1 /* 2 * Copyright (C) 2013 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.internal.telephony.imsphone; 18 19 import static com.android.internal.telephony.Phone.CS_FALLBACK; 20 21 import android.content.BroadcastReceiver; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.IntentFilter; 25 import android.content.SharedPreferences; 26 import android.content.pm.PackageManager; 27 import android.net.ConnectivityManager; 28 import android.net.Network; 29 import android.net.NetworkCapabilities; 30 import android.net.NetworkInfo; 31 import android.net.NetworkRequest; 32 import android.net.NetworkStats; 33 import android.net.Uri; 34 import android.os.AsyncResult; 35 import android.os.Bundle; 36 import android.os.Handler; 37 import android.os.Message; 38 import android.os.PersistableBundle; 39 import android.os.Registrant; 40 import android.os.RegistrantList; 41 import android.os.RemoteException; 42 import android.os.SystemClock; 43 import android.os.SystemProperties; 44 import android.preference.PreferenceManager; 45 import android.provider.Settings; 46 import android.telecom.ConferenceParticipant; 47 import android.telecom.TelecomManager; 48 import android.telecom.VideoProfile; 49 import android.telephony.CarrierConfigManager; 50 import android.telephony.DisconnectCause; 51 import android.telephony.PhoneNumberUtils; 52 import android.telephony.PreciseDisconnectCause; 53 import android.telephony.Rlog; 54 import android.telephony.ServiceState; 55 import android.telephony.SubscriptionManager; 56 import android.telephony.TelephonyManager; 57 import android.telephony.ims.ImsCallProfile; 58 import android.telephony.ims.ImsReasonInfo; 59 import android.telephony.ims.ImsStreamMediaProfile; 60 import android.telephony.ims.ImsSuppServiceNotification; 61 import android.telephony.ims.feature.ImsFeature; 62 import android.telephony.ims.feature.MmTelFeature; 63 import android.telephony.ims.stub.ImsConfigImplBase; 64 import android.telephony.ims.stub.ImsRegistrationImplBase; 65 import android.text.TextUtils; 66 import android.util.ArrayMap; 67 import android.util.Log; 68 import android.util.Pair; 69 import android.util.SparseIntArray; 70 71 import com.android.ims.ImsCall; 72 import com.android.ims.ImsConfig; 73 import com.android.ims.ImsConfigListener; 74 import com.android.ims.ImsEcbm; 75 import com.android.ims.ImsException; 76 import com.android.ims.ImsManager; 77 import com.android.ims.ImsMultiEndpoint; 78 import com.android.ims.ImsUtInterface; 79 import com.android.ims.internal.IImsCallSession; 80 import com.android.ims.internal.IImsVideoCallProvider; 81 import com.android.ims.internal.ImsVideoCallProviderWrapper; 82 import com.android.ims.internal.VideoPauseTracker; 83 import com.android.internal.annotations.VisibleForTesting; 84 import com.android.internal.os.SomeArgs; 85 import com.android.internal.telephony.Call; 86 import com.android.internal.telephony.CallStateException; 87 import com.android.internal.telephony.CallTracker; 88 import com.android.internal.telephony.CommandException; 89 import com.android.internal.telephony.CommandsInterface; 90 import com.android.internal.telephony.Connection; 91 import com.android.internal.telephony.Phone; 92 import com.android.internal.telephony.PhoneConstants; 93 import com.android.internal.telephony.SubscriptionController; 94 import com.android.internal.telephony.TelephonyProperties; 95 import com.android.internal.telephony.dataconnection.DataEnabledSettings; 96 import com.android.internal.telephony.gsm.SuppServiceNotification; 97 import com.android.internal.telephony.metrics.TelephonyMetrics; 98 import com.android.internal.telephony.nano.TelephonyProto.ImsConnectionState; 99 import com.android.internal.telephony.nano.TelephonyProto.TelephonyCallSession; 100 import com.android.internal.telephony.nano.TelephonyProto.TelephonyCallSession.Event.ImsCommand; 101 import com.android.server.net.NetworkStatsService; 102 103 import java.io.FileDescriptor; 104 import java.io.PrintWriter; 105 import java.util.ArrayList; 106 import java.util.HashMap; 107 import java.util.List; 108 import java.util.Map; 109 import java.util.concurrent.atomic.AtomicInteger; 110 import java.util.regex.Pattern; 111 112 /** 113 * {@hide} 114 */ 115 public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 116 static final String LOG_TAG = "ImsPhoneCallTracker"; 117 static final String VERBOSE_STATE_TAG = "IPCTState"; 118 119 public interface PhoneStateListener { 120 void onPhoneStateChanged(PhoneConstants.State oldState, PhoneConstants.State newState); 121 } 122 123 public interface SharedPreferenceProxy { 124 SharedPreferences getDefaultSharedPreferences(Context context); 125 } 126 127 public interface PhoneNumberUtilsProxy { 128 boolean isEmergencyNumber(String number); 129 } 130 131 private static final boolean DBG = true; 132 133 // When true, dumps the state of ImsPhoneCallTracker after changes to foreground and background 134 // calls. This is helpful for debugging. It is also possible to enable this at runtime by 135 // setting the IPCTState log tag to VERBOSE. 136 private static final boolean FORCE_VERBOSE_STATE_LOGGING = false; /* stopship if true */ 137 private static final boolean VERBOSE_STATE_LOGGING = FORCE_VERBOSE_STATE_LOGGING || 138 Rlog.isLoggable(VERBOSE_STATE_TAG, Log.VERBOSE); 139 140 private MmTelFeature.MmTelCapabilities mMmTelCapabilities = 141 new MmTelFeature.MmTelCapabilities(); 142 143 private TelephonyMetrics mMetrics; 144 private boolean mCarrierConfigLoaded = false; 145 146 private final MmTelFeatureListener mMmTelFeatureListener = new MmTelFeatureListener(); 147 private class MmTelFeatureListener extends MmTelFeature.Listener { 148 @Override 149 public void onIncomingCall(IImsCallSession c, Bundle extras) { 150 if (DBG) log("onReceive : incoming call intent"); 151 152 if (mImsManager == null) return; 153 154 try { 155 // Network initiated USSD will be treated by mImsUssdListener 156 boolean isUssd = extras.getBoolean(ImsManager.EXTRA_USSD, false); 157 if (isUssd) { 158 if (DBG) log("onReceive : USSD"); 159 mUssdSession = mImsManager.takeCall(c, extras, mImsUssdListener); 160 if (mUssdSession != null) { 161 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 162 } 163 return; 164 } 165 166 boolean isUnknown = extras.getBoolean(ImsManager.EXTRA_IS_UNKNOWN_CALL, false); 167 if (DBG) { 168 log("onReceive : isUnknown = " + isUnknown 169 + " fg = " + mForegroundCall.getState() 170 + " bg = " + mBackgroundCall.getState()); 171 } 172 173 // Normal MT/Unknown call 174 ImsCall imsCall = mImsManager.takeCall(c, extras, mImsCallListener); 175 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone, imsCall, 176 ImsPhoneCallTracker.this, 177 (isUnknown ? mForegroundCall : mRingingCall), isUnknown); 178 179 // If there is an active call. 180 if (mForegroundCall.hasConnections()) { 181 ImsCall activeCall = mForegroundCall.getFirstConnection().getImsCall(); 182 if (activeCall != null && imsCall != null) { 183 // activeCall could be null if the foreground call is in a disconnected 184 // state. If either of the calls is null there is no need to check if 185 // one will be disconnected on answer. 186 boolean answeringWillDisconnect = 187 shouldDisconnectActiveCallOnAnswer(activeCall, imsCall); 188 conn.setActiveCallDisconnectedOnAnswer(answeringWillDisconnect); 189 } 190 } 191 conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall); 192 addConnection(conn); 193 194 setVideoCallProvider(conn, imsCall); 195 196 TelephonyMetrics.getInstance().writeOnImsCallReceive(mPhone.getPhoneId(), 197 imsCall.getSession()); 198 199 if (isUnknown) { 200 mPhone.notifyUnknownConnection(conn); 201 } else { 202 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) 203 || (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 204 conn.update(imsCall, ImsPhoneCall.State.WAITING); 205 } 206 207 mPhone.notifyNewRingingConnection(conn); 208 mPhone.notifyIncomingRing(); 209 } 210 211 updatePhoneState(); 212 mPhone.notifyPreciseCallStateChanged(); 213 } catch (ImsException e) { 214 loge("onReceive : exception " + e); 215 } catch (RemoteException e) { 216 } 217 } 218 219 @Override 220 public void onVoiceMessageCountUpdate(int count) { 221 if (mPhone != null && mPhone.mDefaultPhone != null) { 222 if (DBG) log("onVoiceMessageCountChanged :: count=" + count); 223 mPhone.mDefaultPhone.setVoiceMessageCount(count); 224 } else { 225 loge("onVoiceMessageCountUpdate: null phone"); 226 } 227 } 228 } 229 230 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 231 @Override 232 public void onReceive(Context context, Intent intent) { 233 if (intent.getAction().equals(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) { 234 int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, 235 SubscriptionManager.INVALID_SUBSCRIPTION_ID); 236 if (subId == mPhone.getSubId()) { 237 cacheCarrierConfiguration(subId); 238 log("onReceive : Updating mAllowEmergencyVideoCalls = " + 239 mAllowEmergencyVideoCalls); 240 } 241 } else if (TelecomManager.ACTION_CHANGE_DEFAULT_DIALER.equals(intent.getAction())) { 242 mDefaultDialerUid.set(getPackageUid(context, intent.getStringExtra( 243 TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME))); 244 } 245 } 246 }; 247 248 /** 249 * Tracks whether we are currently monitoring network connectivity for the purpose of warning 250 * the user of an inability to handover from LTE to WIFI for video calls. 251 */ 252 private boolean mIsMonitoringConnectivity = false; 253 254 /** 255 * Network callback used to schedule the handover check when a wireless network connects. 256 */ 257 private ConnectivityManager.NetworkCallback mNetworkCallback = 258 new ConnectivityManager.NetworkCallback() { 259 @Override 260 public void onAvailable(Network network) { 261 Rlog.i(LOG_TAG, "Network available: " + network); 262 scheduleHandoverCheck(); 263 } 264 }; 265 266 //***** Constants 267 268 static final int MAX_CONNECTIONS = 7; 269 static final int MAX_CONNECTIONS_PER_CALL = 5; 270 271 private static final int EVENT_HANGUP_PENDINGMO = 18; 272 private static final int EVENT_RESUME_BACKGROUND = 19; 273 private static final int EVENT_DIAL_PENDINGMO = 20; 274 private static final int EVENT_EXIT_ECBM_BEFORE_PENDINGMO = 21; 275 private static final int EVENT_VT_DATA_USAGE_UPDATE = 22; 276 private static final int EVENT_DATA_ENABLED_CHANGED = 23; 277 private static final int EVENT_CHECK_FOR_WIFI_HANDOVER = 25; 278 private static final int EVENT_ON_FEATURE_CAPABILITY_CHANGED = 26; 279 private static final int EVENT_SUPP_SERVICE_INDICATION = 27; 280 281 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 282 283 private static final int HANDOVER_TO_WIFI_TIMEOUT_MS = 60000; // ms 284 285 //***** Instance Variables 286 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 287 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 288 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 289 290 public ImsPhoneCall mRingingCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_RINGING); 291 public ImsPhoneCall mForegroundCall = new ImsPhoneCall(this, 292 ImsPhoneCall.CONTEXT_FOREGROUND); 293 public ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this, 294 ImsPhoneCall.CONTEXT_BACKGROUND); 295 public ImsPhoneCall mHandoverCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_HANDOVER); 296 297 // Hold aggregated video call data usage for each video call since boot. 298 // The ImsCall's call id is the key of the map. 299 private final HashMap<Integer, Long> mVtDataUsageMap = new HashMap<>(); 300 301 private volatile NetworkStats mVtDataUsageSnapshot = null; 302 private volatile NetworkStats mVtDataUsageUidSnapshot = null; 303 304 private final AtomicInteger mDefaultDialerUid = new AtomicInteger(NetworkStats.UID_ALL); 305 306 private ImsPhoneConnection mPendingMO; 307 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 308 private Object mSyncHold = new Object(); 309 310 private ImsCall mUssdSession = null; 311 private Message mPendingUssd = null; 312 313 ImsPhone mPhone; 314 315 private boolean mDesiredMute = false; // false = mute off 316 private boolean mOnHoldToneStarted = false; 317 private int mOnHoldToneId = -1; 318 319 private PhoneConstants.State mState = PhoneConstants.State.IDLE; 320 321 private ImsManager mImsManager; 322 private ImsUtInterface mUtInterface; 323 324 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 325 326 private boolean mIsInEmergencyCall = false; 327 private boolean mIsDataEnabled = false; 328 329 private int pendingCallClirMode; 330 private int mPendingCallVideoState; 331 private Bundle mPendingIntentExtras; 332 private boolean pendingCallInEcm = false; 333 private boolean mSwitchingFgAndBgCalls = false; 334 private ImsCall mCallExpectedToResume = null; 335 private boolean mAllowEmergencyVideoCalls = false; 336 private boolean mIgnoreDataEnabledChangedForVideoCalls = false; 337 private boolean mIsViLteDataMetered = false; 338 private boolean mAlwaysPlayRemoteHoldTone = false; 339 340 /** 341 * Listeners to changes in the phone state. Intended for use by other interested IMS components 342 * without the need to register a full blown {@link android.telephony.PhoneStateListener}. 343 */ 344 private List<PhoneStateListener> mPhoneStateListeners = new ArrayList<>(); 345 346 /** 347 * Carrier configuration option which determines if video calls which have been downgraded to an 348 * audio call should be treated as if they are still video calls. 349 */ 350 private boolean mTreatDowngradedVideoCallsAsVideoCalls = false; 351 352 /** 353 * Carrier configuration option which determines if an ongoing video call over wifi should be 354 * dropped when an audio call is answered. 355 */ 356 private boolean mDropVideoCallWhenAnsweringAudioCall = false; 357 358 /** 359 * Carrier configuration option which determines whether adding a call during a video call 360 * should be allowed. 361 */ 362 private boolean mAllowAddCallDuringVideoCall = true; 363 364 /** 365 * Carrier configuration option which determines whether to notify the connection if a handover 366 * to wifi fails. 367 */ 368 private boolean mNotifyVtHandoverToWifiFail = false; 369 370 /** 371 * Carrier configuration option which determines whether the carrier supports downgrading a 372 * TX/RX/TX-RX video call directly to an audio-only call. 373 */ 374 private boolean mSupportDowngradeVtToAudio = false; 375 376 /** 377 * Stores the mapping of {@code ImsReasonInfo#CODE_*} to {@code PreciseDisconnectCause#*} 378 */ 379 private static final SparseIntArray PRECISE_CAUSE_MAP = new SparseIntArray(); 380 static { 381 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT, 382 PreciseDisconnectCause.LOCAL_ILLEGAL_ARGUMENT); 383 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE, 384 PreciseDisconnectCause.LOCAL_ILLEGAL_STATE); 385 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_INTERNAL_ERROR, 386 PreciseDisconnectCause.LOCAL_INTERNAL_ERROR); 387 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN, 388 PreciseDisconnectCause.LOCAL_IMS_SERVICE_DOWN); 389 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL, 390 PreciseDisconnectCause.LOCAL_NO_PENDING_CALL); 391 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE, 392 PreciseDisconnectCause.NORMAL); 393 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_POWER_OFF, 394 PreciseDisconnectCause.LOCAL_POWER_OFF); 395 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_LOW_BATTERY, 396 PreciseDisconnectCause.LOCAL_LOW_BATTERY); 397 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE, 398 PreciseDisconnectCause.LOCAL_NETWORK_NO_SERVICE); 399 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE, 400 PreciseDisconnectCause.LOCAL_NETWORK_NO_LTE_COVERAGE); 401 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING, 402 PreciseDisconnectCause.LOCAL_NETWORK_ROAMING); 403 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED, 404 PreciseDisconnectCause.LOCAL_NETWORK_IP_CHANGED); 405 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE, 406 PreciseDisconnectCause.LOCAL_SERVICE_UNAVAILABLE); 407 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED, 408 PreciseDisconnectCause.LOCAL_NOT_REGISTERED); 409 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_EXCEEDED, 410 PreciseDisconnectCause.LOCAL_MAX_CALL_EXCEEDED); 411 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_DECLINE, 412 PreciseDisconnectCause.LOCAL_CALL_DECLINE); 413 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING, 414 PreciseDisconnectCause.LOCAL_CALL_VCC_ON_PROGRESSING); 415 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED, 416 PreciseDisconnectCause.LOCAL_CALL_RESOURCE_RESERVATION_FAILED); 417 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED, 418 PreciseDisconnectCause.LOCAL_CALL_CS_RETRY_REQUIRED); 419 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED, 420 PreciseDisconnectCause.LOCAL_CALL_VOLTE_RETRY_REQUIRED); 421 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED, 422 PreciseDisconnectCause.LOCAL_CALL_TERMINATED); 423 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_HO_NOT_FEASIBLE, 424 PreciseDisconnectCause.LOCAL_HO_NOT_FEASIBLE); 425 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING, 426 PreciseDisconnectCause.TIMEOUT_1XX_WAITING); 427 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER, 428 PreciseDisconnectCause.TIMEOUT_NO_ANSWER); 429 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE, 430 PreciseDisconnectCause.TIMEOUT_NO_ANSWER_CALL_UPDATE); 431 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_FDN_BLOCKED, 432 PreciseDisconnectCause.FDN_BLOCKED); 433 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REDIRECTED, 434 PreciseDisconnectCause.SIP_REDIRECTED); 435 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_REQUEST, 436 PreciseDisconnectCause.SIP_BAD_REQUEST); 437 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_FORBIDDEN, 438 PreciseDisconnectCause.SIP_FORBIDDEN); 439 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_FOUND, 440 PreciseDisconnectCause.SIP_NOT_FOUND); 441 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_SUPPORTED, 442 PreciseDisconnectCause.SIP_NOT_SUPPORTED); 443 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT, 444 PreciseDisconnectCause.SIP_REQUEST_TIMEOUT); 445 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE, 