GsmCdmaConnection.java revision e5629078be7375db7d44aac1966c84aaa8f2b0b6
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.ERROR_UNSPECIFIED: 505 case CallFailCause.NORMAL_CLEARING: 506 default: 507 GsmCdmaPhone phone = mOwner.getPhone(); 508 int serviceState = phone.getServiceState().getState(); 509 UiccCardApplication cardApp = phone.getUiccCardApplication(); 510 AppState uiccAppState = (cardApp != null) ? cardApp.getState() : 511 AppState.APPSTATE_UNKNOWN; 512 if (serviceState == ServiceState.STATE_POWER_OFF) { 513 return DisconnectCause.POWER_OFF; 514 } 515 if (!mIsEmergencyCall) { 516 // Only send OUT_OF_SERVICE if it is not an emergency call. We can still 517 // technically be in STATE_OUT_OF_SERVICE or STATE_EMERGENCY_ONLY during 518 // an emergency call and when it ends, we do not want to mistakenly generate 519 // an OUT_OF_SERVICE disconnect cause during normal call ending. 520 if ((serviceState == ServiceState.STATE_OUT_OF_SERVICE 521 || serviceState == ServiceState.STATE_EMERGENCY_ONLY)) { 522 return DisconnectCause.OUT_OF_SERVICE; 523 } 524 // If we are placing an emergency call and the SIM is currently PIN/PUK 525 // locked the AppState will always not be equal to APPSTATE_READY. 526 if (uiccAppState != AppState.APPSTATE_READY) { 527 if (isPhoneTypeGsm()) { 528 return DisconnectCause.ICC_ERROR; 529 } else { // CDMA 530 if (phone.mCdmaSubscriptionSource == 531 CdmaSubscriptionSourceManager.SUBSCRIPTION_FROM_RUIM) { 532 return DisconnectCause.ICC_ERROR; 533 } 534 } 535 } 536 } 537 if (isPhoneTypeGsm()) { 538 if (causeCode == CallFailCause.ERROR_UNSPECIFIED) { 539 if (phone.mSST.mRestrictedState.isCsRestricted()) { 540 return DisconnectCause.CS_RESTRICTED; 541 } else if (phone.mSST.mRestrictedState.isCsEmergencyRestricted()) { 542 return DisconnectCause.CS_RESTRICTED_EMERGENCY; 543 } else if (phone.mSST.mRestrictedState.isCsNormalRestricted()) { 544 return DisconnectCause.CS_RESTRICTED_NORMAL; 545 } 546 } 547 } 548 if (causeCode == CallFailCause.NORMAL_CLEARING) { 549 return DisconnectCause.NORMAL; 550 } 551 // If nothing else matches, report unknown call drop reason 552 // to app, not NORMAL call end. 553 return DisconnectCause.ERROR_UNSPECIFIED; 554 } 555 } 556 557 /*package*/ void 558 onRemoteDisconnect(int causeCode, String vendorCause) { 559 this.mPreciseCause = causeCode; 560 this.mVendorCause = vendorCause; 561 onDisconnect(disconnectCauseFromCode(causeCode)); 562 } 563 564 /** 565 * Called when the radio indicates the connection has been disconnected. 566 * @param cause call disconnect cause; values are defined in {@link DisconnectCause} 567 */ 568 @Override 569 public boolean onDisconnect(int cause) { 570 boolean changed = false; 571 572 mCause = cause; 573 574 if (!mDisconnected) { 575 doDisconnect(); 576 577 if (DBG) Rlog.d(LOG_TAG, "onDisconnect: cause=" + cause); 578 579 mOwner.getPhone().notifyDisconnect(this); 580 581 if (mParent != null) { 582 changed = mParent.connectionDisconnected(this); 583 } 584 585 mOrigConnection = null; 586 } 587 clearPostDialListeners(); 588 releaseWakeLock(); 589 return changed; 590 } 591 592 //CDMA 593 /** Called when the call waiting connection has been hung up */ 594 /*package*/ void 595 onLocalDisconnect() { 596 if (!mDisconnected) { 597 doDisconnect(); 598 if (VDBG) Rlog.d(LOG_TAG, "onLoalDisconnect" ); 599 600 if (mParent != null) { 601 mParent.detach(this); 602 } 603 } 604 releaseWakeLock(); 605 } 606 607 // Returns true if state has changed, false if nothing changed 608 public boolean 609 update (DriverCall dc) { 610 GsmCdmaCall newParent; 611 boolean changed = false; 612 boolean wasConnectingInOrOut = isConnectingInOrOut(); 613 boolean wasHolding = (getState() == GsmCdmaCall.State.HOLDING); 614 615 newParent = parentFromDCState(dc.state); 616 617 if (Phone.DEBUG_PHONE) log("parent= " +mParent +", newParent= " + newParent); 618 619 //Ignore dc.number and dc.name in case of a handover connection 620 if (isPhoneTypeGsm() && mOrigConnection != null) { 621 if (Phone.DEBUG_PHONE) log("update: mOrigConnection is not null"); 622 } else if (isIncoming()) { 623 if (!equalsBaseDialString(mAddress, dc.number) && (!mNumberConverted 624 || !equalsBaseDialString(mConvertedNumber, dc.number))) { 625 if (Phone.DEBUG_PHONE) log("update: phone # changed!"); 626 mAddress = dc.number; 627 changed = true; 628 } 629 } 630 631 // A null cnapName should be the same as "" 632 if (TextUtils.isEmpty(dc.name)) { 633 if (!TextUtils.isEmpty(mCnapName)) { 634 changed = true; 635 mCnapName = ""; 636 } 637 } else if (!dc.name.equals(mCnapName)) { 638 changed = true; 639 mCnapName = dc.name; 640 } 641 642 if (Phone.DEBUG_PHONE) log("--dssds----"+mCnapName); 643 mCnapNamePresentation = dc.namePresentation; 644 mNumberPresentation = dc.numberPresentation; 645 646 if (newParent != mParent) { 647 if (mParent != null) { 648 mParent.detach(this); 649 } 650 newParent.attach(this, dc); 651 mParent = newParent; 652 changed = true; 653 } else { 654 boolean parentStateChange; 655 parentStateChange = mParent.update (this, dc); 656 changed = changed || parentStateChange; 657 } 658 659 /** Some state-transition events */ 660 661 if (Phone.DEBUG_PHONE) log( 662 "update: parent=" + mParent + 663 ", hasNewParent=" + (newParent != mParent) + 664 ", wasConnectingInOrOut=" + wasConnectingInOrOut + 665 ", wasHolding=" + wasHolding + 666 ", isConnectingInOrOut=" + isConnectingInOrOut() + 667 ", changed=" + changed); 668 669 670 if (wasConnectingInOrOut && !isConnectingInOrOut()) { 671 onConnectedInOrOut(); 672 } 673 674 if (changed && !wasHolding && (getState() == GsmCdmaCall.State.HOLDING)) { 675 // We've transitioned into HOLDING 676 onStartedHolding(); 677 } 678 679 return changed; 680 } 681 682 /** 683 * Called when this Connection is in the foregroundCall 684 * when a dial is initiated. 685 * We know we're ACTIVE, and we know we're going to end up 686 * HOLDING in the backgroundCall 687 */ 688 void 689 fakeHoldBeforeDial() { 690 if (mParent != null) { 691 mParent.detach(this); 692 } 693 694 mParent = mOwner.mBackgroundCall; 695 mParent.attachFake(this, GsmCdmaCall.State.HOLDING); 696 697 onStartedHolding(); 698 } 699 700 /*package*/ int 701 getGsmCdmaIndex() throws CallStateException { 702 if (mIndex >= 0) { 703 return mIndex + 1; 704 } else { 705 throw new CallStateException ("GsmCdma index not yet assigned"); 706 } 707 } 708 709 /** 710 * An incoming or outgoing call has connected 711 */ 712 void 713 onConnectedInOrOut() { 714 mConnectTime = System.currentTimeMillis(); 715 mConnectTimeReal = SystemClock.elapsedRealtime(); 716 mDuration = 0; 717 718 // bug #678474: incoming call interpreted as missed call, even though 719 // it sounds like the user has picked up the call. 720 if (Phone.DEBUG_PHONE) { 721 log("onConnectedInOrOut: connectTime=" + mConnectTime); 722 } 723 724 if (!mIsIncoming) { 725 // outgoing calls only 726 processNextPostDialChar(); 727 } else { 728 // Only release wake lock for incoming calls, for outgoing calls the wake lock 729 // will be released after any pause-dial is completed 730 releaseWakeLock(); 731 } 732 } 733 734 private void 735 doDisconnect() { 736 mIndex = -1; 737 mDisconnectTime = System.currentTimeMillis(); 738 mDuration = SystemClock.elapsedRealtime() - mConnectTimeReal; 739 mDisconnected = true; 740 clearPostDialListeners(); 741 } 742 743 /*package*/ void 744 