protected function File::getThumbnail in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/media/src/Plugin/media/Source/File.php \Drupal\media\Plugin\media\Source\File::getThumbnail()

Gets the thumbnail image URI based on a file entity.

Parameters

\Drupal\file\FileInterface $file: A file entity.

Return value

string File URI of the thumbnail image or NULL if there is no specific icon.

1 call to File::getThumbnail()

File::getMetadata in core/modules/media/src/Plugin/media/Source/File.php

Gets the value for a metadata attribute for a given media item.

File

core/modules/media/src/Plugin/media/Source/File.php, line 95

Class

File

File entity media source.

Namespace

Drupal\media\Plugin\media\Source

Code

protected function getThumbnail(FileInterface $file) {
  $icon_base = $this->configFactory
    ->get('media.settings')
    ->get('icon_base_uri');

  // We try to automatically use the most specific icon present in the
  // $icon_base directory, based on the MIME type. For instance, if an
  // icon file named "pdf.png" is present, it will be used if the file
  // matches this MIME type.
  $mimetype = $file
    ->getMimeType();
  $mimetype = explode('/', $mimetype);
  $icon_names = [
    $mimetype[0] . '--' . $mimetype[1],
    $mimetype[1],
    $mimetype[0],
  ];
  foreach ($icon_names as $icon_name) {
    $thumbnail = $icon_base . '/' . $icon_name . '.png';
    if (is_file($thumbnail)) {
      return $thumbnail;
    }
  }
  return NULL;
}