446 PreciseDisconnectCause.SIP_TEMPRARILY_UNAVAILABLE); 447 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_ADDRESS, 448 PreciseDisconnectCause.SIP_BAD_ADDRESS); 449 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BUSY, 450 PreciseDisconnectCause.SIP_BUSY); 451 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_CANCELLED, 452 PreciseDisconnectCause.SIP_REQUEST_CANCELLED); 453 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE, 454 PreciseDisconnectCause.SIP_NOT_ACCEPTABLE); 455 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_REACHABLE, 456 PreciseDisconnectCause.SIP_NOT_REACHABLE); 457 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_CLIENT_ERROR, 458 PreciseDisconnectCause.SIP_CLIENT_ERROR); 459 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_INTERNAL_ERROR, 460 PreciseDisconnectCause.SIP_SERVER_INTERNAL_ERROR); 461 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE, 462 PreciseDisconnectCause.SIP_SERVICE_UNAVAILABLE); 463 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_TIMEOUT, 464 PreciseDisconnectCause.SIP_SERVER_TIMEOUT); 465 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_ERROR, 466 PreciseDisconnectCause.SIP_SERVER_ERROR); 467 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_USER_REJECTED, 468 PreciseDisconnectCause.SIP_USER_REJECTED); 469 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_GLOBAL_ERROR, 470 PreciseDisconnectCause.SIP_GLOBAL_ERROR); 471 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE, 472 PreciseDisconnectCause.EMERGENCY_TEMP_FAILURE); 473 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE, 474 PreciseDisconnectCause.EMERGENCY_PERM_FAILURE); 475 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_INIT_FAILED, 476 PreciseDisconnectCause.MEDIA_INIT_FAILED); 477 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NO_DATA, 478 PreciseDisconnectCause.MEDIA_NO_DATA); 479 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NOT_ACCEPTABLE, 480 PreciseDisconnectCause.MEDIA_NOT_ACCEPTABLE); 481 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_UNSPECIFIED, 482 PreciseDisconnectCause.MEDIA_UNSPECIFIED); 483 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED, 484 PreciseDisconnectCause.USER_TERMINATED); 485 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_NOANSWER, 486 PreciseDisconnectCause.USER_NOANSWER); 487 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_IGNORE, 488 PreciseDisconnectCause.USER_IGNORE); 489 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_DECLINE, 490 PreciseDisconnectCause.USER_DECLINE); 491 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOW_BATTERY, 492 PreciseDisconnectCause.LOW_BATTERY); 493 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_BLACKLISTED_CALL_ID, 494 PreciseDisconnectCause.BLACKLISTED_CALL_ID); 495 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE, 496 PreciseDisconnectCause.USER_TERMINATED_BY_REMOTE); 497 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NOT_SUPPORTED, 498 PreciseDisconnectCause.UT_NOT_SUPPORTED); 499 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_SERVICE_UNAVAILABLE, 500 PreciseDisconnectCause.UT_SERVICE_UNAVAILABLE); 501 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_OPERATION_NOT_ALLOWED, 502 PreciseDisconnectCause.UT_OPERATION_NOT_ALLOWED); 503 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NETWORK_ERROR, 504 PreciseDisconnectCause.UT_NETWORK_ERROR); 505 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_CB_PASSWORD_MISMATCH, 506 PreciseDisconnectCause.UT_CB_PASSWORD_MISMATCH); 507 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED, 508 PreciseDisconnectCause.ECBM_NOT_SUPPORTED); 509 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED, 510 PreciseDisconnectCause.MULTIENDPOINT_NOT_SUPPORTED); 511 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE, 512 PreciseDisconnectCause.CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE); 513 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ANSWERED_ELSEWHERE, 514 PreciseDisconnectCause.ANSWERED_ELSEWHERE); 515 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC, 516 PreciseDisconnectCause.CALL_PULL_OUT_OF_SYNC); 517 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL, 518 PreciseDisconnectCause.CALL_PULLED); 519 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_FAILED, 520 PreciseDisconnectCause.SUPP_SVC_FAILED); 521 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_CANCELLED, 522 PreciseDisconnectCause.SUPP_SVC_CANCELLED); 523 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_REINVITE_COLLISION, 524 PreciseDisconnectCause.SUPP_SVC_REINVITE_COLLISION); 525 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_IWLAN_DPD_FAILURE, 526 PreciseDisconnectCause.IWLAN_DPD_FAILURE); 527 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_ESTABLISH_FAILURE, 528 PreciseDisconnectCause.EPDG_TUNNEL_ESTABLISH_FAILURE); 529 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_REKEY_FAILURE, 530 PreciseDisconnectCause.EPDG_TUNNEL_REKEY_FAILURE); 531 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_LOST_CONNECTION, 532 PreciseDisconnectCause.EPDG_TUNNEL_LOST_CONNECTION); 533 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED, 534 PreciseDisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED); 535 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_REMOTE_CALL_DECLINE, 536 PreciseDisconnectCause.REMOTE_CALL_DECLINE); 537 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_LIMIT_REACHED, 538 PreciseDisconnectCause.DATA_LIMIT_REACHED); 539 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_DISABLED, 540 PreciseDisconnectCause.DATA_DISABLED); 541 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_WIFI_LOST, 542 PreciseDisconnectCause.WIFI_LOST); 543 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_OFF, 544 PreciseDisconnectCause.RADIO_OFF); 545 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NO_VALID_SIM, 546 PreciseDisconnectCause.NO_VALID_SIM); 547 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_INTERNAL_ERROR, 548 PreciseDisconnectCause.RADIO_INTERNAL_ERROR); 549 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_RESP_TIMEOUT, 550 PreciseDisconnectCause.NETWORK_RESP_TIMEOUT); 551 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_REJECT, 552 PreciseDisconnectCause.NETWORK_REJECT); 553 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_ACCESS_FAILURE, 554 PreciseDisconnectCause.RADIO_ACCESS_FAILURE); 555 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_FAILURE, 556 PreciseDisconnectCause.RADIO_LINK_FAILURE); 557 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_LOST, 558 PreciseDisconnectCause.RADIO_LINK_LOST); 559 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_UPLINK_FAILURE, 560 PreciseDisconnectCause.RADIO_UPLINK_FAILURE); 561 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_SETUP_FAILURE, 562 PreciseDisconnectCause.RADIO_SETUP_FAILURE); 563 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_NORMAL, 564 PreciseDisconnectCause.RADIO_RELEASE_NORMAL); 565 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_ABNORMAL, 566 PreciseDisconnectCause.RADIO_RELEASE_ABNORMAL); 567 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED, 568 PreciseDisconnectCause.ACCESS_CLASS_BLOCKED); 569 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_DETACH, 570 PreciseDisconnectCause.NETWORK_DETACH); 571 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UNOBTAINABLE_NUMBER, 572 PreciseDisconnectCause.UNOBTAINABLE_NUMBER); 573 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_1, 574 PreciseDisconnectCause.OEM_CAUSE_1); 575 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_2, 576 PreciseDisconnectCause.OEM_CAUSE_2); 577 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_3, 578 PreciseDisconnectCause.OEM_CAUSE_3); 579 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_4, 580 PreciseDisconnectCause.OEM_CAUSE_4); 581 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_5, 582 PreciseDisconnectCause.OEM_CAUSE_5); 583 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_6, 584 PreciseDisconnectCause.OEM_CAUSE_6); 585 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_7, 586 PreciseDisconnectCause.OEM_CAUSE_7); 587 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_8, 588 PreciseDisconnectCause.OEM_CAUSE_8); 589 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_9, 590 PreciseDisconnectCause.OEM_CAUSE_9); 591 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_10, 592 PreciseDisconnectCause.OEM_CAUSE_10); 593 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_11, 594 PreciseDisconnectCause.OEM_CAUSE_11); 595 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_12, 596 PreciseDisconnectCause.OEM_CAUSE_12); 597 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_13, 598 PreciseDisconnectCause.OEM_CAUSE_13); 599 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_14, 600 PreciseDisconnectCause.OEM_CAUSE_14); 601 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_15, 602 PreciseDisconnectCause.OEM_CAUSE_15); 603 } 604 605 /** 606 * Carrier configuration option which determines whether the carrier wants to inform the user 607 * when a video call is handed over from WIFI to LTE. 608 * See {@link CarrierConfigManager#KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL} for more 609 * information. 610 */ 611 private boolean mNotifyHandoverVideoFromWifiToLTE = false; 612 613 /** 614 * Carrier configuration option which determines whether the carrier wants to inform the user 615 * when a video call is handed over from LTE to WIFI. 616 * See {@link CarrierConfigManager#KEY_NOTIFY_HANDOVER_VIDEO_FROM_LTE_TO_WIFI_BOOL} for more 617 * information. 618 */ 619 private boolean mNotifyHandoverVideoFromLTEToWifi = false; 620 621 /** 622 * When {@code} false, indicates that no handover from LTE to WIFI has occurred during the start 623 * of the call. 624 * When {@code true}, indicates that the start of call handover from LTE to WIFI has been 625 * attempted (it may have suceeded or failed). 626 */ 627 private boolean mHasPerformedStartOfCallHandover = false; 628 629 /** 630 * Carrier configuration option which determines whether the carrier supports the 631 * {@link VideoProfile#STATE_PAUSED} signalling. 632 * See {@link CarrierConfigManager#KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL} for more information. 633 */ 634 private boolean mSupportPauseVideo = false; 635 636 /** 637 * Carrier configuration option which defines a mapping from pairs of 638 * {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()} values to a new 639 * {@code ImsReasonInfo#CODE_*} value. 640 * 641 * See {@link CarrierConfigManager#KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY}. 642 */ 643 private Map<Pair<Integer, String>, Integer> mImsReasonCodeMap = new ArrayMap<>(); 644 645 646 /** 647 * TODO: Remove this code; it is a workaround. 648 * When {@code true}, forces {@link ImsManager#updateImsServiceConfig(boolean)} to 649 * be called when an ongoing video call is disconnected. In some cases, where video pause is 650 * supported by the carrier, when {@link #onDataEnabledChanged(boolean, int)} reports that data 651 * has been disabled we will pause the video rather than disconnecting the call. When this 652 * happens we need to prevent the IMS service config from being updated, as this will cause VT 653 * to be disabled mid-call, resulting in an inability to un-pause the video. 654 */ 655 private boolean mShouldUpdateImsConfigOnDisconnect = false; 656 657 /** 658 * Default implementation for retrieving shared preferences; uses the actual PreferencesManager. 659 */ 660 private SharedPreferenceProxy mSharedPreferenceProxy = (Context context) -> { 661 return PreferenceManager.getDefaultSharedPreferences(context); 662 }; 663 664 /** 665 * Default implementation for determining if a number is an emergency number. Uses the real 666 * PhoneNumberUtils. 667 */ 668 private PhoneNumberUtilsProxy mPhoneNumberUtilsProxy = (String string) -> { 669 return PhoneNumberUtils.isEmergencyNumber(string); 670 }; 671 672 private final ImsManager.Connector mImsManagerConnector; 673 674 //***** Events 675 676 677 //***** Constructors 678 679 public ImsPhoneCallTracker(ImsPhone phone) { 680 this.mPhone = phone; 681 682 mMetrics = TelephonyMetrics.getInstance(); 683 684 IntentFilter intentfilter = new IntentFilter(); 685 intentfilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED); 686 intentfilter.addAction(TelecomManager.ACTION_CHANGE_DEFAULT_DIALER); 687 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 688 cacheCarrierConfiguration(mPhone.getSubId()); 689 690 mPhone.getDefaultPhone().registerForDataEnabledChanged( 691 this, EVENT_DATA_ENABLED_CHANGED, null); 692 693 final TelecomManager telecomManager = 694 (TelecomManager) mPhone.getContext().getSystemService(Context.TELECOM_SERVICE); 695 mDefaultDialerUid.set( 696 getPackageUid(mPhone.getContext(), telecomManager.getDefaultDialerPackage())); 697 698 long currentTime = SystemClock.elapsedRealtime(); 699 mVtDataUsageSnapshot = new NetworkStats(currentTime, 1); 700 mVtDataUsageUidSnapshot = new NetworkStats(currentTime, 1); 701 702 mImsManagerConnector = new ImsManager.Connector(phone.getContext(), phone.getPhoneId(), 703 new ImsManager.Connector.Listener() { 704 @Override 705 public void connectionReady(ImsManager manager) throws ImsException { 706 mImsManager = manager; 707 startListeningForCalls(); 708 } 709 710 @Override 711 public void connectionUnavailable() { 712 stopListeningForCalls(); 713 } 714 }); 715 mImsManagerConnector.connect(); 716 } 717 718 /** 719 * Test-only method used to mock out access to the shared preferences through the 720 * {@link PreferenceManager}. 721 * @param sharedPreferenceProxy 722 */ 723 @VisibleForTesting 724 public void setSharedPreferenceProxy(SharedPreferenceProxy sharedPreferenceProxy) { 725 mSharedPreferenceProxy = sharedPreferenceProxy; 726 } 727 728 /** 729 * Test-only method used to mock out access to the phone number utils class. 730 * @param phoneNumberUtilsProxy 731 */ 732 @VisibleForTesting 733 public void setPhoneNumberUtilsProxy(PhoneNumberUtilsProxy phoneNumberUtilsProxy) { 734 mPhoneNumberUtilsProxy = phoneNumberUtilsProxy; 735 } 736 737 /** 738 * Test-only method used to set the ImsService retry timeout. 739 */ 740 @VisibleForTesting 741 public void setRetryTimeout(ImsManager.Connector.RetryTimeout retryTimeout) { 742 mImsManagerConnector.mRetryTimeout = retryTimeout; 743 } 744 745 private int getPackageUid(Context context, String pkg) { 746 if (pkg == null) { 747 return NetworkStats.UID_ALL; 748 } 749 750 // Initialize to UID_ALL so at least it can be counted to overall data usage if 751 // the dialer's package uid is not available. 752 int uid = NetworkStats.UID_ALL; 753 try { 754 uid = context.getPackageManager().getPackageUid(pkg, 0); 755 } catch (PackageManager.NameNotFoundException e) { 756 loge("Cannot find package uid. pkg = " + pkg); 757 } 758 return uid; 759 } 760 761 private void startListeningForCalls() throws ImsException { 762 log("startListeningForCalls"); 763 mImsManager.open(mMmTelFeatureListener); 764 mImsManager.addRegistrationCallback(mImsRegistrationCallback); 765 mImsManager.addCapabilitiesCallback(mImsCapabilityCallback); 766 767 mImsManager.setConfigListener(mImsConfigListener); 768 769 mImsManager.getConfigInterface().addConfigCallback(mConfigCallback); 770 771 // Get the ECBM interface and set IMSPhone's listener object for notifications 772 getEcbmInterface().setEcbmStateListener(mPhone.getImsEcbmStateListener()); 773 if (mPhone.isInEcm()) { 774 // Call exit ECBM which will invoke onECBMExited 775 mPhone.exitEmergencyCallbackMode(); 776 } 777 int mPreferredTtyMode = Settings.Secure.getInt( 778 mPhone.getContext().getContentResolver(), 779 Settings.Secure.PREFERRED_TTY_MODE, 780 Phone.TTY_MODE_OFF); 781 mImsManager.setUiTTYMode(mPhone.getContext(), mPreferredTtyMode, null); 782 783 ImsMultiEndpoint multiEndpoint = getMultiEndpointInterface(); 784 if (multiEndpoint != null) { 785 multiEndpoint.setExternalCallStateListener( 786 mPhone.getExternalCallTracker().getExternalCallStateListener()); 787 } 788 789 //Set UT interface listener to receive UT indications. 790 mUtInterface = getUtInterface(); 791 if (mUtInterface != null) { 792 mUtInterface.registerForSuppServiceIndication(this, 793 EVENT_SUPP_SERVICE_INDICATION, null); 794 } 795 796 if (mCarrierConfigLoaded) { 797 mImsManager.updateImsServiceConfig(true); 798 } 799 } 800 801 private void stopListeningForCalls() { 802 log("stopListeningForCalls"); 803 resetImsCapabilities(); 804 // Only close on valid session. 