1package eu.siacs.conversations.xmpp.jingle;
2
3import android.telecom.TelecomManager;
4import android.telecom.VideoProfile;
5import android.util.Base64;
6import android.util.Log;
7
8import androidx.annotation.Nullable;
9
10import com.google.common.base.Objects;
11import com.google.common.base.Optional;
12import com.google.common.base.Preconditions;
13import com.google.common.cache.Cache;
14import com.google.common.cache.CacheBuilder;
15import com.google.common.collect.Collections2;
16import com.google.common.collect.ComparisonChain;
17import com.google.common.collect.ImmutableSet;
18
19import eu.siacs.conversations.Config;
20import eu.siacs.conversations.entities.Account;
21import eu.siacs.conversations.entities.Contact;
22import eu.siacs.conversations.entities.Conversation;
23import eu.siacs.conversations.entities.Conversational;
24import eu.siacs.conversations.entities.Message;
25import eu.siacs.conversations.entities.RtpSessionStatus;
26import eu.siacs.conversations.entities.Transferable;
27import eu.siacs.conversations.services.AbstractConnectionManager;
28import eu.siacs.conversations.services.CallIntegration;
29import eu.siacs.conversations.services.CallIntegrationConnectionService;
30import eu.siacs.conversations.services.XmppConnectionService;
31import eu.siacs.conversations.xml.Element;
32import eu.siacs.conversations.xml.Namespace;
33import eu.siacs.conversations.xmpp.Jid;
34import eu.siacs.conversations.xmpp.XmppConnection;
35import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
36import eu.siacs.conversations.xmpp.jingle.stanzas.GenericDescription;
37import eu.siacs.conversations.xmpp.jingle.stanzas.Propose;
38import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
39import eu.siacs.conversations.xmpp.jingle.stanzas.RtpDescription;
40import eu.siacs.conversations.xmpp.jingle.transports.InbandBytestreamsTransport;
41import eu.siacs.conversations.xmpp.jingle.transports.Transport;
42
43import im.conversations.android.xmpp.model.jingle.Jingle;
44import im.conversations.android.xmpp.model.stanza.Iq;
45
46import java.lang.ref.WeakReference;
47import java.security.SecureRandom;
48import java.util.Arrays;
49import java.util.Collection;
50import java.util.HashMap;
51import java.util.List;
52import java.util.Map;
53import java.util.Set;
54import java.util.concurrent.ConcurrentHashMap;
55import java.util.concurrent.Executors;
56import java.util.concurrent.ScheduledExecutorService;
57import java.util.concurrent.ScheduledFuture;
58import java.util.concurrent.TimeUnit;
59
60public class JingleConnectionManager extends AbstractConnectionManager {
61 public static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE =
62 Executors.newSingleThreadScheduledExecutor();
63 private final HashMap<RtpSessionProposal, DeviceDiscoveryState> rtpSessionProposals =
64 new HashMap<>();
65 private final ConcurrentHashMap<AbstractJingleConnection.Id, AbstractJingleConnection>
66 connections = new ConcurrentHashMap<>();
67
68 private final Cache<PersistableSessionId, TerminatedRtpSession> terminatedSessions =
69 CacheBuilder.newBuilder().expireAfterWrite(24, TimeUnit.HOURS).build();
70
71 public JingleConnectionManager(XmppConnectionService service) {
72 super(service);
73 }
74
75 static String nextRandomId() {
76 final byte[] id = new byte[16];
77 new SecureRandom().nextBytes(id);
78 return Base64.encodeToString(id, Base64.NO_WRAP | Base64.NO_PADDING | Base64.URL_SAFE);
79 }
80
81 public void deliverPacket(final Account account, final Iq packet) {
82 final var jingle = packet.getExtension(Jingle.class);
83 Preconditions.checkNotNull(
84 jingle, "Passed iq packet w/o jingle extension to Connection Manager");
85 final String sessionId = jingle.getSessionId();
86 final Jingle.Action action = jingle.getAction();
87 if (sessionId == null) {
88 respondWithJingleError(account, packet, "unknown-session", "item-not-found", "cancel");
89 return;
90 }
91 if (action == null) {
92 respondWithJingleError(account, packet, null, "bad-request", "cancel");
93 return;
94 }
95 final AbstractJingleConnection.Id id =
96 AbstractJingleConnection.Id.of(account, packet, jingle);
97 final AbstractJingleConnection existingJingleConnection = connections.get(id);
98 if (existingJingleConnection != null) {
99 existingJingleConnection.deliverPacket(packet);
100 } else if (action == Jingle.Action.SESSION_INITIATE) {
101 final Jid from = packet.getFrom();
102 final Content content = jingle.getJingleContent();
103 final String descriptionNamespace =
104 content == null ? null : content.getDescriptionNamespace();
105 final AbstractJingleConnection connection;
106 if (Namespace.JINGLE_APPS_FILE_TRANSFER.equals(descriptionNamespace)) {
107 connection = new JingleFileTransferConnection(this, id, from);
108 } else if (Namespace.JINGLE_APPS_RTP.equals(descriptionNamespace)
109 && isUsingClearNet(account)) {
110 final boolean sessionEnded =
111 this.terminatedSessions.asMap().containsKey(PersistableSessionId.of(id));
112 final boolean stranger =
113 isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
114 final boolean busy = isBusy();
115 if (busy || sessionEnded || stranger) {
116 Log.d(
117 Config.LOGTAG,
118 id.account.getJid().asBareJid()
119 + ": rejected session with "
120 + id.with
121 + " because busy. sessionEnded="
122 + sessionEnded
123 + ", stranger="
124 + stranger);
