ConnectionService.java revision df2cbc8989e624cd6a1d732549ea4a4f00852508
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 @Override 561 public void onCallSubstateChanged(Connection c, int callSubstate) { 562 String id = mIdByConnection.get(c); 563 Log.d(this, "Adapter set call substate %d", callSubstate); 564 mAdapter.setCallSubstate(id, callSubstate); 565 } 566 }; 567 568 /** {@inheritDoc} */ 569 @Override 570 public final IBinder onBind(Intent intent) { 571 return mBinder; 572 } 573 574 /** {@inheritDoc} */ 575 @Override 576 public boolean onUnbind(Intent intent) { 577 endAllConnections(); 578 return super.onUnbind(intent); 579 } 580 581 /** 582 * This can be used by telecom to either create a new outgoing call or attach to an existing 583 * incoming call. In either case, telecom will cycle through a set of services and call 584 * createConnection util a connection service cancels the process or completes it successfully. 585 */ 586 private void createConnection( 587 final PhoneAccountHandle callManagerAccount, 588 final String callId, 589 final ConnectionRequest request, 590 boolean isIncoming, 591 boolean isUnknown) { 592 Log.d(this, "createConnection, callManagerAccount: %s, callId: %s, request: %s, " + 593 "isIncoming: %b, isUnknown: %b", callManagerAccount, callId, request, isIncoming, 594 isUnknown); 595 596 Connection connection = isUnknown ? onCreateUnknownConnection(callManagerAccount, request) 597 : isIncoming ? onCreateIncomingConnection(callManagerAccount, request) 598 : onCreateOutgoingConnection(callManagerAccount, request); 599 Log.d(this, "createConnection, connection: %s", connection); 600 if (connection == null) { 601 connection = Connection.createFailedConnection( 602 new DisconnectCause(DisconnectCause.ERROR)); 603 } 604 605 if (connection.getState() != Connection.STATE_DISCONNECTED) { 606 addConnection(callId, connection); 607 } 608 609 Uri address = connection.getAddress(); 610 String number = address == null ? "null" : address.getSchemeSpecificPart(); 611 Log.v(this, "createConnection, number: %s, state: %s, capabilities: %s", 612 Connection.toLogSafePhoneNumber(number), 613 Connection.stateToString(connection.getState()), 614 Connection.capabilitiesToString(connection.getConnectionCapabilities())); 615 616 Log.d(this, "createConnection, calling handleCreateConnectionSuccessful %s", callId); 617 mAdapter.handleCreateConnectionComplete( 618 callId, 619 request, 620 new ParcelableConnection( 621 request.getAccountHandle(), 622 connection.getState(), 623 connection.getConnectionCapabilities(), 624 connection.getAddress(), 625 connection.getAddressPresentation(), 626 connection.getCallerDisplayName(), 627 connection.getCallerDisplayNamePresentation(), 628 connection.getVideoProvider() == null ? 629 null : connection.getVideoProvider().getInterface(), 630 connection.getVideoState(), 631 connection.isRingbackRequested(), 632 connection.getAudioModeIsVoip(), 633 connection.getStatusHints(), 634 connection.getDisconnectCause(), 635 createIdList(connection.getConferenceables()), 636 connection.getCallSubstate())); 637 } 638 639 private void abort(String callId) { 640 Log.d(this, "abort %s", callId); 641 findConnectionForAction(callId, "abort").onAbort(); 642 } 643 644 private void answerVideo(String callId, int videoState) { 645 Log.d(this, "answerVideo %s", callId); 646 findConnectionForAction(callId, "answer").onAnswer(videoState); 647 } 648 649 private void answer(String callId) { 650 Log.d(this, "answer %s", callId); 651 findConnectionForAction(callId, "answer").onAnswer(); 652 } 653 654 private void reject(String callId) { 655 Log.d(this, "reject %s", callId); 656 findConnectionForAction(callId, "reject").onReject(); 657 } 658 659 private void disconnect(String callId) { 660 Log.d(this, "disconnect %s", callId); 661 if (mConnectionById.containsKey(callId)) { 662 findConnectionForAction(callId, "disconnect").onDisconnect(); 663 } else { 664 findConferenceForAction(callId, "disconnect").onDisconnect(); 665 } 666 } 667 668 private void hold(String callId) { 669 Log.d(this, "hold %s", callId); 