805 if (mImsManager != null) { 806 try { 807 mImsManager.getConfigInterface().removeConfigCallback(mConfigCallback); 808 } catch (ImsException e) { 809 Log.w(LOG_TAG, "stopListeningForCalls: unable to remove config callback."); 810 } 811 mImsManager.close(); 812 } 813 } 814 815 public void dispose() { 816 if (DBG) log("dispose"); 817 mRingingCall.dispose(); 818 mBackgroundCall.dispose(); 819 mForegroundCall.dispose(); 820 mHandoverCall.dispose(); 821 822 clearDisconnected(); 823 if (mUtInterface != null) { 824 mUtInterface.unregisterForSuppServiceIndication(this); 825 } 826 mPhone.getContext().unregisterReceiver(mReceiver); 827 mPhone.getDefaultPhone().unregisterForDataEnabledChanged(this); 828 mImsManagerConnector.disconnect(); 829 } 830 831 @Override 832 protected void finalize() { 833 log("ImsPhoneCallTracker finalized"); 834 } 835 836 //***** Instance Methods 837 838 //***** Public Methods 839 @Override 840 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 841 Registrant r = new Registrant(h, what, obj); 842 mVoiceCallStartedRegistrants.add(r); 843 } 844 845 @Override 846 public void unregisterForVoiceCallStarted(Handler h) { 847 mVoiceCallStartedRegistrants.remove(h); 848 } 849 850 @Override 851 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 852 Registrant r = new Registrant(h, what, obj); 853 mVoiceCallEndedRegistrants.add(r); 854 } 855 856 @Override 857 public void unregisterForVoiceCallEnded(Handler h) { 858 mVoiceCallEndedRegistrants.remove(h); 859 } 860 861 public int getClirMode() { 862 if (mSharedPreferenceProxy != null && mPhone.getDefaultPhone() != null) { 863 SharedPreferences sp = mSharedPreferenceProxy.getDefaultSharedPreferences( 864 mPhone.getContext()); 865 return sp.getInt(Phone.CLIR_KEY + mPhone.getDefaultPhone().getPhoneId(), 866 CommandsInterface.CLIR_DEFAULT); 867 } else { 868 loge("dial; could not get default CLIR mode."); 869 return CommandsInterface.CLIR_DEFAULT; 870 } 871 } 872 873 public Connection dial(String dialString, int videoState, Bundle intentExtras) throws 874 CallStateException { 875 ImsPhone.ImsDialArgs dialArgs = new ImsPhone.ImsDialArgs.Builder() 876 .setIntentExtras(intentExtras) 877 .setVideoState(videoState) 878 .setClirMode(getClirMode()) 879 .build(); 880 return dial(dialString, dialArgs); 881 } 882 883 public synchronized Connection dial(String dialString, ImsPhone.ImsDialArgs dialArgs) 884 throws CallStateException { 885 boolean isPhoneInEcmMode = isPhoneInEcbMode(); 886 boolean isEmergencyNumber = mPhoneNumberUtilsProxy.isEmergencyNumber(dialString); 887 888 if (!shouldNumberBePlacedOnIms(isEmergencyNumber, dialString)) { 889 Rlog.i(LOG_TAG, "dial: shouldNumberBePlacedOnIms = false"); 890 throw new CallStateException(CS_FALLBACK); 891 } 892 893 int clirMode = dialArgs.clirMode; 894 int videoState = dialArgs.videoState; 895 896 if (DBG) log("dial clirMode=" + clirMode); 897 if (isEmergencyNumber) { 898 clirMode = CommandsInterface.CLIR_SUPPRESSION; 899 if (DBG) log("dial emergency call, set clirModIe=" + clirMode); 900 } 901 902 // note that this triggers call state changed notif 903 clearDisconnected(); 904 905 if (mImsManager == null) { 906 throw new CallStateException("service not available"); 907 } 908 909 if (!canDial()) { 910 throw new CallStateException("cannot dial in current state"); 911 } 912 913 if (isPhoneInEcmMode && isEmergencyNumber) { 914 handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER); 915 } 916 917 // If the call is to an emergency number and the carrier does not support video emergency 918 // calls, dial as an audio-only call. 919 if (isEmergencyNumber && VideoProfile.isVideo(videoState) && 920 !mAllowEmergencyVideoCalls) { 921 loge("dial: carrier does not support video emergency calls; downgrade to audio-only"); 922 videoState = VideoProfile.STATE_AUDIO_ONLY; 923 } 924 925 boolean holdBeforeDial = false; 926 927 // The new call must be assigned to the foreground call. 928 // That call must be idle, so place anything that's 929 // there on hold 930 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 931 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 932 //we should have failed in !canDial() above before we get here 933 throw new CallStateException("cannot dial in current state"); 934 } 935 // foreground call is empty for the newly dialed connection 936 holdBeforeDial = true; 937 // Cache the video state for pending MO call. 938 mPendingCallVideoState = videoState; 939 mPendingIntentExtras = dialArgs.intentExtras; 940 switchWaitingOrHoldingAndActive(); 941 } 942 943 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 944 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 945 946 mClirMode = clirMode; 947 948 synchronized (mSyncHold) { 949 if (holdBeforeDial) { 950 fgState = mForegroundCall.getState(); 951 bgState = mBackgroundCall.getState(); 952 953 //holding foreground call failed 954 if (fgState == ImsPhoneCall.State.ACTIVE) { 955 throw new CallStateException("cannot dial in current state"); 956 } 957 958 //holding foreground call succeeded 959 if (bgState == ImsPhoneCall.State.HOLDING) { 960 holdBeforeDial = false; 961 } 962 } 963 964 mPendingMO = new ImsPhoneConnection(mPhone, 965 checkForTestEmergencyNumber(dialString), this, mForegroundCall, 966 isEmergencyNumber); 967 mPendingMO.setVideoState(videoState); 968 if (dialArgs.rttTextStream != null) { 969 log("dial: setting RTT stream on mPendingMO"); 970 mPendingMO.setCurrentRttTextStream(dialArgs.rttTextStream); 971 } 972 } 973 addConnection(mPendingMO); 974 975 if (!holdBeforeDial) { 976 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 977 dialInternal(mPendingMO, clirMode, videoState, dialArgs.intentExtras); 978 } else { 979 try { 980 getEcbmInterface().exitEmergencyCallbackMode(); 981 } catch (ImsException e) { 982 e.printStackTrace(); 983 throw new CallStateException("service not available"); 984 } 985 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 986 pendingCallClirMode = clirMode; 987 mPendingCallVideoState = videoState; 988 pendingCallInEcm = true; 989 } 990 } 991 992 updatePhoneState(); 993 mPhone.notifyPreciseCallStateChanged(); 994 995 return mPendingMO; 996 } 997 998 boolean isImsServiceReady() { 999 if (mImsManager == null) { 1000 return false; 1001 } 1002 1003 return mImsManager.isServiceReady(); 1004 } 1005 1006 private boolean shouldNumberBePlacedOnIms(boolean isEmergency, String number) { 1007 int processCallResult; 1008 try { 1009 if (mImsManager != null) { 1010 processCallResult = mImsManager.shouldProcessCall(isEmergency, 1011 new String[]{number}); 1012 Rlog.i(LOG_TAG, "shouldProcessCall: number: " + Rlog.pii(LOG_TAG, number) 1013 + ", result: " + processCallResult); 1014 } else { 1015 Rlog.w(LOG_TAG, "ImsManager unavailable, shouldProcessCall returning false."); 1016 return false; 1017 } 1018 } catch (ImsException e) { 1019 Rlog.w(LOG_TAG, "ImsService unavailable, shouldProcessCall returning false."); 1020 return false; 1021 } 1022 switch(processCallResult) { 1023 case MmTelFeature.PROCESS_CALL_IMS: { 1024 // The ImsService wishes to place the call over IMS 1025 return true; 1026 } 1027 case MmTelFeature.PROCESS_CALL_CSFB: { 1028 Rlog.i(LOG_TAG, "shouldProcessCall: place over CSFB instead."); 1029 return false; 1030 } 1031 default: { 1032 Rlog.w(LOG_TAG, "shouldProcessCall returned unknown result."); 1033 return false; 1034 } 1035 } 1036 } 1037 1038 /** 1039 * Caches frequently used carrier configuration items locally. 1040 * 1041 * @param subId The sub id. 1042 */ 1043 private void cacheCarrierConfiguration(int subId) { 1044 CarrierConfigManager carrierConfigManager = (CarrierConfigManager) 1045 mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 1046 if (carrierConfigManager == null 1047 || !SubscriptionController.getInstance().isActiveSubId(subId)) { 1048 loge("cacheCarrierConfiguration: No carrier config service found" + " " 1049 + "or not active subId = " + subId); 1050 mCarrierConfigLoaded = false; 1051 return; 1052 } 1053 1054 PersistableBundle carrierConfig = carrierConfigManager.getConfigForSubId(subId); 1055 if (carrierConfig == null) { 1056 loge("cacheCarrierConfiguration: Empty carrier config."); 1057 mCarrierConfigLoaded = false; 1058 return; 1059 } 1060 mCarrierConfigLoaded = true; 1061 1062 updateCarrierConfigCache(carrierConfig); 1063 } 1064 1065 /** 1066 * Updates the local carrier config cache from a bundle obtained from the carrier config 1067 * manager. Also supports unit testing by injecting configuration at test time. 1068 * @param carrierConfig The config bundle. 1069 */ 1070 @VisibleForTesting 1071 public void updateCarrierConfigCache(PersistableBundle carrierConfig) { 1072 mAllowEmergencyVideoCalls = 1073 carrierConfig.getBoolean(CarrierConfigManager.KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL); 1074 mTreatDowngradedVideoCallsAsVideoCalls = 1075 carrierConfig.getBoolean( 1076 CarrierConfigManager.KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL); 1077 mDropVideoCallWhenAnsweringAudioCall = 1078 carrierConfig.getBoolean( 1079 CarrierConfigManager.KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL); 1080 mAllowAddCallDuringVideoCall = 1081 carrierConfig.getBoolean( 1082 CarrierConfigManager.KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL); 1083 mNotifyVtHandoverToWifiFail = carrierConfig.getBoolean( 1084 CarrierConfigManager.KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL); 1085 mSupportDowngradeVtToAudio = carrierConfig.getBoolean( 1086 CarrierConfigManager.KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL); 1087 mNotifyHandoverVideoFromWifiToLTE = carrierConfig.getBoolean( 1088 CarrierConfigManager.KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL); 1089 mNotifyHandoverVideoFromLTEToWifi = carrierConfig.getBoolean( 1090 CarrierConfigManager.KEY_NOTIFY_HANDOVER_VIDEO_FROM_LTE_TO_WIFI_BOOL); 1091 mIgnoreDataEnabledChangedForVideoCalls = carrierConfig.getBoolean( 1092 CarrierConfigManager.KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS); 1093 mIsViLteDataMetered = carrierConfig.getBoolean( 1094 CarrierConfigManager.KEY_VILTE_DATA_IS_METERED_BOOL); 1095 mSupportPauseVideo = carrierConfig.getBoolean( 1096 CarrierConfigManager.KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL); 1097 mAlwaysPlayRemoteHoldTone = carrierConfig.getBoolean( 1098 CarrierConfigManager.KEY_ALWAYS_PLAY_REMOTE_HOLD_TONE_BOOL); 1099 1100 String[] mappings = carrierConfig 1101 .getStringArray(CarrierConfigManager.KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY); 1102 if (mappings != null && mappings.length > 0) { 1103 for (String mapping : mappings) { 1104 String[] values = mapping.split(Pattern.quote("|")); 1105 if (values.length != 3) { 1106 continue; 1107 } 1108 1109 try { 1110 Integer fromCode; 1111 if (values[0].equals("*")) { 1112 fromCode = null; 1113 } else { 1114 fromCode = Integer.parseInt(values[0]); 1115 } 1116 String message = values[1]; 1117 int toCode = Integer.parseInt(values[2]); 1118 1119 addReasonCodeRemapping(fromCode, message, toCode); 1120 log("Loaded ImsReasonInfo mapping : fromCode = " + 1121 fromCode == null ? "any" : fromCode + " ; message = " + 1122 message + " ; toCode = " + toCode); 1123 } catch (NumberFormatException nfe) { 1124 loge("Invalid ImsReasonInfo mapping found: " + mapping); 1125 } 1126 } 1127 } else { 1128 log("No carrier ImsReasonInfo mappings defined."); 1129 } 1130 } 1131 1132 private void handleEcmTimer(int action) { 1133 mPhone.handleTimerInEmergencyCallbackMode(action); 1134 switch (action) { 1135 case ImsPhone.CANCEL_ECM_TIMER: 1136 break; 1137 case ImsPhone.RESTART_ECM_TIMER: 1138 break; 1139 default: 1140 log("handleEcmTimer, unsupported action " + action); 1141 } 1142 } 1143 1144 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, 1145 Bundle intentExtras) { 1146 1147 if (conn == null) { 1148 return; 1149 } 1150 1151 if (conn.getAddress()== null || conn.getAddress().length() == 0 1152 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) { 1153 // Phone number is invalid 1154 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 1155 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1156 return; 1157 } 1158 1159 // Always unmute when initiating a new call 1160 setMute(false); 1161 int serviceType = mPhoneNumberUtilsProxy.isEmergencyNumber(conn.getAddress()) ? 1162 ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 1163 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 1164 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 1165 conn.setVideoState(videoState); 1166 1167 try { 1168 String[] callees = new String[] { conn.getAddress() }; 1169 ImsCallProfile profile = mImsManager.createCallProfile(serviceType, callType); 1170 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 1171 1172 // Translate call subject intent-extra from Telecom-specific extra key to the 1173 // ImsCallProfile key. 1174 if (intentExtras != null) { 1175 if (intentExtras.containsKey(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) { 1176 intentExtras.putString(ImsCallProfile.EXTRA_DISPLAY_TEXT, 1177 cleanseInstantLetteringMessage(intentExtras.getString( 1178 android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) 1179 ); 1180 } 1181 1182 if (conn.hasRttTextStream()) { 1183 profile.mMediaProfile.mRttMode = ImsStreamMediaProfile.RTT_MODE_FULL; 1184 } 1185 1186 if (intentExtras.containsKey(ImsCallProfile.EXTRA_IS_CALL_PULL)) { 1187 profile.mCallExtras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, 1188 intentExtras.getBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL)); 1189 int dialogId = intentExtras.getInt( 1190 ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID); 1191 conn.setIsPulledCall(true); 1192 conn.setPulledDialogId(dialogId); 1193 } 1194 1195 // Pack the OEM-specific call extras. 1196 profile.mCallExtras.putBundle(ImsCallProfile.EXTRA_OEM_EXTRAS, intentExtras); 1197 1198 // NOTE: Extras to be sent over the network are packed into the 1199 // intentExtras individually, with uniquely defined keys. 1200 // These key-value pairs are processed by IMS Service before 1201 // being sent to the lower layers/to the network. 1202 } 1203 1204 ImsCall imsCall = mImsManager.makeCall(profile, callees, mImsCallListener); 1205 conn.setImsCall(imsCall); 1206 1207 mMetrics.writeOnImsCallStart(mPhone.getPhoneId(), 1208 imsCall.getSession()); 1209 1210 setVideoCallProvider(conn, imsCall); 1211 conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall); 1212 } catch (ImsException e) { 1213 loge("dialInternal : " + e); 1214 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1215 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1216 retryGetImsService(); 1217 } catch (RemoteException e) { 1218 } 1219 } 1220 1221 /** 1222 * Accepts a call with the specified video state. The video state is the video state that the 1223 * user has agreed upon in the InCall UI. 1224 * 1225 * @param videoState The video State 1226 * @throws CallStateException 1227 */ 1228 public void acceptCall (int videoState) throws CallStateException { 1229 if (DBG) log("acceptCall"); 1230 1231 if (mForegroundCall.getState().isAlive() 1232 && mBackgroundCall.getState().isAlive()) { 1233 throw new CallStateException("cannot accept call"); 1234 } 1235 1236 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 1237 && mForegroundCall.getState().isAlive()) { 1238 setMute(false); 1239 1240 boolean answeringWillDisconnect = false; 1241 ImsCall activeCall = mForegroundCall.getImsCall(); 1242 ImsCall ringingCall = mRingingCall.getImsCall(); 1243 if (mForegroundCall.hasConnections() && mRingingCall.hasConnections()) { 1244 answeringWillDisconnect = 1245 shouldDisconnectActiveCallOnAnswer(activeCall, ringingCall); 1246 } 1247 1248 // Cache video state for pending MT call. 1249 mPendingCallVideoState = videoState; 1250 1251 if (answeringWillDisconnect) { 1252 // We need to disconnect the foreground call before answering the background call. 1253 mForegroundCall.hangup(); 1254 try { 1255 ringingCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 1256 } catch (ImsException e) { 1257 throw new CallStateException("cannot accept call"); 1258 } 1259 } else { 1260 switchWaitingOrHoldingAndActive(); 1261 } 1262 } else if (mRingingCall.getState().isRinging()) { 1263 if (DBG) log("acceptCall: incoming..."); 1264 // Always unmute when answering a new call 1265 setMute(false); 1266 try { 1267 ImsCall imsCall = mRingingCall.getImsCall(); 1268 if (imsCall != null) { 1269 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 1270 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1271 ImsCommand.IMS_CMD_ACCEPT); 1272 } else { 1273 throw new CallStateException("no valid ims call"); 1274 } 1275 } catch (ImsException e) { 1276 throw new CallStateException("cannot accept call"); 1277 } 1278 } else { 1279 throw new CallStateException("phone not ringing"); 1280 } 1281 } 1282 1283 public void rejectCall () throws CallStateException { 1284 if (DBG) log("rejectCall"); 1285 1286 if (mRingingCall.getState().isRinging()) { 1287 hangup(mRingingCall); 1288 } else { 1289 throw new CallStateException("phone not ringing"); 1290 } 1291 } 1292 1293 1294 private void switchAfterConferenceSuccess() { 1295 if (DBG) log("switchAfterConferenceSuccess fg =" + mForegroundCall.getState() + 1296 ", bg = " + mBackgroundCall.getState()); 1297 1298 if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 1299 log("switchAfterConferenceSuccess"); 1300 mForegroundCall.switchWith(mBackgroundCall); 1301 } 1302 } 1303 1304 public void switchWaitingOrHoldingAndActive() throws CallStateException { 1305 if (DBG) log("switchWaitingOrHoldingAndActive"); 1306 1307 if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) { 1308 throw new CallStateException("cannot be in the incoming state"); 1309 } 1310 1311 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 1312 ImsCall imsCall = mForegroundCall.getImsCall(); 1313 if (imsCall == null) { 1314 throw new CallStateException("no ims call"); 1315 } 1316 1317 // Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls. 1318 // If hold or resume later fails, we will swap them back. 1319 boolean switchingWithWaitingCall = !mBackgroundCall.getState().isAlive() && 1320 mRingingCall != null && 1321 mRingingCall.getState() == ImsPhoneCall.State.WAITING; 1322 1323 mSwitchingFgAndBgCalls = true; 1324 if (switchingWithWaitingCall) { 1325 mCallExpectedToResume = mRingingCall.getImsCall(); 1326 } else { 1327 mCallExpectedToResume = mBackgroundCall.getImsCall(); 1328 } 1329 mForegroundCall.switchWith(mBackgroundCall); 1330 1331 // Hold the foreground call; once the foreground call is held, the background call will 1332 // be resumed. 1333 try { 1334 imsCall.hold(); 1335 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1336 ImsCommand.IMS_CMD_HOLD); 1337 1338 // If there is no background call to resume, then don't expect there to be a switch. 1339 if (mCallExpectedToResume == null) { 1340 log("mCallExpectedToResume is null"); 1341 mSwitchingFgAndBgCalls = false; 1342 } 1343 } catch (ImsException e) { 1344 mForegroundCall.switchWith(mBackgroundCall); 1345 throw new CallStateException(e.getMessage()); 1346 } 1347 } else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 1348 resumeWaitingOrHolding(); 1349 } 1350 } 1351 1352 public void 1353 conference() { 1354 ImsCall fgImsCall = mForegroundCall.getImsCall(); 1355 if (fgImsCall == null) { 1356 log("conference no foreground ims call"); 1357 return; 1358 } 1359 1360 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 1361 if (bgImsCall == null) { 1362 log("conference no background ims call"); 1363 return; 1364 } 1365 1366 if (fgImsCall.isCallSessionMergePending()) { 1367 log("conference: skip; foreground call already in process of merging."); 1368 return; 1369 } 1370 1371 if (bgImsCall.isCallSessionMergePending()) { 1372 log("conference: skip; background call already in process of merging."); 1373 return; 1374 } 1375 1376 // Keep track of the connect time of the earliest call so that it can be set on the 1377 // {@code ImsConference} when it is created. 