1/* 2 * Copyright (C) 2006 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.gsm; 18 19import android.os.*; 20import android.telephony.gsm.GsmCellLocation; 21import android.telephony.PhoneNumberUtils; 22import android.telephony.ServiceState; 23import android.telephony.TelephonyManager; 24import android.util.EventLog; 25import android.util.Log; 26 27import com.android.internal.telephony.CallStateException; 28import com.android.internal.telephony.CallTracker; 29import com.android.internal.telephony.CommandsInterface; 30import com.android.internal.telephony.Connection; 31import com.android.internal.telephony.DriverCall; 32import com.android.internal.telephony.gsm.CallFailCause; 33import com.android.internal.telephony.gsm.GsmCall; 34import com.android.internal.telephony.gsm.GsmConnection; 35import com.android.internal.telephony.gsm.GSMPhone; 36import com.android.internal.telephony.Phone; 37import com.android.internal.telephony.TelephonyEventLog; 38import com.android.internal.telephony.*; 39 40import java.util.List; 41import java.util.ArrayList; 42 43/** 44 * {@hide} 45 */ 46public final class GsmCallTracker extends CallTracker { 47 static final String LOG_TAG = "GSM"; 48 private static final boolean REPEAT_POLLING = false; 49 50 private static final boolean DBG_POLL = false; 51 52 //***** Constants 53 54 static final int MAX_CONNECTIONS = 7; // only 7 connections allowed in GSM 55 static final int MAX_CONNECTIONS_PER_CALL = 5; // only 5 connections allowed per call 56 57 //***** Instance Variables 58 GsmConnection connections[] = new GsmConnection[MAX_CONNECTIONS]; 59 RegistrantList voiceCallEndedRegistrants = new RegistrantList(); 60 RegistrantList voiceCallStartedRegistrants = new RegistrantList(); 61 62 63 // connections dropped durin last poll 64 ArrayList<GsmConnection> droppedDuringPoll 65 = new ArrayList<GsmConnection>(MAX_CONNECTIONS); 66 67 GsmCall ringingCall = new GsmCall(this); 68 // A call that is ringing or (call) waiting 69 GsmCall foregroundCall = new GsmCall(this); 70 GsmCall backgroundCall = new GsmCall(this); 71 72 GsmConnection pendingMO; 73 boolean hangupPendingMO; 74 75 GSMPhone phone; 76 77 boolean desiredMute = false; // false = mute off 78 79 Phone.State state = Phone.State.IDLE; 80 81 82 83 //***** Events 84 85 86 //***** Constructors 87 88 GsmCallTracker (GSMPhone phone) { 89 this.phone = phone; 90 cm = phone.mCM; 91 92 cm.registerForCallStateChanged(this, EVENT_CALL_STATE_CHANGE, null); 93 94 cm.registerForOn(this, EVENT_RADIO_AVAILABLE, null); 95 cm.registerForNotAvailable(this, EVENT_RADIO_NOT_AVAILABLE, null); 96 } 97 98 public void dispose() { 99 //Unregister for all events 100 cm.unregisterForCallStateChanged(this); 101 cm.unregisterForOn(this); 102 cm.unregisterForNotAvailable(this); 103 104 for(GsmConnection c : connections) { 105 try { 106 if(c != null) hangup(c); 107 } catch (CallStateException ex) { 108 Log.e(LOG_TAG, "unexpected error on hangup during dispose"); 109 } 110 } 111 112 try { 113 if(pendingMO != null) hangup(pendingMO); 114 } catch (CallStateException ex) { 115 Log.e(LOG_TAG, "unexpected error on hangup during dispose"); 116 } 117 118 clearDisconnected(); 119 } 120 121 protected void finalize() { 122 Log.d(LOG_TAG, "GsmCallTracker finalized"); 123 } 124 125 //***** Instance Methods 126 127 //***** Public Methods 128 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 129 Registrant r = new Registrant(h, what, obj); 130 voiceCallStartedRegistrants.add(r); 131 } 132 133 public void unregisterForVoiceCallStarted(Handler h) { 134 voiceCallStartedRegistrants.remove(h); 135 } 136 137 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 138 Registrant r = new Registrant(h, what, obj); 139 voiceCallEndedRegistrants.add(r); 140 } 141 142 public void unregisterForVoiceCallEnded(Handler h) { 143 voiceCallEndedRegistrants.remove(h); 144 } 145 146 private void 147 fakeHoldForegroundBeforeDial() { 148 List<Connection> connCopy; 149 150 // We need to make a copy here, since fakeHoldBeforeDial() 151 // modifies the lists, and we don't want to reverse the order 152 connCopy = (List<Connection>) foregroundCall.connections.clone(); 153 154 for (int i = 0, s = connCopy.size() ; i < s ; i++) { 155 GsmConnection conn = (GsmConnection)connCopy.get(i); 156 157 conn.fakeHoldBeforeDial(); 158 } 159 } 160 161 /** 162 * clirMode is one of the CLIR_ constants 163 */ 164 Connection 165 dial (String dialString, int clirMode) throws CallStateException { 166 // note that this triggers call state changed notif 167 clearDisconnected(); 168 169 if (!canDial()) { 170 throw new CallStateException("cannot dial in current state"); 171 } 172 173 // The new call must be assigned to the foreground call. 174 // That call must be idle, so place anything that's 175 // there on hold 176 if (foregroundCall.getState() == GsmCall.State.ACTIVE) { 177 // this will probably be done by the radio anyway 178 // but the dial might fail before this happens 179 // and we need to make sure the foreground call is clear 180 // for the newly dialed connection 181 switchWaitingOrHoldingAndActive(); 182 183 // Fake local state so that 184 // a) foregroundCall is empty for the newly dialed connection 185 // b) hasNonHangupStateChanged remains false in the 186 // next poll, so that we don't clear a failed dialing call 187 fakeHoldForegroundBeforeDial(); 188 } 189 190 if (foregroundCall.getState() != GsmCall.State.IDLE) { 191 //we should have failed in !canDial() above before we get here 192 throw new CallStateException("cannot dial in current state"); 193 } 194 195 pendingMO = new GsmConnection(phone.getContext(), dialString, this, foregroundCall); 196 hangupPendingMO = false; 197 198 if (pendingMO.address == null || pendingMO.address.length() == 0 199 || pendingMO.address.indexOf(PhoneNumberUtils.WILD) >= 0 200 ) { 201 // Phone number is invalid 202 pendingMO.cause = Connection.DisconnectCause.INVALID_NUMBER; 203 204 // handlePollCalls() will notice this call not present 205 // and will mark it as dropped. 206 pollCallsWhenSafe(); 207 } else { 208 // Always unmute when initiating a new call 209 setMute(false); 210 211 cm.dial(pendingMO.address, clirMode, obtainCompleteMessage()); 212 } 213 214 updatePhoneState(); 215 phone.notifyCallStateChanged(); 216 217 return pendingMO; 218 } 219 220 221 Connection 222 dial (String dialString) throws CallStateException { 223 return dial(dialString, CommandsInterface.CLIR_DEFAULT); 224 } 225 226 void 227 acceptCall () throws CallStateException { 228 // FIXME if SWITCH fails, should retry with ANSWER 229 // in case the active/holding call disappeared