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Code Issues 5 Pull requests 1 Wiki Activity Actions 1

add optional strict offline checking for calls

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(cherry picked from commit 1090b2edd33b969cdae715f56c71aeace635dbf4)
This commit is contained in:
Daniel Gultsch 2024-01-18 13:09:04 +01:00 committed by Arne
parent 4a797a1834
commit 8f33f28f36
6 changed files with 139 additions and 188 deletions
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2
src/main/java/eu/siacs/conversations/Config.java
View file

@ -154,6 +154,8 @@ public final class Config {
public static final boolean DISABLE_PROXY_LOOKUP = false; //disables STUN/TURN and Proxy65 look up (useful to debug IBB fallback)
public static final boolean USE_DIRECT_JINGLE_CANDIDATES = true;
public static final boolean USE_JINGLE_MESSAGE_INIT = true;
public static final boolean JINGLE_MESSAGE_INIT_STRICT_OFFLINE_CHECK = false;
public static final boolean DISABLE_HTTP_UPLOAD = false;
public static final boolean EXTENDED_SM_LOGGING = false; // log stanza counts
public static final boolean BACKGROUND_STANZA_LOGGING = false; //log all stanzas that were received while the app is in background

6
src/main/java/eu/siacs/conversations/entities/Presences.java
View file

@ -102,6 +102,12 @@ public class Presences {
}
}
public boolean isEmpty() {
synchronized (this.presences) {
return this.presences.isEmpty();
}
}
public String[] toResourceArray() {
synchronized (this.presences) {
final String[] presencesArray = new String[presences.size()];

1
src/main/java/eu/siacs/conversations/services/CallIntegration.java
View file

@ -303,6 +303,7 @@ public class CallIntegration extends Connection {
@Override
public void onStateChanged(final int state) {
Log.d(Config.LOGTAG, "onStateChanged(" + state + ")");
// TODO devices before selfManaged() will likely have to play their own ringback sound
if (state == STATE_ACTIVE) {
playConnectedSound();
} else if (state == STATE_DISCONNECTED) {

28
src/main/java/eu/siacs/conversations/services/CallIntegrationConnectionService.java
View file

@ -97,15 +97,26 @@ public class CallIntegrationConnectionService extends ConnectionService {
intent.putExtra(RtpSessionActivity.EXTRA_WITH, with.toEscapedString());
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
final CallIntegration callIntegration;
final Connection callIntegration;
if (with.isBareJid()) {
final var proposal =
service.getJingleConnectionManager()
.proposeJingleRtpSession(account, with, media);
intent.putExtra(
RtpSessionActivity.EXTRA_LAST_REPORTED_STATE,
RtpEndUserState.FINDING_DEVICE.toString());
final var contact = account.getRoster().getContact(with);
if (Config.JINGLE_MESSAGE_INIT_STRICT_OFFLINE_CHECK
&& contact.getPresences().isEmpty()) {
intent.putExtra(
RtpSessionActivity.EXTRA_LAST_REPORTED_STATE,
RtpEndUserState.CONTACT_OFFLINE.toString());
callIntegration =
Connection.createFailedConnection(
new DisconnectCause(DisconnectCause.ERROR, "contact is offline"));
} else {
final var proposal =
service.getJingleConnectionManager()
.proposeJingleRtpSession(account, with, media);
intent.putExtra(
RtpSessionActivity.EXTRA_LAST_REPORTED_STATE,
RtpEndUserState.FINDING_DEVICE.toString());
callIntegration = proposal.getCallIntegration();
}
if (Media.audioOnly(media)) {
intent.putExtra(
RtpSessionActivity.EXTRA_LAST_ACTION,
@ -115,7 +126,6 @@ public class CallIntegrationConnectionService extends ConnectionService {
RtpSessionActivity.EXTRA_LAST_ACTION,
RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
}
callIntegration = proposal.getCallIntegration();
} else {
final JingleRtpConnection jingleRtpConnection =
service.getJingleConnectionManager().initializeRtpSession(account, with, media);

