ImsPhoneCallTracker.java revision 288268d5528e0df03f348e303954813cb188c55b
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[] mImsFeatureEnabled = {false, false, false, false}; 78 79 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 80 @Override 81 public void onReceive(Context context, Intent intent) { 82 if (intent.getAction().equals(ImsManager.ACTION_IMS_INCOMING_CALL)) { 83 if (DBG) log("onReceive : incoming call intent"); 84 85 if (mImsManager == null) return; 86 87 if (mServiceId < 0) return; 88 89 try { 90 // Network initiated USSD will be treated by mImsUssdListener 91 boolean isUssd = intent.getBooleanExtra(ImsManager.EXTRA_USSD, false); 92 if (isUssd) { 93 if (DBG) log("onReceive : USSD"); 94 mUssdSession = mImsManager.takeCall(mServiceId, intent, mImsUssdListener); 95 if (mUssdSession != null) { 96 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 97 } 98 return; 99 } 100 101 // Normal MT call 102 ImsCall imsCall = mImsManager.takeCall(mServiceId, intent, mImsCallListener); 103 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone.getContext(), imsCall, 104 ImsPhoneCallTracker.this, mRingingCall); 105 addConnection(conn); 106 107 setVideoCallProvider(conn, imsCall); 108 109 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) || 110 (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 111 conn.update(imsCall, ImsPhoneCall.State.WAITING); 112 } 113 114 mPhone.notifyNewRingingConnection(conn); 115 mPhone.notifyIncomingRing(); 116 117 updatePhoneState(); 118 mPhone.notifyPreciseCallStateChanged(); 119 } catch (ImsException e) { 120 loge("onReceive : exception " + e); 121 } catch (RemoteException e) { 122 } 123 } 124 } 125 }; 126 127 //***** Constants 128 129 static final int MAX_CONNECTIONS = 7; 130 static final int MAX_CONNECTIONS_PER_CALL = 5; 131 132 private static final int EVENT_HANGUP_PENDINGMO = 18; 133 private static final int EVENT_RESUME_BACKGROUND = 19; 134 private static final int EVENT_DIAL_PENDINGMO = 20; 135 136 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 137 138 //***** Instance Variables 139 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 140 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 141 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 142 143 ImsPhoneCall mRingingCall = new ImsPhoneCall(this); 144 ImsPhoneCall mForegroundCall = new ImsPhoneCall(this); 145 ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this); 146 ImsPhoneCall mHandoverCall = new ImsPhoneCall(this); 147 148 private ImsPhoneConnection mPendingMO; 149 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 150 private Object mSyncHold = new Object(); 151 152 private ImsCall mUssdSession = null; 153 private Message mPendingUssd = null; 154 155 ImsPhone mPhone; 156 157 private boolean mDesiredMute = false; // false = mute off 158 private boolean mOnHoldToneStarted = false; 159 160 PhoneConstants.State mState = PhoneConstants.State.IDLE; 161 162 private ImsManager mImsManager; 163 private int mServiceId = -1; 164 165 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 166 167 private boolean mIsInEmergencyCall = false; 168 169 private int pendingCallClirMode; 170 private int mPendingCallVideoState; 171 private boolean pendingCallInEcm = false; 172 private boolean mSwitchingFgAndBgCalls = false; 173 private ImsCall mCallExpectedToResume = null; 174 175 //***** Events 176 177 178 //***** Constructors 179 180 ImsPhoneCallTracker(ImsPhone phone) { 181 this.mPhone = phone; 182 183 IntentFilter intentfilter = new IntentFilter(); 184 intentfilter.addAction(ImsManager.ACTION_IMS_INCOMING_CALL); 185 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 186 187 Thread t = new Thread() { 188 public void run() { 189 getImsService(); 190 } 191 }; 192 t.start(); 193 } 194 195 private PendingIntent createIncomingCallPendingIntent() { 196 Intent intent = new Intent(ImsManager.ACTION_IMS_INCOMING_CALL); 197 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 198 return PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 199 PendingIntent.FLAG_UPDATE_CURRENT); 200 } 201 202 private void getImsService() { 203 if (DBG) log("getImsService"); 204 mImsManager = ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()); 205 try { 206 mServiceId = mImsManager.open(ImsServiceClass.MMTEL, 207 createIncomingCallPendingIntent(), 208 mImsConnectionStateListener); 209 210 // Get the ECBM interface and set IMSPhone's listener object for notifications 211 getEcbmInterface().setEcbmStateListener(mPhone.mImsEcbmStateListener); 212 if (mPhone.isInEcm()) { 213 // Call exit ECBM which will invoke onECBMExited 214 mPhone.exitEmergencyCallbackMode(); 215 } 216 int mPreferredTtyMode = Settings.Secure.getInt( 217 mPhone.getContext().getContentResolver(), 218 Settings.Secure.PREFERRED_TTY_MODE, 219 Phone.TTY_MODE_OFF); 220 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, mPreferredTtyMode, null); 221 222 } catch (ImsException e) { 223 