125 sendSessionTerminate(account, packet, id);
126 if (busy || stranger) {
127 writeLogMissedIncoming(
128 account,
129 id.with,
130 id.sessionId,
131 null,
132 System.currentTimeMillis(),
133 stranger);
134 }
135 return;
136 }
137 connection = new JingleRtpConnection(this, id, from);
138 } else {
139 respondWithJingleError(
140 account, packet, "unsupported-info", "feature-not-implemented", "cancel");
141 return;
142 }
143 connections.put(id, connection);
144 mXmppConnectionService.updateConversationUi();
145 connection.deliverPacket(packet);
146 if (connection instanceof JingleRtpConnection rtpConnection) {
147 addNewIncomingCall(rtpConnection);
148 }
149 } else {
150 Log.d(Config.LOGTAG, "unable to route jingle packet: " + packet);
151 respondWithJingleError(account, packet, "unknown-session", "item-not-found", "cancel");
152 }
153 }
154
155 private void addNewIncomingCall(final JingleRtpConnection rtpConnection) {
156 if (rtpConnection.isTerminated()) {
157 Log.d(
158 Config.LOGTAG,
159 "skip call integration because something must have gone during initiate");
160 return;
161 }
162 if (CallIntegrationConnectionService.addNewIncomingCall(
163 mXmppConnectionService, rtpConnection.getId())) {
164 return;
165 }
166 rtpConnection.integrationFailure();
167 }
168
169 private void sendSessionTerminate(
170 final Account account, final Iq request, final AbstractJingleConnection.Id id) {
171 mXmppConnectionService.sendIqPacket(
172 account, request.generateResponse(Iq.Type.RESULT), null);
173 final var iq = new Iq(Iq.Type.SET);
174 iq.setTo(id.with);
175 final var sessionTermination =
176 iq.addExtension(new Jingle(Jingle.Action.SESSION_TERMINATE, id.sessionId));
177 sessionTermination.setReason(Reason.BUSY, null);
178 mXmppConnectionService.sendIqPacket(account, iq, null);
179 }
180
181 private boolean isUsingClearNet(final Account account) {
182 return !account.isOnion() && !mXmppConnectionService.useTorToConnect();
183 }
184
185 public boolean isBusy() {
186 for (final AbstractJingleConnection connection : this.connections.values()) {
187 if (connection instanceof JingleRtpConnection rtpConnection) {
188 if (connection.isTerminated() && rtpConnection.getCallIntegration().isDestroyed()) {
189 continue;
190 }
191 return true;
192 }
193 }
194 synchronized (this.rtpSessionProposals) {
195 return this.rtpSessionProposals.containsValue(DeviceDiscoveryState.DISCOVERED)
196 || this.rtpSessionProposals.containsValue(DeviceDiscoveryState.SEARCHING)
197 || this.rtpSessionProposals.containsValue(
198 DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED);
199 }
200 }
201
202 public boolean hasJingleRtpConnection(final Account account) {
203 for (AbstractJingleConnection connection : this.connections.values()) {
204 if (connection instanceof JingleRtpConnection rtpConnection) {
205 if (rtpConnection.isTerminated()) {
206 continue;
207 }
208 if (rtpConnection.id.account == account) {
209 return true;
210 }
211 }
212 }
213 return false;
214 }
215
216 private Optional<RtpSessionProposal> findMatchingSessionProposal(
217 final Account account, final Jid with, final Set<Media> media) {
218 synchronized (this.rtpSessionProposals) {
219 for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
220 this.rtpSessionProposals.entrySet()) {
221 final RtpSessionProposal proposal = entry.getKey();
222 final DeviceDiscoveryState state = entry.getValue();
223 final boolean openProposal =
224 state == DeviceDiscoveryState.DISCOVERED
225 || state == DeviceDiscoveryState.SEARCHING
226 || state == DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED;
227 if (openProposal
228 && proposal.account == account
229 && proposal.with.equals(with.asBareJid())
230 && proposal.media.equals(media)) {
231 return Optional.of(proposal);
232 }
233 }
234 }
235 return Optional.absent();
236 }
237
238 private boolean hasMatchingRtpSession(
239 final Account account, final Jid with, final Set<Media> media) {
240 for (AbstractJingleConnection connection : this.connections.values()) {
241 if (connection instanceof JingleRtpConnection rtpConnection) {
242 if (rtpConnection.isTerminated()) {
243 continue;
244 }
245 if (rtpConnection.getId().account == account
246 && rtpConnection.getId().with.asBareJid().equals(with.asBareJid())
247 && rtpConnection.getMedia().equals(media)) {
248 return true;
249 }
250 }
251 }
252 return false;
253 }
254
255 private boolean isWithStrangerAndStrangerNotificationsAreOff(final Account account, Jid with) {
256 final boolean notifyForStrangers =
257 mXmppConnectionService.getNotificationService().notificationsFromStrangers();
258 if (notifyForStrangers) {
259 return false;
260 }
261 final Contact contact = account.getRoster().getContact(with);
262 return !contact.showInContactList();
263 }
264
265 ScheduledFuture<?> schedule(
266 final Runnable runnable, final long delay, final TimeUnit timeUnit) {
267 return SCHEDULED_EXECUTOR_SERVICE.schedule(runnable, delay, timeUnit);
268 }
269
270 void respondWithJingleError(
271 final Account account,
272 final Iq original,
273 final String jingleCondition,
274 final String condition,
275 final String conditionType) {
276 final Iq response = original.generateResponse(Iq.Type.ERROR);
277 final Element error = response.addChild("error");
278 error.setAttribute("type", conditionType);
