ImsPhoneCallTracker.java revision c7c2aff39afb425b34ea6cc17d172cc28f5ab4f0
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.Handler; 32import android.os.Message; 33import android.os.Registrant; 34import android.os.RegistrantList; 35import android.os.RemoteException; 36import android.os.SystemProperties; 37import android.provider.Settings; 38import android.preference.PreferenceManager; 39import android.telecom.ConferenceParticipant; 40import android.telecom.VideoProfile; 41import android.telephony.DisconnectCause; 42import android.telephony.PhoneNumberUtils; 43import android.telephony.Rlog; 44import android.telephony.ServiceState; 45 46import com.android.ims.ImsCall; 47import com.android.ims.ImsCallProfile; 48import com.android.ims.ImsConfig; 49import com.android.ims.ImsConnectionStateListener; 50import com.android.ims.ImsEcbm; 51import com.android.ims.ImsException; 52import com.android.ims.ImsManager; 53import com.android.ims.ImsReasonInfo; 54import com.android.ims.ImsServiceClass; 55import com.android.ims.ImsUtInterface; 56import com.android.ims.internal.IImsVideoCallProvider; 57import com.android.ims.internal.ImsVideoCallProviderWrapper; 58import com.android.internal.telephony.Call; 59import com.android.internal.telephony.CallStateException; 60import com.android.internal.telephony.CallTracker; 61import com.android.internal.telephony.CommandException; 62import com.android.internal.telephony.CommandsInterface; 63import com.android.internal.telephony.Connection; 64import com.android.internal.telephony.Phone; 65import com.android.internal.telephony.PhoneBase; 66import com.android.internal.telephony.PhoneConstants; 67import com.android.internal.telephony.TelephonyProperties; 68 69/** 70 * {@hide} 71 */ 72public final class ImsPhoneCallTracker extends CallTracker { 73 static final String LOG_TAG = "ImsPhoneCallTracker"; 74 75 private static final boolean DBG = true; 76 77 private boolean mIsVolteEnabled = false; 78 private boolean mIsVtEnabled = false; 79 80 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 81 @Override 82 public void onReceive(Context context, Intent intent) { 83 if (intent.getAction().equals(ImsManager.ACTION_IMS_INCOMING_CALL)) { 84 if (DBG) log("onReceive : incoming call intent"); 85 86 if (mImsManager == null) return; 87 88 if (mServiceId < 0) return; 89 90 try { 91 // Network initiated USSD will be treated by mImsUssdListener 92 boolean isUssd = intent.getBooleanExtra(ImsManager.EXTRA_USSD, false); 93 if (isUssd) { 94 if (DBG) log("onReceive : USSD"); 95 mUssdSession = mImsManager.takeCall(mServiceId, intent, mImsUssdListener); 96 if (mUssdSession != null) { 97 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 98 } 99 return; 100 } 101 102 // Normal MT call 103 ImsCall imsCall = mImsManager.takeCall(mServiceId, intent, mImsCallListener); 104 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone.getContext(), imsCall, 105 ImsPhoneCallTracker.this, mRingingCall); 106 addConnection(conn); 107 108 IImsVideoCallProvider imsVideoCallProvider = 109 imsCall.getCallSession().getVideoCallProvider(); 110 if (imsVideoCallProvider != null) { 111 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 112 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 113 conn.setVideoProvider(imsVideoCallProviderWrapper); 114 } 115 116 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) || 117 (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 118 conn.update(imsCall, ImsPhoneCall.State.WAITING); 119 } 120 121 mPhone.notifyNewRingingConnection(conn); 122 mPhone.notifyIncomingRing(); 123 124 updatePhoneState(); 125 mPhone.notifyPreciseCallStateChanged(); 126 } catch (ImsException e) { 127 loge("onReceive : exception " + e); 128 } catch (RemoteException e) { 129 } 130 } 131 } 132 }; 133 134 //***** Constants 135 136 static final int MAX_CONNECTIONS = 7; 137 static final int MAX_CONNECTIONS_PER_CALL = 5; 138 139 private static final int EVENT_HANGUP_PENDINGMO = 18; 140 private static final int EVENT_RESUME_BACKGROUND = 19; 141 private static final int EVENT_DIAL_PENDINGMO = 20; 142 143 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 144 145 //***** Instance Variables 146 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 147 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 148 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 149 150 ImsPhoneCall mRingingCall = new ImsPhoneCall(this); 151 ImsPhoneCall mForegroundCall = new ImsPhoneCall(this); 152 ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this); 153 ImsPhoneCall mHandoverCall = new ImsPhoneCall(this); 154 155 private ImsPhoneConnection mPendingMO; 156 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 157 private Object mSyncHold = new Object(); 158 159 private ImsCall mUssdSession = null; 160 private Message mPendingUssd = null; 161 162 ImsPhone mPhone; 163 164 private boolean mDesiredMute = false; // false = mute off 165 private boolean mOnHoldToneStarted = false; 166 167 PhoneConstants.State mState = PhoneConstants.State.IDLE; 168 169 private ImsManager mImsManager; 170 private int mServiceId = -1; 171 172 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 173 174 private boolean mIsInEmergencyCall = false; 175 176 private int pendingCallClirMode; 177 private int pendingCallVideoState; 178 private boolean pendingCallInEcm = false; 179 private boolean mSwitchingFgAndBgCalls = false; 180 private ImsCall mCallExpectedToResume = null; 181 182 //***** Events 183 184 