PhoneUtils.java revision 79b9f6e30e8402b103f1ec3ed9dda1fcad2b1cd5
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 17package com.android.phone; 18 19import android.app.ActivityManagerNative; 20import android.app.AlertDialog; 21import android.app.Dialog; 22import android.app.KeyguardManager; 23import android.app.ProgressDialog; 24import android.content.ComponentName; 25import android.content.ContentResolver; 26import android.content.Context; 27import android.content.DialogInterface; 28import android.content.Intent; 29import android.content.ServiceConnection; 30import android.content.pm.ApplicationInfo; 31import android.content.pm.PackageManager; 32import android.graphics.drawable.Drawable; 33import android.media.AudioManager; 34import android.net.Uri; 35import android.os.AsyncResult; 36import android.os.Handler; 37import android.os.IBinder; 38import android.os.Message; 39import android.os.RemoteException; 40import android.provider.Contacts; 41import android.telephony.PhoneNumberUtils; 42import android.text.TextUtils; 43import android.util.Log; 44import android.view.KeyEvent; 45import android.view.LayoutInflater; 46import android.view.View; 47import android.view.WindowManager; 48import android.widget.EditText; 49import android.widget.Toast; 50 51import com.android.internal.telephony.Call; 52import com.android.internal.telephony.CallStateException; 53import com.android.internal.telephony.CallerInfo; 54import com.android.internal.telephony.CallerInfoAsyncQuery; 55import com.android.internal.telephony.Connection; 56import com.android.internal.telephony.IExtendedNetworkService; 57import com.android.internal.telephony.MmiCode; 58import com.android.internal.telephony.Phone; 59import com.android.internal.telephony.PhoneFactory; 60import com.android.internal.telephony.cdma.CdmaConnection; 61 62import java.util.Hashtable; 63import java.util.Iterator; 64import java.util.List; 65 66/** 67 * Misc utilities for the Phone app. 68 */ 69public class PhoneUtils { 70 private static final String LOG_TAG = "PhoneUtils"; 71 private static final boolean DBG = (PhoneApp.DBG_LEVEL >= 2); 72 73 /** Control stack trace for Audio Mode settings */ 74 private static final boolean DBG_SETAUDIOMODE_STACK = false; 75 76 /** Identifier for the "Add Call" intent extra. */ 77 static final String ADD_CALL_MODE_KEY = "add_call_mode"; 78 79 // Return codes from placeCall() 80 static final int CALL_STATUS_DIALED = 0; // The number was successfully dialed 81 static final int CALL_STATUS_DIALED_MMI = 1; // The specified number was an MMI code 82 static final int CALL_STATUS_FAILED = 2; // The call failed 83 84 // State of the Phone's audio modes 85 // Each state can move to the other states, but within the state only certain 86 // transitions for AudioManager.setMode() are allowed. 87 static final int AUDIO_IDLE = 0; /** audio behaviour at phone idle */ 88 static final int AUDIO_RINGING = 1; /** audio behaviour while ringing */ 89 static final int AUDIO_OFFHOOK = 2; /** audio behaviour while in call. */ 90 private static int sAudioBehaviourState = AUDIO_IDLE; 91 92 /** Speaker state, persisting between wired headset connection events */ 93 private static boolean sIsSpeakerEnabled = false; 94 95 /** Hash table to store mute (Boolean) values based upon the connection.*/ 96 private static Hashtable<Connection, Boolean> sConnectionMuteTable = 97 new Hashtable<Connection, Boolean>(); 98 99 /** Static handler for the connection/mute tracking */ 100 private static ConnectionHandler mConnectionHandler; 101 102 /** Phone state changed event*/ 103 private static final int PHONE_STATE_CHANGED = -1; 104 105 /** Define for not a special CNAP string */ 106 private static final int CNAP_SPECIAL_CASE_NO = -1; 107 108 // Extended network service interface instance 109 private static IExtendedNetworkService mNwService = null; 110 // used to cancel MMI command after 15 seconds timeout for NWService requirement 111 private static Message mMmiTimeoutCbMsg = null; 112 113 /** 114 * Handler that tracks the connections and updates the value of the 115 * Mute settings for each connection as needed. 116 */ 117 private static class ConnectionHandler extends Handler { 118 @Override 119 public void handleMessage(Message msg) { 120 AsyncResult ar = (AsyncResult) msg.obj; 121 switch (msg.what) { 122 case PHONE_STATE_CHANGED: 123 if (DBG) log("ConnectionHandler: updating mute state for each connection"); 124 125 Phone phone = (Phone) ar.userObj; 126 127 // update the foreground connections, if there are new connections. 128 List<Connection> fgConnections = phone.getForegroundCall().getConnections(); 129 for (Connection cn : fgConnections) { 130 if (sConnectionMuteTable.get(cn) == null) { 131 sConnectionMuteTable.put(cn, Boolean.FALSE); 132 } 133 } 134 135 // update the background connections, if there are new connections. 136 List<Connection> bgConnections = phone.getBackgroundCall().getConnections(); 137 for (Connection cn : bgConnections) { 138 if (sConnectionMuteTable.get(cn) == null) { 139 sConnectionMuteTable.put(cn, Boolean.FALSE); 140 } 141 } 142 143 // Check to see if there are any lingering connections here 144 // (disconnected connections), use old-school iterators to avoid 145 // concurrent modification exceptions. 146 Connection cn; 147 for (Iterator<Connection> cnlist = sConnectionMuteTable.keySet().iterator(); 148 cnlist.hasNext();) { 149 cn = cnlist.next(); 150 if (!fgConnections.contains(cn) && !bgConnections.contains(cn)) { 151 if (DBG) log("connection: " + cn + "not accounted for, removing."); 152 cnlist.remove(); 153 } 154 } 155 156 // Restore the mute state of the foreground call if we're not IDLE, 157 // otherwise just clear the mute state. This is really saying that 158 // as long as there is one or more connections, we should update 159 // the mute state with the earliest connection on the foreground 160 // call, and that with no connections, we should be back to a 161 // non-mute state. 162 if (phone.getState() != Phone.State.IDLE) { 163 restoreMuteState(phone); 164 } else { 165 setMuteInternal(phone, false); 166 } 167 168 break; 169 } 170 } 171 } 172 173 174 private static ServiceConnection ExtendedNetworkServiceConnection = new ServiceConnection() { 175 public void onServiceConnected(ComponentName name, IBinder iBinder) { 176 if (DBG) log("Extended NW onServiceConnected"); 177 mNwService = IExtendedNetworkService.Stub.asInterface(iBinder); 178 } 179 180 public void onServiceDisconnected(ComponentName arg0) { 181 if (DBG) log("Extended NW onServiceDisconnected"); 182 mNwService = null; 183 } 184 }; 185 186 /** 187 * Register the ConnectionHandler with the phone, to receive connection events 188 */ 189 public static void initializeConnectionHandler(Phone phone) { 190 if (mConnectionHandler == null) { 191 mConnectionHandler = new ConnectionHandler(); 192 } 193 194 phone.registerForPreciseCallStateChanged(mConnectionHandler, PHONE_STATE_CHANGED, phone); 195 // Extended NW service 196 Intent intent = new Intent("com.android.ussd.IExtendedNetworkService"); 197 phone.getContext().bindService(intent, 198 ExtendedNetworkServiceConnection, Context.BIND_AUTO_CREATE); 199 if (DBG) log("Extended NW bindService IExtendedNetworkService"); 200 201 } 202 203 /** This class is never instantiated. */ 204 private PhoneUtils() { 205 } 206 207 //static method to set the audio control state. 208 static void setAudioControlState(int newState) { 209 sAudioBehaviourState = newState; 210 } 211 212 /** 213 * Answer the currently-ringing call. 214 * 215 * @return true if we answered the call, or false if there wasn't 216 * actually a ringing incoming call, or some other error occurred. 217 * 218 * @see answerAndEndHolding() 219 * @see answerAndEndActive() 220 */ 221 static boolean answerCall(Phone phone) { 222 if (DBG) log("answerCall()..."); 223 224 // If the ringer is currently ringing and/or vibrating, stop it 225 // right now (before actually answering the call.) 226 PhoneApp.getInstance().getRinger().stopRing(); 227 228 PhoneUtils.setAudioControlState(PhoneUtils.AUDIO_OFFHOOK); 229 230 boolean answered = false; 231 Call call = phone.getRingingCall(); 232 PhoneApp app = PhoneApp.getInstance(); 233 boolean phoneIsCdma = (phone.getPhoneType() == Phone.PHONE_TYPE_CDMA); 234 BluetoothHandsfree bthf = null; 235 236 if (phoneIsCdma) { 237 // Stop any signalInfo tone being played when a Call waiting gets answered 238 if (call.getState() == Call.State.WAITING) { 239 final CallNotifier notifier = app.notifier; 240 notifier.stopSignalInfoTone(); 241 } 242 } 243 244 if (call != null && call.isRinging()) { 245 if (DBG) log("answerCall: call state = " + call.getState()); 246 try { 247 if (phoneIsCdma) { 248 if (app.cdmaPhoneCallState.getCurrentCallState() 249 == CdmaPhoneCallState.PhoneCallState.IDLE) { 250 // This is the FIRST incoming call being answered. 251 // Set the Phone Call State to SINGLE_ACTIVE 252 app.cdmaPhoneCallState.setCurrentCallState( 253 CdmaPhoneCallState.PhoneCallState.SINGLE_ACTIVE); 254 } else { 255 // This is the CALL WAITING call being answered. 256 // Set the Phone Call State to CONF_CALL 257 app.cdmaPhoneCallState.setCurrentCallState( 258 CdmaPhoneCallState.PhoneCallState.CONF_CALL); 259 260 // If a BluetoothHandsfree is valid we need to set the second call state 261 // so that the Bluetooth client can update the Call state correctly when 262 // a call waiting is answered from the Phone. 263 bthf = app.getBluetoothHandsfree(); 264 if (bthf != null) { 265 bthf.cdmaSetSecondCallState(true); 266 } 267 } 268 } 269 270 //if (DBG) log("sPhone.acceptCall"); 271 phone.acceptCall(); 272 answered = true; 273 if (phoneIsCdma) { 274 // automatically reset mute state to unmuted for CDMA 275 // TODO: Would GSM want this also? 276 setMute(phone, false); 277 } 278 setAudioMode(phone.getContext(), AudioManager.MODE_IN_CALL); 279 } catch (CallStateException ex) { 280 Log.w(LOG_TAG, "answerCall: caught " + ex, ex); 281 282 if (phoneIsCdma) { 283 // restore the cdmaPhoneCallState and bthf.cdmaSetSecondCallState: 284 app.cdmaPhoneCallState.setCurrentCallState( 285 app.cdmaPhoneCallState.getPreviousCallState()); 286 if (bthf != null) { 287 bthf.cdmaSetSecondCallState(false); 288 } 289 } 290 } 291 } 292 return answered; 293 } 294 295 /** 296 * Smart "hang up" helper method which hangs up exactly one connection, 297 * based on the current Phone state, as follows: 298 * <ul> 299 * <li>If there's a ringing call, hang that up. 300 * <li>Else if there's a foreground call, hang that up. 301 * <li>Else if there's a background call, hang that up. 302 * <li>Otherwise do nothing. 