279 error.addChild(condition, "urn:ietf:params:xml:ns:xmpp-stanzas");
280 if (jingleCondition != null) {
281 error.addChild(jingleCondition, Namespace.JINGLE_ERRORS);
282 }
283 account.getXmppConnection().sendIqPacket(response, null);
284 }
285
286 public void deliverMessage(
287 final Account account,
288 final Jid to,
289 final Jid from,
290 final Element message,
291 String remoteMsgId,
292 String serverMsgId,
293 long timestamp) {
294 Preconditions.checkArgument(Namespace.JINGLE_MESSAGE.equals(message.getNamespace()));
295 final String sessionId = message.getAttribute("id");
296 if (sessionId == null) {
297 return;
298 }
299 if ("accept".equals(message.getName())) {
300 for (AbstractJingleConnection connection : connections.values()) {
301 if (connection instanceof JingleRtpConnection rtpConnection) {
302 final AbstractJingleConnection.Id id = connection.getId();
303 if (id.account == account && id.sessionId.equals(sessionId)) {
304 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
305 return;
306 }
307 }
308 }
309 return;
310 }
311 final boolean fromSelf = from.asBareJid().equals(account.getJid().asBareJid());
312 // XEP version 0.6.0 sends proceed, reject, ringing to bare jid
313 final boolean addressedDirectly = to != null && to.equals(account.getJid());
314 final AbstractJingleConnection.Id id;
315 if (fromSelf) {
316 if (to != null && to.isFullJid()) {
317 id = AbstractJingleConnection.Id.of(account, to, sessionId);
318 } else {
319 return;
320 }
321 } else {
322 id = AbstractJingleConnection.Id.of(account, from, sessionId);
323 }
324 final AbstractJingleConnection existingJingleConnection = connections.get(id);
325 if (existingJingleConnection != null) {
326 if (existingJingleConnection instanceof JingleRtpConnection) {
327 ((JingleRtpConnection) existingJingleConnection)
328 .deliveryMessage(from, message, serverMsgId, timestamp);
329 } else {
330 Log.d(
331 Config.LOGTAG,
332 account.getJid().asBareJid()
333 + ": "
334 + existingJingleConnection.getClass().getName()
335 + " does not support jingle messages");
336 }
337 return;
338 }
339
340 if (fromSelf) {
341 if ("proceed".equals(message.getName())) {
342 final Conversation c =
343 mXmppConnectionService.findOrCreateConversation(
344 account, id.with, false, false);
345 final Message previousBusy = c.findRtpSession(sessionId, Message.STATUS_RECEIVED);
346 if (previousBusy != null) {
347 previousBusy.setBody(new RtpSessionStatus(true, 0).toString());
348 if (serverMsgId != null) {
349 previousBusy.setServerMsgId(serverMsgId);
350 }
351 previousBusy.setTime(timestamp);
352 mXmppConnectionService.updateMessage(previousBusy, true);
353 Log.d(
354 Config.LOGTAG,
355 id.account.getJid().asBareJid()
356 + ": updated previous busy because call got picked up by another device");
357 mXmppConnectionService.getNotificationService().clearMissedCall(previousBusy);
358 return;
359 }
360 }
361 // TODO handle reject for cases where we don’t have carbon copies (normally reject is to
362 // be sent to own bare jid as well)
363 Log.d(
364 Config.LOGTAG,
365 account.getJid().asBareJid() + ": ignore jingle message from self");
366 return;
367 }
368
369 if ("propose".equals(message.getName())) {
370 final Propose propose = Propose.upgrade(message);
371 final List<GenericDescription> descriptions = propose.getDescriptions();
372 final Collection<RtpDescription> rtpDescriptions =
373 Collections2.transform(
374 Collections2.filter(descriptions, d -> d instanceof RtpDescription),
375 input -> (RtpDescription) input);
376 if (rtpDescriptions.size() > 0
377 && rtpDescriptions.size() == descriptions.size()
378 && isUsingClearNet(account)) {
379 final Collection<Media> media =
380 Collections2.transform(rtpDescriptions, RtpDescription::getMedia);
381 if (media.contains(Media.UNKNOWN)) {
382 Log.d(
383 Config.LOGTAG,
384 account.getJid().asBareJid()
385 + ": encountered unknown media in session proposal. "
386 + propose);
387 return;
388 }
389 final Optional<RtpSessionProposal> matchingSessionProposal =
390 findMatchingSessionProposal(account, id.with, ImmutableSet.copyOf(media));
391 if (matchingSessionProposal.isPresent()) {
392 final String ourSessionId = matchingSessionProposal.get().sessionId;
393 final String theirSessionId = id.sessionId;
394 if (ComparisonChain.start()
395 .compare(ourSessionId, theirSessionId)
396 .compare(
397 account.getJid().toEscapedString(),
398 id.with.toEscapedString())
399 .result()
400 > 0) {
401 Log.d(
402 Config.LOGTAG,
403 account.getJid().asBareJid()
404 + ": our session lost tie break. automatically accepting their session. winning Session="
405 + theirSessionId);
406 // TODO a retract for this reason should probably include some indication of
407 // tie break
408 retractSessionProposal(matchingSessionProposal.get());
409 final JingleRtpConnection rtpConnection =
410 new JingleRtpConnection(this, id, from);
411 this.connections.put(id, rtpConnection);
412 rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
413 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
414 addNewIncomingCall(rtpConnection);
415 // TODO actually do the automatic accept?!
416 } else {
417 Log.d(
418 Config.LOGTAG,
419 account.getJid().asBareJid()
420 + ": our session won tie break. waiting for other party to accept. winningSession="
421 + ourSessionId);
422 // TODO reject their session with <tie-break/>?
