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 (true) {
157 return; // We do this inside the startRinging in the rtpConnection now so that fallback is possible
158 }
159 if (rtpConnection.isTerminated()) {
160 Log.d(
161 Config.LOGTAG,
162 "skip call integration because something must have gone during initiate");
163 return;
164 }
165 if (CallIntegrationConnectionService.addNewIncomingCall(
166 mXmppConnectionService, rtpConnection.getId())) {
167 return;
168 }
169 rtpConnection.integrationFailure();
170 }
171
172 private void sendSessionTerminate(
173 final Account account, final Iq request, final AbstractJingleConnection.Id id) {
174 mXmppConnectionService.sendIqPacket(
175 account, request.generateResponse(Iq.Type.RESULT), null);
176 final var iq = new Iq(Iq.Type.SET);
177 iq.setTo(id.with);
178 final var sessionTermination =
179 iq.addExtension(new Jingle(Jingle.Action.SESSION_TERMINATE, id.sessionId));
180 sessionTermination.setReason(Reason.BUSY, null);
181 mXmppConnectionService.sendIqPacket(account, iq, null);
182 }
183
184 private boolean isUsingClearNet(final Account account) {
185 return !account.isOnion() && !mXmppConnectionService.useTorToConnect();
186 }
187
188 public boolean isBusy() {
189 for (final AbstractJingleConnection connection : this.connections.values()) {
190 if (connection instanceof JingleRtpConnection rtpConnection) {
191 if (connection.isTerminated() && rtpConnection.getCallIntegration().isDestroyed()) {
192 continue;
193 }
194 return true;
195 }
196 }
197 synchronized (this.rtpSessionProposals) {
198 if (this.rtpSessionProposals.containsValue(DeviceDiscoveryState.DISCOVERED)) return true;
199 if (this.rtpSessionProposals.containsValue(DeviceDiscoveryState.SEARCHING)) return true;
200 if (this.rtpSessionProposals.containsValue(DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED)) return true;
201 return false;
202 }
203 }
204
205 public boolean hasJingleRtpConnection(final Account account) {
206 for (AbstractJingleConnection connection : this.connections.values()) {
207 if (connection instanceof JingleRtpConnection rtpConnection) {
208 if (rtpConnection.isTerminated()) {
209 continue;
210 }
211 if (rtpConnection.id.account == account) {
212 return true;
213 }
214 }
215 }
216 return false;
217 }
218
219 private Optional<RtpSessionProposal> findMatchingSessionProposal(
220 final Account account, final Jid with, final Set<Media> media) {
221 synchronized (this.rtpSessionProposals) {
222 for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
223 this.rtpSessionProposals.entrySet()) {
224 final RtpSessionProposal proposal = entry.getKey();
225 final DeviceDiscoveryState state = entry.getValue();
226 final boolean openProposal =
227 state == DeviceDiscoveryState.DISCOVERED
228 || state == DeviceDiscoveryState.SEARCHING
229 || state == DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED;
230 if (openProposal
231 && proposal.account == account
232 && proposal.with.equals(with.asBareJid())
233 && proposal.media.equals(media)) {
234 return Optional.of(proposal);
235 }
236 }
237 }
238 return Optional.absent();
239 }
240
241 private String hasMatchingRtpSession(final Account account, final Jid with, final Set<Media> media) {
242 for (AbstractJingleConnection connection : this.connections.values()) {
243 if (connection instanceof JingleRtpConnection rtpConnection) {
244 if (rtpConnection.isTerminated()) {
245 continue;
246 }
247 if (rtpConnection.getId().account == account
248 && rtpConnection.getId().with.asBareJid().equals(with.asBareJid())
249 && rtpConnection.getMedia().equals(media)) {
250 return rtpConnection.getId().sessionId;
251 }
252 }
253 }
254 return null;
255 }
256
257 private boolean isWithStrangerAndStrangerNotificationsAreOff(final Account account, Jid with) {
258 final boolean notifyForStrangers =
259 mXmppConnectionService.getNotificationService().notificationsFromStrangers();