303 * </ul> 304 * @return true if we successfully hung up, or false 305 * if there were no active calls at all. 306 */ 307 static boolean hangup(Phone phone) { 308 boolean hungup = false; 309 Call ringing = phone.getRingingCall(); 310 Call fg = phone.getForegroundCall(); 311 Call bg = phone.getBackgroundCall(); 312 313 if (!ringing.isIdle()) { 314 if (DBG) log("HANGUP ringing call"); 315 hungup = hangupRingingCall(phone); 316 } else if (!fg.isIdle()) { 317 if (DBG) log("HANGUP foreground call"); 318 hungup = hangup(fg); 319 } else if (!bg.isIdle()) { 320 if (DBG) log("HANGUP background call"); 321 hungup = hangup(bg); 322 } 323 324 if (DBG) log("hungup=" + hungup); 325 326 return hungup; 327 } 328 329 static boolean hangupRingingCall(Phone phone) { 330 if (DBG) log("hangup ringing call"); 331 Call ringing = phone.getRingingCall(); 332 int phoneType = phone.getPhoneType(); 333 334 if (phoneType == Phone.PHONE_TYPE_CDMA) { 335 // CDMA: Ringing call and Call waiting hangup is handled differently. 336 // For Call waiting we DO NOT call the conventional hangup(call) function 337 // as in CDMA we just want to hungup the Call waiting connection. 338 Call.State state = ringing.getState(); 339 if (state == Call.State.INCOMING) { 340 if (DBG) log("hangup ringing call"); 341 return hangup(ringing); 342 } else if (state == Call.State.WAITING) { 343 if (DBG) log("hangup Call waiting call"); 344 final CallNotifier notifier = PhoneApp.getInstance().notifier; 345 notifier.onCdmaCallWaitingReject(); 346 return true; 347 } else { 348 // This should never happen cause hangupRingingCall should always be called 349 // if the call.isRinging() returns TRUE, which basically means that the call 350 // should either be in INCOMING or WAITING state 351 if (DBG) log("No Ringing call to hangup"); 352 return false; 353 } 354 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 355 // GSM: Ringing Call and Call waiting, both are hungup by calling 356 // hangup(call) function. 357 if (DBG) log("hangup ringing call"); 358 return hangup(ringing); 359 } else { 360 throw new IllegalStateException("Unexpected phone type: " + phoneType); 361 } 362 } 363 364 static boolean hangupActiveCall(Phone phone) { 365 if (DBG) log("hangup active call"); 366 return hangup(phone.getForegroundCall()); 367 } 368 369 static boolean hangupHoldingCall(Phone phone) { 370 if (DBG) log("hangup holding call"); 371 return hangup(phone.getBackgroundCall()); 372 } 373 374 /** 375 * Used in CDMA phones to end the complete Call session 376 * @param phone the Phone object. 377 * @return true if *any* call was successfully hung up 378 */ 379 static boolean hangupRingingAndActive(Phone phone) { 380 boolean hungUpRingingCall = false; 381 boolean hungUpFgCall = false; 382 Call ringingCall = phone.getRingingCall(); 383 Call fgCall = phone.getForegroundCall(); 384 385 // Hang up any Ringing Call 386 if (!ringingCall.isIdle()) { 387 if (DBG) log("endCallInternal: Hang up Ringing Call"); 388 hungUpRingingCall = hangupRingingCall(phone); 389 } 390 391 // Hang up any Active Call 392 if (!fgCall.isIdle()) { 393 if (DBG) log("endCallInternal: Hang up Foreground Call"); 394 hungUpFgCall = hangupActiveCall(phone); 395 } 396 397 return hungUpRingingCall || hungUpFgCall; 398 } 399 400 /** 401 * Trivial wrapper around Call.hangup(), except that we return a 402 * boolean success code rather than throwing CallStateException on 403 * failure. 404 * 405 * @return true if the call was successfully hung up, or false 406 * if the call wasn't actually active. 407 */ 408 static boolean hangup(Call call) { 409 try { 410 call.hangup(); 411 return true; 412 } catch (CallStateException ex) { 413 Log.e(LOG_TAG, "Call hangup: caught " + ex, ex); 414 } 415 416 return false; 417 } 418 419 /** 420 * Trivial wrapper around Connection.hangup(), except that we silently 421 * do nothing (rather than throwing CallStateException) if the 422 * connection wasn't actually active. 423 */ 424 static void hangup(Connection c) { 425 try { 426 if (c != null) { 427 c.hangup(); 428 } 429 } catch (CallStateException ex) { 430 Log.w(LOG_TAG, "Connection hangup: caught " + ex, ex); 431 } 432 } 433 434 static boolean answerAndEndHolding(Phone phone) { 435 if (DBG) log("end holding & answer waiting: 1"); 436 if (!hangupHoldingCall(phone)) { 437 Log.e(LOG_TAG, "end holding failed!"); 438 return false; 439 } 440 441 if (DBG) log("end holding & answer waiting: 2"); 442 return answerCall(phone); 443 444 } 445 446 static boolean answerAndEndActive(Phone phone) { 447 if (DBG) log("answerAndEndActive()..."); 448 449 // Unlike the answerCall() method, we *don't* need to stop the 450 // ringer or change audio modes here since the user is already 451 // in-call, which means that the audio mode is already set 452 // correctly, and that we wouldn't have started the ringer in the 453 // first place. 454 455 // hanging up the active call also accepts the waiting call 456 return hangupActiveCall(phone); 457 } 458 459 /** 460 * For a CDMA phone, advance the call state upon making a new 461 * outgoing call. 462 * 463 * <pre> 464 * IDLE -> SINGLE_ACTIVE 465 * or 466 * SINGLE_ACTIVE -> THRWAY_ACTIVE 467 * </pre> 468 * @param app The phone instance. 469 */ 470 static private void updateCdmaCallStateOnNewOutgoingCall(PhoneApp app) { 471 if (app.cdmaPhoneCallState.getCurrentCallState() == 472 CdmaPhoneCallState.PhoneCallState.IDLE) { 473 // This is the first outgoing call. Set the Phone Call State to ACTIVE 474 app.cdmaPhoneCallState.setCurrentCallState( 475 CdmaPhoneCallState.PhoneCallState.SINGLE_ACTIVE); 476 } else { 477 // This is the second outgoing call. Set the Phone Call State to 3WAY 478 app.cdmaPhoneCallState.setCurrentCallState( 479 CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE); 480 } 481 } 482 483 /** 484 * Dial the number using the phone passed in. 485 * 486 * @param phone the Phone object. 487 * @param number to be dialed as requested by the user. 488 * @param contactRef that triggered the call. Either a 'tel:' or a 489 * 'content://contacts' uri depending on how the call was 490 * initiated (dialpad vs contact). 491 * @return either CALL_STATUS_DIALED, CALL_STATUS_DIALED_MMI, or CALL_STATUS_FAILED 492 */ 493 static int placeCall(Phone phone, String number, Uri contactRef) { 494 int status = CALL_STATUS_DIALED; 495 try { 496 if (DBG) log("placeCall: '" + number + "'..."); 497 498 Connection cn = phone.dial(number); 499 if (DBG) log("===> phone.dial() returned: " + cn); 500 501 int phoneType = phone.getPhoneType(); 502 503 // On GSM phones, null is returned for MMI codes 504 if (cn == null) { 505 if (phoneType == Phone.PHONE_TYPE_GSM) { 506 if (DBG) log("dialed MMI code: " + number); 507 status = CALL_STATUS_DIALED_MMI; 508 // Set dialed MMI command to service 509 if (mNwService != null) { 510 try { 511 mNwService.setMmiString(number); 512 if (DBG) log("Extended NW bindService setUssdString (" + number + ")"); 513 } catch (RemoteException e) { 514 mNwService = null; 515 } 516 } 517 } else { 518 status = PhoneUtils.CALL_STATUS_FAILED; 519 } 520 } else { 521 PhoneApp app = PhoneApp.getInstance(); 522 523 if (phoneType == Phone.PHONE_TYPE_CDMA) { 524 updateCdmaCallStateOnNewOutgoingCall(app); 525 } 526 527 PhoneUtils.setAudioControlState(PhoneUtils.AUDIO_OFFHOOK); 528 529 // phone.dial() succeeded: we're now in a normal phone call. 530 // attach the URI to the CallerInfo Object if it is there, 531 // otherwise just attach the Uri Reference. 532 // if the uri does not have a "content" scheme, then we treat 533 // it as if it does NOT have a unique reference. 534 String content = phone.getContext().getContentResolver().SCHEME_CONTENT; 535 if ((contactRef != null) && (contactRef.getScheme().equals(content))) { 536 Object userDataObject = cn.getUserData(); 537 if (userDataObject == null) { 538 cn.setUserData(contactRef); 539 } else { 540 // TODO: This branch is dead code, we have 541 // just created the connection 'cn' which has 542 // no user data (null) by default. 543 if (userDataObject instanceof CallerInfo) { 544 ((CallerInfo) userDataObject).contactRefUri = contactRef; 545 } else { 546 ((CallerInfoToken) userDataObject).currentInfo.contactRefUri = 547 contactRef; 548 } 549 } 550 } 551 setAudioMode(phone.getContext(), AudioManager.MODE_IN_CALL); 552 } 553 } catch (CallStateException ex) { 554 Log.w(LOG_TAG, "Exception from phone.dial()", ex); 555 status = CALL_STATUS_FAILED; 556 } 557 558 return status; 559 } 560 561 /** 562 * Dial the number using a 3rd party provider gateway. Should 563 * *NOT* be called if the number is either: 564 * . An emergency one 565 * . A GSM MMI code 566 * . A CDMA feature code 567 * None of the above is checked in this method, it's the caller's 568 * responsability to make sure the number is 'valid'. 569 * 570 * If the connection is establised, this method issues a sync call 571 * that may block to query the caller info. 572 * TODO: Change the logic to use the async query. 573 * 574 * @param phone the Phone object. 575 * @param context To perform the CallerInfo query. 576 * @param number to be dialed as requested by the user. This is 577 * NOT the phone number to connect to. It is used only to build the 578 * call card and to update the call log. See above for restrictions. 579 * @param contactRef that triggered the call. Typically a 'tel:' 580 * uri but can also be a 'content://contacts' one. 581 * @param gatewayUri Is the address used to setup the connection. 582 * @return either CALL_STATUS_DIALED or CALL_STATUS_FAILED 583 */ 584 static int placeCallVia(Context context, Phone phone, 585 String number, Uri contactRef, Uri gatewayUri) { 586 if (DBG) log("placeCallVia: '" + number + "' GW:'" + gatewayUri + "'"); 587 588 // TODO: 'tel' should be a contant defined in framework base 589 // somewhere (it is in webkit.) 590 if (null == gatewayUri || !"tel".equals(gatewayUri.getScheme())) { 591 Log.e(LOG_TAG, "Unsupported URL:" + gatewayUri); 592 return CALL_STATUS_FAILED; 593 } 594 595 // We can use getSchemeSpecificPart because we don't allow # 596 // in the gateway numbers (treated a fragment delim.) However 597 // if we allow more complex gateway numbers sequence (with 598 // passwords or whatnot) that use #, this may break. 599 // TODO: Need to support MMI codes. 600 String gatewayNumber = gatewayUri.getSchemeSpecificPart(); 601 Connection connection; 602 try { 603 connection = phone.dial(gatewayNumber); 604 } catch (CallStateException ex) { 605 Log.e(LOG_TAG, "Exception dialing gateway", ex); 606 connection = null; 607 } 608 609 if (null == connection) { 610 Log.e(LOG_TAG, "Got null connection."); 611 return CALL_STATUS_FAILED; 612 } 613 614 PhoneApp app = PhoneApp.getInstance(); 615 boolean phoneIsCdma = (phone.getPhoneType() == Phone.PHONE_TYPE_CDMA); 616 617 if (phoneIsCdma) { 618 updateCdmaCallStateOnNewOutgoingCall(app); 619 } 620 PhoneUtils.setAudioControlState(PhoneUtils.AUDIO_OFFHOOK); 621 622 // Clean up the number to be displayed. 