loge("getImsService: " + e); 224 //Leave mImsManager as null, then CallStateException will be thrown when dialing 225 mImsManager = null; 226 } 227 } 228 229 public void dispose() { 230 if (DBG) log("dispose"); 231 mRingingCall.dispose(); 232 mBackgroundCall.dispose(); 233 mForegroundCall.dispose(); 234 mHandoverCall.dispose(); 235 236 clearDisconnected(); 237 mPhone.getContext().unregisterReceiver(mReceiver); 238 } 239 240 @Override 241 protected void finalize() { 242 log("ImsPhoneCallTracker finalized"); 243 } 244 245 //***** Instance Methods 246 247 //***** Public Methods 248 @Override 249 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 250 Registrant r = new Registrant(h, what, obj); 251 mVoiceCallStartedRegistrants.add(r); 252 } 253 254 @Override 255 public void unregisterForVoiceCallStarted(Handler h) { 256 mVoiceCallStartedRegistrants.remove(h); 257 } 258 259 @Override 260 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 261 Registrant r = new Registrant(h, what, obj); 262 mVoiceCallEndedRegistrants.add(r); 263 } 264 265 @Override 266 public void unregisterForVoiceCallEnded(Handler h) { 267 mVoiceCallEndedRegistrants.remove(h); 268 } 269 270 Connection 271 dial(String dialString, int videoState) throws CallStateException { 272 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 273 int oirMode = sp.getInt(PhoneBase.CLIR_KEY, CommandsInterface.CLIR_DEFAULT); 274 return dial(dialString, oirMode, videoState); 275 } 276 277 /** 278 * oirMode is one of the CLIR_ constants 279 */ 280 synchronized Connection 281 dial(String dialString, int clirMode, int videoState) throws CallStateException { 282 boolean isPhoneInEcmMode = SystemProperties.getBoolean( 283 TelephonyProperties.PROPERTY_INECM_MODE, false); 284 boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString); 285 286 if (DBG) log("dial clirMode=" + clirMode); 287 288 // note that this triggers call state changed notif 289 clearDisconnected(); 290 291 if (mImsManager == null) { 292 throw new CallStateException("service not available"); 293 } 294 295 if (!canDial()) { 296 throw new CallStateException("cannot dial in current state"); 297 } 298 299 if (isPhoneInEcmMode && isEmergencyNumber) { 300 handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER); 301 } 302 303 boolean holdBeforeDial = false; 304 305 // The new call must be assigned to the foreground call. 306 // That call must be idle, so place anything that's 307 // there on hold 308 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 309 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 310 //we should have failed in !canDial() above before we get here 311 throw new CallStateException("cannot dial in current state"); 312 } 313 // foreground call is empty for the newly dialed connection 314 holdBeforeDial = true; 315 // Cache the video state for pending MO call. 316 mPendingCallVideoState = videoState; 317 switchWaitingOrHoldingAndActive(); 318 } 319 320 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 321 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 322 323 mClirMode = clirMode; 324 325 synchronized (mSyncHold) { 326 if (holdBeforeDial) { 327 fgState = mForegroundCall.getState(); 328 bgState = mBackgroundCall.getState(); 329 330 //holding foreground call failed 331 if (fgState == ImsPhoneCall.State.ACTIVE) { 332 throw new CallStateException("cannot dial in current state"); 333 } 334 335 //holding foreground call succeeded 336 if (bgState == ImsPhoneCall.State.HOLDING) { 337 holdBeforeDial = false; 338 } 339 } 340 341 mPendingMO = new ImsPhoneConnection(mPhone.getContext(), 342 checkForTestEmergencyNumber(dialString), this, mForegroundCall); 343 } 344 addConnection(mPendingMO); 345 346 if (!holdBeforeDial) { 347 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 348 dialInternal(mPendingMO, clirMode, videoState); 349 } else { 350 try { 351 getEcbmInterface().exitEmergencyCallbackMode(); 352 } catch (ImsException e) { 353 e.printStackTrace(); 354 throw new CallStateException("service not available"); 355 } 356 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 357 pendingCallClirMode = clirMode; 358 mPendingCallVideoState = videoState; 359 pendingCallInEcm = true; 360 } 361 } 362 363 updatePhoneState(); 364 mPhone.notifyPreciseCallStateChanged(); 365 366 return mPendingMO; 367 } 368 369 private void handleEcmTimer(int action) { 370 mPhone.handleTimerInEmergencyCallbackMode(action); 371 switch (action) { 372 case ImsPhone.CANCEL_ECM_TIMER: 373 break; 374 case ImsPhone.RESTART_ECM_TIMER: 375 break; 376 default: 377 log("handleEcmTimer, unsupported action " + action); 378 } 379 } 380 381 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState) { 382 if (conn == null) { 383 return; 384 } 385 386 if (conn.getAddress()== null || conn.getAddress().length() == 0 387 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) { 388 // Phone number is invalid 389 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 390 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 391 return; 392 } 393 394 // Always unmute when initiating a new call 395 setMute(false); 396 int serviceType = PhoneNumberUtils.isEmergencyNumber(conn.getAddress()) ? 