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