423 }
424 return;
425 }
426 final boolean stranger =
427 isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
428 if (isBusy() || stranger) {
429 writeLogMissedIncoming(
430 account,
431 id.with.asBareJid(),
432 id.sessionId,
433 serverMsgId,
434 timestamp,
435 stranger);
436 if (stranger) {
437 Log.d(
438 Config.LOGTAG,
439 id.account.getJid().asBareJid()
440 + ": ignoring call proposal from stranger "
441 + id.with);
442 return;
443 }
444 final int activeDevices = account.activeDevicesWithRtpCapability();
445 Log.d(Config.LOGTAG, "active devices with rtp capability: " + activeDevices);
446 if (activeDevices == 0) {
447 final var reject =
448 mXmppConnectionService
449 .getMessageGenerator()
450 .sessionReject(from, sessionId);
451 mXmppConnectionService.sendMessagePacket(account, reject);
452 } else {
453 Log.d(
454 Config.LOGTAG,
455 id.account.getJid().asBareJid()
456 + ": ignoring proposal because busy on this device but there are other devices");
457 }
458 } else {
459 final JingleRtpConnection rtpConnection =
460 new JingleRtpConnection(this, id, from);
461 this.connections.put(id, rtpConnection);
462 rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
463 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
464 addNewIncomingCall(rtpConnection);
465 }
466 } else {
467 Log.d(
468 Config.LOGTAG,
469 account.getJid().asBareJid()
470 + ": unable to react to proposed session with "
471 + rtpDescriptions.size()
472 + " rtp descriptions of "
473 + descriptions.size()
474 + " total descriptions");
475 }
476 } else if (addressedDirectly && "proceed".equals(message.getName())) {
477 synchronized (rtpSessionProposals) {
478 final RtpSessionProposal proposal =
479 getRtpSessionProposal(account, from.asBareJid(), sessionId);
480 if (proposal != null) {
481 rtpSessionProposals.remove(proposal);
482 final JingleRtpConnection rtpConnection =
483 new JingleRtpConnection(
484 this, id, account.getJid(), proposal.callIntegration);
485 rtpConnection.setProposedMedia(proposal.media);
486 this.connections.put(id, rtpConnection);
487 rtpConnection.transitionOrThrow(AbstractJingleConnection.State.PROPOSED);
488 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
489 } else {
490 Log.d(
491 Config.LOGTAG,
492 account.getJid().asBareJid()
493 + ": no rtp session ("
494 + sessionId
495 + ") proposal found for "
496 + from
497 + " to deliver proceed");
498 if (remoteMsgId == null) {
499 return;
500 }
501 final var errorMessage =
502 new im.conversations.android.xmpp.model.stanza.Message();
503 errorMessage.setTo(from);
504 errorMessage.setId(remoteMsgId);
505 errorMessage.setType(
506 im.conversations.android.xmpp.model.stanza.Message.Type.ERROR);
507 final Element error = errorMessage.addChild("error");
508 error.setAttribute("code", "404");
509 error.setAttribute("type", "cancel");
510 error.addChild("item-not-found", "urn:ietf:params:xml:ns:xmpp-stanzas");
511 mXmppConnectionService.sendMessagePacket(account, errorMessage);
512 }
513 }
514 } else if (addressedDirectly && "reject".equals(message.getName())) {
515 final RtpSessionProposal proposal =
516 getRtpSessionProposal(account, from.asBareJid(), sessionId);
517 synchronized (rtpSessionProposals) {
518 if (proposal != null) {
519 setTerminalSessionState(proposal, RtpEndUserState.DECLINED_OR_BUSY);
520 rtpSessionProposals.remove(proposal);
521 proposal.callIntegration.busy();
522 writeLogMissedOutgoing(
523 account, proposal.with, proposal.sessionId, serverMsgId, timestamp);
524 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
525 account,
526 proposal.with,
527 proposal.sessionId,
528 RtpEndUserState.DECLINED_OR_BUSY);
529 } else {
530 Log.d(
531 Config.LOGTAG,
532 account.getJid().asBareJid()
533 + ": no rtp session proposal found for "
534 + from
535 + " to deliver reject");
536 }
537 }
538 } else if (addressedDirectly && "ringing".equals(message.getName())) {
539 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + from + " started ringing");
540 updateProposedSessionDiscovered(
541 account, from, sessionId, DeviceDiscoveryState.DISCOVERED);
542 } else {
543 Log.d(
544 Config.LOGTAG,
545 account.getJid()
546 + ": received out of order jingle message from="
547 + from
548 + ", message="
549 + message
550 + ", addressedDirectly="
551 + addressedDirectly);
552 }
553 }
554
555 private RtpSessionProposal getRtpSessionProposal(
556 final Account account, Jid from, String sessionId) {
557 for (RtpSessionProposal rtpSessionProposal : rtpSessionProposals.keySet()) {
558 if (rtpSessionProposal.sessionId.equals(sessionId)
559 && rtpSessionProposal.with.equals(from)
560 && rtpSessionProposal.account.getJid().equals(account.getJid())) {
561 return rtpSessionProposal;
562 }
563 }
564 return null;
565 }
566
567 private void writeLogMissedOutgoing(
568 final Account account,
569 Jid with,
570 final String sessionId,
571 String serverMsgId,
572 long timestamp) {
573 final Conversation conversation =
574 mXmppConnectionService.findOrCreateConversation(
575 account, with.asBareJid(), false, false);
576 final Message message =
577 new Message(conversation, Message.STATUS_SEND, Message.TYPE_RTP_SESSION, sessionId);
578 message.setBody(new RtpSessionStatus(false, 0).toString());
579 message.setServerMsgId(serverMsgId);
580 message.setTime(timestamp);
581 writeMessage(message);
582 }
583
584 private void writeLogMissedIncoming(
585 final Account account,
586 final Jid with,
587 final String sessionId,
588 final String serverMsgId,
589 final long timestamp,
590 final boolean stranger) {
591 final Conversation conversation =
592 mXmppConnectionService.findOrCreateConversation(
593 account, with.asBareJid(), false, false);
594 final Message message =
595 new Message(
596 conversation, Message.STATUS_RECEIVED, Message.TYPE_RTP_SESSION, sessionId);
597 message.setBody(new RtpSessionStatus(false, 0).toString());
598 message.setServerMsgId(serverMsgId);
599 message.setTime(timestamp);
600 message.setCounterpart(with);
601 writeMessage(message);
602 if (stranger) {
603 return;
604 }
605 mXmppConnectionService.getNotificationService().pushMissedCallNow(message);
606 }
607
608 private void writeMessage(final Message message) {
