ImsPhoneCallTracker.java revision 6bb557b243f3fc9984b82319026519608ada2c9c
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 java.io.FileDescriptor; 20import java.io.PrintWriter; 21import java.util.ArrayList; 22import java.util.List; 23 24import android.app.PendingIntent; 25import android.content.BroadcastReceiver; 26import android.content.Context; 27import android.content.Intent; 28import android.content.IntentFilter; 29import android.content.SharedPreferences; 30import android.os.AsyncResult; 31import android.os.Bundle; 32import android.os.Handler; 33import android.os.Message; 34import android.os.Registrant; 35import android.os.RegistrantList; 36import android.os.RemoteException; 37import android.os.SystemProperties; 38import android.provider.Settings; 39import android.widget.Toast; 40import android.preference.PreferenceManager; 41import android.telecom.ConferenceParticipant; 42import android.telecom.VideoProfile; 43import android.telephony.DisconnectCause; 44import android.telephony.PhoneNumberUtils; 45import android.telephony.Rlog; 46import android.telephony.ServiceState; 47 48import com.android.ims.ImsCall; 49import com.android.ims.ImsCallProfile; 50import com.android.ims.ImsConfig; 51import com.android.ims.ImsConnectionStateListener; 52import com.android.ims.ImsEcbm; 53import com.android.ims.ImsException; 54import com.android.ims.ImsManager; 55import com.android.ims.ImsReasonInfo; 56import com.android.ims.ImsServiceClass; 57import com.android.ims.ImsSuppServiceNotification; 58import com.android.ims.ImsUtInterface; 59import com.android.ims.internal.IImsVideoCallProvider; 60import com.android.ims.internal.ImsVideoCallProviderWrapper; 61import com.android.internal.telephony.Call; 62import com.android.internal.telephony.CallStateException; 63import com.android.internal.telephony.CallTracker; 64import com.android.internal.telephony.CommandException; 65import com.android.internal.telephony.CommandsInterface; 66import com.android.internal.telephony.Connection; 67import com.android.internal.telephony.Phone; 68import com.android.internal.telephony.PhoneBase; 69import com.android.internal.telephony.PhoneConstants; 70import com.android.internal.telephony.TelephonyProperties; 71import com.android.internal.telephony.gsm.SuppServiceNotification; 72 73/** 74 * {@hide} 75 */ 76public final class ImsPhoneCallTracker extends CallTracker { 77 static final String LOG_TAG = "ImsPhoneCallTracker"; 78 79 private static final boolean DBG = true; 80 81 // When true, dumps the state of ImsPhoneCallTracker after changes to foreground and background 82 // calls. This is helpful for debugging. 83 private static final boolean VERBOSE_STATE_LOGGING = false; /* stopship if true */ 84 85 //Indices map to ImsConfig.FeatureConstants 86 private boolean[] mImsFeatureEnabled = {false, false, false, false, false, false}; 87 private final String[] mImsFeatureStrings = {"VoLTE", "ViLTE", "VoWiFi", "ViWiFi", 88 "UTLTE", "UTWiFi"}; 89 90 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 91 @Override 92 public void onReceive(Context context, Intent intent) { 93 if (intent.getAction().equals(ImsManager.ACTION_IMS_INCOMING_CALL)) { 94 if (DBG) log("onReceive : incoming call intent"); 95 96 if (mImsManager == null) return; 97 98 if (mServiceId < 0) return; 99 100 try { 101 // Network initiated USSD will be treated by mImsUssdListener 102 boolean isUssd = intent.getBooleanExtra(ImsManager.EXTRA_USSD, false); 103 if (isUssd) { 104 if (DBG) log("onReceive : USSD"); 105 mUssdSession = mImsManager.takeCall(mServiceId, intent, mImsUssdListener); 106 if (mUssdSession != null) { 107 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 108 } 109 return; 110 } 111 112 boolean isUnknown = intent.getBooleanExtra(ImsManager.EXTRA_IS_UNKNOWN_CALL, 113 false); 114 if (DBG) { 115 log("onReceive : isUnknown = " + isUnknown + 116 " fg = " + mForegroundCall.getState() + 117 " bg = " + mBackgroundCall.getState()); 118 } 119 120 // Normal MT/Unknown call 121 ImsCall imsCall = mImsManager.takeCall(mServiceId, intent, mImsCallListener); 122 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone, imsCall, 123 ImsPhoneCallTracker.this, 124 (isUnknown? mForegroundCall: mRingingCall), isUnknown); 125 addConnection(conn); 126 127 setVideoCallProvider(conn, imsCall); 128 129 if (isUnknown) { 130 mPhone.notifyUnknownConnection(conn); 131 } else { 132 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) || 133 (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 134 conn.update(imsCall, ImsPhoneCall.State.WAITING); 135 } 136 137 mPhone.notifyNewRingingConnection(conn); 138 mPhone.notifyIncomingRing(); 139 } 140 141 updatePhoneState(); 142 mPhone.notifyPreciseCallStateChanged(); 143 } catch (ImsException e) { 144 loge("onReceive : exception " + e); 145 } catch (RemoteException e) { 146 } 147 } 148 } 149 }; 150 151 //***** Constants 152 153 static final int MAX_CONNECTIONS = 7; 154 static final int MAX_CONNECTIONS_PER_CALL = 5; 155 156 private static final int EVENT_HANGUP_PENDINGMO = 18; 157 private static final int EVENT_RESUME_BACKGROUND = 19; 158 private static final int EVENT_DIAL_PENDINGMO = 20; 159 160 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 161 162 //***** Instance Variables 163 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 164 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 165 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 166 167 final ImsPhoneCall mRingingCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_RINGING); 168 final ImsPhoneCall mForegroundCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_FOREGROUND); 169 final ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_BACKGROUND); 170 final ImsPhoneCall mHandoverCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_HANDOVER); 171 172 private ImsPhoneConnection mPendingMO; 173 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 174 private Object mSyncHold = new Object(); 175 176 private ImsCall mUssdSession = null; 177 private Message mPendingUssd = null; 178 179 ImsPhone mPhone; 180 181 private boolean mDesiredMute = false; // false = mute off 182 private boolean mOnHoldToneStarted = false; 183 184 PhoneConstants.State mState = PhoneConstants.State.IDLE; 185 186 private ImsManager mImsManager; 187 private int mServiceId = -1; 188 189 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 190 191 private boolean mIsInEmergencyCall = false; 192 193 private int pendingCallClirMode; 194 private int mPendingCallVideoState; 195 private Bundle mPendingIntentExtras; 196 private boolean pendingCallInEcm = false; 197 private boolean mSwitchingFgAndBgCalls = false; 198 private ImsCall mCallExpectedToResume = null; 199 200 //***** Events 201 202 203 //***** Constructors 204 205 ImsPhoneCallTracker(ImsPhone phone) { 206 this.mPhone = phone; 207 208 IntentFilter intentfilter = new IntentFilter(); 209 intentfilter.addAction(ImsManager.ACTION_IMS_INCOMING_CALL); 210 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 211 212 Thread t = new Thread() { 213 public void run() { 214 getImsService(); 215 } 216 }; 217 t.start(); 218 } 219 220 private PendingIntent createIncomingCallPendingIntent() { 221 Intent intent = new