670 if (mConnectionById.containsKey(callId)) { 671 findConnectionForAction(callId, "hold").onHold(); 672 } else { 673 findConferenceForAction(callId, "hold").onHold(); 674 } 675 } 676 677 private void unhold(String callId) { 678 Log.d(this, "unhold %s", callId); 679 if (mConnectionById.containsKey(callId)) { 680 findConnectionForAction(callId, "unhold").onUnhold(); 681 } else { 682 findConferenceForAction(callId, "unhold").onUnhold(); 683 } 684 } 685 686 private void onAudioStateChanged(String callId, AudioState audioState) { 687 Log.d(this, "onAudioStateChanged %s %s", callId, audioState); 688 if (mConnectionById.containsKey(callId)) { 689 findConnectionForAction(callId, "onAudioStateChanged").setAudioState(audioState); 690 } else { 691 findConferenceForAction(callId, "onAudioStateChanged").setAudioState(audioState); 692 } 693 } 694 695 private void playDtmfTone(String callId, char digit) { 696 Log.d(this, "playDtmfTone %s %c", callId, digit); 697 if (mConnectionById.containsKey(callId)) { 698 findConnectionForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 699 } else { 700 findConferenceForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 701 } 702 } 703 704 private void stopDtmfTone(String callId) { 705 Log.d(this, "stopDtmfTone %s", callId); 706 if (mConnectionById.containsKey(callId)) { 707 findConnectionForAction(callId, "stopDtmfTone").onStopDtmfTone(); 708 } else { 709 findConferenceForAction(callId, "stopDtmfTone").onStopDtmfTone(); 710 } 711 } 712 713 private void conference(String callId1, String callId2) { 714 Log.d(this, "conference %s, %s", callId1, callId2); 715 716 // Attempt to get second connection or conference. 717 Connection connection2 = findConnectionForAction(callId2, "conference"); 718 Conference conference2 = getNullConference(); 719 if (connection2 == getNullConnection()) { 720 conference2 = findConferenceForAction(callId2, "conference"); 721 if (conference2 == getNullConference()) { 722 Log.w(this, "Connection2 or Conference2 missing in conference request %s.", 723 callId2); 724 return; 725 } 726 } 727 728 // Attempt to get first connection or conference and perform merge. 729 Connection connection1 = findConnectionForAction(callId1, "conference"); 730 if (connection1 == getNullConnection()) { 731 Conference conference1 = findConferenceForAction(callId1, "addConnection"); 732 if (conference1 == getNullConference()) { 733 Log.w(this, 734 "Connection1 or Conference1 missing in conference request %s.", 735 callId1); 736 } else { 737 // Call 1 is a conference. 738 if (connection2 != getNullConnection()) { 739 // Call 2 is a connection so merge via call 1 (conference). 740 conference1.onMerge(connection2); 741 } else { 742 // Call 2 is ALSO a conference; this should never happen. 743 Log.wtf(this, "There can only be one conference and an attempt was made to " + 744 "merge two conferences."); 745 return; 746 } 747 } 748 } else { 749 // Call 1 is a connection. 750 if (conference2 != getNullConference()) { 751 // Call 2 is a conference, so merge via call 2. 752 conference2.onMerge(connection1); 753 } else { 754 // Call 2 is a connection, so merge together. 755 onConference(connection1, connection2); 756 } 757 } 758 } 759 760 private void splitFromConference(String callId) { 761 Log.d(this, "splitFromConference(%s)", callId); 762 763 Connection connection = findConnectionForAction(callId, "splitFromConference"); 764 if (connection == getNullConnection()) { 765 Log.w(this, "Connection missing in conference request %s.", callId); 766 return; 767 } 768 769 Conference conference = connection.getConference(); 770 if (conference != null) { 771 conference.onSeparate(connection); 772 } 773 } 774 775 private void mergeConference(String callId) { 776 Log.d(this, "mergeConference(%s)", callId); 777 Conference conference = findConferenceForAction(callId, "mergeConference"); 778 if (conference != null) { 779 conference.onMerge(); 780 } 781 } 782 783 private void swapConference(String callId) { 784 Log.d(this, "swapConference(%s)", callId); 785 Conference conference = findConferenceForAction(callId, "swapConference"); 