Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 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 | |
| 17 | package com.android.server.location; |
| 18 | |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 19 | import android.content.Context; |
| 20 | import android.location.Country; |
| 21 | import android.location.CountryListener; |
| 22 | import android.location.Geocoder; |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 23 | import android.os.SystemClock; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 24 | import android.provider.Settings; |
| 25 | import android.telephony.PhoneStateListener; |
| 26 | import android.telephony.ServiceState; |
| 27 | import android.telephony.TelephonyManager; |
| 28 | import android.text.TextUtils; |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 29 | import android.util.Log; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 30 | import android.util.Slog; |
| 31 | |
Marc Blank | 141e00c | 2010-09-20 20:35:09 -0700 | [diff] [blame] | 32 | import java.util.Locale; |
| 33 | import java.util.Timer; |
| 34 | import java.util.TimerTask; |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 35 | import java.util.concurrent.ConcurrentLinkedQueue; |
Marc Blank | 141e00c | 2010-09-20 20:35:09 -0700 | [diff] [blame] | 36 | |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 37 | /** |
| 38 | * This class is used to detect the country where the user is. The sources of |
| 39 | * country are queried in order of reliability, like |
| 40 | * <ul> |
| 41 | * <li>Mobile network</li> |
| 42 | * <li>Location</li> |
| 43 | * <li>SIM's country</li> |
| 44 | * <li>Phone's locale</li> |
| 45 | * </ul> |
| 46 | * <p> |
| 47 | * Call the {@link #detectCountry()} to get the available country immediately. |
| 48 | * <p> |
| 49 | * To be notified of the future country change, using the |
| 50 | * {@link #setCountryListener(CountryListener)} |
| 51 | * <p> |
| 52 | * Using the {@link #stop()} to stop listening to the country change. |
| 53 | * <p> |
| 54 | * The country information will be refreshed every |
| 55 | * {@link #LOCATION_REFRESH_INTERVAL} once the location based country is used. |
| 56 | * |
| 57 | * @hide |
| 58 | */ |
| 59 | public class ComprehensiveCountryDetector extends CountryDetectorBase { |
| 60 | |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 61 | private final static String TAG = "CountryDetector"; |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 62 | /* package */ static final boolean DEBUG = false; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 63 | |
| 64 | /** |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 65 | * Max length of logs to maintain for debugging. |
| 66 | */ |
| 67 | private static final int MAX_LENGTH_DEBUG_LOGS = 20; |
| 68 | |
| 69 | /** |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 70 | * The refresh interval when the location based country was used |
| 71 | */ |
| 72 | private final static long LOCATION_REFRESH_INTERVAL = 1000 * 60 * 60 * 24; // 1 day |
| 73 | |
| 74 | protected CountryDetectorBase mLocationBasedCountryDetector; |
| 75 | protected Timer mLocationRefreshTimer; |
| 76 | |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 77 | private Country mCountry; |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 78 | private final TelephonyManager mTelephonyManager; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 79 | private Country mCountryFromLocation; |
| 80 | private boolean mStopped = false; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 81 | |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 82 | private PhoneStateListener mPhoneStateListener; |
| 83 | |
| 84 | /** |
| 85 | * List of the most recent country state changes for debugging. This should have |
| 86 | * a max length of MAX_LENGTH_LOGS. |
| 87 | */ |
| 88 | private final ConcurrentLinkedQueue<Country> mDebugLogs = new ConcurrentLinkedQueue<Country>(); |
| 89 | |
| 90 | /** |
| 91 | * Most recent {@link Country} result that was added to the debug logs {@link #mDebugLogs}. |
| 92 | * We keep track of this value to help prevent adding many of the same {@link Country} objects |
| 93 | * to the logs. |
| 94 | */ |
| 95 | private Country mLastCountryAddedToLogs; |
| 96 | |
| 97 | /** |
| 98 | * Object used to synchronize access to {@link #mLastCountryAddedToLogs}. Be careful if |
| 99 | * using it to synchronize anything else in this file. |
| 100 | */ |