and this 230 // is no longer call waiting 231 232 if (ringingCall.getState() == GsmCall.State.INCOMING) { 233 Log.i("phone", "acceptCall: incoming..."); 234 // Always unmute when answering a new call 235 setMute(false); 236 cm.acceptCall(obtainCompleteMessage()); 237 } else if (ringingCall.getState() == GsmCall.State.WAITING) { 238 setMute(false); 239 switchWaitingOrHoldingAndActive(); 240 } else { 241 throw new CallStateException("phone not ringing"); 242 } 243 } 244 245 void 246 rejectCall () throws CallStateException { 247 // AT+CHLD=0 means "release held or UDUB" 248 // so if the phone isn't ringing, this could hang up held 249 if (ringingCall.getState().isRinging()) { 250 cm.rejectCall(obtainCompleteMessage()); 251 } else { 252 throw new CallStateException("phone not ringing"); 253 } 254 } 255 256 void 257 switchWaitingOrHoldingAndActive() throws CallStateException { 258 // Should we bother with this check? 259 if (ringingCall.getState() == GsmCall.State.INCOMING) { 260 throw new CallStateException("cannot be in the incoming state"); 261 } else { 262 cm.switchWaitingOrHoldingAndActive( 263 obtainCompleteMessage(EVENT_SWITCH_RESULT)); 264 } 265 } 266 267 void 268 conference() throws CallStateException { 269 cm.conference(obtainCompleteMessage(EVENT_CONFERENCE_RESULT)); 270 } 271 272 void 273 explicitCallTransfer() throws CallStateException { 274 cm.explicitCallTransfer(obtainCompleteMessage(EVENT_ECT_RESULT)); 275 } 276 277 void 278 clearDisconnected() { 279 internalClearDisconnected(); 280 281 updatePhoneState(); 282 phone.notifyCallStateChanged(); 283 } 284 285 boolean 286 canConference() { 287 return foregroundCall.getState() == GsmCall.State.ACTIVE 288 && backgroundCall.getState() == GsmCall.State.HOLDING 289 && !backgroundCall.isFull() 290 && !foregroundCall.isFull(); 291 } 292 293 boolean 294 canDial() { 295 boolean ret; 296 int serviceState = phone.getServiceState().getState(); 297 298 ret = (serviceState != ServiceState.STATE_POWER_OFF) && 299 pendingMO == null 300 && !ringingCall.isRinging() 301 && (!foregroundCall.getState().isAlive() 302 || !backgroundCall.getState().isAlive()); 303 304 return ret; 305 } 306 307 boolean 308 canTransfer() { 309 return foregroundCall.getState() == GsmCall.State.ACTIVE 310 && backgroundCall.getState() == GsmCall.State.HOLDING; 311 } 312 313 //***** Private Instance Methods 314 315 private void 316 internalClearDisconnected() { 317 ringingCall.clearDisconnected(); 318 foregroundCall.clearDisconnected(); 319 backgroundCall.clearDisconnected(); 320 } 321 322 /** 323 * Obtain a message to use for signalling "invoke getCurrentCalls() when 324 * this operation and all other pending operations are complete 325 */ 326 private Message 327 obtainCompleteMessage() { 328 return obtainCompleteMessage(EVENT_OPERATION_COMPLETE); 329 } 330 331 /** 332 * Obtain a message to use for signalling "invoke getCurrentCalls() when 333 * this operation and all other pending operations are complete 334 */ 335 private Message 336 obtainCompleteMessage(int what) { 337 pendingOperations++; 338 lastRelevantPoll = null; 339 needsPoll = true; 340 341 if (DBG_POLL) log("obtainCompleteMessage: pendingOperations=" + 342 pendingOperations + ", needsPoll=" + needsPoll); 343 344 return obtainMessage(what); 345 } 346 347 private void 