ImsPhoneCallTracker.java revision c02d6b7f2f48a291b42892424e6858f71c3d84a9
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.internal.telephony.imsphone; 18 19import java.io.FileDescriptor; 20import java.io.PrintWriter; 21import java.util.ArrayList; 22import java.util.List; 23 24import android.app.PendingIntent; 25import android.content.BroadcastReceiver; 26import android.content.Context; 27import android.content.Intent; 28import android.content.IntentFilter; 29import android.content.SharedPreferences; 30import android.os.AsyncResult; 31import android.os.Bundle; 32import android.os.Handler; 33import android.os.Message; 34import android.os.Registrant; 35import android.os.RegistrantList; 36import android.os.RemoteException; 37import android.os.SystemProperties; 38import android.provider.Settings; 39import android.widget.Toast; 40import android.preference.PreferenceManager; 41import android.telecom.ConferenceParticipant; 42import android.telecom.VideoProfile; 43import android.telephony.DisconnectCause; 44import android.telephony.PhoneNumberUtils; 45import android.telephony.Rlog; 46import android.telephony.ServiceState; 47 48import com.android.ims.ImsCall; 49import com.android.ims.ImsCallProfile; 50import com.android.ims.ImsConfig; 51import com.android.ims.ImsConnectionStateListener; 52import com.android.ims.ImsEcbm; 53import com.android.ims.ImsException; 54import com.android.ims.ImsManager; 55import com.android.ims.ImsReasonInfo; 56import com.android.ims.ImsServiceClass; 57import com.android.ims.ImsSuppServiceNotification; 58import com.android.ims.ImsUtInterface; 59import com.android.ims.internal.IImsVideoCallProvider; 60import com.android.ims.internal.ImsVideoCallProviderWrapper; 61import com.android.internal.telephony.Call; 62import com.android.internal.telephony.CallStateException; 63import com.android.internal.telephony.CallTracker; 64import com.android.internal.telephony.CommandException; 65import com.android.internal.telephony.CommandsInterface; 66import com.android.internal.telephony.Connection; 67import com.android.internal.telephony.Phone; 68import com.android.internal.telephony.PhoneBase; 69import com.android.internal.telephony.PhoneConstants; 70import com.android.internal.telephony.TelephonyProperties; 71import com.android.internal.telephony.gsm.SuppServiceNotification; 72 73/** 74 * {@hide} 75 */ 76public final class ImsPhoneCallTracker extends CallTracker { 77 static final String LOG_TAG = "ImsPhoneCallTracker"; 78 79 private static final boolean DBG = true; 80 81 // When true, dumps the state of ImsPhoneCallTracker after changes to foreground and background 82 // calls. This is helpful for debugging. 83 private static final boolean VERBOSE_STATE_LOGGING = false; /* stopship if true */ 84 85 //Indices map to ImsConfig.FeatureConstants 86 private boolean[] mImsFeatureEnabled = {false, false, false, false, false, false}; 87 private final String[] mImsFeatureStrings = {"VoLTE", "ViLTE", "VoWiFi", "ViWiFi", 88 "UTLTE", "UTWiFi"}; 89 90 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 91 @Override 92 public void onReceive(Context context, Intent intent) { 93 if (intent.getAction().equals(ImsManager.ACTION_IMS_INCOMING_CALL)) { 94 if (DBG) log("onReceive : incoming call intent"); 95 96 if (mImsManager == null) return; 97 98 if (mServiceId < 0) return; 99 100 try { 101 // Network initiated USSD will be treated by mImsUssdListener 102 boolean isUssd = intent.getBooleanExtra(ImsManager.EXTRA_USSD, false); 103 if (isUssd) { 104 if (DBG) log("onReceive : USSD"); 105 mUssdSession = mImsManager.takeCall(mServiceId, intent, mImsUssdListener); 106 if (mUssdSession != null) { 107 mUssdSession.accept(ImsCallProfile.CALL_TYPE_VOICE); 108 } 109 return; 110 } 111 112 boolean isUnknown = intent.getBooleanExtra(ImsManager.EXTRA_IS_UNKNOWN_CALL, 113 false); 114 if (DBG) { 115 log("onReceive : isUnknown = " + isUnknown + 116 " fg = " + mForegroundCall.getState() + 117 " bg = " + mBackgroundCall.getState()); 118 } 119 120 // Normal MT/Unknown call 121 ImsCall imsCall = mImsManager.takeCall(mServiceId, intent, mImsCallListener); 122 ImsPhoneConnection conn = new ImsPhoneConnection(mPhone.getContext(), imsCall, 123 ImsPhoneCallTracker.this, 124 (isUnknown? mForegroundCall: mRingingCall), isUnknown); 125 addConnection(conn); 126 127 setVideoCallProvider(conn, imsCall); 128 129 if (isUnknown) { 130 mPhone.notifyUnknownConnection(conn); 131 } else { 132 if ((mForegroundCall.getState() != ImsPhoneCall.State.IDLE) || 133 (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE)) { 134 conn.update(imsCall, ImsPhoneCall.State.WAITING); 135 } 136 137 mPhone.notifyNewRingingConnection(conn); 138 mPhone.notifyIncomingRing(); 139 } 140 141 updatePhoneState(); 142 mPhone.notifyPreciseCallStateChanged(); 143 } catch (ImsException e) { 144 loge("onReceive : exception " + e); 145 } catch (RemoteException e) { 146 } 147 } 148 } 149 }; 150 151 //***** Constants 152 153 static final int MAX_CONNECTIONS = 7; 154 static final int MAX_CONNECTIONS_PER_CALL = 5; 155 156 private static final int EVENT_HANGUP_PENDINGMO = 18; 157 private static final int EVENT_RESUME_BACKGROUND = 19; 158 private static final int EVENT_DIAL_PENDINGMO = 20; 159 160 private static final int TIMEOUT_HANGUP_PENDINGMO = 500; 161 162 //***** Instance Variables 163 private ArrayList<ImsPhoneConnection> mConnections = new ArrayList<ImsPhoneConnection>(); 164 private RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 165 private RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 166 167 final ImsPhoneCall mRingingCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_RINGING); 168 final ImsPhoneCall mForegroundCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_FOREGROUND); 169 final ImsPhoneCall mBackgroundCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_BACKGROUND); 170 final ImsPhoneCall mHandoverCall = new ImsPhoneCall(this, ImsPhoneCall.CONTEXT_HANDOVER); 171 172 private ImsPhoneConnection mPendingMO; 173 private int mClirMode = CommandsInterface.CLIR_DEFAULT; 174 private Object mSyncHold = new Object(); 175 176 private ImsCall mUssdSession = null; 177 private Message mPendingUssd = null; 178 179 ImsPhone mPhone; 180 181 private boolean mDesiredMute = false; // false = mute off 182 private boolean mOnHoldToneStarted = false; 183 184 PhoneConstants.State mState = PhoneConstants.State.IDLE; 185 186 private ImsManager mImsManager; 187 private int mServiceId = -1; 188 189 private Call.SrvccState mSrvccState = Call.SrvccState.NONE; 190 191 private boolean mIsInEmergencyCall = false; 192 193 private int pendingCallClirMode; 194 private int mPendingCallVideoState; 195 private Bundle mPendingIntentExtras; 196 private boolean pendingCallInEcm = false; 197 private boolean mSwitchingFgAndBgCalls = false; 198 private ImsCall mCallExpectedToResume = null; 199 200 //***** Events 201 202 203 //***** Constructors 204 205 ImsPhoneCallTracker(ImsPhone phone) { 206 this.mPhone = phone; 207 208 IntentFilter intentfilter = new IntentFilter(); 209 intentfilter.addAction(ImsManager.ACTION_IMS_INCOMING_CALL); 210 mPhone.getContext().registerReceiver(mReceiver, intentfilter); 211 212 Thread t = new Thread() { 213 public void run() { 214 getImsService(); 215 } 216 }; 217 t.start(); 218 } 219 220 private PendingIntent createIncomingCallPendingIntent() { 221 Intent intent = new Intent(ImsManager.ACTION_IMS_INCOMING_CALL); 222 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 