ConnectionService.java revision 4cf116ff20f143136ea69a8522fc01ef8a1e7f85
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.app.Service; 21import android.content.ComponentName; 22import android.content.Intent; 23import android.net.Uri; 24import android.os.Handler; 25import android.os.IBinder; 26import android.os.Looper; 27import android.os.Message; 28 29import com.android.internal.os.SomeArgs; 30import com.android.internal.telecom.IConnectionService; 31import com.android.internal.telecom.IConnectionServiceAdapter; 32import com.android.internal.telecom.RemoteServiceCallback; 33 34import java.util.ArrayList; 35import java.util.Collection; 36import java.util.Collections; 37import java.util.List; 38import java.util.Map; 39import java.util.UUID; 40import java.util.concurrent.ConcurrentHashMap; 41 42/** 43 * {@code ConnectionService} is an abstract service that should be implemented by any app which can 44 * make phone calls and want those calls to be integrated into the built-in phone app. 45 * Once implemented, the {@code ConnectionService} needs two additional steps before it will be 46 * integrated into the phone app: 47 * <p> 48 * 1. <i>Registration in AndroidManifest.xml</i> 49 * <br/> 50 * <pre> 51 * <service android:name="com.example.package.MyConnectionService" 52 * android:label="@string/some_label_for_my_connection_service" 53 * android:permission="android.permission.BIND_CONNECTION_SERVICE"> 54 * <intent-filter> 55 * <action android:name="android.telecom.ConnectionService" /> 56 * </intent-filter> 57 * </service> 58 * </pre> 59 * <p> 60 * 2. <i> Registration of {@link PhoneAccount} with {@link TelecomManager}.</i> 61 * <br/> 62 * See {@link PhoneAccount} and {@link TelecomManager#registerPhoneAccount} for more information. 63 * <p> 64 * Once registered and enabled by the user in the dialer settings, telecom will bind to a 65 * {@code ConnectionService} implementation when it wants that {@code ConnectionService} to place 66 * a call or the service has indicated that is has an incoming call through 67 * {@link TelecomManager#addNewIncomingCall}. The {@code ConnectionService} can then expect a call 68 * to {@link #onCreateIncomingConnection} or {@link #onCreateOutgoingConnection} wherein it 69 * should provide a new instance of a {@link Connection} object. It is through this 70 * {@link Connection} object that telecom receives state updates and the {@code ConnectionService} 71 * receives call-commands such as answer, reject, hold and disconnect. 72 * <p> 73 * When there are no more live calls, telecom will unbind from the {@code ConnectionService}. 74 */ 75public abstract class ConnectionService extends Service { 76 /** 77 * The {@link Intent} that must be declared as handled by the service. 78 */ 79 @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION) 80 public static final String SERVICE_INTERFACE = "android.telecom.ConnectionService"; 81 82 // Flag controlling whether PII is emitted into the logs 83 private static final boolean PII_DEBUG = Log.isLoggable(android.util.Log.DEBUG); 84 85 private static final int MSG_ADD_CONNECTION_SERVICE_ADAPTER = 1; 86 private static final int MSG_CREATE_CONNECTION = 2; 87 private static final int MSG_ABORT = 3; 88 private static final int MSG_ANSWER = 4; 89 private static final int MSG_REJECT = 5; 90 private static final int MSG_DISCONNECT = 6; 91 private static final int MSG_HOLD = 7; 92 private static final int MSG_UNHOLD = 8; 93 private static final int MSG_ON_AUDIO_STATE_CHANGED = 9; 94 private static final int MSG_PLAY_DTMF_TONE = 10; 95 private static final int MSG_STOP_DTMF_TONE = 11; 96 private static final int MSG_CONFERENCE = 12; 97 private static final int MSG_SPLIT_FROM_CONFERENCE = 13; 98 private static final int MSG_ON_POST_DIAL_CONTINUE = 14; 99 private static final int MSG_REMOVE_CONNECTION_SERVICE_ADAPTER = 16; 100 private static final int MSG_ANSWER_VIDEO = 17; 101 private static final int MSG_MERGE_CONFERENCE = 18; 102 private static final int MSG_SWAP_CONFERENCE = 19; 103 104 private static Connection sNullConnection; 105 106 private final Map<String, Connection> mConnectionById = new ConcurrentHashMap<>(); 107 private final Map<Connection, String> mIdByConnection = new ConcurrentHashMap<>(); 108 private final Map<String, Conference> mConferenceById = new ConcurrentHashMap<>(); 