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 BLUETOOTH_HFP_HF_OBSERVER_IMPL_H 17 #define BLUETOOTH_HFP_HF_OBSERVER_IMPL_H 18 19 #include <shared_mutex> 20 21 #include "bluetooth_hfp_ag.h" 22 #include "bluetooth_hfp_utils.h" 23 #include "ffi_remote_data.h" 24 25 namespace OHOS { 26 namespace Bluetooth { 27 const char* const STR_BT_HANDS_FREE_UNIT_OBSERVER_CONNECTION_STATE_CHANGE = "connectionStateChange"; 28 29 class HandsFreeUnitObserverImpl : public HandsFreeAudioGatewayObserver, public OHOS::FFI::FFIData { 30 DECL_TYPE(HandsFreeUnitObserverImpl, OHOS::FFI::FFIData); 31 32 public: HandsFreeUnitObserverImpl()33 HandsFreeUnitObserverImpl() {}; 34 ~HandsFreeUnitObserverImpl() override = default; 35 void RegisterStateChangeFunc(std::function<void(StateChangeParam)> cjCallback); 36 void OnConnectionStateChanged(const BluetoothRemoteDevice& device, int state, int cause) override; 37 void OnScoStateChanged(const BluetoothRemoteDevice& device, int state, int reason = 0) override {}; 38 OnActiveDeviceChanged(const BluetoothRemoteDevice & device)39 void OnActiveDeviceChanged(const BluetoothRemoteDevice& device) override {} OnHfEnhancedDriverSafetyChanged(const BluetoothRemoteDevice & device,int indValue)40 void OnHfEnhancedDriverSafetyChanged(const BluetoothRemoteDevice& device, int indValue) override {} OnHfpStackChanged(const BluetoothRemoteDevice & device,int action)41 void OnHfpStackChanged(const BluetoothRemoteDevice& device, int action) override {} 42 43 private: 44 std::function<void(StateChangeParam)> stateChangeFunc { nullptr }; 45 }; 46 47 } // namespace Bluetooth 48 } // namespace OHOS 49 #endif /* BLUETOOTH_HFP_HF_OBSERVER_IMPL_H */