1 /* 2 * Copyright (C) 2007 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.cat; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageManager; 22 import android.content.pm.ResolveInfo; 23 import android.os.AsyncResult; 24 import android.os.Handler; 25 import android.os.HandlerThread; 26 import android.os.Message; 27 import android.os.SystemProperties; 28 29 import com.android.internal.telephony.IccUtils; 30 import com.android.internal.telephony.CommandsInterface; 31 import com.android.internal.telephony.IccCard; 32 import com.android.internal.telephony.IccFileHandler; 33 import com.android.internal.telephony.IccRecords; 34 35 36 import java.io.ByteArrayOutputStream; 37 import java.util.List; 38 import java.util.Locale; 39 40 class RilMessage { 41 int mId; 42 Object mData; 43 ResultCode mResCode; 44 45 RilMessage(int msgId, String rawData) { 46 mId = msgId; 47 mData = rawData; 48 } 49 50 RilMessage(RilMessage other) { 51 this.mId = other.mId; 52 this.mData = other.mData; 53 this.mResCode = other.mResCode; 54 } 55 } 56 57 /** 58 * Class that implements SIM Toolkit Telephony Service. Interacts with the RIL 59 * and application. 60 * 61 * {@hide} 62 */ 63 public class CatService extends Handler implements AppInterface { 64 65 // Class members 66 private static IccRecords mIccRecords; 67 68 // Service members. 69 // Protects singleton instance lazy initialization. 70 private static final Object sInstanceLock = new Object(); 71 private static CatService sInstance; 72 private CommandsInterface mCmdIf; 73 private Context mContext; 74 private CatCmdMessage mCurrntCmd = null; 75 private CatCmdMessage mMenuCmd = null; 76 77 private RilMessageDecoder mMsgDecoder = null; 78 private boolean mStkAppInstalled = false; 79 80 // Service constants. 81 static final int MSG_ID_SESSION_END = 1; 82 static final int MSG_ID_PROACTIVE_COMMAND = 2; 83 static final int MSG_ID_EVENT_NOTIFY = 3; 84 static final int MSG_ID_CALL_SETUP = 4; 85 static final int MSG_ID_REFRESH = 5; 86 static final int MSG_ID_RESPONSE = 6; 87 static final int MSG_ID_SIM_READY = 7; 88 89 static final int MSG_ID_RIL_MSG_DECODED = 10; 90 91 // Events to signal SIM presence or absent in the device. 92 private static final int MSG_ID_ICC_RECORDS_LOADED = 20; 93 94 private static final int DEV_ID_KEYPAD = 0x01; 95 private static final int DEV_ID_DISPLAY = 0x02; 96 private static final int DEV_ID_EARPIECE = 0x03; 97 private static final int DEV_ID_UICC = 0x81; 98 private static final int DEV_ID_TERMINAL = 0x82; 99 private static final int DEV_ID_NETWORK = 0x83; 100 101 static final String STK_DEFAULT = "Defualt Message"; 102 103 /* Intentionally private for singleton */ 104 private CatService(CommandsInterface ci, IccRecords ir, Context context, 105 IccFileHandler fh, IccCard ic) { 106 if (ci == null || ir == null || context == null || fh == null 107 || ic == null) { 108 throw new NullPointerException( 109 "Service: Input parameters must not be null"); 110 } 111 mCmdIf = ci; 112 mContext = context; 113 114 // Get the RilMessagesDecoder for decoding the messages. 115 mMsgDecoder = RilMessageDecoder.getInstance(this, fh); 116 117 // Register ril events handling. 