Basic implementation event signup

lib/dompdf/src/JavascriptEmbedder.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Frame;
+
+/**
+ * Embeds Javascript into the PDF document
+ *
+ * @package dompdf
+ */
+class JavascriptEmbedder
+{
+
+    /**
+     * @var Dompdf
+     */
+    protected $_dompdf;
+
+    /**
+     * JavascriptEmbedder constructor.
+     *
+     * @param Dompdf $dompdf
+     */
+    public function __construct(Dompdf $dompdf)
+    {
+        $this->_dompdf = $dompdf;
+    }
+
+    /**
+     * @param $script
+     */
+    public function insert($script)
+    {
+        $this->_dompdf->getCanvas()->javascript($script);
+    }
+
+    /**
+     * @param \Dompdf\Frame $frame
+     */
+    public function render(Frame $frame)
+    {
+        if (!$this->_dompdf->getOptions()->getIsJavascriptEnabled()) {
+            return;
+        }
+
+        $this->insert($frame->get_node()->nodeValue);
+    }
+}