The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame^] | 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.server; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.content.Intent; |
| 21 | import android.content.pm.PackageManager; |
| 22 | import android.os.Binder; |
| 23 | import android.os.Bundle; |
| 24 | import android.os.IBinder; |
| 25 | import android.os.RemoteException; |
| 26 | import android.telephony.CellLocation; |
| 27 | import android.telephony.PhoneStateListener; |
| 28 | import android.telephony.ServiceState; |
| 29 | import android.telephony.TelephonyManager; |
| 30 | import android.text.TextUtils; |
| 31 | |
| 32 | import java.util.ArrayList; |
| 33 | import java.io.FileDescriptor; |
| 34 | import java.io.PrintWriter; |
| 35 | |
| 36 | import com.android.internal.app.IBatteryStats; |
| 37 | import com.android.internal.telephony.ITelephonyRegistry; |
| 38 | import com.android.internal.telephony.IPhoneStateListener; |
| 39 | import com.android.internal.telephony.DefaultPhoneNotifier; |
| 40 | import com.android.internal.telephony.Phone; |
| 41 | import com.android.internal.telephony.PhoneStateIntentReceiver; |
| 42 | import com.android.internal.telephony.TelephonyIntents; |
| 43 | import com.android.server.am.BatteryStatsService; |
| 44 | |
| 45 | |
| 46 | /** |
| 47 | * Since phone process can be restarted, this class provides a centralized |
| 48 | * place that applications can register and be called back from. |
| 49 | */ |
| 50 | class TelephonyRegistry extends ITelephonyRegistry.Stub { |
| 51 | private static final String TAG = "TelephonyRegistry"; |
| 52 | |
| 53 | private static class Record { |
| 54 | String pkgForDebug; |
| 55 | IBinder binder; |
| 56 | IPhoneStateListener callback; |
| 57 | int events; |
| 58 | } |
| 59 | |
| 60 | private final Context mContext; |
| 61 | private final ArrayList<Record> mRecords = new ArrayList(); |
| 62 | private final IBatteryStats mBatteryStats; |
| 63 | |
| 64 | private int mCallState = TelephonyManager.CALL_STATE_IDLE; |
| 65 | private String mCallIncomingNumber = ""; |
| 66 | private ServiceState mServiceState = new ServiceState(); |
| 67 | private int mSignalStrength = -1; |
| 68 | private boolean mMessageWaiting = false; |
| 69 | private boolean mCallForwarding = false; |
| 70 | private int mDataActivity = TelephonyManager.DATA_ACTIVITY_NONE; |
| 71 | private int mDataConnectionState = TelephonyManager.DATA_CONNECTED; |
| 72 | private boolean mDataConnectionPossible = false; |
| 73 | private String mDataConnectionReason = ""; |
| 74 | private String mDataConnectionApn = ""; |
| 75 | private String mDataConnectionInterfaceName = ""; |
| 76 | private Bundle mCellLocation = new Bundle(); |
| 77 | |
| 78 | // we keep a copy of all of the sate so we can send it out when folks register for it |
| 79 | // |
| 80 | // In these calls we call with the lock held. This is safe becasuse remote |
| 81 | // calls go through a oneway interface and local calls going through a handler before |
| 82 | // they get to app code. |
| 83 | |
| 84 | TelephonyRegistry(Context context) { |
| 85 | CellLocation.getEmpty().fillInNotifierBundle(mCellLocation); |
| 86 | mContext = context; |
| 87 | mBatteryStats = BatteryStatsService.getService(); |
| 88 | } |
| 89 | |
| 90 | public void listen(String pkgForDebug, IPhoneStateListener callback, int events, |
| 91 | boolean notifyNow) { |
