GsmCdmaConnection.java revision 0491b77344d79b48e13537f3a09d3fe34cca4a51
1/* 2 * Copyright (C) 2015 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; 18import android.content.Context; 19import android.os.AsyncResult; 20import android.os.Handler; 21import android.os.Looper; 22import android.os.Message; 23import android.os.PersistableBundle; 24import android.os.PowerManager; 25import android.os.Registrant; 26import android.os.SystemClock; 27import android.telephony.CarrierConfigManager; 28import android.telephony.DisconnectCause; 29import android.telephony.PhoneNumberUtils; 30import android.telephony.Rlog; 31import android.telephony.ServiceState; 32import android.text.TextUtils; 33 34import com.android.internal.telephony.cdma.CdmaCallWaitingNotification; 35import com.android.internal.telephony.cdma.CdmaSubscriptionSourceManager; 36import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppState; 37import com.android.internal.telephony.uicc.UiccCardApplication; 38 39/** 40 * {@hide} 41 */ 42public class GsmCdmaConnection extends Connection { 43 private static final String LOG_TAG = "GsmCdmaConnection"; 44 private static final boolean DBG = true; 45 private static final boolean VDBG = false; 46 47 //***** Instance Variables 48 49 GsmCdmaCallTracker mOwner; 50 GsmCdmaCall mParent; 51 52 boolean mDisconnected; 53 54 int mIndex; // index in GsmCdmaCallTracker.connections[], -1 if unassigned 55 // The GsmCdma index is 1 + this 56 57 /* 58 * These time/timespan values are based on System.currentTimeMillis(), 59 * i.e., "wall clock" time. 60 */ 61 long mDisconnectTime; 62 63 UUSInfo mUusInfo; 64 int mPreciseCause = 0; 65 String mVendorCause; 66 67 Connection mOrigConnection; 68 69 Handler mHandler; 70 71 private PowerManager.WakeLock mPartialWakeLock; 72 73 private boolean mIsEmergencyCall = false; 74 75 // The cached delay to be used between DTMF tones fetched from carrier config. 76 private int mDtmfToneDelay = 0; 77 78 //***** Event Constants 79 static final int EVENT_DTMF_DONE = 1; 80 static final int EVENT_PAUSE_DONE = 2; 81 static final int EVENT_NEXT_POST_DIAL = 3; 82 static final int EVENT_WAKE_LOCK_TIMEOUT = 4; 83 static final int EVENT_DTMF_DELAY_DONE = 5; 84 85 //***** Constants 86 static final int PAUSE_DELAY_MILLIS_GSM = 3 * 1000; 87 static final int PAUSE_DELAY_MILLIS_CDMA = 2 * 1000; 88 static final int WAKE_LOCK_TIMEOUT_MILLIS = 60*1000; 89 90 //***** Inner Classes 91 92 class MyHandler extends Handler { 93 MyHandler(Looper l) {super(l);} 94 95 @Override 96 public void 97 handleMessage(Message msg) { 98 99 switch (msg.what) { 100 case EVENT_NEXT_POST_DIAL: 101 case EVENT_DTMF_DELAY_DONE: 102 case EVENT_PAUSE_DONE: 103 processNextPostDialChar(); 104 break; 105 case EVENT_WAKE_LOCK_TIMEOUT: 106 releaseWakeLock(); 107 break; 108 case EVENT_DTMF_DONE: 109 // We may need to add a delay specified by carrier between DTMF tones that are 110 // sent out. 111 mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_DTMF_DELAY_DONE), 112 mDtmfToneDelay); 113 break; 114 } 115 } 116 } 117 118 //***** Constructors 119 120 /** This is probably an MT call that we first saw in a CLCC response or a hand over. */ 121 public GsmCdmaConnection (GsmCdmaPhone phone, DriverCall dc, GsmCdmaCallTracker ct, int index) { 122 super(phone.getPhoneType()); 123 createWakeLock(phone.getContext()); 124 acquireWakeLock(); 125 126 mOwner = ct; 127 mHandler = new MyHandler(mOwner.getLooper()); 128 129 mAddress = dc.number; 130 mIsEmergencyCall = PhoneNumberUtils.isLocalEmergencyNumber(phone.getContext(), mAddress); 131 mIsIncoming = dc.isMT; 132 mCreateTime = System.currentTimeMillis(); 133 mCnapName = dc.name; 134 mCnapNamePresentation = dc.namePresentation; 135 mNumberPresentation = dc.numberPresentation; 136 mUusInfo = dc.uusInfo; 137 138 mIndex = index; 139 140 mParent = parentFromDCState(dc.state); 141 mParent.attach(this, dc); 142 143 fetchDtmfToneDelay(phone); 144 } 145 146 /** This is an MO call, created when dialing */ 147 public GsmCdmaConnection (GsmCdmaPhone phone, String dialString, GsmCdmaCallTracker ct, 148 GsmCdmaCall parent, boolean isEmergencyCall) { 149 