ConnectionService.java revision 0f51da328d11f8709d99890a61d6b4021a2207a5
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 @Override 432 public void onStatusHintsChanged(Conference conference, StatusHints statusHints) { 433 String id = mIdByConference.get(conference); 434 mAdapter.setStatusHints(id, statusHints); 435 } 436 }; 437 438 private final Connection.Listener mConnectionListener = new Connection.Listener() { 439 @Override 440 public void onStateChanged(Connection c, int state) { 441 String id = mIdByConnection.get(c); 442 Log.d(this, "Adapter set state %s %s", id, Connection.stateToString(state)); 443 switch (state) { 444 case Connection.STATE_ACTIVE: 445 mAdapter.setActive(id); 446 break; 447 case Connection.STATE_DIALING: 448 mAdapter.setDialing(id); 449 break; 450 case Connection.STATE_DISCONNECTED: 451 // Handled in onDisconnected() 452 break; 453 case Connection.STATE_HOLDING: 454 mAdapter.setOnHold(id); 455 break; 456 case Connection.STATE_NEW: 457 // Nothing to tell Telecom 458 break; 459 case Connection.STATE_RINGING: 460 mAdapter.setRinging(id); 461 break; 462 } 463 } 464 465 @Override 466 public void onDisconnected(Connection c, DisconnectCause disconnectCause) { 467 String id = mIdByConnection.get(c); 468 Log.d(this, "Adapter set disconnected %s", disconnectCause); 469 mAdapter.setDisconnected(id, disconnectCause); 470 } 471 472 @Override 473 public void onVideoStateChanged(Connection c, int videoState) { 474 String id = mIdByConnection.get(c); 475 Log.d(this, "Adapter set video state %d", videoState); 476 mAdapter.setVideoState(id, videoState); 477 } 478 479 @Override 480 public void onAddressChanged(Connection c, Uri address, int presentation) { 481 String id = mIdByConnection.get(c); 482 mAdapter.setAddress(id, address, presentation); 483 } 484 485 @Override 486 public void onCallerDisplayNameChanged( 487 Connection c, String callerDisplayName, int presentation) { 488 String id = mIdByConnection.get(c); 489 mAdapter.setCallerDisplayName(id, callerDisplayName, presentation); 490 } 491 492 @Override 493 public void onDestroyed(Connection c) { 494 removeConnection(c); 495 } 496 497 @Override 498 public void onPostDialWait(Connection c, String remaining) { 499 String id = mIdByConnection.get(c); 500 Log.d(this, "Adapter onPostDialWait %s, %s", c, remaining); 501 mAdapter.onPostDialWait(id, remaining); 502 } 503 504 @Override 505 public void onPostDialChar(Connection c, char nextChar) { 506 String id = mIdByConnection.get(c); 507 Log.d(this, "Adapter onPostDialChar %s, %s", c, nextChar); 508 mAdapter.onPostDialChar(id, nextChar); 509 } 510 511 @Override 512 public void onRingbackRequested(Connection c, boolean ringback) { 513 String id = mIdByConnection.get(c); 514 Log.d(this, "Adapter onRingback %b", ringback); 515 mAdapter.setRingbackRequested(id, ringback); 516 } 517 518 @Override 519 public void onConnectionCapabilitiesChanged(Connection c, int capabilities) { 520 String id = mIdByConnection.get(c); 521 Log.d(this, "capabilities: parcelableconnection: %s", 522 Connection.capabilitiesToString(capabilities)); 523 mAdapter.setConnectionCapabilities(id, capabilities); 524 } 525 526 @Override 527 public void onVideoProviderChanged(Connection c, Connection.VideoProvider videoProvider) { 528 String id = mIdByConnection.get(c); 529 Log.d(this, "onVideoProviderChanged: Connection: %s, VideoProvider: %s", c, 530 videoProvider); 531 mAdapter.setVideoProvider(id, videoProvider); 532 } 533 534 @Override 535 public void onAudioModeIsVoipChanged(Connection c, boolean isVoip) { 536 String id = mIdByConnection.get(c); 537 mAdapter.setIsVoipAudioMode(id, isVoip); 538 } 539 540 @Override 541 public void onStatusHintsChanged(Connection c, StatusHints statusHints) { 542 String id = mIdByConnection.get(c); 543 mAdapter.setStatusHints(id, statusHints); 544 } 545 546 @Override 547 public void onConferenceablesChanged( 548 Connection connection, List<IConferenceable> conferenceables) { 549 mAdapter.setConferenceableConnections( 550 mIdByConnection.get(connection), 551 createIdList(conferenceables)); 552 } 553 554 @Override 555 public void onConferenceChanged(Connection