109 private final Map<Conference, String> mIdByConference = new ConcurrentHashMap<>(); 110 private final RemoteConnectionManager mRemoteConnectionManager = 111 new RemoteConnectionManager(this); 112 private final List<Runnable> mPreInitializationConnectionRequests = new ArrayList<>(); 113 private final ConnectionServiceAdapter mAdapter = new ConnectionServiceAdapter(); 114 115 private boolean mAreAccountsInitialized = false; 116 private Conference sNullConference; 117 118 private final IBinder mBinder = new IConnectionService.Stub() { 119 @Override 120 public void addConnectionServiceAdapter(IConnectionServiceAdapter adapter) { 121 mHandler.obtainMessage(MSG_ADD_CONNECTION_SERVICE_ADAPTER, adapter).sendToTarget(); 122 } 123 124 public void removeConnectionServiceAdapter(IConnectionServiceAdapter adapter) { 125 mHandler.obtainMessage(MSG_REMOVE_CONNECTION_SERVICE_ADAPTER, adapter).sendToTarget(); 126 } 127 128 @Override 129 public void createConnection( 130 PhoneAccountHandle connectionManagerPhoneAccount, 131 String id, 132 ConnectionRequest request, 133 boolean isIncoming, 134 boolean isUnknown) { 135 SomeArgs args = SomeArgs.obtain(); 136 args.arg1 = connectionManagerPhoneAccount; 137 args.arg2 = id; 138 args.arg3 = request; 139 args.argi1 = isIncoming ? 1 : 0; 140 args.argi2 = isUnknown ? 1 : 0; 141 mHandler.obtainMessage(MSG_CREATE_CONNECTION, args).sendToTarget(); 142 } 143 144 @Override 145 public void abort(String callId) { 146 mHandler.obtainMessage(MSG_ABORT, callId).sendToTarget(); 147 } 148 149 @Override 150 /** @hide */ 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 onAudioStateChanged(String callId, AudioState audioState) { 185 SomeArgs args = SomeArgs.obtain(); 186 args.arg1 = callId; 187 args.arg2 = audioState; 188 mHandler.obtainMessage(MSG_ON_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_AUDIO_STATE_CHANGED: { 309 SomeArgs args = (SomeArgs) msg.obj; 310 try { 311 String callId = (String) args.arg1; 312 AudioState audioState = (AudioState) args.arg2; 313 onAudioStateChanged(callId, 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 }; 431 432 private final Connection.Listener mConnectionListener = new Connection.Listener() { 433 @Override 434 public void onStateChanged(Connection c, int state) { 435 String id = mIdByConnection.get(c); 436 Log.d(this, "Adapter set state %s %s", id, Connection.stateToString(state)); 437 switch (state) { 438 case Connection.STATE_ACTIVE: 439 mAdapter.setActive(id); 440 break; 441 case Connection.STATE_DIALING: 442 mAdapter.setDialing(id); 443 break; 444 case Connection.STATE_DISCONNECTED: 445 // Handled in onDisconnected() 446 break; 447 case Connection.STATE_HOLDING: 448 mAdapter.setOnHold(id); 449 break; 450 case Connection.STATE_NEW: 451 // Nothing to tell Telecom 452 break; 453 case Connection.STATE_RINGING: 454 mAdapter.setRinging(id); 455 break; 456 } 457 } 458 459 @Override 460 public void onDisconnected(Connection c, DisconnectCause disconnectCause) { 461 String id = mIdByConnection.get(c); 462 Log.d(this, "Adapter set disconnected %s", disconnectCause); 463 mAdapter.setDisconnected(id, disconnectCause); 464 } 465 466 @Override 467 public void onVideoStateChanged(Connection c, int videoState) { 468 String id = mIdByConnection.get(c); 469 Log.d(this, "Adapter set video state %d", videoState); 470 mAdapter.setVideoState(id, videoState); 471 } 472 473 @Override 474 public void onAddressChanged(Connection c, Uri address, int presentation) { 475 String id = mIdByConnection.get(c); 476 mAdapter.setAddress(id, address, presentation); 477 } 478 479 @Override 480 public void onCallerDisplayNameChanged( 481 Connection c, String callerDisplayName, int presentation) { 482 String id = mIdByConnection.get(c); 483 mAdapter.setCallerDisplayName(id, callerDisplayName, presentation); 484 } 485 486 @Override 487 public void onDestroyed(Connection c) { 488 removeConnection(c); 489 } 490 491 @Override 492 public void onPostDialWait(Connection c, String remaining) { 493 String id = mIdByConnection.get(c); 494 Log.d(this, "Adapter onPostDialWait %s, %s", c, remaining); 495 mAdapter.onPostDialWait(id, remaining); 496 } 497 498 @Override 499 public void onPostDialChar(Connection c, char nextChar) { 500 String id = mIdByConnection.get(c); 501 Log.d(this, "Adapter onPostDialChar %s, %s", c, nextChar); 