GsmCallTracker.java revision 5e2000b856a7959609e8f15148a3584ec372f865
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.AsyncResult; 20import android.os.Handler; 21import android.os.Message; 22import android.os.Registrant; 23import android.os.RegistrantList; 24import android.os.SystemProperties; 25import android.telephony.PhoneNumberUtils; 26import android.telephony.ServiceState; 27import android.telephony.TelephonyManager; 28import android.telephony.gsm.GsmCellLocation; 29import android.util.EventLog; 30import android.telephony.Rlog; 31 32import com.android.internal.telephony.CallStateException; 33import com.android.internal.telephony.CallTracker; 34import com.android.internal.telephony.CommandsInterface; 35import com.android.internal.telephony.Connection; 36import com.android.internal.telephony.DriverCall; 37import com.android.internal.telephony.EventLogTags; 38import com.android.internal.telephony.Phone; 39import com.android.internal.telephony.PhoneConstants; 40import com.android.internal.telephony.TelephonyProperties; 41import com.android.internal.telephony.UUSInfo; 42import com.android.internal.telephony.gsm.CallFailCause; 43import com.android.internal.telephony.gsm.GSMPhone; 44import com.android.internal.telephony.gsm.GsmCall; 45import com.android.internal.telephony.gsm.GsmConnection; 46 47import java.io.FileDescriptor; 48import java.io.PrintWriter; 49import java.util.List; 50import java.util.ArrayList; 51 52/** 53 * {@hide} 54 */ 55public final class GsmCallTracker extends CallTracker { 56 static final String LOG_TAG = "GsmCallTracker"; 57 private static final boolean REPEAT_POLLING = false; 58 59 private static final boolean DBG_POLL = false; 60 61 //***** Constants 62 63 static final int MAX_CONNECTIONS = 7; // only 7 connections allowed in GSM 64 static final int MAX_CONNECTIONS_PER_CALL = 5; // only 5 connections allowed per call 65 66 //***** Instance Variables 67 GsmConnection mConnections[] = new GsmConnection[MAX_CONNECTIONS]; 68 RegistrantList mVoiceCallEndedRegistrants = new RegistrantList(); 69 RegistrantList mVoiceCallStartedRegistrants = new RegistrantList(); 70 71 72 // connections dropped during last poll 73 ArrayList<GsmConnection> mDroppedDuringPoll 74 = new ArrayList<GsmConnection>(MAX_CONNECTIONS); 75 76 GsmCall mRingingCall = new GsmCall(this); 77 // A call that is ringing or (call) waiting 78 GsmCall mForegroundCall = new GsmCall(this); 79 GsmCall mBackgroundCall = new GsmCall(this); 80 81 GsmConnection mPendingMO; 82 boolean mHangupPendingMO; 83 84 GSMPhone mPhone; 85 86 boolean mDesiredMute = false; // false = mute off 87 88 PhoneConstants.State mState = PhoneConstants.State.IDLE; 89 90 91 92 //***** Events 93 94 95 //***** Constructors 96 97 GsmCallTracker (GSMPhone phone) { 98 this.mPhone = phone; 99 mCi = phone.mCi; 100 101 mCi.registerForCallStateChanged(this, EVENT_CALL_STATE_CHANGE, null); 102 103 mCi.registerForOn(this, EVENT_RADIO_AVAILABLE, null); 104 mCi.registerForNotAvailable(this, EVENT_RADIO_NOT_AVAILABLE, null); 105 } 106 107 public void dispose() { 108 //Unregister for all events 109 mCi.unregisterForCallStateChanged(this); 110 mCi.unregisterForOn(this); 111 mCi.unregisterForNotAvailable(this); 112 113 for(GsmConnection c : mConnections) { 114 try { 115 if(c != null) { 116 hangup(c); 117 // Since by now we are unregistered, we won't notify 118 // PhoneApp that the call is gone. Do that here 119 Rlog.d(LOG_TAG, "dispose: call connnection onDisconnect, cause LOST_SIGNAL"); 120 c.onDisconnect(Connection.DisconnectCause.LOST_SIGNAL); 121 } 122 } catch (CallStateException ex) { 123 Rlog.e(LOG_TAG, "dispose: unexpected error on hangup", ex); 124 } 125 } 126 127 try { 128 