260 if (notifyForStrangers) {
261 return false;
262 }
263 final Contact contact = account.getRoster().getContact(with);
264 return !contact.showInContactList();
265 }
266
267 ScheduledFuture<?> schedule(
268 final Runnable runnable, final long delay, final TimeUnit timeUnit) {
269 return SCHEDULED_EXECUTOR_SERVICE.schedule(runnable, delay, timeUnit);
270 }
271
272 void respondWithJingleError(
273 final Account account,
274 final Iq original,
275 final String jingleCondition,
276 final String condition,
277 final String conditionType) {
278 final Iq response = original.generateResponse(Iq.Type.ERROR);
279 final Element error = response.addChild("error");
280 error.setAttribute("type", conditionType);
281 error.addChild(condition, "urn:ietf:params:xml:ns:xmpp-stanzas");
282 if (jingleCondition != null) {
283 error.addChild(jingleCondition, Namespace.JINGLE_ERRORS);
284 }
285 account.getXmppConnection().sendIqPacket(response, null);
286 }
287
288 public void deliverMessage(
289 final Account account,
290 final Jid to,
291 final Jid from,
292 final Element message,
293 String remoteMsgId,
294 String serverMsgId,
295 long timestamp) {
296 Preconditions.checkArgument(Namespace.JINGLE_MESSAGE.equals(message.getNamespace()));
297 final String sessionId = message.getAttribute("id");
298 if (sessionId == null) {
299 return;
300 }
301 if ("accept".equals(message.getName()) || "reject".equals(message.getName())) {
302 for (AbstractJingleConnection connection : connections.values()) {
303 if (connection instanceof JingleRtpConnection rtpConnection) {
304 final AbstractJingleConnection.Id id = connection.getId();
305 if (id.account == account && id.sessionId.equals(sessionId)) {
306 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
307 return;
308 }
309 }
310 }
311 if ("accept".equals(message.getName())) return;
312 }
313 final boolean fromSelf = from.asBareJid().equals(account.getJid().asBareJid());
314 // XEP version 0.6.0 sends proceed, reject, ringing to bare jid
315 final boolean addressedDirectly = to != null && to.equals(account.getJid());
316 final AbstractJingleConnection.Id id;
317 if (fromSelf) {
318 if (to != null && to.isFullJid()) {
319 id = AbstractJingleConnection.Id.of(account, to, sessionId);
320 } else {
321 return;
322 }
323 } else {
324 id = AbstractJingleConnection.Id.of(account, from, sessionId);
325 }
326 final AbstractJingleConnection existingJingleConnection = connections.get(id);
327 if (existingJingleConnection != null) {
328 if (existingJingleConnection instanceof JingleRtpConnection) {
329 ((JingleRtpConnection) existingJingleConnection)
330 .deliveryMessage(from, message, serverMsgId, timestamp);
331 } else {
332 Log.d(
333 Config.LOGTAG,
334 account.getJid().asBareJid()
335 + ": "
336 + existingJingleConnection.getClass().getName()
337 + " does not support jingle messages");
338 }
339 return;
340 }
341
342 if (fromSelf) {
343 if ("proceed".equals(message.getName())) {
344 final Conversation c =
345 mXmppConnectionService.findOrCreateConversation(
346 account, id.with, false, false);
347 final Message previousBusy = c.findRtpSession(sessionId, Message.STATUS_RECEIVED);
348 if (previousBusy != null) {
349 previousBusy.setBody(new RtpSessionStatus(true, 0).toString());
350 if (serverMsgId != null) {
351 previousBusy.setServerMsgId(serverMsgId);
352 }
353 previousBusy.setTime(timestamp);
354 mXmppConnectionService.updateMessage(previousBusy, true);
355 Log.d(
356 Config.LOGTAG,
357 id.account.getJid().asBareJid()
358 + ": updated previous busy because call got picked up by another device");
359 mXmppConnectionService.getNotificationService().clearMissedCall(previousBusy);
360 return;
361 }
362 }
363 // TODO handle reject for cases where we don’t have carbon copies (normally reject is to
364 // be sent to own bare jid as well)
365 Log.d(
366 Config.LOGTAG,
