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.annotations.VisibleForTesting.Visibility.PRIVATE; 20 import static com.android.internal.telephony.Phone.CS_FALLBACK; 21 22 import android.annotation.NonNull; 23 import android.app.usage.NetworkStatsManager; 24 import android.compat.annotation.UnsupportedAppUsage; 25 import android.content.BroadcastReceiver; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.IntentFilter; 29 import android.content.SharedPreferences; 30 import android.content.pm.PackageManager; 31 import android.net.ConnectivityManager; 32 import android.net.Network; 33 import android.net.NetworkCapabilities; 34 import android.net.NetworkInfo; 35 import android.net.NetworkRequest; 36 import android.net.NetworkStats; 37 import android.net.netstats.provider.NetworkStatsProvider; 38 import android.os.AsyncResult; 39 import android.os.Bundle; 40 import android.os.Handler; 41 import android.os.Message; 42 import android.os.PersistableBundle; 43 import android.os.Registrant; 44 import android.os.RegistrantList; 45 import android.os.RemoteException; 46 import android.os.SystemClock; 47 import android.preference.PreferenceManager; 48 import android.provider.Settings; 49 import android.sysprop.TelephonyProperties; 50 import android.telecom.Connection.VideoProvider; 51 import android.telecom.TelecomManager; 52 import android.telecom.VideoProfile; 53 import android.telephony.CallQuality; 54 import android.telephony.CarrierConfigManager; 55 import android.telephony.DisconnectCause; 56 import android.telephony.PhoneNumberUtils; 57 import android.telephony.ServiceState; 58 import android.telephony.SubscriptionInfo; 59 import android.telephony.SubscriptionManager; 60 import android.telephony.TelephonyManager; 61 import android.telephony.emergency.EmergencyNumber; 62 import android.telephony.ims.ImsCallProfile; 63 import android.telephony.ims.ImsConferenceState; 64 import android.telephony.ims.ImsMmTelManager; 65 import android.telephony.ims.ImsReasonInfo; 66 import android.telephony.ims.ImsStreamMediaProfile; 67 import android.telephony.ims.ImsSuppServiceNotification; 68 import android.telephony.ims.ProvisioningManager; 69 import android.telephony.ims.feature.ImsFeature; 70 import android.telephony.ims.feature.MmTelFeature; 71 import android.telephony.ims.stub.ImsRegistrationImplBase; 72 import android.text.TextUtils; 73 import android.util.ArrayMap; 74 import android.util.LocalLog; 75 import android.util.Log; 76 import android.util.Pair; 77 import android.util.SparseIntArray; 78 79 import com.android.ims.FeatureConnector; 80 import com.android.ims.ImsCall; 81 import com.android.ims.ImsConfig; 82 import com.android.ims.ImsConfigListener; 83 import com.android.ims.ImsEcbm; 84 import com.android.ims.ImsException; 85 import com.android.ims.ImsManager; 86 import com.android.ims.ImsMultiEndpoint; 87 import com.android.ims.ImsUtInterface; 88 import com.android.ims.internal.ConferenceParticipant; 89 import com.android.ims.internal.IImsCallSession; 90 import com.android.ims.internal.IImsVideoCallProvider; 91 import com.android.ims.internal.ImsVideoCallProviderWrapper; 92 import com.android.ims.internal.VideoPauseTracker; 93 import com.android.internal.annotations.VisibleForTesting; 94 import com.android.internal.os.SomeArgs; 95 import com.android.internal.telephony.Call; 96 import com.android.internal.telephony.CallFailCause; 97 import com.android.internal.telephony.CallStateException; 98 import com.android.internal.telephony.CallTracker; 99 import com.android.internal.telephony.CommandException; 100 import com.android.internal.telephony.CommandsInterface; 101 import com.android.internal.telephony.Connection; 102 import com.android.internal.telephony.LocaleTracker; 103 import com.android.internal.telephony.Phone; 104 import com.android.internal.telephony.PhoneConstants; 105 import com.android.internal.telephony.ServiceStateTracker; 106 import com.android.internal.telephony.SubscriptionController; 107 import com.android.internal.telephony.dataconnection.DataEnabledSettings; 108 import com.android.internal.telephony.dataconnection.DataEnabledSettings.DataEnabledChangedReason; 109 import com.android.internal.telephony.emergency.EmergencyNumberTracker; 110 import com.android.internal.telephony.gsm.SuppServiceNotification; 111 import com.android.internal.telephony.imsphone.ImsPhone.ImsDialArgs; 112 import com.android.internal.telephony.metrics.CallQualityMetrics; 113 import com.android.internal.telephony.metrics.TelephonyMetrics; 114 import com.android.internal.telephony.nano.TelephonyProto.TelephonyCallSession; 115 import com.android.internal.telephony.nano.TelephonyProto.TelephonyCallSession.Event.ImsCommand; 116 import com.android.internal.util.IndentingPrintWriter; 117 import com.android.telephony.Rlog; 118 119 import java.io.FileDescriptor; 120 import java.io.PrintWriter; 121 import java.util.ArrayList; 122 import java.util.HashMap; 123 import java.util.List; 124 import java.util.Map; 125 import java.util.Queue; 126 import java.util.concurrent.ConcurrentHashMap; 127 import java.util.concurrent.ConcurrentLinkedQueue; 128 import java.util.concurrent.Executor; 129 import java.util.concurrent.LinkedBlockingQueue; 130 import java.util.concurrent.atomic.AtomicInteger; 131 import java.util.function.Consumer; 132 import java.util.regex.Pattern; 133 134 /** 135 * {@hide} 136 */ 137 public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 138 static final String LOG_TAG = "ImsPhoneCallTracker"; 139 static final String VERBOSE_STATE_TAG = "IPCTState"; 140 141 public interface PhoneStateListener { onPhoneStateChanged(PhoneConstants.State oldState, PhoneConstants.State newState)142 void onPhoneStateChanged(PhoneConstants.State oldState, PhoneConstants.State newState); 143 } 144 145 public interface SharedPreferenceProxy { getDefaultSharedPreferences(Context context)146 SharedPreferences getDefaultSharedPreferences(Context context); 147 } 148 149 public interface PhoneNumberUtilsProxy { isEmergencyNumber(String number)150 boolean isEmergencyNumber(String number); 151 } 152 153 private static final boolean DBG = true; 154 155 // When true, dumps the state of ImsPhoneCallTracker after changes to foreground and background 156 // calls. This is helpful for debugging. It is also possible to enable this at runtime by 157 // setting the IPCTState log tag to VERBOSE. 158 private static final boolean FORCE_VERBOSE_STATE_LOGGING = false; /* stopship if true */ 159 private static final boolean VERBOSE_STATE_LOGGING = FORCE_VERBOSE_STATE_LOGGING || 160 Rlog.isLoggable(VERBOSE_STATE_TAG, Log.VERBOSE); 161 162 private MmTelFeature.MmTelCapabilities mMmTelCapabilities = 163 new MmTelFeature.MmTelCapabilities(); 164 165 private TelephonyMetrics mMetrics; 166 private final Map<String, CallQualityMetrics> mCallQualityMetrics = new ConcurrentHashMap<>(); 167 private final ConcurrentLinkedQueue<CallQualityMetrics> mCallQualityMetricsHistory = 168 new ConcurrentLinkedQueue<>(); 169 private boolean mCarrierConfigLoaded = false; 170 171 private final MmTelFeatureListener mMmTelFeatureListener = new MmTelFeatureListener(); 172 private class MmTelFeatureListener extends MmTelFeature.Listener { 173 @Override onIncomingCall(IImsCallSession c, Bundle extras)174 public void onIncomingCall(IImsCallSession c, Bundle extras) { 175 if (DBG) log("onReceive : incoming call intent"); 176 mOperationLocalLog.log("onIncomingCall Received"); 177 178 if (extras == null) extras = new Bundle(); 179 if (mImsManager == null) return; 180 181 try { 182 // Network initiated USSD will be treated by mImsUssdListener 183 boolean isUssd = extras.getBoolean(MmTelFeature.EXTRA_IS_USSD, false); 184 // For compatibility purposes with older vendor implmentations. 185 isUssd |= extras.getBoolean(ImsManager.EXTRA_USSD, false); 186 if (isUssd) { 187 if (DBG) log("onReceive : USSD"); 188 mUssdSession = mImsManager.takeCall(c, mImsUssdListener); 189 if (mUssdSession != null) { 190 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 191 } 192 return; 193 } 194 195 boolean isUnknown = extras.getBoolean(MmTelFeature.EXTRA_IS_UNKNOWN_CALL, false); 196 // For compatibility purposes with older vendor implmentations. 197 isUnknown |= extras.getBoolean(ImsManager.EXTRA_IS_UNKNOWN_CALL, false); 198 if (DBG) { 199 log("onReceive : isUnknown = " + isUnknown 200 + " fg = " + mForegroundCall.getState() 201 + " bg = " + mBackgroundCall.getState()); 202 } 203 204 // Normal MT/Unknown call 205 ImsCall imsCall = mImsManager.takeCall(c, mImsCallListener); 206 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone, imsCall, 207 ImsPhoneCallTracker.this, 208 (isUnknown ? mForegroundCall : mRingingCall), isUnknown); 209 210 // If there is an active call. 211 if (mForegroundCall.hasConnections()) { 212 ImsCall activeCall = mForegroundCall.getFirstConnection().getImsCall(); 213 if (activeCall != null && imsCall != null) { 214 // activeCall could be null if the foreground call is in a disconnected 215 // state. If either of the calls is null there is no need to check if 216 // one will be disconnected on answer. 217 boolean answeringWillDisconnect = 218 shouldDisconnectActiveCallOnAnswer(activeCall, imsCall); 219 conn.setActiveCallDisconnectedOnAnswer(answeringWillDisconnect); 220 } 221 } 222 conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall); 223 conn.setAllowHoldingVideoCall(mAllowHoldingVideoCall); 224 225 if ((c != null) && (c.getCallProfile() != null) 226 && (c.getCallProfile().getCallExtras() != null) 227 && (c.getCallProfile().getCallExtras() 228 .containsKey(ImsCallProfile.EXTRA_CALL_DISCONNECT_CAUSE))) { 229 String error = c.getCallProfile() 230 .getCallExtra(ImsCallProfile.EXTRA_CALL_DISCONNECT_CAUSE, null); 231 if (error != null) { 232 try { 233 int cause = getDisconnectCauseFromReasonInfo( 234 new ImsReasonInfo(Integer.parseInt(error), 0, null), 235 conn.getState()); 236 if (cause == DisconnectCause.INCOMING_AUTO_REJECTED) { 237 conn.setDisconnectCause(cause); 238 if (DBG) log("onIncomingCall : incoming call auto rejected"); 239 } 240 } catch (NumberFormatException e) { 241 Rlog.e(LOG_TAG, "Exception in parsing Integer Data: " + e); 242 } 243 } 244 } 245 246 addConnection(conn); 247 248 setVideoCallProvider(conn, imsCall); 249 250 TelephonyMetrics.getInstance().writeOnImsCallReceive(mPhone.getPhoneId(), 251 imsCall.getSession()); 252 mPhone.getVoiceCallSessionStats().onImsCallReceived(conn); 253 254 if (isUnknown) { 255 mPhone.notifyUnknownConnection(conn); 256 } else { 257 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) 258 || (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 259 conn.update(imsCall, ImsPhoneCall.State.WAITING); 260 } 261 262 mPhone.notifyNewRingingConnection(conn); 263 mPhone.notifyIncomingRing(); 264 } 265 266 updatePhoneState(); 267 mPhone.notifyPreciseCallStateChanged(); 268 } catch (ImsException e) { 269 loge("onReceive : exception " + e); 270 } catch (RemoteException e) { 271 } 272 } 273 274 @Override onVoiceMessageCountUpdate(int count)275 public void onVoiceMessageCountUpdate(int count) { 276 if (mPhone != null && mPhone.mDefaultPhone != null) { 277 if (DBG) log("onVoiceMessageCountChanged :: count=" + count); 278 mPhone.mDefaultPhone.setVoiceMessageCount(count); 279 } else { 280 loge("onVoiceMessageCountUpdate: null phone"); 281 } 282 } 283 } 284 285 /** 286 * A class implementing {@link NetworkStatsProvider} to report VT data usage to system. 287 */ 288 // TODO: Directly reports diff in updateVtDataUsage. 289 @VisibleForTesting(visibility = PRIVATE) 290 public class VtDataUsageProvider extends NetworkStatsProvider { 291 private int mToken = 0; 292 private NetworkStats mIfaceSnapshot = new NetworkStats(0L, 0); 293 private NetworkStats mUidSnapshot = new NetworkStats(0L, 0); 294 @Override onRequestStatsUpdate(int token)295 public void onRequestStatsUpdate(int token) { 296 // If there is an ongoing VT call, request the latest VT usage from the modem. The 297 // latest usage will return asynchronously so it won't be counted in this round, but it 298 // will be eventually counted when next requestStatsUpdate is called. 299 if (mState != PhoneConstants.State.IDLE) { 300 for (ImsPhoneConnection conn : mConnections) { 301 final VideoProvider videoProvider = conn.getVideoProvider(); 302 if (videoProvider != null) { 303 videoProvider.onRequestConnectionDataUsage(); 304 } 305 } 306 } 307 308 final NetworkStats ifaceDiff = mVtDataUsageSnapshot.subtract(mIfaceSnapshot); 309 final NetworkStats uidDiff = mVtDataUsageUidSnapshot.subtract(mUidSnapshot); 310 mVtDataUsageProvider.notifyStatsUpdated(mToken, ifaceDiff, uidDiff); 311 mIfaceSnapshot = mIfaceSnapshot.add(ifaceDiff); 312 mUidSnapshot = mUidSnapshot.add(uidDiff); 313 mToken = token; 314 } 315 316 @Override onSetLimit(String iface, long quotaBytes)317 public void onSetLimit(String iface, long quotaBytes) { 318 // No-op 319 } 320 321 @Override onSetAlert(long quotaBytes)322 public void onSetAlert(long quotaBytes) { 323 // No-op 324 } 325 } 326 327 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 328 @Override 329 public void onReceive(Context context, Intent intent) { 330 if (intent.getAction().equals(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) { 331 int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, 332 SubscriptionManager.INVALID_SUBSCRIPTION_ID); 333 if (subId == mPhone.getSubId()) { 334 cacheCarrierConfiguration(subId); 335 log("onReceive : Updating mAllowEmergencyVideoCalls = " + 336 mAllowEmergencyVideoCalls); 337 } 338 } else if (TelecomManager.ACTION_CHANGE_DEFAULT_DIALER.equals(intent.getAction())) { 339 mDefaultDialerUid.set(getPackageUid(context, intent.getStringExtra( 340 TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME))); 341 } 342 } 343 }; 344 345 /** 346 * Tracks whether we are currently monitoring network connectivity for the purpose of warning 347 * the user of an inability to handover from LTE to WIFI for video calls. 348 */ 349 private boolean mIsMonitoringConnectivity = false; 350 351 /** 352 * A test flag which can be used to disable processing of the conference event package data 353 * received from the network. 354 */ 355 private boolean mIsConferenceEventPackageEnabled = true; 356 357 /** 358 * Network callback used to schedule the handover check when a wireless network connects. 359 */ 360 private ConnectivityManager.NetworkCallback mNetworkCallback = 361 new ConnectivityManager.NetworkCallback() { 362 @Override 363 public void onAvailable(Network network) { 364 Rlog.i(LOG_TAG, "Network available: " + network); 365 scheduleHandoverCheck(); 366 } 367 }; 368 369 //***** Constants 370 371 static final int MAX_CONNECTIONS = 7; 372 static final int MAX_CONNECTIONS_PER_CALL = 5; 373 374 // Max number of calls we will keep call quality history for (the history is saved in-memory and 375 // included in bug reports). 376 private static final int MAX_CALL_QUALITY_HISTORY = 10; 377 378 private static final int EVENT_HANGUP_PENDINGMO = 18; 379 private static final int EVENT_DIAL_PENDINGMO = 20; 380 private static final int EVENT_EXIT_ECBM_BEFORE_PENDINGMO = 21; 381 private static final int EVENT_VT_DATA_USAGE_UPDATE = 22; 382 private static final int EVENT_DATA_ENABLED_CHANGED = 23; 383 private static final int EVENT_CHECK_FOR_WIFI_HANDOVER = 25; 384 private static final int EVENT_ON_FEATURE_CAPABILITY_CHANGED = 26; 385 private static final int EVENT_SUPP_SERVICE_INDICATION = 27; 386 private static final int EVENT_REDIAL_WIFI_E911_CALL = 28; 387 private static final int EVENT_REDIAL_WIFI_E911_TIMEOUT = 29; 388 private static final int EVENT_ANSWER_WAITING_CALL = 30; 389 private static final int EVENT_RESUME_NOW_FOREGROUND_CALL = 31; 390 private static final int EVENT_REDIAL_WITHOUT_RTT = 32; 391 392 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 393 394 private static final int HANDOVER_TO_WIFI_TIMEOUT_MS = 60000; // ms 395 396 private static final int TIMEOUT_REDIAL_WIFI_E911_MS = 10000; 397 398 private static final int TIMEOUT_PARTICIPANT_CONNECT_TIME_CACHE_MS = 60000; //ms 399 400 // Following values are for mHoldSwitchingState 401 private enum HoldSwapState { 402 // Not in the middle of a hold/swap operation 403 INACTIVE, 404 // Pending a single call getting held 405 PENDING_SINGLE_CALL_HOLD, 406 // Pending a single call getting unheld 407 PENDING_SINGLE_CALL_UNHOLD, 408 // Pending swapping a active and a held call 409 SWAPPING_ACTIVE_AND_HELD, 410 // Pending holding a call to answer a call-waiting call 411 HOLDING_TO_ANSWER_INCOMING, 412 // Pending resuming the foreground call after some kind of failure 413 PENDING_RESUME_FOREGROUND_AFTER_FAILURE, 414 // Pending holding a call to dial another outgoing call 415 HOLDING_TO_DIAL_OUTGOING, 416 } 417 418 //***** Instance Variables 419 @UnsupportedAppUsage 420 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 421 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 422 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 423 424 @UnsupportedAppUsage 425 public ImsPhoneCall mRingingCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_RINGING); 426 @UnsupportedAppUsage 427 public ImsPhoneCall mForegroundCall = new ImsPhoneCall(this, 428 ImsPhoneCall.CONTEXT_FOREGROUND); 429 @UnsupportedAppUsage 430 public ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this, 431 ImsPhoneCall.CONTEXT_BACKGROUND); 432 @UnsupportedAppUsage 433 public ImsPhoneCall mHandoverCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_HANDOVER); 434 435 // Hold aggregated video call data usage for each video call since boot. 436 // The ImsCall's call id is the key of the map. 437 private final HashMap<Integer, Long> mVtDataUsageMap = new HashMap<>(); 438 private final Map<String, CacheEntry> mPhoneNumAndConnTime = new ConcurrentHashMap<>(); 439 private final Queue<CacheEntry> mUnknownPeerConnTime = new LinkedBlockingQueue<>(); 440 441 private static class CacheEntry { 442 private long mCachedTime; 443 private long mConnectTime; 444 private long mConnectElapsedTime; 445 /** 446 * The direction of the call; 447 * {@link android.telecom.Call.Details#DIRECTION_INCOMING} for incoming calls, or 448 * {@link android.telecom.Call.Details#DIRECTION_OUTGOING} for outgoing calls. 449 */ 450 private int mCallDirection; 451 CacheEntry(long cachedTime, long connectTime, long connectElapsedTime, int callDirection)452 CacheEntry(long cachedTime, long connectTime, long connectElapsedTime, int callDirection) { 453 mCachedTime = cachedTime; 454 mConnectTime = connectTime; 455 mConnectElapsedTime = connectElapsedTime; 456 mCallDirection = callDirection; 457 } 458 } 459 460 private volatile NetworkStats mVtDataUsageSnapshot = null; 461 private volatile NetworkStats mVtDataUsageUidSnapshot = null; 462 private final VtDataUsageProvider mVtDataUsageProvider = new VtDataUsageProvider(); 463 464 private final AtomicInteger mDefaultDialerUid = new AtomicInteger(NetworkStats.UID_ALL); 465 466 @UnsupportedAppUsage 467 private ImsPhoneConnection mPendingMO; 468 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 469 @UnsupportedAppUsage 470 private Object mSyncHold = new Object(); 471 472 @UnsupportedAppUsage 473 private ImsCall mUssdSession = null; 474 @UnsupportedAppUsage 475 private Message mPendingUssd = null; 476 477 @UnsupportedAppUsage 478 ImsPhone mPhone; 479 480 private boolean mDesiredMute = false; // false = mute off 481 @UnsupportedAppUsage 482 private boolean mOnHoldToneStarted = false; 483 @UnsupportedAppUsage 484 private int mOnHoldToneId = -1; 485 486 private PhoneConstants.State mState = PhoneConstants.State.IDLE; 487 488 @UnsupportedAppUsage 489 private ImsManager mImsManager; 490 private ImsUtInterface mUtInterface; 491 492 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 493 494 private boolean mIsInEmergencyCall = false; 495 private boolean mIsDataEnabled = false; 496 497 private int pendingCallClirMode; 498 private int mPendingCallVideoState; 499 private Bundle mPendingIntentExtras; 500 private boolean pendingCallInEcm = false; 501 @UnsupportedAppUsage 502 private boolean mSwitchingFgAndBgCalls = false; 503 @UnsupportedAppUsage 504 private ImsCall mCallExpectedToResume = null; 505 @UnsupportedAppUsage 506 private boolean mAllowEmergencyVideoCalls = false; 507 private boolean mIgnoreDataEnabledChangedForVideoCalls = false; 508 private boolean mIsViLteDataMetered = false; 509 private boolean mAlwaysPlayRemoteHoldTone = false; 510 private boolean mAutoRetryFailedWifiEmergencyCall = false; 511 private boolean mSupportCepOnPeer = true; 512 // Tracks the state of our background/foreground calls while a call hold/swap operation is 513 // in progress. Values listed above. 514 private HoldSwapState mHoldSwitchingState = HoldSwapState.INACTIVE; 515 516 private String mLastDialString = null; 517 private ImsDialArgs mLastDialArgs = null; 518 519 /** 520 * Listeners to changes in the phone state. Intended for use by other interested IMS components 521 * without the need to register a full blown {@link android.telephony.PhoneStateListener}. 522 */ 523 private List<PhoneStateListener> mPhoneStateListeners = new ArrayList<>(); 524 525 /** 526 * Carrier configuration option which determines if video calls which have been downgraded to an 527 * audio call should be treated as if they are still video calls. 528 */ 529 private boolean mTreatDowngradedVideoCallsAsVideoCalls = false; 530 531 /** 532 * Carrier configuration option which determines if an ongoing video call over wifi should be 533 * dropped when an audio call is answered. 534 */ 535 private boolean mDropVideoCallWhenAnsweringAudioCall = false; 536 537 /** 538 * Carrier configuration option which determines whether adding a call during a video call 539 * should be allowed. 540 */ 541 private boolean mAllowAddCallDuringVideoCall = true; 542 543 /** 544 * Carrier configuration option which determines whether holding a video call 545 * should be allowed. 546 */ 547 private boolean mAllowHoldingVideoCall = true; 548 549 /** 550 * Carrier configuration option which determines whether to notify the connection if a handover 551 * to wifi fails. 