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