1 /* 2 * Copyright (C) 2021 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 package com.android.bluetooth.hfpclient; 18 19 import android.bluetooth.BluetoothDevice; 20 import android.os.Bundle; 21 import android.util.Log; 22 23 import java.util.List; 24 import java.util.Set; 25 26 /** 27 * Interface for talking to the HeadsetClientService 28 * 29 * Deals with service lifecycle and returns consistent error values 30 */ 31 public class HeadsetClientServiceInterface { 32 private static final String TAG = "HeadsetClientServiceInterface"; 33 34 /* Action policy for other calls when accepting call */ 35 public static final int CALL_ACCEPT_NONE = 0; 36 public static final int CALL_ACCEPT_HOLD = 1; 37 public static final int CALL_ACCEPT_TERMINATE = 2; 38 HeadsetClientServiceInterface()39 public HeadsetClientServiceInterface() { 40 } 41 isServiceAvailable(HeadsetClientService service)42 private boolean isServiceAvailable(HeadsetClientService service) { 43 if (service == null) { 44 Log.w(TAG, "HeadsetClientService is not available"); 45 return false; 46 } 47 return true; 48 } 49 dial(BluetoothDevice device, String number)50 public HfpClientCall dial(BluetoothDevice device, String number) { 51 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 52 if (!isServiceAvailable(service)) return null; 53 return service.dial(device, number); 54 } 55 enterPrivateMode(BluetoothDevice device, int index)56 public boolean enterPrivateMode(BluetoothDevice device, int index) { 57 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 58 if (!isServiceAvailable(service)) return false; 59 return service.enterPrivateMode(device, index); 60 } 61 sendDTMF(BluetoothDevice device, byte code)62 public boolean sendDTMF(BluetoothDevice device, byte code) { 63 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 64 if (!isServiceAvailable(service)) return false; 65 return service.sendDTMF(device, code); 66 } 67 terminateCall(BluetoothDevice device, HfpClientCall call)68 public boolean terminateCall(BluetoothDevice device, HfpClientCall call) { 69 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 70 if (!isServiceAvailable(service)) return false; 71 return service.terminateCall(device, call != null ? call.getUUID() : null); 72 } 73 holdCall(BluetoothDevice device)74 public boolean holdCall(BluetoothDevice device) { 75 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 76 if (!isServiceAvailable(service)) return false; 77 return service.holdCall(device); 78 } 79 acceptCall(BluetoothDevice device, int flag)80 public boolean acceptCall(BluetoothDevice device, int flag) { 81 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 82 if (!isServiceAvailable(service)) return false; 83 return service.acceptCall(device, flag); 84 } 85 rejectCall(BluetoothDevice device)86 public boolean rejectCall(BluetoothDevice device) { 87 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 88 if (!isServiceAvailable(service)) return false; 89 return service.rejectCall(device); 90 } 91 connectAudio(BluetoothDevice device)92 public boolean connectAudio(BluetoothDevice device) { 93 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 94 if (!isServiceAvailable(service)) return false; 95 return service.connectAudio(device); 96 } 97 disconnectAudio(BluetoothDevice device)98 public boolean disconnectAudio(BluetoothDevice device) { 99 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 100 if (!isServiceAvailable(service)) return false; 101 return service.disconnectAudio(device); 102 } 103 getCurrentAgFeatures(BluetoothDevice device)104 public Set<Integer> getCurrentAgFeatures(BluetoothDevice device) { 105 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 106 if (!isServiceAvailable(service)) return null; 107 return service.getCurrentAgFeatures(device); 108 } 109 getCurrentAgEvents(BluetoothDevice device)110 public Bundle getCurrentAgEvents(BluetoothDevice device) { 111 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 112 if (!isServiceAvailable(service)) return null; 113 return service.getCurrentAgEvents(device); 114 } 115 getConnectedDevices()116 public List<BluetoothDevice> getConnectedDevices() { 117 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 118 if (!isServiceAvailable(service)) return null; 119 return service.getConnectedDevices(); 120 } 121 getCurrentCalls(BluetoothDevice device)122 public List<HfpClientCall> getCurrentCalls(BluetoothDevice device) { 123 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 124 if (!isServiceAvailable(service)) return null; 125 return service.getCurrentCalls(device); 126 } 127 hasHfpClientEcc(BluetoothDevice device)128 public boolean hasHfpClientEcc(BluetoothDevice device) { 129 Set<Integer> features = getCurrentAgFeatures(device); 130 return features != null && features.contains(HeadsetClientHalConstants.PEER_FEAT_ECC); 131 } 132 } 133