397 ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 398 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 399 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 400 conn.setVideoState(videoState); 401 402 try { 403 String[] callees = new String[] { conn.getAddress() }; 404 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 405 serviceType, callType); 406 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 407 408 ImsCall imsCall = mImsManager.makeCall(mServiceId, profile, 409 callees, mImsCallListener); 410 conn.setImsCall(imsCall); 411 412 setVideoCallProvider(conn, imsCall); 413 } catch (ImsException e) { 414 loge("dialInternal : " + e); 415 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 416 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 417 } catch (RemoteException e) { 418 } 419 } 420 421 /** 422 * Accepts a call with the specified video state. The video state is the video state that the 423 * user has agreed upon in the InCall UI. 424 * 425 * @param videoState The video State 426 * @throws CallStateException 427 */ 428 void acceptCall (int videoState) throws CallStateException { 429 if (DBG) log("acceptCall"); 430 431 if (mForegroundCall.getState().isAlive() 432 && mBackgroundCall.getState().isAlive()) { 433 throw new CallStateException("cannot accept call"); 434 } 435 436 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 437 && mForegroundCall.getState().isAlive()) { 438 setMute(false); 439 // Cache video state for pending MT call. 440 mPendingCallVideoState = videoState; 441 switchWaitingOrHoldingAndActive(); 442 } else if (mRingingCall.getState().isRinging()) { 443 if (DBG) log("acceptCall: incoming..."); 444 // Always unmute when answering a new call 445 setMute(false); 446 try { 447 ImsCall imsCall = mRingingCall.getImsCall(); 448 if (imsCall != null) { 449 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 450 } else { 451 throw new CallStateException("no valid ims call"); 452 } 453 } catch (ImsException e) { 454 throw new CallStateException("cannot accept call"); 455 } 456 } else { 457 throw new CallStateException("phone not ringing"); 458 } 459 } 460 461 void 462 rejectCall () throws CallStateException { 463 if (DBG) log("rejectCall"); 464 465 if (mRingingCall.getState().isRinging()) { 466 hangup(mRingingCall); 467 } else { 468 throw new CallStateException("phone not ringing"); 469 } 470 } 471 472 void 473 switchWaitingOrHoldingAndActive() throws CallStateException { 474 if (DBG) log("switchWaitingOrHoldingAndActive"); 475 476 if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) { 477 throw new CallStateException("cannot be in the incoming state"); 478 } 479 480 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 481 ImsCall imsCall = mForegroundCall.getImsCall(); 482 if (imsCall == null) { 483 throw new CallStateException("no ims call"); 484 } 485 486 // Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls. 487 // If hold or resume later fails, we will swap them back. 488 mSwitchingFgAndBgCalls = true; 489 mCallExpectedToResume = mBackgroundCall.getImsCall(); 490 mForegroundCall.switchWith(mBackgroundCall); 491 492 // Hold the foreground call; once the foreground call is held, the background call will 493 // be resumed. 494 try { 495 imsCall.hold(); 496 } catch (ImsException e) { 497 mForegroundCall.switchWith(mBackgroundCall); 498 throw new CallStateException(e.getMessage()); 499 } 500 } else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 501 resumeWaitingOrHolding(); 502 } 503 } 504 505 void 506 conference() { 507 if (DBG) log("conference"); 508 509 ImsCall fgImsCall = mForegroundCall.getImsCall(); 510 if (fgImsCall == null) { 511 log("conference no foreground ims call"); 512 return; 513 } 514 515 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 516 if (bgImsCall == null) { 517 log("conference no background ims call"); 518 return; 519 } 520 521 // Keep track of the connect time of the earliest call so that it can be set on the 522 // {@code ImsConference} when it is created. 