onStartedHolding() { 745 mHoldingStartTime = SystemClock.elapsedRealtime(); 746 } 747 748 /** 749 * Performs the appropriate action for a post-dial char, but does not 750 * notify application. returns false if the character is invalid and 751 * should be ignored 752 */ 753 private boolean 754 processPostDialChar(char c) { 755 if (PhoneNumberUtils.is12Key(c)) { 756 mOwner.mCi.sendDtmf(c, mHandler.obtainMessage(EVENT_DTMF_DONE)); 757 } else if (isPause(c)) { 758 if (!isPhoneTypeGsm()) { 759 setPostDialState(PostDialState.PAUSE); 760 } 761 // From TS 22.101: 762 // It continues... 763 // Upon the called party answering the UE shall send the DTMF digits 764 // automatically to the network after a delay of 3 seconds( 20 ). 765 // The digits shall be sent according to the procedures and timing 766 // specified in 3GPP TS 24.008 [13]. The first occurrence of the 767 // "DTMF Control Digits Separator" shall be used by the ME to 768 // distinguish between the addressing digits (i.e. the phone number) 769 // and the DTMF digits. Upon subsequent occurrences of the 770 // separator, 771 // the UE shall pause again for 3 seconds ( 20 ) before sending 772 // any further DTMF digits. 773 mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_PAUSE_DONE), 774 isPhoneTypeGsm() ? PAUSE_DELAY_MILLIS_GSM: PAUSE_DELAY_MILLIS_CDMA); 775 } else if (isWait(c)) { 776 setPostDialState(PostDialState.WAIT); 777 } else if (isWild(c)) { 778 setPostDialState(PostDialState.WILD); 779 } else { 780 return false; 781 } 782 783 return true; 784 } 785 786 @Override 787 public String 788 getRemainingPostDialString() { 789 String subStr = super.getRemainingPostDialString(); 790 if (!isPhoneTypeGsm() && !TextUtils.isEmpty(subStr)) { 791 int wIndex = subStr.indexOf(PhoneNumberUtils.WAIT); 792 int pIndex = subStr.indexOf(PhoneNumberUtils.PAUSE); 793 794 if (wIndex > 0 && (wIndex < pIndex || pIndex <= 0)) { 795 subStr = subStr.substring(0, wIndex); 796 } else if (pIndex > 0) { 797 subStr = subStr.substring(0, pIndex); 798 } 799 } 800 return subStr; 801 } 802 803 //CDMA 804 public void updateParent(GsmCdmaCall oldParent, GsmCdmaCall newParent){ 805 if (newParent != oldParent) { 806 if (oldParent != null) { 807 oldParent.detach(this); 808 } 809 newParent.attachFake(this, GsmCdmaCall.State.ACTIVE); 810 mParent = newParent; 811 } 812 } 813 814 @Override 815 protected void finalize() 816 { 817 /** 818 * It is understood that This finalizer is not guaranteed 819 * to be called and the release lock call is here just in 820 * case there is some path that doesn't call onDisconnect 821 * and or onConnectedInOrOut. 822 */ 823 if (mPartialWakeLock != null && mPartialWakeLock.isHeld()) { 824 Rlog.e(LOG_TAG, "UNEXPECTED; mPartialWakeLock is held when finalizing."); 825 } 826 clearPostDialListeners(); 827 releaseWakeLock(); 828 } 829 830 private void 831 processNextPostDialChar() { 832 char c = 0; 833 Registrant postDialHandler; 834 835 if (mPostDialState == PostDialState.CANCELLED) { 836 releaseWakeLock(); 837 return; 838 } 839 840 if (mPostDialString == null || 841 mPostDialString.length() <= mNextPostDialChar) { 842 setPostDialState(PostDialState.COMPLETE); 843 844 // We were holding a wake lock until pause-dial was complete, so give it up now 845 releaseWakeLock(); 846 847 // notifyMessage.arg1 is 0 on complete 848 c = 0; 849 } else { 850 boolean isValid; 851 852 setPostDialState(PostDialState.STARTED); 853 854 c = mPostDialString.charAt(mNextPostDialChar++); 855 856 isValid = processPostDialChar(c); 857 858 if (!isValid) { 859 // Will call processNextPostDialChar 860 mHandler.obtainMessage(EVENT_NEXT_POST_DIAL).sendToTarget(); 861 // Don't notify application 862 Rlog.e(LOG_TAG, "processNextPostDialChar: c=" + c + " isn't valid!"); 863 return; 864 } 865 } 866 867 notifyPostDialListenersNextChar(c); 868 869 // TODO: remove the following code since the handler no longer executes anything. 