255
src/main/java/eu/siacs/conversations/ui/RtpSessionActivity.java
View file

@ -1,10 +1,10 @@
package eu.siacs.conversations.ui;
import static java.util.Arrays.asList;
import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
import static java.util.Arrays.asList;
import android.Manifest;
import org.jetbrains.annotations.NotNull;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.PictureInPictureParams;
@ -42,17 +42,6 @@ import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import org.jetbrains.annotations.NotNull;
import org.webrtc.RendererCommon;
import org.webrtc.SurfaceViewRenderer;
import org.webrtc.VideoTrack;
import java.lang.ref.WeakReference;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.databinding.ActivityRtpSessionBinding;
@ -68,7 +57,6 @@ import eu.siacs.conversations.ui.util.MainThreadExecutor;
import eu.siacs.conversations.ui.util.Rationals;
import eu.siacs.conversations.utils.PermissionUtils;
import eu.siacs.conversations.utils.TimeFrameUtils;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.Jid;
import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
import eu.siacs.conversations.xmpp.jingle.ContentAddition;
@ -77,11 +65,16 @@ import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
import eu.siacs.conversations.xmpp.jingle.Media;
import eu.siacs.conversations.xmpp.jingle.RtpCapability;
import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
import p32929.easypasscodelock.Utils.EasyLock;
import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
import static java.util.Arrays.asList;
import org.webrtc.RendererCommon;
import org.webrtc.SurfaceViewRenderer;
import org.webrtc.VideoTrack;
import java.lang.ref.WeakReference;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
public class RtpSessionActivity extends XmppActivity
implements XmppConnectionService.OnJingleRtpConnectionUpdate,
@ -97,10 +90,12 @@ public class RtpSessionActivity extends XmppActivity
private static final int CALL_DURATION_UPDATE_INTERVAL = 333;
public static final List<RtpEndUserState> END_CARD = Arrays.asList(
private static final List<RtpEndUserState> END_CARD =
Arrays.asList(
RtpEndUserState.APPLICATION_ERROR,
RtpEndUserState.SECURITY_ERROR,
RtpEndUserState.DECLINED_OR_BUSY,
RtpEndUserState.CONTACT_OFFLINE,
RtpEndUserState.CONNECTIVITY_ERROR,
RtpEndUserState.CONNECTIVITY_LOST_ERROR,
RtpEndUserState.RETRACTED);
@ -116,9 +111,7 @@ public class RtpSessionActivity extends XmppActivity
RtpEndUserState.RECONNECTING,
RtpEndUserState.INCOMING_CONTENT_ADD);
private static final List<RtpEndUserState> STATES_CONSIDERED_CONNECTED =
Arrays.asList(
RtpEndUserState.CONNECTED,
RtpEndUserState.RECONNECTING);
Arrays.asList(RtpEndUserState.CONNECTED, RtpEndUserState.RECONNECTING);
private static final List<RtpEndUserState> STATES_SHOWING_PIP_PLACEHOLDER =
Arrays.asList(
RtpEndUserState.ACCEPTING_CALL,
@ -165,49 +158,26 @@ public class RtpSessionActivity extends XmppActivity
@Override
public void onCreate(Bundle savedInstanceState) {
// Check if lock is set
if (getBooleanPreference("app_lock_enabled", R.bool.app_lock_enabled)) {
EasyLock.setBackgroundColor(getColor(R.color.primary_black));
EasyLock.checkPassword(this);
EasyLock.forgotPassword(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(RtpSessionActivity.this, R.string.app_lock_forgot_password, Toast.LENGTH_LONG).show();
}
});
}
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
getWindow()
.addFlags(
WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
this.binding = DataBindingUtil.setContentView(this, R.layout.activity_rtp_session);
setSupportActionBar(binding.toolbar);
binding.dialpad.setClickConsumer(tag -> {
final JingleRtpConnection connection =
this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
if (connection != null) connection.applyDtmfTone(tag);
});
if (savedInstanceState != null) {
boolean dialpadVisible = savedInstanceState.getBoolean("dialpad_visible");
binding.dialpad.setVisibility(dialpadVisible ? View.VISIBLE : View.GONE);
}
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
getMenuInflater().inflate(R.menu.activity_rtp_session, menu);
final MenuItem help = menu.findItem(R.id.action_help);
final MenuItem gotoChat = menu.findItem(R.id.action_goto_chat);
final MenuItem switchToVideo = menu.findItem(R.id.action_switch_to_video);
final MenuItem dialpad = menu.findItem(R.id.action_dialpad);
help.setVisible(Config.HELP != null && isHelpButtonVisible());
gotoChat.setVisible(isSwitchToConversationVisible());