552 */ 553 private boolean mNotifyVtHandoverToWifiFail = false; 554 555 /** 556 * Carrier configuration option which determines whether the carrier supports downgrading a 557 * TX/RX/TX-RX video call directly to an audio-only call. 558 */ 559 private boolean mSupportDowngradeVtToAudio = false; 560 561 /** 562 * Stores the mapping of {@code ImsReasonInfo#CODE_*} to {@code CallFailCause#*} 563 */ 564 private static final SparseIntArray PRECISE_CAUSE_MAP = new SparseIntArray(); 565 static { PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT, CallFailCause.LOCAL_ILLEGAL_ARGUMENT)566 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT, 567 CallFailCause.LOCAL_ILLEGAL_ARGUMENT); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE, CallFailCause.LOCAL_ILLEGAL_STATE)568 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE, 569 CallFailCause.LOCAL_ILLEGAL_STATE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_INTERNAL_ERROR, CallFailCause.LOCAL_INTERNAL_ERROR)570 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_INTERNAL_ERROR, 571 CallFailCause.LOCAL_INTERNAL_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN, CallFailCause.LOCAL_IMS_SERVICE_DOWN)572 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN, 573 CallFailCause.LOCAL_IMS_SERVICE_DOWN); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL, CallFailCause.LOCAL_NO_PENDING_CALL)574 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL, 575 CallFailCause.LOCAL_NO_PENDING_CALL); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE, CallFailCause.NORMAL_CLEARING)576 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE, 577 CallFailCause.NORMAL_CLEARING); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_POWER_OFF, CallFailCause.LOCAL_POWER_OFF)578 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_POWER_OFF, 579 CallFailCause.LOCAL_POWER_OFF); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_LOW_BATTERY, CallFailCause.LOCAL_LOW_BATTERY)580 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_LOW_BATTERY, 581 CallFailCause.LOCAL_LOW_BATTERY); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE, CallFailCause.LOCAL_NETWORK_NO_SERVICE)582 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE, 583 CallFailCause.LOCAL_NETWORK_NO_SERVICE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE, CallFailCause.LOCAL_NETWORK_NO_LTE_COVERAGE)584 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE, 585 CallFailCause.LOCAL_NETWORK_NO_LTE_COVERAGE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING, CallFailCause.LOCAL_NETWORK_ROAMING)586 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING, 587 CallFailCause.LOCAL_NETWORK_ROAMING); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED, CallFailCause.LOCAL_NETWORK_IP_CHANGED)588 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED, 589 CallFailCause.LOCAL_NETWORK_IP_CHANGED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE, CallFailCause.LOCAL_SERVICE_UNAVAILABLE)590 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE, 591 CallFailCause.LOCAL_SERVICE_UNAVAILABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED, CallFailCause.LOCAL_NOT_REGISTERED)592 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED, 593 CallFailCause.LOCAL_NOT_REGISTERED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_EXCEEDED, CallFailCause.LOCAL_MAX_CALL_EXCEEDED)594 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_EXCEEDED, 595 CallFailCause.LOCAL_MAX_CALL_EXCEEDED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_DECLINE, CallFailCause.LOCAL_CALL_DECLINE)596 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_DECLINE, 597 CallFailCause.LOCAL_CALL_DECLINE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING, CallFailCause.LOCAL_CALL_VCC_ON_PROGRESSING)598 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING, 599 CallFailCause.LOCAL_CALL_VCC_ON_PROGRESSING); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED, CallFailCause.LOCAL_CALL_RESOURCE_RESERVATION_FAILED)600 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED, 601 CallFailCause.LOCAL_CALL_RESOURCE_RESERVATION_FAILED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED, CallFailCause.LOCAL_CALL_CS_RETRY_REQUIRED)602 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED, 603 CallFailCause.LOCAL_CALL_CS_RETRY_REQUIRED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED, CallFailCause.LOCAL_CALL_VOLTE_RETRY_REQUIRED)604 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED, 605 CallFailCause.LOCAL_CALL_VOLTE_RETRY_REQUIRED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED, CallFailCause.LOCAL_CALL_TERMINATED)606 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED, 607 CallFailCause.LOCAL_CALL_TERMINATED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_HO_NOT_FEASIBLE, CallFailCause.LOCAL_HO_NOT_FEASIBLE)608 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_HO_NOT_FEASIBLE, 609 CallFailCause.LOCAL_HO_NOT_FEASIBLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING, CallFailCause.TIMEOUT_1XX_WAITING)610 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING, 611 CallFailCause.TIMEOUT_1XX_WAITING); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER, CallFailCause.TIMEOUT_NO_ANSWER)612 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER, 613 CallFailCause.TIMEOUT_NO_ANSWER); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE, CallFailCause.TIMEOUT_NO_ANSWER_CALL_UPDATE)614 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE, 615 CallFailCause.TIMEOUT_NO_ANSWER_CALL_UPDATE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_FDN_BLOCKED, CallFailCause.FDN_BLOCKED)616 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_FDN_BLOCKED, 617 CallFailCause.FDN_BLOCKED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REDIRECTED, CallFailCause.SIP_REDIRECTED)618 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REDIRECTED, 619 CallFailCause.SIP_REDIRECTED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_REQUEST, CallFailCause.SIP_BAD_REQUEST)620 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_REQUEST, 621 CallFailCause.SIP_BAD_REQUEST); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_FORBIDDEN, CallFailCause.SIP_FORBIDDEN)622 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_FORBIDDEN, 623 CallFailCause.SIP_FORBIDDEN); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_FOUND, CallFailCause.SIP_NOT_FOUND)624 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_FOUND, 625 CallFailCause.SIP_NOT_FOUND); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_SUPPORTED, CallFailCause.SIP_NOT_SUPPORTED)626 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_SUPPORTED, 627 CallFailCause.SIP_NOT_SUPPORTED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT, CallFailCause.SIP_REQUEST_TIMEOUT)628 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT, 629 CallFailCause.SIP_REQUEST_TIMEOUT); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE, CallFailCause.SIP_TEMPRARILY_UNAVAILABLE)630 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE, 631 CallFailCause.SIP_TEMPRARILY_UNAVAILABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_ADDRESS, CallFailCause.SIP_BAD_ADDRESS)632 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_ADDRESS, 633 CallFailCause.SIP_BAD_ADDRESS); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BUSY, CallFailCause.SIP_BUSY)634 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BUSY, 635 CallFailCause.SIP_BUSY); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_CANCELLED, CallFailCause.SIP_REQUEST_CANCELLED)636 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_CANCELLED, 637 CallFailCause.SIP_REQUEST_CANCELLED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE, CallFailCause.SIP_NOT_ACCEPTABLE)638 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE, 639 CallFailCause.SIP_NOT_ACCEPTABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_REACHABLE, CallFailCause.SIP_NOT_REACHABLE)640 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_REACHABLE, 641 CallFailCause.SIP_NOT_REACHABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_CLIENT_ERROR, CallFailCause.SIP_CLIENT_ERROR)642 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_CLIENT_ERROR, 643 CallFailCause.SIP_CLIENT_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TRANSACTION_DOES_NOT_EXIST, CallFailCause.SIP_TRANSACTION_DOES_NOT_EXIST)644 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TRANSACTION_DOES_NOT_EXIST, 645 CallFailCause.SIP_TRANSACTION_DOES_NOT_EXIST); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_INTERNAL_ERROR, CallFailCause.SIP_SERVER_INTERNAL_ERROR)646 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_INTERNAL_ERROR, 647 CallFailCause.SIP_SERVER_INTERNAL_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE, CallFailCause.SIP_SERVICE_UNAVAILABLE)648 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE, 649 CallFailCause.SIP_SERVICE_UNAVAILABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_TIMEOUT, CallFailCause.SIP_SERVER_TIMEOUT)650 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_TIMEOUT, 651 CallFailCause.SIP_SERVER_TIMEOUT); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_ERROR, CallFailCause.SIP_SERVER_ERROR)652 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_ERROR, 653 CallFailCause.SIP_SERVER_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_USER_REJECTED, CallFailCause.SIP_USER_REJECTED)654 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_USER_REJECTED, 655 CallFailCause.SIP_USER_REJECTED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_GLOBAL_ERROR, CallFailCause.SIP_GLOBAL_ERROR)656 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_GLOBAL_ERROR, 657 CallFailCause.SIP_GLOBAL_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE, CallFailCause.IMS_EMERGENCY_TEMP_FAILURE)658 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE, 659 CallFailCause.IMS_EMERGENCY_TEMP_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE, CallFailCause.IMS_EMERGENCY_PERM_FAILURE)660 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE, 661 CallFailCause.IMS_EMERGENCY_PERM_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_INIT_FAILED, CallFailCause.MEDIA_INIT_FAILED)662 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_INIT_FAILED, 663 CallFailCause.MEDIA_INIT_FAILED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NO_DATA, CallFailCause.MEDIA_NO_DATA)664 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NO_DATA, 665 CallFailCause.MEDIA_NO_DATA); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NOT_ACCEPTABLE, CallFailCause.MEDIA_NOT_ACCEPTABLE)666 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NOT_ACCEPTABLE, 667 CallFailCause.MEDIA_NOT_ACCEPTABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_UNSPECIFIED, CallFailCause.MEDIA_UNSPECIFIED)668 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_UNSPECIFIED, 669 CallFailCause.MEDIA_UNSPECIFIED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED, CallFailCause.USER_TERMINATED)670 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED, 671 CallFailCause.USER_TERMINATED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_NOANSWER, CallFailCause.USER_NOANSWER)672 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_NOANSWER, 673 CallFailCause.USER_NOANSWER); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_IGNORE, CallFailCause.USER_IGNORE)674 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_IGNORE, 675 CallFailCause.USER_IGNORE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_DECLINE, CallFailCause.USER_DECLINE)676 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_DECLINE, 677 CallFailCause.USER_DECLINE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOW_BATTERY, CallFailCause.LOW_BATTERY)678 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOW_BATTERY, 679 CallFailCause.LOW_BATTERY); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_BLACKLISTED_CALL_ID, CallFailCause.BLACKLISTED_CALL_ID)680 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_BLACKLISTED_CALL_ID, 681 CallFailCause.BLACKLISTED_CALL_ID); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE, CallFailCause.USER_TERMINATED_BY_REMOTE)682 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE, 683 CallFailCause.USER_TERMINATED_BY_REMOTE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NOT_SUPPORTED, CallFailCause.UT_NOT_SUPPORTED)684 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NOT_SUPPORTED, 685 CallFailCause.UT_NOT_SUPPORTED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_SERVICE_UNAVAILABLE, CallFailCause.UT_SERVICE_UNAVAILABLE)686 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_SERVICE_UNAVAILABLE, 687 CallFailCause.UT_SERVICE_UNAVAILABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_OPERATION_NOT_ALLOWED, CallFailCause.UT_OPERATION_NOT_ALLOWED)688 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_OPERATION_NOT_ALLOWED, 689 CallFailCause.UT_OPERATION_NOT_ALLOWED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NETWORK_ERROR, CallFailCause.UT_NETWORK_ERROR)690 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NETWORK_ERROR, 691 CallFailCause.UT_NETWORK_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_CB_PASSWORD_MISMATCH, CallFailCause.UT_CB_PASSWORD_MISMATCH)692 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_CB_PASSWORD_MISMATCH, 693 CallFailCause.UT_CB_PASSWORD_MISMATCH); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED, CallFailCause.ECBM_NOT_SUPPORTED)694 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED, 695 CallFailCause.ECBM_NOT_SUPPORTED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED, CallFailCause.MULTIENDPOINT_NOT_SUPPORTED)696 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED, 697 CallFailCause.MULTIENDPOINT_NOT_SUPPORTED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE, CallFailCause.CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE)698 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE, 699 CallFailCause.CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ANSWERED_ELSEWHERE, CallFailCause.ANSWERED_ELSEWHERE)700 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ANSWERED_ELSEWHERE, 701 CallFailCause.ANSWERED_ELSEWHERE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC, CallFailCause.CALL_PULL_OUT_OF_SYNC)702 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC, 703 CallFailCause.CALL_PULL_OUT_OF_SYNC); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL, CallFailCause.CALL_PULLED)704 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL, 705 CallFailCause.CALL_PULLED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_FAILED, CallFailCause.SUPP_SVC_FAILED)706 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_FAILED, 707 CallFailCause.SUPP_SVC_FAILED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_CANCELLED, CallFailCause.SUPP_SVC_CANCELLED)708 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_CANCELLED, 709 CallFailCause.SUPP_SVC_CANCELLED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_REINVITE_COLLISION, CallFailCause.SUPP_SVC_REINVITE_COLLISION)710 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_REINVITE_COLLISION, 711 CallFailCause.SUPP_SVC_REINVITE_COLLISION); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_IWLAN_DPD_FAILURE, CallFailCause.IWLAN_DPD_FAILURE)712 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_IWLAN_DPD_FAILURE, 713 CallFailCause.IWLAN_DPD_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_ESTABLISH_FAILURE, CallFailCause.EPDG_TUNNEL_ESTABLISH_FAILURE)714 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_ESTABLISH_FAILURE, 715 CallFailCause.EPDG_TUNNEL_ESTABLISH_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_REKEY_FAILURE, CallFailCause.EPDG_TUNNEL_REKEY_FAILURE)716 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_REKEY_FAILURE, 717 CallFailCause.EPDG_TUNNEL_REKEY_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_LOST_CONNECTION, CallFailCause.EPDG_TUNNEL_LOST_CONNECTION)718 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_LOST_CONNECTION, 719 CallFailCause.EPDG_TUNNEL_LOST_CONNECTION); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED, CallFailCause.MAXIMUM_NUMBER_OF_CALLS_REACHED)720 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED, 721 CallFailCause.MAXIMUM_NUMBER_OF_CALLS_REACHED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_REMOTE_CALL_DECLINE, CallFailCause.REMOTE_CALL_DECLINE)722 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_REMOTE_CALL_DECLINE, 723 CallFailCause.REMOTE_CALL_DECLINE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_LIMIT_REACHED, CallFailCause.DATA_LIMIT_REACHED)724 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_LIMIT_REACHED, 725 CallFailCause.DATA_LIMIT_REACHED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_DISABLED, CallFailCause.DATA_DISABLED)726 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_DISABLED, 727 CallFailCause.DATA_DISABLED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_WIFI_LOST, CallFailCause.WIFI_LOST)728 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_WIFI_LOST, 729 CallFailCause.WIFI_LOST); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_OFF, CallFailCause.RADIO_OFF)730 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_OFF, 731 CallFailCause.RADIO_OFF); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NO_VALID_SIM, CallFailCause.NO_VALID_SIM)732 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NO_VALID_SIM, 733 CallFailCause.NO_VALID_SIM); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_INTERNAL_ERROR, CallFailCause.RADIO_INTERNAL_ERROR)734 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_INTERNAL_ERROR, 735 CallFailCause.RADIO_INTERNAL_ERROR); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_RESP_TIMEOUT, CallFailCause.NETWORK_RESP_TIMEOUT)736 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_RESP_TIMEOUT, 737 CallFailCause.NETWORK_RESP_TIMEOUT); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_REJECT, CallFailCause.NETWORK_REJECT)738 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_REJECT, 739 CallFailCause.NETWORK_REJECT); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_ACCESS_FAILURE, CallFailCause.RADIO_ACCESS_FAILURE)740 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_ACCESS_FAILURE, 741 CallFailCause.RADIO_ACCESS_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_FAILURE, CallFailCause.RADIO_LINK_FAILURE)742 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_FAILURE, 743 CallFailCause.RADIO_LINK_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_LOST, CallFailCause.RADIO_LINK_LOST)744 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_LOST, 745 CallFailCause.RADIO_LINK_LOST); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_UPLINK_FAILURE, CallFailCause.RADIO_UPLINK_FAILURE)746 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_UPLINK_FAILURE, 747 CallFailCause.RADIO_UPLINK_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_SETUP_FAILURE, CallFailCause.RADIO_SETUP_FAILURE)748 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_SETUP_FAILURE, 749 CallFailCause.RADIO_SETUP_FAILURE); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_NORMAL, CallFailCause.RADIO_RELEASE_NORMAL)750 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_NORMAL, 751 CallFailCause.RADIO_RELEASE_NORMAL); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_ABNORMAL, CallFailCause.RADIO_RELEASE_ABNORMAL)752 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_ABNORMAL, 753 CallFailCause.RADIO_RELEASE_ABNORMAL); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED, CallFailCause.ACCESS_CLASS_BLOCKED)754 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED, 755 CallFailCause.ACCESS_CLASS_BLOCKED); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_DETACH, CallFailCause.NETWORK_DETACH)756 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_DETACH, 757 CallFailCause.NETWORK_DETACH); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UNOBTAINABLE_NUMBER, CallFailCause.UNOBTAINABLE_NUMBER)758 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UNOBTAINABLE_NUMBER, 759 CallFailCause.UNOBTAINABLE_NUMBER); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_1, CallFailCause.OEM_CAUSE_1)760 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_1, 761 CallFailCause.OEM_CAUSE_1); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_2, CallFailCause.OEM_CAUSE_2)762 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_2, 763 CallFailCause.OEM_CAUSE_2); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_3, CallFailCause.OEM_CAUSE_3)764 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_3, 765 CallFailCause.OEM_CAUSE_3); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_4, CallFailCause.OEM_CAUSE_4)766 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_4, 767 CallFailCause.OEM_CAUSE_4); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_5, CallFailCause.OEM_CAUSE_5)768 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_5, 769 CallFailCause.OEM_CAUSE_5); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_6, CallFailCause.OEM_CAUSE_6)770 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_6, 771 CallFailCause.OEM_CAUSE_6); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_7, CallFailCause.OEM_CAUSE_7)772 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_7, 773 CallFailCause.OEM_CAUSE_7); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_8, CallFailCause.OEM_CAUSE_8)774 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_8, 775 CallFailCause.OEM_CAUSE_8); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_9, CallFailCause.OEM_CAUSE_9)776 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_9, 777 CallFailCause.OEM_CAUSE_9); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_10, CallFailCause.OEM_CAUSE_10)778 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_10, 779 CallFailCause.OEM_CAUSE_10); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_11, CallFailCause.OEM_CAUSE_11)780 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_11, 781 CallFailCause.OEM_CAUSE_11); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_12, CallFailCause.OEM_CAUSE_12)782 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_12, 783 CallFailCause.OEM_CAUSE_12); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_13, CallFailCause.OEM_CAUSE_13)784 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_13, 785 CallFailCause.OEM_CAUSE_13); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_14, CallFailCause.OEM_CAUSE_14)786 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_14, 787 CallFailCause.OEM_CAUSE_14); PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_15, CallFailCause.OEM_CAUSE_15)788 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_15, 789 CallFailCause.OEM_CAUSE_15); 790 } 791 792 /** 793 * Carrier configuration option which determines whether the carrier wants to inform the user 794 * when a video call is handed over from WIFI to LTE. 795 * See {@link CarrierConfigManager#KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL} for more 796 * information. 797 */ 798 private boolean mNotifyHandoverVideoFromWifiToLTE = false; 799 800 /** 801 * Carrier configuration option which determines whether the carrier wants to inform the user 802 * when a video call is handed over from LTE to WIFI. 803 * See {@link CarrierConfigManager#KEY_NOTIFY_HANDOVER_VIDEO_FROM_LTE_TO_WIFI_BOOL} for more 804 * information. 805 */ 806 private boolean mNotifyHandoverVideoFromLTEToWifi = false; 807 808 /** 809 * When {@code} false, indicates that no handover from LTE to WIFI has been attempted during the 810 * start of the call. 811 * When {@code true}, indicates that the start of call handover from LTE to WIFI has been 812 * attempted (it may have succeeded or failed). 813 */ 814 private boolean mHasAttemptedStartOfCallHandover = false; 815 816 /** 817 * Carrier configuration option which determines whether the carrier supports the 818 * {@link VideoProfile#STATE_PAUSED} signalling. 819 * See {@link CarrierConfigManager#KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL} for more information. 820 */ 821 private boolean mSupportPauseVideo = false; 822 823 /** 824 * Carrier configuration option which defines a mapping from pairs of 825 * {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()} values to a new 826 * {@code ImsReasonInfo#CODE_*} value. 827 * 828 * See {@link CarrierConfigManager#KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY}. 829 */ 830 private Map<Pair<Integer, String>, Integer> mImsReasonCodeMap = new ArrayMap<>(); 831 832 833 /** 834 * TODO: Remove this code; it is a workaround. 835 * When {@code true}, forces {@link ImsManager#updateImsServiceConfig(boolean)} to 836 * be called when an ongoing video call is disconnected. In some cases, where video pause is 837 * supported by the carrier, when {@link #onDataEnabledChanged(boolean, int)} reports that data 838 * has been disabled we will pause the video rather than disconnecting the call. When this 839 * happens we need to prevent the IMS service config from being updated, as this will cause VT 840 * to be disabled mid-call, resulting in an inability to un-pause the video. 841 */ 842 private boolean mShouldUpdateImsConfigOnDisconnect = false; 843 844 /** 845 * Default implementation for retrieving shared preferences; uses the actual PreferencesManager. 846 */ 847 private SharedPreferenceProxy mSharedPreferenceProxy = (Context context) -> { 848 return PreferenceManager.getDefaultSharedPreferences(context); 849 }; 850 851 /** 852 * Default implementation for determining if a number is an emergency number. Uses the real 853 * PhoneNumberUtils. 854 */ 855 private PhoneNumberUtilsProxy mPhoneNumberUtilsProxy = (String string) -> { 856 return PhoneNumberUtils.isEmergencyNumber(string); 857 }; 858 859 private final FeatureConnector<ImsManager> mImsManagerConnector; 860 861 // Used exclusively for IMS Registration related events for logging. 862 private final LocalLog mRegLocalLog = new LocalLog(100); 863 // Used for important operational related events for logging. 864 private final LocalLog mOperationLocalLog = new LocalLog(100); 865 866 //***** Events 867 868 869 //***** Constructors ImsPhoneCallTracker(ImsPhone phone)870 public ImsPhoneCallTracker(ImsPhone phone) { 871 this(phone, phone.getContext().getMainExecutor()); 872 } 873 874 @VisibleForTesting ImsPhoneCallTracker(ImsPhone phone, Executor executor)875 public ImsPhoneCallTracker(ImsPhone phone, Executor executor) { 876 this.mPhone = phone; 877 878 mMetrics = TelephonyMetrics.getInstance(); 879 880 IntentFilter intentfilter = new IntentFilter(); 881 intentfilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED); 882 intentfilter.addAction(TelecomManager.ACTION_CHANGE_DEFAULT_DIALER); 883 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 884 cacheCarrierConfiguration(mPhone.getSubId()); 885 886 mPhone.getDefaultPhone().getDataEnabledSettings().registerForDataEnabledChanged( 887 this, EVENT_DATA_ENABLED_CHANGED, null); 888 889 final TelecomManager telecomManager = 890 (TelecomManager) mPhone.getContext().getSystemService(Context.TELECOM_SERVICE); 891 mDefaultDialerUid.set( 892 getPackageUid(mPhone.getContext(), telecomManager.getDefaultDialerPackage())); 893 894 long currentTime = SystemClock.elapsedRealtime(); 895 mVtDataUsageSnapshot = new NetworkStats(currentTime, 1); 896 mVtDataUsageUidSnapshot = new NetworkStats(currentTime, 1); 897 final NetworkStatsManager statsManager = 898 (NetworkStatsManager) mPhone.getContext().getSystemService( 899 Context.NETWORK_STATS_SERVICE); 900 statsManager.registerNetworkStatsProvider(LOG_TAG, mVtDataUsageProvider); 901 902 // Allow the executor to be specified for testing. 903 mImsManagerConnector = new FeatureConnector<>( 904 phone.getContext(), phone.getPhoneId(), 905 new FeatureConnector.Listener<ImsManager>() { 906 @Override 907 public ImsManager getFeatureManager() { 908 return ImsManager.getInstance(phone.getContext(), phone.getPhoneId()); 909 } 910 911 @Override 912 public void connectionReady(ImsManager manager) throws ImsException { 913 mImsManager = manager; 914 startListeningForCalls(); 915 } 916 917 @Override 918 public void connectionUnavailable() { 919 stopListeningForCalls(); 920 } 921 }, executor, "ImsPhoneCallTracker"); 922 mImsManagerConnector.connect(); 923 } 924 925 /** 926 * Test-only method used to mock out access to the shared preferences through the 927 * {@link PreferenceManager}. 928 * @param sharedPreferenceProxy 929 */ 930 @VisibleForTesting setSharedPreferenceProxy(SharedPreferenceProxy sharedPreferenceProxy)931 public void setSharedPreferenceProxy(SharedPreferenceProxy sharedPreferenceProxy) { 932 mSharedPreferenceProxy = sharedPreferenceProxy; 933 } 934 935 /** 936 * Test-only method used to mock out access to the phone number utils class. 937 * @param phoneNumberUtilsProxy 938 */ 939 @VisibleForTesting setPhoneNumberUtilsProxy(PhoneNumberUtilsProxy phoneNumberUtilsProxy)940 public void setPhoneNumberUtilsProxy(PhoneNumberUtilsProxy phoneNumberUtilsProxy) { 941 mPhoneNumberUtilsProxy = phoneNumberUtilsProxy; 942 } 943 944 /** 945 * Test-only method used to set the ImsService retry timeout. 