870 postDialHandler = mOwner.getPhone().getPostDialHandler(); 871 872 Message notifyMessage; 873 874 if (postDialHandler != null 875 && (notifyMessage = postDialHandler.messageForRegistrant()) != null) { 876 // The AsyncResult.result is the Connection object 877 PostDialState state = mPostDialState; 878 AsyncResult ar = AsyncResult.forMessage(notifyMessage); 879 ar.result = this; 880 ar.userObj = state; 881 882 // arg1 is the character that was/is being processed 883 notifyMessage.arg1 = c; 884 885 //Rlog.v("GsmCdma", "##### processNextPostDialChar: send msg to postDialHandler, arg1=" + c); 886 notifyMessage.sendToTarget(); 887 } 888 } 889 890 /** "connecting" means "has never been ACTIVE" for both incoming 891 * and outgoing calls 892 */ 893 private boolean 894 isConnectingInOrOut() { 895 return mParent == null || mParent == mOwner.mRingingCall 896 || mParent.mState == GsmCdmaCall.State.DIALING 897 || mParent.mState == GsmCdmaCall.State.ALERTING; 898 } 899 900 private GsmCdmaCall 901 parentFromDCState (DriverCall.State state) { 902 switch (state) { 903 case ACTIVE: 904 case DIALING: 905 case ALERTING: 906 return mOwner.mForegroundCall; 907 //break; 908 909 case HOLDING: 910 return mOwner.mBackgroundCall; 911 //break; 912 913 case INCOMING: 914 case WAITING: 915 return mOwner.mRingingCall; 916 //break; 917 918 default: 919 throw new RuntimeException("illegal call state: " + state); 920 } 921 } 922 923 /** 924 * Set post dial state and acquire wake lock while switching to "started" or "pause" 925 * state, the wake lock will be released if state switches out of "started" or "pause" 926 * state or after WAKE_LOCK_TIMEOUT_MILLIS. 927 * @param s new PostDialState 928 */ 929 private void setPostDialState(PostDialState s) { 930 if (s == PostDialState.STARTED || 931 s == PostDialState.PAUSE) { 932 synchronized (mPartialWakeLock) { 933 if (mPartialWakeLock.isHeld()) { 934 mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT); 935 } else { 936 acquireWakeLock(); 937 } 938 Message msg = mHandler.obtainMessage(EVENT_WAKE_LOCK_TIMEOUT); 939 mHandler.sendMessageDelayed(msg, WAKE_LOCK_TIMEOUT_MILLIS); 940 } 941 } else { 942 mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT); 943 releaseWakeLock(); 944 } 945 mPostDialState = s; 946 notifyPostDialListeners(); 947 } 948 949 private void createWakeLock(Context context) { 950 PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 951 mPartialWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, LOG_TAG); 952 } 953 954 private void acquireWakeLock() { 955 if (mPartialWakeLock != null) { 956 synchronized (mPartialWakeLock) { 957 log("acquireWakeLock"); 958 mPartialWakeLock.acquire(); 959 } 960 } 961 } 962 963 private void releaseWakeLock() { 964 if (mPartialWakeLock != null) { 965 synchronized (mPartialWakeLock) { 966 if (mPartialWakeLock.isHeld()) { 967 log("releaseWakeLock"); 968 mPartialWakeLock.release(); 969 } 970 } 971 } 972 } 973 974 private void releaseAllWakeLocks() { 975 if (mPartialWakeLock != null) { 976 synchronized (mPartialWakeLock) { 977 while (mPartialWakeLock.isHeld()) { 978 mPartialWakeLock.release(); 979 } 980 } 981 } 982 } 983 984 private static boolean isPause(char c) { 985 return c == PhoneNumberUtils.PAUSE; 986 } 987 988 private static boolean isWait(char c) { 989 return c == PhoneNumberUtils.WAIT; 990 } 991 992 private static boolean isWild(char c) { 993 return c == PhoneNumberUtils.WILD; 994 } 995 996 //CDMA 997 // This function is to find the next PAUSE character index if 998 // multiple pauses in a row. Otherwise it finds the next non PAUSE or 999 // non WAIT character index. 