118 mCmdIf.setOnCatSessionEnd(this, MSG_ID_SESSION_END, null); 119 mCmdIf.setOnCatProactiveCmd(this, MSG_ID_PROACTIVE_COMMAND, null); 120 mCmdIf.setOnCatEvent(this, MSG_ID_EVENT_NOTIFY, null); 121 mCmdIf.setOnCatCallSetUp(this, MSG_ID_CALL_SETUP, null); 122 //mCmdIf.setOnSimRefresh(this, MSG_ID_REFRESH, null); 123 124 mIccRecords = ir; 125 126 // Register for SIM ready event. 127 ic.registerForReady(this, MSG_ID_SIM_READY, null); 128 mIccRecords.registerForRecordsLoaded(this, MSG_ID_ICC_RECORDS_LOADED, null); 129 130 // Check if STK application is availalbe 131 mStkAppInstalled = isStkAppInstalled(); 132 133 CatLog.d(this, "Running CAT service. STK app installed:" + mStkAppInstalled); 134 } 135 136 public void dispose() { 137 mIccRecords.unregisterForRecordsLoaded(this); 138 mCmdIf.unSetOnCatSessionEnd(this); 139 mCmdIf.unSetOnCatProactiveCmd(this); 140 mCmdIf.unSetOnCatEvent(this); 141 mCmdIf.unSetOnCatCallSetUp(this); 142 143 this.removeCallbacksAndMessages(null); 144 } 145 146 protected void finalize() { 147 CatLog.d(this, "Service finalized"); 148 } 149 150 private void handleRilMsg(RilMessage rilMsg) { 151 if (rilMsg == null) { 152 return; 153 } 154 155 // dispatch messages 156 CommandParams cmdParams = null; 157 switch (rilMsg.mId) { 158 case MSG_ID_EVENT_NOTIFY: 159 if (rilMsg.mResCode == ResultCode.OK) { 160 cmdParams = (CommandParams) rilMsg.mData; 161 if (cmdParams != null) { 162 handleCommand(cmdParams, false); 163 } 164 } 165 break; 166 case MSG_ID_PROACTIVE_COMMAND: 167 try { 168 cmdParams = (CommandParams) rilMsg.mData; 169 } catch (ClassCastException e) { 170 // for error handling : cast exception 171 CatLog.d(this, "Fail to parse proactive command"); 172 // Don't send Terminal Resp if command detail is not available 173 if (mCurrntCmd != null) { 174 sendTerminalResponse(mCurrntCmd.mCmdDet, ResultCode.CMD_DATA_NOT_UNDERSTOOD, 175 false, 0x00, null); 176 } 177 break; 178 } 179 if (cmdParams != null) { 180 if (rilMsg.mResCode == ResultCode.OK) { 181 handleCommand(cmdParams, true); 182 } else { 183 // for proactive commands that couldn't be decoded 184 // successfully respond with the code generated by the 185 // message decoder. 186 sendTerminalResponse(cmdParams.cmdDet, rilMsg.mResCode, 187 false, 0, null); 188 } 189 } 190 break; 191 case MSG_ID_REFRESH: 192 cmdParams = (CommandParams) rilMsg.mData; 193 if (cmdParams != null) { 194 handleCommand(cmdParams, false); 195 } 196 break; 197 case MSG_ID_SESSION_END: 198 handleSessionEnd(); 199 break; 200 case MSG_ID_CALL_SETUP: 201 // prior event notify command supplied all the information 202 // needed for set up call processing. 203 break; 204 } 205 } 206 207 /** 208 * Handles RIL_UNSOL_STK_EVENT_NOTIFY or RIL_UNSOL_STK_PROACTIVE_COMMAND command 209 * from RIL. 210 * Sends valid proactive command data to the application using intents. 211 * RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE will be send back if the command is 212 * from RIL_UNSOL_STK_PROACTIVE_COMMAND. 213 */ 214 private void handleCommand(CommandParams cmdParams, boolean isProactiveCmd) { 215 CatLog.d(this, cmdParams.getCommandType().name()); 216 217 CharSequence message; 218 CatCmdMessage cmdMsg = new CatCmdMessage(cmdParams); 219 switch (cmdParams.getCommandType()) { 220 case SET_UP_MENU: 221 if (removeMenu(cmdMsg.getMenu())) { 222 mMenuCmd = null; 223 } else { 224 mMenuCmd = cmdMsg; 225 } 226 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null); 227 break; 228 case DISPLAY_TEXT: 229 // when application is not required to respond, send an immediate response. 