Intent(ImsManager.ACTION_IMS_INCOMING_CALL); 222 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 223 return PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 224 PendingIntent.FLAG_UPDATE_CURRENT); 225 } 226 227 private void getImsService() { 228 if (DBG) log("getImsService"); 229 mImsManager = ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()); 230 try { 231 mServiceId = mImsManager.open(ImsServiceClass.MMTEL, 232 createIncomingCallPendingIntent(), 233 mImsConnectionStateListener); 234 235 // Get the ECBM interface and set IMSPhone's listener object for notifications 236 getEcbmInterface().setEcbmStateListener(mPhone.mImsEcbmStateListener); 237 if (mPhone.isInEcm()) { 238 // Call exit ECBM which will invoke onECBMExited 239 mPhone.exitEmergencyCallbackMode(); 240 } 241 int mPreferredTtyMode = Settings.Secure.getInt( 242 mPhone.getContext().getContentResolver(), 243 Settings.Secure.PREFERRED_TTY_MODE, 244 Phone.TTY_MODE_OFF); 245 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, mPreferredTtyMode, null); 246 247 } catch (ImsException e) { 248 loge("getImsService: " + e); 249 //Leave mImsManager as null, then CallStateException will be thrown when dialing 250 mImsManager = null; 251 } 252 } 253 254 public void dispose() { 255 if (DBG) log("dispose"); 256 mRingingCall.dispose(); 257 mBackgroundCall.dispose(); 258 mForegroundCall.dispose(); 259 mHandoverCall.dispose(); 260 261 clearDisconnected(); 262 mPhone.getContext().unregisterReceiver(mReceiver); 263 } 264 265 @Override 266 protected void finalize() { 267 log("ImsPhoneCallTracker finalized"); 268 } 269 270 //***** Instance Methods 271 272 //***** Public Methods 273 @Override 274 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 275 Registrant r = new Registrant(h, what, obj); 276 mVoiceCallStartedRegistrants.add(r); 277 } 278 279 @Override 280 public void unregisterForVoiceCallStarted(Handler h) { 281 mVoiceCallStartedRegistrants.remove(h); 282 } 283 284 @Override 285 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 286 Registrant r = new Registrant(h, what, obj); 287 mVoiceCallEndedRegistrants.add(r); 288 } 289 290 @Override 291 public void unregisterForVoiceCallEnded(Handler h) { 292 mVoiceCallEndedRegistrants.remove(h); 293 } 294 295 Connection 296 dial(String dialString, int videoState, Bundle intentExtras) throws CallStateException { 297 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 298 int oirMode = sp.getInt(PhoneBase.CLIR_KEY, CommandsInterface.CLIR_DEFAULT); 299 return dial(dialString, oirMode, videoState, intentExtras); 300 } 301 302 /** 303 * oirMode is one of the CLIR_ constants 304 */ 305 synchronized Connection 306 dial(String dialString, int clirMode, int videoState, Bundle intentExtras) 307 throws CallStateException { 308 boolean isPhoneInEcmMode = SystemProperties.getBoolean( 309 TelephonyProperties.PROPERTY_INECM_MODE, false); 310 boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString); 311 312 if (DBG) log("dial clirMode=" + clirMode); 313 314 // note that this triggers call state changed notif 315 clearDisconnected(); 316 317 if (mImsManager == null) { 318 throw new CallStateException("service not available"); 319 } 320 321 if (!canDial()) { 322 throw new CallStateException("cannot dial in current state"); 323 } 324 325 if (isPhoneInEcmMode && isEmergencyNumber) { 326 handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER); 327 } 328 329 boolean holdBeforeDial = false; 330 331 // The new call must be assigned to the foreground call. 332 // That call must be idle, so place anything that's 333 // there on hold 334 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 335 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 336 //we should have failed in !canDial() above before we get here 337 throw new CallStateException("cannot dial in current state"); 338 } 339 // foreground call is empty for the newly dialed connection 340 holdBeforeDial = true; 341 // Cache the video state for pending MO call. 342 mPendingCallVideoState = videoState; 343 mPendingIntentExtras = intentExtras; 344 switchWaitingOrHoldingAndActive(); 345 } 346 347 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 348 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 349 350 mClirMode = clirMode; 351 352 synchronized (mSyncHold) { 353 if (holdBeforeDial) { 354 fgState = mForegroundCall.getState(); 355 bgState = mBackgroundCall.getState(); 356 357 //holding foreground call failed 358 if (fgState == ImsPhoneCall.State.ACTIVE) { 359 throw new CallStateException("cannot dial in current state"); 360 } 361 362 //holding foreground call succeeded 363 if (bgState == ImsPhoneCall.State.HOLDING) { 364 holdBeforeDial = false; 365 } 366 } 367 368 mPendingMO = new ImsPhoneConnection(mPhone, 369 checkForTestEmergencyNumber(dialString), this, mForegroundCall); 370 } 371 addConnection(mPendingMO); 372 373 if (!holdBeforeDial) { 374 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 375 dialInternal(mPendingMO, clirMode, videoState, intentExtras); 376 } else { 377 try { 378 getEcbmInterface().exitEmergencyCallbackMode(); 379 } catch (ImsException e) { 380 e.printStackTrace(); 381 throw new CallStateException("service not available"); 382 } 383 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 384 pendingCallClirMode = clirMode; 385 mPendingCallVideoState = videoState; 386 pendingCallInEcm = true; 387 } 388 } 389 390 updatePhoneState(); 391 mPhone.notifyPreciseCallStateChanged(); 392 393 return mPendingMO; 394 } 395 396 private void handleEcmTimer(int action) { 397 mPhone.handleTimerInEmergencyCallbackMode(action); 398 switch (action) { 399 case ImsPhone.CANCEL_ECM_TIMER: 400 break; 401 case ImsPhone.RESTART_ECM_TIMER: 402 break; 403 default: 404 log("handleEcmTimer, unsupported action " + action); 405 } 406 } 407 408 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, 409 Bundle intentExtras) { 410 411 if (conn == null) { 412 return; 413 } 414 415 if (conn.getAddress()== null || conn.getAddress().length() == 0 416 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) { 417 // Phone number is invalid 418 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 419 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 420 return; 421 } 422 423 // Always unmute when initiating a new call 424 setMute(false); 425 int serviceType = PhoneNumberUtils.isEmergencyNumber(conn.getAddress()) ? 