1 files changed, 58 insertions, 0 deletions
diff --git a/remote/shared/js-window-actors/NavigationListenerParent.sys.mjs b/remote/shared/js-window-actors/NavigationListenerParent.sys.mjs
new file mode 100644
index 0000000000..334f9953d6
--- /dev/null
+++ b/remote/shared/js-window-actors/NavigationListenerParent.sys.mjs
@@ -0,0 +1,58 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * 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/. */
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+  Log: "chrome://remote/content/shared/Log.sys.mjs",
+  notifyLocationChanged:
+    "chrome://remote/content/shared/NavigationManager.sys.mjs",
+  notifyNavigationStarted:
+    "chrome://remote/content/shared/NavigationManager.sys.mjs",
+  notifyNavigationStopped:
+    "chrome://remote/content/shared/NavigationManager.sys.mjs",
+});
+
+ChromeUtils.defineLazyGetter(lazy, "logger", () => lazy.Log.get());
+
+export class NavigationListenerParent extends JSWindowActorParent {
+  async receiveMessage(message) {
+    try {
+      switch (message.name) {
+        case "NavigationListenerChild:locationChanged": {
+          lazy.notifyLocationChanged({
+            contextDetails: message.data.contextDetails,
+            url: message.data.url,
+          });
+          break;
+        }
+        case "NavigationListenerChild:navigationStarted": {
+          lazy.notifyNavigationStarted({
+            contextDetails: message.data.contextDetails,
+            url: message.data.url,
+          });
+          break;
+        }
+        case "NavigationListenerChild:navigationStopped": {
+          lazy.notifyNavigationStopped({
+            contextDetails: message.data.contextDetails,
+            url: message.data.url,
+          });
+          break;
+        }
+        default:
+          throw new Error("Unsupported message:" + message.name);
+      }
+    } catch (e) {
+      if (e instanceof TypeError) {
+        // Avoid error spam from errors due to unavailable browsing contexts.
+        lazy.logger.trace(
+          `Failed to handle a navigation listener message: ${e.message}`
+        );
+      } else {
+        throw e;
+      }
+    }
+  }
+}