class FieldItemListNormalizer in Facebook Instant Articles 3.x
Same name and namespace in other branches
- 8.2 src/Normalizer/FieldItemListNormalizer.php \Drupal\fb_instant_articles\Normalizer\FieldItemListNormalizer
Normalize FieldItemList object into an Instant Article object.
Hierarchy
- class \Drupal\serialization\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\SerializerAwareInterface, CacheableNormalizerInterface uses \Symfony\Component\Serializer\SerializerAwareTrait
- class \Drupal\fb_instant_articles\Normalizer\FieldItemListNormalizer
Expanded class hierarchy of FieldItemListNormalizer
1 string reference to 'FieldItemListNormalizer'
1 service uses FieldItemListNormalizer
File
- src/
Normalizer/ FieldItemListNormalizer.php, line 17
Namespace
Drupal\fb_instant_articles\NormalizerView source
class FieldItemListNormalizer extends NormalizerBase {
/**
* {@inheritdoc}
*/
protected $supportedInterfaceOrClass = 'Drupal\\Core\\Field\\FieldItemListInterface';
/**
* {@inheritdoc}
*/
protected $format = 'fbia';
/**
* Renderer service.
*
* @var \Drupal\Core\Render\RendererInterface
*/
protected $renderer;
/**
* Transformer factory.
*
* @var \Drupal\fb_instant_articles\TransformerFactory
*/
protected $transformerFactory;
/**
* FieldItemListNormalizer constructor.
*
* @param \Drupal\Core\Render\RendererInterface $renderer
* The renderer service.
* @param \Drupal\fb_instant_articles\TransformerFactory $transformer_factory
* Transformer factory.
*/
public function __construct(RendererInterface $renderer, TransformerFactory $transformer_factory) {
$this->renderer = $renderer;
$this->transformerFactory = $transformer_factory;
}
/**
* {@inheritdoc}
*/
public function normalize($object, $format = NULL, array $context = []) {
/** @var \Drupal\Core\Field\FieldItemListInterface $object */
if (!isset($context['instant_article'])) {
return;
}
/** @var \Facebook\InstantArticles\Elements\InstantArticle $article */
$article = $context['instant_article'];
// If we're given an entity_view_display object as context, use that as a
// mapping to guide the normalization.
if (isset($context['entity_view_display'])) {
/** @var \Drupal\Core\Entity\Entity\EntityViewDisplay $display */
$display = $context['entity_view_display'];
$formatter = $display
->getRenderer($object
->getName());
$component = $display
->getComponent($object
->getName());
if ($formatter instanceof InstantArticleFormatterInterface) {
$formatter
->viewInstantArticle($object, $article, $component['region'], $this->serializer);
}
elseif ($formatter instanceof FormatterInterface) {
$formatter
->prepareView([
$object
->getEntity()
->id() => $object,
]);
$render_array = $formatter
->view($object);
if ($markup = (string) $this->renderer
->renderPlain($render_array)) {
// Determine correct context for transformation.
$transformer_context = $article;
if ($component['region'] === Regions::REGION_HEADER) {
$header = $article
->getHeader();
if (!$header) {
$header = Header::create();
$article
->withHeader($header);
}
$transformer_context = $header;
}
elseif ($component['region'] === Regions::REGION_FOOTER) {
$footer = $article
->getFooter();
if (!$footer) {
$footer = Footer::create();
$article
->withFooter($footer);
}
$transformer_context = $footer;
}
// Region-aware transformation of rendered markup.
// Pass the markup through the Transformer.
$transformer = $this->transformerFactory
->getTransformer();
$transformer
->transformString($transformer_context, $markup);
$this->transformerFactory
->flushTransformerLogs($transformer);
}
}
}
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
CacheableNormalizerInterface:: |
constant | Name of key for bubbling cacheability metadata via serialization context. | ||
FieldItemListNormalizer:: |
protected | property |
List of formats which supports (de-)normalization. Overrides NormalizerBase:: |
|
FieldItemListNormalizer:: |
protected | property | Renderer service. | |
FieldItemListNormalizer:: |
protected | property |
The interface or class that this Normalizer supports. Overrides NormalizerBase:: |
|
FieldItemListNormalizer:: |
protected | property | Transformer factory. | |
FieldItemListNormalizer:: |
public | function | ||
FieldItemListNormalizer:: |
public | function | FieldItemListNormalizer constructor. | |
NormalizerBase:: |
protected | function | Adds cacheability if applicable. | |
NormalizerBase:: |
protected | function | Checks if the provided format is supported by this normalizer. | 1 |
NormalizerBase:: |
public | function | Implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface::supportsDenormalization() | 1 |
NormalizerBase:: |
public | function | 1 |