426 ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 427 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 428 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 429 conn.setVideoState(videoState); 430 431 try { 432 String[] callees = new String[] { conn.getAddress() }; 433 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 434 serviceType, callType); 435 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 436 437 if (intentExtras != null && 438 intentExtras.containsKey(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) { 439 profile.setCallExtra(ImsCallProfile.EXTRA_DISPLAY_TEXT, 440 intentExtras.getString(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)); 441 } 442 443 ImsCall imsCall = mImsManager.makeCall(mServiceId, profile, 444 callees, mImsCallListener); 445 conn.setImsCall(imsCall); 446 447 setVideoCallProvider(conn, imsCall); 448 } catch (ImsException e) { 449 loge("dialInternal : " + e); 450 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 451 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 452 } catch (RemoteException e) { 453 } 454 } 455 456 /** 457 * Accepts a call with the specified video state. The video state is the video state that the 458 * user has agreed upon in the InCall UI. 459 * 460 * @param videoState The video State 461 * @throws CallStateException 462 */ 463 void acceptCall (int videoState) throws CallStateException { 464 if (DBG) log("acceptCall"); 465 466 if (mForegroundCall.getState().isAlive() 467 && mBackgroundCall.getState().isAlive()) { 468 throw new CallStateException("cannot accept call"); 469 } 470 471 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 472 && mForegroundCall.getState().isAlive()) { 473 setMute(false); 474 // Cache video state for pending MT call. 475 mPendingCallVideoState = videoState; 476 switchWaitingOrHoldingAndActive(); 477 } else if (mRingingCall.getState().isRinging()) { 478 if (DBG) log("acceptCall: incoming..."); 479 // Always unmute when answering a new call 480 setMute(false); 481 try { 482 ImsCall imsCall = mRingingCall.getImsCall(); 483 if (imsCall != null) { 484 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 485 } else { 486 throw new CallStateException("no valid ims call"); 487 } 488 } catch (ImsException e) { 489 throw new CallStateException("cannot accept call"); 490 } 491 } else { 492 throw new CallStateException("phone not ringing"); 493 } 494 } 495 496 void 497 rejectCall () throws CallStateException { 498 if (DBG) log("rejectCall"); 499 500 if (mRingingCall.getState().isRinging()) { 501 hangup(mRingingCall); 502 } else { 503 throw new CallStateException("phone not ringing"); 504 } 505 } 506 507 508 private void switchAfterConferenceSuccess() { 509 if (DBG) log("switchAfterConferenceSuccess fg =" + mForegroundCall.getState() + 510 ", bg = " + mBackgroundCall.getState()); 511 512 if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 513 log("switchAfterConferenceSuccess"); 514 mForegroundCall.switchWith(mBackgroundCall); 515 } 516 } 517 518 void 519 switchWaitingOrHoldingAndActive() throws CallStateException { 520 if (DBG) log("switchWaitingOrHoldingAndActive"); 521 522 if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) { 523 throw new CallStateException("cannot be in the incoming state"); 524 } 525 526 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 527 ImsCall imsCall = mForegroundCall.getImsCall(); 528 if (imsCall == null) { 529 throw new CallStateException("no ims call"); 530 } 531 532 // Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls. 533 // If hold or resume later fails, we will swap them back. 534 mSwitchingFgAndBgCalls = true; 535 mCallExpectedToResume = mBackgroundCall.getImsCall(); 536 mForegroundCall.switchWith(mBackgroundCall); 537 538 // Hold the foreground call; once the foreground call is held, the background call will 539 // be resumed. 540 try { 541 imsCall.hold(); 542 543 // If there is no background call to resume, then don't expect there to be a switch. 544 if (mCallExpectedToResume == null) { 545 mSwitchingFgAndBgCalls = false; 546 } 547 } catch (ImsException e) { 548 mForegroundCall.switchWith(mBackgroundCall); 549 throw new CallStateException(e.getMessage()); 550 } 551 } else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 552 resumeWaitingOrHolding(); 553 } 554 } 555 556 void 557 conference() { 558 if (DBG) log("conference"); 559 560 ImsCall fgImsCall = mForegroundCall.getImsCall(); 561 if (fgImsCall == null) { 562 log("conference no foreground ims call"); 563 return; 564 } 565 566 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 567 if (bgImsCall == null) { 568 log("conference no background ims call"); 569 return; 570 } 571 572 // Keep track of the connect time of the earliest call so that it can be set on the 573 // {@code ImsConference} when it is created. 574 long foregroundConnectTime = mForegroundCall.getEarliestConnectTime(); 575 long backgroundConnectTime = mBackgroundCall.getEarliestConnectTime(); 576 long conferenceConnectTime; 577 if (foregroundConnectTime > 0 && backgroundConnectTime > 0) { 578 conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 579 mBackgroundCall.getEarliestConnectTime()); 580 log("conference - using connect time = " + conferenceConnectTime); 581 } else if (foregroundConnectTime > 0) { 582 log("conference - bg call connect time is 0; using fg = " + foregroundConnectTime); 583 conferenceConnectTime = foregroundConnectTime; 584 } else { 585 log("conference - fg call connect time is 0; using bg = " + backgroundConnectTime); 586 conferenceConnectTime = backgroundConnectTime; 587 } 588 589 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 590 if (foregroundConnection != null) { 591 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 592 } 593 594 try { 595 fgImsCall.merge(bgImsCall); 596 } catch (ImsException e) { 597 log("conference " + e.getMessage()); 598 } 599 } 600 601 void 602 explicitCallTransfer() { 603 //TODO : implement 604 } 605 606 void 607 clearDisconnected() { 608 if (DBG) log("clearDisconnected"); 609 610 internalClearDisconnected(); 611 612 updatePhoneState(); 613 mPhone.notifyPreciseCallStateChanged(); 614 } 615 616 boolean 617 canConference() { 618 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 619 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 620 && !mBackgroundCall.isFull() 621 && !mForegroundCall.isFull(); 622 } 623 624 boolean 625 canDial() { 626 boolean ret; 627 int serviceState = mPhone.getServiceState().getState(); 628 String disableCall = SystemProperties.get( 629 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 630 631 ret = (serviceState != ServiceState.STATE_POWER_OFF) 632 && mPendingMO == null 633 && !mRingingCall.isRinging() 634 && !disableCall.equals("true") 635 && (!mForegroundCall.getState().isAlive() 636 || !mBackgroundCall.getState().isAlive()); 637 638 return ret; 639 } 640 641 boolean 642 canTransfer() { 643 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 644 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 645 } 646 647 //***** Private Instance Methods 648 649 private void 650 internalClearDisconnected() { 651 mRingingCall.clearDisconnected(); 652 mForegroundCall.clearDisconnected(); 653 mBackgroundCall.clearDisconnected(); 654 mHandoverCall.clearDisconnected(); 655 } 656 657 private void 658 updatePhoneState() { 659 PhoneConstants.State oldState = mState; 660 661 if (mRingingCall.isRinging()) { 662 mState = PhoneConstants.State.RINGING; 663 } else if (mPendingMO != null || 664 !