348 operationComplete() { 349 pendingOperations--; 350 351 if (DBG_POLL) log("operationComplete: pendingOperations=" + 352 pendingOperations + ", needsPoll=" + needsPoll); 353 354 if (pendingOperations == 0 && needsPoll) { 355 lastRelevantPoll = obtainMessage(EVENT_POLL_CALLS_RESULT); 356 cm.getCurrentCalls(lastRelevantPoll); 357 } else if (pendingOperations < 0) { 358 // this should never happen 359 Log.e(LOG_TAG,"GsmCallTracker.pendingOperations < 0"); 360 pendingOperations = 0; 361 } 362 } 363 364 private void 365 updatePhoneState() { 366 Phone.State oldState = state; 367 368 if (ringingCall.isRinging()) { 369 state = Phone.State.RINGING; 370 } else if (pendingMO != null || 371 !(foregroundCall.isIdle() && backgroundCall.isIdle())) { 372 state = Phone.State.OFFHOOK; 373 } else { 374 state = Phone.State.IDLE; 375 } 376 377 if (state == Phone.State.IDLE && oldState != state) { 378 voiceCallEndedRegistrants.notifyRegistrants( 379 new AsyncResult(null, null, null)); 380 } else if (oldState == Phone.State.IDLE && oldState != state) { 381 voiceCallStartedRegistrants.notifyRegistrants ( 382 new AsyncResult(null, null, null)); 383 } 384 385 if (state != oldState) { 386 phone.notifyPhoneStateChanged(); 387 } 388 } 389 390 protected void 391 handlePollCalls(AsyncResult ar) { 392 List polledCalls; 393 394 if (ar.exception == null) { 395 polledCalls = (List)ar.result; 396 } else if (isCommandExceptionRadioNotAvailable(ar.exception)) { 397 // just a dummy empty ArrayList to cause the loop 398 // to hang up all the calls 399 polledCalls = new ArrayList(); 400 } else { 401 // Radio probably wasn't ready--try again in a bit 402 // But don't keep polling if the channel is closed 403 pollCallsAfterDelay(); 404 return; 405 } 406 407 Connection newRinging = null; //or waiting 408 boolean hasNonHangupStateChanged = false; // Any change besides 409 // a dropped connection 410 boolean needsPollDelay = false; 411 boolean unknownConnectionAppeared = false; 412 413 for (int i = 0, curDC = 0, dcSize = polledCalls.size() 414 ; i < connections.length; i++) { 415 GsmConnection conn = connections[i]; 416 DriverCall dc = null; 417 418 // polledCall list is sparse 419 if (curDC < dcSize) { 420 dc = (DriverCall) polledCalls.get(curDC); 421 422 if (dc.index == i+1) { 423 curDC++; 424 } else { 425 dc = null; 426 } 427 } 428 429 if (DBG_POLL) log("poll: conn[i=" + i + "]=" + 430 conn+", dc=" + dc); 431 432 if (conn == null && dc != null) { 433 // Connection appeared in CLCC response that we don't know about 434 if (pendingMO != null && pendingMO.compareTo(dc)) { 435 436 if (DBG_POLL) log("poll: pendingMO=" + pendingMO); 437 438 // It's our pending mobile originating call 439 connections[i] = pendingMO; 440 pendingMO.index = i; 441 pendingMO.update(dc); 442 pendingMO = null; 443 444 // Someone has already asked to hangup this call 445 if (hangupPendingMO) { 446 hangupPendingMO = false; 447 try { 448 if (Phone.DEBUG_PHONE) log( 449 "poll: hangupPendingMO, hangup conn " + i); 450 hangup(connections[i]); 451 } catch (CallStateException ex) { 452 Log.e(LOG_TAG, "unexpected error on hangup"); 453 } 454 455 // Do not continue processing this poll 456 // Wait for hangup and repoll 457 return; 458 } 459 } else { 460 connections[i] = new GsmConnection(phone.getContext(), dc, this, i); 461 462 // it's a ringing call 463 if (connections[i].getCall() == ringingCall) { 464 newRinging = connections[i]; 465 } else { 466 // Something strange happened: a call appeared 467 // which is neither a ringing call or one we created. 