223 return PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 224 PendingIntent.FLAG_UPDATE_CURRENT); 225 } 226 227 private void getImsService() { 228 if (DBG) log("getImsService"); 229 mImsManager = ImsManager.getInstance(mPhone.getContext(), mPhone.getPhoneId()); 230 try { 231 mServiceId = mImsManager.open(ImsServiceClass.MMTEL, 232 createIncomingCallPendingIntent(), 233 mImsConnectionStateListener); 234 235 // Get the ECBM interface and set IMSPhone's listener object for notifications 236 getEcbmInterface().setEcbmStateListener(mPhone.mImsEcbmStateListener); 237 if (mPhone.isInEcm()) { 238 // Call exit ECBM which will invoke onECBMExited 239 mPhone.exitEmergencyCallbackMode(); 240 } 241 int mPreferredTtyMode = Settings.Secure.getInt( 242 mPhone.getContext().getContentResolver(), 243 Settings.Secure.PREFERRED_TTY_MODE, 244 Phone.TTY_MODE_OFF); 245 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, mPreferredTtyMode, null); 246 247 } catch (ImsException e) { 248 loge("getImsService: " + e); 249 //Leave mImsManager as null, then CallStateException will be thrown when dialing 250 mImsManager = null; 251 } 252 } 253 254 public void dispose() { 255 if (DBG) log("dispose"); 256 mRingingCall.dispose(); 257 mBackgroundCall.dispose(); 258 mForegroundCall.dispose(); 259 mHandoverCall.dispose(); 260 261 clearDisconnected(); 262 mPhone.getContext().unregisterReceiver(mReceiver); 263 } 264 265 @Override 266 protected void finalize() { 267 log("ImsPhoneCallTracker finalized"); 268 } 269 270 //***** Instance Methods 271 272 //***** Public Methods 273 @Override 274 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 275 Registrant r = new Registrant(h, what, obj); 276 mVoiceCallStartedRegistrants.add(r); 277 } 278 279 @Override 280 public void unregisterForVoiceCallStarted(Handler h) { 281 mVoiceCallStartedRegistrants.remove(h); 282 } 283 284 @Override 285 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 286 Registrant r = new Registrant(h, what, obj); 287 mVoiceCallEndedRegistrants.add(r); 288 } 289 290 @Override 291 public void unregisterForVoiceCallEnded(Handler h) { 292 mVoiceCallEndedRegistrants.remove(h); 293 } 294 295 Connection 296 dial(String dialString, int videoState, Bundle intentExtras) throws CallStateException { 297 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 298 int oirMode = sp.getInt(PhoneBase.CLIR_KEY, CommandsInterface.CLIR_DEFAULT); 299 return dial(dialString, oirMode, videoState, intentExtras); 300 } 301 302 /** 303 * oirMode is one of the CLIR_ constants 304 */ 305 synchronized Connection 306 dial(String dialString, int clirMode, int videoState, Bundle intentExtras) 307 throws CallStateException { 308 boolean isPhoneInEcmMode = SystemProperties.getBoolean( 309 TelephonyProperties.PROPERTY_INECM_MODE, false); 310 boolean isEmergencyNumber = PhoneNumberUtils.isEmergencyNumber(dialString); 311 312 if (DBG) log("dial clirMode=" + clirMode); 313 314 // note that this triggers call state changed notif 315 clearDisconnected(); 316 317 if (mImsManager == null) { 318 throw new CallStateException("service not available"); 319 } 320 321 if (!canDial()) { 322 throw new CallStateException("cannot dial in current state"); 323 } 324 325 if (isPhoneInEcmMode && isEmergencyNumber) { 326 handleEcmTimer(ImsPhone.CANCEL_ECM_TIMER); 327 } 328 329 boolean holdBeforeDial = false; 330 331 // The new call must be assigned to the foreground call. 332 // That call must be idle, so place anything that's 333 // there on hold 334 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 335 if (mBackgroundCall.getState() != ImsPhoneCall.State.IDLE) { 336 //we should have failed in !canDial() above before we get here 337 throw new CallStateException("cannot dial in current state"); 338 } 339 // foreground call is empty for the newly dialed connection 340 holdBeforeDial = true; 341 // Cache the video state for pending MO call. 342 mPendingCallVideoState = videoState; 343 mPendingIntentExtras = intentExtras; 344 switchWaitingOrHoldingAndActive(); 345 } 346 347 ImsPhoneCall.State fgState = ImsPhoneCall.State.IDLE; 348 ImsPhoneCall.State bgState = ImsPhoneCall.State.IDLE; 349 350 mClirMode = clirMode; 351 352 synchronized (mSyncHold) { 353 if (holdBeforeDial) { 354 fgState = mForegroundCall.getState(); 355 bgState = mBackgroundCall.getState(); 356 357 //holding foreground call failed 358 if (fgState == ImsPhoneCall.State.ACTIVE) { 359 throw new CallStateException("cannot dial in current state"); 360 } 361 362 //holding foreground call succeeded 363 if (bgState == ImsPhoneCall.State.HOLDING) { 364 holdBeforeDial = false; 365 } 366 } 367 368 mPendingMO = new ImsPhoneConnection(mPhone.getContext(), 369 checkForTestEmergencyNumber(dialString), this, mForegroundCall); 370 } 371 addConnection(mPendingMO); 372 373 if (!holdBeforeDial) { 374 if ((!isPhoneInEcmMode) || (isPhoneInEcmMode && isEmergencyNumber)) { 375 dialInternal(mPendingMO, clirMode, videoState, intentExtras); 376 } else { 377 try { 378 getEcbmInterface().exitEmergencyCallbackMode(); 379 } catch (ImsException e) { 380 e.printStackTrace(); 381 throw new CallStateException("service not available"); 382 } 383 mPhone.setOnEcbModeExitResponse(this, EVENT_EXIT_ECM_RESPONSE_CDMA, null); 384 pendingCallClirMode = clirMode; 385 mPendingCallVideoState = videoState; 386 pendingCallInEcm = true; 387 } 388 } 389 390 updatePhoneState(); 391 mPhone.notifyPreciseCallStateChanged(); 392 393 return mPendingMO; 394 } 395 396 private void handleEcmTimer(int action) { 397 mPhone.handleTimerInEmergencyCallbackMode(action); 398 switch (action) { 399 case ImsPhone.CANCEL_ECM_TIMER: 400 break; 401 case ImsPhone.RESTART_ECM_TIMER: 402 break; 403 default: 404 log("handleEcmTimer, unsupported action " + action); 405 } 406 } 407 408 private void dialInternal(ImsPhoneConnection conn, int clirMode, int videoState, 409 Bundle intentExtras) { 410 411 if (conn == null) { 412 return; 413 } 414 415 if (conn.getAddress()== null || conn.getAddress().length() == 0 416 || conn.getAddress().indexOf(PhoneNumberUtils.WILD) >= 0) { 417 // Phone number is invalid 418 conn.setDisconnectCause(DisconnectCause.INVALID_NUMBER); 419 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 420 return; 421 } 422 423 // Always unmute when initiating a new call 424 setMute(false); 425 int serviceType = PhoneNumberUtils.isEmergencyNumber(conn.getAddress()) ? 426 ImsCallProfile.SERVICE_TYPE_EMERGENCY : ImsCallProfile.SERVICE_TYPE_NORMAL; 427 int callType = ImsCallProfile.getCallTypeFromVideoState(videoState); 428 //TODO(vt): Is this sufficient? At what point do we know the video state of the call? 429 conn.setVideoState(videoState); 430 431 try { 432 String[] callees = new String[] { conn.getAddress() }; 433 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 434 serviceType, callType); 435 profile.setCallExtraInt(ImsCallProfile.EXTRA_OIR, clirMode); 436 437 // Translate call subject intent-extra from Telecom-specific extra key to the 438 // ImsCallProfile key. 439 if (intentExtras != null) { 440 if (intentExtras.containsKey(android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)) { 441 intentExtras.putString(ImsCallProfile.EXTRA_DISPLAY_TEXT, 442 intentExtras.getString( 443 android.telecom.TelecomManager.EXTRA_CALL_SUBJECT)); 444 } 445 446 // Pack the OEM-specific call extras. 