1 /* 2 * Copyright (C) 2024-2024 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 TELEPHONY_DISTRIBUTED_COMMUNICATION_DEVICE_OBSERVER_H 17 #define TELEPHONY_DISTRIBUTED_COMMUNICATION_DEVICE_OBSERVER_H 18 19 #include "ffrt.h" 20 #include "call_manager_base.h" 21 #include "system_ability_status_change_stub.h" 22 #include "i_distributed_device_callback.h" 23 #include "i_distributed_device_state_callback.h" 24 25 namespace OHOS { 26 namespace Telephony { 27 class DistributedDeviceCallback : public IDistributedDeviceCallback { 28 public: 29 DistributedDeviceCallback() = default; 30 ~DistributedDeviceCallback() override = default; 31 int32_t OnDistributedDeviceOnline(const std::string &devId, const std::string &devName, 32 int32_t devType, int32_t devRole) override; 33 int32_t OnDistributedDeviceOffline(const std::string &devId, const std::string &devName, 34 int32_t devType, int32_t devRole) override; 35 int32_t OnDistributedAudioDeviceChange(const std::string &devId, const std::string &devName, 36 int32_t devType, int32_t devRole) override; 37 38 private: 39 AudioDeviceType ConvertDeviceType(int32_t devType); 40 }; 41 42 class DistributedSystemAbilityListener : public SystemAbilityStatusChangeStub { 43 public: 44 DistributedSystemAbilityListener() = default; 45 ~DistributedSystemAbilityListener() = default; 46 void OnAddSystemAbility(int32_t systemAbilityId, const std::string &deviceId) override; 47 void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string &deviceId) override; 48 }; 49 50 class DistributedDeviceObserver { 51 public: 52 DistributedDeviceObserver() = default; 53 ~DistributedDeviceObserver() = default; 54 void Init(); 55 void RegisterDevCallback(); 56 int32_t UnRegisterDevCallback(); 57 void RegisterDevStatusCallback(const std::shared_ptr<IDistributedDeviceStateCallback> &callback); 58 void UnRegisterDevStatusCallback(const std::shared_ptr<IDistributedDeviceStateCallback> &callback); 59 void OnDeviceOnline(const std::string &devId, const std::string &devName, AudioDeviceType devType); 60 void OnDeviceOffline(const std::string &devId, const std::string &devName, AudioDeviceType devType); 61 void OnDistributedAudioDeviceChange(const std::string &devId, const std::string &devName, 62 AudioDeviceType devType, int32_t devRole); 63 void OnRemoveSystemAbility(); 64 65 private: 66 sptr<DistributedSystemAbilityListener> saListener_{nullptr}; 67 ffrt::mutex mutex_{}; 68 std::list<std::shared_ptr<IDistributedDeviceStateCallback>> callbacks_{}; 69 std::shared_ptr<IDistributedDeviceCallback> deviceListener_{nullptr}; 70 }; 71 72 } // namespace Telephony 73 } // namespace OHOS 74 75 #endif // TELEPHONY_DISTRIBUTED_COMMUNICATION_DEVICE_OBSERVER_H 76