468 // Either we've crashed and re-attached to an existing 469 // call, or something else (eg, SIM) initiated the call. 470 471 Log.i(LOG_TAG,"Phantom call appeared " + dc); 472 473 // If it's a connected call, set the connect time so that 474 // it's non-zero. It may not be accurate, but at least 475 // it won't appear as a Missed Call. 476 if (dc.state != DriverCall.State.ALERTING 477 && dc.state != DriverCall.State.DIALING) { 478 connections[i].connectTime = System.currentTimeMillis(); 479 } 480 481 unknownConnectionAppeared = true; 482 } 483 } 484 hasNonHangupStateChanged = true; 485 } else if (conn != null && dc == null) { 486 // Connection missing in CLCC response that we were 487 // tracking. 488 droppedDuringPoll.add(conn); 489 // Dropped connections are removed from the CallTracker 490 // list but kept in the GsmCall list 491 connections[i] = null; 492 } else if (conn != null && dc != null && !conn.compareTo(dc)) { 493 // Connection in CLCC response does not match what 494 // we were tracking. Assume dropped call and new call 495 496 droppedDuringPoll.add(conn); 497 connections[i] = new GsmConnection (phone.getContext(), dc, this, i); 498 499 if (connections[i].getCall() == ringingCall) { 500 newRinging = connections[i]; 501 } // else something strange happened 502 hasNonHangupStateChanged = true; 503 } else if (conn != null && dc != null) { /* implicit conn.compareTo(dc) */ 504 boolean changed; 505 changed = conn.update(dc); 506 hasNonHangupStateChanged = hasNonHangupStateChanged || changed; 507 } 508 509 if (REPEAT_POLLING) { 510 if (dc != null) { 511 // FIXME with RIL, we should not need this anymore 512 if ((dc.state == DriverCall.State.DIALING 513 /*&& cm.getOption(cm.OPTION_POLL_DIALING)*/) 514 || (dc.state == DriverCall.State.ALERTING 515 /*&& cm.getOption(cm.OPTION_POLL_ALERTING)*/) 516 || (dc.state == DriverCall.State.INCOMING 517 /*&& cm.getOption(cm.OPTION_POLL_INCOMING)*/) 518 || (dc.state == DriverCall.State.WAITING 519 /*&& cm.getOption(cm.OPTION_POLL_WAITING)*/) 520 ) { 521 // Sometimes there's no unsolicited notification 522 // for state transitions 523 needsPollDelay = true; 524 } 525 } 526 } 527 } 528 529 // This is the first poll after an ATD. 530 // We expect the pending call to appear in the list 531 // If it does not, we land here 532 if (pendingMO != null) { 533 Log.d(LOG_TAG,"Pending MO dropped before poll fg state:" 534 + foregroundCall.getState()); 535 536 droppedDuringPoll.add(pendingMO); 537 pendingMO = null; 538 hangupPendingMO = false; 539 } 540 541 if (newRinging != null) { 542 phone.notifyNewRingingConnection(newRinging); 543 } 544 545 // clear the "local hangup" and "missed/rejected call" 546 // cases from the "dropped during poll" list 547 // These cases need no "last call fail" reason 548 for (int i = droppedDuringPoll.size() - 1; i >= 0 ; i--) { 549 GsmConnection conn = droppedDuringPoll.get(i); 550 551 if (conn.isIncoming() && conn.getConnectTime() == 0) { 552 // Missed or rejected call 553 Connection.DisconnectCause cause; 554 if (conn.cause == Connection.DisconnectCause.LOCAL) { 555 cause = Connection.DisconnectCause.INCOMING_REJECTED; 556 } else { 557 cause = Connection.DisconnectCause.INCOMING_MISSED; 558 } 559 560 if (Phone.DEBUG_PHONE) { 561 log("missed/rejected call, conn.cause=" + conn.cause); 562 log("setting cause to " + cause); 563 } 564 droppedDuringPoll.remove(i); 565 conn.onDisconnect(cause); 566 } else if (conn.cause == Connection.DisconnectCause.LOCAL) { 567 // Local hangup 568 droppedDuringPoll.remove(i); 569 conn.onDisconnect(Connection.DisconnectCause.LOCAL); 570 } else if (conn.cause == 571 Connection.DisconnectCause.INVALID_NUMBER) { 572 droppedDuringPoll.remove(i); 573 conn.onDisconnect(Connection.DisconnectCause.INVALID_NUMBER); 574 } 575 } 576 577 // Any non-local disconnects: determine cause 578 if (droppedDuringPoll.size() > 0) { 579 cm.getLastCallFailCause( 580 obtainNoPollCompleteMessage(EVENT_GET_LAST_CALL_FAIL_CAUSE)); 581 } 582 583 if (needsPollDelay) { 584 pollCallsAfterDelay(); 585 } 586 587 // Cases when we can no longer keep disconnected Connection's 588 // with their previous calls 589 // 1) the phone has started to ring 590 // 2) A Call/Connection object has changed state... 591 // we may have switched or held or answered (but not hung up) 592 if (newRinging != null || hasNonHangupStateChanged) { 593 internalClearDisconnected(); 594 } 595 596 updatePhoneState(); 597 598 if (unknownConnectionAppeared) { 599 phone.notifyUnknownConnection(); 600 } 601 602 if (hasNonHangupStateChanged || newRinging != null) { 603 phone.notifyCallStateChanged(); 604 } 605 606 //dumpState(); 607 } 608 609 private void 610 handleRadioNotAvailable() { 611 // handlePollCalls will clear out its 612 // call list when it gets the CommandException 613 // error result from this 614 pollCallsWhenSafe(); 615 } 616 617 private void 618 dumpState() { 619 List l; 620 621 Log.i(LOG_TAG,"Phone State:" + state); 622 623 Log.i(LOG_TAG,"Ringing call: " + ringingCall.toString()); 624 625 l = ringingCall.getConnections(); 626 for (int i = 0, s = l.size(); i < s; i++) { 627 Log.i(LOG_TAG,l.get(i).toString()); 628 } 629 630 Log.i(LOG_TAG,"Foreground call: " + foregroundCall.toString()); 631 632 l = foregroundCall.getConnections(); 633 for (int i = 0, s = l.size(); i < s; i++) { 634 Log.i(LOG_TAG,l.get(i).toString()); 635 } 636 637 Log.i(LOG_TAG,"Background call: " + backgroundCall.toString()); 638 639 l = backgroundCall.getConnections(); 640 for (int i = 0, s = l.size(); i < s; i++) { 641 Log.i(LOG_TAG,l.get(i).toString()); 642 } 643 644 } 645 646 //***** Called from GsmConnection 647 648 /*package*/ void 649 hangup (GsmConnection conn) throws CallStateException { 650 if (conn.owner != this) { 651 throw new CallStateException ("GsmConnection " + conn 652 + "does not belong to GsmCallTracker " + this); 653 } 654 655 if (conn == pendingMO) { 656 // We're hanging up an outgoing call that doesn't have it's 657 // GSM index assigned yet 658 659 if (Phone.DEBUG_PHONE) log("hangup: set hangupPendingMO to true"); 660 hangupPendingMO = true; 661 } else { 662 try { 663 cm.hangupConnection (conn.getGSMIndex(), obtainCompleteMessage()); 664 } catch (CallStateException ex) { 665 // Ignore "connection not found" 666 // Call may have hung up already 667 Log.w(LOG_TAG,"GsmCallTracker WARN: hangup() on absent