(mForegroundCall.isIdle() && mBackgroundCall.isIdle())) { 665 mState = PhoneConstants.State.OFFHOOK; 666 } else { 667 mState = PhoneConstants.State.IDLE; 668 } 669 670 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 671 mVoiceCallEndedRegistrants.notifyRegistrants( 672 new AsyncResult(null, null, null)); 673 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 674 mVoiceCallStartedRegistrants.notifyRegistrants ( 675 new AsyncResult(null, null, null)); 676 } 677 678 if (DBG) log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 679 680 if (mState != oldState) { 681 mPhone.notifyPhoneStateChanged(); 682 } 683 } 684 685 private void 686 handleRadioNotAvailable() { 687 // handlePollCalls will clear out its 688 // call list when it gets the CommandException 689 // error result from this 690 pollCallsWhenSafe(); 691 } 692 693 private void 694 dumpState() { 695 List l; 696 697 log("Phone State:" + mState); 698 699 log("Ringing call: " + mRingingCall.toString()); 700 701 l = mRingingCall.getConnections(); 702 for (int i = 0, s = l.size(); i < s; i++) { 703 log(l.get(i).toString()); 704 } 705 706 log("Foreground call: " + mForegroundCall.toString()); 707 708 l = mForegroundCall.getConnections(); 709 for (int i = 0, s = l.size(); i < s; i++) { 710 log(l.get(i).toString()); 711 } 712 713 log("Background call: " + mBackgroundCall.toString()); 714 715 l = mBackgroundCall.getConnections(); 716 for (int i = 0, s = l.size(); i < s; i++) { 717 log(l.get(i).toString()); 718 } 719 720 } 721 722 //***** Called from ImsPhone 723 724 void setUiTTYMode(int uiTtyMode, Message onComplete) { 725 try { 726 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, uiTtyMode, onComplete); 727 } catch (ImsException e) { 728 loge("setTTYMode : " + e); 729 mPhone.sendErrorResponse(onComplete, e); 730 } 731 } 732 733 /*package*/ void setMute(boolean mute) { 734 mDesiredMute = mute; 735 mForegroundCall.setMute(mute); 736 } 737 738 /*package*/ boolean getMute() { 739 return mDesiredMute; 740 } 741 742 /* package */ void sendDtmf(char c, Message result) { 743 if (DBG) log("sendDtmf"); 744 745 ImsCall imscall = mForegroundCall.getImsCall(); 746 if (imscall != null) { 747 imscall.sendDtmf(c, result); 748 } 749 } 750 751 /*package*/ void 752 startDtmf(char c) { 753 if (DBG) log("startDtmf"); 754 755 ImsCall imscall = mForegroundCall.getImsCall(); 756 if (imscall != null) { 757 imscall.startDtmf(c); 758 } else { 759 loge("startDtmf : no foreground call"); 760 } 761 } 762 763 /*package*/ void 764 stopDtmf() { 765 if (DBG) log("stopDtmf"); 766 767 ImsCall imscall = mForegroundCall.getImsCall(); 768 if (imscall != null) { 769 imscall.stopDtmf(); 770 } else { 771 loge("stopDtmf : no foreground call"); 772 } 773 } 774 775 //***** Called from ImsPhoneConnection 776 777 /*package*/ void 778 hangup (ImsPhoneConnection conn) throws CallStateException { 779 if (DBG) log("hangup connection"); 780 781 if (conn.getOwner() != this) { 782 throw new CallStateException ("ImsPhoneConnection " + conn 783 + "does not belong to ImsPhoneCallTracker " + this); 784 } 785 786 hangup(conn.getCall()); 787 } 788 789 //***** Called from ImsPhoneCall 790 791 /* package */ void 792 hangup (ImsPhoneCall call) throws CallStateException { 793 if (DBG) log("hangup call"); 794 795 if (call.getConnections().size() == 0) { 796 throw new CallStateException("no connections"); 797 } 798 799 ImsCall imsCall = call.getImsCall(); 800 boolean rejectCall = false; 801 802 if (call == mRingingCall) { 803 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 804 rejectCall = true; 805 } else if (call == mForegroundCall) { 806 if (call.isDialingOrAlerting()) { 807 if (Phone.DEBUG_PHONE) { 808 log("(foregnd) hangup dialing or alerting..."); 809 } 810 } else { 811 if (Phone.DEBUG_PHONE) { 812 log("(foregnd) hangup foreground"); 813 } 814 //held call will be resumed by onCallTerminated 815 } 816 } else if (call == mBackgroundCall) { 817 if (Phone.DEBUG_PHONE) { 818 log("(backgnd) hangup waiting or background"); 819 } 820 } else { 821 throw new CallStateException ("ImsPhoneCall " + call + 822 "does not belong to ImsPhoneCallTracker " + this); 823 } 824 825 call.onHangupLocal(); 826 827 try { 828 if (imsCall != null) { 829 if (rejectCall) imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 830 else imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 831 } else if (mPendingMO != null && call == mForegroundCall) { 832 // is holding a foreground call 833 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 834 mPendingMO.onDisconnect(); 835 removeConnection(mPendingMO); 836 mPendingMO = null; 837 updatePhoneState(); 838 removeMessages(EVENT_DIAL_PENDINGMO); 839 } 840 } catch (ImsException e) { 841 throw new CallStateException(e.getMessage()); 842 } 843 844 mPhone.notifyPreciseCallStateChanged(); 845 } 846 847 void callEndCleanupHandOverCallIfAny() { 848 if (mHandoverCall.mConnections.size() > 0) { 849 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 850 + mHandoverCall.mConnections); 851 mHandoverCall.mConnections.clear(); 852 mState = PhoneConstants.State.IDLE; 853 } 854 } 855 856 /* package */ 857 void resumeWaitingOrHolding() throws CallStateException { 858 if (DBG) log("resumeWaitingOrHolding"); 859 860 try { 861 if (mForegroundCall.getState().isAlive()) { 862 //resume foreground call after holding background call 863 //they were switched before holding 864 ImsCall imsCall = mForegroundCall.getImsCall(); 865 if (imsCall != null) imsCall.resume(); 866 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 867 //accept waiting call after holding background call 868 ImsCall imsCall = mRingingCall.getImsCall(); 869 if (imsCall != null) { 870 imsCall.accept( 871 ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState)); 872 } 873 } else { 874 //Just resume background call. 875 //To distinguish resuming call with swapping calls 876 //we do not switch calls.here 877 //ImsPhoneConnection.update will chnage the parent when completed 878 ImsCall imsCall = mBackgroundCall.getImsCall(); 879 if (imsCall != null) imsCall.resume(); 880 } 881 } catch (ImsException e) { 882 throw new CallStateException(e.getMessage()); 883 } 884 } 885 886 /* package */ 887 void sendUSSD (String ussdString, Message response) { 888 if (DBG) log("sendUSSD"); 889 890 try { 891 if (mUssdSession != null) { 892 mUssdSession.sendUssd(ussdString); 893 AsyncResult.forMessage(response, null, null); 894 response.sendToTarget(); 895 return; 896 } 897 898 String[] callees = new String[] { ussdString }; 899 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 900 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 901 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 902 ImsCallProfile.DIALSTRING_USSD); 903 904 mUssdSession = mImsManager.makeCall(mServiceId, profile, 905 callees, mImsUssdListener); 906 } catch (ImsException e) { 907 loge("sendUSSD : " + e); 908 mPhone.sendErrorResponse(response, e); 909 } 910 } 911 912 /* package */ 913 void cancelUSSD() { 914 if (mUssdSession == null) return; 915 916 try { 917 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 918 } catch (ImsException e) { 919 } 920 921 } 922 923 private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) { 924 for (ImsPhoneConnection conn : mConnections) { 925 if (conn.getImsCall() == imsCall) { 926 return conn; 927 } 928 } 929 return null; 930 } 931 932 private synchronized void removeConnection(ImsPhoneConnection conn) { 933 mConnections.remove(conn); 934 } 935 936 private synchronized void addConnection(ImsPhoneConnection conn) { 937 mConnections.add(conn); 938 } 939 940 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 941 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 942 // This method is called on onCallUpdate() where there is not necessarily a call state 943 // change. In these situations, we'll ignore the state related updates and only process 944 // the change in media capabilities (as expected). The default is to not ignore state 945 // changes so we do not change existing behavior. 