367 account.getJid().asBareJid() + ": ignore jingle message from self");
368 return;
369 }
370
371 if ("propose".equals(message.getName())) {
372 final Propose propose = Propose.upgrade(message);
373 final List<GenericDescription> descriptions = propose.getDescriptions();
374 final Collection<RtpDescription> rtpDescriptions =
375 Collections2.transform(
376 Collections2.filter(descriptions, d -> d instanceof RtpDescription),
377 input -> (RtpDescription) input);
378 if (rtpDescriptions.size() > 0
379 && rtpDescriptions.size() == descriptions.size()
380 && isUsingClearNet(account)) {
381 final Collection<Media> media =
382 Collections2.transform(rtpDescriptions, RtpDescription::getMedia);
383 if (media.contains(Media.UNKNOWN)) {
384 Log.d(
385 Config.LOGTAG,
386 account.getJid().asBareJid()
387 + ": encountered unknown media in session proposal. "
388 + propose);
389 return;
390 }
391 final Optional<RtpSessionProposal> matchingSessionProposal =
392 findMatchingSessionProposal(account, id.with, ImmutableSet.copyOf(media));
393 if (matchingSessionProposal.isPresent()) {
394 final String ourSessionId = matchingSessionProposal.get().sessionId;
395 final String theirSessionId = id.sessionId;
396 if (ComparisonChain.start()
397 .compare(ourSessionId, theirSessionId)
398 .compare(
399 account.getJid().toEscapedString(),
400 id.with.toEscapedString())
401 .result()
402 > 0) {
403 Log.d(
404 Config.LOGTAG,
405 account.getJid().asBareJid()
406 + ": our session lost tie break. automatically accepting their session. winning Session="
407 + theirSessionId);
408 // TODO a retract for this reason should probably include some indication of
409 // tie break
410 retractSessionProposal(matchingSessionProposal.get());
411 final JingleRtpConnection rtpConnection =
412 new JingleRtpConnection(this, id, from);
413 this.connections.put(id, rtpConnection);
414 rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
415 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
416 addNewIncomingCall(rtpConnection);
417 // TODO actually do the automatic accept?!
418 } else {
419 Log.d(
420 Config.LOGTAG,
421 account.getJid().asBareJid()
422 + ": our session won tie break. waiting for other party to accept. winningSession="
423 + ourSessionId);
424 // TODO reject their session with <tie-break/>?
425 }
426 return;
427 }
428 final boolean stranger =
429 isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
430 if (isBusy() || stranger) {
431 writeLogMissedIncoming(
432 account,
433 id.with.asBareJid(),
434 id.sessionId,
435 serverMsgId,
436 timestamp,
437 stranger);
438 if (stranger) {
439 Log.d(
440 Config.LOGTAG,
441 id.account.getJid().asBareJid()
442 + ": ignoring call proposal from stranger "
443 + id.with);
444 return;
445 }
446 final int activeDevices = account.activeDevicesWithRtpCapability();
447 Log.d(Config.LOGTAG, "active devices with rtp capability: " + activeDevices);
448 if (activeDevices == 0) {
449 final var reject =
450 mXmppConnectionService
451 .getMessageGenerator()
452 .sessionReject(from, sessionId);
453 mXmppConnectionService.sendMessagePacket(account, reject);
454 } else {
455 Log.d(
456 Config.LOGTAG,
457 id.account.getJid().asBareJid()
458 + ": ignoring proposal because busy on this device but there are other devices");
459 }
460 } else {
461 final JingleRtpConnection rtpConnection =
462 new JingleRtpConnection(this, id, from);
463 this.connections.put(id, rtpConnection);
464 rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
465 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
466 addNewIncomingCall(rtpConnection);
467 }
468 } else {
469 Log.d(
470 Config.LOGTAG,
471 account.getJid().asBareJid()
472 + ": unable to react to proposed session with "
473 + rtpDescriptions.size()
474 + " rtp descriptions of "
475 + descriptions.size()
476 + " total descriptions");
477 }
478 } else if (addressedDirectly && "proceed".equals(message.getName())) {
