1 /* 2 * Copyright (C) 2014 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 android.telecom; 18 19 import android.annotation.SdkConstant; 20 import android.app.Service; 21 import android.content.ComponentName; 22 import android.content.Intent; 23 import android.net.Uri; 24 import android.os.Bundle; 25 import android.os.Handler; 26 import android.os.IBinder; 27 import android.os.Looper; 28 import android.os.Message; 29 30 import com.android.internal.os.SomeArgs; 31 import com.android.internal.telecom.IConnectionService; 32 import com.android.internal.telecom.IConnectionServiceAdapter; 33 import com.android.internal.telecom.RemoteServiceCallback; 34 35 import java.util.ArrayList; 36 import java.util.Collection; 37 import java.util.Collections; 38 import java.util.List; 39 import java.util.Map; 40 import java.util.UUID; 41 import java.util.concurrent.ConcurrentHashMap; 42 43 /** 44 * An abstract service that should be implemented by any apps which can make phone calls (VoIP or 45 * otherwise) and want those calls to be integrated into the built-in phone app. 46 * Once implemented, the {@code ConnectionService} needs two additional steps before it will be 47 * integrated into the phone app: 48 * <p> 49 * 1. <i>Registration in AndroidManifest.xml</i> 50 * <br/> 51 * <pre> 52 * <service android:name="com.example.package.MyConnectionService" 53 * android:label="@string/some_label_for_my_connection_service" 54 * android:permission="android.permission.BIND_TELECOM_CONNECTION_SERVICE"> 55 * <intent-filter> 56 * <action android:name="android.telecom.ConnectionService" /> 57 * </intent-filter> 58 * </service> 59 * </pre> 60 * <p> 61 * 2. <i> Registration of {@link PhoneAccount} with {@link TelecomManager}.</i> 62 * <br/> 63 * See {@link PhoneAccount} and {@link TelecomManager#registerPhoneAccount} for more information. 64 * <p> 65 * Once registered and enabled by the user in the phone app settings, telecom will bind to a 66 * {@code ConnectionService} implementation when it wants that {@code ConnectionService} to place 67 * a call or the service has indicated that is has an incoming call through 68 * {@link TelecomManager#addNewIncomingCall}. The {@code ConnectionService} can then expect a call 69 * to {@link #onCreateIncomingConnection} or {@link #onCreateOutgoingConnection} wherein it 70 * should provide a new instance of a {@link Connection} object. It is through this 71 * {@link Connection} object that telecom receives state updates and the {@code ConnectionService} 72 * receives call-commands such as answer, reject, hold and disconnect. 73 * <p> 74 * When there are no more live calls, telecom will unbind from the {@code ConnectionService}. 75 */ 76 public abstract class ConnectionService extends Service { 77 /** 78 * The {@link Intent} that must be declared as handled by the service. 79 */ 80 @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION) 81 public static final String SERVICE_INTERFACE = "android.telecom.ConnectionService"; 82 83 // Flag controlling whether PII is emitted into the logs 84 private static final boolean PII_DEBUG = Log.isLoggable(android.util.Log.DEBUG); 85 86 private static final int MSG_ADD_CONNECTION_SERVICE_ADAPTER = 1; 87 private static final int MSG_CREATE_CONNECTION = 2; 88 private static final int MSG_ABORT = 3; 89 private static final int MSG_ANSWER = 4; 90 private static final int MSG_REJECT = 5; 91 private static final int MSG_DISCONNECT = 6; 92 private static final int MSG_HOLD = 7; 93 private static final int MSG_UNHOLD = 8; 94 private static final int MSG_ON_CALL_AUDIO_STATE_CHANGED = 9; 95 private static final int MSG_PLAY_DTMF_TONE = 10; 96 private static final int MSG_STOP_DTMF_TONE = 11; 97 private static final int MSG_CONFERENCE = 12; 98 private static final int MSG_SPLIT_FROM_CONFERENCE = 13; 99 private static final int MSG_ON_POST_DIAL_CONTINUE = 14; 100 private static final int MSG_REMOVE_CONNECTION_SERVICE_ADAPTER = 16; 101 private static final int MSG_ANSWER_VIDEO = 17; 102 private static final int MSG_MERGE_CONFERENCE = 18; 103 private static final int MSG_SWAP_CONFERENCE = 19; 104 105 private static Connection sNullConnection; 106 107 private final Map<String, Connection> mConnectionById = new ConcurrentHashMap<>(); 108 private final Map<Connection, String> mIdByConnection = new ConcurrentHashMap<>(); 109 private final Map<String, Conference> mConferenceById = new ConcurrentHashMap<>(); 110 private final Map<Conference, String> mIdByConference = new ConcurrentHashMap<>(); 111 private final RemoteConnectionManager mRemoteConnectionManager = 112 new RemoteConnectionManager(this); 113 private final List<Runnable> mPreInitializationConnectionRequests = new ArrayList<>(); 114 private final ConnectionServiceAdapter mAdapter = new ConnectionServiceAdapter(); 115 116 private boolean mAreAccountsInitialized = false; 117 private Conference sNullConference; 118 119 private final IBinder mBinder = new IConnectionService.Stub() { 120 @Override 121 public void addConnectionServiceAdapter(IConnectionServiceAdapter adapter) { 122 mHandler.obtainMessage(MSG_ADD_CONNECTION_SERVICE_ADAPTER, adapter).sendToTarget(); 123 } 124 125 public void removeConnectionServiceAdapter(IConnectionServiceAdapter adapter) { 126 mHandler.obtainMessage(MSG_REMOVE_CONNECTION_SERVICE_ADAPTER, adapter).sendToTarget(); 127 } 128 129 @Override 130 public void createConnection( 131 PhoneAccountHandle connectionManagerPhoneAccount, 132 String id, 133 ConnectionRequest request, 134 boolean isIncoming, 135 boolean isUnknown) { 136 SomeArgs args = SomeArgs.obtain(); 137 args.arg1 = connectionManagerPhoneAccount; 138 args.arg2 = id; 139 args.arg3 = request; 140 args.argi1 = isIncoming ? 