ImsPhoneCallTracker.java revision 5e234c6717dfdc6172c774c2c7cc4cfbe6c116a6
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 17package com.android.internal.telephony.imsphone; 18 19import android.app.PendingIntent; 20import android.content.BroadcastReceiver; 21import android.content.Context; 22import android.content.Intent; 23import android.content.IntentFilter; 24import android.content.SharedPreferences; 25import android.content.pm.PackageManager; 26import android.net.ConnectivityManager; 27import android.net.NetworkInfo; 28import android.net.NetworkStats; 29import android.net.Uri; 30import android.os.AsyncResult; 31import android.os.Bundle; 32import android.os.Handler; 33import android.os.Message; 34import android.os.PersistableBundle; 35import android.os.Registrant; 36import android.os.RegistrantList; 37import android.os.RemoteException; 38import android.os.SystemClock; 39import android.os.SystemProperties; 40import android.preference.PreferenceManager; 41import android.provider.Settings; 42import android.telecom.ConferenceParticipant; 43import android.telecom.TelecomManager; 44import android.telecom.VideoProfile; 45import android.telephony.CarrierConfigManager; 46import android.telephony.DisconnectCause; 47import android.telephony.PhoneNumberUtils; 48import android.telephony.PreciseDisconnectCause; 49import android.telephony.Rlog; 50import android.telephony.ServiceState; 51import android.telephony.SubscriptionManager; 52import android.telephony.TelephonyManager; 53import android.telephony.ims.ImsServiceProxy; 54import android.telephony.ims.feature.ImsFeature; 55import android.text.TextUtils; 56import android.util.ArrayMap; 57import android.util.Log; 58import android.util.Pair; 59import android.util.SparseIntArray; 60 61import com.android.ims.ImsCall; 62import com.android.ims.ImsCallProfile; 63import com.android.ims.ImsConfig; 64import com.android.ims.ImsConfigListener; 65import com.android.ims.ImsConnectionStateListener; 66import com.android.ims.ImsEcbm; 67import com.android.ims.ImsException; 68import com.android.ims.ImsManager; 69import com.android.ims.ImsMultiEndpoint; 70import com.android.ims.ImsReasonInfo; 71import com.android.ims.ImsServiceClass; 72import com.android.ims.ImsSuppServiceNotification; 73import com.android.ims.ImsUtInterface; 74import com.android.ims.internal.IImsVideoCallProvider; 75import com.android.ims.internal.ImsVideoCallProviderWrapper; 76import com.android.ims.internal.VideoPauseTracker; 77import com.android.internal.annotations.VisibleForTesting; 78import com.android.internal.telephony.Call; 79import com.android.internal.telephony.CallStateException; 80import com.android.internal.telephony.CallTracker; 81import com.android.internal.telephony.CommandException; 82import com.android.internal.telephony.CommandsInterface; 83import com.android.internal.telephony.Connection; 84import com.android.internal.telephony.Phone; 85import com.android.internal.telephony.PhoneConstants; 86import com.android.internal.telephony.TelephonyProperties; 87import com.android.internal.telephony.TelephonyProto.ImsConnectionState; 88import com.android.internal.telephony.TelephonyProto.TelephonyCallSession; 89import com.android.internal.telephony.TelephonyProto.TelephonyCallSession.Event.ImsCommand; 90import com.android.internal.telephony.dataconnection.DataEnabledSettings; 91import com.android.internal.telephony.gsm.SuppServiceNotification; 92import com.android.internal.telephony.metrics.TelephonyMetrics; 93import com.android.server.net.NetworkStatsService; 94 95import java.io.FileDescriptor; 96import java.io.PrintWriter; 97import java.util.ArrayList; 98import java.util.HashMap; 99import java.util.List; 100import java.util.Map; 101import java.util.concurrent.atomic.AtomicInteger; 102import java.util.regex.Pattern; 103 104/** 105 * {@hide} 106 */ 107public class ImsPhoneCallTracker extends CallTracker implements ImsPullCall { 108 static final String LOG_TAG = "ImsPhoneCallTracker"; 109 static final String VERBOSE_STATE_TAG = "IPCTState"; 110 111 public interface PhoneStateListener { 112 void onPhoneStateChanged(PhoneConstants.State oldState, PhoneConstants.State newState); 113 } 114 115 private static final boolean DBG = true; 116 117 // When true, dumps the state of ImsPhoneCallTracker after changes to foreground and background 118 // calls. This is helpful for debugging. It is also possible to enable this at runtime by 119 // setting the IPCTState log tag to VERBOSE. 120 private static final boolean FORCE_VERBOSE_STATE_LOGGING = false; /* stopship if true */ 121 private static final boolean VERBOSE_STATE_LOGGING = FORCE_VERBOSE_STATE_LOGGING || 122 Rlog.isLoggable(VERBOSE_STATE_TAG, Log.VERBOSE); 123 124 //Indices map to ImsConfig.FeatureConstants 125 private boolean[] mImsFeatureEnabled = {false, false, false, false, false, false}; 126 private final String[] mImsFeatureStrings = {"VoLTE", "ViLTE", "VoWiFi", "ViWiFi", 127 "UTLTE", "UTWiFi"}; 128 129 private TelephonyMetrics mMetrics; 130 131 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 132 @Override 133 public void onReceive(Context context, Intent intent) { 134 if (intent.getAction().equals(ImsManager.ACTION_IMS_INCOMING_CALL)) { 135 if (DBG) log("onReceive : incoming call intent"); 136 137 if (mImsManager == null) return; 138 139 if (mServiceId < 0) return; 140 141 try { 142 // Network initiated USSD will be treated by mImsUssdListener 143 boolean isUssd = intent.getBooleanExtra(ImsManager.EXTRA_USSD, false); 144 if (isUssd) { 145 if (DBG) log("onReceive : USSD"); 146 mUssdSession = mImsManager.takeCall(mServiceId, intent, mImsUssdListener); 147 if (mUssdSession != null) { 148 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 149 } 150 return; 151 } 152 153 boolean isUnknown = intent.getBooleanExtra(ImsManager.EXTRA_IS_UNKNOWN_CALL, 154 false); 155 if (DBG) { 156 log("onReceive : isUnknown = " + isUnknown + 157 " fg = " + mForegroundCall.getState() + 158 " bg = " + mBackgroundCall.getState()); 159 } 160 161 // Normal MT/Unknown call 162 ImsCall imsCall = mImsManager.takeCall(mServiceId, intent, mImsCallListener); 163 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone, imsCall, 164 ImsPhoneCallTracker.this, 165 (isUnknown? mForegroundCall: mRingingCall), isUnknown); 166 167 // If there is an active call. 168 if (mForegroundCall.hasConnections()) { 169 ImsCall activeCall = mForegroundCall.getFirstConnection().getImsCall(); 170 if (activeCall != null && imsCall != null) { 171 // activeCall could be null if the foreground call is in a disconnected 172 // state. If either of the calls is null there is no need to check if 173 // one will be disconnected on answer. 174 boolean answeringWillDisconnect = 175 shouldDisconnectActiveCallOnAnswer(activeCall, imsCall); 176 conn.setActiveCallDisconnectedOnAnswer(answeringWillDisconnect); 177 } 178 } 179 conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall); 180 addConnection(conn); 181 182 setVideoCallProvider(conn, imsCall); 183 184 TelephonyMetrics.getInstance().writeOnImsCallReceive(mPhone.getPhoneId(), 185 imsCall.getSession()); 186 187 if (isUnknown) { 188 mPhone.notifyUnknownConnection(conn); 189 } else { 190 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) || 191 (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 192 conn.update(imsCall, ImsPhoneCall.State.WAITING); 193 } 194 195 mPhone.notifyNewRingingConnection(conn); 196 mPhone.notifyIncomingRing(); 197 } 198 199 updatePhoneState(); 200 mPhone.notifyPreciseCallStateChanged(); 201 } catch (ImsException e) { 202 loge("onReceive : exception " + e); 203 } catch (RemoteException e) { 204 } 205 } else if (intent.getAction().equals( 206 CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) { 207 int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, 208 SubscriptionManager.INVALID_SUBSCRIPTION_ID); 209 if (subId == mPhone.getSubId()) { 210 cacheCarrierConfiguration(subId); 211 log("onReceive : Updating mAllowEmergencyVideoCalls = " + 212 mAllowEmergencyVideoCalls); 213 } 214 } else if (TelecomManager.ACTION_CHANGE_DEFAULT_DIALER.equals(intent.getAction())) { 215 mDefaultDialerUid.set(getPackageUid(context, intent.getStringExtra( 216 TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME))); 217 } 218 } 219 }; 220 221 //***** Constants 222 223 static final int MAX_CONNECTIONS = 7; 224 static final int MAX_CONNECTIONS_PER_CALL = 5; 225 226 private static final int EVENT_HANGUP_PENDINGMO = 18; 227 private static final int EVENT_RESUME_BACKGROUND = 19; 228 private static final int EVENT_DIAL_PENDINGMO = 20; 229 private static final int EVENT_EXIT_ECBM_BEFORE_PENDINGMO = 21; 230 private static final int EVENT_VT_DATA_USAGE_UPDATE = 22; 231 private static final int EVENT_DATA_ENABLED_CHANGED = 23; 232 private static final int EVENT_GET_IMS_SERVICE = 24; 233 private static final int EVENT_CHECK_FOR_WIFI_HANDOVER = 25; 234 235 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 236 237 // Initial condition for ims connection retry. 238 private static final int IMS_RETRY_STARTING_TIMEOUT_MS = 500; // ms 239 // Ceiling bitshift amount for service query timeout, calculated as: 240 // 2^mImsServiceRetryCount * IMS_RETRY_STARTING_TIMEOUT_MS, where 241 // mImsServiceRetryCount ∊ [0, CEILING_SERVICE_RETRY_COUNT]. 242 private static final int CEILING_SERVICE_RETRY_COUNT = 6; 243 244 private static final int HANDOVER_TO_WIFI_TIMEOUT_MS = 60000; // ms 245 246 //***** Instance Variables 247 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 248 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 249 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 250 251 public ImsPhoneCall mRingingCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_RINGING); 252 public ImsPhoneCall mForegroundCall = new ImsPhoneCall(this, 253 ImsPhoneCall.CONTEXT_FOREGROUND); 254 public ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this, 255 ImsPhoneCall.CONTEXT_BACKGROUND); 256 public ImsPhoneCall mHandoverCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_HANDOVER); 257 258 // Hold aggregated video call data usage for each video call since boot. 259 // The ImsCall's call id is the key of the map. 260 private final HashMap<Integer, Long> mVtDataUsageMap = new HashMap<>(); 261 262 private volatile NetworkStats mVtDataUsageSnapshot = null; 263 private volatile NetworkStats mVtDataUsageUidSnapshot = null; 264 265 private final AtomicInteger mDefaultDialerUid = new AtomicInteger(NetworkStats.UID_ALL); 266 267 private ImsPhoneConnection mPendingMO; 268 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 269 private Object mSyncHold = new Object(); 270 271 private ImsCall mUssdSession = null; 272 private Message mPendingUssd = null; 273 274 ImsPhone mPhone; 275 276 private boolean mDesiredMute = false; // false = mute off 277 private boolean mOnHoldToneStarted = false; 278 private int mOnHoldToneId = -1; 279 280 private PhoneConstants.State mState = PhoneConstants.State.IDLE; 281 282 private int mImsServiceRetryCount; 283 private ImsManager mImsManager; 284 private int mServiceId = -1; 285 286 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 287 288 private boolean mIsInEmergencyCall = false; 289 private boolean mIsDataEnabled = false; 290 291 private int pendingCallClirMode; 292 private int mPendingCallVideoState; 293 private Bundle mPendingIntentExtras; 294 private boolean pendingCallInEcm = false; 295 private boolean mSwitchingFgAndBgCalls = false; 296 private ImsCall mCallExpectedToResume = null; 297 private boolean mAllowEmergencyVideoCalls = false; 298 private boolean mIgnoreDataEnabledChangedForVideoCalls = false; 299 300 /** 301 * Listeners to changes in the phone state. Intended for use by other interested IMS components 302 * without the need to register a full blown {@link android.telephony.PhoneStateListener}. 303 */ 304 private List<PhoneStateListener> mPhoneStateListeners = new ArrayList<>(); 305 306 /** 307 * Carrier configuration option which determines if video calls which have been downgraded to an 308 * audio call should be treated as if they are still video calls. 309 */ 310 private boolean mTreatDowngradedVideoCallsAsVideoCalls = false; 311 312 /** 313 * Carrier configuration option which determines if an ongoing video call over wifi should be 314 * dropped when an audio call is answered. 315 */ 316 private boolean mDropVideoCallWhenAnsweringAudioCall = false; 317 318 /** 319 * Carrier configuration option which determines whether adding a call during a video call 320 * should be allowed. 321 */ 322 private boolean mAllowAddCallDuringVideoCall = true; 323 324 /** 325 * Carrier configuration option which determines whether to notify the connection if a handover 326 * to wifi fails. 327 */ 328 private boolean mNotifyVtHandoverToWifiFail = false; 329 330 /** 331 * Carrier configuration option which determines whether the carrier supports downgrading a 332 * TX/RX/TX-RX video call directly to an audio-only call. 333 */ 334 private boolean mSupportDowngradeVtToAudio = false; 335 336 /** 337 * Stores the mapping of {@code ImsReasonInfo#CODE_*} to {@code PreciseDisconnectCause#*} 338 */ 339 private static final SparseIntArray PRECISE_CAUSE_MAP = new SparseIntArray(); 340 static { 341 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_ARGUMENT, 342 PreciseDisconnectCause.LOCAL_ILLEGAL_ARGUMENT); 343 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE, 344 PreciseDisconnectCause.LOCAL_ILLEGAL_STATE); 345 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_INTERNAL_ERROR, 346 PreciseDisconnectCause.LOCAL_INTERNAL_ERROR); 347 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN, 348 PreciseDisconnectCause.LOCAL_IMS_SERVICE_DOWN); 349 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NO_PENDING_CALL, 350 PreciseDisconnectCause.LOCAL_NO_PENDING_CALL); 351 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_POWER_OFF, 352 PreciseDisconnectCause.LOCAL_POWER_OFF); 353 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_LOW_BATTERY, 354 PreciseDisconnectCause.LOCAL_LOW_BATTERY); 355 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE, 356 PreciseDisconnectCause.LOCAL_NETWORK_NO_SERVICE); 357 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE, 358 PreciseDisconnectCause.LOCAL_NETWORK_NO_LTE_COVERAGE); 359 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING, 360 PreciseDisconnectCause.LOCAL_NETWORK_ROAMING); 361 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED, 362 PreciseDisconnectCause.LOCAL_NETWORK_IP_CHANGED); 363 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE, 364 PreciseDisconnectCause.LOCAL_SERVICE_UNAVAILABLE); 365 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED, 366 PreciseDisconnectCause.LOCAL_NOT_REGISTERED); 367 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_EXCEEDED, 368 PreciseDisconnectCause.LOCAL_MAX_CALL_EXCEEDED); 369 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_DECLINE, 370 PreciseDisconnectCause.LOCAL_CALL_DECLINE); 371 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING, 372 PreciseDisconnectCause.LOCAL_CALL_VCC_ON_PROGRESSING); 373 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_RESOURCE_RESERVATION_FAILED, 374 PreciseDisconnectCause.LOCAL_CALL_RESOURCE_RESERVATION_FAILED); 375 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED, 376 PreciseDisconnectCause.LOCAL_CALL_CS_RETRY_REQUIRED); 377 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_VOLTE_RETRY_REQUIRED, 378 PreciseDisconnectCause.LOCAL_CALL_VOLTE_RETRY_REQUIRED); 379 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED, 