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 17package com.android.systemui.statusbar.policy; 18 19import android.content.BroadcastReceiver; 20import android.content.ContentResolver; 21import android.content.Context; 22import android.content.Intent; 23import android.content.IntentFilter; 24import android.os.AsyncTask; 25import android.os.RemoteException; 26import android.os.ServiceManager; 27import android.provider.Settings; 28import android.util.Slog; 29import android.widget.CompoundButton; 30 31public 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