1 : 0; 141 args.argi2 = isUnknown ? 1 : 0; 142 mHandler.obtainMessage(MSG_CREATE_CONNECTION, args).sendToTarget(); 143 } 144 145 @Override 146 public void abort(String callId) { 147 mHandler.obtainMessage(MSG_ABORT, callId).sendToTarget(); 148 } 149 150 @Override 151 public void answerVideo(String callId, int videoState) { 152 SomeArgs args = SomeArgs.obtain(); 153 args.arg1 = callId; 154 args.argi1 = videoState; 155 mHandler.obtainMessage(MSG_ANSWER_VIDEO, args).sendToTarget(); 156 } 157 158 @Override 159 public void answer(String callId) { 160 mHandler.obtainMessage(MSG_ANSWER, callId).sendToTarget(); 161 } 162 163 @Override 164 public void reject(String callId) { 165 mHandler.obtainMessage(MSG_REJECT, callId).sendToTarget(); 166 } 167 168 @Override 169 public void disconnect(String callId) { 170 mHandler.obtainMessage(MSG_DISCONNECT, callId).sendToTarget(); 171 } 172 173 @Override 174 public void hold(String callId) { 175 mHandler.obtainMessage(MSG_HOLD, callId).sendToTarget(); 176 } 177 178 @Override 179 public void unhold(String callId) { 180 mHandler.obtainMessage(MSG_UNHOLD, callId).sendToTarget(); 181 } 182 183 @Override 184 public void onCallAudioStateChanged(String callId, CallAudioState callAudioState) { 185 SomeArgs args = SomeArgs.obtain(); 186 args.arg1 = callId; 187 args.arg2 = callAudioState; 188 mHandler.obtainMessage(MSG_ON_CALL_AUDIO_STATE_CHANGED, args).sendToTarget(); 189 } 190 191 @Override 192 public void playDtmfTone(String callId, char digit) { 193 mHandler.obtainMessage(MSG_PLAY_DTMF_TONE, digit, 0, callId).sendToTarget(); 194 } 195 196 @Override 197 public void stopDtmfTone(String callId) { 198 mHandler.obtainMessage(MSG_STOP_DTMF_TONE, callId).sendToTarget(); 199 } 200 201 @Override 202 public void conference(String callId1, String callId2) { 203 SomeArgs args = SomeArgs.obtain(); 204 args.arg1 = callId1; 205 args.arg2 = callId2; 206 mHandler.obtainMessage(MSG_CONFERENCE, args).sendToTarget(); 207 } 208 209 @Override 210 public void splitFromConference(String callId) { 211 mHandler.obtainMessage(MSG_SPLIT_FROM_CONFERENCE, callId).sendToTarget(); 212 } 213 214 @Override 215 public void mergeConference(String callId) { 216 mHandler.obtainMessage(MSG_MERGE_CONFERENCE, callId).sendToTarget(); 217 } 218 219 @Override 220 public void swapConference(String callId) { 221 mHandler.obtainMessage(MSG_SWAP_CONFERENCE, callId).sendToTarget(); 222 } 223 224 @Override 225 public void onPostDialContinue(String callId, boolean proceed) { 226 SomeArgs args = SomeArgs.obtain(); 227 args.arg1 = callId; 228 args.argi1 = proceed ? 1 : 0; 229 mHandler.obtainMessage(MSG_ON_POST_DIAL_CONTINUE, args).sendToTarget(); 230 } 231 }; 232 233 private final Handler mHandler = new Handler(Looper.getMainLooper()) { 234 @Override 235 public void handleMessage(Message msg) { 236 switch (msg.what) { 237 case MSG_ADD_CONNECTION_SERVICE_ADAPTER: 238 mAdapter.addAdapter((IConnectionServiceAdapter) msg.obj); 239 onAdapterAttached(); 240 break; 241 case MSG_REMOVE_CONNECTION_SERVICE_ADAPTER: 242 mAdapter.removeAdapter((IConnectionServiceAdapter) msg.obj); 243 break; 244 case MSG_CREATE_CONNECTION: { 245 SomeArgs args = (SomeArgs) msg.obj; 246 try { 247 final PhoneAccountHandle connectionManagerPhoneAccount = 248 (PhoneAccountHandle) args.arg1; 249 final String id = (String) args.arg2; 250 final ConnectionRequest request = (ConnectionRequest) args.arg3; 251 final boolean isIncoming = args.argi1 == 1; 252 final boolean isUnknown = args.argi2 == 1; 253 if (!mAreAccountsInitialized) { 254 Log.d(this, "Enqueueing pre-init request %s", id); 255 mPreInitializationConnectionRequests.add(new Runnable() { 256 @Override 257 public void run() { 258 createConnection( 259 connectionManagerPhoneAccount, 260 id, 261 request, 262 isIncoming, 263 isUnknown); 264 } 265 }); 266 } else { 267 createConnection( 268 connectionManagerPhoneAccount, 269 id, 270 request, 271 isIncoming, 272 isUnknown); 273 } 274 } finally { 275 args.recycle(); 276 } 277 break; 278 } 279 case MSG_ABORT: 280 abort((String) msg.obj); 281 break; 282 case MSG_ANSWER: 283 answer((String) msg.obj); 284 break; 285 case MSG_ANSWER_VIDEO: { 286 SomeArgs args = (SomeArgs) msg.obj; 287 try { 288 String callId = (String) args.arg1; 289 int videoState = args.argi1; 290 answerVideo(callId, videoState); 291 } finally { 292 args.recycle(); 293 } 294 break; 295 } 296 case MSG_REJECT: 297 reject((String) msg.obj); 298 break; 299 case MSG_DISCONNECT: 300 disconnect((String) msg.obj); 301 break; 302 case MSG_HOLD: 303 hold((String) msg.obj); 304 break; 305 case MSG_UNHOLD: 306 unhold((String) msg.obj); 307 break; 308 case MSG_ON_CALL_AUDIO_STATE_CHANGED: { 309 SomeArgs args = (SomeArgs) msg.obj; 310 try { 311 String callId = (String) args.arg1; 312 CallAudioState audioState = (CallAudioState) args.arg2; 313 onCallAudioStateChanged(callId, new CallAudioState(audioState)); 314 } finally { 315 args.recycle(); 316 } 317 break; 318 } 319 case MSG_PLAY_DTMF_TONE: 320 playDtmfTone((String) msg.obj, (char) msg.arg1); 321 break; 322 case MSG_STOP_DTMF_TONE: 323 stopDtmfTone((String) msg.obj); 