switchToVideo.setVisible(isSwitchToVideoVisible());
dialpad.setVisible(isAudioOnlyConversation());
return super.onCreateOptionsMenu(menu);
}
@ -238,14 +208,6 @@ public class RtpSessionActivity extends XmppActivity
}
}
private boolean isAudioOnlyConversation() {
final JingleRtpConnection connection =
this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
return connection != null && !connection.getMedia().contains(Media.VIDEO);
}
private boolean isSwitchToConversationVisible() {
final JingleRtpConnection connection =
this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
@ -270,32 +232,20 @@ public class RtpSessionActivity extends XmppActivity
switchToConversation(conversation);
}
private void toggleDialpadVisibility() {
if (binding.dialpad.getVisibility() == View.VISIBLE) {
binding.dialpad.setVisibility(View.GONE);
}
else {
binding.dialpad.setVisibility(View.VISIBLE);
}
}
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case R.id.action_help:
launchHelpInBrowser();
return true;
case R.id.action_goto_chat:
switchToConversation();
return true;
case R.id.action_switch_to_video:
requestPermissionAndSwitchToVideo();
return true;
case R.id.action_dialpad:
toggleDialpadVisibility();
break;
final var itemItem = item.getItemId();
if (itemItem == R.id.action_help) {
launchHelpInBrowser();
return true;
} else if (itemItem == R.id.action_goto_chat) {
switchToConversation();
return true;
} else if (itemItem == R.id.action_switch_to_video) {
requestPermissionAndSwitchToVideo();
return true;
} else {
return super.onOptionsItemSelected(item);
}
return super.onOptionsItemSelected(item);
}
private void launchHelpInBrowser() {
@ -372,8 +322,9 @@ public class RtpSessionActivity extends XmppActivity
}
private void acceptContentAdd(final ContentAddition contentAddition) {
if (contentAddition == null || contentAddition.direction != ContentAddition.Direction.INCOMING) {
Log.d(Config.LOGTAG,"ignore press on content-accept button");
if (contentAddition == null
|| contentAddition.direction != ContentAddition.Direction.INCOMING) {
Log.d(Config.LOGTAG, "ignore press on content-accept button");
return;
}
requestPermissionAndAcceptContentAdd(contentAddition);
@ -382,7 +333,11 @@ public class RtpSessionActivity extends XmppActivity
private void requestPermissionAndAcceptContentAdd(final ContentAddition contentAddition) {
final List<String> permissions = permissions(contentAddition.media());
if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CONTENT)) {
requireRtpConnection().acceptContentAdd(contentAddition.summary);
try {
requireRtpConnection().acceptContentAdd(contentAddition.summary);
} catch (final IllegalStateException e) {
Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
}
}
@ -625,7 +580,7 @@ public class RtpSessionActivity extends XmppActivity
}
}
public void proposeJingleRtpSession(
private void proposeJingleRtpSession(
final Account account, final Jid with, final Set<Media> media) {
checkMicrophoneAvailabilityAsync();
if (with.isBareJid()) {
@ -671,13 +626,6 @@ public class RtpSessionActivity extends XmppActivity
.show();
}
}
@Override
protected void onSaveInstanceState(@NonNull @NotNull Bundle outState) {
super.onSaveInstanceState(outState);
int visibility = findViewById(R.id.dialpad).getVisibility();
outState.putInt("dialpad_visibility", visibility);
}
@Override
public void onStart() {
@ -741,8 +689,10 @@ public class RtpSessionActivity extends XmppActivity
private boolean isConnected() {
final JingleRtpConnection connection =
this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
final RtpEndUserState endUserState = connection == null ? null : connection.getEndUserState();
return STATES_CONSIDERED_CONNECTED.contains(endUserState) || endUserState == RtpEndUserState.INCOMING_CONTENT_ADD;
final RtpEndUserState endUserState =
connection == null ? null : connection.getEndUserState();
return STATES_CONSIDERED_CONNECTED.contains(endUserState)
|| endUserState == RtpEndUserState.INCOMING_CONTENT_ADD;
}
private boolean switchToPictureInPicture() {
@ -820,9 +770,8 @@ public class RtpSessionActivity extends XmppActivity
.getJingleConnectionManager()
.getTerminalSessionState(with, sessionId);
if (terminatedRtpSession == null) {
Log.e(Config.LOGTAG, "failed to initialize activity with running rtp session. session not found");
finish();
return true;
throw new IllegalStateException(
"failed to initialize activity with running rtp session. session not found");
}
