1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.telephony.imsphone; 18 19 import java.io.FileDescriptor; 20 import java.io.PrintWriter; 21 import java.util.ArrayList; 22 import java.util.List; 23 24 import android.app.PendingIntent; 25 import android.content.BroadcastReceiver; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.IntentFilter; 29 import android.content.SharedPreferences; 30 import android.os.AsyncResult; 31 import android.os.Handler; 32 import android.os.Message; 33 import android.os.Registrant; 34 import android.os.RegistrantList; 35 import android.os.RemoteException; 36 import android.os.SystemProperties; 37 import android.provider.Settings; 38 import android.preference.PreferenceManager; 39 import android.telecom.ConferenceParticipant; 40 import android.telecom.VideoProfile; 41 import android.telephony.DisconnectCause; 42 import android.telephony.PhoneNumberUtils; 43 import android.telephony.Rlog; 44 import android.telephony.ServiceState; 45 46 import com.android.ims.ImsCall; 47 import com.android.ims.ImsCallProfile; 48 import com.android.ims.ImsConfig; 49 import com.android.ims.ImsConnectionStateListener; 50 import com.android.ims.ImsEcbm; 51 import com.android.ims.ImsException; 52 import com.android.ims.ImsManager; 53 import com.android.ims.ImsReasonInfo; 54 import com.android.ims.ImsServiceClass; 55 import com.android.ims.ImsUtInterface; 56 import com.android.ims.internal.IImsVideoCallProvider; 57 import com.android.ims.internal.ImsVideoCallProviderWrapper; 58 import com.android.internal.telephony.Call; 59 import com.android.internal.telephony.CallStateException; 60 import com.android.internal.telephony.CallTracker; 61 import com.android.internal.telephony.CommandException; 62 import com.android.internal.telephony.CommandsInterface; 63 import com.android.internal.telephony.Connection; 64 import com.android.internal.telephony.Phone; 65 import com.android.internal.telephony.PhoneBase; 66 import com.android.internal.telephony.PhoneConstants; 67 import com.android.internal.telephony.TelephonyProperties; 68 69 /** 70 * {@hide} 71 */ 72 public 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 // Keep track of the connect time of the earliest call so that it can be set on the 531 // {@code ImsConference} when it is created. 532 long conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 533 mBackgroundCall.getEarliestConnectTime()); 534 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 535 if (foregroundConnection != null) { 536 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 537 } 538 539 try { 540 fgImsCall.merge(bgImsCall); 541 } catch (ImsException e) { 542 log("conference " + e.getMessage()); 543 } 544 } 545 546 void 547 explicitCallTransfer() { 548 //TODO : implement 549 } 550 551 void 552 clearDisconnected() { 553 if (DBG) log("clearDisconnected"); 554 555 internalClearDisconnected(); 556 557 updatePhoneState(); 558 mPhone.notifyPreciseCallStateChanged(); 559 } 560 561 boolean 562 canConference() { 563 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 564 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 565 && !mBackgroundCall.isFull() 566 && !mForegroundCall.isFull(); 567 } 568 569 boolean 570 canDial() { 571 boolean ret; 572 int serviceState = mPhone.getServiceState().getState(); 573 String disableCall = SystemProperties.get( 574 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 575 576 ret = (serviceState != ServiceState.STATE_POWER_OFF) 577 && mPendingMO == null 578 && !mRingingCall.isRinging() 579 && !disableCall.equals("true") 580 && (!mForegroundCall.getState().isAlive() 581 || !mBackgroundCall.getState().isAlive()); 582 583 return ret; 584 } 585 586 boolean 587 canTransfer() { 588 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 589 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 590 } 591 592 //***** Private Instance Methods 593 594 private void 595 internalClearDisconnected() { 596 mRingingCall.clearDisconnected(); 597 mForegroundCall.clearDisconnected(); 598 mBackgroundCall.clearDisconnected(); 599 mHandoverCall.clearDisconnected(); 600 } 601 602 private void 603 updatePhoneState() { 604 PhoneConstants.State oldState = mState; 605 606 if (mRingingCall.isRinging()) { 607 mState = PhoneConstants.State.RINGING; 608 } else if (mPendingMO != null || 609 !