Improve opendialogurl configuration to be extensible

app/code/Magento/Ui/Component/Form/Element/DataType/Media/Image.php

@@ -31,35 +31,43 @@ class Image extends Media
      */
     private $fileSize;
 
+    /**
+     * @var OpednDialogUrl
+     */
+    private $openDialogUrl;
+
     /**
      * @param ContextInterface $context
      * @param StoreManagerInterface $storeManager
      * @param Size $fileSize
+     * @param OpenDialogUrl $openDialogUrl
      * @param UiComponentInterface[] $components
      * @param array $data
      */
     public function __construct(
         ContextInterface $context,
         StoreManagerInterface $storeManager,
         Size $fileSize,
+        OpenDialogUrl $openDialogUrl,
         array $components = [],
         array $data = []
     ) {
         $this->storeManager = $storeManager;
         $this->fileSize = $fileSize;
+        $this->openDialogUrl = $openDialogUrl;
         parent::__construct($context, $components, $data);
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getComponentName()
     {
         return static::NAME;
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function prepare()
     {
@@ -75,7 +83,10 @@ public function prepare()
                 'config' => [
                     'maxFileSize' => $maxFileSize,
                     'mediaGallery' => [
-                        'openDialogUrl' => $this->getContext()->getUrl('cms/wysiwyg_images/index', ['_secure' => true]),
+                        'openDialogUrl' => $this->getContext()->getUrl(
+                            $this->openDialogUrl->get(),
+                            ['_secure' => true]
+                        ),
                         'openDialogTitle' => $this->getConfiguration()['openDialogTitle'] ?? __('Insert Images...'),
                         'initialOpenSubpath' => $this->getConfiguration()['initialMediaGalleryOpenSubpath'],
                         'storeId' => $this->storeManager->getStore()->getId(),

app/code/Magento/Ui/Component/Form/Element/DataType/Media/OpenDialogUrl.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\Ui\Component\Form\Element\DataType\Media;
+
+/**
+ * Basic configuration for OdenDialogUrl
+ */
+class OpenDialogUrl
+{
+    private const DEFAULT_OPEN_DIALOG_URL = 'cms/wysiwyg_images/index';
+
+    /**
+     * @var string
+     */
+    private $openDialogUrl;
+
+    /**
+     * @param string $url
+     */
+    public function __construct(string $url = null)
+    {
+        $this->openDialogUrl = $url ?? self::DEFAULT_OPEN_DIALOG_URL;
+    }
+
+    /**
+     * Returns open dialog url for media browser
+     *
+     * @return string
+     */
+    public function get(): string
+    {
+        return $this->openDialogUrl;
+    }
+}