1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.telephony.gsm; 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.PowerManager; 24 import android.os.Registrant; 25 import android.os.SystemClock; 26 import android.telephony.Rlog; 27 import android.telephony.PhoneNumberUtils; 28 import android.telephony.ServiceState; 29 import android.text.TextUtils; 30 31 import com.android.internal.telephony.*; 32 import com.android.internal.telephony.uicc.UiccCardApplication; 33 import com.android.internal.telephony.uicc.UiccController; 34 import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppState; 35 36 /** 37 * {@hide} 38 */ 39 public class GsmConnection extends Connection { 40 private static final String LOG_TAG = "GsmConnection"; 41 private static final boolean DBG = true; 42 43 //***** Instance Variables 44 45 GsmCallTracker mOwner; 46 GsmCall mParent; 47 48 String mAddress; // MAY BE NULL!!! 49 String mDialString; // outgoing calls only 50 String mPostDialString; // outgoing calls only 51 boolean mIsIncoming; 52 boolean mDisconnected; 53 54 int mIndex; // index in GsmCallTracker.connections[], -1 if unassigned 55 // The GSM 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 mCreateTime; 62 long mConnectTime; 63 long mDisconnectTime; 64 65 /* 66 * These time/timespan values are based on SystemClock.elapsedRealTime(), 67 * i.e., time since boot. They are appropriate for comparison and 68 * calculating deltas. 69 */ 70 long mConnectTimeReal; 71 long mDuration; 72 long mHoldingStartTime; // The time when the Connection last transitioned 73 // into HOLDING 74 75 int mNextPostDialChar; // index into postDialString 76 77 DisconnectCause mCause = DisconnectCause.NOT_DISCONNECTED; 78 PostDialState mPostDialState = PostDialState.NOT_STARTED; 79 int mNumberPresentation = PhoneConstants.PRESENTATION_ALLOWED; 80 UUSInfo mUusInfo; 81 82 Handler mHandler; 83 84 private PowerManager.WakeLock mPartialWakeLock; 85 86 //***** Event Constants 87 static final int EVENT_DTMF_DONE = 1; 88 static final int EVENT_PAUSE_DONE = 2; 89 static final int EVENT_NEXT_POST_DIAL = 3; 90 static final int EVENT_WAKE_LOCK_TIMEOUT = 4; 91 92 //***** Constants 93 static final int PAUSE_DELAY_MILLIS = 3 * 1000; 94 static final int WAKE_LOCK_TIMEOUT_MILLIS = 60*1000; 95 96 //***** Inner Classes 97 98 class MyHandler extends Handler { 99 MyHandler(Looper l) {super(l);} 100 101 @Override 102 public void 103 handleMessage(Message msg) { 104 105 switch (msg.what) { 106 case EVENT_NEXT_POST_DIAL: 107 case EVENT_DTMF_DONE: 108 case EVENT_PAUSE_DONE: 109 processNextPostDialChar(); 110 break; 111 case EVENT_WAKE_LOCK_TIMEOUT: 112 releaseWakeLock(); 113 break; 114 } 115 } 116 } 117 118 //***** Constructors 119 120 /** This is probably an MT call that we first saw in a CLCC response */ 121 /*package*/ 122 GsmConnection (Context context, DriverCall dc, GsmCallTracker ct, int index) { 123 createWakeLock(context); 124 acquireWakeLock(); 125 126 mOwner = ct; 127 mHandler = new MyHandler(mOwner.getLooper()); 128 129 mAddress = dc.number; 130 131 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 } 143 144 /** This is an MO call, created when dialing */ 145 /*package*/ 146 GsmConnection (Context context, String dialString, GsmCallTracker ct, GsmCall parent) { 147 createWakeLock(context); 148 acquireWakeLock(); 149 150 mOwner = ct; 151 mHandler = new MyHandler(mOwner.getLooper()); 152 153 