1378 long foregroundConnectTime = mForegroundCall.getEarliestConnectTime(); 1379 long backgroundConnectTime = mBackgroundCall.getEarliestConnectTime(); 1380 long conferenceConnectTime; 1381 if (foregroundConnectTime > 0 && backgroundConnectTime > 0) { 1382 conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 1383 mBackgroundCall.getEarliestConnectTime()); 1384 log("conference - using connect time = " + conferenceConnectTime); 1385 } else if (foregroundConnectTime > 0) { 1386 log("conference - bg call connect time is 0; using fg = " + foregroundConnectTime); 1387 conferenceConnectTime = foregroundConnectTime; 1388 } else { 1389 log("conference - fg call connect time is 0; using bg = " + backgroundConnectTime); 1390 conferenceConnectTime = backgroundConnectTime; 1391 } 1392 1393 String foregroundId = ""; 1394 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 1395 if (foregroundConnection != null) { 1396 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 1397 foregroundConnection.handleMergeStart(); 1398 foregroundId = foregroundConnection.getTelecomCallId(); 1399 } 1400 String backgroundId = ""; 1401 ImsPhoneConnection backgroundConnection = findConnection(bgImsCall); 1402 if (backgroundConnection != null) { 1403 backgroundConnection.handleMergeStart(); 1404 backgroundId = backgroundConnection.getTelecomCallId(); 1405 } 1406 log("conference: fgCallId=" + foregroundId + ", bgCallId=" + backgroundId); 1407 1408 try { 1409 fgImsCall.merge(bgImsCall); 1410 } catch (ImsException e) { 1411 log("conference " + e.getMessage()); 1412 } 1413 } 1414 1415 public void 1416 explicitCallTransfer() { 1417 //TODO : implement 1418 } 1419 1420 public void 1421 clearDisconnected() { 1422 if (DBG) log("clearDisconnected"); 1423 1424 internalClearDisconnected(); 1425 1426 updatePhoneState(); 1427 mPhone.notifyPreciseCallStateChanged(); 1428 } 1429 1430 public boolean 1431 canConference() { 1432 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 1433 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 1434 && !mBackgroundCall.isFull() 1435 && !mForegroundCall.isFull(); 1436 } 1437 1438 public boolean canDial() { 1439 boolean ret; 1440 String disableCall = SystemProperties.get( 1441 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 1442 1443 ret = mPendingMO == null 1444 && !mRingingCall.isRinging() 1445 && !disableCall.equals("true") 1446 && (!mForegroundCall.getState().isAlive() 1447 || !mBackgroundCall.getState().isAlive()); 1448 1449 return ret; 1450 } 1451 1452 public boolean 1453 canTransfer() { 1454 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 1455 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 1456 } 1457 1458 //***** Private Instance Methods 1459 1460 private void 1461 internalClearDisconnected() { 1462 mRingingCall.clearDisconnected(); 1463 mForegroundCall.clearDisconnected(); 1464 mBackgroundCall.clearDisconnected(); 1465 mHandoverCall.clearDisconnected(); 1466 } 1467 1468 private void 1469 updatePhoneState() { 1470 PhoneConstants.State oldState = mState; 1471 1472 boolean isPendingMOIdle = mPendingMO == null || !mPendingMO.getState().isAlive(); 1473 1474 if (mRingingCall.isRinging()) { 1475 mState = PhoneConstants.State.RINGING; 1476 } else if (!isPendingMOIdle || !mForegroundCall.isIdle() || !mBackgroundCall.isIdle()) { 1477 // There is a non-idle call, so we're off the hook. 1478 mState = PhoneConstants.State.OFFHOOK; 1479 } else { 1480 mState = PhoneConstants.State.IDLE; 1481 } 1482 1483 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 1484 mVoiceCallEndedRegistrants.notifyRegistrants( 1485 new AsyncResult(null, null, null)); 1486 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 1487 mVoiceCallStartedRegistrants.notifyRegistrants ( 1488 new AsyncResult(null, null, null)); 1489 } 1490 1491 if (DBG) { 1492 log("updatePhoneState pendingMo = " + (mPendingMO == null ? "null" 1493 : mPendingMO.getState()) + ", fg= " + mForegroundCall.getState() + "(" 1494 + mForegroundCall.getConnections().size() + "), bg= " + mBackgroundCall 1495 .getState() + "(" + mBackgroundCall.getConnections().size() + ")"); 1496 log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 1497 } 1498 1499 if (mState != oldState) { 1500 mPhone.notifyPhoneStateChanged(); 1501 mMetrics.writePhoneState(mPhone.getPhoneId(), mState); 1502 notifyPhoneStateChanged(oldState, mState); 1503 } 1504 } 1505 1506 private void 1507 handleRadioNotAvailable() { 1508 // handlePollCalls will clear out its 1509 // call list when it gets the CommandException 1510 // error result from this 1511 pollCallsWhenSafe(); 1512 } 1513 1514 private void 1515 dumpState() { 1516 List l; 1517 1518 log("Phone State:" + mState); 1519 1520 log("Ringing call: " + mRingingCall.toString()); 1521 1522 l = mRingingCall.getConnections(); 1523 for (int i = 0, s = l.size(); i < s; i++) { 1524 log(l.get(i).toString()); 1525 } 1526 1527 log("Foreground call: " + mForegroundCall.toString()); 1528 1529 l = mForegroundCall.getConnections(); 1530 for (int i = 0, s = l.size(); i < s; i++) { 1531 log(l.get(i).toString()); 1532 } 1533 1534 log("Background call: " + mBackgroundCall.toString()); 1535 1536 l = mBackgroundCall.getConnections(); 1537 for (int i = 0, s = l.size(); i < s; i++) { 1538 log(l.get(i).toString()); 1539 } 1540 1541 } 1542 1543 //***** Called from ImsPhone 1544 /** 1545 * Set the TTY mode. This is the actual tty mode (varies depending on peripheral status) 1546 */ 1547 public void setTtyMode(int ttyMode) { 1548 if (mImsManager == null) { 1549 Log.w(LOG_TAG, "ImsManager is null when setting TTY mode"); 1550 return; 1551 } 1552 1553 try { 1554 mImsManager.setTtyMode(ttyMode); 1555 } catch (ImsException e) { 1556 loge("setTtyMode : " + e); 1557 retryGetImsService(); 1558 } 1559 } 1560 1561 /** 1562 * Sets the UI TTY mode. This is the preferred TTY mode that the user sets in the call 1563 * settings screen. 1564 */ 1565 public void setUiTTYMode(int uiTtyMode, Message onComplete) { 1566 if (mImsManager == null) { 1567 mPhone.sendErrorResponse(onComplete, getImsManagerIsNullException()); 1568 return; 1569 } 1570 1571 try { 1572 mImsManager.setUiTTYMode(mPhone.getContext(), uiTtyMode, onComplete); 1573 } catch (ImsException e) { 1574 loge("setUITTYMode : " + e); 1575 mPhone.sendErrorResponse(onComplete, e); 1576 retryGetImsService(); 1577 } 1578 } 1579 1580 public void setMute(boolean mute) { 1581 mDesiredMute = mute; 1582 mForegroundCall.setMute(mute); 1583 } 1584 1585 public boolean getMute() { 1586 return mDesiredMute; 1587 } 1588 1589 /** 1590 * Sends a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>, 1591 * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15, 1592 * and event flash to 16. Currently, event flash is not supported. 1593 * 1594 * @param c that represents the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs. 1595 * @param result the result message to send when done. If non-null, the {@link Message} must 1596 * contain a valid {@link android.os.Messenger} in the {@link Message#replyTo} field, 1597 * since this can be used across IPC boundaries. 1598 */ 1599 public void sendDtmf(char c, Message result) { 1600 if (DBG) log("sendDtmf"); 1601 1602 ImsCall imscall = mForegroundCall.getImsCall(); 1603 if (imscall != null) { 1604 imscall.sendDtmf(c, result); 1605 } 1606 } 1607 1608 public void 1609 startDtmf(char c) { 1610 if (DBG) log("startDtmf"); 1611 1612 ImsCall imscall = mForegroundCall.getImsCall(); 1613 if (imscall != null) { 1614 imscall.startDtmf(c); 1615 } else { 1616 loge("startDtmf : no foreground call"); 1617 } 1618 } 1619 1620 public void 1621 stopDtmf() { 1622 if (DBG) log("stopDtmf"); 1623 1624 ImsCall imscall = mForegroundCall.getImsCall(); 1625 if (imscall != null) { 1626 imscall.stopDtmf(); 1627 } else { 1628 loge("stopDtmf : no foreground call"); 1629 } 1630 } 1631 1632 //***** Called from ImsPhoneConnection 1633 1634 public void hangup (ImsPhoneConnection conn) throws CallStateException { 1635 if (DBG) log("hangup connection"); 1636 1637 if (conn.getOwner() != this) { 1638 throw new CallStateException ("ImsPhoneConnection " + conn 1639 + "does not belong to ImsPhoneCallTracker " + this); 1640 } 1641 1642 hangup(conn.getCall()); 1643 } 1644 1645 //***** Called from ImsPhoneCall 1646 1647 public void hangup (ImsPhoneCall call) throws CallStateException { 1648 if (DBG) log("hangup call"); 1649 1650 if (call.getConnections().size() == 0) { 1651 throw new CallStateException("no connections"); 1652 } 1653 1654 ImsCall imsCall = call.getImsCall(); 1655 boolean rejectCall = false; 1656 1657 if (call == mRingingCall) { 1658 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 1659 rejectCall = true; 1660 } else if (call == mForegroundCall) { 1661 if (call.isDialingOrAlerting()) { 1662 if (Phone.DEBUG_PHONE) { 1663 log("(foregnd) hangup dialing or alerting..."); 1664 } 1665 } else { 1666 if (Phone.DEBUG_PHONE) { 1667 log("(foregnd) hangup foreground"); 1668 } 1669 //held call will be resumed by onCallTerminated 1670 } 1671 } else if (call == mBackgroundCall) { 1672 if (Phone.DEBUG_PHONE) { 1673 log("(backgnd) hangup waiting or background"); 1674 } 1675 } else { 1676 throw new CallStateException ("ImsPhoneCall " + call + 1677 "does not belong to ImsPhoneCallTracker " + this); 1678 } 1679 1680 call.onHangupLocal(); 1681 1682 try { 1683 if (imsCall != null) { 1684 if (rejectCall) { 1685 imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 1686 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1687 ImsCommand.IMS_CMD_REJECT); 1688 } else { 1689 imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 1690 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1691 ImsCommand.IMS_CMD_TERMINATE); 1692 } 1693 } else if (mPendingMO != null && call == mForegroundCall) { 1694 // is holding a foreground call 1695 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 1696 mPendingMO.onDisconnect(); 1697 removeConnection(mPendingMO); 1698 mPendingMO = null; 1699 updatePhoneState(); 1700 removeMessages(EVENT_DIAL_PENDINGMO); 1701 } 1702 } catch (ImsException e) { 1703 throw new CallStateException(e.getMessage()); 1704 } 1705 1706 mPhone.notifyPreciseCallStateChanged(); 1707 } 1708 1709 void callEndCleanupHandOverCallIfAny() { 1710 if (mHandoverCall.mConnections.size() > 0) { 1711 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 1712 + mHandoverCall.mConnections); 1713 mHandoverCall.mConnections.clear(); 1714 mConnections.clear(); 1715 mState = PhoneConstants.State.IDLE; 1716 } 1717 } 1718 1719 /* package */ 1720 void resumeWaitingOrHolding() throws CallStateException { 1721 if (DBG) log("resumeWaitingOrHolding"); 1722 1723 try { 1724 if (mForegroundCall.getState().isAlive()) { 1725 //resume foreground call after holding background call 1726 //they were switched before holding 1727 ImsCall imsCall = mForegroundCall.getImsCall(); 1728 if (imsCall != null) { 1729 imsCall.resume(); 1730 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1731 ImsCommand.IMS_CMD_RESUME); 1732 } 1733 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 1734 //accept waiting call after holding background call 1735 ImsCall imsCall = mRingingCall.getImsCall(); 1736 if (imsCall != null) { 1737 imsCall.accept( 1738 ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState)); 1739 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1740 ImsCommand.IMS_CMD_ACCEPT); 1741 } 1742 } else { 1743 //Just resume background call. 1744 //To distinguish resuming call with swapping calls 1745 //we do not switch calls.here 1746 //ImsPhoneConnection.update will chnage the parent when completed 1747 ImsCall imsCall = mBackgroundCall.getImsCall(); 1748 if (imsCall != null) { 1749 imsCall.resume(); 1750 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1751 ImsCommand.IMS_CMD_RESUME); 1752 } 1753 } 1754 } catch (ImsException e) { 1755 throw new CallStateException(e.getMessage()); 1756 } 1757 } 1758 1759 public void sendUSSD (String ussdString, Message response) { 1760 if (DBG) log("sendUSSD"); 1761 1762 try { 1763 if (mUssdSession != null) { 1764 mUssdSession.sendUssd(ussdString); 1765 AsyncResult.forMessage(response, null, null); 1766 response.sendToTarget(); 1767 return; 1768 } 1769 1770 if (mImsManager == null) { 1771 mPhone.sendErrorResponse(response, getImsManagerIsNullException()); 1772 return; 1773 } 1774 1775 String[] callees = new String[] { ussdString }; 1776 ImsCallProfile profile = mImsManager.createCallProfile( 1777 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 1778 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 1779 ImsCallProfile.DIALSTRING_USSD); 1780 1781 mUssdSession = mImsManager.makeCall(profile, callees, mImsUssdListener); 1782 } catch (ImsException e) { 1783 loge("sendUSSD : " + e); 1784 mPhone.sendErrorResponse(response, e); 1785 retryGetImsService(); 1786 } 1787 } 1788 1789 public void cancelUSSD() { 1790 if (mUssdSession == null) return; 1791 1792 try { 1793 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 1794 } catch (ImsException e) { 1795 } 1796 1797 } 1798 1799 private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) { 1800 for (ImsPhoneConnection conn : mConnections) { 1801 if (conn.getImsCall() == imsCall) { 1802 return conn; 1803 } 1804 } 1805 return null; 1806 } 1807 1808 private synchronized void removeConnection(ImsPhoneConnection conn) { 1809 mConnections.remove(conn); 1810 // If not emergency call is remaining, notify emergency call registrants 1811 if (mIsInEmergencyCall) { 1812 boolean isEmergencyCallInList = false; 1813 // if no emergency calls pending, set this to false 1814 for (ImsPhoneConnection imsPhoneConnection : mConnections) { 1815 if (imsPhoneConnection != null && imsPhoneConnection.isEmergency() == true) { 1816 isEmergencyCallInList = true; 1817 break; 1818 } 1819 } 1820 1821 if (!isEmergencyCallInList) { 1822 mIsInEmergencyCall = false; 1823 mPhone.sendEmergencyCallStateChange(false); 1824 } 1825 } 1826 } 1827 1828 private synchronized void addConnection(ImsPhoneConnection conn) { 1829 mConnections.add(conn); 1830 if (conn.isEmergency()) { 1831 mIsInEmergencyCall = true; 1832 mPhone.sendEmergencyCallStateChange(true); 1833 } 1834 } 1835 1836 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 1837 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 1838 // This method is called on onCallUpdate() where there is not necessarily a call state 1839 // change. In these situations, we'll ignore the state related updates and only process 1840 // the change in media capabilities (as expected). The default is to not ignore state 1841 // changes so we do not change existing behavior. 1842 processCallStateChange(imsCall, state, cause, false /* do not ignore state update */); 1843 } 1844 1845 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause, 1846 boolean ignoreState) { 1847 if (DBG) { 1848 log("processCallStateChange state=" + state + " cause=" + cause 1849 + " ignoreState=" + ignoreState); 1850 } 1851 1852 if (imsCall == null) return; 1853 1854 boolean changed = false; 1855 ImsPhoneConnection conn = findConnection(imsCall); 1856 1857 if (conn == null) { 1858 // TODO : what should be done? 1859 return; 1860 } 1861 1862 // processCallStateChange is triggered for onCallUpdated as well. 1863 // onCallUpdated should not modify the state of the call 1864 // It should modify only other capabilities of call through updateMediaCapabilities 1865 // State updates will be triggered through individual callbacks 1866 // i.e. onCallHeld, onCallResume, etc and conn.update will be responsible for the update 1867 conn.updateMediaCapabilities(imsCall); 1868 if (ignoreState) { 1869 conn.updateAddressDisplay(imsCall); 1870 conn.updateExtras(imsCall); 1871 1872 maybeSetVideoCallProvider(conn, imsCall); 1873 return; 1874 } 1875 1876 changed = conn.update(imsCall, state); 1877 if (state == ImsPhoneCall.State.DISCONNECTED) { 1878 changed = conn.onDisconnect(cause) || changed; 1879 //detach the disconnected connections 1880 conn.getCall().detach(conn); 1881 removeConnection(conn); 1882 } 1883 1884 if (changed) { 1885 if (conn.getCall() == mHandoverCall) return; 1886 updatePhoneState(); 1887 mPhone.notifyPreciseCallStateChanged(); 1888 } 1889 } 1890 1891 private void maybeSetVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) { 1892 android.telecom.Connection.VideoProvider connVideoProvider = conn.getVideoProvider(); 1893 if (connVideoProvider != null || imsCall.getCallSession().getVideoCallProvider() == null) { 1894 return; 1895 } 1896 1897 try { 1898 setVideoCallProvider(conn, imsCall); 1899 } catch (RemoteException e) { 1900 loge("maybeSetVideoCallProvider: exception " + e); 1901 } 1902 } 1903 1904 /** 1905 * Adds a reason code remapping, for test purposes. 1906 * 1907 * @param fromCode The from code, or {@code null} if all. 1908 * @param message The message to map. 1909 * @param toCode The code to remap to. 1910 */ 1911 @VisibleForTesting 1912 public void addReasonCodeRemapping(Integer fromCode, String message, Integer toCode) { 1913 mImsReasonCodeMap.put(new Pair<>(fromCode, message), toCode); 1914 } 1915 1916 /** 1917 * Returns the {@link ImsReasonInfo#getCode()}, potentially remapping to a new value based on 1918 * the {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()}. 1919 * 1920 * See {@link #mImsReasonCodeMap}. 1921 * 1922 * @param reasonInfo The {@link ImsReasonInfo}. 1923 * @return The remapped code. 1924 */ 1925 @VisibleForTesting 1926 public int maybeRemapReasonCode(ImsReasonInfo reasonInfo) { 1927 int code = reasonInfo.getCode(); 1928 1929 Pair<Integer, String> toCheck = new Pair<>(code, reasonInfo.getExtraMessage()); 1930 Pair<Integer, String> wildcardToCheck = new Pair<>(null, reasonInfo.getExtraMessage()); 1931 if (mImsReasonCodeMap.containsKey(toCheck)) { 1932 int toCode = mImsReasonCodeMap.get(toCheck); 1933 1934 log("maybeRemapReasonCode : fromCode = " + reasonInfo.getCode() + " ; message = " 1935 + reasonInfo.getExtraMessage() + " ; toCode = " + toCode); 1936 return toCode; 1937 } else if (mImsReasonCodeMap.containsKey(wildcardToCheck)) { 1938 // Handle the case where a wildcard is specified for the fromCode; in this case we will 1939 // match without caring about the fromCode. 