324 break; 325 case MSG_CONFERENCE: { 326 SomeArgs args = (SomeArgs) msg.obj; 327 try { 328 String callId1 = (String) args.arg1; 329 String callId2 = (String) args.arg2; 330 conference(callId1, callId2); 331 } finally { 332 args.recycle(); 333 } 334 break; 335 } 336 case MSG_SPLIT_FROM_CONFERENCE: 337 splitFromConference((String) msg.obj); 338 break; 339 case MSG_MERGE_CONFERENCE: 340 mergeConference((String) msg.obj); 341 break; 342 case MSG_SWAP_CONFERENCE: 343 swapConference((String) msg.obj); 344 break; 345 case MSG_ON_POST_DIAL_CONTINUE: { 346 SomeArgs args = (SomeArgs) msg.obj; 347 try { 348 String callId = (String) args.arg1; 349 boolean proceed = (args.argi1 == 1); 350 onPostDialContinue(callId, proceed); 351 } finally { 352 args.recycle(); 353 } 354 break; 355 } 356 default: 357 break; 358 } 359 } 360 }; 361 362 private final Conference.Listener mConferenceListener = new Conference.Listener() { 363 @Override 364 public void onStateChanged(Conference conference, int oldState, int newState) { 365 String id = mIdByConference.get(conference); 366 switch (newState) { 367 case Connection.STATE_ACTIVE: 368 mAdapter.setActive(id); 369 break; 370 case Connection.STATE_HOLDING: 371 mAdapter.setOnHold(id); 372 break; 373 case Connection.STATE_DISCONNECTED: 374 // handled by onDisconnected 375 break; 376 } 377 } 378 379 @Override 380 public void onDisconnected(Conference conference, DisconnectCause disconnectCause) { 381 String id = mIdByConference.get(conference); 382 mAdapter.setDisconnected(id, disconnectCause); 383 } 384 385 @Override 386 public void onConnectionAdded(Conference conference, Connection connection) { 387 } 388 389 @Override 390 public void onConnectionRemoved(Conference conference, Connection connection) { 391 } 392 393 @Override 394 public void onConferenceableConnectionsChanged( 395 Conference conference, List<Connection> conferenceableConnections) { 396 mAdapter.setConferenceableConnections( 397 mIdByConference.get(conference), 398 createConnectionIdList(conferenceableConnections)); 399 } 400 401 @Override 402 public void onDestroyed(Conference conference) { 403 removeConference(conference); 404 } 405 406 @Override 407 public void onConnectionCapabilitiesChanged( 408 Conference conference, 409 int connectionCapabilities) { 410 String id = mIdByConference.get(conference); 411 Log.d(this, "call capabilities: conference: %s", 412 Connection.capabilitiesToString(connectionCapabilities)); 413 mAdapter.setConnectionCapabilities(id, connectionCapabilities); 414 } 415 416 @Override 417 public void onVideoStateChanged(Conference c, int videoState) { 418 String id = mIdByConference.get(c); 419 Log.d(this, "onVideoStateChanged set video state %d", videoState); 420 mAdapter.setVideoState(id, videoState); 421 } 422 423 @Override 424 public void onVideoProviderChanged(Conference c, Connection.VideoProvider videoProvider) { 425 String id = mIdByConference.get(c); 426 Log.d(this, "onVideoProviderChanged: Connection: %s, VideoProvider: %s", c, 427 videoProvider); 428 mAdapter.setVideoProvider(id, videoProvider); 429 } 430 431 @Override 432 public void onStatusHintsChanged(Conference conference, StatusHints statusHints) { 433 String id = mIdByConference.get(conference); 434 mAdapter.setStatusHints(id, statusHints); 435 } 436 437 @Override 438 public void onExtrasChanged(Conference conference, Bundle extras) { 439 String id = mIdByConference.get(conference); 440 mAdapter.setExtras(id, extras); 441 } 442 }; 443 444 private final Connection.Listener mConnectionListener = new Connection.Listener() { 445 @Override 446 public void onStateChanged(Connection c, int state) { 447 String id = mIdByConnection.get(c); 448 Log.d(this, "Adapter set state %s %s", id, Connection.stateToString(state)); 449 switch (state) { 450 case Connection.STATE_ACTIVE: 451 mAdapter.setActive(id); 452 break; 453 case Connection.STATE_DIALING: 454 mAdapter.setDialing(id); 455 break; 456 case Connection.STATE_DISCONNECTED: 457 // Handled in onDisconnected() 458 break; 459 case Connection.STATE_HOLDING: 460 mAdapter.setOnHold(id); 461 break; 462 case Connection.STATE_NEW: 463 // Nothing to tell Telecom 464 break; 465 case Connection.STATE_RINGING: 466 mAdapter.setRinging(id); 467 break; 468 } 469 } 470 471 @Override 472 public void onDisconnected(Connection c, DisconnectCause disconnectCause) { 473 String id = mIdByConnection.get(c); 474 Log.d(this, "Adapter set disconnected %s", disconnectCause); 475 mAdapter.setDisconnected(id, disconnectCause); 476 } 477 478 @Override 479 public void onVideoStateChanged(Connection c, int videoState) { 480 String id = mIdByConnection.get(c); 481 Log.d(this, "Adapter set video state %d", videoState); 482 mAdapter.setVideoState(id, videoState); 483 } 484 485 @Override 486 public void onAddressChanged(Connection c, Uri address, int presentation) { 487 String id = mIdByConnection.get(c); 488 mAdapter.setAddress(id, address, presentation); 489 } 490 491 @Override 492 public void onCallerDisplayNameChanged( 493 Connection c, String callerDisplayName, int presentation) { 494 String id = mIdByConnection.get(c); 495 mAdapter.setCallerDisplayName(id, callerDisplayName, presentation); 496 } 497 498 @Override 499 public void onDestroyed(Connection c) { 500 removeConnection(c); 501 } 502 503 @Override 504 public void onPostDialWait(Connection c, String remaining) { 505 String id = mIdByConnection.get(c); 