380 PreciseDisconnectCause.LOCAL_CALL_TERMINATED); 381 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOCAL_HO_NOT_FEASIBLE, 382 PreciseDisconnectCause.LOCAL_HO_NOT_FEASIBLE); 383 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING, 384 PreciseDisconnectCause.TIMEOUT_1XX_WAITING); 385 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER, 386 PreciseDisconnectCause.TIMEOUT_NO_ANSWER); 387 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE, 388 PreciseDisconnectCause.TIMEOUT_NO_ANSWER_CALL_UPDATE); 389 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_FDN_BLOCKED, 390 PreciseDisconnectCause.FDN_BLOCKED); 391 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REDIRECTED, 392 PreciseDisconnectCause.SIP_REDIRECTED); 393 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_REQUEST, 394 PreciseDisconnectCause.SIP_BAD_REQUEST); 395 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_FORBIDDEN, 396 PreciseDisconnectCause.SIP_FORBIDDEN); 397 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_FOUND, 398 PreciseDisconnectCause.SIP_NOT_FOUND); 399 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_SUPPORTED, 400 PreciseDisconnectCause.SIP_NOT_SUPPORTED); 401 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT, 402 PreciseDisconnectCause.SIP_REQUEST_TIMEOUT); 403 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE, 404 PreciseDisconnectCause.SIP_TEMPRARILY_UNAVAILABLE); 405 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BAD_ADDRESS, 406 PreciseDisconnectCause.SIP_BAD_ADDRESS); 407 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_BUSY, 408 PreciseDisconnectCause.SIP_BUSY); 409 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_REQUEST_CANCELLED, 410 PreciseDisconnectCause.SIP_REQUEST_CANCELLED); 411 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE, 412 PreciseDisconnectCause.SIP_NOT_ACCEPTABLE); 413 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_NOT_REACHABLE, 414 PreciseDisconnectCause.SIP_NOT_REACHABLE); 415 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_CLIENT_ERROR, 416 PreciseDisconnectCause.SIP_CLIENT_ERROR); 417 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_INTERNAL_ERROR, 418 PreciseDisconnectCause.SIP_SERVER_INTERNAL_ERROR); 419 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE, 420 PreciseDisconnectCause.SIP_SERVICE_UNAVAILABLE); 421 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_TIMEOUT, 422 PreciseDisconnectCause.SIP_SERVER_TIMEOUT); 423 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_SERVER_ERROR, 424 PreciseDisconnectCause.SIP_SERVER_ERROR); 425 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_USER_REJECTED, 426 PreciseDisconnectCause.SIP_USER_REJECTED); 427 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SIP_GLOBAL_ERROR, 428 PreciseDisconnectCause.SIP_GLOBAL_ERROR); 429 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_TEMP_FAILURE, 430 PreciseDisconnectCause.EMERGENCY_TEMP_FAILURE); 431 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EMERGENCY_PERM_FAILURE, 432 PreciseDisconnectCause.EMERGENCY_PERM_FAILURE); 433 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_INIT_FAILED, 434 PreciseDisconnectCause.MEDIA_INIT_FAILED); 435 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NO_DATA, 436 PreciseDisconnectCause.MEDIA_NO_DATA); 437 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_NOT_ACCEPTABLE, 438 PreciseDisconnectCause.MEDIA_NOT_ACCEPTABLE); 439 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MEDIA_UNSPECIFIED, 440 PreciseDisconnectCause.MEDIA_UNSPECIFIED); 441 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED, 442 PreciseDisconnectCause.USER_TERMINATED); 443 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_NOANSWER, 444 PreciseDisconnectCause.USER_NOANSWER); 445 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_IGNORE, 446 PreciseDisconnectCause.USER_IGNORE); 447 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_DECLINE, 448 PreciseDisconnectCause.USER_DECLINE); 449 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_LOW_BATTERY, 450 PreciseDisconnectCause.LOW_BATTERY); 451 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_BLACKLISTED_CALL_ID, 452 PreciseDisconnectCause.BLACKLISTED_CALL_ID); 453 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE, 454 PreciseDisconnectCause.USER_TERMINATED_BY_REMOTE); 455 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NOT_SUPPORTED, 456 PreciseDisconnectCause.UT_NOT_SUPPORTED); 457 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_SERVICE_UNAVAILABLE, 458 PreciseDisconnectCause.UT_SERVICE_UNAVAILABLE); 459 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_OPERATION_NOT_ALLOWED, 460 PreciseDisconnectCause.UT_OPERATION_NOT_ALLOWED); 461 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_NETWORK_ERROR, 462 PreciseDisconnectCause.UT_NETWORK_ERROR); 463 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_UT_CB_PASSWORD_MISMATCH, 464 PreciseDisconnectCause.UT_CB_PASSWORD_MISMATCH); 465 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ECBM_NOT_SUPPORTED, 466 PreciseDisconnectCause.ECBM_NOT_SUPPORTED); 467 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED, 468 PreciseDisconnectCause.MULTIENDPOINT_NOT_SUPPORTED); 469 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE, 470 PreciseDisconnectCause.CALL_DROP_IWLAN_TO_LTE_UNAVAILABLE); 471 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ANSWERED_ELSEWHERE, 472 PreciseDisconnectCause.ANSWERED_ELSEWHERE); 473 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC, 474 PreciseDisconnectCause.CALL_PULL_OUT_OF_SYNC); 475 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL, 476 PreciseDisconnectCause.CALL_PULLED); 477 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_FAILED, 478 PreciseDisconnectCause.SUPP_SVC_FAILED); 479 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_CANCELLED, 480 PreciseDisconnectCause.SUPP_SVC_CANCELLED); 481 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_SUPP_SVC_REINVITE_COLLISION, 482 PreciseDisconnectCause.SUPP_SVC_REINVITE_COLLISION); 483 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_IWLAN_DPD_FAILURE, 484 PreciseDisconnectCause.IWLAN_DPD_FAILURE); 485 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_ESTABLISH_FAILURE, 486 PreciseDisconnectCause.EPDG_TUNNEL_ESTABLISH_FAILURE); 487 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_REKEY_FAILURE, 488 PreciseDisconnectCause.EPDG_TUNNEL_REKEY_FAILURE); 489 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_EPDG_TUNNEL_LOST_CONNECTION, 490 PreciseDisconnectCause.EPDG_TUNNEL_LOST_CONNECTION); 491 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED, 492 PreciseDisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED); 493 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_REMOTE_CALL_DECLINE, 494 PreciseDisconnectCause.REMOTE_CALL_DECLINE); 495 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_LIMIT_REACHED, 496 PreciseDisconnectCause.DATA_LIMIT_REACHED); 497 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_DATA_DISABLED, 498 PreciseDisconnectCause.DATA_DISABLED); 499 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_WIFI_LOST, 500 PreciseDisconnectCause.WIFI_LOST); 501 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_OFF, 502 PreciseDisconnectCause.RADIO_OFF); 503 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NO_VALID_SIM, 504 PreciseDisconnectCause.NO_VALID_SIM); 505 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_INTERNAL_ERROR, 506 PreciseDisconnectCause.RADIO_INTERNAL_ERROR); 507 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_RESP_TIMEOUT, 508 PreciseDisconnectCause.NETWORK_RESP_TIMEOUT); 509 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_REJECT, 510 PreciseDisconnectCause.NETWORK_REJECT); 511 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_ACCESS_FAILURE, 512 PreciseDisconnectCause.RADIO_ACCESS_FAILURE); 513 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_FAILURE, 514 PreciseDisconnectCause.RADIO_LINK_FAILURE); 515 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_LINK_LOST, 516 PreciseDisconnectCause.RADIO_LINK_LOST); 517 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_UPLINK_FAILURE, 518 PreciseDisconnectCause.RADIO_UPLINK_FAILURE); 519 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_SETUP_FAILURE, 520 PreciseDisconnectCause.RADIO_SETUP_FAILURE); 521 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_NORMAL, 522 PreciseDisconnectCause.RADIO_RELEASE_NORMAL); 523 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_RADIO_RELEASE_ABNORMAL, 524 PreciseDisconnectCause.RADIO_RELEASE_ABNORMAL); 525 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED, 526 PreciseDisconnectCause.ACCESS_CLASS_BLOCKED); 527 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_NETWORK_DETACH, 528 PreciseDisconnectCause.NETWORK_DETACH); 529 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_1, 530 PreciseDisconnectCause.OEM_CAUSE_1); 531 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_2, 532 PreciseDisconnectCause.OEM_CAUSE_2); 533 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_3, 534 PreciseDisconnectCause.OEM_CAUSE_3); 535 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_4, 536 PreciseDisconnectCause.OEM_CAUSE_4); 537 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_5, 538 PreciseDisconnectCause.OEM_CAUSE_5); 539 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_6, 540 PreciseDisconnectCause.OEM_CAUSE_6); 541 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_7, 542 PreciseDisconnectCause.OEM_CAUSE_7); 543 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_8, 544 PreciseDisconnectCause.OEM_CAUSE_8); 545 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_9, 546 PreciseDisconnectCause.OEM_CAUSE_9); 547 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_10, 548 PreciseDisconnectCause.OEM_CAUSE_10); 549 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_11, 550 PreciseDisconnectCause.OEM_CAUSE_11); 551 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_12, 552 PreciseDisconnectCause.OEM_CAUSE_12); 553 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_13, 554 PreciseDisconnectCause.OEM_CAUSE_13); 555 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_14, 556 PreciseDisconnectCause.OEM_CAUSE_14); 557 PRECISE_CAUSE_MAP.append(ImsReasonInfo.CODE_OEM_CAUSE_15, 558 PreciseDisconnectCause.OEM_CAUSE_15); 559 } 560 561 /** 562 * Carrier configuration option which determines whether the carrier wants to inform the user 563 * when a video call is handed over from WIFI to LTE. 564 * See {@link CarrierConfigManager#KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL} for more 565 * information. 566 */ 567 private boolean mNotifyHandoverVideoFromWifiToLTE = false; 568 569 /** 570 * Carrier configuration option which determines whether the carrier supports the 571 * {@link VideoProfile#STATE_PAUSED} signalling. 572 * See {@link CarrierConfigManager#KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL} for more information. 573 */ 574 private boolean mSupportPauseVideo = false; 575 576 /** 577 * Carrier configuration option which defines a mapping from pairs of 578 * {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()} values to a new 579 * {@code ImsReasonInfo#CODE_*} value. 580 * 581 * See {@link CarrierConfigManager#KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY}. 582 */ 583 private Map<Pair<Integer, String>, Integer> mImsReasonCodeMap = new ArrayMap<>(); 584 585 /** 586 * TODO: Remove this code; it is a workaround. 587 * When {@code true}, forces {@link ImsManager#updateImsServiceConfig(Context, int, boolean)} to 588 * be called when an ongoing video call is disconnected. In some cases, where video pause is 589 * supported by the carrier, when {@link #onDataEnabledChanged(boolean, int)} reports that data 590 * has been disabled we will pause the video rather than disconnecting the call. When this 591 * happens we need to prevent the IMS service config from being updated, as this will cause VT 592 * to be disabled mid-call, resulting in an inability to un-pause the video. 593 */ 594 private boolean mShouldUpdateImsConfigOnDisconnect = false; 595 596 // Callback fires when ImsManager MMTel Feature changes state 597 private ImsServiceProxy.INotifyStatusChanged mNotifyStatusChangedCallback = () -> { 598 try { 599 int status = mImsManager.getImsServiceStatus(); 600 log("Status Changed: " + status); 601 switch(status) { 602 case ImsFeature.STATE_READY: { 603 startListeningForCalls(); 604 break; 605 } 606 case ImsFeature.STATE_INITIALIZING: 607 // fall through 608 case ImsFeature.STATE_NOT_AVAILABLE: { 609 stopListeningForCalls(); 610 break; 611 } 612 default: { 613 Log.w(LOG_TAG, "Unexpected State!"); 614 } 615 } 616 } catch (ImsException e) { 617 // Could not get the ImsService, retry! 618 retryGetImsService(); 619 } 620 }; 621 622 @VisibleForTesting 623 public interface IRetryTimeout { 624 int get(); 625 } 626 627 /** 628 * Default implementation of interface that calculates the ImsService retry timeout. 629 * Override-able for testing. 630 */ 631 @VisibleForTesting 632 public IRetryTimeout mRetryTimeout = () -> { 633 int timeout = (1 << mImsServiceRetryCount) * IMS_RETRY_STARTING_TIMEOUT_MS; 634 if (mImsServiceRetryCount <= CEILING_SERVICE_RETRY_COUNT) { 635 mImsServiceRetryCount++; 636 } 637 return timeout; 638 }; 639 640 //***** Events 641 642 643 //***** Constructors 644 645 public ImsPhoneCallTracker(ImsPhone phone) { 646 this.mPhone = phone; 647 648 mMetrics = TelephonyMetrics.getInstance(); 649 650 IntentFilter intentfilter = new IntentFilter(); 651 intentfilter.addAction(ImsManager.ACTION_IMS_INCOMING_CALL); 652 intentfilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED); 653 intentfilter.addAction(TelecomManager.ACTION_CHANGE_DEFAULT_DIALER); 654 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 655 cacheCarrierConfiguration(mPhone.getSubId()); 656 657 mPhone.getDefaultPhone().registerForDataEnabledChanged( 658 this, EVENT_DATA_ENABLED_CHANGED, null); 659 660 mImsServiceRetryCount = 0; 661 662 final TelecomManager telecomManager = 663 (TelecomManager) mPhone.getContext().getSystemService(Context.TELECOM_SERVICE); 664 mDefaultDialerUid.set( 665 getPackageUid(mPhone.getContext(), telecomManager.getDefaultDialerPackage())); 666 667 long currentTime = SystemClock.elapsedRealtime(); 668 mVtDataUsageSnapshot = new NetworkStats(currentTime, 1); 669 mVtDataUsageUidSnapshot = new NetworkStats(currentTime, 1); 670 671 // Send a message to connect to the Ims Service and open a connection through 672 // getImsService(). 673 sendEmptyMessage(EVENT_GET_IMS_SERVICE); 674 } 675 676 private int getPackageUid(Context context, String pkg) { 677 if (pkg == null) { 678 return NetworkStats.UID_ALL; 679 } 680 681 int uid = NetworkStats.UID_ALL; 682 try { 683 uid = context.getPackageManager().getPackageUid(pkg, 0); 684 } catch (PackageManager.NameNotFoundException e) { 685 loge("Cannot find package uid. pkg = " + pkg); 686 } 687 return uid; 688 } 689 690 private PendingIntent createIncomingCallPendingIntent() { 691 Intent intent = new Intent(ImsManager.ACTION_IMS_INCOMING_CALL); 692 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 693 return PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 694 PendingIntent.FLAG_UPDATE_CURRENT); 695 } 696 697 private void getImsService() throws ImsException { 698 if (DBG) log("getImsService"); 699 mImsManager = ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()); 700 // Adding to set, will be safe adding multiple times. If the ImsService is not active yet, 701 // this method will throw an ImsException. 