connection, Conference conference) { 556 String id = mIdByConnection.get(connection); 557 if (id != null) { 558 String conferenceId = null; 559 if (conference != null) { 560 conferenceId = mIdByConference.get(conference); 561 } 562 mAdapter.setIsConferenced(id, conferenceId); 563 } 564 } 565 566 @Override 567 public void onCallSubstateChanged(Connection c, int callSubstate) { 568 String id = mIdByConnection.get(c); 569 Log.d(this, "Adapter set call substate %d", callSubstate); 570 mAdapter.setCallSubstate(id, callSubstate); 571 } 572 }; 573 574 /** {@inheritDoc} */ 575 @Override 576 public final IBinder onBind(Intent intent) { 577 return mBinder; 578 } 579 580 /** {@inheritDoc} */ 581 @Override 582 public boolean onUnbind(Intent intent) { 583 endAllConnections(); 584 return super.onUnbind(intent); 585 } 586 587 /** 588 * This can be used by telecom to either create a new outgoing call or attach to an existing 589 * incoming call. In either case, telecom will cycle through a set of services and call 590 * createConnection util a connection service cancels the process or completes it successfully. 591 */ 592 private void createConnection( 593 final PhoneAccountHandle callManagerAccount, 594 final String callId, 595 final ConnectionRequest request, 596 boolean isIncoming, 597 boolean isUnknown) { 598 Log.d(this, "createConnection, callManagerAccount: %s, callId: %s, request: %s, " + 599 "isIncoming: %b, isUnknown: %b", callManagerAccount, callId, request, isIncoming, 600 isUnknown); 601 602 Connection connection = isUnknown ? onCreateUnknownConnection(callManagerAccount, request) 603 : isIncoming ? onCreateIncomingConnection(callManagerAccount, request) 604 : onCreateOutgoingConnection(callManagerAccount, request); 605 Log.d(this, "createConnection, connection: %s", connection); 606 if (connection == null) { 607 connection = Connection.createFailedConnection( 608 new DisconnectCause(DisconnectCause.ERROR)); 609 } 610 611 if (connection.getState() != Connection.STATE_DISCONNECTED) { 612 addConnection(callId, connection); 613 } 614 615 Uri address = connection.getAddress(); 616 String number = address == null ? "null" : address.getSchemeSpecificPart(); 617 Log.v(this, "createConnection, number: %s, state: %s, capabilities: %s", 618 Connection.toLogSafePhoneNumber(number), 619 Connection.stateToString(connection.getState()), 620 Connection.capabilitiesToString(connection.getConnectionCapabilities())); 621 622 Log.d(this, "createConnection, calling handleCreateConnectionSuccessful %s", callId); 623 mAdapter.handleCreateConnectionComplete( 624 callId, 625 request, 626 new ParcelableConnection( 627 request.getAccountHandle(), 628 connection.getState(), 629 connection.getConnectionCapabilities(), 630 connection.getAddress(), 631 connection.getAddressPresentation(), 632 connection.getCallerDisplayName(), 633 connection.getCallerDisplayNamePresentation(), 634 connection.getVideoProvider() == null ? 635 null : connection.getVideoProvider().getInterface(), 636 connection.getVideoState(), 637 connection.isRingbackRequested(), 638 connection.getAudioModeIsVoip(), 639 connection.getStatusHints(), 640 connection.getDisconnectCause(), 641 createIdList(connection.getConferenceables()), 642 connection.getCallSubstate())); 643 } 644 645 private void abort(String callId) { 646 Log.d(this, "abort %s", callId); 647 findConnectionForAction(callId, "abort").onAbort(); 648 } 649 650 private void answerVideo(String callId, int videoState) { 651 Log.d(this, "answerVideo %s", callId); 652 findConnectionForAction(callId, "answer").onAnswer(videoState); 653 } 654 655 private void answer(String callId) { 656 Log.d(this, "answer %s", callId); 657 findConnectionForAction(callId, "answer").onAnswer(); 658 } 659 660 private void reject(String callId) { 661 Log.d(this, "reject %s", callId); 662 findConnectionForAction(callId, "reject").onReject(); 663 } 664 665 private void disconnect(String callId) { 666 Log.d(this, "disconnect %s", callId); 667 if (mConnectionById.containsKey(callId)) { 668 findConnectionForAction(callId, "disconnect").onDisconnect(); 669 } else { 670 