230 if (!cmdMsg.geTextMessage().responseNeeded) { 231 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null); 232 } 233 break; 234 case REFRESH: 235 // ME side only handles refresh commands which meant to remove IDLE 236 // MODE TEXT. 237 cmdParams.cmdDet.typeOfCommand = CommandType.SET_UP_IDLE_MODE_TEXT.value(); 238 break; 239 case SET_UP_IDLE_MODE_TEXT: 240 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null); 241 break; 242 case PROVIDE_LOCAL_INFORMATION: 243 ResponseData resp; 244 switch (cmdParams.cmdDet.commandQualifier) { 245 case CommandParamsFactory.DTTZ_SETTING: 246 resp = new DTTZResponseData(null); 247 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, resp); 248 break; 249 case CommandParamsFactory.LANGUAGE_SETTING: 250 resp = new LanguageResponseData(Locale.getDefault().getLanguage()); 251 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, resp); 252 break; 253 default: 254 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null); 255 } 256 // No need to start STK app here. 257 return; 258 case LAUNCH_BROWSER: 259 if ((((LaunchBrowserParams) cmdParams).confirmMsg.text != null) 260 && (((LaunchBrowserParams) cmdParams).confirmMsg.text.equals(STK_DEFAULT))) { 261 message = mContext.getText(com.android.internal.R.string.launchBrowserDefault); 262 ((LaunchBrowserParams) cmdParams).confirmMsg.text = message.toString(); 263 } 264 break; 265 case SELECT_ITEM: 266 case GET_INPUT: 267 case GET_INKEY: 268 break; 269 case SEND_DTMF: 270 case SEND_SMS: 271 case SEND_SS: 272 case SEND_USSD: 273 if ((((DisplayTextParams)cmdParams).textMsg.text != null) 274 && (((DisplayTextParams)cmdParams).textMsg.text.equals(STK_DEFAULT))) { 275 message = mContext.getText(com.android.internal.R.string.sending); 276 ((DisplayTextParams)cmdParams).textMsg.text = message.toString(); 277 } 278 break; 279 case PLAY_TONE: 280 break; 281 case SET_UP_CALL: 282 if ((((CallSetupParams) cmdParams).confirmMsg.text != null) 283 && (((CallSetupParams) cmdParams).confirmMsg.text.equals(STK_DEFAULT))) { 284 message = mContext.getText(com.android.internal.R.string.SetupCallDefault); 285 ((CallSetupParams) cmdParams).confirmMsg.text = message.toString(); 286 } 287 break; 288 case OPEN_CHANNEL: 289 case CLOSE_CHANNEL: 290 case RECEIVE_DATA: 291 case SEND_DATA: 292 BIPClientParams cmd = (BIPClientParams) cmdParams; 293 if (cmd.bHasAlphaId && (cmd.textMsg.text == null)) { 294 CatLog.d(this, "cmd " + cmdParams.getCommandType() + " with null alpha id"); 295 // If alpha length is zero, we just respond with OK. 296 if (isProactiveCmd) { 297 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null); 298 } 299 return; 300 } 301 // Respond with permanent failure to avoid retry if STK app is not present. 302 if (!mStkAppInstalled) { 303 CatLog.d(this, "No STK application found."); 304 if (isProactiveCmd) { 305 sendTerminalResponse(cmdParams.cmdDet, 306 ResultCode.BEYOND_TERMINAL_CAPABILITY, 307 false, 0, null); 308 return; 309 } 310 } 311 /* 312 * CLOSE_CHANNEL, RECEIVE_DATA and SEND_DATA can be delivered by 313 * either PROACTIVE_COMMAND or EVENT_NOTIFY. 