702 mImsManager.addNotifyStatusChangedCallbackIfAvailable(mNotifyStatusChangedCallback); 703 // Wait for ImsService.STATE_READY to start listening for calls. 704 // Call the callback right away for compatibility with older devices that do not use states. 705 mNotifyStatusChangedCallback.notifyStatusChanged(); 706 } 707 708 private void startListeningForCalls() throws ImsException { 709 mImsServiceRetryCount = 0; 710 mServiceId = mImsManager.open(ImsServiceClass.MMTEL, 711 createIncomingCallPendingIntent(), 712 mImsConnectionStateListener); 713 714 mImsManager.setImsConfigListener(mImsConfigListener); 715 716 // Get the ECBM interface and set IMSPhone's listener object for notifications 717 getEcbmInterface().setEcbmStateListener(mPhone.getImsEcbmStateListener()); 718 if (mPhone.isInEcm()) { 719 // Call exit ECBM which will invoke onECBMExited 720 mPhone.exitEmergencyCallbackMode(); 721 } 722 int mPreferredTtyMode = Settings.Secure.getInt( 723 mPhone.getContext().getContentResolver(), 724 Settings.Secure.PREFERRED_TTY_MODE, 725 Phone.TTY_MODE_OFF); 726 mImsManager.setUiTTYMode(mPhone.getContext(), mPreferredTtyMode, null); 727 728 ImsMultiEndpoint multiEndpoint = getMultiEndpointInterface(); 729 if (multiEndpoint != null) { 730 multiEndpoint.setExternalCallStateListener( 731 mPhone.getExternalCallTracker().getExternalCallStateListener()); 732 } 733 } 734 735 private void stopListeningForCalls() { 736 try { 737 // Only close on valid session. 738 if (mImsManager != null && mServiceId > 0) { 739 mImsManager.close(mServiceId); 740 mServiceId = -1; 741 } 742 } catch (ImsException e) { 743 // If the binder is unavailable, then the ImsService doesn't need to close. 744 } 745 } 746 747 public void dispose() { 748 if (DBG) log("dispose"); 749 mRingingCall.dispose(); 750 mBackgroundCall.dispose(); 751 mForegroundCall.dispose(); 752 mHandoverCall.dispose(); 753 754 clearDisconnected(); 755 mPhone.getContext().unregisterReceiver(mReceiver); 756 mPhone.getDefaultPhone().unregisterForDataEnabledChanged(this); 757 removeMessages(EVENT_GET_IMS_SERVICE); 758 } 759 760 @Override 761 protected void finalize() { 762 log("ImsPhoneCallTracker finalized"); 763 } 764 765 //***** Instance Methods 766 767 //***** Public Methods 768 @Override 769 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 770 Registrant r = new Registrant(h, what, obj); 771 mVoiceCallStartedRegistrants.add(r); 772 } 773 774 @Override 775 public void unregisterForVoiceCallStarted(Handler h) { 776 mVoiceCallStartedRegistrants.remove(h); 777 } 778 779 @Override 780 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 781 Registrant r = new Registrant(h, what, obj); 782 mVoiceCallEndedRegistrants.add(r); 783 } 784 785 @Override 786 public void unregisterForVoiceCallEnded(Handler h) { 787 mVoiceCallEndedRegistrants.remove(h); 788 } 789 790 public Connection dial(String dialString, int videoState, Bundle intentExtras) throws 791 CallStateException { 792 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 793 int oirMode = sp.getInt(Phone.CLIR_KEY, CommandsInterface.CLIR_DEFAULT); 794 return dial(dialString, oirMode, videoState, intentExtras); 795 } 796 797 /** 798 * oirMode is one of the CLIR_ constants 799 */ 800 synchronized Connection 801 dial(String dialString, int clirMode, int videoState, Bundle intentExtras) 802 throws CallStateException { 803 boolean isPhoneInEcmMode = isPhoneInEcbMode(); 804 boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString); 805 806 if (DBG) log("dial clirMode=" + clirMode); 807 808 // note that this triggers call state changed notif 809 clearDisconnected(); 810 811 if (mImsManager == null) { 812 throw new CallStateException("service not available"); 813 } 814 815 if (!canDial()) { 816 throw new CallStateException("cannot dial in current state"); 817 } 818 819 if (isPhoneInEcmMode && isEmergencyNumber) { 820 handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER); 821 } 822 823 // If the call is to an emergency number and the carrier does not support video emergency 824 // calls, dial as an audio-only call. 825 if (isEmergencyNumber && VideoProfile.isVideo(videoState) && 826 !mAllowEmergencyVideoCalls) { 827 loge("dial: carrier does not support video emergency calls; downgrade to audio-only"); 828 videoState = VideoProfile.STATE_AUDIO_ONLY; 829 } 830 831 boolean holdBeforeDial = false; 832 833 // The new call must be assigned to the foreground call. 834 // That call must be idle, so place anything that's 835 // there on hold 836 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 837 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 838 //we should have failed in !canDial() above before we get here 839 throw new CallStateException("cannot dial in current state"); 840 } 841 // foreground call is empty for the newly dialed connection 842 holdBeforeDial = true; 843 // Cache the video state for pending MO call. 844 mPendingCallVideoState = videoState; 845 mPendingIntentExtras = intentExtras; 846 switchWaitingOrHoldingAndActive(); 847 } 848 849 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 850 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 851 852 mClirMode = clirMode; 853 854 synchronized (mSyncHold) { 855 if (holdBeforeDial) { 856 fgState = mForegroundCall.getState(); 857 bgState = mBackgroundCall.getState(); 858 859 //holding foreground call failed 860 if (fgState == ImsPhoneCall.State.ACTIVE) { 861 throw new CallStateException("cannot dial in current state"); 862 } 863 864 //holding foreground call succeeded 865 if (bgState == ImsPhoneCall.State.HOLDING) { 866 holdBeforeDial = false; 867 } 868 } 869 870 mPendingMO = new ImsPhoneConnection(mPhone, 871 checkForTestEmergencyNumber(dialString), this, mForegroundCall, 872 isEmergencyNumber); 873 mPendingMO.setVideoState(videoState); 874 } 875 addConnection(mPendingMO); 876 877 if (!holdBeforeDial) { 878 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 879 dialInternal(mPendingMO, clirMode, videoState, intentExtras); 880 } else { 881 try { 882 getEcbmInterface().exitEmergencyCallbackMode(); 883 } catch (ImsException e) { 884 e.printStackTrace(); 885 throw new CallStateException("service not available"); 886 } 887 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 888 pendingCallClirMode = clirMode; 889 mPendingCallVideoState = videoState; 890 pendingCallInEcm = true; 891 } 892 } 893 894 updatePhoneState(); 895 mPhone.notifyPreciseCallStateChanged(); 896 897 return mPendingMO; 898 } 899 900 /** 901 * Caches frequently used carrier configuration items locally. 902 * 903 * @param subId The sub id. 904 */ 905 private void cacheCarrierConfiguration(int subId) { 906 CarrierConfigManager carrierConfigManager = (CarrierConfigManager) 907 mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 908 if (carrierConfigManager == null) { 909 loge("cacheCarrierConfiguration: No carrier config service found."); 910 return; 911 } 912 913 PersistableBundle carrierConfig = carrierConfigManager.getConfigForSubId(subId); 914 if (carrierConfig == null) { 915 loge("cacheCarrierConfiguration: Empty carrier config."); 916 return; 917 } 918 919 mAllowEmergencyVideoCalls = 920 carrierConfig.getBoolean(CarrierConfigManager.KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL); 921 mTreatDowngradedVideoCallsAsVideoCalls = 922 carrierConfig.getBoolean( 923 CarrierConfigManager.KEY_TREAT_DOWNGRADED_VIDEO_CALLS_AS_VIDEO_CALLS_BOOL); 924 mDropVideoCallWhenAnsweringAudioCall = 925 carrierConfig.getBoolean( 926 CarrierConfigManager.KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL); 927 mAllowAddCallDuringVideoCall = 928 carrierConfig.getBoolean( 929 CarrierConfigManager.KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL); 930 mNotifyVtHandoverToWifiFail = carrierConfig.getBoolean( 931 CarrierConfigManager.KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL); 932 mSupportDowngradeVtToAudio = carrierConfig.getBoolean( 933 CarrierConfigManager.KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL); 934 mNotifyHandoverVideoFromWifiToLTE = carrierConfig.getBoolean( 935 CarrierConfigManager.KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL); 936 mIgnoreDataEnabledChangedForVideoCalls = carrierConfig.getBoolean( 937 CarrierConfigManager.KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS); 938 mSupportPauseVideo = carrierConfig.getBoolean( 939 CarrierConfigManager.KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL); 940 941 String[] mappings = carrierConfig 942 .getStringArray(CarrierConfigManager.KEY_IMS_REASONINFO_MAPPING_STRING_ARRAY); 943 if (mappings != null && mappings.length > 0) { 944 for (String mapping : mappings) { 945 String[] values = mapping.split(Pattern.quote("|")); 946 if (values.length != 3) { 947 continue; 948 } 949 950 try { 951 Integer fromCode; 952 if (values[0].equals("*")) { 953 fromCode = null; 954 } else { 955 fromCode = Integer.parseInt(values[0]); 956 } 957 String message = values[1]; 958 int toCode = Integer.parseInt(values[2]); 959 960 addReasonCodeRemapping(fromCode, message, toCode); 961 log("Loaded ImsReasonInfo mapping : fromCode = " + 962 fromCode == null ? "any" : fromCode + " ; message = " + 963 message + " ; toCode = " + toCode); 964 } catch (NumberFormatException nfe) { 965 loge("Invalid ImsReasonInfo mapping found: " + mapping); 966 } 967 } 968 } else { 969 log("No carrier ImsReasonInfo mappings defined."); 970 } 971 } 972 973 private void handleEcmTimer(int action) { 974 mPhone.handleTimerInEmergencyCallbackMode(action); 975 switch (action) { 976 case ImsPhone.CANCEL_ECM_TIMER: 977 break; 978 case ImsPhone.RESTART_ECM_TIMER: 979 break; 980 default: 981 log("handleEcmTimer, unsupported action " + action); 982 } 983 } 984 985 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, 986 Bundle intentExtras) { 987 988 if (conn == null) { 989 return; 990 } 991 992 if (conn.getAddress()== null || conn.getAddress().length() == 0 993 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) { 994 // Phone number is invalid 995 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 996 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 997 return; 998 } 999 1000 // Always unmute when initiating a new call 1001 setMute(false); 1002 int serviceType = PhoneNumberUtils.isEmergencyNumber(conn.getAddress()) ? 1003 ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 1004 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 1005 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 1006 conn.setVideoState(videoState); 1007 1008 try { 1009 String[] callees = new String[] { conn.getAddress() }; 1010 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 1011 serviceType, callType); 1012 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 1013 1014 // Translate call subject intent-extra from Telecom-specific extra key to the 1015 // ImsCallProfile key. 1016 if (intentExtras != null) { 1017 if (intentExtras.containsKey(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) { 1018 intentExtras.putString(ImsCallProfile.EXTRA_DISPLAY_TEXT, 1019 cleanseInstantLetteringMessage(intentExtras.getString( 1020 android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) 1021 ); 1022 } 1023 1024 if (intentExtras.containsKey(ImsCallProfile.EXTRA_IS_CALL_PULL)) { 1025 profile.mCallExtras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, 1026 intentExtras.getBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL)); 1027 int dialogId = intentExtras.getInt( 1028 ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID); 1029 conn.setIsPulledCall(true); 1030 conn.setPulledDialogId(dialogId); 1031 } 1032 1033 // Pack the OEM-specific call extras. 1034 profile.mCallExtras.putBundle(ImsCallProfile.EXTRA_OEM_EXTRAS, intentExtras); 1035 1036 // NOTE: Extras to be sent over the network are packed into the 1037 // intentExtras individually, with uniquely defined keys. 1038 // These key-value pairs are processed by IMS Service before 1039 // being sent to the lower layers/to the network. 1040 } 1041 1042 ImsCall imsCall = mImsManager.makeCall(mServiceId, profile, 1043 callees, mImsCallListener); 1044 conn.setImsCall(imsCall); 1045 1046 mMetrics.writeOnImsCallStart(mPhone.getPhoneId(), 1047 imsCall.getSession()); 1048 1049 setVideoCallProvider(conn, imsCall); 1050 conn.setAllowAddCallDuringVideoCall(mAllowAddCallDuringVideoCall); 1051 } catch (ImsException e) { 1052 loge("dialInternal : " + e); 1053 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1054 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1055 retryGetImsService(); 1056 } catch (RemoteException e) { 1057 } 1058 } 1059 1060 /** 1061 * Accepts a call with the specified video state. The video state is the video state that the 1062 * user has agreed upon in the InCall UI. 1063 * 1064 * @param videoState The video State 1065 * @throws CallStateException 1066 */ 1067 public void acceptCall (int videoState) throws CallStateException { 1068 if (DBG) log("acceptCall"); 1069 1070 if (mForegroundCall.getState().isAlive() 1071 && mBackgroundCall.getState().isAlive()) { 1072 throw new CallStateException("cannot accept call"); 1073 } 1074 1075 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 1076 && mForegroundCall.getState().isAlive()) { 1077 setMute(false); 1078 1079 boolean answeringWillDisconnect = false; 1080 ImsCall activeCall = mForegroundCall.getImsCall(); 1081 ImsCall ringingCall = mRingingCall.getImsCall(); 1082 if (mForegroundCall.hasConnections() && mRingingCall.hasConnections()) { 1083 answeringWillDisconnect = 1084 shouldDisconnectActiveCallOnAnswer(activeCall, ringingCall); 1085 } 1086 1087 // Cache video state for pending MT call. 1088 mPendingCallVideoState = videoState; 1089 1090 if (answeringWillDisconnect) { 1091 // We need to disconnect the foreground call before answering the background call. 1092 mForegroundCall.hangup(); 1093 try { 1094 ringingCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 1095 } catch (ImsException e) { 1096 throw new CallStateException("cannot accept call"); 1097 } 1098 } else { 1099 switchWaitingOrHoldingAndActive(); 1100 } 1101 } else if (mRingingCall.getState().isRinging()) { 1102 if (DBG) log("acceptCall: incoming..."); 1103 // Always unmute when answering a new call 1104 setMute(false); 1105 try { 1106 ImsCall imsCall = mRingingCall.getImsCall(); 1107 if (imsCall != null) { 1108 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 1109 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1110 ImsCommand.IMS_CMD_ACCEPT); 1111 } else { 1112 throw new CallStateException("no valid ims call"); 1113 } 1114 } catch (ImsException e) { 1115 throw new CallStateException("cannot accept call"); 1116 } 1117 } else { 1118 throw new CallStateException("phone not ringing"); 1119 } 1120 } 1121 1122 public void rejectCall () throws CallStateException { 1123 if (DBG) log("rejectCall"); 1124 1125 if (mRingingCall.getState().isRinging()) { 1126 hangup(mRingingCall); 1127 } else { 1128 throw new CallStateException("phone not ringing"); 1129 } 1130 } 1131 1132 1133 private void switchAfterConferenceSuccess() { 1134 if (DBG) log("switchAfterConferenceSuccess fg =" + mForegroundCall.getState() + 1135 ", bg = " + mBackgroundCall.getState()); 1136 1137 if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 1138 log("switchAfterConferenceSuccess"); 1139 mForegroundCall.switchWith(mBackgroundCall); 1140 } 1141 } 1142 1143 public void switchWaitingOrHoldingAndActive() throws CallStateException { 1144 if (DBG) log("switchWaitingOrHoldingAndActive"); 1145 1146 if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) { 1147 throw new CallStateException("cannot be in the incoming state"); 1148 } 1149 1150 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 1151 ImsCall imsCall = mForegroundCall.getImsCall(); 1152 if (imsCall == null) { 1153 throw new CallStateException("no ims call"); 1154 } 1155 1156 // Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls. 1157 // If hold or resume later fails, we will swap them back. 1158 boolean switchingWithWaitingCall = !mBackgroundCall.getState().isAlive() && 1159 mRingingCall != null && 1160 mRingingCall.getState() == ImsPhoneCall.State.WAITING; 1161 1162 mSwitchingFgAndBgCalls = true; 1163 if (switchingWithWaitingCall) { 1164 mCallExpectedToResume = mRingingCall.getImsCall(); 1165 } else { 1166 mCallExpectedToResume = mBackgroundCall.getImsCall(); 1167 } 1168 mForegroundCall.switchWith(mBackgroundCall); 1169 1170 // Hold the foreground call; once the foreground call is held, the background call will 1171 // be resumed. 