185 //***** Constructors 186 187 ImsPhoneCallTracker(ImsPhone phone) { 188 this.mPhone = phone; 189 190 IntentFilter intentfilter = new IntentFilter(); 191 intentfilter.addAction(ImsManager.ACTION_IMS_INCOMING_CALL); 192 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 193 194 Thread t = new Thread() { 195 public void run() { 196 getImsService(); 197 } 198 }; 199 t.start(); 200 } 201 202 private PendingIntent createIncomingCallPendingIntent() { 203 Intent intent = new Intent(ImsManager.ACTION_IMS_INCOMING_CALL); 204 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 205 return PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 206 PendingIntent.FLAG_UPDATE_CURRENT); 207 } 208 209 private void getImsService() { 210 if (DBG) log("getImsService"); 211 mImsManager = ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()); 212 try { 213 mServiceId = mImsManager.open(ImsServiceClass.MMTEL, 214 createIncomingCallPendingIntent(), 215 mImsConnectionStateListener); 216 217 // Get the ECBM interface and set IMSPhone's listener object for notifications 218 getEcbmInterface().setEcbmStateListener(mPhone.mImsEcbmStateListener); 219 if (mPhone.isInEcm()) { 220 // Call exit ECBM which will invoke onECBMExited 221 mPhone.exitEmergencyCallbackMode(); 222 } 223 int mPreferredTtyMode = Settings.Secure.getInt( 224 mPhone.getContext().getContentResolver(), 225 Settings.Secure.PREFERRED_TTY_MODE, 226 Phone.TTY_MODE_OFF); 227 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, mPreferredTtyMode, null); 228 229 } catch (ImsException e) { 230 loge("getImsService: " + e); 231 //Leave mImsManager as null, then CallStateException will be thrown when dialing 232 mImsManager = null; 233 } 234 } 235 236 public void dispose() { 237 if (DBG) log("dispose"); 238 mRingingCall.dispose(); 239 mBackgroundCall.dispose(); 240 mForegroundCall.dispose(); 241 mHandoverCall.dispose(); 242 243 clearDisconnected(); 244 mPhone.getContext().unregisterReceiver(mReceiver); 245 } 246 247 @Override 248 protected void finalize() { 249 log("ImsPhoneCallTracker finalized"); 250 } 251 252 //***** Instance Methods 253 254 //***** Public Methods 255 @Override 256 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 257 Registrant r = new Registrant(h, what, obj); 258 mVoiceCallStartedRegistrants.add(r); 259 } 260 261 @Override 262 public void unregisterForVoiceCallStarted(Handler h) { 263 mVoiceCallStartedRegistrants.remove(h); 264 } 265 266 @Override 267 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 268 Registrant r = new Registrant(h, what, obj); 269 mVoiceCallEndedRegistrants.add(r); 270 } 271 272 @Override 273 public void unregisterForVoiceCallEnded(Handler h) { 274 mVoiceCallEndedRegistrants.remove(h); 275 } 276 277 Connection 278 dial(String dialString, int videoState) throws CallStateException { 279 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 280 int oirMode = sp.getInt(PhoneBase.CLIR_KEY, CommandsInterface.CLIR_DEFAULT); 281 return dial(dialString, oirMode, videoState); 282 } 283 284 /** 285 * oirMode is one of the CLIR_ constants 286 */ 287 synchronized Connection 288 dial(String dialString, int clirMode, int videoState) throws CallStateException { 289 boolean isPhoneInEcmMode = SystemProperties.getBoolean( 290 TelephonyProperties.PROPERTY_INECM_MODE, false); 291 boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString); 292 293 if (DBG) log("dial clirMode=" + clirMode); 294 295 // note that this triggers call state changed notif 296 clearDisconnected(); 297 298 if (mImsManager == null) { 299 throw new CallStateException("service not available"); 300 } 301 302 if (!canDial()) { 303 throw new CallStateException("cannot dial in current state"); 304 } 305 306 if (isPhoneInEcmMode && isEmergencyNumber) { 307 handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER); 308 } 309 310 boolean holdBeforeDial = false; 311 312 // The new call must be assigned to the foreground call. 313 // That call must be idle, so place anything that's 314 // there on hold 315 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 316 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 317 //we should have failed in !canDial() above before we get here 318 throw new CallStateException("cannot dial in current state"); 319 } 320 // foreground call is empty for the newly dialed connection 321 holdBeforeDial = true; 322 switchWaitingOrHoldingAndActive(); 323 } 324 325 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 326 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 327 328 mClirMode = clirMode; 329 330 synchronized (mSyncHold) { 331 if (holdBeforeDial) { 332 fgState = mForegroundCall.getState(); 333 bgState = mBackgroundCall.getState(); 334 335 //holding foreground call failed 336 if (fgState == ImsPhoneCall.State.ACTIVE) { 337 throw new CallStateException("cannot dial in current state"); 338 } 339 340 //holding foreground call succeeded 341 if (bgState == ImsPhoneCall.State.HOLDING) { 342 holdBeforeDial = false; 343 } 344 } 345 346 mPendingMO = new ImsPhoneConnection(mPhone.getContext(), 347 checkForTestEmergencyNumber(dialString), this, mForegroundCall); 348 } 349 addConnection(mPendingMO); 350 351 if (!holdBeforeDial) { 352 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 353 dialInternal(mPendingMO, clirMode, videoState); 354 } else { 355 try { 356 getEcbmInterface().exitEmergencyCallbackMode(); 357 } catch (ImsException e) { 358 e.printStackTrace(); 359 throw new CallStateException("service