946 */ 947 @VisibleForTesting setRetryTimeout(FeatureConnector.RetryTimeout retryTimeout)948 public void setRetryTimeout(FeatureConnector.RetryTimeout retryTimeout) { 949 mImsManagerConnector.mRetryTimeout = retryTimeout; 950 } 951 getPackageUid(Context context, String pkg)952 private int getPackageUid(Context context, String pkg) { 953 if (pkg == null) { 954 return NetworkStats.UID_ALL; 955 } 956 957 // Initialize to UID_ALL so at least it can be counted to overall data usage if 958 // the dialer's package uid is not available. 959 int uid = NetworkStats.UID_ALL; 960 try { 961 uid = context.getPackageManager().getPackageUid(pkg, 0); 962 } catch (PackageManager.NameNotFoundException e) { 963 loge("Cannot find package uid. pkg = " + pkg); 964 } 965 return uid; 966 } 967 startListeningForCalls()968 private void startListeningForCalls() throws ImsException { 969 log("startListeningForCalls"); 970 mOperationLocalLog.log("startListeningForCalls - Connecting to ImsService"); 971 mImsManager.open(mMmTelFeatureListener); 972 mImsManager.addRegistrationCallback(mPhone.getImsMmTelRegistrationCallback()); 973 mImsManager.addCapabilitiesCallback(mImsCapabilityCallback); 974 975 mImsManager.setConfigListener(mImsConfigListener); 976 977 mImsManager.getConfigInterface().addConfigCallback(mConfigCallback); 978 979 // Get the ECBM interface and set IMSPhone's listener object for notifications 980 getEcbmInterface().setEcbmStateListener(mPhone.getImsEcbmStateListener()); 981 if (mPhone.isInEcm()) { 982 // Call exit ECBM which will invoke onECBMExited 983 mPhone.exitEmergencyCallbackMode(); 984 } 985 int mPreferredTtyMode = Settings.Secure.getInt( 986 mPhone.getContext().getContentResolver(), 987 Settings.Secure.PREFERRED_TTY_MODE, 988 Phone.TTY_MODE_OFF); 989 mImsManager.setUiTTYMode(mPhone.getContext(), mPreferredTtyMode, null); 990 991 ImsMultiEndpoint multiEndpoint = getMultiEndpointInterface(); 992 if (multiEndpoint != null) { 993 multiEndpoint.setExternalCallStateListener( 994 mPhone.getExternalCallTracker().getExternalCallStateListener()); 995 } 996 997 //Set UT interface listener to receive UT indications. 998 mUtInterface = getUtInterface(); 999 if (mUtInterface != null) { 1000 mUtInterface.registerForSuppServiceIndication(this, 1001 EVENT_SUPP_SERVICE_INDICATION, null); 1002 } 1003 1004 if (mCarrierConfigLoaded) { 1005 mImsManager.updateImsServiceConfig(true); 1006 } 1007 // For compatibility with apps that still use deprecated intent 1008 sendImsServiceStateIntent(ImsManager.ACTION_IMS_SERVICE_UP); 1009 } 1010 stopListeningForCalls()1011 private void stopListeningForCalls() { 1012 log("stopListeningForCalls"); 1013 mOperationLocalLog.log("stopListeningForCalls - Disconnecting from ImsService"); 1014 resetImsCapabilities(); 1015 // Only close on valid session. 1016 if (mImsManager != null) { 1017 try { 1018 mImsManager.getConfigInterface().removeConfigCallback(mConfigCallback.getBinder()); 1019 } catch (ImsException e) { 1020 Log.w(LOG_TAG, "stopListeningForCalls: unable to remove config callback."); 1021 } 1022 mImsManager.close(); 1023 } 1024 // For compatibility with apps that still use deprecated intent 1025 sendImsServiceStateIntent(ImsManager.ACTION_IMS_SERVICE_DOWN); 1026 } 1027 sendImsServiceStateIntent(String intentAction)1028 private void sendImsServiceStateIntent(String intentAction) { 1029 Intent intent = new Intent(intentAction); 1030 intent.putExtra(ImsManager.EXTRA_PHONE_ID, mPhone.getPhoneId()); 1031 if (mPhone != null && mPhone.getContext() != null) { 1032 mPhone.getContext().sendBroadcast(intent); 1033 } 1034 } 1035 dispose()1036 public void dispose() { 1037 if (DBG) log("dispose"); 1038 mRingingCall.dispose(); 1039 mBackgroundCall.dispose(); 1040 mForegroundCall.dispose(); 1041 mHandoverCall.dispose(); 1042 1043 clearDisconnected(); 1044 if (mUtInterface != null) { 1045 mUtInterface.unregisterForSuppServiceIndication(this); 1046 } 1047 mPhone.getContext().unregisterReceiver(mReceiver); 1048 mPhone.getDefaultPhone().getDataEnabledSettings().unregisterForDataEnabledChanged(this); 1049 mImsManagerConnector.disconnect(); 1050 1051 final NetworkStatsManager statsManager = 1052 (NetworkStatsManager) mPhone.getContext().getSystemService( 1053 Context.NETWORK_STATS_SERVICE); 1054 statsManager.unregisterNetworkStatsProvider(mVtDataUsageProvider); 1055 } 1056 1057 @Override finalize()1058 protected void finalize() { 1059 log("ImsPhoneCallTracker finalized"); 1060 } 1061 1062 //***** Instance Methods 1063 1064 //***** Public Methods 1065 @Override registerForVoiceCallStarted(Handler h, int what, Object obj)1066 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 1067 Registrant r = new Registrant(h, what, obj); 1068 mVoiceCallStartedRegistrants.add(r); 1069 } 1070 1071 @Override unregisterForVoiceCallStarted(Handler h)1072 public void unregisterForVoiceCallStarted(Handler h) { 1073 mVoiceCallStartedRegistrants.remove(h); 1074 } 1075 1076 @Override registerForVoiceCallEnded(Handler h, int what, Object obj)1077 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 1078 Registrant r = new Registrant(h, what, obj); 1079 mVoiceCallEndedRegistrants.add(r); 1080 } 1081 1082 @Override unregisterForVoiceCallEnded(Handler h)1083 public void unregisterForVoiceCallEnded(Handler h) { 1084 mVoiceCallEndedRegistrants.remove(h); 1085 } 1086 getClirMode()1087 public int getClirMode() { 1088 if (mSharedPreferenceProxy != null && mPhone.getDefaultPhone() != null) { 1089 SharedPreferences sp = mSharedPreferenceProxy.getDefaultSharedPreferences( 1090 mPhone.getContext()); 1091 return sp.getInt(Phone.CLIR_KEY + mPhone.getSubId(), 1092 CommandsInterface.CLIR_DEFAULT); 1093 } else { 1094 loge("dial; could not get default CLIR mode."); 1095 return CommandsInterface.CLIR_DEFAULT; 1096 } 1097 } 1098 prepareForDialing(ImsPhone.ImsDialArgs dialArgs)1099 private boolean prepareForDialing(ImsPhone.ImsDialArgs dialArgs) throws CallStateException { 1100 boolean holdBeforeDial = false; 1101 // note that this triggers call state changed notif 1102 clearDisconnected(); 1103 if (mImsManager == null) { 1104 throw new CallStateException("service not available"); 1105 } 1106 // See if there are any issues which preclude placing a call; throw a CallStateException 1107 // if there is. 1108 checkForDialIssues(); 1109 int videoState = dialArgs.videoState; 1110 if (!canAddVideoCallDuringImsAudioCall(videoState)) { 1111 throw new CallStateException("cannot dial in current state"); 1112 } 1113 1114 // The new call must be assigned to the foreground call. 1115 // That call must be idle, so place anything that's 1116 // there on hold 1117 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 1118 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 1119 //we should have failed in checkForDialIssues above before we get here 1120 throw new CallStateException(CallStateException.ERROR_TOO_MANY_CALLS, 1121 "Already too many ongoing calls."); 1122 } 1123 // foreground call is empty for the newly dialed connection 1124 holdBeforeDial = true; 1125 mPendingCallVideoState = videoState; 1126 mPendingIntentExtras = dialArgs.intentExtras; 1127 holdActiveCallForPendingMo(); 1128 } 1129 1130 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 1131 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 1132 1133 synchronized (mSyncHold) { 1134 if (holdBeforeDial) { 1135 fgState = mForegroundCall.getState(); 1136 bgState = mBackgroundCall.getState(); 1137 //holding foreground call failed 1138 if (fgState == ImsPhoneCall.State.ACTIVE) { 1139 throw new CallStateException("cannot dial in current state"); 1140 } 1141 //holding foreground call succeeded 1142 if (bgState == ImsPhoneCall.State.HOLDING) { 1143 holdBeforeDial = false; 1144 } 1145 } 1146 } 1147 return holdBeforeDial; 1148 } 1149 startConference(String[] participantsToDial, ImsPhone.ImsDialArgs dialArgs)1150 public Connection startConference(String[] participantsToDial, ImsPhone.ImsDialArgs dialArgs) 1151 throws CallStateException { 1152 1153 int clirMode = dialArgs.clirMode; 1154 int videoState = dialArgs.videoState; 1155 1156 if (DBG) log("dial clirMode=" + clirMode); 1157 boolean holdBeforeDial = prepareForDialing(dialArgs); 1158 1159 mClirMode = clirMode; 1160 ImsPhoneConnection pendingConnection; 1161 synchronized (mSyncHold) { 1162 mLastDialArgs = dialArgs; 1163 pendingConnection = new ImsPhoneConnection(mPhone, 1164 participantsToDial, this, mForegroundCall, 1165 false); 1166 // Don't rely on the mPendingMO in this method; if the modem calls back through 1167 // onCallProgressing, we'll end up nulling out mPendingMO, which means that 1168 // TelephonyConnectionService would treat this call as an MMI code, which it is not, 1169 // which would mean that the MMI code dialog would crash. 1170 mPendingMO = pendingConnection; 1171 pendingConnection.setVideoState(videoState); 1172 if (dialArgs.rttTextStream != null) { 1173 log("startConference: setting RTT stream on mPendingMO"); 1174 pendingConnection.setCurrentRttTextStream(dialArgs.rttTextStream); 1175 } 1176 } 1177 addConnection(pendingConnection); 1178 1179 if (!holdBeforeDial) { 1180 dialInternal(pendingConnection, clirMode, videoState, dialArgs.intentExtras); 1181 } 1182 1183 updatePhoneState(); 1184 mPhone.notifyPreciseCallStateChanged(); 1185 1186 return pendingConnection; 1187 } 1188 1189 @UnsupportedAppUsage dial(String dialString, int videoState, Bundle intentExtras)1190 public Connection dial(String dialString, int videoState, Bundle intentExtras) throws 1191 CallStateException { 1192 ImsPhone.ImsDialArgs dialArgs = new ImsPhone.ImsDialArgs.Builder() 1193 .setIntentExtras(intentExtras) 1194 .setVideoState(videoState) 1195 .setClirMode(getClirMode()) 1196 .build(); 1197 return dial(dialString, dialArgs); 1198 } 1199 dial(String dialString, ImsPhone.ImsDialArgs dialArgs)1200 public synchronized Connection dial(String dialString, ImsPhone.ImsDialArgs dialArgs) 1201 throws CallStateException { 1202 boolean isPhoneInEcmMode = isPhoneInEcbMode(); 1203 boolean isEmergencyNumber = mPhoneNumberUtilsProxy.isEmergencyNumber(dialString); 1204 1205 if (!shouldNumberBePlacedOnIms(isEmergencyNumber, dialString)) { 1206 Rlog.i(LOG_TAG, "dial: shouldNumberBePlacedOnIms = false"); 1207 mOperationLocalLog.log("dial: shouldNumberBePlacedOnIms = false"); 1208 throw new CallStateException(CS_FALLBACK); 1209 } 1210 1211 int clirMode = dialArgs.clirMode; 1212 int videoState = dialArgs.videoState; 1213 1214 if (DBG) log("dial clirMode=" + clirMode); 1215 mOperationLocalLog.log("dial requested."); 1216 String origNumber = dialString; 1217 if (isEmergencyNumber) { 1218 clirMode = CommandsInterface.CLIR_SUPPRESSION; 1219 if (DBG) log("dial emergency call, set clirModIe=" + clirMode); 1220 } else { 1221 dialString = convertNumberIfNecessary(mPhone, dialString); 1222 } 1223 1224 mClirMode = clirMode; 1225 boolean holdBeforeDial = prepareForDialing(dialArgs); 1226 1227 if (isPhoneInEcmMode && isEmergencyNumber) { 1228 mPhone.handleTimerInEmergencyCallbackMode(ImsPhone.CANCEL_ECM_TIMER); 1229 } 1230 1231 // If the call is to an emergency number and the carrier does not support video emergency 1232 // calls, dial as an audio-only call. 1233 if (isEmergencyNumber && VideoProfile.isVideo(videoState) && 1234 !mAllowEmergencyVideoCalls) { 1235 loge("dial: carrier does not support video emergency calls; downgrade to audio-only"); 1236 videoState = VideoProfile.STATE_AUDIO_ONLY; 1237 } 1238 1239 // Cache the video state for pending MO call. 1240 mPendingCallVideoState = videoState; 1241 1242 synchronized (mSyncHold) { 1243 mLastDialString = dialString; 1244 mLastDialArgs = dialArgs; 1245 mPendingMO = new ImsPhoneConnection(mPhone, dialString, this, mForegroundCall, 1246 isEmergencyNumber); 1247 if (isEmergencyNumber && dialArgs != null && dialArgs.intentExtras != null) { 1248 Rlog.i(LOG_TAG, "dial ims emergency dialer: " + dialArgs.intentExtras.getBoolean( 1249 TelecomManager.EXTRA_IS_USER_INTENT_EMERGENCY_CALL)); 1250 mPendingMO.setHasKnownUserIntentEmergency(dialArgs.intentExtras.getBoolean( 1251 TelecomManager.EXTRA_IS_USER_INTENT_EMERGENCY_CALL)); 1252 } 1253 mPendingMO.setVideoState(videoState); 1254 if (dialArgs.rttTextStream != null) { 1255 log("dial: setting RTT stream on mPendingMO"); 1256 mPendingMO.setCurrentRttTextStream(dialArgs.rttTextStream); 1257 } 1258 } 1259 addConnection(mPendingMO); 1260 1261 if (!holdBeforeDial) { 1262 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 1263 dialInternal(mPendingMO, clirMode, videoState, dialArgs.retryCallFailCause, 1264 dialArgs.retryCallFailNetworkType, dialArgs.intentExtras); 1265 } else { 1266 try { 1267 getEcbmInterface().exitEmergencyCallbackMode(); 1268 } catch (ImsException e) { 1269 e.printStackTrace(); 1270 throw new CallStateException("service not available"); 1271 } 1272 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 1273 pendingCallClirMode = clirMode; 1274 mPendingCallVideoState = videoState; 1275 mPendingIntentExtras = dialArgs.intentExtras; 1276 pendingCallInEcm = true; 1277 } 1278 } 1279 1280 if (mNumberConverted) { 1281 mPendingMO.restoreDialedNumberAfterConversion(origNumber); 1282 mNumberConverted = false; 1283 } 1284 1285 updatePhoneState(); 1286 mPhone.notifyPreciseCallStateChanged(); 1287 1288 return mPendingMO; 1289 } 1290 isImsServiceReady()1291 boolean isImsServiceReady() { 1292 if (mImsManager == null) { 1293 return false; 1294 } 1295 1296 return mImsManager.isServiceReady(); 1297 } 1298 shouldNumberBePlacedOnIms(boolean isEmergency, String number)1299 private boolean shouldNumberBePlacedOnIms(boolean isEmergency, String number) { 1300 int processCallResult; 1301 try { 1302 if (mImsManager != null) { 1303 processCallResult = mImsManager.shouldProcessCall(isEmergency, 1304 new String[]{number}); 1305 Rlog.i(LOG_TAG, "shouldProcessCall: number: " + Rlog.pii(LOG_TAG, number) 1306 + ", result: " + processCallResult); 1307 } else { 1308 Rlog.w(LOG_TAG, "ImsManager unavailable, shouldProcessCall returning false."); 1309 return false; 1310 } 1311 } catch (ImsException e) { 1312 Rlog.w(LOG_TAG, "ImsService unavailable, shouldProcessCall returning false."); 1313 return false; 1314 } 1315 switch(processCallResult) { 1316 case MmTelFeature.PROCESS_CALL_IMS: { 1317 // The ImsService wishes to place the call over IMS 1318 return true; 1319 } 1320 case MmTelFeature.PROCESS_CALL_CSFB: { 1321 Rlog.i(LOG_TAG, "shouldProcessCall: place over CSFB instead."); 1322 return false; 1323 } 1324 default: { 1325 Rlog.w(LOG_TAG, "shouldProcessCall returned unknown result."); 1326 return false; 1327 } 1328 } 1329 } 1330 1331 /** 1332 * Caches frequently used carrier configuration items locally. 1333 * 1334 * @param subId The sub id. 1335 */ cacheCarrierConfiguration(int subId)1336 private void cacheCarrierConfiguration(int subId) { 1337 CarrierConfigManager carrierConfigManager = (CarrierConfigManager) 1338 mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 1339 if (carrierConfigManager == null 1340 || !SubscriptionController.getInstance().isActiveSubId(subId)) { 1341 loge("cacheCarrierConfiguration: No carrier config service found" + " " 1342 + "or not active subId = " + subId); 1343 mCarrierConfigLoaded = false; 1344 return; 1345 } 1346 1347 PersistableBundle carrierConfig = carrierConfigManager.getConfigForSubId(subId); 1348 if (carrierConfig == null) { 1349 loge("cacheCarrierConfiguration: Empty carrier config."); 1350 mCarrierConfigLoaded = false; 1351 return; 1352 } 1353 mCarrierConfigLoaded = true; 1354 1355 updateCarrierConfigCache(carrierConfig); 1356 } 1357 1358 /** 1359 * Updates the local carrier config cache from a bundle obtained from the carrier config 1360 * manager. Also supports unit testing by injecting configuration at test time. 1361 * @param carrierConfig The config bundle. 1362 */ 1363 @VisibleForTesting updateCarrierConfigCache(PersistableBundle carrierConfig)1364 public void updateCarrierConfigCache(PersistableBundle carrierConfig) { 1365 mAllowEmergencyVideoCalls = 1366 carrierConfig.getBoolean(CarrierConfigManager.KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL); 1367 mTreatDowngradedVideoCallsAsVideoCalls = 1368 carrierConfig.getBoolean( 1369 CarrierConfigManager.KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL); 1370 mDropVideoCallWhenAnsweringAudioCall = 1371 carrierConfig.getBoolean( 1372 CarrierConfigManager.KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL); 1373 mAllowAddCallDuringVideoCall = 1374 carrierConfig.getBoolean( 1375 CarrierConfigManager.KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL); 1376 mAllowHoldingVideoCall = 1377 carrierConfig.getBoolean( 1378 CarrierConfigManager.KEY_ALLOW_HOLD_VIDEO_CALL_BOOL); 1379 mNotifyVtHandoverToWifiFail = carrierConfig.getBoolean( 1380 CarrierConfigManager.KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL); 1381 mSupportDowngradeVtToAudio = carrierConfig.getBoolean( 1382 CarrierConfigManager.KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL); 1383 mNotifyHandoverVideoFromWifiToLTE = carrierConfig.getBoolean( 1384 CarrierConfigManager.KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL); 1385 mNotifyHandoverVideoFromLTEToWifi = carrierConfig.getBoolean( 1386 CarrierConfigManager.KEY_NOTIFY_HANDOVER_VIDEO_FROM_LTE_TO_WIFI_BOOL); 1387 mIgnoreDataEnabledChangedForVideoCalls = carrierConfig.getBoolean( 1388 CarrierConfigManager.KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS); 1389 mIsViLteDataMetered = carrierConfig.getBoolean( 1390 CarrierConfigManager.KEY_VILTE_DATA_IS_METERED_BOOL); 1391 mSupportPauseVideo = carrierConfig.getBoolean( 1392 CarrierConfigManager.KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL); 1393 mAlwaysPlayRemoteHoldTone = carrierConfig.getBoolean( 1394 CarrierConfigManager.KEY_ALWAYS_PLAY_REMOTE_HOLD_TONE_BOOL); 1395 mAutoRetryFailedWifiEmergencyCall = carrierConfig.getBoolean( 1396 CarrierConfigManager.KEY_AUTO_RETRY_FAILED_WIFI_EMERGENCY_CALL); 1397 mSupportCepOnPeer = carrierConfig.getBoolean( 1398 CarrierConfigManager.KEY_SUPPORT_IMS_CONFERENCE_EVENT_PACKAGE_ON_PEER_BOOL); 1399 1400 String[] mappings = carrierConfig 1401 .getStringArray(CarrierConfigManager.KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY); 1402 if (mappings != null && mappings.length > 0) { 1403 for (String mapping : mappings) { 1404 String[] values = mapping.split(Pattern.quote("|")); 1405 if (values.length != 3) { 1406 continue; 1407 } 1408 1409 try { 1410 Integer fromCode; 1411 if (values[0].equals("*")) { 1412 fromCode = null; 1413 } else { 1414 fromCode = Integer.parseInt(values[0]); 1415 } 1416 String message = values[1]; 1417 if (message == null) { 1418 message = ""; 1419 } 1420 int toCode = Integer.parseInt(values[2]); 1421 1422 addReasonCodeRemapping(fromCode, message, toCode); 1423 log("Loaded ImsReasonInfo mapping : fromCode = " + 1424 fromCode == null ? "any" : fromCode + " ; message = " + 1425 message + " ; toCode = " + toCode); 1426 } catch (NumberFormatException nfe) { 1427 loge("Invalid ImsReasonInfo mapping found: " + mapping); 1428 } 1429 } 1430 } else { 1431 log("No carrier ImsReasonInfo mappings defined."); 1432 } 1433 } 1434 1435 @UnsupportedAppUsage handleEcmTimer(int action)1436 private void handleEcmTimer(int action) { 1437 mPhone.handleTimerInEmergencyCallbackMode(action); 1438 } 1439 dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, Bundle intentExtras)1440 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, 1441 Bundle intentExtras) { 1442 dialInternal(conn, clirMode, videoState, ImsReasonInfo.CODE_UNSPECIFIED, 1443 TelephonyManager.NETWORK_TYPE_UNKNOWN, intentExtras); 1444 } 1445 dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, int retryCallFailCause, int retryCallFailNetworkType, Bundle intentExtras)1446 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, 1447 int retryCallFailCause, int retryCallFailNetworkType, Bundle intentExtras) { 1448 1449 if (conn == null) { 1450 return; 1451 } 1452 1453 if (!conn.isAdhocConference() && 1454 (conn.getAddress()== null || conn.getAddress().length() == 0 1455 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0)) { 1456 // Phone number is invalid 1457 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 1458 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1459 return; 1460 } 1461 1462 // Always unmute when initiating a new call 1463 setMute(false); 1464 boolean isEmergencyCall = mPhoneNumberUtilsProxy.isEmergencyNumber(conn.getAddress()); 1465 int serviceType = isEmergencyCall 1466 ? ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 1467 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 1468 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 1469 conn.setVideoState(videoState); 1470 1471 try { 1472 String[] callees = new String[] { conn.getAddress() }; 1473 ImsCallProfile profile = mImsManager.createCallProfile(serviceType, callType); 1474 if (conn.isAdhocConference()) { 1475 profile.setCallExtraBoolean(ImsCallProfile.EXTRA_CONFERENCE, true); 1476 } 1477 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 1478 profile.setCallExtraInt(ImsCallProfile.EXTRA_RETRY_CALL_FAIL_REASON, 1479 retryCallFailCause); 1480 profile.setCallExtraInt(ImsCallProfile.EXTRA_RETRY_CALL_FAIL_NETWORKTYPE, 1481 retryCallFailNetworkType); 1482 1483 if (isEmergencyCall) { 1484 // Set emergency call information in ImsCallProfile 1485 setEmergencyCallInfo(profile, conn); 1486 } 1487 1488 // Translate call subject intent-extra from Telecom-specific extra key to the 1489 // ImsCallProfile key. 1490 if (intentExtras != null) { 1491 if (intentExtras.containsKey(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) { 1492 intentExtras.putString(ImsCallProfile.EXTRA_DISPLAY_TEXT, 1493 cleanseInstantLetteringMessage(intentExtras.getString( 1494 android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) 1495 ); 1496 } 1497 1498 if (conn.hasRttTextStream()) { 1499 profile.mMediaProfile.mRttMode = ImsStreamMediaProfile.RTT_MODE_FULL; 1500 } 1501 1502 if (intentExtras.containsKey(ImsCallProfile.EXTRA_IS_CALL_PULL)) { 1503 profile.mCallExtras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, 1504 intentExtras.getBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL)); 1505 int dialogId = intentExtras.getInt( 1506 ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID); 1507 conn.setIsPulledCall(true); 1508 conn.setPulledDialogId(dialogId); 1509 } 1510 1511 // Pack the OEM-specific call extras. 1512 profile.mCallExtras.putBundle(ImsCallProfile.EXTRA_OEM_EXTRAS, intentExtras); 1513 1514 // NOTE: Extras to be sent over the network are packed into the 1515 // intentExtras individually, with uniquely defined keys. 1516 // These key-value pairs are processed by IMS Service before 1517 // being sent to the lower layers/to the network. 1518 } 1519 1520 mPhone.getVoiceCallSessionStats().onImsDial(conn); 1521 1522 ImsCall imsCall = mImsManager.makeCall(profile, 1523 conn.isAdhocConference() ? conn.getParticipantsToDial() : callees, 1524 mImsCallListener); 1525 conn.setImsCall(imsCall); 1526 1527 mMetrics.writeOnImsCallStart(mPhone.getPhoneId(), imsCall.getSession()); 1528 1529 setVideoCallProvider(conn, imsCall); 1530 conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall); 1531 conn.setAllowHoldingVideoCall(mAllowHoldingVideoCall); 1532 } catch (ImsException e) { 1533 loge("dialInternal : " + e); 1534 mOperationLocalLog.log("dialInternal exception: " + e); 1535 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1536 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1537 retryGetImsService(); 1538 } catch (RemoteException e) { 1539 } 1540 } 1541 1542 /** 1543 * Accepts a call with the specified video state. The video state is the video state that the 1544 * user has agreed upon in the InCall UI. 1545 * 1546 * @param videoState The video State 1547 * @throws CallStateException 1548 */ acceptCall(int videoState)1549 public void acceptCall(int videoState) throws CallStateException { 1550 if (DBG) log("acceptCall"); 1551 mOperationLocalLog.log("accepted incoming call"); 1552 1553 if (mForegroundCall.getState().isAlive() 1554 && mBackgroundCall.getState().isAlive()) { 1555 throw new CallStateException("cannot accept call"); 1556 } 1557 1558 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 1559 && mForegroundCall.getState().isAlive()) { 1560 setMute(false); 1561 1562 boolean answeringWillDisconnect = false; 1563 ImsCall activeCall = mForegroundCall.getImsCall(); 1564 ImsCall ringingCall = mRingingCall.getImsCall(); 1565 if (mForegroundCall.hasConnections() && mRingingCall.hasConnections()) { 1566 answeringWillDisconnect = 1567 shouldDisconnectActiveCallOnAnswer(activeCall, ringingCall); 1568 } 1569 1570 // Cache video state for pending MT call. 1571 mPendingCallVideoState = videoState; 1572 1573 if (answeringWillDisconnect) { 1574 // We need to disconnect the foreground call before answering the background call. 1575 mForegroundCall.hangup(); 1576 mPhone.getVoiceCallSessionStats().onImsAcceptCall(mRingingCall.getConnections()); 1577 try { 1578 ringingCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 1579 } catch (ImsException e) { 1580 throw new CallStateException("cannot accept call"); 1581 } 1582 } else { 1583 holdActiveCallForWaitingCall(); 1584 } 1585 } else if (mRingingCall.getState().isRinging()) { 1586 if (DBG) log("acceptCall: incoming..."); 1587 // Always unmute when answering a new call 1588 setMute(false); 1589 try { 1590 ImsCall imsCall = mRingingCall.getImsCall(); 1591 if (imsCall != null) { 1592 mPhone.getVoiceCallSessionStats().onImsAcceptCall( 1593 mRingingCall.getConnections()); 1594 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 1595 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1596 ImsCommand.IMS_CMD_ACCEPT); 1597 } else { 1598 throw new CallStateException("no valid ims call"); 1599 } 1600 } catch (ImsException e) { 1601 throw new CallStateException("cannot accept call"); 1602 } 1603 } else { 1604 throw new CallStateException("phone not ringing"); 1605 } 1606 } 1607 rejectCall()1608 public void rejectCall () throws CallStateException { 1609 if (DBG) log("rejectCall"); 1610 mOperationLocalLog.log("rejected incoming call"); 1611 1612 if (mRingingCall.getState().isRinging()) { 1613 hangup(mRingingCall); 1614 } else { 1615 throw new CallStateException("phone not ringing"); 1616 } 1617 } 1618 1619 /** 1620 * Set the emergency call information if it is an emergency call. 1621 */ setEmergencyCallInfo(ImsCallProfile profile, Connection conn)1622 private void setEmergencyCallInfo(ImsCallProfile profile, Connection conn) { 1623 EmergencyNumber num = conn.getEmergencyNumberInfo(); 1624 if (num != null) { 1625 profile.setEmergencyCallInfo(num, conn.hasKnownUserIntentEmergency()); 1626 } 1627 } 1628 1629 @UnsupportedAppUsage switchAfterConferenceSuccess()1630 private void switchAfterConferenceSuccess() { 1631 if (DBG) log("switchAfterConferenceSuccess fg =" + mForegroundCall.getState() + 1632 ", bg = " + mBackgroundCall.getState()); 1633 1634 if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 1635 log("switchAfterConferenceSuccess"); 1636 mForegroundCall.switchWith(mBackgroundCall); 1637 } 1638 } 1639 holdActiveCallForPendingMo()1640 private void holdActiveCallForPendingMo() throws CallStateException { 1641 if (mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_HOLD 1642 || mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD) { 1643 logi("Ignoring hold request while already holding or swapping"); 1644 return; 1645 } 1646 HoldSwapState oldHoldState = mHoldSwitchingState; 1647 ImsCall callToHold = mForegroundCall.getImsCall(); 1648 1649 mHoldSwitchingState = HoldSwapState.HOLDING_TO_DIAL_OUTGOING; 1650 logHoldSwapState("holdActiveCallForPendingMo"); 1651 1652 mForegroundCall.switchWith(mBackgroundCall); 1653 try { 1654 callToHold.hold(); 1655 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), callToHold.getSession(), 1656 ImsCommand.IMS_CMD_HOLD); 1657 } catch (ImsException e) { 1658 mForegroundCall.switchWith(mBackgroundCall); 1659 mHoldSwitchingState = oldHoldState; 1660 logHoldSwapState("holdActiveCallForPendingMo - fail"); 1661 throw new CallStateException(e.getMessage()); 1662 } 1663 } 1664 1665 /** 1666 * Holds the active call, possibly resuming the already-held background call if it exists. 