if(mPendingMO != null) { 129 hangup(mPendingMO); 130 Rlog.d(LOG_TAG, "dispose: call mPendingMO.onDsiconnect, cause LOST_SIGNAL"); 131 mPendingMO.onDisconnect(Connection.DisconnectCause.LOST_SIGNAL); 132 } 133 } catch (CallStateException ex) { 134 Rlog.e(LOG_TAG, "dispose: unexpected error on hangup", ex); 135 } 136 137 clearDisconnected(); 138 } 139 140 @Override 141 protected void finalize() { 142 Rlog.d(LOG_TAG, "GsmCallTracker finalized"); 143 } 144 145 //***** Instance Methods 146 147 //***** Public Methods 148 @Override 149 public void registerForVoiceCallStarted(Handler h, int what, Object obj) { 150 Registrant r = new Registrant(h, what, obj); 151 mVoiceCallStartedRegistrants.add(r); 152 } 153 154 @Override 155 public void unregisterForVoiceCallStarted(Handler h) { 156 mVoiceCallStartedRegistrants.remove(h); 157 } 158 159 @Override 160 public void registerForVoiceCallEnded(Handler h, int what, Object obj) { 161 Registrant r = new Registrant(h, what, obj); 162 mVoiceCallEndedRegistrants.add(r); 163 } 164 165 @Override 166 public void unregisterForVoiceCallEnded(Handler h) { 167 mVoiceCallEndedRegistrants.remove(h); 168 } 169 170 private void 171 fakeHoldForegroundBeforeDial() { 172 List<Connection> connCopy; 173 174 // We need to make a copy here, since fakeHoldBeforeDial() 175 // modifies the lists, and we don't want to reverse the order 176 connCopy = (List<Connection>) mForegroundCall.mConnections.clone(); 177 178 for (int i = 0, s = connCopy.size() ; i < s ; i++) { 179 GsmConnection conn = (GsmConnection)connCopy.get(i); 180 181 conn.fakeHoldBeforeDial(); 182 } 183 } 184 185 /** 186 * clirMode is one of the CLIR_ constants 187 */ 188 synchronized Connection 189 dial (String dialString, int clirMode, UUSInfo uusInfo) throws CallStateException { 190 // note that this triggers call state changed notif 191 clearDisconnected(); 192 193 if (!canDial()) { 194 throw new CallStateException("cannot dial in current state"); 195 } 196 197 // The new call must be assigned to the foreground call. 198 // That call must be idle, so place anything that's 199 // there on hold 200 if (mForegroundCall.getState() == GsmCall.State.ACTIVE) { 201 // this will probably be done by the radio anyway 202 // but the dial might fail before this happens 203 // and we need to make sure the foreground call is clear 204 // for the newly dialed connection 205 switchWaitingOrHoldingAndActive(); 206 207 // Fake local state so that 208 // a) foregroundCall is empty for the newly dialed connection 209 // b) hasNonHangupStateChanged remains false in the 210 // next poll, so that we don't clear a failed dialing call 211 fakeHoldForegroundBeforeDial(); 212 } 213 214 if (mForegroundCall.getState() != GsmCall.State.IDLE) { 215 //we should have failed in !canDial() above before we get here 216 throw new CallStateException("cannot dial in current state"); 217 } 218 219 mPendingMO = new GsmConnection(mPhone.getContext(), checkForTestEmergencyNumber(dialString), 220 this, mForegroundCall); 221 mHangupPendingMO = false; 222 223 if (mPendingMO.mAddress == null || mPendingMO.mAddress.length() == 0 224 || mPendingMO.mAddress.indexOf(PhoneNumberUtils.WILD) >= 0 225 ) { 226 // Phone number is invalid 227 mPendingMO.mCause = Connection.DisconnectCause.INVALID_NUMBER; 228 229 // handlePollCalls() will notice this call not present 230 // and will mark it as dropped. 