314 * If PROACTIVE_COMMAND is used for those commands, send terminal 315 * response here. 316 */ 317 if (isProactiveCmd && 318 ((cmdParams.getCommandType() == CommandType.CLOSE_CHANNEL) || 319 (cmdParams.getCommandType() == CommandType.RECEIVE_DATA) || 320 (cmdParams.getCommandType() == CommandType.SEND_DATA))) { 321 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null); 322 } 323 break; 324 default: 325 CatLog.d(this, "Unsupported command"); 326 return; 327 } 328 mCurrntCmd = cmdMsg; 329 Intent intent = new Intent(AppInterface.CAT_CMD_ACTION); 330 intent.putExtra("STK CMD", cmdMsg); 331 mContext.sendBroadcast(intent); 332 } 333 334 /** 335 * Handles RIL_UNSOL_STK_SESSION_END unsolicited command from RIL. 336 * 337 */ 338 private void handleSessionEnd() { 339 CatLog.d(this, "SESSION END"); 340 341 mCurrntCmd = mMenuCmd; 342 Intent intent = new Intent(AppInterface.CAT_SESSION_END_ACTION); 343 mContext.sendBroadcast(intent); 344 } 345 346 private void sendTerminalResponse(CommandDetails cmdDet, 347 ResultCode resultCode, boolean includeAdditionalInfo, 348 int additionalInfo, ResponseData resp) { 349 350 if (cmdDet == null) { 351 return; 352 } 353 ByteArrayOutputStream buf = new ByteArrayOutputStream(); 354 355 Input cmdInput = null; 356 if (mCurrntCmd != null) { 357 cmdInput = mCurrntCmd.geInput(); 358 } 359 360 // command details 361 int tag = ComprehensionTlvTag.COMMAND_DETAILS.value(); 362 if (cmdDet.compRequired) { 363 tag |= 0x80; 364 } 365 buf.write(tag); 366 buf.write(0x03); // length 367 buf.write(cmdDet.commandNumber); 368 buf.write(cmdDet.typeOfCommand); 369 buf.write(cmdDet.commandQualifier); 370 371 // device identities 372 // According to TS102.223/TS31.111 section 6.8 Structure of 373 // TERMINAL RESPONSE, "For all SIMPLE-TLV objects with Min=N, 374 // the ME should set the CR(comprehension required) flag to 375 // comprehension not required.(CR=0)" 376 // Since DEVICE_IDENTITIES and DURATION TLVs have Min=N, 377 // the CR flag is not set. 378 tag = ComprehensionTlvTag.DEVICE_IDENTITIES.value(); 379 buf.write(tag); 380 buf.write(0x02); // length 381 buf.write(DEV_ID_TERMINAL); // source device id 382 buf.write(DEV_ID_UICC); // destination device id 383 384 // result 385 tag = 0x80 | ComprehensionTlvTag.RESULT.value(); 386 buf.write(tag); 387 int length = includeAdditionalInfo ? 2 : 1; 388 buf.write(length); 389 buf.write(resultCode.value()); 390 391 // additional info 392 if (includeAdditionalInfo) { 393 buf.write(additionalInfo); 394 } 395 396 // Fill optional data for each corresponding command 397 if (resp != null) { 398 resp.format(buf); 399 } else { 400 encodeOptionalTags(cmdDet, resultCode, cmdInput, buf); 401 } 402 403 byte[] rawData = buf.toByteArray(); 404 String hexString = IccUtils.bytesToHexString(rawData); 405 if (false) { 406 CatLog.d(this, "TERMINAL RESPONSE: " + hexString); 407 } 408 409 mCmdIf.sendTerminalResponse(hexString, null); 410 } 411 412 private void encodeOptionalTags(CommandDetails cmdDet, 413 ResultCode resultCode, Input cmdInput, ByteArrayOutputStream buf) { 414 CommandType cmdType = AppInterface.CommandType.fromInt(cmdDet.typeOfCommand); 415 if (cmdType != null) { 416 switch (cmdType) { 417 case GET_INKEY: 418 // ETSI TS 102 384,27.22.4.2.8.4.2. 