android/android_api/base/src/main/java/org/iotivity/ca/CaBtPairingInterface.java

   1 /******************************************************************
   2  *
   3  * Copyright 2016 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20
  21 package org.iotivity.ca;
  22
  23 import android.bluetooth.BluetoothAdapter;
  24 import android.bluetooth.BluetoothDevice;
  25 import android.content.BroadcastReceiver;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.IntentFilter;
  29
  30 public class CaBtPairingInterface {
  31     private static Context mContext;
  32
  33     private CaBtPairingInterface(Context context) {
  34         mContext = context;
  35         registerIntentFilter();
  36     }
  37
  38     private static IntentFilter registerIntentFilter() {
  39         IntentFilter filter = new IntentFilter();
  40         filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
  41         filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
  42         filter.addAction(BluetoothDevice.ACTION_FOUND);
  43         mContext.registerReceiver(mReceiver, filter);
  44         return filter;
  45     }
  46
  47     public static void destroyEdrInterface() {
  48         mContext.unregisterReceiver(mReceiver);
  49     }
  50
  51     private native static void oicEdrStateChangedCallback(int state);
  52
  53     private native static void oicEdrBondStateChangedCallback(String addr);
  54
  55     private native static void oicEdrFoundDeviceCallback(BluetoothDevice device);
  56
  57     private static final BroadcastReceiver mReceiver = new BroadcastReceiver() {
  58
  59         @Override
  60         public void onReceive(Context context, Intent intent) {
  61
  62             String action = intent.getAction();
  63
  64             if (action != null && action.equals(BluetoothDevice.ACTION_FOUND)) {
  65                 BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
  66
  67                 // if found device is not paired with this device
  68                 if (device.getBondState() != BluetoothDevice.BOND_BONDED)
  69                 {
  70                     oicEdrFoundDeviceCallback(device);
  71                 }
  72             }
  73
  74             if (action != null && action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
  75
  76                 int state =
  77                         intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
  78
  79                 // STATE_ON:12, STATE_OFF:10
  80                 if (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_OFF)
  81                 {
  82                     oicEdrStateChangedCallback(state);
  83                 }
  84             }
  85
  86             if (action != null && action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
  87
  88                 int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
  89                                                    BluetoothDevice.ERROR);
  90
  91                 // unpairing event
  92                 if (bondState == BluetoothDevice.BOND_NONE) {
  93                     if ((intent.getIntExtra(BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE,
  94                                             BluetoothDevice.ERROR)
  95                                                 == BluetoothDevice.BOND_BONDED)) {
  96                         BluetoothDevice device
  97                             = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
  98
  99                         oicEdrBondStateChangedCallback(device.getAddress());
 100                     }
 101                 }
 102             }
 103         }
 104     };
 105 }