623 if (phoneIsCdma) { 624 number = CdmaConnection.formatDialString(number); 625 } 626 number = PhoneNumberUtils.extractNetworkPortion(number); 627 number = PhoneNumberUtils.convertKeypadLettersToDigits(number); 628 number = PhoneNumberUtils.formatNumber(number); 629 630 // Get the caller info synchronously because we need the final 631 // CallerInfo object to update the dialed number with the one 632 // requested by the user (and not the provider's gateway number). 633 CallerInfo info = null; 634 635 if (ContentResolver.SCHEME_CONTENT.equals(contactRef.getScheme())) { 636 info = CallerInfo.getCallerInfo(context, contactRef); 637 } 638 639 // Fallback, lookup contact using the phone number if the 640 // contact's URI scheme was not content:// or if is was but 641 // the lookup failed. 642 if (null == info) { 643 info = CallerInfo.getCallerInfo(context, number); 644 } 645 info.phoneNumber = number; 646 connection.setUserData(info); 647 648 setAudioMode(phone.getContext(), AudioManager.MODE_IN_CALL); 649 return CALL_STATUS_DIALED; 650 } 651 652 static void switchHoldingAndActive(Phone phone) { 653 try { 654 if (DBG) log("switchHoldingAndActive"); 655 phone.switchHoldingAndActive(); 656 } catch (CallStateException ex) { 657 Log.w(LOG_TAG, "switchHoldingAndActive: caught " + ex, ex); 658 } 659 } 660 661 /** 662 * Restore the mute setting from the earliest connection of the 663 * foreground call. 664 */ 665 static Boolean restoreMuteState(Phone phone) { 666 //get the earliest connection 667 Connection c = phone.getForegroundCall().getEarliestConnection(); 668 669 // only do this if connection is not null. 670 if (c != null) { 671 672 int phoneType = phone.getPhoneType(); 673 674 // retrieve the mute value. 675 Boolean shouldMute; 676 if (phoneType == Phone.PHONE_TYPE_CDMA && 677 PhoneApp.getInstance().cdmaPhoneCallState.getCurrentCallState() == 678 CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE) { 679 shouldMute = sConnectionMuteTable.get( 680 phone.getForegroundCall().getLatestConnection()); 681 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 682 shouldMute = sConnectionMuteTable.get( 683 phone.getForegroundCall().getEarliestConnection()); 684 } else { 685 throw new IllegalStateException("Unexpected phone type: " + phoneType); 686 } 687 if (shouldMute == null) { 688 if (DBG) log("problem retrieving mute value for this connection."); 689 shouldMute = Boolean.FALSE; 690 } 691 692 // set the mute value and return the result. 693 setMute (phone, shouldMute.booleanValue()); 694 return shouldMute; 695 } 696 return Boolean.valueOf(getMute (phone)); 697 } 698 699 static void mergeCalls(Phone phone) { 700 int phoneType = phone.getPhoneType(); 701 if (phoneType == Phone.PHONE_TYPE_GSM) { 702 try { 703 if (DBG) log("mergeCalls"); 704 phone.conference(); 705 } catch (CallStateException ex) { 706 Log.w(LOG_TAG, "mergeCalls: caught " + ex, ex); 707 } 708 } else if (phoneType == Phone.PHONE_TYPE_CDMA) { 709 if (DBG) log("mergeCalls"); 710 PhoneApp app = PhoneApp.getInstance(); 711 if (app.cdmaPhoneCallState.getCurrentCallState() 712 == CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE) { 713 // Send flash cmd 714 // TODO(Moto): Need to change the call from switchHoldingAndActive to 715 // something meaningful as we are not actually trying to swap calls but 716 // instead are merging two calls by sending a Flash command. 717 switchHoldingAndActive(phone); 718 719 // Set the Phone Call State to conference 720 app.cdmaPhoneCallState.setCurrentCallState( 721 CdmaPhoneCallState.PhoneCallState.CONF_CALL); 722 } 723 } else { 724 throw new IllegalStateException("Unexpected phone type: " + phoneType); 725 } 726 } 727 728 static void separateCall(Connection c) { 729 try { 730 if (DBG) log("separateCall: " + c.getAddress()); 731 c.separate(); 732 } catch (CallStateException ex) { 733 Log.w(LOG_TAG, "separateCall: caught " + ex, ex); 734 } 735 } 736 737 /** 738 * Handle the MMIInitiate message and put up an alert that lets 739 * the user cancel the operation, if applicable. 740 * 741 * @param context context to get strings. 742 * @param mmiCode the MmiCode object being started. 743 * @param buttonCallbackMessage message to post when button is clicked. 744 * @param previousAlert a previous alert used in this activity. 745 * @return the dialog handle 746 */ 747 static Dialog displayMMIInitiate(Context context, 748 MmiCode mmiCode, 749 Message buttonCallbackMessage, 750 Dialog previousAlert) { 751 if (DBG) log("displayMMIInitiate: " + mmiCode); 752 if (previousAlert != null) { 753 previousAlert.dismiss(); 754 } 755 756 // The UI paradigm we are using now requests that all dialogs have 757 // user interaction, and that any other messages to the user should 758 // be by way of Toasts. 759 // 760 // In adhering to this request, all MMI initiating "OK" dialogs 761 // (non-cancelable MMIs) that end up being closed when the MMI 762 // completes (thereby showing a completion dialog) are being 763 // replaced with Toasts. 764 // 765 // As a side effect, moving to Toasts for the non-cancelable MMIs 766 // also means that buttonCallbackMessage (which was tied into "OK") 767 // is no longer invokable for these dialogs. This is not a problem 768 // since the only callback messages we supported were for cancelable 769 // MMIs anyway. 770 // 771 // A cancelable MMI is really just a USSD request. The term 772 // "cancelable" here means that we can cancel the request when the 773 // system prompts us for a response, NOT while the network is 774 // processing the MMI request. Any request to cancel a USSD while 775 // the network is NOT ready for a response may be ignored. 776 // 777 // With this in mind, we replace the cancelable alert dialog with 778 // a progress dialog, displayed until we receive a request from 779 // the the network. For more information, please see the comments 780 // in the displayMMIComplete() method below. 781 // 782 // Anything that is NOT a USSD request is a normal MMI request, 783 // which will bring up a toast (desribed above). 784 // Optional code for Extended USSD running prompt 785 if (mNwService != null) { 786 if (DBG) log("running USSD code, displaying indeterminate progress."); 787 // create the indeterminate progress dialog and display it. 788 ProgressDialog pd = new ProgressDialog(context); 789 CharSequence textmsg = ""; 790 try { 791 textmsg = mNwService.getMmiRunningText(); 792 793 } catch (RemoteException e) { 794 mNwService = null; 795 textmsg = context.getText(R.string.ussdRunning); 796 } 797 if (DBG) log("Extended NW displayMMIInitiate (" + textmsg+ ")"); 798 pd.setMessage(textmsg); 799 pd.setCancelable(false); 800 pd.setIndeterminate(true); 801 pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); 802 pd.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); 803 pd.show(); 804 // trigger a 15 seconds timeout to clear this progress dialog 805 mMmiTimeoutCbMsg = buttonCallbackMessage; 806 try { 807 mMmiTimeoutCbMsg.getTarget().sendMessageDelayed(buttonCallbackMessage, 15000); 808 } catch(NullPointerException e) { 809 mMmiTimeoutCbMsg = null; 810 } 811 return pd; 812 } 813 814 boolean isCancelable = (mmiCode != null) && mmiCode.isCancelable(); 815 816 if (!isCancelable) { 817 if (DBG) log("not a USSD code, displaying status toast."); 818 CharSequence text = context.getText(R.string.mmiStarted); 819 Toast.makeText(context, text, Toast.LENGTH_SHORT) 820 .show(); 821 return null; 822 } else { 823 if (DBG) log("running USSD code, displaying indeterminate progress."); 824 825 // create the indeterminate progress dialog and display it. 826 ProgressDialog pd = new ProgressDialog(context); 827 pd.setMessage(context.getText(R.string.ussdRunning)); 828 pd.setCancelable(false); 829 pd.setIndeterminate(true); 830 pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); 831 832 pd.show(); 833 834 return pd; 835 } 836 837 } 838 839 /** 840 * Handle the MMIComplete message and fire off an intent to display 841 * the message. 842 * 843 * @param context context to get strings. 844 * @param mmiCode MMI result. 845 * @param previousAlert a previous alert used in this activity. 846 */ 847 static void displayMMIComplete(final Phone phone, Context context, final MmiCode mmiCode, 848 Message dismissCallbackMessage, 849 AlertDialog previousAlert) { 850 CharSequence text; 851 int title = 0; // title for the progress dialog, if needed. 852 MmiCode.State state = mmiCode.getState(); 853 854 if (DBG) log("displayMMIComplete: state=" + state); 855 // Clear timeout trigger message 856 if(mMmiTimeoutCbMsg != null) { 857 try{ 858 mMmiTimeoutCbMsg.getTarget().removeMessages(mMmiTimeoutCbMsg.what); 859 if (DBG) log("Extended NW displayMMIComplete removeMsg"); 860 } catch (NullPointerException e) { 861 } 862 mMmiTimeoutCbMsg = null; 863 } 864 865 866 switch (state) { 867 case PENDING: 868 // USSD code asking for feedback from user. 869 text = mmiCode.getMessage(); 870 if (DBG) log("- using text from PENDING MMI message: '" + text + "'"); 871 break; 872 case CANCELLED: 873 text = context.getText(R.string.mmiCancelled); 874 break; 875 case COMPLETE: 876 if (PhoneApp.getInstance().getPUKEntryActivity() != null) { 877 // if an attempt to unPUK the device was made, we specify 878 // the title and the message here. 879 title = com.android.internal.R.string.PinMmi; 880 text = context.getText(R.string.puk_unlocked); 881 break; 882 } 883 // All other conditions for the COMPLETE mmi state will cause 884 // the case to fall through to message logic in common with 885 // the FAILED case. 886 887 case FAILED: 888 text = mmiCode.getMessage(); 889 if (DBG) log("- using text from MMI message: '" + text + "'"); 890 break; 891 default: 892 throw new IllegalStateException("Unexpected MmiCode state: " + state); 893 } 894 895 if (previousAlert != null) { 896 previousAlert.dismiss(); 897 } 898 899 // Check to see if a UI exists for the PUK activation. If it does 900 // exist, then it indicates that we're trying to unblock the PUK. 901 PhoneApp app = PhoneApp.getInstance(); 902 if ((app.getPUKEntryActivity() != null) && (state == MmiCode.State.COMPLETE)) { 903 if (DBG) log("displaying PUK unblocking progress dialog."); 904 905 // create the progress dialog, make sure the flags and type are 906 // set correctly. 907 ProgressDialog pd = new ProgressDialog(app); 908 pd.setTitle(title); 909 pd.setMessage(text); 910 pd.setCancelable(false); 911 pd.setIndeterminate(true); 912 pd.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); 913 pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); 914 915 // display the dialog 916 pd.show(); 917 918 // indicate to the Phone app that the progress dialog has 919 // been assigned for the PUK unlock / SIM READY process. 920 app.setPukEntryProgressDialog(pd); 921 922 } else { 923 // In case of failure to unlock, we'll need to reset the 924 // PUK unlock activity, so that the user may try again. 