| 101 | private final Object mObject = new Object(); |
| 102 | |
| 103 | /** |
| 104 | * Start time of the current session for which the detector has been active. |
| 105 | */ |
| 106 | private long mStartTime; |
| 107 | |
| 108 | /** |
| 109 | * Stop time of the most recent session for which the detector was active. |
| 110 | */ |
| 111 | private long mStopTime; |
| 112 | |
| 113 | /** |
| 114 | * The sum of all the time intervals in which the detector was active. |
| 115 | */ |
| 116 | private long mTotalTime; |
| 117 | |
| 118 | /** |
| 119 | * Number of {@link PhoneStateListener#onServiceStateChanged(ServiceState state)} events that |
| 120 | * have occurred for the current session for which the detector has been active. |
| 121 | */ |
| 122 | private int mCountServiceStateChanges; |
| 123 | |
| 124 | /** |
| 125 | * Total number of {@link PhoneStateListener#onServiceStateChanged(ServiceState state)} events |
| 126 | * that have occurred for all time intervals in which the detector has been active. |
| 127 | */ |
| 128 | private int mTotalCountServiceStateChanges; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 129 | |
| 130 | /** |
| 131 | * The listener for receiving the notification from LocationBasedCountryDetector. |
| 132 | */ |
| 133 | private CountryListener mLocationBasedCountryDetectionListener = new CountryListener() { |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 134 | @Override |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 135 | public void onCountryDetected(Country country) { |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 136 | if (DEBUG) Slog.d(TAG, "Country detected via LocationBasedCountryDetector"); |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 137 | mCountryFromLocation = country; |
| 138 | // Don't start the LocationBasedCountryDetector. |
| 139 | detectCountry(true, false); |
| 140 | stopLocationBasedDetector(); |
| 141 | } |
| 142 | }; |
| 143 | |
| 144 | public ComprehensiveCountryDetector(Context context) { |
| 145 | super(context); |
| 146 | mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public Country detectCountry() { |
| 151 | // Don't start the LocationBasedCountryDetector if we have been stopped. |
| 152 | return detectCountry(false, !mStopped); |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public void stop() { |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 157 | // Note: this method in this subclass called only by tests. |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 158 | Slog.i(TAG, "Stop the detector."); |
| 159 | cancelLocationRefresh(); |
| 160 | removePhoneStateListener(); |
| 161 | stopLocationBasedDetector(); |
| 162 | mListener = null; |
| 163 | mStopped = true; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Get the country from different sources in order of the reliability. |
| 168 | */ |
| 169 | private Country getCountry() { |
| 170 | Country result = null; |
| 171 | result = getNetworkBasedCountry(); |
| 172 | if (result == null) { |
| 173 | result = getLastKnownLocationBasedCountry(); |
| 174 | } |
| 175 | if (result == null) { |
| 176 | result = getSimBasedCountry(); |
| 177 | } |
| 178 | if (result == null) { |
| 179 | result = getLocaleCountry(); |
| 180 | } |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 181 | addToLogs(result); |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 182 | return result; |
| 183 | } |
| 184 | |
| 185 | /** |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 186 | * Attempt to add this {@link Country} to the debug logs. |
| 187 | */ |
| 188 | private void addToLogs(Country country) { |
| 189 | if (country == null) { |
| 190 | return; |
| 191 | } |
| 192 | // If the country (ISO and source) are the same as before, then there is no |
| 193 | // need to add this country as another entry in the logs. Synchronize access to this |
| 194 | // variable since multiple threads could be calling this method. |
| 195 | synchronized (mObject) { |
| 196 | if (mLastCountryAddedToLogs != null && mLastCountryAddedToLogs.equals(country)) { |
| 197 | return; |
| 198 | } |
| 199 | mLastCountryAddedToLogs = country; |
| 200 | } |
| 201 | // Manually maintain a max limit for the list of logs |
| 202 | if (mDebugLogs.size() >= MAX_LENGTH_DEBUG_LOGS) { |
| 203 | mDebugLogs.poll(); |
| 204 | } |
Daniel Lehmann | 0e87370 | 2012-03-12 17:04:17 -0700 | [diff] [blame] | 205 | if (DEBUG) { |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 206 | Slog.d(TAG, country.toString()); |
