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 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 class MemMgrEventCenter { 38 DECLARE_SINGLE_INSTANCE_BASE(MemMgrEventCenter); 39 40 public: 41 ~MemMgrEventCenter(); 42 bool Init(); 43 void RetryRegisterEventObserver(int32_t systemAbilityId); 44 void Dump(int fd); 45 void RemoveEventObserver(int32_t systemAbilityId); 46 private: 47 MemMgrEventCenter(); 48 bool CreateRegisterHandler(); 49 void UnregisterEventObserver(); 50 bool RegisterEventObserver(); 51 void RegisterBgTaskObserver(); 52 void RegisterAccountObserver(); 53 void RegisterExtConnObserver(); 54 void RegisterAppStateObserver(); 55 void RegisterCommonEventObserver(); 56 void RegisterMemoryPressureObserver(); 57 int regAccountObsRetry_ = 0; 58 int regAppStatusObsRetry_ = 0; 59 std::unique_ptr<AppExecFwk::AppMgrClient> appMgrClient_; 60 std::shared_ptr<AppExecFwk::EventHandler> regObsHandler_; 61 std::shared_ptr<ExtensionConnectionObserver> extConnObserver_; 62 std::shared_ptr<AccountObserver> accountObserver_; 63 std::shared_ptr<CommonEventObserver> commonEventObserver_; 64 #ifdef CONFIG_BGTASK_MGR 65 std::shared_ptr<BgTaskObserver> bgTaskObserver_; 66 #endif 67 std::shared_ptr<MemoryPressureObserver> memoryPressureObserver_; 68 sptr<AppStateObserver> appStateObserver_; 69 }; 70 } // namespace Memory 71 } // namespace OHOS 72 #endif // OHOS_MEMORY_MEMMGR_EVENT_CENTER_H 73