findConferenceForAction(callId, "disconnect").onDisconnect(); 671 } 672 } 673 674 private void hold(String callId) { 675 Log.d(this, "hold %s", callId); 676 if (mConnectionById.containsKey(callId)) { 677 findConnectionForAction(callId, "hold").onHold(); 678 } else { 679 findConferenceForAction(callId, "hold").onHold(); 680 } 681 } 682 683 private void unhold(String callId) { 684 Log.d(this, "unhold %s", callId); 685 if (mConnectionById.containsKey(callId)) { 686 findConnectionForAction(callId, "unhold").onUnhold(); 687 } else { 688 findConferenceForAction(callId, "unhold").onUnhold(); 689 } 690 } 691 692 private void onAudioStateChanged(String callId, AudioState audioState) { 693 Log.d(this, "onAudioStateChanged %s %s", callId, audioState); 694 if (mConnectionById.containsKey(callId)) { 695 findConnectionForAction(callId, "onAudioStateChanged").setAudioState(audioState); 696 } else { 697 findConferenceForAction(callId, "onAudioStateChanged").setAudioState(audioState); 698 } 699 } 700 701 private void playDtmfTone(String callId, char digit) { 702 Log.d(this, "playDtmfTone %s %c", callId, digit); 703 if (mConnectionById.containsKey(callId)) { 704 findConnectionForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 705 } else { 706 findConferenceForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); 707 } 708 } 709 710 private void stopDtmfTone(String callId) { 711 Log.d(this, "stopDtmfTone %s", callId); 712 if (mConnectionById.containsKey(callId)) { 713 findConnectionForAction(callId, "stopDtmfTone").onStopDtmfTone(); 714 } else { 715 findConferenceForAction(callId, "stopDtmfTone").onStopDtmfTone(); 716 } 717 } 718 719 private void conference(String callId1, String callId2) { 720 Log.d(this, "conference %s, %s", callId1, callId2); 721 722 // Attempt to get second connection or conference. 723 Connection connection2 = findConnectionForAction(callId2, "conference"); 724 Conference conference2 = getNullConference(); 725 if (connection2 == getNullConnection()) { 726 conference2 = findConferenceForAction(callId2, "conference"); 727 if (conference2 == getNullConference()) { 728 Log.w(this, "Connection2 or Conference2 missing in conference request %s.", 729 callId2); 730 return; 731 } 732 } 733 734 // Attempt to get first connection or conference and perform merge. 735 Connection connection1 = findConnectionForAction(callId1, "conference"); 736 if (connection1 == getNullConnection()) { 737 Conference conference1 = findConferenceForAction(callId1, "addConnection"); 738 if (conference1 == getNullConference()) { 739 Log.w(this, 740 "Connection1 or Conference1 missing in conference request %s.", 741 callId1); 742 } else { 743 // Call 1 is a conference. 744 if (connection2 != getNullConnection()) { 745 // Call 2 is a connection so merge via call 1 (conference). 746 conference1.onMerge(connection2); 747 } else { 748 // Call 2 is ALSO a conference; this should never happen. 749 Log.wtf(this, "There can only be one conference and an attempt was made to " + 750 "merge two conferences."); 751 return; 752 } 753 } 754 } else { 755 // Call 1 is a connection. 756 if (conference2 != getNullConference()) { 757 // Call 2 is a conference, so merge via call 2. 758 conference2.onMerge(connection1); 759 } else { 760 // Call 2 is a connection, so merge together. 761 onConference(connection1, connection2); 762 } 763 } 764 } 765 766 private void splitFromConference(String callId) { 767 Log.d(this, "splitFromConference(%s)", callId); 768 769 Connection connection = findConnectionForAction(callId, "splitFromConference"); 770 if (connection == getNullConnection()) { 771 Log.w(this, "Connection missing in conference request %s.", callId); 772 return; 773 } 774 775 Conference conference = connection.getConference(); 776 if (conference != null) { 777 conference.onSeparate(connection); 778 } 779 } 780 781 private void mergeConference(String callId) { 782 Log.d(this, "mergeConference(%s)", callId); 783 Conference conference = findConferenceForAction(callId, "mergeConference"); 784 if (conference != null) { 785 conference.onMerge(); 786 } 787 } 788 789 private void swapConference(String callId) { 