946 processCallStateChange(imsCall, state, cause, false /* do not ignore state update */); 947 } 948 949 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause, 950 boolean ignoreState) { 951 if (DBG) { 952 log("processCallStateChange state=" + state + " cause=" + cause 953 + " ignoreState=" + ignoreState); 954 } 955 956 if (imsCall == null) return; 957 958 boolean changed = false; 959 ImsPhoneConnection conn = findConnection(imsCall); 960 961 if (conn == null) { 962 // TODO : what should be done? 963 return; 964 } 965 966 // processCallStateChange is triggered for onCallUpdated as well. 967 // onCallUpdated should not modify the state of the call 968 // It should modify only other capabilities of call through updateMediaCapabilities 969 // State updates will be triggered through individual callbacks 970 // i.e. onCallHeld, onCallResume, etc and conn.update will be responsible for the update 971 if (ignoreState) { 972 conn.updateMediaCapabilities(imsCall); 973 return; 974 } 975 976 changed = conn.update(imsCall, state); 977 if (state == ImsPhoneCall.State.DISCONNECTED) { 978 changed = conn.onDisconnect(cause) || changed; 979 //detach the disconnected connections 980 conn.getCall().detach(conn); 981 removeConnection(conn); 982 } 983 984 if (changed) { 985 if (conn.getCall() == mHandoverCall) return; 986 updatePhoneState(); 987 mPhone.notifyPreciseCallStateChanged(); 988 } 989 } 990 991 private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 992 int cause = DisconnectCause.ERROR_UNSPECIFIED; 993 994 //int type = reasonInfo.getReasonType(); 995 int code = reasonInfo.getCode(); 996 switch (code) { 997 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 998 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 999 return DisconnectCause.NUMBER_UNREACHABLE; 1000 1001 case ImsReasonInfo.CODE_SIP_BUSY: 1002 return DisconnectCause.BUSY; 1003 1004 case ImsReasonInfo.CODE_USER_TERMINATED: 1005 return DisconnectCause.LOCAL; 1006 1007 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 1008 return DisconnectCause.INCOMING_REJECTED; 1009 1010 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 1011 return DisconnectCause.NORMAL; 1012 1013 case ImsReasonInfo.CODE_SIP_REDIRECTED: 1014 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 1015 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 1016 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 1017 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 1018 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 1019 return DisconnectCause.SERVER_ERROR; 1020 1021 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 1022 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 1023 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 1024 return DisconnectCause.SERVER_UNREACHABLE; 1025 1026 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 1027 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 1028 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 1029 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 1030 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 1031 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 1032 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 1033 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 1034 return DisconnectCause.OUT_OF_SERVICE; 1035 1036 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 1037 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 1038 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 1039 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 1040 return DisconnectCause.TIMED_OUT; 1041 1042 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 1043 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 1044 return DisconnectCause.POWER_OFF; 1045 1046 case ImsReasonInfo.CODE_FDN_BLOCKED: 1047 return DisconnectCause.FDN_BLOCKED; 1048 default: 1049 } 1050 1051 return cause; 1052 } 1053 1054 /** 1055 * Listen to the IMS call state change 1056 */ 1057 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 1058 @Override 1059 public void onCallProgressing(ImsCall imsCall) { 1060 if (DBG) log("onCallProgressing"); 1061 1062 mPendingMO = null; 1063 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 1064 DisconnectCause.NOT_DISCONNECTED); 1065 } 1066 1067 @Override 1068 public void onCallStarted(ImsCall imsCall) { 1069 if (DBG) log("onCallStarted"); 1070 1071 mPendingMO = null; 1072 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1073 DisconnectCause.NOT_DISCONNECTED); 1074 } 1075 1076 @Override 1077 public void onCallUpdated(ImsCall imsCall) { 1078 if (DBG) log("onCallUpdated"); 1079 if (imsCall == null) { 1080 return; 1081 } 1082 ImsPhoneConnection conn = findConnection(imsCall); 1083 if (conn != null) { 1084 processCallStateChange(imsCall, conn.getCall().mState, 1085 DisconnectCause.NOT_DISCONNECTED, true /*ignore state update*/); 1086 } 1087 } 1088 1089 /** 1090 * onCallStartFailed will be invoked when: 1091 * case 1) Dialing fails 1092 * case 2) Ringing call is disconnected by local or remote user 1093 */ 1094 @Override 1095 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1096 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1097 1098 if (mPendingMO != null) { 1099 // To initiate dialing circuit-switched call 1100 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 1101 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 1102 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 1103 mForegroundCall.detach(mPendingMO); 1104 removeConnection(mPendingMO); 1105 mPendingMO.finalize(); 1106 mPendingMO = null; 1107 mPhone.initiateSilentRedial(); 1108 return; 1109 } else { 1110 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1111 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1112 } 1113 mPendingMO = null; 1114 } 1115 } 1116 1117 @Override 1118 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1119 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 1120 1121 ImsPhoneCall.State oldState = mForegroundCall.getState(); 1122 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1123 ImsPhoneConnection conn = findConnection(imsCall); 1124 if (DBG) log("cause = " + cause + " conn = " + conn); 1125 1126 if (conn != null && conn.isIncoming() && conn.getConnectTime() == 0) { 1127 // Missed 1128 if (cause == DisconnectCause.NORMAL) { 1129 cause = DisconnectCause.INCOMING_MISSED; 1130 } else { 1131 cause = DisconnectCause.INCOMING_REJECTED; 1132 } 1133 if (DBG) log("Incoming connection of 0 connect time detected - translated cause = " 1134 + cause); 1135 1136 } 1137 1138 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 1139 // Call was terminated while it is merged instead of a remote disconnect. 