1 /* 2 * Copyright (C) 2012 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.BluetoothAdapter; 20 import android.bluetooth.BluetoothClass; 21 import android.bluetooth.BluetoothDevice; 22 import android.bluetooth.BluetoothHeadset; 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 * HeadsetProfile handles Bluetooth HFP and Headset profiles. 36 */ 37 public final class HeadsetProfile implements LocalBluetoothProfile { 38 private static final String TAG = "HeadsetProfile"; 39 private static boolean V = true; 40 41 private BluetoothHeadset mService; 42 private boolean mIsProfileReady; 43 44 private final LocalBluetoothAdapter mLocalAdapter; 45 private final CachedBluetoothDeviceManager mDeviceManager; 46 private final LocalBluetoothProfileManager mProfileManager; 47 48 static final ParcelUuid[] UUIDS = { 49 BluetoothUuid.HSP, 50 BluetoothUuid.Handsfree, 51 }; 52 53 static final String NAME = "HEADSET"; 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 HeadsetServiceListener 60 implements BluetoothProfile.ServiceListener { 61 62 public void onServiceConnected(int profile, BluetoothProfile proxy) { 63 if (V) Log.d(TAG,"Bluetooth service connected"); 64 mService = (BluetoothHeadset) proxy; 65 // We just bound to the service, so refresh the UI for any connected HFP devices. 66 List<BluetoothDevice> deviceList = mService.getConnectedDevices(); 67 while (!deviceList.isEmpty()) { 68 BluetoothDevice nextDevice = deviceList.remove(0); 69 CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice); 70 // we may add a new device here, but generally this should not happen 71 if (device == null) { 72 Log.w(TAG, "HeadsetProfile found new device: " + nextDevice); 73 device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice); 74 } 75 device.onProfileStateChanged(HeadsetProfile.this, 76 BluetoothProfile.STATE_CONNECTED); 77 device.refresh(); 78 } 79 80 mProfileManager.callServiceConnectedListeners(); 81 mIsProfileReady=true; 82 } 83 84 public void onServiceDisconnected(int profile) { 85 if (V) Log.d(TAG,"Bluetooth service disconnected"); 86 mProfileManager.callServiceDisconnectedListeners(); 87 mIsProfileReady=false; 88 } 89 } 90 91 public boolean isProfileReady() { 92 return mIsProfileReady; 93 } 94 95 HeadsetProfile(Context context, LocalBluetoothAdapter adapter, 96 CachedBluetoothDeviceManager deviceManager, 97 LocalBluetoothProfileManager profileManager) { 98 mLocalAdapter = adapter; 99 mDeviceManager = deviceManager; 100 mProfileManager = profileManager; 101 mLocalAdapter.getProfileProxy(context, new HeadsetServiceListener(), 102 BluetoothProfile.HEADSET); 103 } 104 105 public boolean isConnectable() { 106 return true; 107 } 108 109 public boolean isAutoConnectable() { 110 return true; 111 } 112 113 public boolean connect(BluetoothDevice device) { 114 if (mService == null) return false; 115 List<BluetoothDevice> sinks = mService.getConnectedDevices(); 116 if (sinks != null) { 117 for (BluetoothDevice sink : sinks) { 118 Log.d(TAG,"Not disconnecting device = " + sink); 119 } 120 } 121 return mService.connect(device); 122 } 123 124 public boolean disconnect(BluetoothDevice device) { 125 if (mService == null) return false; 126 List<BluetoothDevice> deviceList = mService.getConnectedDevices(); 127 if (!deviceList.isEmpty()) { 128 for (BluetoothDevice dev : deviceList) { 129 if (dev.equals(device)) { 130 if (V) Log.d(TAG,"Downgrade priority as user" + 131 "is disconnecting the headset"); 132 // Downgrade priority as user is disconnecting the headset. 133 if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON) { 134 mService.setPriority(device, BluetoothProfile.PRIORITY_ON); 135 } 136 return mService.disconnect(device); 137 } 138 } 139 } 140 return false; 141 } 142 143 public int getConnectionStatus(BluetoothDevice device) { 144 if (mService == null) return BluetoothProfile.STATE_DISCONNECTED; 145 List<BluetoothDevice> deviceList = mService.getConnectedDevices(); 146 if (!deviceList.isEmpty()){ 147 for (BluetoothDevice dev : deviceList) { 148 if (dev.equals(device)) { 149 return mService.getConnectionState(device); 150 } 151 } 152 } 153 return BluetoothProfile.STATE_DISCONNECTED; 154 } 155 156 public boolean isPreferred(BluetoothDevice device) { 157 if (mService == null) return false; 158 return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF; 159 } 160 161 public int getPreferred(BluetoothDevice device) { 162 if (mService == null) return BluetoothProfile.PRIORITY_OFF; 163 return mService.getPriority(device); 164 } 165 166 public void setPreferred(BluetoothDevice device, boolean preferred) { 167 if (mService == null) return; 168 if (preferred) { 169 if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) { 170 mService.setPriority(device, BluetoothProfile.PRIORITY_ON); 171 } 172 } else { 173 mService.setPriority(device, BluetoothProfile.PRIORITY_OFF); 174 } 175 } 176 177 public List<BluetoothDevice> getConnectedDevices() { 178 if (mService == null) return new ArrayList<BluetoothDevice>(0); 179 return mService.getDevicesMatchingConnectionStates( 180 new int[] {BluetoothProfile.STATE_CONNECTED, 181 BluetoothProfile.STATE_CONNECTING, 182 BluetoothProfile.STATE_DISCONNECTING}); 183 } 184 185 public String toString() { 186 return NAME; 187 } 188 189 public int getOrdinal() { 190 return ORDINAL; 191 } 192 193 public int getNameResource(BluetoothDevice device) { 194 return R.string.bluetooth_profile_headset; 195 } 196 197 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 public int getDrawableResource(BluetoothClass btClass) { 212 return R.drawable.ic_bt_headset_hfp; 213 } 214 215 protected void finalize() { 216 if (V) Log.d(TAG, "finalize()"); 217 if (mService != null) { 218 try { 219 BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.HEADSET, 220 mService); 221 mService = null; 222 }catch (Throwable t) { 223 Log.w(TAG, "Error cleaning up HID proxy", t); 224 } 225 } 226 } 227 } 228