add allow video configuration (#41)

* add allow video configuration

* update changelog

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## 2.5.0 (29. June 2020)
+
++ [#41](https://github.com/nadar/quill-delta-parser/pull/41) Add option to configure Embed Video `allow` option.
+
 ## 2.4.0 (2. November 2019)
 
 + [#32](https://github.com/nadar/quill-delta-parser/pull/32) Added new `wrapElement` method to simplify building block listeners.

src/listener/Video.php

@@ -14,10 +14,16 @@
  */
 class Video extends BlockListener
 {
+    /**
+     * @var array Allow options for iframe allow param
+     * @since 2.5.0
+     */
+    public $allow = ['accelerometer', 'autoplay', 'encrypted-media', 'gyroscope', 'picture-in-picture'];
+
     /**
      * @var string The wrapper template which is taken to generate the video element.
      */
-    public $wrapper = '<div class="embed-responsive embed-responsive-16by9"><iframe class="embed-responsive-item" src="{url}" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></div>';
+    public $wrapper = '<div class="embed-responsive embed-responsive-16by9"><iframe class="embed-responsive-item" src="{url}" frameborder="0" allow="{allow}" allowfullscreen></iframe></div>';
 
     /**
      * {@inheritDoc}
@@ -26,7 +32,7 @@ public function process(Line $line)
     {
         $embedUrl = $line->insertJsonKey('video');
         if ($embedUrl) {
-            $line->output = str_replace(['{url}'], [$line->getLexer()->escape($embedUrl)], $this->wrapper);
+            $line->output = str_replace(['{url}', '{allow}'], [$line->getLexer()->escape($embedUrl), implode("; ", $this->allow)], $this->wrapper);
             $line->setDone();
         }
     }