1000 private static int findNextPCharOrNonPOrNonWCharIndex(String phoneNumber, int currIndex) { 1001 boolean wMatched = isWait(phoneNumber.charAt(currIndex)); 1002 int index = currIndex + 1; 1003 int length = phoneNumber.length(); 1004 while (index < length) { 1005 char cNext = phoneNumber.charAt(index); 1006 // if there is any W inside P/W sequence,mark it 1007 if (isWait(cNext)) { 1008 wMatched = true; 1009 } 1010 // if any characters other than P/W chars after P/W sequence 1011 // we break out the loop and append the correct 1012 if (!isWait(cNext) && !isPause(cNext)) { 1013 break; 1014 } 1015 index++; 1016 } 1017 1018 // It means the PAUSE character(s) is in the middle of dial string 1019 // and it needs to be handled one by one. 1020 if ((index < length) && (index > (currIndex + 1)) && 1021 ((wMatched == false) && isPause(phoneNumber.charAt(currIndex)))) { 1022 return (currIndex + 1); 1023 } 1024 return index; 1025 } 1026 1027 // CDMA 1028 // This function returns either PAUSE or WAIT character to append. 1029 // It is based on the next non PAUSE/WAIT character in the phoneNumber and the 1030 // index for the current PAUSE/WAIT character 1031 private static char findPOrWCharToAppend(String phoneNumber, int currPwIndex, 1032 int nextNonPwCharIndex) { 1033 char c = phoneNumber.charAt(currPwIndex); 1034 char ret; 1035 1036 // Append the PW char 1037 ret = (isPause(c)) ? PhoneNumberUtils.PAUSE : PhoneNumberUtils.WAIT; 1038 1039 // If the nextNonPwCharIndex is greater than currPwIndex + 1, 1040 // it means the PW sequence contains not only P characters. 1041 // Since for the sequence that only contains P character, 1042 // the P character is handled one by one, the nextNonPwCharIndex 1043 // equals to currPwIndex + 1. 1044 // In this case, skip P, append W. 1045 if (nextNonPwCharIndex > (currPwIndex + 1)) { 1046 ret = PhoneNumberUtils.WAIT; 1047 } 1048 return ret; 1049 } 1050 1051 private String maskDialString(String dialString) { 1052 if (VDBG) { 1053 return dialString; 1054 } 1055 1056 return "<MASKED>"; 1057 } 1058 1059 private void fetchDtmfToneDelay(GsmCdmaPhone phone) { 1060 CarrierConfigManager configMgr = (CarrierConfigManager) 1061 phone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); 1062 PersistableBundle b = configMgr.getConfigForSubId(phone.getSubId()); 1063 if (b != null) { 1064 mDtmfToneDelay = b.getInt(phone.getDtmfToneDelayKey()); 1065 } 1066 } 1067 1068 private boolean isPhoneTypeGsm() { 1069 return mOwner.getPhone().getPhoneType() == PhoneConstants.PHONE_TYPE_GSM; 1070 } 1071 1072 private void log(String msg) { 1073 Rlog.d(LOG_TAG, "[GsmCdmaConn] " + msg); 1074 } 1075 1076 @Override 1077 public int getNumberPresentation() { 1078 return mNumberPresentation; 1079 } 1080 1081 @Override 1082 public UUSInfo getUUSInfo() { 1083 return mUusInfo; 1084 } 1085 1086 public int getPreciseDisconnectCause() { 1087 return mPreciseCause; 1088 } 1089 1090 @Override 1091 public String getVendorDisconnectCause() { 1092 return mVendorCause; 1093 } 1094 1095 @Override 1096 public void migrateFrom(Connection c) { 1097 if (c == null) return; 1098 1099 super.migrateFrom(c); 1100 1101 this.mUusInfo = c.getUUSInfo(); 1102 1103 this.setUserData(c.getUserData()); 1104 } 1105 1106 @Override 1107 public Connection getOrigConnection() { 1108 return mOrigConnection; 1109 } 1110 1111 @Override 1112 public boolean isMultiparty() { 1113 if (mOrigConnection != null) { 1114 return mOrigConnection.isMultiparty(); 1115 } 1116 1117 return false; 1118 } 1119} 1120