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     private static volatile boolean isEdrInitialized = false;
  34
  35     private CaEdrInterface(Context context) {
  36         synchronized(CaEdrInterface.class) {
  37             mContext = context;
  38         }
  39         if (!isEdrInitialized) {
  40             registerIntentFilter();
  41             isEdrInitialized = true;
  42         }
  43     }
  44
  45     private static IntentFilter registerIntentFilter() {
  46         IntentFilter filter = new IntentFilter();
  47         filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
  48         filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
  49         filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
  50         mContext.registerReceiver(mReceiver, filter);
  51         return filter;
  52     }
  53
  54     public static void destroyEdrInterface() {
  55         if (isEdrInitialized) {
  56             mContext.unregisterReceiver(mReceiver);
  57             isEdrInitialized = false;
  58         }
  59     }
  60
  61     // Network Monitor
  62     private native static void caEdrStateChangedCallback(int state);
  63
  64     private native static void caEdrBondStateChangedCallback(String addr);
  65
  66     private native static void caEdrConnectionStateChangedCallback(String addr, int isConnected);
  67
  68     private static final BroadcastReceiver mReceiver = new BroadcastReceiver() {
  69
  70         @Override
  71         public void onReceive(Context context, Intent intent) {
  72
  73             String action = intent.getAction();
  74
  75             if (action != null && action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
  76
  77                 int state =
  78                         intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
  79
  80                 // STATE_ON:12, STATE_OFF:10
  81                 if (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_OFF)
  82                 {
  83                     caEdrStateChangedCallback(state);
  84                 }
  85             }
  86
  87             if (action != null && action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
  88
  89                 int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
  90                                                    BluetoothDevice.ERROR);
  91
  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                         caEdrBondStateChangedCallback(device.getAddress());
 100                     }
 101                 }
 102             }
 103
 104             if (action != null && action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
 105                 BluetoothDevice device
 106                     = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 107                 if (BluetoothDevice.DEVICE_TYPE_CLASSIC == device.getType())
 108                 {
 109                     caEdrConnectionStateChangedCallback(device.getAddress(), 0);
 110                 }
 111             }
 112         }
 113     };
 114 }