609 final Conversational conversational = message.getConversation();
610 if (conversational instanceof Conversation) {
611 ((Conversation) conversational).add(message);
612 mXmppConnectionService.databaseBackend.createMessage(message);
613 mXmppConnectionService.updateConversationUi();
614 } else {
615 throw new IllegalStateException("Somehow the conversation in a message was a stub");
616 }
617 }
618
619 public void startJingleFileTransfer(final Message message) {
620 Preconditions.checkArgument(
621 message.isFileOrImage(), "Message is not of type file or image");
622 final Transferable old = message.getTransferable();
623 if (old != null) {
624 old.cancel();
625 }
626 final JingleFileTransferConnection connection =
627 new JingleFileTransferConnection(this, message);
628 this.connections.put(connection.getId(), connection);
629 connection.sendSessionInitialize();
630 }
631
632 public Optional<OngoingRtpSession> getOngoingRtpConnection(final Contact contact) {
633 for (final Map.Entry<AbstractJingleConnection.Id, AbstractJingleConnection> entry :
634 this.connections.entrySet()) {
635 if (entry.getValue() instanceof JingleRtpConnection jingleRtpConnection) {
636 final AbstractJingleConnection.Id id = entry.getKey();
637 if (id.account == contact.getAccount()
638 && id.with.asBareJid().equals(contact.getJid().asBareJid())) {
639 return Optional.of(jingleRtpConnection);
640 }
641 }
642 }
643 synchronized (this.rtpSessionProposals) {
644 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
645 this.rtpSessionProposals.entrySet()) {
646 final RtpSessionProposal proposal = entry.getKey();
647 if (proposal.account == contact.getAccount()
648 && contact.getJid().asBareJid().equals(proposal.with)) {
649 final DeviceDiscoveryState preexistingState = entry.getValue();
650 if (preexistingState != null
651 && preexistingState != DeviceDiscoveryState.FAILED) {
652 return Optional.of(proposal);
653 }
654 }
655 }
656 }
657 return Optional.absent();
658 }
659
660 public JingleRtpConnection getOngoingRtpConnection() {
661 for (final AbstractJingleConnection jingleConnection : this.connections.values()) {
662 if (jingleConnection instanceof JingleRtpConnection jingleRtpConnection) {
663 if (jingleRtpConnection.isTerminated()) {
664 continue;
665 }
666 return jingleRtpConnection;
667 }
668 }
669 return null;
670 }
671
672 void finishConnectionOrThrow(final AbstractJingleConnection connection) {
673 final AbstractJingleConnection.Id id = connection.getId();
674 if (this.connections.remove(id) == null) {
675 throw new IllegalStateException(
676 String.format("Unable to finish connection with id=%s", id));
677 }
678 // update chat UI to remove 'ongoing call' icon
679 mXmppConnectionService.updateConversationUi();
680 }
681
682 public boolean fireJingleRtpConnectionStateUpdates() {
683 for (final AbstractJingleConnection connection : this.connections.values()) {
684 if (connection instanceof JingleRtpConnection jingleRtpConnection) {
685 if (jingleRtpConnection.isTerminated()) {
686 continue;
687 }
688 jingleRtpConnection.fireStateUpdate();
689 return true;
690 }
691 }
692 return false;
693 }
694
695 public void retractSessionProposal(final Account account, final Jid with) {
696 synchronized (this.rtpSessionProposals) {
697 RtpSessionProposal matchingProposal = null;
698 for (RtpSessionProposal proposal : this.rtpSessionProposals.keySet()) {
699 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
700 matchingProposal = proposal;
701 break;
702 }
703 }
704 if (matchingProposal != null) {
705 retractSessionProposal(matchingProposal, false);
706 }
707 }
708 }
709
710 private void retractSessionProposal(final RtpSessionProposal rtpSessionProposal) {
711 retractSessionProposal(rtpSessionProposal, true);
712 }
713
714 private void retractSessionProposal(
715 final RtpSessionProposal rtpSessionProposal, final boolean refresh) {
716 final Account account = rtpSessionProposal.account;
717 Log.d(
718 Config.LOGTAG,
719 account.getJid().asBareJid()
720 + ": retracting rtp session proposal with "
721 + rtpSessionProposal.with);
722 this.rtpSessionProposals.remove(rtpSessionProposal);
723 rtpSessionProposal.callIntegration.retracted();
724 if (refresh) {
725 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
726 account,
727 rtpSessionProposal.with,
728 rtpSessionProposal.sessionId,
729 RtpEndUserState.RETRACTED);
730 }
731 final var messagePacket =
732 mXmppConnectionService.getMessageGenerator().sessionRetract(rtpSessionProposal);
733 writeLogMissedOutgoing(
734 account,
735 rtpSessionProposal.with,
736 rtpSessionProposal.sessionId,
737 null,
738 System.currentTimeMillis());
739 mXmppConnectionService.sendMessagePacket(account, messagePacket);
740 }
741
742 public JingleRtpConnection initializeRtpSession(
743 final Account account, final Jid with, final Set<Media> media) {
744 final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, with);
745 final JingleRtpConnection rtpConnection =
746 new JingleRtpConnection(this, id, account.getJid());
747 rtpConnection.setProposedMedia(media);
748 rtpConnection.getCallIntegration().startAudioRouting();
749 this.connections.put(id, rtpConnection);
750 rtpConnection.sendSessionInitiate();
751 return rtpConnection;
752 }
753
754 public @Nullable RtpSessionProposal proposeJingleRtpSession(
755 final Account account, final Jid with, final Set<Media> media) {
756 synchronized (this.rtpSessionProposals) {
757 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
758 this.rtpSessionProposals.entrySet()) {
759 final RtpSessionProposal proposal = entry.getKey();
760 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
761 final DeviceDiscoveryState preexistingState = entry.getValue();
762 if (preexistingState != null
763 && preexistingState != DeviceDiscoveryState.FAILED) {
764 final RtpEndUserState endUserState = preexistingState.toEndUserState();
765 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
766 account, with, proposal.sessionId, endUserState);
767 return proposal;
768 }
769 }
770 }
771 if (isBusy()) {
772 if (hasMatchingRtpSession(account, with, media)) {
773 Log.d(
774 Config.LOGTAG,
775 "ignoring request to propose jingle session because the other party already created one for us");