523 long conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 524 mBackgroundCall.getEarliestConnectTime()); 525 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 526 if (foregroundConnection != null) { 527 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 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 void callEndCleanupHandOverCallIfAny() { 784 if (mHandoverCall.mConnections.size() > 0) { 785 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 786 + mHandoverCall.mConnections); 787 mHandoverCall.mConnections.clear(); 788 mState = PhoneConstants.State.IDLE; 789 } 790 } 791 792 /* package */ 793 void resumeWaitingOrHolding() throws CallStateException { 794 if (DBG) log("resumeWaitingOrHolding"); 795 796 try { 797 if (mForegroundCall.getState().isAlive()) { 798 //resume foreground call after holding background call 799 //they were switched before holding 800 ImsCall imsCall = mForegroundCall.getImsCall(); 801 if (imsCall != null) imsCall.resume(); 802 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 803 //accept waiting call after holding background call 804 ImsCall imsCall = mRingingCall.getImsCall(); 805 if (imsCall != null) { 806 imsCall.accept( 807 ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState)); 808 } 809 } else { 810 //Just resume background call. 811 //To distinguish resuming call with swapping calls 812 //we do not switch calls.here 813 //ImsPhoneConnection.update will chnage the parent when completed 814 ImsCall imsCall = mBackgroundCall.getImsCall(); 815 if (imsCall != null) imsCall.resume(); 816 } 817 } catch (ImsException e) { 818 throw new CallStateException(e.getMessage()); 819 } 820 } 821 822 /* package */ 823 void sendUSSD (String ussdString, Message response) { 824 if (DBG) log("sendUSSD"); 825 826 try { 827 if (mUssdSession != null) { 828 mUssdSession.sendUssd(ussdString); 829 AsyncResult.forMessage(response, null, null); 830 response.sendToTarget(); 831 return; 832 } 833 834 String[] callees = new String[] { ussdString }; 835 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 836 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 837 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 838 ImsCallProfile.DIALSTRING_USSD); 839 840 mUssdSession = mImsManager.makeCall(mServiceId, profile, 841 callees, mImsUssdListener); 842 } catch (ImsException e) { 843 loge("sendUSSD : " + e); 844 mPhone.sendErrorResponse(response, e); 845 } 846 } 847 848 /* package */ 849 void cancelUSSD() { 850 if (mUssdSession == null) return; 851 852 try { 853 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 854 } catch (ImsException e) { 855 } 856 857 } 858 859 private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) { 860 for (ImsPhoneConnection conn : mConnections) { 861 if (conn.getImsCall() == imsCall) { 862 return conn; 863 } 864 } 865 return null; 866 } 867 868 private synchronized void removeConnection(ImsPhoneConnection conn) { 869 mConnections.remove(conn); 870 } 871 872 private synchronized void addConnection(ImsPhoneConnection conn) { 873 mConnections.add(conn); 874 } 875 876 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 877 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 878 879 if (imsCall == null) return; 880 881 boolean changed = false; 882 ImsPhoneConnection conn = findConnection(imsCall); 883 884 if (conn == null) { 885 // TODO : what should be done? 886 return; 887 } 888 889 changed = conn.update(imsCall, state); 890 891 if (state == ImsPhoneCall.State.DISCONNECTED) { 892 changed = conn.onDisconnect(cause) || changed; 893 //detach the disconnected connections 894 conn.getCall().detach(conn); 895 removeConnection(conn); 896 } 897 898 if (changed) { 899 if (conn.getCall() == mHandoverCall) return; 900 updatePhoneState(); 901 mPhone.notifyPreciseCallStateChanged(); 902 } 903 } 904 905 private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 906 int cause = DisconnectCause.ERROR_UNSPECIFIED; 907 908 //int type = reasonInfo.getReasonType(); 909 int code = reasonInfo.getCode(); 910 switch (code) { 911 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 912 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 913 return DisconnectCause.NUMBER_UNREACHABLE; 914 915 case ImsReasonInfo.CODE_SIP_BUSY: 916 return DisconnectCause.BUSY; 917 918 case ImsReasonInfo.CODE_USER_TERMINATED: 919 return DisconnectCause.LOCAL; 920 921 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 922 return DisconnectCause.INCOMING_REJECTED; 923 924 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 925 return DisconnectCause.NORMAL; 926 927 case ImsReasonInfo.CODE_SIP_REDIRECTED: 928 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 929 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 930 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 931 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 932 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 933 return DisconnectCause.SERVER_ERROR; 934 935 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 936 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 937 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 938 return DisconnectCause.SERVER_UNREACHABLE; 939 940 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 941 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 942 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 943 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 944 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 945 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 946 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 947 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 