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 | |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 19 | import com.android.settings.wifi.WifiApEnabler; |
| 20 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 21 | import android.os.Bundle; |
| 22 | import android.os.SystemProperties; |
| 23 | import android.content.BroadcastReceiver; |
| 24 | import android.content.Context; |
| 25 | import android.content.Intent; |
| 26 | import android.content.IntentFilter; |
| 27 | import android.net.ConnectivityManager; |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame] | 28 | import android.os.Environment; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 29 | import android.preference.CheckBoxPreference; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 30 | import android.preference.Preference; |
| 31 | import android.preference.PreferenceActivity; |
| 32 | import android.preference.PreferenceScreen; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 33 | import android.provider.Settings; |
| 34 | import android.util.Log; |
| 35 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 36 | import java.util.ArrayList; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 37 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 38 | /* |
| 39 | * Displays preferences for Tethering. |
| 40 | */ |
| 41 | public class TetherSettings extends PreferenceActivity { |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 42 | private static final String USB_TETHER_SETTINGS = "usb_tether_settings"; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 43 | private static final String ENABLE_WIFI_AP = "enable_wifi_ap"; |
| 44 | private static final String WIFI_AP_SETTINGS = "wifi_ap_settings"; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 45 | |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 46 | private CheckBoxPreference mUsbTether; |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 47 | |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 48 | private CheckBoxPreference mEnableWifiAp; |
| 49 | private PreferenceScreen mWifiApSettings; |
| 50 | private WifiApEnabler mWifiApEnabler; |
| 51 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 52 | private BroadcastReceiver mTetherChangeReceiver; |
| 53 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 54 | private String[] mUsbRegexs; |
| 55 | private ArrayList mUsbIfaces; |
| 56 | |
| 57 | private String[] mWifiRegexs; |
| 58 | private ArrayList mWifiIfaces; |
| 59 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 60 | @Override |
| 61 | protected void onCreate(Bundle icicle) { |
| 62 | super.onCreate(icicle); |
| 63 | |
| 64 | addPreferencesFromResource(R.xml.tether_prefs); |
| 65 | |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 66 | mEnableWifiAp = (CheckBoxPreference) findPreference(ENABLE_WIFI_AP); |
| 67 | mWifiApSettings = (PreferenceScreen) findPreference(WIFI_AP_SETTINGS); |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 68 | mUsbTether = (CheckBoxPreference) findPreference(USB_TETHER_SETTINGS); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 69 | |
| 70 | ConnectivityManager cm = |
| 71 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| 72 | mUsbRegexs = cm.getTetherableUsbRegexs(); |
| 73 | if (mUsbRegexs.length == 0) { |
| 74 | getPreferenceScreen().removePreference(mUsbTether); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 75 | } |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 76 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 77 | mWifiRegexs = cm.getTetherableWifiRegexs(); |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 78 | if (mWifiRegexs.length == 0) { |
| 79 | getPreferenceScreen().removePreference(mEnableWifiAp); |
| 80 | getPreferenceScreen().removePreference(mWifiApSettings); |
| 81 | } |
| 82 | mWifiApEnabler = new WifiApEnabler(this, mEnableWifiAp); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 83 | } |
| 84 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 85 | |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 86 | private class TetherChangeReceiver extends BroadcastReceiver { |
| 87 | public void onReceive(Context content, Intent intent) { |
Robert Greenwalt | a248876 | 2010-03-10 16:57:08 -0800 | [diff] [blame] | 88 | if (intent.getAction().equals(ConnectivityManager.ACTION_TETHER_STATE_CHANGED)) { |
| 89 | // TODO - this should understand the interface types |
| 90 | ArrayList<String> available = intent.getStringArrayListExtra( |
