public static function Blazy::buildIframeAttributes in Blazy 8

Modifies variables for iframes.

2 calls to Blazy::buildIframeAttributes()

Blazy::buildAttributes in src/Blazy.php

Prepares variables for blazy.html.twig templates.

BlazyUnitTest::testBuildIframeAttributes in tests/src/Unit/BlazyUnitTest.php

Tests \Drupal\blazy\Blazy\buildIframeAttributes.

File

src/Blazy.php, line 232

Class

Blazy

Implements BlazyInterface.

Namespace

Drupal\blazy

Code

public static function buildIframeAttributes(&$variables) {

  // Prepares a media player, and allows a tiny video preview without iframe.
  // image : If iframe switch disabled, fallback to iframe, remove image.
  // player: If no colorbox/photobox, it is an image to iframe switcher.
  // data- : Gets consistent with colorbox to share JS manipulation.
  $settings =& $variables['settings'];
  $variables['image'] = empty($settings['media_switch']) ? [] : $variables['image'];
  $settings['player'] = empty($settings['lightbox']) && $settings['media_switch'] != 'content';
  $iframe['data-src'] = $settings['embed_url'];
  $iframe['src'] = empty($settings['iframe_lazy']) ? $settings['embed_url'] : 'about:blank';

  // Only lazyload if media switcher is empty, but iframe lazy enabled.
  if (!empty($settings['iframe_lazy']) && empty($settings['media_switch'])) {
    $iframe['class'][] = 'b-lazy';
  }

  // Prevents broken iframe when aspect ratio is empty.
  if (empty($settings['ratio']) && !empty($settings['width'])) {
    $iframe['width'] = $settings['width'];
    $iframe['height'] = $settings['height'];
  }

  // Pass iframe attributes to template.
  $settings['autoplay_url'] = empty($settings['autoplay_url']) ? $settings['embed_url'] : $settings['autoplay_url'];
  $variables['iframe_attributes'] = new Attribute($iframe);

  // Iframe is removed on lazyloaded, puts data at non-removable storage.
  $variables['attributes']['data-media'] = Json::encode([
    'type' => $settings['type'],
    'scheme' => $settings['scheme'],
  ]);
}