super(phone.getPhoneType()); 150 createWakeLock(phone.getContext()); 151 acquireWakeLock(); 152 153 mOwner = ct; 154 mHandler = new MyHandler(mOwner.getLooper()); 155 156 if (isPhoneTypeGsm()) { 157 mDialString = dialString; 158 } else { 159 Rlog.d(LOG_TAG, "[GsmCdmaConn] GsmCdmaConnection: dialString=" + 160 maskDialString(dialString)); 161 dialString = formatDialString(dialString); 162 Rlog.d(LOG_TAG, 163 "[GsmCdmaConn] GsmCdmaConnection:formated dialString=" + 164 maskDialString(dialString)); 165 } 166 167 mAddress = PhoneNumberUtils.extractNetworkPortionAlt(dialString); 168 mIsEmergencyCall = isEmergencyCall; 169 mPostDialString = PhoneNumberUtils.extractPostDialPortion(dialString); 170 171 mIndex = -1; 172 173 mIsIncoming = false; 174 mCnapName = null; 175 mCnapNamePresentation = PhoneConstants.PRESENTATION_ALLOWED; 176 mNumberPresentation = PhoneConstants.PRESENTATION_ALLOWED; 177 mCreateTime = System.currentTimeMillis(); 178 179 if (parent != null) { 180 mParent = parent; 181 if (isPhoneTypeGsm()) { 182 parent.attachFake(this, GsmCdmaCall.State.DIALING); 183 } else { 184 //for the three way call case, not change parent state 185 if (parent.mState == GsmCdmaCall.State.ACTIVE) { 186 parent.attachFake(this, GsmCdmaCall.State.ACTIVE); 187 } else { 188 parent.attachFake(this, GsmCdmaCall.State.DIALING); 189 } 190 191 } 192 } 193 194 fetchDtmfToneDelay(phone); 195 } 196 197 //CDMA 198 /** This is a Call waiting call*/ 199 public GsmCdmaConnection(Context context, CdmaCallWaitingNotification cw, GsmCdmaCallTracker ct, 200 GsmCdmaCall parent) { 201 super(parent.getPhone().getPhoneType()); 202 createWakeLock(context); 203 acquireWakeLock(); 204 205 mOwner = ct; 206 mHandler = new MyHandler(mOwner.getLooper()); 207 mAddress = cw.number; 208 mNumberPresentation = cw.numberPresentation; 209 mCnapName = cw.name; 210 mCnapNamePresentation = cw.namePresentation; 211 mIndex = -1; 212 mIsIncoming = true; 213 mCreateTime = System.currentTimeMillis(); 214 mConnectTime = 0; 215 mParent = parent; 216 parent.attachFake(this, GsmCdmaCall.State.WAITING); 217 } 218 219 220 public void dispose() { 221 clearPostDialListeners(); 222 if (mParent != null) { 223 mParent.detach(this); 224 } 225 releaseAllWakeLocks(); 226 } 227 228 static boolean equalsHandlesNulls(Object a, Object b) { 229 return (a == null) ? (b == null) : a.equals (b); 230 } 231 232 static boolean 233 equalsBaseDialString (String a, String b) { 234 return (a == null) ? (b == null) : (b != null && a.startsWith (b)); 235 } 236 237 //CDMA 238 /** 239 * format original dial string 240 * 1) convert international dialing prefix "+" to 241 * string specified per region 242 * 243 * 2) handle corner cases for PAUSE/WAIT dialing: 244 * 245 * If PAUSE/WAIT sequence at the end, ignore them. 246 * 247 * If consecutive PAUSE/WAIT sequence in the middle of the string, 248 * and if there is any WAIT in PAUSE/WAIT sequence, treat them like WAIT. 249 */ 250 public static String formatDialString(String phoneNumber) { 251 /** 252 * TODO(cleanup): This function should move to PhoneNumberUtils, and 253 * tests should be added. 254 */ 255 256 if (phoneNumber == null) { 257 return null; 258 } 259 int length = phoneNumber.length(); 260 StringBuilder ret = new StringBuilder(); 261 char c; 262 int currIndex = 0; 263 264 while (currIndex < length) { 265 c = phoneNumber.charAt(currIndex); 266 if (isPause(c) || isWait(c)) { 267 if (currIndex < length - 1) { 268 // if PW not at the end 269 int nextIndex = findNextPCharOrNonPOrNonWCharIndex(phoneNumber, currIndex); 270 // If there is non PW char following PW sequence 271 if (nextIndex < length) { 272 char pC = findPOrWCharToAppend(phoneNumber, currIndex, nextIndex); 273 ret.append(pC); 274 // If PW char sequence has more than 2 PW characters, 275 // skip to the last PW character since the sequence already be 276 // converted to WAIT character 277 if (nextIndex > (currIndex + 1)) { 278 currIndex = nextIndex - 1; 279 } 280 } else if (nextIndex == length) { 281 // It means PW characters at the end, ignore 282 currIndex = length - 1; 283 } 284 } 285 } else { 286 ret.append(c); 287 } 288 currIndex++; 289 } 290 return PhoneNumberUtils.cdmaCheckAndProcessPlusCode(ret.toString()); 291 } 292 293 /*package*/ boolean 294 compareTo(DriverCall c) { 295 // On mobile originated (MO) calls, the phone number may have changed 296 // due to a SIM Toolkit call control modification. 