506 Log.d(this, "Adapter onPostDialWait %s, %s", c, remaining); 507 mAdapter.onPostDialWait(id, remaining); 508 } 509 510 @Override 511 public void onPostDialChar(Connection c, char nextChar) { 512 String id = mIdByConnection.get(c); 513 Log.d(this, "Adapter onPostDialChar %s, %s", c, nextChar); 514 mAdapter.onPostDialChar(id, nextChar); 515 } 516 517 @Override 518 public void onRingbackRequested(Connection c, boolean ringback) { 519 String id = mIdByConnection.get(c); 520 Log.d(this, "Adapter onRingback %b", ringback); 521 mAdapter.setRingbackRequested(id, ringback); 522 } 523 524 @Override 525 public void onConnectionCapabilitiesChanged(Connection c, int capabilities) { 526 String id = mIdByConnection.get(c); 527 Log.d(this, "capabilities: parcelableconnection: %s", 528 Connection.capabilitiesToString(capabilities)); 529 mAdapter.setConnectionCapabilities(id, capabilities); 530 } 531 532 @Override 533 public void onVideoProviderChanged(Connection c, Connection.VideoProvider videoProvider) { 534 String id = mIdByConnection.get(c); 535 Log.d(this, "onVideoProviderChanged: Connection: %s, VideoProvider: %s", c, 536 videoProvider); 537 mAdapter.setVideoProvider(id, videoProvider); 538 } 539 540 @Override 541 public void onAudioModeIsVoipChanged(Connection c, boolean isVoip) { 542 String id = mIdByConnection.get(c); 543 mAdapter.setIsVoipAudioMode(id, isVoip); 544 } 545 546 @Override 547 public void onStatusHintsChanged(Connection c, StatusHints statusHints) { 548 String id = mIdByConnection.get(c); 549 mAdapter.setStatusHints(id, statusHints); 550 } 551 552 @Override 553 public void onConferenceablesChanged( 554 Connection connection, List<Conferenceable> conferenceables) { 555 mAdapter.setConferenceableConnections( 556 mIdByConnection.get(connection), 557 createIdList(conferenceables)); 558 } 559 560 @Override 561 public void onConferenceChanged(Connection connection, Conference conference) { 562 String id = mIdByConnection.get(connection); 563 if (id != null) { 564 String conferenceId = null; 565 if (conference != null) { 566 conferenceId = mIdByConference.get(conference); 567 } 568 mAdapter.setIsConferenced(id, conferenceId); 569 } 570 } 571 572 @Override 573 public void onConferenceMergeFailed(Connection connection) { 574 String id = mIdByConnection.get(connection); 575 if (id != null) { 576 mAdapter.onConferenceMergeFailed(id); 577 } 578 } 579 580 @Override 581 public void onExtrasChanged(Connection connection, Bundle extras) { 582 String id = mIdByConnection.get(connection); 583 if (id != null) { 584 mAdapter.setExtras(id, extras); 585 } 586 } 587 }; 588 589 /** {@inheritDoc} */ 590 @Override 591 public final IBinder onBind(Intent intent) { 592 return mBinder; 593 } 594 595 /** {@inheritDoc} */ 596 @Override 597 public boolean onUnbind(Intent intent) { 598 endAllConnections(); 599 return super.onUnbind(intent); 600 } 601 602 /** 603 * This can be used by telecom to either create a new outgoing call or attach to an existing 604 * incoming call. In either case, telecom will cycle through a set of services and call 605 * createConnection util a connection service cancels the process or completes it successfully. 606 */ 607 private void createConnection( 608 final PhoneAccountHandle callManagerAccount, 609 final String callId, 610 final ConnectionRequest request, 611 boolean isIncoming, 612 boolean isUnknown) { 613 Log.d(this, "createConnection, callManagerAccount: %s, callId: %s, request: %s, " + 614 "isIncoming: %b, isUnknown: %b", callManagerAccount, callId, request, isIncoming, 615 isUnknown); 616 617 Connection connection = isUnknown ? onCreateUnknownConnection(callManagerAccount, request) 618 : isIncoming ? onCreateIncomingConnection(callManagerAccount, request) 619 : onCreateOutgoingConnection(callManagerAccount, request); 620 Log.d(this, "createConnection, connection: %s", connection); 621 if (connection == null) { 622 connection = Connection.createFailedConnection( 623 new DisconnectCause(DisconnectCause.ERROR)); 624 } 625 626 if (connection.getState() != Connection.STATE_DISCONNECTED) { 627 addConnection(callId, connection); 628 } 629 630 Uri address = connection.getAddress(); 631 String number = address == null ? "null" : address.getSchemeSpecificPart(); 632 Log.v(this, "createConnection, number: %s, state: %s, capabilities: %s", 633 Connection.toLogSafePhoneNumber(number), 634 Connection.stateToString(connection.getState()), 635 Connection.capabilitiesToString(connection.getConnectionCapabilities())); 636 637 Log.d(this, "createConnection, calling handleCreateConnectionSuccessful %s", callId); 638 mAdapter.handleCreateConnectionComplete( 639 callId, 640 request, 641 new ParcelableConnection( 642 request.getAccountHandle(), 643 connection.getState(), 644 connection.getConnectionCapabilities(), 645 connection.getAddress(), 646 connection.getAddressPresentation(), 647 connection.getCallerDisplayName(), 648 connection.getCallerDisplayNamePresentation(), 649 connection.getVideoProvider() == null ? 