1 files changed, 156 insertions, 0 deletions
diff --git a/browser/extensions/formautofill/FormAutofill.jsm b/browser/extensions/formautofill/FormAutofill.jsm
new file mode 100644
index 0000000000..513f82d22e
--- /dev/null
+++ b/browser/extensions/formautofill/FormAutofill.jsm
@@ -0,0 +1,156 @@
+/* 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";
+
+var EXPORTED_SYMBOLS = ["FormAutofill"];
+
+const { XPCOMUtils } = ChromeUtils.import(
+  "resource://gre/modules/XPCOMUtils.jsm"
+);
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+XPCOMUtils.defineLazyModuleGetters(this, {
+  Region: "resource://gre/modules/Region.jsm",
+});
+
+const ADDRESSES_FIRST_TIME_USE_PREF = "extensions.formautofill.firstTimeUse";
+const AUTOFILL_CREDITCARDS_AVAILABLE_PREF =
+  "extensions.formautofill.creditCards.available";
+const CREDITCARDS_USED_STATUS_PREF = "extensions.formautofill.creditCards.used";
+const ENABLED_AUTOFILL_ADDRESSES_PREF =
+  "extensions.formautofill.addresses.enabled";
+const ENABLED_AUTOFILL_ADDRESSES_CAPTURE_PREF =
+  "extensions.formautofill.addresses.capture.enabled";
+const ENABLED_AUTOFILL_CREDITCARDS_PREF =
+  "extensions.formautofill.creditCards.enabled";
+const ENABLED_AUTOFILL_CREDITCARDS_REAUTH_PREF =
+  "extensions.formautofill.reauth.enabled";
+const AUTOFILL_CREDITCARDS_HIDE_UI_PREF =
+  "extensions.formautofill.creditCards.hideui";
+const SUPPORTED_COUNTRIES_PREF = "extensions.formautofill.supportedCountries";
+
+XPCOMUtils.defineLazyPreferenceGetter(
+  this,
+  "logLevel",
+  "extensions.formautofill.loglevel",
+  "Warn"
+);
+
+// A logging helper for debug logging to avoid creating Console objects
+// or triggering expensive JS -> C++ calls when debug logging is not
+// enabled.
+//
+// Console objects, even natively-implemented ones, can consume a lot of
+// memory, and since this code may run in every content process, that
+// memory can add up quickly. And, even when debug-level messages are
+// being ignored, console.debug() calls can be expensive.
+//
+// This helper avoids both of those problems by never touching the
+// console object unless debug logging is enabled.
+function debug() {
+  if (logLevel.toLowerCase() == "debug") {
+    this.log.debug(...arguments);
+  }
+}
+
+var FormAutofill = {
+  ENABLED_AUTOFILL_ADDRESSES_PREF,
+  ENABLED_AUTOFILL_ADDRESSES_CAPTURE_PREF,
+  ENABLED_AUTOFILL_CREDITCARDS_PREF,
+  ENABLED_AUTOFILL_CREDITCARDS_REAUTH_PREF,
+  ADDRESSES_FIRST_TIME_USE_PREF,
+  CREDITCARDS_USED_STATUS_PREF,
+
+  get DEFAULT_REGION() {
+    return Region.home || "US";
+  },
+  get isAutofillEnabled() {
+    return (
+      FormAutofill.isAutofillAddressesEnabled ||
+      this.isAutofillCreditCardsEnabled
+    );
+  },
+  get isAutofillCreditCardsEnabled() {
+    return (
+      FormAutofill.isAutofillCreditCardsAvailable &&
+      FormAutofill._isAutofillCreditCardsEnabled
+    );
+  },
+
+  defineLazyLogGetter(scope, logPrefix) {
+    scope.debug = debug;
+
+    XPCOMUtils.defineLazyGetter(scope, "log", () => {
+      let ConsoleAPI = ChromeUtils.import(
+        "resource://gre/modules/Console.jsm",
+        {}
+      ).ConsoleAPI;
+      return new ConsoleAPI({
+        maxLogLevelPref: "extensions.formautofill.loglevel",
+        prefix: logPrefix,
+      });
+    });
+  },
+};
+
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "isAutofillAddressesEnabled",
+  ENABLED_AUTOFILL_ADDRESSES_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "isAutofillAddressesCaptureEnabled",
+  ENABLED_AUTOFILL_ADDRESSES_CAPTURE_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "isAutofillCreditCardsAvailable",
+  AUTOFILL_CREDITCARDS_AVAILABLE_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "_isAutofillCreditCardsEnabled",
+  ENABLED_AUTOFILL_CREDITCARDS_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "isAutofillCreditCardsHideUI",
+  AUTOFILL_CREDITCARDS_HIDE_UI_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "isAutofillAddressesFirstTimeUse",
+  ADDRESSES_FIRST_TIME_USE_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "AutofillCreditCardsUsedStatus",
+  CREDITCARDS_USED_STATUS_PREF
+);
+XPCOMUtils.defineLazyPreferenceGetter(
+  FormAutofill,
+  "supportedCountries",
+  SUPPORTED_COUNTRIES_PREF,
+  null,
+  null,
+  val => val.split(",")
+);
+
+// XXX: This should be invalidated on intl:app-locales-changed.
+XPCOMUtils.defineLazyGetter(FormAutofill, "countries", () => {
+  let availableRegionCodes = Services.intl.getAvailableLocaleDisplayNames(
+    "region"
+  );
+  let displayNames = Services.intl.getRegionDisplayNames(
+    undefined,
+    availableRegionCodes
+  );
+  let result = new Map();
+  for (let i = 0; i < availableRegionCodes.length; i++) {
+    result.set(availableRegionCodes[i].toUpperCase(), displayNames[i]);
+  }
+  return result;
+});