public static function ColorSystemBrandingBlockAlter::preRender in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/color/src/ColorSystemBrandingBlockAlter.php \Drupal\color\ColorSystemBrandingBlockAlter::preRender()

#pre_render callback: Sets color preset logo.

File

core/modules/color/src/ColorSystemBrandingBlockAlter.php, line 18

Class

ColorSystemBrandingBlockAlter

Provides a trusted callback to alter the system branding block.

Namespace

Drupal\color

Code

public static function preRender($build) {
  $theme_key = \Drupal::theme()
    ->getActiveTheme()
    ->getName();
  $config = \Drupal::config('color.theme.' . $theme_key);
  CacheableMetadata::createFromRenderArray($build)
    ->addCacheableDependency($config)
    ->applyTo($build);

  // Override logo.
  $logo = $config
    ->get('logo');
  if ($logo && $build['content']['site_logo'] && preg_match('!' . $theme_key . '/logo.svg$!', $build['content']['site_logo']['#uri'])) {
    $build['content']['site_logo']['#uri'] = \Drupal::service('file_url_generator')
      ->generateString($logo);
  }
  return $build;
}