790 Log.d(this, "swapConference(%s)", callId); 791 Conference conference = findConferenceForAction(callId, "swapConference"); 792 if (conference != null) { 793 conference.onSwap(); 794 } 795 } 796 797 private void onPostDialContinue(String callId, boolean proceed) { 798 Log.d(this, "onPostDialContinue(%s)", callId); 799 findConnectionForAction(callId, "stopDtmfTone").onPostDialContinue(proceed); 800 } 801 802 private void onAdapterAttached() { 803 if (mAreAccountsInitialized) { 804 // No need to query again if we already did it. 805 return; 806 } 807 808 mAdapter.queryRemoteConnectionServices(new RemoteServiceCallback.Stub() { 809 @Override 810 public void onResult( 811 final List<ComponentName> componentNames, 812 final List<IBinder> services) { 813 mHandler.post(new Runnable() { 814 @Override 815 public void run() { 816 for (int i = 0; i < componentNames.size() && i < services.size(); i++) { 817 mRemoteConnectionManager.addConnectionService( 818 componentNames.get(i), 819 IConnectionService.Stub.asInterface(services.get(i))); 820 } 821 onAccountsInitialized(); 822 Log.d(this, "remote connection services found: " + services); 823 } 824 }); 825 } 826 827 @Override 828 public void onError() { 829 mHandler.post(new Runnable() { 830 @Override 831 public void run() { 832 mAreAccountsInitialized = true; 833 } 834 }); 835 } 836 }); 837 } 838 839 /** 840 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 841 * incoming request. This is used by {@code ConnectionService}s that are registered with 842 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to manage 843 * SIM-based incoming calls. 844 * 845 * @param connectionManagerPhoneAccount See description at 846 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 847 * @param request Details about the incoming call. 848 * @return The {@code Connection} object to satisfy this call, or {@code null} to 849 * not handle the call. 850 */ 851 public final RemoteConnection createRemoteIncomingConnection( 852 PhoneAccountHandle connectionManagerPhoneAccount, 853 ConnectionRequest request) { 854 return mRemoteConnectionManager.createRemoteConnection( 855 connectionManagerPhoneAccount, request, true); 856 } 857 858 /** 859 * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an 860 * outgoing request. This is used by {@code ConnectionService}s that are registered with 861 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER} and want to be able to use the 862 * SIM-based {@code ConnectionService} to place its outgoing calls. 863 * 864 * @param connectionManagerPhoneAccount See description at 865 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 866 * @param request Details about the incoming call. 867 * @return The {@code Connection} object to satisfy this call, or {@code null} to 868 * not handle the call. 869 */ 870 public final RemoteConnection createRemoteOutgoingConnection( 871 PhoneAccountHandle connectionManagerPhoneAccount, 872 ConnectionRequest request) { 873 return mRemoteConnectionManager.createRemoteConnection( 874 connectionManagerPhoneAccount, request, false); 875 } 876 877 /** 878 * Indicates to the relevant {@code RemoteConnectionService} that the specified 879 * {@link RemoteConnection}s should be merged into a conference call. 880 * <p> 881 * If the conference request is successful, the method {@link #onRemoteConferenceAdded} will 882 * be invoked. 883 * 884 * @param remoteConnection1 The first of the remote connections to conference. 885 * @param remoteConnection2 The second of the remote connections to conference. 886 */ 887 public final void conferenceRemoteConnections( 888 RemoteConnection remoteConnection1, 889 RemoteConnection remoteConnection2) { 890 mRemoteConnectionManager.conferenceRemoteConnections(remoteConnection1, remoteConnection2); 891 } 892 893 /** 894 * Adds a new conference call. When a conference call is created either as a result of an 895 * explicit request via {@link #onConference} or otherwise, the connection service should supply 896 * an instance of {@link Conference} by invoking this method. A conference call provided by this 897 * method will persist until {@link Conference#destroy} is invoked on the conference instance. 