mDialString = dialString; 154 155 mAddress = PhoneNumberUtils.extractNetworkPortionAlt(dialString); 156 mPostDialString = PhoneNumberUtils.extractPostDialPortion(dialString); 157 158 mIndex = -1; 159 160 mIsIncoming = false; 161 mCnapName = null; 162 mCnapNamePresentation = PhoneConstants.PRESENTATION_ALLOWED; 163 mNumberPresentation = PhoneConstants.PRESENTATION_ALLOWED; 164 mCreateTime = System.currentTimeMillis(); 165 166 mParent = parent; 167 parent.attachFake(this, GsmCall.State.DIALING); 168 } 169 170 public void dispose() { 171 } 172 173 static boolean 174 equalsHandlesNulls (Object a, Object b) { 175 return (a == null) ? (b == null) : a.equals (b); 176 } 177 178 /*package*/ boolean 179 compareTo(DriverCall c) { 180 // On mobile originated (MO) calls, the phone number may have changed 181 // due to a SIM Toolkit call control modification. 182 // 183 // We assume we know when MO calls are created (since we created them) 184 // and therefore don't need to compare the phone number anyway. 185 if (! (mIsIncoming || c.isMT)) return true; 186 187 // ... but we can compare phone numbers on MT calls, and we have 188 // no control over when they begin, so we might as well 189 190 String cAddress = PhoneNumberUtils.stringFromStringAndTOA(c.number, c.TOA); 191 return mIsIncoming == c.isMT && equalsHandlesNulls(mAddress, cAddress); 192 } 193 194 @Override 195 public String getAddress() { 196 return mAddress; 197 } 198 199 @Override 200 public GsmCall getCall() { 201 return mParent; 202 } 203 204 @Override 205 public long getCreateTime() { 206 return mCreateTime; 207 } 208 209 @Override 210 public long getConnectTime() { 211 return mConnectTime; 212 } 213 214 @Override 215 public long getDisconnectTime() { 216 return mDisconnectTime; 217 } 218 219 @Override 220 public long getDurationMillis() { 221 if (mConnectTimeReal == 0) { 222 return 0; 223 } else if (mDuration == 0) { 224 return SystemClock.elapsedRealtime() - mConnectTimeReal; 225 } else { 226 return mDuration; 227 } 228 } 229 230 @Override 231 public long getHoldDurationMillis() { 232 if (getState() != GsmCall.State.HOLDING) { 233 // If not holding, return 0 234 return 0; 235 } else { 236 return SystemClock.elapsedRealtime() - mHoldingStartTime; 237 } 238 } 239 240 @Override 241 public DisconnectCause getDisconnectCause() { 242 return mCause; 243 } 244 245 @Override 246 public boolean isIncoming() { 247 return mIsIncoming; 248 } 249 250 @Override 251 public GsmCall.State getState() { 252 if (mDisconnected) { 253 return GsmCall.State.DISCONNECTED; 254 } else { 255 return super.getState(); 256 } 257 } 258 259 @Override 260 public void hangup() throws CallStateException { 261 if (!mDisconnected) { 262 mOwner.hangup(this); 263 } else { 264 throw new CallStateException ("disconnected"); 265 } 266 } 267 268 @Override 269 public void separate() throws CallStateException { 270 if (!mDisconnected) { 271 mOwner.separate(this); 272 } else { 273 throw new CallStateException ("disconnected"); 274 } 275 } 276 277 @Override 278 public PostDialState getPostDialState() { 279 return mPostDialState; 280 } 281 282 @Override 283 public void proceedAfterWaitChar() { 284 if (mPostDialState != PostDialState.WAIT) { 285 Rlog.w(LOG_TAG, "GsmConnection.proceedAfterWaitChar(): Expected " 286 + "getPostDialState() to be WAIT but was " + mPostDialState); 287 return; 288 } 289 290 setPostDialState(PostDialState.STARTED); 291 292 processNextPostDialChar(); 293 } 294 295 @Override 296 public void proceedAfterWildChar(String str) { 297 if (mPostDialState != PostDialState.WILD) { 298 Rlog.w(LOG_TAG, "GsmConnection.proceedAfterWaitChar(): Expected " 299 + "getPostDialState() to be WILD but was " + mPostDialState); 300 return; 301 } 302 303 setPostDialState(PostDialState.STARTED); 304 305 // make a new postDialString, with the wild char replacement string 306 // at the beginning, followed by the remaining postDialString. 