297 // 298 // We assume we know when MO calls are created (since we created them) 299 // and therefore don't need to compare the phone number anyway. 300 if (! (mIsIncoming || c.isMT)) return true; 301 302 // A new call appearing by SRVCC may have invalid number 303 // if IMS service is not tightly coupled with cellular modem stack. 304 // Thus we prefer the preexisting handover connection instance. 305 if (isPhoneTypeGsm() && mOrigConnection != null) return true; 306 307 // ... but we can compare phone numbers on MT calls, and we have 308 // no control over when they begin, so we might as well 309 310 String cAddress = PhoneNumberUtils.stringFromStringAndTOA(c.number, c.TOA); 311 return mIsIncoming == c.isMT && equalsHandlesNulls(mAddress, cAddress); 312 } 313 314 @Override 315 public String getOrigDialString(){ 316 return mDialString; 317 } 318 319 @Override 320 public GsmCdmaCall getCall() { 321 return mParent; 322 } 323 324 @Override 325 public long getDisconnectTime() { 326 return mDisconnectTime; 327 } 328 329 @Override 330 public long getHoldDurationMillis() { 331 if (getState() != GsmCdmaCall.State.HOLDING) { 332 // If not holding, return 0 333 return 0; 334 } else { 335 return SystemClock.elapsedRealtime() - mHoldingStartTime; 336 } 337 } 338 339 @Override 340 public GsmCdmaCall.State getState() { 341 if (mDisconnected) { 342 return GsmCdmaCall.State.DISCONNECTED; 343 } else { 344 return super.getState(); 345 } 346 } 347 348 @Override 349 public void hangup() throws CallStateException { 350 if (!mDisconnected) { 351 mOwner.hangup(this); 352 } else { 353 throw new CallStateException ("disconnected"); 354 } 355 } 356 357 @Override 358 public void separate() throws CallStateException { 359 if (!mDisconnected) { 360 mOwner.separate(this); 361 } else { 362 throw new CallStateException ("disconnected"); 363 } 364 } 365 366 @Override 367 public void proceedAfterWaitChar() { 368 if (mPostDialState != PostDialState.WAIT) { 369 Rlog.w(LOG_TAG, "GsmCdmaConnection.proceedAfterWaitChar(): Expected " 370 + "getPostDialState() to be WAIT but was " + mPostDialState); 371 return; 372 } 373 374 setPostDialState(PostDialState.STARTED); 375 376 processNextPostDialChar(); 377 } 378 379 @Override 380 public void proceedAfterWildChar(String str) { 381 if (mPostDialState != PostDialState.WILD) { 382 Rlog.w(LOG_TAG, "GsmCdmaConnection.proceedAfterWaitChar(): Expected " 383 + "getPostDialState() to be WILD but was " + mPostDialState); 384 return; 385 } 386 387 setPostDialState(PostDialState.STARTED); 388 389 // make a new postDialString, with the wild char replacement string 390 // at the beginning, followed by the remaining postDialString. 391 392 StringBuilder buf = new StringBuilder(str); 393 buf.append(mPostDialString.substring(mNextPostDialChar)); 394 mPostDialString = buf.toString(); 395 mNextPostDialChar = 0; 396 if (Phone.DEBUG_PHONE) { 397 log("proceedAfterWildChar: new postDialString is " + 398 mPostDialString); 399 } 400 401 processNextPostDialChar(); 402 } 403 404 @Override 405 public void cancelPostDial() { 406 setPostDialState(PostDialState.CANCELLED); 407 } 408 409 /** 410 * Called when this Connection is being hung up locally (eg, user pressed "end") 411 * Note that at this point, the hangup request has been dispatched to the radio 412 * but no response has yet been received so update() has not yet been called 413 */ 414 void 415 onHangupLocal() { 416 mCause = DisconnectCause.LOCAL; 417 mPreciseCause = 0; 418 mVendorCause = null; 419 } 420 421 /** 422 * Maps RIL call disconnect code to {@link DisconnectCause}. 