| 92 | //Log.d(TAG, "listen pkg=" + pkgForDebug + " events=0x" + Integer.toHexString(events)); |
| 93 | if (events != 0) { |
| 94 | // check permissions |
| 95 | if ((events & PhoneStateListener.LISTEN_CELL_LOCATION) != 0) { |
| 96 | mContext.enforceCallingOrSelfPermission( |
| 97 | android.Manifest.permission.ACCESS_COARSE_LOCATION, null); |
| 98 | |
| 99 | } |
| 100 | |
| 101 | synchronized (mRecords) { |
| 102 | // register |
| 103 | Record r = null; |
| 104 | find_and_add: { |
| 105 | IBinder b = callback.asBinder(); |
| 106 | final int N = mRecords.size(); |
| 107 | for (int i=0; i<N; i++) { |
| 108 | r = mRecords.get(i); |
| 109 | if (b == r.binder) { |
| 110 | break find_and_add; |
| 111 | } |
| 112 | } |
| 113 | r = new Record(); |
| 114 | r.binder = b; |
| 115 | r.callback = callback; |
| 116 | r.pkgForDebug = pkgForDebug; |
| 117 | mRecords.add(r); |
| 118 | } |
| 119 | int send = events & (events ^ r.events); |
| 120 | r.events = events; |
| 121 | if (notifyNow) { |
| 122 | if ((events & PhoneStateListener.LISTEN_SERVICE_STATE) != 0) { |
| 123 | sendServiceState(r, mServiceState); |
| 124 | } |
| 125 | if ((events & PhoneStateListener.LISTEN_SIGNAL_STRENGTH) != 0) { |
| 126 | try { |
| 127 | r.callback.onSignalStrengthChanged(mSignalStrength); |
| 128 | } catch (RemoteException ex) { |
| 129 | remove(r.binder); |
| 130 | } |
| 131 | } |
| 132 | if ((events & PhoneStateListener.LISTEN_MESSAGE_WAITING_INDICATOR) != 0) { |
| 133 | try { |
| 134 | r.callback.onMessageWaitingIndicatorChanged(mMessageWaiting); |
| 135 | } catch (RemoteException ex) { |
| 136 | remove(r.binder); |
| 137 | } |
| 138 | } |
| 139 | if ((events & PhoneStateListener.LISTEN_CALL_FORWARDING_INDICATOR) != 0) { |
| 140 | try { |
| 141 | r.callback.onCallForwardingIndicatorChanged(mCallForwarding); |
| 142 | } catch (RemoteException ex) { |
| 143 | remove(r.binder); |
| 144 | } |
| 145 | } |
| 146 | if ((events & PhoneStateListener.LISTEN_CELL_LOCATION) != 0) { |
| 147 | sendCellLocation(r, mCellLocation); |
| 148 | } |
| 149 | if ((events & PhoneStateListener.LISTEN_CALL_STATE) != 0) { |
| 150 | try { |
| 151 | r.callback.onCallStateChanged(mCallState, mCallIncomingNumber); |
| 152 | } catch (RemoteException ex) { |
| 153 | remove(r.binder); |
| 154 | } |
| 155 | } |
| 156 | if ((events & PhoneStateListener.LISTEN_DATA_CONNECTION_STATE) != 0) { |
| 157 | try { |
| 158 | r.callback.onDataConnectionStateChanged(mDataConnectionState); |
| 159 | } catch (RemoteException ex) { |
| 160 | remove(r.binder); |
| 161 | } |
| 162 | } |
| 163 | if ((events & PhoneStateListener.LISTEN_DATA_ACTIVITY) != 0) { |
| 164 | try { |
| 165 | r.callback.onDataActivity(mDataActivity); |
| 166 | } catch (RemoteException ex) { |
| 167 | remove(r.binder); |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | } else { |
| 173 | remove(callback.asBinder()); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | private void remove(IBinder binder) { |
| 178 | synchronized (mRecords) { |
| 179 | final int N = mRecords.size(); |
| 180 | for (int i=0; i<N; i++) { |
| 181 | if (mRecords.get(i).binder == binder) { |
| 182 | mRecords.remove(i); |
| 183 | return; |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | public void notifyCallState(int state, String incomingNumber) { |
| 190 | synchronized (mRecords) { |
| 191 | mCallState = state; |
| 192 | mCallIncomingNumber = incomingNumber; |