231 pollCallsWhenSafe(); 232 } else { 233 // Always unmute when initiating a new call 234 setMute(false); 235 236 mCi.dial(mPendingMO.mAddress, clirMode, uusInfo, obtainCompleteMessage()); 237 } 238 239 updatePhoneState(); 240 mPhone.notifyPreciseCallStateChanged(); 241 242 return mPendingMO; 243 } 244 245 Connection 246 dial(String dialString) throws CallStateException { 247 return dial(dialString, CommandsInterface.CLIR_DEFAULT, null); 248 } 249 250 Connection 251 dial(String dialString, UUSInfo uusInfo) throws CallStateException { 252 return dial(dialString, CommandsInterface.CLIR_DEFAULT, uusInfo); 253 } 254 255 Connection 256 dial(String dialString, int clirMode) throws CallStateException { 257 return dial(dialString, clirMode, null); 258 } 259 260 void 261 acceptCall () throws CallStateException { 262 // FIXME if SWITCH fails, should retry with ANSWER 263 // in case the active/holding call disappeared and this 264 // is no longer call waiting 265 266 if (mRingingCall.getState() == GsmCall.State.INCOMING) { 267 Rlog.i("phone", "acceptCall: incoming..."); 268 // Always unmute when answering a new call 269 setMute(false); 270 mCi.acceptCall(obtainCompleteMessage()); 271 } else if (mRingingCall.getState() == GsmCall.State.WAITING) { 272 setMute(false); 273 switchWaitingOrHoldingAndActive(); 274 } else { 275 throw new CallStateException("phone not ringing"); 276 } 277 } 278 279 void 280 rejectCall () throws CallStateException { 281 // AT+CHLD=0 means "release held or UDUB" 282 // so if the phone isn't ringing, this could hang up held 283 if (mRingingCall.getState().isRinging()) { 284 mCi.rejectCall(obtainCompleteMessage()); 285 } else { 286 throw new CallStateException("phone not ringing"); 287 } 288 } 289 290 void 291 switchWaitingOrHoldingAndActive() throws CallStateException { 292 // Should we bother with this check? 293 if (mRingingCall.getState() == GsmCall.State.INCOMING) { 294 throw new CallStateException("cannot be in the incoming state"); 295 } else { 296 mCi.switchWaitingOrHoldingAndActive( 297 obtainCompleteMessage(EVENT_SWITCH_RESULT)); 298 } 299 } 300 301 void 302 conference() { 303 mCi.conference(obtainCompleteMessage(EVENT_CONFERENCE_RESULT)); 304 } 305 306 void 307 explicitCallTransfer() { 308 mCi.explicitCallTransfer(obtainCompleteMessage(EVENT_ECT_RESULT)); 309 } 310 311 void 312 clearDisconnected() { 313 internalClearDisconnected(); 314 315 updatePhoneState(); 316 mPhone.notifyPreciseCallStateChanged(); 317 } 318 319 boolean 320 canConference() { 321 return mForegroundCall.getState() == GsmCall.State.ACTIVE 322 && mBackgroundCall.getState() == GsmCall.State.HOLDING 323 && !mBackgroundCall.isFull() 324 && !mForegroundCall.isFull(); 325 } 326 327 boolean 328 canDial() { 329 boolean ret; 330 int serviceState = mPhone.getServiceState().getState(); 331 String disableCall = SystemProperties.get( 332 TelephonyProperties.PROPERTY_DISABLE_CALL, "false"); 333 334 ret = (serviceState != ServiceState.STATE_POWER_OFF) 335 && mPendingMO == null 336 && !mRingingCall.isRinging() 337 && !disableCall.equals("true") 338 && (!mForegroundCall.getState().isAlive() 339 || !mBackgroundCall.getState().isAlive()); 340 341 return ret; 342 } 343 344 boolean 345 canTransfer() { 346 return mForegroundCall.getState() == GsmCall.State.ACTIVE 347 && mBackgroundCall.getState() == GsmCall.State.HOLDING; 348 } 349 350 //***** Private Instance Methods 351 352 private void 353 internalClearDisconnected() { 354 mRingingCall.clearDisconnected(); 355 mForegroundCall.clearDisconnected(); 356 mBackgroundCall.clearDisconnected(); 357 } 358 359 /** 360 * Obtain a message to use for signalling "invoke getCurrentCalls() when 361 * this operation and all other pending operations are complete 362 */ 363 private Message 364 obtainCompleteMessage() { 365 return obtainCompleteMessage(EVENT_OPERATION_COMPLETE); 366 } 367 368 /** 369 * Obtain a message to use for signalling "invoke getCurrentCalls() when 370 * this operation and all other