447 profile.mCallExtras.putBundle(ImsCallProfile.EXTRA_OEM_EXTRAS, intentExtras); 448 449 // NOTE: Extras to be sent over the network are packed into the 450 // intentExtras individually, with uniquely defined keys. 451 // These key-value pairs are processed by IMS Service before 452 // being sent to the lower layers/to the network. 453 } 454 455 ImsCall imsCall = mImsManager.makeCall(mServiceId, profile, 456 callees, mImsCallListener); 457 conn.setImsCall(imsCall); 458 459 setVideoCallProvider(conn, imsCall); 460 } catch (ImsException e) { 461 loge("dialInternal : " + e); 462 conn.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 463 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 464 } catch (RemoteException e) { 465 } 466 } 467 468 /** 469 * Accepts a call with the specified video state. The video state is the video state that the 470 * user has agreed upon in the InCall UI. 471 * 472 * @param videoState The video State 473 * @throws CallStateException 474 */ 475 void acceptCall (int videoState) throws CallStateException { 476 if (DBG) log("acceptCall"); 477 478 if (mForegroundCall.getState().isAlive() 479 && mBackgroundCall.getState().isAlive()) { 480 throw new CallStateException("cannot accept call"); 481 } 482 483 if ((mRingingCall.getState() == ImsPhoneCall.State.WAITING) 484 && mForegroundCall.getState().isAlive()) { 485 setMute(false); 486 // Cache video state for pending MT call. 487 mPendingCallVideoState = videoState; 488 switchWaitingOrHoldingAndActive(); 489 } else if (mRingingCall.getState().isRinging()) { 490 if (DBG) log("acceptCall: incoming..."); 491 // Always unmute when answering a new call 492 setMute(false); 493 try { 494 ImsCall imsCall = mRingingCall.getImsCall(); 495 if (imsCall != null) { 496 imsCall.accept(ImsCallProfile.getCallTypeFromVideoState(videoState)); 497 } else { 498 throw new CallStateException("no valid ims call"); 499 } 500 } catch (ImsException e) { 501 throw new CallStateException("cannot accept call"); 502 } 503 } else { 504 throw new CallStateException("phone not ringing"); 505 } 506 } 507 508 void 509 rejectCall () throws CallStateException { 510 if (DBG) log("rejectCall"); 511 512 if (mRingingCall.getState().isRinging()) { 513 hangup(mRingingCall); 514 } else { 515 throw new CallStateException("phone not ringing"); 516 } 517 } 518 519 520 private void switchAfterConferenceSuccess() { 521 if (DBG) log("switchAfterConferenceSuccess fg =" + mForegroundCall.getState() + 522 ", bg = " + mBackgroundCall.getState()); 523 524 if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 525 log("switchAfterConferenceSuccess"); 526 mForegroundCall.switchWith(mBackgroundCall); 527 } 528 } 529 530 void 531 switchWaitingOrHoldingAndActive() throws CallStateException { 532 if (DBG) log("switchWaitingOrHoldingAndActive"); 533 534 if (mRingingCall.getState() == ImsPhoneCall.State.INCOMING) { 535 throw new CallStateException("cannot be in the incoming state"); 536 } 537 538 if (mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE) { 539 ImsCall imsCall = mForegroundCall.getImsCall(); 540 if (imsCall == null) { 541 throw new CallStateException("no ims call"); 542 } 543 544 // Swap the ImsCalls pointed to by the foreground and background ImsPhoneCalls. 545 // If hold or resume later fails, we will swap them back. 546 mSwitchingFgAndBgCalls = true; 547 mCallExpectedToResume = mBackgroundCall.getImsCall(); 548 mForegroundCall.switchWith(mBackgroundCall); 549 550 // Hold the foreground call; once the foreground call is held, the background call will 551 // be resumed. 552 try { 553 imsCall.hold(); 554 555 // If there is no background call to resume, then don't expect there to be a switch. 556 if (mCallExpectedToResume == null) { 557 mSwitchingFgAndBgCalls = false; 558 } 559 } catch (ImsException e) { 560 mForegroundCall.switchWith(mBackgroundCall); 561 throw new CallStateException(e.getMessage()); 562 } 563 } else if (mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING) { 564 resumeWaitingOrHolding(); 565 } 566 } 567 568 void 569 conference() { 570 if (DBG) log("conference"); 571 572 ImsCall fgImsCall = mForegroundCall.getImsCall(); 573 if (fgImsCall == null) { 574 log("conference no foreground ims call"); 575 return; 576 } 577 578 ImsCall bgImsCall = mBackgroundCall.getImsCall(); 579 if (bgImsCall == null) { 580 log("conference no background ims call"); 581 return; 582 } 583 584 // Keep track of the connect time of the earliest call so that it can be set on the 585 // {@code ImsConference} when it is created. 586 long foregroundConnectTime = mForegroundCall.getEarliestConnectTime(); 587 long backgroundConnectTime = mBackgroundCall.getEarliestConnectTime(); 588 long conferenceConnectTime; 589 if (foregroundConnectTime > 0 && backgroundConnectTime > 0) { 590 conferenceConnectTime = Math.min(mForegroundCall.getEarliestConnectTime(), 591 mBackgroundCall.getEarliestConnectTime()); 592 log("conference - using connect time = " + conferenceConnectTime); 593 } else if (foregroundConnectTime > 0) { 594 log("conference - bg call connect time is 0; using fg = " + foregroundConnectTime); 595 conferenceConnectTime = foregroundConnectTime; 596 } else { 597 log("conference - fg call connect time is 0; using bg = " + backgroundConnectTime); 598 conferenceConnectTime = backgroundConnectTime; 599 } 600 601 ImsPhoneConnection foregroundConnection = mForegroundCall.getFirstConnection(); 602 if (foregroundConnection != null) { 603 foregroundConnection.setConferenceConnectTime(conferenceConnectTime); 604 } 605 606 try { 607 fgImsCall.merge(bgImsCall); 608 } catch (ImsException e) { 609 log("conference " + e.getMessage()); 610 } 611 } 612 613 void 614 explicitCallTransfer() { 615 //TODO : implement 616 } 617 618 void 619 clearDisconnected() { 620 if (DBG) log("clearDisconnected"); 621 622 internalClearDisconnected(); 623 624 updatePhoneState(); 625 mPhone.notifyPreciseCallStateChanged(); 626 } 627 628 boolean 629 canConference() { 630 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 631 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING 632 && !mBackgroundCall.isFull() 633 && !mForegroundCall.isFull(); 634 } 635 636 boolean 637 canDial() { 638 boolean ret; 639 int serviceState = mPhone.getServiceState().getState(); 640 String disableCall = SystemProperties.get( 641 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 642 643 ret = (serviceState != ServiceState.STATE_POWER_OFF) 644 && mPendingMO == null 645 && !mRingingCall.isRinging() 646 && !disableCall.equals("true") 647 && (!mForegroundCall.getState().isAlive() 648 || !mBackgroundCall.getState().isAlive()); 649 650 return ret; 651 } 652 653 boolean 654 canTransfer() { 655 return mForegroundCall.getState() == ImsPhoneCall.State.ACTIVE 656 && mBackgroundCall.getState() == ImsPhoneCall.State.HOLDING; 657 } 658 659 //***** Private Instance Methods 660 661 private void 662 internalClearDisconnected() { 663 mRingingCall.clearDisconnected(); 664 mForegroundCall.clearDisconnected(); 665 mBackgroundCall.clearDisconnected(); 666 mHandoverCall.clearDisconnected(); 667 } 668 669 private void 670 updatePhoneState() { 671 PhoneConstants.State oldState = mState; 672 673 if (mRingingCall.isRinging()) { 674 mState = PhoneConstants.State.RINGING; 675 } else if (mPendingMO != null || 676 !