1 /* 2 * Copyright (c) 2021 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 FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_TIME_UTIL_H 17 #define FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_TIME_UTIL_H 18 19 #include <cstdint> 20 #include <ctime> 21 #include <float.h> 22 23 #include "base/utils/macros.h" 24 25 namespace OHOS::Ace { 26 27 /** 28 * The GetMicroTickCount function get current microseconds since the system was started. 29 */ 30 ACE_EXPORT int64_t GetMicroTickCount(); 31 32 int64_t GetSysTimestamp(); 33 34 struct TimeOfNow final { hoursWest_final35 explicit TimeOfNow(double hoursWest = DBL_MAX) : hoursWest_(hoursWest) {} 36 ~TimeOfNow() = default; 37 38 // hours west of Greenwich, for e.g., [hoursWest] is [-8] in UTC+8. 39 // Valid range of [hoursWest] is [-14, 12]. Set default value to DBL_MAX to use current time zone by default. 40 double hoursWest_ = DBL_MAX; 41 int32_t second_ = 0; 42 double minute_ = 0.0; 43 double hour12_ = 0.0; // 12-hour clock 44 double hour24_ = 0.0; // 24-hour clock 45 long timeUsec_ = 0L; // microsecond. 1 second = 1000 millisecond = 1000000 microsecond 46 }; 47 48 bool IsHoursWestValid(double& hoursWest); 49 50 TimeOfNow GetTimeOfNow(double hoursWest = DBL_MAX); 51 52 bool IsDayTime(const TimeOfNow& timeOfNow); 53 54 } // namespace OHOS::Ace 55 56 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_TIME_UTIL_H 57