898 * 899 * @param conference The new conference object. 900 */ 901 public final void addConference(Conference conference) { 902 Log.d(this, "addConference: conference=%s", conference); 903 904 String id = addConferenceInternal(conference); 905 if (id != null) { 906 List<String> connectionIds = new ArrayList<>(2); 907 for (Connection connection : conference.getConnections()) { 908 if (mIdByConnection.containsKey(connection)) { 909 connectionIds.add(mIdByConnection.get(connection)); 910 } 911 } 912 ParcelableConference parcelableConference = new ParcelableConference( 913 conference.getPhoneAccountHandle(), 914 conference.getState(), 915 conference.getConnectionCapabilities(), 916 connectionIds, 917 conference.getVideoProvider() == null ? 918 null : conference.getVideoProvider().getInterface(), 919 conference.getVideoState(), 920 conference.getConnectTimeMillis() 921 conference.getStatusHints()); 922 923 mAdapter.addConferenceCall(id, parcelableConference); 924 mAdapter.setVideoProvider(id, conference.getVideoProvider()); 925 mAdapter.setVideoState(id, conference.getVideoState()); 926 927 // Go through any child calls and set the parent. 928 for (Connection connection : conference.getConnections()) { 929 String connectionId = mIdByConnection.get(connection); 930 if (connectionId != null) { 931 mAdapter.setIsConferenced(connectionId, id); 932 } 933 } 934 } 935 } 936 937 /** 938 * Adds a connection created by the {@link ConnectionService} and informs telecom of the new 939 * connection. 940 * 941 * @param phoneAccountHandle The phone account handle for the connection. 942 * @param connection The connection to add. 943 */ 944 public final void addExistingConnection(PhoneAccountHandle phoneAccountHandle, 945 Connection connection) { 946 947 String id = addExistingConnectionInternal(connection); 948 if (id != null) { 949 List<String> emptyList = new ArrayList<>(0); 950 951 ParcelableConnection parcelableConnection = new ParcelableConnection( 952 phoneAccountHandle, 953 connection.getState(), 954 connection.getConnectionCapabilities(), 955 connection.getAddress(), 956 connection.getAddressPresentation(), 957 connection.getCallerDisplayName(), 958 connection.getCallerDisplayNamePresentation(), 959 connection.getVideoProvider() == null ? 960 null : connection.getVideoProvider().getInterface(), 961 connection.getVideoState(), 962 connection.isRingbackRequested(), 963 connection.getAudioModeIsVoip(), 964 connection.getStatusHints(), 965 connection.getDisconnectCause(), 966 emptyList, connection.getCallSubstate()); 967 mAdapter.addExistingConnection(id, parcelableConnection); 968 } 969 } 970 971 /** 972 * Returns all the active {@code Connection}s for which this {@code ConnectionService} 973 * has taken responsibility. 974 * 975 * @return A collection of {@code Connection}s created by this {@code ConnectionService}. 976 */ 977 public final Collection<Connection> getAllConnections() { 978 return mConnectionById.values(); 979 } 980 981 /** 982 * Create a {@code Connection} given an incoming request. This is used to attach to existing 983 * incoming calls. 984 * 985 * @param connectionManagerPhoneAccount See description at 986 * {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. 987 * @param request Details about the incoming call. 988 * @return The {@code Connection} object to satisfy this call, or {@code null} to 989 * not handle the call. 990 */ 991 public Connection onCreateIncomingConnection( 992 PhoneAccountHandle connectionManagerPhoneAccount, 993 ConnectionRequest request) { 994 return null; 995 } 996 997 /** 998 * Create a {@code Connection} given an outgoing request. This is used to initiate new 999 * outgoing calls. 1000 * 1001 * @param connectionManagerPhoneAccount The connection manager account to use for managing 1002 * this call. 1003 * <p> 1004 * If this parameter is not {@code null}, it means that this {@code ConnectionService} 1005 * has registered one or more {@code PhoneAccount}s having 1006 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. This parameter will contain 1007 * one of these {@code PhoneAccount}s, while the {@code request} will contain another 1008 * (usually but not always distinct) {@code PhoneAccount} to be used for actually 1009 * making the connection. 