Current File : //www/varak.net/wiki.varak.net/extensions/MobileFrontend/includes/features/FeaturesManager.php
<?php
namespace MobileFrontend\Features;
use MobileContext;
use Hooks;
class FeaturesManager {
/**
* @var bool
*/
private $initialized = false;
/**
* A collection of available features
*
* @var array<IFeature>
*/
private $features = [];
/**
* Setup the Features Manager and register all 3rd party features
* The $initialized lock is required due to bug T165068
* There is no other way to register feature other than on onRequestContextCreateSkin
* hook, but this hook might be called more than once due to special pages transclusion.
*
* @see https://phabricator.wikimedia.org/T165068
*/
public function setup() {
if ( !$this->initialized ) {
Hooks::run( 'MobileFrontendFeaturesRegistration', [ $this ] );
$this->initialized = true;
}
}
/**
* Register a new MobileFronted feature
* @param IFeature $feature Feature to register
*/
public function registerFeature( IFeature $feature ) {
if ( array_key_exists( $feature->getId(), $this->features ) ) {
throw new \RuntimeException( 'Feature ' . $feature->getId() . ' is already defined.' );
}
$this->features[ $feature->getId() ] = $feature;
}
/**
* @param string $mode Mode
* @return array<IFeature>
*/
public function getAvailable( $mode ) {
return array_filter( $this->features, function ( IFeature $feature ) use ( $mode ) {
return $feature->isAvailable( $mode );
} );
}
/**
* Get feature
* @param string $id Feature id
* @return IFeature
*/
public function getFeature( $id ) {
if ( !array_key_exists( $id, $this->features ) ) {
throw new \RuntimeException( 'Feature ' . $id . ' is not defined.' );
}
return $this->features[ $id ];
}
/**
* Verify that feature $featureId is available in $context
*
* @param string $featureId Feature id to verify
* @param MobileContext $context Mobile context to check
* @return bool
*/
public function isFeatureAvailableInContext( $featureId, MobileContext $context ) {
$mode = $context->isBetaGroupMember() ? IFeature::CONFIG_BETA : IFeature::CONFIG_STABLE;
return $this->getFeature( $featureId )->isAvailable( $mode );
}
}
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