1 /* 2 * Copyright (C) 2016 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.settingslib.bluetooth; 18 19 import android.bluetooth.BluetoothHeadsetClient; 20 import android.bluetooth.BluetoothAdapter; 21 import android.bluetooth.BluetoothClass; 22 import android.bluetooth.BluetoothDevice; 23 import android.bluetooth.BluetoothProfile; 24 import android.bluetooth.BluetoothUuid; 25 import android.content.Context; 26 import android.os.ParcelUuid; 27 import android.util.Log; 28 29 import com.android.settingslib.R; 30 31 import java.util.ArrayList; 32 import java.util.List; 33 34 /** 35 * Handles the Handsfree HF role. 36 */ 37 final class HfpClientProfile implements LocalBluetoothProfile { 38 private static final String TAG = "HfpClientProfile"; 39 private static boolean V = false; 40 41 private BluetoothHeadsetClient mService; 42 private boolean mIsProfileReady; 43 44 private final LocalBluetoothAdapter mLocalAdapter; 45 private final CachedBluetoothDeviceManager mDeviceManager; 46 47 static final ParcelUuid[] SRC_UUIDS = { 48 BluetoothUuid.HSP_AG, 49 BluetoothUuid.Handsfree_AG, 50 }; 51 52 static final String NAME = "HEADSET_CLIENT"; 53 private final LocalBluetoothProfileManager mProfileManager; 54 55 // Order of this profile in device profiles list 56 private static final int ORDINAL = 0; 57 58 // These callbacks run on the main thread. 59 private final class HfpClientServiceListener 60 implements BluetoothProfile.ServiceListener { 61 62 @Override 63 public void onServiceConnected(int profile, BluetoothProfile proxy) { 64 if (V) Log.d(TAG,"Bluetooth service connected"); 65 mService = (BluetoothHeadsetClient) proxy; 66 // We just bound to the service, so refresh the UI for any connected HFP devices. 67 List<BluetoothDevice> deviceList = mService.getConnectedDevices(); 68 while (!deviceList.isEmpty()) { 69 BluetoothDevice nextDevice = deviceList.remove(0); 70 CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice); 71 // we may add a new device here, but generally this should not happen 72 if (device == null) { 73 Log.w(TAG, "HfpClient profile found new device: " + nextDevice); 74 device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice); 75 } 76 device.onProfileStateChanged( 77 HfpClientProfile.this, BluetoothProfile.STATE_CONNECTED); 78 device.refresh(); 79 } 80 mIsProfileReady=true; 81 } 82 83 @Override 84 public void onServiceDisconnected(int profile) { 85 if (V) Log.d(TAG,"Bluetooth service disconnected"); 86 mIsProfileReady=false; 87 } 88 } 89 90 @Override 91 public boolean isProfileReady() { 92 return mIsProfileReady; 93 } 94 95 HfpClientProfile(Context context, LocalBluetoothAdapter adapter, 96 CachedBluetoothDeviceManager deviceManager, 97 LocalBluetoothProfileManager profileManager) { 98 mLocalAdapter = adapter; 99 mDeviceManager = deviceManager; 100 mProfileManager = profileManager; 101 mLocalAdapter.getProfileProxy(context, new HfpClientServiceListener(), 102 BluetoothProfile.HEADSET_CLIENT); 103 } 104 105 @Override 106 public boolean isConnectable() { 107 return true; 108 } 109 110 @Override 111 public boolean isAutoConnectable() { 112 return true; 113 } 114 115 public List<BluetoothDevice> getConnectedDevices() { 116 if (mService == null) return new ArrayList<BluetoothDevice>(0); 117 return mService.getDevicesMatchingConnectionStates( 118 new int[] {BluetoothProfile.STATE_CONNECTED, 119 BluetoothProfile.STATE_CONNECTING, 120 BluetoothProfile.STATE_DISCONNECTING}); 121 } 122 123 @Override 124 public boolean connect(BluetoothDevice device) { 125 if (mService == null) return false; 126 List<BluetoothDevice> srcs = getConnectedDevices(); 127 if (srcs != null) { 128 for (BluetoothDevice src : srcs) { 129 if (src.equals(device)) { 130 // Connect to same device, Ignore it 131 Log.d(TAG,"Ignoring Connect"); 132 return true; 133 } 134 } 135 } 136 return mService.connect(device); 137 } 138 139 @Override 140 public boolean disconnect(BluetoothDevice device) { 141 if (mService == null) return false; 142 // Downgrade priority as user is disconnecting the headset. 143 if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON){ 144 mService.setPriority(device, BluetoothProfile.PRIORITY_ON); 145 } 146 return mService.disconnect(device); 147 } 148 149 @Override 150 public int getConnectionStatus(BluetoothDevice device) { 151 if (mService == null) { 152 return BluetoothProfile.STATE_DISCONNECTED; 153 } 154 return mService.getConnectionState(device); 155 } 156 157 @Override 158 public boolean isPreferred(BluetoothDevice device) { 159 if (mService == null) return false; 160 return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF; 161 } 162 163 @Override 164 public int getPreferred(BluetoothDevice device) { 165 if (mService == null) return BluetoothProfile.PRIORITY_OFF; 166 return mService.getPriority(device); 167 } 168 169 @Override 170 public void setPreferred(BluetoothDevice device, boolean preferred) { 171 if (mService == null) return; 172 if (preferred) { 173 if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) { 174 mService.setPriority(device, BluetoothProfile.PRIORITY_ON); 175 } 176 } else { 177 mService.setPriority(device, BluetoothProfile.PRIORITY_OFF); 178 } 179 } 180 181 @Override 182 public String toString() { 183 return NAME; 184 } 185 186 @Override 187 public int getOrdinal() { 188 return ORDINAL; 189 } 190 191 @Override 192 public int getNameResource(BluetoothDevice device) { 193 return R.string.bluetooth_profile_headset; 194 } 195 196 @Override 197 public int getSummaryResourceForDevice(BluetoothDevice device) { 198 int state = getConnectionStatus(device); 199 switch (state) { 200 case BluetoothProfile.STATE_DISCONNECTED: 201 return R.string.bluetooth_headset_profile_summary_use_for; 202 203 case BluetoothProfile.STATE_CONNECTED: 204 return R.string.bluetooth_headset_profile_summary_connected; 205 206 default: 207 return Utils.getConnectionStateSummary(state); 208 } 209 } 210 211 @Override 212 public int getDrawableResource(BluetoothClass btClass) { 213 return R.drawable.ic_bt_headset_hfp; 214 } 215 216 protected void finalize() { 217 if (V) Log.d(TAG, "finalize()"); 218 if (mService != null) { 219 try { 220 BluetoothAdapter.getDefaultAdapter().closeProfileProxy( 221 BluetoothProfile.HEADSET_CLIENT, mService); 222 mService = null; 223 } catch (Throwable t) { 224 Log.w(TAG, "Error cleaning up HfpClient proxy", t); 225 } 226 } 227 } 228 } 229