307 308 StringBuilder buf = new StringBuilder(str); 309 buf.append(mPostDialString.substring(mNextPostDialChar)); 310 mPostDialString = buf.toString(); 311 mNextPostDialChar = 0; 312 if (Phone.DEBUG_PHONE) { 313 log("proceedAfterWildChar: new postDialString is " + 314 mPostDialString); 315 } 316 317 processNextPostDialChar(); 318 } 319 320 @Override 321 public void cancelPostDial() { 322 setPostDialState(PostDialState.CANCELLED); 323 } 324 325 /** 326 * Called when this Connection is being hung up locally (eg, user pressed "end") 327 * Note that at this point, the hangup request has been dispatched to the radio 328 * but no response has yet been received so update() has not yet been called 329 */ 330 void 331 onHangupLocal() { 332 mCause = DisconnectCause.LOCAL; 333 } 334 335 DisconnectCause 336 disconnectCauseFromCode(int causeCode) { 337 /** 338 * See 22.001 Annex F.4 for mapping of cause codes 339 * to local tones 340 */ 341 342 switch (causeCode) { 343 case CallFailCause.USER_BUSY: 344 return DisconnectCause.BUSY; 345 346 case CallFailCause.NO_CIRCUIT_AVAIL: 347 case CallFailCause.TEMPORARY_FAILURE: 348 case CallFailCause.SWITCHING_CONGESTION: 349 case CallFailCause.CHANNEL_NOT_AVAIL: 350 case CallFailCause.QOS_NOT_AVAIL: 351 case CallFailCause.BEARER_NOT_AVAIL: 352 return DisconnectCause.CONGESTION; 353 354 case CallFailCause.ACM_LIMIT_EXCEEDED: 355 return DisconnectCause.LIMIT_EXCEEDED; 356 357 case CallFailCause.CALL_BARRED: 358 return DisconnectCause.CALL_BARRED; 359 360 case CallFailCause.FDN_BLOCKED: 361 return DisconnectCause.FDN_BLOCKED; 362 363 case CallFailCause.UNOBTAINABLE_NUMBER: 364 return DisconnectCause.UNOBTAINABLE_NUMBER; 365 366 case CallFailCause.ERROR_UNSPECIFIED: 367 case CallFailCause.NORMAL_CLEARING: 368 default: 369 GSMPhone phone = mOwner.mPhone; 370 int serviceState = phone.getServiceState().getState(); 371 UiccCardApplication cardApp = UiccController 372 .getInstance() 373 .getUiccCardApplication(UiccController.APP_FAM_3GPP); 374 AppState uiccAppState = (cardApp != null) ? cardApp.getState() : 375 AppState.APPSTATE_UNKNOWN; 376 if (serviceState == ServiceState.STATE_POWER_OFF) { 377 return DisconnectCause.POWER_OFF; 378 } else if (serviceState == ServiceState.STATE_OUT_OF_SERVICE 379 || serviceState == ServiceState.STATE_EMERGENCY_ONLY ) { 380 return DisconnectCause.OUT_OF_SERVICE; 381 } else if (uiccAppState != AppState.APPSTATE_READY) { 382 return DisconnectCause.ICC_ERROR; 383 } else if (causeCode == CallFailCause.ERROR_UNSPECIFIED) { 384 if (phone.mSST.mRestrictedState.isCsRestricted()) { 385 return DisconnectCause.CS_RESTRICTED; 386 } else if (phone.mSST.mRestrictedState.isCsEmergencyRestricted()) { 387 return DisconnectCause.CS_RESTRICTED_EMERGENCY; 388 } else if (phone.mSST.mRestrictedState.isCsNormalRestricted()) { 389 return DisconnectCause.CS_RESTRICTED_NORMAL; 390 } else { 391 return DisconnectCause.ERROR_UNSPECIFIED; 