Layered component for web payments

components/payments/payment_request.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 COMPONENTS_PAYMENTS_PAYMENT_REQUEST_H_
-#define COMPONENTS_PAYMENTS_PAYMENT_REQUEST_H_
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "components/autofill/core/browser/personal_data_manager.h"
-#include "components/payments/currency_formatter.h"
-#include "components/payments/payment_request.mojom.h"
-#include "components/payments/payment_request_delegate.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-namespace autofill {
-class AutofillProfile;
-class CreditCard;
-}
-
-namespace content {
-class WebContents;
-}
-
-namespace payments {
-
-class PaymentRequestWebContentsManager;
-
-class PaymentRequest : payments::mojom::PaymentRequest {
- public:
-  PaymentRequest(
-      content::WebContents* web_contents,
-      std::unique_ptr<PaymentRequestDelegate> delegate,
-      PaymentRequestWebContentsManager* manager,
-      mojo::InterfaceRequest<payments::mojom::PaymentRequest> request);
-  ~PaymentRequest() override;
-
-  // payments::mojom::PaymentRequest "stub"
-  void Init(payments::mojom::PaymentRequestClientPtr client,
-            std::vector<payments::mojom::PaymentMethodDataPtr> method_data,
-            payments::mojom::PaymentDetailsPtr details,
-            payments::mojom::PaymentOptionsPtr options) override;
-  void Show() override;
-  void UpdateWith(payments::mojom::PaymentDetailsPtr details) override {}
-  void Abort() override;
-  void Complete(payments::mojom::PaymentComplete result) override {}
-  void CanMakePayment() override {}
-
-  // Called when the user explicitely cancelled the flow. Will send a message
-  // to the renderer which will indirectly destroy this object (through
-  // OnConnectionTerminated).
-  void UserCancelled();
-
-  // As a result of a browser-side error or renderer-initiated mojo channel
-  // closure (e.g. there was an error on the renderer side, or payment was
-  // successful), this method is called. It is responsible for cleaning up,
-  // such as possibly closing the dialog.
-  void OnConnectionTerminated();
-
-  // 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);
-
-  // Returns the appropriate Autofill Profiles for this user. On the first
-  // invocation of either getter, the profiles are fetched from the
-  // PersonalDataManager; on subsequent invocations, a cached version is
-  // returned. The profiles returned are owned by the request object.
-  const std::vector<autofill::AutofillProfile*>& shipping_profiles();
-  const std::vector<autofill::AutofillProfile*>& contact_profiles();
-
-  // Gets/sets the Autofill Profile representing the shipping address or contact
-  // information currently selected for this PaymentRequest flow. Can return
-  // null.
-  autofill::AutofillProfile* selected_shipping_profile() const {
-    return selected_shipping_profile_;
-  }
-  void set_selected_shipping_profile(autofill::AutofillProfile* profile) {
-    selected_shipping_profile_ = profile;
-  }
-  autofill::AutofillProfile* selected_contact_profile() const {
-    return selected_contact_profile_;
-  }
-  void set_selected_contact_profile(autofill::AutofillProfile* profile) {
-    selected_contact_profile_ = profile;
-  }
-
-  const std::vector<autofill::CreditCard*>& credit_cards() {
-    return credit_cards_;
-  }
-
-  // Returns the currently selected credit card for this PaymentRequest flow.
-  // It's not guaranteed to be complete. Returns nullptr if there is no selected
-  // card.
-  autofill::CreditCard* selected_credit_card() { return selected_credit_card_; }
-
-  void set_selected_credit_card(autofill::CreditCard* credit_card) {
-    selected_credit_card_ = credit_card;
-  }
-
-  autofill::PersonalDataManager* personal_data_manager() {
-    return delegate_->GetPersonalDataManager();
-  }
-
-  payments::mojom::PaymentDetails* details() { return details_.get(); }
-  const std::vector<std::string>& supported_card_networks() {
-    return supported_card_networks_;
-  }
-  content::WebContents* web_contents() { return web_contents_; }
-
- private:
-  // Fetches the Autofill Profiles for this user from the PersonalDataManager,
-  // and stores copies of them, owned by this Request, in profile_cache_.
-  void PopulateProfileCache();
-
-  // Sets the default values for the selected Shipping and Contact profiles, as
-  // well as the selected Credit Card.
-  void SetDefaultProfileSelections();
-
-  // Validates the |method_data| and fills |supported_card_networks_|.
-  void PopulateValidatedMethodData(
-      const std::vector<payments::mojom::PaymentMethodDataPtr>& method_data);
-
-  content::WebContents* web_contents_;
-  std::unique_ptr<PaymentRequestDelegate> delegate_;
-  // |manager_| owns this PaymentRequest.
-  PaymentRequestWebContentsManager* manager_;
-  mojo::Binding<payments::mojom::PaymentRequest> binding_;
-  payments::mojom::PaymentRequestClientPtr client_;
-  payments::mojom::PaymentDetailsPtr details_;
-  std::unique_ptr<CurrencyFormatter> currency_formatter_;
-  // A set of supported basic card networks.
-  std::vector<std::string> supported_card_networks_;
-
-  // Profiles may change due to (e.g.) sync events, so profiles are cached after
-  // loading and owned here. They are populated once only, and ordered by
-  // frecency.
-  std::vector<std::unique_ptr<autofill::AutofillProfile>> profile_cache_;
-  std::vector<autofill::AutofillProfile*> shipping_profiles_;
-  std::vector<autofill::AutofillProfile*> contact_profiles_;
-  autofill::AutofillProfile* selected_shipping_profile_;
-  autofill::AutofillProfile* selected_contact_profile_;
-  std::vector<std::unique_ptr<autofill::CreditCard>> card_cache_;
-  std::vector<autofill::CreditCard*> credit_cards_;
-  autofill::CreditCard* selected_credit_card_;
-
-  DISALLOW_COPY_AND_ASSIGN(PaymentRequest);
-};
-
-}  // namespace payments
-
-#endif  // COMPONENTS_PAYMENTS_PAYMENT_REQUEST_H_