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 DEVICE_SECURITY_LEVEL_LOADER 17 #define DEVICE_SECURITY_LEVEL_LOADER 18 19 #include <future> 20 #include <new> 21 #include <cstdint> 22 23 #include "refbase.h" 24 #include "iremote_object.h" 25 #include "singleton.h" 26 #include "system_ability_load_callback_stub.h" 27 28 namespace OHOS { 29 namespace Security { 30 namespace DeviceSecurityLevel { 31 using namespace OHOS; 32 class DeviceSecurityLevelLoader : public Singleton<DeviceSecurityLevelLoader> { 33 public: 34 DeviceSecurityLevelLoader() = default; 35 ~DeviceSecurityLevelLoader() override = default; 36 sptr<IRemoteObject> LoadDslmService(); 37 38 private: 39 class LoadCallback : public SystemAbilityLoadCallbackStub { 40 public: 41 void OnLoadSystemAbilitySuccess(int32_t sid, const sptr<IRemoteObject> &object) override; 42 void OnLoadSystemAbilityFail(int32_t sid) override; 43 sptr<IRemoteObject> Promise(); 44 45 private: 46 std::promise<sptr<IRemoteObject>> promise_; 47 }; 48 }; 49 } // namespace DeviceSecurityLevel 50 } // namespace Security 51 } // namespace OHOS 52 53 #endif // DEVICE_SECURITY_LEVEL_LOADER