1010 * <p> 1011 * If this parameter is {@code null}, it means that this {@code ConnectionService} is 1012 * being asked to make a direct connection. The 1013 * {@link ConnectionRequest#getAccountHandle()} of parameter {@code request} will be 1014 * a {@code PhoneAccount} registered by this {@code ConnectionService} to use for 1015 * making the connection. 1016 * @param request Details about the outgoing call. 1017 * @return The {@code Connection} object to satisfy this call, or the result of an invocation 1018 * of {@link Connection#createFailedConnection(DisconnectCause)} to not handle the call. 1019 */ 1020 public Connection onCreateOutgoingConnection( 1021 PhoneAccountHandle connectionManagerPhoneAccount, 1022 ConnectionRequest request) { 1023 return null; 1024 } 1025 1026 /** 1027 * Create a {@code Connection} for a new unknown call. An unknown call is a call originating 1028 * from the ConnectionService that was neither a user-initiated outgoing call, nor an incoming 1029 * call created using 1030 * {@code TelecomManager#addNewIncomingCall(PhoneAccountHandle, android.os.Bundle)}. 1031 * 1032 * @param connectionManagerPhoneAccount 1033 * @param request 1034 * @return 1035 * 1036 * @hide 1037 */ 1038 public Connection onCreateUnknownConnection(PhoneAccountHandle connectionManagerPhoneAccount, 1039 ConnectionRequest request) { 1040 return null; 1041 } 1042 1043 /** 1044 * Conference two specified connections. Invoked when the user has made a request to merge the 1045 * specified connections into a conference call. In response, the connection service should 1046 * create an instance of {@link Conference} and pass it into {@link #addConference}. 1047 * 1048 * @param connection1 A connection to merge into a conference call. 1049 * @param connection2 A connection to merge into a conference call. 1050 */ 1051 public void onConference(Connection connection1, Connection connection2) {} 1052 1053 /** 1054 * Indicates that a remote conference has been created for existing {@link RemoteConnection}s. 1055 * When this method is invoked, this {@link ConnectionService} should create its own 1056 * representation of the conference call and send it to telecom using {@link #addConference}. 1057 * <p> 1058 * This is only relevant to {@link ConnectionService}s which are registered with 1059 * {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. 1060 * 1061 * @param conference The remote conference call. 1062 */ 1063 public void onRemoteConferenceAdded(RemoteConference conference) {} 1064 1065 /** 1066 * Called when an existing connection is added remotely. 1067 * @param connection The existing connection which was added. 1068 */ 1069 public void onRemoteExistingConnectionAdded(RemoteConnection connection) {} 1070 1071 /** 1072 * @hide 1073 */ 1074 public boolean containsConference(Conference conference) { 1075 return mIdByConference.containsKey(conference); 1076 } 1077 1078 /** {@hide} */ 1079 void addRemoteConference(RemoteConference remoteConference) { 1080 onRemoteConferenceAdded(remoteConference); 1081 } 1082 1083 /** {@hide} */ 1084 void addRemoteExistingConnection(RemoteConnection remoteConnection) { 1085 onRemoteExistingConnectionAdded(remoteConnection); 1086 } 1087 1088 private void onAccountsInitialized() { 1089 mAreAccountsInitialized = true; 1090 for (Runnable r : mPreInitializationConnectionRequests) { 1091 r.run(); 1092 } 1093 mPreInitializationConnectionRequests.clear(); 1094 } 1095 1096 /** 1097 * Adds an existing connection to the list of connections, identified by a new UUID. 1098 * 1099 * @param connection The connection. 1100 * @return The UUID of the connection (e.g. the call-id). 