| 207 | } |
| 208 | mDebugLogs.add(country); |
| 209 | } |
| 210 | |
| 211 | private boolean isNetworkCountryCodeAvailable() { |
| 212 | // On CDMA TelephonyManager.getNetworkCountryIso() just returns SIM country. We don't want |
| 213 | // to prioritize it over location based country, so ignore it. |
| 214 | final int phoneType = mTelephonyManager.getPhoneType(); |
| 215 | if (DEBUG) Slog.v(TAG, " phonetype=" + phoneType); |
| 216 | return phoneType == TelephonyManager.PHONE_TYPE_GSM; |
| 217 | } |
| 218 | |
| 219 | /** |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 220 | * @return the country from the mobile network. |
| 221 | */ |
| 222 | protected Country getNetworkBasedCountry() { |
| 223 | String countryIso = null; |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 224 | if (isNetworkCountryCodeAvailable()) { |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 225 | countryIso = mTelephonyManager.getNetworkCountryIso(); |
| 226 | if (!TextUtils.isEmpty(countryIso)) { |
| 227 | return new Country(countryIso, Country.COUNTRY_SOURCE_NETWORK); |
| 228 | } |
| 229 | } |
| 230 | return null; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * @return the cached location based country. |
| 235 | */ |
| 236 | protected Country getLastKnownLocationBasedCountry() { |
| 237 | return mCountryFromLocation; |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * @return the country from SIM card |
| 242 | */ |
| 243 | protected Country getSimBasedCountry() { |
| 244 | String countryIso = null; |
| 245 | countryIso = mTelephonyManager.getSimCountryIso(); |
| 246 | if (!TextUtils.isEmpty(countryIso)) { |
| 247 | return new Country(countryIso, Country.COUNTRY_SOURCE_SIM); |
| 248 | } |
| 249 | return null; |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * @return the country from the system's locale. |
| 254 | */ |
| 255 | protected Country getLocaleCountry() { |
| 256 | Locale defaultLocale = Locale.getDefault(); |
| 257 | if (defaultLocale != null) { |
| 258 | return new Country(defaultLocale.getCountry(), Country.COUNTRY_SOURCE_LOCALE); |
| 259 | } else { |
| 260 | return null; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * @param notifyChange indicates whether the listener should be notified the change of the |
| 266 | * country |
| 267 | * @param startLocationBasedDetection indicates whether the LocationBasedCountryDetector could |
| 268 | * be started if the current country source is less reliable than the location. |
| 269 | * @return the current available UserCountry |
| 270 | */ |
| 271 | private Country detectCountry(boolean notifyChange, boolean startLocationBasedDetection) { |
| 272 | Country country = getCountry(); |
| 273 | runAfterDetectionAsync(mCountry != null ? new Country(mCountry) : mCountry, country, |
| 274 | notifyChange, startLocationBasedDetection); |
| 275 | mCountry = country; |
| 276 | return mCountry; |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Run the tasks in the service's thread. |
| 281 | */ |
| 282 | protected void runAfterDetectionAsync(final Country country, final Country detectedCountry, |
| 283 | final boolean notifyChange, final boolean startLocationBasedDetection) { |
| 284 | mHandler.post(new Runnable() { |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 285 | @Override |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 286 | public void run() { |
| 287 | runAfterDetection( |
| 288 | country, detectedCountry, notifyChange, startLocationBasedDetection); |
| 289 | } |
| 290 | }); |
| 291 | } |
| 292 | |
| 293 | @Override |
| 294 | public void setCountryListener(CountryListener listener) { |
| 295 | CountryListener prevListener = mListener; |
| 296 | mListener = listener; |
| 297 | if (mListener == null) { |
| 298 | // Stop listening all services |
| 299 | removePhoneStateListener(); |
| 300 | stopLocationBasedDetector(); |
| 301 | cancelLocationRefresh(); |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 302 | mStopTime = SystemClock.elapsedRealtime(); |
| 303 | mTotalTime += mStopTime; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 304 | } else if (prevListener == null) { |
| 305 | addPhoneStateListener(); |
| 306 | detectCountry(false, true); |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 307 | mStartTime = SystemClock.elapsedRealtime(); |
| 308 | mStopTime = 0; |
| 309 | mCountServiceStateChanges = 0; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 310 | } |