479 synchronized (rtpSessionProposals) {
480 final RtpSessionProposal proposal =
481 getRtpSessionProposal(account, from.asBareJid(), sessionId);
482 if (proposal != null) {
483 rtpSessionProposals.remove(proposal);
484 final JingleRtpConnection rtpConnection =
485 new JingleRtpConnection(
486 this, id, account.getJid(), proposal.callIntegration);
487 rtpConnection.setProposedMedia(proposal.media);
488 this.connections.put(id, rtpConnection);
489 rtpConnection.transitionOrThrow(AbstractJingleConnection.State.PROPOSED);
490 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
491 } else {
492 Log.d(
493 Config.LOGTAG,
494 account.getJid().asBareJid()
495 + ": no rtp session ("
496 + sessionId
497 + ") proposal found for "
498 + from
499 + " to deliver proceed");
500 if (remoteMsgId == null) {
501 return;
502 }
503 final var errorMessage =
504 new im.conversations.android.xmpp.model.stanza.Message();
505 errorMessage.setTo(from);
506 errorMessage.setId(remoteMsgId);
507 errorMessage.setType(
508 im.conversations.android.xmpp.model.stanza.Message.Type.ERROR);
509 final Element error = errorMessage.addChild("error");
510 error.setAttribute("code", "404");
511 error.setAttribute("type", "cancel");
512 error.addChild("item-not-found", "urn:ietf:params:xml:ns:xmpp-stanzas");
513 mXmppConnectionService.sendMessagePacket(account, errorMessage);
514 }
515 }
516 } else if (addressedDirectly && "reject".equals(message.getName())) {
517 final RtpSessionProposal proposal =
518 getRtpSessionProposal(account, from.asBareJid(), sessionId);
519 synchronized (rtpSessionProposals) {
520 if (proposal != null) {
521 setTerminalSessionState(proposal, RtpEndUserState.DECLINED_OR_BUSY);
522 rtpSessionProposals.remove(proposal);
523 proposal.callIntegration.busy();
524 writeLogMissedOutgoing(
525 account, proposal.with, proposal.sessionId, serverMsgId, timestamp);
526 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
527 account,
528 proposal.with,
529 proposal.sessionId,
530 RtpEndUserState.DECLINED_OR_BUSY);
531 } else {
532 Log.d(
533 Config.LOGTAG,
534 account.getJid().asBareJid()
535 + ": no rtp session proposal found for "
536 + from
537 + " to deliver reject");
538 }
539 }
540 } else if (addressedDirectly && "ringing".equals(message.getName())) {
541 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + from + " started ringing");
542 updateProposedSessionDiscovered(
543 account, from, sessionId, DeviceDiscoveryState.DISCOVERED);
544 } else {
545 Log.d(
546 Config.LOGTAG,
547 account.getJid()
548 + ": received out of order jingle message from="
549 + from
550 + ", message="
551 + message
552 + ", addressedDirectly="
553 + addressedDirectly);
554 }
555 }
556
557 private RtpSessionProposal getRtpSessionProposal(
558 final Account account, Jid from, String sessionId) {
559 for (RtpSessionProposal rtpSessionProposal : rtpSessionProposals.keySet()) {
560 if (rtpSessionProposal.sessionId.equals(sessionId)
561 && rtpSessionProposal.with.equals(from)
562 && rtpSessionProposal.account.getJid().equals(account.getJid())) {
563 return rtpSessionProposal;
564 }
565 }
566 return null;
567 }
568
569 private void writeLogMissedOutgoing(
570 final Account account,
571 Jid with,
572 final String sessionId,
573 String serverMsgId,
574 long timestamp) {
575 final Conversation conversation =
576 mXmppConnectionService.findOrCreateConversation(
577 account, with.asBareJid(), false, false);
578 final Message message =
579 new Message(conversation, Message.STATUS_SEND, Message.TYPE_RTP_SESSION, sessionId);
580 message.setBody(new RtpSessionStatus(false, 0).toString());
581 message.setServerMsgId(serverMsgId);
582 message.setTime(timestamp);
583 writeMessage(message);
584 }
585
586 private void writeLogMissedIncoming(
587 final Account account,
588 final Jid with,
589 final String sessionId,
590 final String serverMsgId,
591 final long timestamp,