1940 int toCode = mImsReasonCodeMap.get(wildcardToCheck); 1941 1942 log("maybeRemapReasonCode : fromCode(wildcard) = " + reasonInfo.getCode() + 1943 " ; message = " + reasonInfo.getExtraMessage() + " ; toCode = " + toCode); 1944 return toCode; 1945 } 1946 return code; 1947 } 1948 1949 /** 1950 * Maps an {@link ImsReasonInfo} reason code to a {@link DisconnectCause} cause code. 1951 * The {@link Call.State} provided is the state of the call prior to disconnection. 1952 * @param reasonInfo the {@link ImsReasonInfo} for the disconnection. 1953 * @param callState The {@link Call.State} prior to disconnection. 1954 * @return The {@link DisconnectCause} code. 1955 */ 1956 @VisibleForTesting 1957 public int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo, Call.State callState) { 1958 int cause = DisconnectCause.ERROR_UNSPECIFIED; 1959 1960 int code = maybeRemapReasonCode(reasonInfo); 1961 switch (code) { 1962 case ImsReasonInfo.CODE_SIP_ALTERNATE_EMERGENCY_CALL: 1963 return DisconnectCause.IMS_SIP_ALTERNATE_EMERGENCY_CALL; 1964 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 1965 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 1966 return DisconnectCause.NUMBER_UNREACHABLE; 1967 1968 case ImsReasonInfo.CODE_SIP_BUSY: 1969 return DisconnectCause.BUSY; 1970 1971 case ImsReasonInfo.CODE_USER_TERMINATED: 1972 return DisconnectCause.LOCAL; 1973 1974 case ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE: 1975 return DisconnectCause.IMS_MERGED_SUCCESSFULLY; 1976 1977 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 1978 case ImsReasonInfo.CODE_REMOTE_CALL_DECLINE: 1979 // If the call has been declined locally (on this device), or on remotely (on 1980 // another device using multiendpoint functionality), mark it as rejected. 1981 return DisconnectCause.INCOMING_REJECTED; 1982 1983 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 1984 return DisconnectCause.NORMAL; 1985 1986 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 1987 return DisconnectCause.SERVER_ERROR; 1988 1989 case ImsReasonInfo.CODE_SIP_REDIRECTED: 1990 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 1991 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 1992 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 1993 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 1994 return DisconnectCause.SERVER_ERROR; 1995 1996 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 1997 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 1998 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 1999 return DisconnectCause.SERVER_UNREACHABLE; 2000 2001 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 2002 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 2003 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 2004 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 2005 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 2006 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 2007 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 2008 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 2009 return DisconnectCause.OUT_OF_SERVICE; 2010 2011 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 2012 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 2013 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 2014 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 2015 return DisconnectCause.TIMED_OUT; 2016 2017 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 2018 return DisconnectCause.POWER_OFF; 2019 2020 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 2021 case ImsReasonInfo.CODE_LOW_BATTERY: { 2022 if (callState == Call.State.DIALING) { 2023 return DisconnectCause.DIAL_LOW_BATTERY; 2024 } else { 2025 return DisconnectCause.LOW_BATTERY; 2026 } 2027 } 2028 2029 case ImsReasonInfo.CODE_CALL_BARRED: 2030 return DisconnectCause.CALL_BARRED; 2031 2032 case ImsReasonInfo.CODE_FDN_BLOCKED: 2033 return DisconnectCause.FDN_BLOCKED; 2034 2035 case ImsReasonInfo.CODE_IMEI_NOT_ACCEPTED: 2036 return DisconnectCause.IMEI_NOT_ACCEPTED; 2037 2038 case ImsReasonInfo.CODE_ANSWERED_ELSEWHERE: 2039 return DisconnectCause.ANSWERED_ELSEWHERE; 2040 2041 case ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL: 2042 return DisconnectCause.CALL_PULLED; 2043 2044 case ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED: 2045 return DisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED; 2046 2047 case ImsReasonInfo.CODE_DATA_DISABLED: 2048 return DisconnectCause.DATA_DISABLED; 2049 2050 case ImsReasonInfo.CODE_DATA_LIMIT_REACHED: 2051 return DisconnectCause.DATA_LIMIT_REACHED; 2052 2053 case ImsReasonInfo.CODE_WIFI_LOST: 2054 return DisconnectCause.WIFI_LOST; 2055 2056 case ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED: 2057 return DisconnectCause.IMS_ACCESS_BLOCKED; 2058 2059 case ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE: 2060 return DisconnectCause.EMERGENCY_TEMP_FAILURE; 2061 2062 case ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE: 2063 return DisconnectCause.EMERGENCY_PERM_FAILURE; 2064 2065 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_USSD: 2066 return DisconnectCause.DIAL_MODIFIED_TO_USSD; 2067 2068 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_SS: 2069 return DisconnectCause.DIAL_MODIFIED_TO_SS; 2070 2071 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_DIAL: 2072 return DisconnectCause.DIAL_MODIFIED_TO_DIAL; 2073 2074 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_DIAL_VIDEO: 2075 return DisconnectCause.DIAL_MODIFIED_TO_DIAL_VIDEO; 2076 2077 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_DIAL: 2078 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_DIAL; 2079 2080 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO: 2081 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO; 2082 2083 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_SS: 2084 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_SS; 2085 2086 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_USSD: 2087 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_USSD; 2088 2089 case ImsReasonInfo.CODE_UNOBTAINABLE_NUMBER: 2090 return DisconnectCause.UNOBTAINABLE_NUMBER; 2091 2092 default: 2093 } 2094 2095 return cause; 2096 } 2097 2098 private int getPreciseDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 2099 return PRECISE_CAUSE_MAP.get(maybeRemapReasonCode(reasonInfo), 2100 PreciseDisconnectCause.ERROR_UNSPECIFIED); 2101 } 2102 2103 /** 2104 * @return true if the phone is in Emergency Callback mode, otherwise false 2105 */ 2106 private boolean isPhoneInEcbMode() { 2107 return mPhone != null && mPhone.isInEcm(); 2108 } 2109 2110 /** 2111 * Before dialing pending MO request, check for the Emergency Callback mode. 2112 * If device is in Emergency callback mode, then exit the mode before dialing pending MO. 2113 */ 2114 private void dialPendingMO() { 2115 boolean isPhoneInEcmMode = isPhoneInEcbMode(); 2116 boolean isEmergencyNumber = mPendingMO.isEmergency(); 2117 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 2118 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 2119 } else { 2120 sendEmptyMessage(EVENT_EXIT_ECBM_BEFORE_PENDINGMO); 2121 } 2122 } 2123 2124 /** 2125 * Listen to the IMS call state change 2126 */ 2127 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 2128 @Override 2129 public void onCallProgressing(ImsCall imsCall) { 2130 if (DBG) log("onCallProgressing"); 2131 2132 mPendingMO = null; 2133 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 2134 DisconnectCause.NOT_DISCONNECTED); 2135 mMetrics.writeOnImsCallProgressing(mPhone.getPhoneId(), imsCall.getCallSession()); 2136 } 2137 2138 @Override 2139 public void onCallStarted(ImsCall imsCall) { 2140 if (DBG) log("onCallStarted"); 2141 2142 if (mSwitchingFgAndBgCalls) { 2143 // If we put a call on hold to answer an incoming call, we should reset the 2144 // variables that keep track of the switch here. 2145 if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) { 2146 if (DBG) log("onCallStarted: starting a call as a result of a switch."); 2147 mSwitchingFgAndBgCalls = false; 2148 mCallExpectedToResume = null; 2149 } 2150 } 2151 2152 mPendingMO = null; 2153 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 2154 DisconnectCause.NOT_DISCONNECTED); 2155 2156 if (mNotifyVtHandoverToWifiFail && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 2157 if (isWifiConnected()) { 2158 // Schedule check to see if handover succeeded. 2159 sendMessageDelayed(obtainMessage(EVENT_CHECK_FOR_WIFI_HANDOVER, imsCall), 2160 HANDOVER_TO_WIFI_TIMEOUT_MS); 2161 } else { 2162 // No wifi connectivity, so keep track of network availability for potential 2163 // handover. 2164 registerForConnectivityChanges(); 2165 } 2166 } 2167 mHasPerformedStartOfCallHandover = false; 2168 mMetrics.writeOnImsCallStarted(mPhone.getPhoneId(), imsCall.getCallSession()); 2169 } 2170 2171 @Override 2172 public void onCallUpdated(ImsCall imsCall) { 2173 if (DBG) log("onCallUpdated"); 2174 if (imsCall == null) { 2175 return; 2176 } 2177 ImsPhoneConnection conn = findConnection(imsCall); 2178 if (conn != null) { 2179 if (DBG) log("onCallUpdated: profile is " + imsCall.getCallProfile()); 2180 processCallStateChange(imsCall, conn.getCall().mState, 2181 DisconnectCause.NOT_DISCONNECTED, true /*ignore state update*/); 2182 mMetrics.writeImsCallState(mPhone.getPhoneId(), 2183 imsCall.getCallSession(), conn.getCall().mState); 2184 } 2185 } 2186 2187 /** 2188 * onCallStartFailed will be invoked when: 2189 * case 1) Dialing fails 2190 * case 2) Ringing call is disconnected by local or remote user 2191 */ 2192 @Override 2193 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2194 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 2195 2196 if (mSwitchingFgAndBgCalls) { 2197 // If we put a call on hold to answer an incoming call, we should reset the 2198 // variables that keep track of the switch here. 2199 if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) { 2200 if (DBG) log("onCallStarted: starting a call as a result of a switch."); 2201 mSwitchingFgAndBgCalls = false; 2202 mCallExpectedToResume = null; 2203 } 2204 } 2205 2206 if (mPendingMO != null) { 2207 // To initiate dialing circuit-switched call 2208 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 2209 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 2210 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 2211 mForegroundCall.detach(mPendingMO); 2212 removeConnection(mPendingMO); 2213 mPendingMO.finalize(); 2214 mPendingMO = null; 2215 mPhone.initiateSilentRedial(); 2216 return; 2217 } else { 2218 mPendingMO = null; 2219 ImsPhoneConnection conn = findConnection(imsCall); 2220 Call.State callState; 2221 if (conn != null) { 2222 callState = conn.getState(); 2223 } else { 2224 // Need to fall back in case connection is null; it shouldn't be, but a sane 2225 // fallback is to assume we're dialing. This state is only used to 2226 // determine which disconnect string to show in the case of a low battery 2227 // disconnect. 2228 callState = Call.State.DIALING; 2229 } 2230 int cause = getDisconnectCauseFromReasonInfo(reasonInfo, callState); 2231 2232 if(conn != null) { 2233 conn.setPreciseDisconnectCause( 2234 getPreciseDisconnectCauseFromReasonInfo(reasonInfo)); 2235 } 2236 2237 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 2238 } 2239 mMetrics.writeOnImsCallStartFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 2240 reasonInfo); 2241 } 2242 } 2243 2244 @Override 2245 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2246 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 2247 2248 ImsPhoneConnection conn = findConnection(imsCall); 2249 Call.State callState; 2250 if (conn != null) { 2251 callState = conn.getState(); 2252 } else { 2253 // Connection shouldn't be null, but if it is, we can assume the call was active. 2254 // This call state is only used for determining which disconnect message to show in 2255 // the case of the device's battery being low resulting in a call drop. 2256 callState = Call.State.ACTIVE; 2257 } 2258 int cause = getDisconnectCauseFromReasonInfo(reasonInfo, callState); 2259 2260 if (DBG) log("cause = " + cause + " conn = " + conn); 2261 2262 if (conn != null) { 2263 android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider(); 2264 if (videoProvider instanceof ImsVideoCallProviderWrapper) { 2265 ImsVideoCallProviderWrapper wrapper = (ImsVideoCallProviderWrapper) 2266 videoProvider; 2267 2268 wrapper.removeImsVideoProviderCallback(conn); 2269 } 2270 } 2271 if (mOnHoldToneId == System.identityHashCode(conn)) { 2272 if (conn != null && mOnHoldToneStarted) { 2273 mPhone.stopOnHoldTone(conn); 2274 } 2275 mOnHoldToneStarted = false; 2276 mOnHoldToneId = -1; 2277 } 2278 if (conn != null) { 2279 if (conn.isPulledCall() && ( 2280 reasonInfo.getCode() == ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC || 2281 reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE || 2282 reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_FORBIDDEN) && 2283 mPhone != null && mPhone.getExternalCallTracker() != null) { 2284 2285 log("Call pull failed."); 2286 // Call was being pulled, but the call pull has failed -- inform the associated 2287 // TelephonyConnection that the pull failed, and provide it with the original 2288 // external connection which was pulled so that it can be swapped back. 2289 conn.onCallPullFailed(mPhone.getExternalCallTracker() 2290 .getConnectionById(conn.getPulledDialogId())); 2291 // Do not mark as disconnected; the call will just change from being a regular 2292 // call to being an external call again. 2293 cause = DisconnectCause.NOT_DISCONNECTED; 2294 2295 } else if (conn.isIncoming() && conn.getConnectTime() == 0 2296 && cause != DisconnectCause.ANSWERED_ELSEWHERE) { 2297 // Missed 2298 if (cause == DisconnectCause.NORMAL) { 2299 cause = DisconnectCause.INCOMING_MISSED; 2300 } else { 2301 cause = DisconnectCause.INCOMING_REJECTED; 2302 } 2303 if (DBG) log("Incoming connection of 0 connect time detected - translated " + 2304 "cause = " + cause); 2305 } 2306 } 2307 2308 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 2309 // Call was terminated while it is merged instead of a remote disconnect. 2310 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 2311 } 2312 2313 mMetrics.writeOnImsCallTerminated(mPhone.getPhoneId(), imsCall.getCallSession(), 2314 reasonInfo); 2315 2316 if(conn != null) { 2317 conn.setPreciseDisconnectCause(getPreciseDisconnectCauseFromReasonInfo(reasonInfo)); 2318 } 2319 2320 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 2321 if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) { 2322 if (mRingingCall.getState().isRinging()) { 2323 // Drop pending MO. We should address incoming call first 2324 mPendingMO = null; 2325 } else if (mPendingMO != null) { 2326 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 2327 } 2328 } 2329 2330 if (mSwitchingFgAndBgCalls) { 2331 if (DBG) { 2332 log("onCallTerminated: Call terminated in the midst of Switching " + 2333 "Fg and Bg calls."); 2334 } 2335 // If we are the in midst of swapping FG and BG calls and the call that was 2336 // terminated was the one that we expected to resume, we need to swap the FG and 2337 // BG calls back. 2338 if (imsCall == mCallExpectedToResume) { 2339 if (DBG) { 2340 log("onCallTerminated: switching " + mForegroundCall + " with " 2341 + mBackgroundCall); 2342 } 2343 mForegroundCall.switchWith(mBackgroundCall); 2344 } 2345 // This call terminated in the midst of a switch after the other call was held, so 2346 // resume it back to ACTIVE state since the switch failed. 2347 log("onCallTerminated: foreground call in state " + mForegroundCall.getState() + 2348 " and ringing call in state " + (mRingingCall == null ? "null" : 2349 mRingingCall.getState().toString())); 2350 2351 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING || 2352 mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 2353 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2354 mSwitchingFgAndBgCalls = false; 2355 mCallExpectedToResume = null; 2356 } 2357 } 2358 2359 if (mShouldUpdateImsConfigOnDisconnect) { 2360 // Ensure we update the IMS config when the call is disconnected; we delayed this 2361 // because a video call was paused. 2362 if (mImsManager != null) { 2363 mImsManager.updateImsServiceConfig(true); 2364 } 2365 mShouldUpdateImsConfigOnDisconnect = false; 2366 } 2367 } 2368 2369 @Override 2370 public void onCallHeld(ImsCall imsCall) { 2371 if (DBG) { 2372 if (mForegroundCall.getImsCall() == imsCall) { 2373 log("onCallHeld (fg) " + imsCall); 2374 } else if (mBackgroundCall.getImsCall() == imsCall) { 2375 log("onCallHeld (bg) " + imsCall); 2376 } 2377 } 2378 2379 synchronized (mSyncHold) { 2380 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 2381 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 2382 DisconnectCause.NOT_DISCONNECTED); 2383 2384 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 2385 // processCallStateChange above may have caused the mBackgroundCall and 2386 // mForegroundCall references below to change meaning. Watch out for this if you 2387 // are reading through this code. 2388 if (oldState == ImsPhoneCall.State.ACTIVE) { 2389 // Note: This case comes up when we have just held a call in response to a 2390 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 2391 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 2392 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 2393 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 2394 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2395 } else { 2396 //when multiple connections belong to background call, 2397 //only the first callback reaches here 2398 //otherwise the oldState is already HOLDING 2399 if (mPendingMO != null) { 2400 dialPendingMO(); 2401 } 2402 2403 // In this case there will be no call resumed, so we can assume that we 2404 // are done switching fg and bg calls now. 2405 // This may happen if there is no BG call and we are holding a call so that 2406 // we can dial another one. 2407 mSwitchingFgAndBgCalls = false; 2408 } 2409 } else if (oldState == ImsPhoneCall.State.IDLE && mSwitchingFgAndBgCalls) { 2410 // The other call terminated in the midst of a switch before this call was held, 2411 // so resume the foreground call back to ACTIVE state since the switch failed. 