925 if (app.getPUKEntryActivity() != null) { 926 app.setPukEntryActivity(null); 927 } 928 929 // A USSD in a pending state means that it is still 930 // interacting with the user. 931 if (state != MmiCode.State.PENDING) { 932 if (DBG) log("MMI code has finished running."); 933 934 // Replace response message with Extended Mmi wording 935 if (mNwService != null) { 936 try { 937 text = mNwService.getUserMessage(text); 938 } catch (RemoteException e) { 939 mNwService = null; 940 } 941 if (DBG) log("Extended NW displayMMIInitiate (" + text + ")"); 942 if (text == null || text.length() == 0) 943 return; 944 } 945 946 // displaying system alert dialog on the screen instead of 947 // using another activity to display the message. This 948 // places the message at the forefront of the UI. 949 AlertDialog newDialog = new AlertDialog.Builder(context) 950 .setMessage(text) 951 .setPositiveButton(R.string.ok, null) 952 .setCancelable(true) 953 .create(); 954 955 newDialog.getWindow().setType( 956 WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); 957 newDialog.getWindow().addFlags( 958 WindowManager.LayoutParams.FLAG_DIM_BEHIND); 959 960 newDialog.show(); 961 } else { 962 if (DBG) log("USSD code has requested user input. Constructing input dialog."); 963 964 // USSD MMI code that is interacting with the user. The 965 // basic set of steps is this: 966 // 1. User enters a USSD request 967 // 2. We recognize the request and displayMMIInitiate 968 // (above) creates a progress dialog. 969 // 3. Request returns and we get a PENDING or COMPLETE 970 // message. 971 // 4. These MMI messages are caught in the PhoneApp 972 // (onMMIComplete) and the InCallScreen 973 // (mHandler.handleMessage) which bring up this dialog 974 // and closes the original progress dialog, 975 // respectively. 976 // 5. If the message is anything other than PENDING, 977 // we are done, and the alert dialog (directly above) 978 // displays the outcome. 979 // 6. If the network is requesting more information from 980 // the user, the MMI will be in a PENDING state, and 981 // we display this dialog with the message. 982 // 7. User input, or cancel requests result in a return 983 // to step 1. Keep in mind that this is the only 984 // time that a USSD should be canceled. 985 986 // inflate the layout with the scrolling text area for the dialog. 987 LayoutInflater inflater = (LayoutInflater) context.getSystemService( 988 Context.LAYOUT_INFLATER_SERVICE); 989 View dialogView = inflater.inflate(R.layout.dialog_ussd_response, null); 990 991 // get the input field. 992 final EditText inputText = (EditText) dialogView.findViewById(R.id.input_field); 993 994 // specify the dialog's click listener, with SEND and CANCEL logic. 995 final DialogInterface.OnClickListener mUSSDDialogListener = 996 new DialogInterface.OnClickListener() { 997 public void onClick(DialogInterface dialog, int whichButton) { 998 switch (whichButton) { 999 case DialogInterface.BUTTON1: 1000 phone.sendUssdResponse(inputText.getText().toString()); 1001 break; 1002 case DialogInterface.BUTTON2: 1003 if (mmiCode.isCancelable()) { 1004 mmiCode.cancel(); 1005 } 1006 break; 1007 } 1008 } 1009 }; 1010 1011 // build the dialog 1012 final AlertDialog newDialog = new AlertDialog.Builder(context) 1013 .setMessage(text) 1014 .setView(dialogView) 1015 .setPositiveButton(R.string.send_button, mUSSDDialogListener) 1016 .setNegativeButton(R.string.cancel, mUSSDDialogListener) 1017 .setCancelable(false) 1018 .create(); 1019 1020 // attach the key listener to the dialog's input field and make 1021 // sure focus is set. 1022 final View.OnKeyListener mUSSDDialogInputListener = 1023 new View.OnKeyListener() { 1024 public boolean onKey(View v, int keyCode, KeyEvent event) { 1025 switch (keyCode) { 1026 case KeyEvent.KEYCODE_CALL: 1027 case KeyEvent.KEYCODE_ENTER: 1028 phone.sendUssdResponse(inputText.getText().toString()); 1029 newDialog.dismiss(); 1030 return true; 1031 } 1032 return false; 1033 } 1034 }; 1035 inputText.setOnKeyListener(mUSSDDialogInputListener); 1036 inputText.requestFocus(); 1037 1038 // set the window properties of the dialog 1039 newDialog.getWindow().setType( 1040 WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); 1041 newDialog.getWindow().addFlags( 1042 WindowManager.LayoutParams.FLAG_DIM_BEHIND); 1043 1044 // now show the dialog! 1045 newDialog.show(); 1046 } 1047 } 1048 } 1049 1050 /** 1051 * Cancels the current pending MMI operation, if applicable. 1052 * @return true if we canceled an MMI operation, or false 1053 * if the current pending MMI wasn't cancelable 1054 * or if there was no current pending MMI at all. 1055 * 1056 * @see displayMMIInitiate 1057 */ 1058 static boolean cancelMmiCode(Phone phone) { 1059 List<? extends MmiCode> pendingMmis = phone.getPendingMmiCodes(); 1060 int count = pendingMmis.size(); 1061 if (DBG) log("cancelMmiCode: num pending MMIs = " + count); 1062 1063 boolean canceled = false; 1064 if (count > 0) { 1065 // assume that we only have one pending MMI operation active at a time. 1066 // I don't think it's possible to enter multiple MMI codes concurrently 1067 // in the phone UI, because during the MMI operation, an Alert panel 1068 // is displayed, which prevents more MMI code from being entered. 1069 MmiCode mmiCode = pendingMmis.get(0); 1070 if (mmiCode.isCancelable()) { 1071 mmiCode.cancel(); 1072 canceled = true; 1073 } 1074 } 1075 1076 //clear timeout message and pre-set MMI command 1077 if (mNwService != null) { 1078 try { 1079 mNwService.clearMmiString(); 1080 } catch (RemoteException e) { 1081 mNwService = null; 1082 } 1083 } 1084 if (mMmiTimeoutCbMsg != null) { 1085 mMmiTimeoutCbMsg = null; 1086 } 1087 return canceled; 1088 } 1089 1090 public static class VoiceMailNumberMissingException extends Exception { 1091 VoiceMailNumberMissingException() { 1092 super(); 1093 } 1094 1095 VoiceMailNumberMissingException(String msg) { 1096 super(msg); 1097 } 1098 } 1099 1100 /** 1101 * Gets the phone number to be called from an intent. Requires a Context 1102 * to access the contacts database, and a Phone to access the voicemail 1103 * number. 1104 * 1105 * <p>If <code>phone</code> is <code>null</code>, the function will return 1106 * <code>null</code> for <code>voicemail:</code> URIs; 1107 * if <code>context</code> is <code>null</code>, the function will return 1108 * <code>null</code> for person/phone URIs.</p> 1109 * 1110 * @param context a context to use (or 1111 * @param phone the phone on which the number would be called 1112 * @param intent the intent 1113 * 1114 * @throws VoiceMailNumberMissingException if <code>intent</code> contains 1115 * a <code>voicemail:</code> URI, but <code>phone</code> does not 1116 * have a voicemail number set. 1117 * 1118 * @return the phone number that would be called by the intent, 1119 * or <code>null</code> if the number cannot be found. 1120 */ 1121 static String getNumberFromIntent(Context context, Phone phone, Intent intent) 1122 throws VoiceMailNumberMissingException { 1123 final String number = PhoneNumberUtils.getNumberFromIntent(intent, context); 1124 1125 // Check for a voicemail-dailing request. If the voicemail number is 1126 // empty, throw a VoiceMailNumberMissingException. 1127 if (intent.getData().getScheme().equals("voicemail") && 1128 (number == null || TextUtils.isEmpty(number))) 1129 throw new VoiceMailNumberMissingException(); 1130 1131 return number; 1132 } 1133 1134 /** 1135 * Returns the caller-id info corresponding to the specified Connection. 1136 * (This is just a simple wrapper around CallerInfo.getCallerInfo(): we 1137 * extract a phone number from the specified Connection, and feed that 1138 * number into CallerInfo.getCallerInfo().) 1139 * 1140 * The returned CallerInfo may be null in certain error cases, like if the 1141 * specified Connection was null, or if we weren't able to get a valid 1142 * phone number from the Connection. 1143 * 1144 * Finally, if the getCallerInfo() call did succeed, we save the resulting 1145 * CallerInfo object in the "userData" field of the Connection. 1146 * 1147 * NOTE: This API should be avoided, with preference given to the 1148 * asynchronous startGetCallerInfo API. 1149 */ 1150 static CallerInfo getCallerInfo(Context context, Connection c) { 1151 CallerInfo info = null; 1152 1153 if (c != null) { 1154 //See if there is a URI attached. If there is, this means 1155 //that there is no CallerInfo queried yet, so we'll need to 1156 //replace the URI with a full CallerInfo object. 1157 Object userDataObject = c.getUserData(); 1158 if (userDataObject instanceof Uri) { 1159 info = CallerInfo.getCallerInfo(context, (Uri) userDataObject); 1160 if (info != null) { 1161 c.setUserData(info); 1162 } 1163 } else { 1164 if (userDataObject instanceof CallerInfoToken) { 1165 //temporary result, while query is running 1166 info = ((CallerInfoToken) userDataObject).currentInfo; 1167 } else { 1168 //final query result 1169 info = (CallerInfo) userDataObject; 1170 } 1171 if (info == null) { 1172 // No URI, or Existing CallerInfo, so we'll have to make do with 1173 // querying a new CallerInfo using the connection's phone number. 1174 String number = c.getAddress(); 1175 1176 if (DBG) log("getCallerInfo: number = " + number); 1177 1178 if (!TextUtils.isEmpty(number)) { 1179 info = CallerInfo.getCallerInfo(context, number); 1180 if (info != null) { 1181 c.setUserData(info); 1182 } 1183 } 1184 } 1185 } 1186 } 1187 return info; 1188 } 1189 1190 /** 1191 * Class returned by the startGetCallerInfo call to package a temporary 1192 * CallerInfo Object, to be superceded by the CallerInfo Object passed 1193 * into the listener when the query with token mAsyncQueryToken is complete. 1194 */ 1195 public static class CallerInfoToken { 1196 /**indicates that there will no longer be updates to this request.*/ 1197 public boolean isFinal; 1198 1199 public CallerInfo currentInfo; 1200 public CallerInfoAsyncQuery asyncQuery; 1201 } 1202 1203 /** 1204 * Start a CallerInfo Query based on the earliest connection in the call. 1205 */ 1206 static CallerInfoToken startGetCallerInfo(Context context, Call call, 1207 CallerInfoAsyncQuery.OnQueryCompleteListener listener, Object cookie) { 1208 PhoneApp app = PhoneApp.getInstance(); 1209 Connection conn = null; 1210 int phoneType = app.phone.getPhoneType(); 1211 if (phoneType == Phone.PHONE_TYPE_CDMA) { 1212 conn = call.getLatestConnection(); 1213 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 1214 conn = call.getEarliestConnection(); 1215 } else { 1216 throw new IllegalStateException("Unexpected phone type: " + phoneType); 1217 } 1218 1219 return startGetCallerInfo(context, conn, listener, cookie); 1220 } 1221 1222 /** 1223 * place a temporary callerinfo object in the hands of the caller and notify 1224 * caller when the actual query is done. 1225 */ 1226 static CallerInfoToken startGetCallerInfo(Context context, Connection c, 1227 CallerInfoAsyncQuery.OnQueryCompleteListener listener, Object cookie) { 1228 CallerInfoToken cit; 1229 1230 if (c == null) { 1231 //TODO: perhaps throw an exception here. 1232 cit = new CallerInfoToken(); 1233 cit.asyncQuery = null; 1234 return cit; 1235 } 1236 1237 // There are now 3 states for the userdata. 