392 } 393 } else if (causeCode == CallFailCause.NORMAL_CLEARING) { 394 return DisconnectCause.NORMAL; 395 } else { 396 // If nothing else matches, report unknown call drop reason 397 // to app, not NORMAL call end. 398 return DisconnectCause.ERROR_UNSPECIFIED; 399 } 400 } 401 } 402 403 /*package*/ void 404 onRemoteDisconnect(int causeCode) { 405 onDisconnect(disconnectCauseFromCode(causeCode)); 406 } 407 408 /** Called when the radio indicates the connection has been disconnected */ 409 /*package*/ void 410 onDisconnect(DisconnectCause cause) { 411 mCause = cause; 412 413 if (!mDisconnected) { 414 mIndex = -1; 415 416 mDisconnectTime = System.currentTimeMillis(); 417 mDuration = SystemClock.elapsedRealtime() - mConnectTimeReal; 418 mDisconnected = true; 419 420 if (DBG) Rlog.d(LOG_TAG, "onDisconnect: cause=" + cause); 421 422 mOwner.mPhone.notifyDisconnect(this); 423 424 if (mParent != null) { 425 mParent.connectionDisconnected(this); 426 } 427 } 428 releaseWakeLock(); 429 } 430 431 // Returns true if state has changed, false if nothing changed 432 /*package*/ boolean 433 update (DriverCall dc) { 434 GsmCall newParent; 435 boolean changed = false; 436 boolean wasConnectingInOrOut = isConnectingInOrOut(); 437 boolean wasHolding = (getState() == GsmCall.State.HOLDING); 438 439 newParent = parentFromDCState(dc.state); 440 441 if (!equalsHandlesNulls(mAddress, dc.number)) { 442 if (Phone.DEBUG_PHONE) log("update: phone # changed!"); 443 mAddress = dc.number; 444 changed = true; 445 } 446 447 // A null cnapName should be the same as "" 448 if (TextUtils.isEmpty(dc.name)) { 449 if (!TextUtils.isEmpty(mCnapName)) { 450 changed = true; 451 mCnapName = ""; 452 } 453 } else if (!dc.name.equals(mCnapName)) { 454 changed = true; 455 mCnapName = dc.name; 456 } 457 458 if (Phone.DEBUG_PHONE) log("--dssds----"+mCnapName); 459 mCnapNamePresentation = dc.namePresentation; 460 mNumberPresentation = dc.numberPresentation; 461 462 if (newParent != mParent) { 463 if (mParent != null) { 464 mParent.detach(this); 465 } 466 newParent.attach(this, dc); 467 mParent = newParent; 468 changed = true; 469 } else { 470 boolean parentStateChange; 471 parentStateChange = mParent.update (this, dc); 472 changed = changed || parentStateChange; 473 } 474 475 /** Some state-transition events */ 476 477 if (Phone.DEBUG_PHONE) log( 478 "update: parent=" + mParent + 479 ", hasNewParent=" + (newParent != mParent) + 480 ", wasConnectingInOrOut=" + wasConnectingInOrOut + 481 ", wasHolding=" + wasHolding + 482 ", isConnectingInOrOut=" + isConnectingInOrOut() + 483 ", changed=" + changed); 484 485 486 if (wasConnectingInOrOut && !isConnectingInOrOut()) { 487 onConnectedInOrOut(); 488 } 489 490 if (changed && !wasHolding && (getState() == GsmCall.State.HOLDING)) { 491 // We've transitioned into HOLDING 492 onStartedHolding(); 493 } 494 495 return changed; 496 } 497 498 /** 499 * Called when this Connection is in the foregroundCall 500 * when a dial is initiated. 