Home | History | Annotate | Download | only in policy 
      1 /*
      2  * Copyright (C) 2010 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.systemui.statusbar.policy;
     18 
     19 import android.content.BroadcastReceiver;
     20 import android.content.ContentResolver;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.IntentFilter;
     24 import android.os.AsyncTask;
     25 import android.os.RemoteException;
     26 import android.os.ServiceManager;
     27 import android.provider.Settings;
     28 import android.util.Slog;
     29 import android.widget.CompoundButton;
     30 
     31 public class AirplaneModeController extends BroadcastReceiver
     32         implements CompoundButton.OnCheckedChangeListener {
     33     private static final String TAG = "StatusBar.AirplaneModeController";
     34 
     35     private Context mContext;
     36     private CompoundButton mCheckBox;
     37 
     38     private boolean mAirplaneMode;
     39 
     40     public AirplaneModeController(Context context, CompoundButton checkbox) {
     41         mContext = context;
     42         mAirplaneMode = getAirplaneMode();
     43         mCheckBox = checkbox;
     44         checkbox.setChecked(mAirplaneMode);
     45         checkbox.setOnCheckedChangeListener(this);
     46 
     47         IntentFilter filter = new IntentFilter();
     48         filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
     49         context.registerReceiver(this, filter);
     50 
     51     }
     52 
     53     public void release() {
     54         mContext.unregisterReceiver(this);
     55     }
     56 
     57     public void onCheckedChanged(CompoundButton view, boolean checked) {
     58         if (checked != mAirplaneMode) {
     59             mAirplaneMode = checked;
     60             unsafe(checked);
     61         }
     62     }
     63 
     64     public void onReceive(Context context, Intent intent) {
     65         if (Intent.ACTION_AIRPLANE_MODE_CHANGED.equals(intent.getAction())) {
     66             final boolean enabled = intent.getBooleanExtra("state", false);
     67             if (enabled != mAirplaneMode) {
     68                 mAirplaneMode = enabled;
     69                 mCheckBox.setChecked(enabled);
     70             }
     71         }
     72     }
     73 
     74     private boolean getAirplaneMode() {
     75         ContentResolver cr = mContext.getContentResolver();
     76         return 0 != Settings.System.getInt(cr, Settings.System.AIRPLANE_MODE_ON, 0);
     77     }
     78 
     79     // TODO: Fix this racy API by adding something better to TelephonyManager or
     80     // ConnectivityService.
     81     private void unsafe(final boolean enabled) {
     82         AsyncTask.execute(new Runnable() {
     83                 public void run() {
     84                     Settings.System.putInt(
     85                             mContext.getContentResolver(),
     86                             Settings.System.AIRPLANE_MODE_ON,
     87                             enabled ? 1 : 0);
     88                     Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
     89                     intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);
     90                     intent.putExtra("state", enabled);
     91                     mContext.sendBroadcast(intent);
     92                 }
     93             });
     94     }
     95 }
     96 
     97