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.os.UserHandle;
28import android.provider.Settings;
29import android.util.Slog;
30import android.widget.CompoundButton;
31
32public class AirplaneModeController extends BroadcastReceiver
33        implements CompoundButton.OnCheckedChangeListener {
34    private static final String TAG = "StatusBar.AirplaneModeController";
35
36    private Context mContext;
37    private CompoundButton mCheckBox;
38
39    private boolean mAirplaneMode;
40
41    public AirplaneModeController(Context context, CompoundButton checkbox) {
42        mContext = context;
43        mAirplaneMode = getAirplaneMode();
44        mCheckBox = checkbox;
45        checkbox.setChecked(mAirplaneMode);
46        checkbox.setOnCheckedChangeListener(this);
47
48        IntentFilter filter = new IntentFilter();
49        filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
50        context.registerReceiver(this, filter);
51
52    }
53
54    public void release() {
55        mContext.unregisterReceiver(this);
56    }
57
58    public void onCheckedChanged(CompoundButton view, boolean checked) {
59        if (checked != mAirplaneMode) {
60            mAirplaneMode = checked;
61            unsafe(checked);
62        }
63    }
64
65    public void onReceive(Context context, Intent intent) {
66        if (Intent.ACTION_AIRPLANE_MODE_CHANGED.equals(intent.getAction())) {
67            final boolean enabled = intent.getBooleanExtra("state", false);
68            if (enabled != mAirplaneMode) {
69                mAirplaneMode = enabled;
70                mCheckBox.setChecked(enabled);
71            }
72        }
73    }
74
75    private boolean getAirplaneMode() {
76        ContentResolver cr = mContext.getContentResolver();
77        return 0 != Settings.Global.getInt(cr, Settings.Global.AIRPLANE_MODE_ON, 0);
78    }
79
80    // TODO: Fix this racy API by adding something better to TelephonyManager or
81    // ConnectivityService.
82    private void unsafe(final boolean enabled) {
83        AsyncTask.execute(new Runnable() {
84                public void run() {
85                    Settings.Global.putInt(
86                            mContext.getContentResolver(),
87                            Settings.Global.AIRPLANE_MODE_ON,
88                            enabled ? 1 : 0);
89                    Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
90                    intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);
91                    intent.putExtra("state", enabled);
92                    mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
93                }
94            });
95    }
96}
97
98