(mForegroundCall.isIdle() && mBackgroundCall.isIdle())) { 610 mState = PhoneConstants.State.OFFHOOK; 611 } else { 612 mState = PhoneConstants.State.IDLE; 613 } 614 615 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 616 mVoiceCallEndedRegistrants.notifyRegistrants( 617 new AsyncResult(null, null, null)); 618 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 619 mVoiceCallStartedRegistrants.notifyRegistrants ( 620 new AsyncResult(null, null, null)); 621 } 622 623 if (DBG) log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 624 625 if (mState != oldState) { 626 mPhone.notifyPhoneStateChanged(); 627 } 628 } 629 630 private void 631 handleRadioNotAvailable() { 632 // handlePollCalls will clear out its 633 // call list when it gets the CommandException 634 // error result from this 635 pollCallsWhenSafe(); 636 } 637 638 private void 639 dumpState() { 640 List l; 641 642 log("Phone State:" + mState); 643 644 log("Ringing call: " + mRingingCall.toString()); 645 646 l = mRingingCall.getConnections(); 647 for (int i = 0, s = l.size(); i < s; i++) { 648 log(l.get(i).toString()); 649 } 650 651 log("Foreground call: " + mForegroundCall.toString()); 652 653 l = mForegroundCall.getConnections(); 654 for (int i = 0, s = l.size(); i < s; i++) { 655 log(l.get(i).toString()); 656 } 657 658 log("Background call: " + mBackgroundCall.toString()); 659 660 l = mBackgroundCall.getConnections(); 661 for (int i = 0, s = l.size(); i < s; i++) { 662 log(l.get(i).toString()); 663 } 664 665 } 666 667 //***** Called from ImsPhone 668 669 void setUiTTYMode(int uiTtyMode, Message onComplete) { 670 try { 671 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, uiTtyMode, onComplete); 672 } catch (ImsException e) { 673 loge("setTTYMode : " + e); 674 mPhone.sendErrorResponse(onComplete, e); 675 } 676 } 677 678 /*package*/ void setMute(boolean mute) { 679 mDesiredMute = mute; 680 mForegroundCall.setMute(mute); 681 } 682 683 /*package*/ boolean getMute() { 684 return mDesiredMute; 685 } 686 687 /* package */ void sendDtmf(char c, Message result) { 688 if (DBG) log("sendDtmf"); 689 690 ImsCall imscall = mForegroundCall.getImsCall(); 691 if (imscall != null) { 692 imscall.sendDtmf(c, result); 693 } 694 } 695 696 /*package*/ void 697 startDtmf(char c) { 698 if (DBG) log("startDtmf"); 699 700 ImsCall imscall = mForegroundCall.getImsCall(); 701 if (imscall != null) { 702 imscall.startDtmf(c); 703 } else { 704 loge("startDtmf : no foreground call"); 705 } 706 } 707 708 /*package*/ void 709 stopDtmf() { 710 if (DBG) log("stopDtmf"); 711 712 ImsCall imscall = mForegroundCall.getImsCall(); 713 if (imscall != null) { 714 imscall.stopDtmf(); 715 } else { 716 loge("stopDtmf : no foreground call"); 717 } 718 } 719 720 //***** Called from ImsPhoneConnection 721 722 /*package*/ void 723 hangup (ImsPhoneConnection conn) throws CallStateException { 724 if (DBG) log("hangup connection"); 725 726 if (conn.getOwner() != this) { 727 throw new CallStateException ("ImsPhoneConnection " + conn 728 + "does not belong to ImsPhoneCallTracker " + this); 729 } 730 731 hangup(conn.getCall()); 732 } 733 734 //***** Called from ImsPhoneCall 735 736 /* package */ void 737 hangup (ImsPhoneCall call) throws CallStateException { 738 if (DBG) log("hangup call"); 739 740 if (call.getConnections().size() == 0) { 741 throw new CallStateException("no connections"); 742 } 743 744 ImsCall imsCall = call.getImsCall(); 745 boolean rejectCall = false; 746 747 if (call == mRingingCall) { 748 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 749 rejectCall = true; 750 } else if (call == mForegroundCall) { 751 if (call.isDialingOrAlerting()) { 752 if (Phone.DEBUG_PHONE) { 753 log("(foregnd) hangup dialing or alerting..."); 754 } 755 } else { 756 if (Phone.DEBUG_PHONE) { 757 log("(foregnd) hangup foreground"); 758 } 759 //held call will be resumed by onCallTerminated 760 } 761 } else if (call == mBackgroundCall) { 762 if (Phone.DEBUG_PHONE) { 763 log("(backgnd) hangup waiting or background"); 764 } 765 } else { 766 throw new CallStateException ("ImsPhoneCall " + call + 767 "does not belong to ImsPhoneCallTracker " + this); 768 } 769 770 call.onHangupLocal(); 771 772 try { 773 if (imsCall != null) { 774 if (rejectCall) imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 775 else imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 776 } else if (mPendingMO != null && call == mForegroundCall) { 777 // is holding a foreground call 778 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 779 