502 mAdapter.onPostDialChar(id, nextChar); 503 } 504 505 @Override 506 public void onRingbackRequested(Connection c, boolean ringback) { 507 String id = mIdByConnection.get(c); 508 Log.d(this, "Adapter onRingback %b", ringback); 509 mAdapter.setRingbackRequested(id, ringback); 510 } 511 512 @Override 513 public void onConnectionCapabilitiesChanged(Connection c, int capabilities) { 514 String id = mIdByConnection.get(c); 515 Log.d(this, "capabilities: parcelableconnection: %s", 516 Connection.capabilitiesToString(capabilities)); 517 mAdapter.setConnectionCapabilities(id, capabilities); 518 } 519 520 @Override 521 public void onVideoProviderChanged(Connection c, Connection.VideoProvider videoProvider) { 522 String id = mIdByConnection.get(c); 523 Log.d(this, "onVideoProviderChanged: Connection: %s, VideoProvider: %s", c, 524 videoProvider); 525 mAdapter.setVideoProvider(id, videoProvider); 526 } 527 528 @Override 529 public void onAudioModeIsVoipChanged(Connection c, boolean isVoip) { 530 String id = mIdByConnection.get(c); 531 mAdapter.setIsVoipAudioMode(id, isVoip); 532 } 533 534 @Override 535 public void onStatusHintsChanged(Connection c, StatusHints statusHints) { 536 String id = mIdByConnection.get(c); 537 mAdapter.setStatusHints(id, statusHints); 538 } 539 540 @Override 541 public void onConferenceablesChanged( 542 Connection connection, List<Conferenceable> conferenceables) { 543 mAdapter.setConferenceableConnections( 544 mIdByConnection.get(connection), 545 createIdList(conferenceables)); 546 } 547 548 @Override 549 public void onConferenceChanged(Connection connection, Conference conference) { 550 String id = mIdByConnection.get(connection); 551 if (id != null) { 552 String conferenceId = null; 553 if (conference != null) { 554 conferenceId = mIdByConference.get(conference); 555 } 556 mAdapter.setIsConferenced(id, conferenceId); 557 } 558 } 559 }; 560 561 /** {@inheritDoc} */ 562 @Override 563 public final IBinder onBind(Intent intent) { 564 return mBinder; 565 } 566 567 /** {@inheritDoc} */ 568 @Override 569 public boolean onUnbind(Intent intent) { 570 endAllConnections(); 571 return super.onUnbind(intent); 572 } 573 574 /** 575 * This can be used by telecom to either create a new outgoing call or attach to an existing 576 * incoming call. In either case, telecom will cycle through a set of services and call 577 * createConnection util a connection service cancels the process or completes it successfully. 578 */ 579 private void createConnection( 580 final PhoneAccountHandle callManagerAccount, 581 final String callId, 582 final ConnectionRequest request, 583 boolean isIncoming, 584 boolean isUnknown) { 585 Log.d(this, "createConnection, callManagerAccount: %s, callId: %s, request: %s, " + 586 "isIncoming: %b, isUnknown: %b", callManagerAccount, callId, request, isIncoming, 587 isUnknown); 588 589 Connection connection = isUnknown ? onCreateUnknownConnection(callManagerAccount, request) 590 : isIncoming ? onCreateIncomingConnection(callManagerAccount, request) 591 : onCreateOutgoingConnection(callManagerAccount, request); 592 Log.d(this, "createConnection, connection: %s", connection); 593 if (connection == null) { 594 connection = Connection.createFailedConnection( 595 new DisconnectCause(DisconnectCause.ERROR)); 596 } 597 598 if (connection.getState() != Connection.STATE_DISCONNECTED) { 599 addConnection(callId, connection); 600 } 601 602 Uri address = connection.getAddress(); 603 String number = address == null ? "null" : address.getSchemeSpecificPart(); 604 Log.v(this, "createConnection, number: %s, state: %s, capabilities: %s", 605 Connection.toLogSafePhoneNumber(number), 606 Connection.stateToString(connection.getState()), 607 Connection.capabilitiesToString(connection.getConnectionCapabilities())); 608 609 Log.d(this, "createConnection, calling handleCreateConnectionSuccessful %s", callId); 610 mAdapter.handleCreateConnectionComplete( 611 callId, 612 request, 613 new ParcelableConnection( 614 request.getAccountHandle(), 615 connection.getState(), 616 connection.getConnectionCapabilities(), 617 connection.getAddress(), 618 connection.getAddressPresentation(), 619 connection.getCallerDisplayName(), 620 connection.getCallerDisplayNamePresentation(), 621 connection.getVideoProvider() == null ? 