2 files changed, 74 insertions, 0 deletions
diff --git a/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.js b/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.js
new file mode 100644
index 0000000000..0e8b6346c4
--- /dev/null
+++ b/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.js
@@ -0,0 +1,39 @@
+/* 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";
+
+/* global ExtensionAPI, ExtensionCommon, Services */
+
+this.aboutConfigPrefs = class extends ExtensionAPI {
+  getAPI(context) {
+    const EventManager = ExtensionCommon.EventManager;
+    const extensionIDBase = context.extension.id.split("@")[0];
+    const endpointPrefName = `extensions.${extensionIDBase}.newIssueEndpoint`;
+
+    return {
+      aboutConfigPrefs: {
+        onEndpointPrefChange: new EventManager({
+          context,
+          name: "aboutConfigPrefs.onEndpointPrefChange",
+          register: fire => {
+            const callback = () => {
+              fire.async().catch(() => {}); // ignore Message Manager disconnects
+            };
+            Services.prefs.addObserver(endpointPrefName, callback);
+            return () => {
+              Services.prefs.removeObserver(endpointPrefName, callback);
+            };
+          },
+        }).api(),
+        async getEndpointPref() {
+          return Services.prefs.getStringPref(endpointPrefName, undefined);
+        },
+        async setEndpointPref(value) {
+          Services.prefs.setStringPref(endpointPrefName, value);
+        },
+      },
+    };
+  }
+};
diff --git a/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.json b/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.json
new file mode 100644
index 0000000000..1fd313e392
--- /dev/null
+++ b/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.json
@@ -0,0 +1,35 @@
+[
+  {
+    "namespace": "aboutConfigPrefs",
+    "description": "experimental API extension to allow access to about:config preferences",
+    "events": [
+      {
+        "name": "onEndpointPrefChange",
+        "type": "function",
+        "parameters": []
+      }
+    ],
+    "functions": [
+      {
+        "name": "getEndpointPref",
+        "type": "function",
+        "description": "Get the endpoint preference's value",
+        "parameters": [],
+        "async": true
+      },
+      {
+        "name": "setEndpointPref",
+        "type": "function",
+        "description": "Set the endpoint preference's value",
+        "parameters": [
+          {
+            "name": "value",
+            "type": "string",
+            "description": "The new value"
+          }
+        ],
+        "async": true
+      }
+    ]
+  }
+]