1101 */ 1102 private String addExistingConnectionInternal(Connection connection) { 1103 String id = UUID.randomUUID().toString(); 1104 addConnection(id, connection); 1105 return id; 1106 } 1107 1108 private void addConnection(String callId, Connection connection) { 1109 mConnectionById.put(callId, connection); 1110 mIdByConnection.put(connection, callId); 1111 connection.addConnectionListener(mConnectionListener); 1112 connection.setConnectionService(this); 1113 } 1114 1115 /** {@hide} */ 1116 protected void removeConnection(Connection connection) { 1117 String id = mIdByConnection.get(connection); 1118 connection.unsetConnectionService(this); 1119 connection.removeConnectionListener(mConnectionListener); 1120 mConnectionById.remove(mIdByConnection.get(connection)); 1121 mIdByConnection.remove(connection); 1122 mAdapter.removeCall(id); 1123 } 1124 1125 private String addConferenceInternal(Conference conference) { 1126 if (mIdByConference.containsKey(conference)) { 1127 Log.w(this, "Re-adding an existing conference: %s.", conference); 1128 } else if (conference != null) { 1129 String id = UUID.randomUUID().toString(); 1130 mConferenceById.put(id, conference); 1131 mIdByConference.put(conference, id); 1132 conference.addListener(mConferenceListener); 1133 return id; 1134 } 1135 1136 return null; 1137 } 1138 1139 private void removeConference(Conference conference) { 1140 if (mIdByConference.containsKey(conference)) { 1141 conference.removeListener(mConferenceListener); 1142 1143 String id = mIdByConference.get(conference); 1144 mConferenceById.remove(id); 1145 mIdByConference.remove(conference); 1146 mAdapter.removeCall(id); 1147 } 1148 } 1149 1150 private Connection findConnectionForAction(String callId, String action) { 1151 if (mConnectionById.containsKey(callId)) { 1152 return mConnectionById.get(callId); 1153 } 1154 Log.w(this, "%s - Cannot find Connection %s", action, callId); 1155 return getNullConnection(); 1156 } 1157 1158 static synchronized Connection getNullConnection() { 1159 if (sNullConnection == null) { 1160 sNullConnection = new Connection() {}; 1161 } 1162 return sNullConnection; 1163 } 1164 1165 private Conference findConferenceForAction(String conferenceId, String action) { 1166 if (mConferenceById.containsKey(conferenceId)) { 1167 return mConferenceById.get(conferenceId); 1168 } 1169 Log.w(this, "%s - Cannot find conference %s", action, conferenceId); 1170 return getNullConference(); 1171 } 1172 1173 private List<String> createConnectionIdList(List<Connection> connections) { 1174 List<String> ids = new ArrayList<>(); 1175 for (Connection c : connections) { 1176 if (mIdByConnection.containsKey(c)) { 1177 ids.add(mIdByConnection.get(c)); 1178 } 1179 } 1180 Collections.sort(ids); 1181 return ids; 1182 } 1183 1184 /** 1185 * Builds a list of {@link Connection} and {@link Conference} IDs based on the list of 1186 * {@link IConferenceable}s passed in. 1187 * 1188 * @param conferenceables The {@link IConferenceable} connections and conferences. 1189 * @return List of string conference and call Ids. 1190 */ 1191 private List<String> createIdList(List<IConferenceable> conferenceables) { 1192 List<String> ids = new ArrayList<>(); 1193 for (IConferenceable c : conferenceables) { 1194 // Only allow Connection and Conference conferenceables. 1195 if (c instanceof Connection) { 1196 Connection connection = (Connection) c; 1197 if (mIdByConnection.containsKey(connection)) { 1198 ids.add(mIdByConnection.get(connection)); 1199 } 1200 } else if (c instanceof Conference) { 1201 Conference conference = (Conference) c; 1202 if (mIdByConference.containsKey(conference)) { 1203 ids.add(mIdByConference.get(conference)); 1204 } 1205 } 1206 } 1207 Collections.sort(ids); 1208 return ids; 1209 } 1210 1211 private Conference getNullConference() { 1212 if (sNullConference == null) { 1213 sNullConference = new Conference(null) {}; 1214 } 1215 return sNullConference; 1216 } 1217 1218 private void endAllConnections() { 1219 // Unbound from telecomm. We should end all connections and conferences. 1220 for (Connection connection : mIdByConnection.keySet()) { 1221 // only operate on top-level calls. Conference calls will be removed on their own. 1222 if (connection.getConference() == null) { 1223 connection.onDisconnect(); 1224 } 1225 } 1226 for (Conference conference : mIdByConference.keySet()) { 1227 conference.onDisconnect(); 1228 } 1229 } 1230} 1231