622 null : connection.getVideoProvider().getInterface(), 623 connection.getVideoState(), 624 connection.isRingbackRequested(), 625 connection.getAudioModeIsVoip(), 626 connection.getStatusHints(), 627 connection.getDisconnectCause(), 628 createIdList(connection.getConferenceables()))); 629 } 630 631 private void abort(String callId) { 632 Log.d(this, "abort %s", callId); 633 findConnectionForAction(callId, "abort").onAbort(); 634 } 635 636 private void answerVideo(String callId, int videoState) { 637 Log.d(this, "answerVideo %s", callId); 638 findConnectionForAction(callId, "answer").onAnswer(videoState); 639 } 640 641 private void answer(String callId) { 642 Log.d(this, "answer %s", callId); 643 findConnectionForAction(callId, "answer").onAnswer(); 644 } 645 646 private void reject(String callId) { 647 Log.d(this, "reject %s", callId); 648 findConnectionForAction(callId, "reject").onReject(); 649 } 650 651 private void disconnect(String callId) { 652 Log.d(this, "disconnect %s", callId); 653 if (mConnectionById.containsKey(callId)) { 654 findConnectionForAction(callId, "disconnect").onDisconnect(); 655 } else { 656 findConferenceForAction(callId, "disconnect").onDisconnect(); 657 } 658 } 659 660 private void hold(String callId) { 661 Log.d(this, "hold %s", callId); 662 if (mConnectionById.containsKey(callId)) { 663 findConnectionForAction(callId, "hold").onHold(); 664 } else { 665 findConferenceForAction(callId, "hold").onHold(); 666 } 667 } 668 669 private void unhold(String callId) { 670 Log.d(this, "unhold %s", callId); 671 if (mConnectionById.containsKey(callId)) { 672 findConnectionForAction(callId, "unhold").onUnhold(); 673 } else { 674 findConferenceForAction(callId, "unhold").onUnhold(); 675 } 676 } 677 678 private void onAudioStateChanged(String callId, AudioState audioState) { 679 Log.d(this, "onAudioStateChanged %s %s", callId, audioState); 680 if (mConnectionById.containsKey(callId)) { 681 findConnectionForAction(callId, "onAudioStateChanged").setAudioState(audioState); 682 } else { 683 findConferenceForAction(callId, "onAudioStateChanged").setAudioState(audioState); 684 } 685 } 686 687 private void playDtmfTone(String callId, char digit) { 688 Log.d(this, "playDtmfTone %s %c", callId, digit); 689 if (mConnectionById.containsKey(callId)) { 690 findConnectionForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 691 } else { 692 findConferenceForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 693 } 694 } 695 696 private void stopDtmfTone(String callId) { 697 Log.d(this, "stopDtmfTone %s", callId); 698 if (mConnectionById.containsKey(callId)) { 699 findConnectionForAction(callId, "stopDtmfTone").onStopDtmfTone(); 700 } else { 701 findConferenceForAction(callId, "stopDtmfTone").onStopDtmfTone(); 702 } 703 } 704 705 private void conference(String callId1, String callId2) { 706 Log.d(this, "conference %s, %s", callId1, callId2); 707 708 // Attempt to get second connection or conference. 709 Connection connection2 = findConnectionForAction(callId2, "conference"); 710 Conference conference2 = getNullConference(); 711 if (connection2 == getNullConnection()) { 712 conference2 = findConferenceForAction(callId2, "conference"); 713 if (conference2 == getNullConference()) { 714 Log.w(this, "Connection2 or Conference2 missing in conference request %s.", 715 callId2); 716 return; 717 } 718 } 719 720 // Attempt to get first connection or conference and perform merge. 721 Connection connection1 = findConnectionForAction(callId1, "conference"); 722 if (connection1 == getNullConnection()) { 723 Conference conference1 = findConferenceForAction(callId1, "addConnection"); 724 if (conference1 == getNullConference()) { 725 Log.w(this, 726 "Connection1 or Conference1 missing in conference request %s.", 727 callId1); 728 } else { 729 // Call 1 is a conference. 730 if (connection2 != getNullConnection()) { 731 // Call 2 is a connection so merge via call 1 (conference). 732 conference1.onMerge(connection2); 733 } else { 734 // Call 2 is ALSO a conference; this should never happen. 735 Log.wtf(this, "There can only be one conference and an attempt was made to " + 736 "merge two conferences."); 737 return; 738 } 739 } 740 } else { 741 // Call 1 is a connection. 742 if (conference2 != getNullConference()) { 743 // Call 2 is a conference, so merge via call 2. 