mPendingMO.onDisconnect(); 780 removeConnection(mPendingMO); 781 mPendingMO = null; 782 updatePhoneState(); 783 removeMessages(EVENT_DIAL_PENDINGMO); 784 } 785 } catch (ImsException e) { 786 throw new CallStateException(e.getMessage()); 787 } 788 789 mPhone.notifyPreciseCallStateChanged(); 790 } 791 792 void callEndCleanupHandOverCallIfAny() { 793 if (mHandoverCall.mConnections.size() > 0) { 794 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 795 + mHandoverCall.mConnections); 796 mHandoverCall.mConnections.clear(); 797 mState = PhoneConstants.State.IDLE; 798 } 799 } 800 801 /* package */ 802 void resumeWaitingOrHolding() throws CallStateException { 803 if (DBG) log("resumeWaitingOrHolding"); 804 805 try { 806 if (mForegroundCall.getState().isAlive()) { 807 //resume foreground call after holding background call 808 //they were switched before holding 809 ImsCall imsCall = mForegroundCall.getImsCall(); 810 if (imsCall != null) imsCall.resume(); 811 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 812 //accept waiting call after holding background call 813 ImsCall imsCall = mRingingCall.getImsCall(); 814 if (imsCall != null) imsCall.accept(ImsCallProfile.CALL_TYPE_VOICE); 815 } else { 816 //Just resume background call. 817 //To distinguish resuming call with swapping calls 818 //we do not switch calls.here 819 //ImsPhoneConnection.update will chnage the parent when completed 820 ImsCall imsCall = mBackgroundCall.getImsCall(); 821 if (imsCall != null) imsCall.resume(); 822 } 823 } catch (ImsException e) { 824 throw new CallStateException(e.getMessage()); 825 } 826 } 827 828 /* package */ 829 void sendUSSD (String ussdString, Message response) { 830 if (DBG) log("sendUSSD"); 831 832 try { 833 if (mUssdSession != null) { 834 mUssdSession.sendUssd(ussdString); 835 AsyncResult.forMessage(response, null, null); 836 response.sendToTarget(); 837 return; 838 } 839 840 String[] callees = new String[] { ussdString }; 841 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 842 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 843 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 844 ImsCallProfile.DIALSTRING_USSD); 845 846 mUssdSession = mImsManager.makeCall(mServiceId, profile, 847 callees, mImsUssdListener); 848 } catch (ImsException e) { 849 loge("sendUSSD : " + e); 850 mPhone.sendErrorResponse(response, e); 851 } 852 } 853 854 /* package */ 855 void cancelUSSD() { 856 if (mUssdSession == null) return; 857 858 try { 859 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 860 } catch (ImsException e) { 861 } 862 863 } 864 865 private synchronized ImsPhoneConnection findConnection(ImsCall imsCall) { 866 for (ImsPhoneConnection conn : mConnections) { 867 if (conn.getImsCall() == imsCall) { 868 return conn; 869 } 870 } 871 return null; 872 } 873 874 private synchronized void removeConnection(ImsPhoneConnection conn) { 875 mConnections.remove(conn); 876 } 877 878 private synchronized void addConnection(ImsPhoneConnection conn) { 879 mConnections.add(conn); 880 } 881 882 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 883 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 884 885 if (imsCall == null) return; 886 887 boolean changed = false; 888 ImsPhoneConnection conn = findConnection(imsCall); 889 890 if (conn == null) { 891 // TODO : what should be done? 892 return; 893 } 894 895 changed = conn.update(imsCall, state); 896 897 if (state == ImsPhoneCall.State.DISCONNECTED) { 898 changed = conn.onDisconnect(cause) || changed; 899 //detach the disconnected connections 900 conn.getCall().detach(conn); 901 removeConnection(conn); 902 } 903 904 if (changed) { 905 if (conn.getCall() == mHandoverCall) return; 906 updatePhoneState(); 907 mPhone.notifyPreciseCallStateChanged(); 908 } 909 } 910 911 private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 912 int cause = DisconnectCause.ERROR_UNSPECIFIED; 913 914 //int type = reasonInfo.getReasonType(); 915 int code = reasonInfo.getCode(); 916 switch (code) { 917 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 918 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 919 return DisconnectCause.NUMBER_UNREACHABLE; 920 921 case ImsReasonInfo.CODE_SIP_BUSY: 922 return DisconnectCause.BUSY; 923 924 case ImsReasonInfo.CODE_USER_TERMINATED: 925 return DisconnectCause.LOCAL; 926 927 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 928 return DisconnectCause.INCOMING_REJECTED; 