(mForegroundCall.isIdle() && mBackgroundCall.isIdle())) { 677 mState = PhoneConstants.State.OFFHOOK; 678 } else { 679 mState = PhoneConstants.State.IDLE; 680 } 681 682 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 683 mVoiceCallEndedRegistrants.notifyRegistrants( 684 new AsyncResult(null, null, null)); 685 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 686 mVoiceCallStartedRegistrants.notifyRegistrants ( 687 new AsyncResult(null, null, null)); 688 } 689 690 if (DBG) log("updatePhoneState oldState=" + oldState + ", newState=" + mState); 691 692 if (mState != oldState) { 693 mPhone.notifyPhoneStateChanged(); 694 } 695 } 696 697 private void 698 handleRadioNotAvailable() { 699 // handlePollCalls will clear out its 700 // call list when it gets the CommandException 701 // error result from this 702 pollCallsWhenSafe(); 703 } 704 705 private void 706 dumpState() { 707 List l; 708 709 log("Phone State:" + mState); 710 711 log("Ringing call: " + mRingingCall.toString()); 712 713 l = mRingingCall.getConnections(); 714 for (int i = 0, s = l.size(); i < s; i++) { 715 log(l.get(i).toString()); 716 } 717 718 log("Foreground call: " + mForegroundCall.toString()); 719 720 l = mForegroundCall.getConnections(); 721 for (int i = 0, s = l.size(); i < s; i++) { 722 log(l.get(i).toString()); 723 } 724 725 log("Background call: " + mBackgroundCall.toString()); 726 727 l = mBackgroundCall.getConnections(); 728 for (int i = 0, s = l.size(); i < s; i++) { 729 log(l.get(i).toString()); 730 } 731 732 } 733 734 //***** Called from ImsPhone 735 736 void setUiTTYMode(int uiTtyMode, Message onComplete) { 737 try { 738 mImsManager.setUiTTYMode(mPhone.getContext(), mServiceId, uiTtyMode, onComplete); 739 } catch (ImsException e) { 740 loge("setTTYMode : " + e); 741 mPhone.sendErrorResponse(onComplete, e); 742 } 743 } 744 745 /*package*/ void setMute(boolean mute) { 746 mDesiredMute = mute; 747 mForegroundCall.setMute(mute); 748 } 749 750 /*package*/ boolean getMute() { 751 return mDesiredMute; 752 } 753 754 /* package */ void sendDtmf(char c, Message result) { 755 if (DBG) log("sendDtmf"); 756 757 ImsCall imscall = mForegroundCall.getImsCall(); 758 if (imscall != null) { 759 imscall.sendDtmf(c, result); 760 } 761 } 762 763 /*package*/ void 764 startDtmf(char c) { 765 if (DBG) log("startDtmf"); 766 767 ImsCall imscall = mForegroundCall.getImsCall(); 768 if (imscall != null) { 769 imscall.startDtmf(c); 770 } else { 771 loge("startDtmf : no foreground call"); 772 } 773 } 774 775 /*package*/ void 776 stopDtmf() { 777 if (DBG) log("stopDtmf"); 778 779 ImsCall imscall = mForegroundCall.getImsCall(); 780 if (imscall != null) { 781 imscall.stopDtmf(); 782 } else { 783 loge("stopDtmf : no foreground call"); 784 } 785 } 786 787 //***** Called from ImsPhoneConnection 788 789 /*package*/ void 790 hangup (ImsPhoneConnection conn) throws CallStateException { 791 if (DBG) log("hangup connection"); 792 793 if (conn.getOwner() != this) { 794 throw new CallStateException ("ImsPhoneConnection " + conn 795 + "does not belong to ImsPhoneCallTracker " + this); 796 } 797 798 hangup(conn.getCall()); 799 } 800 801 //***** Called from ImsPhoneCall 802 803 /* package */ void 804 hangup (ImsPhoneCall call) throws CallStateException { 805 if (DBG) log("hangup call"); 806 807 if (call.getConnections().size() == 0) { 808 throw new CallStateException("no connections"); 809 } 810 811 ImsCall imsCall = call.getImsCall(); 812 boolean rejectCall = false; 813 814 if (call == mRingingCall) { 815 if (Phone.DEBUG_PHONE) log("(ringing) hangup incoming"); 816 rejectCall = true; 817 } else if (call == mForegroundCall) { 818 if (call.isDialingOrAlerting()) { 819 if (Phone.DEBUG_PHONE) { 820 log("(foregnd) hangup dialing or alerting..."); 821 } 822 } else { 823 if (Phone.DEBUG_PHONE) { 824 log("(foregnd) hangup foreground"); 825 } 826 //held call will be resumed by onCallTerminated 827 } 828 } else if (call == mBackgroundCall) { 829 if (Phone.DEBUG_PHONE) { 830 log("(backgnd) hangup waiting or background"); 831 } 832 } else { 833 throw new CallStateException ("ImsPhoneCall " + call + 834 "does not belong to ImsPhoneCallTracker " + this); 835 } 836 837 call.onHangupLocal(); 838 839 try { 840 if (imsCall != null) { 841 if (rejectCall) imsCall.reject(ImsReasonInfo.CODE_USER_DECLINE); 842 else imsCall.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 843 } else if (mPendingMO != null && call == mForegroundCall) { 844 // is holding a foreground call 845 mPendingMO.update(null, ImsPhoneCall.State.DISCONNECTED); 846 mPendingMO.onDisconnect(); 847 removeConnection(mPendingMO); 848 mPendingMO = null; 849 updatePhoneState(); 850 removeMessages(EVENT_DIAL_PENDINGMO); 851 } 852 } catch (ImsException e) { 853 throw new CallStateException(e.getMessage()); 854 } 855 856 mPhone.notifyPreciseCallStateChanged(); 857 } 858 859 void callEndCleanupHandOverCallIfAny() { 860 if (mHandoverCall.mConnections.size() > 0) { 861 if (DBG) log("callEndCleanupHandOverCallIfAny, mHandoverCall.mConnections=" 862 + mHandoverCall.mConnections); 863 mHandoverCall.mConnections.clear(); 864 mState = PhoneConstants.State.IDLE; 865 } 866 } 867 868 /* package */ 869 void resumeWaitingOrHolding() throws CallStateException { 870 if (DBG) log("resumeWaitingOrHolding"); 871 872 try { 873 if (mForegroundCall.getState().isAlive()) { 874 //resume foreground call after holding background call 875 //they were switched before holding 876 ImsCall imsCall = mForegroundCall.getImsCall(); 877 if (imsCall != null) imsCall.resume(); 878 } else if (mRingingCall.getState() == ImsPhoneCall.State.WAITING) { 879 //accept waiting call after holding background call 880 ImsCall imsCall = mRingingCall.getImsCall(); 881 if (imsCall != null) { 882 imsCall.accept( 883 ImsCallProfile.getCallTypeFromVideoState(mPendingCallVideoState)); 884 } 885 } else { 886 //Just resume background call. 887 //To distinguish resuming call with swapping calls 888 //we do not switch calls.here 889 //ImsPhoneConnection.update will chnage the parent when completed 890 ImsCall imsCall = mBackgroundCall.getImsCall(); 891 if (imsCall != null) imsCall.resume(); 892 } 893 } catch (ImsException e) { 894 throw new CallStateException(e.getMessage()); 895 } 896 } 897 898 /* package */ 899 void sendUSSD (String ussdString, Message response) { 900 if (DBG) log("sendUSSD"); 901 902 try { 903 if (mUssdSession != null) { 904 mUssdSession.sendUssd(ussdString); 905 AsyncResult.forMessage(response, null, null); 906 response.sendToTarget(); 907 return; 908 } 909 910 String[] callees = new String[] { ussdString }; 911 ImsCallProfile profile = mImsManager.createCallProfile(mServiceId, 912 ImsCallProfile.SERVICE_TYPE_NORMAL, ImsCallProfile.CALL_TYPE_VOICE); 913 profile.setCallExtraInt(ImsCallProfile.EXTRA_DIALSTRING, 914 ImsCallProfile.DIALSTRING_USSD); 915 916 mUssdSession = mImsManager.makeCall(mServiceId, profile, 917 callees, mImsUssdListener); 918 } catch (ImsException e) { 919 loge("sendUSSD : " + e); 920 mPhone.sendErrorResponse(response, e); 921 } 922 } 923 924 /* package */ 925 void cancelUSSD() { 926 if (mUssdSession == null) return; 927 928 try { 929 mUssdSession.terminate(ImsReasonInfo.CODE_USER_TERMINATED); 930 } catch (ImsException e) { 931 } 932 933 } 934 935 private synchronized ImsPhoneConnection findConnection(final ImsCall imsCall) { 936 for (ImsPhoneConnection conn : mConnections) { 937 if (conn.getImsCall() == imsCall) { 938 return conn; 939 } 940 } 941 return null; 942 } 943 944 private synchronized void removeConnection(ImsPhoneConnection conn) { 945 mConnections.remove(conn); 946 } 947 948 private synchronized void addConnection(ImsPhoneConnection conn) { 949 mConnections.add(conn); 950 } 951 952 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause) { 953 if (DBG) log("processCallStateChange " + imsCall + " state=" + state + " cause=" + cause); 954 // This method is called on onCallUpdate() where there is not necessarily a call state 955 // change. In these situations, we'll ignore the state related updates and only process 956 // the change in media capabilities (as expected). The default is to not ignore state 957 // changes so we do not change existing behavior. 