| 91 | ConnectivityManager.EXTRA_AVAILABLE_TETHER); |
| 92 | ArrayList<String> active = intent.getStringArrayListExtra( |
| 93 | ConnectivityManager.EXTRA_ACTIVE_TETHER); |
| 94 | ArrayList<String> errored = intent.getStringArrayListExtra( |
| 95 | ConnectivityManager.EXTRA_ERRORED_TETHER); |
| 96 | updateState(available.toArray(), active.toArray(), errored.toArray()); |
| 97 | } else if (intent.getAction().equals(Intent.ACTION_MEDIA_SHARED) || |
| 98 | intent.getAction().equals(Intent.ACTION_MEDIA_UNSHARED)) { |
| 99 | updateState(); |
| 100 | } |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 101 | } |
| 102 | } |
| 103 | |
| 104 | @Override |
| 105 | protected void onResume() { |
| 106 | super.onResume(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 107 | |
| 108 | IntentFilter filter = new IntentFilter(ConnectivityManager.ACTION_TETHER_STATE_CHANGED); |
| 109 | mTetherChangeReceiver = new TetherChangeReceiver(); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 110 | Intent intent = registerReceiver(mTetherChangeReceiver, filter); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 111 | |
Robert Greenwalt | f0ed2f3 | 2010-03-12 10:28:35 -0800 | [diff] [blame^] | 112 | filter = new IntentFilter(); |
| 113 | filter.addAction(Intent.ACTION_MEDIA_SHARED); |
| 114 | filter.addAction(Intent.ACTION_MEDIA_UNSHARED); |
| 115 | filter.addDataScheme("file"); |
| 116 | registerReceiver(mTetherChangeReceiver, filter); |
| 117 | |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 118 | if (intent != null) mTetherChangeReceiver.onReceive(this, intent); |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 119 | mWifiApEnabler.resume(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | @Override |
| 123 | protected void onPause() { |
| 124 | super.onPause(); |
| 125 | unregisterReceiver(mTetherChangeReceiver); |
| 126 | mTetherChangeReceiver = null; |
Irfan Sheriff | 65cff17 | 2010-02-08 10:46:30 -0800 | [diff] [blame] | 127 | mWifiApEnabler.pause(); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 128 | } |
| 129 | |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 130 | private void updateState() { |
| 131 | ConnectivityManager cm = |
| 132 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| 133 | |
| 134 | String[] available = cm.getTetherableIfaces(); |
| 135 | String[] tethered = cm.getTetheredIfaces(); |
| 136 | String[] errored = cm.getTetheringErroredIfaces(); |
| 137 | updateState(available, tethered, errored); |
| 138 | } |
| 139 | |
| 140 | private void updateState(Object[] available, Object[] tethered, |
| 141 | Object[] errored) { |
| 142 | ConnectivityManager cm = |
| 143 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 144 | boolean usbTethered = false; |
| 145 | boolean usbAvailable = false; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 146 | int usbError = ConnectivityManager.TETHER_ERROR_NO_ERROR; |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 147 | boolean usbErrored = false; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 148 | boolean wifiTethered = false; |
| 149 | boolean wifiAvailable = false; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 150 | int wifiError = ConnectivityManager.TETHER_ERROR_NO_ERROR; |
Mike Lockwood | 26dad3e | 2010-03-03 06:19:55 -0500 | [diff] [blame] | 151 | boolean massStorageActive = |
| 152 | Environment.MEDIA_SHARED.equals(Environment.getExternalStorageState()); |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 153 | boolean wifiErrored = false; |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 154 | for (Object o : available) { |
| 155 | String s = (String)o; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 156 | for (String regex : mUsbRegexs) { |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 157 | if (s.matches(regex)) { |
| 158 | usbAvailable = true; |
| 159 | if (usbError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 160 | usbError = cm.getLastTetherError(s); |
| 161 | } |
| 162 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 163 | } |
| 164 | for (String regex : mWifiRegexs) { |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 165 | if (s.matches(regex)) { |
| 166 | wifiAvailable = true; |
| 167 | if (wifiError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 168 | wifiError = cm.getLastTetherError(s); |
| 169 | } |
| 170 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 171 | } |