not available"); 360 } 361 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 362 pendingCallClirMode = clirMode; 363 pendingCallVideoState = videoState; 364 pendingCallInEcm = true; 365 } 366 } 367 368 updatePhoneState(); 369 mPhone.notifyPreciseCallStateChanged(); 370 371 return mPendingMO; 372 } 373 374 private void handleEcmTimer(int action) { 375 mPhone.handleTimerInEmergencyCallbackMode(action); 376 switch (action) { 377 case ImsPhone.CANCEL_ECM_TIMER: 378 break; 379 case ImsPhone.RESTART_ECM_TIMER: 380 break; 381 default: 382 log("handleEcmTimer, unsupported action " + action); 383 } 384 } 385 386 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState) { 387 if (conn == null) { 388 return; 389 } 390 391 if (conn.getAddress()== null || conn.getAddress().length() == 0 392 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) { 393 // Phone number is invalid 394 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 395 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 396 return; 397 } 398 399 // Always unmute when initiating a new call 400 setMute(false); 401 int serviceType = PhoneNumberUtils.isEmergencyNumber(conn.getAddress()) ? 402 ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 403 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 404 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 405 conn.setVideoState(videoState); 406 407 try { 408 String[] callees = new String[] { conn.getAddress() }; 409 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 410 serviceType, callType); 411 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 412 413 ImsCall imsCall = mImsManager.makeCall(mServiceId, profile, 414 callees, mImsCallListener); 415 conn.setImsCall(imsCall); 416 417 IImsVideoCallProvider imsVideoCallProvider = 418 imsCall.getCallSession().getVideoCallProvider(); 419 if (imsVideoCallProvider != null) { 420 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 421 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 422 conn.setVideoProvider(imsVideoCallProviderWrapper); 423 } 424 } catch (ImsException e) { 425 loge("dialInternal : " + e); 426 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 427 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 428 } catch (RemoteException e) { 429 } 430 } 431 432 /** 433 * Accepts a call with the specified video state. The video state is the video state that the 434 * user has agreed upon in the InCall UI. 435 * 436 * @param videoState The video State 437 * @throws CallStateException 438 */ 439 void acceptCall (int videoState) throws CallStateException { 440 if (DBG) log("acceptCall"); 441 442 if (mForegroundCall.getState().isAlive() 443 && mBackgroundCall.getState().isAlive()) { 444 throw new CallStateException("cannot accept call"); 445 } 446 447 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 448 && mForegroundCall.getState().isAlive()) { 449 setMute(false); 450 switchWaitingOrHoldingAndActive(); 451 } else if (mRingingCall.getState().isRinging()) { 452 if (DBG) log("acceptCall: incoming..."); 453 // Always unmute when answering a new call 454 setMute(false); 455 try { 456 ImsCall imsCall = mRingingCall.getImsCall(); 457 if (imsCall != null) { 458 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 459 } else { 460 throw new CallStateException("no valid ims call"); 461 } 462 } catch (ImsException e) { 463 throw new CallStateException("cannot accept call"); 464 } 465 } else { 466 throw new CallStateException("phone not ringing"); 467 } 468 } 469 470 void 471 rejectCall () throws CallStateException { 472 if (DBG) log("rejectCall"); 473 474 if (mRingingCall.getState().isRinging()) { 475 hangup(mRingingCall); 476 } else { 477 throw new CallStateException("phone not ringing"); 478 } 479 } 480 481 void 482 switchWaitingOrHoldingAndActive() throws CallStateException { 483 if (DBG) log("switchWaitingOrHoldingAndActive"); 484 485 if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) { 486 throw new CallStateException("cannot be in the incoming state"); 487 } 488 489 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 490 ImsCall imsCall = mForegroundCall.getImsCall(); 491 if (imsCall == null) { 492 throw new CallStateException("no ims call"); 493 } 494 495 // Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls. 496 // If hold or resume later fails, we will swap them back. 497 mSwitchingFgAndBgCalls = true; 498 mCallExpectedToResume = mBackgroundCall.getImsCall(); 499 mForegroundCall.switchWith(mBackgroundCall); 500 501 // Hold the foreground call; once the foreground call is held, the background call will 502 // be resumed. 503 try { 504 imsCall.hold(); 505 } catch (ImsException e) { 506 mForegroundCall.switchWith(mBackgroundCall); 507 throw new CallStateException(e.getMessage()); 508 } 509 } else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 510 resumeWaitingOrHolding(); 511 } 512 } 513 514 void 515 conference() { 516 if (DBG) log("conference"); 517 518 ImsCall fgImsCall = mForegroundCall.getImsCall(); 519 if (fgImsCall == null) { 520 log("conference no foreground ims call"); 521 return; 522 } 523 524 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 525 if (bgImsCall == null) { 526 log("conference no background ims call"); 527 return; 528 } 529 530 try { 531 fgImsCall.merge(bgImsCall); 532 } catch (ImsException e) { 533 log("conference " + e.getMessage()); 534 } 535 } 536 537 void 538 explicitCallTransfer() { 539 //TODO : implement 540 } 541 542 void 