1 /* 2 * Copyright (C) 2007 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.settings; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.database.ContentObserver; 22 import android.os.Handler; 23 import android.os.Message; 24 import android.os.SystemProperties; 25 import android.os.UserHandle; 26 import android.provider.Settings; 27 import android.support.v14.preference.SwitchPreference; 28 import android.support.v7.preference.Preference; 29 30 import com.android.internal.logging.MetricsLogger; 31 import com.android.internal.logging.MetricsProto.MetricsEvent; 32 import com.android.internal.telephony.PhoneStateIntentReceiver; 33 import com.android.internal.telephony.TelephonyProperties; 34 import com.android.settingslib.WirelessUtils; 35 36 public class AirplaneModeEnabler implements Preference.OnPreferenceChangeListener { 37 38 private final Context mContext; 39 40 private PhoneStateIntentReceiver mPhoneStateReceiver; 41 42 private final SwitchPreference mSwitchPref; 43 44 private static final int EVENT_SERVICE_STATE_CHANGED = 3; 45 46 private Handler mHandler = new Handler() { 47 @Override 48 public void handleMessage(Message msg) { 49 switch (msg.what) { 50 case EVENT_SERVICE_STATE_CHANGED: 51 onAirplaneModeChanged(); 52 break; 53 } 54 } 55 }; 56 57 private ContentObserver mAirplaneModeObserver = new ContentObserver(new Handler()) { 58 @Override 59 public void onChange(boolean selfChange) { 60 onAirplaneModeChanged(); 61 } 62 }; 63 AirplaneModeEnabler(Context context, SwitchPreference airplaneModeSwitchPreference)64 public AirplaneModeEnabler(Context context, SwitchPreference airplaneModeSwitchPreference) { 65 66 mContext = context; 67 mSwitchPref = airplaneModeSwitchPreference; 68 69 airplaneModeSwitchPreference.setPersistent(false); 70 71 mPhoneStateReceiver = new PhoneStateIntentReceiver(mContext, mHandler); 72 mPhoneStateReceiver.notifyServiceState(EVENT_SERVICE_STATE_CHANGED); 73 } 74 resume()75 public void resume() { 76 77 mSwitchPref.setChecked(WirelessUtils.isAirplaneModeOn(mContext)); 78 79 mPhoneStateReceiver.registerIntent(); 80 mSwitchPref.setOnPreferenceChangeListener(this); 81 mContext.getContentResolver().registerContentObserver( 82 Settings.Global.getUriFor(Settings.Global.AIRPLANE_MODE_ON), true, 83 mAirplaneModeObserver); 84 } 85 pause()86 public void pause() { 87 mPhoneStateReceiver.unregisterIntent(); 88 mSwitchPref.setOnPreferenceChangeListener(null); 89 mContext.getContentResolver().unregisterContentObserver(mAirplaneModeObserver); 90 } 91 setAirplaneModeOn(boolean enabling)92 private void setAirplaneModeOn(boolean enabling) { 93 // Change the system setting 94 Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 95 enabling ? 1 : 0); 96 // Update the UI to reflect system setting 97 mSwitchPref.setChecked(enabling); 98 99 // Post the intent 100 Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED); 101 intent.putExtra("state", enabling); 102 mContext.sendBroadcastAsUser(intent, UserHandle.ALL); 103 } 104 105 /** 106 * Called when we've received confirmation that the airplane mode was set. 107 * TODO: We update the checkbox summary when we get notified 108 * that mobile radio is powered up/down. We should not have dependency 109 * on one radio alone. We need to do the following: 110 * - handle the case of wifi/bluetooth failures 111 * - mobile does not send failure notification, fail on timeout. 112 */ onAirplaneModeChanged()113 private void onAirplaneModeChanged() { 114 mSwitchPref.setChecked(WirelessUtils.isAirplaneModeOn(mContext)); 115 } 116 117 /** 118 * Called when someone clicks on the checkbox preference. 119 */ onPreferenceChange(Preference preference, Object newValue)120 public boolean onPreferenceChange(Preference preference, Object newValue) { 121 if (Boolean.parseBoolean( 122 SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) { 123 // In ECM mode, do not update database at this point 124 } else { 125 Boolean value = (Boolean) newValue; 126 MetricsLogger.action(mContext, MetricsEvent.ACTION_AIRPLANE_TOGGLE, value); 127 setAirplaneModeOn(value); 128 } 129 return true; 130 } 131 setAirplaneModeInECM(boolean isECMExit, boolean isAirplaneModeOn)132 public void setAirplaneModeInECM(boolean isECMExit, boolean isAirplaneModeOn) { 133 if (isECMExit) { 134 // update database based on the current checkbox state 135 setAirplaneModeOn(isAirplaneModeOn); 136 } else { 137 // update summary 138 onAirplaneModeChanged(); 139 } 140 } 141 142 } 143