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

   1 /******************************************************************
   2  *
   3  * Copyright 2014 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 import android.util.Log;
  30
  31 public class CaEdrInterface {
  32     private static Context mContext;
  33
  34     private CaEdrInterface(Context context) {
  35         synchronized(CaEdrInterface.class) {
  36             mContext = context;
  37         }
  38         registerIntentFilter();
  39     }
  40
  41     private static IntentFilter registerIntentFilter() {
  42         IntentFilter filter = new IntentFilter();
  43         filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
  44         filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
  45         filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
  46         mContext.registerReceiver(mReceiver, filter);
  47         return filter;
  48     }
  49
  50     public static void destroyEdrInterface() {
  51         mContext.unregisterReceiver(mReceiver);
  52     }
  53
  54     // Network Monitor
  55     private native static void caEdrStateChangedCallback(int state);
  56
  57     private native static void caEdrBondStateChangedCallback(String addr);
  58
  59     private native static void caEdrConnectionStateChangedCallback(String addr, int isConnected);
  60
  61     private static final BroadcastReceiver mReceiver = new BroadcastReceiver() {
  62
  63         @Override
  64         public void onReceive(Context context, Intent intent) {
  65
  66             String action = intent.getAction();
  67
  68             if (action != null && action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
  69
  70                 int state =
  71                         intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
  72
  73                 // STATE_ON:12, STATE_OFF:10
  74                 if (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_OFF)
  75                 {
  76                     caEdrStateChangedCallback(state);
  77                 }
  78             }
  79
  80             if (action != null && action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
  81
  82                 int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
  83                                                    BluetoothDevice.ERROR);
  84
  85                 if (bondState == BluetoothDevice.BOND_NONE) {
  86                     if ((intent.getIntExtra(BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE,
  87                                             BluetoothDevice.ERROR)
  88                                                 == BluetoothDevice.BOND_BONDED)) {
  89                         BluetoothDevice device
  90                             = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
  91
  92                         caEdrBondStateChangedCallback(device.getAddress());
  93                     }
  94                 }
  95             }
  96
  97             if (action != null && action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
  98                 BluetoothDevice device
  99                     = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 100                 if (BluetoothDevice.DEVICE_TYPE_CLASSIC == device.getType())
 101                 {
 102                     caEdrConnectionStateChangedCallback(device.getAddress(), 0);
 103                 }
 104             }
 105         }
 106     };
 107 }