592 final boolean stranger) {
593 final Conversation conversation =
594 mXmppConnectionService.findOrCreateConversation(
595 account, with.asBareJid(), false, false);
596 final Message message =
597 new Message(
598 conversation, Message.STATUS_RECEIVED, Message.TYPE_RTP_SESSION, sessionId);
599 message.setBody(new RtpSessionStatus(false, 0).toString());
600 message.setServerMsgId(serverMsgId);
601 message.setTime(timestamp);
602 message.setCounterpart(with);
603 writeMessage(message);
604 if (stranger) {
605 return;
606 }
607 mXmppConnectionService.getNotificationService().pushMissedCallNow(message);
608 }
609
610 private void writeMessage(final Message message) {
611 final Conversational conversational = message.getConversation();
612 if (conversational instanceof Conversation) {
613 ((Conversation) conversational).add(message);
614 mXmppConnectionService.databaseBackend.createMessage(message);
615 mXmppConnectionService.updateConversationUi();
616 } else {
617 throw new IllegalStateException("Somehow the conversation in a message was a stub");
618 }
619 }
620
621 public void startJingleFileTransfer(final Message message) {
622 Preconditions.checkArgument(
623 message.isFileOrImage(), "Message is not of type file or image");
624 final Transferable old = message.getTransferable();
625 if (old != null) {
626 old.cancel();
627 }
628 final JingleFileTransferConnection connection =
629 new JingleFileTransferConnection(this, message);
630 this.connections.put(connection.getId(), connection);
631 connection.sendSessionInitialize();
632 }
633
634 public Optional<OngoingRtpSession> getOngoingRtpConnection(final Contact contact) {
635 for (final Map.Entry<AbstractJingleConnection.Id, AbstractJingleConnection> entry :
636 this.connections.entrySet()) {
637 if (entry.getValue() instanceof JingleRtpConnection jingleRtpConnection) {
638 final AbstractJingleConnection.Id id = entry.getKey();
639 if (id.account == contact.getAccount()
640 && id.with.asBareJid().equals(contact.getJid().asBareJid())) {
641 return Optional.of(jingleRtpConnection);
642 }
643 }
644 }
645 synchronized (this.rtpSessionProposals) {
646 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
647 this.rtpSessionProposals.entrySet()) {
648 final RtpSessionProposal proposal = entry.getKey();
649 if (proposal.account == contact.getAccount()
650 && contact.getJid().asBareJid().equals(proposal.with)) {
651 final DeviceDiscoveryState preexistingState = entry.getValue();
652 if (preexistingState != null
653 && preexistingState != DeviceDiscoveryState.FAILED) {
654 return Optional.of(proposal);
655 }
656 }
657 }
658 }
659 return Optional.absent();
660 }
661
662 public JingleRtpConnection getOngoingRtpConnection() {
663 for (final AbstractJingleConnection jingleConnection : this.connections.values()) {
664 if (jingleConnection instanceof JingleRtpConnection jingleRtpConnection) {
665 if (jingleRtpConnection.isTerminated()) {
666 continue;
667 }
668 return jingleRtpConnection;
669 }
670 }
671 return null;
672 }
673
674 void finishConnectionOrThrow(final AbstractJingleConnection connection) {
675 final AbstractJingleConnection.Id id = connection.getId();
676 if (this.connections.remove(id) == null) {
677 throw new IllegalStateException(
678 String.format("Unable to finish connection with id=%s", id));
679 }
680 // update chat UI to remove 'ongoing call' icon
681 mXmppConnectionService.updateConversationUi();
682 }
683
684 public boolean fireJingleRtpConnectionStateUpdates() {
685 for (final AbstractJingleConnection connection : this.connections.values()) {
686 if (connection instanceof JingleRtpConnection jingleRtpConnection) {
687 if (jingleRtpConnection.isTerminated()) {
688 continue;
689 }
690 jingleRtpConnection.fireStateUpdate();
691 return true;
692 }
693 }
694 return false;
695 }
696
697 public void retractSessionProposal(final Account account, final Jid with) {
