[Payments] Desktop: implement shipping address/option change

chrome/browser/ui/views/payments/payment_request_dialog_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_DIALOG_VIEW_H_
 
 #include <map>
 #include <memory>
 
 #include "base/macros.h"
 #include "chrome/browser/ui/views/payments/view_stack.h"
 #include "components/payments/content/payment_request_dialog.h"
+#include "components/payments/content/payment_request_spec.h"
 #include "ui/views/window/dialog_delegate.h"
 
 namespace payments {
 
 class PaymentRequest;
 class PaymentRequestSheetController;
 
 // Maps views owned by PaymentRequestDialogView::view_stack_ to their
 // controller. PaymentRequestDialogView is responsible for listening for those
 // views being removed from the hierarchy and delete the associated controllers.
 using ControllerMap =
     std::map<views::View*, std::unique_ptr<PaymentRequestSheetController>>;
 
 // The dialog delegate that represents a desktop WebPayments dialog. This class
 // is responsible for displaying the view associated with the current state of
 // the WebPayments flow and managing the transition between those states.
 class PaymentRequestDialogView : public views::DialogDelegateView,
-                                 public PaymentRequestDialog {
+                                 public PaymentRequestDialog,
+                                 public PaymentRequestSpec::Observer {
  public:
   class ObserverForTest {
    public:
     virtual void OnDialogOpened() = 0;
 
     virtual void OnContactInfoOpened() = 0;
 
     virtual void OnOrderSummaryOpened() = 0;
 
     virtual void OnPaymentMethodOpened() = 0;
 
     virtual void OnShippingSectionOpened() = 0;
 
     virtual void OnCreditCardEditorOpened() = 0;
 
     virtual void OnShippingAddressEditorOpened() = 0;
 
     virtual void OnBackNavigation() = 0;
 
     virtual void OnEditorViewUpdated() = 0;
 
     virtual void OnErrorMessageShown() = 0;
+
+    virtual void OnSpecDoneUpdating() = 0;
   };
 
   // Build a Dialog around the PaymentRequest object. |observer| is used to
   // be notified of dialog events as they happen (but may be NULL) and should
   // outlive this object.
   PaymentRequestDialogView(PaymentRequest* request,
                            PaymentRequestDialogView::ObserverForTest* observer);
   ~PaymentRequestDialogView() override;
 
-  // views::WidgetDelegate
+  // views::WidgetDelegate:
   ui::ModalType GetModalType() const override;
 
-  // views::DialogDelegate
+  // views::DialogDelegate:
   bool Cancel() override;
   bool ShouldShowCloseButton() const override;
   int GetDialogButtons() const override;
 
-  // payments::PaymentRequestDialog
+  // payments::PaymentRequestDialog:
   void ShowDialog() override;
   void CloseDialog() override;
   void ShowErrorMessage() override;
 
+  // PaymentRequestSpec::Observer:
+  void OnInvalidSpecProvided() override {}
+  void OnSpecUpdated() override;
+
   void Pay();
   void GoBack();
   void ShowContactProfileSheet();
   void ShowOrderSummary();
   void ShowShippingProfileSheet();
   void ShowPaymentMethodSheet();
   void ShowShippingOptionSheet();
   void ShowCreditCardEditor();
   void ShowShippingAddressEditor();
   void EditorViewUpdated();
@@ skipping 22 matching lines @@
   // Used when the dialog is being closed to avoid re-entrancy into the
   // controller_map_.
   bool being_closed_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentRequestDialogView);
 };
 
 }  // namespace payments
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_DIALOG_VIEW_H_