1 /* 2 * Copyright (C) 2017 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.googlecode.android_scripting.facade.bluetooth; 18 19 import android.app.Service; 20 import android.bluetooth.BluetoothA2dp; 21 import android.bluetooth.BluetoothAdapter; 22 import android.bluetooth.BluetoothDevice; 23 import android.bluetooth.BluetoothProfile; 24 import android.bluetooth.BluetoothUuid; 25 import android.os.ParcelUuid; 26 27 import com.googlecode.android_scripting.Log; 28 import com.googlecode.android_scripting.facade.FacadeManager; 29 import com.googlecode.android_scripting.jsonrpc.RpcReceiver; 30 import com.googlecode.android_scripting.rpc.Rpc; 31 import com.googlecode.android_scripting.rpc.RpcParameter; 32 33 import java.util.List; 34 35 public class BluetoothA2dpFacade extends RpcReceiver { 36 static final ParcelUuid[] SINK_UUIDS = { 37 BluetoothUuid.AudioSink, BluetoothUuid.AdvAudioDist, 38 }; 39 private final Service mService; 40 private final BluetoothAdapter mBluetoothAdapter; 41 42 private static boolean sIsA2dpReady = false; 43 private static BluetoothA2dp sA2dpProfile = null; 44 BluetoothA2dpFacade(FacadeManager manager)45 public BluetoothA2dpFacade(FacadeManager manager) { 46 super(manager); 47 mService = manager.getService(); 48 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); 49 mBluetoothAdapter.getProfileProxy(mService, new A2dpServiceListener(), 50 BluetoothProfile.A2DP); 51 } 52 53 class A2dpServiceListener implements BluetoothProfile.ServiceListener { 54 @Override onServiceConnected(int profile, BluetoothProfile proxy)55 public void onServiceConnected(int profile, BluetoothProfile proxy) { 56 sA2dpProfile = (BluetoothA2dp) proxy; 57 sIsA2dpReady = true; 58 } 59 60 @Override onServiceDisconnected(int profile)61 public void onServiceDisconnected(int profile) { 62 sIsA2dpReady = false; 63 } 64 } 65 66 /** 67 * Connect A2DP Profile to input BluetoothDevice 68 * 69 * @param device the BluetoothDevice object to connect to 70 * @return if the connection was successfull or not 71 */ a2dpConnect(BluetoothDevice device)72 public Boolean a2dpConnect(BluetoothDevice device) { 73 List<BluetoothDevice> sinks = sA2dpProfile.getConnectedDevices(); 74 if (sinks != null) { 75 for (BluetoothDevice sink : sinks) { 76 sA2dpProfile.disconnect(sink); 77 } 78 } 79 return sA2dpProfile.connect(device); 80 } 81 82 /** 83 * Disconnect A2DP Profile from input BluetoothDevice 84 * 85 * @param device the BluetoothDevice object to disconnect from 86 * @return if the disconnection was successfull or not 87 */ a2dpDisconnect(BluetoothDevice device)88 public Boolean a2dpDisconnect(BluetoothDevice device) { 89 if (sA2dpProfile == null) return false; 90 if (sA2dpProfile.getPriority(device) > BluetoothProfile.PRIORITY_ON) { 91 sA2dpProfile.setPriority(device, BluetoothProfile.PRIORITY_ON); 92 } 93 return sA2dpProfile.disconnect(device); 94 } 95 96 /** 97 * Checks to see if the A2DP profile is ready for use. 98 * 99 * @return Returns true if the A2DP Profile is ready. 100 */ 101 @Rpc(description = "Is A2dp profile ready.") bluetoothA2dpIsReady()102 public Boolean bluetoothA2dpIsReady() { 103 return sIsA2dpReady; 104 } 105 106 /** 107 * Set Bluetooth A2DP connection priority 108 * 109 * @param deviceStr the Bluetooth device's mac address to set the connection priority of 110 * @param priority the integer priority to be set 111 */ 112 @Rpc(description = "Set priority of the profile") bluetoothA2dpSetPriority( @pcParametername = "device", description = "Mac address of a BT device.") String deviceStr, @RpcParameter(name = "priority", description = "Priority that needs to be set.") Integer priority)113 public void bluetoothA2dpSetPriority( 114 @RpcParameter(name = "device", description = "Mac address of a BT device.") 115 String deviceStr, 116 @RpcParameter(name = "priority", description = "Priority that needs to be set.") 117 Integer priority) 118 throws Exception { 119 if (sA2dpProfile == null) return; 120 BluetoothDevice device = 121 BluetoothFacade.getDevice(mBluetoothAdapter.getBondedDevices(), deviceStr); 122 Log.d("Changing priority of device " + device.getAliasName() + " p: " + priority); 123 sA2dpProfile.setPriority(device, priority); 124 } 125 126 127 /** 128 * Connect to remote device using the A2DP profile. 129 * 130 * @param deviceID the name or mac address of the remote Bluetooth device. 131 * @return True if connected successfully. 132 * @throws Exception 133 */ 134 @Rpc(description = "Connect to an A2DP device.") bluetoothA2dpConnect( @pcParametername = "deviceID", description = "Name or MAC address of a bluetooth device.") String deviceID)135 public Boolean bluetoothA2dpConnect( 136 @RpcParameter(name = "deviceID", 137 description = "Name or MAC address of a bluetooth device.") 138 String deviceID) 139 throws Exception { 140 if (sA2dpProfile == null) { 141 return false; 142 } 143 BluetoothDevice mDevice = BluetoothFacade.getDevice( 144 BluetoothFacade.DiscoveredDevices, deviceID); 145 Log.d("Connecting to device " + mDevice.getAliasName()); 146 return a2dpConnect(mDevice); 147 } 148 149 /** 150 * Disconnect a remote device using the A2DP profile. 151 * 152 * @param deviceID the name or mac address of the remote Bluetooth device. 153 * @return True if connected successfully. 154 * @throws Exception 155 */ 156 @Rpc(description = "Disconnect an A2DP device.") bluetoothA2dpDisconnect( @pcParametername = "deviceID", description = "Name or MAC address of a device.") String deviceID)157 public Boolean bluetoothA2dpDisconnect( 158 @RpcParameter(name = "deviceID", description = "Name or MAC address of a device.") 159 String deviceID) 160 throws Exception { 161 if (sA2dpProfile == null) { 162 return false; 163 } 164 List<BluetoothDevice> connectedA2dpDevices = sA2dpProfile.getConnectedDevices(); 165 Log.d("Connected a2dp devices " + connectedA2dpDevices); 166 BluetoothDevice mDevice = BluetoothFacade.getDevice(connectedA2dpDevices, deviceID); 167 return a2dpDisconnect(mDevice); 168 } 169 170 /** 171 * Get the list of devices connected through the A2DP profile. 172 * 173 * @return List of bluetooth devices that are in one of the following states: 174 * connected, connecting, and disconnecting. 175 */ 176 @Rpc(description = "Get all the devices connected through A2DP.") bluetoothA2dpGetConnectedDevices()177 public List<BluetoothDevice> bluetoothA2dpGetConnectedDevices() { 178 while (!sIsA2dpReady) { 179 continue; 180 } 181 return sA2dpProfile.getDevicesMatchingConnectionStates( 182 new int[] { 183 BluetoothProfile.STATE_CONNECTED, 184 BluetoothProfile.STATE_CONNECTING, 185 BluetoothProfile.STATE_DISCONNECTING}); 186 } 187 188 @Override shutdown()189 public void shutdown() { 190 } 191 } 192