1172 try { 1173 imsCall.hold(); 1174 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1175 ImsCommand.IMS_CMD_HOLD); 1176 1177 // If there is no background call to resume, then don't expect there to be a switch. 1178 if (mCallExpectedToResume == null) { 1179 log("mCallExpectedToResume is null"); 1180 mSwitchingFgAndBgCalls = false; 1181 } 1182 } catch (ImsException e) { 1183 mForegroundCall.switchWith(mBackgroundCall); 1184 throw new CallStateException(e.getMessage()); 1185 } 1186 } else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 1187 resumeWaitingOrHolding(); 1188 } 1189 } 1190 1191 public void 1192 conference() { 1193 if (DBG) log("conference"); 1194 1195 ImsCall fgImsCall = mForegroundCall.getImsCall(); 1196 if (fgImsCall == null) { 1197 log("conference no foreground ims call"); 1198 return; 1199 } 1200 1201 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 1202 if (bgImsCall == null) { 1203 log("conference no background ims call"); 1204 return; 1205 } 1206 1207 // Keep track of the connect time of the earliest call so that it can be set on the 1208 // {@code ImsConference} when it is created. 1209 long foregroundConnectTime = mForegroundCall.getEarliestConnectTime(); 1210 long backgroundConnectTime = mBackgroundCall.getEarliestConnectTime(); 1211 long conferenceConnectTime; 1212 if (foregroundConnectTime > 0 && backgroundConnectTime > 0) { 1213 conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 1214 mBackgroundCall.getEarliestConnectTime()); 1215 log("conference - using connect time = " + conferenceConnectTime); 1216 } else if (foregroundConnectTime > 0) { 1217 log("conference - bg call connect time is 0; using fg = " + foregroundConnectTime); 1218 conferenceConnectTime = foregroundConnectTime; 1219 } else { 1220 log("conference - fg call connect time is 0; using bg = " + backgroundConnectTime); 1221 conferenceConnectTime = backgroundConnectTime; 1222 } 1223 1224 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 1225 if (foregroundConnection != null) { 1226 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 1227 } 1228 1229 try { 1230 fgImsCall.merge(bgImsCall); 1231 } catch (ImsException e) { 1232 log("conference " + e.getMessage()); 1233 } 1234 } 1235 1236 public void 1237 explicitCallTransfer() { 1238 //TODO : implement 1239 } 1240 1241 public void 1242 clearDisconnected() { 1243 if (DBG) log("clearDisconnected"); 1244 1245 internalClearDisconnected(); 1246 1247 updatePhoneState(); 1248 mPhone.notifyPreciseCallStateChanged(); 1249 } 1250 1251 public boolean 1252 canConference() { 1253 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 1254 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 1255 && !mBackgroundCall.isFull() 1256 && !mForegroundCall.isFull(); 1257 } 1258 1259 public boolean canDial() { 1260 boolean ret; 1261 String disableCall = SystemProperties.get( 1262 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 1263 1264 ret = mPendingMO == null 1265 && !mRingingCall.isRinging() 1266 && !disableCall.equals("true") 1267 && (!mForegroundCall.getState().isAlive() 1268 || !mBackgroundCall.getState().isAlive()); 1269 1270 return ret; 1271 } 1272 1273 public boolean 1274 canTransfer() { 1275 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 1276 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 1277 } 1278 1279 //***** Private Instance Methods 1280 1281 private void 1282 internalClearDisconnected() { 1283 mRingingCall.clearDisconnected(); 1284 mForegroundCall.clearDisconnected(); 1285 mBackgroundCall.clearDisconnected(); 1286 mHandoverCall.clearDisconnected(); 1287 } 1288 1289 private void 1290 updatePhoneState() { 1291 PhoneConstants.State oldState = mState; 1292 1293 boolean isPendingMOIdle = mPendingMO == null || !mPendingMO.getState().isAlive(); 1294 1295 if (mRingingCall.isRinging()) { 1296 mState = PhoneConstants.State.RINGING; 1297 } else if (!isPendingMOIdle || !mForegroundCall.isIdle() || !mBackgroundCall.isIdle()) { 1298 // There is a non-idle call, so we're off the hook. 1299 mState = PhoneConstants.State.OFFHOOK; 1300 } else { 1301 mState = PhoneConstants.State.IDLE; 1302 } 1303 1304 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 1305 mVoiceCallEndedRegistrants.notifyRegistrants( 1306 new AsyncResult(null, null, null)); 1307 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 1308 mVoiceCallStartedRegistrants.notifyRegistrants ( 1309 new AsyncResult(null, null, null)); 1310 } 1311 1312 if (DBG) { 1313 log("updatePhoneState pendingMo = " + (mPendingMO == null ? "null" 1314 : mPendingMO.getState()) + ", fg= " + mForegroundCall.getState() + "(" 1315 + mForegroundCall.getConnections().size() + "), bg= " + mBackgroundCall 1316 .getState() + "(" + mBackgroundCall.getConnections().size() + ")"); 1317 log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 1318 } 1319 1320 if (mState != oldState) { 1321 mPhone.notifyPhoneStateChanged(); 1322 mMetrics.writePhoneState(mPhone.getPhoneId(), mState); 1323 notifyPhoneStateChanged(oldState, mState); 1324 } 1325 } 1326 1327 private void 1328 handleRadioNotAvailable() { 1329 // handlePollCalls will clear out its 1330 // call list when it gets the CommandException 1331 // error result from this 1332 pollCallsWhenSafe(); 1333 } 1334 1335 private void 1336 dumpState() { 1337 List l; 1338 1339 log("Phone State:" + mState); 1340 1341 log("Ringing call: " + mRingingCall.toString()); 1342 1343 l = mRingingCall.getConnections(); 1344 for (int i = 0, s = l.size(); i < s; i++) { 1345 log(l.get(i).toString()); 1346 } 1347 1348 log("Foreground call: " + mForegroundCall.toString()); 1349 1350 l = mForegroundCall.getConnections(); 1351 for (int i = 0, s = l.size(); i < s; i++) { 1352 log(l.get(i).toString()); 1353 } 1354 1355 log("Background call: " + mBackgroundCall.toString()); 1356 1357 l = mBackgroundCall.getConnections(); 1358 for (int i = 0, s = l.size(); i < s; i++) { 1359 log(l.get(i).toString()); 1360 } 1361 1362 } 1363 1364 //***** Called from ImsPhone 1365 1366 public void setUiTTYMode(int uiTtyMode, Message onComplete) { 1367 if (mImsManager == null) { 1368 mPhone.sendErrorResponse(onComplete, getImsManagerIsNullException()); 1369 return; 1370 } 1371 1372 try { 1373 mImsManager.setUiTTYMode(mPhone.getContext(), uiTtyMode, onComplete); 1374 } catch (ImsException e) { 1375 loge("setTTYMode : " + e); 1376 mPhone.sendErrorResponse(onComplete, e); 1377 retryGetImsService(); 1378 } 1379 } 1380 1381 public void setMute(boolean mute) { 1382 mDesiredMute = mute; 1383 mForegroundCall.setMute(mute); 1384 } 1385 1386 public boolean getMute() { 1387 return mDesiredMute; 1388 } 1389 1390 public void sendDtmf(char c, Message result) { 1391 if (DBG) log("sendDtmf"); 1392 1393 ImsCall imscall = mForegroundCall.getImsCall(); 1394 if (imscall != null) { 1395 imscall.sendDtmf(c, result); 1396 } 1397 } 1398 1399 public void 1400 startDtmf(char c) { 1401 if (DBG) log("startDtmf"); 1402 1403 ImsCall imscall = mForegroundCall.getImsCall(); 1404 if (imscall != null) { 1405 imscall.startDtmf(c); 1406 } else { 1407 loge("startDtmf : no foreground call"); 1408 } 1409 } 1410 1411 public void 1412 stopDtmf() { 1413 if (DBG) log("stopDtmf"); 1414 1415 ImsCall imscall = mForegroundCall.getImsCall(); 1416 if (imscall != null) { 1417 imscall.stopDtmf(); 1418 } else { 1419 loge("stopDtmf : no foreground call"); 1420 } 1421 } 1422 1423 //***** Called from ImsPhoneConnection 1424 1425 public void hangup (ImsPhoneConnection conn) throws CallStateException { 1426 if (DBG) log("hangup connection"); 1427 1428 if (conn.getOwner() != this) { 1429 throw new CallStateException ("ImsPhoneConnection " + conn 1430 + "does not belong to ImsPhoneCallTracker " + this); 1431 } 1432 1433 hangup(conn.getCall()); 1434 } 1435 1436 //***** Called from ImsPhoneCall 1437 1438 public void hangup (ImsPhoneCall call) throws CallStateException { 1439 if (DBG) log("hangup call"); 1440 1441 if (call.getConnections().size() == 0) { 1442 throw new CallStateException("no connections"); 1443 } 1444 1445 ImsCall imsCall = call.getImsCall(); 1446 boolean rejectCall = false; 1447 1448 if (call == mRingingCall) { 1449 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 1450 rejectCall = true; 1451 } else if (call == mForegroundCall) { 1452 if (call.isDialingOrAlerting()) { 1453 if (Phone.DEBUG_PHONE) { 1454 log("(foregnd) hangup dialing or alerting..."); 1455 } 1456 } else { 1457 if (Phone.DEBUG_PHONE) { 1458 log("(foregnd) hangup foreground"); 1459 } 1460 //held call will be resumed by onCallTerminated 1461 } 1462 } else if (call == mBackgroundCall) { 1463 if (Phone.DEBUG_PHONE) { 1464 log("(backgnd) hangup waiting or background"); 1465 } 1466 } else { 1467 throw new CallStateException ("ImsPhoneCall " + call + 1468 "does not belong to ImsPhoneCallTracker " + this); 1469 } 1470 1471 call.onHangupLocal(); 1472 1473 try { 1474 if (imsCall != null) { 1475 if (rejectCall) { 1476 imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 1477 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1478 ImsCommand.IMS_CMD_REJECT); 1479 } else { 1480 imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 1481 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1482 ImsCommand.IMS_CMD_TERMINATE); 1483 } 1484 } else if (mPendingMO != null && call == mForegroundCall) { 1485 // is holding a foreground call 1486 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 1487 mPendingMO.onDisconnect(); 1488 removeConnection(mPendingMO); 1489 mPendingMO = null; 1490 updatePhoneState(); 1491 removeMessages(EVENT_DIAL_PENDINGMO); 1492 } 1493 } catch (ImsException e) { 1494 throw new CallStateException(e.getMessage()); 1495 } 1496 1497 mPhone.notifyPreciseCallStateChanged(); 1498 } 1499 1500 void callEndCleanupHandOverCallIfAny() { 1501 if (mHandoverCall.mConnections.size() > 0) { 1502 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 1503 + mHandoverCall.mConnections); 1504 mHandoverCall.mConnections.clear(); 1505 mConnections.clear(); 1506 mState = PhoneConstants.State.IDLE; 1507 } 1508 } 1509 1510 /* package */ 1511 void resumeWaitingOrHolding() throws CallStateException { 1512 if (DBG) log("resumeWaitingOrHolding"); 1513 1514 try { 1515 if (mForegroundCall.getState().isAlive()) { 1516 //resume foreground call after holding background call 1517 //they were switched before holding 1518 ImsCall imsCall = mForegroundCall.getImsCall(); 1519 if (imsCall != null) { 1520 imsCall.resume(); 1521 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1522 ImsCommand.IMS_CMD_RESUME); 1523 } 1524 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 1525 //accept waiting call after holding background call 1526 ImsCall imsCall = mRingingCall.getImsCall(); 1527 if (imsCall != null) { 1528 imsCall.accept( 1529 ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState)); 1530 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1531 ImsCommand.IMS_CMD_ACCEPT); 1532 } 1533 } else { 1534 //Just resume background call. 1535 //To distinguish resuming call with swapping calls 1536 //we do not switch calls.here 1537 //ImsPhoneConnection.update will chnage the parent when completed 1538 ImsCall imsCall = mBackgroundCall.getImsCall(); 1539 if (imsCall != null) { 1540 imsCall.resume(); 1541 mMetrics.writeOnImsCommand(mPhone.getPhoneId(), imsCall.getSession(), 1542 ImsCommand.IMS_CMD_RESUME); 1543 } 1544 } 1545 } catch (ImsException e) { 1546 throw new CallStateException(e.getMessage()); 1547 } 1548 } 1549 1550 public void sendUSSD (String ussdString, Message response) { 1551 if (DBG) log("sendUSSD"); 1552 1553 try { 1554 if (mUssdSession != null) { 1555 mUssdSession.sendUssd(ussdString); 1556 AsyncResult.forMessage(response, null, null); 1557 response.sendToTarget(); 1558 return; 1559 } 1560 1561 if (mImsManager == null) { 1562 mPhone.sendErrorResponse(response, getImsManagerIsNullException()); 1563 return; 1564 } 1565 1566 String[] callees = new String[] { ussdString }; 1567 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 1568 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 1569 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 1570 ImsCallProfile.DIALSTRING_USSD); 1571 1572 mUssdSession = mImsManager.makeCall(mServiceId, profile, 1573 callees, mImsUssdListener); 1574 } catch (ImsException e) { 1575 loge("sendUSSD : " + e); 1576 mPhone.sendErrorResponse(response, e); 1577 retryGetImsService(); 1578 } 1579 } 1580 1581 public void cancelUSSD() { 1582 if (mUssdSession == null) return; 1583 1584 try { 1585 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 1586 } catch (ImsException e) { 1587 } 1588 1589 } 1590 1591 private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) { 1592 for (ImsPhoneConnection conn : mConnections) { 1593 if (conn.getImsCall() == imsCall) { 1594 return conn; 1595 } 1596 } 1597 return null; 1598 } 1599 1600 private synchronized void removeConnection(ImsPhoneConnection conn) { 1601 mConnections.remove(conn); 1602 // If not emergency call is remaining, notify emergency call registrants 1603 if (mIsInEmergencyCall) { 1604 boolean isEmergencyCallInList = false; 1605 // if no emergency calls pending, set this to false 1606 for (ImsPhoneConnection imsPhoneConnection : mConnections) { 1607 if (imsPhoneConnection != null && imsPhoneConnection.isEmergency() == true) { 1608 isEmergencyCallInList = true; 1609 break; 1610 } 1611 } 1612 1613 if (!isEmergencyCallInList) { 1614 mIsInEmergencyCall = false; 1615 mPhone.sendEmergencyCallStateChange(false); 1616 } 1617 } 1618 } 1619 1620 private synchronized void addConnection(ImsPhoneConnection conn) { 1621 mConnections.add(conn); 1622 if (conn.isEmergency()) { 1623 mIsInEmergencyCall = true; 1624 mPhone.sendEmergencyCallStateChange(true); 1625 } 1626 } 1627 1628 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 1629 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 1630 // This method is called on onCallUpdate() where there is not necessarily a call state 1631 // change. In these situations, we'll ignore the state related updates and only process 1632 // the change in media capabilities (as expected). The default is to not ignore state 1633 // changes so we do not change existing behavior. 