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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_GEO_AUTOFILL_COUNTRY_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_GEO_AUTOFILL_COUNTRY_H_
#include <optional>
#include <string>
#include <string_view>
#include "base/feature_list.h"
#include "components/autofill/core/browser/country_type.h"
#include "components/autofill/core/browser/field_types.h"
#include "components/autofill/core/browser/geo/country_data.h"
#include "components/autofill/core/common/autofill_features.h"
#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_field.h"
namespace autofill {
class LogBuffer;
// Stores data associated with a country. Strings are localized to the app
// locale.
class AutofillCountry {
public:
// Returns country data corresponding to the two-letter ISO code
// `country_code`.
// `locale` is used to translate the `name()` appropriately and can be ignored
// if the name is not queried.
explicit AutofillCountry(
std::string_view country_code,
std::optional<std::string_view> locale = std::nullopt);
AutofillCountry(const AutofillCountry&) = delete;
AutofillCountry& operator=(const AutofillCountry&) = delete;
~AutofillCountry();
// Autofill relies on libaddressinput for its address format.
// AddressFormatExtensions are used to extend this format on a country-by-
// country basis. This is needed because while some field types are not
// strictly required for a valid address, we nonetheless see them in practice
// and want to offer filling support.
// This struct defines that a certain `type` is considered part of the address
// format in Autofill, specifies its `label` and placement after the existing
// type `placed_after` in the settings-UI.
// `large_sized` indicates if the field stretches the entire line (true) or
// half the line (false).
struct AddressFormatExtension {
FieldType type;
int label_id;
FieldType placed_after;
// Usually " " or "\n". Should not be empty.
std::string_view separator_before_label;
bool large_sized;
};
// Returns the likely country code for `locale`, or "US" as a fallback if no
// mapping from the locale is available.
static std::string CountryCodeForLocale(std::string_view locale);
// Returns an uppercase ISO 3166-1 alpha-2 country code, which represents our
// best guess for the country a user is likely to use when inputting a new
// address. This is used as the default in settings and on form import, if no
// country field was observed in the submitted form.
static AddressCountryCode GetDefaultCountryCodeForNewAddress(
const GeoIpCountryCode& geo_ip_country_code,
std::string_view locale);
// Gets all the `AddressFormatExtension`s available for `country_code()`.
base::span<const AddressFormatExtension> address_format_extensions() const;
// Returns true if the given `field_type` is part of Autofill's address
// format for `country_code()`.
bool IsAddressFieldSettingAccessible(FieldType field_type) const;
// Returns true if the given `field_type` is considered required.
// Not to be confused with libaddressinput's requirements, it has its
// own set of required fields.
bool IsAddressFieldRequired(FieldType field_type) const;
// The `country_code` provided to the constructor, with aliases like "GB"
// replaced by their canonical version ("UK", in this case).
const std::string& country_code() const { return country_code_; }
// Returns the name of the country translated into the `locale` provided to
// the constructor. If no `locale` was provided, an empty string is returned.
const std::u16string& name() const { return name_; }
// City is expected in a complete address for this country.
bool requires_city() const {
return (required_fields_for_address_import_ & ADDRESS_REQUIRES_CITY) != 0;
}
// State is expected in a complete address for this country.
bool requires_state() const {
return (required_fields_for_address_import_ & ADDRESS_REQUIRES_STATE) != 0;
}
// Zip is expected in a complete address for this country.
bool requires_zip() const {
return (required_fields_for_address_import_ & ADDRESS_REQUIRES_ZIP) != 0;
}
// An address line1 is expected in a complete address for this country.
bool requires_line1() const {
return (required_fields_for_address_import_ & ADDRESS_REQUIRES_LINE1) != 0;
}
// True if a complete address is expected to either contain a state or a ZIP
// code. Not true if the address explicitly needs both.
bool requires_zip_or_state() const {
return (required_fields_for_address_import_ &
ADDRESS_REQUIRES_ZIP_OR_STATE) != 0;
}
bool requires_line1_or_house_number() const {
return (required_fields_for_address_import_ &
ADDRESS_REQUIRES_LINE1_OR_HOUSE_NUMBER);
}
private:
// The two-letter ISO-3166 country code.
std::string country_code_;
// The country's name, localized to the app locale.
std::u16string name_;
// Required fields for an address import for the country.
RequiredFieldsForAddressImport required_fields_for_address_import_;
};
LogBuffer& operator<<(LogBuffer& buffer, const AutofillCountry& country);
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CORE_BROWSER_GEO_AUTOFILL_COUNTRY_H_
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