744 conference2.onMerge(connection1); 745 } else { 746 // Call 2 is a connection, so merge together. 747 onConference(connection1, connection2); 748 } 749 } 750 } 751 752 private void splitFromConference(String callId) { 753 Log.d(this, "splitFromConference(%s)", callId); 754 755 Connection connection = findConnectionForAction(callId, "splitFromConference"); 756 if (connection == getNullConnection()) { 757 Log.w(this, "Connection missing in conference request %s.", callId); 758 return; 759 } 760 761 Conference conference = connection.getConference(); 762 if (conference != null) { 763 conference.onSeparate(connection); 764 } 765 } 766 767 private void mergeConference(String callId) { 768 Log.d(this, "mergeConference(%s)", callId); 769 Conference conference = findConferenceForAction(callId, "mergeConference"); 770 if (conference != null) { 771 conference.onMerge(); 772 } 773 } 774 775 private void swapConference(String callId) { 776 Log.d(this, "swapConference(%s)", callId); 777 Conference conference = findConferenceForAction(callId, "swapConference"); 778 if (conference != null) { 779 conference.onSwap(); 780 } 781 } 782 783 private void onPostDialContinue(String callId, boolean proceed) { 784 Log.d(this, "onPostDialContinue(%s)", callId); 785 findConnectionForAction(callId, "stopDtmfTone").onPostDialContinue(proceed); 786 } 787 788 private void onAdapterAttached() { 789 if (mAreAccountsInitialized) { 790 // No need to query again if we already did it. 791 return; 792 } 793 794 mAdapter.queryRemoteConnectionServices(new RemoteServiceCallback.Stub() { 795 @Override 796 public void onResult( 797 final List<ComponentName> componentNames, 798 final List<IBinder> services) { 799 mHandler.post(new Runnable() { 800 @Override 801 public void run() { 802 for (int i = 0; i < componentNames.size() && i < services.size(); i++) { 803 mRemoteConnectionManager.addConnectionService( 804 componentNames.get(i), 805 IConnectionService.Stub.asInterface(services.get(i))); 806 } 807 onAccountsInitialized(); 808 Log.d(this, "remote connection services found: " + services); 809 } 810 }); 811 } 812 813 @Override 814 public void onError() { 815 mHandler.post(new Runnable() { 816 @Override 817 public void run() { 818 mAreAccountsInitialized = true; 819 } 820 }); 821 } 822 }); 823 } 824 825 /** 826 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 827 * incoming request. This is used by {@code ConnectionService}s that are registered with 828 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to manage 829 * SIM-based incoming calls. 830 * 831 * @param connectionManagerPhoneAccount See description at 832 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 833 * @param request Details about the incoming call. 834 * @return The {@code Connection} object to satisfy this call, or {@code null} to 835 * not handle the call. 836 */ 837 public final RemoteConnection createRemoteIncomingConnection( 838 PhoneAccountHandle connectionManagerPhoneAccount, 839 ConnectionRequest request) { 840 return mRemoteConnectionManager.createRemoteConnection( 841 connectionManagerPhoneAccount, request, true); 842 } 843 844 /** 845 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 846 * outgoing request. This is used by {@code ConnectionService}s that are registered with 847 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to use the 848 * SIM-based {@code ConnectionService} to place its outgoing calls. 849 * 850 * @param connectionManagerPhoneAccount See description at 851 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 852 * @param request Details about the incoming call. 853 * @return The {@code Connection} object to satisfy this call, or {@code null} to 854 * not handle the call. 855 */ 856 public final RemoteConnection createRemoteOutgoingConnection( 857 PhoneAccountHandle connectionManagerPhoneAccount, 858 ConnectionRequest request) { 859 return mRemoteConnectionManager.createRemoteConnection( 860 connectionManagerPhoneAccount, request, false); 861 } 862 863 /** 864 * Indicates to the relevant {@code RemoteConnectionService} that the specified 865 * {@link RemoteConnection}s should be merged into a conference call. 866 * <p> 867 * If the conference request is successful, the method {@link #onRemoteConferenceAdded} will 868 * be invoked. 869 * 870 * @param remoteConnection1 The first of the remote connections to conference. 