1634 processCallStateChange(imsCall, state, cause, false /* do not ignore state update */); 1635 } 1636 1637 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause, 1638 boolean ignoreState) { 1639 if (DBG) { 1640 log("processCallStateChange state=" + state + " cause=" + cause 1641 + " ignoreState=" + ignoreState); 1642 } 1643 1644 if (imsCall == null) return; 1645 1646 boolean changed = false; 1647 ImsPhoneConnection conn = findConnection(imsCall); 1648 1649 if (conn == null) { 1650 // TODO : what should be done? 1651 return; 1652 } 1653 1654 // processCallStateChange is triggered for onCallUpdated as well. 1655 // onCallUpdated should not modify the state of the call 1656 // It should modify only other capabilities of call through updateMediaCapabilities 1657 // State updates will be triggered through individual callbacks 1658 // i.e. onCallHeld, onCallResume, etc and conn.update will be responsible for the update 1659 conn.updateMediaCapabilities(imsCall); 1660 if (ignoreState) { 1661 conn.updateAddressDisplay(imsCall); 1662 conn.updateExtras(imsCall); 1663 1664 maybeSetVideoCallProvider(conn, imsCall); 1665 return; 1666 } 1667 1668 changed = conn.update(imsCall, state); 1669 if (state == ImsPhoneCall.State.DISCONNECTED) { 1670 changed = conn.onDisconnect(cause) || changed; 1671 //detach the disconnected connections 1672 conn.getCall().detach(conn); 1673 removeConnection(conn); 1674 } 1675 1676 if (changed) { 1677 if (conn.getCall() == mHandoverCall) return; 1678 updatePhoneState(); 1679 mPhone.notifyPreciseCallStateChanged(); 1680 } 1681 } 1682 1683 private void maybeSetVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) { 1684 android.telecom.Connection.VideoProvider connVideoProvider = conn.getVideoProvider(); 1685 if (connVideoProvider != null || imsCall.getCallSession().getVideoCallProvider() == null) { 1686 return; 1687 } 1688 1689 try { 1690 setVideoCallProvider(conn, imsCall); 1691 } catch (RemoteException e) { 1692 loge("maybeSetVideoCallProvider: exception " + e); 1693 } 1694 } 1695 1696 /** 1697 * Adds a reason code remapping, for test purposes. 1698 * 1699 * @param fromCode The from code, or {@code null} if all. 1700 * @param message The message to map. 1701 * @param toCode The code to remap to. 1702 */ 1703 @VisibleForTesting 1704 public void addReasonCodeRemapping(Integer fromCode, String message, Integer toCode) { 1705 mImsReasonCodeMap.put(new Pair<>(fromCode, message), toCode); 1706 } 1707 1708 /** 1709 * Returns the {@link ImsReasonInfo#getCode()}, potentially remapping to a new value based on 1710 * the {@link ImsReasonInfo#getCode()} and {@link ImsReasonInfo#getExtraMessage()}. 1711 * 1712 * See {@link #mImsReasonCodeMap}. 1713 * 1714 * @param reasonInfo The {@link ImsReasonInfo}. 1715 * @return The remapped code. 1716 */ 1717 @VisibleForTesting 1718 public int maybeRemapReasonCode(ImsReasonInfo reasonInfo) { 1719 int code = reasonInfo.getCode(); 1720 1721 Pair<Integer, String> toCheck = new Pair<>(code, reasonInfo.getExtraMessage()); 1722 Pair<Integer, String> wildcardToCheck = new Pair<>(null, reasonInfo.getExtraMessage()); 1723 if (mImsReasonCodeMap.containsKey(toCheck)) { 1724 int toCode = mImsReasonCodeMap.get(toCheck); 1725 1726 log("maybeRemapReasonCode : fromCode = " + reasonInfo.getCode() + " ; message = " 1727 + reasonInfo.getExtraMessage() + " ; toCode = " + toCode); 1728 return toCode; 1729 } else if (mImsReasonCodeMap.containsKey(wildcardToCheck)) { 1730 // Handle the case where a wildcard is specified for the fromCode; in this case we will 1731 // match without caring about the fromCode. 1732 int toCode = mImsReasonCodeMap.get(wildcardToCheck); 1733 1734 log("maybeRemapReasonCode : fromCode(wildcard) = " + reasonInfo.getCode() + 1735 " ; message = " + reasonInfo.getExtraMessage() + " ; toCode = " + toCode); 1736 return toCode; 1737 } 1738 return code; 1739 } 1740 1741 private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 1742 int cause = DisconnectCause.ERROR_UNSPECIFIED; 1743 1744 //int type = reasonInfo.getReasonType(); 1745 int code = maybeRemapReasonCode(reasonInfo); 1746 switch (code) { 1747 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 1748 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 1749 return DisconnectCause.NUMBER_UNREACHABLE; 1750 1751 case ImsReasonInfo.CODE_SIP_BUSY: 1752 return DisconnectCause.BUSY; 1753 1754 case ImsReasonInfo.CODE_USER_TERMINATED: 1755 return DisconnectCause.LOCAL; 1756 1757 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 1758 case ImsReasonInfo.CODE_REMOTE_CALL_DECLINE: 1759 // If the call has been declined locally (on this device), or on remotely (on 1760 // another device using multiendpoint functionality), mark it as rejected. 1761 return DisconnectCause.INCOMING_REJECTED; 1762 1763 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 1764 return DisconnectCause.NORMAL; 1765 1766 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 1767 return DisconnectCause.SERVER_ERROR; 1768 1769 case ImsReasonInfo.CODE_SIP_REDIRECTED: 1770 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 1771 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 1772 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 1773 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 1774 return DisconnectCause.SERVER_ERROR; 1775 1776 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 1777 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 1778 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 1779 return DisconnectCause.SERVER_UNREACHABLE; 1780 1781 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 1782 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 1783 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 1784 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 1785 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 1786 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 1787 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 1788 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 1789 return DisconnectCause.OUT_OF_SERVICE; 1790 1791 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 1792 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 1793 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 1794 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 1795 return DisconnectCause.TIMED_OUT; 1796 1797 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 1798 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 1799 return DisconnectCause.POWER_OFF; 1800 1801 case ImsReasonInfo.CODE_FDN_BLOCKED: 1802 return DisconnectCause.FDN_BLOCKED; 1803 1804 case ImsReasonInfo.CODE_IMEI_NOT_ACCEPTED: 1805 return DisconnectCause.IMEI_NOT_ACCEPTED; 1806 1807 case ImsReasonInfo.CODE_ANSWERED_ELSEWHERE: 1808 return DisconnectCause.ANSWERED_ELSEWHERE; 1809 1810 case ImsReasonInfo.CODE_CALL_END_CAUSE_CALL_PULL: 1811 return DisconnectCause.CALL_PULLED; 1812 1813 case ImsReasonInfo.CODE_MAXIMUM_NUMBER_OF_CALLS_REACHED: 1814 return DisconnectCause.MAXIMUM_NUMBER_OF_CALLS_REACHED; 1815 1816 case ImsReasonInfo.CODE_DATA_DISABLED: 1817 return DisconnectCause.DATA_DISABLED; 1818 1819 case ImsReasonInfo.CODE_DATA_LIMIT_REACHED: 1820 return DisconnectCause.DATA_LIMIT_REACHED; 1821 1822 case ImsReasonInfo.CODE_WIFI_LOST: 1823 return DisconnectCause.WIFI_LOST; 1824 1825 case ImsReasonInfo.CODE_ACCESS_CLASS_BLOCKED: 1826 return DisconnectCause.IMS_ACCESS_BLOCKED; 1827 default: 1828 } 1829 1830 return cause; 1831 } 1832 1833 private int getPreciseDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 1834 return PRECISE_CAUSE_MAP.get(maybeRemapReasonCode(reasonInfo), 1835 PreciseDisconnectCause.ERROR_UNSPECIFIED); 1836 } 1837 1838 /** 1839 * @return true if the phone is in Emergency Callback mode, otherwise false 1840 */ 1841 private boolean isPhoneInEcbMode() { 1842 return mPhone.isInEcm(); 1843 } 1844 1845 /** 1846 * Before dialing pending MO request, check for the Emergency Callback mode. 1847 * If device is in Emergency callback mode, then exit the mode before dialing pending MO. 1848 */ 1849 private void dialPendingMO() { 1850 boolean isPhoneInEcmMode = isPhoneInEcbMode(); 1851 boolean isEmergencyNumber = mPendingMO.isEmergency(); 1852 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 1853 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1854 } else { 1855 sendEmptyMessage(EVENT_EXIT_ECBM_BEFORE_PENDINGMO); 1856 } 1857 } 1858 1859 /** 1860 * Listen to the IMS call state change 1861 */ 1862 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 1863 @Override 1864 public void onCallProgressing(ImsCall imsCall) { 1865 if (DBG) log("onCallProgressing"); 1866 1867 mPendingMO = null; 1868 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 1869 DisconnectCause.NOT_DISCONNECTED); 1870 mMetrics.writeOnImsCallProgressing(mPhone.getPhoneId(), imsCall.getCallSession()); 1871 } 1872 1873 @Override 1874 public void onCallStarted(ImsCall imsCall) { 1875 if (DBG) log("onCallStarted"); 1876 1877 if (mSwitchingFgAndBgCalls) { 1878 // If we put a call on hold to answer an incoming call, we should reset the 1879 // variables that keep track of the switch here. 1880 if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) { 1881 if (DBG) log("onCallStarted: starting a call as a result of a switch."); 1882 mSwitchingFgAndBgCalls = false; 1883 mCallExpectedToResume = null; 1884 } 1885 } 1886 1887 mPendingMO = null; 1888 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1889 DisconnectCause.NOT_DISCONNECTED); 1890 1891 if (mNotifyVtHandoverToWifiFail && 1892 !imsCall.isWifiCall() && imsCall.isVideoCall() && isWifiConnected()) { 1893 // Schedule check to see if handover succeeded. 1894 sendMessageDelayed(obtainMessage(EVENT_CHECK_FOR_WIFI_HANDOVER, imsCall), 1895 HANDOVER_TO_WIFI_TIMEOUT_MS); 1896 } 1897 1898 mMetrics.writeOnImsCallStarted(mPhone.getPhoneId(), imsCall.getCallSession()); 1899 } 1900 1901 @Override 1902 public void onCallUpdated(ImsCall imsCall) { 1903 if (DBG) log("onCallUpdated"); 1904 if (imsCall == null) { 1905 return; 1906 } 1907 ImsPhoneConnection conn = findConnection(imsCall); 1908 if (conn != null) { 1909 processCallStateChange(imsCall, conn.getCall().mState, 1910 DisconnectCause.NOT_DISCONNECTED, true /*ignore state update*/); 1911 mMetrics.writeImsCallState(mPhone.getPhoneId(), 1912 imsCall.getCallSession(), conn.getCall().mState); 1913 } 1914 } 1915 1916 /** 1917 * onCallStartFailed will be invoked when: 1918 * case 1) Dialing fails 1919 * case 2) Ringing call is disconnected by local or remote user 1920 */ 1921 @Override 1922 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1923 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1924 1925 if (mSwitchingFgAndBgCalls) { 1926 // If we put a call on hold to answer an incoming call, we should reset the 1927 // variables that keep track of the switch here. 1928 if (mCallExpectedToResume != null && mCallExpectedToResume == imsCall) { 1929 if (DBG) log("onCallStarted: starting a call as a result of a switch."); 1930 mSwitchingFgAndBgCalls = false; 1931 mCallExpectedToResume = null; 1932 } 1933 } 1934 1935 if (mPendingMO != null) { 1936 // To initiate dialing circuit-switched call 1937 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 1938 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 1939 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 1940 mForegroundCall.detach(mPendingMO); 1941 removeConnection(mPendingMO); 1942 mPendingMO.finalize(); 1943 mPendingMO = null; 1944 mPhone.initiateSilentRedial(); 1945 return; 1946 } else { 1947 mPendingMO = null; 1948 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1949 ImsPhoneConnection conn = findConnection(imsCall); 1950 1951 if(conn != null) { 1952 conn.setPreciseDisconnectCause( 1953 getPreciseDisconnectCauseFromReasonInfo(reasonInfo)); 1954 } 1955 1956 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1957 } 1958 mMetrics.writeOnImsCallStartFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 1959 reasonInfo); 1960 } 1961 } 1962 1963 @Override 1964 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1965 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 1966 1967 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1968 ImsPhoneConnection conn = findConnection(imsCall); 1969 if (DBG) log("cause = " + cause + " conn = " + conn); 1970 1971 if (conn != null) { 1972 android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider(); 1973 if (videoProvider instanceof ImsVideoCallProviderWrapper) { 1974 ImsVideoCallProviderWrapper wrapper = (ImsVideoCallProviderWrapper) 1975 videoProvider; 1976 1977 wrapper.removeImsVideoProviderCallback(conn); 1978 } 1979 } 1980 if (mOnHoldToneId == System.identityHashCode(conn)) { 1981 if (conn != null && mOnHoldToneStarted) { 1982 mPhone.stopOnHoldTone(conn); 1983 } 1984 mOnHoldToneStarted = false; 1985 mOnHoldToneId = -1; 1986 } 1987 if (conn != null) { 1988 if (conn.isPulledCall() && ( 1989 reasonInfo.getCode() == ImsReasonInfo.CODE_CALL_PULL_OUT_OF_SYNC || 1990 reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_TEMPRARILY_UNAVAILABLE || 1991 reasonInfo.getCode() == ImsReasonInfo.CODE_SIP_FORBIDDEN) && 1992 mPhone != null && mPhone.getExternalCallTracker() != null) { 1993 1994 log("Call pull failed."); 1995 // Call was being pulled, but the call pull has failed -- inform the associated 1996 // TelephonyConnection that the pull failed, and provide it with the original 1997 // external connection which was pulled so that it can be swapped back. 1998 conn.onCallPullFailed(mPhone.getExternalCallTracker() 1999 .getConnectionById(conn.getPulledDialogId())); 2000 // Do not mark as disconnected; the call will just change from being a regular 2001 // call to being an external call again. 2002 cause = DisconnectCause.NOT_DISCONNECTED; 2003 2004 } else if (conn.isIncoming() && conn.getConnectTime() == 0 2005 && cause != DisconnectCause.ANSWERED_ELSEWHERE) { 2006 // Missed 2007 if (cause == DisconnectCause.NORMAL) { 2008 cause = DisconnectCause.INCOMING_MISSED; 2009 } else { 2010 cause = DisconnectCause.INCOMING_REJECTED; 2011 } 2012 if (DBG) log("Incoming connection of 0 connect time detected - translated " + 2013 "cause = " + cause); 2014 } 2015 } 2016 2017 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 2018 // Call was terminated while it is merged instead of a remote disconnect. 2019 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 2020 } 2021 2022 mMetrics.writeOnImsCallTerminated(mPhone.getPhoneId(), imsCall.getCallSession(), 2023 reasonInfo); 2024 2025 if(conn != null) { 2026 conn.setPreciseDisconnectCause(getPreciseDisconnectCauseFromReasonInfo(reasonInfo)); 2027 } 2028 2029 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 2030 if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) { 2031 if (mRingingCall.getState().isRinging()) { 2032 // Drop pending MO. We should address incoming call first 2033 mPendingMO = null; 2034 } else if (mPendingMO != null) { 2035 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 2036 } 2037 } 2038 2039 if (mSwitchingFgAndBgCalls) { 2040 if (DBG) { 2041 log("onCallTerminated: Call terminated in the midst of Switching " + 2042 "Fg and Bg calls."); 2043 } 2044 // If we are the in midst of swapping FG and BG calls and the call that was 2045 // terminated was the one that we expected to resume, we need to swap the FG and 2046 // BG calls back. 2047 if (imsCall == mCallExpectedToResume) { 2048 if (DBG) { 2049 log("onCallTerminated: switching " + mForegroundCall + " with " 2050 + mBackgroundCall); 2051 } 2052 mForegroundCall.switchWith(mBackgroundCall); 2053 } 2054 // This call terminated in the midst of a switch after the other call was held, so 2055 // resume it back to ACTIVE state since the switch failed. 