786 if (conference != null) { 787 conference.onSwap(); 788 } 789 } 790 791 private void onPostDialContinue(String callId, boolean proceed) { 792 Log.d(this, "onPostDialContinue(%s)", callId); 793 findConnectionForAction(callId, "stopDtmfTone").onPostDialContinue(proceed); 794 } 795 796 private void onAdapterAttached() { 797 if (mAreAccountsInitialized) { 798 // No need to query again if we already did it. 799 return; 800 } 801 802 mAdapter.queryRemoteConnectionServices(new RemoteServiceCallback.Stub() { 803 @Override 804 public void onResult( 805 final List<ComponentName> componentNames, 806 final List<IBinder> services) { 807 mHandler.post(new Runnable() { 808 @Override 809 public void run() { 810 for (int i = 0; i < componentNames.size() && i < services.size(); i++) { 811 mRemoteConnectionManager.addConnectionService( 812 componentNames.get(i), 813 IConnectionService.Stub.asInterface(services.get(i))); 814 } 815 onAccountsInitialized(); 816 Log.d(this, "remote connection services found: " + services); 817 } 818 }); 819 } 820 821 @Override 822 public void onError() { 823 mHandler.post(new Runnable() { 824 @Override 825 public void run() { 826 mAreAccountsInitialized = true; 827 } 828 }); 829 } 830 }); 831 } 832 833 /** 834 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 835 * incoming request. This is used by {@code ConnectionService}s that are registered with 836 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to manage 837 * SIM-based incoming calls. 838 * 839 * @param connectionManagerPhoneAccount See description at 840 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 841 * @param request Details about the incoming call. 842 * @return The {@code Connection} object to satisfy this call, or {@code null} to 843 * not handle the call. 844 */ 845 public final RemoteConnection createRemoteIncomingConnection( 846 PhoneAccountHandle connectionManagerPhoneAccount, 847 ConnectionRequest request) { 848 return mRemoteConnectionManager.createRemoteConnection( 849 connectionManagerPhoneAccount, request, true); 850 } 851 852 /** 853 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 854 * outgoing request. This is used by {@code ConnectionService}s that are registered with 855 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to use the 856 * SIM-based {@code ConnectionService} to place its outgoing calls. 857 * 858 * @param connectionManagerPhoneAccount See description at 859 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 860 * @param request Details about the incoming call. 861 * @return The {@code Connection} object to satisfy this call, or {@code null} to 862 * not handle the call. 863 */ 864 public final RemoteConnection createRemoteOutgoingConnection( 865 PhoneAccountHandle connectionManagerPhoneAccount, 866 ConnectionRequest request) { 867 return mRemoteConnectionManager.createRemoteConnection( 868 connectionManagerPhoneAccount, request, false); 869 } 870 871 /** 872 * Indicates to the relevant {@code RemoteConnectionService} that the specified 873 * {@link RemoteConnection}s should be merged into a conference call. 874 * <p> 875 * If the conference request is successful, the method {@link #onRemoteConferenceAdded} will 876 * be invoked. 877 * 878 * @param remoteConnection1 The first of the remote connections to conference. 879 * @param remoteConnection2 The second of the remote connections to conference. 880 */ 881 public final void conferenceRemoteConnections( 882 RemoteConnection remoteConnection1, 883 RemoteConnection remoteConnection2) { 884 mRemoteConnectionManager.conferenceRemoteConnections(remoteConnection1, remoteConnection2); 885 } 886 887 /** 888 * Adds a new conference call. When a conference call is created either as a result of an 889 * explicit request via {@link #onConference} or otherwise, the connection service should supply 890 * an instance of {@link Conference} by invoking this method. A conference call provided by this 891 * method will persist until {@link Conference#destroy} is invoked on the conference instance. 