419 // If it is a response for GET_INKEY command and the response timeout 420 // occured, then add DURATION TLV for variable timeout case. 421 if ((resultCode.value() == ResultCode.NO_RESPONSE_FROM_USER.value()) && 422 (cmdInput != null) && (cmdInput.duration != null)) { 423 getInKeyResponse(buf, cmdInput); 424 } 425 break; 426 case PROVIDE_LOCAL_INFORMATION: 427 if ((cmdDet.commandQualifier == CommandParamsFactory.LANGUAGE_SETTING) && 428 (resultCode.value() == ResultCode.OK.value())) { 429 getPliResponse(buf); 430 } 431 break; 432 default: 433 CatLog.d(this, "encodeOptionalTags() Unsupported Cmd details=" + cmdDet); 434 break; 435 } 436 } else { 437 CatLog.d(this, "encodeOptionalTags() bad Cmd details=" + cmdDet); 438 } 439 } 440 441 private void getInKeyResponse(ByteArrayOutputStream buf, Input cmdInput) { 442 int tag = ComprehensionTlvTag.DURATION.value(); 443 444 buf.write(tag); 445 buf.write(0x02); // length 446 buf.write(cmdInput.duration.timeUnit.SECOND.value()); // Time (Unit,Seconds) 447 buf.write(cmdInput.duration.timeInterval); // Time Duration 448 } 449 450 private void getPliResponse(ByteArrayOutputStream buf) { 451 452 // Locale Language Setting 453 String lang = SystemProperties.get("persist.sys.language"); 454 455 if (lang != null) { 456 // tag 457 int tag = ComprehensionTlvTag.LANGUAGE.value(); 458 buf.write(tag); 459 ResponseData.writeLength(buf, lang.length()); 460 buf.write(lang.getBytes(), 0, lang.length()); 461 } 462 } 463 464 private void sendMenuSelection(int menuId, boolean helpRequired) { 465 466 ByteArrayOutputStream buf = new ByteArrayOutputStream(); 467 468 // tag 469 int tag = BerTlv.BER_MENU_SELECTION_TAG; 470 buf.write(tag); 471 472 // length 473 buf.write(0x00); // place holder 474 475 // device identities 476 tag = 0x80 | ComprehensionTlvTag.DEVICE_IDENTITIES.value(); 477 buf.write(tag); 478 buf.write(0x02); // length 479 buf.write(DEV_ID_KEYPAD); // source device id 480 buf.write(DEV_ID_UICC); // destination device id 481 482 // item identifier 483 tag = 0x80 | ComprehensionTlvTag.ITEM_ID.value(); 484 buf.write(tag); 485 buf.write(0x01); // length 486 buf.write(menuId); // menu identifier chosen 487 488 // help request 489 if (helpRequired) { 490 tag = ComprehensionTlvTag.HELP_REQUEST.value(); 491 buf.write(tag); 492 buf.write(0x00); // length 493 } 494 495 byte[] rawData = buf.toByteArray(); 496 497 // write real length 498 int len = rawData.length - 2; // minus (tag + length) 499 rawData[1] = (byte) len; 500 501 String hexString = IccUtils.bytesToHexString(rawData); 502 503 mCmdIf.sendEnvelope(hexString, null); 504 } 505 506 private void eventDownload(int event, int sourceId, int destinationId, 507 byte[] additionalInfo, boolean oneShot) { 508 509 ByteArrayOutputStream buf = new ByteArrayOutputStream(); 510 511 // tag 512 int tag = BerTlv.BER_EVENT_DOWNLOAD_TAG; 513 buf.write(tag); 514 515 // length 516 buf.write(0x00); // place holder, assume length < 128. 517 518 // event list 519 tag = 0x80 | ComprehensionTlvTag.EVENT_LIST.value(); 520 buf.write(tag); 521 buf.write(0x01); // length 522 buf.write(event); // event value 523 524 // device identities 525 tag = 0x80 | ComprehensionTlvTag.DEVICE_IDENTITIES.value(); 526 buf.write(tag); 527 buf.write(0x02); // length 528 buf.write(sourceId); // source device id 529 buf.write(destinationId); // destination device id 530 531 // additional information 532 if (additionalInfo != null) { 533 for (byte b : additionalInfo) { 534 buf.write(b); 535 } 536 } 537 538 byte[] rawData = buf.toByteArray(); 539 540 // write real length 541 int len = rawData.length - 2; // minus (tag + length) 542 rawData[1] = (byte) len; 543 544 String hexString = IccUtils.bytesToHexString(rawData); 545 546 mCmdIf.sendEnvelope(hexString, null); 547 } 548 549 /** 550 * Used for instantiating/updating the Service from the GsmPhone or CdmaPhone constructor. 