2056 log("onCallTerminated: foreground call in state " + mForegroundCall.getState() + 2057 " and ringing call in state " + (mRingingCall == null ? "null" : 2058 mRingingCall.getState().toString())); 2059 2060 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING || 2061 mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 2062 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2063 mSwitchingFgAndBgCalls = false; 2064 mCallExpectedToResume = null; 2065 } 2066 } 2067 2068 if (mShouldUpdateImsConfigOnDisconnect) { 2069 // Ensure we update the IMS config when the call is disconnected; we delayed this 2070 // because a video call was paused. 2071 ImsManager.updateImsServiceConfig(mPhone.getContext(), mPhone.getPhoneId(), true); 2072 mShouldUpdateImsConfigOnDisconnect = false; 2073 } 2074 } 2075 2076 @Override 2077 public void onCallHeld(ImsCall imsCall) { 2078 if (DBG) { 2079 if (mForegroundCall.getImsCall() == imsCall) { 2080 log("onCallHeld (fg) " + imsCall); 2081 } else if (mBackgroundCall.getImsCall() == imsCall) { 2082 log("onCallHeld (bg) " + imsCall); 2083 } 2084 } 2085 2086 synchronized (mSyncHold) { 2087 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 2088 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 2089 DisconnectCause.NOT_DISCONNECTED); 2090 2091 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 2092 // processCallStateChange above may have caused the mBackgroundCall and 2093 // mForegroundCall references below to change meaning. Watch out for this if you 2094 // are reading through this code. 2095 if (oldState == ImsPhoneCall.State.ACTIVE) { 2096 // Note: This case comes up when we have just held a call in response to a 2097 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 2098 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 2099 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 2100 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 2101 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2102 } else { 2103 //when multiple connections belong to background call, 2104 //only the first callback reaches here 2105 //otherwise the oldState is already HOLDING 2106 if (mPendingMO != null) { 2107 dialPendingMO(); 2108 } 2109 2110 // In this case there will be no call resumed, so we can assume that we 2111 // are done switching fg and bg calls now. 2112 // This may happen if there is no BG call and we are holding a call so that 2113 // we can dial another one. 2114 mSwitchingFgAndBgCalls = false; 2115 } 2116 } else if (oldState == ImsPhoneCall.State.IDLE && mSwitchingFgAndBgCalls) { 2117 // The other call terminated in the midst of a switch before this call was held, 2118 // so resume the foreground call back to ACTIVE state since the switch failed. 2119 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) { 2120 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2121 mSwitchingFgAndBgCalls = false; 2122 mCallExpectedToResume = null; 2123 } 2124 } 2125 } 2126 mMetrics.writeOnImsCallHeld(mPhone.getPhoneId(), imsCall.getCallSession()); 2127 } 2128 2129 @Override 2130 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2131 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 2132 2133 synchronized (mSyncHold) { 2134 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 2135 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 2136 // disconnected while processing hold 2137 if (mPendingMO != null) { 2138 dialPendingMO(); 2139 } 2140 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 2141 mForegroundCall.switchWith(mBackgroundCall); 2142 2143 if (mPendingMO != null) { 2144 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 2145 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 2146 } 2147 } 2148 mPhone.notifySuppServiceFailed(Phone.SuppService.HOLD); 2149 } 2150 mMetrics.writeOnImsCallHoldFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 2151 reasonInfo); 2152 } 2153 2154 @Override 2155 public void onCallResumed(ImsCall imsCall) { 2156 if (DBG) log("onCallResumed"); 2157 2158 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 2159 // is not the one we expected, we likely had a resume failure and we need to swap the 2160 // FG and BG calls back. 2161 if (mSwitchingFgAndBgCalls) { 2162 if (imsCall != mCallExpectedToResume) { 2163 // If the call which resumed isn't as expected, we need to swap back to the 2164 // previous configuration; the swap has failed. 2165 if (DBG) { 2166 log("onCallResumed : switching " + mForegroundCall + " with " 2167 + mBackgroundCall); 2168 } 2169 mForegroundCall.switchWith(mBackgroundCall); 2170 } else { 2171 // The call which resumed is the one we expected to resume, so we can clear out 2172 // the mSwitchingFgAndBgCalls flag. 2173 if (DBG) { 2174 log("onCallResumed : expected call resumed."); 2175 } 2176 } 2177 mSwitchingFgAndBgCalls = false; 2178 mCallExpectedToResume = null; 2179 } 2180 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 2181 DisconnectCause.NOT_DISCONNECTED); 2182 mMetrics.writeOnImsCallResumed(mPhone.getPhoneId(), imsCall.getCallSession()); 2183 } 2184 2185 @Override 2186 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2187 if (mSwitchingFgAndBgCalls) { 2188 // If we are in the midst of swapping the FG and BG calls and 2189 // we got a resume fail, we need to swap back the FG and BG calls. 2190 // Since the FG call was held, will also try to resume the same. 2191 if (imsCall == mCallExpectedToResume) { 2192 if (DBG) { 2193 log("onCallResumeFailed : switching " + mForegroundCall + " with " 2194 + mBackgroundCall); 2195 } 2196 mForegroundCall.switchWith(mBackgroundCall); 2197 if (mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) { 2198 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 2199 } 2200 } 2201 2202 //Call swap is done, reset the relevant variables 2203 mCallExpectedToResume = null; 2204 mSwitchingFgAndBgCalls = false; 2205 } 2206 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 2207 mMetrics.writeOnImsCallResumeFailed(mPhone.getPhoneId(), imsCall.getCallSession(), 2208 reasonInfo); 2209 } 2210 2211 @Override 2212 public void onCallResumeReceived(ImsCall imsCall) { 2213 if (DBG) log("onCallResumeReceived"); 2214 ImsPhoneConnection conn = findConnection(imsCall); 2215 if (conn != null) { 2216 if (mOnHoldToneStarted) { 2217 mPhone.stopOnHoldTone(conn); 2218 mOnHoldToneStarted = false; 2219 } 2220 2221 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_UNHELD, null); 2222 } 2223 2224 SuppServiceNotification supp = new SuppServiceNotification(); 2225 // Type of notification: 0 = MO; 1 = MT 2226 // Refer SuppServiceNotification class documentation. 2227 supp.notificationType = 1; 2228 supp.code = SuppServiceNotification.MT_CODE_CALL_RETRIEVED; 2229 mPhone.notifySuppSvcNotification(supp); 2230 mMetrics.writeOnImsCallResumeReceived(mPhone.getPhoneId(), imsCall.getCallSession()); 2231 } 2232 2233 @Override 2234 public void onCallHoldReceived(ImsCall imsCall) { 2235 if (DBG) log("onCallHoldReceived"); 2236 2237 ImsPhoneConnection conn = findConnection(imsCall); 2238 if (conn != null) { 2239 if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall) && 2240 conn.getState() == ImsPhoneCall.State.ACTIVE) { 2241 mPhone.startOnHoldTone(conn); 2242 mOnHoldToneStarted = true; 2243 mOnHoldToneId = System.identityHashCode(conn); 2244 } 2245 2246 conn.onConnectionEvent(android.telecom.Connection.EVENT_CALL_REMOTELY_HELD, null); 2247 } 2248 2249 SuppServiceNotification supp = new SuppServiceNotification(); 2250 // Type of notification: 0 = MO; 1 = MT 2251 // Refer SuppServiceNotification class documentation. 2252 supp.notificationType = 1; 2253 supp.code = SuppServiceNotification.MT_CODE_CALL_ON_HOLD; 2254 mPhone.notifySuppSvcNotification(supp); 2255 mMetrics.writeOnImsCallHoldReceived(mPhone.getPhoneId(), imsCall.getCallSession()); 2256 } 2257 2258 @Override 2259 public void onCallSuppServiceReceived(ImsCall call, 2260 ImsSuppServiceNotification suppServiceInfo) { 2261 if (DBG) log("onCallSuppServiceReceived: suppServiceInfo=" + suppServiceInfo); 2262 2263 SuppServiceNotification supp = new SuppServiceNotification(); 2264 supp.notificationType = suppServiceInfo.notificationType; 2265 supp.code = suppServiceInfo.code; 2266 supp.index = suppServiceInfo.index; 2267 supp.number = suppServiceInfo.number; 2268 supp.history = suppServiceInfo.history; 2269 2270 mPhone.notifySuppSvcNotification(supp); 2271 } 2272 2273 @Override 2274 public void onCallMerged(final ImsCall call, final ImsCall peerCall, boolean swapCalls) { 2275 if (DBG) log("onCallMerged"); 2276 2277 ImsPhoneCall foregroundImsPhoneCall = findConnection(call).getCall(); 2278 ImsPhoneConnection peerConnection = findConnection(peerCall); 2279 ImsPhoneCall peerImsPhoneCall = peerConnection == null ? null 2280 : peerConnection.getCall(); 2281 2282 if (swapCalls) { 2283 switchAfterConferenceSuccess(); 2284 } 2285 foregroundImsPhoneCall.merge(peerImsPhoneCall, ImsPhoneCall.State.ACTIVE); 2286 2287 try { 2288 final ImsPhoneConnection conn = findConnection(call); 2289 log("onCallMerged: ImsPhoneConnection=" + conn); 2290 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 2291 setVideoCallProvider(conn, call); 2292 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 2293 } catch (Exception e) { 2294 loge("onCallMerged: exception " + e); 2295 } 2296 2297 // After merge complete, update foreground as Active 2298 // and background call as Held, if background call exists 2299 processCallStateChange(mForegroundCall.getImsCall(), ImsPhoneCall.State.ACTIVE, 2300 DisconnectCause.NOT_DISCONNECTED); 2301 if (peerConnection != null) { 2302 processCallStateChange(mBackgroundCall.getImsCall(), ImsPhoneCall.State.HOLDING, 2303 DisconnectCause.NOT_DISCONNECTED); 2304 } 2305 2306 // Check if the merge was requested by an existing conference call. In that 2307 // case, no further action is required. 2308 if (!call.isMergeRequestedByConf()) { 2309 log("onCallMerged :: calling onMultipartyStateChanged()"); 2310 onMultipartyStateChanged(call, true); 2311 } else { 2312 log("onCallMerged :: Merge requested by existing conference."); 2313 // Reset the flag. 2314 call.resetIsMergeRequestedByConf(false); 2315 } 2316 logState(); 2317 } 2318 2319 @Override 2320 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 2321 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 2322 2323 // TODO: the call to notifySuppServiceFailed throws up the "merge failed" dialog 2324 // We should move this into the InCallService so that it is handled appropriately 2325 // based on the user facing UI. 2326 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 2327 2328 // Start plumbing this even through Telecom so other components can take 2329 // appropriate action. 2330 ImsPhoneConnection conn = findConnection(call); 2331 if (conn != null) { 2332 conn.onConferenceMergeFailed(); 2333 } 2334 } 2335 2336 /** 2337 * Called when the state of IMS conference participant(s) has changed. 2338 * 2339 * @param call the call object that carries out the IMS call. 2340 * @param participants the participant(s) and their new state information. 2341 */ 2342 @Override 2343 public void onConferenceParticipantsStateChanged(ImsCall call, 2344 List<ConferenceParticipant> participants) { 2345 if (DBG) log("onConferenceParticipantsStateChanged"); 2346 2347 ImsPhoneConnection conn = findConnection(call); 2348 if (conn != null) { 2349 conn.updateConferenceParticipants(participants); 2350 } 2351 } 2352 2353 @Override 2354 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 2355 mPhone.onTtyModeReceived(mode); 2356 } 2357 2358 @Override 2359 public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 2360 ImsReasonInfo reasonInfo) { 2361 if (DBG) { 2362 log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" + 2363 targetAccessTech + ", reasonInfo=" + reasonInfo); 2364 } 2365 2366 // Only consider it a valid handover to WIFI if the source radio tech is known. 2367 boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN 2368 && srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN 2369 && targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 2370 if (isHandoverToWifi) { 2371 // If we handed over to wifi successfully, don't check for failure in the future. 2372 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 2373 } 2374 2375 // Only consider it a handover from WIFI if the source and target radio tech is known. 2376 boolean isHandoverFromWifi = srcAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN 2377 && targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN 2378 && targetAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 2379 if (mNotifyHandoverVideoFromWifiToLTE && isHandoverFromWifi && imsCall.isVideoCall()) { 2380 log("onCallHandover :: notifying of WIFI to LTE handover."); 2381 ImsPhoneConnection conn = findConnection(imsCall); 2382 if (conn != null) { 2383 conn.onConnectionEvent( 2384 TelephonyManager.EVENT_HANDOVER_VIDEO_FROM_WIFI_TO_LTE, null); 2385 } else { 2386 loge("onCallHandover :: failed to notify of handover; connection is null."); 2387 } 2388 } 2389 2390 mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(), 2391 TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER, imsCall.getCallSession(), 2392 srcAccessTech, targetAccessTech, reasonInfo); 2393 } 2394 2395 @Override 2396 public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 2397 ImsReasonInfo reasonInfo) { 2398 if (DBG) { 2399 log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech + 2400 ", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo); 2401 } 2402 mMetrics.writeOnImsCallHandoverEvent(mPhone.getPhoneId(), 2403 TelephonyCallSession.Event.Type.IMS_CALL_HANDOVER_FAILED, 2404 imsCall.getCallSession(), srcAccessTech, targetAccessTech, reasonInfo); 2405 2406 boolean isHandoverToWifi = srcAccessTech != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN && 2407 targetAccessTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN; 2408 ImsPhoneConnection conn = findConnection(imsCall); 2409 if (conn != null && isHandoverToWifi) { 2410 log("onCallHandoverFailed - handover to WIFI Failed"); 2411 2412 // If we know we failed to handover, don't check for failure in the future. 2413 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 2414 2415 if (mNotifyVtHandoverToWifiFail) { 2416 // Only notify others if carrier config indicates to do so. 2417 conn.onHandoverToWifiFailed(); 2418 } 2419 } 2420 } 2421 2422 @Override 2423 public void onRttModifyRequestReceived(ImsCall imsCall) { 2424 ImsPhoneConnection conn = findConnection(imsCall); 2425 if (conn != null) { 2426 conn.onRttModifyRequestReceived(); 2427 } 2428 } 2429 2430 @Override 2431 public void onRttModifyResponseReceived(ImsCall imsCall, int status) { 2432 ImsPhoneConnection conn = findConnection(imsCall); 2433 if (conn != null) { 2434 conn.onRttModifyResponseReceived(status); 2435 if (status == 2436 android.telecom.Connection.RttModifyStatus.SESSION_MODIFY_REQUEST_SUCCESS) { 2437 conn.startRttTextProcessing(); 2438 } 2439 } 2440 } 2441 2442 @Override 2443 public void onRttMessageReceived(ImsCall imsCall, String message) { 2444 ImsPhoneConnection conn = findConnection(imsCall); 2445 if (conn != null) { 2446 conn.onRttMessageReceived(message); 2447 } 2448 } 2449 2450 /** 2451 * Handles a change to the multiparty state for an {@code ImsCall}. Notifies the associated 2452 * {@link ImsPhoneConnection} of the change. 2453 * 2454 * @param imsCall The IMS call. 2455 * @param isMultiParty {@code true} if the call became multiparty, {@code false} 2456 * otherwise. 