Layered component for web payments

components/payments/address_normalizer.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_ADDRESS_NORMALIZER_H_
-#define COMPONENTS_PAYMENTS_ADDRESS_NORMALIZER_H_
-
-#include "base/macros.h"
-#include "components/autofill/core/browser/autofill_profile.h"
-#include "third_party/libaddressinput/chromium/chrome_address_validator.h"
-
-using autofill::AutofillProfile;
-
-namespace payments {
-
-// A class used to normalize addresses.
-class AddressNormalizer : public autofill::LoadRulesListener {
- public:
-  // The interface for the normalization delegates.
-  class Delegate {
-   public:
-    virtual void OnAddressNormalized(
-        const autofill::AutofillProfile& normalized_profile) = 0;
-
-    virtual void OnCouldNotNormalize(
-        const autofill::AutofillProfile& profile) = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  // The interface for the normalization request.
-  class Request {
-   public:
-    virtual void OnRulesLoaded(bool success) = 0;
-    virtual ~Request() {}
-  };
-
-  AddressNormalizer(std::unique_ptr<i18n::addressinput::Source> source,
-                    std::unique_ptr<i18n::addressinput::Storage> storage);
-  ~AddressNormalizer() override;
-
-  // Start loading the validation rules for the specified |region_code|.
-  virtual void LoadRulesForRegion(const std::string& region_code);
-
-  // Returns whether the rules for the specified |region_code| have finished
-  // loading.
-  bool AreRulesLoadedForRegion(const std::string& region_code);
-
-  // Starts the normalization of the |profile| based on the |region_code|. The
-  // normalized profile will be returned to the |requester| possibly
-  // asynchronously. If the normalization is not completed in |timeout_seconds|
-  // the requester will be informed and the request cancelled. This value should
-  // be greater or equal to 0, for which it means that the normalization should
-  // happen synchronously, or not at all if the rules are not already loaded.
-  // Will start loading the rules for the |region_code| if they had not started
-  // loading.
-  void StartAddressNormalization(const autofill::AutofillProfile& profile,
-                                 const std::string& region_code,
-                                 int timeout_seconds,
-                                 Delegate* requester);
-
- private:
-  // Called when the validation rules for the |region_code| have finished
-  // loading. Implementation of the LoadRulesListener interface.
-  void OnAddressValidationRulesLoaded(const std::string& region_code,
-                                      bool success) override;
-
-  // Map associating a region code to pending normalizations.
-  std::map<std::string, std::vector<std::unique_ptr<Request>>>
-      pending_normalization_;
-
-  // The address validator used to normalize addresses.
-  autofill::AddressValidator address_validator_;
-
-  DISALLOW_COPY_AND_ASSIGN(AddressNormalizer);
-};
-
-}  // namespace payments
-
-#endif  // COMPONENTS_PAYMENTS_ADDRESS_NORMALIZER_H_