2412 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) { 2413 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2414 mSwitchingFgAndBgCalls = false; 2415 mCallExpectedToResume = null; 2416 } 2417 } 2418 } 2419 mMetrics.writeOnImsCallHeld(mPhone.getPhoneId(), imsCall.getCallSession()); 2420 } 2421 2422 @Override 2423 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2424 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 2425 2426 synchronized (mSyncHold) { 2427 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 2428 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 2429 // disconnected while processing hold 2430 if (mPendingMO != null) { 2431 dialPendingMO(); 2432 } 2433 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 2434 mForegroundCall.switchWith(mBackgroundCall); 2435 2436 if (mPendingMO != null) { 2437 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 2438 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 2439 } 2440 } 2441 mPhone.notifySuppServiceFailed(Phone.SuppService.HOLD); 2442 } 2443 mMetrics.writeOnImsCallHoldFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 2444 reasonInfo); 2445 } 2446 2447 @Override 2448 public void onCallResumed(ImsCall imsCall) { 2449 if (DBG) log("onCallResumed"); 2450 2451 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 2452 // is not the one we expected, we likely had a resume failure and we need to swap the 2453 // FG and BG calls back. 2454 if (mSwitchingFgAndBgCalls) { 2455 if (imsCall != mCallExpectedToResume) { 2456 // If the call which resumed isn't as expected, we need to swap back to the 2457 // previous configuration; the swap has failed. 2458 if (DBG) { 2459 log("onCallResumed : switching " + mForegroundCall + " with " 2460 + mBackgroundCall); 2461 } 2462 mForegroundCall.switchWith(mBackgroundCall); 2463 } else { 2464 // The call which resumed is the one we expected to resume, so we can clear out 2465 // the mSwitchingFgAndBgCalls flag. 2466 if (DBG) { 2467 log("onCallResumed : expected call resumed."); 2468 } 2469 } 2470 mSwitchingFgAndBgCalls = false; 2471 mCallExpectedToResume = null; 2472 } 2473 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 2474 DisconnectCause.NOT_DISCONNECTED); 2475 mMetrics.writeOnImsCallResumed(mPhone.getPhoneId(), imsCall.getCallSession()); 2476 } 2477 2478 @Override 2479 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2480 if (mSwitchingFgAndBgCalls) { 2481 // If we are in the midst of swapping the FG and BG calls and 2482 // we got a resume fail, we need to swap back the FG and BG calls. 2483 // Since the FG call was held, will also try to resume the same. 2484 if (imsCall == mCallExpectedToResume) { 2485 if (DBG) { 2486 log("onCallResumeFailed : switching " + mForegroundCall + " with " 2487 + mBackgroundCall); 2488 } 2489 mForegroundCall.switchWith(mBackgroundCall); 2490 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) { 2491 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2492 } 2493 } 2494 2495 //Call swap is done, reset the relevant variables 2496 mCallExpectedToResume = null; 2497 mSwitchingFgAndBgCalls = false; 2498 } 2499 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 2500 mMetrics.writeOnImsCallResumeFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 2501 reasonInfo); 2502 } 2503 2504 @Override 2505 public void onCallResumeReceived(ImsCall imsCall) { 2506 if (DBG) log("onCallResumeReceived"); 2507 ImsPhoneConnection conn = findConnection(imsCall); 2508 if (conn != null) { 2509 if (mOnHoldToneStarted) { 2510 mPhone.stopOnHoldTone(conn); 2511 mOnHoldToneStarted = false; 2512 } 2513 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_UNHELD, null); 2514 } 2515 2516 boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean( 2517 com.android.internal.R.bool.config_useVideoPauseWorkaround); 2518 if (useVideoPauseWorkaround && mSupportPauseVideo && 2519 VideoProfile.isVideo(conn.getVideoState())) { 2520 // If we are using the video pause workaround, the vendor IMS code has issues 2521 // with video pause signalling. In this case, when a call is remotely 2522 // held, the modem does not reliably change the video state of the call to be 2523 // paused. 2524 // As a workaround, we will turn on that bit now. 2525 conn.changeToUnPausedState(); 2526 } 2527 2528 SuppServiceNotification supp = new SuppServiceNotification(); 2529 // Type of notification: 0 = MO; 1 = MT 2530 // Refer SuppServiceNotification class documentation. 2531 supp.notificationType = 1; 2532 supp.code = SuppServiceNotification.CODE_2_CALL_RETRIEVED; 2533 mPhone.notifySuppSvcNotification(supp); 2534 mMetrics.writeOnImsCallResumeReceived(mPhone.getPhoneId(), imsCall.getCallSession()); 2535 } 2536 2537 @Override 2538 public void onCallHoldReceived(ImsCall imsCall) { 2539 ImsPhoneCallTracker.this.onCallHoldReceived(imsCall); 2540 } 2541 2542 @Override 2543 public void onCallSuppServiceReceived(ImsCall call, 2544 ImsSuppServiceNotification suppServiceInfo) { 2545 if (DBG) log("onCallSuppServiceReceived: suppServiceInfo=" + suppServiceInfo); 2546 2547 SuppServiceNotification supp = new SuppServiceNotification(); 2548 supp.notificationType = suppServiceInfo.notificationType; 2549 supp.code = suppServiceInfo.code; 2550 supp.index = suppServiceInfo.index; 2551 supp.number = suppServiceInfo.number; 2552 supp.history = suppServiceInfo.history; 2553 2554 mPhone.notifySuppSvcNotification(supp); 2555 } 2556 2557 @Override 2558 public void onCallMerged(final ImsCall call, final ImsCall peerCall, boolean swapCalls) { 2559 if (DBG) log("onCallMerged"); 2560 2561 ImsPhoneCall foregroundImsPhoneCall = findConnection(call).getCall(); 2562 ImsPhoneConnection peerConnection = findConnection(peerCall); 2563 ImsPhoneCall peerImsPhoneCall = peerConnection == null ? null 2564 : peerConnection.getCall(); 2565 2566 if (swapCalls) { 2567 switchAfterConferenceSuccess(); 2568 } 2569 foregroundImsPhoneCall.merge(peerImsPhoneCall, ImsPhoneCall.State.ACTIVE); 2570 2571 try { 2572 final ImsPhoneConnection conn = findConnection(call); 2573 log("onCallMerged: ImsPhoneConnection=" + conn); 2574 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 2575 setVideoCallProvider(conn, call); 2576 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 2577 } catch (Exception e) { 2578 loge("onCallMerged: exception " + e); 2579 } 2580 2581 // After merge complete, update foreground as Active 2582 // and background call as Held, if background call exists 2583 processCallStateChange(mForegroundCall.getImsCall(), ImsPhoneCall.State.ACTIVE, 2584 DisconnectCause.NOT_DISCONNECTED); 2585 if (peerConnection != null) { 2586 processCallStateChange(mBackgroundCall.getImsCall(), ImsPhoneCall.State.HOLDING, 2587 DisconnectCause.NOT_DISCONNECTED); 2588 } 2589 2590 // Check if the merge was requested by an existing conference call. In that 2591 // case, no further action is required. 2592 if (!call.isMergeRequestedByConf()) { 2593 log("onCallMerged :: calling onMultipartyStateChanged()"); 2594 onMultipartyStateChanged(call, true); 2595 } else { 2596 log("onCallMerged :: Merge requested by existing conference."); 2597 // Reset the flag. 2598 call.resetIsMergeRequestedByConf(false); 2599 } 2600 logState(); 2601 } 2602 2603 @Override 2604 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 2605 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 2606 2607 // TODO: the call to notifySuppServiceFailed throws up the "merge failed" dialog 2608 // We should move this into the InCallService so that it is handled appropriately 2609 // based on the user facing UI. 2610 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 2611 2612 // Start plumbing this even through Telecom so other components can take 2613 // appropriate action. 2614 ImsPhoneConnection conn = findConnection(call); 2615 if (conn != null) { 2616 conn.onConferenceMergeFailed(); 2617 conn.handleMergeComplete(); 2618 } 2619 } 2620 2621 /** 2622 * Called when the state of IMS conference participant(s) has changed. 2623 * 2624 * @param call the call object that carries out the IMS call. 2625 * @param participants the participant(s) and their new state information. 2626 */ 2627 @Override 2628 public void onConferenceParticipantsStateChanged(ImsCall call, 2629 List<ConferenceParticipant> participants) { 2630 if (DBG) log("onConferenceParticipantsStateChanged"); 2631 2632 ImsPhoneConnection conn = findConnection(call); 2633 if (conn != null) { 2634 conn.updateConferenceParticipants(participants); 2635 } 2636 } 2637 2638 @Override 2639 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 2640 mPhone.onTtyModeReceived(mode); 2641 } 2642 2643 @Override 2644 public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 2645 ImsReasonInfo reasonInfo) { 2646 if (DBG) { 2647 log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" + 2648 targetAccessTech + ", reasonInfo=" + reasonInfo); 2649 } 2650 2651 // Only consider it a valid handover to WIFI if the source radio tech is known. 2652 boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN 2653 && srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN 2654 && targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 2655 // Only consider it a handover from WIFI if the source and target radio tech is known. 2656 boolean isHandoverFromWifi = 2657 srcAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN 2658 && targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN 2659 && targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 2660 2661 ImsPhoneConnection conn = findConnection(imsCall); 2662 if (conn != null) { 2663 if (conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 2664 if (isHandoverToWifi) { 2665 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 2666 2667 if (mNotifyHandoverVideoFromLTEToWifi && mHasPerformedStartOfCallHandover) { 2668 // This is a handover which happened mid-call (ie not the start of call 2669 // handover from LTE to WIFI), so we'll notify the InCall UI. 2670 conn.onConnectionEvent( 2671 TelephonyManager.EVENT_HANDOVER_VIDEO_FROM_LTE_TO_WIFI, null); 2672 } 2673 2674 // We are on WIFI now so no need to get notified of network availability. 2675 unregisterForConnectivityChanges(); 2676 } else if (isHandoverFromWifi && imsCall.isVideoCall()) { 2677 // A video call just dropped from WIFI to LTE; we want to be informed if a 2678 // new WIFI 2679 // network comes into range. 2680 registerForConnectivityChanges(); 2681 } 2682 } 2683 2684 if (isHandoverFromWifi && imsCall.isVideoCall()) { 2685 if (mNotifyHandoverVideoFromWifiToLTE && mIsDataEnabled) { 2686 if (conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 2687 log("onCallHandover :: notifying of WIFI to LTE handover."); 2688 conn.onConnectionEvent( 2689 TelephonyManager.EVENT_HANDOVER_VIDEO_FROM_WIFI_TO_LTE, null); 2690 } else { 2691 // Call has already had a disconnect request issued by the user or is 2692 // in the process of disconnecting; do not inform the UI of this as it 2693 // is not relevant. 2694 log("onCallHandover :: skip notify of WIFI to LTE handover for " 2695 + "disconnected call."); 2696 } 2697 } 2698 2699 if (!mIsDataEnabled && mIsViLteDataMetered) { 2700 // Call was downgraded from WIFI to LTE and data is metered; downgrade the 2701 // call now. 2702 downgradeVideoCall(ImsReasonInfo.CODE_WIFI_LOST, conn); 2703 } 2704 } 2705 } else { 2706 loge("onCallHandover :: connection null."); 2707 } 2708 2709 if (!mHasPerformedStartOfCallHandover) { 2710 mHasPerformedStartOfCallHandover = true; 2711 } 2712 mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(), 2713 TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER, imsCall.getCallSession(), 2714 srcAccessTech, targetAccessTech, reasonInfo); 2715 } 2716 2717 @Override 2718 public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 2719 ImsReasonInfo reasonInfo) { 2720 if (DBG) { 2721 log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech + 2722 ", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo); 2723 } 2724 mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(), 2725 TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER_FAILED, 2726 imsCall.getCallSession(), srcAccessTech, targetAccessTech, reasonInfo); 2727 2728 boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN && 2729 targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 2730 ImsPhoneConnection conn = findConnection(imsCall); 2731 if (conn != null && isHandoverToWifi) { 2732 log("onCallHandoverFailed - handover to WIFI Failed"); 2733 2734 // If we know we failed to handover, don't check for failure in the future. 2735 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 2736 2737 if (imsCall.isVideoCall() 2738 && conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 2739 // Start listening for a WIFI network to come into range for potential handover. 2740 registerForConnectivityChanges(); 2741 } 2742 2743 if (mNotifyVtHandoverToWifiFail) { 2744 // Only notify others if carrier config indicates to do so. 2745 conn.onHandoverToWifiFailed(); 2746 } 2747 } 2748 if (!mHasPerformedStartOfCallHandover) { 2749 mHasPerformedStartOfCallHandover = true; 2750 } 2751 } 2752 2753 @Override 2754 public void onRttModifyRequestReceived(ImsCall imsCall) { 2755 ImsPhoneConnection conn = findConnection(imsCall); 2756 if (conn != null) { 2757 conn.onRttModifyRequestReceived(); 2758 } 2759 } 2760 2761 @Override 2762 public void onRttModifyResponseReceived(ImsCall imsCall, int status) { 2763 ImsPhoneConnection conn = findConnection(imsCall); 2764 if (conn != null) { 2765 conn.onRttModifyResponseReceived(status); 2766 } 2767 } 2768 2769 @Override 2770 public void onRttMessageReceived(ImsCall imsCall, String message) { 2771 ImsPhoneConnection conn = findConnection(imsCall); 2772 if (conn != null) { 2773 conn.onRttMessageReceived(message); 2774 } 2775 } 2776 2777 /** 2778 * Handles a change to the multiparty state for an {@code ImsCall}. Notifies the associated 2779 * {@link ImsPhoneConnection} of the change. 2780 * 2781 * @param imsCall The IMS call. 2782 * @param isMultiParty {@code true} if the call became multiparty, {@code false} 2783 * otherwise. 2784 */ 2785 @Override 2786 public void onMultipartyStateChanged(ImsCall imsCall, boolean isMultiParty) { 2787 if (DBG) log("onMultipartyStateChanged to " + (isMultiParty ? "Y" : "N")); 2788 2789 ImsPhoneConnection conn = findConnection(imsCall); 2790 if (conn != null) { 2791 conn.updateMultipartyState(isMultiParty); 2792 } 2793 } 2794 }; 2795 2796 /** 2797 * Listen to the IMS call state change 2798 */ 2799 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 2800 @Override 2801 public void onCallStarted(ImsCall imsCall) { 2802 if (DBG) log("mImsUssdListener onCallStarted"); 2803 2804 if (imsCall == mUssdSession) { 2805 if (mPendingUssd != null) { 2806 AsyncResult.forMessage(mPendingUssd); 2807 mPendingUssd.sendToTarget(); 2808 mPendingUssd = null; 2809 } 2810 } 2811 } 2812 2813 @Override 2814 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2815 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 2816 2817 onCallTerminated(imsCall, reasonInfo); 2818 } 2819 2820 @Override 2821 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2822 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 2823 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 2824 mHasPerformedStartOfCallHandover = false; 2825 unregisterForConnectivityChanges(); 2826 2827 if (imsCall == mUssdSession) { 2828 mUssdSession = null; 2829 if (mPendingUssd != null) { 2830 CommandException ex = 2831 new CommandException(CommandException.Error.GENERIC_FAILURE); 2832 AsyncResult.forMessage(mPendingUssd, null, ex); 2833 mPendingUssd.sendToTarget(); 2834 mPendingUssd = null; 2835 } 2836 } 2837 imsCall.close(); 2838 } 2839 2840 @Override 2841 public void onCallUssdMessageReceived(ImsCall call, 2842 int mode, String ussdMessage) { 2843 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 2844 2845 int ussdMode = -1; 2846 2847 switch(mode) { 2848 case ImsCall.USSD_MODE_REQUEST: 2849 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 2850 break; 2851 2852 case ImsCall.USSD_MODE_NOTIFY: 2853 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 2854 break; 2855 } 2856 2857 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 2858 } 2859 }; 2860 2861 private final ImsRegistrationImplBase.Callback mImsRegistrationCallback = 2862 new ImsRegistrationImplBase.Callback() { 2863 2864 @Override 2865 public void onRegistered( 2866 @ImsRegistrationImplBase.ImsRegistrationTech int imsRadioTech) { 2867 if (DBG) log("onImsConnected imsRadioTech=" + imsRadioTech); 2868 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 2869 mPhone.setImsRegistered(true); 2870 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2871 ImsConnectionState.State.CONNECTED, null); 2872 } 2873 2874 @Override 2875 public void onRegistering( 2876 @ImsRegistrationImplBase.ImsRegistrationTech int imsRadioTech) { 2877 if (DBG) log("onImsProgressing imsRadioTech=" + imsRadioTech); 2878 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 2879 mPhone.setImsRegistered(false); 2880 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2881 ImsConnectionState.State.PROGRESSING, null); 2882 } 2883 2884 @Override 2885 public void onDeregistered(ImsReasonInfo imsReasonInfo) { 2886 if (DBG) log("onImsDisconnected imsReasonInfo=" + imsReasonInfo); 2887 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 2888 mPhone.setImsRegistered(false); 2889 mPhone.processDisconnectReason(imsReasonInfo); 2890 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2891 ImsConnectionState.State.DISCONNECTED, imsReasonInfo); 2892 } 2893 2894 @Override 2895 public void onSubscriberAssociatedUriChanged(Uri[] uris) { 2896 if (DBG) log("registrationAssociatedUriChanged"); 2897 mPhone.setCurrentSubscriberUris(uris); 2898 } 2899 }; 2900 2901 private final ImsFeature.CapabilityCallback mImsCapabilityCallback = 2902 new ImsFeature.CapabilityCallback() { 2903 @Override 2904 public void onCapabilitiesStatusChanged(ImsFeature.Capabilities config) { 2905 if (DBG) log("onCapabilitiesStatusChanged: " + config); 2906 SomeArgs args = SomeArgs.obtain(); 2907 args.arg1 = config; 2908 // Remove any pending updates; they're already stale, so no need to process 2909 // them. 2910 removeMessages(EVENT_ON_FEATURE_CAPABILITY_CHANGED); 2911 obtainMessage(EVENT_ON_FEATURE_CAPABILITY_CHANGED, args).sendToTarget(); 2912 } 2913 }; 2914 2915 private ImsConfigListener.Stub mImsConfigListener = new ImsConfigListener.Stub() { 2916 @Override 2917 public void onGetFeatureResponse(int feature, int network, int value, int status) {} 2918 2919 @Override 2920 public void onSetFeatureResponse(int feature, int network, int value, int status) { 2921 mMetrics.writeImsSetFeatureValue(mPhone.getPhoneId(), feature, network, value); 2922 } 2923 2924 @Override 2925 public void onGetVideoQuality(int status, int quality) {} 2926 2927 @Override 2928 public void onSetVideoQuality(int status) {} 2929 2930 }; 2931 2932 private final ImsConfigImplBase.Callback mConfigCallback = new ImsConfigImplBase.Callback() { 2933 @Override 2934 public void onConfigChanged(int item, int value) { 2935 sendConfigChangedIntent(item, Integer.toString(value)); 2936 } 2937 2938 @Override 2939 public void onConfigChanged(int item, String value) { 2940 sendConfigChangedIntent(item, value); 2941 } 2942 2943 // send IMS_CONFIG_CHANGED intent for older services that do not implement the new callback 2944 // interface. 