1238 // 1. Uri - query has not been executed yet 1239 // 2. CallerInfoToken - query is executing, but has not completed. 1240 // 3. CallerInfo - query has executed. 1241 // In each case we have slightly different behaviour: 1242 // 1. If the query has not been executed yet (Uri or null), we start 1243 // query execution asynchronously, and note it by attaching a 1244 // CallerInfoToken as the userData. 1245 // 2. If the query is executing (CallerInfoToken), we've essentially 1246 // reached a state where we've received multiple requests for the 1247 // same callerInfo. That means that once the query is complete, 1248 // we'll need to execute the additional listener requested. 1249 // 3. If the query has already been executed (CallerInfo), we just 1250 // return the CallerInfo object as expected. 1251 // 4. Regarding isFinal - there are cases where the CallerInfo object 1252 // will not be attached, like when the number is empty (caller id 1253 // blocking). This flag is used to indicate that the 1254 // CallerInfoToken object is going to be permanent since no 1255 // query results will be returned. In the case where a query 1256 // has been completed, this flag is used to indicate to the caller 1257 // that the data will not be updated since it is valid. 1258 // 1259 // Note: For the case where a number is NOT retrievable, we leave 1260 // the CallerInfo as null in the CallerInfoToken. This is 1261 // something of a departure from the original code, since the old 1262 // code manufactured a CallerInfo object regardless of the query 1263 // outcome. From now on, we will append an empty CallerInfo 1264 // object, to mirror previous behaviour, and to avoid Null Pointer 1265 // Exceptions. 1266 Object userDataObject = c.getUserData(); 1267 if (userDataObject instanceof Uri) { 1268 //create a dummy callerinfo, populate with what we know from URI. 1269 cit = new CallerInfoToken(); 1270 cit.currentInfo = new CallerInfo(); 1271 cit.asyncQuery = CallerInfoAsyncQuery.startQuery(QUERY_TOKEN, context, 1272 (Uri) userDataObject, sCallerInfoQueryListener, c); 1273 cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie); 1274 cit.isFinal = false; 1275 1276 c.setUserData(cit); 1277 1278 if (DBG) log("startGetCallerInfo: query based on Uri: " + userDataObject); 1279 1280 } else if (userDataObject == null) { 1281 // No URI, or Existing CallerInfo, so we'll have to make do with 1282 // querying a new CallerInfo using the connection's phone number. 1283 String number = c.getAddress(); 1284 1285 cit = new CallerInfoToken(); 1286 cit.currentInfo = new CallerInfo(); 1287 1288 // Store CNAP information retrieved from the Connection (we want to do this 1289 // here regardless of whether the number is empty or not). 1290 cit.currentInfo.cnapName = c.getCnapName(); 1291 cit.currentInfo.name = cit.currentInfo.cnapName; // This can still get overwritten 1292 // by ContactInfo later 1293 cit.currentInfo.numberPresentation = c.getNumberPresentation(); 1294 cit.currentInfo.namePresentation = c.getCnapNamePresentation(); 1295 1296 if (DBG) log("startGetCallerInfo: number = " + number); 1297 if (DBG) log("startGetCallerInfo: CNAP Info from FW(1): name=" 1298 + cit.currentInfo.cnapName 1299 + ", Name/Number Pres=" + cit.currentInfo.numberPresentation); 1300 1301 // handling case where number is null (caller id hidden) as well. 1302 if (!TextUtils.isEmpty(number)) { 1303 // Check for special CNAP cases and modify the CallerInfo accordingly 1304 // to be sure we keep the right information to display/log later 1305 number = modifyForSpecialCnapCases(context, cit.currentInfo, number, 1306 cit.currentInfo.numberPresentation); 1307 1308 cit.currentInfo.phoneNumber = number; 1309 // For scenarios where we may receive a valid number from the network but a 1310 // restricted/unavailable presentation, we do not want to perform a contact query 1311 // (see note on isFinal above). So we set isFinal to true here as well. 1312 if (cit.currentInfo.numberPresentation != Connection.PRESENTATION_ALLOWED) { 1313 cit.isFinal = true; 1314 } else { 1315 cit.asyncQuery = CallerInfoAsyncQuery.startQuery(QUERY_TOKEN, context, 1316 number, sCallerInfoQueryListener, c); 1317 cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie); 1318 cit.isFinal = false; 1319 } 1320 } else { 1321 // This is the case where we are querying on a number that 1322 // is null or empty, like a caller whose caller id is 1323 // blocked or empty (CLIR). The previous behaviour was to 1324 // throw a null CallerInfo object back to the user, but 1325 // this departure is somewhat cleaner. 1326 if (DBG) log("startGetCallerInfo: No query to start, send trivial reply."); 1327 cit.isFinal = true; // please see note on isFinal, above. 1328 } 1329 1330 c.setUserData(cit); 1331 1332 if (DBG) log("startGetCallerInfo: query based on number: " + number); 1333 1334 } else if (userDataObject instanceof CallerInfoToken) { 1335 // query is running, just tack on this listener to the queue. 1336 cit = (CallerInfoToken) userDataObject; 1337 1338 // handling case where number is null (caller id hidden) as well. 1339 if (cit.asyncQuery != null) { 1340 cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie); 1341 1342 if (DBG) log("startGetCallerInfo: query already running, adding listener: " + 1343 listener.getClass().toString()); 1344 } else { 1345 // handling case where number/name gets updated later on by the network 1346 String updatedNumber = c.getAddress(); 1347 if (DBG) log("startGetCallerInfo: updatedNumber initially = " + updatedNumber); 1348 if (!TextUtils.isEmpty(updatedNumber)) { 1349 // Store CNAP information retrieved from the Connection 1350 cit.currentInfo.cnapName = c.getCnapName(); 1351 // This can still get overwritten by ContactInfo 1352 cit.currentInfo.name = cit.currentInfo.cnapName; 1353 cit.currentInfo.numberPresentation = c.getNumberPresentation(); 1354 cit.currentInfo.namePresentation = c.getCnapNamePresentation(); 1355 1356 updatedNumber = modifyForSpecialCnapCases(context, cit.currentInfo, 1357 updatedNumber, cit.currentInfo.numberPresentation); 1358 1359 cit.currentInfo.phoneNumber = updatedNumber; 1360 if (DBG) log("startGetCallerInfo: updatedNumber=" + updatedNumber); 1361 if (DBG) log("startGetCallerInfo: CNAP Info from FW(2): name=" 1362 + cit.currentInfo.cnapName 1363 + ", Name/Number Pres=" + cit.currentInfo.numberPresentation); 1364 // For scenarios where we may receive a valid number from the network but a 1365 // restricted/unavailable presentation, we do not want to perform a contact query 1366 // (see note on isFinal above). So we set isFinal to true here as well. 1367 if (cit.currentInfo.numberPresentation != Connection.PRESENTATION_ALLOWED) { 1368 cit.isFinal = true; 1369 } else { 1370 cit.asyncQuery = CallerInfoAsyncQuery.startQuery(QUERY_TOKEN, context, 1371 updatedNumber, sCallerInfoQueryListener, c); 1372 cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie); 1373 cit.isFinal = false; 1374 } 1375 } else { 1376 if (DBG) log("startGetCallerInfo: No query to attach to, send trivial reply."); 1377 if (cit.currentInfo == null) { 1378 cit.currentInfo = new CallerInfo(); 1379 } 1380 // Store CNAP information retrieved from the Connection 1381 cit.currentInfo.cnapName = c.getCnapName(); // This can still get 1382 // overwritten by ContactInfo 1383 cit.currentInfo.name = cit.currentInfo.cnapName; 1384 cit.currentInfo.numberPresentation = c.getNumberPresentation(); 1385 cit.currentInfo.namePresentation = c.getCnapNamePresentation(); 1386 1387 if (DBG) log("startGetCallerInfo: CNAP Info from FW(3): name=" 1388 + cit.currentInfo.cnapName 1389 + ", Name/Number Pres=" + cit.currentInfo.numberPresentation); 1390 cit.isFinal = true; // please see note on isFinal, above. 1391 } 1392 } 1393 } else { 1394 cit = new CallerInfoToken(); 1395 cit.currentInfo = (CallerInfo) userDataObject; 1396 cit.asyncQuery = null; 1397 cit.isFinal = true; 1398 // since the query is already done, call the listener. 1399 if (DBG) log("startGetCallerInfo: query already done, returning CallerInfo"); 1400 } 1401 return cit; 1402 } 1403 1404 /** 1405 * Implemented for CallerInfo.OnCallerInfoQueryCompleteListener interface. 1406 * Updates the connection's userData when called. 1407 */ 1408 private static final int QUERY_TOKEN = -1; 1409 static CallerInfoAsyncQuery.OnQueryCompleteListener sCallerInfoQueryListener = 1410 new CallerInfoAsyncQuery.OnQueryCompleteListener () { 1411 public void onQueryComplete(int token, Object cookie, CallerInfo ci) { 1412 if (DBG) log("query complete, updating connection.userdata"); 1413 Connection conn = (Connection) cookie; 1414 1415 // Added a check if CallerInfo is coming from ContactInfo or from Connection. 1416 // If no ContactInfo, then we want to use CNAP information coming from network 1417 if (DBG) log("- onQueryComplete: CallerInfo:" + ci); 1418 if (ci.contactExists || ci.isEmergencyNumber() || ci.isVoiceMailNumber()) { 1419 // If the number presentation has not been set by 1420 // the ContactInfo, use the one from the 1421 // connection. 1422 1423 // TODO: Need a new util method to merge the info 1424 // from the Connection in a CallerInfo object. 1425 // Here 'ci' is a new CallerInfo instance read 1426 // from the DB. It has lost all the connection 1427 // info preset before the query (see PhoneUtils 1428 // line 1334). We should have a method to merge 1429 // back into this new instance the info from the 1430 // connection object not set by the DB. If the 1431 // Connection already has a CallerInfo instance in 1432 // userData, then we could use this instance to 1433 // fill 'ci' in. The same routine could be used in 1434 // PhoneUtils. 1435 if (0 == ci.numberPresentation) { 1436 ci.numberPresentation = conn.getNumberPresentation(); 1437 } 1438 } else { 1439 CallerInfo newCi = getCallerInfo(null, conn); 1440 if (newCi != null) { 1441 newCi.phoneNumber = ci.phoneNumber; // To get formatted phone number 1442 ci = newCi; 1443 } 1444 } 1445 conn.setUserData(ci); 1446 } 1447 }; 1448 1449 1450 /** 1451 * Returns a single "name" for the specified given a CallerInfo object. 1452 * If the name is null, return defaultString as the default value, usually 1453 * context.getString(R.string.unknown). 