929 930 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 931 return DisconnectCause.NORMAL; 932 933 case ImsReasonInfo.CODE_SIP_REDIRECTED: 934 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 935 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 936 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 937 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 938 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 939 return DisconnectCause.SERVER_ERROR; 940 941 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 942 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 943 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 944 return DisconnectCause.SERVER_UNREACHABLE; 945 946 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 947 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 948 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 949 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 950 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 951 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 952 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 953 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 954 return DisconnectCause.OUT_OF_SERVICE; 955 956 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 957 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 958 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 959 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 960 return DisconnectCause.TIMED_OUT; 961 962 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 963 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 964 return DisconnectCause.POWER_OFF; 965 966 default: 967 } 968 969 return cause; 970 } 971 972 /** 973 * Listen to the IMS call state change 974 */ 975 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 976 @Override 977 public void onCallProgressing(ImsCall imsCall) { 978 if (DBG) log("onCallProgressing"); 979 980 mPendingMO = null; 981 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 982 DisconnectCause.NOT_DISCONNECTED); 983 } 984 985 @Override 986 public void onCallStarted(ImsCall imsCall) { 987 if (DBG) log("onCallStarted"); 988 989 mPendingMO = null; 990 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 991 DisconnectCause.NOT_DISCONNECTED); 992 } 993 994 /** 995 * onCallStartFailed will be invoked when: 996 * case 1) Dialing fails 997 * case 2) Ringing call is disconnected by local or remote user 998 */ 999 @Override 1000 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1001 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1002 1003 if (mPendingMO != null) { 1004 // To initiate dialing circuit-switched call 1005 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 1006 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 1007 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 1008 mForegroundCall.detach(mPendingMO); 1009 removeConnection(mPendingMO); 1010 mPendingMO.finalize(); 1011 mPendingMO = null; 1012 mPhone.initiateSilentRedial(); 1013 return; 1014 } else { 1015 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1016 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1017 } 1018 mPendingMO = null; 1019 } 1020 } 1021 1022 @Override 1023 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1024 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 1025 1026 ImsPhoneCall.State oldState = mForegroundCall.getState(); 1027 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1028 ImsPhoneConnection conn = findConnection(imsCall); 1029 if (DBG) log("cause = " + cause + " conn = " + conn); 1030 1031 if (conn != null && conn.isIncoming() && conn.getConnectTime() == 0) { 1032 // Missed 1033 if (cause == DisconnectCause.NORMAL) { 1034 cause = DisconnectCause.INCOMING_MISSED; 1035 } 1036 if (DBG) log("Incoming connection of 0 connect time detected - translated cause = " 1037 + cause); 1038 1039 } 1040 1041 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 1042 // Call was terminated while it is merged instead of a remote disconnect. 