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_A2DP_OBSERVER_IMPL_H 17 #define BLUETOOTH_A2DP_OBSERVER_IMPL_H 18 19 #include <shared_mutex> 20 21 #include "bluetooth_a2dp_src.h" 22 #include "bluetooth_a2dp_utils.h" 23 #include "ffi_remote_data.h" 24 25 namespace OHOS { 26 namespace Bluetooth { 27 28 const char* const STR_BT_A2DP_SOURCE_CONNECTION_STATE_CHANGE = "connectionStateChange"; 29 30 class A2dpSourceObserverImpl : public A2dpSourceObserver, public OHOS::FFI::FFIData { 31 DECL_TYPE(A2dpSourceObserverImpl, OHOS::FFI::FFIData); 32 33 public: A2dpSourceObserverImpl()34 A2dpSourceObserverImpl() {}; 35 ~A2dpSourceObserverImpl() override = default; 36 void OnConnectionStateChanged(const BluetoothRemoteDevice& device, int state, int cause) override; 37 void RegisterStateChangeFunc(std::function<void(StateChangeParam)> cjCallback); 38 39 private: 40 friend class A2dpSourceProfileImpl; 41 std::function<void(StateChangeParam)> stateChangeFunc { nullptr }; 42 }; 43 44 } // namespace Bluetooth 45 } // namespace OHOS 46 #endif /* NAPI_BLUETOOTH_A2DP_SRC_OBSERVER_H_ */