1140 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 1141 } 1142 1143 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1144 if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) { 1145 if (mRingingCall.getState().isRinging()) { 1146 // Drop pending MO. We should address incoming call first 1147 mPendingMO = null; 1148 } else if (mPendingMO != null) { 1149 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1150 } 1151 } 1152 } 1153 1154 @Override 1155 public void onCallHeld(ImsCall imsCall) { 1156 if (DBG) { 1157 if (mForegroundCall.getImsCall() == imsCall) { 1158 log("onCallHeld (fg) " + imsCall); 1159 } else if (mBackgroundCall.getImsCall() == imsCall) { 1160 log("onCallHeld (bg) " + imsCall); 1161 } 1162 } 1163 1164 synchronized (mSyncHold) { 1165 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 1166 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 1167 DisconnectCause.NOT_DISCONNECTED); 1168 1169 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 1170 // processCallStateChange above may have caused the mBackgroundCall and 1171 // mForegroundCall references below to change meaning. Watch out for this if you 1172 // are reading through this code. 1173 if (oldState == ImsPhoneCall.State.ACTIVE) { 1174 // Note: This case comes up when we have just held a call in response to a 1175 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 1176 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 1177 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 1178 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 1179 1180 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 1181 } else { 1182 //when multiple connections belong to background call, 1183 //only the first callback reaches here 1184 //otherwise the oldState is already HOLDING 1185 if (mPendingMO != null) { 1186 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1187 } 1188 1189 // In this case there will be no call resumed, so we can assume that we 1190 // are done switching fg and bg calls now. 1191 // This may happen if there is no BG call and we are holding a call so that 1192 // we can dial another one. 1193 mSwitchingFgAndBgCalls = false; 1194 } 1195 } 1196 } 1197 } 1198 1199 @Override 1200 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1201 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 1202 1203 synchronized (mSyncHold) { 1204 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 1205 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 1206 // disconnected while processing hold 1207 if (mPendingMO != null) { 1208 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1209 } 1210 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 1211 mForegroundCall.switchWith(mBackgroundCall); 1212 1213 if (mPendingMO != null) { 1214 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1215 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1216 } 1217 } 1218 } 1219 } 1220 1221 @Override 1222 public void onCallResumed(ImsCall imsCall) { 1223 if (DBG) log("onCallResumed"); 1224 1225 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 1226 // is not the one we expected, we likely had a resume failure and we need to swap the 1227 // FG and BG calls back. 1228 if (mSwitchingFgAndBgCalls && imsCall != mCallExpectedToResume) { 1229 if (DBG) { 1230 log("onCallResumed : switching " + mForegroundCall + " with " 1231 + mBackgroundCall); 1232 } 1233 mForegroundCall.switchWith(mBackgroundCall); 1234 mSwitchingFgAndBgCalls = false; 1235 mCallExpectedToResume = null; 1236 } 1237 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1238 DisconnectCause.NOT_DISCONNECTED); 1239 } 1240 1241 @Override 1242 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1243 // If we are in the midst of swapping the FG and BG calls and we got a resume fail, we 1244 // need to swap back the FG and BG calls. 1245 if (mSwitchingFgAndBgCalls && imsCall == mCallExpectedToResume) { 1246 if (DBG) { 1247 log("onCallResumeFailed : switching " + mForegroundCall + " with " 1248 + mBackgroundCall); 1249 } 1250 mForegroundCall.switchWith(mBackgroundCall); 1251 mCallExpectedToResume = null; 1252 mSwitchingFgAndBgCalls = false; 1253 } 1254 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 1255 } 1256 1257 @Override 1258 public void onCallResumeReceived(ImsCall imsCall) { 1259 if (DBG) log("onCallResumeReceived"); 1260 1261 if (mOnHoldToneStarted) { 1262 mPhone.stopOnHoldTone(); 1263 mOnHoldToneStarted = false; 1264 } 1265 1266 SuppServiceNotification supp = new SuppServiceNotification(); 1267 // Type of notification: 0 = MO; 1 = MT 1268 // Refer SuppServiceNotification class documentation. 1269 supp.notificationType = 1; 1270 supp.code = SuppServiceNotification.MT_CODE_CALL_RETRIEVED; 1271 mPhone.notifySuppSvcNotification(supp); 1272 } 1273 1274 @Override 1275 public void onCallHoldReceived(ImsCall imsCall) { 1276 if (DBG) log("onCallHoldReceived"); 1277 1278 ImsPhoneConnection conn = findConnection(imsCall); 1279 if (conn != null && conn.getState() == ImsPhoneCall.State.ACTIVE) { 1280 if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall)) { 1281 mPhone.startOnHoldTone(); 1282 mOnHoldToneStarted = true; 1283 } 1284 } 1285 1286 SuppServiceNotification supp = new SuppServiceNotification(); 1287 // Type of notification: 0 = MO; 1 = MT 1288 // Refer SuppServiceNotification class documentation. 1289 supp.notificationType = 1; 1290 supp.code = SuppServiceNotification.MT_CODE_CALL_ON_HOLD; 1291 mPhone.notifySuppSvcNotification(supp); 1292 } 1293 1294 @Override 1295 public void onCallSuppServiceReceived(ImsCall call, 1296 ImsSuppServiceNotification suppServiceInfo) { 1297 if (DBG) log("onCallSuppServiceReceived: suppServiceInfo=" + suppServiceInfo); 1298 1299 SuppServiceNotification supp = new SuppServiceNotification(); 1300 supp.notificationType = suppServiceInfo.notificationType; 1301 supp.code = suppServiceInfo.code; 1302 supp.index = suppServiceInfo.index; 1303 supp.number = suppServiceInfo.number; 1304 supp.history = suppServiceInfo.history; 1305 1306 mPhone.notifySuppSvcNotification(supp); 1307 } 1308 1309 @Override 1310 public void onCallMerged(final ImsCall call, final ImsCall peerCall, boolean swapCalls) { 1311 if (DBG) log("onCallMerged"); 1312 1313 ImsPhoneCall foregroundImsPhoneCall = findConnection(call).getCall(); 1314 ImsPhoneConnection peerConnection = findConnection(peerCall); 1315 ImsPhoneCall peerImsPhoneCall = peerConnection == null ? null 1316 : peerConnection.getCall(); 1317 1318 if (swapCalls) { 1319 switchAfterConferenceSuccess(); 1320 } 1321 foregroundImsPhoneCall.merge(peerImsPhoneCall, ImsPhoneCall.State.ACTIVE); 1322 1323 // TODO Temporary code. Remove the try-catch block from the runnable once thread 1324 // synchronization is fixed. 1325 Runnable r = new Runnable() { 1326 @Override 1327 public void run() { 1328 try { 1329 final ImsPhoneConnection conn = findConnection(call); 1330 log("onCallMerged: ImsPhoneConnection=" + conn); 1331 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 1332 setVideoCallProvider(conn, call); 1333 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 1334 } catch (Exception e) { 1335 loge("onCallMerged: exception " + e); 1336 } 1337 } 1338 }; 1339 1340 ImsPhoneCallTracker.this.post(r); 1341 1342 // After merge complete, update foreground as Active 1343 // and background call as Held, if background call exists 1344 processCallStateChange(mForegroundCall.getImsCall(), ImsPhoneCall.State.ACTIVE, 1345 DisconnectCause.NOT_DISCONNECTED); 1346 if (peerConnection != null) { 1347 processCallStateChange(mBackgroundCall.getImsCall(), ImsPhoneCall.State.HOLDING, 1348 DisconnectCause.NOT_DISCONNECTED); 1349 } 1350 1351 // Check if the merge was requested by an existing conference call. In that 1352 // case, no further action is required. 