// Copyright 2018 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. // Please refer to ISO 3166-1 for information about the two-character country // codes; http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2 is useful. In the // following (C++) code, we pack the two letters of the country code into an int // value we call the CountryID. #ifndef COMPONENTS_COUNTRY_CODES_COUNTRY_CODES_H_ #define COMPONENTS_COUNTRY_CODES_COUNTRY_CODES_H_ #include class PrefRegistrySimple; class PrefService; namespace country_codes { // Integer containing the system Country ID the first time we checked the // template URL prepopulate data. This is used to avoid adding a whole bunch of // new search engine choices if prepopulation runs when the user's Country ID // differs from their previous Country ID. This pref does not exist until // prepopulation has been run at least once. extern const char kCountryIDAtInstall[]; const int kCountryIDUnknown = -1; // Takes in each of the two characters of a ISO 3166-1 country code, and // converts it into an int value to be used as a reference to that country. constexpr int CountryCharsToCountryID(char c1, char c2) { return c1 << 8 | c2; } void RegisterProfilePrefs(PrefRegistrySimple* registry); // Returns the identifier for the user current country. int GetCurrentCountryID(); // Converts a two-letter country code to an integer-based country identifier. int CountryStringToCountryID(const std::string& country); // Returns the country identifier that was stored at install. If no such pref // is available, it will return identifier of the current country instead. int GetCountryIDFromPrefs(PrefService* prefs); } // namespace country_codes #endif // COMPONENTS_COUNTRY_CODES_COUNTRY_CODES_H_