Issue 5706 - Finish custom filter list dialog

new-options.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 659 matching lines @@
         ext.backgroundPage.sendMessage({
           type: "subscriptions.update"
         });
         break;
       case "update-subscription":
         ext.backgroundPage.sendMessage({
           type: "subscriptions.update",
           url: findParentData(element, "access", false)
         });
         break;
+      case "validate-import-subscription":
+        let form = findParentData(element, "validation", true);
+        if (!form)
+          return;
+
+        if (form.checkValidity())
+        {
+          addEnableSubscription(E("import-list-url").value,
+            E("import-list-title").value);
+          form.reset();
+          closeDialog();
+        }
+        else
+        {
+          form.querySelector(":invalid").focus();
+        }
+        break;
     }
   }
 
   function setCustomFiltersView(mode)
   {
     let customFiltersElement = E("custom-filters-raw");
     updateCustomFiltersUi();
     if (mode == "read")
     {
       customFiltersElement.disabled = true;
@@ skipping 643 matching lines @@
   });
   ext.backgroundPage.sendMessage({
     type: "subscriptions.listen",
     filter: ["added", "disabled", "homepage", "lastDownload", "removed",
              "title", "downloadStatus", "downloading"]
   });
 
   window.addEventListener("DOMContentLoaded", onDOMLoaded, false);
   window.addEventListener("hashchange", onHashChange, false);
 }