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1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_GLOBAL_SYSTEM_LOCALE_MANAGER_H
17 #define OHOS_GLOBAL_SYSTEM_LOCALE_MANAGER_H
18 
19 #include <string>
20 #include <vector>
21 #include "collator.h"
22 #include "taboo_utils.h"
23 
24 namespace OHOS {
25 namespace Global {
26 namespace I18n {
27 enum SuggestionType {
28     // language or region is not suggested with system region or system language.
29     SUGGESTION_TYPE_NONE = 0,
30 
31     // language is suggested with system region or region is suggested with system language.
32     SUGGESTION_TYPE_RELATED = 1,
33 
34     // language is suggested with sim card region.
35     SUGGESTION_TYPE_SIM = 2,
36 };
37 
38 struct LocaleItem {
39     // language or region code.
40     std::string id;
41 
42     // the suggestion type of language or region.
43     SuggestionType suggestionType;
44 
45     // the name of language or region in specified language.
46     std::string displayName;
47 
48     // the name of language or region in local language.
49     std::string localName;
50 };
51 
52 struct SortOptions {
53     // locale use to sort language or region.
54     std::string localeTag;
55 
56     // whether to use local name to sort language or region.
57     bool isUseLocalName;
58 
59     // whether to put the suggested item at the top
60     bool isSuggestedFirst;
61 };
62 
63 struct TimeZoneCityItem {
64     // time zone code
65     std::string zoneId;
66 
67     //city code
68     std::string cityId;
69 
70     //the display name of city
71     std::string cityDisplayName;
72 
73     //the timezone offset for the city
74     int32_t offset;
75 
76     //the display name of the timezone of the city
77     std::string zoneDisplayName;
78 
79     //the timezone raw offset for the city
80     int32_t rawOffset;
81 };
82 
83 class SystemLocaleManager {
84 public:
85     SystemLocaleManager();
86     ~SystemLocaleManager();
87 
88     /**
89      * @brief sort input languages according to SortOptions and obtain sorted result.
90      *
91      * @param languages input language array to be sorted.
92      * @param options sort options.
93      * @return std::vector<LocaleItem> sort result.
94      */
95     std::vector<LocaleItem> GetLanguageInfoArray(const std::vector<std::string> &languages,
96         const SortOptions &options);
97 
98     /**
99      * @brief sort input countries according to SortOptions and obtain sorted result.
100      *
101      * @param regions input country array to be sorted.
102      * @param options sort options.
103      * @return std::vector<LocaleItem> sort result.
104      */
105     std::vector<LocaleItem> GetCountryInfoArray(const std::vector<std::string> &countries, const SortOptions &options);
106 
107     /**
108      * @brief obtains sorted time zone city array.
109      *
110      * @return std::vector<TimeZoneCityItem> sort result.
111      */
112     static std::vector<TimeZoneCityItem> GetTimezoneCityInfoArray();
113 
114 private:
115     void SortLocaleItemList(std::vector<LocaleItem> &localeItemList, const SortOptions &options);
116     static void SortTimezoneCityItemList(const std::string &locale,
117                                          std::vector<TimeZoneCityItem> &timezoneCityItemList);
118     std::unique_ptr<TabooUtils> tabooUtils;
119     static const char* SIM_COUNTRY_CODE_KEY;
120     static constexpr int CONFIG_LEN = 128;
121 };
122 } // namespace I18n
123 } // namespace Global
124 } // namespace OHOS
125 #endif