1353 if (!call.isMergeRequestedByConf()) { 1354 log("onCallMerged :: calling onMultipartyStateChanged()"); 1355 onMultipartyStateChanged(call, true); 1356 } else { 1357 log("onCallMerged :: Merge requested by existing conference."); 1358 // Reset the flag. 1359 call.resetIsMergeRequestedByConf(false); 1360 } 1361 logState(); 1362 } 1363 1364 @Override 1365 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 1366 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 1367 1368 // TODO: the call to notifySuppServiceFailed throws up the "merge failed" dialog 1369 // We should move this into the InCallService so that it is handled appropriately 1370 // based on the user facing UI. 1371 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 1372 1373 // Start plumbing this even through Telecom so other components can take 1374 // appropriate action. 1375 ImsPhoneConnection conn = findConnection(call); 1376 if (conn != null) { 1377 conn.onConferenceMergeFailed(); 1378 } 1379 } 1380 1381 /** 1382 * Called when the state of IMS conference participant(s) has changed. 1383 * 1384 * @param call the call object that carries out the IMS call. 1385 * @param participants the participant(s) and their new state information. 1386 */ 1387 @Override 1388 public void onConferenceParticipantsStateChanged(ImsCall call, 1389 List<ConferenceParticipant> participants) { 1390 if (DBG) log("onConferenceParticipantsStateChanged"); 1391 1392 ImsPhoneConnection conn = findConnection(call); 1393 if (conn != null) { 1394 conn.updateConferenceParticipants(participants); 1395 } 1396 } 1397 1398 @Override 1399 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 1400 mPhone.onTtyModeReceived(mode); 1401 } 1402 1403 @Override 1404 public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 1405 ImsReasonInfo reasonInfo) { 1406 if (DBG) { 1407 log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" + 1408 targetAccessTech + ", reasonInfo=" + reasonInfo); 1409 } 1410 } 1411 1412 @Override 1413 public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 1414 ImsReasonInfo reasonInfo) { 1415 if (DBG) { 1416 log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech + 1417 ", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo); 1418 } 1419 } 1420 1421 /** 1422 * Handles a change to the multiparty state for an {@code ImsCall}. Notifies the associated 1423 * {@link ImsPhoneConnection} of the change. 1424 * 1425 * @param imsCall The IMS call. 1426 * @param isMultiParty {@code true} if the call became multiparty, {@code false} 1427 * otherwise. 1428 */ 1429 @Override 1430 public void onMultipartyStateChanged(ImsCall imsCall, boolean isMultiParty) { 1431 if (DBG) log("onMultipartyStateChanged to " + (isMultiParty ? "Y" : "N")); 1432 1433 ImsPhoneConnection conn = findConnection(imsCall); 1434 if (conn != null) { 1435 conn.updateMultipartyState(isMultiParty); 1436 } 1437 } 1438 }; 1439 1440 /** 1441 * Listen to the IMS call state change 1442 */ 1443 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 1444 @Override 1445 public void onCallStarted(ImsCall imsCall) { 1446 if (DBG) log("mImsUssdListener onCallStarted"); 1447 1448 if (imsCall == mUssdSession) { 1449 if (mPendingUssd != null) { 1450 AsyncResult.forMessage(mPendingUssd); 1451 mPendingUssd.sendToTarget(); 1452 mPendingUssd = null; 1453 } 1454 } 1455 } 1456 1457 @Override 1458 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1459 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1460 1461 onCallTerminated(imsCall, reasonInfo); 1462 } 1463 1464 @Override 1465 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1466 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 1467 1468 if (imsCall == mUssdSession) { 1469 mUssdSession = null; 1470 if (mPendingUssd != null) { 1471 CommandException ex = 1472 new CommandException(CommandException.Error.GENERIC_FAILURE); 1473 AsyncResult.forMessage(mPendingUssd, null, ex); 1474 mPendingUssd.sendToTarget(); 1475 mPendingUssd = null; 1476 } 1477 } 1478 imsCall.close(); 1479 } 1480 1481 @Override 1482 public void onCallUssdMessageReceived(ImsCall call, 1483 int mode, String ussdMessage) { 1484 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 1485 1486 int ussdMode = -1; 1487 1488 switch(mode) { 1489 case ImsCall.USSD_MODE_REQUEST: 1490 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 1491 break; 1492 1493 case ImsCall.USSD_MODE_NOTIFY: 1494 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 1495 break; 1496 } 1497 1498 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 1499 } 1500 }; 1501 1502 /** 1503 * Listen to the IMS service state change 1504 * 1505 */ 1506 private ImsConnectionStateListener mImsConnectionStateListener = 1507 new ImsConnectionStateListener() { 1508 @Override 1509 public void onImsConnected() { 1510 if (DBG) log("onImsConnected"); 1511 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1512 mPhone.setImsRegistered(true); 1513 } 1514 1515 @Override 1516 public void onImsDisconnected(ImsReasonInfo imsReasonInfo) { 1517 if (DBG) log("onImsDisconnected imsReasonInfo=" + imsReasonInfo); 1518 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1519 mPhone.setImsRegistered(false); 1520 mPhone.processDisconnectReason(imsReasonInfo); 1521 } 1522 1523 @Override 1524 public void onImsProgressing() { 1525 if (DBG) log("onImsProgressing"); 1526 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1527 mPhone.setImsRegistered(false); 1528 } 1529 1530 @Override 1531 public void onImsResumed() { 1532 if (DBG) log("onImsResumed"); 1533 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1534 } 1535 1536 @Override 1537 public void onImsSuspended() { 1538 if (DBG) log("onImsSuspended"); 1539 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1540 } 1541 1542 @Override 1543 public void onFeatureCapabilityChanged(int serviceClass, 1544 int[] enabledFeatures, int[] disabledFeatures) { 1545 if (serviceClass == ImsServiceClass.MMTEL) { 1546 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 1547 // Check enabledFeatures to determine capabilities. We ignore disabledFeatures. 1548 for (int i = ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE; 1549 i <= ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI; i++) { 1550 if (enabledFeatures[i] == i) { 1551 // If the feature is set to its own integer value it is enabled. 1552 if (DBG) log("onFeatureCapabilityChanged(" + i + ", " + mImsFeatureStrings[i] + "): value=true"); 1553 mImsFeatureEnabled[i] = true; 1554 } else if (enabledFeatures[i] 1555 == ImsConfig.FeatureConstants.FEATURE_TYPE_UNKNOWN) { 1556 // FEATURE_TYPE_UNKNOWN indicates that a feature is disabled. 1557 if (DBG) log("onFeatureCapabilityChanged(" + i + ", " + mImsFeatureStrings[i] + "): value=false"); 1558 mImsFeatureEnabled[i] = false; 1559 } else { 1560 // Feature has unknown state; it is not its own value or -1. 