776 // TODO return something that we can parse the connection of of
777 return null;
778 }
779 throw new IllegalStateException(
780 "There is already a running RTP session. This should have been caught by the UI");
781 }
782 final CallIntegration callIntegration =
783 new CallIntegration(mXmppConnectionService.getApplicationContext());
784 callIntegration.setVideoState(
785 Media.audioOnly(media)
786 ? VideoProfile.STATE_AUDIO_ONLY
787 : VideoProfile.STATE_BIDIRECTIONAL);
788 callIntegration.setAddress(
789 CallIntegration.address(with.asBareJid()), TelecomManager.PRESENTATION_ALLOWED);
790 final var contact = account.getRoster().getContact(with);
791 callIntegration.setCallerDisplayName(
792 contact.getDisplayName(), TelecomManager.PRESENTATION_ALLOWED);
793 callIntegration.setInitialized();
794 callIntegration.setInitialAudioDevice(CallIntegration.initialAudioDevice(media));
795 callIntegration.startAudioRouting();
796 final RtpSessionProposal proposal =
797 RtpSessionProposal.of(account, with.asBareJid(), media, callIntegration);
798 callIntegration.setCallback(new ProposalStateCallback(proposal));
799 this.rtpSessionProposals.put(proposal, DeviceDiscoveryState.SEARCHING);
800 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
801 account, proposal.with, proposal.sessionId, RtpEndUserState.FINDING_DEVICE);
802 final var messagePacket =
803 mXmppConnectionService.getMessageGenerator().sessionProposal(proposal);
804 // in privacy preserving environments 'propose' is only ACKed when we have presence
805 // subscription (to not leak presence). Therefor a timeout is only appropriate for
806 // contacts where we can expect the 'ringing' response
807 final boolean triggerTimeout =
808 Config.JINGLE_MESSAGE_INIT_STRICT_DEVICE_TIMEOUT
809 || contact.mutualPresenceSubscription();
810 SCHEDULED_EXECUTOR_SERVICE.schedule(
811 () -> {
812 final var currentProposalState = rtpSessionProposals.get(proposal);
813 Log.d(
814 Config.LOGTAG,
815 "proposal state after timeout " + currentProposalState);
816 if (triggerTimeout
817 && Arrays.asList(
818 DeviceDiscoveryState.SEARCHING,
819 DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED)
820 .contains(currentProposalState)) {
821 deviceDiscoveryTimeout(account, proposal);
822 }
823 },
824 Config.DEVICE_DISCOVERY_TIMEOUT,
825 TimeUnit.MILLISECONDS);
826 mXmppConnectionService.sendMessagePacket(account, messagePacket);
827 return proposal;
828 }
829 }
830
831 private void deviceDiscoveryTimeout(final Account account, final RtpSessionProposal proposal) {
832 // 'endUserState' is what we display in the UI. There is an argument to use 'BUSY' here
833 // instead
834 // we may or may not want to match this with the tone we are playing (see
835 // callIntegration.error() or callIntegration.busy())
836 final var endUserState = RtpEndUserState.CONNECTIVITY_ERROR;
837 Log.d(Config.LOGTAG, "call proposal still in device discovery state after timeout");
838 setTerminalSessionState(proposal, endUserState);
839
840 rtpSessionProposals.remove(proposal);
841 // error and busy would probably be both appropriate tones to play
842 // playing the error tone is probably more in line with what happens on a technical level
843 // and would be a similar UX to what happens when you call a user that doesn't exist
844 // playing the busy tone might be more in line with what some telephony networks play
845 proposal.callIntegration.error();
846 writeLogMissedOutgoing(
847 account, proposal.with, proposal.sessionId, null, System.currentTimeMillis());
848 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
849 account, proposal.with, proposal.sessionId, endUserState);
850
851 final var retraction =
852 mXmppConnectionService.getMessageGenerator().sessionRetract(proposal);
853 mXmppConnectionService.sendMessagePacket(account, retraction);
854 }
855
856 public void sendJingleMessageFinish(
857 final Contact contact, final String sessionId, final Reason reason) {
858 final var account = contact.getAccount();
859 final var messagePacket =
860 mXmppConnectionService
861 .getMessageGenerator()
862 .sessionFinish(contact.getJid(), sessionId, reason);
863 mXmppConnectionService.sendMessagePacket(account, messagePacket);
864 }
865
866 public Optional<RtpSessionProposal> matchingProposal(final Account account, final Jid with) {
867 synchronized (this.rtpSessionProposals) {
868 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
869 this.rtpSessionProposals.entrySet()) {
870 final RtpSessionProposal proposal = entry.getKey();
871 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
872 return Optional.of(proposal);
873 }
874 }
875 }
876 return Optional.absent();
877 }
878
879 public boolean hasMatchingProposal(final Account account, final Jid with) {
880 synchronized (this.rtpSessionProposals) {
881 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
882 this.rtpSessionProposals.entrySet()) {
883 final var state = entry.getValue();
884 final RtpSessionProposal proposal = entry.getKey();
885 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
886 // CallIntegrationConnectionService starts RtpSessionActivity with ACTION_VIEW
887 // and an EXTRA_LAST_REPORTED_STATE of DISCOVERING devices. however due to
888 // possible race conditions the state might have already moved on so we are
889 // going
890 // to update the UI
891 final RtpEndUserState endUserState = state.toEndUserState();
892 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
893 account, proposal.with, proposal.sessionId, endUserState);
894 return true;
895 }
896 }
897 }
898 return false;
899 }
900
901 public void deliverIbbPacket(final Account account, final Iq packet) {
902 final String sid;
903 final Element payload;
904 final InbandBytestreamsTransport.PacketType packetType;
905 if (packet.hasChild("open", Namespace.IBB)) {
906 packetType = InbandBytestreamsTransport.PacketType.OPEN;
907 payload = packet.findChild("open", Namespace.IBB);
908 sid = payload.getAttribute("sid");
909 } else if (packet.hasChild("data", Namespace.IBB)) {
910 packetType = InbandBytestreamsTransport.PacketType.DATA;
911 payload = packet.findChild("data", Namespace.IBB);