pending operations are complete 371 */ 372 private Message 373 obtainCompleteMessage(int what) { 374 mPendingOperations++; 375 mLastRelevantPoll = null; 376 mNeedsPoll = true; 377 378 if (DBG_POLL) log("obtainCompleteMessage: pendingOperations=" + 379 mPendingOperations + ", needsPoll=" + mNeedsPoll); 380 381 return obtainMessage(what); 382 } 383 384 private void 385 operationComplete() { 386 mPendingOperations--; 387 388 if (DBG_POLL) log("operationComplete: pendingOperations=" + 389 mPendingOperations + ", needsPoll=" + mNeedsPoll); 390 391 if (mPendingOperations == 0 && mNeedsPoll) { 392 mLastRelevantPoll = obtainMessage(EVENT_POLL_CALLS_RESULT); 393 mCi.getCurrentCalls(mLastRelevantPoll); 394 } else if (mPendingOperations < 0) { 395 // this should never happen 396 Rlog.e(LOG_TAG,"GsmCallTracker.pendingOperations < 0"); 397 mPendingOperations = 0; 398 } 399 } 400 401 private void 402 updatePhoneState() { 403 PhoneConstants.State oldState = mState; 404 405 if (mRingingCall.isRinging()) { 406 mState = PhoneConstants.State.RINGING; 407 } else if (mPendingMO != null || 408 !(mForegroundCall.isIdle() && mBackgroundCall.isIdle())) { 409 mState = PhoneConstants.State.OFFHOOK; 410 } else { 411 mState = PhoneConstants.State.IDLE; 412 } 413 414 if (mState == PhoneConstants.State.IDLE && oldState != mState) { 415 mVoiceCallEndedRegistrants.notifyRegistrants( 416 new AsyncResult(null, null, null)); 417 } else if (oldState == PhoneConstants.State.IDLE && oldState != mState) { 418 mVoiceCallStartedRegistrants.notifyRegistrants ( 419 new AsyncResult(null, null, null)); 420 } 421 422 if (mState != oldState) { 423 mPhone.notifyPhoneStateChanged(); 424 } 425 } 426 427 @Override 428 protected synchronized void 429 handlePollCalls(AsyncResult ar) { 430 List polledCalls; 431 432 if (ar.exception == null) { 433 polledCalls = (List)ar.result; 434 } else if (isCommandExceptionRadioNotAvailable(ar.exception)) { 435 // just a dummy empty ArrayList to cause the loop 436 // to hang up all the calls 437 polledCalls = new ArrayList(); 438 } else { 439 // Radio probably wasn't ready--try again in a bit 440 // But don't keep polling if the channel is closed 441 pollCallsAfterDelay(); 442 return; 443 } 444 445 Connection newRinging = null; //or waiting 446 boolean hasNonHangupStateChanged = false; // Any change besides 447 // a dropped connection 448 boolean hasAnyCallDisconnected = false; 449 boolean needsPollDelay = false; 450 boolean unknownConnectionAppeared = false; 451 452 for (int i = 0, curDC = 0, dcSize = polledCalls.size() 453 ; i < mConnections.length; i++) { 454 GsmConnection conn = mConnections[i]; 455 DriverCall dc = null; 456 457 // polledCall list is sparse 458 if (curDC < dcSize) { 459 dc = (DriverCall) polledCalls.get(curDC); 460 461 if (dc.index == i+1) { 462 curDC++; 463 } else { 464 dc = null; 465 } 466 } 467 468 if (DBG_POLL) log("poll: conn[i=" + i + "]=" + 469 conn+", dc=" + dc); 470 471 if (conn == null && dc != null) { 472 // Connection appeared in CLCC response that we don't know about 473 if (mPendingMO != null && mPendingMO.compareTo(dc)) { 474 475 if (DBG_POLL) log("poll: pendingMO=" + mPendingMO); 476 477 // It's our pending mobile originating call 478 mConnections[i] = mPendingMO; 479 mPendingMO.mIndex = i; 480 mPendingMO.update(dc); 481 mPendingMO = null; 482 483 // Someone has already asked to hangup this call 484 if (mHangupPendingMO) { 485 mHangupPendingMO = false; 486 try { 487 if (Phone.DEBUG_PHONE) log( 488 "poll: hangupPendingMO, hangup conn " + i); 489 hangup(mConnections[i]); 490 } catch (CallStateException ex) { 491 Rlog.e(LOG_TAG, "unexpected error on hangup"); 492 } 493 494 // Do not continue processing this poll 495 // Wait for hangup and repoll 496 return; 497 } 498 } else { 499 mConnections[i] = new GsmConnection(mPhone.getContext(), dc, this, i); 500 501 // it's a ringing call 502 if (mConnections[i].getCall() == mRingingCall) { 503 newRinging = mConnections[i]; 504 } else { 505 // Something strange happened: a call appeared 506 // which is neither a ringing call or one we created. 