[5.4] Fix issues in language installer

installation/src/Model/ChecksModel.php

@@ -10,6 +10,7 @@
 
 namespace Joomla\CMS\Installation\Model;
 
+use Joomla\CMS\Component\ComponentHelper;
 use Joomla\CMS\Factory;
 use Joomla\CMS\Form\Form;
 use Joomla\CMS\Language\Text;
@@ -253,4 +254,18 @@ public function getForm($view = null)
 
         return $form;
     }
+
+    /**
+     * Check if auto updates are disabled
+     *
+     * @return  boolean
+     *
+     * @since   __DEPLOY_VERSION__
+     */
+    public function getAutoUpdatesDisabled(): bool
+    {
+        $updates = ComponentHelper::getParams('com_joomlaupdate');
+
+        return !$updates->get('autoupdate', 0) && !$updates->get('autoupdate_status', 0);
+    }
 }

installation/src/View/Remove/HtmlView.php

@@ -66,6 +66,14 @@ class HtmlView extends BaseHtmlView
      */
     protected $installed_languages;
 
+    /**
+     * If updates are disabled, we hide the box
+     *
+     * @var    boolean
+     * @since  __DEPLOY_VERSION__
+     */
+    protected $autoUpdatesDisabled = false;
+
     /**
      * Execute and display a template script.
      *
@@ -92,6 +100,8 @@ public function display($tpl = null)
         $this->phpoptions  = $checksModel->getPhpOptions();
         $this->phpsettings = $checksModel->getPhpSettings();
 
+        $this->autoUpdatesDisabled = $checksModel->getAutoUpdatesDisabled();
+
         parent::display($tpl);
     }
 }

installation/template/js/remove.js

@@ -10,6 +10,7 @@ if (document.getElementById('installAddFeatures')) {
   document.getElementById('installAddFeatures').addEventListener('click', function(e) {
     e.preventDefault();
     document.getElementById('installLanguages').classList.add('active');
+    document.getElementById('automatedUpdates')?.classList?.remove('active');
     document.getElementById('installCongrat').classList.remove('active');
     document.getElementById('installFinal').classList.remove('active');
     document.getElementById('installRecommended').classList.remove('active');
@@ -19,6 +20,7 @@ if (document.getElementById('installAddFeatures')) {
 if (document.getElementById('skipLanguages')) {
 	document.getElementById('skipLanguages').addEventListener('click', function(e) {
 		e.preventDefault();
+		document.getElementById('automatedUpdates')?.classList?.add('active');
 		document.getElementById('installCongrat').classList.add('active');
 		document.getElementById('installFinal').classList.add('active');
 		document.getElementById('installRecommended').classList.add('active');
@@ -165,12 +167,19 @@ if (document.getElementById('installLanguagesButton')) {
 	document.getElementById('installLanguagesButton').addEventListener('click', function(e) {
 		e.preventDefault();
 		var form = document.getElementById('languagesForm');
-		if (form) {
+    if (form) {
+      Joomla.removeMessages();
+      document.body.appendChild(document.createElement('joomla-core-loader'));
+
 			// Install the extra languages
-			if (Joomla.install(['languages'], form)) {
-				document.getElementById('installLanguages').classList.remove('active');
-				document.getElementById('installFinal').classList.add('active');
-			}
+      try {
+        Joomla.install(['languages'], form, true);
+      } catch (err) {
+        const loader = document.querySelector('joomla-core-loader');
+        if (loader) {
+          loader.remove();
+        }
+      }
 		}
 	})
 }

installation/template/js/template.js

@@ -153,7 +153,7 @@
    *
    * @param tasks       An array of install tasks to execute
    */
-  Joomla.install = function(tasks, form) {
+  Joomla.install = function(tasks, form, fromSubmit) {
     const progress = document.getElementById('progressbar');
     const progress_text = document.getElementById('progress-text');
     if (!form) {
@@ -163,7 +163,7 @@
       if (progress_text) {
         progress_text.innerText = Joomla.Text._('INSTL_FINISHED');
       }
-      setTimeout(Joomla.goToPage, 2000, 'remove');
+      setTimeout(Joomla.goToPage, 2000, 'remove', fromSubmit);
       return;
     }
 
@@ -226,7 +226,7 @@
           progress.setAttribute('value', parseInt(progress.getAttribute('value')) + 1);
           progress_text.innerText = Joomla.Text._('INSTL_IN_PROGRESS');
         }
-        Joomla.install(tasks, form);
+        Joomla.install(tasks, form, fromSubmit);
       },
       onError: function(xhr){
         if (progress_text) {

installation/tmpl/remove/default.php

@@ -139,6 +139,7 @@ class="form-check-input"
         </div>
     </fieldset>
 
+    <?php if (empty($this->autoUpdatesDisabled)) : ?>
     <fieldset id="automatedUpdates" class="j-install-step active">
         <legend class="j-install-step-header">
             <?php echo Text::_('INSTL_AUTOMATED_UPDATES'); ?>
@@ -151,6 +152,7 @@ class="form-check-input"
             </button>
         </div>
     </fieldset>
+    <?php endif; ?>
 
     <div id="installRecommended" class="j-install-step active">
         <div class="j-install-step-form">