Add back support for LoginButtonEvent

EventListener/LoginTemplateEventListener.php

@@ -33,30 +33,52 @@ use vierbergenlars\AuthserverExternalAccountBundle\ExternalAccountEvents;
 
 class LoginTemplateEventListener implements EventSubscriberInterface
 {
+
     /**
+     *
      * @var ExternalAccountProviderManager
      */
     private $accountProviderManager;
 
-    public function __construct(ExternalAccountProviderManager $accountProviderManager)
+    /**
+     *
+     * @var UrlGeneratorInterface
+     */
+    private $urlGenerator;
+
+    public function __construct(ExternalAccountProviderManager $accountProviderManager, UrlGeneratorInterface $urlGenerator)
     {
         $this->accountProviderManager = $accountProviderManager;
+        $this->urlGenerator = $urlGenerator;
     }
 
     public static function getSubscribedEvents()
     {
         return [
-            AppEvents::LOGIN_VIEW_BODY => ['onLoginViewBody', 1],
+            AppEvents::LOGIN_VIEW_BODY => [
+                'onLoginViewBody',
+                1
+            ]
         ];
     }
 
-    public function onLoginViewBody(TemplateEvent $event)
+    public function onLoginViewBody(TemplateEvent $event, $eventName, EventDispatcherInterface $eventDispatcher)
     {
+        $loginButtonEvent = new LoginButtonEvent($this->urlGenerator);
+
         $providers = $this->accountProviderManager->getAccountProviders();
-        if(count($providers) > 0) {
+        foreach ($providers as $provider) {
+            $loginButtonEvent->addButton($provider->getLoginButton());
+        }
+
+        $eventDispatcher->dispatch(ExternalAccountEvents::LOGIN_BUTTON, $loginButtonEvent);
+
+        $buttons = $loginButtonEvent->getButtons();
+
+        if (count($buttons) > 0) {
             $event->setArgument('hiddenPasswordLogin', true);
             $event->addTemplate(new TemplateReference('AuthserverExternalAccountBundle', 'Login', 'buttons', 'html', 'twig'), [
-                'accountProviders' => $providers,
+                'buttons' => $buttons
             ]);
         }
     }

ExternalAccount/ExternalAccountProviderManager.php

@@ -37,6 +37,10 @@ class ExternalAccountProviderManager
         $this->externalAccountProviders[$accountProvider->getName()] = $accountProvider;
     }
 
+    /**
+     *
+     * @return ExternalAccountProviderInterface[]
+     */
     public function getAccountProviders()
     {
         return array_values($this->externalAccountProviders);

Resources/config/services.xml

@@ -25,6 +25,7 @@
     <services>
         <service class="vierbergenlars\AuthserverExternalAccountBundle\EventListener\LoginTemplateEventListener">
             <argument type="service" id="vierbergenlars.authserver_external_account.account_provider_manager" />
+            <argument type="service" id="router" />
             <tag name="kernel.event_subscriber" />
         </service>
         <service class="vierbergenlars\AuthserverExternalAccountBundle\EventListener\ProfileTemplateListener">

Resources/views/Login/buttons.html.twig

@@ -1,5 +1,5 @@
 <div class="panel-body">
-    {% for provider in accountProviders %}
-        {% include 'AuthserverExternalAccountBundle:Login:button.html.twig' with {button: provider.loginButton} only %}
+    {% for button in buttons %}
+        {% include 'AuthserverExternalAccountBundle:Login:button.html.twig' with {button: button} only %}
     {% endfor %}
 </div>