948 return DisconnectCause.OUT_OF_SERVICE; 949 950 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 951 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 952 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 953 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 954 return DisconnectCause.TIMED_OUT; 955 956 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 957 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 958 return DisconnectCause.POWER_OFF; 959 960 default: 961 } 962 963 return cause; 964 } 965 966 /** 967 * Listen to the IMS call state change 968 */ 969 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 970 @Override 971 public void onCallProgressing(ImsCall imsCall) { 972 if (DBG) log("onCallProgressing"); 973 974 mPendingMO = null; 975 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 976 DisconnectCause.NOT_DISCONNECTED); 977 } 978 979 @Override 980 public void onCallStarted(ImsCall imsCall) { 981 if (DBG) log("onCallStarted"); 982 983 mPendingMO = null; 984 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 985 DisconnectCause.NOT_DISCONNECTED); 986 } 987 988 @Override 989 public void onCallUpdated(ImsCall imsCall) { 990 if (DBG) log("onCallUpdated"); 991 if (imsCall == null) { 992 return; 993 } 994 ImsPhoneConnection conn = findConnection(imsCall); 995 if (conn != null) { 996 processCallStateChange(imsCall, conn.getCall().mState, 997 DisconnectCause.NOT_DISCONNECTED); 998 } 999 } 1000 1001 /** 1002 * onCallStartFailed will be invoked when: 1003 * case 1) Dialing fails 1004 * case 2) Ringing call is disconnected by local or remote user 1005 */ 1006 @Override 1007 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1008 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1009 1010 if (mPendingMO != null) { 1011 // To initiate dialing circuit-switched call 1012 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 1013 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 1014 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 1015 mForegroundCall.detach(mPendingMO); 1016 removeConnection(mPendingMO); 1017 mPendingMO.finalize(); 1018 mPendingMO = null; 1019 mPhone.initiateSilentRedial(); 1020 return; 1021 } else { 1022 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1023 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1024 } 1025 mPendingMO = null; 1026 } 1027 } 1028 1029 @Override 1030 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1031 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 1032 1033 ImsPhoneCall.State oldState = mForegroundCall.getState(); 1034 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1035 ImsPhoneConnection conn = findConnection(imsCall); 1036 if (DBG) log("cause = " + cause + " conn = " + conn); 1037 1038 if (conn != null && conn.isIncoming() && conn.getConnectTime() == 0) { 1039 // Missed 1040 if (cause == DisconnectCause.NORMAL) { 1041 cause = DisconnectCause.INCOMING_MISSED; 1042 } 1043 if (DBG) log("Incoming connection of 0 connect time detected - translated cause = " 1044 + cause); 1045 1046 } 1047 1048 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 1049 // Call was terminated while it is merged instead of a remote disconnect. 1050 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 1051 } 1052 1053 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1054 } 1055 1056 @Override 1057 public void onCallHeld(ImsCall imsCall) { 1058 if (DBG) log("onCallHeld"); 1059 1060 synchronized (mSyncHold) { 1061 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 1062 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 1063 DisconnectCause.NOT_DISCONNECTED); 1064 1065 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 1066 // processCallStateChange above may have caused the mBackgroundCall and 1067 // mForegroundCall references below to change meaning. Watch out for this if you 1068 // are reading through this code. 1069 if (oldState == ImsPhoneCall.State.ACTIVE) { 1070 // Note: This case comes up when we have just held a call in response to a 1071 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 1072 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 1073 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 1074 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 1075 1076 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 1077 } else { 1078 //when multiple connections belong to background call, 1079 //only the first callback reaches here 1080 //otherwise the oldState is already HOLDING 1081 if (mPendingMO != null) { 1082 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1083 } 1084 1085 // In this case there will be no call resumed, so we can assume that we 1086 // are done switching fg and bg calls now. 1087 // This may happen if there is no BG call and we are holding a call so that 1088 // we can dial another one. 1089 mSwitchingFgAndBgCalls = false; 1090 } 1091 } 1092 } 1093 } 1094 1095 @Override 1096 