| 172 | } |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 173 | for (Object o : tethered) { |
| 174 | String s = (String)o; |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 175 | for (String regex : mUsbRegexs) { |
| 176 | if (s.matches(regex)) usbTethered = true; |
| 177 | } |
| 178 | for (String regex : mWifiRegexs) { |
| 179 | if (s.matches(regex)) wifiTethered = true; |
| 180 | } |
| 181 | } |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 182 | for (Object o: errored) { |
| 183 | String s = (String)o; |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 184 | for (String regex : mUsbRegexs) { |
| 185 | if (s.matches(regex)) usbErrored = true; |
| 186 | } |
| 187 | for (String regex : mWifiRegexs) { |
| 188 | if (s.matches(regex)) wifiErrored = true; |
| 189 | } |
| 190 | } |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 191 | |
| 192 | if (usbTethered) { |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 193 | mUsbTether.setSummary(R.string.usb_tethering_active_subtext); |
| 194 | mUsbTether.setEnabled(true); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 195 | mUsbTether.setChecked(true); |
Robert Greenwalt | c4764d2 | 2010-02-12 14:21:37 -0800 | [diff] [blame] | 196 | } else if (usbAvailable) { |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 197 | if (usbError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 198 | mUsbTether.setSummary(R.string.usb_tethering_available_subtext); |
| 199 | } else { |
| 200 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 201 | } |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 202 | mUsbTether.setEnabled(true); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 203 | mUsbTether.setChecked(false); |
Robert Greenwalt | d5f121c | 2010-03-02 17:33:11 -0800 | [diff] [blame] | 204 | } else if (usbErrored) { |
| 205 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 206 | mUsbTether.setEnabled(false); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 207 | mUsbTether.setChecked(false); |
Robert Greenwalt | a248876 | 2010-03-10 16:57:08 -0800 | [diff] [blame] | 208 | } else if (massStorageActive) { |
| 209 | mUsbTether.setSummary(R.string.usb_tethering_storage_active_subtext); |
| 210 | mUsbTether.setEnabled(false); |
| 211 | mUsbTether.setChecked(false); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 212 | } else { |
| 213 | mUsbTether.setSummary(R.string.usb_tethering_unavailable_subtext); |
| 214 | mUsbTether.setEnabled(false); |
Robert Greenwalt | 204e7c1 | 2010-03-05 19:00:30 -0800 | [diff] [blame] | 215 | mUsbTether.setChecked(false); |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 216 | } |
| 217 | } |
Robert Greenwalt | 209177a | 2010-03-04 13:29:02 -0800 | [diff] [blame] | 218 | |
| 219 | @Override |
| 220 | public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { |
| 221 | if (preference == mUsbTether) { |
| 222 | boolean newState = mUsbTether.isChecked(); |
| 223 | |
| 224 | ConnectivityManager cm = |
| 225 | (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| 226 | |
| 227 | if (newState) { |
| 228 | String[] available = cm.getTetherableIfaces(); |
| 229 | |
| 230 | String usbIface = findIface(available, mUsbRegexs); |
| 231 | if (usbIface == null) { |
| 232 | updateState(); |
| 233 | return true; |
| 234 | } |
| 235 | if (cm.tether(usbIface) != ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 236 | mUsbTether.setChecked(false); |
| 237 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 238 | return true; |
| 239 | } |
| 240 | mUsbTether.setSummary(""); |
| 241 | } else { |
| 242 | String [] tethered = cm.getTetheredIfaces(); |
| 243 | |
| 244 | String usbIface = findIface(tethered, mUsbRegexs); |
| 245 | if (usbIface == null) { |
| 246 | updateState(); |
| 247 | return true; |
| 248 | } |
| 249 | if (cm.untether(usbIface) != ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 250 | mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| 251 | return true; |
| 252 | } |
| 253 | mUsbTether.setSummary(""); |
| 254 | } |
| 255 | } |
| 256 | return false; |
| 257 | } |
| 258 | |
| 259 | private String findIface(String[] ifaces, String[] regexes) { |
| 260 | for (String iface : ifaces) { |
| 261 | for (String regex : regexes) { |
| 262 | if (iface.matches(regex)) { |
| 263 | return iface; |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | return null; |
| 268 | } |
Robert Greenwalt | 3901edb | 2010-01-26 10:22:37 -0800 | [diff] [blame] | 269 | } |