Issue #3519394: Make current location indicator icon configurable

src/Plugin/geolocation/MapFeature/ClientLocationIndicator.php

@@ -3,6 +3,7 @@
 namespace Drupal\geolocation\Plugin\geolocation\MapFeature;
 
 use Drupal\geolocation\MapFeatureBase;
+use Drupal\geolocation\MapProviderInterface;
 
 /**
  * Redraw locations as shapes.
@@ -26,4 +27,31 @@ class ClientLocationIndicator extends MapFeatureBase {
     return $settings;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getSettingsForm(array $settings, array $parents = [], ?MapProviderInterface $mapProvider = NULL): array {
+    $form = parent::getSettingsForm($settings, $parents, $mapProvider);
+
+    $form['icon_path'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Icon path'),
+      '#default_value' => $settings['icon_path'],
+      '#description' => $this->t('Path to icon. Empty to default.'),
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSettings(array $settings, ?MapProviderInterface $mapProvider = NULL): array {
+    $settings = parent::getSettings($settings, $mapProvider);
+
+    $settings['icon_path'] = $settings['icon_path'] ?: self::getDefaultSettings()['icon_path'];
+
+    return $settings;
+  }
+
 }