[Autofill] Credit Card Assist Infobar

components/autofill/core/browser/autofill_assistant.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/autofill/core/browser/autofill_assistant.h"
+
+#include "base/containers/adapters.h"
+#include "base/strings/string16.h"
+#include "components/autofill/core/browser/autofill_experiments.h"
+#include "components/autofill/core/browser/autofill_manager.h"
+#include "components/autofill/core/browser/credit_card.h"
+#include "components/autofill/core/browser/form_structure.h"
+#include "components/autofill/core/common/autofill_constants.h"
+
+namespace autofill {
+
+AutofillAssistant::AutofillAssistant(AutofillManager* autofill_manager)
+    : credit_card_form_data_(nullptr),
+      autofill_manager_(autofill_manager),
+      weak_ptr_factory_(this) {}
+
+AutofillAssistant::~AutofillAssistant() {}
+
+void AutofillAssistant::Reset() {
+  credit_card_form_data_.reset();
+}
+
+bool AutofillAssistant::CanShowCreditCardAssist(
+    const std::vector<FormStructure*>& form_structures) {
+#if !defined(OS_ANDROID)
+  return false;
+#else
+  if (!IsAutofillCreditCardAssistEnabled() || credit_card_form_data_)
+    return false;
+
+  for (FormStructure* cur_form : base::Reversed(form_structures)) {
+    if (cur_form->IsCompleteCreditCardForm()) {
+      credit_card_form_data_.reset(new FormData(cur_form->ToFormData()));
+      break;
+    }
+  }
+  return !!credit_card_form_data_;
+#endif
+}
+
+void AutofillAssistant::ShowAssistForCreditCard(const CreditCard& card) {
+  DCHECK(credit_card_form_data_);
+  autofill_manager_->client()->ConfirmCreditCardFillAssist(
+      card, base::Bind(&AutofillAssistant::OnUserDidAcceptCreditCardFill,
+                       weak_ptr_factory_.GetWeakPtr(), card));
+}
+
+void AutofillAssistant::OnUserDidAcceptCreditCardFill(const CreditCard& card) {
+  // TODO(crbug.com/630656): Trigger CVC dialog flow for card filling.
+  autofill_manager_->FillCreditCardForm(kNoQueryId, *credit_card_form_data_,
+                                        credit_card_form_data_->fields[0], card,
+                                        base::string16());
+}
+
+}  // namespace autofill