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      1 /*
      2  * Copyright (C) 2012 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.android.settingslib.bluetooth;
     18 
     19 /* Required to handle timeout notification when phone is suspended */
     20 import android.app.AlarmManager;
     21 import android.app.PendingIntent;
     22 import android.bluetooth.BluetoothAdapter;
     23 import android.content.BroadcastReceiver;
     24 import android.content.Context;
     25 import android.content.Intent;
     26 import android.util.Log;
     27 
     28 
     29 public class BluetoothDiscoverableTimeoutReceiver extends BroadcastReceiver {
     30     private static final String TAG = "BluetoothDiscoverableTimeoutReceiver";
     31 
     32     private static final String INTENT_DISCOVERABLE_TIMEOUT =
     33         "android.bluetooth.intent.DISCOVERABLE_TIMEOUT";
     34 
     35     public static void setDiscoverableAlarm(Context context, long alarmTime) {
     36         Log.d(TAG, "setDiscoverableAlarm(): alarmTime = " + alarmTime);
     37 
     38         Intent intent = new Intent(INTENT_DISCOVERABLE_TIMEOUT);
     39         intent.setClass(context, BluetoothDiscoverableTimeoutReceiver.class);
     40         PendingIntent pending = PendingIntent.getBroadcast(
     41             context, 0, intent, 0);
     42         AlarmManager alarmManager =
     43               (AlarmManager) context.getSystemService (Context.ALARM_SERVICE);
     44 
     45         if (pending != null) {
     46             // Cancel any previous alarms that do the same thing.
     47             alarmManager.cancel(pending);
     48             Log.d(TAG, "setDiscoverableAlarm(): cancel prev alarm");
     49         }
     50         pending = PendingIntent.getBroadcast(
     51             context, 0, intent, 0);
     52 
     53         alarmManager.set(AlarmManager.RTC_WAKEUP, alarmTime, pending);
     54     }
     55 
     56     public static void cancelDiscoverableAlarm(Context context) {
     57         Log.d(TAG, "cancelDiscoverableAlarm(): Enter");
     58 
     59         Intent intent = new Intent(INTENT_DISCOVERABLE_TIMEOUT);
     60         intent.setClass(context, BluetoothDiscoverableTimeoutReceiver.class);
     61         PendingIntent pending = PendingIntent.getBroadcast(
     62             context, 0, intent, PendingIntent.FLAG_NO_CREATE);
     63         if (pending != null) {
     64             // Cancel any previous alarms that do the same thing.
     65             AlarmManager alarmManager =
     66               (AlarmManager) context.getSystemService (Context.ALARM_SERVICE);
     67 
     68             alarmManager.cancel(pending);
     69         }
     70     }
     71 
     72     @Override
     73     public void onReceive(Context context, Intent intent) {
     74         if (intent.getAction() == null || !intent.getAction().equals(INTENT_DISCOVERABLE_TIMEOUT)) {
     75             return;
     76         }
     77         LocalBluetoothAdapter localBluetoothAdapter = LocalBluetoothAdapter.getInstance();
     78         if(localBluetoothAdapter != null  &&
     79             localBluetoothAdapter.getState() == BluetoothAdapter.STATE_ON) {
     80             Log.d(TAG, "Disable discoverable...");
     81             localBluetoothAdapter.setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE);
     82         } else {
     83             Log.e(TAG, "localBluetoothAdapter is NULL!!");
     84         }
     85     }
     86 };
     87