1667 */ holdActiveCall()1668 public void holdActiveCall() throws CallStateException { 1669 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 1670 if (mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_HOLD 1671 || mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD) { 1672 logi("Ignoring hold request while already holding or swapping"); 1673 return; 1674 } 1675 HoldSwapState oldHoldState = mHoldSwitchingState; 1676 ImsCall callToHold = mForegroundCall.getImsCall(); 1677 if (mBackgroundCall.getState().isAlive()) { 1678 mCallExpectedToResume = mBackgroundCall.getImsCall(); 1679 mHoldSwitchingState = HoldSwapState.SWAPPING_ACTIVE_AND_HELD; 1680 } else { 1681 mHoldSwitchingState = HoldSwapState.PENDING_SINGLE_CALL_HOLD; 1682 } 1683 logHoldSwapState("holdActiveCall"); 1684 mForegroundCall.switchWith(mBackgroundCall); 1685 try { 1686 callToHold.hold(); 1687 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), callToHold.getSession(), 1688 ImsCommand.IMS_CMD_HOLD); 1689 } catch (ImsException e) { 1690 mForegroundCall.switchWith(mBackgroundCall); 1691 mHoldSwitchingState = oldHoldState; 1692 logHoldSwapState("holdActiveCall - fail"); 1693 throw new CallStateException(e.getMessage()); 1694 } 1695 } 1696 } 1697 1698 /** 1699 * Hold the currently active call in order to answer the waiting call. 1700 */ holdActiveCallForWaitingCall()1701 public void holdActiveCallForWaitingCall() throws CallStateException { 1702 boolean switchingWithWaitingCall = !mBackgroundCall.getState().isAlive() 1703 && mRingingCall.getState() == ImsPhoneCall.State.WAITING; 1704 if (switchingWithWaitingCall) { 1705 ImsCall callToHold = mForegroundCall.getImsCall(); 1706 HoldSwapState oldHoldState = mHoldSwitchingState; 1707 mHoldSwitchingState = HoldSwapState.HOLDING_TO_ANSWER_INCOMING; 1708 mForegroundCall.switchWith(mBackgroundCall); 1709 logHoldSwapState("holdActiveCallForWaitingCall"); 1710 try { 1711 callToHold.hold(); 1712 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), callToHold.getSession(), 1713 ImsCommand.IMS_CMD_HOLD); 1714 } catch (ImsException e) { 1715 mForegroundCall.switchWith(mBackgroundCall); 1716 mHoldSwitchingState = oldHoldState; 1717 logHoldSwapState("holdActiveCallForWaitingCall - fail"); 1718 throw new CallStateException(e.getMessage()); 1719 } 1720 } 1721 } 1722 1723 /** 1724 * Unhold the currently held call. 1725 */ unholdHeldCall()1726 public void unholdHeldCall() throws CallStateException { 1727 ImsCall imsCall = mBackgroundCall.getImsCall(); 1728 if (mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_UNHOLD 1729 || mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD) { 1730 logi("Ignoring unhold request while already unholding or swapping"); 1731 return; 1732 } 1733 if (imsCall != null) { 1734 mCallExpectedToResume = imsCall; 1735 HoldSwapState oldHoldState = mHoldSwitchingState; 1736 mHoldSwitchingState = HoldSwapState.PENDING_SINGLE_CALL_UNHOLD; 1737 mForegroundCall.switchWith(mBackgroundCall); 1738 logHoldSwapState("unholdCurrentCall"); 1739 try { 1740 imsCall.resume(); 1741 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1742 ImsCommand.IMS_CMD_RESUME); 1743 } catch (ImsException e) { 1744 mForegroundCall.switchWith(mBackgroundCall); 1745 mHoldSwitchingState = oldHoldState; 1746 logHoldSwapState("unholdCurrentCall - fail"); 1747 throw new CallStateException(e.getMessage()); 1748 } 1749 } 1750 } 1751 resumeForegroundCall()1752 private void resumeForegroundCall() throws ImsException { 1753 //resume foreground call after holding background call 1754 //they were switched before holding 1755 ImsCall imsCall = mForegroundCall.getImsCall(); 1756 if (imsCall != null) { 1757 imsCall.resume(); 1758 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1759 ImsCommand.IMS_CMD_RESUME); 1760 } 1761 } 1762 answerWaitingCall()1763 private void answerWaitingCall() throws ImsException { 1764 //accept waiting call after holding background call 1765 ImsCall imsCall = mRingingCall.getImsCall(); 1766 if (imsCall != null) { 1767 mPhone.getVoiceCallSessionStats().onImsAcceptCall(mRingingCall.getConnections()); 1768 imsCall.accept( 1769 ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState)); 1770 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1771 ImsCommand.IMS_CMD_ACCEPT); 1772 } 1773 } 1774 1775 // Clean up expired cache entries. maintainConnectTimeCache()1776 private void maintainConnectTimeCache() { 1777 long threshold = SystemClock.elapsedRealtime() - TIMEOUT_PARTICIPANT_CONNECT_TIME_CACHE_MS; 1778 // The cached time is the system elapsed millisecond when the CacheEntry is created. 1779 mPhoneNumAndConnTime.entrySet().removeIf(e -> e.getValue().mCachedTime < threshold); 1780 // Remove all the cached records which are older than current caching threshold. Since the 1781 // queue is FIFO, keep polling records until the queue is empty or the head of the queue is 1782 // fresh enough. 1783 while (!mUnknownPeerConnTime.isEmpty() 1784 && mUnknownPeerConnTime.peek().mCachedTime < threshold) { 1785 mUnknownPeerConnTime.poll(); 1786 } 1787 } 1788 cacheConnectionTimeWithPhoneNumber(@onNull ImsPhoneConnection connection)1789 private void cacheConnectionTimeWithPhoneNumber(@NonNull ImsPhoneConnection connection) { 1790 int callDirection = 1791 connection.isIncoming() ? android.telecom.Call.Details.DIRECTION_INCOMING 1792 : android.telecom.Call.Details.DIRECTION_OUTGOING; 1793 CacheEntry cachedConnectTime = new CacheEntry(SystemClock.elapsedRealtime(), 1794 connection.getConnectTime(), connection.getConnectTimeReal(), callDirection); 1795 maintainConnectTimeCache(); 1796 if (PhoneConstants.PRESENTATION_ALLOWED == connection.getNumberPresentation()) { 1797 // In case of merging calls with the same number, use the latest connect time. Since 1798 // that call might be dropped and re-connected. So if the connectTime is earlier than 1799 // the cache, skip. 1800 String phoneNumber = getFormattedPhoneNumber(connection.getAddress()); 1801 if (mPhoneNumAndConnTime.containsKey(phoneNumber) 1802 && connection.getConnectTime() 1803 <= mPhoneNumAndConnTime.get(phoneNumber).mConnectTime) { 1804 // Use the latest connect time. 1805 return; 1806 } 1807 mPhoneNumAndConnTime.put(phoneNumber, cachedConnectTime); 1808 } else { 1809 mUnknownPeerConnTime.add(cachedConnectTime); 1810 } 1811 } 1812 findConnectionTimeUsePhoneNumber( @onNull ConferenceParticipant participant)1813 private CacheEntry findConnectionTimeUsePhoneNumber( 1814 @NonNull ConferenceParticipant participant) { 1815 maintainConnectTimeCache(); 1816 if (PhoneConstants.PRESENTATION_ALLOWED == participant.getParticipantPresentation()) { 1817 if (participant.getHandle() == null 1818 || participant.getHandle().getSchemeSpecificPart() == null) { 1819 return null; 1820 } 1821 1822 String number = ConferenceParticipant.getParticipantAddress(participant.getHandle(), 1823 getCountryIso()).getSchemeSpecificPart(); 1824 if (TextUtils.isEmpty(number)) { 1825 return null; 1826 } 1827 String formattedNumber = getFormattedPhoneNumber(number); 1828 return mPhoneNumAndConnTime.get(formattedNumber); 1829 } else { 1830 return mUnknownPeerConnTime.poll(); 1831 } 1832 } 1833 getFormattedPhoneNumber(String number)1834 private String getFormattedPhoneNumber(String number) { 1835 String countryIso = getCountryIso(); 1836 if (countryIso == null) { 1837 return number; 1838 } 1839 String phoneNumber = PhoneNumberUtils.formatNumberToE164(number, countryIso); 1840 return phoneNumber == null ? number : phoneNumber; 1841 } 1842 getCountryIso()1843 private String getCountryIso() { 1844 int subId = mPhone.getSubId(); 1845 SubscriptionInfo info = 1846 SubscriptionManager.from(mPhone.getContext()).getActiveSubscriptionInfo(subId); 1847 return info == null ? null : info.getCountryIso(); 1848 } 1849 1850 public void conference()1851 conference() { 1852 ImsCall fgImsCall = mForegroundCall.getImsCall(); 1853 if (fgImsCall == null) { 1854 log("conference no foreground ims call"); 1855 return; 1856 } 1857 1858 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 1859 if (bgImsCall == null) { 1860 log("conference no background ims call"); 1861 return; 1862 } 1863 1864 if (fgImsCall.isCallSessionMergePending()) { 1865 log("conference: skip; foreground call already in process of merging."); 1866 return; 1867 } 1868 1869 if (bgImsCall.isCallSessionMergePending()) { 1870 log("conference: skip; background call already in process of merging."); 1871 return; 1872 } 1873 1874 // Keep track of the connect time of the earliest call so that it can be set on the 1875 // {@code ImsConference} when it is created. 1876 long foregroundConnectTime = mForegroundCall.getEarliestConnectTime(); 1877 long backgroundConnectTime = mBackgroundCall.getEarliestConnectTime(); 1878 long conferenceConnectTime; 1879 if (foregroundConnectTime > 0 && backgroundConnectTime > 0) { 1880 conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 1881 mBackgroundCall.getEarliestConnectTime()); 1882 log("conference - using connect time = " + conferenceConnectTime); 1883 } else if (foregroundConnectTime > 0) { 1884 log("conference - bg call connect time is 0; using fg = " + foregroundConnectTime); 1885 conferenceConnectTime = foregroundConnectTime; 1886 } else { 1887 log("conference - fg call connect time is 0; using bg = " + backgroundConnectTime); 1888 conferenceConnectTime = backgroundConnectTime; 1889 } 1890 1891 String foregroundId = ""; 1892 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 1893 if (foregroundConnection != null) { 1894 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 1895 foregroundConnection.handleMergeStart(); 1896 foregroundId = foregroundConnection.getTelecomCallId(); 1897 cacheConnectionTimeWithPhoneNumber(foregroundConnection); 1898 } 1899 String backgroundId = ""; 1900 ImsPhoneConnection backgroundConnection = findConnection(bgImsCall); 1901 if (backgroundConnection != null) { 1902 backgroundConnection.handleMergeStart(); 1903 backgroundId = backgroundConnection.getTelecomCallId(); 1904 cacheConnectionTimeWithPhoneNumber(backgroundConnection); 1905 } 1906 log("conference: fgCallId=" + foregroundId + ", bgCallId=" + backgroundId); 1907 mOperationLocalLog.log("conference: fgCallId=" + foregroundId + ", bgCallId=" 1908 + backgroundId); 1909 1910 try { 1911 fgImsCall.merge(bgImsCall); 1912 } catch (ImsException e) { 1913 log("conference " + e.getMessage()); 1914 } 1915 } 1916 1917 /** 1918 * Connects the two calls and disconnects the subscriber from both calls. Throws a 1919 * {@link CallStateException} if there is an issue. 1920 * @throws CallStateException 1921 */ explicitCallTransfer()1922 public void explicitCallTransfer() throws CallStateException { 1923 ImsCall fgImsCall = mForegroundCall.getImsCall(); 1924 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 1925 if ((fgImsCall == null) || (bgImsCall == null) || !canTransfer()) { 1926 throw new CallStateException("cannot transfer"); 1927 } 1928 1929 try { 1930 fgImsCall.consultativeTransfer(bgImsCall); 1931 } catch (ImsException e) { 1932 throw new CallStateException(e.getMessage()); 1933 } 1934 } 1935 1936 @UnsupportedAppUsage 1937 public void clearDisconnected()1938 clearDisconnected() { 1939 if (DBG) log("clearDisconnected"); 1940 1941 internalClearDisconnected(); 1942 1943 updatePhoneState(); 1944 mPhone.notifyPreciseCallStateChanged(); 1945 } 1946 1947 public boolean canConference()1948 canConference() { 1949 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 1950 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 1951 && !mBackgroundCall.isFull() 1952 && !mForegroundCall.isFull(); 1953 } 1954 canAddVideoCallDuringImsAudioCall(int videoState)1955 private boolean canAddVideoCallDuringImsAudioCall(int videoState) { 1956 if (mAllowHoldingVideoCall) { 1957 return true; 1958 } 1959 1960 ImsCall call = mForegroundCall.getImsCall(); 1961 if (call == null) { 1962 call = mBackgroundCall.getImsCall(); 1963 } 1964 1965 boolean isImsAudioCallActiveOrHolding = (mForegroundCall.getState() == Call.State.ACTIVE || 1966 mBackgroundCall.getState() == Call.State.HOLDING) && call != null && 1967 !call.isVideoCall(); 1968 1969 /* return TRUE if there doesn't exist ims audio call in either active 1970 or hold states */ 1971 return !isImsAudioCallActiveOrHolding || !VideoProfile.isVideo(videoState); 1972 } 1973 1974 /** 1975 * Determines if there are issues which would preclude dialing an outgoing call. Throws a 1976 * {@link CallStateException} if there is an issue. 1977 * @throws CallStateException 1978 */ checkForDialIssues()1979 public void checkForDialIssues() throws CallStateException { 1980 boolean disableCall = TelephonyProperties.disable_call().orElse(false); 1981 if (disableCall) { 1982 throw new CallStateException(CallStateException.ERROR_CALLING_DISABLED, 1983 "ro.telephony.disable-call has been used to disable calling."); 1984 } 1985 if (mPendingMO != null) { 1986 throw new CallStateException(CallStateException.ERROR_ALREADY_DIALING, 1987 "Another outgoing call is already being dialed."); 1988 } 1989 if (mRingingCall.isRinging()) { 1990 throw new CallStateException(CallStateException.ERROR_CALL_RINGING, 1991 "Can't place a call while another is ringing."); 1992 } 1993 if (mForegroundCall.getState().isAlive() & mBackgroundCall.getState().isAlive()) { 1994 throw new CallStateException(CallStateException.ERROR_TOO_MANY_CALLS, 1995 "Already an active foreground and background call."); 1996 } 1997 } 1998 1999 public boolean canTransfer()2000 canTransfer() { 2001 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 2002 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 2003 } 2004 2005 //***** Private Instance Methods 2006 2007 private void internalClearDisconnected()2008 internalClearDisconnected() { 2009 mRingingCall.clearDisconnected(); 2010 mForegroundCall.clearDisconnected(); 2011 mBackgroundCall.clearDisconnected(); 2012 mHandoverCall.clearDisconnected(); 2013 } 2014 2015 @UnsupportedAppUsage 2016 private void updatePhoneState()2017 updatePhoneState() { 2018 PhoneConstants.State oldState = mState; 2019 2020 boolean isPendingMOIdle = mPendingMO == null || !mPendingMO.getState().isAlive(); 2021 2022 if (mRingingCall.isRinging()) { 2023 mState = PhoneConstants.State.RINGING; 2024 } else if (!isPendingMOIdle || !mForegroundCall.isIdle() || !mBackgroundCall.isIdle()) { 2025 // There is a non-idle call, so we're off the hook. 2026 mState = PhoneConstants.State.OFFHOOK; 2027 } else { 2028 mState = PhoneConstants.State.IDLE; 2029 } 2030 2031 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 2032 mVoiceCallEndedRegistrants.notifyRegistrants( 2033 new AsyncResult(null, null, null)); 2034 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 2035 mVoiceCallStartedRegistrants.notifyRegistrants ( 2036 new AsyncResult(null, null, null)); 2037 } 2038 2039 if (DBG) { 2040 log("updatePhoneState pendingMo = " + (mPendingMO == null ? "null" 2041 : mPendingMO.getState()) + ", fg= " + mForegroundCall.getState() + "(" 2042 + mForegroundCall.getConnectionsCount() + "), bg= " + mBackgroundCall 2043 .getState() + "(" + mBackgroundCall.getConnectionsCount() + ")"); 2044 log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 2045 } 2046 2047 if (mState != oldState) { 2048 mPhone.notifyPhoneStateChanged(); 2049 mMetrics.writePhoneState(mPhone.getPhoneId(), mState); 2050 notifyPhoneStateChanged(oldState, mState); 2051 } 2052 } 2053 2054 private void handleRadioNotAvailable()2055 handleRadioNotAvailable() { 2056 // handlePollCalls will clear out its 2057 // call list when it gets the CommandException 2058 // error result from this 2059 pollCallsWhenSafe(); 2060 } 2061 2062 private void dumpState()2063 dumpState() { 2064 List l; 2065 2066 log("Phone State:" + mState); 2067 2068 log("Ringing call: " + mRingingCall.toString()); 2069 2070 l = mRingingCall.getConnections(); 2071 for (int i = 0, s = l.size(); i < s; i++) { 2072 log(l.get(i).toString()); 2073 } 2074 2075 log("Foreground call: " + mForegroundCall.toString()); 2076 2077 l = mForegroundCall.getConnections(); 2078 for (int i = 0, s = l.size(); i < s; i++) { 2079 log(l.get(i).toString()); 2080 } 2081 2082 log("Background call: " + mBackgroundCall.toString()); 2083 2084 l = mBackgroundCall.getConnections(); 2085 for (int i = 0, s = l.size(); i < s; i++) { 2086 log(l.get(i).toString()); 2087 } 2088 2089 } 2090 2091 //***** Called from ImsPhone 2092 /** 2093 * Set the TTY mode. This is the actual tty mode (varies depending on peripheral status) 2094 */ setTtyMode(int ttyMode)2095 public void setTtyMode(int ttyMode) { 2096 if (mImsManager == null) { 2097 Log.w(LOG_TAG, "ImsManager is null when setting TTY mode"); 2098 return; 2099 } 2100 2101 try { 2102 mImsManager.setTtyMode(ttyMode); 2103 } catch (ImsException e) { 2104 loge("setTtyMode : " + e); 2105 retryGetImsService(); 2106 } 2107 } 2108 2109 /** 2110 * Sets the UI TTY mode. This is the preferred TTY mode that the user sets in the call 2111 * settings screen. 2112 */ setUiTTYMode(int uiTtyMode, Message onComplete)2113 public void setUiTTYMode(int uiTtyMode, Message onComplete) { 2114 if (mImsManager == null) { 2115 mPhone.sendErrorResponse(onComplete, getImsManagerIsNullException()); 2116 return; 2117 } 2118 2119 try { 2120 mImsManager.setUiTTYMode(mPhone.getContext(), uiTtyMode, onComplete); 2121 } catch (ImsException e) { 2122 loge("setUITTYMode : " + e); 2123 mPhone.sendErrorResponse(onComplete, e); 2124 retryGetImsService(); 2125 } 2126 } 2127 setMute(boolean mute)2128 public void setMute(boolean mute) { 2129 mDesiredMute = mute; 2130 mForegroundCall.setMute(mute); 2131 } 2132 getMute()2133 public boolean getMute() { 2134 return mDesiredMute; 2135 } 2136 2137 /** 2138 * Sends a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>, 2139 * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15, 2140 * and event flash to 16. Currently, event flash is not supported. 2141 * 2142 * @param c that represents the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs. 2143 * @param result the result message to send when done. If non-null, the {@link Message} must 2144 * contain a valid {@link android.os.Messenger} in the {@link Message#replyTo} field, 2145 * since this can be used across IPC boundaries. 2146 */ sendDtmf(char c, Message result)2147 public void sendDtmf(char c, Message result) { 2148 if (DBG) log("sendDtmf"); 2149 2150 ImsCall imscall = mForegroundCall.getImsCall(); 2151 if (imscall != null) { 2152 imscall.sendDtmf(c, result); 2153 } 2154 } 2155 2156 public void startDtmf(char c)2157 startDtmf(char c) { 2158 if (DBG) log("startDtmf"); 2159 2160 ImsCall imscall = mForegroundCall.getImsCall(); 2161 if (imscall != null) { 2162 imscall.startDtmf(c); 2163 } else { 2164 loge("startDtmf : no foreground call"); 2165 } 2166 } 2167 2168 public void stopDtmf()2169 stopDtmf() { 2170 if (DBG) log("stopDtmf"); 2171 2172 ImsCall imscall = mForegroundCall.getImsCall(); 2173 if (imscall != null) { 2174 imscall.stopDtmf(); 2175 } else { 2176 loge("stopDtmf : no foreground call"); 2177 } 2178 } 2179 2180 //***** Called from ImsPhoneConnection 2181 hangup(ImsPhoneConnection conn)2182 public void hangup (ImsPhoneConnection conn) throws CallStateException { 2183 if (DBG) log("hangup connection"); 2184 2185 if (conn.getOwner() != this) { 2186 throw new CallStateException ("ImsPhoneConnection " + conn 2187 + "does not belong to ImsPhoneCallTracker " + this); 2188 } 2189 2190 hangup(conn.getCall()); 2191 } 2192 2193 //***** Called from ImsPhoneCall 2194 hangup(ImsPhoneCall call)2195 public void hangup (ImsPhoneCall call) throws CallStateException { 2196 hangup(call, android.telecom.Call.REJECT_REASON_DECLINED); 2197 } 2198 hangup(ImsPhoneCall call, @android.telecom.Call.RejectReason int rejectReason)2199 public void hangup (ImsPhoneCall call, @android.telecom.Call.RejectReason int rejectReason) 2200 throws CallStateException { 2201 if (DBG) log("hangup call - reason=" + rejectReason); 2202 2203 if (call.getConnectionsCount() == 0) { 2204 throw new CallStateException("no connections"); 2205 } 2206 2207 ImsCall imsCall = call.getImsCall(); 2208 boolean rejectCall = false; 2209 2210 if (call == mRingingCall) { 2211 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 2212 rejectCall = true; 2213 } else if (call == mForegroundCall) { 2214 if (call.isDialingOrAlerting()) { 2215 if (Phone.DEBUG_PHONE) { 2216 log("(foregnd) hangup dialing or alerting..."); 2217 } 2218 } else { 2219 if (Phone.DEBUG_PHONE) { 2220 log("(foregnd) hangup foreground"); 2221 } 2222 //held call will be resumed by onCallTerminated 2223 } 2224 } else if (call == mBackgroundCall) { 2225 if (Phone.DEBUG_PHONE) { 2226 log("(backgnd) hangup waiting or background"); 2227 } 2228 } else if (call == mHandoverCall) { 2229 if (Phone.DEBUG_PHONE) { 2230 log("(handover) hangup handover (SRVCC) call"); 2231 } 2232 } else { 2233 throw new CallStateException ("ImsPhoneCall " + call + 2234 "does not belong to ImsPhoneCallTracker " + this); 2235 } 2236 2237 call.onHangupLocal(); 2238 2239 try { 2240 if (imsCall != null) { 2241 if (rejectCall) { 2242 if (rejectReason == android.telecom.Call.REJECT_REASON_UNWANTED) { 2243 imsCall.reject(ImsReasonInfo.CODE_SIP_USER_MARKED_UNWANTED); 2244 } else { 2245 imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 2246 } 2247 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 2248 ImsCommand.IMS_CMD_REJECT); 2249 } else { 2250 imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 2251 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 2252 ImsCommand.IMS_CMD_TERMINATE); 2253 } 2254 } else if (mPendingMO != null && call == mForegroundCall) { 2255 // is holding a foreground call 2256 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 2257 mPendingMO.onDisconnect(); 2258 removeConnection(mPendingMO); 2259 mPendingMO = null; 2260 updatePhoneState(); 2261 removeMessages(EVENT_DIAL_PENDINGMO); 2262 } 2263 } catch (ImsException e) { 2264 throw new CallStateException(e.getMessage()); 2265 } 2266 2267 mPhone.notifyPreciseCallStateChanged(); 2268 } 2269 callEndCleanupHandOverCallIfAny()2270 void callEndCleanupHandOverCallIfAny() { 2271 List<Connection> connections = mHandoverCall.getConnections(); 2272 if (connections.size() > 0) { 2273 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 2274 + mHandoverCall.getConnections()); 2275 mHandoverCall.clearConnections(); 2276 mConnections.clear(); 2277 mState = PhoneConstants.State.IDLE; 2278 } 2279 } 2280 2281 sendUSSD(String ussdString, Message response)2282 public void sendUSSD (String ussdString, Message response) { 2283 if (DBG) log("sendUSSD"); 2284 2285 try { 2286 if (mUssdSession != null) { 2287 // Doesn't need mPendingUssd here. Listeners would use it if not null. 2288 mPendingUssd = null; 2289 mUssdSession.sendUssd(ussdString); 2290 AsyncResult.forMessage(response, null, null); 2291 response.sendToTarget(); 2292 return; 2293 } 2294 2295 if (mImsManager == null) { 2296 mPhone.sendErrorResponse(response, getImsManagerIsNullException()); 2297 return; 2298 } 2299 2300 String[] callees = new String[] { ussdString }; 2301 ImsCallProfile profile = mImsManager.createCallProfile( 2302 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 2303 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 2304 ImsCallProfile.DIALSTRING_USSD); 2305 2306 mUssdSession = mImsManager.makeCall(profile, callees, mImsUssdListener); 2307 mPendingUssd = response; 2308 if (DBG) log("pending ussd updated, " + mPendingUssd); 2309 } catch (ImsException e) { 2310 loge("sendUSSD : " + e); 2311 mPhone.sendErrorResponse(response, e); 2312 retryGetImsService(); 2313 } 2314 } 2315 2316 /** 2317 * Cancel USSD session. 