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      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 java.util.List;
     20 import java.util.ArrayList;
     21 
     22 import android.app.Service;
     23 import android.bluetooth.BluetoothA2dpSink;
     24 import android.bluetooth.BluetoothAdapter;
     25 import android.bluetooth.BluetoothDevice;
     26 import android.bluetooth.BluetoothProfile;
     27 import android.bluetooth.BluetoothUuid;
     28 import android.os.ParcelUuid;
     29 
     30 import com.googlecode.android_scripting.Log;
     31 import com.googlecode.android_scripting.facade.FacadeManager;
     32 import com.googlecode.android_scripting.jsonrpc.RpcReceiver;
     33 import com.googlecode.android_scripting.rpc.Rpc;
     34 import com.googlecode.android_scripting.rpc.RpcParameter;
     35 
     36 public class BluetoothA2dpSinkFacade extends RpcReceiver {
     37   static final ParcelUuid[] SOURCE_UUIDS = {
     38     BluetoothUuid.AudioSource,
     39   };
     40 
     41   private final Service mService;
     42   private final BluetoothAdapter mBluetoothAdapter;
     43 
     44   private static BluetoothA2dpSink sA2dpSinkProfile = null;
     45 
     46   public BluetoothA2dpSinkFacade(FacadeManager manager) {
     47     super(manager);
     48     mService = manager.getService();
     49     mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
     50     mBluetoothAdapter.getProfileProxy(mService, new A2dpSinkServiceListener(),
     51         BluetoothProfile.A2DP_SINK);
     52   }
     53 
     54   class A2dpSinkServiceListener implements BluetoothProfile.ServiceListener {
     55     @Override
     56     public void onServiceConnected(int profile, BluetoothProfile proxy) {
     57       sA2dpSinkProfile = (BluetoothA2dpSink) proxy;
     58     }
     59 
     60     @Override
     61     public void onServiceDisconnected(int profile) {
     62       sA2dpSinkProfile = null;
     63     }
     64   }
     65 
     66   public Boolean a2dpSinkConnect(BluetoothDevice device) {
     67     if (sA2dpSinkProfile == null) return false;
     68     return sA2dpSinkProfile.connect(device);
     69   }
     70 
     71   public Boolean a2dpSinkDisconnect(BluetoothDevice device) {
     72     if (sA2dpSinkProfile == null) return false;
     73     return sA2dpSinkProfile.disconnect(device);
     74   }
     75 
     76   @Rpc(description = "Set priority of the profile")
     77   public void bluetoothA2dpSinkSetPriority(
     78       @RpcParameter(name = "device", description = "Mac address of a BT device.")
     79       String deviceStr,
     80       @RpcParameter(name = "priority", description = "Priority that needs to be set.")
     81       Integer priority)
     82       throws Exception {
     83     if (sA2dpSinkProfile == null) return;
     84     BluetoothDevice device =
     85         BluetoothFacade.getDevice(mBluetoothAdapter.getBondedDevices(), deviceStr);
     86     Log.d("Changing priority of device " + device.getAliasName() + " p: " + priority);
     87     sA2dpSinkProfile.setPriority(device, priority);
     88   }
     89 
     90   @Rpc(description = "get priority of the profile")
     91   public Integer bluetoothA2dpSinkGetPriority(
     92       @RpcParameter(name = "device", description = "Mac address of a BT device.")
     93       String deviceStr)
     94       throws Exception {
     95     if (sA2dpSinkProfile == null) return BluetoothProfile.PRIORITY_UNDEFINED;
     96     BluetoothDevice device =
     97         BluetoothFacade.getDevice(mBluetoothAdapter.getBondedDevices(), deviceStr);
     98     return sA2dpSinkProfile.getPriority(device);
     99   }
    100 
    101   @Rpc(description = "Is A2dpSink profile ready.")
    102   public Boolean bluetoothA2dpSinkIsReady() {
    103     return (sA2dpSinkProfile != null);
    104   }
    105 
    106   @Rpc(description = "Connect to an A2DP Sink device.")
    107   public Boolean bluetoothA2dpSinkConnect(
    108       @RpcParameter(name = "device", description = "Name or MAC address of a bluetooth device.")
    109       String deviceStr)
    110       throws Exception {
    111     if (sA2dpSinkProfile == null) return false;
    112     BluetoothDevice device =
    113         BluetoothFacade.getDevice(BluetoothFacade.DiscoveredDevices, deviceStr);
    114     Log.d("Connecting to device " + device.getAliasName());
    115     return a2dpSinkConnect(device);
    116   }
    117 
    118   @Rpc(description = "Disconnect an A2DP Sink device.")
    119   public Boolean bluetoothA2dpSinkDisconnect(
    120       @RpcParameter(name = "device", description = "Name or MAC address of a device.")
    121       String deviceStr) {
    122     if (sA2dpSinkProfile == null) return false;
    123     Log.d("Connected devices: " + sA2dpSinkProfile.getConnectedDevices());
    124     BluetoothDevice device = null;
    125     try {
    126       device = BluetoothFacade.getDevice(sA2dpSinkProfile.getConnectedDevices(), deviceStr);
    127       return a2dpSinkDisconnect(device);
    128     } catch (Exception e) {
    129         // Do nothing here. Since it is disconnect this function should force shutdown anyways.
    130         Log.d("bluetoothA2dpSinkDisconnect error while getDevice " + e);
    131     }
    132     return false;
    133   }
    134 
    135   @Rpc(description = "Get all the devices connected through A2DP Sink.")
    136   public List<BluetoothDevice> bluetoothA2dpSinkGetConnectedDevices() {
    137     if (sA2dpSinkProfile == null) return new ArrayList<BluetoothDevice>();
    138     return sA2dpSinkProfile.getConnectedDevices();
    139   }
    140 
    141   @Rpc(description = "Get the connection status of a device.")
    142   public Integer bluetoothA2dpSinkGetConnectionStatus(
    143       @RpcParameter(name = "deviceID",
    144                     description = "Name or MAC address of a bluetooth device.")
    145         String deviceID) {
    146     if (sA2dpSinkProfile == null) {
    147       return BluetoothProfile.STATE_DISCONNECTED;
    148     }
    149     List<BluetoothDevice> deviceList = sA2dpSinkProfile.getConnectedDevices();
    150     BluetoothDevice device;
    151     try {
    152       device = BluetoothFacade.getDevice(deviceList, deviceID);
    153     } catch (Exception e) {
    154       Log.e(e);
    155       return BluetoothProfile.STATE_DISCONNECTED;
    156     }
    157     return sA2dpSinkProfile.getConnectionState(device);
    158   }
    159 
    160   @Override
    161   public void shutdown() {
    162   }
    163 }
    164