2945 private void sendConfigChangedIntent(int item, String value) { 2946 log("sendConfigChangedIntent - [" + item + ", " + value + "]"); 2947 Intent configChangedIntent = new Intent(ImsConfig.ACTION_IMS_CONFIG_CHANGED); 2948 configChangedIntent.putExtra(ImsConfig.EXTRA_CHANGED_ITEM, item); 2949 configChangedIntent.putExtra(ImsConfig.EXTRA_NEW_VALUE, value); 2950 if (mPhone != null && mPhone.getContext() != null) { 2951 mPhone.getContext().sendBroadcast(configChangedIntent); 2952 } 2953 } 2954 }; 2955 2956 public ImsUtInterface getUtInterface() throws ImsException { 2957 if (mImsManager == null) { 2958 throw getImsManagerIsNullException(); 2959 } 2960 2961 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(); 2962 return ut; 2963 } 2964 2965 private void transferHandoverConnections(ImsPhoneCall call) { 2966 if (call.mConnections != null) { 2967 for (Connection c : call.mConnections) { 2968 c.mPreHandoverState = call.mState; 2969 log ("Connection state before handover is " + c.getStateBeforeHandover()); 2970 } 2971 } 2972 if (mHandoverCall.mConnections == null ) { 2973 mHandoverCall.mConnections = call.mConnections; 2974 } else { // Multi-call SRVCC 2975 mHandoverCall.mConnections.addAll(call.mConnections); 2976 } 2977 if (mHandoverCall.mConnections != null) { 2978 if (call.getImsCall() != null) { 2979 call.getImsCall().close(); 2980 } 2981 for (Connection c : mHandoverCall.mConnections) { 2982 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 2983 ((ImsPhoneConnection)c).releaseWakeLock(); 2984 } 2985 } 2986 if (call.getState().isAlive()) { 2987 log ("Call is alive and state is " + call.mState); 2988 mHandoverCall.mState = call.mState; 2989 } 2990 call.mConnections.clear(); 2991 call.mState = ImsPhoneCall.State.IDLE; 2992 } 2993 2994 /* package */ 2995 void notifySrvccState(Call.SrvccState state) { 2996 if (DBG) log("notifySrvccState state=" + state); 2997 2998 mSrvccState = state; 2999 3000 if (mSrvccState == Call.SrvccState.COMPLETED) { 3001 transferHandoverConnections(mForegroundCall); 3002 transferHandoverConnections(mBackgroundCall); 3003 transferHandoverConnections(mRingingCall); 3004 } 3005 } 3006 3007 //****** Overridden from Handler 3008 3009 @Override 3010 public void 3011 handleMessage (Message msg) { 3012 AsyncResult ar; 3013 if (DBG) log("handleMessage what=" + msg.what); 3014 3015 switch (msg.what) { 3016 case EVENT_HANGUP_PENDINGMO: 3017 if (mPendingMO != null) { 3018 mPendingMO.onDisconnect(); 3019 removeConnection(mPendingMO); 3020 mPendingMO = null; 3021 } 3022 mPendingIntentExtras = null; 3023 updatePhoneState(); 3024 mPhone.notifyPreciseCallStateChanged(); 3025 break; 3026 case EVENT_RESUME_BACKGROUND: 3027 try { 3028 resumeWaitingOrHolding(); 3029 } catch (CallStateException e) { 3030 if (Phone.DEBUG_PHONE) { 3031 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 3032 } 3033 } 3034 break; 3035 case EVENT_DIAL_PENDINGMO: 3036 dialInternal(mPendingMO, mClirMode, mPendingCallVideoState, mPendingIntentExtras); 3037 mPendingIntentExtras = null; 3038 break; 3039 3040 case EVENT_EXIT_ECBM_BEFORE_PENDINGMO: 3041 if (mPendingMO != null) { 3042 //Send ECBM exit request 3043 try { 3044 getEcbmInterface().exitEmergencyCallbackMode(); 3045 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 3046 pendingCallClirMode = mClirMode; 3047 pendingCallInEcm = true; 3048 } catch (ImsException e) { 3049 e.printStackTrace(); 3050 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 3051 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 3052 } 3053 } 3054 break; 3055 3056 case EVENT_EXIT_ECM_RESPONSE_CDMA: 3057 // no matter the result, we still do the same here 3058 if (pendingCallInEcm) { 3059 dialInternal(mPendingMO, pendingCallClirMode, 3060 mPendingCallVideoState, mPendingIntentExtras); 3061 mPendingIntentExtras = null; 3062 pendingCallInEcm = false; 3063 } 3064 mPhone.unsetOnEcbModeExitResponse(this); 3065 break; 3066 case EVENT_VT_DATA_USAGE_UPDATE: 3067 ar = (AsyncResult) msg.obj; 3068 ImsCall call = (ImsCall) ar.userObj; 3069 Long usage = (long) ar.result; 3070 log("VT data usage update. usage = " + usage + ", imsCall = " + call); 3071 if (usage > 0) { 3072 updateVtDataUsage(call, usage); 3073 } 3074 break; 3075 case EVENT_DATA_ENABLED_CHANGED: 3076 ar = (AsyncResult) msg.obj; 3077 if (ar.result instanceof Pair) { 3078 Pair<Boolean, Integer> p = (Pair<Boolean, Integer>) ar.result; 3079 onDataEnabledChanged(p.first, p.second); 3080 } 3081 break; 3082 case EVENT_CHECK_FOR_WIFI_HANDOVER: 3083 if (msg.obj instanceof ImsCall) { 3084 ImsCall imsCall = (ImsCall) msg.obj; 3085 if (imsCall != mForegroundCall.getImsCall()) { 3086 Rlog.i(LOG_TAG, "handoverCheck: no longer FG; check skipped."); 3087 unregisterForConnectivityChanges(); 3088 // Handover check and its not the foreground call any more. 3089 return; 3090 } 3091 if (!imsCall.isWifiCall()) { 3092 // Call did not handover to wifi, notify of handover failure. 3093 ImsPhoneConnection conn = findConnection(imsCall); 3094 if (conn != null) { 3095 Rlog.i(LOG_TAG, "handoverCheck: handover failed."); 3096 conn.onHandoverToWifiFailed(); 3097 } 3098 3099 if (imsCall.isVideoCall() 3100 && conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 3101 registerForConnectivityChanges(); 3102 } 3103 } 3104 } 3105 break; 3106 case EVENT_ON_FEATURE_CAPABILITY_CHANGED: { 3107 SomeArgs args = (SomeArgs) msg.obj; 3108 try { 3109 ImsFeature.Capabilities capabilities = (ImsFeature.Capabilities) args.arg1; 3110 handleFeatureCapabilityChanged(capabilities); 3111 } finally { 3112 args.recycle(); 3113 } 3114 break; 3115 } 3116 case EVENT_SUPP_SERVICE_INDICATION: { 3117 ar = (AsyncResult) msg.obj; 3118 ImsPhoneMmiCode mmiCode = new ImsPhoneMmiCode(mPhone); 3119 try { 3120 mmiCode.setIsSsInfo(true); 3121 mmiCode.processImsSsData(ar); 3122 } catch (ImsException e) { 3123 Rlog.e(LOG_TAG, "Exception in parsing SS Data: " + e); 3124 } 3125 break; 3126 } 3127 } 3128 } 3129 3130 /** 3131 * Update video call data usage 3132 * 3133 * @param call The IMS call 3134 * @param dataUsage The aggregated data usage for the call 3135 */ 3136 private void updateVtDataUsage(ImsCall call, long dataUsage) { 3137 long oldUsage = 0L; 3138 if (mVtDataUsageMap.containsKey(call.uniqueId)) { 3139 oldUsage = mVtDataUsageMap.get(call.uniqueId); 3140 } 3141 3142 long delta = dataUsage - oldUsage; 3143 mVtDataUsageMap.put(call.uniqueId, dataUsage); 3144 3145 log("updateVtDataUsage: call=" + call + ", delta=" + delta); 3146 3147 long currentTime = SystemClock.elapsedRealtime(); 3148 int isRoaming = mPhone.getServiceState().getDataRoaming() ? 1 : 0; 3149 3150 // Create the snapshot of total video call data usage. 3151 NetworkStats vtDataUsageSnapshot = new NetworkStats(currentTime, 1); 3152 vtDataUsageSnapshot.combineAllValues(mVtDataUsageSnapshot); 3153 // Since the modem only reports the total vt data usage rather than rx/tx separately, 3154 // the only thing we can do here is splitting the usage into half rx and half tx. 3155 // Uid -1 indicates this is for the overall device data usage. 3156 vtDataUsageSnapshot.combineValues(new NetworkStats.Entry( 3157 NetworkStatsService.VT_INTERFACE, -1, NetworkStats.SET_FOREGROUND, 3158 NetworkStats.TAG_NONE, NetworkStats.METERED_YES, isRoaming, 3159 NetworkStats.DEFAULT_NETWORK_YES, delta / 2, 0, delta / 2, 0, 0)); 3160 mVtDataUsageSnapshot = vtDataUsageSnapshot; 3161 3162 // Create the snapshot of video call data usage per dialer. combineValues will create 3163 // a separate entry if uid is different from the previous snapshot. 3164 NetworkStats vtDataUsageUidSnapshot = new NetworkStats(currentTime, 1); 3165 vtDataUsageUidSnapshot.combineAllValues(mVtDataUsageUidSnapshot); 3166 3167 // The dialer uid might not be initialized correctly during boot up due to telecom service 3168 // not ready or its default dialer cache not ready. So we double check again here to see if 3169 // default dialer uid is really not available. 3170 if (mDefaultDialerUid.get() == NetworkStats.UID_ALL) { 3171 final TelecomManager telecomManager = 3172 (TelecomManager) mPhone.getContext().getSystemService(Context.TELECOM_SERVICE); 3173 mDefaultDialerUid.set( 3174 getPackageUid(mPhone.getContext(), telecomManager.getDefaultDialerPackage())); 3175 } 3176 3177 // Since the modem only reports the total vt data usage rather than rx/tx separately, 3178 // the only thing we can do here is splitting the usage into half rx and half tx. 3179 vtDataUsageUidSnapshot.combineValues(new NetworkStats.Entry( 3180 NetworkStatsService.VT_INTERFACE, mDefaultDialerUid.get(), 3181 NetworkStats.SET_FOREGROUND, NetworkStats.TAG_NONE, NetworkStats.METERED_YES, 3182 isRoaming, NetworkStats.DEFAULT_NETWORK_YES, delta / 2, 0, delta / 2, 0, 0)); 3183 mVtDataUsageUidSnapshot = vtDataUsageUidSnapshot; 3184 } 3185 3186 @Override 3187 protected void log(String msg) { 3188 Rlog.d(LOG_TAG, "[" + mPhone.getPhoneId() + "] " + msg); 3189 } 3190 3191 protected void loge(String msg) { 3192 Rlog.e(LOG_TAG, "[" + mPhone.getPhoneId() + "] " + msg); 3193 } 3194 3195 /** 3196 * Logs the current state of the ImsPhoneCallTracker. Useful for debugging issues with 3197 * call tracking. 3198 */ 3199 /* package */ 3200 void logState() { 3201 if (!VERBOSE_STATE_LOGGING) { 3202 return; 3203 } 3204 3205 StringBuilder sb = new StringBuilder(); 3206 sb.append("Current IMS PhoneCall State:\n"); 3207 sb.append(" Foreground: "); 3208 sb.append(mForegroundCall); 3209 sb.append("\n"); 3210 sb.append(" Background: "); 3211 sb.append(mBackgroundCall); 3212 sb.append("\n"); 3213 sb.append(" Ringing: "); 3214 sb.append(mRingingCall); 3215 sb.append("\n"); 3216 sb.append(" Handover: "); 3217 sb.append(mHandoverCall); 3218 sb.append("\n"); 3219 Rlog.v(LOG_TAG, sb.toString()); 3220 } 3221 3222 @Override 3223 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3224 pw.println("ImsPhoneCallTracker extends:"); 3225 super.dump(fd, pw, args); 3226 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 3227 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 3228 pw.println(" mRingingCall=" + mRingingCall); 3229 pw.println(" mForegroundCall=" + mForegroundCall); 3230 pw.println(" mBackgroundCall=" + mBackgroundCall); 3231 pw.println(" mHandoverCall=" + mHandoverCall); 3232 pw.println(" mPendingMO=" + mPendingMO); 3233 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 3234 pw.println(" mPhone=" + mPhone); 3235 pw.println(" mDesiredMute=" + mDesiredMute); 3236 pw.println(" mState=" + mState); 3237 pw.println(" mMmTelCapabilities=" + mMmTelCapabilities); 3238 pw.println(" mDefaultDialerUid=" + mDefaultDialerUid.get()); 3239 pw.println(" mVtDataUsageSnapshot=" + mVtDataUsageSnapshot); 3240 pw.println(" mVtDataUsageUidSnapshot=" + mVtDataUsageUidSnapshot); 3241 3242 pw.flush(); 3243 pw.println("++++++++++++++++++++++++++++++++"); 3244 3245 try { 3246 if (mImsManager != null) { 3247 mImsManager.dump(fd, pw, args); 3248 } 3249 } catch (Exception e) { 3250 e.printStackTrace(); 3251 } 3252 3253 if (mConnections != null && mConnections.size() > 0) { 3254 pw.println("mConnections:"); 3255 for (int i = 0; i < mConnections.size(); i++) { 3256 pw.println(" [" + i + "]: " + mConnections.get(i)); 3257 } 3258 } 3259 } 3260 3261 @Override 3262 protected void handlePollCalls(AsyncResult ar) { 3263 } 3264 3265 /* package */ 3266 ImsEcbm getEcbmInterface() throws ImsException { 3267 if (mImsManager == null) { 3268 throw getImsManagerIsNullException(); 3269 } 3270 3271 ImsEcbm ecbm = mImsManager.getEcbmInterface(); 3272 return ecbm; 3273 } 3274 3275 /* package */ 3276 ImsMultiEndpoint getMultiEndpointInterface() throws ImsException { 3277 if (mImsManager == null) { 3278 throw getImsManagerIsNullException(); 3279 } 3280 3281 try { 3282 return mImsManager.getMultiEndpointInterface(); 3283 } catch (ImsException e) { 3284 if (e.getCode() == ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED) { 3285 return null; 3286 } else { 3287 throw e; 3288 } 3289 3290 } 3291 } 3292 3293 public boolean isInEmergencyCall() { 3294 return mIsInEmergencyCall; 3295 } 3296 3297 public boolean isVolteEnabled() { 3298 boolean isRadioTechLte = getImsRegistrationTech() 3299 == ImsRegistrationImplBase.REGISTRATION_TECH_LTE; 3300 return isRadioTechLte && mMmTelCapabilities.isCapable( 3301 MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE); 3302 } 3303 3304 public boolean isVowifiEnabled() { 3305 boolean isRadioTechIwlan = getImsRegistrationTech() 3306 == ImsRegistrationImplBase.REGISTRATION_TECH_IWLAN; 3307 return isRadioTechIwlan && mMmTelCapabilities.isCapable( 3308 MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE); 3309 } 3310 3311 public boolean isVideoCallEnabled() { 3312 return mMmTelCapabilities.isCapable(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VIDEO); 3313 } 3314 3315 @Override 3316 public PhoneConstants.State getState() { 3317 return mState; 3318 } 3319 3320 public int getImsRegistrationTech() { 3321 if (mImsManager != null) { 3322 return mImsManager.getRegistrationTech(); 3323 } 3324 return ImsRegistrationImplBase.REGISTRATION_TECH_NONE; 3325 } 3326 3327 private void retryGetImsService() { 3328 // The binder connection is already up. Do not try to get it again. 3329 if (mImsManager.isServiceAvailable()) { 3330 return; 3331 } 3332 3333 mImsManagerConnector.connect(); 3334 } 3335 3336 private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) 3337 throws RemoteException { 3338 IImsVideoCallProvider imsVideoCallProvider = 3339 imsCall.getCallSession().getVideoCallProvider(); 3340 if (imsVideoCallProvider != null) { 3341 // TODO: Remove this when we can better formalize the format of session modify requests. 3342 boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean( 3343 com.android.internal.R.bool.config_useVideoPauseWorkaround); 3344 3345 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 3346 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 3347 if (useVideoPauseWorkaround) { 3348 imsVideoCallProviderWrapper.setUseVideoPauseWorkaround(useVideoPauseWorkaround); 3349 } 3350 conn.setVideoProvider(imsVideoCallProviderWrapper); 3351 imsVideoCallProviderWrapper.registerForDataUsageUpdate 3352 (this, EVENT_VT_DATA_USAGE_UPDATE, imsCall); 3353 imsVideoCallProviderWrapper.addImsVideoProviderCallback(conn); 3354 } 3355 } 3356 3357 public boolean isUtEnabled() { 3358 return mMmTelCapabilities.isCapable(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_UT); 3359 } 3360 3361 /** 3362 * Given a call subject, removes any characters considered by the current carrier to be 3363 * invalid, as well as escaping (using \) any characters which the carrier requires to be 3364 * escaped. 3365 * 3366 * @param callSubject The call subject. 3367 * @return The call subject with invalid characters removed and escaping applied as required. 3368 */ 3369 private String cleanseInstantLetteringMessage(String callSubject) { 3370 if (TextUtils.isEmpty(callSubject)) { 3371 return callSubject; 3372 } 3373 3374 // Get the carrier config for the current sub. 3375 CarrierConfigManager configMgr = (CarrierConfigManager) 3376 mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 3377 // Bail if we can't find the carrier config service. 3378 if (configMgr == null) { 3379 return callSubject; 3380 } 3381 3382 PersistableBundle carrierConfig = configMgr.getConfigForSubId(mPhone.getSubId()); 3383 // Bail if no carrier config found. 3384 if (carrierConfig == null) { 3385 return callSubject; 3386 } 3387 3388 // Try to replace invalid characters 3389 String invalidCharacters = carrierConfig.getString( 3390 CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING); 3391 if (!TextUtils.isEmpty(invalidCharacters)) { 3392 callSubject = callSubject.replaceAll(invalidCharacters, ""); 3393 } 3394 3395 // Try to escape characters which need to be escaped. 3396 String escapedCharacters = carrierConfig.getString( 3397 CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING); 3398 if (!TextUtils.isEmpty(escapedCharacters)) { 3399 callSubject = escapeChars(escapedCharacters, callSubject); 3400 } 3401 return callSubject; 3402 } 3403 3404 /** 3405 * Given a source string, return a string where a set of characters are escaped using the 3406 * backslash character. 3407 * 3408 * @param toEscape The characters to escape with a backslash. 3409 * @param source The source string. 3410 * @return The source string with characters escaped. 3411 */ 3412 private String escapeChars(String toEscape, String source) { 3413 StringBuilder escaped = new StringBuilder(); 3414 for (char c : source.toCharArray()) { 3415 if (toEscape.contains(Character.toString(c))) { 3416 escaped.append("\\"); 3417 } 3418 escaped.append(c); 3419 } 3420 3421 return escaped.toString(); 3422 } 3423 3424 /** 3425 * Initiates a pull of an external call. 3426 * 3427 * Initiates a pull by making a dial request with the {@link ImsCallProfile#EXTRA_IS_CALL_PULL} 3428 * extra specified. We call {@link ImsPhone#notifyUnknownConnection(Connection)} which notifies 3429 * Telecom of the new dialed connection. The 3430 * {@code PstnIncomingCallNotifier#maybeSwapWithUnknownConnection} logic ensures that the new 3431 * {@link ImsPhoneConnection} resulting from the dial gets swapped with the 3432 * {@link ImsExternalConnection}, which effectively makes the external call become a regular 3433 * call. Magic! 