2457 */ 2458 @Override 2459 public void onMultipartyStateChanged(ImsCall imsCall, boolean isMultiParty) { 2460 if (DBG) log("onMultipartyStateChanged to " + (isMultiParty ? "Y" : "N")); 2461 2462 ImsPhoneConnection conn = findConnection(imsCall); 2463 if (conn != null) { 2464 conn.updateMultipartyState(isMultiParty); 2465 } 2466 } 2467 }; 2468 2469 /** 2470 * Listen to the IMS call state change 2471 */ 2472 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 2473 @Override 2474 public void onCallStarted(ImsCall imsCall) { 2475 if (DBG) log("mImsUssdListener onCallStarted"); 2476 2477 if (imsCall == mUssdSession) { 2478 if (mPendingUssd != null) { 2479 AsyncResult.forMessage(mPendingUssd); 2480 mPendingUssd.sendToTarget(); 2481 mPendingUssd = null; 2482 } 2483 } 2484 } 2485 2486 @Override 2487 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2488 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 2489 2490 onCallTerminated(imsCall, reasonInfo); 2491 } 2492 2493 @Override 2494 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 2495 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 2496 removeMessages(EVENT_CHECK_FOR_WIFI_HANDOVER); 2497 2498 if (imsCall == mUssdSession) { 2499 mUssdSession = null; 2500 if (mPendingUssd != null) { 2501 CommandException ex = 2502 new CommandException(CommandException.Error.GENERIC_FAILURE); 2503 AsyncResult.forMessage(mPendingUssd, null, ex); 2504 mPendingUssd.sendToTarget(); 2505 mPendingUssd = null; 2506 } 2507 } 2508 imsCall.close(); 2509 } 2510 2511 @Override 2512 public void onCallUssdMessageReceived(ImsCall call, 2513 int mode, String ussdMessage) { 2514 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 2515 2516 int ussdMode = -1; 2517 2518 switch(mode) { 2519 case ImsCall.USSD_MODE_REQUEST: 2520 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 2521 break; 2522 2523 case ImsCall.USSD_MODE_NOTIFY: 2524 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 2525 break; 2526 } 2527 2528 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 2529 } 2530 }; 2531 2532 /** 2533 * Listen to the IMS service state change 2534 * 2535 */ 2536 private ImsConnectionStateListener mImsConnectionStateListener = 2537 new ImsConnectionStateListener() { 2538 @Override 2539 public void onImsConnected() { 2540 if (DBG) log("onImsConnected"); 2541 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 2542 mPhone.setImsRegistered(true); 2543 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2544 ImsConnectionState.State.CONNECTED, null); 2545 } 2546 2547 @Override 2548 public void onImsDisconnected(ImsReasonInfo imsReasonInfo) { 2549 if (DBG) log("onImsDisconnected imsReasonInfo=" + imsReasonInfo); 2550 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 2551 mPhone.setImsRegistered(false); 2552 mPhone.processDisconnectReason(imsReasonInfo); 2553 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2554 ImsConnectionState.State.DISCONNECTED, imsReasonInfo); 2555 } 2556 2557 @Override 2558 public void onImsProgressing() { 2559 if (DBG) log("onImsProgressing"); 2560 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 2561 mPhone.setImsRegistered(false); 2562 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2563 ImsConnectionState.State.PROGRESSING, null); 2564 } 2565 2566 @Override 2567 public void onImsResumed() { 2568 if (DBG) log("onImsResumed"); 2569 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 2570 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2571 ImsConnectionState.State.RESUMED, null); 2572 } 2573 2574 @Override 2575 public void onImsSuspended() { 2576 if (DBG) log("onImsSuspended"); 2577 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 2578 mMetrics.writeOnImsConnectionState(mPhone.getPhoneId(), 2579 ImsConnectionState.State.SUSPENDED, null); 2580 2581 } 2582 2583 @Override 2584 public void onFeatureCapabilityChanged(int serviceClass, 2585 int[] enabledFeatures, int[] disabledFeatures) { 2586 if (serviceClass == ImsServiceClass.MMTEL) { 2587 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 2588 // Check enabledFeatures to determine capabilities. We ignore disabledFeatures. 2589 StringBuilder sb; 2590 if (DBG) { 2591 sb = new StringBuilder(120); 2592 sb.append("onFeatureCapabilityChanged: "); 2593 } 2594 for (int i = ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE; 2595 i <= ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI && 2596 i < enabledFeatures.length; i++) { 2597 if (enabledFeatures[i] == i) { 2598 // If the feature is set to its own integer value it is enabled. 2599 if (DBG) { 2600 sb.append(mImsFeatureStrings[i]); 2601 sb.append(":true "); 2602 } 2603 2604 mImsFeatureEnabled[i] = true; 2605 } else if (enabledFeatures[i] 2606 == ImsConfig.FeatureConstants.FEATURE_TYPE_UNKNOWN) { 2607 // FEATURE_TYPE_UNKNOWN indicates that a feature is disabled. 2608 if (DBG) { 2609 sb.append(mImsFeatureStrings[i]); 2610 sb.append(":false "); 2611 } 2612 2613 mImsFeatureEnabled[i] = false; 2614 } else { 2615 // Feature has unknown state; it is not its own value or -1. 2616 if (DBG) { 2617 loge("onFeatureCapabilityChanged(" + i + ", " + mImsFeatureStrings[i] 2618 + "): unexpectedValue=" + enabledFeatures[i]); 2619 } 2620 } 2621 } 2622 if (DBG) { 2623 log(sb.toString()); 2624 } 2625 if (tmpIsVideoCallEnabled != isVideoCallEnabled()) { 2626 mPhone.notifyForVideoCapabilityChanged(isVideoCallEnabled()); 2627 } 2628 2629 if (DBG) log("onFeatureCapabilityChanged: isVolteEnabled=" + isVolteEnabled() 2630 + ", isVideoCallEnabled=" + isVideoCallEnabled() 2631 + ", isVowifiEnabled=" + isVowifiEnabled() 2632 + ", isUtEnabled=" + isUtEnabled()); 2633 2634 mPhone.onFeatureCapabilityChanged(); 2635 2636 mMetrics.writeOnImsCapabilities( 2637 mPhone.getPhoneId(), mImsFeatureEnabled); 2638 } 2639 } 2640 2641 @Override 2642 public void onVoiceMessageCountChanged(int count) { 2643 if (DBG) log("onVoiceMessageCountChanged :: count=" + count); 2644 mPhone.mDefaultPhone.setVoiceMessageCount(count); 2645 } 2646 2647 @Override 2648 public void registrationAssociatedUriChanged(Uri[] uris) { 2649 if (DBG) log("registrationAssociatedUriChanged"); 2650 mPhone.setCurrentSubscriberUris(uris); 2651 } 2652 }; 2653 2654 private ImsConfigListener.Stub mImsConfigListener = new ImsConfigListener.Stub() { 2655 @Override 2656 public void onGetFeatureResponse(int feature, int network, int value, int status) {} 2657 2658 @Override 2659 public void onSetFeatureResponse(int feature, int network, int value, int status) { 2660 mMetrics.writeImsSetFeatureValue( 2661 mPhone.getPhoneId(), feature, network, value, status); 2662 } 2663 2664 @Override 2665 public void onGetVideoQuality(int status, int quality) {} 2666 2667 @Override 2668 public void onSetVideoQuality(int status) {} 2669 2670 }; 2671 2672 public ImsUtInterface getUtInterface() throws ImsException { 2673 if (mImsManager == null) { 2674 throw getImsManagerIsNullException(); 2675 } 2676 2677 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(); 2678 return ut; 2679 } 2680 2681 private void transferHandoverConnections(ImsPhoneCall call) { 2682 if (call.mConnections != null) { 2683 for (Connection c : call.mConnections) { 2684 c.mPreHandoverState = call.mState; 2685 log ("Connection state before handover is " + c.getStateBeforeHandover()); 2686 } 2687 } 2688 if (mHandoverCall.mConnections == null ) { 2689 mHandoverCall.mConnections = call.mConnections; 2690 } else { // Multi-call SRVCC 2691 mHandoverCall.mConnections.addAll(call.mConnections); 2692 } 2693 if (mHandoverCall.mConnections != null) { 2694 if (call.getImsCall() != null) { 2695 call.getImsCall().close(); 2696 } 2697 for (Connection c : mHandoverCall.mConnections) { 2698 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 2699 ((ImsPhoneConnection)c).releaseWakeLock(); 2700 } 2701 } 2702 if (call.getState().isAlive()) { 2703 log ("Call is alive and state is " + call.mState); 2704 mHandoverCall.mState = call.mState; 2705 } 2706 call.mConnections.clear(); 2707 call.mState = ImsPhoneCall.State.IDLE; 2708 } 2709 2710 /* package */ 2711 void notifySrvccState(Call.SrvccState state) { 2712 if (DBG) log("notifySrvccState state=" + state); 2713 2714 mSrvccState = state; 2715 2716 if (mSrvccState == Call.SrvccState.COMPLETED) { 2717 transferHandoverConnections(mForegroundCall); 2718 transferHandoverConnections(mBackgroundCall); 2719 transferHandoverConnections(mRingingCall); 2720 } 2721 } 2722 2723 //****** Overridden from Handler 2724 2725 @Override 2726 public void 2727 handleMessage (Message msg) { 2728 AsyncResult ar; 2729 if (DBG) log("handleMessage what=" + msg.what); 2730 2731 switch (msg.what) { 2732 case EVENT_HANGUP_PENDINGMO: 2733 if (mPendingMO != null) { 2734 mPendingMO.onDisconnect(); 2735 removeConnection(mPendingMO); 2736 mPendingMO = null; 2737 } 2738 mPendingIntentExtras = null; 2739 updatePhoneState(); 2740 mPhone.notifyPreciseCallStateChanged(); 2741 break; 2742 case EVENT_RESUME_BACKGROUND: 2743 try { 2744 resumeWaitingOrHolding(); 2745 } catch (CallStateException e) { 2746 if (Phone.DEBUG_PHONE) { 2747 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 2748 } 2749 } 2750 break; 2751 case EVENT_DIAL_PENDINGMO: 2752 dialInternal(mPendingMO, mClirMode, mPendingCallVideoState, mPendingIntentExtras); 2753 mPendingIntentExtras = null; 2754 break; 2755 2756 case EVENT_EXIT_ECBM_BEFORE_PENDINGMO: 2757 if (mPendingMO != null) { 2758 //Send ECBM exit request 2759 try { 2760 getEcbmInterface().exitEmergencyCallbackMode(); 2761 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 2762 pendingCallClirMode = mClirMode; 2763 pendingCallInEcm = true; 2764 } catch (ImsException e) { 2765 e.printStackTrace(); 2766 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 2767 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 2768 } 2769 } 2770 break; 2771 2772 case EVENT_EXIT_ECM_RESPONSE_CDMA: 2773 // no matter the result, we still do the same here 2774 if (pendingCallInEcm) { 2775 dialInternal(mPendingMO, pendingCallClirMode, 2776 mPendingCallVideoState, mPendingIntentExtras); 2777 mPendingIntentExtras = null; 2778 pendingCallInEcm = false; 2779 } 2780 mPhone.unsetOnEcbModeExitResponse(this); 2781 break; 2782 case EVENT_VT_DATA_USAGE_UPDATE: 2783 ar = (AsyncResult) msg.obj; 2784 ImsCall call = (ImsCall) ar.userObj; 2785 Long usage = (long) ar.result; 2786 log("VT data usage update. usage = " + usage + ", imsCall = " + call); 2787 if (usage > 0) { 2788 updateVtDataUsage(call, usage); 2789 } 2790 break; 2791 case EVENT_DATA_ENABLED_CHANGED: 2792 ar = (AsyncResult) msg.obj; 2793 if (ar.result instanceof Pair) { 2794 Pair<Boolean, Integer> p = (Pair<Boolean, Integer>) ar.result; 2795 onDataEnabledChanged(p.first, p.second); 2796 } 2797 break; 2798 case EVENT_GET_IMS_SERVICE: 2799 try { 2800 getImsService(); 2801 } catch (ImsException e) { 2802 loge("getImsService: " + e); 2803 retryGetImsService(); 2804 } 2805 break; 2806 case EVENT_CHECK_FOR_WIFI_HANDOVER: 2807 if (msg.obj instanceof ImsCall) { 2808 ImsCall imsCall = (ImsCall) msg.obj; 2809 if (!imsCall.isWifiCall()) { 2810 // Call did not handover to wifi, notify of handover failure. 2811 ImsPhoneConnection conn = findConnection(imsCall); 2812 if (conn != null) { 2813 conn.onHandoverToWifiFailed(); 2814 } 2815 } 2816 } 2817 break; 2818 } 2819 } 2820 2821 /** 2822 * Update video call data usage 2823 * 2824 * @param call The IMS call 2825 * @param dataUsage The aggregated data usage for the call 2826 */ 2827 private void updateVtDataUsage(ImsCall call, long dataUsage) { 2828 long oldUsage = 0L; 2829 if (mVtDataUsageMap.containsKey(call.uniqueId)) { 2830 oldUsage = mVtDataUsageMap.get(call.uniqueId); 2831 } 2832 2833 long delta = dataUsage - oldUsage; 2834 mVtDataUsageMap.put(call.uniqueId, dataUsage); 2835 2836 log("updateVtDataUsage: call=" + call + ", delta=" + delta); 2837 2838 long currentTime = SystemClock.elapsedRealtime(); 2839 int isRoaming = mPhone.getServiceState().getDataRoaming() ? 1 : 0; 2840 2841 // Create the snapshot of total video call data usage. 2842 NetworkStats vtDataUsageSnapshot = new NetworkStats(currentTime, 1); 2843 vtDataUsageSnapshot.combineAllValues(mVtDataUsageSnapshot); 2844 // Since the modem only reports the total vt data usage rather than rx/tx separately, 2845 // the only thing we can do here is splitting the usage into half rx and half tx. 2846 // Uid -1 indicates this is for the overall device data usage. 2847 vtDataUsageSnapshot.combineValues(new NetworkStats.Entry( 2848 NetworkStatsService.VT_INTERFACE, -1, NetworkStats.SET_FOREGROUND, 2849 NetworkStats.TAG_NONE, 1, isRoaming, delta / 2, 0, delta / 2, 0, 0)); 2850 mVtDataUsageSnapshot = vtDataUsageSnapshot; 2851 2852 // Create the snapshot of video call data usage per dialer. combineValues will create 2853 // a separate entry if uid is different from the previous snapshot. 2854 NetworkStats vtDataUsageUidSnapshot = new NetworkStats(currentTime, 1); 2855 vtDataUsageUidSnapshot.combineAllValues(mVtDataUsageUidSnapshot); 2856 // Since the modem only reports the total vt data usage rather than rx/tx separately, 2857 // the only thing we can do here is splitting the usage into half rx and half tx. 2858 vtDataUsageUidSnapshot.combineValues(new NetworkStats.Entry( 2859 NetworkStatsService.VT_INTERFACE, mDefaultDialerUid.get(), 2860 NetworkStats.SET_FOREGROUND, NetworkStats.TAG_NONE, 1, isRoaming, delta / 2, 2861 0, delta / 2, 0, 0)); 2862 mVtDataUsageUidSnapshot = vtDataUsageUidSnapshot; 2863 } 2864 2865 @Override 2866 protected void log(String msg) { 2867 Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 2868 } 2869 2870 protected void loge(String msg) { 2871 Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 2872 } 2873 2874 /** 2875 * Logs the current state of the ImsPhoneCallTracker. Useful for debugging issues with 2876 * call tracking. 2877 */ 2878 /* package */ 2879 void logState() { 2880 if (!VERBOSE_STATE_LOGGING) { 2881 return; 2882 } 2883 2884 StringBuilder sb = new StringBuilder(); 2885 sb.append("Current IMS PhoneCall State:\n"); 2886 sb.append(" Foreground: "); 2887 sb.append(mForegroundCall); 2888 sb.append("\n"); 2889 sb.append(" Background: "); 2890 sb.append(mBackgroundCall); 2891 sb.append("\n"); 2892 sb.append(" Ringing: "); 2893 sb.append(mRingingCall); 2894 sb.append("\n"); 2895 sb.append(" Handover: "); 2896 sb.append(mHandoverCall); 2897 sb.append("\n"); 2898 Rlog.v(LOG_TAG, sb.toString()); 2899 } 2900 2901 @Override 2902 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2903 pw.println("ImsPhoneCallTracker extends:"); 2904 super.dump(fd, pw, args); 2905 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 2906 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 2907 pw.println(" mRingingCall=" + mRingingCall); 2908 pw.println(" mForegroundCall=" + mForegroundCall); 2909 pw.println(" mBackgroundCall=" + mBackgroundCall); 2910 pw.println(" mHandoverCall=" + mHandoverCall); 2911 pw.println(" mPendingMO=" + mPendingMO); 2912 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 2913 pw.println(" mPhone=" + mPhone); 2914 pw.println(" mDesiredMute=" + mDesiredMute); 2915 pw.println(" mState=" + mState); 2916 for (int i = 0; i < mImsFeatureEnabled.length; i++) { 2917 pw.println(" " + mImsFeatureStrings[i] + ": " 2918 + ((mImsFeatureEnabled[i]) ? "enabled" : "disabled")); 2919 } 2920 pw.println(" mDefaultDialerUid=" + mDefaultDialerUid.get()); 2921 pw.println(" mVtDataUsageSnapshot=" + mVtDataUsageSnapshot); 2922 pw.println(" mVtDataUsageUidSnapshot=" + mVtDataUsageUidSnapshot); 2923 2924 pw.flush(); 2925 pw.println("++++++++++++++++++++++++++++++++"); 2926 2927 try { 2928 if (mImsManager != null) { 2929 mImsManager.dump(fd, pw, args); 2930 } 2931 } catch (Exception e) { 2932 e.printStackTrace(); 2933 } 2934 2935 if (mConnections != null && mConnections.size() > 0) { 2936 pw.println("mConnections:"); 2937 for (int i = 0; i < mConnections.size(); i++) { 2938 pw.println(" [" + i + "]: " + mConnections.get(i)); 2939 } 2940 } 2941 } 2942 2943 @Override 2944 protected void handlePollCalls(AsyncResult ar) { 2945 } 2946 2947 /* package */ 2948 ImsEcbm getEcbmInterface() throws ImsException { 2949 if (mImsManager == null) { 2950 throw getImsManagerIsNullException(); 2951 } 2952 2953 ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId); 2954 return ecbm; 2955 } 2956 2957 /* package */ 2958 ImsMultiEndpoint getMultiEndpointInterface() throws ImsException { 2959 if (mImsManager == null) { 2960 throw getImsManagerIsNullException(); 2961 } 2962 2963 try { 2964 return mImsManager.getMultiEndpointInterface(mServiceId); 2965 } catch (ImsException e) { 2966 if (e.getCode() == ImsReasonInfo.CODE_MULTIENDPOINT_NOT_SUPPORTED) { 2967 return null; 2968 } else { 2969 throw e; 2970 } 2971 2972 } 2973 } 2974 2975 public boolean isInEmergencyCall() { 2976 return mIsInEmergencyCall; 2977 } 2978 2979 public boolean isVolteEnabled() { 2980 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE]; 2981 } 2982 2983 public boolean isVowifiEnabled() { 2984 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_WIFI]; 2985 } 2986 2987 public boolean isVideoCallEnabled() { 2988 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] 2989 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_WIFI]); 2990 } 2991 2992 @Override 2993 public PhoneConstants.State getState() { 2994 return mState; 2995 } 2996 2997 private void retryGetImsService() { 2998 // The binder connection is already up. Do not try to get it again. 