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<?php | |
/** | |
* @file | |
* Contains \Drupal\Core\Display\VariantManager. | |
*/ | |
namespace Drupal\Core\Display; | |
use Drupal\Core\Cache\CacheBackendInterface; | |
use Drupal\Core\Extension\ModuleHandlerInterface; | |
use Drupal\Core\Plugin\DefaultPluginManager; | |
/** | |
* Manages discovery of display variant plugins. | |
* | |
* @see \Drupal\Core\Display\Annotation\DisplayVariant | |
* @see \Drupal\Core\Display\VariantInterface | |
* @see \Drupal\Core\Display\VariantBase | |
* @see plugin_api | |
*/ | |
class VariantManager extends DefaultPluginManager { | |
/** | |
* Constructs a new VariantManager. | |
* | |
* @param \Traversable $namespaces | |
* An object that implements \Traversable which contains the root paths | |
* keyed by the corresponding namespace to look for plugin implementations. | |
* @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend | |
* Cache backend instance to use. | |
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler | |
* The module handler to invoke the alter hook with. | |
*/ | |
public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) { | |
parent::__construct('Plugin/DisplayVariant', $namespaces, $module_handler, 'Drupal\Core\Display\VariantInterface', 'Drupal\Core\Display\Annotation\DisplayVariant'); | |
$this->setCacheBackend($cache_backend, 'variant_plugins'); | |
$this->alterInfo('display_variant_plugin'); | |
} | |
} |