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 TIME_TICK_NOTIFY_H
17 #define TIME_TICK_NOTIFY_H
18 
19 #include <mutex>
20 
21 namespace OHOS {
22 namespace MiscServices {
23 class TimeTickNotify {
24 public:
25     static TimeTickNotify &GetInstance();
26     TimeTickNotify();
27     ~TimeTickNotify();
28     void Init();
29     void Callback();
30     void Stop();
31 
32 private:
33     std::pair<uint64_t, bool> RefreshNextTriggerTime();
34     uint64_t timerId_;
35     std::mutex timeridMutex_;
36     int64_t lastTriggerTime_ = 0;
37 };
38 } // namespace MiscServices
39 } // namespace OHOS
40 #endif