Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Asset;
Chris@0: 
Chris@0: /**
Chris@0:  * The default attached assets collection.
Chris@0:  */
Chris@0: class AttachedAssets implements AttachedAssetsInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The (ordered) list of asset libraries attached to the current response.
Chris@0:    *
Chris@0:    * @var string[]
Chris@0:    */
Chris@0:   public $libraries = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * The JavaScript settings attached to the current response.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public $settings = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * The set of asset libraries that the client has already loaded.
Chris@0:    *
Chris@0:    * @var string[]
Chris@0:    */
Chris@0:   protected $alreadyLoadedLibraries = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function createFromRenderArray(array $render_array) {
Chris@0:     if (!isset($render_array['#attached'])) {
Chris@0:       throw new \LogicException('The render array has not yet been rendered, hence not all attachments have been collected yet.');
Chris@0:     }
Chris@0: 
Chris@0:     $assets = new static();
Chris@0:     if (isset($render_array['#attached']['library'])) {
Chris@0:       $assets->setLibraries($render_array['#attached']['library']);
Chris@0:     }
Chris@0:     if (isset($render_array['#attached']['drupalSettings'])) {
Chris@0:       $assets->setSettings($render_array['#attached']['drupalSettings']);
Chris@0:     }
Chris@0:     return $assets;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setLibraries(array $libraries) {
Chris@0:     $this->libraries = array_unique($libraries);
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getLibraries() {
Chris@0:     return $this->libraries;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setSettings(array $settings) {
Chris@0:     $this->settings = $settings;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getSettings() {
Chris@0:     return $this->settings;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getAlreadyLoadedLibraries() {
Chris@0:     return $this->alreadyLoadedLibraries;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setAlreadyLoadedLibraries(array $libraries) {
Chris@0:     $this->alreadyLoadedLibraries = $libraries;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0: }