[Payment Request] Generic edit form

ios/chrome/browser/payments/credit_card_edit_view_controller.h

+// Copyright 2017 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.
+
+#ifndef IOS_CHROME_BROWSER_PAYMENTS_CREDIT_CARD_EDIT_VIEW_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_PAYMENTS_CREDIT_CARD_EDIT_VIEW_CONTROLLER_H_
+
+#include "components/autofill/core/browser/field_types.h"
+#include "ios/chrome/browser/payments/payment_request.h"
+#import "ios/chrome/browser/payments/payment_request_edit_view_controller.h"
+
+namespace autofill {
+class CreditCard;
+}  // namespace autofill
+
+@class CreditCardEditViewController;
+
+// Delegate protocol for CreditCardEditViewController.
+@protocol CreditCardEditViewControllerDelegate<NSObject>
+
+// Notifies the delegate that the user has finished editing or creating
+// |creditCard|. |creditCard| will be a new credit card owned by the
+// PaymentRequest object if no credit card instance was provided to the
+// view controller. Otherwise, it will be the same edited instance.
+- (void)creditCardEditViewController:(CreditCardEditViewController*)controller
+          didFinishEditingCreditCard:(autofill::CreditCard*)creditCard;
+
+// Notifies the delegate that the user has chose to return to the previous
+// screen.
+- (void)creditCardEditViewControllerDidReturn:
+    (CreditCardEditViewController*)controller;
+
+@end
+
+// View controller responsible for presenting a credit card edit form. The form
+// features text fields for the card number, card holder name, expiration month,
+// and expiration year if the credit card is not a server card. It also displays
+// the billing address associated with the credit card if there is one.
+@interface CreditCardEditViewController : PaymentRequestEditViewController
+
+// The delegate to be notified when the user returns or finishes creating or
+// editting a credit card.
+@property(nonatomic, weak) id<CreditCardEditViewControllerDelegate> delegate;
+
+// Initializes this object with an instance of PaymentRequest which owns an
+// instance of web::PaymentRequest as well as the credit card to be edited, if
+// any. This object will not take ownership of |paymentRequest| or |creditCard|.
+- (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest
+                            creditCard:(autofill::CreditCard*)creditCard
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
+
+- (instancetype)initWithStyle:(CollectionViewControllerStyle)style
+    NS_UNAVAILABLE;
+
+- (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest
+    NS_UNAVAILABLE;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_PAYMENTS_CREDIT_CARD_EDIT_VIEW_CONTROLLER_H_