public function VarbaseOEmbedFormatter::viewElements in Varbase Media 8.7

Same name and namespace in other branches

1. 9.0.x src/Plugin/Field/FieldFormatter/VarbaseOEmbedFormatter.php \Drupal\varbase_media\Plugin\Field\FieldFormatter\VarbaseOEmbedFormatter::viewElements()

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides OEmbedFormatter::viewElements

File

src/Plugin/Field/FieldFormatter/VarbaseOEmbedFormatter.php, line 31

Class

VarbaseOEmbedFormatter

Plugin implementation of the 'oembed' formatter for Varbase.

Namespace

Drupal\varbase_media\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $element = [];
  $max_width = $this
    ->getSetting('max_width');
  $max_height = $this
    ->getSetting('max_height');
  foreach ($items as $delta => $item) {
    $main_property = $item
      ->getFieldDefinition()
      ->getFieldStorageDefinition()
      ->getMainPropertyName();
    $value = $item->{$main_property};
    if (empty($value)) {
      continue;
    }
    $media = $item
      ->getEntity();
    $provider = $media->field_provider->value;
    $url = Url::fromRoute('media.oembed_iframe', [], [
      'query' => [
        'url' => $value,
        'max_width' => $max_width,
        'max_height' => $max_height,
        'type' => "remote_video",
        'provider' => strtolower($provider),
        'hash' => $this->iFrameUrlHelper
          ->getHash($value, $max_width, $max_height, $provider),
      ],
    ]);

    // Render videos and rich content in an iframe for security reasons.
    // @see: https://oembed.com/#section3
    $element[$delta] = [
      '#type' => 'html_tag',
      '#tag' => 'iframe',
      '#attributes' => [
        'src' => $url
          ->toString(),
        'frameborder' => 0,
        'scrolling' => FALSE,
        'allowtransparency' => TRUE,
        'width' => $max_width,
        'height' => $max_height,
        'loading' => 'lazy',
        'class' => [
          'media-oembed-content',
        ],
      ],
      '#attached' => [
        'library' => [
          'media/oembed.formatter',
        ],
      ],
    ];
  }
  return $element;
}