543 clearDisconnected() { 544 if (DBG) log("clearDisconnected"); 545 546 internalClearDisconnected(); 547 548 updatePhoneState(); 549 mPhone.notifyPreciseCallStateChanged(); 550 } 551 552 boolean 553 canConference() { 554 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 555 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 556 && !mBackgroundCall.isFull() 557 && !mForegroundCall.isFull(); 558 } 559 560 boolean 561 canDial() { 562 boolean ret; 563 int serviceState = mPhone.getServiceState().getState(); 564 String disableCall = SystemProperties.get( 565 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 566 567 ret = (serviceState != ServiceState.STATE_POWER_OFF) 568 && mPendingMO == null 569 && !mRingingCall.isRinging() 570 && !disableCall.equals("true") 571 && (!mForegroundCall.getState().isAlive() 572 || !mBackgroundCall.getState().isAlive()); 573 574 return ret; 575 } 576 577 boolean 578 canTransfer() { 579 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 580 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 581 } 582 583 //***** Private Instance Methods 584 585 private void 586 internalClearDisconnected() { 587 mRingingCall.clearDisconnected(); 588 mForegroundCall.clearDisconnected(); 589 mBackgroundCall.clearDisconnected(); 590 mHandoverCall.clearDisconnected(); 591 } 592 593 private void 594 updatePhoneState() { 595 PhoneConstants.State oldState = mState; 596 597 if (mRingingCall.isRinging()) { 598 mState = PhoneConstants.State.RINGING; 599 } else if (mPendingMO != null || 600 !(mForegroundCall.isIdle() && mBackgroundCall.isIdle())) { 601 mState = PhoneConstants.State.OFFHOOK; 602 } else { 603 mState = PhoneConstants.State.IDLE; 604 } 605 606 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 607 mVoiceCallEndedRegistrants.notifyRegistrants( 608 new AsyncResult(null, null, null)); 609 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 610 mVoiceCallStartedRegistrants.notifyRegistrants ( 611 new AsyncResult(null, null, null)); 612 } 613 614 if (DBG) log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 615 616 if (mState != oldState) { 617 mPhone.notifyPhoneStateChanged(); 618 } 619 } 620 621 private void 622 handleRadioNotAvailable() { 623 // handlePollCalls will clear out its 624 // call list when it gets the CommandException 625 // error result from this 626 pollCallsWhenSafe(); 627 } 628 629 private void 630 dumpState() { 631 List l; 632 633 log("Phone State:" + mState); 634 635 log("Ringing call: " + mRingingCall.toString()); 636 637 l = mRingingCall.getConnections(); 638 for (int i = 0, s = l.size(); i < s; i++) { 639 log(l.get(i).toString()); 640 } 641 642 log("Foreground call: " + mForegroundCall.toString()); 643 644 l = mForegroundCall.getConnections(); 645 for (int i = 0, s = l.size(); i < s; i++) { 646 log(l.get(i).toString()); 647 } 648 649 log("Background call: " + mBackgroundCall.toString()); 650 651 l = mBackgroundCall.getConnections(); 652 for (int i = 0, s = l.size(); i < s; i++) { 653 log(l.get(i).toString()); 654 } 655 656 } 657 658 //***** Called from ImsPhone 659 660 void setUiTTYMode(int uiTtyMode, Message onComplete) { 661 try { 662 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, uiTtyMode, onComplete); 663 } catch (ImsException e) { 664 loge("setTTYMode : " + e); 665 mPhone.sendErrorResponse(onComplete, e); 666 } 667 } 668 669 /*package*/ void setMute(boolean mute) { 670 mDesiredMute = mute; 671 mForegroundCall.setMute(mute); 672 } 673 674 /*package*/ boolean getMute() { 675 return mDesiredMute; 676 } 677 678 /* package */ void sendDtmf(char c, Message result) { 679 if (DBG) log("sendDtmf"); 680 681 ImsCall imscall = mForegroundCall.getImsCall(); 682 if (imscall != null) { 683 imscall.sendDtmf(c, result); 684 } 685 } 686 687 /*package*/ void 688 startDtmf(char c) { 689 if (DBG) log("startDtmf"); 690 691 ImsCall imscall = mForegroundCall.getImsCall(); 692 if (imscall != null) { 693 imscall.startDtmf(c); 694 } else { 695 loge("startDtmf : no foreground call"); 696 } 697 } 698 699 /*package*/ void 700 stopDtmf() { 701 if (DBG) log("stopDtmf"); 702 703 ImsCall imscall = mForegroundCall.getImsCall(); 704 if (imscall != null) { 705 imscall.stopDtmf(); 706 } else { 707 loge("stopDtmf : no foreground call"); 708 } 709 } 710 711 //***** Called from ImsPhoneConnection 712 713 /*package*/ void 714 hangup (ImsPhoneConnection conn) throws CallStateException { 715 if (DBG) log("hangup connection"); 716 717 if (conn.getOwner() != this) { 718 throw new CallStateException ("ImsPhoneConnection " + conn 719 + "does not belong to ImsPhoneCallTracker " + this); 720 } 721 722 hangup(conn.getCall()); 723 } 724 725 //***** Called from ImsPhoneCall 726 727 /* package */ void 728 hangup (ImsPhoneCall call) throws CallStateException { 729 if (DBG) log("hangup call"); 730 731 if (call.getConnections().size() == 0) { 732 throw new CallStateException("no connections"); 733 } 734 735 ImsCall imsCall = call.getImsCall(); 736 boolean rejectCall = false; 737 738 if (call == mRingingCall) { 739 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 740 rejectCall = true; 741 } else if (call == mForegroundCall) { 742 if (call.isDialingOrAlerting()) { 743 if (Phone.DEBUG_PHONE) { 744 log("(foregnd) hangup dialing or alerting..."); 745 } 746 } else { 747 if (Phone.DEBUG_PHONE) { 748 log("(foregnd) hangup foreground"); 749 } 750 //held call will be resumed by onCallTerminated 751 } 752 } else if (call == mBackgroundCall) { 753 if (Phone.DEBUG_PHONE) { 754 log("(backgnd) hangup waiting or background"); 755 } 756 } else { 757 throw new CallStateException ("ImsPhoneCall " + call + 758 "does not belong to ImsPhoneCallTracker " + this); 759 } 760 761 call.onHangupLocal(); 762 763 try { 764 if (imsCall != null) { 765 if (rejectCall) imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 766 else imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 767 } else if (mPendingMO != null && call == mForegroundCall) { 768 // is holding a foreground call 769 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 770 mPendingMO.onDisconnect(); 771 removeConnection(mPendingMO); 772 mPendingMO = null; 773 updatePhoneState(); 774 removeMessages(EVENT_DIAL_PENDINGMO); 775 } 776 } catch (ImsException e) { 777 throw new CallStateException(e.getMessage()); 778 } 779 780 mPhone.notifyPreciseCallStateChanged(); 781 } 782 783 /* package */ 784 void resumeWaitingOrHolding() throws CallStateException { 785 if (DBG) log("resumeWaitingOrHolding"); 786 787 try { 788 if (mForegroundCall.getState().isAlive()) { 789 //resume foreground call after holding background call 790 //they were switched before holding 791 ImsCall imsCall = mForegroundCall.getImsCall(); 792 if (imsCall != null) imsCall.resume(); 793 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 794 //accept waiting call after holding background call 795 ImsCall imsCall = mRingingCall.getImsCall(); 796 if (imsCall != null) imsCall.accept(ImsCallProfile.CALL_TYPE_VOICE); 797 } else { 798 //Just resume background call. 799 //To distinguish resuming call with swapping calls 800 //we do not switch calls.here 801 //ImsPhoneConnection.update will chnage the parent when completed 802 ImsCall imsCall = mBackgroundCall.getImsCall(); 803 if (imsCall != null) imsCall.resume(); 804 } 805 } catch (ImsException e) { 806 throw new CallStateException(e.getMessage()); 807 } 808 } 809 810 /* package */ 811 void sendUSSD (String ussdString, Message response) { 812 if (DBG) log("sendUSSD"); 813 814 try { 815 if (mUssdSession != null) { 816 mUssdSession.sendUssd(ussdString); 817 AsyncResult.forMessage(response, null, null); 818 response.sendToTarget(); 819 return; 820 } 821 822 String[] callees = new String[] { ussdString }; 823 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 824 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 825 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 826 ImsCallProfile.DIALSTRING_USSD); 827 828 mUssdSession = mImsManager.makeCall(mServiceId, profile, 829 callees, mImsUssdListener); 830 } catch (ImsException e) { 831 loge("sendUSSD : " + e); 832 mPhone.sendErrorResponse(response, e); 833 } 834 } 835 836 /* package */ 837 void cancelUSSD() { 838 if (mUssdSession == null) return; 839 840 try { 841 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 842 } catch (ImsException e) { 843 } 844 845 } 846 847 private synchronized ImsPhoneConnection findConnection(ImsCall imsCall) { 848 for (ImsPhoneConnection conn : mConnections) { 849 if (conn.getImsCall() == imsCall) { 850 return conn; 851 } 852 } 853 return null; 854 } 855 856 private synchronized void removeConnection(ImsPhoneConnection conn) { 857 mConnections.remove(conn); 858 } 859 860 private synchronized void addConnection(ImsPhoneConnection conn) { 861 mConnections.add(conn); 862 } 863 864 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 865 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 866 867 if (imsCall == null) return; 868 869 boolean changed = false; 870 ImsPhoneConnection conn = findConnection(imsCall); 871 872 if (conn == null) { 873 // TODO : what should be done? 874 return; 875 } 876 877 changed = conn.update(imsCall, state); 878 879 if (state == ImsPhoneCall.State.DISCONNECTED) { 880 changed = conn.onDisconnect(cause) || changed; 881 //detach the disconnected connections 882 conn.getCall().detach(conn); 883 removeConnection(conn); 884 } 885 886 if (changed) { 887 if (conn.getCall() == mHandoverCall) return; 888 updatePhoneState(); 889 mPhone.notifyPreciseCallStateChanged(); 890 } 891 } 892 893 private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 894 int cause = DisconnectCause.ERROR_UNSPECIFIED; 895 896 //int type = reasonInfo.getReasonType(); 897 int code = reasonInfo.getCode(); 898 switch (code) { 899 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 900 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 901 return DisconnectCause.NUMBER_UNREACHABLE; 902 903 case ImsReasonInfo.CODE_SIP_BUSY: 904 return DisconnectCause.BUSY; 905 906 case ImsReasonInfo.CODE_USER_TERMINATED: 907 return DisconnectCause.LOCAL; 908 909 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 910 return DisconnectCause.INCOMING_REJECTED; 911 912 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 913 return DisconnectCause.NORMAL; 914 915 case ImsReasonInfo.CODE_SIP_REDIRECTED: 916 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 917 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 918 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 919 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 920 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 921 return DisconnectCause.SERVER_ERROR; 922 923 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 924 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 925 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 926 return DisconnectCause.SERVER_UNREACHABLE; 927 928 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 