2318 * 2319 * @param msg The message to dispatch when the USSD session terminated. 2320 */ cancelUSSD(Message msg)2321 public void cancelUSSD(Message msg) { 2322 if (mUssdSession == null) return; 2323 mPendingUssd = msg; 2324 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 2325 } 2326 2327 @UnsupportedAppUsage findConnection(final ImsCall imsCall)2328 private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) { 2329 for (ImsPhoneConnection conn : mConnections) { 2330 if (conn.getImsCall() == imsCall) { 2331 return conn; 2332 } 2333 } 2334 return null; 2335 } 2336 2337 @UnsupportedAppUsage removeConnection(ImsPhoneConnection conn)2338 private synchronized void removeConnection(ImsPhoneConnection conn) { 2339 mConnections.remove(conn); 2340 // If not emergency call is remaining, notify emergency call registrants 2341 if (mIsInEmergencyCall) { 2342 boolean isEmergencyCallInList = false; 2343 // if no emergency calls pending, set this to false 2344 for (ImsPhoneConnection imsPhoneConnection : mConnections) { 2345 if (imsPhoneConnection != null && imsPhoneConnection.isEmergency() == true) { 2346 isEmergencyCallInList = true; 2347 break; 2348 } 2349 } 2350 2351 if (!isEmergencyCallInList) { 2352 if (mPhone.isEcmCanceledForEmergency()) { 2353 mPhone.handleTimerInEmergencyCallbackMode(ImsPhone.RESTART_ECM_TIMER); 2354 } 2355 mIsInEmergencyCall = false; 2356 mPhone.sendEmergencyCallStateChange(false); 2357 } 2358 } 2359 } 2360 2361 @UnsupportedAppUsage addConnection(ImsPhoneConnection conn)2362 private synchronized void addConnection(ImsPhoneConnection conn) { 2363 mConnections.add(conn); 2364 if (conn.isEmergency()) { 2365 mIsInEmergencyCall = true; 2366 mPhone.sendEmergencyCallStateChange(true); 2367 } 2368 } 2369 2370 @UnsupportedAppUsage processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause)2371 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 2372 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 2373 // This method is called on onCallUpdate() where there is not necessarily a call state 2374 // change. In these situations, we'll ignore the state related updates and only process 2375 // the change in media capabilities (as expected). The default is to not ignore state 2376 // changes so we do not change existing behavior. 2377 processCallStateChange(imsCall, state, cause, false /* do not ignore state update */); 2378 } 2379 2380 @UnsupportedAppUsage processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause, boolean ignoreState)2381 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause, 2382 boolean ignoreState) { 2383 if (DBG) { 2384 log("processCallStateChange state=" + state + " cause=" + cause 2385 + " ignoreState=" + ignoreState); 2386 } 2387 2388 if (imsCall == null) return; 2389 2390 boolean changed = false; 2391 ImsPhoneConnection conn = findConnection(imsCall); 2392 2393 if (conn == null) { 2394 // TODO : what should be done? 2395 return; 2396 } 2397 2398 // processCallStateChange is triggered for onCallUpdated as well. 2399 // onCallUpdated should not modify the state of the call 2400 // It should modify only other capabilities of call through updateMediaCapabilities 2401 // State updates will be triggered through individual callbacks 2402 // i.e. onCallHeld, onCallResume, etc and conn.update will be responsible for the update 2403 conn.updateMediaCapabilities(imsCall); 2404 if (ignoreState) { 2405 conn.updateAddressDisplay(imsCall); 2406 conn.updateExtras(imsCall); 2407 2408 maybeSetVideoCallProvider(conn, imsCall); 2409 return; 2410 } 2411 2412 changed = conn.update(imsCall, state); 2413 if (state == ImsPhoneCall.State.DISCONNECTED) { 2414 changed = conn.onDisconnect(cause) || changed; 2415 //detach the disconnected connections 2416 conn.getCall().detach(conn); 2417 removeConnection(conn); 2418 } 2419 2420 if (changed) { 2421 if (conn.getCall() == mHandoverCall) return; 2422 updatePhoneState(); 2423 mPhone.notifyPreciseCallStateChanged(); 2424 } 2425 } 2426 maybeSetVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall)2427 private void maybeSetVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) { 2428 android.telecom.Connection.VideoProvider connVideoProvider = conn.getVideoProvider(); 2429 if (connVideoProvider != null || imsCall.getCallSession().getVideoCallProvider() == null) { 2430 return; 2431 } 2432 2433 try { 2434 setVideoCallProvider(conn, imsCall); 2435 } catch (RemoteException e) { 2436 loge("maybeSetVideoCallProvider: exception " + e); 2437 } 2438 } 2439 2440 /** 2441 * Adds a reason code remapping, for test purposes. 2442 * 2443 * @param fromCode The from code, or {@code null} if all. 2444 * @param message The message to map. 2445 * @param toCode The code to remap to. 2446 */ 2447 @VisibleForTesting addReasonCodeRemapping(Integer fromCode, String message, Integer toCode)2448 public void addReasonCodeRemapping(Integer fromCode, String message, Integer toCode) { 2449 if (message != null) { 2450 message = message.toLowerCase(); 2451 } 2452 mImsReasonCodeMap.put(new Pair<>(fromCode, message), toCode); 2453 } 2454 2455 /** 2456 * Returns the {@link ImsReasonInfo#getCode()}, potentially remapping to a new value based on 2457 * the {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()}. 2458 * 2459 * See {@link #mImsReasonCodeMap}. 2460 * 2461 * @param reasonInfo The {@link ImsReasonInfo}. 2462 * @return The remapped code. 2463 */ 2464 @VisibleForTesting maybeRemapReasonCode(ImsReasonInfo reasonInfo)2465 public @ImsReasonInfo.ImsCode int maybeRemapReasonCode(ImsReasonInfo reasonInfo) { 2466 int code = reasonInfo.getCode(); 2467 String reason = reasonInfo.getExtraMessage(); 2468 if (reason == null) { 2469 reason = ""; 2470 } else { 2471 reason = reason.toLowerCase(); 2472 } 2473 log("maybeRemapReasonCode : fromCode = " + reasonInfo.getCode() + " ; message = " 2474 + reason); 2475 Pair<Integer, String> toCheck = new Pair<>(code, reason); 2476 Pair<Integer, String> wildcardToCheck = new Pair<>(null, reason); 2477 if (mImsReasonCodeMap.containsKey(toCheck)) { 2478 int toCode = mImsReasonCodeMap.get(toCheck); 2479 2480 log("maybeRemapReasonCode : fromCode = " + reasonInfo.getCode() + " ; message = " 2481 + reason + " ; toCode = " + toCode); 2482 return toCode; 2483 } else if (!reason.isEmpty() && mImsReasonCodeMap.containsKey(wildcardToCheck)) { 2484 // Handle the case where a wildcard is specified for the fromCode; in this case we will 2485 // match without caring about the fromCode. 2486 // If the reason is empty, we won't do wildcard remapping; otherwise we'd basically be 2487 // able to remap all ImsReasonInfo codes to a single code, which is not desirable. 2488 int toCode = mImsReasonCodeMap.get(wildcardToCheck); 2489 2490 log("maybeRemapReasonCode : fromCode(wildcard) = " + reasonInfo.getCode() + 2491 " ; message = " + reason + " ; toCode = " + toCode); 2492 return toCode; 2493 } 2494 return code; 2495 } 2496 2497 /** 2498 * Maps an {@link ImsReasonInfo} reason code to a {@link DisconnectCause} cause code. 2499 * The {@link Call.State} provided is the state of the call prior to disconnection. 2500 * @param reasonInfo the {@link ImsReasonInfo} for the disconnection. 2501 * @param callState The {@link Call.State} prior to disconnection. 2502 * @return The {@link DisconnectCause} code. 2503 */ 2504 @VisibleForTesting getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo, Call.State callState)2505 public int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo, Call.State callState) { 2506 int cause = DisconnectCause.ERROR_UNSPECIFIED; 2507 2508 int code = maybeRemapReasonCode(reasonInfo); 2509 switch (code) { 2510 case ImsReasonInfo.CODE_SIP_ALTERNATE_EMERGENCY_CALL: 2511 return DisconnectCause.IMS_SIP_ALTERNATE_EMERGENCY_CALL; 2512 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 2513 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 2514 return DisconnectCause.NUMBER_UNREACHABLE; 2515 2516 case ImsReasonInfo.CODE_SIP_BUSY: 2517 return DisconnectCause.BUSY; 2518 2519 case ImsReasonInfo.CODE_USER_TERMINATED: 2520 return DisconnectCause.LOCAL; 2521 2522 case ImsReasonInfo.CODE_LOCAL_ENDED_BY_CONFERENCE_MERGE: 2523 return DisconnectCause.IMS_MERGED_SUCCESSFULLY; 2524 2525 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 2526 case ImsReasonInfo.CODE_REMOTE_CALL_DECLINE: 2527 // If the call has been declined locally (on this device), or on remotely (on 2528 // another device using multiendpoint functionality), mark it as rejected. 2529 return DisconnectCause.INCOMING_REJECTED; 2530 2531 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 2532 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 2533 return DisconnectCause.NORMAL; 2534 2535 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 2536 return DisconnectCause.SERVER_ERROR; 2537 2538 case ImsReasonInfo.CODE_SIP_REDIRECTED: 2539 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 2540 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 2541 return DisconnectCause.SERVER_ERROR; 2542 2543 case ImsReasonInfo.CODE_EMERGENCY_CALL_OVER_WFC_NOT_AVAILABLE: 2544 return DisconnectCause.EMERGENCY_CALL_OVER_WFC_NOT_AVAILABLE; 2545 2546 case ImsReasonInfo.CODE_WFC_SERVICE_NOT_AVAILABLE_IN_THIS_LOCATION: 2547 return DisconnectCause.WFC_SERVICE_NOT_AVAILABLE_IN_THIS_LOCATION; 2548 2549 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 2550 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 2551 return DisconnectCause.SERVER_UNREACHABLE; 2552 2553 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 2554 return DisconnectCause.INVALID_NUMBER; 2555 2556 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 2557 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 2558 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 2559 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 2560 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 2561 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 2562 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 2563 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 2564 return DisconnectCause.OUT_OF_SERVICE; 2565 2566 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 2567 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 2568 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 2569 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 2570 return DisconnectCause.TIMED_OUT; 2571 2572 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 2573 return DisconnectCause.POWER_OFF; 2574 2575 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 2576 case ImsReasonInfo.CODE_LOW_BATTERY: { 2577 if (callState == Call.State.DIALING) { 2578 return DisconnectCause.DIAL_LOW_BATTERY; 2579 } else { 2580 return DisconnectCause.LOW_BATTERY; 2581 } 2582 } 2583 2584 case ImsReasonInfo.CODE_CALL_BARRED: 2585 return DisconnectCause.CALL_BARRED; 2586 2587 case ImsReasonInfo.CODE_FDN_BLOCKED: 2588 return DisconnectCause.FDN_BLOCKED; 2589 2590 case ImsReasonInfo.CODE_IMEI_NOT_ACCEPTED: 2591 return DisconnectCause.IMEI_NOT_ACCEPTED; 2592 2593 case ImsReasonInfo.CODE_ANSWERED_ELSEWHERE: 2594 return DisconnectCause.ANSWERED_ELSEWHERE; 2595 2596 case ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL: 2597 return DisconnectCause.CALL_PULLED; 2598 2599 case ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED: 2600 return DisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED; 2601 2602 case ImsReasonInfo.CODE_DATA_DISABLED: 2603 return DisconnectCause.DATA_DISABLED; 2604 2605 case ImsReasonInfo.CODE_DATA_LIMIT_REACHED: 2606 return DisconnectCause.DATA_LIMIT_REACHED; 2607 2608 case ImsReasonInfo.CODE_WIFI_LOST: 2609 return DisconnectCause.WIFI_LOST; 2610 2611 case ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED: 2612 return DisconnectCause.IMS_ACCESS_BLOCKED; 2613 2614 case ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE: 2615 return DisconnectCause.EMERGENCY_TEMP_FAILURE; 2616 2617 case ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE: 2618 return DisconnectCause.EMERGENCY_PERM_FAILURE; 2619 2620 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_USSD: 2621 return DisconnectCause.DIAL_MODIFIED_TO_USSD; 2622 2623 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_SS: 2624 return DisconnectCause.DIAL_MODIFIED_TO_SS; 2625 2626 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_DIAL: 2627 return DisconnectCause.DIAL_MODIFIED_TO_DIAL; 2628 2629 case ImsReasonInfo.CODE_DIAL_MODIFIED_TO_DIAL_VIDEO: 2630 return DisconnectCause.DIAL_MODIFIED_TO_DIAL_VIDEO; 2631 2632 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_DIAL: 2633 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_DIAL; 2634 2635 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO: 2636 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_DIAL_VIDEO; 2637 2638 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_SS: 2639 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_SS; 2640 2641 case ImsReasonInfo.CODE_DIAL_VIDEO_MODIFIED_TO_USSD: 2642 return DisconnectCause.DIAL_VIDEO_MODIFIED_TO_USSD; 2643 2644 case ImsReasonInfo.CODE_UNOBTAINABLE_NUMBER: 2645 return DisconnectCause.UNOBTAINABLE_NUMBER; 2646 2647 case ImsReasonInfo.CODE_MEDIA_NO_DATA: 2648 return DisconnectCause.MEDIA_TIMEOUT; 2649 2650 case ImsReasonInfo.CODE_UNSPECIFIED: 2651 if (mPhone.getDefaultPhone().getServiceStateTracker().mRestrictedState 2652 .isCsRestricted()) { 2653 return DisconnectCause.CS_RESTRICTED; 2654 } else if (mPhone.getDefaultPhone().getServiceStateTracker().mRestrictedState 2655 .isCsEmergencyRestricted()) { 2656 return DisconnectCause.CS_RESTRICTED_EMERGENCY; 2657 } else if (mPhone.getDefaultPhone().getServiceStateTracker().mRestrictedState 2658 .isCsNormalRestricted()) { 2659 return DisconnectCause.CS_RESTRICTED_NORMAL; 2660 } 2661 break; 2662 2663 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 2664 case ImsReasonInfo.CODE_REJECT_CALL_ON_OTHER_SUB: 2665 case ImsReasonInfo.CODE_REJECT_ONGOING_E911_CALL: 2666 case ImsReasonInfo.CODE_REJECT_ONGOING_CALL_SETUP: 2667 case ImsReasonInfo.CODE_REJECT_MAX_CALL_LIMIT_REACHED: 2668 case ImsReasonInfo.CODE_REJECT_ONGOING_CALL_TRANSFER: 2669 case ImsReasonInfo.CODE_REJECT_ONGOING_CONFERENCE_CALL: 2670 case ImsReasonInfo.CODE_REJECT_ONGOING_HANDOVER: 2671 case ImsReasonInfo.CODE_REJECT_ONGOING_CALL_UPGRADE: 2672 return DisconnectCause.INCOMING_AUTO_REJECTED; 2673 2674 default: 2675 } 2676 2677 return cause; 2678 } 2679 getPreciseDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo)2680 private int getPreciseDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 2681 return PRECISE_CAUSE_MAP.get(maybeRemapReasonCode(reasonInfo), 2682 CallFailCause.ERROR_UNSPECIFIED); 2683 } 2684 2685 /** 2686 * @return true if the phone is in Emergency Callback mode, otherwise false 2687 */ isPhoneInEcbMode()2688 private boolean isPhoneInEcbMode() { 2689 return mPhone != null && mPhone.isInEcm(); 2690 } 2691 2692 /** 2693 * Before dialing pending MO request, check for the Emergency Callback mode. 2694 * If device is in Emergency callback mode, then exit the mode before dialing pending MO. 2695 */ 2696 @UnsupportedAppUsage dialPendingMO()2697 private void dialPendingMO() { 2698 boolean isPhoneInEcmMode = isPhoneInEcbMode(); 2699 boolean isEmergencyNumber = mPendingMO.isEmergency(); 2700 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 2701 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 2702 } else { 2703 sendEmptyMessage(EVENT_EXIT_ECBM_BEFORE_PENDINGMO); 2704 } 2705 } 2706 2707 /** 2708 * Listen to the IMS call state change 2709 */ 2710 @UnsupportedAppUsage 2711 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 2712 @Override 2713 public void onCallProgressing(ImsCall imsCall) { 2714 if (DBG) log("onCallProgressing"); 2715 2716 mPendingMO = null; 2717 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 2718 DisconnectCause.NOT_DISCONNECTED); 2719 mMetrics.writeOnImsCallProgressing(mPhone.getPhoneId(), imsCall.getCallSession()); 2720 } 2721 2722 @Override 2723 public void onCallStarted(ImsCall imsCall) { 2724 if (DBG) log("onCallStarted"); 2725 2726 if (mHoldSwitchingState == HoldSwapState.HOLDING_TO_ANSWER_INCOMING) { 2727 // If we put a call on hold to answer an incoming call, we should reset the 2728 // variables that keep track of the switch here. 2729 if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) { 2730 if (DBG) log("onCallStarted: starting a call as a result of a switch."); 2731 mHoldSwitchingState = HoldSwapState.INACTIVE; 2732 mCallExpectedToResume = null; 2733 logHoldSwapState("onCallStarted"); 2734 } 2735 } 2736 2737 mPendingMO = null; 2738 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 2739 DisconnectCause.NOT_DISCONNECTED); 2740 2741 if (mNotifyVtHandoverToWifiFail && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 2742 if (isWifiConnected()) { 2743 // Schedule check to see if handover succeeded. 2744 sendMessageDelayed(obtainMessage(EVENT_CHECK_FOR_WIFI_HANDOVER, imsCall), 2745 HANDOVER_TO_WIFI_TIMEOUT_MS); 2746 mHasAttemptedStartOfCallHandover = false; 2747 } else { 2748 // No wifi connectivity, so keep track of network availability for potential 2749 // handover. 2750 registerForConnectivityChanges(); 2751 // No WIFI, so assume we've already attempted a handover. 2752 mHasAttemptedStartOfCallHandover = true; 2753 } 2754 } 2755 mMetrics.writeOnImsCallStarted(mPhone.getPhoneId(), imsCall.getCallSession()); 2756 } 2757 2758 @Override 2759 public void onCallUpdated(ImsCall imsCall) { 2760 if (DBG) log("onCallUpdated"); 2761 if (imsCall == null) { 2762 return; 2763 } 2764 ImsPhoneConnection conn = findConnection(imsCall); 2765 if (conn != null) { 2766 if (DBG) log("onCallUpdated: profile is " + imsCall.getCallProfile()); 2767 processCallStateChange(imsCall, conn.getCall().mState, 2768 DisconnectCause.NOT_DISCONNECTED, true /*ignore state update*/); 2769 mMetrics.writeImsCallState(mPhone.getPhoneId(), 2770 imsCall.getCallSession(), conn.getCall().mState); 2771 mPhone.getVoiceCallSessionStats().onCallStateChanged(conn.getCall()); 2772 } 2773 } 2774 2775 /** 2776 * onCallStartFailed will be invoked when: 2777 * case 1) Dialing fails 2778 * case 2) Ringing call is disconnected by local or remote user 2779 */ 2780 @Override 2781 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2782 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 2783 2784 if (mHoldSwitchingState == HoldSwapState.HOLDING_TO_ANSWER_INCOMING) { 2785 // If we put a call on hold to answer an incoming call, we should reset the 2786 // variables that keep track of the switch here. 2787 if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) { 2788 if (DBG) log("onCallStarted: starting a call as a result of a switch."); 2789 mHoldSwitchingState = HoldSwapState.INACTIVE; 2790 mCallExpectedToResume = null; 2791 logHoldSwapState("onCallStartFailed"); 2792 } 2793 } 2794 2795 if (mPendingMO != null) { 2796 // To initiate dialing circuit-switched call 2797 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 2798 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 2799 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 2800 mForegroundCall.detach(mPendingMO); 2801 removeConnection(mPendingMO); 2802 mPendingMO.finalize(); 2803 mPendingMO = null; 2804 mPhone.initiateSilentRedial(); 2805 return; 2806 } else { 2807 sendCallStartFailedDisconnect(imsCall, reasonInfo); 2808 } 2809 mMetrics.writeOnImsCallStartFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 2810 reasonInfo); 2811 } 2812 } 2813 2814 @Override 2815 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2816 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 2817 2818 ImsPhoneConnection conn = findConnection(imsCall); 2819 Call.State callState; 2820 if (conn != null) { 2821 callState = conn.getState(); 2822 } else { 2823 // Connection shouldn't be null, but if it is, we can assume the call was active. 2824 // This call state is only used for determining which disconnect message to show in 2825 // the case of the device's battery being low resulting in a call drop. 2826 callState = Call.State.ACTIVE; 2827 } 2828 int cause = getDisconnectCauseFromReasonInfo(reasonInfo, callState); 2829 2830 if (DBG) log("cause = " + cause + " conn = " + conn); 2831 2832 if (conn != null) { 2833 android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider(); 2834 if (videoProvider instanceof ImsVideoCallProviderWrapper) { 2835 ImsVideoCallProviderWrapper wrapper = (ImsVideoCallProviderWrapper) 2836 videoProvider; 2837 wrapper.unregisterForDataUsageUpdate(ImsPhoneCallTracker.this); 2838 wrapper.removeImsVideoProviderCallback(conn); 2839 } 2840 } 2841 if (mOnHoldToneId == System.identityHashCode(conn)) { 2842 if (conn != null && mOnHoldToneStarted) { 2843 mPhone.stopOnHoldTone(conn); 2844 } 2845 mOnHoldToneStarted = false; 2846 mOnHoldToneId = -1; 2847 } 2848 if (conn != null) { 2849 if (conn.isPulledCall() && ( 2850 reasonInfo.getCode() == ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC || 2851 reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE || 2852 reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_FORBIDDEN) && 2853 mPhone != null && mPhone.getExternalCallTracker() != null) { 2854 2855 log("Call pull failed."); 2856 // Call was being pulled, but the call pull has failed -- inform the associated 2857 // TelephonyConnection that the pull failed, and provide it with the original 2858 // external connection which was pulled so that it can be swapped back. 2859 conn.onCallPullFailed(mPhone.getExternalCallTracker() 2860 .getConnectionById(conn.getPulledDialogId())); 2861 // Do not mark as disconnected; the call will just change from being a regular 2862 // call to being an external call again. 2863 cause = DisconnectCause.NOT_DISCONNECTED; 2864 2865 } else if (conn.isIncoming() && conn.getConnectTime() == 0 2866 && cause != DisconnectCause.ANSWERED_ELSEWHERE) { 2867 // Missed 2868 if (cause == DisconnectCause.NORMAL 2869 || cause == DisconnectCause.INCOMING_AUTO_REJECTED) { 2870 cause = DisconnectCause.INCOMING_MISSED; 2871 } else { 2872 cause = DisconnectCause.INCOMING_REJECTED; 2873 } 2874 if (DBG) log("Incoming connection of 0 connect time detected - translated " + 2875 "cause = " + cause); 2876 } 2877 } 2878 2879 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 2880 // Call was terminated while it is merged instead of a remote disconnect. 2881 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 2882 } 2883 2884 String callId = imsCall.getSession().getCallId(); 2885 EmergencyNumberTracker emergencyNumberTracker = conn.getEmergencyNumberTracker(); 2886 mMetrics.writeOnImsCallTerminated(mPhone.getPhoneId(), imsCall.getCallSession(), 2887 reasonInfo, mCallQualityMetrics.get(callId), conn.getEmergencyNumberInfo(), 2888 getNetworkCountryIso(), emergencyNumberTracker != null 2889 ? emergencyNumberTracker.getEmergencyNumberDbVersion() 2890 : TelephonyManager.INVALID_EMERGENCY_NUMBER_DB_VERSION); 2891 mPhone.getVoiceCallSessionStats().onImsCallTerminated(conn, reasonInfo); 2892 // Remove info for the callId from the current calls and add it to the history 2893 CallQualityMetrics lastCallMetrics = mCallQualityMetrics.remove(callId); 2894 if (lastCallMetrics != null) { 2895 mCallQualityMetricsHistory.add(lastCallMetrics); 2896 } 2897 pruneCallQualityMetricsHistory(); 2898 mPhone.notifyImsReason(reasonInfo); 2899 2900 if (conn != null) { 2901 conn.setPreciseDisconnectCause(getPreciseDisconnectCauseFromReasonInfo(reasonInfo)); 2902 } 2903 2904 if (reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_ALTERNATE_EMERGENCY_CALL 2905 && mAutoRetryFailedWifiEmergencyCall) { 2906 Pair<ImsCall, ImsReasonInfo> callInfo = new Pair<>(imsCall, reasonInfo); 2907 mPhone.getDefaultPhone().mCi.registerForOn(ImsPhoneCallTracker.this, 2908 EVENT_REDIAL_WIFI_E911_CALL, callInfo); 2909 sendMessageDelayed(obtainMessage(EVENT_REDIAL_WIFI_E911_TIMEOUT, callInfo), 2910 TIMEOUT_REDIAL_WIFI_E911_MS); 2911 final ConnectivityManager mgr = (ConnectivityManager) mPhone.getContext() 2912 .getSystemService(Context.CONNECTIVITY_SERVICE); 2913 mgr.setAirplaneMode(false); 2914 return; 2915 } else if (reasonInfo.getCode() == ImsReasonInfo.CODE_RETRY_ON_IMS_WITHOUT_RTT) { 2916 Pair<ImsCall, ImsReasonInfo> callInfo = new Pair<>(imsCall, reasonInfo); 2917 sendMessage(obtainMessage(EVENT_REDIAL_WITHOUT_RTT, callInfo)); 2918 return; 2919 } else { 2920 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 2921 } 2922 2923 if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) { 2924 if (mRingingCall.getState().isRinging()) { 2925 // Drop pending MO. We should address incoming call first 2926 mPendingMO = null; 2927 } 2928 } 2929 2930 if (conn != null) { 2931 conn.onRemoteDisconnect(reasonInfo.getExtraMessage()); 2932 } 2933 2934 if (mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD) { 2935 if (DBG) { 2936 log("onCallTerminated: Call terminated in the midst of Switching " + 2937 "Fg and Bg calls."); 2938 } 2939 // If we are the in midst of swapping FG and BG calls and the call that was 2940 // terminated was the one that we expected to resume, we need to swap the FG and 2941 // BG calls back. 2942 if (imsCall == mCallExpectedToResume) { 2943 if (DBG) { 2944 log("onCallTerminated: switching " + mForegroundCall + " with " 2945 + mBackgroundCall); 2946 } 2947 mForegroundCall.switchWith(mBackgroundCall); 2948 } 2949 // This call terminated in the midst of a switch after the other call was held, so 2950 // resume it back to ACTIVE state since the switch failed. 