| 193 | final int N = mRecords.size(); |
| 194 | for (int i=N-1; i>=0; i--) { |
| 195 | Record r = mRecords.get(i); |
| 196 | if ((r.events & PhoneStateListener.LISTEN_CALL_STATE) != 0) { |
| 197 | try { |
| 198 | r.callback.onCallStateChanged(state, incomingNumber); |
| 199 | } catch (RemoteException ex) { |
| 200 | remove(r.binder); |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | } |
| 205 | broadcastCallStateChanged(state, incomingNumber); |
| 206 | } |
| 207 | |
| 208 | public void notifyServiceState(ServiceState state) { |
| 209 | synchronized (mRecords) { |
| 210 | mServiceState = state; |
| 211 | final int N = mRecords.size(); |
| 212 | for (int i=N-1; i>=0; i--) { |
| 213 | Record r = mRecords.get(i); |
| 214 | if ((r.events & PhoneStateListener.LISTEN_SERVICE_STATE) != 0) { |
| 215 | sendServiceState(r, state); |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | broadcastServiceStateChanged(state); |
| 220 | } |
| 221 | |
| 222 | public void notifySignalStrength(int signalStrengthASU) { |
| 223 | synchronized (mRecords) { |
| 224 | mSignalStrength = signalStrengthASU; |
| 225 | final int N = mRecords.size(); |
| 226 | for (int i=N-1; i>=0; i--) { |
| 227 | Record r = mRecords.get(i); |
| 228 | if ((r.events & PhoneStateListener.LISTEN_SIGNAL_STRENGTH) != 0) { |
| 229 | try { |
| 230 | r.callback.onSignalStrengthChanged(signalStrengthASU); |
| 231 | } catch (RemoteException ex) { |
| 232 | remove(r.binder); |
| 233 | } |
| 234 | } |
| 235 | } |
| 236 | } |
| 237 | broadcastSignalStrengthChanged(signalStrengthASU); |
| 238 | } |
| 239 | |
| 240 | public void notifyMessageWaitingChanged(boolean mwi) { |
| 241 | synchronized (mRecords) { |
| 242 | mMessageWaiting = mwi; |
| 243 | final int N = mRecords.size(); |
| 244 | for (int i=N-1; i>=0; i--) { |
| 245 | Record r = mRecords.get(i); |
| 246 | if ((r.events & PhoneStateListener.LISTEN_MESSAGE_WAITING_INDICATOR) != 0) { |
| 247 | try { |
| 248 | r.callback.onMessageWaitingIndicatorChanged(mwi); |
| 249 | } catch (RemoteException ex) { |
| 250 | remove(r.binder); |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | public void notifyCallForwardingChanged(boolean cfi) { |
| 258 | synchronized (mRecords) { |
| 259 | mCallForwarding = cfi; |
| 260 | final int N = mRecords.size(); |
| 261 | for (int i=N-1; i>=0; i--) { |
| 262 | Record r = mRecords.get(i); |
| 263 | if ((r.events & PhoneStateListener.LISTEN_CALL_FORWARDING_INDICATOR) != 0) { |
| 264 | try { |
| 265 | r.callback.onCallForwardingIndicatorChanged(cfi); |
| 266 | } catch (RemoteException ex) { |
| 267 | remove(r.binder); |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | public void notifyDataActivity(int state) { |
| 275 | synchronized (mRecords) { |
| 276 | mDataActivity = state; |
| 277 | final int N = mRecords.size(); |
| 278 | for (int i=N-1; i>=0; i--) { |
| 279 | Record r = mRecords.get(i); |
| 280 | if ((r.events & PhoneStateListener.LISTEN_DATA_ACTIVITY) != 0) { |
| 281 | try { |
| 282 | r.callback.onDataActivity(state); |
| 283 | } catch (RemoteException ex) { |
| 284 | remove(r.binder); |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | public void notifyDataConnection(int state, boolean isDataConnectivityPissible, |
| 292 | String reason, String apn, String interfaceName) { |
| 293 | synchronized (mRecords) { |
| 294 | mDataConnectionState = state; |
| 295 | mDataConnectionPossible = isDataConnectivityPissible; |
