1 /* 2 * Copyright (c) 2022-2023 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 OHOS_MEMORY_MEMMGR_EVENT_CENTER_H 17 #define OHOS_MEMORY_MEMMGR_EVENT_CENTER_H 18 19 #include "single_instance.h" 20 #include "event_handler.h" 21 #include "extension_connection_observer.h" 22 #include "common_event_observer.h" 23 #include "account_observer.h" 24 #include "memory_pressure_observer.h" 25 #ifdef CONFIG_BGTASK_MGR 26 #include "bg_task_observer.h" 27 #endif 28 #include "system_ability_definition.h" 29 #include "app_mgr_interface.h" 30 #include "iservice_registry.h" 31 #include "app_process_data.h" 32 #include "app_mgr_client.h" 33 #include "app_state_observer.h" 34 35 namespace OHOS { 36 namespace Memory { 37 enum RegisterEvent : int64_t { 38 REG_ALLOBS_EVENT = 0, 39 REG_MEMPRESSOBS_EVENT, 40 REG_APPOBS_EVENT, 41 REG_EXTOBS_EVENT, 42 REG_ACCOUNTOBS_EVENT, 43 REG_COMMONOBS_EVENT, 44 REG_BGTASKOBS_EVENT, 45 }; 46 47 class MemMgrEventCenter { 48 DECLARE_SINGLE_INSTANCE_BASE(MemMgrEventCenter); 49 50 public: 51 ~MemMgrEventCenter(); 52 bool Init(); 53 void RetryRegisterEventObserver(int32_t systemAbilityId); 54 void Dump(int fd); 55 void RemoveEventObserver(int32_t systemAbilityId); 56 private: 57 MemMgrEventCenter(); 58 bool CreateRegisterHandler(); 59 void UnregisterEventObserver(); 60 bool RegisterEventObserver(); 61 void RegisterBgTaskObserver(); 62 void RegisterAccountObserver(); 63 void RegisterExtConnObserver(); 64 void RegisterAppStateObserver(); 65 void RegisterCommonEventObserver(); 66 void RegisterMemoryPressureObserver(); 67 void HandlerRegisterEvent(int64_t registerEventId); 68 int regAccountObsRetry_ = 0; 69 int regAppStatusObsRetry_ = 0; 70 std::unique_ptr<AppExecFwk::AppMgrClient> appMgrClient_; 71 std::shared_ptr<AppExecFwk::EventHandler> regObsHandler_; 72 std::shared_ptr<ExtensionConnectionObserver> extConnObserver_; 73 std::shared_ptr<AccountObserver> accountObserver_; 74 std::shared_ptr<CommonEventObserver> commonEventObserver_; 75 #ifdef CONFIG_BGTASK_MGR 76 std::shared_ptr<BgTaskObserver> bgTaskObserver_; 77 #endif 78 std::shared_ptr<MemoryPressureObserver> memoryPressureObserver_; 79 sptr<AppStateObserver> appStateObserver_; 80 }; 81 } // namespace Memory 82 } // namespace OHOS 83 #endif // OHOS_MEMORY_MEMMGR_EVENT_CENTER_H 84