Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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.os.Bundle; |
| 20 | import android.os.SystemProperties; |
| 21 | import android.content.BroadcastReceiver; |
| 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
| 24 | import android.content.IntentFilter; |
| 25 | import android.net.ConnectivityManager; |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame^] | 26 | import android.os.Environment; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 27 | import android.preference.Preference; |
| 28 | import android.preference.PreferenceActivity; |
| 29 | import android.preference.PreferenceScreen; |
| 30 | import android.preference.CheckBoxPreference; |
| 31 | import android.provider.Settings; |
| 32 | import android.util.Log; |
| 33 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 34 | import java.util.ArrayList; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 35 | /* |
| 36 | * Displays preferences for Tethering. |
| 37 | */ |
| 38 | public class TetherSettings extends PreferenceActivity { |
| 39 | |
| 40 | private static final String ENABLE_TETHER_NOTICE = "enable_tether_notice"; |
| 41 | private static final String USB_TETHER_SETTINGS = "usb_tether_settings"; |
| 42 | |
| 43 | private CheckBoxPreference mEnableTetherNotice; |
| 44 | private PreferenceScreen mUsbTether; |
| 45 | |
| 46 | private BroadcastReceiver mTetherChangeReceiver; |
| 47 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 48 | private String[] mUsbRegexs; |
| 49 | private ArrayList mUsbIfaces; |
| 50 | |
| 51 | private String[] mWifiRegexs; |
| 52 | private ArrayList mWifiIfaces; |
| 53 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 54 | @Override |
| 55 | protected void onCreate(Bundle icicle) { |
| 56 | super.onCreate(icicle); |
| 57 | |
| 58 | addPreferencesFromResource(R.xml.tether_prefs); |
| 59 | |
| 60 | mEnableTetherNotice = (CheckBoxPreference) findPreference(ENABLE_TETHER_NOTICE); |
| 61 | mUsbTether = (PreferenceScreen) findPreference(USB_TETHER_SETTINGS); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 62 | |
| 63 | ConnectivityManager cm = |
| 64 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| 65 | mUsbRegexs = cm.getTetherableUsbRegexs(); |
| 66 | if (mUsbRegexs.length == 0) { |
| 67 | getPreferenceScreen().removePreference(mUsbTether); |
| 68 | getPreferenceScreen().removePreference(mEnableTetherNotice); |
| 69 | } |
| 70 | mWifiRegexs = cm.getTetherableWifiRegexs(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 71 | } |
| 72 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 73 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 74 | private class TetherChangeReceiver extends BroadcastReceiver { |
| 75 | public void onReceive(Context content, Intent intent) { |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 76 | // TODO - this should understand the interface types |
| 77 | ArrayList<String> available = intent.getStringArrayListExtra( |
| 78 | ConnectivityManager.EXTRA_AVAILABLE_TETHER); |
| 79 | ArrayList<String> active = intent.getStringArrayListExtra( |
| 80 | ConnectivityManager.EXTRA_ACTIVE_TETHER); |
| 81 | |
| 82 | updateState(available, active); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 83 | } |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | protected void onResume() { |
| 88 | super.onResume(); |
| 89 | mEnableTetherNotice.setChecked(Settings.Secure.getInt(getContentResolver(), |
| 90 | Settings.Secure.TETHER_NOTIFY, 0) != 0); |
| 91 | |
| 92 | IntentFilter filter = new IntentFilter(ConnectivityManager.ACTION_TETHER_STATE_CHANGED); |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame^] | 93 | filter.addAction(Intent.ACTION_MEDIA_SHARED); |
| 94 | filter.addAction(Intent.ACTION_MEDIA_UNSHARED); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 95 | mTetherChangeReceiver = new TetherChangeReceiver(); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 96 | Intent intent = registerReceiver(mTetherChangeReceiver, filter); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 97 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 98 | if (intent != null) mTetherChangeReceiver.onReceive(this, intent); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | @Override |
| 102 | protected void onPause() { |
| 103 | super.onPause(); |
| 104 | unregisterReceiver(mTetherChangeReceiver); |
| 105 | mTetherChangeReceiver = null; |
| 106 | } |
| 107 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 108 | private void updateState(ArrayList<String> available, ArrayList<String> tethered) { |
| 109 | boolean usbTethered = false; |
| 110 | boolean usbAvailable = false; |
| 111 | boolean wifiTethered = false; |
| 112 | boolean wifiAvailable = false; |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame^] | 113 | boolean massStorageActive = |
| 114 | Environment.MEDIA_SHARED.equals(Environment.getExternalStorageState()); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 115 | |
| 116 | for (String s : available) { |
| 117 | for (String regex : mUsbRegexs) { |
| 118 | if (s.matches(regex)) usbAvailable = true; |
| 119 | } |
| 120 | for (String regex : mWifiRegexs) { |
| 121 | if (s.matches(regex)) wifiAvailable = true; |
| 122 | } |
| 123 | } |
| 124 | for (String s : tethered) { |
| 125 | for (String regex : mUsbRegexs) { |
| 126 | if (s.matches(regex)) usbTethered = true; |
| 127 | } |
| 128 | for (String regex : mWifiRegexs) { |
| 129 | if (s.matches(regex)) wifiTethered = true; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | if (usbTethered) { |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 134 | mUsbTether.setSummary(R.string.usb_tethering_active_subtext); |
| 135 | mUsbTether.setEnabled(true); |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame^] | 136 | } else if (massStorageActive) { |
| 137 | mUsbTether.setSummary(R.string.usb_tethering_storage_active_subtext); |
| 138 | mUsbTether.setEnabled(false); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 139 | } else if (usbAvailable) { |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 140 | mUsbTether.setSummary(R.string.usb_tethering_available_subtext); |
| 141 | mUsbTether.setEnabled(true); |
| 142 | } else { |
| 143 | mUsbTether.setSummary(R.string.usb_tethering_unavailable_subtext); |
| 144 | mUsbTether.setEnabled(false); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { |
| 150 | |
| 151 | if (preference == mEnableTetherNotice) { |
| 152 | boolean newState = mEnableTetherNotice.isChecked(); |
| 153 | Settings.Secure.putInt(getContentResolver(), |
| 154 | Settings.Secure.TETHER_NOTIFY, newState ? 1 : 0); |
| 155 | return true; |
| 156 | } |
| 157 | return false; |
| 158 | } |
| 159 | |
| 160 | } |