892 * 893 * @param conference The new conference object. 894 */ 895 public final void addConference(Conference conference) { 896 Log.d(this, "addConference: conference=%s", conference); 897 898 String id = addConferenceInternal(conference); 899 if (id != null) { 900 List<String> connectionIds = new ArrayList<>(2); 901 for (Connection connection : conference.getConnections()) { 902 if (mIdByConnection.containsKey(connection)) { 903 connectionIds.add(mIdByConnection.get(connection)); 904 } 905 } 906 ParcelableConference parcelableConference = new ParcelableConference( 907 conference.getPhoneAccountHandle(), 908 conference.getState(), 909 conference.getConnectionCapabilities(), 910 connectionIds, 911 conference.getVideoProvider() == null ? 912 null : conference.getVideoProvider().getInterface(), 913 conference.getVideoState(), 914 conference.getConnectTimeMillis() 915 ); 916 mAdapter.addConferenceCall(id, parcelableConference); 917 mAdapter.setVideoProvider(id, conference.getVideoProvider()); 918 mAdapter.setVideoState(id, conference.getVideoState()); 919 920 // Go through any child calls and set the parent. 921 for (Connection connection : conference.getConnections()) { 922 String connectionId = mIdByConnection.get(connection); 923 if (connectionId != null) { 924 mAdapter.setIsConferenced(connectionId, id); 925 } 926 } 927 } 928 } 929 930 /** 931 * Adds a connection created by the {@link ConnectionService} and informs telecom of the new 932 * connection. 933 * 934 * @param phoneAccountHandle The phone account handle for the connection. 935 * @param connection The connection to add. 936 */ 937 public final void addExistingConnection(PhoneAccountHandle phoneAccountHandle, 938 Connection connection) { 939 940 String id = addExistingConnectionInternal(connection); 941 if (id != null) { 942 List<String> emptyList = new ArrayList<>(0); 943 944 ParcelableConnection parcelableConnection = new ParcelableConnection( 945 phoneAccountHandle, 946 connection.getState(), 947 connection.getConnectionCapabilities(), 948 connection.getAddress(), 949 connection.getAddressPresentation(), 950 connection.getCallerDisplayName(), 951 connection.getCallerDisplayNamePresentation(), 952 connection.getVideoProvider() == null ? 953 null : connection.getVideoProvider().getInterface(), 954 connection.getVideoState(), 955 connection.isRingbackRequested(), 956 connection.getAudioModeIsVoip(), 957 connection.getStatusHints(), 958 connection.getDisconnectCause(), 959 emptyList, connection.getCallSubstate()); 960 mAdapter.addExistingConnection(id, parcelableConnection); 961 } 962 } 963 964 /** 965 * Returns all the active {@code Connection}s for which this {@code ConnectionService} 966 * has taken responsibility. 967 * 968 * @return A collection of {@code Connection}s created by this {@code ConnectionService}. 969 */ 970 public final Collection<Connection> getAllConnections() { 971 return mConnectionById.values(); 972 } 973 974 /** 975 * Create a {@code Connection} given an incoming request. This is used to attach to existing 976 * incoming calls. 977 * 978 * @param connectionManagerPhoneAccount See description at 979 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 980 * @param request Details about the incoming call. 981 * @return The {@code Connection} object to satisfy this call, or {@code null} to 982 * not handle the call. 983 */ 984 public Connection onCreateIncomingConnection( 985 PhoneAccountHandle connectionManagerPhoneAccount, 986 ConnectionRequest request) { 987 return null; 988 } 989 990 /** 991 * Create a {@code Connection} given an outgoing request. This is used to initiate new 992 * outgoing calls. 993 * 994 * @param connectionManagerPhoneAccount The connection manager account to use for managing 995 * this call. 996 * <p> 997 * If this parameter is not {@code null}, it means that this {@code ConnectionService} 998 * has registered one or more {@code PhoneAccount}s having 999 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. This parameter will contain 1000 * one of these {@code PhoneAccount}s, while the {@code request} will contain another 1001 * (usually but not always distinct) {@code PhoneAccount} to be used for actually 1002 * making the connection. 