| 311 | } |
| 312 | |
| 313 | void runAfterDetection(final Country country, final Country detectedCountry, |
| 314 | final boolean notifyChange, final boolean startLocationBasedDetection) { |
| 315 | if (notifyChange) { |
| 316 | notifyIfCountryChanged(country, detectedCountry); |
| 317 | } |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 318 | if (DEBUG) { |
| 319 | Slog.d(TAG, "startLocationBasedDetection=" + startLocationBasedDetection |
| 320 | + " detectCountry=" + (detectedCountry == null ? null : |
| 321 | "(source: " + detectedCountry.getSource() |
| 322 | + ", countryISO: " + detectedCountry.getCountryIso() + ")") |
| 323 | + " isAirplaneModeOff()=" + isAirplaneModeOff() |
| 324 | + " mListener=" + mListener |
| 325 | + " isGeoCoderImplemnted()=" + isGeoCoderImplemented()); |
| 326 | } |
| 327 | |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 328 | if (startLocationBasedDetection && (detectedCountry == null |
| 329 | || detectedCountry.getSource() > Country.COUNTRY_SOURCE_LOCATION) |
| 330 | && isAirplaneModeOff() && mListener != null && isGeoCoderImplemented()) { |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 331 | if (DEBUG) Slog.d(TAG, "run startLocationBasedDetector()"); |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 332 | // Start finding location when the source is less reliable than the |
| 333 | // location and the airplane mode is off (as geocoder will not |
| 334 | // work). |
| 335 | // TODO : Shall we give up starting the detector within a |
| 336 | // period of time? |
| 337 | startLocationBasedDetector(mLocationBasedCountryDetectionListener); |
| 338 | } |
| 339 | if (detectedCountry == null |
| 340 | || detectedCountry.getSource() >= Country.COUNTRY_SOURCE_LOCATION) { |
| 341 | // Schedule the location refresh if the country source is |
| 342 | // not more reliable than the location or no country is |
| 343 | // found. |
| 344 | // TODO: Listen to the preference change of GPS, Wifi etc, |
| 345 | // and start detecting the country. |
| 346 | scheduleLocationRefresh(); |
| 347 | } else { |
| 348 | // Cancel the location refresh once the current source is |
| 349 | // more reliable than the location. |
| 350 | cancelLocationRefresh(); |
| 351 | stopLocationBasedDetector(); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * Find the country from LocationProvider. |
| 357 | */ |
| 358 | private synchronized void startLocationBasedDetector(CountryListener listener) { |
| 359 | if (mLocationBasedCountryDetector != null) { |
| 360 | return; |
| 361 | } |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 362 | if (DEBUG) { |
| 363 | Slog.d(TAG, "starts LocationBasedDetector to detect Country code via Location info " |
| 364 | + "(e.g. GPS)"); |
| 365 | } |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 366 | mLocationBasedCountryDetector = createLocationBasedCountryDetector(); |
| 367 | mLocationBasedCountryDetector.setCountryListener(listener); |
| 368 | mLocationBasedCountryDetector.detectCountry(); |
| 369 | } |
| 370 | |
| 371 | private synchronized void stopLocationBasedDetector() { |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 372 | if (DEBUG) { |
| 373 | Slog.d(TAG, "tries to stop LocationBasedDetector " |
| 374 | + "(current detector: " + mLocationBasedCountryDetector + ")"); |
| 375 | } |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 376 | if (mLocationBasedCountryDetector != null) { |
| 377 | mLocationBasedCountryDetector.stop(); |
| 378 | mLocationBasedCountryDetector = null; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | protected CountryDetectorBase createLocationBasedCountryDetector() { |
| 383 | return new LocationBasedCountryDetector(mContext); |
| 384 | } |
| 385 | |
| 386 | protected boolean isAirplaneModeOff() { |
Christopher Tate | c09cdce | 2012-09-10 16:50:14 -0700 | [diff] [blame] | 387 | return Settings.Global.getInt( |
| 388 | mContext.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 0) == 0; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Notify the country change. |
| 393 | */ |
| 394 | private void notifyIfCountryChanged(final Country country, final Country detectedCountry) { |
| 395 | if (detectedCountry != null && mListener != null |
| 396 | && (country == null || !country.equals(detectedCountry))) { |
Daniel Lehmann | 0e87370 | 2012-03-12 17:04:17 -0700 | [diff] [blame] | 397 | if (DEBUG) { |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 398 | Slog.d(TAG, "" + country + " --> " + detectedCountry); |
