1 /* 2 * Copyright (c) 2023-2024 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_I18N_I18N_SERVICE_ABILITY_H 17 #define OHOS_GLOBAL_I18N_I18N_SERVICE_ABILITY_H 18 19 #include "event_handler.h" 20 #include "i18n_service_ability_stub.h" 21 #include "i18n_service_event.h" 22 #include "system_ability.h" 23 24 namespace OHOS { 25 namespace Global { 26 namespace I18n { 27 class I18nServiceAbility : public SystemAbility, public I18nServiceAbilityStub { 28 DECLARE_SYSTEM_ABILITY(I18nServiceAbility); 29 public: 30 DISALLOW_COPY_AND_MOVE(I18nServiceAbility); 31 I18nServiceAbility(int32_t saId, bool runOnCreate); 32 ~I18nServiceAbility(); 33 34 // The following are the i18n service implement functions. 35 ErrCode SetSystemLanguage(const std::string& language, int32_t& code) override; 36 ErrCode SetSystemRegion(const std::string& region, int32_t& code) override; 37 ErrCode SetSystemLocale(const std::string& locale, int32_t& code) override; 38 ErrCode Set24HourClock(const std::string& flag, int32_t& code) override; 39 ErrCode SetUsingLocalDigit(bool flag, int32_t& code) override; 40 ErrCode AddPreferredLanguage(const std::string& language, int32_t index, int32_t& code) override; 41 ErrCode RemovePreferredLanguage(int32_t index, int32_t& code) override; 42 ErrCode SetTemperatureType(int32_t type, int32_t& code) override; 43 ErrCode SetFirstDayOfWeek(int32_t type, int32_t& code) override; 44 ErrCode GetSystemCollations(std::unordered_map<std::string, std::string>& systemCollations, 45 int32_t& code) override; 46 ErrCode GetUsingCollation(std::string& usingCollation, int32_t& code) override; 47 ErrCode SetSystemCollation(const std::string& identifier, int32_t& code) override; 48 ErrCode GetSystemNumberingSystems(std::unordered_map<std::string, std::string>& systemNumberingSystems, 49 int32_t& code) override; 50 ErrCode GetUsingNumberingSystem(std::string& usingNumberingSystem, int32_t& code) override; 51 ErrCode SetSystemNumberingSystem(const std::string& identifier, int32_t& code) override; 52 ErrCode GetSystemNumberPatterns(std::unordered_map<std::string, std::string>& systemNumberPatterns, 53 int32_t& code) override; 54 ErrCode GetUsingNumberPattern(std::string& usingNumberPattern, int32_t& code) override; 55 ErrCode SetSystemNumberPattern(const std::string& pattern, int32_t& code) override; 56 ErrCode GetSystemMeasurements(std::unordered_map<std::string, std::string>& systemMeasurements, 57 int32_t& code) override; 58 ErrCode GetUsingMeasurement(std::string& identifier, int32_t& code) override; 59 ErrCode SetSystemMeasurement(const std::string& identifier, int32_t& code) override; 60 ErrCode GetSystemNumericalDatePatterns(std::unordered_map<std::string, std::string>& numericalDatePatterns, 61 int32_t& code) override; 62 ErrCode GetUsingNumericalDatePattern(std::string& identifier, int32_t& code) override; 63 ErrCode SetSystemNumericalDatePattern(const std::string& identifier, int32_t& code) override; 64 ErrCode GetLanguageFromUserId(int32_t userId, std::string& language) override; 65 66 protected: 67 /** 68 * @brief Called when i18n service start. 69 */ 70 void OnStart(const SystemAbilityOnDemandReason& startReason) override; 71 72 /** 73 * @brief Called when i18n service stop. 74 */ 75 void OnStop() override; 76 77 /** 78 * @brief Called when i18n service unload. 79 */ 80 int32_t OnIdle(const SystemAbilityOnDemandReason& idleReason) override; 81 82 private: 83 enum class ModifyTaskNumber { 84 DECREASE = -1, 85 QUERY = 0, 86 INCREASE = 1 87 }; 88 /** 89 * @brief Trigger unload i18n service after one request finished, but service will not unload 90 * until there no request in 10s. 91 */ 92 void DelayUnloadI18nServiceAbility(); 93 int32_t UpdateTaskNumber(ModifyTaskNumber action); 94 void StartTask(int32_t pid); 95 void FinishTask(int32_t pid); 96 int32_t GetCallingUserId(); 97 I18nErrorCode CheckPermission(); 98 I18nErrorCode CheckSystemPermission(); 99 I18nErrorCode CheckUpdatePermission(); 100 // i18n service unload event handler. 101 std::shared_ptr<AppExecFwk::EventHandler> handler = nullptr; 102 std::unique_ptr<I18nServiceEvent> i18nServiceEvent = nullptr; 103 std::mutex taskNumberMutex; 104 int32_t taskNumber; 105 }; 106 } // namespace I18n 107 } // namespace Global 108 } // namespace OHOS 109 #endif // OHOS_GLOBAL_I18N_I18N_SERVICE_ABILITY_H