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 OHOS_MECH_SUBSCRIPTION_CENTER_H 17 #define OHOS_MECH_SUBSCRIPTION_CENTER_H 18 19 #include <map> 20 #include <mutex> 21 #include <string> 22 23 #include "mc_command_base.h" 24 #include "mc_event_listener.h" 25 #include "mechbody_controller_log.h" 26 #include "mc_data_buffer.h" 27 28 namespace OHOS { 29 namespace MechBodyController { 30 class SubscriptionCenter { 31 public: 32 static SubscriptionCenter& GetInstance(); 33 private: 34 SubscriptionCenter() = default; 35 ~SubscriptionCenter() = default; 36 SubscriptionCenter(const SubscriptionCenter&) = delete; 37 SubscriptionCenter& operator= (const SubscriptionCenter&) = delete; 38 SubscriptionCenter(SubscriptionCenter&&) = delete; 39 SubscriptionCenter& operator= (SubscriptionCenter&&) = delete; 40 41 public: 42 int32_t Subscribe(uint16_t type, const std::shared_ptr<IMechEventListener> &listener); 43 int32_t UnSubscribe(uint16_t type, const std::shared_ptr<IMechEventListener> &listener); 44 int32_t Notify(const std::shared_ptr<CommandBase> &cmd); 45 46 private: 47 mutable std::mutex mutex_; 48 std::map<uint16_t, std::vector<std::shared_ptr<IMechEventListener>>> subscribers_; 49 }; 50 } // namespace MechBodyController 51 } // namespace OHOS 52 #endif // OHOS_MECH_SUBSCRIPTION_CENTER_H 53