958 processCallStateChange(imsCall, state, cause, false /* do not ignore state update */); 959 } 960 961 private void processCallStateChange(ImsCall imsCall, ImsPhoneCall.State state, int cause, 962 boolean ignoreState) { 963 if (DBG) { 964 log("processCallStateChange state=" + state + " cause=" + cause 965 + " ignoreState=" + ignoreState); 966 } 967 968 if (imsCall == null) return; 969 970 boolean changed = false; 971 ImsPhoneConnection conn = findConnection(imsCall); 972 973 if (conn == null) { 974 // TODO : what should be done? 975 return; 976 } 977 978 // processCallStateChange is triggered for onCallUpdated as well. 979 // onCallUpdated should not modify the state of the call 980 // It should modify only other capabilities of call through updateMediaCapabilities 981 // State updates will be triggered through individual callbacks 982 // i.e. onCallHeld, onCallResume, etc and conn.update will be responsible for the update 983 if (ignoreState) { 984 conn.updateMediaCapabilities(imsCall); 985 return; 986 } 987 988 changed = conn.update(imsCall, state); 989 if (state == ImsPhoneCall.State.DISCONNECTED) { 990 changed = conn.onDisconnect(cause) || changed; 991 //detach the disconnected connections 992 conn.getCall().detach(conn); 993 removeConnection(conn); 994 } 995 996 if (changed) { 997 if (conn.getCall() == mHandoverCall) return; 998 updatePhoneState(); 999 mPhone.notifyPreciseCallStateChanged(); 1000 } 1001 } 1002 1003 private int getDisconnectCauseFromReasonInfo(ImsReasonInfo reasonInfo) { 1004 int cause = DisconnectCause.ERROR_UNSPECIFIED; 1005 1006 //int type = reasonInfo.getReasonType(); 1007 int code = reasonInfo.getCode(); 1008 switch (code) { 1009 case ImsReasonInfo.CODE_SIP_BAD_ADDRESS: 1010 case ImsReasonInfo.CODE_SIP_NOT_REACHABLE: 1011 return DisconnectCause.NUMBER_UNREACHABLE; 1012 1013 case ImsReasonInfo.CODE_SIP_BUSY: 1014 return DisconnectCause.BUSY; 1015 1016 case ImsReasonInfo.CODE_USER_TERMINATED: 1017 return DisconnectCause.LOCAL; 1018 1019 case ImsReasonInfo.CODE_LOCAL_CALL_DECLINE: 1020 return DisconnectCause.INCOMING_REJECTED; 1021 1022 case ImsReasonInfo.CODE_USER_TERMINATED_BY_REMOTE: 1023 return DisconnectCause.NORMAL; 1024 1025 case ImsReasonInfo.CODE_SIP_REDIRECTED: 1026 case ImsReasonInfo.CODE_SIP_BAD_REQUEST: 1027 case ImsReasonInfo.CODE_SIP_FORBIDDEN: 1028 case ImsReasonInfo.CODE_SIP_NOT_ACCEPTABLE: 1029 case ImsReasonInfo.CODE_SIP_USER_REJECTED: 1030 case ImsReasonInfo.CODE_SIP_GLOBAL_ERROR: 1031 return DisconnectCause.SERVER_ERROR; 1032 1033 case ImsReasonInfo.CODE_SIP_SERVICE_UNAVAILABLE: 1034 case ImsReasonInfo.CODE_SIP_NOT_FOUND: 1035 case ImsReasonInfo.CODE_SIP_SERVER_ERROR: 1036 return DisconnectCause.SERVER_UNREACHABLE; 1037 1038 case ImsReasonInfo.CODE_LOCAL_NETWORK_ROAMING: 1039 case ImsReasonInfo.CODE_LOCAL_NETWORK_IP_CHANGED: 1040 case ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN: 1041 case ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE: 1042 case ImsReasonInfo.CODE_LOCAL_NOT_REGISTERED: 1043 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_LTE_COVERAGE: 1044 case ImsReasonInfo.CODE_LOCAL_NETWORK_NO_SERVICE: 1045 case ImsReasonInfo.CODE_LOCAL_CALL_VCC_ON_PROGRESSING: 1046 return DisconnectCause.OUT_OF_SERVICE; 1047 1048 case ImsReasonInfo.CODE_SIP_REQUEST_TIMEOUT: 1049 case ImsReasonInfo.CODE_TIMEOUT_1XX_WAITING: 1050 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER: 1051 case ImsReasonInfo.CODE_TIMEOUT_NO_ANSWER_CALL_UPDATE: 1052 return DisconnectCause.TIMED_OUT; 1053 1054 case ImsReasonInfo.CODE_LOCAL_LOW_BATTERY: 1055 case ImsReasonInfo.CODE_LOCAL_POWER_OFF: 1056 return DisconnectCause.POWER_OFF; 1057 1058 case ImsReasonInfo.CODE_FDN_BLOCKED: 1059 return DisconnectCause.FDN_BLOCKED; 1060 default: 1061 } 1062 1063 return cause; 1064 } 1065 1066 /** 1067 * Listen to the IMS call state change 1068 */ 1069 private ImsCall.Listener mImsCallListener = new ImsCall.Listener() { 1070 @Override 1071 public void onCallProgressing(ImsCall imsCall) { 1072 if (DBG) log("onCallProgressing"); 1073 1074 mPendingMO = null; 1075 processCallStateChange(imsCall, ImsPhoneCall.State.ALERTING, 1076 DisconnectCause.NOT_DISCONNECTED); 1077 } 1078 1079 @Override 1080 public void onCallStarted(ImsCall imsCall) { 1081 if (DBG) log("onCallStarted"); 1082 1083 mPendingMO = null; 1084 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1085 DisconnectCause.NOT_DISCONNECTED); 1086 } 1087 1088 @Override 1089 public void onCallUpdated(ImsCall imsCall) { 1090 if (DBG) log("onCallUpdated"); 1091 if (imsCall == null) { 1092 return; 1093 } 1094 ImsPhoneConnection conn = findConnection(imsCall); 1095 if (conn != null) { 1096 processCallStateChange(imsCall, conn.getCall().mState, 1097 DisconnectCause.NOT_DISCONNECTED, true /*ignore state update*/); 1098 } 1099 } 1100 1101 /** 1102 * onCallStartFailed will be invoked when: 1103 * case 1) Dialing fails 1104 * case 2) Ringing call is disconnected by local or remote user 1105 */ 1106 @Override 1107 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1108 if (DBG) log("onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1109 1110 if (mPendingMO != null) { 1111 // To initiate dialing circuit-switched call 1112 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_CS_RETRY_REQUIRED 1113 && mBackgroundCall.getState() == ImsPhoneCall.State.IDLE 1114 && mRingingCall.getState() == ImsPhoneCall.State.IDLE) { 1115 mForegroundCall.detach(mPendingMO); 1116 removeConnection(mPendingMO); 1117 mPendingMO.finalize(); 1118 mPendingMO = null; 1119 mPhone.initiateSilentRedial(); 1120 return; 1121 } else { 1122 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1123 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1124 } 1125 mPendingMO = null; 1126 } 1127 } 1128 1129 @Override 1130 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1131 if (DBG) log("onCallTerminated reasonCode=" + reasonInfo.getCode()); 1132 1133 ImsPhoneCall.State oldState = mForegroundCall.getState(); 1134 int cause = getDisconnectCauseFromReasonInfo(reasonInfo); 1135 ImsPhoneConnection conn = findConnection(imsCall); 1136 if (DBG) log("cause = " + cause + " conn = " + conn); 1137 1138 if (conn != null && conn.isIncoming() && conn.getConnectTime() == 0) { 1139 // Missed 1140 if (cause == DisconnectCause.NORMAL) { 1141 cause = DisconnectCause.INCOMING_MISSED; 1142 } else { 1143 cause = DisconnectCause.INCOMING_REJECTED; 1144 } 1145 if (DBG) log("Incoming connection of 0 connect time detected - translated cause = " 1146 + cause); 1147 1148 } 1149 1150 if (cause == DisconnectCause.NORMAL && conn != null && conn.getImsCall().isMerged()) { 1151 // Call was terminated while it is merged instead of a remote disconnect. 