2951 log("onCallTerminated: foreground call in state " + mForegroundCall.getState() + 2952 " and ringing call in state " + (mRingingCall == null ? "null" : 2953 mRingingCall.getState().toString())); 2954 2955 sendEmptyMessage(EVENT_RESUME_NOW_FOREGROUND_CALL); 2956 mHoldSwitchingState = HoldSwapState.INACTIVE; 2957 mCallExpectedToResume = null; 2958 logHoldSwapState("onCallTerminated swap active and hold case"); 2959 } else if (mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_UNHOLD 2960 || mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_HOLD) { 2961 mCallExpectedToResume = null; 2962 mHoldSwitchingState = HoldSwapState.INACTIVE; 2963 logHoldSwapState("onCallTerminated single call case"); 2964 } else if (mHoldSwitchingState == HoldSwapState.HOLDING_TO_ANSWER_INCOMING) { 2965 // Check to see which call got terminated. If it's the one that was gonna get held, 2966 // ignore it. If it's the one that was gonna get answered, restore the one that 2967 // possibly got held. 2968 if (imsCall == mCallExpectedToResume) { 2969 mForegroundCall.switchWith(mBackgroundCall); 2970 mCallExpectedToResume = null; 2971 mHoldSwitchingState = HoldSwapState.INACTIVE; 2972 logHoldSwapState("onCallTerminated hold to answer case"); 2973 sendEmptyMessage(EVENT_RESUME_NOW_FOREGROUND_CALL); 2974 } 2975 } else if (mHoldSwitchingState == HoldSwapState.HOLDING_TO_DIAL_OUTGOING) { 2976 // The call that we were gonna hold might've gotten terminated. If that's the case, 2977 // dial mPendingMo if present. 2978 if (mPendingMO == null 2979 || mPendingMO.getDisconnectCause() != DisconnectCause.NOT_DISCONNECTED) { 2980 mHoldSwitchingState = HoldSwapState.INACTIVE; 2981 logHoldSwapState("onCallTerminated hold to dial but no pendingMo"); 2982 } else if (imsCall != mPendingMO.getImsCall()) { 2983 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 2984 mHoldSwitchingState = HoldSwapState.INACTIVE; 2985 logHoldSwapState("onCallTerminated hold to dial, dial pendingMo"); 2986 } 2987 } 2988 2989 if (mShouldUpdateImsConfigOnDisconnect) { 2990 // Ensure we update the IMS config when the call is disconnected; we delayed this 2991 // because a video call was paused. 2992 if (mImsManager != null) { 2993 mImsManager.updateImsServiceConfig(true); 2994 } 2995 mShouldUpdateImsConfigOnDisconnect = false; 2996 } 2997 } 2998 2999 @Override 3000 public void onCallHeld(ImsCall imsCall) { 3001 if (DBG) { 3002 if (mForegroundCall.getImsCall() == imsCall) { 3003 log("onCallHeld (fg) " + imsCall); 3004 } else if (mBackgroundCall.getImsCall() == imsCall) { 3005 log("onCallHeld (bg) " + imsCall); 3006 } 3007 } 3008 3009 synchronized (mSyncHold) { 3010 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 3011 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 3012 DisconnectCause.NOT_DISCONNECTED); 3013 3014 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 3015 // processCallStateChange above may have caused the mBackgroundCall and 3016 // mForegroundCall references below to change meaning. Watch out for this if you 3017 // are reading through this code. 3018 if (oldState == ImsPhoneCall.State.ACTIVE) { 3019 // Note: This case comes up when we have just held a call in response to a 3020 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 3021 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING 3022 && mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD) { 3023 sendEmptyMessage(EVENT_RESUME_NOW_FOREGROUND_CALL); 3024 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING 3025 && mHoldSwitchingState == HoldSwapState.HOLDING_TO_ANSWER_INCOMING) { 3026 sendEmptyMessage(EVENT_ANSWER_WAITING_CALL); 3027 } else if (mPendingMO != null 3028 && mHoldSwitchingState == HoldSwapState.HOLDING_TO_DIAL_OUTGOING) { 3029 dialPendingMO(); 3030 mHoldSwitchingState = HoldSwapState.INACTIVE; 3031 logHoldSwapState("onCallHeld hold to dial"); 3032 } else { 3033 // In this case there will be no call resumed, so we can assume that we 3034 // are done switching fg and bg calls now. 3035 // This may happen if there is no BG call and we are holding a call so that 3036 // we can dial another one. 3037 mHoldSwitchingState = HoldSwapState.INACTIVE; 3038 logHoldSwapState("onCallHeld normal case"); 3039 } 3040 } else if (oldState == ImsPhoneCall.State.IDLE 3041 && (mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD 3042 || mHoldSwitchingState 3043 == HoldSwapState.HOLDING_TO_ANSWER_INCOMING)) { 3044 // The other call terminated in the midst of a switch before this call was held, 3045 // so resume the foreground call back to ACTIVE state since the switch failed. 3046 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) { 3047 sendEmptyMessage(EVENT_RESUME_NOW_FOREGROUND_CALL); 3048 mHoldSwitchingState = HoldSwapState.INACTIVE; 3049 mCallExpectedToResume = null; 3050 logHoldSwapState("onCallHeld premature termination of other call"); 3051 } 3052 } 3053 } 3054 mMetrics.writeOnImsCallHeld(mPhone.getPhoneId(), imsCall.getCallSession()); 3055 } 3056 3057 @Override 3058 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 3059 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 3060 3061 synchronized (mSyncHold) { 3062 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 3063 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 3064 // disconnected while processing hold 3065 if (mPendingMO != null) { 3066 dialPendingMO(); 3067 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING 3068 && mHoldSwitchingState == HoldSwapState.HOLDING_TO_ANSWER_INCOMING) { 3069 sendEmptyMessage(EVENT_ANSWER_WAITING_CALL); 3070 } 3071 mHoldSwitchingState = HoldSwapState.INACTIVE; 3072 } else if (mPendingMO != null && mPendingMO.isEmergency()) { 3073 // If mPendingMO is an emergency call, disconnect the call that we tried to 3074 // hold. 3075 mBackgroundCall.getImsCall().terminate(ImsReasonInfo.CODE_UNSPECIFIED); 3076 if (imsCall != mCallExpectedToResume) { 3077 mCallExpectedToResume = null; 3078 } 3079 // Leave mHoldSwitchingState as is for now -- we'll reset it 3080 // in onCallTerminated, which will also dial the outgoing emergency call. 3081 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING 3082 && mHoldSwitchingState == HoldSwapState.HOLDING_TO_ANSWER_INCOMING) { 3083 // If we issued a hold request in order to answer an incoming call, we need 3084 // to tell Telecom that we can't actually answer the incoming call. 3085 mHoldSwitchingState = HoldSwapState.INACTIVE; 3086 mForegroundCall.switchWith(mBackgroundCall); 3087 logHoldSwapState("onCallHoldFailed unable to answer waiting call"); 3088 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 3089 mForegroundCall.switchWith(mBackgroundCall); 3090 3091 if (mPendingMO != null) { 3092 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 3093 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 3094 } 3095 if (imsCall != mCallExpectedToResume) { 3096 mCallExpectedToResume = null; 3097 } 3098 mHoldSwitchingState = HoldSwapState.INACTIVE; 3099 } 3100 ImsPhoneConnection conn = findConnection(imsCall); 3101 if (conn != null && conn.getState() != ImsPhoneCall.State.DISCONNECTED) { 3102 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_HOLD_FAILED, null); 3103 } 3104 mPhone.notifySuppServiceFailed(Phone.SuppService.HOLD); 3105 } 3106 mMetrics.writeOnImsCallHoldFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 3107 reasonInfo); 3108 } 3109 3110 @Override 3111 public void onCallResumed(ImsCall imsCall) { 3112 if (DBG) log("onCallResumed"); 3113 3114 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 3115 // is not the one we expected, we likely had a resume failure and we need to swap the 3116 // FG and BG calls back. 3117 if (mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD 3118 || mHoldSwitchingState == HoldSwapState.PENDING_RESUME_FOREGROUND_AFTER_FAILURE 3119 || mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_UNHOLD) { 3120 if (imsCall != mCallExpectedToResume) { 3121 // If the call which resumed isn't as expected, we need to swap back to the 3122 // previous configuration; the swap has failed. 3123 if (DBG) { 3124 log("onCallResumed : switching " + mForegroundCall + " with " 3125 + mBackgroundCall); 3126 } 3127 mForegroundCall.switchWith(mBackgroundCall); 3128 } else { 3129 // The call which resumed is the one we expected to resume, so we can clear out 3130 // the mSwitchingFgAndBgCalls flag. 3131 if (DBG) { 3132 log("onCallResumed : expected call resumed."); 3133 } 3134 } 3135 mHoldSwitchingState = HoldSwapState.INACTIVE; 3136 mCallExpectedToResume = null; 3137 logHoldSwapState("onCallResumed"); 3138 } 3139 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 3140 DisconnectCause.NOT_DISCONNECTED); 3141 mMetrics.writeOnImsCallResumed(mPhone.getPhoneId(), imsCall.getCallSession()); 3142 } 3143 3144 @Override 3145 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 3146 if (mHoldSwitchingState == HoldSwapState.SWAPPING_ACTIVE_AND_HELD 3147 || mHoldSwitchingState 3148 == HoldSwapState.PENDING_RESUME_FOREGROUND_AFTER_FAILURE) { 3149 // If we are in the midst of swapping the FG and BG calls and 3150 // we got a resume fail, we need to swap back the FG and BG calls. 3151 // Since the FG call was held, will also try to resume the same. 3152 if (imsCall == mCallExpectedToResume) { 3153 if (DBG) { 3154 log("onCallResumeFailed : switching " + mForegroundCall + " with " 3155 + mBackgroundCall); 3156 } 3157 mForegroundCall.switchWith(mBackgroundCall); 3158 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) { 3159 sendEmptyMessage(EVENT_RESUME_NOW_FOREGROUND_CALL); 3160 } 3161 } 3162 3163 //Call swap is done, reset the relevant variables 3164 mCallExpectedToResume = null; 3165 mHoldSwitchingState = HoldSwapState.INACTIVE; 3166 logHoldSwapState("onCallResumeFailed: multi calls"); 3167 } else if (mHoldSwitchingState == HoldSwapState.PENDING_SINGLE_CALL_UNHOLD) { 3168 if (imsCall == mCallExpectedToResume) { 3169 if (DBG) { 3170 log("onCallResumeFailed: single call unhold case"); 3171 } 3172 mForegroundCall.switchWith(mBackgroundCall); 3173 3174 mCallExpectedToResume = null; 3175 mHoldSwitchingState = HoldSwapState.INACTIVE; 3176 logHoldSwapState("onCallResumeFailed: single call"); 3177 } else { 3178 Rlog.w(LOG_TAG, "onCallResumeFailed: got a resume failed for a different call" 3179 + " in the single call unhold case"); 3180 } 3181 } 3182 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 3183 mMetrics.writeOnImsCallResumeFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 3184 reasonInfo); 3185 } 3186 3187 @Override 3188 public void onCallResumeReceived(ImsCall imsCall) { 3189 if (DBG) log("onCallResumeReceived"); 3190 ImsPhoneConnection conn = findConnection(imsCall); 3191 if (conn != null) { 3192 if (mOnHoldToneStarted) { 3193 mPhone.stopOnHoldTone(conn); 3194 mOnHoldToneStarted = false; 3195 } 3196 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_UNHELD, null); 3197 } 3198 3199 boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean( 3200 com.android.internal.R.bool.config_useVideoPauseWorkaround); 3201 if (useVideoPauseWorkaround && mSupportPauseVideo && 3202 VideoProfile.isVideo(conn.getVideoState())) { 3203 // If we are using the video pause workaround, the vendor IMS code has issues 3204 // with video pause signalling. In this case, when a call is remotely 3205 // held, the modem does not reliably change the video state of the call to be 3206 // paused. 3207 // As a workaround, we will turn on that bit now. 3208 conn.changeToUnPausedState(); 3209 } 3210 3211 SuppServiceNotification supp = new SuppServiceNotification(); 3212 // Type of notification: 0 = MO; 1 = MT 3213 // Refer SuppServiceNotification class documentation. 3214 supp.notificationType = 1; 3215 supp.code = SuppServiceNotification.CODE_2_CALL_RETRIEVED; 3216 mPhone.notifySuppSvcNotification(supp); 3217 mMetrics.writeOnImsCallResumeReceived(mPhone.getPhoneId(), imsCall.getCallSession()); 3218 } 3219 3220 @Override 3221 public void onCallHoldReceived(ImsCall imsCall) { 3222 ImsPhoneCallTracker.this.onCallHoldReceived(imsCall); 3223 } 3224 3225 @Override 3226 public void onCallSuppServiceReceived(ImsCall call, 3227 ImsSuppServiceNotification suppServiceInfo) { 3228 if (DBG) log("onCallSuppServiceReceived: suppServiceInfo=" + suppServiceInfo); 3229 3230 SuppServiceNotification supp = new SuppServiceNotification(); 3231 supp.notificationType = suppServiceInfo.notificationType; 3232 supp.code = suppServiceInfo.code; 3233 supp.index = suppServiceInfo.index; 3234 supp.number = suppServiceInfo.number; 3235 supp.history = suppServiceInfo.history; 3236 3237 mPhone.notifySuppSvcNotification(supp); 3238 } 3239 3240 @Override 3241 public void onCallMerged(final ImsCall call, final ImsCall peerCall, boolean swapCalls) { 3242 if (DBG) log("onCallMerged"); 3243 3244 ImsPhoneCall foregroundImsPhoneCall = findConnection(call).getCall(); 3245 ImsPhoneConnection peerConnection = findConnection(peerCall); 3246 ImsPhoneCall peerImsPhoneCall = peerConnection == null ? null 3247 : peerConnection.getCall(); 3248 3249 if (swapCalls) { 3250 switchAfterConferenceSuccess(); 3251 } 3252 foregroundImsPhoneCall.merge(peerImsPhoneCall, ImsPhoneCall.State.ACTIVE); 3253 3254 final ImsPhoneConnection conn = findConnection(call); 3255 try { 3256 log("onCallMerged: ImsPhoneConnection=" + conn); 3257 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 3258 setVideoCallProvider(conn, call); 3259 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 3260 } catch (Exception e) { 3261 loge("onCallMerged: exception " + e); 3262 } 3263 3264 // After merge complete, update foreground as Active 3265 // and background call as Held, if background call exists 3266 processCallStateChange(mForegroundCall.getImsCall(), ImsPhoneCall.State.ACTIVE, 3267 DisconnectCause.NOT_DISCONNECTED); 3268 if (peerConnection != null) { 3269 processCallStateChange(mBackgroundCall.getImsCall(), ImsPhoneCall.State.HOLDING, 3270 DisconnectCause.NOT_DISCONNECTED); 3271 } 3272 3273 // Check if the merge was requested by an existing conference call. In that 3274 // case, no further action is required. 3275 if (!call.isMergeRequestedByConf()) { 3276 log("onCallMerged :: calling onMultipartyStateChanged()"); 3277 onMultipartyStateChanged(call, true); 3278 } else { 3279 log("onCallMerged :: Merge requested by existing conference."); 3280 // Reset the flag. 3281 call.resetIsMergeRequestedByConf(false); 3282 } 3283 3284 // Notify completion of merge 3285 if (conn != null) { 3286 conn.handleMergeComplete(); 3287 } 3288 logState(); 3289 } 3290 3291 @Override 3292 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 3293 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 3294 3295 // TODO: the call to notifySuppServiceFailed throws up the "merge failed" dialog 3296 // We should move this into the InCallService so that it is handled appropriately 3297 // based on the user facing UI. 3298 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 3299 3300 call.resetIsMergeRequestedByConf(false); 3301 3302 // Start plumbing this even through Telecom so other components can take 3303 // appropriate action. 3304 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 3305 if (foregroundConnection != null) { 3306 foregroundConnection.onConferenceMergeFailed(); 3307 foregroundConnection.handleMergeComplete(); 3308 } 3309 3310 ImsPhoneConnection backgroundConnection = mBackgroundCall.getFirstConnection(); 3311 if (backgroundConnection != null) { 3312 backgroundConnection.onConferenceMergeFailed(); 3313 backgroundConnection.handleMergeComplete(); 3314 } 3315 } 3316 3317 private void updateConferenceParticipantsTiming(List<ConferenceParticipant> participants) { 3318 for (ConferenceParticipant participant : participants) { 3319 // Every time participants are newly created from parcel, update their connect time. 3320 CacheEntry cachedConnectTime = findConnectionTimeUsePhoneNumber(participant); 3321 if (cachedConnectTime != null) { 3322 participant.setConnectTime(cachedConnectTime.mConnectTime); 3323 participant.setConnectElapsedTime(cachedConnectTime.mConnectElapsedTime); 3324 participant.setCallDirection(cachedConnectTime.mCallDirection); 3325 } 3326 } 3327 } 3328 3329 /** 3330 * Called when the state of IMS conference participant(s) has changed. 3331 * 3332 * @param call the call object that carries out the IMS call. 3333 * @param participants the participant(s) and their new state information. 3334 */ 3335 @Override 3336 public void onConferenceParticipantsStateChanged(ImsCall call, 3337 List<ConferenceParticipant> participants) { 3338 if (DBG) log("onConferenceParticipantsStateChanged"); 3339 3340 if (!mIsConferenceEventPackageEnabled) { 3341 logi("onConferenceParticipantsStateChanged - CEP handling disabled"); 3342 return; 3343 } 3344 3345 if (!mSupportCepOnPeer && !call.isConferenceHost()) { 3346 logi("onConferenceParticipantsStateChanged - ignore CEP on peer"); 3347 return; 3348 } 3349 3350 ImsPhoneConnection conn = findConnection(call); 3351 if (conn != null) { 3352 updateConferenceParticipantsTiming(participants); 3353 conn.updateConferenceParticipants(participants); 3354 } 3355 } 3356 3357 @Override 3358 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 3359 mPhone.onTtyModeReceived(mode); 3360 } 3361 3362 @Override 3363 public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 3364 ImsReasonInfo reasonInfo) { 3365 // Check with the DCTracker to see if data is enabled; there may be a case when 3366 // ImsPhoneCallTracker isn't being informed of the right data enabled state via its 3367 // registration, so we'll refresh now. 3368 boolean isDataEnabled = mPhone.getDefaultPhone().getDataEnabledSettings() 3369 .isDataEnabled(); 3370 3371 if (DBG) { 3372 log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" 3373 + targetAccessTech + ", reasonInfo=" + reasonInfo + ", dataEnabled=" 3374 + mIsDataEnabled + "/" + isDataEnabled + ", dataMetered=" 3375 + mIsViLteDataMetered); 3376 } 3377 if (mIsDataEnabled != isDataEnabled) { 3378 loge("onCallHandover: data enabled state doesn't match! (was=" + mIsDataEnabled 3379 + ", actually=" + isDataEnabled); 3380 mIsDataEnabled = isDataEnabled; 3381 } 3382 3383 // Only consider it a valid handover to WIFI if the source radio tech is known. 3384 boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN 3385 && srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN 3386 && targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 3387 // Only consider it a handover from WIFI if the source and target radio tech is known. 3388 boolean isHandoverFromWifi = 3389 srcAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN 3390 && targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN 3391 && targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 3392 3393 ImsPhoneConnection conn = findConnection(imsCall); 3394 if (conn != null) { 3395 ImsPhoneCall imsPhoneCall = conn.getCall(); 3396 if (imsPhoneCall != null) { 3397 // We might be playing ringback on the handover connection; we should stop 3398 // playing it at this point (otherwise it could play indefinitely). 3399 imsPhoneCall.maybeStopRingback(); 3400 } 3401 if (conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 3402 if (isHandoverToWifi) { 3403 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 3404 3405 if (mNotifyHandoverVideoFromLTEToWifi && mHasAttemptedStartOfCallHandover) { 3406 // This is a handover which happened mid-call (ie not the start of call 3407 // handover from LTE to WIFI), so we'll notify the InCall UI. 3408 conn.onConnectionEvent( 3409 TelephonyManager.EVENT_HANDOVER_VIDEO_FROM_LTE_TO_WIFI, null); 3410 } 3411 3412 // We are on WIFI now so no need to get notified of network availability. 3413 unregisterForConnectivityChanges(); 3414 } else if (isHandoverFromWifi && imsCall.isVideoCall()) { 3415 // A video call just dropped from WIFI to LTE; we want to be informed if a 3416 // new WIFI 3417 // network comes into range. 3418 registerForConnectivityChanges(); 3419 } 3420 } 3421 3422 if (isHandoverToWifi && mIsViLteDataMetered) { 3423 conn.setLocalVideoCapable(true); 3424 } 3425 3426 if (isHandoverFromWifi && imsCall.isVideoCall()) { 3427 if (mIsViLteDataMetered) { 3428 conn.setLocalVideoCapable(mIsDataEnabled); 3429 } 3430 3431 if (mNotifyHandoverVideoFromWifiToLTE && mIsDataEnabled) { 3432 if (conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 3433 log("onCallHandover :: notifying of WIFI to LTE handover."); 3434 conn.onConnectionEvent( 3435 TelephonyManager.EVENT_HANDOVER_VIDEO_FROM_WIFI_TO_LTE, null); 3436 } else { 3437 // Call has already had a disconnect request issued by the user or is 3438 // in the process of disconnecting; do not inform the UI of this as it 3439 // is not relevant. 3440 log("onCallHandover :: skip notify of WIFI to LTE handover for " 3441 + "disconnected call."); 3442 } 3443 } 3444 3445 if (!mIsDataEnabled && mIsViLteDataMetered) { 3446 // Call was downgraded from WIFI to LTE and data is metered; downgrade the 3447 // call now. 3448 log("onCallHandover :: data is not enabled; attempt to downgrade."); 3449 downgradeVideoCall(ImsReasonInfo.CODE_WIFI_LOST, conn); 3450 } 3451 } 3452 } else { 3453 loge("onCallHandover :: connection null."); 3454 } 3455 // If there's a handover, then we're not in the "start of call" handover phase. 3456 if (!mHasAttemptedStartOfCallHandover) { 3457 mHasAttemptedStartOfCallHandover = true; 3458 } 3459 mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(), 3460 TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER, imsCall.getCallSession(), 3461 srcAccessTech, targetAccessTech, reasonInfo); 3462 } 3463 3464 @Override 3465 public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 3466 ImsReasonInfo reasonInfo) { 3467 if (DBG) { 3468 log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech + 3469 ", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo); 3470 } 3471 mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(), 3472 TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER_FAILED, 3473 imsCall.getCallSession(), srcAccessTech, targetAccessTech, reasonInfo); 3474 3475 boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN && 3476 targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 3477 ImsPhoneConnection conn = findConnection(imsCall); 3478 if (conn != null && isHandoverToWifi) { 3479 log("onCallHandoverFailed - handover to WIFI Failed"); 3480 3481 // If we know we failed to handover, don't check for failure in the future. 3482 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 3483 3484 if (imsCall.isVideoCall() 3485 && conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 3486 // Start listening for a WIFI network to come into range for potential handover. 3487 registerForConnectivityChanges(); 3488 } 3489 3490 if (mNotifyVtHandoverToWifiFail) { 3491 // Only notify others if carrier config indicates to do so. 3492 conn.onHandoverToWifiFailed(); 3493 } 3494 } 3495 if (!mHasAttemptedStartOfCallHandover) { 3496 mHasAttemptedStartOfCallHandover = true; 3497 } 3498 } 3499 3500 @Override 3501 public void onRttModifyRequestReceived(ImsCall imsCall) { 3502 ImsPhoneConnection conn = findConnection(imsCall); 3503 if (conn != null) { 3504 conn.onRttModifyRequestReceived(); 3505 } 3506 } 3507 3508 @Override 3509 public void onRttModifyResponseReceived(ImsCall imsCall, int status) { 3510 ImsPhoneConnection conn = findConnection(imsCall); 3511 if (conn != null) { 3512 conn.onRttModifyResponseReceived(status); 3513 } 3514 } 3515 3516 @Override 3517 public void onRttMessageReceived(ImsCall imsCall, String message) { 3518 ImsPhoneConnection conn = findConnection(imsCall); 3519 if (conn != null) { 3520 conn.onRttMessageReceived(message); 3521 } 3522 } 3523 3524 @Override 3525 public void onRttAudioIndicatorChanged(ImsCall imsCall, ImsStreamMediaProfile profile) { 3526 ImsPhoneConnection conn = findConnection(imsCall); 3527 if (conn != null) { 3528 conn.onRttAudioIndicatorChanged(profile); 3529 } 3530 } 3531 3532 @Override 3533 public void onCallSessionTransferred(ImsCall imsCall) { 3534 if (DBG) log("onCallSessionTransferred success"); 3535 } 3536 3537 @Override 3538 public void onCallSessionTransferFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 3539 if (DBG) log("onCallSessionTransferFailed reasonInfo=" + reasonInfo); 3540 mPhone.notifySuppServiceFailed(Phone.SuppService.TRANSFER); 3541 } 3542 3543 /** 3544 * Handles a change to the multiparty state for an {@code ImsCall}. Notifies the associated 3545 * {@link ImsPhoneConnection} of the change. 3546 * 3547 * @param imsCall The IMS call. 3548 * @param isMultiParty {@code true} if the call became multiparty, {@code false} 3549 * otherwise. 3550 */ 3551 @Override 3552 public void onMultipartyStateChanged(ImsCall imsCall, boolean isMultiParty) { 3553 if (DBG) log("onMultipartyStateChanged to " + (isMultiParty ? "Y" : "N")); 3554 3555 ImsPhoneConnection conn = findConnection(imsCall); 3556 if (conn != null) { 3557 conn.updateMultipartyState(isMultiParty); 3558 } 3559 } 3560 3561 /** 3562 * Handles a change to the call quality for an {@code ImsCall}. 3563 * Notifies apps through the System API {@link PhoneStateListener#onCallAttributesChanged}. 