929 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 930 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 931 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 932 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 933 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 934 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 935 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 936 return DisconnectCause.OUT_OF_SERVICE; 937 938 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 939 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 940 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 941 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 942 return DisconnectCause.TIMED_OUT; 943 944 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 945 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 946 return DisconnectCause.POWER_OFF; 947 948 default: 949 } 950 951 return cause; 952 } 953 954 /** 955 * Listen to the IMS call state change 956 */ 957 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 958 @Override 959 public void onCallProgressing(ImsCall imsCall) { 960 if (DBG) log("onCallProgressing"); 961 962 mPendingMO = null; 963 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 964 DisconnectCause.NOT_DISCONNECTED); 965 } 966 967 @Override 968 public void onCallStarted(ImsCall imsCall) { 969 if (DBG) log("onCallStarted"); 970 971 mPendingMO = null; 972 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 973 DisconnectCause.NOT_DISCONNECTED); 974 } 975 976 /** 977 * onCallStartFailed will be invoked when: 978 * case 1) Dialing fails 979 * case 2) Ringing call is disconnected by local or remote user 980 */ 981 @Override 982 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 983 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 984 985 if (mPendingMO != null) { 986 // To initiate dialing circuit-switched call 987 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 988 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 989 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 990 mForegroundCall.detach(mPendingMO); 991 removeConnection(mPendingMO); 992 mPendingMO.finalize(); 993 mPendingMO = null; 994 mPhone.initiateSilentRedial(); 995 return; 996 } 997 mPendingMO = null; 998 } 999 } 1000 1001 @Override 1002 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1003 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 1004 1005 ImsPhoneCall.State oldState = mForegroundCall.getState(); 1006 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1007 ImsPhoneConnection conn = findConnection(imsCall); 1008 if (DBG) log("cause = " + cause + " conn = " + conn); 1009 1010 if (conn != null && conn.isIncoming() && conn.getConnectTime() == 0) { 1011 // Missed 1012 if (cause == DisconnectCause.NORMAL) { 1013 cause = DisconnectCause.INCOMING_MISSED; 1014 } 1015 if (DBG) log("Incoming connection of 0 connect time detected - translated cause = " 1016 + cause); 1017 1018 } 1019 1020 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 1021 // Call was terminated while it is merged instead of a remote disconnect. 1022 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 1023 } 1024 1025 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1026 } 1027 1028 @Override 1029 public void onCallHeld(ImsCall imsCall) { 1030 if (DBG) log("onCallHeld"); 1031 1032 synchronized (mSyncHold) { 1033 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 1034 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 1035 DisconnectCause.NOT_DISCONNECTED); 1036 1037 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 1038 // processCallStateChange above may have caused the mBackgroundCall and 1039 // mForegroundCall references below to change meaning. Watch out for this if you 1040 // are reading through this code. 1041 if (oldState == ImsPhoneCall.State.ACTIVE) { 1042 // Note: This case comes up when we have just held a call in response to a 1043 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 1044 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 1045 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 1046 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 1047 1048 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 1049 } else { 1050 //when multiple connections belong to background call, 1051 //only the first callback reaches here 1052 //otherwise the oldState is already HOLDING 1053 if (mPendingMO != null) { 1054 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1055 } 1056 1057 // In this case there will be no call resumed, so we can assume that we 1058 // are done switching fg and bg calls now. 1059 // This may happen if there is no BG call and we are holding a call so that 1060 // we can dial another one. 1061 mSwitchingFgAndBgCalls = false; 1062 } 1063 } 1064 } 1065 } 1066 1067 @Override 1068 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1069 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 1070 1071 synchronized (mSyncHold) { 1072 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 1073 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 1074 // disconnected while processing hold 1075 if (mPendingMO != null) { 1076 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1077 } 1078 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 1079 mForegroundCall.switchWith(mBackgroundCall); 1080 1081 if (mPendingMO != null) { 1082 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1083 