1152 cause = DisconnectCause.IMS_MERGED_SUCCESSFULLY; 1153 } 1154 1155 processCallStateChange(imsCall, ImsPhoneCall.State.DISCONNECTED, cause); 1156 if (mForegroundCall.getState() != ImsPhoneCall.State.ACTIVE) { 1157 if (mRingingCall.getState().isRinging()) { 1158 // Drop pending MO. We should address incoming call first 1159 mPendingMO = null; 1160 } else if (mPendingMO != null) { 1161 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1162 } 1163 } 1164 } 1165 1166 @Override 1167 public void onCallHeld(ImsCall imsCall) { 1168 if (DBG) { 1169 if (mForegroundCall.getImsCall() == imsCall) { 1170 log("onCallHeld (fg) " + imsCall); 1171 } else if (mBackgroundCall.getImsCall() == imsCall) { 1172 log("onCallHeld (bg) " + imsCall); 1173 } 1174 } 1175 1176 synchronized (mSyncHold) { 1177 ImsPhoneCall.State oldState = mBackgroundCall.getState(); 1178 processCallStateChange(imsCall, ImsPhoneCall.State.HOLDING, 1179 DisconnectCause.NOT_DISCONNECTED); 1180 1181 // Note: If we're performing a switchWaitingOrHoldingAndActive, the call to 1182 // processCallStateChange above may have caused the mBackgroundCall and 1183 // mForegroundCall references below to change meaning. Watch out for this if you 1184 // are reading through this code. 1185 if (oldState == ImsPhoneCall.State.ACTIVE) { 1186 // Note: This case comes up when we have just held a call in response to a 1187 // switchWaitingOrHoldingAndActive. We now need to resume the background call. 1188 // The EVENT_RESUME_BACKGROUND causes resumeWaitingOrHolding to be called. 1189 if ((mForegroundCall.getState() == ImsPhoneCall.State.HOLDING) 1190 || (mRingingCall.getState() == ImsPhoneCall.State.WAITING)) { 1191 1192 sendEmptyMessage(EVENT_RESUME_BACKGROUND); 1193 } else { 1194 //when multiple connections belong to background call, 1195 //only the first callback reaches here 1196 //otherwise the oldState is already HOLDING 1197 if (mPendingMO != null) { 1198 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1199 } 1200 1201 // In this case there will be no call resumed, so we can assume that we 1202 // are done switching fg and bg calls now. 1203 // This may happen if there is no BG call and we are holding a call so that 1204 // we can dial another one. 1205 mSwitchingFgAndBgCalls = false; 1206 } 1207 } 1208 } 1209 } 1210 1211 @Override 1212 public void onCallHoldFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1213 if (DBG) log("onCallHoldFailed reasonCode=" + reasonInfo.getCode()); 1214 1215 synchronized (mSyncHold) { 1216 ImsPhoneCall.State bgState = mBackgroundCall.getState(); 1217 if (reasonInfo.getCode() == ImsReasonInfo.CODE_LOCAL_CALL_TERMINATED) { 1218 // disconnected while processing hold 1219 if (mPendingMO != null) { 1220 sendEmptyMessage(EVENT_DIAL_PENDINGMO); 1221 } 1222 } else if (bgState == ImsPhoneCall.State.ACTIVE) { 1223 mForegroundCall.switchWith(mBackgroundCall); 1224 1225 if (mPendingMO != null) { 1226 mPendingMO.setDisconnectCause(DisconnectCause.ERROR_UNSPECIFIED); 1227 sendEmptyMessageDelayed(EVENT_HANGUP_PENDINGMO, TIMEOUT_HANGUP_PENDINGMO); 1228 } 1229 } 1230 } 1231 } 1232 1233 @Override 1234 public void onCallResumed(ImsCall imsCall) { 1235 if (DBG) log("onCallResumed"); 1236 1237 // If we are the in midst of swapping FG and BG calls and the call we end up resuming 1238 // is not the one we expected, we likely had a resume failure and we need to swap the 1239 // FG and BG calls back. 1240 if (mSwitchingFgAndBgCalls && imsCall != mCallExpectedToResume) { 1241 if (DBG) { 1242 log("onCallResumed : switching " + mForegroundCall + " with " 1243 + mBackgroundCall); 1244 } 1245 mForegroundCall.switchWith(mBackgroundCall); 1246 mSwitchingFgAndBgCalls = false; 1247 mCallExpectedToResume = null; 1248 } 1249 processCallStateChange(imsCall, ImsPhoneCall.State.ACTIVE, 1250 DisconnectCause.NOT_DISCONNECTED); 1251 } 1252 1253 @Override 1254 public void onCallResumeFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1255 // If we are in the midst of swapping the FG and BG calls and we got a resume fail, we 1256 // need to swap back the FG and BG calls. 1257 if (mSwitchingFgAndBgCalls && imsCall == mCallExpectedToResume) { 1258 if (DBG) { 1259 log("onCallResumeFailed : switching " + mForegroundCall + " with " 1260 + mBackgroundCall); 1261 } 1262 mForegroundCall.switchWith(mBackgroundCall); 1263 mCallExpectedToResume = null; 1264 mSwitchingFgAndBgCalls = false; 1265 } 1266 mPhone.notifySuppServiceFailed(Phone.SuppService.RESUME); 1267 } 1268 1269 @Override 1270 public void onCallResumeReceived(ImsCall imsCall) { 1271 if (DBG) log("onCallResumeReceived"); 1272 1273 if (mOnHoldToneStarted) { 1274 mPhone.stopOnHoldTone(); 1275 mOnHoldToneStarted = false; 1276 } 1277 1278 SuppServiceNotification supp = new SuppServiceNotification(); 1279 // Type of notification: 0 = MO; 1 = MT 1280 // Refer SuppServiceNotification class documentation. 1281 supp.notificationType = 1; 1282 supp.code = SuppServiceNotification.MT_CODE_CALL_RETRIEVED; 1283 mPhone.notifySuppSvcNotification(supp); 1284 } 1285 1286 @Override 1287 public void onCallHoldReceived(ImsCall imsCall) { 1288 if (DBG) log("onCallHoldReceived"); 1289 1290 ImsPhoneConnection conn = findConnection(imsCall); 1291 if (conn != null && conn.getState() == ImsPhoneCall.State.ACTIVE) { 1292 if (!mOnHoldToneStarted && ImsPhoneCall.isLocalTone(imsCall)) { 1293 mPhone.startOnHoldTone(); 1294 mOnHoldToneStarted = true; 1295 } 1296 } 1297 1298 SuppServiceNotification supp = new SuppServiceNotification(); 1299 // Type of notification: 0 = MO; 1 = MT 1300 // Refer SuppServiceNotification class documentation. 1301 supp.notificationType = 1; 1302 supp.code = SuppServiceNotification.MT_CODE_CALL_ON_HOLD; 1303 mPhone.notifySuppSvcNotification(supp); 1304 } 1305 1306 @Override 1307 public void onCallSuppServiceReceived(ImsCall call, 1308 ImsSuppServiceNotification suppServiceInfo) { 1309 if (DBG) log("onCallSuppServiceReceived: suppServiceInfo=" + suppServiceInfo); 1310 1311 SuppServiceNotification supp = new SuppServiceNotification(); 1312 supp.notificationType = suppServiceInfo.notificationType; 1313 supp.code = suppServiceInfo.code; 1314 supp.index = suppServiceInfo.index; 1315 supp.number = suppServiceInfo.number; 1316 supp.history = suppServiceInfo.history; 1317 1318 mPhone.notifySuppSvcNotification(supp); 1319 } 1320 1321 @Override 1322 public void onCallMerged(final ImsCall call, final ImsCall peerCall, boolean swapCalls) { 1323 if (DBG) log("onCallMerged"); 1324 1325 ImsPhoneCall foregroundImsPhoneCall = findConnection(call).getCall(); 1326 ImsPhoneConnection peerConnection = findConnection(peerCall); 1327 ImsPhoneCall peerImsPhoneCall = peerConnection == null ? null 1328 : peerConnection.getCall(); 1329 1330 if (swapCalls) { 1331 switchAfterConferenceSuccess(); 1332 } 1333 foregroundImsPhoneCall.merge(peerImsPhoneCall, ImsPhoneCall.State.ACTIVE); 1334 1335 // TODO Temporary code. Remove the try-catch block from the runnable once thread 1336 // synchronization is fixed. 1337 Runnable r = new Runnable() { 1338 @Override 1339 public void run() { 1340 try { 1341 final ImsPhoneConnection conn = findConnection(call); 1342 log("onCallMerged: ImsPhoneConnection=" + conn); 1343 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 1344 setVideoCallProvider(conn, call); 1345 log("onCallMerged: CurrentVideoProvider=" + conn.getVideoProvider()); 1346 } catch (Exception e) { 1347 loge("onCallMerged: exception " + e); 1348 } 1349 } 1350 }; 1351 1352 ImsPhoneCallTracker.this.post(r); 1353 1354 // After merge complete, update foreground as Active 1355 // and background call as Held, if background call exists 1356 processCallStateChange(mForegroundCall.getImsCall(), ImsPhoneCall.State.ACTIVE, 1357 DisconnectCause.NOT_DISCONNECTED); 1358 if (peerConnection != null) { 1359 processCallStateChange(mBackgroundCall.getImsCall(), ImsPhoneCall.State.HOLDING, 1360 DisconnectCause.NOT_DISCONNECTED); 1361 } 1362 1363 // Check if the merge was requested by an existing conference call. In that 1364 // case, no further action is required. 