[Payments] Move PersonalDataManager and locale to PaymentRequestState

components/payments/content/payment_request_spec.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 COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_SPEC_H_
 #define COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_SPEC_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "components/payments/content/payment_request.mojom.h"
+#include "components/payments/core/currency_formatter.h"
 
 namespace payments {
 
 // The spec contains all the options that the merchant has specified about this
 // Payment Request. It's a (mostly) read-only view, which can be updated in
 // certain occasions by the merchant (see API).
 class PaymentRequestSpec {
  public:
   // Any class call add itself as Observer via AddObserver() and receive
   // notification about spec events.
   class Observer {
    public:
     // Called when the provided spec (details, options, method_data) is invalid.
     virtual void OnInvalidSpecProvided() = 0;
 
    protected:
     virtual ~Observer() {}
   };
 
   PaymentRequestSpec(mojom::PaymentOptionsPtr options,
                      mojom::PaymentDetailsPtr details,
                      std::vector<mojom::PaymentMethodDataPtr> method_data,
-                     PaymentRequestSpec::Observer* observer);
+                     PaymentRequestSpec::Observer* observer,
+                     const std::string& app_locale);
   ~PaymentRequestSpec();
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   bool request_shipping() const { return options_->request_shipping; }
   bool request_payer_name() const { return options_->request_payer_name; }
   bool request_payer_phone() const { return options_->request_payer_phone; }
   bool request_payer_email() const { return options_->request_payer_email; }
 
   const std::vector<std::string>& supported_card_networks() {
     return supported_card_networks_;
   }
 
+  // Uses CurrencyFormatter to format |amount| with the currency symbol for this
+  // request's currency. Will use currency of the "total" display item, because
+  // all items are supposed to have the same currency in a given request.
+  base::string16 GetFormattedCurrencyAmount(const std::string& amount);
+
+  // Uses CurrencyFormatter to get the formatted currency code for this
+  // request's currency. Will use currency of the "total" display item, because
+  // all items are supposed to have the same currency in a given request.
+  std::string GetFormattedCurrencyCode();
+
   const mojom::PaymentDetails& details() const { return *details_.get(); }
   const mojom::PaymentOptions& options() const { return *options_.get(); }
 
  private:
   // Validates the |method_data| and fills |supported_card_networks_|.
   void PopulateValidatedMethodData(
       const std::vector<mojom::PaymentMethodDataPtr>& method_data);
 
   // Will notify all observers that the spec is invalid.
   void NotifyOnInvalidSpecProvided();
 
+  // Returns the CurrencyFormatter instance for this PaymentRequest.
+  // |locale_name| should be the result of the browser's GetApplicationLocale().
+  // Note: Having multiple currencies per PaymentRequest is not supported; hence
+  // the CurrencyFormatter is cached here.
+  CurrencyFormatter* GetOrCreateCurrencyFormatter(
+      const std::string& currency_code,
+      const std::string& currency_system,
+      const std::string& locale_name);
+
   mojom::PaymentOptionsPtr options_;
   mojom::PaymentDetailsPtr details_;
+  const std::string app_locale_;
+  std::unique_ptr<CurrencyFormatter> currency_formatter_;
 
   // A list of supported basic card networks, in order that they were specified
   // by the merchant.
   std::vector<std::string> supported_card_networks_;
 
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentRequestSpec);
 };
 
 }  // namespace payments
 
 #endif  // COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_SPEC_H_