2 files changed, 22 insertions, 3 deletions
diff --git a/browser/components/newtab/common/Actions.sys.mjs b/browser/components/newtab/common/Actions.mjs
index df5c9f0c91..7273d80220 100644
--- a/browser/components/newtab/common/Actions.sys.mjs
+++ b/browser/components/newtab/common/Actions.mjs
@@ -2,6 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+// This file is accessed from both content and system scopes.
+
 export const MAIN_MESSAGE_TYPE = "ActivityStream:Main";
 export const CONTENT_MESSAGE_TYPE = "ActivityStream:Content";
 export const PRELOAD_MESSAGE_TYPE = "ActivityStream:PreloadedBrowser";
@@ -158,6 +160,7 @@ for (const type of [
   "UPDATE_PINNED_SEARCH_SHORTCUTS",
   "UPDATE_SEARCH_SHORTCUTS",
   "UPDATE_SECTION_PREFS",
+  "WALLPAPERS_SET",
   "WEBEXT_CLICK",
   "WEBEXT_DISMISS",
 ]) {
@@ -371,8 +374,11 @@ function DiscoveryStreamLoadedContent(
   return importContext === UI_CODE ? AlsoToMain(action) : action;
 }
 
-function SetPref(name, value, importContext = globalImportContext) {
-  const action = { type: actionTypes.SET_PREF, data: { name, value } };
+function SetPref(prefName, value, importContext = globalImportContext) {
+  const action = {
+    type: actionTypes.SET_PREF,
+    data: { name: prefName, value },
+  };
   return importContext === UI_CODE ? AlsoToMain(action) : action;
 }
 
diff --git a/browser/components/newtab/common/Reducers.sys.mjs b/browser/components/newtab/common/Reducers.sys.mjs
index d4f879b834..326217538d 100644
--- a/browser/components/newtab/common/Reducers.sys.mjs
+++ b/browser/components/newtab/common/Reducers.sys.mjs
@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-import { actionTypes as at } from "resource://activity-stream/common/Actions.sys.mjs";
+import { actionTypes as at } from "resource://activity-stream/common/Actions.mjs";
 import { Dedupe } from "resource://activity-stream/common/Dedupe.sys.mjs";
 
 export const TOP_SITES_DEFAULT_ROWS = 1;
@@ -101,6 +101,9 @@ export const INITIAL_STATE = {
     // Hide the search box after handing off to AwesomeBar and user starts typing.
     hide: false,
   },
+  Wallpapers: {
+    wallpaperList: [],
+  },
 };
 
 function App(prevState = INITIAL_STATE.App, action) {
@@ -841,6 +844,15 @@ function Search(prevState = INITIAL_STATE.Search, action) {
   }
 }
 
+function Wallpapers(prevState = INITIAL_STATE.Wallpapers, action) {
+  switch (action.type) {
+    case at.WALLPAPERS_SET:
+      return { wallpaperList: action.data };
+    default:
+      return prevState;
+  }
+}
+
 export const reducers = {
   TopSites,
   App,
@@ -852,4 +864,5 @@ export const reducers = {
   Personalization,
   DiscoveryStream,
   Search,
+  Wallpapers,
 };