1003 * <p> 1004 * If this parameter is {@code null}, it means that this {@code ConnectionService} is 1005 * being asked to make a direct connection. The 1006 * {@link ConnectionRequest#getAccountHandle()} of parameter {@code request} will be 1007 * a {@code PhoneAccount} registered by this {@code ConnectionService} to use for 1008 * making the connection. 1009 * @param request Details about the outgoing call. 1010 * @return The {@code Connection} object to satisfy this call, or the result of an invocation 1011 * of {@link Connection#createFailedConnection(DisconnectCause)} to not handle the call. 1012 */ 1013 public Connection onCreateOutgoingConnection( 1014 PhoneAccountHandle connectionManagerPhoneAccount, 1015 ConnectionRequest request) { 1016 return null; 1017 } 1018 1019 /** 1020 * Create a {@code Connection} for a new unknown call. An unknown call is a call originating 1021 * from the ConnectionService that was neither a user-initiated outgoing call, nor an incoming 1022 * call created using 1023 * {@code TelecomManager#addNewIncomingCall(PhoneAccountHandle, android.os.Bundle)}. 1024 * 1025 * @param connectionManagerPhoneAccount 1026 * @param request 1027 * @return 1028 * 1029 * @hide 1030 */ 1031 public Connection onCreateUnknownConnection(PhoneAccountHandle connectionManagerPhoneAccount, 1032 ConnectionRequest request) { 1033 return null; 1034 } 1035 1036 /** 1037 * Conference two specified connections. Invoked when the user has made a request to merge the 1038 * specified connections into a conference call. In response, the connection service should 1039 * create an instance of {@link Conference} and pass it into {@link #addConference}. 1040 * 1041 * @param connection1 A connection to merge into a conference call. 1042 * @param connection2 A connection to merge into a conference call. 1043 */ 1044 public void onConference(Connection connection1, Connection connection2) {} 1045 1046 /** 1047 * Indicates that a remote conference has been created for existing {@link RemoteConnection}s. 1048 * When this method is invoked, this {@link ConnectionService} should create its own 1049 * representation of the conference call and send it to telecom using {@link #addConference}. 1050 * <p> 1051 * This is only relevant to {@link ConnectionService}s which are registered with 1052 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. 1053 * 1054 * @param conference The remote conference call. 1055 */ 1056 public void onRemoteConferenceAdded(RemoteConference conference) {} 1057 1058 /** 1059 * Called when an existing connection is added remotely. 1060 * @param connection The existing connection which was added. 1061 */ 1062 public void onRemoteExistingConnectionAdded(RemoteConnection connection) {} 1063 1064 /** 1065 * @hide 1066 */ 1067 public boolean containsConference(Conference conference) { 1068 return mIdByConference.containsKey(conference); 1069 } 1070 1071 /** {@hide} */ 1072 void addRemoteConference(RemoteConference remoteConference) { 1073 onRemoteConferenceAdded(remoteConference); 1074 } 1075 1076 /** {@hide} */ 1077 void addRemoteExistingConnection(RemoteConnection remoteConnection) { 1078 onRemoteExistingConnectionAdded(remoteConnection); 1079 } 1080 1081 private void onAccountsInitialized() { 1082 mAreAccountsInitialized = true; 1083 for (Runnable r : mPreInitializationConnectionRequests) { 1084 r.run(); 1085 } 1086 mPreInitializationConnectionRequests.clear(); 1087 } 1088 1089 /** 1090 * Adds an existing connection to the list of connections, identified by a new UUID. 1091 * 1092 * @param connection The connection. 1093 * @return The UUID of the connection (e.g. the call-id). 