connection " 668 + conn); 669 } 670 } 671 672 conn.onHangupLocal(); 673 } 674 675 /*package*/ void 676 separate (GsmConnection conn) throws CallStateException { 677 if (conn.owner != this) { 678 throw new CallStateException ("GsmConnection " + conn 679 + "does not belong to GsmCallTracker " + this); 680 } 681 try { 682 cm.separateConnection (conn.getGSMIndex(), 683 obtainCompleteMessage(EVENT_SEPARATE_RESULT)); 684 } catch (CallStateException ex) { 685 // Ignore "connection not found" 686 // Call may have hung up already 687 Log.w(LOG_TAG,"GsmCallTracker WARN: separate() on absent connection " 688 + conn); 689 } 690 } 691 692 //***** Called from GSMPhone 693 694 /*package*/ void 695 setMute(boolean mute) { 696 desiredMute = mute; 697 cm.setMute(desiredMute, null); 698 } 699 700 /*package*/ boolean 701 getMute() { 702 return desiredMute; 703 } 704 705 706 //***** Called from GsmCall 707 708 /* package */ void 709 hangup (GsmCall call) throws CallStateException { 710 if (call.getConnections().size() == 0) { 711 throw new CallStateException("no connections in call"); 712 } 713 714 if (call == ringingCall) { 715 if (Phone.DEBUG_PHONE) log("(ringing) hangup waiting or background"); 716 cm.hangupWaitingOrBackground(obtainCompleteMessage()); 717 } else if (call == foregroundCall) { 718 if (call.isDialingOrAlerting()) { 719 if (Phone.DEBUG_PHONE) { 720 log("(foregnd) hangup dialing or alerting..."); 721 } 722 hangup((GsmConnection)(call.getConnections().get(0))); 723 } else { 724 hangupForegroundResumeBackground(); 725 } 726 } else if (call == backgroundCall) { 727 if (ringingCall.isRinging()) { 728 if (Phone.DEBUG_PHONE) { 729 log("hangup all conns in background call"); 730 } 731 hangupAllConnections(call); 732 } else { 733 hangupWaitingOrBackground(); 734 } 735 } else { 736 throw new RuntimeException ("GsmCall " + call + 737 "does not belong to GsmCallTracker " + this); 738 } 739 740 call.onHangupLocal(); 741 } 742 743 /* package */ 744 void hangupWaitingOrBackground() { 745 if (Phone.DEBUG_PHONE) log("hangupWaitingOrBackground"); 746 cm.hangupWaitingOrBackground(obtainCompleteMessage()); 747 } 748 749 /* package */ 750 void hangupForegroundResumeBackground() { 751 if (Phone.DEBUG_PHONE) log("hangupForegroundResumeBackground"); 752 cm.hangupForegroundResumeBackground(obtainCompleteMessage()); 753 } 754 755 void hangupConnectionByIndex(GsmCall call, int index) 756 throws CallStateException { 757 int count = call.connections.size(); 758 for (int i = 0; i < count; i++) { 759 GsmConnection cn = (GsmConnection)call.connections.get(i); 760 if (cn.getGSMIndex() == index) { 761 cm.hangupConnection(index, obtainCompleteMessage()); 762 return; 763 } 764 } 765 766 throw new CallStateException("no gsm index found"); 767 } 768 769 void hangupAllConnections(GsmCall call) throws CallStateException{ 770 try { 771 int count = call.connections.size(); 772 for (int i = 0; i < count; i++) { 773 GsmConnection cn = (GsmConnection)call.connections.get(i); 774 cm.hangupConnection(cn.getGSMIndex(), obtainCompleteMessage()); 775 } 776 } catch (CallStateException ex) { 777 Log.e(LOG_TAG, "hangupConnectionByIndex caught " + ex); 778 } 779 } 780 781 /* package */ 782 GsmConnection getConnectionByIndex(GsmCall call, int index) 783 throws CallStateException { 784 int count = call.connections.size(); 785 for (int i = 0; i < count; i++) { 786 GsmConnection cn = (GsmConnection)call.connections.get(i); 787 if (cn.getGSMIndex() == index) { 788 return cn; 789 } 790 } 791 792 return null; 793 } 794 795 private Phone.SuppService getFailedService(int what) { 796 switch (what) { 797 case EVENT_SWITCH_RESULT: 798 return Phone.SuppService.SWITCH; 799 case EVENT_CONFERENCE_RESULT: 800 return Phone.SuppService.CONFERENCE; 801 case EVENT_SEPARATE_RESULT: 802 return Phone.SuppService.SEPARATE; 803 case EVENT_ECT_RESULT: 804 return Phone.SuppService.TRANSFER; 805 } 806 return Phone.SuppService.UNKNOWN; 807 } 808 809 //****** Overridden from Handler 810 811 public void 812 handleMessage (Message msg) { 813 AsyncResult ar; 814 815 switch (msg.what) { 816 case EVENT_POLL_CALLS_RESULT: 817 ar = (AsyncResult)msg.obj; 818 819 if (msg == lastRelevantPoll) { 820 if (DBG_POLL) log( 821 "handle EVENT_POLL_CALL_RESULT: set needsPoll=F"); 822 needsPoll = false; 823 lastRelevantPoll = null; 824 handlePollCalls((AsyncResult)msg.obj); 825 } 826 break; 827 828 case EVENT_OPERATION_COMPLETE: 829 ar = (AsyncResult)msg.obj; 830 operationComplete(); 831 break; 832 833 case EVENT_SWITCH_RESULT: 834 case EVENT_CONFERENCE_RESULT: 835 case EVENT_SEPARATE_RESULT: 836 case EVENT_ECT_RESULT: 837 ar = (AsyncResult)msg.obj; 838 if (ar.exception != null) { 839 phone.notifySuppServiceFailed(getFailedService(msg.what)); 840 } 841 operationComplete(); 842 break; 843 844 case EVENT_GET_LAST_CALL_FAIL_CAUSE: 845 int causeCode; 846 ar = (AsyncResult)msg.obj; 847 848 operationComplete(); 849 850 if (ar.exception != null) { 851 // An exception occurred...just treat the disconnect 852 // cause as "normal" 853 causeCode = CallFailCause.NORMAL_CLEARING; 854 Log.i(LOG_TAG, 855 "Exception during getLastCallFailCause, assuming normal disconnect"); 856 } else { 857 causeCode = ((int[])ar.result)[0]; 858 } 859 // Log the causeCode if its not normal 860 if (causeCode == CallFailCause.NO_CIRCUIT_AVAIL || 861 causeCode == CallFailCause.TEMPORARY_FAILURE || 862 causeCode == CallFailCause.SWITCHING_CONGESTION || 863 causeCode == CallFailCause.CHANNEL_NOT_AVAIL || 864 causeCode == CallFailCause.QOS_NOT_AVAIL || 865 causeCode == CallFailCause.BEARER_NOT_AVAIL || 866 causeCode == CallFailCause.ERROR_UNSPECIFIED) { 867 int cid = -1; 868 GsmCellLocation loc = ((GsmCellLocation)phone.getCellLocation()); 869 if (loc != null) cid = loc.getCid(); 870 871 EventLog.List val = new EventLog.List(causeCode, cid, 872 TelephonyManager.getDefault().getNetworkType()); 873 EventLog.writeEvent(TelephonyEventLog.EVENT_LOG_CALL_DROP, val); 874 } 875 876 for (int i = 0, s = droppedDuringPoll.size() 877 ; i < s ; i++ 878 ) { 879 GsmConnection conn = droppedDuringPoll.get(i); 880 881 conn.onRemoteDisconnect(causeCode); 882 } 883 884 updatePhoneState(); 885 886 phone.notifyCallStateChanged(); 887 droppedDuringPoll.clear(); 888 break; 889 890 case EVENT_REPOLL_AFTER_DELAY: 891 case EVENT_CALL_STATE_CHANGE: 892 pollCallsWhenSafe(); 893 break; 894 895 case EVENT_RADIO_AVAILABLE: 896 handleRadioAvailable(); 897 break; 898 899 case EVENT_RADIO_NOT_AVAILABLE: 900 handleRadioNotAvailable(); 901 break; 902 } 903 } 904 905 protected void log(String msg) { 906 Log.d(LOG_TAG, "[GsmCallTracker] " + msg); 907 } 908} 909