507 // Either we've crashed and re-attached to an existing 508 // call, or something else (eg, SIM) initiated the call. 509 510 Rlog.i(LOG_TAG,"Phantom call appeared " + dc); 511 512 // If it's a connected call, set the connect time so that 513 // it's non-zero. It may not be accurate, but at least 514 // it won't appear as a Missed Call. 515 if (dc.state != DriverCall.State.ALERTING 516 && dc.state != DriverCall.State.DIALING) { 517 mConnections[i].onConnectedInOrOut(); 518 if (dc.state == DriverCall.State.HOLDING) { 519 // We've transitioned into HOLDING 520 mConnections[i].onStartedHolding(); 521 } 522 } 523 524 unknownConnectionAppeared = true; 525 } 526 } 527 hasNonHangupStateChanged = true; 528 } else if (conn != null && dc == null) { 529 // Connection missing in CLCC response that we were 530 // tracking. 531 mDroppedDuringPoll.add(conn); 532 // Dropped connections are removed from the CallTracker 533 // list but kept in the GsmCall list 534 mConnections[i] = null; 535 } else if (conn != null && dc != null && !conn.compareTo(dc)) { 536 // Connection in CLCC response does not match what 537 // we were tracking. Assume dropped call and new call 538 539 mDroppedDuringPoll.add(conn); 540 mConnections[i] = new GsmConnection (mPhone.getContext(), dc, this, i); 541 542 if (mConnections[i].getCall() == mRingingCall) { 543 newRinging = mConnections[i]; 544 } // else something strange happened 545 hasNonHangupStateChanged = true; 546 } else if (conn != null && dc != null) { /* implicit conn.compareTo(dc) */ 547 boolean changed; 548 changed = conn.update(dc); 549 hasNonHangupStateChanged = hasNonHangupStateChanged || changed; 550 } 551 552 if (REPEAT_POLLING) { 553 if (dc != null) { 554 // FIXME with RIL, we should not need this anymore 555 if ((dc.state == DriverCall.State.DIALING 556 /*&& cm.getOption(cm.OPTION_POLL_DIALING)*/) 557 || (dc.state == DriverCall.State.ALERTING 558 /*&& cm.getOption(cm.OPTION_POLL_ALERTING)*/) 559 || (dc.state == DriverCall.State.INCOMING 560 /*&& cm.getOption(cm.OPTION_POLL_INCOMING)*/) 561 || (dc.state == DriverCall.State.WAITING 562 /*&& cm.getOption(cm.OPTION_POLL_WAITING)*/) 563 ) { 564 // Sometimes there's no unsolicited notification 565 // for state transitions 566 needsPollDelay = true; 567 } 568 } 569 } 570 } 571 572 // This is the first poll after an ATD. 573 // We expect the pending call to appear in the list 574 // If it does not, we land here 575 if (mPendingMO != null) { 576 Rlog.d(LOG_TAG,"Pending MO dropped before poll fg state:" 577 + mForegroundCall.getState()); 578 579 mDroppedDuringPoll.add(mPendingMO); 580 mPendingMO = null; 581 mHangupPendingMO = false; 582 } 583 584 if (newRinging != null) { 585 mPhone.notifyNewRingingConnection(newRinging); 586 } 587 588 // clear the "local hangup" and "missed/rejected call" 589 // cases from the "dropped during poll" list 590 // These cases need no "last call fail" reason 591 for (int i = mDroppedDuringPoll.size() - 1; i >= 0 ; i--) { 592 GsmConnection conn = mDroppedDuringPoll.get(i); 593 594 if (conn.isIncoming() && conn.getConnectTime() == 0) { 595 // Missed or rejected call 596 Connection.DisconnectCause cause; 597 if (conn.mCause == Connection.DisconnectCause.LOCAL) { 598 cause = Connection.DisconnectCause.INCOMING_REJECTED; 599 } else { 600 cause = Connection.DisconnectCause.INCOMING_MISSED; 601 } 602 603 if (Phone.DEBUG_PHONE) { 604 log("missed/rejected call, conn.cause=" + conn.mCause); 605 log("setting cause to " + cause); 606 } 607 mDroppedDuringPoll.remove(i); 608 hasAnyCallDisconnected |= conn.onDisconnect(cause); 609 } else if (conn.mCause == Connection.DisconnectCause.LOCAL 610 || conn.mCause == Connection.DisconnectCause.INVALID_NUMBER) { 611 mDroppedDuringPoll.remove(i); 612 hasAnyCallDisconnected |= conn.onDisconnect(conn.mCause); 613 } 614 } 615 616 // Any non-local disconnects: determine cause 617 if (mDroppedDuringPoll.size() > 0) { 618 mCi.getLastCallFailCause( 619 obtainNoPollCompleteMessage(EVENT_GET_LAST_CALL_FAIL_CAUSE)); 620 } 621 622 if (needsPollDelay) { 623 pollCallsAfterDelay(); 624 } 625 626 // Cases when we can no longer keep disconnected Connection's 627 // with their previous calls 628 // 1) the phone has started to ring 629 // 2) A Call/Connection object has changed state... 630 // we may have switched or held or answered (but not hung up) 631 if (newRinging != null || hasNonHangupStateChanged || hasAnyCallDisconnected) { 632 internalClearDisconnected(); 633 } 634 635 updatePhoneState(); 636 637 if (unknownConnectionAppeared) { 638 mPhone.notifyUnknownConnection(); 639 } 640 641 if (hasNonHangupStateChanged || newRinging != null || hasAnyCallDisconnected) { 642 mPhone.notifyPreciseCallStateChanged(); 643 } 644 645 //dumpState(); 646 } 647 648 private void 649 handleRadioNotAvailable() { 650 // handlePollCalls will clear out its 651 // call list when it gets the CommandException 652 // error result from this 653 pollCallsWhenSafe(); 654 } 655 656 private void 657 dumpState() { 658 List l; 659 660 Rlog.i(LOG_TAG,"Phone State:" + mState); 661 662 Rlog.i(LOG_TAG,"Ringing call: " + mRingingCall.toString()); 663 664 l = mRingingCall.getConnections(); 665 for (int i = 0, s = l.size(); i < s; i++) { 666 Rlog.i(LOG_TAG,l.get(i).toString()); 667 } 668 669 Rlog.i(LOG_TAG,"Foreground call: " + mForegroundCall.toString()); 670 671 l = mForegroundCall.getConnections(); 672 for (int i = 0, s = l.size(); i < s; i++) { 673 Rlog.i(LOG_TAG,l.get(i).toString()); 674 } 675 676 Rlog.i(LOG_TAG,"Background call: " + mBackgroundCall.toString()); 677 678 l = mBackgroundCall.getConnections(); 679 for (int i = 0, s = l.size(); i < s; i++) { 680 Rlog.i(LOG_TAG,l.get(i).toString()); 681 } 682 683 } 684 685 //***** Called from GsmConnection 686 687 /*package*/ void 688 hangup (GsmConnection conn) throws CallStateException { 689 if (conn.mOwner != this) { 690 throw new CallStateException ("GsmConnection " + conn 691 + "does not belong to GsmCallTracker " + this); 692 } 693 694 if (conn == mPendingMO) { 695 // We're hanging up an outgoing call that doesn't have it's 696 // GSM index assigned yet 697 698 if (Phone.DEBUG_PHONE) log("hangup: set hangupPendingMO to true"); 699 mHangupPendingMO = true; 700 } else { 701 try { 702 mCi.hangupConnection (conn.getGSMIndex(), obtainCompleteMessage()); 703 } catch (CallStateException ex) { 704 // Ignore "connection not found" 705 // Call may have hung up already 706 Rlog.w(LOG_TAG,"GsmCallTracker WARN: hangup() on absent connection " 707 + conn); 708 } 709 } 710 711 conn.onHangupLocal(); 712 } 713 714 /*package*/ void 715 separate (GsmConnection conn) throws CallStateException { 716 if (conn.mOwner != this) { 717 throw new CallStateException ("GsmConnection " + conn 718 + "does not belong to GsmCallTracker " + this); 719 } 720 try { 721 mCi.separateConnection (conn.getGSMIndex(), 722 obtainCompleteMessage(EVENT_SEPARATE_RESULT)); 723 } catch (CallStateException ex) { 724 // Ignore "connection not found" 725 // Call may have hung up already 726 Rlog.w(LOG_TAG,"GsmCallTracker WARN: separate() on absent connection " 727 + conn); 728 } 729 } 730 731 //***** Called from GSMPhone 732 733 /*package*/ void 734 setMute(boolean mute) { 735 mDesiredMute = mute; 736 mCi.setMute(mDesiredMute, null); 737 } 738 739 /*package*/ boolean 740 getMute() { 741 return mDesiredMute; 742 } 743 744 745 //***** Called from GsmCall 746 747 /* package */ void 748 hangup (GsmCall call) throws CallStateException { 749 if (call.getConnections().size() == 0) { 750 throw new CallStateException("no connections in call"); 751 } 752 753 if (call == mRingingCall) { 754 if (Phone.DEBUG_PHONE) log("(ringing) hangup waiting or background"); 755 mCi.hangupWaitingOrBackground(obtainCompleteMessage()); 756 } else if (call == mForegroundCall) { 757 if (call.isDialingOrAlerting()) { 758 if (Phone.DEBUG_PHONE) { 759 log("(foregnd) hangup dialing or alerting..."); 760 } 761 hangup((GsmConnection)(call.getConnections().get(0))); 762 } else { 763 hangupForegroundResumeBackground(); 764 } 765 } else if (call == mBackgroundCall) { 766 if (mRingingCall.isRinging()) { 767 if (Phone.DEBUG_PHONE) { 768 log("hangup all conns in background call"); 769 } 770 hangupAllConnections(call); 771 } else { 772 hangupWaitingOrBackground(); 773 } 774 } else { 775 throw new RuntimeException ("GsmCall " + call + 776 "does not belong to GsmCallTracker " + this); 777 } 778 779 call.onHangupLocal(); 780 mPhone.notifyPreciseCallStateChanged(); 781 } 782 783 /* package */ 784 void hangupWaitingOrBackground() { 785 if (Phone.DEBUG_PHONE) log("hangupWaitingOrBackground"); 786 mCi.hangupWaitingOrBackground(obtainCompleteMessage()); 787 } 788 789 /* package */ 790 void hangupForegroundResumeBackground() { 791 if (Phone.DEBUG_PHONE) log("hangupForegroundResumeBackground"); 792 mCi.hangupForegroundResumeBackground(obtainCompleteMessage()); 793 } 794 795 void hangupConnectionByIndex(GsmCall call, int index) 796 throws CallStateException { 797 int count = call.mConnections.size(); 798 for (int i = 0; i < count; i++) { 799 GsmConnection cn = (GsmConnection)call.mConnections.get(i); 800 if (cn.getGSMIndex() == index) { 801 mCi.hangupConnection(index, obtainCompleteMessage()); 802 return; 803 } 804 } 805 806 throw new CallStateException("no gsm index found"); 807 } 808 809 void hangupAllConnections(GsmCall call) { 810 try { 811 int count = call.mConnections.size(); 812 for (int i = 0; i < count; i++) { 813 GsmConnection cn = (GsmConnection)call.mConnections.get(i); 814 mCi.hangupConnection(cn.getGSMIndex(), obtainCompleteMessage()); 815 } 816 } catch (CallStateException ex) { 817 Rlog.e(LOG_TAG, "hangupConnectionByIndex caught " + ex); 818 } 819 } 820 821 /* package */ 822 GsmConnection getConnectionByIndex(GsmCall call, int index) 823 throws CallStateException { 824 int count = call.mConnections.size(); 825 for (int i = 0; i < count; i++) { 826 GsmConnection cn = (GsmConnection)call.mConnections.get(i); 827 if (cn.getGSMIndex() == index) { 828 return cn; 829 } 830 } 831 832 return null; 833 } 834 835 private Phone.SuppService getFailedService(int what) { 836 switch (what) { 837 case EVENT_SWITCH_RESULT: 838 return Phone.SuppService.SWITCH; 839 case EVENT_CONFERENCE_RESULT: 840 return Phone.SuppService.CONFERENCE; 841 case EVENT_SEPARATE_RESULT: 842 return Phone.SuppService.SEPARATE; 843 case EVENT_ECT_RESULT: 844 return Phone.SuppService.TRANSFER; 845 } 846 return Phone.SuppService.UNKNOWN; 847 } 848 849 //****** Overridden from Handler 850 851 @Override 852 public void 853 handleMessage (Message msg) { 854 AsyncResult ar; 855 856 if (!mPhone.mIsTheCurrentActivePhone) { 857 Rlog.e(LOG_TAG, "Received