423 * @param causeCode RIL disconnect code 424 * @return the corresponding value from {@link DisconnectCause} 425 */ 426 int disconnectCauseFromCode(int causeCode) { 427 /** 428 * See 22.001 Annex F.4 for mapping of cause codes 429 * to local tones 430 */ 431 432 switch (causeCode) { 433 case CallFailCause.USER_BUSY: 434 return DisconnectCause.BUSY; 435 436 case CallFailCause.NO_CIRCUIT_AVAIL: 437 case CallFailCause.TEMPORARY_FAILURE: 438 case CallFailCause.SWITCHING_CONGESTION: 439 case CallFailCause.CHANNEL_NOT_AVAIL: 440 case CallFailCause.QOS_NOT_AVAIL: 441 case CallFailCause.BEARER_NOT_AVAIL: 442 return DisconnectCause.CONGESTION; 443 444 case CallFailCause.EMERGENCY_TEMP_FAILURE: 445 return DisconnectCause.EMERGENCY_TEMP_FAILURE; 446 case CallFailCause.EMERGENCY_PERM_FAILURE: 447 return DisconnectCause.EMERGENCY_PERM_FAILURE; 448 449 case CallFailCause.ACM_LIMIT_EXCEEDED: 450 return DisconnectCause.LIMIT_EXCEEDED; 451 452 case CallFailCause.OPERATOR_DETERMINED_BARRING: 453 case CallFailCause.CALL_BARRED: 454 return DisconnectCause.CALL_BARRED; 455 456 case CallFailCause.FDN_BLOCKED: 457 return DisconnectCause.FDN_BLOCKED; 458 459 case CallFailCause.IMEI_NOT_ACCEPTED: 460 return DisconnectCause.IMEI_NOT_ACCEPTED; 461 462 case CallFailCause.UNOBTAINABLE_NUMBER: 463 return DisconnectCause.UNOBTAINABLE_NUMBER; 464 465 case CallFailCause.DIAL_MODIFIED_TO_USSD: 466 return DisconnectCause.DIAL_MODIFIED_TO_USSD; 467 468 case CallFailCause.DIAL_MODIFIED_TO_SS: 469 return DisconnectCause.DIAL_MODIFIED_TO_SS; 470 471 case CallFailCause.DIAL_MODIFIED_TO_DIAL: 472 return DisconnectCause.DIAL_MODIFIED_TO_DIAL; 473 474 case CallFailCause.CDMA_LOCKED_UNTIL_POWER_CYCLE: 475 return DisconnectCause.CDMA_LOCKED_UNTIL_POWER_CYCLE; 476 477 case CallFailCause.CDMA_DROP: 478 return DisconnectCause.CDMA_DROP; 479 480 case CallFailCause.CDMA_INTERCEPT: 481 return DisconnectCause.CDMA_INTERCEPT; 482 483 case CallFailCause.CDMA_REORDER: 484 return DisconnectCause.CDMA_REORDER; 485 486 case CallFailCause.CDMA_SO_REJECT: 487 return DisconnectCause.CDMA_SO_REJECT; 488 489 case CallFailCause.CDMA_RETRY_ORDER: 490 return DisconnectCause.CDMA_RETRY_ORDER; 491 492 case CallFailCause.CDMA_ACCESS_FAILURE: 493 return DisconnectCause.CDMA_ACCESS_FAILURE; 494 495 case CallFailCause.CDMA_PREEMPTED: 496 return DisconnectCause.CDMA_PREEMPTED; 497 498 case CallFailCause.CDMA_NOT_EMERGENCY: 499 return DisconnectCause.CDMA_NOT_EMERGENCY; 500 501 case CallFailCause.CDMA_ACCESS_BLOCKED: 502 return DisconnectCause.CDMA_ACCESS_BLOCKED; 503 504 case CallFailCause.NORMAL_UNSPECIFIED: 505 return DisconnectCause.NORMAL_UNSPECIFIED; 506 507 case CallFailCause.ERROR_UNSPECIFIED: 508 case CallFailCause.NORMAL_CLEARING: 509 default: 510 GsmCdmaPhone phone = mOwner.getPhone(); 511 int serviceState = phone.getServiceState().getState(); 512 UiccCardApplication cardApp = phone.getUiccCardApplication(); 513 AppState uiccAppState = (cardApp != null) ? cardApp.getState() : 514 AppState.APPSTATE_UNKNOWN; 515 if (serviceState == ServiceState.STATE_POWER_OFF) { 516 return DisconnectCause.POWER_OFF; 517 } 518 if (!mIsEmergencyCall) { 519 // Only send OUT_OF_SERVICE if it is not an emergency call. We can still 520 // technically be in STATE_OUT_OF_SERVICE or STATE_EMERGENCY_ONLY during 521 // an emergency call and when it ends, we do not want to mistakenly generate 522 // an OUT_OF_SERVICE disconnect cause during normal call ending. 523 if ((serviceState == ServiceState.STATE_OUT_OF_SERVICE 524 || serviceState == ServiceState.STATE_EMERGENCY_ONLY)) { 525 return DisconnectCause.OUT_OF_SERVICE; 526 } 527 // If we are placing an emergency call and the SIM is currently PIN/PUK 528 // locked the AppState will always not be equal to APPSTATE_READY. 529 if (uiccAppState != AppState.APPSTATE_READY) { 530 if (isPhoneTypeGsm()) { 531 return DisconnectCause.ICC_ERROR; 532 } else { // CDMA 533 if (phone.mCdmaSubscriptionSource == 534 CdmaSubscriptionSourceManager.SUBSCRIPTION_FROM_RUIM) { 535 return DisconnectCause.ICC_ERROR; 536 } 537 } 538 } 539 } 540 if (isPhoneTypeGsm()) { 541 if (causeCode == CallFailCause.ERROR_UNSPECIFIED) { 542 if (phone.mSST.mRestrictedState.isCsRestricted()) { 543 return DisconnectCause.CS_RESTRICTED; 544 } else if (phone.mSST.mRestrictedState.isCsEmergencyRestricted()) { 545 return DisconnectCause.CS_RESTRICTED_EMERGENCY; 546 } else if (phone.mSST.mRestrictedState.isCsNormalRestricted()) { 