1454 */ 1455 static String getCompactNameFromCallerInfo(CallerInfo ci, Context context) { 1456 if (DBG) log("getCompactNameFromCallerInfo: info = " + ci); 1457 1458 String compactName = null; 1459 if (ci != null) { 1460 compactName = ci.name; 1461 if ((compactName == null) || (TextUtils.isEmpty(compactName))) { 1462 compactName = ci.phoneNumber; 1463 } 1464 // Perform any modifications for special CNAP cases to the name being displayed, 1465 // if applicable. 1466 compactName = modifyForSpecialCnapCases(context, ci, compactName, ci.numberPresentation); 1467 } 1468 1469 if ((compactName == null) || (TextUtils.isEmpty(compactName))) { 1470 // If we're still null/empty here, then check if we have a presentation 1471 // string that takes precedence that we could return, otherwise display 1472 // "unknown" string. 1473 if (ci != null && ci.numberPresentation == Connection.PRESENTATION_RESTRICTED) { 1474 compactName = context.getString(R.string.private_num); 1475 } else if (ci != null && ci.numberPresentation == Connection.PRESENTATION_PAYPHONE) { 1476 compactName = context.getString(R.string.payphone); 1477 } else { 1478 compactName = context.getString(R.string.unknown); 1479 } 1480 } 1481 if (DBG) log("getCompactNameFromCallerInfo: compactName=" + compactName); 1482 return compactName; 1483 } 1484 1485 /** 1486 * Returns true if the specified Call is a "conference call", meaning 1487 * that it owns more than one Connection object. This information is 1488 * used to trigger certain UI changes that appear when a conference 1489 * call is active (like displaying the label "Conference call", and 1490 * enabling the "Manage conference" UI.) 1491 * 1492 * Watch out: This method simply checks the number of Connections, 1493 * *not* their states. So if a Call has (for example) one ACTIVE 1494 * connection and one DISCONNECTED connection, this method will return 1495 * true (which is unintuitive, since the Call isn't *really* a 1496 * conference call any more.) 1497 * 1498 * @return true if the specified call has more than one connection (in any state.) 1499 */ 1500 static boolean isConferenceCall(Call call) { 1501 // CDMA phones don't have the same concept of "conference call" as 1502 // GSM phones do; there's no special "conference call" state of 1503 // the UI or a "manage conference" function. (Instead, when 1504 // you're in a 3-way call, all we can do is display the "generic" 1505 // state of the UI.) So as far as the in-call UI is concerned, 1506 // Conference corresponds to generic display. 1507 PhoneApp app = PhoneApp.getInstance(); 1508 int phoneType = app.phone.getPhoneType(); 1509 if (phoneType == Phone.PHONE_TYPE_CDMA) { 1510 if (app.cdmaPhoneCallState.getCurrentCallState() 1511 == CdmaPhoneCallState.PhoneCallState.CONF_CALL) { 1512 return true; 1513 } 1514 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 1515 List<Connection> connections = call.getConnections(); 1516 if (connections != null && connections.size() > 1) { 1517 return true; 1518 } 1519 } else { 1520 throw new IllegalStateException("Unexpected phone type: " + phoneType); 1521 } 1522 return false; 1523 1524 // TODO: We may still want to change the semantics of this method 1525 // to say that a given call is only really a conference call if 1526 // the number of ACTIVE connections, not the total number of 1527 // connections, is greater than one. (See warning comment in the 1528 // javadoc above.) 1529 // Here's an implementation of that: 1530 // if (connections == null) { 1531 // return false; 1532 // } 1533 // int numActiveConnections = 0; 1534 // for (Connection conn : connections) { 1535 // if (DBG) log(" - CONN: " + conn + ", state = " + conn.getState()); 1536 // if (conn.getState() == Call.State.ACTIVE) numActiveConnections++; 1537 // if (numActiveConnections > 1) { 1538 // return true; 1539 // } 1540 // } 1541 // return false; 1542 } 1543 1544 /** 1545 * Launch the Dialer to start a new call. 1546 * This is just a wrapper around the ACTION_DIAL intent. 1547 */ 1548 static void startNewCall(final Phone phone) { 1549 final KeyguardManager keyguardManager = PhoneApp.getInstance().getKeyguardManager(); 1550 if (!keyguardManager.inKeyguardRestrictedInputMode()) { 1551 internalStartNewCall(phone); 1552 } else { 1553 keyguardManager.exitKeyguardSecurely(new KeyguardManager.OnKeyguardExitResult() { 1554 public void onKeyguardExitResult(boolean success) { 1555 if (success) { 1556 internalStartNewCall(phone); 1557 } 1558 } 1559 }); 1560 } 1561 } 1562 1563 private static void internalStartNewCall(Phone phone) { 1564 // Sanity-check that this is OK given the current state of the phone. 1565 if (!okToAddCall(phone)) { 1566 Log.w(LOG_TAG, "startNewCall: can't add a new call in the current state"); 1567 dumpCallState(phone); 1568 return; 1569 } 1570 1571 // if applicable, mute the call while we're showing the add call UI. 1572 if (!phone.getForegroundCall().isIdle()) { 1573 setMuteInternal(phone, true); 1574 // Inform the phone app that this mute state was NOT done 1575 // voluntarily by the User. 1576 PhoneApp.getInstance().setRestoreMuteOnInCallResume(true); 1577 } 1578 1579 Intent intent = new Intent(Intent.ACTION_DIAL); 1580 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1581 1582 // when we request the dialer come up, we also want to inform 1583 // it that we're going through the "add call" option from the 1584 // InCallScreen / PhoneUtils. 1585 intent.putExtra(ADD_CALL_MODE_KEY, true); 1586 1587 PhoneApp.getInstance().startActivity(intent); 1588 } 1589 1590 /** 1591 * Brings up the UI used to handle an incoming call. 1592 * 1593 * Originally, this brought up an IncomingCallPanel instance 1594 * (which was a subclass of Dialog) on top of whatever app 1595 * was currently running. Now, we take you directly to the 1596 * in-call screen, whose CallCard automatically does the right 1597 * thing if there's a Call that's currently ringing. 1598 */ 1599 static void showIncomingCallUi() { 1600 if (DBG) log("showIncomingCallUi()..."); 1601 PhoneApp app = PhoneApp.getInstance(); 1602 1603 // Before bringing up the "incoming call" UI, force any system 1604 // dialogs (like "recent tasks" or the power dialog) to close first. 1605 try { 1606 ActivityManagerNative.getDefault().closeSystemDialogs("call"); 1607 } catch (RemoteException e) { 1608 } 1609 1610 // Go directly to the in-call screen. 1611 // (No need to do anything special if we're already on the in-call 1612 // screen; it'll notice the phone state change and update itself.) 1613 1614 // But first, grab a full wake lock. We do this here, before we 1615 // even fire off the InCallScreen intent, to make sure the 1616 // ActivityManager doesn't try to pause the InCallScreen as soon 1617 // as it comes up. (See bug 1648751.) 1618 // 1619 // And since the InCallScreen isn't visible yet (we haven't even 1620 // fired off the intent yet), we DON'T want the screen to actually 1621 // come on right now. So *before* acquiring the wake lock we need 1622 // to call preventScreenOn(), which tells the PowerManager that 1623 // the screen should stay off even if someone's holding a full 1624 // wake lock. (This prevents any flicker during the "incoming 1625 // call" sequence. The corresponding preventScreenOn(false) call 1626 // will come from the InCallScreen when it's finally ready to be 1627 // displayed.) 1628 // 1629 // TODO: this is all a temporary workaround. The real fix is to add 1630 // an Activity attribute saying "this Activity wants to wake up the 1631 // phone when it's displayed"; that way the ActivityManager could 1632 // manage the wake locks *and* arrange for the screen to come on at 1633 // the exact moment that the InCallScreen is ready to be displayed. 1634 // (See bug 1648751.) 1635 app.preventScreenOn(true); 1636 app.requestWakeState(PhoneApp.WakeState.FULL); 1637 1638 // Fire off the InCallScreen intent. 1639 app.displayCallScreen(); 1640 } 1641 1642 static void turnOnSpeaker(Context context, boolean flag, boolean store) { 1643 if (DBG) log("turnOnSpeaker: " + flag); 1644 AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 1645 1646 audioManager.setSpeakerphoneOn(flag); 1647 // record the speaker-enable value 1648 if (store) { 1649 sIsSpeakerEnabled = flag; 1650 } 1651 if (flag) { 1652 NotificationMgr.getDefault().notifySpeakerphone(); 1653 } else { 1654 NotificationMgr.getDefault().cancelSpeakerphone(); 1655 } 1656 1657 // We also need to make a fresh call to PhoneApp.updateWakeState() 1658 // any time the speaker state changes, since the screen timeout is 1659 // sometimes different depending on whether or not the speaker is 1660 // in use. 1661 PhoneApp app = PhoneApp.getInstance(); 1662 app.updateWakeState(); 1663 1664 // Update the Proximity sensor based on speaker state 1665 app.updateProximitySensorMode(app.phone.getState()); 1666 } 1667 1668 /** 1669 * Restore the speaker mode, called after a wired headset disconnect 1670 * event. 1671 */ 1672 static void restoreSpeakerMode(Context context) { 1673 if (DBG) log("restoreSpeakerMode, restoring to: " + sIsSpeakerEnabled); 1674 1675 // change the mode if needed. 1676 if (isSpeakerOn(context) != sIsSpeakerEnabled) { 1677 turnOnSpeaker(context, sIsSpeakerEnabled, false); 1678 } 1679 } 1680 1681 static boolean isSpeakerOn(Context context) { 1682 AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 1683 return audioManager.isSpeakerphoneOn(); 1684 } 1685 1686 /** 1687 * Wrapper around Phone.setMute() that also updates the mute icon in 1688 * the status bar. 1689 * 1690 * All muting / unmuting from the in-call UI should go through this 1691 * wrapper. 1692 */ 1693 static void setMute(Phone phone, boolean muted) { 1694 // make the call to mute the audio 1695 setMuteInternal(phone, muted); 1696 1697 // update the foreground connections to match. This includes 1698 // all the connections on conference calls. 1699 for (Connection cn : phone.getForegroundCall().getConnections()) { 1700 if (sConnectionMuteTable.get(cn) == null) { 1701 if (DBG) log("problem retrieving mute value for this connection."); 1702 } 1703 sConnectionMuteTable.put(cn, Boolean.valueOf(muted)); 1704 } 1705 } 1706 1707 /** 1708 * Internally used muting function. All UI calls should use {@link setMute} 1709 */ 1710 static void setMuteInternal(Phone phone, boolean muted) { 1711 if (DBG) log("setMute: " + muted); 1712 phone.setMute(muted); 1713 if (muted) { 1714 NotificationMgr.getDefault().notifyMute(); 1715 } else { 1716 NotificationMgr.getDefault().cancelMute(); 1717 } 1718 } 1719 1720 static boolean getMute(Phone phone) { 1721 return phone.getMute(); 1722 } 1723 1724 /** 1725 * A really simple wrapper around AudioManager.setMode(), 1726 * with a bit of extra logging to help debug the exact 1727 * timing (and call stacks) for all our setMode() calls. 1728 * 1729 * Also, add additional state monitoring to determine 1730 * whether or not certain calls to change the audio mode 1731 * are ignored. 