2999 if (mImsManager.isServiceAvailable()) { 3000 return; 3001 } 3002 //Leave mImsManager as null, then CallStateException will be thrown when dialing 3003 mImsManager = null; 3004 // Exponential backoff during retry, limited to 32 seconds. 3005 loge("getImsService: Retrying getting ImsService..."); 3006 removeMessages(EVENT_GET_IMS_SERVICE); 3007 sendEmptyMessageDelayed(EVENT_GET_IMS_SERVICE, mRetryTimeout.get()); 3008 } 3009 3010 private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) 3011 throws RemoteException { 3012 IImsVideoCallProvider imsVideoCallProvider = 3013 imsCall.getCallSession().getVideoCallProvider(); 3014 if (imsVideoCallProvider != null) { 3015 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 3016 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 3017 conn.setVideoProvider(imsVideoCallProviderWrapper); 3018 imsVideoCallProviderWrapper.registerForDataUsageUpdate 3019 (this, EVENT_VT_DATA_USAGE_UPDATE, imsCall); 3020 imsVideoCallProviderWrapper.addImsVideoProviderCallback(conn); 3021 } 3022 } 3023 3024 public boolean isUtEnabled() { 3025 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_LTE] 3026 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI]); 3027 } 3028 3029 /** 3030 * Given a call subject, removes any characters considered by the current carrier to be 3031 * invalid, as well as escaping (using \) any characters which the carrier requires to be 3032 * escaped. 3033 * 3034 * @param callSubject The call subject. 3035 * @return The call subject with invalid characters removed and escaping applied as required. 3036 */ 3037 private String cleanseInstantLetteringMessage(String callSubject) { 3038 if (TextUtils.isEmpty(callSubject)) { 3039 return callSubject; 3040 } 3041 3042 // Get the carrier config for the current sub. 3043 CarrierConfigManager configMgr = (CarrierConfigManager) 3044 mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 3045 // Bail if we can't find the carrier config service. 3046 if (configMgr == null) { 3047 return callSubject; 3048 } 3049 3050 PersistableBundle carrierConfig = configMgr.getConfigForSubId(mPhone.getSubId()); 3051 // Bail if no carrier config found. 3052 if (carrierConfig == null) { 3053 return callSubject; 3054 } 3055 3056 // Try to replace invalid characters 3057 String invalidCharacters = carrierConfig.getString( 3058 CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING); 3059 if (!TextUtils.isEmpty(invalidCharacters)) { 3060 callSubject = callSubject.replaceAll(invalidCharacters, ""); 3061 } 3062 3063 // Try to escape characters which need to be escaped. 3064 String escapedCharacters = carrierConfig.getString( 3065 CarrierConfigManager.KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING); 3066 if (!TextUtils.isEmpty(escapedCharacters)) { 3067 callSubject = escapeChars(escapedCharacters, callSubject); 3068 } 3069 return callSubject; 3070 } 3071 3072 /** 3073 * Given a source string, return a string where a set of characters are escaped using the 3074 * backslash character. 3075 * 3076 * @param toEscape The characters to escape with a backslash. 3077 * @param source The source string. 3078 * @return The source string with characters escaped. 3079 */ 3080 private String escapeChars(String toEscape, String source) { 3081 StringBuilder escaped = new StringBuilder(); 3082 for (char c : source.toCharArray()) { 3083 if (toEscape.contains(Character.toString(c))) { 3084 escaped.append("\\"); 3085 } 3086 escaped.append(c); 3087 } 3088 3089 return escaped.toString(); 3090 } 3091 3092 /** 3093 * Initiates a pull of an external call. 3094 * 3095 * Initiates a pull by making a dial request with the {@link ImsCallProfile#EXTRA_IS_CALL_PULL} 3096 * extra specified. We call {@link ImsPhone#notifyUnknownConnection(Connection)} which notifies 3097 * Telecom of the new dialed connection. The 3098 * {@code PstnIncomingCallNotifier#maybeSwapWithUnknownConnection} logic ensures that the new 3099 * {@link ImsPhoneConnection} resulting from the dial gets swapped with the 3100 * {@link ImsExternalConnection}, which effectively makes the external call become a regular 3101 * call. Magic! 3102 * 3103 * @param number The phone number of the call to be pulled. 3104 * @param videoState The desired video state of the pulled call. 3105 * @param dialogId The {@link ImsExternalConnection#getCallId()} dialog id associated with the 3106 * call which is being pulled. 3107 */ 3108 @Override 3109 public void pullExternalCall(String number, int videoState, int dialogId) { 3110 Bundle extras = new Bundle(); 3111 extras.putBoolean(ImsCallProfile.EXTRA_IS_CALL_PULL, true); 3112 extras.putInt(ImsExternalCallTracker.EXTRA_IMS_EXTERNAL_CALL_ID, dialogId); 3113 try { 3114 Connection connection = dial(number, videoState, extras); 3115 mPhone.notifyUnknownConnection(connection); 3116 } catch (CallStateException e) { 3117 loge("pullExternalCall failed - " + e); 3118 } 3119 } 3120 3121 private ImsException getImsManagerIsNullException() { 3122 return new ImsException("no ims manager", ImsReasonInfo.CODE_LOCAL_ILLEGAL_STATE); 3123 } 3124 3125 /** 3126 * Determines if answering an incoming call will cause the active call to be disconnected. 3127 * <p> 3128 * This will be the case if 3129 * {@link CarrierConfigManager#KEY_DROP_VIDEO_CALL_WHEN_ANSWERING_AUDIO_CALL_BOOL} is 3130 * {@code true} for the carrier, the active call is a video call over WIFI, and the incoming 3131 * call is an audio call. 3132 * 3133 * @param activeCall The active call. 3134 * @param incomingCall The incoming call. 3135 * @return {@code true} if answering the incoming call will cause the active call to be 3136 * disconnected, {@code false} otherwise. 3137 */ 3138 private boolean shouldDisconnectActiveCallOnAnswer(ImsCall activeCall, 3139 ImsCall incomingCall) { 3140 3141 if (activeCall == null || incomingCall == null) { 3142 return false; 3143 } 3144 3145 if (!mDropVideoCallWhenAnsweringAudioCall) { 3146 return false; 3147 } 3148 3149 boolean isActiveCallVideo = activeCall.isVideoCall() || 3150 (mTreatDowngradedVideoCallsAsVideoCalls && activeCall.wasVideoCall()); 3151 boolean isActiveCallOnWifi = activeCall.isWifiCall(); 3152 boolean isVoWifiEnabled = mImsManager.isWfcEnabledByPlatform(mPhone.getContext()) && 3153 mImsManager.isWfcEnabledByUser(mPhone.getContext()); 3154 boolean isIncomingCallAudio = !incomingCall.isVideoCall(); 3155 log("shouldDisconnectActiveCallOnAnswer : isActiveCallVideo=" + isActiveCallVideo + 3156 " isActiveCallOnWifi=" + isActiveCallOnWifi + " isIncomingCallAudio=" + 3157 isIncomingCallAudio + " isVowifiEnabled=" + isVoWifiEnabled); 3158 3159 return isActiveCallVideo && isActiveCallOnWifi && isIncomingCallAudio && !isVoWifiEnabled; 3160 } 3161 3162 /** 3163 * Get aggregated video call data usage since boot. 3164 * 3165 * @param perUidStats True if requesting data usage per uid, otherwise overall usage. 3166 * @return Snapshot of video call data usage 3167 */ 3168 public NetworkStats getVtDataUsage(boolean perUidStats) { 3169 3170 // If there is an ongoing VT call, request the latest VT usage from the modem. The latest 3171 // usage will return asynchronously so it won't be counted in this round, but it will be 3172 // eventually counted when next getVtDataUsage is called. 3173 if (mState != PhoneConstants.State.IDLE) { 3174 for (ImsPhoneConnection conn : mConnections) { 3175 android.telecom.Connection.VideoProvider videoProvider = conn.getVideoProvider(); 3176 if (videoProvider != null) { 3177 videoProvider.onRequestConnectionDataUsage(); 3178 } 3179 } 3180 } 3181 3182 return perUidStats ? mVtDataUsageUidSnapshot : mVtDataUsageSnapshot; 3183 } 3184 3185 public void registerPhoneStateListener(PhoneStateListener listener) { 3186 mPhoneStateListeners.add(listener); 3187 } 3188 3189 public void unregisterPhoneStateListener(PhoneStateListener listener) { 3190 mPhoneStateListeners.remove(listener); 3191 } 3192 3193 /** 3194 * Notifies local telephony listeners of changes to the IMS phone state. 3195 * 3196 * @param oldState The old state. 3197 * @param newState The new state. 3198 */ 3199 private void notifyPhoneStateChanged(PhoneConstants.State oldState, 3200 PhoneConstants.State newState) { 3201 3202 for (PhoneStateListener listener : mPhoneStateListeners) { 3203 listener.onPhoneStateChanged(oldState, newState); 3204 } 3205 } 3206 3207 /** Modify video call to a new video state. 3208 * 3209 * @param imsCall IMS call to be modified 3210 * @param newVideoState New video state. (Refer to VideoProfile) 3211 */ 3212 private void modifyVideoCall(ImsCall imsCall, int newVideoState) { 3213 ImsPhoneConnection conn = findConnection(imsCall); 3214 if (conn != null) { 3215 int oldVideoState = conn.getVideoState(); 3216 if (conn.getVideoProvider() != null) { 3217 conn.getVideoProvider().onSendSessionModifyRequest( 3218 new VideoProfile(oldVideoState), new VideoProfile(newVideoState)); 3219 } 3220 } 3221 } 3222 3223 /** 3224 * Handler of data enabled changed event 3225 * @param enabled True if data is enabled, otherwise disabled. 3226 * @param reason Reason for data enabled/disabled (see {@code REASON_*} in 3227 * {@link DataEnabledSettings}. 3228 */ 3229 private void onDataEnabledChanged(boolean enabled, int reason) { 3230 3231 log("onDataEnabledChanged: enabled=" + enabled + ", reason=" + reason); 3232 3233 ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()).setDataEnabled(enabled); 3234 mIsDataEnabled = enabled; 3235 3236 if (mIgnoreDataEnabledChangedForVideoCalls) { 3237 log("Ignore data " + ((enabled) ? "enabled" : "disabled") + " due to carrier policy."); 3238 return; 3239 } 3240 3241 if (mIgnoreDataEnabledChangedForVideoCalls) { 3242 log("Ignore data " + ((enabled) ? "enabled" : "disabled") + " due to carrier policy."); 3243 return; 3244 } 3245 3246 if (!enabled) { 3247 int reasonCode; 3248 if (reason == DataEnabledSettings.REASON_POLICY_DATA_ENABLED) { 3249 reasonCode = ImsReasonInfo.CODE_DATA_LIMIT_REACHED; 3250 } else if (reason == DataEnabledSettings.REASON_USER_DATA_ENABLED) { 3251 reasonCode = ImsReasonInfo.CODE_DATA_DISABLED; 3252 } else { 3253 // Unexpected code, default to data disabled. 3254 reasonCode = ImsReasonInfo.CODE_DATA_DISABLED; 3255 } 3256 3257 // If data is disabled while there are ongoing VT calls which are not taking place over 3258 // wifi, then they should be disconnected to prevent the user from incurring further 3259 // data charges. 3260 for (ImsPhoneConnection conn : mConnections) { 3261 ImsCall imsCall = conn.getImsCall(); 3262 if (imsCall != null && imsCall.isVideoCall() && !imsCall.isWifiCall()) { 3263 if (conn.hasCapabilities( 3264 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_LOCAL | 3265 Connection.Capability.SUPPORTS_DOWNGRADE_TO_VOICE_REMOTE)) { 3266 3267 // If the carrier supports downgrading to voice, then we can simply issue a 3268 // downgrade to voice instead of terminating the call. 3269 if (reasonCode == ImsReasonInfo.CODE_DATA_DISABLED) { 3270 conn.onConnectionEvent(TelephonyManager.EVENT_DOWNGRADE_DATA_DISABLED, 3271 null); 3272 } else if (reasonCode == ImsReasonInfo.CODE_DATA_LIMIT_REACHED) { 3273 conn.onConnectionEvent( 3274 TelephonyManager.EVENT_DOWNGRADE_DATA_LIMIT_REACHED, null); 3275 } 3276 modifyVideoCall(imsCall, VideoProfile.STATE_AUDIO_ONLY); 3277 } else if (mSupportPauseVideo) { 3278 // The carrier supports video pause signalling, so pause the video. 3279 mShouldUpdateImsConfigOnDisconnect = true; 3280 conn.pauseVideo(VideoPauseTracker.SOURCE_DATA_ENABLED); 3281 } else { 3282 // At this point the only choice we have is to terminate the call. 3283 try { 3284 imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED, reasonCode); 3285 } catch (ImsException ie) { 3286 loge("Couldn't terminate call " + imsCall); 3287 } 3288 } 3289 } 3290 } 3291 } else if (mSupportPauseVideo) { 3292 // Data was re-enabled, so un-pause previously paused video calls. 3293 for (ImsPhoneConnection conn : mConnections) { 3294 // If video is paused, check to see if there are any pending pauses due to enabled 3295 // state of data changing. 3296 log("onDataEnabledChanged - resuming " + conn); 3297 if (VideoProfile.isPaused(conn.getVideoState()) && 3298 conn.wasVideoPausedFromSource(VideoPauseTracker.SOURCE_DATA_ENABLED)) { 3299 // The data enabled state was a cause of a pending pause, so potentially 3300 // resume the video now. 3301 conn.resumeVideo(VideoPauseTracker.SOURCE_DATA_ENABLED); 3302 } 3303 } 3304 mShouldUpdateImsConfigOnDisconnect = false; 3305 } 3306 3307 3308 // We do not want to update the ImsConfig for REASON_REGISTERED, since it can happen before 3309 // the carrier config has loaded and will deregister IMS. 3310 if (!mShouldUpdateImsConfigOnDisconnect 3311 && reason != DataEnabledSettings.REASON_REGISTERED) { 3312 // This will call into updateVideoCallFeatureValue and eventually all clients will be 3313 // asynchronously notified that the availability of VT over LTE has changed. 3314 ImsManager.updateImsServiceConfig(mPhone.getContext(), mPhone.getPhoneId(), true); 3315 } 3316 } 3317 3318 /** 3319 * @return {@code true} if the device is connected to a WIFI network, {@code false} otherwise. 3320 */ 3321 private boolean isWifiConnected() { 3322 ConnectivityManager cm = (ConnectivityManager) mPhone.getContext() 3323 .getSystemService(Context.CONNECTIVITY_SERVICE); 3324 if (cm != null) { 3325 NetworkInfo ni = cm.getActiveNetworkInfo(); 3326 if (ni != null && ni.isConnected()) { 3327 return ni.getType() == ConnectivityManager.TYPE_WIFI; 3328 } 3329 } 3330 return false; 3331 } 3332 3333 /** 3334 * @return {@code true} if downgrading of a video call to audio is supported. 3335 */ 3336 public boolean isCarrierDowngradeOfVtCallSupported() { 3337 return mSupportDowngradeVtToAudio; 3338 } 3339} 3340