1 /* 2 * Copyright (c) 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_RESOURCESCHEDULE_BACKGROUND_TASK_MGR_SERVICES_RESOURCES_INCLUDE_RESOURCES_SUBSCRIBER_MGR_H 17 #define FOUNDATION_RESOURCESCHEDULE_BACKGROUND_TASK_MGR_SERVICES_RESOURCES_INCLUDE_RESOURCES_SUBSCRIBER_MGR_H 18 19 #include <list> 20 #include <map> 21 #include <memory> 22 #include <algorithm> 23 24 #include "singleton.h" 25 #include "iremote_object.h" 26 27 #include "bgtaskmgr_inner_errors.h" 28 #include "ibackground_task_subscriber.h" 29 30 namespace OHOS { 31 namespace BackgroundTaskMgr { 32 class ObserverDeathRecipient; 33 enum class EfficiencyResourcesEventType: uint32_t { 34 APP_RESOURCE_APPLY, 35 APP_RESOURCE_RESET, 36 RESOURCE_APPLY, 37 RESOURCE_RESET, 38 }; 39 40 class ResourcesSubscriberMgr : public std::enable_shared_from_this<ResourcesSubscriberMgr> { 41 DECLARE_DELAYED_SINGLETON(ResourcesSubscriberMgr); 42 public: 43 ErrCode AddSubscriber(const sptr<IBackgroundTaskSubscriber> &subscriber); 44 ErrCode RemoveSubscriber(const sptr<IBackgroundTaskSubscriber> &subscriber); 45 void OnResourceChanged(const std::shared_ptr<ResourceCallbackInfo> &callbackInfo, 46 EfficiencyResourcesEventType type); 47 void HandleSubscriberDeath(const wptr<IRemoteObject>& remote); 48 49 private: 50 std::mutex subscriberLock_; 51 std::list<sptr<IBackgroundTaskSubscriber>> subscriberList_ {}; 52 sptr<ObserverDeathRecipient> deathRecipient_ {nullptr}; 53 }; 54 55 class ObserverDeathRecipient final : public IRemoteObject::DeathRecipient { 56 public: 57 DISALLOW_COPY_AND_MOVE(ObserverDeathRecipient); 58 explicit ObserverDeathRecipient(); 59 ~ObserverDeathRecipient() override; 60 void OnRemoteDied(const wptr<IRemoteObject>& remote) override; 61 }; 62 } // namespace BackgroundTaskMgr 63 } // namespace OHOS 64 #endif // FOUNDATION_RESOURCESCHEDULE_BACKGROUND_TASK_MGR_SERVICES_RESOURCES_INCLUDE_RESOURCES_SUBSCRIBER_MGR_H