1732 */ 1733 /* package */ static void setAudioMode(Context context, int mode) { 1734 if (DBG) Log.d(LOG_TAG, "setAudioMode(" + audioModeToString(mode) + ")..."); 1735 1736 //decide whether or not to ignore the audio setting 1737 boolean ignore = false; 1738 1739 switch (sAudioBehaviourState) { 1740 case AUDIO_RINGING: 1741 ignore = ((mode == AudioManager.MODE_NORMAL) || (mode == AudioManager.MODE_IN_CALL)); 1742 break; 1743 case AUDIO_OFFHOOK: 1744 ignore = ((mode == AudioManager.MODE_NORMAL) || (mode == AudioManager.MODE_RINGTONE)); 1745 break; 1746 case AUDIO_IDLE: 1747 default: 1748 ignore = (mode == AudioManager.MODE_IN_CALL); 1749 break; 1750 } 1751 1752 if (!ignore) { 1753 AudioManager audioManager = 1754 (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 1755 // Enable stack dump only when actively debugging ("new Throwable()" is expensive!) 1756 if (DBG_SETAUDIOMODE_STACK) Log.d(LOG_TAG, "Stack:", new Throwable("stack dump")); 1757 audioManager.setMode(mode); 1758 } else { 1759 if (DBG) Log.d(LOG_TAG, "setAudioMode(), state is " + sAudioBehaviourState + 1760 " ignoring " + audioModeToString(mode) + " request"); 1761 } 1762 } 1763 private static String audioModeToString(int mode) { 1764 switch (mode) { 1765 case AudioManager.MODE_INVALID: return "MODE_INVALID"; 1766 case AudioManager.MODE_CURRENT: return "MODE_CURRENT"; 1767 case AudioManager.MODE_NORMAL: return "MODE_NORMAL"; 1768 case AudioManager.MODE_RINGTONE: return "MODE_RINGTONE"; 1769 case AudioManager.MODE_IN_CALL: return "MODE_IN_CALL"; 1770 default: return String.valueOf(mode); 1771 } 1772 } 1773 1774 /** 1775 * Handles the wired headset button while in-call. 1776 * 1777 * This is called from the PhoneApp, not from the InCallScreen, 1778 * since the HEADSETHOOK button means "mute or unmute the current 1779 * call" *any* time a call is active, even if the user isn't actually 1780 * on the in-call screen. 1781 * 1782 * @return true if we consumed the event. 1783 */ 1784 /* package */ static boolean handleHeadsetHook(Phone phone) { 1785 if (DBG) log("handleHeadsetHook()..."); 1786 1787 // If the phone is totally idle, we ignore HEADSETHOOK events 1788 // (and instead let them fall through to the media player.) 1789 if (phone.getState() == Phone.State.IDLE) { 1790 return false; 1791 } 1792 1793 // Ok, the phone is in use. 1794 // The headset button button means "Answer" if an incoming call is 1795 // ringing. If not, it toggles the mute / unmute state. 1796 // 1797 // And in any case we *always* consume this event; this means 1798 // that the usual mediaplayer-related behavior of the headset 1799 // button will NEVER happen while the user is on a call. 1800 1801 final boolean hasRingingCall = !phone.getRingingCall().isIdle(); 1802 final boolean hasActiveCall = !phone.getForegroundCall().isIdle(); 1803 final boolean hasHoldingCall = !phone.getBackgroundCall().isIdle(); 1804 1805 if (hasRingingCall) { 1806 // If an incoming call is ringing, answer it (just like with the 1807 // CALL button): 1808 int phoneType = phone.getPhoneType(); 1809 if (phoneType == Phone.PHONE_TYPE_CDMA) { 1810 answerCall(phone); 1811 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 1812 if (hasActiveCall && hasHoldingCall) { 1813 if (DBG) log("handleHeadsetHook: ringing (both lines in use) ==> answer!"); 1814 answerAndEndActive(phone); 1815 } else { 1816 if (DBG) log("handleHeadsetHook: ringing ==> answer!"); 1817 answerCall(phone); // Automatically holds the current active call, 1818 // if there is one 1819 } 1820 } else { 1821 throw new IllegalStateException("Unexpected phone type: " + phoneType); 1822 } 1823 } else { 1824 // No incoming ringing call. Toggle the mute state. 1825 if (getMute(phone)) { 1826 if (DBG) log("handleHeadsetHook: UNmuting..."); 1827 setMute(phone, false); 1828 } else { 1829 if (DBG) log("handleHeadsetHook: muting..."); 1830 setMute(phone, true); 1831 } 1832 } 1833 1834 // Even if the InCallScreen is the current activity, there's no 1835 // need to force it to update, because (1) if we answered a 1836 // ringing call, the InCallScreen will imminently get a phone 1837 // state change event (causing an update), and (2) if we muted or 1838 // unmuted, the setMute() call automagically updates the status 1839 // bar, and there's no "mute" indication in the InCallScreen 1840 // itself (other than the menu item, which only ever stays 1841 // onscreen for a second anyway.) 1842 // TODO: (2) isn't entirely true anymore. Once we return our result 1843 // to the PhoneApp, we ask InCallScreen to update its control widgets 1844 // in case we changed mute or speaker state and phones with touch- 1845 // screen [toggle] buttons need to update themselves. 1846 1847 return true; 1848 } 1849 1850 /** 1851 * Look for ANY connections on the phone that qualify as being 1852 * disconnected. 1853 * 1854 * @return true if we find a connection that is disconnected over 1855 * all the phone's call objects. 1856 */ 1857 /* package */ static boolean hasDisconnectedConnections(Phone phone) { 1858 return hasDisconnectedConnections(phone.getForegroundCall()) || 1859 hasDisconnectedConnections(phone.getBackgroundCall()) || 1860 hasDisconnectedConnections(phone.getRingingCall()); 1861 } 1862 1863 /** 1864 * Iterate over all connections in a call to see if there are any 1865 * that are not alive (disconnected or idle). 1866 * 1867 * @return true if we find a connection that is disconnected, and 1868 * pending removal via 1869 * {@link com.android.internal.telephony.gsm.GsmCall#clearDisconnected()}. 1870 */ 1871 private static final boolean hasDisconnectedConnections(Call call) { 1872 // look through all connections for non-active ones. 1873 for (Connection c : call.getConnections()) { 1874 if (!c.isAlive()) { 1875 return true; 1876 } 1877 } 1878 return false; 1879 } 1880 1881 // 1882 // Misc UI policy helper functions 1883 // 1884 1885 /** 1886 * @return true if we're allowed to swap calls, given the current 1887 * state of the Phone. 1888 */ 1889 /* package */ static boolean okToSwapCalls(Phone phone) { 1890 int phoneType = phone.getPhoneType(); 1891 if (phoneType == Phone.PHONE_TYPE_CDMA) { 1892 // CDMA: "Swap" is enabled only when the phone reaches a *generic*. 1893 // state by either accepting a Call Waiting or by merging two calls 1894 PhoneApp app = PhoneApp.getInstance(); 1895 return (app.cdmaPhoneCallState.getCurrentCallState() 1896 == CdmaPhoneCallState.PhoneCallState.CONF_CALL); 1897 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 1898 // GSM: "Swap" is available if both lines are in use and there's no 1899 // incoming call. (Actually we need to verify that the active 1900 // call really is in the ACTIVE state and the holding call really 1901 // is in the HOLDING state, since you *can't* actually swap calls 1902 // when the foreground call is DIALING or ALERTING.) 1903 return phone.getRingingCall().isIdle() 1904 && (phone.getForegroundCall().getState() == Call.State.ACTIVE) 1905 && (phone.getBackgroundCall().getState() == Call.State.HOLDING); 1906 } else { 1907 throw new IllegalStateException("Unexpected phone type: " + phoneType); 1908 } 1909 } 1910 1911 /** 1912 * @return true if we're allowed to merge calls, given the current 1913 * state of the Phone. 1914 */ 1915 /* package */ static boolean okToMergeCalls(Phone phone) { 1916 int phoneType = phone.getPhoneType(); 1917 if (phoneType == Phone.PHONE_TYPE_CDMA) { 1918 // CDMA: "Merge" is enabled only when the user is in a 3Way call. 1919 PhoneApp app = PhoneApp.getInstance(); 1920 return (app.cdmaPhoneCallState.getCurrentCallState() 1921 == CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE); 1922 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 1923 // GSM: "Merge" is available if both lines are in use and there's no 1924 // incoming call, *and* the current conference isn't already 1925 // "full". 1926 return phone.getRingingCall().isIdle() && phone.canConference(); 1927 } else { 1928 throw new IllegalStateException("Unexpected phone type: " + phoneType); 1929 } 1930 } 1931 1932 /** 1933 * @return true if the UI should let you add a new call, given the current 1934 * state of the Phone. 1935 */ 1936 /* package */ static boolean okToAddCall(Phone phone) { 1937 int phoneType = phone.getPhoneType(); 1938 if (phoneType == Phone.PHONE_TYPE_CDMA) { 1939 // CDMA: "Add call" menu item is only enabled when the call is in 1940 // - SINGLE_ACTIVE state 1941 // - After 60 seconds of user Ignoring/Missing a Call Waiting call. 1942 PhoneApp app = PhoneApp.getInstance(); 1943 return ((app.cdmaPhoneCallState.getCurrentCallState() 1944 == CdmaPhoneCallState.PhoneCallState.SINGLE_ACTIVE) 1945 && (app.cdmaPhoneCallState.getAddCallMenuStateAfterCallWaiting())); 1946 } else if (phoneType == Phone.PHONE_TYPE_GSM) { 1947 // GSM: "Add call" is available only if ALL of the following are true: 1948 // - There's no incoming ringing call 1949 // - There's < 2 lines in use 1950 // - The foreground call is ACTIVE or IDLE or DISCONNECTED. 1951 // (We mainly need to make sure it *isn't* DIALING or ALERTING.) 1952 final boolean hasRingingCall = !phone.getRingingCall().isIdle(); 1953 final boolean hasActiveCall = !phone.getForegroundCall().isIdle(); 1954 final boolean hasHoldingCall = !phone.getBackgroundCall().isIdle(); 1955 final boolean allLinesTaken = hasActiveCall && hasHoldingCall; 1956 final Call.State fgCallState = phone.getForegroundCall().getState(); 1957 1958 return !hasRingingCall 1959 && !allLinesTaken 1960 && ((fgCallState == Call.State.ACTIVE) 1961 || (fgCallState == Call.State.IDLE) 1962 || (fgCallState == Call.State.DISCONNECTED)); 1963 } else { 1964 throw new IllegalStateException("Unexpected phone type: " + phoneType); 1965 } 1966 } 1967 1968 /** 1969 * Based on the input CNAP number string, 1970 * @return _RESTRICTED or _UNKNOWN for all the special CNAP strings. 1971 * Otherwise, return CNAP_SPECIAL_CASE_NO. 1972 */ 1973 private static int checkCnapSpecialCases(String n) { 1974 if (n.equals("PRIVATE") || 1975 n.equals("P") || 1976 n.equals("RES")) { 1977 if (DBG) log("checkCnapSpecialCases, PRIVATE string: " + n); 1978 return Connection.PRESENTATION_RESTRICTED; 1979 } else if (n.equals("UNAVAILABLE") || 1980 n.equals("UNKNOWN") || 1981 n.equals("UNA") || 1982 n.equals("U")) { 1983 if (DBG) log("checkCnapSpecialCases, UNKNOWN string: " + n); 1984 return Connection.PRESENTATION_UNKNOWN; 1985 } else { 1986 if (DBG) log("checkCnapSpecialCases, normal str. number: " + n); 1987 return CNAP_SPECIAL_CASE_NO; 1988 } 1989 } 1990 1991 /** 1992 * Handles certain "corner cases" for CNAP. When we receive weird phone numbers 1993 * from the network to indicate different number presentations, convert them to 1994 * expected number and presentation values within the CallerInfo object. 