3564 */ 3565 @Override 3566 public void onCallQualityChanged(ImsCall imsCall, CallQuality callQuality) { 3567 // convert ServiceState.radioTech to TelephonyManager.NetworkType constant 3568 mPhone.onCallQualityChanged(callQuality, imsCall.getNetworkType()); 3569 String callId = imsCall.getSession().getCallId(); 3570 CallQualityMetrics cqm = mCallQualityMetrics.get(callId); 3571 if (cqm == null) { 3572 cqm = new CallQualityMetrics(mPhone); 3573 } 3574 cqm.saveCallQuality(callQuality); 3575 mCallQualityMetrics.put(callId, cqm); 3576 } 3577 }; 3578 3579 /** 3580 * Listen to the IMS call state change 3581 */ 3582 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 3583 @Override 3584 public void onCallStarted(ImsCall imsCall) { 3585 if (DBG) log("mImsUssdListener onCallStarted"); 3586 3587 if (imsCall == mUssdSession) { 3588 if (mPendingUssd != null) { 3589 AsyncResult.forMessage(mPendingUssd); 3590 mPendingUssd.sendToTarget(); 3591 mPendingUssd = null; 3592 } 3593 } 3594 } 3595 3596 @Override 3597 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 3598 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 3599 3600 if (mUssdSession != null) { 3601 if (DBG) log("mUssdSession is not null"); 3602 // To initiate sending Ussd under circuit-switched call 3603 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED) { 3604 mUssdSession = null; 3605 mPhone.getPendingMmiCodes().clear(); 3606 mPhone.initiateSilentRedial(); 3607 if (DBG) log("Initiated sending ussd by using silent redial."); 3608 return; 3609 } else { 3610 if (DBG) log("Failed to start sending ussd by using silent resendUssd.!!"); 3611 } 3612 } 3613 3614 onCallTerminated(imsCall, reasonInfo); 3615 } 3616 3617 @Override 3618 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 3619 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 3620 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 3621 mHasAttemptedStartOfCallHandover = false; 3622 unregisterForConnectivityChanges(); 3623 3624 if (imsCall == mUssdSession) { 3625 mUssdSession = null; 3626 if (mPendingUssd != null) { 3627 CommandException ex = 3628 new CommandException(CommandException.Error.GENERIC_FAILURE); 3629 AsyncResult.forMessage(mPendingUssd, null, ex); 3630 mPendingUssd.sendToTarget(); 3631 mPendingUssd = null; 3632 } 3633 } 3634 imsCall.close(); 3635 } 3636 3637 @Override 3638 public void onCallUssdMessageReceived(ImsCall call, 3639 int mode, String ussdMessage) { 3640 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 3641 3642 int ussdMode = -1; 3643 3644 switch(mode) { 3645 case ImsCall.USSD_MODE_REQUEST: 3646 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 3647 break; 3648 3649 case ImsCall.USSD_MODE_NOTIFY: 3650 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 3651 break; 3652 } 3653 3654 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 3655 } 3656 }; 3657 3658 private final ImsMmTelManager.CapabilityCallback mImsCapabilityCallback = 3659 new ImsMmTelManager.CapabilityCallback() { 3660 @Override 3661 public void onCapabilitiesStatusChanged( 3662 MmTelFeature.MmTelCapabilities capabilities) { 3663 if (DBG) log("onCapabilitiesStatusChanged: " + capabilities); 3664 SomeArgs args = SomeArgs.obtain(); 3665 args.arg1 = capabilities; 3666 // Remove any pending updates; they're already stale, so no need to process 3667 // them. 3668 removeMessages(EVENT_ON_FEATURE_CAPABILITY_CHANGED); 3669 obtainMessage(EVENT_ON_FEATURE_CAPABILITY_CHANGED, args).sendToTarget(); 3670 } 3671 }; 3672 3673 private ImsConfigListener.Stub mImsConfigListener = new ImsConfigListener.Stub() { 3674 @Override 3675 public void onGetFeatureResponse(int feature, int network, int value, int status) {} 3676 3677 @Override 3678 public void onSetFeatureResponse(int feature, int network, int value, int status) { 3679 mMetrics.writeImsSetFeatureValue(mPhone.getPhoneId(), feature, network, value); 3680 } 3681 3682 @Override 3683 public void onGetVideoQuality(int status, int quality) {} 3684 3685 @Override 3686 public void onSetVideoQuality(int status) {} 3687 3688 }; 3689 3690 private final ProvisioningManager.Callback mConfigCallback = 3691 new ProvisioningManager.Callback() { 3692 @Override 3693 public void onProvisioningIntChanged(int item, int value) { 3694 sendConfigChangedIntent(item, Integer.toString(value)); 3695 if ((mImsManager != null) 3696 && (item == ImsConfig.ConfigConstants.VOICE_OVER_WIFI_SETTING_ENABLED 3697 || item == ImsConfig.ConfigConstants.VLT_SETTING_ENABLED 3698 || item == ImsConfig.ConfigConstants.LVC_SETTING_ENABLED)) { 3699 // Update Ims Service state to make sure updated provisioning values take effect 3700 // immediately. 3701 mImsManager.updateImsServiceConfig(true); 3702 } 3703 } 3704 3705 @Override 3706 public void onProvisioningStringChanged(int item, String value) { 3707 sendConfigChangedIntent(item, value); 3708 } 3709 3710 // send IMS_CONFIG_CHANGED intent for older services that do not implement the new callback 3711 // interface. 3712 private void sendConfigChangedIntent(int item, String value) { 3713 log("sendConfigChangedIntent - [" + item + ", " + value + "]"); 3714 Intent configChangedIntent = new Intent(ImsConfig.ACTION_IMS_CONFIG_CHANGED); 3715 configChangedIntent.putExtra(ImsConfig.EXTRA_CHANGED_ITEM, item); 3716 configChangedIntent.putExtra(ImsConfig.EXTRA_NEW_VALUE, value); 3717 if (mPhone != null && mPhone.getContext() != null) { 3718 mPhone.getContext().sendBroadcast(configChangedIntent); 3719 } 3720 } 3721 }; 3722 sendCallStartFailedDisconnect(ImsCall imsCall, ImsReasonInfo reasonInfo)3723 public void sendCallStartFailedDisconnect(ImsCall imsCall, ImsReasonInfo reasonInfo) { 3724 mPendingMO = null; 3725 ImsPhoneConnection conn = findConnection(imsCall); 3726 Call.State callState; 3727 if (conn != null) { 3728 callState = conn.getState(); 3729 } else { 3730 // Need to fall back in case connection is null; it shouldn't be, but a sane 3731 // fallback is to assume we're dialing. This state is only used to 3732 // determine which disconnect string to show in the case of a low battery 3733 // disconnect. 3734 callState = Call.State.DIALING; 3735 } 3736 int cause = getDisconnectCauseFromReasonInfo(reasonInfo, callState); 3737 if (conn != null) { 3738 conn.onRemoteDisconnect(reasonInfo.getExtraMessage()); 3739 } 3740 3741 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 3742 3743 if (conn != null) { 3744 conn.setPreciseDisconnectCause( 3745 getPreciseDisconnectCauseFromReasonInfo(reasonInfo)); 3746 } 3747 3748 mPhone.notifyImsReason(reasonInfo); 3749 } 3750 3751 @UnsupportedAppUsage getUtInterface()3752 public ImsUtInterface getUtInterface() throws ImsException { 3753 if (mImsManager == null) { 3754 throw getImsManagerIsNullException(); 3755 } 3756 3757 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(); 3758 return ut; 3759 } 3760 transferHandoverConnections(ImsPhoneCall call)3761 private void transferHandoverConnections(ImsPhoneCall call) { 3762 if (call.getConnections() != null) { 3763 for (Connection c : call.getConnections()) { 3764 c.mPreHandoverState = call.mState; 3765 log ("Connection state before handover is " + c.getStateBeforeHandover()); 3766 } 3767 } 3768 if (mHandoverCall.getConnections() == null) { 3769 mHandoverCall.mConnections = call.mConnections; 3770 } else { // Multi-call SRVCC 3771 mHandoverCall.mConnections.addAll(call.mConnections); 3772 } 3773 mHandoverCall.copyConnectionFrom(call); 3774 if (mHandoverCall.getConnections() != null) { 3775 if (call.getImsCall() != null) { 3776 call.getImsCall().close(); 3777 } 3778 for (Connection c : mHandoverCall.getConnections()) { 3779 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 3780 ((ImsPhoneConnection)c).releaseWakeLock(); 3781 } 3782 } 3783 if (call.getState().isAlive()) { 3784 log ("Call is alive and state is " + call.mState); 3785 mHandoverCall.mState = call.mState; 3786 } 3787 call.clearConnections(); 3788 call.mState = ImsPhoneCall.State.IDLE; 3789 if (mPendingMO != null) { 3790 // If the call is handed over before moving to alerting (i.e. e911 CSFB redial), clear 3791 // pending MO here. 3792 logi("pending MO on handover, clearing..."); 3793 mPendingMO = null; 3794 } 3795 } 3796 3797 /** 3798 * Notify of a change to SRVCC state 3799 * @param state the new SRVCC state. 3800 */ notifySrvccState(Call.SrvccState state)3801 public void notifySrvccState(Call.SrvccState state) { 3802 if (DBG) log("notifySrvccState state=" + state); 3803 3804 mSrvccState = state; 3805 3806 if (mSrvccState == Call.SrvccState.COMPLETED) { 3807 resetState(); 3808 transferHandoverConnections(mForegroundCall); 3809 transferHandoverConnections(mBackgroundCall); 3810 transferHandoverConnections(mRingingCall); 3811 updatePhoneState(); 3812 } 3813 } 3814 resetState()3815 private void resetState() { 3816 mIsInEmergencyCall = false; 3817 mPhone.setEcmCanceledForEmergency(false); 3818 } 3819 3820 //****** Overridden from Handler 3821 3822 @Override 3823 public void handleMessage(Message msg)3824 handleMessage (Message msg) { 3825 AsyncResult ar; 3826 if (DBG) log("handleMessage what=" + msg.what); 3827 3828 switch (msg.what) { 3829 case EVENT_HANGUP_PENDINGMO: 3830 if (mPendingMO != null) { 3831 mPendingMO.onDisconnect(); 3832 removeConnection(mPendingMO); 3833 mPendingMO = null; 3834 } 3835 mPendingIntentExtras = null; 3836 updatePhoneState(); 3837 mPhone.notifyPreciseCallStateChanged(); 3838 break; 3839 case EVENT_RESUME_NOW_FOREGROUND_CALL: 3840 try { 3841 resumeForegroundCall(); 3842 } catch (ImsException e) { 3843 if (Phone.DEBUG_PHONE) { 3844 loge("handleMessage EVENT_RESUME_NOW_FOREGROUND_CALL exception=" + e); 3845 } 3846 } 3847 break; 3848 case EVENT_ANSWER_WAITING_CALL: 3849 try { 3850 answerWaitingCall(); 3851 } catch (ImsException e) { 3852 if (Phone.DEBUG_PHONE) { 3853 loge("handleMessage EVENT_ANSWER_WAITING_CALL exception=" + e); 3854 } 3855 } 3856 break; 3857 case EVENT_DIAL_PENDINGMO: 3858 dialInternal(mPendingMO, mClirMode, mPendingCallVideoState, mPendingIntentExtras); 3859 mPendingIntentExtras = null; 3860 break; 3861 3862 case EVENT_EXIT_ECBM_BEFORE_PENDINGMO: 3863 if (mPendingMO != null) { 3864 //Send ECBM exit request 3865 try { 3866 getEcbmInterface().exitEmergencyCallbackMode(); 3867 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 3868 pendingCallClirMode = mClirMode; 3869 pendingCallInEcm = true; 3870 } catch (ImsException e) { 3871 e.printStackTrace(); 3872 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 3873 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 3874 } 3875 } 3876 break; 3877 3878 case EVENT_EXIT_ECM_RESPONSE_CDMA: 3879 // no matter the result, we still do the same here 3880 if (pendingCallInEcm) { 3881 dialInternal(mPendingMO, pendingCallClirMode, 3882 mPendingCallVideoState, mPendingIntentExtras); 3883 mPendingIntentExtras = null; 3884 pendingCallInEcm = false; 3885 } 3886 mPhone.unsetOnEcbModeExitResponse(this); 3887 break; 3888 case EVENT_VT_DATA_USAGE_UPDATE: 3889 ar = (AsyncResult) msg.obj; 3890 ImsCall call = (ImsCall) ar.userObj; 3891 Long usage = (long) ar.result; 3892 log("VT data usage update. usage = " + usage + ", imsCall = " + call); 3893 if (usage > 0) { 3894 updateVtDataUsage(call, usage); 3895 } 3896 break; 3897 case EVENT_DATA_ENABLED_CHANGED: 3898 ar = (AsyncResult) msg.obj; 3899 if (ar.result instanceof Pair) { 3900 Pair<Boolean, Integer> p = (Pair<Boolean, Integer>) ar.result; 3901 onDataEnabledChanged(p.first, p.second); 3902 } 3903 break; 3904 case EVENT_CHECK_FOR_WIFI_HANDOVER: 3905 if (msg.obj instanceof ImsCall) { 3906 ImsCall imsCall = (ImsCall) msg.obj; 3907 if (imsCall != mForegroundCall.getImsCall()) { 3908 Rlog.i(LOG_TAG, "handoverCheck: no longer FG; check skipped."); 3909 unregisterForConnectivityChanges(); 3910 // Handover check and its not the foreground call any more. 3911 return; 3912 } 3913 if (!mHasAttemptedStartOfCallHandover) { 3914 mHasAttemptedStartOfCallHandover = true; 3915 } 3916 if (!imsCall.isWifiCall()) { 3917 // Call did not handover to wifi, notify of handover failure. 3918 ImsPhoneConnection conn = findConnection(imsCall); 3919 if (conn != null) { 3920 Rlog.i(LOG_TAG, "handoverCheck: handover failed."); 3921 conn.onHandoverToWifiFailed(); 3922 } 3923 3924 if (imsCall.isVideoCall() 3925 && conn.getDisconnectCause() == DisconnectCause.NOT_DISCONNECTED) { 3926 registerForConnectivityChanges(); 3927 } 3928 } 3929 } 3930 break; 3931 case EVENT_ON_FEATURE_CAPABILITY_CHANGED: { 3932 SomeArgs args = (SomeArgs) msg.obj; 3933 try { 3934 ImsFeature.Capabilities capabilities = (ImsFeature.Capabilities) args.arg1; 3935 handleFeatureCapabilityChanged(capabilities); 3936 } finally { 3937 args.recycle(); 3938 } 3939 break; 3940 } 3941 case EVENT_SUPP_SERVICE_INDICATION: { 3942 ar = (AsyncResult) msg.obj; 3943 ImsPhoneMmiCode mmiCode = new ImsPhoneMmiCode(mPhone); 3944 try { 3945 mmiCode.setIsSsInfo(true); 3946 mmiCode.processImsSsData(ar); 3947 } catch (ImsException e) { 3948 Rlog.e(LOG_TAG, "Exception in parsing SS Data: " + e); 3949 } 3950 break; 3951 } 3952 case EVENT_REDIAL_WIFI_E911_CALL: { 3953 Pair<ImsCall, ImsReasonInfo> callInfo = 3954 (Pair<ImsCall, ImsReasonInfo>) ((AsyncResult) msg.obj).userObj; 3955 removeMessages(EVENT_REDIAL_WIFI_E911_TIMEOUT); 3956 mPhone.getDefaultPhone().mCi.unregisterForOn(this); 3957 ImsPhoneConnection oldConnection = findConnection(callInfo.first); 3958 if (oldConnection == null) { 3959 sendCallStartFailedDisconnect(callInfo.first, callInfo.second); 3960 break; 3961 } 3962 mForegroundCall.detach(oldConnection); 3963 removeConnection(oldConnection); 3964 try { 3965 Connection newConnection = 3966 mPhone.getDefaultPhone().dial(mLastDialString, mLastDialArgs); 3967 oldConnection.onOriginalConnectionReplaced(newConnection); 3968 3969 final ImsCall imsCall = mForegroundCall.getImsCall(); 3970 final ImsCallProfile callProfile = imsCall.getCallProfile(); 3971 /* update EXTRA_EMERGENCY_CALL for clients to infer 3972 from this extra that the call is emergency call */ 3973 callProfile.setCallExtraBoolean( 3974 ImsCallProfile.EXTRA_EMERGENCY_CALL, true); 3975 ImsPhoneConnection conn = findConnection(imsCall); 3976 conn.updateExtras(imsCall); 3977 } catch (CallStateException e) { 3978 sendCallStartFailedDisconnect(callInfo.first, callInfo.second); 3979 } 3980 break; 3981 } 3982 case EVENT_REDIAL_WIFI_E911_TIMEOUT: { 3983 Pair<ImsCall, ImsReasonInfo> callInfo = (Pair<ImsCall, ImsReasonInfo>) msg.obj; 3984 mPhone.getDefaultPhone().mCi.unregisterForOn(this); 3985 removeMessages(EVENT_REDIAL_WIFI_E911_CALL); 3986 sendCallStartFailedDisconnect(callInfo.first, callInfo.second); 3987 break; 3988 } 3989 3990 case EVENT_REDIAL_WITHOUT_RTT: { 3991 Pair<ImsCall, ImsReasonInfo> callInfo = (Pair<ImsCall, ImsReasonInfo>) msg.obj; 3992 removeMessages(EVENT_REDIAL_WITHOUT_RTT); 3993 ImsPhoneConnection oldConnection = findConnection(callInfo.first); 3994 if (oldConnection == null) { 3995 sendCallStartFailedDisconnect(callInfo.first, callInfo.second); 3996 break; 3997 } 3998 mForegroundCall.detach(oldConnection); 3999 removeConnection(oldConnection); 4000 try { 4001 mPendingMO = null; 4002 ImsDialArgs newDialArgs = ImsDialArgs.Builder.from(mLastDialArgs) 4003 .setRttTextStream(null) 4004 .setRetryCallFailCause(ImsReasonInfo.CODE_RETRY_ON_IMS_WITHOUT_RTT) 4005 .setRetryCallFailNetworkType( 4006 ServiceState.rilRadioTechnologyToNetworkType( 4007 oldConnection.getCallRadioTech())) 4008 .build(); 4009 4010 Connection newConnection = 4011 mPhone.getDefaultPhone().dial(mLastDialString, newDialArgs); 4012 oldConnection.onOriginalConnectionReplaced(newConnection); 4013 } catch (CallStateException e) { 4014 sendCallStartFailedDisconnect(callInfo.first, callInfo.second); 4015 } 4016 break; 4017 } 4018 } 4019 } 4020 4021 /** 4022 * Update video call data usage 4023 * 4024 * @param call The IMS call 4025 * @param dataUsage The aggregated data usage for the call 4026 */ 4027 @VisibleForTesting(visibility = PRIVATE) updateVtDataUsage(ImsCall call, long dataUsage)4028 public void updateVtDataUsage(ImsCall call, long dataUsage) { 4029 long oldUsage = 0L; 4030 if (mVtDataUsageMap.containsKey(call.uniqueId)) { 4031 oldUsage = mVtDataUsageMap.get(call.uniqueId); 4032 } 4033 4034 long delta = dataUsage - oldUsage; 4035 mVtDataUsageMap.put(call.uniqueId, dataUsage); 4036 4037 log("updateVtDataUsage: call=" + call + ", delta=" + delta); 4038 4039 long currentTime = SystemClock.elapsedRealtime(); 4040 int isRoaming = mPhone.getServiceState().getDataRoaming() ? 1 : 0; 4041 4042 // Create the snapshot of total video call data usage. 4043 NetworkStats vtDataUsageSnapshot = new NetworkStats(currentTime, 1); 4044 vtDataUsageSnapshot = vtDataUsageSnapshot.add(mVtDataUsageSnapshot); 4045 // Since the modem only reports the total vt data usage rather than rx/tx separately, 4046 // the only thing we can do here is splitting the usage into half rx and half tx. 4047 // Uid -1 indicates this is for the overall device data usage. 4048 vtDataUsageSnapshot.combineValues(new NetworkStats.Entry( 4049 NetworkStats.IFACE_VT, -1, NetworkStats.SET_FOREGROUND, 4050 NetworkStats.TAG_NONE, NetworkStats.METERED_YES, isRoaming, 4051 NetworkStats.DEFAULT_NETWORK_YES, delta / 2, 0, delta / 2, 0, 0)); 4052 mVtDataUsageSnapshot = vtDataUsageSnapshot; 4053 4054 // Create the snapshot of video call data usage per dialer. combineValues will create 4055 // a separate entry if uid is different from the previous snapshot. 4056 NetworkStats vtDataUsageUidSnapshot = new NetworkStats(currentTime, 1); 4057 vtDataUsageUidSnapshot.combineAllValues(mVtDataUsageUidSnapshot); 4058 4059 // The dialer uid might not be initialized correctly during boot up due to telecom service 4060 // not ready or its default dialer cache not ready. So we double check again here to see if 4061 // default dialer uid is really not available. 4062 if (mDefaultDialerUid.get() == NetworkStats.UID_ALL) { 4063 final TelecomManager telecomManager = 4064 (TelecomManager) mPhone.getContext().getSystemService(Context.TELECOM_SERVICE); 4065 mDefaultDialerUid.set( 4066 getPackageUid(mPhone.getContext(), telecomManager.getDefaultDialerPackage())); 4067 } 4068 4069 // Since the modem only reports the total vt data usage rather than rx/tx separately, 4070 // the only thing we can do here is splitting the usage into half rx and half tx. 4071 vtDataUsageUidSnapshot.combineValues(new NetworkStats.Entry( 4072 NetworkStats.IFACE_VT, mDefaultDialerUid.get(), 4073 NetworkStats.SET_FOREGROUND, NetworkStats.TAG_NONE, NetworkStats.METERED_YES, 4074 isRoaming, NetworkStats.DEFAULT_NETWORK_YES, delta / 2, 0, delta / 2, 0, 0)); 4075 mVtDataUsageUidSnapshot = vtDataUsageUidSnapshot; 4076 } 4077 4078 @UnsupportedAppUsage 4079 @Override log(String msg)4080 protected void log(String msg) { 4081 Rlog.d(LOG_TAG, "[" + mPhone.getPhoneId() + "] " + msg); 4082 } 4083 4084 @UnsupportedAppUsage loge(String msg)4085 protected void loge(String msg) { 4086 Rlog.e(LOG_TAG, "[" + mPhone.getPhoneId() + "] " + msg); 4087 } 4088 logi(String msg)4089 void logi(String msg) { 4090 Rlog.i(LOG_TAG, "[" + mPhone.getPhoneId() + "] " + msg); 4091 } 4092 logHoldSwapState(String loc)4093 void logHoldSwapState(String loc) { 4094 String holdSwapState = "???"; 4095 switch (mHoldSwitchingState) { 4096 case INACTIVE: 4097 holdSwapState = "INACTIVE"; 4098 break; 4099 case PENDING_SINGLE_CALL_HOLD: 4100 holdSwapState = "PENDING_SINGLE_CALL_HOLD"; 4101 break; 4102 case PENDING_SINGLE_CALL_UNHOLD: 4103 holdSwapState = "PENDING_SINGLE_CALL_UNHOLD"; 4104 break; 4105 case SWAPPING_ACTIVE_AND_HELD: 4106 holdSwapState = "SWAPPING_ACTIVE_AND_HELD"; 4107 break; 4108 case HOLDING_TO_ANSWER_INCOMING: 4109 holdSwapState = "HOLDING_TO_ANSWER_INCOMING"; 4110 break; 4111 case PENDING_RESUME_FOREGROUND_AFTER_FAILURE: 4112 holdSwapState = "PENDING_RESUME_FOREGROUND_AFTER_FAILURE"; 4113 break; 4114 case HOLDING_TO_DIAL_OUTGOING: 4115 holdSwapState = "HOLDING_TO_DIAL_OUTGOING"; 4116 break; 4117 } 4118 logi("holdSwapState set to " + holdSwapState + " at " + loc); 4119 } 4120 4121 /** 4122 * Logs the current state of the ImsPhoneCallTracker. Useful for debugging issues with 4123 * call tracking. 4124 */ 4125 /* package */ logState()4126 void logState() { 4127 if (!VERBOSE_STATE_LOGGING) { 4128 return; 4129 } 4130 4131 StringBuilder sb = new StringBuilder(); 4132 sb.append("Current IMS PhoneCall State:\n"); 4133 sb.append(" Foreground: "); 4134 sb.append(mForegroundCall); 4135 sb.append("\n"); 4136 sb.append(" Background: "); 4137 sb.append(mBackgroundCall); 4138 sb.append("\n"); 4139 sb.append(" Ringing: "); 4140 sb.append(mRingingCall); 4141 sb.append("\n"); 4142 sb.append(" Handover: "); 4143 sb.append(mHandoverCall); 4144 sb.append("\n"); 4145 Rlog.v(LOG_TAG, sb.toString()); 4146 } 4147 4148 @Override dump(FileDescriptor fd, PrintWriter printWriter, String[] args)4149 public void dump(FileDescriptor fd, PrintWriter printWriter, String[] args) { 4150 IndentingPrintWriter pw = new IndentingPrintWriter(printWriter, " "); 4151 pw.println("ImsPhoneCallTracker extends:"); 4152 pw.increaseIndent(); 4153 super.dump(fd, pw, args); 4154 pw.decreaseIndent(); 4155 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 4156 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 4157 pw.println(" mRingingCall=" + mRingingCall); 4158 pw.println(" mForegroundCall=" + mForegroundCall); 4159 pw.println(" mBackgroundCall=" + mBackgroundCall); 4160 pw.println(" mHandoverCall=" + mHandoverCall); 4161 pw.println(" mPendingMO=" + mPendingMO); 4162 pw.println(" mPhone=" + mPhone); 4163 pw.println(" mDesiredMute=" + mDesiredMute); 4164 pw.println(" mState=" + mState); 4165 pw.println(" mMmTelCapabilities=" + mMmTelCapabilities); 4166 pw.println(" mDefaultDialerUid=" + mDefaultDialerUid.get()); 4167 pw.println(" mVtDataUsageSnapshot=" + mVtDataUsageSnapshot); 4168 pw.println(" mVtDataUsageUidSnapshot=" + mVtDataUsageUidSnapshot); 4169 pw.println(" mCallQualityMetrics=" + mCallQualityMetrics); 4170 pw.println(" mCallQualityMetricsHistory=" + mCallQualityMetricsHistory); 4171 pw.println(" mIsConferenceEventPackageHandlingEnabled=" + mIsConferenceEventPackageEnabled); 4172 pw.println(" mSupportCepOnPeer=" + mSupportCepOnPeer); 4173 pw.println(" Event Log:"); 4174 pw.increaseIndent(); 4175 mOperationLocalLog.dump(pw); 4176 pw.decreaseIndent(); 4177 pw.flush(); 4178 pw.println("++++++++++++++++++++++++++++++++"); 4179 4180 try { 4181 if (mImsManager != null) { 4182 mImsManager.dump(fd, pw, args); 4183 } 4184 } catch (Exception e) { 4185 e.printStackTrace(); 4186 } 4187 4188 if (mConnections != null && mConnections.size() > 0) { 4189 pw.println("mConnections:"); 4190 for (int i = 0; i < mConnections.size(); i++) { 4191 pw.println(" [" + i + "]: " + mConnections.get(i)); 4192 } 4193 } 4194 } 4195 4196 @Override handlePollCalls(AsyncResult ar)4197 protected void handlePollCalls(AsyncResult ar) { 4198 } 4199 4200 @UnsupportedAppUsage 4201 /* package */ getEcbmInterface()4202 ImsEcbm getEcbmInterface() throws ImsException { 4203 if (mImsManager == null) { 4204 throw getImsManagerIsNullException(); 4205 } 4206 4207 ImsEcbm ecbm = mImsManager.getEcbmInterface(); 4208 return ecbm; 4209 } 4210 4211 /* package */ getMultiEndpointInterface()4212 ImsMultiEndpoint getMultiEndpointInterface() throws ImsException { 4213 if (mImsManager == null) { 4214 throw getImsManagerIsNullException(); 4215 } 4216 4217 try { 4218 return mImsManager.getMultiEndpointInterface(); 4219 } catch (ImsException e) { 4220 if (e.getCode() == ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED) { 4221 return null; 4222 } else { 4223 throw e; 4224 } 4225 4226 } 4227 } 4228 isInEmergencyCall()4229 public boolean isInEmergencyCall() { 4230 return mIsInEmergencyCall; 4231 } 4232 4233 /** 4234 * Contacts the ImsService directly for capability information. May be slow. 4235 * @return true if the IMS capability for the specified registration technology is currently 4236 * available. 4237 */ isImsCapabilityAvailable(int capability, int regTech)4238 public boolean isImsCapabilityAvailable(int capability, int regTech) throws ImsException { 4239 if (mImsManager != null) { 4240 return mImsManager.queryMmTelCapabilityStatus(capability, regTech); 4241 } else { 4242 return false; 4243 } 4244 } 4245 isVolteEnabled()4246 public boolean isVolteEnabled() { 4247 return isImsCapabilityInCacheAvailable(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE, 4248 ImsRegistrationImplBase.REGISTRATION_TECH_LTE); 4249 } 4250 isVowifiEnabled()4251 public boolean isVowifiEnabled() { 4252 return isImsCapabilityInCacheAvailable(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE, 4253 ImsRegistrationImplBase.REGISTRATION_TECH_IWLAN); 4254 } 4255 isVideoCallEnabled()4256 public boolean isVideoCallEnabled() { 4257 // Currently no reliance on transport technology. 4258 return mMmTelCapabilities.isCapable(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VIDEO); 4259 } 4260 isImsCapabilityInCacheAvailable(int capability, int regTech)4261 private boolean isImsCapabilityInCacheAvailable(int capability, int regTech) { 4262 return (getImsRegistrationTech() == regTech) && mMmTelCapabilities.isCapable(capability); 4263 } 4264 4265 @Override getState()4266 public PhoneConstants.State getState() { 4267 return mState; 4268 } 4269 getImsRegistrationTech()4270 public int getImsRegistrationTech() { 4271 if (mImsManager != null) { 4272 return mImsManager.getRegistrationTech(); 4273 } 4274 return ImsRegistrationImplBase.REGISTRATION_TECH_NONE; 4275 } 4276 4277 /** 4278 * Asynchronously gets the IMS registration technology for MMTEL. 4279 */ getImsRegistrationTech(Consumer<Integer> callback)4280 public void getImsRegistrationTech(Consumer<Integer> callback) { 4281 if (mImsManager != null) { 4282 mImsManager.getRegistrationTech(callback); 4283 } else { 4284 callback.accept(ImsRegistrationImplBase.REGISTRATION_TECH_NONE); 4285 } 4286 } 4287 retryGetImsService()4288 private void retryGetImsService() { 4289 // The binder connection is already up. Do not try to get it again. 