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 "timer.h" 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 void PowerCallback(); 32 private: 33 void StartTimer(); 34 void RefreshNextTriggerTime(); 35 uint64_t GetMillisecondsFromUTC(uint64_t UTCtimeNano); 36 Utils::Timer timer_; 37 uint32_t timerId_; 38 uint64_t nextTriggerTime_; 39 }; 40 } // namespace MiscServices 41 } // namespace OHOS 42 #endif