message " + msg + 858 "[" + msg.what + "] while being destroyed. Ignoring."); 859 return; 860 } 861 switch (msg.what) { 862 case EVENT_POLL_CALLS_RESULT: 863 ar = (AsyncResult)msg.obj; 864 865 if (msg == mLastRelevantPoll) { 866 if (DBG_POLL) log( 867 "handle EVENT_POLL_CALL_RESULT: set needsPoll=F"); 868 mNeedsPoll = false; 869 mLastRelevantPoll = null; 870 handlePollCalls((AsyncResult)msg.obj); 871 } 872 break; 873 874 case EVENT_OPERATION_COMPLETE: 875 ar = (AsyncResult)msg.obj; 876 operationComplete(); 877 break; 878 879 case EVENT_SWITCH_RESULT: 880 case EVENT_CONFERENCE_RESULT: 881 case EVENT_SEPARATE_RESULT: 882 case EVENT_ECT_RESULT: 883 ar = (AsyncResult)msg.obj; 884 if (ar.exception != null) { 885 mPhone.notifySuppServiceFailed(getFailedService(msg.what)); 886 } 887 operationComplete(); 888 break; 889 890 case EVENT_GET_LAST_CALL_FAIL_CAUSE: 891 int causeCode; 892 ar = (AsyncResult)msg.obj; 893 894 operationComplete(); 895 896 if (ar.exception != null) { 897 // An exception occurred...just treat the disconnect 898 // cause as "normal" 899 causeCode = CallFailCause.NORMAL_CLEARING; 900 Rlog.i(LOG_TAG, 901 "Exception during getLastCallFailCause, assuming normal disconnect"); 902 } else { 903 causeCode = ((int[])ar.result)[0]; 904 } 905 // Log the causeCode if its not normal 906 if (causeCode == CallFailCause.NO_CIRCUIT_AVAIL || 907 causeCode == CallFailCause.TEMPORARY_FAILURE || 908 causeCode == CallFailCause.SWITCHING_CONGESTION || 909 causeCode == CallFailCause.CHANNEL_NOT_AVAIL || 910 causeCode == CallFailCause.QOS_NOT_AVAIL || 911 causeCode == CallFailCause.BEARER_NOT_AVAIL || 912 causeCode == CallFailCause.ERROR_UNSPECIFIED) { 913 GsmCellLocation loc = ((GsmCellLocation)mPhone.getCellLocation()); 914 EventLog.writeEvent(EventLogTags.CALL_DROP, 915 causeCode, loc != null ? loc.getCid() : -1, 916 TelephonyManager.getDefault().getNetworkType()); 917 } 918 919 for (int i = 0, s = mDroppedDuringPoll.size() 920 ; i < s ; i++ 921 ) { 922 GsmConnection conn = mDroppedDuringPoll.get(i); 923 924 conn.onRemoteDisconnect(causeCode); 925 } 926 927 updatePhoneState(); 928 929 mPhone.notifyPreciseCallStateChanged(); 930 mDroppedDuringPoll.clear(); 931 break; 932 933 case EVENT_REPOLL_AFTER_DELAY: 934 case EVENT_CALL_STATE_CHANGE: 935 pollCallsWhenSafe(); 936 break; 937 938 case EVENT_RADIO_AVAILABLE: 939 handleRadioAvailable(); 940 break; 941 942 case EVENT_RADIO_NOT_AVAILABLE: 943 handleRadioNotAvailable(); 944 break; 945 } 946 } 947 948 @Override 949 protected void log(String msg) { 950 Rlog.d(LOG_TAG, "[GsmCallTracker] " + msg); 951 } 952 953 @Override 954 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 955 pw.println("GsmCallTracker extends:"); 956 super.dump(fd, pw, args); 957 pw.println("mConnections: length=" + mConnections.length); 958 for(int i=0; i < mConnections.length; i++) { 959 pw.printf(" mConnections[%d]=%s\n", i, mConnections[i]); 960 } 961 pw.println(" mVoiceCallEndedRegistrants=" + mVoiceCallEndedRegistrants); 962 pw.println(" mVoiceCallStartedRegistrants=" + mVoiceCallStartedRegistrants); 963 pw.println(" mDroppedDuringPoll: size=" + mDroppedDuringPoll.size()); 964 for(int i = 0; i < mDroppedDuringPoll.size(); i++) { 965 pw.printf( " mDroppedDuringPoll[%d]=%s\n", i, mDroppedDuringPoll.get(i)); 966 } 967 pw.println(" mRingingCall=" + mRingingCall); 968 pw.println(" mForegroundCall=" + mForegroundCall); 969 pw.println(" mBackgroundCall=" + mBackgroundCall); 970 pw.println(" mPendingMO=" + mPendingMO); 971 pw.println(" mHangupPendingMO=" + mHangupPendingMO); 972 pw.println(" mPhone=" + mPhone); 973 pw.println(" mDesiredMute=" + mDesiredMute); 974 pw.println(" mState=" + mState); 975 } 976} 977