4290 if (mImsManager.isServiceAvailable()) { 4291 return; 4292 } 4293 4294 mImsManagerConnector.connect(); 4295 } 4296 4297 @UnsupportedAppUsage setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall)4298 private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) 4299 throws RemoteException { 4300 IImsVideoCallProvider imsVideoCallProvider = 4301 imsCall.getCallSession().getVideoCallProvider(); 4302 if (imsVideoCallProvider != null) { 4303 // TODO: Remove this when we can better formalize the format of session modify requests. 4304 boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean( 4305 com.android.internal.R.bool.config_useVideoPauseWorkaround); 4306 4307 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 4308 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 4309 if (useVideoPauseWorkaround) { 4310 imsVideoCallProviderWrapper.setUseVideoPauseWorkaround(useVideoPauseWorkaround); 4311 } 4312 conn.setVideoProvider(imsVideoCallProviderWrapper); 4313 imsVideoCallProviderWrapper.registerForDataUsageUpdate 4314 (this, EVENT_VT_DATA_USAGE_UPDATE, imsCall); 4315 imsVideoCallProviderWrapper.addImsVideoProviderCallback(conn); 4316 } 4317 } 4318 isUtEnabled()4319 public boolean isUtEnabled() { 4320 // Currently no reliance on transport technology 4321 return mMmTelCapabilities.isCapable(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_UT); 4322 } 4323 4324 /** 4325 * Given a call subject, removes any characters considered by the current carrier to be 4326 * invalid, as well as escaping (using \) any characters which the carrier requires to be 4327 * escaped. 4328 * 4329 * @param callSubject The call subject. 4330 * @return The call subject with invalid characters removed and escaping applied as required. 4331 */ cleanseInstantLetteringMessage(String callSubject)4332 private String cleanseInstantLetteringMessage(String callSubject) { 4333 if (TextUtils.isEmpty(callSubject)) { 4334 return callSubject; 4335 } 4336 4337 // Get the carrier config for the current sub. 4338 CarrierConfigManager configMgr = (CarrierConfigManager) 4339 mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 4340 // Bail if we can't find the carrier config service. 4341 if (configMgr == null) { 4342 return callSubject; 4343 } 4344 4345 PersistableBundle carrierConfig = configMgr.getConfigForSubId(mPhone.getSubId()); 4346 // Bail if no carrier config found. 4347 if (carrierConfig == null) { 4348 return callSubject; 4349 } 4350 4351 // Try to replace invalid characters 4352 String invalidCharacters = carrierConfig.getString( 4353 CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING); 4354 if (!TextUtils.isEmpty(invalidCharacters)) { 4355 callSubject = callSubject.replaceAll(invalidCharacters, ""); 4356 } 4357 4358 // Try to escape characters which need to be escaped. 4359 String escapedCharacters = carrierConfig.getString( 4360 CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING); 4361 if (!TextUtils.isEmpty(escapedCharacters)) { 4362 callSubject = escapeChars(escapedCharacters, callSubject); 4363 } 4364 return callSubject; 4365 } 4366 4367 /** 4368 * Given a source string, return a string where a set of characters are escaped using the 4369 * backslash character. 4370 * 4371 * @param toEscape The characters to escape with a backslash. 4372 * @param source The source string. 4373 * @return The source string with characters escaped. 4374 */ escapeChars(String toEscape, String source)4375 private String escapeChars(String toEscape, String source) { 4376 StringBuilder escaped = new StringBuilder(); 4377 for (char c : source.toCharArray()) { 4378 if (toEscape.contains(Character.toString(c))) { 4379 escaped.append("\\"); 4380 } 4381 escaped.append(c); 4382 } 4383 4384 return escaped.toString(); 4385 } 4386 4387 /** 4388 * Initiates a pull of an external call. 4389 * 4390 * Initiates a pull by making a dial request with the {@link ImsCallProfile#EXTRA_IS_CALL_PULL} 4391 * extra specified. We call {@link ImsPhone#notifyUnknownConnection(Connection)} which notifies 4392 * Telecom of the new dialed connection. The 4393 * {@code PstnIncomingCallNotifier#maybeSwapWithUnknownConnection} logic ensures that the new 4394 * {@link ImsPhoneConnection} resulting from the dial gets swapped with the 4395 * {@link ImsExternalConnection}, which effectively makes the external call become a regular 4396 * call. Magic! 4397 * 4398 * @param number The phone number of the call to be pulled. 4399 * @param videoState The desired video state of the pulled call. 4400 * @param dialogId The {@link ImsExternalConnection#getCallId()} dialog id associated with the 4401 * call which is being pulled. 4402 */ 4403 @Override pullExternalCall(String number, int videoState, int dialogId)4404 public void pullExternalCall(String number, int videoState, int dialogId) { 4405 Bundle extras = new Bundle(); 4406 extras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, true); 4407 extras.putInt(ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID, dialogId); 4408 try { 4409 Connection connection = dial(number, videoState, extras); 4410 mPhone.notifyUnknownConnection(connection); 4411 } catch (CallStateException e) { 4412 loge("pullExternalCall failed - " + e); 4413 } 4414 } 4415 getImsManagerIsNullException()4416 private ImsException getImsManagerIsNullException() { 4417 return new ImsException("no ims manager", ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 4418 } 4419 4420 /** 4421 * Determines if answering an incoming call will cause the active call to be disconnected. 4422 * <p> 4423 * This will be the case if 4424 * {@link CarrierConfigManager#KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL} is 4425 * {@code true} for the carrier, the active call is a video call over WIFI, and the incoming 4426 * call is an audio call. 4427 * 4428 * @param activeCall The active call. 4429 * @param incomingCall The incoming call. 4430 * @return {@code true} if answering the incoming call will cause the active call to be 4431 * disconnected, {@code false} otherwise. 4432 */ shouldDisconnectActiveCallOnAnswer(ImsCall activeCall, ImsCall incomingCall)4433 private boolean shouldDisconnectActiveCallOnAnswer(ImsCall activeCall, 4434 ImsCall incomingCall) { 4435 4436 if (activeCall == null || incomingCall == null) { 4437 return false; 4438 } 4439 4440 if (!mDropVideoCallWhenAnsweringAudioCall) { 4441 return false; 4442 } 4443 4444 boolean isActiveCallVideo = activeCall.isVideoCall() || 4445 (mTreatDowngradedVideoCallsAsVideoCalls && activeCall.wasVideoCall()); 4446 boolean isActiveCallOnWifi = activeCall.isWifiCall(); 4447 boolean isVoWifiEnabled = mImsManager.isWfcEnabledByPlatform() 4448 && mImsManager.isWfcEnabledByUser(); 4449 boolean isIncomingCallAudio = !incomingCall.isVideoCall(); 4450 log("shouldDisconnectActiveCallOnAnswer : isActiveCallVideo=" + isActiveCallVideo + 4451 " isActiveCallOnWifi=" + isActiveCallOnWifi + " isIncomingCallAudio=" + 4452 isIncomingCallAudio + " isVowifiEnabled=" + isVoWifiEnabled); 4453 4454 return isActiveCallVideo && isActiveCallOnWifi && isIncomingCallAudio && !isVoWifiEnabled; 4455 } 4456 registerPhoneStateListener(PhoneStateListener listener)4457 public void registerPhoneStateListener(PhoneStateListener listener) { 4458 mPhoneStateListeners.add(listener); 4459 } 4460 unregisterPhoneStateListener(PhoneStateListener listener)4461 public void unregisterPhoneStateListener(PhoneStateListener listener) { 4462 mPhoneStateListeners.remove(listener); 4463 } 4464 4465 /** 4466 * Notifies local telephony listeners of changes to the IMS phone state. 4467 * 4468 * @param oldState The old state. 4469 * @param newState The new state. 4470 */ notifyPhoneStateChanged(PhoneConstants.State oldState, PhoneConstants.State newState)4471 private void notifyPhoneStateChanged(PhoneConstants.State oldState, 4472 PhoneConstants.State newState) { 4473 4474 for (PhoneStateListener listener : mPhoneStateListeners) { 4475 listener.onPhoneStateChanged(oldState, newState); 4476 } 4477 } 4478 4479 /** Modify video call to a new video state. 4480 * 4481 * @param imsCall IMS call to be modified 4482 * @param newVideoState New video state. (Refer to VideoProfile) 4483 */ modifyVideoCall(ImsCall imsCall, int newVideoState)4484 private void modifyVideoCall(ImsCall imsCall, int newVideoState) { 4485 ImsPhoneConnection conn = findConnection(imsCall); 4486 if (conn != null) { 4487 int oldVideoState = conn.getVideoState(); 4488 if (conn.getVideoProvider() != null) { 4489 conn.getVideoProvider().onSendSessionModifyRequest( 4490 new VideoProfile(oldVideoState), new VideoProfile(newVideoState)); 4491 } 4492 } 4493 } 4494 isViLteDataMetered()4495 public boolean isViLteDataMetered() { 4496 return mIsViLteDataMetered; 4497 } 4498 4499 /** 4500 * Handler of data enabled changed event 4501 * @param enabled True if data is enabled, otherwise disabled. 4502 * @param reason Reason for data enabled/disabled. See {@link DataEnabledChangedReason}. 4503 */ onDataEnabledChanged(boolean enabled, @DataEnabledChangedReason int reason)4504 private void onDataEnabledChanged(boolean enabled, @DataEnabledChangedReason int reason) { 4505 4506 log("onDataEnabledChanged: enabled=" + enabled + ", reason=" + reason); 4507 4508 mIsDataEnabled = enabled; 4509 4510 if (!mIsViLteDataMetered) { 4511 log("Ignore data " + ((enabled) ? "enabled" : "disabled") + " - carrier policy " 4512 + "indicates that data is not metered for ViLTE calls."); 4513 return; 4514 } 4515 4516 // Inform connections that data has been disabled to ensure we turn off video capability 4517 // if this is an LTE call. 4518 for (ImsPhoneConnection conn : mConnections) { 4519 ImsCall imsCall = conn.getImsCall(); 4520 boolean isLocalVideoCapable = enabled || (imsCall != null && imsCall.isWifiCall()); 4521 conn.setLocalVideoCapable(isLocalVideoCapable); 4522 } 4523 4524 int reasonCode; 4525 if (reason == DataEnabledSettings.REASON_POLICY_DATA_ENABLED) { 4526 reasonCode = ImsReasonInfo.CODE_DATA_LIMIT_REACHED; 4527 } else if (reason == DataEnabledSettings.REASON_USER_DATA_ENABLED) { 4528 reasonCode = ImsReasonInfo.CODE_DATA_DISABLED; 4529 } else { 4530 // Unexpected code, default to data disabled. 4531 reasonCode = ImsReasonInfo.CODE_DATA_DISABLED; 4532 } 4533 4534 // Potentially send connection events so the InCall UI knows that video calls are being 4535 // downgraded due to data being enabled/disabled. 4536 maybeNotifyDataDisabled(enabled, reasonCode); 4537 // Handle video state changes required as a result of data being enabled/disabled. 4538 handleDataEnabledChange(enabled, reasonCode); 4539 4540 // We do not want to update the ImsConfig for REASON_REGISTERED, since it can happen before 4541 // the carrier config has loaded and will deregister IMS. 4542 if (!mShouldUpdateImsConfigOnDisconnect 4543 && reason != DataEnabledSettings.REASON_REGISTERED && mCarrierConfigLoaded) { 4544 // This will call into updateVideoCallFeatureValue and eventually all clients will be 4545 // asynchronously notified that the availability of VT over LTE has changed. 4546 if (mImsManager != null) { 4547 mImsManager.updateImsServiceConfig(true); 4548 } 4549 } 4550 } 4551 maybeNotifyDataDisabled(boolean enabled, int reasonCode)4552 private void maybeNotifyDataDisabled(boolean enabled, int reasonCode) { 4553 if (!enabled) { 4554 // If data is disabled while there are ongoing VT calls which are not taking place over 4555 // wifi, then they should be disconnected to prevent the user from incurring further 4556 // data charges. 4557 for (ImsPhoneConnection conn : mConnections) { 4558 ImsCall imsCall = conn.getImsCall(); 4559 if (imsCall != null && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 4560 if (conn.hasCapabilities( 4561 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_LOCAL | 4562 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_REMOTE)) { 4563 4564 // If the carrier supports downgrading to voice, then we can simply issue a 4565 // downgrade to voice instead of terminating the call. 4566 if (reasonCode == ImsReasonInfo.CODE_DATA_DISABLED) { 4567 conn.onConnectionEvent(TelephonyManager.EVENT_DOWNGRADE_DATA_DISABLED, 4568 null); 4569 } else if (reasonCode == ImsReasonInfo.CODE_DATA_LIMIT_REACHED) { 4570 conn.onConnectionEvent( 4571 TelephonyManager.EVENT_DOWNGRADE_DATA_LIMIT_REACHED, null); 4572 } 4573 } 4574 } 4575 } 4576 } 4577 } 4578 4579 /** 4580 * Handles changes to the enabled state of mobile data. 4581 * When data is disabled, handles auto-downgrade of video calls over LTE. 4582 * When data is enabled, handled resuming of video calls paused when data was disabled. 4583 * @param enabled {@code true} if mobile data is enabled, {@code false} if mobile data is 4584 * disabled. 4585 * @param reasonCode The {@link ImsReasonInfo} code for the data enabled state change. 4586 */ handleDataEnabledChange(boolean enabled, int reasonCode)4587 private void handleDataEnabledChange(boolean enabled, int reasonCode) { 4588 if (!enabled) { 4589 // If data is disabled while there are ongoing VT calls which are not taking place over 4590 // wifi, then they should be disconnected to prevent the user from incurring further 4591 // data charges. 4592 for (ImsPhoneConnection conn : mConnections) { 4593 ImsCall imsCall = conn.getImsCall(); 4594 if (imsCall != null && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 4595 log("handleDataEnabledChange - downgrading " + conn); 4596 downgradeVideoCall(reasonCode, conn); 4597 } 4598 } 4599 } else if (mSupportPauseVideo) { 4600 // Data was re-enabled, so un-pause previously paused video calls. 4601 for (ImsPhoneConnection conn : mConnections) { 4602 // If video is paused, check to see if there are any pending pauses due to enabled 4603 // state of data changing. 4604 log("handleDataEnabledChange - resuming " + conn); 4605 if (VideoProfile.isPaused(conn.getVideoState()) && 4606 conn.wasVideoPausedFromSource(VideoPauseTracker.SOURCE_DATA_ENABLED)) { 4607 // The data enabled state was a cause of a pending pause, so potentially 4608 // resume the video now. 4609 conn.resumeVideo(VideoPauseTracker.SOURCE_DATA_ENABLED); 4610 } 4611 } 4612 mShouldUpdateImsConfigOnDisconnect = false; 4613 } 4614 } 4615 4616 /** 4617 * Handles downgrading a video call. The behavior depends on carrier capabilities; we will 4618 * attempt to take one of the following actions (in order of precedence): 4619 * 1. If supported by the carrier, the call will be downgraded to an audio-only call. 4620 * 2. If the carrier supports video pause signalling, the video will be paused. 4621 * 3. The call will be disconnected. 4622 * @param reasonCode The {@link ImsReasonInfo} reason code for the downgrade. 4623 * @param conn The {@link ImsPhoneConnection} to downgrade. 4624 */ downgradeVideoCall(int reasonCode, ImsPhoneConnection conn)4625 private void downgradeVideoCall(int reasonCode, ImsPhoneConnection conn) { 4626 ImsCall imsCall = conn.getImsCall(); 4627 if (imsCall != null) { 4628 if (conn.hasCapabilities( 4629 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_LOCAL | 4630 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_REMOTE) 4631 && !mSupportPauseVideo) { 4632 log("downgradeVideoCall :: callId=" + conn.getTelecomCallId() 4633 + " Downgrade to audio"); 4634 // If the carrier supports downgrading to voice, then we can simply issue a 4635 // downgrade to voice instead of terminating the call. 4636 modifyVideoCall(imsCall, VideoProfile.STATE_AUDIO_ONLY); 4637 } else if (mSupportPauseVideo && reasonCode != ImsReasonInfo.CODE_WIFI_LOST) { 4638 // The carrier supports video pause signalling, so pause the video if we didn't just 4639 // lose wifi; in that case just disconnect. 4640 log("downgradeVideoCall :: callId=" + conn.getTelecomCallId() 4641 + " Pause audio"); 4642 mShouldUpdateImsConfigOnDisconnect = true; 4643 conn.pauseVideo(VideoPauseTracker.SOURCE_DATA_ENABLED); 4644 } else { 4645 log("downgradeVideoCall :: callId=" + conn.getTelecomCallId() 4646 + " Disconnect call."); 4647 // At this point the only choice we have is to terminate the call. 4648 imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED, reasonCode); 4649 } 4650 } 4651 } 4652 resetImsCapabilities()4653 private void resetImsCapabilities() { 4654 log("Resetting Capabilities..."); 4655 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 4656 mMmTelCapabilities = new MmTelFeature.MmTelCapabilities(); 4657 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 4658 mPhone.resetImsRegistrationState(); 4659 mPhone.processDisconnectReason(new ImsReasonInfo(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN, 4660 ImsReasonInfo.CODE_UNSPECIFIED)); 4661 boolean isVideoEnabled = isVideoCallEnabled(); 4662 if (tmpIsVideoCallEnabled != isVideoEnabled) { 4663 mPhone.notifyForVideoCapabilityChanged(isVideoEnabled); 4664 } 4665 } 4666 4667 /** 4668 * @return {@code true} if the device is connected to a WIFI network, {@code false} otherwise. 4669 */ isWifiConnected()4670 private boolean isWifiConnected() { 4671 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 4672 .getSystemService(Context.CONNECTIVITY_SERVICE); 4673 if (cm != null) { 4674 NetworkInfo ni = cm.getActiveNetworkInfo(); 4675 if (ni != null && ni.isConnected()) { 4676 return ni.getType() == ConnectivityManager.TYPE_WIFI; 4677 } 4678 } 4679 return false; 4680 } 4681 4682 /** 4683 * Registers for changes to network connectivity. Specifically requests the availability of new 4684 * WIFI networks which an IMS video call could potentially hand over to. 4685 */ registerForConnectivityChanges()4686 private void registerForConnectivityChanges() { 4687 if (mIsMonitoringConnectivity || !mNotifyVtHandoverToWifiFail) { 4688 return; 4689 } 4690 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 4691 .getSystemService(Context.CONNECTIVITY_SERVICE); 4692 if (cm != null) { 4693 Rlog.i(LOG_TAG, "registerForConnectivityChanges"); 4694 NetworkRequest.Builder builder = new NetworkRequest.Builder(); 4695 builder.addTransportType(NetworkCapabilities.TRANSPORT_WIFI); 4696 cm.registerNetworkCallback(builder.build(), mNetworkCallback); 4697 mIsMonitoringConnectivity = true; 4698 } 4699 } 4700 4701 /** 4702 * Unregister for connectivity changes. Will be called when a call disconnects or if the call 4703 * ends up handing over to WIFI. 4704 */ unregisterForConnectivityChanges()4705 private void unregisterForConnectivityChanges() { 4706 if (!mIsMonitoringConnectivity || !mNotifyVtHandoverToWifiFail) { 4707 return; 4708 } 4709 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 4710 .getSystemService(Context.CONNECTIVITY_SERVICE); 4711 if (cm != null) { 4712 Rlog.i(LOG_TAG, "unregisterForConnectivityChanges"); 4713 cm.unregisterNetworkCallback(mNetworkCallback); 4714 mIsMonitoringConnectivity = false; 4715 } 4716 } 4717 4718 /** 4719 * If the foreground call is a video call, schedule a handover check if one is not already 4720 * scheduled. This method is intended ONLY for use when scheduling to watch for mid-call 4721 * handovers. 4722 */ scheduleHandoverCheck()4723 private void scheduleHandoverCheck() { 4724 ImsCall fgCall = mForegroundCall.getImsCall(); 4725 ImsPhoneConnection conn = mForegroundCall.getFirstConnection(); 4726 if (!mNotifyVtHandoverToWifiFail || fgCall == null || !fgCall.isVideoCall() || conn == null 4727 || conn.getDisconnectCause() != DisconnectCause.NOT_DISCONNECTED) { 4728 return; 4729 } 4730 4731 if (!hasMessages(EVENT_CHECK_FOR_WIFI_HANDOVER)) { 4732 Rlog.i(LOG_TAG, "scheduleHandoverCheck: schedule"); 4733 sendMessageDelayed(obtainMessage(EVENT_CHECK_FOR_WIFI_HANDOVER, fgCall), 4734 HANDOVER_TO_WIFI_TIMEOUT_MS); 4735 } 4736 } 4737 4738 /** 4739 * @return {@code true} if downgrading of a video call to audio is supported. 4740 */ isCarrierDowngradeOfVtCallSupported()4741 public boolean isCarrierDowngradeOfVtCallSupported() { 4742 return mSupportDowngradeVtToAudio; 4743 } 4744 4745 @VisibleForTesting setDataEnabled(boolean isDataEnabled)4746 public void setDataEnabled(boolean isDataEnabled) { 4747 mIsDataEnabled = isDataEnabled; 4748 } 4749 4750 // Removes old call quality metrics if mCallQualityMetricsHistory exceeds its max size pruneCallQualityMetricsHistory()4751 private void pruneCallQualityMetricsHistory() { 4752 if (mCallQualityMetricsHistory.size() > MAX_CALL_QUALITY_HISTORY) { 4753 mCallQualityMetricsHistory.poll(); 4754 } 4755 } 4756 handleFeatureCapabilityChanged(ImsFeature.Capabilities capabilities)4757 private void handleFeatureCapabilityChanged(ImsFeature.Capabilities capabilities) { 4758 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 4759 // Check enabledFeatures to determine capabilities. We ignore disabledFeatures. 4760 StringBuilder sb; 4761 if (DBG) { 4762 sb = new StringBuilder(120); 4763 sb.append("handleFeatureCapabilityChanged: "); 4764 } 4765 sb.append(capabilities); 4766 mMmTelCapabilities = new MmTelFeature.MmTelCapabilities(capabilities); 4767 4768 boolean isVideoEnabled = isVideoCallEnabled(); 4769 boolean isVideoEnabledStatechanged = tmpIsVideoCallEnabled != isVideoEnabled; 4770 if (DBG) { 4771 sb.append(" isVideoEnabledStateChanged="); 4772 sb.append(isVideoEnabledStatechanged); 4773 } 4774 4775 if (isVideoEnabledStatechanged) { 4776 log("handleFeatureCapabilityChanged - notifyForVideoCapabilityChanged=" 4777 + isVideoEnabled); 4778 mPhone.notifyForVideoCapabilityChanged(isVideoEnabled); 4779 } 4780 4781 if (DBG) log(sb.toString()); 4782 4783 String logMessage = "handleFeatureCapabilityChanged: isVolteEnabled=" + isVolteEnabled() 4784 + ", isVideoCallEnabled=" + isVideoCallEnabled() 4785 + ", isVowifiEnabled=" + isVowifiEnabled() 4786 + ", isUtEnabled=" + isUtEnabled(); 4787 if (DBG) { 4788 log(logMessage); 4789 } 4790 mRegLocalLog.log(logMessage); 4791 4792 mPhone.onFeatureCapabilityChanged(); 4793 4794 mMetrics.writeOnImsCapabilities(mPhone.getPhoneId(), getImsRegistrationTech(), 4795 mMmTelCapabilities); 4796 } 4797 4798 @VisibleForTesting onCallHoldReceived(ImsCall imsCall)4799 public void onCallHoldReceived(ImsCall imsCall) { 4800 if (DBG) log("onCallHoldReceived"); 4801 4802 ImsPhoneConnection conn = findConnection(imsCall); 4803 if (conn != null) { 4804 if (!mOnHoldToneStarted && (ImsPhoneCall.isLocalTone(imsCall) 4805 || mAlwaysPlayRemoteHoldTone) && 4806 conn.getState() == ImsPhoneCall.State.ACTIVE) { 4807 mPhone.startOnHoldTone(conn); 4808 mOnHoldToneStarted = true; 4809 mOnHoldToneId = System.identityHashCode(conn); 4810 } 4811 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_HELD, null); 4812 4813 boolean useVideoPauseWorkaround = mPhone.getContext().getResources().getBoolean( 4814 com.android.internal.R.bool.config_useVideoPauseWorkaround); 4815 if (useVideoPauseWorkaround && mSupportPauseVideo && 4816 VideoProfile.isVideo(conn.getVideoState())) { 4817 // If we are using the video pause workaround, the vendor IMS code has issues 4818 // with video pause signalling. In this case, when a call is remotely 4819 // held, the modem does not reliably change the video state of the call to be 4820 // paused. 4821 // As a workaround, we will turn on that bit now. 4822 conn.changeToPausedState(); 4823 } 4824 } 4825 4826 SuppServiceNotification supp = new SuppServiceNotification(); 4827 supp.notificationType = SuppServiceNotification.NOTIFICATION_TYPE_CODE_2; 4828 supp.code = SuppServiceNotification.CODE_2_CALL_ON_HOLD; 4829 mPhone.notifySuppSvcNotification(supp); 4830 mMetrics.writeOnImsCallHoldReceived(mPhone.getPhoneId(), imsCall.getCallSession()); 4831 } 4832 4833 @VisibleForTesting setAlwaysPlayRemoteHoldTone(boolean shouldPlayRemoteHoldTone)4834 public void setAlwaysPlayRemoteHoldTone(boolean shouldPlayRemoteHoldTone) { 4835 mAlwaysPlayRemoteHoldTone = shouldPlayRemoteHoldTone; 4836 } 4837 getNetworkCountryIso()4838 private String getNetworkCountryIso() { 4839 String countryIso = ""; 4840 if (mPhone != null) { 4841 ServiceStateTracker sst = mPhone.getServiceStateTracker(); 4842 if (sst != null) { 4843 LocaleTracker lt = sst.getLocaleTracker(); 4844 if (lt != null) { 4845 countryIso = lt.getCurrentCountry(); 4846 } 4847 } 4848 } 4849 return countryIso; 4850 } 4851 4852 @Override getPhone()4853 public ImsPhone getPhone() { 4854 return mPhone; 4855 } 4856 4857 @VisibleForTesting setSupportCepOnPeer(boolean isSupported)4858 public void setSupportCepOnPeer(boolean isSupported) { 4859 mSupportCepOnPeer = isSupported; 4860 } 4861 4862 /** 4863 * Injects a test conference state into an ongoing IMS call. 4864 * @param state The injected state. 4865 */ injectTestConferenceState(@onNull ImsConferenceState state)4866 public void injectTestConferenceState(@NonNull ImsConferenceState state) { 4867 List<ConferenceParticipant> participants = ImsCall.parseConferenceState(state); 4868 for (ImsPhoneConnection connection : getConnections()) { 4869 connection.updateConferenceParticipants(participants); 4870 } 4871 } 4872 4873 /** 4874 * Sets whether CEP handling is enabled or disabled. 4875 * @param isEnabled 4876 */ setConferenceEventPackageEnabled(boolean isEnabled)4877 public void setConferenceEventPackageEnabled(boolean isEnabled) { 4878 log("setConferenceEventPackageEnabled isEnabled=" + isEnabled); 4879 mIsConferenceEventPackageEnabled = isEnabled; 4880 } 4881 4882 /** 4883 * @return {@code true} is conference event package handling is enabled, {@code false} 4884 * otherwise. 4885 */ isConferenceEventPackageEnabled()4886 public boolean isConferenceEventPackageEnabled() { 4887 return mIsConferenceEventPackageEnabled; 4888 } 4889 4890 @VisibleForTesting getImsCallListener()4891 public ImsCall.Listener getImsCallListener() { 4892 return mImsCallListener; 4893 } 4894 4895 @VisibleForTesting getConnections()4896 public ArrayList<ImsPhoneConnection> getConnections() { 4897 return mConnections; 4898 } 4899 } 4900