547 return DisconnectCause.CS_RESTRICTED_NORMAL; 548 } 549 } 550 } 551 if (causeCode == CallFailCause.NORMAL_CLEARING) { 552 return DisconnectCause.NORMAL; 553 } 554 // If nothing else matches, report unknown call drop reason 555 // to app, not NORMAL call end. 556 return DisconnectCause.ERROR_UNSPECIFIED; 557 } 558 } 559 560 /*package*/ void 561 onRemoteDisconnect(int causeCode, String vendorCause) { 562 this.mPreciseCause = causeCode; 563 this.mVendorCause = vendorCause; 564 onDisconnect(disconnectCauseFromCode(causeCode)); 565 } 566 567 /** 568 * Called when the radio indicates the connection has been disconnected. 569 * @param cause call disconnect cause; values are defined in {@link DisconnectCause} 570 */ 571 @Override 572 public boolean onDisconnect(int cause) { 573 boolean changed = false; 574 575 mCause = cause; 576 577 if (!mDisconnected) { 578 doDisconnect(); 579 580 if (DBG) Rlog.d(LOG_TAG, "onDisconnect: cause=" + cause); 581 582 mOwner.getPhone().notifyDisconnect(this); 583 584 if (mParent != null) { 585 changed = mParent.connectionDisconnected(this); 586 } 587 588 mOrigConnection = null; 589 } 590 clearPostDialListeners(); 591 releaseWakeLock(); 592 return changed; 593 } 594 595 //CDMA 596 /** Called when the call waiting connection has been hung up */ 597 /*package*/ void 598 onLocalDisconnect() { 599 if (!mDisconnected) { 600 doDisconnect(); 601 if (VDBG) Rlog.d(LOG_TAG, "onLoalDisconnect" ); 602 603 if (mParent != null) { 604 mParent.detach(this); 605 } 606 } 607 releaseWakeLock(); 608 } 609 610 // Returns true if state has changed, false if nothing changed 611 public boolean 612 update (DriverCall dc) { 613 GsmCdmaCall newParent; 614 boolean changed = false; 615 boolean wasConnectingInOrOut = isConnectingInOrOut(); 616 boolean wasHolding = (getState() == GsmCdmaCall.State.HOLDING); 617 618 newParent = parentFromDCState(dc.state); 619 620 if (Phone.DEBUG_PHONE) log("parent= " +mParent +", newParent= " + newParent); 621 622 //Ignore dc.number and dc.name in case of a handover connection 623 if (isPhoneTypeGsm() && mOrigConnection != null) { 624 if (Phone.DEBUG_PHONE) log("update: mOrigConnection is not null"); 625 } else if (isIncoming()) { 626 if (!equalsBaseDialString(mAddress, dc.number) && (!mNumberConverted 627 || !equalsBaseDialString(mConvertedNumber, dc.number))) { 628 if (Phone.DEBUG_PHONE) log("update: phone # changed!"); 629 mAddress = dc.number; 630 changed = true; 631 } 632 } 633 634 // A null cnapName should be the same as "" 635 if (TextUtils.isEmpty(dc.name)) { 636 if (!TextUtils.isEmpty(mCnapName)) { 637 changed = true; 638 mCnapName = ""; 639 } 640 } else if (!dc.name.equals(mCnapName)) { 641 changed = true; 642 mCnapName = dc.name; 643 } 644 645 if (Phone.DEBUG_PHONE) log("--dssds----"+mCnapName); 646 mCnapNamePresentation = dc.namePresentation; 647 mNumberPresentation = dc.numberPresentation; 648 649 if (newParent != mParent) { 650 if (mParent != null) { 651 mParent.detach(this); 652 } 653 newParent.attach(this, dc); 654 mParent = newParent; 655 changed = true; 656 } else { 657 boolean parentStateChange; 658 parentStateChange = mParent.update (this, dc); 659 changed = changed || parentStateChange; 660 } 661 662 /** Some state-transition events */ 663 664 if (Phone.DEBUG_PHONE) log( 665 "update: parent=" + mParent + 666 ", hasNewParent=" + (newParent != mParent) + 667 ", wasConnectingInOrOut=" + wasConnectingInOrOut + 668 ", wasHolding=" + wasHolding + 669 ", isConnectingInOrOut=" + isConnectingInOrOut() + 670 ", changed=" + changed); 671 672 673 if (wasConnectingInOrOut && !isConnectingInOrOut()) { 674 onConnectedInOrOut(); 675 } 676 677 if (changed && !wasHolding && (getState() == GsmCdmaCall.State.HOLDING)) { 678 // We've transitioned into HOLDING 679 onStartedHolding(); 680 } 681 682 return changed; 683 } 684 685 /** 686 * Called when this Connection is in the foregroundCall 687 * when a dial is initiated. 