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