1365 if (!call.isMergeRequestedByConf()) { 1366 log("onCallMerged :: calling onMultipartyStateChanged()"); 1367 onMultipartyStateChanged(call, true); 1368 } else { 1369 log("onCallMerged :: Merge requested by existing conference."); 1370 // Reset the flag. 1371 call.resetIsMergeRequestedByConf(false); 1372 } 1373 logState(); 1374 } 1375 1376 @Override 1377 public void onCallMergeFailed(ImsCall call, ImsReasonInfo reasonInfo) { 1378 if (DBG) log("onCallMergeFailed reasonInfo=" + reasonInfo); 1379 1380 // TODO: the call to notifySuppServiceFailed throws up the "merge failed" dialog 1381 // We should move this into the InCallService so that it is handled appropriately 1382 // based on the user facing UI. 1383 mPhone.notifySuppServiceFailed(Phone.SuppService.CONFERENCE); 1384 1385 // Start plumbing this even through Telecom so other components can take 1386 // appropriate action. 1387 ImsPhoneConnection conn = findConnection(call); 1388 if (conn != null) { 1389 conn.onConferenceMergeFailed(); 1390 } 1391 } 1392 1393 /** 1394 * Called when the state of IMS conference participant(s) has changed. 1395 * 1396 * @param call the call object that carries out the IMS call. 1397 * @param participants the participant(s) and their new state information. 1398 */ 1399 @Override 1400 public void onConferenceParticipantsStateChanged(ImsCall call, 1401 List<ConferenceParticipant> participants) { 1402 if (DBG) log("onConferenceParticipantsStateChanged"); 1403 1404 ImsPhoneConnection conn = findConnection(call); 1405 if (conn != null) { 1406 conn.updateConferenceParticipants(participants); 1407 } 1408 } 1409 1410 @Override 1411 public void onCallSessionTtyModeReceived(ImsCall call, int mode) { 1412 mPhone.onTtyModeReceived(mode); 1413 } 1414 1415 @Override 1416 public void onCallHandover(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 1417 ImsReasonInfo reasonInfo) { 1418 if (DBG) { 1419 log("onCallHandover :: srcAccessTech=" + srcAccessTech + ", targetAccessTech=" + 1420 targetAccessTech + ", reasonInfo=" + reasonInfo); 1421 } 1422 } 1423 1424 @Override 1425 public void onCallHandoverFailed(ImsCall imsCall, int srcAccessTech, int targetAccessTech, 1426 ImsReasonInfo reasonInfo) { 1427 if (DBG) { 1428 log("onCallHandoverFailed :: srcAccessTech=" + srcAccessTech + 1429 ", targetAccessTech=" + targetAccessTech + ", reasonInfo=" + reasonInfo); 1430 } 1431 } 1432 1433 /** 1434 * Handles a change to the multiparty state for an {@code ImsCall}. Notifies the associated 1435 * {@link ImsPhoneConnection} of the change. 1436 * 1437 * @param imsCall The IMS call. 1438 * @param isMultiParty {@code true} if the call became multiparty, {@code false} 1439 * otherwise. 1440 */ 1441 @Override 1442 public void onMultipartyStateChanged(ImsCall imsCall, boolean isMultiParty) { 1443 if (DBG) log("onMultipartyStateChanged to " + (isMultiParty ? "Y" : "N")); 1444 1445 ImsPhoneConnection conn = findConnection(imsCall); 1446 if (conn != null) { 1447 conn.updateMultipartyState(isMultiParty); 1448 } 1449 } 1450 }; 1451 1452 /** 1453 * Listen to the IMS call state change 1454 */ 1455 private ImsCall.Listener mImsUssdListener = new ImsCall.Listener() { 1456 @Override 1457 public void onCallStarted(ImsCall imsCall) { 1458 if (DBG) log("mImsUssdListener onCallStarted"); 1459 1460 if (imsCall == mUssdSession) { 1461 if (mPendingUssd != null) { 1462 AsyncResult.forMessage(mPendingUssd); 1463 mPendingUssd.sendToTarget(); 1464 mPendingUssd = null; 1465 } 1466 } 1467 } 1468 1469 @Override 1470 public void onCallStartFailed(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1471 if (DBG) log("mImsUssdListener onCallStartFailed reasonCode=" + reasonInfo.getCode()); 1472 1473 onCallTerminated(imsCall, reasonInfo); 1474 } 1475 1476 @Override 1477 public void onCallTerminated(ImsCall imsCall, ImsReasonInfo reasonInfo) { 1478 if (DBG) log("mImsUssdListener onCallTerminated reasonCode=" + reasonInfo.getCode()); 1479 1480 if (imsCall == mUssdSession) { 1481 mUssdSession = null; 1482 if (mPendingUssd != null) { 1483 CommandException ex = 1484 new CommandException(CommandException.Error.GENERIC_FAILURE); 1485 AsyncResult.forMessage(mPendingUssd, null, ex); 1486 mPendingUssd.sendToTarget(); 1487 mPendingUssd = null; 1488 } 1489 } 1490 imsCall.close(); 1491 } 1492 1493 @Override 1494 public void onCallUssdMessageReceived(ImsCall call, 1495 int mode, String ussdMessage) { 1496 if (DBG) log("mImsUssdListener onCallUssdMessageReceived mode=" + mode); 1497 1498 int ussdMode = -1; 1499 1500 switch(mode) { 1501 case ImsCall.USSD_MODE_REQUEST: 1502 ussdMode = CommandsInterface.USSD_MODE_REQUEST; 1503 break; 1504 1505 case ImsCall.USSD_MODE_NOTIFY: 1506 ussdMode = CommandsInterface.USSD_MODE_NOTIFY; 1507 break; 1508 } 1509 1510 mPhone.onIncomingUSSD(ussdMode, ussdMessage); 1511 } 1512 }; 1513 1514 /** 1515 * Listen to the IMS service state change 1516 * 1517 */ 1518 private ImsConnectionStateListener mImsConnectionStateListener = 1519 new ImsConnectionStateListener() { 1520 @Override 1521 public void onImsConnected() { 1522 if (DBG) log("onImsConnected"); 1523 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1524 mPhone.setImsRegistered(true); 1525 } 1526 1527 @Override 1528 public void onImsDisconnected(ImsReasonInfo imsReasonInfo) { 1529 if (DBG) log("onImsDisconnected imsReasonInfo=" + imsReasonInfo); 1530 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1531 mPhone.setImsRegistered(false); 1532 mPhone.processDisconnectReason(imsReasonInfo); 1533 } 1534 1535 @Override 1536 public void onImsProgressing() { 1537 if (DBG) log("onImsProgressing"); 1538 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1539 mPhone.setImsRegistered(false); 1540 } 1541 1542 @Override 1543 public void onImsResumed() { 1544 if (DBG) log("onImsResumed"); 1545 mPhone.setServiceState(ServiceState.STATE_IN_SERVICE); 1546 } 1547 1548 @Override 1549 public void onImsSuspended() { 1550 if (DBG) log("onImsSuspended"); 1551 mPhone.setServiceState(ServiceState.STATE_OUT_OF_SERVICE); 1552 } 1553 1554 @Override 1555 public void onFeatureCapabilityChanged(int serviceClass, 1556 int[] enabledFeatures, int[] disabledFeatures) { 1557 if (serviceClass == ImsServiceClass.MMTEL) { 1558 boolean tmpIsVideoCallEnabled = isVideoCallEnabled(); 1559 // Check enabledFeatures to determine capabilities. We ignore disabledFeatures. 1560 for (int i = ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE; 1561 i <= ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI; i++) { 1562 if (enabledFeatures[i] == i) { 1563 // If the feature is set to its own integer value it is enabled. 1564 if (DBG) log("onFeatureCapabilityChanged(" + i + ", " + mImsFeatureStrings[i] + "): value=true"); 1565 mImsFeatureEnabled[i] = true; 1566 } else if (enabledFeatures[i] 1567 == ImsConfig.FeatureConstants.FEATURE_TYPE_UNKNOWN) { 1568 // FEATURE_TYPE_UNKNOWN indicates that a feature is disabled. 1569 if (DBG) log("onFeatureCapabilityChanged(" + i + ", " + mImsFeatureStrings[i] + "): value=false"); 1570 mImsFeatureEnabled[i] = false; 1571 } else { 1572 // Feature has unknown state; it is not its own value or -1. 