1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include "bt_hf.h" 20 21 namespace bluetooth { 22 namespace headset { 23 24 /** 25 * Headset related callbacks invoked from from the Bluetooth native stack 26 * All callbacks are invoked on the JNI thread 27 */ 28 class Callbacks { 29 public: 30 virtual ~Callbacks() = default; 31 /** 32 * Callback for connection state change. 33 * 34 * @param state one of the values from bthf_connection_state_t 35 * @param bd_addr remote device address 36 */ 37 virtual void ConnectionStateCallback(bthf_connection_state_t state, 38 RawAddress* bd_addr) = 0; 39 40 /** 41 * Callback for audio connection state change. 42 * 43 * @param state one of the values from bthf_audio_state_t 44 * @param bd_addr remote device address 45 */ 46 virtual void AudioStateCallback(bthf_audio_state_t state, 47 RawAddress* bd_addr) = 0; 48 49 /** 50 * Callback for VR connection state change. 51 * 52 * @param state one of the values from bthf_vr_state_t 53 * @param bd_addr 54 */ 55 virtual void VoiceRecognitionCallback(bthf_vr_state_t state, 56 RawAddress* bd_addr) = 0; 57 58 /** 59 * Callback for answer incoming call (ATA) 60 * 61 * @param bd_addr remote device address 62 */ 63 virtual void AnswerCallCallback(RawAddress* bd_addr) = 0; 64 65 /** 66 * Callback for disconnect call (AT+CHUP) 67 * 68 * @param bd_addr remote device address 69 */ 70 virtual void HangupCallCallback(RawAddress* bd_addr) = 0; 71 72 /** 73 * Callback for disconnect call (AT+CHUP) 74 * 75 * @param type denote Speaker/Mic gain bthf_volume_type_t 76 * @param volume volume value 0 to 15, p69, HFP 1.7.1 spec 77 * @param bd_addr remote device address 78 */ 79 virtual void VolumeControlCallback(bthf_volume_type_t type, int volume, 80 RawAddress* bd_addr) = 0; 81 82 /** 83 * Callback for dialing an outgoing call 84 * 85 * @param number intended phone number, if number is NULL, redial 86 * @param bd_addr remote device address 87 */ 88 virtual void DialCallCallback(char* number, RawAddress* bd_addr) = 0; 89 90 /** 91 * Callback for sending DTMF tones 92 * 93 * @param tone contains the dtmf character to be sent 94 * @param bd_addr remote device address 95 */ 96 virtual void DtmfCmdCallback(char tone, RawAddress* bd_addr) = 0; 97 98 /** 99 * Callback for enabling/disabling noise reduction/echo cancellation 100 * 101 * @param nrec 1 to enable, 0 to disable 102 * @param bd_addr remote device address 103 */ 104 virtual void NoiseReductionCallback(bthf_nrec_t nrec, 105 RawAddress* bd_addr) = 0; 106 107 /** 108 * Callback for AT+BCS and event from BAC 109 * 110 * @param wbs WBS enable, WBS disable 111 * @param bd_addr remote device address 112 */ 113 virtual void WbsCallback(bthf_wbs_config_t wbs, RawAddress* bd_addr) = 0; 114 115 /** 116 * Callback for call hold handling (AT+CHLD) 117 * 118 * @param chld the call hold command (0, 1, 2, 3) 119 * @param bd_addr remote device address 120 */ 121 virtual void AtChldCallback(bthf_chld_type_t chld, RawAddress* bd_addr) = 0; 122 123 /** 124 * Callback for CNUM (subscriber number) 125 * 126 * @param bd_addr remote device address 127 */ 128 virtual void AtCnumCallback(RawAddress* bd_addr) = 0; 129 130 /** 131 * Callback for indicators (CIND) 132 * 133 * @param bd_addr remote device address 134 */ 135 virtual void AtCindCallback(RawAddress* bd_addr) = 0; 136 137 /** 138 * Callback for operator selection (COPS) 139 * 140 * @param bd_addr remote device address 141 */ 142 virtual void AtCopsCallback(RawAddress* bd_addr) = 0; 143 144 /** 145 * Callback for call list (AT+CLCC) 146 * 147 * @param bd_addr remote device address 148 */ 149 virtual void AtClccCallback(RawAddress* bd_addr) = 0; 150 151 /** 152 * Callback for unknown AT command recd from HF 153 * 154 * @param at_string he unparsed AT string 155 * @param bd_addr remote device address 156 */ 157 virtual void UnknownAtCallback(char* at_string, RawAddress* bd_addr) = 0; 158 159 /** 160 * Callback for keypressed (HSP) event. 161 * 162 * @param bd_addr remote device address 163 */ 164 virtual void KeyPressedCallback(RawAddress* bd_addr) = 0; 165 166 /** 167 * Callback for BIND. Pass the remote HF Indicators supported. 168 * 169 * @param at_string unparsed AT command string 170 * @param bd_addr remote device address 171 */ 172 virtual void AtBindCallback(char* at_string, RawAddress* bd_addr) = 0; 173 174 /** 175 * Callback for BIEV. Pass the change in the Remote HF indicator values 176 * 177 * @param ind_id HF indicator id 178 * @param ind_value HF indicator value 179 * @param bd_addr remote device address 180 */ 181 virtual void AtBievCallback(bthf_hf_ind_type_t ind_id, int ind_value, 182 RawAddress* bd_addr) = 0; 183 184 /** 185 * Callback for BIA. Pass the change in AG indicator activation. 186 * NOTE: Call, Call Setup and Call Held indicators are mandatory and cannot 187 * be disabled. Thus, they are not included here. 188 * 189 * @param service whether HF should receive network service state update 190 * @param roam whether HF should receive roaming state update 191 * @param signal whether HF should receive signal strength update 192 * @param battery whether HF should receive AG battery level update 193 * @param bd_addr remote HF device address 194 */ 195 virtual void AtBiaCallback(bool service, bool roam, bool signal, bool battery, 196 RawAddress* bd_addr) = 0; 197 }; 198 199 } // namespace headset 200 } // namespace bluetooth