650 null : connection.getVideoProvider().getInterface(), 651 connection.getVideoState(), 652 connection.isRingbackRequested(), 653 connection.getAudioModeIsVoip(), 654 connection.getConnectTimeMillis(), 655 connection.getStatusHints(), 656 connection.getDisconnectCause(), 657 createIdList(connection.getConferenceables()), 658 connection.getExtras())); 659 } 660 661 private void abort(String callId) { 662 Log.d(this, "abort %s", callId); 663 findConnectionForAction(callId, "abort").onAbort(); 664 } 665 666 private void answerVideo(String callId, int videoState) { 667 Log.d(this, "answerVideo %s", callId); 668 findConnectionForAction(callId, "answer").onAnswer(videoState); 669 } 670 671 private void answer(String callId) { 672 Log.d(this, "answer %s", callId); 673 findConnectionForAction(callId, "answer").onAnswer(); 674 } 675 676 private void reject(String callId) { 677 Log.d(this, "reject %s", callId); 678 findConnectionForAction(callId, "reject").onReject(); 679 } 680 681 private void disconnect(String callId) { 682 Log.d(this, "disconnect %s", callId); 683 if (mConnectionById.containsKey(callId)) { 684 findConnectionForAction(callId, "disconnect").onDisconnect(); 685 } else { 686 findConferenceForAction(callId, "disconnect").onDisconnect(); 687 } 688 } 689 690 private void hold(String callId) { 691 Log.d(this, "hold %s", callId); 692 if (mConnectionById.containsKey(callId)) { 693 findConnectionForAction(callId, "hold").onHold(); 694 } else { 695 findConferenceForAction(callId, "hold").onHold(); 696 } 697 } 698 699 private void unhold(String callId) { 700 Log.d(this, "unhold %s", callId); 701 if (mConnectionById.containsKey(callId)) { 702 findConnectionForAction(callId, "unhold").onUnhold(); 703 } else { 704 findConferenceForAction(callId, "unhold").onUnhold(); 705 } 706 } 707 708 private void onCallAudioStateChanged(String callId, CallAudioState callAudioState) { 709 Log.d(this, "onAudioStateChanged %s %s", callId, callAudioState); 710 if (mConnectionById.containsKey(callId)) { 711 findConnectionForAction(callId, "onCallAudioStateChanged").setCallAudioState( 712 callAudioState); 713 } else { 714 findConferenceForAction(callId, "onCallAudioStateChanged").setCallAudioState( 715 callAudioState); 716 } 717 } 718 719 private void playDtmfTone(String callId, char digit) { 720 Log.d(this, "playDtmfTone %s %c", callId, digit); 721 if (mConnectionById.containsKey(callId)) { 722 findConnectionForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 723 } else { 724 findConferenceForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 725 } 726 } 727 728 private void stopDtmfTone(String callId) { 729 Log.d(this, "stopDtmfTone %s", callId); 730 if (mConnectionById.containsKey(callId)) { 731 findConnectionForAction(callId, "stopDtmfTone").onStopDtmfTone(); 732 } else { 733 findConferenceForAction(callId, "stopDtmfTone").onStopDtmfTone(); 734 } 735 } 736 737 private void conference(String callId1, String callId2) { 738 Log.d(this, "conference %s, %s", callId1, callId2); 739 740 // Attempt to get second connection or conference. 741 Connection connection2 = findConnectionForAction(callId2, "conference"); 742 Conference conference2 = getNullConference(); 743 if (connection2 == getNullConnection()) { 744 conference2 = findConferenceForAction(callId2, "conference"); 745 if (conference2 == getNullConference()) { 746 Log.w(this, "Connection2 or Conference2 missing in conference request %s.", 747 callId2); 748 return; 749 } 750 } 751 752 // Attempt to get first connection or conference and perform merge. 753 Connection connection1 = findConnectionForAction(callId1, "conference"); 754 if (connection1 == getNullConnection()) { 755 Conference conference1 = findConferenceForAction(callId1, "addConnection"); 756 if (conference1 == getNullConference()) { 757 Log.w(this, 758 "Connection1 or Conference1 missing in conference request %s.", 759 callId1); 760 } else { 761 // Call 1 is a conference. 762 if (connection2 != getNullConnection()) { 763 // Call 2 is a connection so merge via call 1 (conference). 764 conference1.onMerge(connection2); 765 } else { 766 // Call 2 is ALSO a conference; this should never happen. 767 Log.wtf(this, "There can only be one conference and an attempt was made to " + 768 "merge two conferences."); 769 return; 770 } 771 } 772 } else { 773 // Call 1 is a connection. 774 if (conference2 != getNullConference()) { 775 // Call 2 is a conference, so merge via call 2. 776 conference2.onMerge(connection1); 777 } else { 778 // Call 2 is a connection, so merge together. 779 onConference(connection1, connection2); 780 } 781 } 782 } 783 784 private void splitFromConference(String callId) { 785 Log.d(this, "splitFromConference(%s)", callId); 786 787 Connection connection = findConnectionForAction(callId, "splitFromConference"); 788 if (connection == getNullConnection()) { 789 Log.w(this, "Connection missing in conference request %s.", callId); 790 return; 791 } 792 793 Conference conference = connection.getConference(); 794 if (conference != null) { 795 conference.onSeparate(connection); 796 } 797 } 798 799 private void mergeConference(String callId) { 800 Log.d(this, "mergeConference(%s)", callId); 801 Conference conference = findConferenceForAction(callId, "mergeConference"); 802 if (conference != null) { 803 conference.onMerge(); 804 } 805 } 806 807 private void swapConference(String callId) { 808 Log.d(this, "swapConference(%s)", callId); 809 Conference conference = findConferenceForAction(callId, "swapConference"); 810 if (conference != null) { 811 conference.onSwap(); 812 } 813 } 814 815 private void onPostDialContinue(String callId, boolean proceed) { 816 Log.d(this, "onPostDialContinue(%s)", callId); 817 findConnectionForAction(callId, "stopDtmfTone").onPostDialContinue(proceed); 