1 /*
2  * Copyright (c) 2021-2022 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 #include <limits.h>
23 #include <string>
24 
25 #include "base/utils/macros.h"
26 
27 namespace OHOS::Ace {
28 constexpr int32_t DEFAULT_HOURS_WEST = -8;
29 
30 /**
31 * The GetMicroTickCount function get current microseconds since the system was started.
32 */
33 ACE_FORCE_EXPORT int64_t GetMicroTickCount();
34 
35 int64_t GetSysTimestamp();
36 
37 /**
38 * return milliseconds to 1970-1-1 0:0:0
39 */
40 int64_t GetCurrentTimestamp();
41 int64_t GetCurrentTimestampMicroSecond();
42 std::string ConvertTimestampToStr(int64_t timestamp);
43 
44 struct TimeOfNow final {
45     explicit TimeOfNow(double hoursWest = INT_MAX) : hoursWest_(hoursWest) {}
46     ~TimeOfNow() = default;
47 
48     // hours west of Greenwich, for e.g., [hoursWest] is [-8] in  UTC+8.
49     // Valid range of [hoursWest] is [-14, 12]. Set default value to DBL_MAX to use current time zone by default.
50     int32_t hoursWest_ = INT_MAX;
51     int32_t second_ = 0;
52     int32_t minute_ = 0;
53     int32_t hour12_ = 0;    // 12-hour clock
54     int32_t hour24_ = 0;    // 24-hour clock
55     int64_t timeUsec_ = 0L; // microsecond. 1 second = 1000 millisecond = 1000000 microsecond
56 };
57 
58 bool IsHoursWestValid(int32_t& hoursWest);
59 
60 TimeOfNow GetTimeOfNow(int32_t hoursWest = INT_MAX);
61 
62 bool IsDayTime(const TimeOfNow& timeOfNow);
63 
64 struct TimeOfZone final {
65     explicit TimeOfZone(int32_t hoursWest = DEFAULT_HOURS_WEST) : hoursWest_(hoursWest) {}
66     ~TimeOfZone() = default;
67 
68     // hours west of Greenwich, for e.g., [hoursWest] is [-8] in  UTC+8.
69     // Valid range of [hoursWest] is [-14, 12].
70     // Set default value to DEFAULT_HOURS_WEST to use current time zone by default.
71     int32_t hoursWest_ = DEFAULT_HOURS_WEST;
72     int32_t second_ = 0;
73     int32_t minute_ = 0;
74     int32_t hour12_ = 0;    // 12-hour clock
75     int32_t hour24_ = 0;    // 24-hour clock
76     int64_t timeUsec_ = 0L; // microsecond. 1 second = 1000 millisecond = 1000000 microsecond
77 };
78 
79 bool HoursWestIsValid(int32_t& hoursWest);
80 
81 TimeOfZone GetTimeOfZone(int32_t hoursWest = DEFAULT_HOURS_WEST);
82 
83 bool IsDayTime(const TimeOfZone& timeOfZone);
84 
85 } // namespace OHOS::Ace
86 
87 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_TIME_UTIL_H
88