688 * We know we're ACTIVE, and we know we're going to end up 689 * HOLDING in the backgroundCall 690 */ 691 void 692 fakeHoldBeforeDial() { 693 if (mParent != null) { 694 mParent.detach(this); 695 } 696 697 mParent = mOwner.mBackgroundCall; 698 mParent.attachFake(this, GsmCdmaCall.State.HOLDING); 699 700 onStartedHolding(); 701 } 702 703 /*package*/ int 704 getGsmCdmaIndex() throws CallStateException { 705 if (mIndex >= 0) { 706 return mIndex + 1; 707 } else { 708 throw new CallStateException ("GsmCdma index not yet assigned"); 709 } 710 } 711 712 /** 713 * An incoming or outgoing call has connected 714 */ 715 void 716 onConnectedInOrOut() { 717 mConnectTime = System.currentTimeMillis(); 718 mConnectTimeReal = SystemClock.elapsedRealtime(); 719 mDuration = 0; 720 721 // bug #678474: incoming call interpreted as missed call, even though 722 // it sounds like the user has picked up the call. 723 if (Phone.DEBUG_PHONE) { 724 log("onConnectedInOrOut: connectTime=" + mConnectTime); 725 } 726 727 if (!mIsIncoming) { 728 // outgoing calls only 729 processNextPostDialChar(); 730 } else { 731 // Only release wake lock for incoming calls, for outgoing calls the wake lock 732 // will be released after any pause-dial is completed 733 releaseWakeLock(); 734 } 735 } 736 737 private void 738 doDisconnect() { 739 mIndex = -1; 740 mDisconnectTime = System.currentTimeMillis(); 741 mDuration = SystemClock.elapsedRealtime() - mConnectTimeReal; 742 mDisconnected = true; 743 clearPostDialListeners(); 744 } 745 746 /*package*/ void 747 onStartedHolding() { 748 mHoldingStartTime = SystemClock.elapsedRealtime(); 749 } 750 751 /** 752 * Performs the appropriate action for a post-dial char, but does not 753 * notify application. returns false if the character is invalid and 754 * should be ignored 755 */ 756 private boolean 757 processPostDialChar(char c) { 758 if (PhoneNumberUtils.is12Key(c)) { 759 mOwner.mCi.sendDtmf(c, mHandler.obtainMessage(EVENT_DTMF_DONE)); 760 } else if (isPause(c)) { 761 if (!isPhoneTypeGsm()) { 762 setPostDialState(PostDialState.PAUSE); 763 } 764 // From TS 22.101: 765 // It continues... 766 // Upon the called party answering the UE shall send the DTMF digits 767 // automatically to the network after a delay of 3 seconds( 20 ). 768 // The digits shall be sent according to the procedures and timing 769 // specified in 3GPP TS 24.008 [13]. The first occurrence of the 770 // "DTMF Control Digits Separator" shall be used by the ME to 771 // distinguish between the addressing digits (i.e. the phone number) 772 // and the DTMF digits. Upon subsequent occurrences of the 773 // separator, 774 // the UE shall pause again for 3 seconds ( 20 ) before sending 775 // any further DTMF digits. 776 mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_PAUSE_DONE), 777 isPhoneTypeGsm() ? PAUSE_DELAY_MILLIS_GSM: PAUSE_DELAY_MILLIS_CDMA); 778 } else if (isWait(c)) { 779 setPostDialState(PostDialState.WAIT); 780 } else if (isWild(c)) { 781 setPostDialState(PostDialState.WILD); 782 } else { 783 return false; 784 } 785 786 return true; 787 } 788 789 @Override 790 public String 791 getRemainingPostDialString() { 792 String subStr = super.getRemainingPostDialString(); 793 if (!isPhoneTypeGsm() && !TextUtils.isEmpty(subStr)) { 794 int wIndex = subStr.indexOf(PhoneNumberUtils.WAIT); 795 int pIndex = subStr.indexOf(PhoneNumberUtils.PAUSE); 796 797 if (wIndex > 0 && (wIndex < pIndex || pIndex <= 0)) { 798 subStr = subStr.substring(0, wIndex); 799 } else if (pIndex > 0) { 800 subStr = subStr.substring(0, pIndex); 801 } 802 } 803 return subStr; 804 } 805 806 //CDMA 807 public void updateParent(GsmCdmaCall oldParent, GsmCdmaCall newParent){ 808 if (newParent != oldParent) { 809 if (oldParent != null) { 810 oldParent.detach(this); 811 } 812 newParent.attachFake(this, GsmCdmaCall.State.ACTIVE); 813 mParent = newParent; 814 } 815 } 816 817 @Override 818 protected void finalize() 819 { 820 /** 821 * It is understood that This finalizer is not guaranteed 822 * to be called and the release lock call is here just in 823 * case there is some path that doesn't call onDisconnect 824 * and or onConnectedInOrOut. 