501 * We know we're ACTIVE, and we know we're going to end up 502 * HOLDING in the backgroundCall 503 */ 504 void 505 fakeHoldBeforeDial() { 506 if (mParent != null) { 507 mParent.detach(this); 508 } 509 510 mParent = mOwner.mBackgroundCall; 511 mParent.attachFake(this, GsmCall.State.HOLDING); 512 513 onStartedHolding(); 514 } 515 516 /*package*/ int 517 getGSMIndex() throws CallStateException { 518 if (mIndex >= 0) { 519 return mIndex + 1; 520 } else { 521 throw new CallStateException ("GSM index not yet assigned"); 522 } 523 } 524 525 /** 526 * An incoming or outgoing call has connected 527 */ 528 void 529 onConnectedInOrOut() { 530 mConnectTime = System.currentTimeMillis(); 531 mConnectTimeReal = SystemClock.elapsedRealtime(); 532 mDuration = 0; 533 534 // bug #678474: incoming call interpreted as missed call, even though 535 // it sounds like the user has picked up the call. 536 if (Phone.DEBUG_PHONE) { 537 log("onConnectedInOrOut: connectTime=" + mConnectTime); 538 } 539 540 if (!mIsIncoming) { 541 // outgoing calls only 542 processNextPostDialChar(); 543 } 544 releaseWakeLock(); 545 } 546 547 /*package*/ void 548 onStartedHolding() { 549 mHoldingStartTime = SystemClock.elapsedRealtime(); 550 } 551 /** 552 * Performs the appropriate action for a post-dial char, but does not 553 * notify application. returns false if the character is invalid and 554 * should be ignored 555 */ 556 private boolean 557 processPostDialChar(char c) { 558 if (PhoneNumberUtils.is12Key(c)) { 559 mOwner.mCi.sendDtmf(c, mHandler.obtainMessage(EVENT_DTMF_DONE)); 560 } else if (c == PhoneNumberUtils.PAUSE) { 561 // From TS 22.101: 562 // It continues... 563 // Upon the called party answering the UE shall send the DTMF digits 564 // automatically to the network after a delay of 3 seconds( 20 ). 565 // The digits shall be sent according to the procedures and timing 566 // specified in 3GPP TS 24.008 [13]. The first occurrence of the 567 // "DTMF Control Digits Separator" shall be used by the ME to 568 // distinguish between the addressing digits (i.e. the phone number) 569 // and the DTMF digits. Upon subsequent occurrences of the 570 // separator, 571 // the UE shall pause again for 3 seconds ( 20 ) before sending 572 // any further DTMF digits. 573 mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_PAUSE_DONE), 574 PAUSE_DELAY_MILLIS); 575 } else if (c == PhoneNumberUtils.WAIT) { 576 setPostDialState(PostDialState.WAIT); 577 } else if (c == PhoneNumberUtils.WILD) { 578 setPostDialState(PostDialState.WILD); 579 } else { 580 return false; 581 } 582 583 return true; 584 } 585 586 @Override 587 public String 588 getRemainingPostDialString() { 589 if (mPostDialState == PostDialState.CANCELLED 590 || mPostDialState == PostDialState.COMPLETE 591 || mPostDialString == null 592 || mPostDialString.length() <= mNextPostDialChar 593 ) { 594 return ""; 595 } 596 597 return mPostDialString.substring(mNextPostDialChar); 598 } 599 600 @Override 601 protected void finalize() 602 { 603 /** 604 * It is understood that This finializer is not guaranteed 605 * to be called and the release lock call is here just in 606 * case there is some path that doesn't call onDisconnect 607 * and or onConnectedInOrOut. 608 */ 609 if (mPartialWakeLock.isHeld()) { 610 Rlog.e(LOG_TAG, "[GSMConn] UNEXPECTED; mPartialWakeLock is held when finalizing."); 611 } 612 releaseWakeLock(); 613 } 614 615 private void 616 processNextPostDialChar() { 617 char c = 0; 618 Registrant postDialHandler; 619 620 if (mPostDialState == PostDialState.CANCELLED) { 621 //Rlog.v("GSM", "##### processNextPostDialChar: postDialState == CANCELLED, bail"); 622 return; 623 } 624 625 if (mPostDialString == null || 626 mPostDialString.length() <= mNextPostDialChar) { 627 setPostDialState(PostDialState.COMPLETE); 628 629 // notifyMessage.arg1 is 0 