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1097 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 1098 1099 synchronized (mSyncHold) { 1100 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 1101 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 1102 // disconnected while processing hold 1103 if (mPendingMO != null) { 1104 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1105 } 1106 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 1107 mForegroundCall.switchWith(mBackgroundCall); 1108 1109 if (mPendingMO != null) { 1110 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1111 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1112 } 1113 } 1114 } 1115 } 1116 1117 @Override 1118 public void onCallResumed(ImsCall imsCall) { 1119 if (DBG) log("onCallResumed"); 1120 1121 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 1122 // is not the one we expected, we likely had a resume failure and we need to swap the 1123 // FG and BG calls back. 1124 if (mSwitchingFgAndBgCalls && imsCall != mCallExpectedToResume) { 1125 mForegroundCall.switchWith(mBackgroundCall); 1126 mSwitchingFgAndBgCalls = false; 1127 mCallExpectedToResume = null; 1128 } 1129 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1130 DisconnectCause.NOT_DISCONNECTED); 1131 } 1132 1133 @Override 1134 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1135 // TODO : What should be done? 1136 // If we are in the midst of swapping the FG and BG calls and we got a resume fail, we 1137 // need to swap back the FG and BG calls. 1138 if (mSwitchingFgAndBgCalls && imsCall == mCallExpectedToResume) { 1139 mForegroundCall.switchWith(mBackgroundCall); 1140 mCallExpectedToResume = null; 1141 mSwitchingFgAndBgCalls = false; 1142 } 1143 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 1144 } 1145 1146 @Override 1147 public void onCallResumeReceived(ImsCall imsCall) { 1148 if (DBG) log("onCallResumeReceived"); 1149 1150 if (mOnHoldToneStarted) { 1151 mPhone.stopOnHoldTone(); 1152 mOnHoldToneStarted = false; 1153 } 1154 } 1155 1156 @Override 1157 public void onCallHoldReceived(ImsCall imsCall) { 1158 if (DBG) log("onCallHoldReceived"); 1159 1160 ImsPhoneConnection conn = findConnection(imsCall); 1161 if (conn != null && conn.getState() == ImsPhoneCall.State.ACTIVE) { 1162 if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall)) { 1163 mPhone.startOnHoldTone(); 1164 mOnHoldToneStarted = true; 1165 } 1166 } 1167 } 1168 1169 @Override 1170 public void onCallMerged(final ImsCall call, boolean swapCalls) { 1171 if (DBG) log("onCallMerged"); 1172 1173 mForegroundCall.merge(mBackgroundCall, mForegroundCall.getState()); 1174 if (swapCalls) { 1175 try { 1176 switchWaitingOrHoldingAndActive(); 1177 } catch (CallStateException e) { 1178 if (Phone.DEBUG_PHONE) { 1179 loge("Failed swap fg and bg calls on merge exception=" + e); 1180 } 1181 } 1182 } 1183 // TODO Temporary code. Remove the try-catch block from the runnable once thread 1184 // synchronization is fixed. 1185 Runnable r = new Runnable() { 1186 @Override 1187 public void run() { 1188 try { 1189 final ImsPhoneConnection conn = findConnection(call); 1190 log("onCallMerged: ImsPhoneConnection=" + conn); 1191 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 1192 setVideoCallProvider(conn, call); 1193 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 1194 } catch (Exception e) { 1195 loge("onCallMerged: exception " + e); 1196 } 1197 } 1198 }; 1199 1200 ImsPhoneCallTracker.this.post(r); 1201 1202 updatePhoneState(); 1203 mPhone.notifyPreciseCallStateChanged(); 1204 } 1205 1206 @Override 1207 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 1208 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 1209 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 1210 } 1211 1212 /** 1213 * Called when the state of IMS conference participant(s) has changed. 1214 * 1215 * @param call the call object that carries out the IMS call. 1216 * @param participants the participant(s) and their new state information. 1217 */ 1218 @Override 1219 public void onConferenceParticipantsStateChanged(ImsCall call, 1220 List<ConferenceParticipant> participants) { 1221 if (DBG) log("onConferenceParticipantsStateChanged"); 1222 1223 ImsPhoneConnection conn = findConnection(call); 1224 if (conn != null) { 1225 conn.updateConferenceParticipants(participants); 1226 } 1227 } 1228 1229 @Override 1230 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 1231 mPhone.onTtyModeReceived(mode); 1232 } 1233 1234 @Override 1235 public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 1236 ImsReasonInfo reasonInfo) { 1237 if (DBG) { 1238 log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" + 1239 targetAccessTech + ", reasonInfo=" + reasonInfo); 1240 } 1241 } 1242 1243 @Override 1244 public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 1245 ImsReasonInfo reasonInfo) { 1246 if (DBG) { 1247 log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech + 