1 /* 2 * Copyright (C) 2015 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.BluetoothA2dpSink; 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 final class A2dpSinkProfile implements LocalBluetoothProfile { 35 private static final String TAG = "A2dpSinkProfile"; 36 private static boolean V = true; 37 38 private BluetoothA2dpSink mService; 39 private boolean mIsProfileReady; 40 41 private final LocalBluetoothAdapter mLocalAdapter; 42 private final CachedBluetoothDeviceManager mDeviceManager; 43 44 static final ParcelUuid[] SRC_UUIDS = { 45 BluetoothUuid.AudioSource, 46 BluetoothUuid.AdvAudioDist, 47 }; 48 49 static final String NAME = "A2DPSink"; 50 private final LocalBluetoothProfileManager mProfileManager; 51 52 // Order of this profile in device profiles list 53 private static final int ORDINAL = 5; 54 55 // These callbacks run on the main thread. 56 private final class A2dpSinkServiceListener 57 implements BluetoothProfile.ServiceListener { 58 59 public void onServiceConnected(int profile, BluetoothProfile proxy) { 60 if (V) Log.d(TAG,"Bluetooth service connected"); 61 mService = (BluetoothA2dpSink) proxy; 62 // We just bound to the service, so refresh the UI for any connected A2DP devices. 63 List<BluetoothDevice> deviceList = mService.getConnectedDevices(); 64 while (!deviceList.isEmpty()) { 65 BluetoothDevice nextDevice = deviceList.remove(0); 66 CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice); 67 // we may add a new device here, but generally this should not happen 68 if (device == null) { 69 Log.w(TAG, "A2dpSinkProfile found new device: " + nextDevice); 70 device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice); 71 } 72 device.onProfileStateChanged(A2dpSinkProfile.this, BluetoothProfile.STATE_CONNECTED); 73 device.refresh(); 74 } 75 mIsProfileReady=true; 76 } 77 78 public void onServiceDisconnected(int profile) { 79 if (V) Log.d(TAG,"Bluetooth service disconnected"); 80 mIsProfileReady=false; 81 } 82 } 83 84 public boolean isProfileReady() { 85 return mIsProfileReady; 86 } 87 88 @Override 89 public int getProfileId() { 90 return BluetoothProfile.A2DP_SINK; 91 } 92 93 A2dpSinkProfile(Context context, LocalBluetoothAdapter adapter, 94 CachedBluetoothDeviceManager deviceManager, 95 LocalBluetoothProfileManager profileManager) { 96 mLocalAdapter = adapter; 97 mDeviceManager = deviceManager; 98 mProfileManager = profileManager; 99 mLocalAdapter.getProfileProxy(context, new A2dpSinkServiceListener(), 100 BluetoothProfile.A2DP_SINK); 101 } 102 103 public boolean isConnectable() { 104 return true; 105 } 106 107 public boolean isAutoConnectable() { 108 return true; 109 } 110 111 public List<BluetoothDevice> getConnectedDevices() { 112 if (mService == null) return new ArrayList<BluetoothDevice>(0); 113 return mService.getDevicesMatchingConnectionStates( 114 new int[] {BluetoothProfile.STATE_CONNECTED, 115 BluetoothProfile.STATE_CONNECTING, 116 BluetoothProfile.STATE_DISCONNECTING}); 117 } 118 119 public boolean connect(BluetoothDevice device) { 120 if (mService == null) return false; 121 List<BluetoothDevice> srcs = getConnectedDevices(); 122 if (srcs != null) { 123 for (BluetoothDevice src : srcs) { 124 if (src.equals(device)) { 125 // Connect to same device, Ignore it 126 Log.d(TAG,"Ignoring Connect"); 127 return true; 128 } 129 } 130 } 131 return mService.connect(device); 132 } 133 134 public boolean disconnect(BluetoothDevice device) { 135 if (mService == null) return false; 136 // Downgrade priority as user is disconnecting the headset. 137 if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON){ 138 mService.setPriority(device, BluetoothProfile.PRIORITY_ON); 139 } 140 return mService.disconnect(device); 141 } 142 143 public int getConnectionStatus(BluetoothDevice device) { 144 if (mService == null) { 145 return BluetoothProfile.STATE_DISCONNECTED; 146 } 147 return mService.getConnectionState(device); 148 } 149 150 public boolean isPreferred(BluetoothDevice device) { 151 if (mService == null) return false; 152 return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF; 153 } 154 155 public int getPreferred(BluetoothDevice device) { 156 if (mService == null) return BluetoothProfile.PRIORITY_OFF; 157 return mService.getPriority(device); 158 } 159 160 public void setPreferred(BluetoothDevice device, boolean preferred) { 161 if (mService == null) return; 162 if (preferred) { 163 if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) { 164 mService.setPriority(device, BluetoothProfile.PRIORITY_ON); 165 } 166 } else { 167 mService.setPriority(device, BluetoothProfile.PRIORITY_OFF); 168 } 169 } 170 171 boolean isA2dpPlaying() { 172 if (mService == null) return false; 173 List<BluetoothDevice> srcs = mService.getConnectedDevices(); 174 if (!srcs.isEmpty()) { 175 if (mService.isA2dpPlaying(srcs.get(0))) { 176 return true; 177 } 178 } 179 return false; 180 } 181 182 public String toString() { 183 return NAME; 184 } 185 186 public int getOrdinal() { 187 return ORDINAL; 188 } 189 190 public int getNameResource(BluetoothDevice device) { 191 // we need to have same string in UI for even SINK Media Audio. 192 return R.string.bluetooth_profile_a2dp; 193 } 194 195 public int getSummaryResourceForDevice(BluetoothDevice device) { 196 int state = getConnectionStatus(device); 197 switch (state) { 198 case BluetoothProfile.STATE_DISCONNECTED: 199 return R.string.bluetooth_a2dp_profile_summary_use_for; 200 201 case BluetoothProfile.STATE_CONNECTED: 202 return R.string.bluetooth_a2dp_profile_summary_connected; 203 204 default: 205 return Utils.getConnectionStateSummary(state); 206 } 207 } 208 209 public int getDrawableResource(BluetoothClass btClass) { 210 return R.drawable.ic_bt_headphones_a2dp; 211 } 212 213 protected void finalize() { 214 if (V) Log.d(TAG, "finalize()"); 215 if (mService != null) { 216 try { 217 BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.A2DP_SINK, 218 mService); 219 mService = null; 220 }catch (Throwable t) { 221 Log.w(TAG, "Error cleaning up A2DP proxy", t); 222 } 223 } 224 } 225 } 226