1561 if (DBG) { 1562 loge("onFeatureCapabilityChanged(" + i + ", " +mImsFeatureStrings[i] + "): unexpectedValue=" 1563 + enabledFeatures[i]); 1564 } 1565 } 1566 } 1567 if (tmpIsVideoCallEnabled != isVideoCallEnabled()) { 1568 mPhone.notifyForVideoCapabilityChanged(isVideoCallEnabled()); 1569 } 1570 1571 // TODO: Use the ImsCallSession or ImsCallProfile to tell the initial Wifi state and 1572 // {@link ImsCallSession.Listener#callSessionHandover} to listen for changes to 1573 // wifi capability caused by a handover. 1574 if (DBG) log("onFeatureCapabilityChanged: isVolteEnabled=" + isVolteEnabled() 1575 + ", isVideoCallEnabled=" + isVideoCallEnabled() 1576 + ", isVowifiEnabled=" + isVowifiEnabled() 1577 + ", isUtEnabled=" + isUtEnabled()); 1578 for (ImsPhoneConnection connection : mConnections) { 1579 connection.updateWifiState(); 1580 } 1581 1582 mPhone.onFeatureCapabilityChanged(); 1583 } 1584 } 1585 1586 @Override 1587 public void onVoiceMessageCountChanged(int count) { 1588 if (DBG) log("onVoiceMessageCountChanged :: count=" + count); 1589 mPhone.mDefaultPhone.setVoiceMessageCount(count); 1590 } 1591 }; 1592 1593 /* package */ 1594 ImsUtInterface getUtInterface() throws ImsException { 1595 if (mImsManager == null) { 1596 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1597 } 1598 1599 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(mServiceId); 1600 return ut; 1601 } 1602 1603 private void transferHandoverConnections(ImsPhoneCall call) { 1604 if (call.mConnections != null) { 1605 for (Connection c : call.mConnections) { 1606 c.mPreHandoverState = call.mState; 1607 log ("Connection state before handover is " + c.getStateBeforeHandover()); 1608 } 1609 } 1610 if (mHandoverCall.mConnections == null ) { 1611 mHandoverCall.mConnections = call.mConnections; 1612 } else { // Multi-call SRVCC 1613 mHandoverCall.mConnections.addAll(call.mConnections); 1614 } 1615 if (mHandoverCall.mConnections != null) { 1616 if (call.getImsCall() != null) { 1617 call.getImsCall().close(); 1618 } 1619 for (Connection c : mHandoverCall.mConnections) { 1620 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 1621 ((ImsPhoneConnection)c).releaseWakeLock(); 1622 } 1623 } 1624 if (call.getState().isAlive()) { 1625 log ("Call is alive and state is " + call.mState); 1626 mHandoverCall.mState = call.mState; 1627 } 1628 call.mConnections.clear(); 1629 call.mState = ImsPhoneCall.State.IDLE; 1630 } 1631 1632 /* package */ 1633 void notifySrvccState(Call.SrvccState state) { 1634 if (DBG) log("notifySrvccState state=" + state); 1635 1636 mSrvccState = state; 1637 1638 if (mSrvccState == Call.SrvccState.COMPLETED) { 1639 transferHandoverConnections(mForegroundCall); 1640 transferHandoverConnections(mBackgroundCall); 1641 transferHandoverConnections(mRingingCall); 1642 } 1643 } 1644 1645 //****** Overridden from Handler 1646 1647 @Override 1648 public void 1649 handleMessage (Message msg) { 1650 AsyncResult ar; 1651 if (DBG) log("handleMessage what=" + msg.what); 1652 1653 switch (msg.what) { 1654 case EVENT_HANGUP_PENDINGMO: 1655 if (mPendingMO != null) { 1656 mPendingMO.onDisconnect(); 1657 removeConnection(mPendingMO); 1658 mPendingMO = null; 1659 } 1660 mPendingIntentExtras = null; 1661 updatePhoneState(); 1662 mPhone.notifyPreciseCallStateChanged(); 1663 break; 1664 case EVENT_RESUME_BACKGROUND: 1665 try { 1666 resumeWaitingOrHolding(); 1667 } catch (CallStateException e) { 1668 if (Phone.DEBUG_PHONE) { 1669 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 1670 } 1671 } 1672 break; 1673 case EVENT_DIAL_PENDINGMO: 1674 dialInternal(mPendingMO, mClirMode, mPendingCallVideoState, mPendingIntentExtras); 1675 mPendingIntentExtras = null; 1676 break; 1677 1678 case EVENT_EXIT_ECM_RESPONSE_CDMA: 1679 // no matter the result, we still do the same here 1680 if (pendingCallInEcm) { 1681 dialInternal(mPendingMO, pendingCallClirMode, 1682 mPendingCallVideoState, mPendingIntentExtras); 1683 mPendingIntentExtras = null; 1684 pendingCallInEcm = false; 1685 } 1686 mPhone.unsetOnEcbModeExitResponse(this); 1687 break; 1688 } 1689 } 1690 1691 @Override 1692 protected void log(String msg) { 1693 Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1694 } 1695 1696 protected void loge(String msg) { 1697 Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1698 } 1699 1700 /** 1701 * Logs the current state of the ImsPhoneCallTracker. Useful for debugging issues with 1702 * call tracking. 1703 */ 1704 /* package */ 1705 void logState() { 1706 if (!VERBOSE_STATE_LOGGING) { 1707 return; 1708 } 1709 1710 StringBuilder sb = new StringBuilder(); 1711 sb.append("Current IMS PhoneCall State:\n"); 1712 sb.append(" Foreground: "); 1713 sb.append(mForegroundCall); 1714 sb.append("\n"); 1715 sb.append(" Background: "); 1716 sb.append(mBackgroundCall); 1717 sb.append("\n"); 1718 sb.append(" Ringing: "); 1719 sb.append(mRingingCall); 1720 sb.append("\n"); 1721 sb.append(" Handover: "); 1722 sb.append(mHandoverCall); 1723 sb.append("\n"); 1724 Rlog.v(LOG_TAG, sb.toString()); 1725 } 1726 1727 @Override 1728 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1729 pw.println("ImsPhoneCallTracker extends:"); 1730 super.dump(fd, pw, args); 1731 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 1732 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 1733 pw.println(" mRingingCall=" + mRingingCall); 1734 pw.println(" mForegroundCall=" + mForegroundCall); 1735 pw.println(" mBackgroundCall=" + mBackgroundCall); 1736 pw.println(" mHandoverCall=" + mHandoverCall); 1737 pw.println(" mPendingMO=" + mPendingMO); 1738 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 1739 pw.println(" mPhone=" + mPhone); 1740 pw.println(" mDesiredMute=" + mDesiredMute); 1741 pw.println(" mState=" + mState); 1742 } 1743 1744 @Override 1745 protected void handlePollCalls(AsyncResult ar) { 1746 } 1747 1748 /* package */ 1749 ImsEcbm getEcbmInterface() throws ImsException { 1750 if (mImsManager == null) { 1751 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1752 } 1753 1754 ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId); 1755 return ecbm; 1756 } 1757 1758 public boolean isInEmergencyCall() { 1759 return mIsInEmergencyCall; 1760 } 1761 1762 public boolean isVolteEnabled() { 1763 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE]; 1764 } 1765 1766 public boolean isVowifiEnabled() { 1767 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_WIFI]; 1768 } 1769 1770 public boolean isVideoCallEnabled() { 1771 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] 1772 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_WIFI]); 1773 } 1774 1775 @Override 1776 public PhoneConstants.State getState() { 1777 return mState; 1778 } 1779 1780 private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) 1781 throws RemoteException { 1782 IImsVideoCallProvider imsVideoCallProvider = 1783 imsCall.getCallSession().getVideoCallProvider(); 1784 if (imsVideoCallProvider != null) { 1785 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 1786 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 1787 conn.setVideoProvider(imsVideoCallProviderWrapper); 1788 } 1789 } 1790 1791 public boolean isUtEnabled() { 1792 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_LTE] 1793 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI]); 1794 } 1795} 1796