3434 * 3435 * @param number The phone number of the call to be pulled. 3436 * @param videoState The desired video state of the pulled call. 3437 * @param dialogId The {@link ImsExternalConnection#getCallId()} dialog id associated with the 3438 * call which is being pulled. 3439 */ 3440 @Override 3441 public void pullExternalCall(String number, int videoState, int dialogId) { 3442 Bundle extras = new Bundle(); 3443 extras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, true); 3444 extras.putInt(ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID, dialogId); 3445 try { 3446 Connection connection = dial(number, videoState, extras); 3447 mPhone.notifyUnknownConnection(connection); 3448 } catch (CallStateException e) { 3449 loge("pullExternalCall failed - " + e); 3450 } 3451 } 3452 3453 private ImsException getImsManagerIsNullException() { 3454 return new ImsException("no ims manager", ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 3455 } 3456 3457 /** 3458 * Determines if answering an incoming call will cause the active call to be disconnected. 3459 * <p> 3460 * This will be the case if 3461 * {@link CarrierConfigManager#KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL} is 3462 * {@code true} for the carrier, the active call is a video call over WIFI, and the incoming 3463 * call is an audio call. 3464 * 3465 * @param activeCall The active call. 3466 * @param incomingCall The incoming call. 3467 * @return {@code true} if answering the incoming call will cause the active call to be 3468 * disconnected, {@code false} otherwise. 3469 */ 3470 private boolean shouldDisconnectActiveCallOnAnswer(ImsCall activeCall, 3471 ImsCall incomingCall) { 3472 3473 if (activeCall == null || incomingCall == null) { 3474 return false; 3475 } 3476 3477 if (!mDropVideoCallWhenAnsweringAudioCall) { 3478 return false; 3479 } 3480 3481 boolean isActiveCallVideo = activeCall.isVideoCall() || 3482 (mTreatDowngradedVideoCallsAsVideoCalls && activeCall.wasVideoCall()); 3483 boolean isActiveCallOnWifi = activeCall.isWifiCall(); 3484 boolean isVoWifiEnabled = mImsManager.isWfcEnabledByPlatform() 3485 && mImsManager.isWfcEnabledByUser(); 3486 boolean isIncomingCallAudio = !incomingCall.isVideoCall(); 3487 log("shouldDisconnectActiveCallOnAnswer : isActiveCallVideo=" + isActiveCallVideo + 3488 " isActiveCallOnWifi=" + isActiveCallOnWifi + " isIncomingCallAudio=" + 3489 isIncomingCallAudio + " isVowifiEnabled=" + isVoWifiEnabled); 3490 3491 return isActiveCallVideo && isActiveCallOnWifi && isIncomingCallAudio && !isVoWifiEnabled; 3492 } 3493 3494 /** 3495 * Get aggregated video call data usage since boot. 3496 * 3497 * @param perUidStats True if requesting data usage per uid, otherwise overall usage. 3498 * @return Snapshot of video call data usage 3499 */ 3500 public NetworkStats getVtDataUsage(boolean perUidStats) { 3501 3502 // If there is an ongoing VT call, request the latest VT usage from the modem. The latest 3503 // usage will return asynchronously so it won't be counted in this round, but it will be 3504 // eventually counted when next getVtDataUsage is called. 3505 if (mState != PhoneConstants.State.IDLE) { 3506 for (ImsPhoneConnection conn : mConnections) { 3507 android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider(); 3508 if (videoProvider != null) { 3509 videoProvider.onRequestConnectionDataUsage(); 3510 } 3511 } 3512 } 3513 3514 return perUidStats ? mVtDataUsageUidSnapshot : mVtDataUsageSnapshot; 3515 } 3516 3517 public void registerPhoneStateListener(PhoneStateListener listener) { 3518 mPhoneStateListeners.add(listener); 3519 } 3520 3521 public void unregisterPhoneStateListener(PhoneStateListener listener) { 3522 mPhoneStateListeners.remove(listener); 3523 } 3524 3525 /** 3526 * Notifies local telephony listeners of changes to the IMS phone state. 3527 * 3528 * @param oldState The old state. 3529 * @param newState The new state. 3530 */ 3531 private void notifyPhoneStateChanged(PhoneConstants.State oldState, 3532 PhoneConstants.State newState) { 3533 3534 for (PhoneStateListener listener : mPhoneStateListeners) { 3535 listener.onPhoneStateChanged(oldState, newState); 3536 } 3537 } 3538 3539 /** Modify video call to a new video state. 3540 * 3541 * @param imsCall IMS call to be modified 3542 * @param newVideoState New video state. (Refer to VideoProfile) 3543 */ 3544 private void modifyVideoCall(ImsCall imsCall, int newVideoState) { 3545 ImsPhoneConnection conn = findConnection(imsCall); 3546 if (conn != null) { 3547 int oldVideoState = conn.getVideoState(); 3548 if (conn.getVideoProvider() != null) { 3549 conn.getVideoProvider().onSendSessionModifyRequest( 3550 new VideoProfile(oldVideoState), new VideoProfile(newVideoState)); 3551 } 3552 } 3553 } 3554 3555 /** 3556 * Handler of data enabled changed event 3557 * @param enabled True if data is enabled, otherwise disabled. 3558 * @param reason Reason for data enabled/disabled (see {@code REASON_*} in 3559 * {@link DataEnabledSettings}. 3560 */ 3561 private void onDataEnabledChanged(boolean enabled, int reason) { 3562 3563 log("onDataEnabledChanged: enabled=" + enabled + ", reason=" + reason); 3564 3565 mIsDataEnabled = enabled; 3566 3567 if (!mIsViLteDataMetered) { 3568 log("Ignore data " + ((enabled) ? "enabled" : "disabled") + " - carrier policy " 3569 + "indicates that data is not metered for ViLTE calls."); 3570 return; 3571 } 3572 3573 // Inform connections that data has been disabled to ensure we turn off video capability 3574 // if this is an LTE call. 3575 for (ImsPhoneConnection conn : mConnections) { 3576 conn.handleDataEnabledChange(enabled); 3577 } 3578 3579 int reasonCode; 3580 if (reason == DataEnabledSettings.REASON_POLICY_DATA_ENABLED) { 3581 reasonCode = ImsReasonInfo.CODE_DATA_LIMIT_REACHED; 3582 } else if (reason == DataEnabledSettings.REASON_USER_DATA_ENABLED) { 3583 reasonCode = ImsReasonInfo.CODE_DATA_DISABLED; 3584 } else { 3585 // Unexpected code, default to data disabled. 3586 reasonCode = ImsReasonInfo.CODE_DATA_DISABLED; 3587 } 3588 3589 // Potentially send connection events so the InCall UI knows that video calls are being 3590 // downgraded due to data being enabled/disabled. 3591 maybeNotifyDataDisabled(enabled, reasonCode); 3592 // Handle video state changes required as a result of data being enabled/disabled. 3593 handleDataEnabledChange(enabled, reasonCode); 3594 3595 // We do not want to update the ImsConfig for REASON_REGISTERED, since it can happen before 3596 // the carrier config has loaded and will deregister IMS. 3597 if (!mShouldUpdateImsConfigOnDisconnect 3598 && reason != DataEnabledSettings.REASON_REGISTERED && mCarrierConfigLoaded) { 3599 // This will call into updateVideoCallFeatureValue and eventually all clients will be 3600 // asynchronously notified that the availability of VT over LTE has changed. 3601 if (mImsManager != null) { 3602 mImsManager.updateImsServiceConfig(true); 3603 } 3604 } 3605 } 3606 3607 private void maybeNotifyDataDisabled(boolean enabled, int reasonCode) { 3608 if (!enabled) { 3609 // If data is disabled while there are ongoing VT calls which are not taking place over 3610 // wifi, then they should be disconnected to prevent the user from incurring further 3611 // data charges. 3612 for (ImsPhoneConnection conn : mConnections) { 3613 ImsCall imsCall = conn.getImsCall(); 3614 if (imsCall != null && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 3615 if (conn.hasCapabilities( 3616 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_LOCAL | 3617 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_REMOTE)) { 3618 3619 // If the carrier supports downgrading to voice, then we can simply issue a 3620 // downgrade to voice instead of terminating the call. 3621 if (reasonCode == ImsReasonInfo.CODE_DATA_DISABLED) { 3622 conn.onConnectionEvent(TelephonyManager.EVENT_DOWNGRADE_DATA_DISABLED, 3623 null); 3624 } else if (reasonCode == ImsReasonInfo.CODE_DATA_LIMIT_REACHED) { 3625 conn.onConnectionEvent( 3626 TelephonyManager.EVENT_DOWNGRADE_DATA_LIMIT_REACHED, null); 3627 } 3628 } 3629 } 3630 } 3631 } 3632 } 3633 3634 /** 3635 * Handles changes to the enabled state of mobile data. 3636 * When data is disabled, handles auto-downgrade of video calls over LTE. 3637 * When data is enabled, handled resuming of video calls paused when data was disabled. 3638 * @param enabled {@code true} if mobile data is enabled, {@code false} if mobile data is 3639 * disabled. 3640 * @param reasonCode The {@link ImsReasonInfo} code for the data enabled state change. 3641 */ 3642 private void handleDataEnabledChange(boolean enabled, int reasonCode) { 3643 if (!enabled) { 3644 // If data is disabled while there are ongoing VT calls which are not taking place over 3645 // wifi, then they should be disconnected to prevent the user from incurring further 3646 // data charges. 3647 for (ImsPhoneConnection conn : mConnections) { 3648 ImsCall imsCall = conn.getImsCall(); 3649 if (imsCall != null && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 3650 log("handleDataEnabledChange - downgrading " + conn); 3651 downgradeVideoCall(reasonCode, conn); 3652 } 3653 } 3654 } else if (mSupportPauseVideo) { 3655 // Data was re-enabled, so un-pause previously paused video calls. 3656 for (ImsPhoneConnection conn : mConnections) { 3657 // If video is paused, check to see if there are any pending pauses due to enabled 3658 // state of data changing. 3659 log("handleDataEnabledChange - resuming " + conn); 3660 if (VideoProfile.isPaused(conn.getVideoState()) && 3661 conn.wasVideoPausedFromSource(VideoPauseTracker.SOURCE_DATA_ENABLED)) { 3662 // The data enabled state was a cause of a pending pause, so potentially 3663 // resume the video now. 3664 conn.resumeVideo(VideoPauseTracker.SOURCE_DATA_ENABLED); 3665 } 3666 } 3667 mShouldUpdateImsConfigOnDisconnect = false; 3668 } 3669 } 3670 3671 /** 3672 * Handles downgrading a video call. The behavior depends on carrier capabilities; we will 3673 * attempt to take one of the following actions (in order of precedence): 3674 * 1. If supported by the carrier, the call will be downgraded to an audio-only call. 3675 * 2. If the carrier supports video pause signalling, the video will be paused. 3676 * 3. The call will be disconnected. 3677 * @param reasonCode The {@link ImsReasonInfo} reason code for the downgrade. 3678 * @param conn The {@link ImsPhoneConnection} to downgrade. 3679 */ 3680 private void downgradeVideoCall(int reasonCode, ImsPhoneConnection conn) { 3681 ImsCall imsCall = conn.getImsCall(); 3682 if (imsCall != null) { 3683 if (conn.hasCapabilities( 3684 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_LOCAL | 3685 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_REMOTE)) { 3686 3687 // If the carrier supports downgrading to voice, then we can simply issue a 3688 // downgrade to voice instead of terminating the call. 3689 modifyVideoCall(imsCall, VideoProfile.STATE_AUDIO_ONLY); 3690 } else if (mSupportPauseVideo && reasonCode != ImsReasonInfo.CODE_WIFI_LOST) { 3691 // The carrier supports video pause signalling, so pause the video if we didn't just 3692 // lose wifi; in that case just disconnect. 3693 mShouldUpdateImsConfigOnDisconnect = true; 3694 conn.pauseVideo(VideoPauseTracker.SOURCE_DATA_ENABLED); 3695 } else { 3696 // At this point the only choice we have is to terminate the call. 3697 try { 3698 imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED, reasonCode); 3699 } catch (ImsException ie) { 3700 loge("Couldn't terminate call " + imsCall); 3701 } 3702 } 3703 } 3704 } 3705 3706 private void resetImsCapabilities() { 3707 log("Resetting Capabilities..."); 3708 mMmTelCapabilities = new MmTelFeature.MmTelCapabilities(); 3709 } 3710 3711 /** 3712 * @return {@code true} if the device is connected to a WIFI network, {@code false} otherwise. 3713 */ 3714 private boolean isWifiConnected() { 3715 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 3716 .getSystemService(Context.CONNECTIVITY_SERVICE); 3717 if (cm != null) { 3718 NetworkInfo ni = cm.getActiveNetworkInfo(); 3719 if (ni != null && ni.isConnected()) { 3720 return ni.getType() == ConnectivityManager.TYPE_WIFI; 3721 } 3722 } 3723 return false; 3724 } 3725 3726 /** 3727 * Registers for changes to network connectivity. Specifically requests the availability of new 3728 * WIFI networks which an IMS video call could potentially hand over to. 3729 */ 3730 private void registerForConnectivityChanges() { 3731 if (mIsMonitoringConnectivity || !mNotifyVtHandoverToWifiFail) { 3732 return; 3733 } 3734 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 3735 .getSystemService(Context.CONNECTIVITY_SERVICE); 3736 if (cm != null) { 3737 Rlog.i(LOG_TAG, "registerForConnectivityChanges"); 3738 NetworkCapabilities capabilities = new NetworkCapabilities(); 3739 capabilities.addTransportType(NetworkCapabilities.TRANSPORT_WIFI); 3740 NetworkRequest.Builder builder = new NetworkRequest.Builder(); 3741 builder.setCapabilities(capabilities); 3742 cm.registerNetworkCallback(builder.build(), mNetworkCallback); 3743 mIsMonitoringConnectivity = true; 3744 } 3745 } 3746 3747 /** 3748 * Unregister for connectivity changes. Will be called when a call disconnects or if the call 3749 * ends up handing over to WIFI. 3750 */ 3751 private void unregisterForConnectivityChanges() { 3752 if (!mIsMonitoringConnectivity || !mNotifyVtHandoverToWifiFail) { 3753 return; 3754 } 3755 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 3756 .getSystemService(Context.CONNECTIVITY_SERVICE); 3757 if (cm != null) { 3758 Rlog.i(LOG_TAG, "unregisterForConnectivityChanges"); 3759 cm.unregisterNetworkCallback(mNetworkCallback); 3760 mIsMonitoringConnectivity = false; 3761 } 3762 } 3763 3764 /** 3765 * If the foreground call is a video call, schedule a handover check if one is not already 3766 * scheduled. This method is intended ONLY for use when scheduling to watch for mid-call 3767 * handovers. 3768 */ 3769 private void scheduleHandoverCheck() { 3770 ImsCall fgCall = mForegroundCall.getImsCall(); 3771 ImsPhoneConnection conn = mForegroundCall.getFirstConnection(); 3772 if (!mNotifyVtHandoverToWifiFail || fgCall == null || !fgCall.isVideoCall() || conn == null 3773 || conn.getDisconnectCause() != DisconnectCause.NOT_DISCONNECTED) { 3774 return; 3775 } 3776 3777 if (!hasMessages(EVENT_CHECK_FOR_WIFI_HANDOVER)) { 3778 Rlog.i(LOG_TAG, "scheduleHandoverCheck: schedule"); 3779 sendMessageDelayed(obtainMessage(EVENT_CHECK_FOR_WIFI_HANDOVER, fgCall), 3780 HANDOVER_TO_WIFI_TIMEOUT_MS); 3781 } 3782 } 3783 3784 /** 3785 * @return {@code true} if downgrading of a video call to audio is supported. 3786 */ 3787 public boolean isCarrierDowngradeOfVtCallSupported() { 3788 return mSupportDowngradeVtToAudio; 3789 } 3790 3791 @VisibleForTesting 3792 public void setDataEnabled(boolean isDataEnabled) { 3793 mIsDataEnabled = isDataEnabled; 3794 } 3795 3796 private void handleFeatureCapabilityChanged(ImsFeature.Capabilities capabilities) { 3797 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 3798 // Check enabledFeatures to determine capabilities. We ignore disabledFeatures. 3799 StringBuilder sb; 3800 if (DBG) { 3801 sb = new StringBuilder(120); 3802 sb.append("handleFeatureCapabilityChanged: "); 3803 } 3804 sb.append(capabilities); 3805 mMmTelCapabilities = new MmTelFeature.MmTelCapabilities(capabilities); 3806 3807 boolean isVideoEnabled = isVideoCallEnabled(); 3808 boolean isVideoEnabledStatechanged = tmpIsVideoCallEnabled != isVideoEnabled; 3809 if (DBG) { 3810 sb.append(" isVideoEnabledStateChanged="); 3811 sb.append(isVideoEnabledStatechanged); 3812 } 3813 3814 if (isVideoEnabledStatechanged) { 3815 log("handleFeatureCapabilityChanged - notifyForVideoCapabilityChanged=" 3816 + isVideoEnabled); 3817 mPhone.notifyForVideoCapabilityChanged(isVideoEnabled); 3818 } 3819 3820 if (DBG) log(sb.toString()); 3821 3822 if (DBG) { 3823 log("handleFeatureCapabilityChanged: isVolteEnabled=" + isVolteEnabled() 3824 + ", isVideoCallEnabled=" + isVideoCallEnabled() 3825 + ", isVowifiEnabled=" + isVowifiEnabled() 3826 + ", isUtEnabled=" + isUtEnabled()); 3827 } 3828 3829 mPhone.onFeatureCapabilityChanged(); 3830 3831 mMetrics.writeOnImsCapabilities(mPhone.getPhoneId(), getImsRegistrationTech(), 3832 mMmTelCapabilities); 3833 } 3834 3835 @VisibleForTesting 3836 public void onCallHoldReceived(ImsCall imsCall) { 3837 if (DBG) log("onCallHoldReceived"); 3838 3839 ImsPhoneConnection conn = findConnection(imsCall); 3840 if (conn != null) { 3841 if (!mOnHoldToneStarted && (ImsPhoneCall.isLocalTone(imsCall) 3842 || mAlwaysPlayRemoteHoldTone) && 3843 conn.getState() == ImsPhoneCall.State.ACTIVE) { 3844 mPhone.startOnHoldTone(conn); 3845 mOnHoldToneStarted = true; 3846 mOnHoldToneId = System.identityHashCode(conn); 3847 } 3848 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_HELD, null); 3849 3850 boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean( 3851 com.android.internal.R.bool.config_useVideoPauseWorkaround); 3852 if (useVideoPauseWorkaround && mSupportPauseVideo && 3853 VideoProfile.isVideo(conn.getVideoState())) { 3854 // If we are using the video pause workaround, the vendor IMS code has issues 3855 // with video pause signalling. In this case, when a call is remotely 3856 // held, the modem does not reliably change the video state of the call to be 3857 // paused. 3858 // As a workaround, we will turn on that bit now. 3859 conn.changeToPausedState(); 3860 } 3861 } 3862 3863 SuppServiceNotification supp = new SuppServiceNotification(); 3864 supp.notificationType = SuppServiceNotification.NOTIFICATION_TYPE_CODE_2; 3865 supp.code = SuppServiceNotification.CODE_2_CALL_ON_HOLD; 3866 mPhone.notifySuppSvcNotification(supp); 3867 mMetrics.writeOnImsCallHoldReceived(mPhone.getPhoneId(), imsCall.getCallSession()); 3868 } 3869 3870 @VisibleForTesting 3871 public void setAlwaysPlayRemoteHoldTone(boolean shouldPlayRemoteHoldTone) { 3872 mAlwaysPlayRemoteHoldTone = shouldPlayRemoteHoldTone; 3873 } 3874 } 3875