912 sid = payload.getAttribute("sid");
913 } else if (packet.hasChild("close", Namespace.IBB)) {
914 packetType = InbandBytestreamsTransport.PacketType.CLOSE;
915 payload = packet.findChild("close", Namespace.IBB);
916 sid = payload.getAttribute("sid");
917 } else {
918 packetType = null;
919 payload = null;
920 sid = null;
921 }
922 if (sid == null) {
923 Log.d(
924 Config.LOGTAG,
925 account.getJid().asBareJid() + ": unable to deliver ibb packet. missing sid");
926 account.getXmppConnection().sendIqPacket(packet.generateResponse(Iq.Type.ERROR), null);
927 return;
928 }
929 for (final AbstractJingleConnection connection : this.connections.values()) {
930 if (connection instanceof JingleFileTransferConnection fileTransfer) {
931 final Transport transport = fileTransfer.getTransport();
932 if (transport instanceof InbandBytestreamsTransport inBandTransport) {
933 if (sid.equals(inBandTransport.getStreamId())) {
934 if (inBandTransport.deliverPacket(packetType, packet.getFrom(), payload)) {
935 account.getXmppConnection()
936 .sendIqPacket(packet.generateResponse(Iq.Type.RESULT), null);
937 } else {
938 account.getXmppConnection()
939 .sendIqPacket(packet.generateResponse(Iq.Type.ERROR), null);
940 }
941 return;
942 }
943 }
944 }
945 }
946 Log.d(
947 Config.LOGTAG,
948 account.getJid().asBareJid() + ": unable to deliver ibb packet with sid=" + sid);
949 account.getXmppConnection().sendIqPacket(packet.generateResponse(Iq.Type.ERROR), null);
950 }
951
952 public void notifyRebound(final Account account) {
953 for (final AbstractJingleConnection connection : this.connections.values()) {
954 connection.notifyRebound();
955 }
956 final XmppConnection xmppConnection = account.getXmppConnection();
957 if (xmppConnection != null && xmppConnection.getFeatures().sm()) {
958 resendSessionProposals(account);
959 }
960 }
961
962 public WeakReference<JingleRtpConnection> findJingleRtpConnection(
963 Account account, Jid with, String sessionId) {
964 final AbstractJingleConnection.Id id =
965 AbstractJingleConnection.Id.of(account, with, sessionId);
966 final AbstractJingleConnection connection = connections.get(id);
967 if (connection instanceof JingleRtpConnection) {
968 return new WeakReference<>((JingleRtpConnection) connection);
969 }
970 return null;
971 }
972
973 public JingleRtpConnection findJingleRtpConnection(final Account account, final Jid with) {
974 for (final AbstractJingleConnection connection : this.connections.values()) {
975 if (connection instanceof JingleRtpConnection rtpConnection) {
976 if (rtpConnection.isTerminated()) {
977 continue;
978 }
979 final var id = rtpConnection.getId();
980 if (id.account == account && account.getJid().equals(with)) {
981 return rtpConnection;
982 }
983 }
984 }
985 return null;
986 }
987
988 private void resendSessionProposals(final Account account) {
989 synchronized (this.rtpSessionProposals) {
990 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
991 this.rtpSessionProposals.entrySet()) {
992 final RtpSessionProposal proposal = entry.getKey();
993 if (entry.getValue() == DeviceDiscoveryState.SEARCHING
994 && proposal.account == account) {
995 Log.d(
996 Config.LOGTAG,
997 account.getJid().asBareJid()
998 + ": resending session proposal to "
999 + proposal.with);
1000 final var messagePacket =
1001 mXmppConnectionService.getMessageGenerator().sessionProposal(proposal);
1002 mXmppConnectionService.sendMessagePacket(account, messagePacket);
1003 }
1004 }
1005 }
1006 }
1007
1008 public void updateProposedSessionDiscovered(
1009 Account account, Jid from, String sessionId, final DeviceDiscoveryState target) {
1010 synchronized (this.rtpSessionProposals) {
1011 final RtpSessionProposal sessionProposal =
1012 getRtpSessionProposal(account, from.asBareJid(), sessionId);
1013 final DeviceDiscoveryState currentState =
1014 sessionProposal == null ? null : rtpSessionProposals.get(sessionProposal);
1015 if (currentState == null) {
1016 Log.d(
1017 Config.LOGTAG,
1018 "unable to find session proposal for session id "
1019 + sessionId
1020 + " target="
1021 + target);
1022 return;
1023 }
1024 if (currentState == DeviceDiscoveryState.DISCOVERED) {
1025 Log.d(
1026 Config.LOGTAG,
1027 "session proposal already at discovered. not going to fall back");
1028 return;
1029 }
1030
1031 Log.d(
1032 Config.LOGTAG,
1033 account.getJid().asBareJid()
1034 + ": flagging session "
1035 + sessionId
1036 + " as "
1037 + target);
1038
1039 final RtpEndUserState endUserState = target.toEndUserState();
1040
1041 if (target == DeviceDiscoveryState.FAILED) {
1042 Log.d(Config.LOGTAG, "removing session proposal after failure");
1043 setTerminalSessionState(sessionProposal, endUserState);
1044 this.rtpSessionProposals.remove(sessionProposal);
1045 sessionProposal.getCallIntegration().error();
1046 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
1047 account, sessionProposal.with, sessionProposal.sessionId, endUserState);
1048 return;
1049 }
1050
1051 this.rtpSessionProposals.put(sessionProposal, target);
1052
1053 if (endUserState == RtpEndUserState.RINGING) {
1054 sessionProposal.callIntegration.setDialing();
1055 }
1056
1057 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
1058 account, sessionProposal.with, sessionProposal.sessionId, endUserState);
1059 }
1060 }
1061
1062 public void rejectRtpSession(final String sessionId) {
1063 for (final AbstractJingleConnection connection : this.connections.values()) {
1064 if (connection.getId().sessionId.equals(sessionId)) {
1065 if (connection instanceof JingleRtpConnection) {
1066 try {
1067 ((JingleRtpConnection) connection).rejectCall();
1068 return;
1069 } catch (final IllegalStateException e) {
1070 Log.w(
1071 Config.LOGTAG,
1072 "race condition on rejecting call from notification",
1073 e);
1074 }
1075 }
1076 }
1077 }
1078 }
1079
1080 public void endRtpSession(final String sessionId) {
1081 for (final AbstractJingleConnection connection : this.connections.values()) {
1082 if (connection.getId().sessionId.equals(sessionId)) {
1083 if (connection instanceof JingleRtpConnection) {
1084 ((JingleRtpConnection) connection).endCall();
1085 }
1086 }
1087 }
1088 }
1089
