1 files changed, 85 insertions, 0 deletions
diff --git a/toolkit/components/extensions/parent/ext-networkStatus.js b/toolkit/components/extensions/parent/ext-networkStatus.js
new file mode 100644
index 0000000000..7379d746f5
--- /dev/null
+++ b/toolkit/components/extensions/parent/ext-networkStatus.js
@@ -0,0 +1,85 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+/* 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/. */
+"use strict";
+
+XPCOMUtils.defineLazyServiceGetter(
+  this,
+  "gNetworkLinkService",
+  "@mozilla.org/network/network-link-service;1",
+  "nsINetworkLinkService"
+);
+
+function getLinkType() {
+  switch (gNetworkLinkService.linkType) {
+    case gNetworkLinkService.LINK_TYPE_UNKNOWN:
+      return "unknown";
+    case gNetworkLinkService.LINK_TYPE_ETHERNET:
+      return "ethernet";
+    case gNetworkLinkService.LINK_TYPE_USB:
+      return "usb";
+    case gNetworkLinkService.LINK_TYPE_WIFI:
+      return "wifi";
+    case gNetworkLinkService.LINK_TYPE_WIMAX:
+      return "wimax";
+    case gNetworkLinkService.LINK_TYPE_MOBILE:
+      return "mobile";
+    default:
+      return "unknown";
+  }
+}
+
+function getLinkStatus() {
+  if (!gNetworkLinkService.linkStatusKnown) {
+    return "unknown";
+  }
+  return gNetworkLinkService.isLinkUp ? "up" : "down";
+}
+
+function getLinkInfo() {
+  return {
+    id: gNetworkLinkService.networkID || undefined,
+    status: getLinkStatus(),
+    type: getLinkType(),
+  };
+}
+
+this.networkStatus = class extends ExtensionAPI {
+  getAPI(context) {
+    return {
+      networkStatus: {
+        getLinkInfo,
+        onConnectionChanged: new EventManager({
+          context,
+          name: "networkStatus.onConnectionChanged",
+          register: fire => {
+            let observerStatus = (subject, topic, data) => {
+              fire.async(getLinkInfo());
+            };
+
+            Services.obs.addObserver(
+              observerStatus,
+              "network:link-status-changed"
+            );
+            Services.obs.addObserver(
+              observerStatus,
+              "network:link-type-changed"
+            );
+            return () => {
+              Services.obs.removeObserver(
+                observerStatus,
+                "network:link-status-changed"
+              );
+              Services.obs.removeObserver(
+                observerStatus,
+                "network:link-type-changed"
+              );
+            };
+          },
+        }).api(),
+      },
+    };
+  }
+};