1 /* 2 * Copyright (c) 2024 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 #ifndef HIVIEWDFX_HIVIEW_POWER_STATUS_MANAGER_H 16 #define HIVIEWDFX_HIVIEW_POWER_STATUS_MANAGER_H 17 18 #include <map> 19 20 #include "common_event_data.h" 21 #include "common_event_subscriber.h" 22 #include "singleton.h" 23 24 namespace OHOS { 25 namespace HiviewDFX { 26 namespace UCollectUtil { 27 using namespace EventFwk; 28 29 enum PowerState { 30 SCREEN_ON = 0, 31 SCREEN_OFF = 10, 32 }; 33 34 class PowerListener { 35 public: 36 PowerListener() = default; 37 virtual ~PowerListener() = default; 38 virtual void OnScreenOn() = 0; 39 virtual void OnScreenOff() = 0; 40 41 PowerListener(const PowerListener &) = delete; 42 PowerListener& operator=(const PowerListener&) = delete; 43 }; 44 45 class PowerStateSubscriber : public CommonEventSubscriber { 46 public: PowerStateSubscriber(const CommonEventSubscribeInfo & subscribeInfo)47 PowerStateSubscriber(const CommonEventSubscribeInfo &subscribeInfo) : CommonEventSubscriber(subscribeInfo) {} 48 void OnReceiveEvent(const CommonEventData &data) override; 49 }; 50 51 class PowerStatusManager : public OHOS::DelayedRefSingleton<PowerStatusManager> { 52 public: 53 PowerStatusManager(); 54 ~PowerStatusManager(); 55 void SetPowerState(PowerState powerState); 56 int32_t GetPowerState(); 57 void AddPowerListener(const std::string &name, std::shared_ptr<PowerListener> listener); 58 void RemovePowerListener(const std::string &name); 59 60 private: 61 std::mutex mutex_; 62 int32_t powerState_; 63 std::map<std::string, std::shared_ptr<PowerListener>> listeners_; 64 std::shared_ptr<EventFwk::CommonEventSubscriber> powerStateSubscriber_ = nullptr; 65 }; 66 } 67 } 68 } 69 #endif //HIVIEWDFX_HIVIEW_POWER_STATUS_MANAGER_H 70