1043 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 1044 } 1045 1046 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1047 } 1048 1049 @Override 1050 public void onCallHeld(ImsCall imsCall) { 1051 if (DBG) log("onCallHeld"); 1052 1053 synchronized (mSyncHold) { 1054 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 1055 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 1056 DisconnectCause.NOT_DISCONNECTED); 1057 1058 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 1059 // processCallStateChange above may have caused the mBackgroundCall and 1060 // mForegroundCall references below to change meaning. Watch out for this if you 1061 // are reading through this code. 1062 if (oldState == ImsPhoneCall.State.ACTIVE) { 1063 // Note: This case comes up when we have just held a call in response to a 1064 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 1065 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 1066 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 1067 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 1068 1069 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 1070 } else { 1071 //when multiple connections belong to background call, 1072 //only the first callback reaches here 1073 //otherwise the oldState is already HOLDING 1074 if (mPendingMO != null) { 1075 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1076 } 1077 1078 // In this case there will be no call resumed, so we can assume that we 1079 // are done switching fg and bg calls now. 1080 // This may happen if there is no BG call and we are holding a call so that 1081 // we can dial another one. 1082 mSwitchingFgAndBgCalls = false; 1083 } 1084 } 1085 } 1086 } 1087 1088 @Override 1089 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1090 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 1091 1092 synchronized (mSyncHold) { 1093 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 1094 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 1095 // disconnected while processing hold 1096 if (mPendingMO != null) { 1097 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1098 } 1099 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 1100 mForegroundCall.switchWith(mBackgroundCall); 1101 1102 if (mPendingMO != null) { 1103 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1104 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1105 } 1106 } 1107 } 1108 } 1109 1110 @Override 1111 public void onCallResumed(ImsCall imsCall) { 1112 if (DBG) log("onCallResumed"); 1113 1114 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 1115 // is not the one we expected, we likely had a resume failure and we need to swap the 1116 // FG and BG calls back. 1117 if (mSwitchingFgAndBgCalls && imsCall != mCallExpectedToResume) { 1118 mForegroundCall.switchWith(mBackgroundCall); 1119 mSwitchingFgAndBgCalls = false; 1120 mCallExpectedToResume = null; 1121 } 1122 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1123 DisconnectCause.NOT_DISCONNECTED); 1124 } 1125 1126 @Override 1127 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1128 // TODO : What should be done? 1129 // If we are in the midst of swapping the FG and BG calls and we got a resume fail, we 1130 // need to swap back the FG and BG calls. 1131 if (mSwitchingFgAndBgCalls && imsCall == mCallExpectedToResume) { 1132 mForegroundCall.switchWith(mBackgroundCall); 1133 mCallExpectedToResume = null; 1134 mSwitchingFgAndBgCalls = false; 1135 } 1136 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 1137 } 1138 1139 @Override 1140 public void onCallResumeReceived(ImsCall imsCall) { 1141 if (DBG) log("onCallResumeReceived"); 1142 1143 if (mOnHoldToneStarted) { 1144 mPhone.stopOnHoldTone(); 1145 mOnHoldToneStarted = false; 1146 } 1147 } 1148 1149 @Override 1150 public void onCallHoldReceived(ImsCall imsCall) { 1151 if (DBG) log("onCallHoldReceived"); 1152 1153 ImsPhoneConnection conn = findConnection(imsCall); 1154 if (conn != null && conn.getState() == ImsPhoneCall.State.ACTIVE) { 1155 if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall)) { 1156 mPhone.startOnHoldTone(); 1157 mOnHoldToneStarted = true; 1158 } 1159 } 1160 } 1161 1162 @Override 1163 public void onCallMerged(ImsCall call, boolean swapCalls) { 1164 if (DBG) log("onCallMerged"); 1165 1166 mForegroundCall.merge(mBackgroundCall, mForegroundCall.getState()); 1167 if (swapCalls) { 1168 try { 1169 switchWaitingOrHoldingAndActive(); 1170 } catch (CallStateException e) { 1171 if (Phone.DEBUG_PHONE) { 1172 loge("Failed swap fg and bg calls on merge exception=" + e); 1173 } 1174 } 1175 } 1176 updatePhoneState(); 1177 mPhone.notifyPreciseCallStateChanged(); 1178 } 1179 1180 @Override 1181 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 1182 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 1183 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 1184 } 1185 1186 /** 1187 * Called when the state of IMS conference participant(s) has changed. 