825 */ 826 if (mPartialWakeLock != null && mPartialWakeLock.isHeld()) { 827 Rlog.e(LOG_TAG, "UNEXPECTED; mPartialWakeLock is held when finalizing."); 828 } 829 clearPostDialListeners(); 830 releaseWakeLock(); 831 } 832 833 private void 834 processNextPostDialChar() { 835 char c = 0; 836 Registrant postDialHandler; 837 838 if (mPostDialState == PostDialState.CANCELLED) { 839 releaseWakeLock(); 840 return; 841 } 842 843 if (mPostDialString == null || 844 mPostDialString.length() <= mNextPostDialChar) { 845 setPostDialState(PostDialState.COMPLETE); 846 847 // We were holding a wake lock until pause-dial was complete, so give it up now 848 releaseWakeLock(); 849 850 // notifyMessage.arg1 is 0 on complete 851 c = 0; 852 } else { 853 boolean isValid; 854 855 setPostDialState(PostDialState.STARTED); 856 857 c = mPostDialString.charAt(mNextPostDialChar++); 858 859 isValid = processPostDialChar(c); 860 861 if (!isValid) { 862 // Will call processNextPostDialChar 863 mHandler.obtainMessage(EVENT_NEXT_POST_DIAL).sendToTarget(); 864 // Don't notify application 865 Rlog.e(LOG_TAG, "processNextPostDialChar: c=" + c + " isn't valid!"); 866 return; 867 } 868 } 869 870 notifyPostDialListenersNextChar(c); 871 872 // TODO: remove the following code since the handler no longer executes anything. 873 postDialHandler = mOwner.getPhone().getPostDialHandler(); 874 875 Message notifyMessage; 876 877 if (postDialHandler != null 878 && (notifyMessage = postDialHandler.messageForRegistrant()) != null) { 879 // The AsyncResult.result is the Connection object 880 PostDialState state = mPostDialState; 881 AsyncResult ar = AsyncResult.forMessage(notifyMessage); 882 ar.result = this; 883 ar.userObj = state; 884 885 // arg1 is the character that was/is being processed 886 notifyMessage.arg1 = c; 887 888 //Rlog.v("GsmCdma", "##### processNextPostDialChar: send msg to postDialHandler, arg1=" + c); 889 notifyMessage.sendToTarget(); 890 } 891 } 892 893 /** "connecting" means "has never been ACTIVE" for both incoming 894 * and outgoing calls 895 */ 896 private boolean 897 isConnectingInOrOut() { 898 return mParent == null || mParent == mOwner.mRingingCall 899 || mParent.mState == GsmCdmaCall.State.DIALING 900 || mParent.mState == GsmCdmaCall.State.ALERTING; 901 } 902 903 private GsmCdmaCall 904 parentFromDCState (DriverCall.State state) { 905 switch (state) { 906 case ACTIVE: 907 case DIALING: 908 case ALERTING: 909 return mOwner.mForegroundCall; 910 //break; 911 912 case HOLDING: 913 return mOwner.mBackgroundCall; 914 //break; 915 916 case INCOMING: 917 case WAITING: 918 return mOwner.mRingingCall; 919 //break; 920 921 default: 922 throw new RuntimeException("illegal call state: " + state); 923 } 924 } 925 926 /** 927 * Set post dial state and acquire wake lock while switching to "started" or "pause" 928 * state, the wake lock will be released if state switches out of "started" or "pause" 929 * state or after WAKE_LOCK_TIMEOUT_MILLIS. 930 * @param s new PostDialState 931 */ 932 private void setPostDialState(PostDialState s) { 933 if (s == PostDialState.STARTED || 934 s == PostDialState.PAUSE) { 935 synchronized (mPartialWakeLock) { 936 if (mPartialWakeLock.isHeld()) { 937 mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT); 938 } else { 939 acquireWakeLock(); 940 } 941 Message msg = mHandler.obtainMessage(EVENT_WAKE_LOCK_TIMEOUT); 942 mHandler.sendMessageDelayed(msg, WAKE_LOCK_TIMEOUT_MILLIS); 943 } 944 } else { 945 mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT); 946 releaseWakeLock(); 947 } 948 mPostDialState = s; 949 notifyPostDialListeners(); 950 } 951 952 private void createWakeLock(Context context) { 953 PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 954 mPartialWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, LOG_TAG); 955 } 956 957 private void acquireWakeLock() { 958 if (mPartialWakeLock != null) { 959 synchronized (mPartialWakeLock) { 960 log("acquireWakeLock"); 961 mPartialWakeLock.acquire(); 962 } 963 } 964 } 965 966 private void releaseWakeLock() { 967 if (mPartialWakeLock != null) { 968 synchronized (mPartialWakeLock) { 969 if (mPartialWakeLock.isHeld()) { 970 log("releaseWakeLock"); 971 mPartialWakeLock.release(); 972 } 973 } 974 } 975 } 976 977 private void releaseAllWakeLocks() { 978 if (mPartialWakeLock != null) { 979 synchronized (mPartialWakeLock) { 980 while (mPartialWakeLock.isHeld()) { 981 mPartialWakeLock.release(); 982 } 983 } 984 } 985 } 986 987 private static boolean isPause(char c) { 988 return c == PhoneNumberUtils.PAUSE; 989 } 990 991 private static boolean isWait(char c) { 992 return c == PhoneNumberUtils.WAIT; 993 } 994 995 private static boolean isWild(char c) { 996 return c == PhoneNumberUtils.WILD; 997 } 998 999 //CDMA 1000 // This function is to find the next PAUSE character index if 1001 // multiple pauses in a row. Otherwise it finds the next non PAUSE or 1002 // non WAIT character index. 