1 files changed, 54 insertions, 0 deletions
diff --git a/toolkit/components/passwordmgr/LoginManagerTelemetry.sys.mjs b/toolkit/components/passwordmgr/LoginManagerTelemetry.sys.mjs
new file mode 100644
index 0000000000..ad2e7d80d3
--- /dev/null
+++ b/toolkit/components/passwordmgr/LoginManagerTelemetry.sys.mjs
@@ -0,0 +1,54 @@
+/* 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/. */
+
+/**
+ * Provides the logic for recording all password manager related telemetry data.
+ */
+export class LoginManagerTelemetry {
+  static recordAutofillResult(result) {
+    Glean.pwmgr.formAutofillResult[result].add(1);
+    LoginManagerLegacyTelemetry.recordAutofillResult(result);
+  }
+}
+
+/**
+ * Until the password manager related measurements are fully migrated to Glean,
+ * we need to collect the data in both systems (Legacy Telemetry and Glean) for now.
+ * Not all new Glean metric can be mirrored automatically (using the property telemetry_mirror in metrics.yaml).
+ * Therefore, we need to manually call the Legacy Telemetry API calls in this class.
+ * Once we have collected enough data for all probes in the Glean system, we can remove this class and its references.
+ */
+class LoginManagerLegacyTelemetry {
+  static HISTOGRAM_AUTOFILL_RESULT = "PWMGR_FORM_AUTOFILL_RESULT";
+  static AUTOFILL_RESULT = {
+    filled: 0,
+    no_password_field: 1,
+    password_disabled_readonly: 2,
+    no_logins_fit: 3,
+    no_saved_logins: 4,
+    existing_password: 5,
+    existing_username: 6,
+    multiple_logins: 7,
+    no_autofill_forms: 8,
+    autocomplete_off: 9,
+    insecure: 10,
+    password_autocomplete_new_password: 11,
+    type_no_longer_password: 12,
+    form_in_crossorigin_subframe: 13,
+    filled_username_only_form: 14,
+  };
+
+  static convertToAutofillResultNumber(result) {
+    return LoginManagerLegacyTelemetry.AUTOFILL_RESULT[result];
+  }
+
+  static recordAutofillResult(result) {
+    const autofillResultNumber =
+      LoginManagerLegacyTelemetry.convertToAutofillResultNumber(result);
+    Services.telemetry
+      .getHistogramById(LoginManagerLegacyTelemetry.HISTOGRAM_AUTOFILL_RESULT)
+      .add(autofillResultNumber);
+  }
+}
+export default LoginManagerTelemetry;