1248 ", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo); 1249 } 1250 } 1251 }; 1252 1253 /** 1254 * Listen to the IMS call state change 1255 */ 1256 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 1257 @Override 1258 public void onCallStarted(ImsCall imsCall) { 1259 if (DBG) log("mImsUssdListener onCallStarted"); 1260 1261 if (imsCall == mUssdSession) { 1262 if (mPendingUssd != null) { 1263 AsyncResult.forMessage(mPendingUssd); 1264 mPendingUssd.sendToTarget(); 1265 mPendingUssd = null; 1266 } 1267 } 1268 } 1269 1270 @Override 1271 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1272 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1273 1274 onCallTerminated(imsCall, reasonInfo); 1275 } 1276 1277 @Override 1278 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1279 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 1280 1281 if (imsCall == mUssdSession) { 1282 mUssdSession = null; 1283 if (mPendingUssd != null) { 1284 CommandException ex = 1285 new CommandException(CommandException.Error.GENERIC_FAILURE); 1286 AsyncResult.forMessage(mPendingUssd, null, ex); 1287 mPendingUssd.sendToTarget(); 1288 mPendingUssd = null; 1289 } 1290 } 1291 imsCall.close(); 1292 } 1293 1294 @Override 1295 public void onCallUssdMessageReceived(ImsCall call, 1296 int mode, String ussdMessage) { 1297 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 1298 1299 int ussdMode = -1; 1300 1301 switch(mode) { 1302 case ImsCall.USSD_MODE_REQUEST: 1303 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 1304 break; 1305 1306 case ImsCall.USSD_MODE_NOTIFY: 1307 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 1308 break; 1309 } 1310 1311 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 1312 } 1313 }; 1314 1315 /** 1316 * Listen to the IMS service state change 1317 * 1318 */ 1319 private ImsConnectionStateListener mImsConnectionStateListener = 1320 new ImsConnectionStateListener() { 1321 @Override 1322 public void onImsConnected() { 1323 if (DBG) log("onImsConnected"); 1324 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1325 mPhone.setImsRegistered(true); 1326 } 1327 1328 @Override 1329 public void onImsDisconnected(ImsReasonInfo imsReasonInfo) { 1330 if (DBG) log("onImsDisconnected imsReasonInfo=" + imsReasonInfo); 1331 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1332 mPhone.setImsRegistered(false); 1333 mPhone.processDisconnectReason(imsReasonInfo); 1334 } 1335 1336 @Override 1337 public void onImsProgressing() { 1338 if (DBG) log("onImsProgressing"); 1339 } 1340 1341 @Override 1342 public void onImsResumed() { 1343 if (DBG) log("onImsResumed"); 1344 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1345 } 1346 1347 @Override 1348 public void onImsSuspended() { 1349 if (DBG) log("onImsSuspended"); 1350 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1351 } 1352 1353 @Override 1354 public void onFeatureCapabilityChanged(int serviceClass, 1355 int[] enabledFeatures, int[] disabledFeatures) { 1356 if (serviceClass == ImsServiceClass.MMTEL) { 1357 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 1358 // Check enabledFeatures to determine capabilities. We ignore disabledFeatures. 1359 for (int i = ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE; 1360 i <= ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_WIFI; i++) { 1361 if (enabledFeatures[i] == i) { 1362 // If the feature is set to its own integer value it is enabled. 1363 if (DBG) log("onFeatureCapabilityChanged: i=" + i + ", value=true"); 1364 mImsFeatureEnabled[i] = true; 1365 } else if (enabledFeatures[i] 1366 == ImsConfig.FeatureConstants.FEATURE_TYPE_UNKNOWN) { 1367 // FEATURE_TYPE_UNKNOWN indicates that a feature is disabled. 1368 if (DBG) log("onFeatureCapabilityChanged: i=" + i + ", value=false"); 1369 mImsFeatureEnabled[i] = false; 1370 } else { 1371 // Feature has unknown state; it is not its own value or -1. 1372 if (DBG) { 1373 loge("onFeatureCapabilityChanged: i=" + i + ", unexpectedValue=" 1374 + enabledFeatures[i]); 1375 } 1376 } 1377 } 1378 if (tmpIsVideoCallEnabled != isVideoCallEnabled()) { 1379 mPhone.notifyForVideoCapabilityChanged(isVideoCallEnabled()); 1380 } 1381 1382 // TODO: Use the ImsCallSession or ImsCallProfile to tell the initial Wifi state and 1383 // {@link ImsCallSession.Listener#callSessionHandover} to listen for changes to 1384 // wifi capability caused by a handover. 