1573 if (DBG) { 1574 loge("onFeatureCapabilityChanged(" + i + ", " +mImsFeatureStrings[i] + "): unexpectedValue=" 1575 + enabledFeatures[i]); 1576 } 1577 } 1578 } 1579 if (tmpIsVideoCallEnabled != isVideoCallEnabled()) { 1580 mPhone.notifyForVideoCapabilityChanged(isVideoCallEnabled()); 1581 } 1582 1583 // TODO: Use the ImsCallSession or ImsCallProfile to tell the initial Wifi state and 1584 // {@link ImsCallSession.Listener#callSessionHandover} to listen for changes to 1585 // wifi capability caused by a handover. 1586 if (DBG) log("onFeatureCapabilityChanged: isVolteEnabled=" + isVolteEnabled() 1587 + ", isVideoCallEnabled=" + isVideoCallEnabled() 1588 + ", isVowifiEnabled=" + isVowifiEnabled() 1589 + ", isUtEnabled=" + isUtEnabled()); 1590 for (ImsPhoneConnection connection : mConnections) { 1591 connection.updateWifiState(); 1592 } 1593 1594 mPhone.onFeatureCapabilityChanged(); 1595 } 1596 } 1597 1598 @Override 1599 public void onVoiceMessageCountChanged(int count) { 1600 if (DBG) log("onVoiceMessageCountChanged :: count=" + count); 1601 mPhone.mDefaultPhone.setVoiceMessageCount(count); 1602 } 1603 }; 1604 1605 /* package */ 1606 ImsUtInterface getUtInterface() throws ImsException { 1607 if (mImsManager == null) { 1608 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1609 } 1610 1611 ImsUtInterface ut = mImsManager.getSupplementaryServiceConfiguration(mServiceId); 1612 return ut; 1613 } 1614 1615 private void transferHandoverConnections(ImsPhoneCall call) { 1616 if (call.mConnections != null) { 1617 for (Connection c : call.mConnections) { 1618 c.mPreHandoverState = call.mState; 1619 log ("Connection state before handover is " + c.getStateBeforeHandover()); 1620 } 1621 } 1622 if (mHandoverCall.mConnections == null ) { 1623 mHandoverCall.mConnections = call.mConnections; 1624 } else { // Multi-call SRVCC 1625 mHandoverCall.mConnections.addAll(call.mConnections); 1626 } 1627 if (mHandoverCall.mConnections != null) { 1628 if (call.getImsCall() != null) { 1629 call.getImsCall().close(); 1630 } 1631 for (Connection c : mHandoverCall.mConnections) { 1632 ((ImsPhoneConnection)c).changeParent(mHandoverCall); 1633 ((ImsPhoneConnection)c).releaseWakeLock(); 1634 } 1635 } 1636 if (call.getState().isAlive()) { 1637 log ("Call is alive and state is " + call.mState); 1638 mHandoverCall.mState = call.mState; 1639 } 1640 call.mConnections.clear(); 1641 call.mState = ImsPhoneCall.State.IDLE; 1642 } 1643 1644 /* package */ 1645 void notifySrvccState(Call.SrvccState state) { 1646 if (DBG) log("notifySrvccState state=" + state); 1647 1648 mSrvccState = state; 1649 1650 if (mSrvccState == Call.SrvccState.COMPLETED) { 1651 transferHandoverConnections(mForegroundCall); 1652 transferHandoverConnections(mBackgroundCall); 1653 transferHandoverConnections(mRingingCall); 1654 } 1655 } 1656 1657 //****** Overridden from Handler 1658 1659 @Override 1660 public void 1661 handleMessage (Message msg) { 1662 AsyncResult ar; 1663 if (DBG) log("handleMessage what=" + msg.what); 1664 1665 switch (msg.what) { 1666 case EVENT_HANGUP_PENDINGMO: 1667 if (mPendingMO != null) { 1668 mPendingMO.onDisconnect(); 1669 removeConnection(mPendingMO); 1670 mPendingMO = null; 1671 } 1672 mPendingIntentExtras = null; 1673 updatePhoneState(); 1674 mPhone.notifyPreciseCallStateChanged(); 1675 break; 1676 case EVENT_RESUME_BACKGROUND: 1677 try { 1678 resumeWaitingOrHolding(); 1679 } catch (CallStateException e) { 1680 if (Phone.DEBUG_PHONE) { 1681 loge("handleMessage EVENT_RESUME_BACKGROUND exception=" + e); 1682 } 1683 } 1684 break; 1685 case EVENT_DIAL_PENDINGMO: 1686 dialInternal(mPendingMO, mClirMode, mPendingCallVideoState, mPendingIntentExtras); 1687 mPendingIntentExtras = null; 1688 break; 1689 1690 case EVENT_EXIT_ECM_RESPONSE_CDMA: 1691 // no matter the result, we still do the same here 1692 if (pendingCallInEcm) { 1693 dialInternal(mPendingMO, pendingCallClirMode, 1694 mPendingCallVideoState, mPendingIntentExtras); 1695 mPendingIntentExtras = null; 1696 pendingCallInEcm = false; 1697 } 1698 mPhone.unsetOnEcbModeExitResponse(this); 1699 break; 1700 } 1701 } 1702 1703 @Override 1704 protected void log(String msg) { 1705 Rlog.d(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1706 } 1707 1708 protected void loge(String msg) { 1709 Rlog.e(LOG_TAG, "[ImsPhoneCallTracker] " + msg); 1710 } 1711 1712 /** 1713 * Logs the current state of the ImsPhoneCallTracker. Useful for debugging issues with 1714 * call tracking. 1715 */ 1716 /* package */ 1717 void logState() { 1718 if (!VERBOSE_STATE_LOGGING) { 1719 return; 1720 } 1721 1722 StringBuilder sb = new StringBuilder(); 1723 sb.append("Current IMS PhoneCall State:\n"); 1724 sb.append(" Foreground: "); 1725 sb.append(mForegroundCall); 1726 sb.append("\n"); 1727 sb.append(" Background: "); 1728 sb.append(mBackgroundCall); 1729 sb.append("\n"); 1730 sb.append(" Ringing: "); 1731 sb.append(mRingingCall); 1732 sb.append("\n"); 1733 sb.append(" Handover: "); 1734 sb.append(mHandoverCall); 1735 sb.append("\n"); 1736 Rlog.v(LOG_TAG, sb.toString()); 1737 } 1738 1739 @Override 1740 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1741 pw.println("ImsPhoneCallTracker extends:"); 1742 super.dump(fd, pw, args); 1743 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 1744 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 1745 pw.println(" mRingingCall=" + mRingingCall); 1746 pw.println(" mForegroundCall=" + mForegroundCall); 1747 pw.println(" mBackgroundCall=" + mBackgroundCall); 1748 pw.println(" mHandoverCall=" + mHandoverCall); 1749 pw.println(" mPendingMO=" + mPendingMO); 1750 //pw.println(" mHangupPendingMO=" + mHangupPendingMO); 1751 pw.println(" mPhone=" + mPhone); 1752 pw.println(" mDesiredMute=" + mDesiredMute); 1753 pw.println(" mState=" + mState); 1754 } 1755 1756 @Override 1757 protected void handlePollCalls(AsyncResult ar) { 1758 } 1759 1760 /* package */ 1761 ImsEcbm getEcbmInterface() throws ImsException { 1762 if (mImsManager == null) { 1763 throw new ImsException("no ims manager", ImsReasonInfo.CODE_UNSPECIFIED); 1764 } 1765 1766 ImsEcbm ecbm = mImsManager.getEcbmInterface(mServiceId); 1767 return ecbm; 1768 } 1769 1770 public boolean isInEmergencyCall() { 1771 return mIsInEmergencyCall; 1772 } 1773 1774 public boolean isVolteEnabled() { 1775 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_LTE]; 1776 } 1777 1778 public boolean isVowifiEnabled() { 1779 return mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VOICE_OVER_WIFI]; 1780 } 1781 1782 public boolean isVideoCallEnabled() { 1783 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_LTE] 1784 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_VIDEO_OVER_WIFI]); 1785 } 1786 1787 @Override 1788 public PhoneConstants.State getState() { 1789 return mState; 1790 } 1791 1792 private void setVideoCallProvider(ImsPhoneConnection conn, ImsCall imsCall) 1793 throws RemoteException { 1794 IImsVideoCallProvider imsVideoCallProvider = 1795 imsCall.getCallSession().getVideoCallProvider(); 1796 if (imsVideoCallProvider != null) { 1797 ImsVideoCallProviderWrapper imsVideoCallProviderWrapper = 1798 new ImsVideoCallProviderWrapper(imsVideoCallProvider); 1799 conn.setVideoProvider(imsVideoCallProviderWrapper); 1800 } 1801 } 1802 1803 public boolean isUtEnabled() { 1804 return (mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_LTE] 1805 || mImsFeatureEnabled[ImsConfig.FeatureConstants.FEATURE_TYPE_UT_OVER_WIFI]); 1806 } 1807} 1808