Issue 5384 - Introduced dedicated mobile options page

mobile-options.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2017 eyeo GmbH
+ * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /* globals getDocLink */
 
 "use strict";
 
 {
   const {getMessage} = ext.i18n;
 
   const dialogSubscribe = "subscribe";
+  const idAcceptableAds = "acceptableAds";
+  const idRecommended = "subscriptions-recommended";
   let whitelistFilter = null;
   let promisedAcceptableAdsUrl = getAcceptableAdsUrl();
 
   /* Utility functions */
 
   function get(selector, origin)
   {
     return (origin || document).querySelector(selector);
   }
 
@@ skipping 91 matching lines @@
 
   function setSubscription({disabled, title, url}, shouldAdd)
   {
     if (disabled)
       return;
 
     promisedAcceptableAdsUrl.then((acceptableAdsUrl) =>
     {
       if (url == acceptableAdsUrl)
       {
-        get("#acceptableAds").checked = true;
+        get(`#${idAcceptableAds}`).checked = true;
         return;
       }
 
       let listInstalled = get("#subscriptions-installed");
       let installed = get(`[data-url="${url}"]`, listInstalled);
 
       if (installed)
       {
         let titleElement = get("span", installed);
         titleElement.textContent = title || url;
       }
       else if (shouldAdd)
       {
         let element = create(listInstalled, "li", null, {"data-url": url});
         create(element, "span", title || url);
         create(element, "button", null, {class: "remove"},
           () => uninstallSubscription(url)
         );
 
-        let recommended = get(`#subscriptions-recommended [data-url="${url}"]`);
+        let recommended = get(`#${idRecommended} [data-url="${url}"]`);
         if (recommended)
         {
           recommended.classList.add("installed");
         }
       }
     });
   }
 
   function removeSubscription(url)
   {
     promisedAcceptableAdsUrl.then((acceptableAdsUrl) =>
     {
       if (url == acceptableAdsUrl)
       {
-        get("#acceptableAds").checked = false;
+        get(`#${idAcceptableAds}`).checked = false;
         return;
       }
 
       let installed = get(`#subscriptions-installed [data-url="${url}"]`);
       if (installed)
       {
         installed.parentNode.removeChild(installed);
       }
 
-      let recommended = get(`#subscriptions-recommended [data-url="${url}"]`);
+      let recommended = get(`#${idRecommended} [data-url="${url}"]`);
       if (recommended)
       {
         recommended.classList.remove("installed");
       }
     });
   }
 
   function setDialog(id, options)
   {
     if (!id)
@@ skipping 24 matching lines @@
     {
       delete dialog.dataset.error;
     }
   }
 
   function populateLists()
   {
     Promise.all([getInstalled(), getRecommendedAds()])
       .then(([installed, recommended]) =>
       {
-        let listRecommended = get("#subscriptions-recommended");
+        let listRecommended = get(`#${idRecommended}`);
         for (let {title, url} of recommended)
         {
           create(listRecommended, "li", title, {"data-url": url},
             (ev) =>
             {
               if (ev.target.classList.contains("installed"))
                 return;
 
               setDialog(dialogSubscribe, {title, url});
             }
           );
         }
 
         for (let subscription of installed)
         {
           if (subscription.disabled)
             continue;
 
           setSubscription(subscription, true);
         }
       })
       .catch((err) => console.error(err));
   }
 
   /* Listeners */
 
   function onChange(ev)
   {
-    if (ev.target.id != "acceptableAds")
+    if (ev.target.id != idAcceptableAds)
       return;
 
     promisedAcceptableAdsUrl.then((acceptableAdsUrl) =>
     {
       if (ev.target.checked)
       {
         installSubscription(acceptableAdsUrl, null);
       }
       else
       {
         uninstallSubscription(acceptableAdsUrl);
       }
     });
   }
   document.addEventListener("change", onChange);
 
   function toggleWhitelistFilter(toggle)
   {
     if (whitelistFilter)
     {
       ext.backgroundPage.sendMessage(
         {
           type: (toggle.checked) ? "filters.remove" : "filters.add",
           text: whitelistFilter
-        }, (errors) =>
+        },
+        (errors) =>
         {
           if (errors.length < 1)
             return;
 
           console.error(errors);
           toggle.checked = !toggle.checked;
         }
       );
     }
     else
@@ skipping 143 matching lines @@
   get("#dialog-subscribe [name='title']").setAttribute(
     "placeholder",
     getMessage("mops_subscribe_title")
   );
 
   get("#dialog-subscribe [name='url']").setAttribute(
     "placeholder",
     getMessage("mops_subscribe_url")
   );
 }