1094 */ 1095 private String addExistingConnectionInternal(Connection connection) { 1096 String id = UUID.randomUUID().toString(); 1097 addConnection(id, connection); 1098 return id; 1099 } 1100 1101 private void addConnection(String callId, Connection connection) { 1102 mConnectionById.put(callId, connection); 1103 mIdByConnection.put(connection, callId); 1104 connection.addConnectionListener(mConnectionListener); 1105 connection.setConnectionService(this); 1106 } 1107 1108 /** {@hide} */ 1109 protected void removeConnection(Connection connection) { 1110 String id = mIdByConnection.get(connection); 1111 connection.unsetConnectionService(this); 1112 connection.removeConnectionListener(mConnectionListener); 1113 mConnectionById.remove(mIdByConnection.get(connection)); 1114 mIdByConnection.remove(connection); 1115 mAdapter.removeCall(id); 1116 } 1117 1118 private String addConferenceInternal(Conference conference) { 1119 if (mIdByConference.containsKey(conference)) { 1120 Log.w(this, "Re-adding an existing conference: %s.", conference); 1121 } else if (conference != null) { 1122 String id = UUID.randomUUID().toString(); 1123 mConferenceById.put(id, conference); 1124 mIdByConference.put(conference, id); 1125 conference.addListener(mConferenceListener); 1126 return id; 1127 } 1128 1129 return null; 1130 } 1131 1132 private void removeConference(Conference conference) { 1133 if (mIdByConference.containsKey(conference)) { 1134 conference.removeListener(mConferenceListener); 1135 1136 String id = mIdByConference.get(conference); 1137 mConferenceById.remove(id); 1138 mIdByConference.remove(conference); 1139 mAdapter.removeCall(id); 1140 } 1141 } 1142 1143 private Connection findConnectionForAction(String callId, String action) { 1144 if (mConnectionById.containsKey(callId)) { 1145 return mConnectionById.get(callId); 1146 } 1147 Log.w(this, "%s - Cannot find Connection %s", action, callId); 1148 return getNullConnection(); 1149 } 1150 1151 static synchronized Connection getNullConnection() { 1152 if (sNullConnection == null) { 1153 sNullConnection = new Connection() {}; 1154 } 1155 return sNullConnection; 1156 } 1157 1158 private Conference findConferenceForAction(String conferenceId, String action) { 1159 if (mConferenceById.containsKey(conferenceId)) { 1160 return mConferenceById.get(conferenceId); 1161 } 1162 Log.w(this, "%s - Cannot find conference %s", action, conferenceId); 1163 return getNullConference(); 1164 } 1165 1166 private List<String> createConnectionIdList(List<Connection> connections) { 1167 List<String> ids = new ArrayList<>(); 1168 for (Connection c : connections) { 1169 if (mIdByConnection.containsKey(c)) { 1170 ids.add(mIdByConnection.get(c)); 1171 } 1172 } 1173 Collections.sort(ids); 1174 return ids; 1175 } 1176 1177 /** 1178 * Builds a list of {@link Connection} and {@link Conference} IDs based on the list of 1179 * {@link Conferenceable}s passed in. 1180 * 1181 * @param conferenceables The {@link Conferenceable} connections and conferences. 1182 * @return List of string conference and call Ids. 1183 */ 1184 private List<String> createIdList(List<Conferenceable> conferenceables) { 1185 List<String> ids = new ArrayList<>(); 1186 for (Conferenceable c : conferenceables) { 1187 // Only allow Connection and Conference conferenceables. 1188 if (c instanceof Connection) { 1189 Connection connection = (Connection) c; 1190 if (mIdByConnection.containsKey(connection)) { 1191 ids.add(mIdByConnection.get(connection)); 1192 } 1193 } else if (c instanceof Conference) { 1194 Conference conference = (Conference) c; 1195 if (mIdByConference.containsKey(conference)) { 1196 ids.add(mIdByConference.get(conference)); 1197 } 1198 } 1199 } 1200 Collections.sort(ids); 1201 return ids; 1202 } 1203 1204 private Conference getNullConference() { 1205 if (sNullConference == null) { 1206 sNullConference = new Conference(null) {}; 1207 } 1208 return sNullConference; 1209 } 1210 1211 private void endAllConnections() { 1212 // Unbound from telecomm. We should end all connections and conferences. 1213 for (Connection connection : mIdByConnection.keySet()) { 1214 // only operate on top-level calls. Conference calls will be removed on their own. 1215 if (connection.getConference() == null) { 1216 connection.onDisconnect(); 1217 } 1218 } 1219 for (Conference conference : mIdByConference.keySet()) { 1220 conference.onDisconnect(); 1221 } 1222 } 1223} 1224