1 /* 2 * Copyright (c) 2025 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 APPSTATE_OBSERVER_H 17 #define APPSTATE_OBSERVER_H 18 19 #include "app_mgr_client.h" 20 #include "io_message_listener.h" 21 22 namespace OHOS { 23 namespace FileManagement { 24 namespace CloudDisk { 25 class AppStateObserverManager { 26 public: 27 AppStateObserverManager() = default; 28 ~AppStateObserverManager() = default; 29 static AppStateObserverManager &GetInstance(); 30 void SubscribeAppState(const std::vector<std::string> &bundleNameList); 31 void UnSubscribeAppState(); 32 33 protected: 34 sptr<OHOS::AppExecFwk::ApplicationStateObserverStub> appStateObserver_ = nullptr; 35 }; 36 37 class AppStateObserver : public OHOS::AppExecFwk::ApplicationStateObserverStub { 38 public: AppStateObserver()39 AppStateObserver() {}; 40 ~AppStateObserver() override = default; 41 42 void OnForegroundApplicationChanged(const AppExecFwk::AppStateData &appStateData) override; 43 }; 44 } // namespace CloudDisk 45 } // namespace FileManagement 46 } // namespace OHOS 47 #endif // APPSTATE_OBSERVER_H