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 TIMER_MANAGER_H 17 #define TIMER_MANAGER_H 18 19 #include <list> 20 21 #include "singleton.h" 22 23 #include "util.h" 24 25 namespace OHOS { 26 namespace MMI { 27 class TimerManager final { 28 DECLARE_DELAYED_SINGLETON(TimerManager); 29 30 public: 31 DISALLOW_COPY_AND_MOVE(TimerManager); 32 int32_t AddTimer(int32_t intervalMs, int32_t repeatCount, std::function<void()> callback); 33 int32_t AddLongTimer(int32_t intervalMs, int32_t repeatCount, std::function<void()> callback); 34 int32_t RemoveTimer(int32_t timerId); 35 int32_t ResetTimer(int32_t timerId); 36 bool IsExist(int32_t timerId); 37 int32_t CalcNextDelay(); 38 void ProcessTimers(); 39 40 private: 41 struct TimerItem { 42 int32_t id { 0 }; 43 int32_t intervalMs { 0 }; 44 int32_t repeatCount { 0 }; 45 int32_t callbackCount { 0 }; 46 int64_t nextCallTime { 0 }; 47 std::function<void()> callback; 48 }; 49 private: 50 int32_t TakeNextTimerId(); 51 int32_t AddTimerInternal(int32_t intervalMs, int32_t repeatCount, std::function<void()> callback); 52 int32_t RemoveTimerInternal(int32_t timerId); 53 int32_t ResetTimerInternal(int32_t timerId); 54 bool IsExistInternal(int32_t timerId); 55 void InsertTimerInternal(std::unique_ptr<TimerItem>& timer); 56 int32_t CalcNextDelayInternal(); 57 void ProcessTimersInternal(); 58 59 private: 60 std::list<std::unique_ptr<TimerItem>> timers_; 61 std::recursive_mutex timerMutex_; 62 }; 63 64 #define TimerMgr ::OHOS::DelayedSingleton<TimerManager>::GetInstance() 65 } // namespace MMI 66 } // namespace OHOS 67 #endif // TIMER_MANAGER_H