1 /* 2 * Copyright (c) 2021 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 DISTRIBUTEDDATAMGR_UNINSTALLER_IMPL_H 17 #define DISTRIBUTEDDATAMGR_UNINSTALLER_IMPL_H 18 19 #include "common_event_subscriber.h" 20 #include "kvstore_data_service.h" 21 #include "uninstaller.h" 22 23 namespace OHOS::DistributedKv { 24 class UninstallEventSubscriber : public EventFwk::CommonEventSubscriber { 25 public: 26 using UninstallEventCallback = void (UninstallEventSubscriber::*) 27 (const std::string &bundleName, int32_t userId, int32_t appIndex); 28 UninstallEventSubscriber(const EventFwk::CommonEventSubscribeInfo &info, KvStoreDataService *kvStoreDataService); 29 ~UninstallEventSubscriber()30 ~UninstallEventSubscriber() {} 31 void OnReceiveEvent(const EventFwk::CommonEventData &event) override; 32 33 private: 34 static constexpr const char *USER_ID = "userId"; 35 static constexpr const char *SANDBOX_APP_INDEX = "sandbox_app_index"; 36 void OnUninstall(const std::string &bundleName, int32_t userId, int32_t appIndex); 37 void OnUpdate(const std::string &bundleName, int32_t userId, int32_t appIndex); 38 std::map<std::string, UninstallEventCallback> callbacks_; 39 KvStoreDataService *kvStoreDataService_; 40 }; 41 42 class UninstallerImpl : public Uninstaller { 43 public: 44 UninstallerImpl() = default; 45 ~UninstallerImpl(); 46 47 Status Init(KvStoreDataService *kvStoreDataService, std::shared_ptr<ExecutorPool> executors) override; 48 49 void UnsubscribeEvent() override; 50 51 private: 52 static constexpr int32_t RETRY_TIME = 300; 53 static constexpr int32_t RETRY_INTERVAL = 100; 54 int32_t retryTime_ = 0; 55 ExecutorPool::Task GetTask(); 56 std::shared_ptr<UninstallEventSubscriber> subscriber_ {}; 57 std::shared_ptr<ExecutorPool> executors_ {}; 58 }; 59 } // namespace OHOS::DistributedKv 60 #endif // DISTRIBUTEDDATAMGR_UNINSTALLER_IMPL_H 61