818 } 819 820 private void onAdapterAttached() { 821 if (mAreAccountsInitialized) { 822 // No need to query again if we already did it. 823 return; 824 } 825 826 mAdapter.queryRemoteConnectionServices(new RemoteServiceCallback.Stub() { 827 @Override 828 public void onResult( 829 final List<ComponentName> componentNames, 830 final List<IBinder> services) { 831 mHandler.post(new Runnable() { 832 @Override 833 public void run() { 834 for (int i = 0; i < componentNames.size() && i < services.size(); i++) { 835 mRemoteConnectionManager.addConnectionService( 836 componentNames.get(i), 837 IConnectionService.Stub.asInterface(services.get(i))); 838 } 839 onAccountsInitialized(); 840 Log.d(this, "remote connection services found: " + services); 841 } 842 }); 843 } 844 845 @Override 846 public void onError() { 847 mHandler.post(new Runnable() { 848 @Override 849 public void run() { 850 mAreAccountsInitialized = true; 851 } 852 }); 853 } 854 }); 855 } 856 857 /** 858 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 859 * incoming request. This is used by {@code ConnectionService}s that are registered with 860 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to manage 861 * SIM-based incoming calls. 862 * 863 * @param connectionManagerPhoneAccount See description at 864 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 865 * @param request Details about the incoming call. 866 * @return The {@code Connection} object to satisfy this call, or {@code null} to 867 * not handle the call. 868 */ 869 public final RemoteConnection createRemoteIncomingConnection( 870 PhoneAccountHandle connectionManagerPhoneAccount, 871 ConnectionRequest request) { 872 return mRemoteConnectionManager.createRemoteConnection( 873 connectionManagerPhoneAccount, request, true); 874 } 875 876 /** 877 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 878 * outgoing request. This is used by {@code ConnectionService}s that are registered with 879 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to use the 880 * SIM-based {@code ConnectionService} to place its outgoing calls. 881 * 882 * @param connectionManagerPhoneAccount See description at 883 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 884 * @param request Details about the incoming call. 885 * @return The {@code Connection} object to satisfy this call, or {@code null} to 886 * not handle the call. 887 */ 888 public final RemoteConnection createRemoteOutgoingConnection( 889 PhoneAccountHandle connectionManagerPhoneAccount, 890 ConnectionRequest request) { 891 return mRemoteConnectionManager.createRemoteConnection( 892 connectionManagerPhoneAccount, request, false); 893 } 894 895 /** 896 * Indicates to the relevant {@code RemoteConnectionService} that the specified 897 * {@link RemoteConnection}s should be merged into a conference call. 898 * <p> 899 * If the conference request is successful, the method {@link #onRemoteConferenceAdded} will 900 * be invoked. 901 * 902 * @param remoteConnection1 The first of the remote connections to conference. 903 * @param remoteConnection2 The second of the remote connections to conference. 904 */ 905 public final void conferenceRemoteConnections( 906 RemoteConnection remoteConnection1, 907 RemoteConnection remoteConnection2) { 908 mRemoteConnectionManager.conferenceRemoteConnections(remoteConnection1, remoteConnection2); 909 } 910 911 /** 912 * Adds a new conference call. When a conference call is created either as a result of an 913 * explicit request via {@link #onConference} or otherwise, the connection service should supply 914 * an instance of {@link Conference} by invoking this method. A conference call provided by this 915 * method will persist until {@link Conference#destroy} is invoked on the conference instance. 916 * 917 * @param conference The new conference object. 918 */ 919 public final void addConference(Conference conference) { 920 Log.d(this, "addConference: conference=%s", conference); 921 922 String id = addConferenceInternal(conference); 923 if (id != null) { 924 List<String> connectionIds = new ArrayList<>(2); 925 for (Connection connection : conference.getConnections()) { 926 if (mIdByConnection.containsKey(connection)) { 927 connectionIds.add(mIdByConnection.get(connection)); 928 } 929 } 930 ParcelableConference parcelableConference = new ParcelableConference( 931 conference.getPhoneAccountHandle(), 932 conference.getState(), 933 conference.getConnectionCapabilities(), 934 connectionIds, 935 conference.getVideoProvider() == null ? 936 null : conference.getVideoProvider().getInterface(), 937 conference.getVideoState(), 938 conference.getConnectTimeMillis(), 939 conference.getStatusHints(), 940 conference.getExtras()); 941 942 mAdapter.addConferenceCall(id, parcelableConference); 943 mAdapter.setVideoProvider(id, conference.getVideoProvider()); 944 mAdapter.setVideoState(id, conference.getVideoState()); 945 946 // Go through any child calls and set the parent. 947 for (Connection connection : conference.getConnections()) { 948 String connectionId = mIdByConnection.get(connection); 949 if (connectionId != null) { 950 mAdapter.setIsConferenced(connectionId, id); 951 } 952 } 953 } 954 } 955 956 /** 957 * Adds a connection created by the {@link ConnectionService} and informs telecom of the new 958 * connection. 959 * 960 * @param phoneAccountHandle The phone account handle for the connection. 