871 * @param remoteConnection2 The second of the remote connections to conference. 872 */ 873 public final void conferenceRemoteConnections( 874 RemoteConnection remoteConnection1, 875 RemoteConnection remoteConnection2) { 876 mRemoteConnectionManager.conferenceRemoteConnections(remoteConnection1, remoteConnection2); 877 } 878 879 /** 880 * Adds a new conference call. When a conference call is created either as a result of an 881 * explicit request via {@link #onConference} or otherwise, the connection service should supply 882 * an instance of {@link Conference} by invoking this method. A conference call provided by this 883 * method will persist until {@link Conference#destroy} is invoked on the conference instance. 884 * 885 * @param conference The new conference object. 886 */ 887 public final void addConference(Conference conference) { 888 Log.d(this, "addConference: conference=%s", conference); 889 890 String id = addConferenceInternal(conference); 891 if (id != null) { 892 List<String> connectionIds = new ArrayList<>(2); 893 for (Connection connection : conference.getConnections()) { 894 if (mIdByConnection.containsKey(connection)) { 895 connectionIds.add(mIdByConnection.get(connection)); 896 } 897 } 898 ParcelableConference parcelableConference = new ParcelableConference( 899 conference.getPhoneAccountHandle(), 900 conference.getState(), 901 conference.getConnectionCapabilities(), 902 connectionIds, 903 conference.getVideoProvider() == null ? 904 null : conference.getVideoProvider().getInterface(), 905 conference.getVideoState(), 906 conference.getConnectTimeMillis() 907 ); 908 mAdapter.addConferenceCall(id, parcelableConference); 909 mAdapter.setVideoProvider(id, conference.getVideoProvider()); 910 mAdapter.setVideoState(id, conference.getVideoState()); 911 912 // Go through any child calls and set the parent. 913 for (Connection connection : conference.getConnections()) { 914 String connectionId = mIdByConnection.get(connection); 915 if (connectionId != null) { 916 mAdapter.setIsConferenced(connectionId, id); 917 } 918 } 919 } 920 } 921 922 /** 923 * Adds a connection created by the {@link ConnectionService} and informs telecom of the new 924 * connection. 925 * 926 * @param phoneAccountHandle The phone account handle for the connection. 927 * @param connection The connection to add. 928 */ 929 public final void addExistingConnection(PhoneAccountHandle phoneAccountHandle, 930 Connection connection) { 931 932 String id = addExistingConnectionInternal(connection); 933 if (id != null) { 934 List<String> emptyList = new ArrayList<>(0); 935 936 ParcelableConnection parcelableConnection = new ParcelableConnection( 937 phoneAccountHandle, 938 connection.getState(), 939 connection.getConnectionCapabilities(), 940 connection.getAddress(), 941 connection.getAddressPresentation(), 942 connection.getCallerDisplayName(), 943 connection.getCallerDisplayNamePresentation(), 944 connection.getVideoProvider() == null ? 945 null : connection.getVideoProvider().getInterface(), 946 connection.getVideoState(), 947 connection.isRingbackRequested(), 948 connection.getAudioModeIsVoip(), 949 connection.getStatusHints(), 950 connection.getDisconnectCause(), 951 emptyList); 952 mAdapter.addExistingConnection(id, parcelableConnection); 953 } 954 } 955 956 /** 957 * Returns all the active {@code Connection}s for which this {@code ConnectionService} 958 * has taken responsibility. 959 * 960 * @return A collection of {@code Connection}s created by this {@code ConnectionService}. 961 */ 962 public final Collection<Connection> getAllConnections() { 963 return mConnectionById.values(); 964 } 965 966 /** 967 * Create a {@code Connection} given an incoming request. This is used to attach to existing 968 * incoming calls. 969 * 970 * @param connectionManagerPhoneAccount See description at 971 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 972 * @param request Details about the incoming call. 973 * @return The {@code Connection} object to satisfy this call, or {@code null} to 974 * not handle the call. 975 */ 976 public Connection onCreateIncomingConnection( 977 PhoneAccountHandle connectionManagerPhoneAccount, 978 ConnectionRequest request) { 979 return null; 980 } 981 982 /** 983 * Create a {@code Connection} given an outgoing request. This is used to initiate new 984 * outgoing calls. 