| 296 | mDataConnectionReason = reason; |
| 297 | mDataConnectionApn = apn; |
| 298 | mDataConnectionInterfaceName = interfaceName; |
| 299 | final int N = mRecords.size(); |
| 300 | for (int i=N-1; i>=0; i--) { |
| 301 | Record r = mRecords.get(i); |
| 302 | if ((r.events & PhoneStateListener.LISTEN_DATA_CONNECTION_STATE) != 0) { |
| 303 | try { |
| 304 | r.callback.onDataConnectionStateChanged(state); |
| 305 | } catch (RemoteException ex) { |
| 306 | remove(r.binder); |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | broadcastDataConnectionStateChanged(state, isDataConnectivityPissible, |
| 312 | reason, apn, interfaceName); |
| 313 | } |
| 314 | |
| 315 | public void notifyDataConnectionFailed(String reason) { |
| 316 | /* |
| 317 | * This is commented out because there is on onDataConnectionFailed callback |
| 318 | * on PhoneStateListener. There should be. |
| 319 | synchronized (mRecords) { |
| 320 | mDataConnectionFailedReason = reason; |
| 321 | final int N = mRecords.size(); |
| 322 | for (int i=N-1; i>=0; i--) { |
| 323 | Record r = mRecords.get(i); |
| 324 | if ((r.events & PhoneStateListener.LISTEN_DATA_CONNECTION_FAILED) != 0) { |
| 325 | // XXX |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | */ |
| 330 | broadcastDataConnectionFailed(reason); |
| 331 | } |
| 332 | |
| 333 | public void notifyCellLocation(Bundle cellLocation) { |
| 334 | synchronized (mRecords) { |
| 335 | mCellLocation = cellLocation; |
| 336 | final int N = mRecords.size(); |
| 337 | for (int i=N-1; i>=0; i--) { |
| 338 | Record r = mRecords.get(i); |
| 339 | if ((r.events & PhoneStateListener.LISTEN_CELL_LOCATION) != 0) { |
| 340 | sendCellLocation(r, cellLocation); |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | // |
| 347 | // the new callback broadcasting |
| 348 | // |
| 349 | // copy the service state object so they can't mess it up in the local calls |
| 350 | // |
| 351 | public void sendServiceState(Record r, ServiceState state) { |
| 352 | try { |
| 353 | r.callback.onServiceStateChanged(new ServiceState(state)); |
| 354 | } catch (RemoteException ex) { |
| 355 | remove(r.binder); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | public void sendCellLocation(Record r, Bundle cellLocation) { |
| 360 | try { |
| 361 | r.callback.onCellLocationChanged(new Bundle(cellLocation)); |
| 362 | } catch (RemoteException ex) { |
| 363 | remove(r.binder); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | |
| 368 | @Override |
| 369 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 370 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 371 | != PackageManager.PERMISSION_GRANTED) { |
| 372 | pw.println("Permission Denial: can't dump telephony.registry from from pid=" |
| 373 | + Binder.getCallingPid() |
| 374 | + ", uid=" + Binder.getCallingUid()); |
| 375 | return; |
| 376 | } |
| 377 | synchronized (mRecords) { |
| 378 | final int N = mRecords.size(); |
| 379 | pw.println("last known state:"); |
| 380 | pw.println(" mCallState=" + mCallState); |
| 381 | pw.println(" mCallIncomingNumber=" + mCallIncomingNumber); |
| 382 | pw.println(" mServiceState=" + mServiceState); |
| 383 | pw.println(" mSignalStrength=" + mSignalStrength); |
| 384 | pw.println(" mMessageWaiting=" + mMessageWaiting); |
| 385 | pw.println(" mCallForwarding=" + mCallForwarding); |
| 386 | pw.println(" mDataActivity=" + mDataActivity); |