698 synchronized (this.rtpSessionProposals) {
699 RtpSessionProposal matchingProposal = null;
700 for (RtpSessionProposal proposal : this.rtpSessionProposals.keySet()) {
701 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
702 matchingProposal = proposal;
703 break;
704 }
705 }
706 if (matchingProposal != null) {
707 retractSessionProposal(matchingProposal, false);
708 }
709 }
710 }
711
712 private void retractSessionProposal(final RtpSessionProposal rtpSessionProposal) {
713 retractSessionProposal(rtpSessionProposal, true);
714 }
715
716 private void retractSessionProposal(
717 final RtpSessionProposal rtpSessionProposal, final boolean refresh) {
718 final Account account = rtpSessionProposal.account;
719 Log.d(
720 Config.LOGTAG,
721 account.getJid().asBareJid()
722 + ": retracting rtp session proposal with "
723 + rtpSessionProposal.with);
724 this.rtpSessionProposals.remove(rtpSessionProposal);
725 rtpSessionProposal.callIntegration.retracted();
726 if (refresh) {
727 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
728 account,
729 rtpSessionProposal.with,
730 rtpSessionProposal.sessionId,
731 RtpEndUserState.RETRACTED);
732 }
733 final var messagePacket =
734 mXmppConnectionService.getMessageGenerator().sessionRetract(rtpSessionProposal);
735 writeLogMissedOutgoing(
736 account,
737 rtpSessionProposal.with,
738 rtpSessionProposal.sessionId,
739 null,
740 System.currentTimeMillis());
741 mXmppConnectionService.sendMessagePacket(account, messagePacket);
742 }
743
744 public JingleRtpConnection initializeRtpSession(
745 final Account account, final Jid with, final Set<Media> media) {
746 final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, with);
747 final JingleRtpConnection rtpConnection =
748 new JingleRtpConnection(this, id, account.getJid());
749 rtpConnection.setProposedMedia(media);
750 rtpConnection.getCallIntegration().startAudioRouting();
751 this.connections.put(id, rtpConnection);
752 rtpConnection.sendSessionInitiate();
753 return rtpConnection;
754 }
755
756 public @Nullable RtpSessionProposal proposeJingleRtpSession(
757 final Account account, final Jid with, final Set<Media> media) {
758 synchronized (this.rtpSessionProposals) {
759 for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
760 this.rtpSessionProposals.entrySet()) {
761 final RtpSessionProposal proposal = entry.getKey();
762 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
763 final DeviceDiscoveryState preexistingState = entry.getValue();
764 if (preexistingState != null
765 && preexistingState != DeviceDiscoveryState.FAILED) {
766 final RtpEndUserState endUserState = preexistingState.toEndUserState();
767 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
768 account, with, proposal.sessionId, endUserState);
769 return proposal;
770 }
771 }
772 }
773 if (isBusy()) {
774 if (hasMatchingRtpSession(account, with, media) != null) {
775 Log.d(
776 Config.LOGTAG,
777 "ignoring request to propose jingle session because the other party already created one for us");
778 // TODO return something that we can parse the connection of of
779 return null;
780 }
781 throw new IllegalStateException("There is already a running RTP session");
782 }
783 final CallIntegration callIntegration =
784 new CallIntegration(mXmppConnectionService.getApplicationContext());
785 callIntegration.setVideoState(
786 Media.audioOnly(media)
787 ? VideoProfile.STATE_AUDIO_ONLY
788 : VideoProfile.STATE_BIDIRECTIONAL);
789 callIntegration.setAddress(
790 CallIntegration.address(with.asBareJid()), TelecomManager.PRESENTATION_ALLOWED);
791 final var contact = account.getRoster().getContact(with);
792 callIntegration.setCallerDisplayName(
793 contact.getDisplayName(), TelecomManager.PRESENTATION_ALLOWED);
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 @Override
1289 public boolean applyDtmfTone(final String dtmf) {
1290 return false;
1291 }
1292 }
1293}