1188 * 1189 * @param call the call object that carries out the IMS call. 1190 * @param participants the participant(s) and their new state information. 1191 */ 1192 @Override 1193 public void onConferenceParticipantsStateChanged(ImsCall call, 1194 List<ConferenceParticipant> participants) { 1195 if (DBG) log("onConferenceParticipantsStateChanged"); 1196 1197 ImsPhoneConnection conn = findConnection(call); 1198 if (conn != null) { 1199 conn.updateConferenceParticipants(participants); 1200 } 1201 } 1202 1203 @Override 1204 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 1205 mPhone.onTtyModeReceived(mode); 1206 } 1207 }; 1208 1209 /** 1210 * Listen to the IMS call state change 1211 */ 1212 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 1213 @Override 1214 public void onCallStarted(ImsCall imsCall) { 1215 if (DBG) log("mImsUssdListener onCallStarted"); 1216 1217 if (imsCall == mUssdSession) { 1218 if (mPendingUssd != null) { 1219 AsyncResult.forMessage(mPendingUssd); 1220 mPendingUssd.sendToTarget(); 1221 mPendingUssd = null; 1222 } 1223 } 1224 } 1225 1226 @Override 1227 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1228 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1229 1230 onCallTerminated(imsCall, reasonInfo); 1231 } 1232 1233 @Override 1234 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1235 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 1236 1237 if (imsCall == mUssdSession) { 1238 mUssdSession = null; 1239 if (mPendingUssd != null) { 1240 CommandException ex = 1241 new CommandException(CommandException.Error.GENERIC_FAILURE); 1242 AsyncResult.forMessage(mPendingUssd, null, ex); 1243 mPendingUssd.sendToTarget(); 1244 mPendingUssd = null; 1245 } 1246 } 1247 imsCall.close(); 1248 } 1249 1250 @Override 1251 public void onCallUssdMessageReceived(ImsCall call, 1252 int mode, String ussdMessage) { 1253 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 1254 1255 int ussdMode = -1; 1256 1257 switch(mode) { 1258 case ImsCall.USSD_MODE_REQUEST: 1259 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 1260 break; 1261 1262 case ImsCall.USSD_MODE_NOTIFY: 1263 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 1264 break; 1265 } 1266 1267 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 1268 } 1269 }; 1270 1271 /** 1272 * Listen to the IMS service state change 1273 * 1274 */ 1275 private ImsConnectionStateListener mImsConnectionStateListener = 1276 new ImsConnectionStateListener() { 1277 @Override 1278 public void onImsConnected() { 1279 if (DBG) log("onImsConnected"); 1280 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1281 mPhone.setImsRegistered(true); 1282 } 1283 1284 @Override 1285 public void onImsDisconnected() { 1286 if (DBG) log("onImsDisconnected"); 1287 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1288 mPhone.setImsRegistered(false); 1289 } 1290 1291 @Override 1292 public void onImsResumed() { 1293 if (DBG) log("onImsResumed"); 1294 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1295 } 1296 1297 @Override 1298 public void onImsSuspended() { 1299 if (DBG) log("onImsSuspended"); 1300 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1301 } 1302 1303 @Override 1304 public void onFeatureCapabilityChanged(int serviceClass, 1305 int[] enabledFeatures, int[] disabledFeatures) { 1306 if (serviceClass == ImsServiceClass.MMTEL) { 1307 if (enabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE] == 1308 ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE) { 1309 mIsVolteEnabled = true; 1310 } 1311 if (enabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] == 1312 ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE) { 1313 mIsVtEnabled = true; 1314 } 1315 if (disabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE] == 1316 ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE) { 1317 mIsVolteEnabled = false; 1318 } 1319 if (disabledFeatures[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] == 1320 ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE) { 1321 mIsVtEnabled = false; 1322 } 1323 } 1324 if (DBG) log("onFeatureCapabilityChanged, mIsVolteEnabled = " + mIsVolteEnabled 1325 + " mIsVtEnabled = " + mIsVtEnabled); 1326 } 1327 }; 1328 1329 /* package */ 1330 ImsUtInterface