| 387 | pw.println(" mDataConnectionState=" + mDataConnectionState); |
| 388 | pw.println(" mDataConnectionPossible=" + mDataConnectionPossible); |
| 389 | pw.println(" mDataConnectionReason=" + mDataConnectionReason); |
| 390 | pw.println(" mDataConnectionApn=" + mDataConnectionApn); |
| 391 | pw.println(" mDataConnectionInterfaceName=" + mDataConnectionInterfaceName); |
| 392 | pw.println(" mCellLocation=" + mCellLocation); |
| 393 | pw.println("registrations: count=" + N); |
| 394 | for (int i=0; i<N; i++) { |
| 395 | Record r = mRecords.get(i); |
| 396 | pw.println(" " + r.pkgForDebug + " 0x" + Integer.toHexString(r.events)); |
| 397 | } |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | |
| 402 | // |
| 403 | // the legacy intent broadcasting |
| 404 | // |
| 405 | |
| 406 | private void broadcastServiceStateChanged(ServiceState state) { |
| 407 | Intent intent = new Intent(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED); |
| 408 | Bundle data = new Bundle(); |
| 409 | state.fillInNotifierBundle(data); |
| 410 | intent.putExtras(data); |
| 411 | mContext.sendStickyBroadcast(intent); |
| 412 | } |
| 413 | |
| 414 | private void broadcastSignalStrengthChanged(int asu) { |
| 415 | Intent intent = new Intent(TelephonyIntents.ACTION_SIGNAL_STRENGTH_CHANGED); |
| 416 | intent.putExtra(PhoneStateIntentReceiver.INTENT_KEY_ASU, asu); |
| 417 | mContext.sendStickyBroadcast(intent); |
| 418 | } |
| 419 | |
| 420 | private void broadcastCallStateChanged(int state, String incomingNumber) { |
| 421 | long ident = Binder.clearCallingIdentity(); |
| 422 | try { |
| 423 | if (state == TelephonyManager.CALL_STATE_IDLE) { |
| 424 | mBatteryStats.notePhoneOff(); |
| 425 | } else { |
| 426 | mBatteryStats.notePhoneOn(); |
| 427 | } |
| 428 | } catch (RemoteException e) { |
| 429 | } finally { |
| 430 | Binder.restoreCallingIdentity(ident); |
| 431 | } |
| 432 | |
| 433 | Intent intent = new Intent(TelephonyManager.ACTION_PHONE_STATE_CHANGED); |
| 434 | intent.putExtra(Phone.STATE_KEY, |
| 435 | DefaultPhoneNotifier.convertCallState(state).toString()); |
| 436 | if (!TextUtils.isEmpty(incomingNumber)) { |
| 437 | intent.putExtra(TelephonyManager.EXTRA_INCOMING_NUMBER, incomingNumber); |
| 438 | } |
| 439 | mContext.sendBroadcast(intent, android.Manifest.permission.READ_PHONE_STATE); |
| 440 | } |
| 441 | |
| 442 | private void broadcastDataConnectionStateChanged(int state, boolean isDataConnectivityPossible, |
| 443 | String reason, String apn, String interfaceName) { |
| 444 | Intent intent = new Intent(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED); |
| 445 | intent.putExtra(Phone.STATE_KEY, DefaultPhoneNotifier.convertDataState(state).toString()); |
| 446 | if (!isDataConnectivityPossible) { |
| 447 | intent.putExtra(Phone.NETWORK_UNAVAILABLE_KEY, true); |
| 448 | } |
| 449 | if (reason != null) { |
| 450 | intent.putExtra(Phone.STATE_CHANGE_REASON_KEY, reason); |
| 451 | } |
| 452 | intent.putExtra(Phone.DATA_APN_KEY, apn); |
| 453 | intent.putExtra(Phone.DATA_IFACE_NAME_KEY, interfaceName); |
| 454 | mContext.sendStickyBroadcast(intent); |
| 455 | } |
| 456 | |
| 457 | private void broadcastDataConnectionFailed(String reason) { |
| 458 | Intent intent = new Intent(TelephonyIntents.ACTION_DATA_CONNECTION_FAILED); |
| 459 | intent.putExtra(Phone.FAILURE_REASON_KEY, reason); |
| 460 | mContext.sendStickyBroadcast(intent); |
| 461 | } |
| 462 | } |