551 * 552 * @param ci CommandsInterface object 553 * @param ir IccRecords object 554 * @param context phone app context 555 * @param fh Icc file handler 556 * @param ic Icc card 557 * @return The only Service object in the system 558 */ 559 public static CatService getInstance(CommandsInterface ci, IccRecords ir, 560 Context context, IccFileHandler fh, IccCard ic) { 561 synchronized (sInstanceLock) { 562 if (sInstance == null) { 563 if (ci == null || ir == null || context == null || fh == null 564 || ic == null) { 565 return null; 566 } 567 HandlerThread thread = new HandlerThread("Cat Telephony service"); 568 thread.start(); 569 sInstance = new CatService(ci, ir, context, fh, ic); 570 CatLog.d(sInstance, "NEW sInstance"); 571 } else if ((ir != null) && (mIccRecords != ir)) { 572 CatLog.d(sInstance, "Reinitialize the Service with SIMRecords"); 573 mIccRecords = ir; 574 575 // re-Register for SIM ready event. 576 mIccRecords.registerForRecordsLoaded(sInstance, MSG_ID_ICC_RECORDS_LOADED, null); 577 CatLog.d(sInstance, "sr changed reinitialize and return current sInstance"); 578 } else { 579 CatLog.d(sInstance, "Return current sInstance"); 580 } 581 return sInstance; 582 } 583 } 584 585 /** 586 * Used by application to get an AppInterface object. 587 * 588 * @return The only Service object in the system 589 */ 590 public static AppInterface getInstance() { 591 return getInstance(null, null, null, null, null); 592 } 593 594 @Override 595 public void handleMessage(Message msg) { 596 597 switch (msg.what) { 598 case MSG_ID_SESSION_END: 599 case MSG_ID_PROACTIVE_COMMAND: 600 case MSG_ID_EVENT_NOTIFY: 601 case MSG_ID_REFRESH: 602 CatLog.d(this, "ril message arrived"); 603 String data = null; 604 if (msg.obj != null) { 605 AsyncResult ar = (AsyncResult) msg.obj; 606 if (ar != null && ar.result != null) { 607 try { 608 data = (String) ar.result; 609 } catch (ClassCastException e) { 610 break; 611 } 612 } 613 } 614 mMsgDecoder.sendStartDecodingMessageParams(new RilMessage(msg.what, data)); 615 break; 616 case MSG_ID_CALL_SETUP: 617 mMsgDecoder.sendStartDecodingMessageParams(new RilMessage(msg.what, null)); 618 break; 619 case MSG_ID_ICC_RECORDS_LOADED: 620 break; 621 case MSG_ID_RIL_MSG_DECODED: 622 handleRilMsg((RilMessage) msg.obj); 623 break; 624 case MSG_ID_RESPONSE: 625 handleCmdResponse((CatResponseMessage) msg.obj); 626 break; 627 case MSG_ID_SIM_READY: 628 CatLog.d(this, "SIM ready. Reporting STK service running now..."); 629 mCmdIf.reportStkServiceIsRunning(null); 630 break; 631 default: 632 throw new AssertionError("Unrecognized CAT command: " + msg.what); 633 } 634 } 635 636 public synchronized void onCmdResponse(CatResponseMessage resMsg) { 637 if (resMsg == null) { 638 return; 639 } 640 // queue a response message. 