getUtInterface() throws ImsException { 1331 if (mImsManager == null) { 1332 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1333 } 1334 1335 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(mServiceId); 1336 return ut; 1337 } 1338 1339 private void transferHandoverConnections(ImsPhoneCall call) { 1340 if (call.mConnections != null) { 1341 for (Connection c : call.mConnections) { 1342 c.mPreHandoverState = call.mState; 1343 log ("Connection state before handover is " + c.getStateBeforeHandover()); 1344 } 1345 } 1346 if (mHandoverCall.mConnections == null ) { 1347 mHandoverCall.mConnections = call.mConnections; 1348 } else { // Multi-call SRVCC 1349 mHandoverCall.mConnections.addAll(call.mConnections); 1350 } 1351 if (mHandoverCall.mConnections != null) { 1352 if (call.getImsCall() != null) { 1353 call.getImsCall().close(); 1354 } 1355 for (Connection c : mHandoverCall.mConnections) { 1356 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 1357 ((ImsPhoneConnection)c).releaseWakeLock(); 1358 } 1359 } 1360 if (call.getState().isAlive()) { 1361 log ("Call is alive and state is " + call.mState); 1362 mHandoverCall.mState = call.mState; 1363 } 1364 call.mConnections.clear(); 1365 call.mState = ImsPhoneCall.State.IDLE; 1366 } 1367 1368 /* package */ 1369 void notifySrvccState(Call.SrvccState state) { 1370 if (DBG) log("notifySrvccState state=" + state); 1371 1372 mSrvccState = state; 1373 1374 if (mSrvccState == Call.SrvccState.COMPLETED) { 1375 transferHandoverConnections(mForegroundCall); 1376 transferHandoverConnections(mBackgroundCall); 1377 transferHandoverConnections(mRingingCall); 1378 } 1379 } 1380 1381 //****** Overridden from Handler 1382 1383 @Override 1384 public void 1385 handleMessage (Message msg) { 1386 AsyncResult ar; 1387 if (DBG) log("handleMessage what=" + msg.what); 1388 1389 switch (msg.what) { 1390 case EVENT_HANGUP_PENDINGMO: 1391 if (mPendingMO != null) { 1392 mPendingMO.onDisconnect(); 1393 removeConnection(mPendingMO); 1394 mPendingMO = null; 1395 } 1396 1397 updatePhoneState(); 1398 mPhone.notifyPreciseCallStateChanged(); 1399 break; 1400 case EVENT_RESUME_BACKGROUND: 1401 try { 1402 resumeWaitingOrHolding(); 1403 } catch (CallStateException e) { 1404 if (Phone.DEBUG_PHONE) { 1405 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 1406 } 1407 } 1408 break; 1409 case EVENT_DIAL_PENDINGMO: 1410 dialInternal(mPendingMO, mClirMode, VideoProfile.VideoState.AUDIO_ONLY); 1411 break; 1412 1413 case EVENT_EXIT_ECM_RESPONSE_CDMA: 1414 // no matter the result, we still do the same here 1415 if (pendingCallInEcm) { 1416 dialInternal(mPendingMO, pendingCallClirMode, pendingCallVideoState); 1417 pendingCallInEcm = false; 1418 } 1419 mPhone.unsetOnEcbModeExitResponse(this); 1420 break; 1421 } 1422 } 1423 1424 @Override 1425 protected void log(String msg) { 1426 Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1427 } 1428 1429 protected void loge(String msg) { 1430 Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1431 } 1432 1433 @Override 1434 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1435 pw.println("ImsPhoneCallTracker extends:"); 1436 super.dump(fd, pw, args); 1437 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 1438 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 1439 pw.println(" mRingingCall=" + mRingingCall); 1440 pw.println(" mForegroundCall=" + mForegroundCall); 1441 pw.println(" mBackgroundCall=" + mBackgroundCall); 1442 pw.println(" mHandoverCall=" + mHandoverCall); 1443 pw.println(" mPendingMO=" + mPendingMO); 1444 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 1445 pw.println(" mPhone=" + mPhone); 1446 pw.println(" mDesiredMute=" + mDesiredMute); 1447 pw.println(" mState=" + mState); 1448 } 1449 1450 @Override 1451 protected void handlePollCalls(AsyncResult ar) { 1452 } 1453 1454 /* package */ 1455 ImsEcbm getEcbmInterface() throws ImsException { 1456 if (mImsManager == null) { 1457 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1458 } 1459 1460 ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId); 1461 return ecbm; 1462 } 1463 1464 public boolean isInEmergencyCall() { 1465 return mIsInEmergencyCall; 1466 } 1467 1468 public boolean isVolteEnabled() { 1469 return mIsVolteEnabled; 1470 } 1471 1472 public boolean isVtEnabled() { 1473 return mIsVtEnabled; 1474 } 1475 @Override 1476 public PhoneConstants.State getState() { 1477 return mState; 1478 } 1479 } 1480