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1084 } 1085 } 1086 } 1087 } 1088 1089 @Override 1090 public void onCallResumed(ImsCall imsCall) { 1091 if (DBG) log("onCallResumed"); 1092 1093 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 1094 // is not the one we expected, we likely had a resume failure and we need to swap the 1095 // FG and BG calls back. 1096 if (mSwitchingFgAndBgCalls && imsCall != mCallExpectedToResume) { 1097 mForegroundCall.switchWith(mBackgroundCall); 1098 mSwitchingFgAndBgCalls = false; 1099 mCallExpectedToResume = null; 1100 } 1101 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1102 DisconnectCause.NOT_DISCONNECTED); 1103 } 1104 1105 @Override 1106 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1107 // TODO : What should be done? 1108 // If we are in the midst of swapping the FG and BG calls and we got a resume fail, we 1109 // need to swap back the FG and BG calls. 1110 if (mSwitchingFgAndBgCalls && imsCall == mCallExpectedToResume) { 1111 mForegroundCall.switchWith(mBackgroundCall); 1112 mCallExpectedToResume = null; 1113 mSwitchingFgAndBgCalls = false; 1114 } 1115 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 1116 } 1117 1118 @Override 1119 public void onCallResumeReceived(ImsCall imsCall) { 1120 if (DBG) log("onCallResumeReceived"); 1121 1122 if (mOnHoldToneStarted) { 1123 mPhone.stopOnHoldTone(); 1124 mOnHoldToneStarted = false; 1125 } 1126 } 1127 1128 @Override 1129 public void onCallHoldReceived(ImsCall imsCall) { 1130 if (DBG) log("onCallHoldReceived"); 1131 1132 ImsPhoneConnection conn = findConnection(imsCall); 1133 if (conn != null && conn.getState() == ImsPhoneCall.State.ACTIVE) { 1134 if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall)) { 1135 mPhone.startOnHoldTone(); 1136 mOnHoldToneStarted = true; 1137 } 1138 } 1139 } 1140 1141 @Override 1142 public void onCallMerged(ImsCall call) { 1143 if (DBG) log("onCallMerged"); 1144 1145 mForegroundCall.merge(mBackgroundCall, mForegroundCall.getState()); 1146 updatePhoneState(); 1147 mPhone.notifyPreciseCallStateChanged(); 1148 } 1149 1150 @Override 1151 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 1152 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 1153 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 1154 } 1155 1156 /** 1157 * Called when the state of IMS conference participant(s) has changed. 1158 * 1159 * @param call the call object that carries out the IMS call. 1160 * @param participants the participant(s) and their new state information. 1161 */ 1162 @Override 1163 public void onConferenceParticipantsStateChanged(ImsCall call, 1164 List<ConferenceParticipant> participants) { 1165 if (DBG) log("onConferenceParticipantsStateChanged"); 1166 1167 ImsPhoneConnection conn = findConnection(call); 1168 if (conn != null) { 1169 conn.updateConferenceParticipants(participants); 1170 } 1171 } 1172 1173 @Override 1174 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 1175 mPhone.onTtyModeReceived(mode); 1176 } 1177 }; 1178 1179 /** 1180 * Listen to the IMS call state change 1181 */ 1182 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 1183 @Override 1184 public void onCallStarted(ImsCall imsCall) { 1185 if (DBG) log("mImsUssdListener onCallStarted"); 1186 1187 if (imsCall == mUssdSession) { 1188 if (mPendingUssd != null) { 1189 AsyncResult.forMessage(mPendingUssd); 1190 mPendingUssd.sendToTarget(); 1191 mPendingUssd = null; 1192 } 1193 } 1194 } 1195 1196 @Override 1197 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1198 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1199 1200 onCallTerminated(imsCall, reasonInfo); 1201 } 1202 1203 @Override 1204 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1205 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 1206 1207 if (imsCall == mUssdSession) { 1208 mUssdSession = null; 1209 if (mPendingUssd != null) { 1210 CommandException ex = 1211 new CommandException(CommandException.Error.GENERIC_FAILURE); 1212 AsyncResult.forMessage(mPendingUssd, null, ex); 1213 mPendingUssd.sendToTarget(); 1214 mPendingUssd = null; 1215 } 1216 } 1217 imsCall.close(); 1218 } 1219 1220 @Override 1221 public void onCallUssdMessageReceived(ImsCall call, 1222 int mode, String ussdMessage) { 1223 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 1224 1225 int ussdMode = -1; 1226 1227 switch(mode) { 1228 case ImsCall.USSD_MODE_REQUEST: 1229 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 1230 break; 1231 1232 case ImsCall.USSD_MODE_NOTIFY: 1233 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 1234 break; 1235 } 1236 1237 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 1238 } 1239 }; 1240 1241 /** 1242 * Listen to the IMS service state change 1243 * 1244 */ 1245 private ImsConnectionStateListener mImsConnectionStateListener = 1246 new ImsConnectionStateListener() { 1247 @Override 1248 public void onImsConnected() { 1249 if (DBG) log("onImsConnected"); 1250 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1251 mPhone.setImsRegistered(true); 1252 } 1253 1254 @Override 1255 public void onImsDisconnected() { 1256 if (DBG) log("onImsDisconnected"); 1257 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1258 mPhone.setImsRegistered(false); 1259 } 1260 1261 @Override 1262 public void onImsResumed() { 1263 if (DBG) log("onImsResumed"); 1264 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1265 } 1266 1267 @Override 1268 public void onImsSuspended() { 1269 if (DBG) log("onImsSuspended"); 