961 * @param connection The connection to add. 962 */ 963 public final void addExistingConnection(PhoneAccountHandle phoneAccountHandle, 964 Connection connection) { 965 966 String id = addExistingConnectionInternal(connection); 967 if (id != null) { 968 List<String> emptyList = new ArrayList<>(0); 969 970 ParcelableConnection parcelableConnection = new ParcelableConnection( 971 phoneAccountHandle, 972 connection.getState(), 973 connection.getConnectionCapabilities(), 974 connection.getAddress(), 975 connection.getAddressPresentation(), 976 connection.getCallerDisplayName(), 977 connection.getCallerDisplayNamePresentation(), 978 connection.getVideoProvider() == null ? 979 null : connection.getVideoProvider().getInterface(), 980 connection.getVideoState(), 981 connection.isRingbackRequested(), 982 connection.getAudioModeIsVoip(), 983 connection.getConnectTimeMillis(), 984 connection.getStatusHints(), 985 connection.getDisconnectCause(), 986 emptyList, 987 connection.getExtras()); 988 mAdapter.addExistingConnection(id, parcelableConnection); 989 } 990 } 991 992 /** 993 * Returns all the active {@code Connection}s for which this {@code ConnectionService} 994 * has taken responsibility. 995 * 996 * @return A collection of {@code Connection}s created by this {@code ConnectionService}. 997 */ 998 public final Collection<Connection> getAllConnections() { 999 return mConnectionById.values(); 1000 } 1001 1002 /** 1003 * Create a {@code Connection} given an incoming request. This is used to attach to existing 1004 * incoming calls. 1005 * 1006 * @param connectionManagerPhoneAccount See description at 1007 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 1008 * @param request Details about the incoming call. 1009 * @return The {@code Connection} object to satisfy this call, or {@code null} to 1010 * not handle the call. 1011 */ 1012 public Connection onCreateIncomingConnection( 1013 PhoneAccountHandle connectionManagerPhoneAccount, 1014 ConnectionRequest request) { 1015 return null; 1016 } 1017 1018 /** 1019 * Create a {@code Connection} given an outgoing request. This is used to initiate new 1020 * outgoing calls. 1021 * 1022 * @param connectionManagerPhoneAccount The connection manager account to use for managing 1023 * this call. 1024 * <p> 1025 * If this parameter is not {@code null}, it means that this {@code ConnectionService} 1026 * has registered one or more {@code PhoneAccount}s having 1027 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. This parameter will contain 1028 * one of these {@code PhoneAccount}s, while the {@code request} will contain another 1029 * (usually but not always distinct) {@code PhoneAccount} to be used for actually 1030 * making the connection. 1031 * <p> 1032 * If this parameter is {@code null}, it means that this {@code ConnectionService} is 1033 * being asked to make a direct connection. The 1034 * {@link ConnectionRequest#getAccountHandle()} of parameter {@code request} will be 1035 * a {@code PhoneAccount} registered by this {@code ConnectionService} to use for 1036 * making the connection. 1037 * @param request Details about the outgoing call. 1038 * @return The {@code Connection} object to satisfy this call, or the result of an invocation 1039 * of {@link Connection#createFailedConnection(DisconnectCause)} to not handle the call. 1040 */ 1041 public Connection onCreateOutgoingConnection( 1042 PhoneAccountHandle connectionManagerPhoneAccount, 1043 ConnectionRequest request) { 1044 return null; 1045 } 1046 1047 /** 1048 * Create a {@code Connection} for a new unknown call. An unknown call is a call originating 1049 * from the ConnectionService that was neither a user-initiated outgoing call, nor an incoming 1050 * call created using 1051 * {@code TelecomManager#addNewIncomingCall(PhoneAccountHandle, android.os.Bundle)}. 1052 * 1053 * @param connectionManagerPhoneAccount 1054 * @param request 1055 * @return 1056 * 1057 * @hide 1058 */ 1059 public Connection onCreateUnknownConnection(PhoneAccountHandle connectionManagerPhoneAccount, 1060 ConnectionRequest request) { 1061 return null; 1062 } 1063 1064 /** 1065 * Conference two specified connections. Invoked when the user has made a request to merge the 1066 * specified connections into a conference call. In response, the connection service should 1067 * create an instance of {@link Conference} and pass it into {@link #addConference}. 1068 * 1069 * @param connection1 A connection to merge into a conference call. 1070 * @param connection2 A connection to merge into a conference call. 1071 */ 1072 public void onConference(Connection connection1, Connection connection2) {} 1073 1074 /** 1075 * Indicates that a remote conference has been created for existing {@link RemoteConnection}s. 1076 * When this method is invoked, this {@link ConnectionService} should create its own 1077 * representation of the conference call and send it to telecom using {@link #addConference}. 1078 * <p> 1079 * This is only relevant to {@link ConnectionService}s which are registered with 1080 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. 1081 * 1082 * @param conference The remote conference call. 1083 */ 1084 public void onRemoteConferenceAdded(RemoteConference conference) {} 1085 1086 /** 1087 * Called when an existing connection is added remotely. 1088 * @param connection The existing connection which was added. 