1 files changed, 65 insertions, 0 deletions
diff --git a/toolkit/components/formautofill/FormAutofillChild.ios.sys.mjs b/toolkit/components/formautofill/FormAutofillChild.ios.sys.mjs
new file mode 100644
index 0000000000..9c2be17778
--- /dev/null
+++ b/toolkit/components/formautofill/FormAutofillChild.ios.sys.mjs
@@ -0,0 +1,65 @@
+/* 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/. */
+
+/* eslint-disable no-undef,mozilla/balanced-listeners */
+import { FormAutofillUtils } from "resource://gre/modules/shared/FormAutofillUtils.sys.mjs";
+import { FormStateManager } from "resource://gre/modules/shared/FormStateManager.sys.mjs";
+
+export class FormAutofillChild {
+  constructor(onSubmitCallback, onAutofillCallback) {
+    this.onFocusIn = this.onFocusIn.bind(this);
+    this.onSubmit = this.onSubmit.bind(this);
+
+    this.onSubmitCallback = onSubmitCallback;
+    this.onAutofillCallback = onAutofillCallback;
+
+    this.fieldDetailsManager = new FormStateManager();
+
+    document.addEventListener("focusin", this.onFocusIn);
+    document.addEventListener("submit", this.onSubmit);
+  }
+
+  _doIdentifyAutofillFields(element) {
+    this.fieldDetailsManager.updateActiveInput(element);
+    const validDetails =
+      this.fieldDetailsManager.identifyAutofillFields(element);
+
+    // Only ping swift if current field is a cc field
+    if (validDetails?.find(field => field.elementWeakRef.get() === element)) {
+      const fieldNamesWithValues = validDetails?.reduce(
+        (acc, field) => ({
+          ...acc,
+          [field.fieldName]: field.elementWeakRef.get().value,
+        }),
+        {}
+      );
+      this.onAutofillCallback(fieldNamesWithValues);
+    }
+  }
+
+  onFocusIn(evt) {
+    const element = evt.target;
+    this.fieldDetailsManager.updateActiveInput(element);
+    if (!FormAutofillUtils.isCreditCardOrAddressFieldType(element)) {
+      return;
+    }
+    this._doIdentifyAutofillFields(element);
+  }
+
+  onSubmit(evt) {
+    this.fieldDetailsManager.activeHandler.onFormSubmitted();
+    const records = this.fieldDetailsManager.activeHandler.createRecords();
+    if (records.creditCard) {
+      this.onSubmitCallback(records.creditCard.map(entry => entry.record));
+    }
+  }
+
+  fillFormFields(payload) {
+    this.fieldDetailsManager.activeHandler.autofillFormFields(
+      JSON.parse(payload)
+    );
+  }
+}
+
+export default FormAutofillChild;