1385 if (DBG) log("onFeatureCapabilityChanged: isVowifiEnabled=" + isVowifiEnabled()); 1386 for (ImsPhoneConnection connection : mConnections) { 1387 connection.updateWifiState(); 1388 } 1389 1390 mPhone.onFeatureCapabilityChanged(); 1391 } 1392 1393 if (DBG) log("onFeatureCapabilityChanged: mImsFeatureEnabled=" + mImsFeatureEnabled); 1394 } 1395 }; 1396 1397 /* package */ 1398 ImsUtInterface getUtInterface() throws ImsException { 1399 if (mImsManager == null) { 1400 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1401 } 1402 1403 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(mServiceId); 1404 return ut; 1405 } 1406 1407 private void transferHandoverConnections(ImsPhoneCall call) { 1408 if (call.mConnections != null) { 1409 for (Connection c : call.mConnections) { 1410 c.mPreHandoverState = call.mState; 1411 log ("Connection state before handover is " + c.getStateBeforeHandover()); 1412 } 1413 } 1414 if (mHandoverCall.mConnections == null ) { 1415 mHandoverCall.mConnections = call.mConnections; 1416 } else { // Multi-call SRVCC 1417 mHandoverCall.mConnections.addAll(call.mConnections); 1418 } 1419 if (mHandoverCall.mConnections != null) { 1420 if (call.getImsCall() != null) { 1421 call.getImsCall().close(); 1422 } 1423 for (Connection c : mHandoverCall.mConnections) { 1424 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 1425 ((ImsPhoneConnection)c).releaseWakeLock(); 1426 } 1427 } 1428 if (call.getState().isAlive()) { 1429 log ("Call is alive and state is " + call.mState); 1430 mHandoverCall.mState = call.mState; 1431 } 1432 call.mConnections.clear(); 1433 call.mState = ImsPhoneCall.State.IDLE; 1434 } 1435 1436 /* package */ 1437 void notifySrvccState(Call.SrvccState state) { 1438 if (DBG) log("notifySrvccState state=" + state); 1439 1440 mSrvccState = state; 1441 1442 if (mSrvccState == Call.SrvccState.COMPLETED) { 1443 transferHandoverConnections(mForegroundCall); 1444 transferHandoverConnections(mBackgroundCall); 1445 transferHandoverConnections(mRingingCall); 1446 } 1447 } 1448 1449 //****** Overridden from Handler 1450 1451 @Override 1452 public void 1453 handleMessage (Message msg) { 1454 AsyncResult ar; 1455 if (DBG) log("handleMessage what=" + msg.what); 1456 1457 switch (msg.what) { 1458 case EVENT_HANGUP_PENDINGMO: 1459 if (mPendingMO != null) { 1460 mPendingMO.onDisconnect(); 1461 removeConnection(mPendingMO); 1462 mPendingMO = null; 1463 } 1464 1465 updatePhoneState(); 1466 mPhone.notifyPreciseCallStateChanged(); 1467 break; 1468 case EVENT_RESUME_BACKGROUND: 1469 try { 1470 resumeWaitingOrHolding(); 1471 } catch (CallStateException e) { 1472 if (Phone.DEBUG_PHONE) { 1473 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 1474 } 1475 } 1476 break; 1477 case EVENT_DIAL_PENDINGMO: 1478 dialInternal(mPendingMO, mClirMode, mPendingCallVideoState); 1479 break; 1480 1481 case EVENT_EXIT_ECM_RESPONSE_CDMA: 1482 // no matter the result, we still do the same here 1483 if (pendingCallInEcm) { 1484 dialInternal(mPendingMO, pendingCallClirMode, 1485 mPendingCallVideoState); 1486 pendingCallInEcm = false; 1487 } 1488 mPhone.unsetOnEcbModeExitResponse(this); 1489 break; 1490 } 1491 } 1492 1493 @Override 1494 protected void log(String msg) { 1495 Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1496 } 1497 1498 protected void loge(String msg) { 1499 Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1500 } 1501 1502 @Override 1503 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1504 pw.println("ImsPhoneCallTracker extends:"); 1505 super.dump(fd, pw, args); 1506 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 1507 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 1508 pw.println(" mRingingCall=" + mRingingCall); 1509 pw.println(" mForegroundCall=" + mForegroundCall); 1510 pw.println(" mBackgroundCall=" + mBackgroundCall); 1511 pw.println(" mHandoverCall=" + mHandoverCall); 1512 pw.println(" mPendingMO=" + mPendingMO); 1513 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 1514 pw.println(" mPhone=" + mPhone); 1515 pw.println(" mDesiredMute=" + mDesiredMute); 1516 pw.println(" mState=" + mState); 1517 } 1518 1519 @Override 1520 protected void handlePollCalls(AsyncResult ar) { 1521 } 1522 1523 /* package */ 1524 ImsEcbm getEcbmInterface() throws ImsException { 1525 if (mImsManager == null) { 1526 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1527 } 1528 1529 ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId); 1530 return ecbm; 1531 } 1532 1533 public boolean isInEmergencyCall() { 1534 return mIsInEmergencyCall; 1535 } 1536 1537 public boolean isVolteEnabled() { 1538 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE]; 1539 } 1540 1541 public boolean isVowifiEnabled() { 1542 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_WIFI]; 1543 } 1544 1545 public boolean isVideoCallEnabled() { 1546 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] 1547 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_WIFI]); 1548 } 1549 1550 @Override 1551 public PhoneConstants.State getState() { 1552 return mState; 1553 } 1554 1555 private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) 1556 throws RemoteException { 1557 IImsVideoCallProvider imsVideoCallProvider = 1558 imsCall.getCallSession().getVideoCallProvider(); 1559 if (imsVideoCallProvider != null) { 1560 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 1561 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 1562 conn.setVideoProvider(imsVideoCallProviderWrapper); 1563 } 1564 } 1565} 1566