Adding new shipping address editor view to payment flow.

chrome/browser/ui/views/payments/shipping_address_editor_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 CHROME_BROWSER_UI_VIEWS_PAYMENTS_SHIPPING_ADDRESS_EDITOR_VIEW_CONTROLLER_H_
+#define CHROME_BROWSER_UI_VIEWS_PAYMENTS_SHIPPING_ADDRESS_EDITOR_VIEW_CONTROLLER_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "chrome/browser/ui/views/payments/editor_view_controller.h"
+#include "chrome/browser/ui/views/payments/validating_textfield.h"
+
+namespace payments {
+
+class PaymentRequestSpec;
+class PaymentRequestState;
+class PaymentRequestDialogView;
+
+// Shipping Address editor screen of the Payment Request flow.
+class ShippingAddressEditorViewController : public EditorViewController {
+ public:
+  // Does not take ownership of the arguments, which should outlive this object.
+  ShippingAddressEditorViewController(PaymentRequestSpec* spec,
+                                      PaymentRequestState* state,
+                                      PaymentRequestDialogView* dialog);
+  ~ShippingAddressEditorViewController() override;
+
+  // EditorViewController:
+  std::unique_ptr<views::View> CreateHeaderView() override;
+  int GetViewHeaderTitleId() const override;
+  std::vector<EditorField> GetFieldDefinitions() override;
+  bool ValidateModelAndSave() override;
+  std::unique_ptr<ValidationDelegate> CreateValidationDelegate(
+      const EditorField& field) override;
+  std::unique_ptr<ui::ComboboxModel> GetComboboxModelForType(
+      const autofill::ServerFieldType& type) override;
+  void OnPerformAction(views::Combobox* combobox) override;
+  void UpdateEditorView() override;
+
+ private:
+  class ShippingAddressValidationDelegate : public ValidationDelegate {
+   public:
+    ShippingAddressValidationDelegate(
+        ShippingAddressEditorViewController* parent,
+        const EditorField& field);
+    ~ShippingAddressValidationDelegate() override;
+
+    // ValidationDelegate:
+    bool ValidateTextfield(views::Textfield* textfield) override;
+    bool ValidateCombobox(views::Combobox* combobox) override;
+
+   private:
+    bool ValidateValue(const base::string16& value);
+
+    EditorField field_;
+    // TODO(mad): Bring back when needed.
+    // ShippingAddressEditorViewController* parent_{nullptr};
+
+    DISALLOW_COPY_AND_ASSIGN(ShippingAddressValidationDelegate);
+  };
+  friend class ShippingAddressValidationDelegate;
+
+  // List of fields, reset everytime the current country changes.
+  std::vector<EditorField> editor_fields_;
+
+  // The currently chosen country. Defaults to 0 as the first entry in the
+  // combobox, which is the generated default value received from
+  // autofill::CountryComboboxModel::countries() which is documented to always
+  // have the default country at the top as well as within the sorted list.
+  size_t chosen_country_index_{0};
+
+  // The list of country codes as ordered in the country combobox model.
+  std::vector<std::string> country_codes_;
+
+  // Updates |editor_fields_| based on the current country.
+  void UpdateEditorFields();
+
+  // Called by the validation delegate when the country combobox changed.
+  void OnCountryChanged(views::Combobox* combobox);
+
+  DISALLOW_COPY_AND_ASSIGN(ShippingAddressEditorViewController);
+};
+
+}  // namespace payments
+
+#endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_SHIPPING_ADDRESS_EDITOR_VIEW_CONTROLLER_H_