1 files changed, 55 insertions, 0 deletions
diff --git a/browser/extensions/report-site-issue/experimentalAPIs/l10n.js b/browser/extensions/report-site-issue/experimentalAPIs/l10n.js
new file mode 100644
index 0000000000..0eeb055572
--- /dev/null
+++ b/browser/extensions/report-site-issue/experimentalAPIs/l10n.js
@@ -0,0 +1,55 @@
+/* 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, Services, XPCOMUtils */
+
+XPCOMUtils.defineLazyGetter(this, "l10nStrings", function() {
+  return Services.strings.createBundle(
+    "chrome://report-site-issue/locale/webcompat.properties"
+  );
+});
+
+let l10nManifest;
+
+this.l10n = class extends ExtensionAPI {
+  onShutdown(isAppShutdown) {
+    if (!isAppShutdown && l10nManifest) {
+      Components.manager.removeBootstrappedManifestLocation(l10nManifest);
+    }
+  }
+  getAPI(context) {
+    // Until we move to Fluent (bug 1446164), we're stuck with
+    // chrome.manifest for handling localization since its what the
+    // build system can handle for localized repacks.
+    if (context.extension.rootURI instanceof Ci.nsIJARURI) {
+      l10nManifest = context.extension.rootURI.JARFile.QueryInterface(
+        Ci.nsIFileURL
+      ).file;
+    } else if (context.extension.rootURI instanceof Ci.nsIFileURL) {
+      l10nManifest = context.extension.rootURI.file;
+    }
+
+    if (l10nManifest) {
+      Components.manager.addBootstrappedManifestLocation(l10nManifest);
+    } else {
+      Cu.reportError(
+        "Cannot find webcompat reporter chrome.manifest for registring translated strings"
+      );
+    }
+
+    return {
+      l10n: {
+        getMessage(name) {
+          try {
+            return Promise.resolve(l10nStrings.GetStringFromName(name));
+          } catch (e) {
+            return Promise.reject(e);
+          }
+        },
+      },
+    };
+  }
+};