1270 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1271 } 1272 1273 @Override 1274 public void onFeatureCapabilityChanged(int serviceClass, 1275 int[] enabledFeatures, int[] disabledFeatures) { 1276 if (serviceClass == ImsServiceClass.MMTEL) { 1277 if (enabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE] == 1278 ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE) { 1279 mIsVolteEnabled = true; 1280 } 1281 if (enabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] == 1282 ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE) { 1283 mIsVtEnabled = true; 1284 } 1285 if (disabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE] == 1286 ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE) { 1287 mIsVolteEnabled = false; 1288 } 1289 if (disabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] == 1290 ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE) { 1291 mIsVtEnabled = false; 1292 } 1293 } 1294 if (DBG) log("onFeatureCapabilityChanged, mIsVolteEnabled = " + mIsVolteEnabled 1295 + " mIsVtEnabled = " + mIsVtEnabled); 1296 } 1297 }; 1298 1299 /* package */ 1300 ImsUtInterface getUtInterface() throws ImsException { 1301 if (mImsManager == null) { 1302 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1303 } 1304 1305 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(mServiceId); 1306 return ut; 1307 } 1308 1309 private void transferHandoverConnections(ImsPhoneCall call) { 1310 if (call.mConnections != null) { 1311 for (Connection c : call.mConnections) { 1312 c.mPreHandoverState = call.mState; 1313 log ("Connection state before handover is " + c.getStateBeforeHandover()); 1314 } 1315 } 1316 if (mHandoverCall.mConnections == null ) { 1317 mHandoverCall.mConnections = call.mConnections; 1318 } else { // Multi-call SRVCC 1319 mHandoverCall.mConnections.addAll(call.mConnections); 1320 } 1321 if (mHandoverCall.mConnections != null) { 1322 if (call.getImsCall() != null) { 1323 call.getImsCall().close(); 1324 } 1325 for (Connection c : mHandoverCall.mConnections) { 1326 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 1327 ((ImsPhoneConnection)c).releaseWakeLock(); 1328 } 1329 } 1330 if (call.getState().isAlive()) { 1331 log ("Call is alive and state is " + call.mState); 1332 mHandoverCall.mState = call.mState; 1333 } 1334 call.mConnections.clear(); 1335 call.mState = ImsPhoneCall.State.IDLE; 1336 } 1337 1338 /* package */ 1339 void notifySrvccState(Call.SrvccState state) { 1340 if (DBG) log("notifySrvccState state=" + state); 1341 1342 mSrvccState = state; 1343 1344 if (mSrvccState == Call.SrvccState.COMPLETED) { 1345 transferHandoverConnections(mForegroundCall); 1346 transferHandoverConnections(mBackgroundCall); 1347 transferHandoverConnections(mRingingCall); 1348 } 1349 } 1350 1351 //****** Overridden from Handler 1352 1353 @Override 1354 public void 1355 handleMessage (Message msg) { 1356 AsyncResult ar; 1357 if (DBG) log("handleMessage what=" + msg.what); 1358 1359 switch (msg.what) { 1360 case EVENT_HANGUP_PENDINGMO: 1361 if (mPendingMO != null) { 1362 mPendingMO.onDisconnect(); 1363 removeConnection(mPendingMO); 1364 mPendingMO = null; 1365 } 1366 1367 updatePhoneState(); 1368 mPhone.notifyPreciseCallStateChanged(); 1369 break; 1370 case EVENT_RESUME_BACKGROUND: 1371 try { 1372 resumeWaitingOrHolding(); 1373 } catch (CallStateException e) { 1374 if (Phone.DEBUG_PHONE) { 1375 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 1376 } 1377 } 1378 break; 1379 case EVENT_DIAL_PENDINGMO: 1380 dialInternal(mPendingMO, mClirMode, VideoProfile.VideoState.AUDIO_ONLY); 1381 break; 1382 1383 case EVENT_EXIT_ECM_RESPONSE_CDMA: 1384 // no matter the result, we still do the same here 1385 if (pendingCallInEcm) { 1386 dialInternal(mPendingMO, pendingCallClirMode, pendingCallVideoState); 1387 pendingCallInEcm = false; 1388 } 1389 mPhone.unsetOnEcbModeExitResponse(this); 1390 break; 1391 } 1392 } 1393 1394 @Override 1395 protected void log(String msg) { 1396 Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1397 } 1398 1399 protected void loge(String msg) { 1400 Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1401 } 1402 1403 @Override 1404 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1405 pw.println("ImsPhoneCallTracker extends:"); 1406 super.dump(fd, pw, args); 1407 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 1408 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 1409 pw.println(" mRingingCall=" + mRingingCall); 1410 pw.println(" mForegroundCall=" + mForegroundCall); 1411 pw.println(" mBackgroundCall=" + mBackgroundCall); 1412 pw.println(" mHandoverCall=" + mHandoverCall); 1413 pw.println(" mPendingMO=" + mPendingMO); 1414 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 1415 pw.println(" mPhone=" + mPhone); 1416 pw.println(" mDesiredMute=" + mDesiredMute); 1417 pw.println(" mState=" + mState); 1418 } 1419 1420 @Override 1421 protected void handlePollCalls(AsyncResult ar) { 1422 } 1423 1424 /* package */ 1425 ImsEcbm getEcbmInterface() throws ImsException { 1426 if (mImsManager == null) { 1427 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1428 } 1429 1430 ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId); 1431 return ecbm; 1432 } 1433 1434 public boolean isInEmergencyCall() { 1435 return mIsInEmergencyCall; 1436 } 1437 1438 public boolean isVolteEnabled() { 1439 return mIsVolteEnabled; 1440 } 1441 1442 public boolean isVtEnabled() { 1443 return mIsVtEnabled; 1444 } 1445} 1446