1 /* 2 * Copyright (C) 2021 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_BLUETOOTH_CONNECTION_H 17 #define TELEPHONY_BLUETOOTH_CONNECTION_H 18 19 #include <memory> 20 #include <string> 21 22 #include "singleton.h" 23 #include "unordered_map" 24 25 #ifdef ABILITY_BLUETOOTH_SUPPORT 26 #include "bluetooth_hfp_ag.h" 27 #endif 28 29 namespace OHOS { 30 namespace Telephony { 31 enum BtScoState { 32 SCO_STATE_UNKNOWN = 0, 33 SCO_STATE_CONNECTED, 34 SCO_STATE_DISCONNECTED, 35 SCO_STATE_PENDING, 36 }; 37 38 #ifdef ABILITY_BLUETOOTH_SUPPORT 39 class BluetoothConnection : public OHOS::Bluetooth::HandsFreeAudioGatewayObserver { 40 #else 41 class BluetoothConnection { 42 #endif 43 DECLARE_DELAYED_SINGLETON(BluetoothConnection) 44 public: 45 void Init(); 46 bool ConnectBtSco(); 47 bool ConnectBtSco(const std::string &bluetoothAddress); 48 bool DisconnectBtSco(); 49 bool IsBtScoConnected(); 50 BtScoState GetBtScoState(); 51 void SetBtScoState(BtScoState state); 52 int32_t SendBtCallState(int32_t numActive, int32_t numHeld, int32_t callState, const std::string &number); 53 void RemoveBtDevice(const std::string &address); 54 bool IsBtAvailble(); 55 56 #ifdef ABILITY_BLUETOOTH_SUPPORT 57 void OnScoStateChanged(const Bluetooth::BluetoothRemoteDevice &device, int32_t state) override; 58 void OnConnectionStateChanged(const Bluetooth::BluetoothRemoteDevice &device, int32_t state) override; 59 Bluetooth::BluetoothRemoteDevice *GetBtDevice(const std::string &address); 60 void AddBtDevice(const std::string &address, Bluetooth::BluetoothRemoteDevice device); 61 #endif 62 63 private: 64 bool IsAudioActivated(); 65 BtScoState btScoState_ = BtScoState::SCO_STATE_DISCONNECTED; 66 std::string connectedScoAddr_; 67 68 #ifdef ABILITY_BLUETOOTH_SUPPORT 69 bool ConnectBtSco(const Bluetooth::BluetoothRemoteDevice &device); 70 bool DisconnectBtSco(const Bluetooth::BluetoothRemoteDevice &device); 71 72 private: 73 std::unordered_map<std::string, Bluetooth::BluetoothRemoteDevice> mapConnectedBtDevices_; 74 #endif 75 }; 76 } // namespace Telephony 77 } // namespace OHOS 78 #endif 79