1090 public void failProceed(
1091 Account account, final Jid with, final String sessionId, final String message) {
1092 final AbstractJingleConnection.Id id =
1093 AbstractJingleConnection.Id.of(account, with, sessionId);
1094 final AbstractJingleConnection existingJingleConnection = connections.get(id);
1095 if (existingJingleConnection instanceof JingleRtpConnection) {
1096 ((JingleRtpConnection) existingJingleConnection).deliverFailedProceed(message);
1097 }
1098 }
1099
1100 void ensureConnectionIsRegistered(final AbstractJingleConnection connection) {
1101 if (connections.containsValue(connection)) {
1102 return;
1103 }
1104 final IllegalStateException e =
1105 new IllegalStateException(
1106 "JingleConnection has not been registered with connection manager");
1107 Log.e(Config.LOGTAG, "ensureConnectionIsRegistered() failed. Going to throw", e);
1108 throw e;
1109 }
1110
1111 void setTerminalSessionState(
1112 AbstractJingleConnection.Id id, final RtpEndUserState state, final Set<Media> media) {
1113 this.terminatedSessions.put(
1114 PersistableSessionId.of(id), new TerminatedRtpSession(state, media));
1115 }
1116
1117 void setTerminalSessionState(final RtpSessionProposal proposal, final RtpEndUserState state) {
1118 this.terminatedSessions.put(
1119 PersistableSessionId.of(proposal), new TerminatedRtpSession(state, proposal.media));
1120 }
1121
1122 public TerminatedRtpSession getTerminalSessionState(final Jid with, final String sessionId) {
1123 return this.terminatedSessions.getIfPresent(new PersistableSessionId(with, sessionId));
1124 }
1125
1126 private static class PersistableSessionId {
1127 private final Jid with;
1128 private final String sessionId;
1129
1130 private PersistableSessionId(Jid with, String sessionId) {
1131 this.with = with;
1132 this.sessionId = sessionId;
1133 }
1134
1135 public static PersistableSessionId of(final AbstractJingleConnection.Id id) {
1136 return new PersistableSessionId(id.with, id.sessionId);
1137 }
1138
1139 public static PersistableSessionId of(final RtpSessionProposal proposal) {
1140 return new PersistableSessionId(proposal.with, proposal.sessionId);
1141 }
1142
1143 @Override
1144 public boolean equals(Object o) {
1145 if (this == o) return true;
1146 if (o == null || getClass() != o.getClass()) return false;
1147 PersistableSessionId that = (PersistableSessionId) o;
1148 return Objects.equal(with, that.with) && Objects.equal(sessionId, that.sessionId);
1149 }
1150
1151 @Override
1152 public int hashCode() {
1153 return Objects.hashCode(with, sessionId);
1154 }
1155 }
1156
1157 public static class TerminatedRtpSession {
1158 public final RtpEndUserState state;
1159 public final Set<Media> media;
1160
1161 TerminatedRtpSession(RtpEndUserState state, Set<Media> media) {
1162 this.state = state;
1163 this.media = media;
1164 }
1165 }
1166
1167 public enum DeviceDiscoveryState {
1168 SEARCHING,
1169 SEARCHING_ACKNOWLEDGED,
1170 DISCOVERED,
1171 FAILED;
1172
1173 public RtpEndUserState toEndUserState() {
1174 return switch (this) {
1175 case SEARCHING, SEARCHING_ACKNOWLEDGED -> RtpEndUserState.FINDING_DEVICE;
1176 case DISCOVERED -> RtpEndUserState.RINGING;
1177 default -> RtpEndUserState.CONNECTIVITY_ERROR;
1178 };
1179 }
1180 }
1181
1182 public static class RtpSessionProposal implements OngoingRtpSession {
1183 public final Jid with;
1184 public final String sessionId;
1185 public final Set<Media> media;
1186 private final Account account;
1187 private final CallIntegration callIntegration;
1188
1189 private RtpSessionProposal(
1190 Account account,
1191 Jid with,
1192 String sessionId,
1193 Set<Media> media,
1194 final CallIntegration callIntegration) {
1195 this.account = account;
1196 this.with = with;
1197 this.sessionId = sessionId;
1198 this.media = media;
1199 this.callIntegration = callIntegration;
1200 }
1201
1202 public static RtpSessionProposal of(
1203 Account account,
1204 Jid with,
1205 Set<Media> media,
1206 final CallIntegration callIntegration) {
1207 return new RtpSessionProposal(account, with, nextRandomId(), media, callIntegration);
1208 }
1209
1210 @Override
1211 public boolean equals(Object o) {
1212 if (this == o) return true;
1213 if (o == null || getClass() != o.getClass()) return false;
1214 RtpSessionProposal proposal = (RtpSessionProposal) o;
1215 return Objects.equal(account.getJid(), proposal.account.getJid())
1216 && Objects.equal(with, proposal.with)
1217 && Objects.equal(sessionId, proposal.sessionId);
1218 }
1219
1220 @Override
1221 public int hashCode() {
1222 return Objects.hashCode(account.getJid(), with, sessionId);
1223 }
1224
1225 @Override
1226 public Account getAccount() {
1227 return account;
1228 }
1229
1230 @Override
1231 public Jid getWith() {
1232 return with;
1233 }
1234
1235 @Override
1236 public String getSessionId() {
1237 return sessionId;
1238 }
1239
1240 @Override
1241 public CallIntegration getCallIntegration() {
1242 return this.callIntegration;
1243 }
1244
1245 @Override
1246 public Set<Media> getMedia() {
1247 return this.media;
1248 }
1249 }
1250
1251 public class ProposalStateCallback implements CallIntegration.Callback {
1252
1253 private final RtpSessionProposal proposal;
1254
1255 public ProposalStateCallback(final RtpSessionProposal proposal) {
1256 this.proposal = proposal;
1257 }
1258
1259 @Override
1260 public void onCallIntegrationShowIncomingCallUi() {}
1261
1262 @Override
1263 public void onCallIntegrationDisconnect() {
1264 Log.d(Config.LOGTAG, "a phone call has just been started. retracting proposal");
1265 retractSessionProposal(this.proposal);
1266 }
1267
1268 @Override
1269 public void onAudioDeviceChanged(
1270 final CallIntegration.AudioDevice selectedAudioDevice,
1271 final Set<CallIntegration.AudioDevice> availableAudioDevices) {
1272 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
1273 selectedAudioDevice, availableAudioDevices);
1274 }
1275
1276 @Override
1277 public void onCallIntegrationReject() {}
1278
1279 @Override
1280 public void onCallIntegrationAnswer() {}
1281
1282 @Override
1283 public void onCallIntegrationSilence() {}
1284
1285 @Override
1286 public void onCallIntegrationMicrophoneEnabled(boolean enabled) {}
1287 }
1288}