docs/source/ShadowPool.html

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  18   <pre class="prettyprint lang-js"><span id='Ext-ShadowPool'>/**
  19 </span> * @class Ext.ShadowPool
  20  * @extends Object
  21  * Private utility class that manages the internal Shadow cache
  22  * @private
  23  */
  24 Ext.define('Ext.ShadowPool', {
  25     singleton: true,
  26     requires: ['Ext.core.DomHelper'],
  27
  28     markup: function() {
  29         if (Ext.supports.CSS3BoxShadow) {
  30             return '&lt;div class=&quot;' + Ext.baseCSSPrefix + 'css-shadow&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;';
  31         } else if (Ext.isIE) {
  32             return '&lt;div class=&quot;' + Ext.baseCSSPrefix + 'ie-shadow&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;';
  33         } else {
  34             return '&lt;div class=&quot;' + Ext.baseCSSPrefix + 'frame-shadow&quot; role=&quot;presentation&quot;&gt;' +
  35                 '&lt;div class=&quot;xst&quot; role=&quot;presentation&quot;&gt;' +
  36                     '&lt;div class=&quot;xstl&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  37                     '&lt;div class=&quot;xstc&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  38                     '&lt;div class=&quot;xstr&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  39                 '&lt;/div&gt;' +
  40                 '&lt;div class=&quot;xsc&quot; role=&quot;presentation&quot;&gt;' +
  41                     '&lt;div class=&quot;xsml&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  42                     '&lt;div class=&quot;xsmc&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  43                     '&lt;div class=&quot;xsmr&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  44                 '&lt;/div&gt;' +
  45                 '&lt;div class=&quot;xsb&quot; role=&quot;presentation&quot;&gt;' +
  46                     '&lt;div class=&quot;xsbl&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  47                     '&lt;div class=&quot;xsbc&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  48                     '&lt;div class=&quot;xsbr&quot; role=&quot;presentation&quot;&gt;&lt;/div&gt;' +
  49                 '&lt;/div&gt;' +
  50             '&lt;/div&gt;';
  51         }
  52     }(),
  53
  54     shadows: [],
  55
  56     pull: function() {
  57         var sh = this.shadows.shift();
  58         if (!sh) {
  59             sh = Ext.get(Ext.core.DomHelper.insertHtml(&quot;beforeBegin&quot;, document.body.firstChild, this.markup));
  60             sh.autoBoxAdjust = false;
  61         }
  62         return sh;
  63     },
  64
  65     push: function(sh) {
  66         this.shadows.push(sh);
  67     },
  68
  69     reset: function() {
  70         Ext.Array.each(this.shadows, function(shadow) {
  71             shadow.remove();
  72         });
  73         this.shadows = [];
  74     }
  75 });</pre>
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