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 * <p>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 isServiceAvailable(HeadsetClientService service)41 private boolean isServiceAvailable(HeadsetClientService service) { 42 if (service == null) { 43 Log.w(TAG, "HeadsetClientService is not available"); 44 return false; 45 } 46 return true; 47 } 48 dial(BluetoothDevice device, String number)49 public HfpClientCall dial(BluetoothDevice device, String number) { 50 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 51 if (!isServiceAvailable(service)) return null; 52 return service.dial(device, number); 53 } 54 enterPrivateMode(BluetoothDevice device, int index)55 public boolean enterPrivateMode(BluetoothDevice device, int index) { 56 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 57 if (!isServiceAvailable(service)) return false; 58 return service.enterPrivateMode(device, index); 59 } 60 sendDTMF(BluetoothDevice device, byte code)61 public boolean sendDTMF(BluetoothDevice device, byte code) { 62 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 63 if (!isServiceAvailable(service)) return false; 64 return service.sendDTMF(device, code); 65 } 66 terminateCall(BluetoothDevice device, HfpClientCall call)67 public boolean terminateCall(BluetoothDevice device, HfpClientCall call) { 68 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 69 if (!isServiceAvailable(service)) return false; 70 return service.terminateCall(device, call != null ? call.getUUID() : null); 71 } 72 holdCall(BluetoothDevice device)73 public boolean holdCall(BluetoothDevice device) { 74 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 75 if (!isServiceAvailable(service)) return false; 76 return service.holdCall(device); 77 } 78 acceptCall(BluetoothDevice device, int flag)79 public boolean acceptCall(BluetoothDevice device, int flag) { 80 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 81 if (!isServiceAvailable(service)) return false; 82 return service.acceptCall(device, flag); 83 } 84 rejectCall(BluetoothDevice device)85 public boolean rejectCall(BluetoothDevice device) { 86 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 87 if (!isServiceAvailable(service)) return false; 88 return service.rejectCall(device); 89 } 90 connectAudio(BluetoothDevice device)91 public boolean connectAudio(BluetoothDevice device) { 92 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 93 if (!isServiceAvailable(service)) return false; 94 return service.connectAudio(device); 95 } 96 disconnectAudio(BluetoothDevice device)97 public boolean disconnectAudio(BluetoothDevice device) { 98 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 99 if (!isServiceAvailable(service)) return false; 100 return service.disconnectAudio(device); 101 } 102 getCurrentAgFeatures(BluetoothDevice device)103 public Set<Integer> getCurrentAgFeatures(BluetoothDevice device) { 104 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 105 if (!isServiceAvailable(service)) return null; 106 return service.getCurrentAgFeatures(device); 107 } 108 getCurrentAgEvents(BluetoothDevice device)109 public Bundle getCurrentAgEvents(BluetoothDevice device) { 110 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 111 if (!isServiceAvailable(service)) return null; 112 return service.getCurrentAgEvents(device); 113 } 114 getConnectedDevices()115 public List<BluetoothDevice> getConnectedDevices() { 116 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 117 if (!isServiceAvailable(service)) return null; 118 return service.getConnectedDevices(); 119 } 120 getCurrentCalls(BluetoothDevice device)121 public List<HfpClientCall> getCurrentCalls(BluetoothDevice device) { 122 HeadsetClientService service = HeadsetClientService.getHeadsetClientService(); 123 if (!isServiceAvailable(service)) return null; 124 return service.getCurrentCalls(device); 125 } 126 hasHfpClientEcc(BluetoothDevice device)127 public boolean hasHfpClientEcc(BluetoothDevice device) { 128 Set<Integer> features = getCurrentAgFeatures(device); 129 return features != null && features.contains(HeadsetClientHalConstants.PEER_FEAT_ECC); 130 } 131 } 132