985 * 986 * @param connectionManagerPhoneAccount The connection manager account to use for managing 987 * this call. 988 * <p> 989 * If this parameter is not {@code null}, it means that this {@code ConnectionService} 990 * has registered one or more {@code PhoneAccount}s having 991 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. This parameter will contain 992 * one of these {@code PhoneAccount}s, while the {@code request} will contain another 993 * (usually but not always distinct) {@code PhoneAccount} to be used for actually 994 * making the connection. 995 * <p> 996 * If this parameter is {@code null}, it means that this {@code ConnectionService} is 997 * being asked to make a direct connection. The 998 * {@link ConnectionRequest#getAccountHandle()} of parameter {@code request} will be 999 * a {@code PhoneAccount} registered by this {@code ConnectionService} to use for 1000 * making the connection. 1001 * @param request Details about the outgoing call. 1002 * @return The {@code Connection} object to satisfy this call, or the result of an invocation 1003 * of {@link Connection#createFailedConnection(DisconnectCause)} to not handle the call. 1004 */ 1005 public Connection onCreateOutgoingConnection( 1006 PhoneAccountHandle connectionManagerPhoneAccount, 1007 ConnectionRequest request) { 1008 return null; 1009 } 1010 1011 /** 1012 * Create a {@code Connection} for a new unknown call. An unknown call is a call originating 1013 * from the ConnectionService that was neither a user-initiated outgoing call, nor an incoming 1014 * call created using 1015 * {@code TelecomManager#addNewIncomingCall(PhoneAccountHandle, android.os.Bundle)}. 1016 * 1017 * @param connectionManagerPhoneAccount 1018 * @param request 1019 * @return 1020 * 1021 * @hide 1022 */ 1023 public Connection onCreateUnknownConnection(PhoneAccountHandle connectionManagerPhoneAccount, 1024 ConnectionRequest request) { 1025 return null; 1026 } 1027 1028 /** 1029 * Conference two specified connections. Invoked when the user has made a request to merge the 1030 * specified connections into a conference call. In response, the connection service should 1031 * create an instance of {@link Conference} and pass it into {@link #addConference}. 1032 * 1033 * @param connection1 A connection to merge into a conference call. 1034 * @param connection2 A connection to merge into a conference call. 1035 */ 1036 public void onConference(Connection connection1, Connection connection2) {} 1037 1038 /** 1039 * Indicates that a remote conference has been created for existing {@link RemoteConnection}s. 1040 * When this method is invoked, this {@link ConnectionService} should create its own 1041 * representation of the conference call and send it to telecom using {@link #addConference}. 1042 * <p> 1043 * This is only relevant to {@link ConnectionService}s which are registered with 1044 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. 1045 * 1046 * @param conference The remote conference call. 1047 */ 1048 public void onRemoteConferenceAdded(RemoteConference conference) {} 1049 1050 /** 1051 * Called when an existing connection is added remotely. 1052 * @param connection The existing connection which was added. 1053 */ 1054 public void onRemoteExistingConnectionAdded(RemoteConnection connection) {} 1055 1056 /** 1057 * @hide 1058 */ 1059 public boolean containsConference(Conference conference) { 1060 return mIdByConference.containsKey(conference); 1061 } 1062 1063 /** {@hide} */ 1064 void addRemoteConference(RemoteConference remoteConference) { 1065 onRemoteConferenceAdded(remoteConference); 1066 } 1067 1068 /** {@hide} */ 1069 void addRemoteExistingConnection(RemoteConnection remoteConnection) { 1070 onRemoteExistingConnectionAdded(remoteConnection); 1071 } 1072 1073 private void onAccountsInitialized() { 1074 mAreAccountsInitialized = true; 1075 for (Runnable r : mPreInitializationConnectionRequests) { 1076 r.run(); 1077 } 1078 mPreInitializationConnectionRequests.clear(); 1079 } 1080 1081 /** 1082 * Adds an existing connection to the list of connections, identified by a new UUID. 1083 * 1084 * @param connection The connection. 1085 * @return The UUID of the connection (e.g. the call-id). 