641 Message msg = this.obtainMessage(MSG_ID_RESPONSE, resMsg); 642 msg.sendToTarget(); 643 } 644 645 private boolean validateResponse(CatResponseMessage resMsg) { 646 if (mCurrntCmd != null) { 647 return (resMsg.cmdDet.compareTo(mCurrntCmd.mCmdDet)); 648 } 649 return false; 650 } 651 652 private boolean removeMenu(Menu menu) { 653 try { 654 if (menu.items.size() == 1 && menu.items.get(0) == null) { 655 return true; 656 } 657 } catch (NullPointerException e) { 658 CatLog.d(this, "Unable to get Menu's items size"); 659 return true; 660 } 661 return false; 662 } 663 664 private void handleCmdResponse(CatResponseMessage resMsg) { 665 // Make sure the response details match the last valid command. An invalid 666 // response is a one that doesn't have a corresponding proactive command 667 // and sending it can "confuse" the baseband/ril. 668 // One reason for out of order responses can be UI glitches. For example, 669 // if the application launch an activity, and that activity is stored 670 // by the framework inside the history stack. That activity will be 671 // available for relaunch using the latest application dialog 672 // (long press on the home button). Relaunching that activity can send 673 // the same command's result again to the CatService and can cause it to 674 // get out of sync with the SIM. 675 if (!validateResponse(resMsg)) { 676 return; 677 } 678 ResponseData resp = null; 679 boolean helpRequired = false; 680 CommandDetails cmdDet = resMsg.getCmdDetails(); 681 682 switch (resMsg.resCode) { 683 case HELP_INFO_REQUIRED: 684 helpRequired = true; 685 // fall through 686 case OK: 687 case PRFRMD_WITH_PARTIAL_COMPREHENSION: 688 case PRFRMD_WITH_MISSING_INFO: 689 case PRFRMD_WITH_ADDITIONAL_EFS_READ: 690 case PRFRMD_ICON_NOT_DISPLAYED: 691 case PRFRMD_MODIFIED_BY_NAA: 692 case PRFRMD_LIMITED_SERVICE: 693 case PRFRMD_WITH_MODIFICATION: 694 case PRFRMD_NAA_NOT_ACTIVE: 695 case PRFRMD_TONE_NOT_PLAYED: 696 switch (AppInterface.CommandType.fromInt(cmdDet.typeOfCommand)) { 697 case SET_UP_MENU: 698 helpRequired = resMsg.resCode == ResultCode.HELP_INFO_REQUIRED; 699 sendMenuSelection(resMsg.usersMenuSelection, helpRequired); 700 return; 701 case SELECT_ITEM: 702 resp = new SelectItemResponseData(resMsg.usersMenuSelection); 703 break; 704 case GET_INPUT: 705 case GET_INKEY: 706 Input input = mCurrntCmd.geInput(); 707 if (!input.yesNo) { 708 // when help is requested there is no need to send the text 709 // string object. 710 if (!helpRequired) { 711 resp = new GetInkeyInputResponseData(resMsg.usersInput, 712 input.ucs2, input.packed); 713 } 714 } else { 715 resp = new GetInkeyInputResponseData( 716 resMsg.usersYesNoSelection); 717 } 718 break; 719 case DISPLAY_TEXT: 720 case LAUNCH_BROWSER: 721 break; 722 case SET_UP_CALL: 723 mCmdIf.handleCallSetupRequestFromSim(resMsg.usersConfirm, null); 724 // No need to send terminal response for SET UP CALL. The user's 725 // confirmation result is send back using a dedicated ril message 726 // invoked by the CommandInterface call above. 727 mCurrntCmd = null; 728 return; 729 } 730 break; 731 case NO_RESPONSE_FROM_USER: 732 case UICC_SESSION_TERM_BY_USER: 733 case BACKWARD_MOVE_BY_USER: 734 case USER_NOT_ACCEPT: 735 resp = null; 736 break; 737 default: 738 return; 739 } 740 sendTerminalResponse(cmdDet, resMsg.resCode, false, 0, resp); 741 mCurrntCmd = null; 742 } 743 744 private boolean isStkAppInstalled() { 745 Intent intent = new Intent(AppInterface.CAT_CMD_ACTION); 746 PackageManager pm = mContext.getPackageManager(); 747 List<ResolveInfo> broadcastReceivers = 748 pm.queryBroadcastReceivers(intent, PackageManager.GET_META_DATA); 749 int numReceiver = broadcastReceivers == null ? 0 : broadcastReceivers.size(); 750 751 return (numReceiver > 0); 752 } 753 } 754