1089 */ 1090 public void onRemoteExistingConnectionAdded(RemoteConnection connection) {} 1091 1092 /** 1093 * @hide 1094 */ 1095 public boolean containsConference(Conference conference) { 1096 return mIdByConference.containsKey(conference); 1097 } 1098 1099 /** {@hide} */ 1100 void addRemoteConference(RemoteConference remoteConference) { 1101 onRemoteConferenceAdded(remoteConference); 1102 } 1103 1104 /** {@hide} */ 1105 void addRemoteExistingConnection(RemoteConnection remoteConnection) { 1106 onRemoteExistingConnectionAdded(remoteConnection); 1107 } 1108 1109 private void onAccountsInitialized() { 1110 mAreAccountsInitialized = true; 1111 for (Runnable r : mPreInitializationConnectionRequests) { 1112 r.run(); 1113 } 1114 mPreInitializationConnectionRequests.clear(); 1115 } 1116 1117 /** 1118 * Adds an existing connection to the list of connections, identified by a new UUID. 1119 * 1120 * @param connection The connection. 1121 * @return The UUID of the connection (e.g. the call-id). 1122 */ 1123 private String addExistingConnectionInternal(Connection connection) { 1124 String id = UUID.randomUUID().toString(); 1125 addConnection(id, connection); 1126 return id; 1127 } 1128 1129 private void addConnection(String callId, Connection connection) { 1130 mConnectionById.put(callId, connection); 1131 mIdByConnection.put(connection, callId); 1132 connection.addConnectionListener(mConnectionListener); 1133 connection.setConnectionService(this); 1134 } 1135 1136 /** {@hide} */ 1137 protected void removeConnection(Connection connection) { 1138 String id = mIdByConnection.get(connection); 1139 connection.unsetConnectionService(this); 1140 connection.removeConnectionListener(mConnectionListener); 1141 mConnectionById.remove(mIdByConnection.get(connection)); 1142 mIdByConnection.remove(connection); 1143 mAdapter.removeCall(id); 1144 } 1145 1146 private String addConferenceInternal(Conference conference) { 1147 if (mIdByConference.containsKey(conference)) { 1148 Log.w(this, "Re-adding an existing conference: %s.", conference); 1149 } else if (conference != null) { 1150 String id = UUID.randomUUID().toString(); 1151 mConferenceById.put(id, conference); 1152 mIdByConference.put(conference, id); 1153 conference.addListener(mConferenceListener); 1154 return id; 1155 } 1156 1157 return null; 1158 } 1159 1160 private void removeConference(Conference conference) { 1161 if (mIdByConference.containsKey(conference)) { 1162 conference.removeListener(mConferenceListener); 1163 1164 String id = mIdByConference.get(conference); 1165 mConferenceById.remove(id); 1166 mIdByConference.remove(conference); 1167 mAdapter.removeCall(id); 1168 } 1169 } 1170 1171 private Connection findConnectionForAction(String callId, String action) { 1172 if (mConnectionById.containsKey(callId)) { 1173 return mConnectionById.get(callId); 1174 } 1175 Log.w(this, "%s - Cannot find Connection %s", action, callId); 1176 return getNullConnection(); 1177 } 1178 1179 static synchronized Connection getNullConnection() { 1180 if (sNullConnection == null) { 1181 sNullConnection = new Connection() {}; 1182 } 1183 return sNullConnection; 1184 } 1185 1186 private Conference findConferenceForAction(String conferenceId, String action) { 1187 if (mConferenceById.containsKey(conferenceId)) { 1188 return mConferenceById.get(conferenceId); 1189 } 1190 Log.w(this, "%s - Cannot find conference %s", action, conferenceId); 1191 return getNullConference(); 1192 } 1193 1194 private List<String> createConnectionIdList(List<Connection> connections) { 1195 List<String> ids = new ArrayList<>(); 1196 for (Connection c : connections) { 1197 if (mIdByConnection.containsKey(c)) { 1198 ids.add(mIdByConnection.get(c)); 1199 } 1200 } 1201 Collections.sort(ids); 1202 return ids; 1203 } 1204 1205 /** 1206 * Builds a list of {@link Connection} and {@link Conference} IDs based on the list of 1207 * {@link Conferenceable}s passed in. 1208 * 1209 * @param conferenceables The {@link Conferenceable} connections and conferences. 1210 * @return List of string conference and call Ids. 1211 */ 1212 private List<String> createIdList(List<Conferenceable> conferenceables) { 1213 List<String> ids = new ArrayList<>(); 1214 for (Conferenceable c : conferenceables) { 1215 // Only allow Connection and Conference conferenceables. 1216 if (c instanceof Connection) { 1217 Connection connection = (Connection) c; 1218 if (mIdByConnection.containsKey(connection)) { 1219 ids.add(mIdByConnection.get(connection)); 1220 } 1221 } else if (c instanceof Conference) { 1222 Conference conference = (Conference) c; 1223 if (mIdByConference.containsKey(conference)) { 1224 ids.add(mIdByConference.get(conference)); 1225 } 1226 } 1227 } 1228 Collections.sort(ids); 1229 return ids; 1230 } 1231 1232 private Conference getNullConference() { 1233 if (sNullConference == null) { 1234 sNullConference = new Conference(null) {}; 1235 } 1236 return sNullConference; 1237 } 1238 1239 private void endAllConnections() { 1240 // Unbound from telecomm. We should end all connections and conferences. 1241 for (Connection connection : mIdByConnection.keySet()) { 1242 // only operate on top-level calls. Conference calls will be removed on their own. 1243 if (connection.getConference() == null) { 1244 connection.onDisconnect(); 1245 } 1246 } 1247 for (Conference conference : mIdByConference.keySet()) { 1248 conference.onDisconnect(); 1249 } 1250 } 1251 } 1252