1003 private static int findNextPCharOrNonPOrNonWCharIndex(String phoneNumber, int currIndex) { 1004 boolean wMatched = isWait(phoneNumber.charAt(currIndex)); 1005 int index = currIndex + 1; 1006 int length = phoneNumber.length(); 1007 while (index < length) { 1008 char cNext = phoneNumber.charAt(index); 1009 // if there is any W inside P/W sequence,mark it 1010 if (isWait(cNext)) { 1011 wMatched = true; 1012 } 1013 // if any characters other than P/W chars after P/W sequence 1014 // we break out the loop and append the correct 1015 if (!isWait(cNext) && !isPause(cNext)) { 1016 break; 1017 } 1018 index++; 1019 } 1020 1021 // It means the PAUSE character(s) is in the middle of dial string 1022 // and it needs to be handled one by one. 1023 if ((index < length) && (index > (currIndex + 1)) && 1024 ((wMatched == false) && isPause(phoneNumber.charAt(currIndex)))) { 1025 return (currIndex + 1); 1026 } 1027 return index; 1028 } 1029 1030 // CDMA 1031 // This function returns either PAUSE or WAIT character to append. 1032 // It is based on the next non PAUSE/WAIT character in the phoneNumber and the 1033 // index for the current PAUSE/WAIT character 1034 private static char findPOrWCharToAppend(String phoneNumber, int currPwIndex, 1035 int nextNonPwCharIndex) { 1036 char c = phoneNumber.charAt(currPwIndex); 1037 char ret; 1038 1039 // Append the PW char 1040 ret = (isPause(c)) ? PhoneNumberUtils.PAUSE : PhoneNumberUtils.WAIT; 1041 1042 // If the nextNonPwCharIndex is greater than currPwIndex + 1, 1043 // it means the PW sequence contains not only P characters. 1044 // Since for the sequence that only contains P character, 1045 // the P character is handled one by one, the nextNonPwCharIndex 1046 // equals to currPwIndex + 1. 1047 // In this case, skip P, append W. 1048 if (nextNonPwCharIndex > (currPwIndex + 1)) { 1049 ret = PhoneNumberUtils.WAIT; 1050 } 1051 return ret; 1052 } 1053 1054 private String maskDialString(String dialString) { 1055 if (VDBG) { 1056 return dialString; 1057 } 1058 1059 return "<MASKED>"; 1060 } 1061 1062 private void fetchDtmfToneDelay(GsmCdmaPhone phone) { 1063 CarrierConfigManager configMgr = (CarrierConfigManager) 1064 phone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 1065 PersistableBundle b = configMgr.getConfigForSubId(phone.getSubId()); 1066 if (b != null) { 1067 mDtmfToneDelay = b.getInt(phone.getDtmfToneDelayKey()); 1068 } 1069 } 1070 1071 private boolean isPhoneTypeGsm() { 1072 return mOwner.getPhone().getPhoneType() == PhoneConstants.PHONE_TYPE_GSM; 1073 } 1074 1075 private void log(String msg) { 1076 Rlog.d(LOG_TAG, "[GsmCdmaConn] " + msg); 1077 } 1078 1079 @Override 1080 public int getNumberPresentation() { 1081 return mNumberPresentation; 1082 } 1083 1084 @Override 1085 public UUSInfo getUUSInfo() { 1086 return mUusInfo; 1087 } 1088 1089 public int getPreciseDisconnectCause() { 1090 return mPreciseCause; 1091 } 1092 1093 @Override 1094 public String getVendorDisconnectCause() { 1095 return mVendorCause; 1096 } 1097 1098 @Override 1099 public void migrateFrom(Connection c) { 1100 if (c == null) return; 1101 1102 super.migrateFrom(c); 1103 1104 this.mUusInfo = c.getUUSInfo(); 1105 1106 this.setUserData(c.getUserData()); 1107 } 1108 1109 @Override 1110 public Connection getOrigConnection() { 1111 return mOrigConnection; 1112 } 1113 1114 @Override 1115 public boolean isMultiparty() { 1116 if (mOrigConnection != null) { 1117 return mOrigConnection.isMultiparty(); 1118 } 1119 1120 return false; 1121 } 1122} 1123