| 399 | } |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 400 | notifyListener(detectedCountry); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Schedule the next location refresh. We will do nothing if the scheduled task exists. |
| 406 | */ |
| 407 | private synchronized void scheduleLocationRefresh() { |
| 408 | if (mLocationRefreshTimer != null) return; |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 409 | if (DEBUG) { |
| 410 | Slog.d(TAG, "start periodic location refresh timer. Interval: " |
| 411 | + LOCATION_REFRESH_INTERVAL); |
| 412 | } |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 413 | mLocationRefreshTimer = new Timer(); |
| 414 | mLocationRefreshTimer.schedule(new TimerTask() { |
| 415 | @Override |
| 416 | public void run() { |
Daisuke Miyakawa | a550bdc | 2011-04-27 08:26:33 -0700 | [diff] [blame] | 417 | if (DEBUG) { |
| 418 | Slog.d(TAG, "periodic location refresh event. Starts detecting Country code"); |
| 419 | } |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 420 | mLocationRefreshTimer = null; |
| 421 | detectCountry(false, true); |
| 422 | } |
| 423 | }, LOCATION_REFRESH_INTERVAL); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Cancel the scheduled refresh task if it exists |
| 428 | */ |
| 429 | private synchronized void cancelLocationRefresh() { |
| 430 | if (mLocationRefreshTimer != null) { |
| 431 | mLocationRefreshTimer.cancel(); |
| 432 | mLocationRefreshTimer = null; |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | protected synchronized void addPhoneStateListener() { |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 437 | if (mPhoneStateListener == null) { |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 438 | mPhoneStateListener = new PhoneStateListener() { |
| 439 | @Override |
| 440 | public void onServiceStateChanged(ServiceState serviceState) { |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 441 | mCountServiceStateChanges++; |
| 442 | mTotalCountServiceStateChanges++; |
| 443 | |
| 444 | if (!isNetworkCountryCodeAvailable()) { |
| 445 | return; |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 446 | } |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 447 | if (DEBUG) Slog.d(TAG, "onServiceStateChanged: " + serviceState.getState()); |
| 448 | |
| 449 | detectCountry(true, true); |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 450 | } |
| 451 | }; |
| 452 | mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_SERVICE_STATE); |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | protected synchronized void removePhoneStateListener() { |
| 457 | if (mPhoneStateListener != null) { |
| 458 | mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE); |
| 459 | mPhoneStateListener = null; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | protected boolean isGeoCoderImplemented() { |
Marc Blank | 141e00c | 2010-09-20 20:35:09 -0700 | [diff] [blame] | 464 | return Geocoder.isPresent(); |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 465 | } |
Makoto Onuki | d73b79b | 2011-12-13 14:02:32 -0800 | [diff] [blame] | 466 | |
| 467 | @Override |
| 468 | public String toString() { |
| 469 | long currentTime = SystemClock.elapsedRealtime(); |
| 470 | long currentSessionLength = 0; |
| 471 | StringBuilder sb = new StringBuilder(); |
| 472 | sb.append("ComprehensiveCountryDetector{"); |
| 473 | // The detector hasn't stopped yet --> still running |
| 474 | if (mStopTime == 0) { |
| 475 | currentSessionLength = currentTime - mStartTime; |
| 476 | sb.append("timeRunning=" + currentSessionLength + ", "); |
| 477 | } else { |
| 478 | // Otherwise, it has already stopped, so take the last session |
| 479 | sb.append("lastRunTimeLength=" + (mStopTime - mStartTime) + ", "); |
| 480 | } |
| 481 | sb.append("totalCountServiceStateChanges=" + mTotalCountServiceStateChanges + ", "); |
| 482 | sb.append("currentCountServiceStateChanges=" + mCountServiceStateChanges + ", "); |
| 483 | sb.append("totalTime=" + (mTotalTime + currentSessionLength) + ", "); |
| 484 | sb.append("currentTime=" + currentTime + ", "); |
| 485 | sb.append("countries="); |
| 486 | for (Country country : mDebugLogs) { |
| 487 | sb.append("\n " + country.toString()); |
| 488 | } |
| 489 | sb.append("}"); |
| 490 | return sb.toString(); |
| 491 | } |
Bai Tao | a58a875 | 2010-07-13 15:32:16 +0800 | [diff] [blame] | 492 | } |