1995 * @param number number we use to verify if we are in a corner case 1996 * @param presentation presentation value used to verify if we are in a corner case 1997 * @return the new String that should be used for the phone number 1998 */ 1999 /* package */ static String modifyForSpecialCnapCases(Context context, CallerInfo ci, 2000 String number, int presentation) { 2001 // Obviously we return number if ci == null, but still return number if 2002 // number == null, because in these cases the correct string will still be 2003 // displayed/logged after this function returns based on the presentation value. 2004 if (ci == null || number == null) return number; 2005 2006 if (DBG) log("modifyForSpecialCnapCases: initially, number=" + number 2007 + ", presentation=" + presentation); 2008 2009 // "ABSENT NUMBER" is a possible value we could get from the network as the 2010 // phone number, so if this happens, change it to "Unknown" in the CallerInfo 2011 // and fix the presentation to be the same. 2012 if (number.equals(context.getString(R.string.absent_num)) 2013 && presentation == Connection.PRESENTATION_ALLOWED) { 2014 number = context.getString(R.string.unknown); 2015 ci.numberPresentation = Connection.PRESENTATION_UNKNOWN; 2016 } 2017 2018 // Check for other special "corner cases" for CNAP and fix them similarly. Corner 2019 // cases only apply if we received an allowed presentation from the network, so check 2020 // if we think we have an allowed presentation, or if the CallerInfo presentation doesn't 2021 // match the presentation passed in for verification (meaning we changed it previously 2022 // because it's a corner case and we're being called from a different entry point). 2023 if (ci.numberPresentation == Connection.PRESENTATION_ALLOWED 2024 || (ci.numberPresentation != presentation 2025 && presentation == Connection.PRESENTATION_ALLOWED)) { 2026 int cnapSpecialCase = checkCnapSpecialCases(number); 2027 if (cnapSpecialCase != CNAP_SPECIAL_CASE_NO) { 2028 // For all special strings, change number & numberPresentation. 2029 if (cnapSpecialCase == Connection.PRESENTATION_RESTRICTED) { 2030 number = context.getString(R.string.private_num); 2031 } else if (cnapSpecialCase == Connection.PRESENTATION_UNKNOWN) { 2032 number = context.getString(R.string.unknown); 2033 } 2034 if (DBG) log("SpecialCnap: number=" + number 2035 + "; presentation now=" + cnapSpecialCase); 2036 ci.numberPresentation = cnapSpecialCase; 2037 } 2038 } 2039 if (DBG) log("modifyForSpecialCnapCases: returning number string=" + number); 2040 return number; 2041 } 2042 2043 // 2044 // Support for 3rd party phone service providers. 2045 // 2046 2047 /** 2048 * Check if all the provider's info is present in the intent. 2049 * @param intent Expected to have the provider's extra. 2050 * @return true if the intent has all the extras to build the 2051 * in-call screen's provider info overlay. 2052 */ 2053 /* package */ static boolean hasPhoneProviderExtras(Intent intent) { 2054 if (null == intent) { 2055 return false; 2056 } 2057 final String name = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE); 2058 final String gatewayUri = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_URI); 2059 2060 return !TextUtils.isEmpty(name) && !TextUtils.isEmpty(gatewayUri); 2061 } 2062 2063 /** 2064 * Copy all the expected extras set when a 3rd party provider is 2065 * used from the source intent to the destination one. Checks all 2066 * the required extras are present, if any is missing, none will 2067 * be copied. 2068 * @param src Intent which may contain the provider's extras. 2069 * @param dst Intent where a copy of the extras will be added if applicable. 2070 */ 2071 /* package */ static void checkAndCopyPhoneProviderExtras(Intent src, Intent dst) { 2072 if (!hasPhoneProviderExtras(src)) { 2073 Log.w(LOG_TAG, "checkAndCopyPhoneProviderExtras: some or all extras are missing."); 2074 return; 2075 } 2076 2077 dst.putExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE, 2078 src.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE)); 2079 dst.putExtra(InCallScreen.EXTRA_GATEWAY_URI, 2080 src.getStringExtra(InCallScreen.EXTRA_GATEWAY_URI)); 2081 } 2082 2083 /** 2084 * Get the provider's label from the intent. 2085 * @param context to lookup the provider's package name. 2086 * @param intent with an extra set to the provider's package name. 2087 * @return The provider's application label. null if an error 2088 * occurred during the lookup of the package name or the label. 2089 */ 2090 /* package */ static CharSequence getProviderLabel(Context context, Intent intent) { 2091 String packageName = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE); 2092 PackageManager pm = context.getPackageManager(); 2093 2094 try { 2095 ApplicationInfo info = pm.getApplicationInfo(packageName, 0); 2096 2097 return pm.getApplicationLabel(info); 2098 } catch (PackageManager.NameNotFoundException e) { 2099 return null; 2100 } 2101 } 2102 2103 /** 2104 * Get the provider's icon. 2105 * @param context to lookup the provider's icon. 2106 * @param intent with an extra set to the provider's package name. 2107 * @return The provider's application icon. null if an error occured during the icon lookup. 2108 */ 2109 /* package */ static Drawable getProviderIcon(Context context, Intent intent) { 2110 String packageName = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE); 2111 PackageManager pm = context.getPackageManager(); 2112 2113 try { 2114 return pm.getApplicationIcon(packageName); 2115 } catch (PackageManager.NameNotFoundException e) { 2116 return null; 2117 } 2118 } 2119 2120 /** 2121 * Return the gateway uri from the intent. 2122 * @param intent With the gateway uri extra. 2123 * @return The gateway URI or null if not found. 2124 */ 2125 /* package */ static Uri getProviderGatewayUri(Intent intent) { 2126 String uri = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_URI); 2127 return TextUtils.isEmpty(uri) ? null : Uri.parse(uri); 2128 } 2129 2130 /** 2131 * Return a formatted version of the uri's scheme specific 2132 * part. E.g for 'tel:12345678', return '1-234-5678'. 2133 * @param uri A 'tel:' URI with the gateway phone number. 2134 * @return the provider's address (from the gateway uri) formatted 2135 * for user display. null if uri was null or its scheme was not 'tel:'. 2136 */ 2137 /* package */ static String formatProviderUri(Uri uri) { 2138 if (null != uri) { 2139 if ("tel".equals(uri.getScheme())) { 2140 return PhoneNumberUtils.formatNumber(uri.getSchemeSpecificPart()); 2141 } else { 2142 return uri.toString(); 2143 } 2144 } 2145 return null; 2146 } 2147 2148 /** 2149 * Check if a phone number can be route through a 3rd party 2150 * gateway. The number must be a global phone number in numerical 2151 * form (1-800-666-SEXY won't work). 2152 * 2153 * MMI codes and the like cannot be used as a dial number for the 2154 * gateway either. 2155 * 2156 * @param number To be dialed via a 3rd party gateway. 2157 * @return true If the number can be routed through the 3rd party network. 2158 */ 2159 /* package */ static boolean isRoutableViaGateway(String number) { 2160 if (TextUtils.isEmpty(number)) { 2161 return false; 2162 } 2163 number = PhoneNumberUtils.stripSeparators(number); 2164 if (!number.equals(PhoneNumberUtils.convertKeypadLettersToDigits(number))) { 2165 return false; 2166 } 2167 number = PhoneNumberUtils.extractNetworkPortion(number); 2168 return PhoneNumberUtils.isGlobalPhoneNumber(number); 2169 } 2170 2171 // 2172 // General phone and call state debugging/testing code 2173 // 2174 2175 /* package */ static void dumpCallState(Phone phone) { 2176 PhoneApp app = PhoneApp.getInstance(); 2177 Log.d(LOG_TAG, "##### dumpCallState()"); 2178 Log.d(LOG_TAG, "- Phone: " + phone + ", name = " + phone.getPhoneName() 2179 + ", state = " + phone.getState()); 2180 Log.d(LOG_TAG, "-"); 2181 2182 Call fgCall = phone.getForegroundCall(); 2183 Log.d(LOG_TAG, "- FG call: " + fgCall); 2184 Log.d(LOG_TAG, "- state: " + fgCall.getState()); 2185 Log.d(LOG_TAG, "- isAlive(): " + fgCall.getState().isAlive()); 2186 Log.d(LOG_TAG, "- isRinging(): " + fgCall.getState().isRinging()); 2187 Log.d(LOG_TAG, "- isDialing(): " + fgCall.getState().isDialing()); 2188 Log.d(LOG_TAG, "- isIdle(): " + fgCall.isIdle()); 2189 Log.d(LOG_TAG, "- hasConnections: " + fgCall.hasConnections()); 2190 Log.d(LOG_TAG, "-"); 2191 2192 Call bgCall = phone.getBackgroundCall(); 2193 Log.d(LOG_TAG, "- BG call: " + bgCall); 2194 Log.d(LOG_TAG, "- state: " + bgCall.getState()); 2195 Log.d(LOG_TAG, "- isAlive(): " + bgCall.getState().isAlive()); 2196 Log.d(LOG_TAG, "- isRinging(): " + bgCall.getState().isRinging()); 2197 Log.d(LOG_TAG, "- isDialing(): " + bgCall.getState().isDialing()); 2198 Log.d(LOG_TAG, "- isIdle(): " + bgCall.isIdle()); 2199 Log.d(LOG_TAG, "- hasConnections: " + bgCall.hasConnections()); 2200 Log.d(LOG_TAG, "-"); 2201 2202 Call ringingCall = phone.getRingingCall(); 2203 Log.d(LOG_TAG, "- RINGING call: " + ringingCall); 2204 Log.d(LOG_TAG, "- state: " + ringingCall.getState()); 2205 Log.d(LOG_TAG, "- isAlive(): " + ringingCall.getState().isAlive()); 2206 Log.d(LOG_TAG, "- isRinging(): " + ringingCall.getState().isRinging()); 2207 Log.d(LOG_TAG, "- isDialing(): " + ringingCall.getState().isDialing()); 2208 Log.d(LOG_TAG, "- isIdle(): " + ringingCall.isIdle()); 2209 Log.d(LOG_TAG, "- hasConnections: " + ringingCall.hasConnections()); 2210 Log.d(LOG_TAG, "-"); 2211 2212 final boolean hasRingingCall = !phone.getRingingCall().isIdle(); 2213 final boolean hasActiveCall = !phone.getForegroundCall().isIdle(); 2214 final boolean hasHoldingCall = !phone.getBackgroundCall().isIdle(); 2215 final boolean allLinesTaken = hasActiveCall && hasHoldingCall; 2216 Log.d(LOG_TAG, "- hasRingingCall: " + hasRingingCall); 2217 Log.d(LOG_TAG, "- hasActiveCall: " + hasActiveCall); 2218 Log.d(LOG_TAG, "- hasHoldingCall: " + hasHoldingCall); 2219 Log.d(LOG_TAG, "- allLinesTaken: " + allLinesTaken); 2220 2221 // On CDMA phones, dump out the CdmaPhoneCallState too: 2222 if (phone.getPhoneType() == Phone.PHONE_TYPE_CDMA) { 2223 if (app.cdmaPhoneCallState != null) { 2224 Log.d(LOG_TAG, "- CDMA current call state: " 2225 + app.cdmaPhoneCallState.getCurrentCallState()); 2226 } else { 2227 Log.d(LOG_TAG, "- CDMA device, but null cdmaPhoneCallState!"); 2228 } 2229 } 2230 2231 // Watch out: the isRinging() call below does NOT tell us anything 2232 // about the state of the telephony layer; it merely tells us whether 2233 // the Ringer manager is currently playing the ringtone. 2234 boolean ringing = app.getRinger().isRinging(); 2235 Log.d(LOG_TAG, "- ringing (Ringer manager state): " + ringing); 2236 Log.d(LOG_TAG, "-----"); 2237 } 2238 2239 private static void log(String msg) { 2240 Log.d(LOG_TAG, msg); 2241 } 2242} 2243