1086 */ 1087 private String addExistingConnectionInternal(Connection connection) { 1088 String id = UUID.randomUUID().toString(); 1089 addConnection(id, connection); 1090 return id; 1091 } 1092 1093 private void addConnection(String callId, Connection connection) { 1094 mConnectionById.put(callId, connection); 1095 mIdByConnection.put(connection, callId); 1096 connection.addConnectionListener(mConnectionListener); 1097 connection.setConnectionService(this); 1098 } 1099 1100 /** {@hide} */ 1101 protected void removeConnection(Connection connection) { 1102 String id = mIdByConnection.get(connection); 1103 connection.unsetConnectionService(this); 1104 connection.removeConnectionListener(mConnectionListener); 1105 mConnectionById.remove(mIdByConnection.get(connection)); 1106 mIdByConnection.remove(connection); 1107 mAdapter.removeCall(id); 1108 } 1109 1110 private String addConferenceInternal(Conference conference) { 1111 if (mIdByConference.containsKey(conference)) { 1112 Log.w(this, "Re-adding an existing conference: %s.", conference); 1113 } else if (conference != null) { 1114 String id = UUID.randomUUID().toString(); 1115 mConferenceById.put(id, conference); 1116 mIdByConference.put(conference, id); 1117 conference.addListener(mConferenceListener); 1118 return id; 1119 } 1120 1121 return null; 1122 } 1123 1124 private void removeConference(Conference conference) { 1125 if (mIdByConference.containsKey(conference)) { 1126 conference.removeListener(mConferenceListener); 1127 1128 String id = mIdByConference.get(conference); 1129 mConferenceById.remove(id); 1130 mIdByConference.remove(conference); 1131 mAdapter.removeCall(id); 1132 } 1133 } 1134 1135 private Connection findConnectionForAction(String callId, String action) { 1136 if (mConnectionById.containsKey(callId)) { 1137 return mConnectionById.get(callId); 1138 } 1139 Log.w(this, "%s - Cannot find Connection %s", action, callId); 1140 return getNullConnection(); 1141 } 1142 1143 static synchronized Connection getNullConnection() { 1144 if (sNullConnection == null) { 1145 sNullConnection = new Connection() {}; 1146 } 1147 return sNullConnection; 1148 } 1149 1150 private Conference findConferenceForAction(String conferenceId, String action) { 1151 if (mConferenceById.containsKey(conferenceId)) { 1152 return mConferenceById.get(conferenceId); 1153 } 1154 Log.w(this, "%s - Cannot find conference %s", action, conferenceId); 1155 return getNullConference(); 1156 } 1157 1158 private List<String> createConnectionIdList(List<Connection> connections) { 1159 List<String> ids = new ArrayList<>(); 1160 for (Connection c : connections) { 1161 if (mIdByConnection.containsKey(c)) { 1162 ids.add(mIdByConnection.get(c)); 1163 } 1164 } 1165 Collections.sort(ids); 1166 return ids; 1167 } 1168 1169 /** 1170 * Builds a list of {@link Connection} and {@link Conference} IDs based on the list of 1171 * {@link Conferenceable}s passed in. 1172 * 1173 * @param conferenceables The {@link Conferenceable} connections and conferences. 1174 * @return List of string conference and call Ids. 1175 */ 1176 private List<String> createIdList(List<Conferenceable> conferenceables) { 1177 List<String> ids = new ArrayList<>(); 1178 for (Conferenceable c : conferenceables) { 1179 // Only allow Connection and Conference conferenceables. 1180 if (c instanceof Connection) { 1181 Connection connection = (Connection) c; 1182 if (mIdByConnection.containsKey(connection)) { 1183 ids.add(mIdByConnection.get(connection)); 1184 } 1185 } else if (c instanceof Conference) { 1186 Conference conference = (Conference) c; 1187 if (mIdByConference.containsKey(conference)) { 1188 ids.add(mIdByConference.get(conference)); 1189 } 1190 } 1191 } 1192 Collections.sort(ids); 1193 return ids; 1194 } 1195 1196 private Conference getNullConference() { 1197 if (sNullConference == null) { 1198 sNullConference = new Conference(null) {}; 1199 } 1200 return sNullConference; 1201 } 1202 1203 private void endAllConnections() { 1204 // Unbound from telecomm. We should end all connections and conferences. 1205 for (Connection connection : mIdByConnection.keySet()) { 1206 // only operate on top-level calls. Conference calls will be removed on their own. 1207 if (connection.getConference() == null) { 1208 connection.onDisconnect(); 1209 } 1210 } 1211 for (Conference conference : mIdByConference.keySet()) { 1212 conference.onDisconnect(); 1213 } 1214 } 1215} 1216