on complete 630 c = 0; 631 } else { 632 boolean isValid; 633 634 setPostDialState(PostDialState.STARTED); 635 636 c = mPostDialString.charAt(mNextPostDialChar++); 637 638 isValid = processPostDialChar(c); 639 640 if (!isValid) { 641 // Will call processNextPostDialChar 642 mHandler.obtainMessage(EVENT_NEXT_POST_DIAL).sendToTarget(); 643 // Don't notify application 644 Rlog.e("GSM", "processNextPostDialChar: c=" + c + " isn't valid!"); 645 return; 646 } 647 } 648 649 postDialHandler = mOwner.mPhone.mPostDialHandler; 650 651 Message notifyMessage; 652 653 if (postDialHandler != null 654 && (notifyMessage = postDialHandler.messageForRegistrant()) != null) { 655 // The AsyncResult.result is the Connection object 656 PostDialState state = mPostDialState; 657 AsyncResult ar = AsyncResult.forMessage(notifyMessage); 658 ar.result = this; 659 ar.userObj = state; 660 661 // arg1 is the character that was/is being processed 662 notifyMessage.arg1 = c; 663 664 //Rlog.v("GSM", "##### processNextPostDialChar: send msg to postDialHandler, arg1=" + c); 665 notifyMessage.sendToTarget(); 666 } 667 } 668 669 670 /** "connecting" means "has never been ACTIVE" for both incoming 671 * and outgoing calls 672 */ 673 private boolean 674 isConnectingInOrOut() { 675 return mParent == null || mParent == mOwner.mRingingCall 676 || mParent.mState == GsmCall.State.DIALING 677 || mParent.mState == GsmCall.State.ALERTING; 678 } 679 680 private GsmCall 681 parentFromDCState (DriverCall.State state) { 682 switch (state) { 683 case ACTIVE: 684 case DIALING: 685 case ALERTING: 686 return mOwner.mForegroundCall; 687 //break; 688 689 case HOLDING: 690 return mOwner.mBackgroundCall; 691 //break; 692 693 case INCOMING: 694 case WAITING: 695 return mOwner.mRingingCall; 696 //break; 697 698 default: 699 throw new RuntimeException("illegal call state: " + state); 700 } 701 } 702 703 /** 704 * Set post dial state and acquire wake lock while switching to "started" 705 * state, the wake lock will be released if state switches out of "started" 706 * state or after WAKE_LOCK_TIMEOUT_MILLIS. 707 * @param s new PostDialState 708 */ 709 private void setPostDialState(PostDialState s) { 710 if (mPostDialState != PostDialState.STARTED 711 && s == PostDialState.STARTED) { 712 acquireWakeLock(); 713 Message msg = mHandler.obtainMessage(EVENT_WAKE_LOCK_TIMEOUT); 714 mHandler.sendMessageDelayed(msg, WAKE_LOCK_TIMEOUT_MILLIS); 715 } else if (mPostDialState == PostDialState.STARTED 716 && s != PostDialState.STARTED) { 717 mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT); 718 releaseWakeLock(); 719 } 720 mPostDialState = s; 721 } 722 723 private void 724 createWakeLock(Context context) { 725 PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 726 mPartialWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, LOG_TAG); 727 } 728 729 private void 730 acquireWakeLock() { 731 log("acquireWakeLock"); 732 mPartialWakeLock.acquire(); 733 } 734 735 private void 736 releaseWakeLock() { 737 synchronized(mPartialWakeLock) { 738 if (mPartialWakeLock.isHeld()) { 739 log("releaseWakeLock"); 740 mPartialWakeLock.release(); 741 } 742 } 743 } 744 745 private void log(String msg) { 746 Rlog.d(LOG_TAG, "[GSMConn] " + msg); 747 } 748 749 @Override 750 public int getNumberPresentation() { 751 return mNumberPresentation; 752 } 753 754 @Override 755 public UUSInfo getUUSInfo() { 756 return mUusInfo; 757 } 758 } 759
