Ext.supports.CSS3BoxShadow) {
  28             return '&lt;div class=&quot;' + Ext.baseCSSPrefix + 'css-shadow&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;';
  29         } else if (Ext.isIE) {
  30             return '&lt;div class=&quot;' + Ext.baseCSSPrefix + 'ie-shadow&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;';
  31         } else {
  32             return '&lt;div class=&quot;' + Ext.baseCSSPrefix + 'frame-shadow&quot; role=&quot;presentation&quot;&gt;' +
  33                 '&lt;div class=&quot;xst&quot; role=&quot;presentation&quot;&gt;' +
  34                     '&lt;div class=&quot;xstl&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  35                     '&lt;div class=&quot;xstc&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  36                     '&lt;div class=&quot;xstr&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  37                 '&lt;/div&gt;' +
  38                 '&lt;div class=&quot;xsc&quot; role=&quot;presentation&quot;&gt;' +
  39                     '&lt;div class=&quot;xsml&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  40                     '&lt;div class=&quot;xsmc&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  41                     '&lt;div class=&quot;xsmr&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  42                 '&lt;/div&gt;' +
  43                 '&lt;div class=&quot;xsb&quot; role=&quot;presentation&quot;&gt;' +
  44                     '&lt;div class=&quot;xsbl&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  45                     '&lt;div class=&quot;xsbc&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  46                     '&lt;div class=&quot;xsbr&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  47                 '&lt;/div&gt;' +
  48             '&lt;/div&gt;';
  49         }
  50     }(),
  51
  52     shadows: [],
  53
  54     pull: function() {
  55         var sh = this.shadows.shift();
  56         if (!sh) {
  57             sh = Ext.get(Ext.DomHelper.insertHtml(&quot;beforeBegin&quot;, document.body.firstChild, this.markup));
  58             sh.autoBoxAdjust = false;
  59         }
  60         return sh;
  61     },
  62
  63     push: function(sh) {
  64         this.shadows.push(sh);
  65     },
  66
  67     reset: function() {
  68         Ext.Array.each(this.shadows, function(shadow) {
  69             shadow.remove();
  70         });
  71         this.shadows = [];
  72     }
  73 });</pre>
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