initializeWithTerminatedSessionState(account, with, terminatedRtpSession);
return true;
@ -905,68 +854,44 @@ public class RtpSessionActivity extends XmppActivity
updateStateDisplay(state, Collections.emptySet(), null);
}
private void updateStateDisplay(final RtpEndUserState state, final Set<Media> media, final ContentAddition contentAddition) {
private void updateStateDisplay(
final RtpEndUserState state,
final Set<Media> media,
final ContentAddition contentAddition) {
switch (state) {
case INCOMING_CALL:
case INCOMING_CALL -> {
Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
if (media.contains(Media.VIDEO)) {
setTitle(R.string.rtp_state_incoming_video_call);
} else {
setTitle(R.string.rtp_state_incoming_call);
}
break;
case INCOMING_CONTENT_ADD:
}
case INCOMING_CONTENT_ADD -> {
if (contentAddition != null && contentAddition.media().contains(Media.VIDEO)) {
setTitle(R.string.rtp_state_content_add_video);
} else {
setTitle(R.string.rtp_state_content_add);
}
break;
case CONNECTING:
setTitle(R.string.rtp_state_connecting);
break;
case CONNECTED:
setTitle(R.string.rtp_state_connected);
break;
case RECONNECTING:
setTitle(R.string.rtp_state_reconnecting);
break;
case ACCEPTING_CALL:
setTitle(R.string.rtp_state_accepting_call);
break;
case ENDING_CALL:
setTitle(R.string.rtp_state_ending_call);
break;
case FINDING_DEVICE:
setTitle(R.string.rtp_state_finding_device);
break;
case RINGING:
setTitle(R.string.rtp_state_ringing);
break;
case DECLINED_OR_BUSY:
setTitle(R.string.rtp_state_declined_or_busy);
break;
case CONNECTIVITY_ERROR:
setTitle(R.string.rtp_state_connectivity_error);
break;
case CONNECTIVITY_LOST_ERROR:
setTitle(R.string.rtp_state_connectivity_lost_error);
break;
case RETRACTED:
setTitle(R.string.rtp_state_retracted);
break;
case APPLICATION_ERROR:
setTitle(R.string.rtp_state_application_failure);
break;
case SECURITY_ERROR:
setTitle(R.string.rtp_state_security_error);
break;
case ENDED:
throw new IllegalStateException(
"Activity should have called finishAndReleaseWakeLock();");
default:
throw new IllegalStateException(
String.format("State %s has not been handled in UI", state));
}
case CONNECTING -> setTitle(R.string.rtp_state_connecting);
case CONNECTED -> setTitle(R.string.rtp_state_connected);
case RECONNECTING -> setTitle(R.string.rtp_state_reconnecting);
case ACCEPTING_CALL -> setTitle(R.string.rtp_state_accepting_call);
case ENDING_CALL -> setTitle(R.string.rtp_state_ending_call);
case FINDING_DEVICE -> setTitle(R.string.rtp_state_finding_device);
case RINGING -> setTitle(R.string.rtp_state_ringing);
case DECLINED_OR_BUSY -> setTitle(R.string.rtp_state_declined_or_busy);
case CONTACT_OFFLINE -> setTitle(R.string.rtp_state_contact_offline);
case CONNECTIVITY_ERROR -> setTitle(R.string.rtp_state_connectivity_error);
case CONNECTIVITY_LOST_ERROR -> setTitle(R.string.rtp_state_connectivity_lost_error);
case RETRACTED -> setTitle(R.string.rtp_state_retracted);
case APPLICATION_ERROR -> setTitle(R.string.rtp_state_application_failure);
case SECURITY_ERROR -> setTitle(R.string.rtp_state_security_error);
case ENDED -> throw new IllegalStateException(
"Activity should have called finishAndReleaseWakeLock();");
default -> throw new IllegalStateException(
String.format("State %s has not been handled in UI", state));
}
}
@ -1022,7 +947,10 @@ public class RtpSessionActivity extends XmppActivity
}
@SuppressLint("RestrictedApi")
private void updateButtonConfiguration(final RtpEndUserState state, final Set<Media> media, final ContentAddition contentAddition) {
private void updateButtonConfiguration(
final RtpEndUserState state,
final Set<Media> media,
final ContentAddition contentAddition) {
if (state == RtpEndUserState.ENDING_CALL || isPictureInPicture()) {
this.binding.rejectCall.setVisibility(View.INVISIBLE);
this.binding.endCall.setVisibility(View.INVISIBLE);
@ -1038,7 +966,8 @@ public class RtpSessionActivity extends XmppActivity
this.binding.acceptCall.setImageResource(R.drawable.ic_call_white_48dp);
this.binding.acceptCall.setVisibility(View.VISIBLE);
} else if (state == RtpEndUserState.INCOMING_CONTENT_ADD) {
this.binding.rejectCall.setContentDescription(getString(R.string.reject_switch_to_video));
this.binding.rejectCall.setContentDescription(
getString(R.string.reject_switch_to_video));
this.binding.rejectCall.setOnClickListener(this::rejectContentAdd);
this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
this.binding.rejectCall.setVisibility(View.VISIBLE);
@ -1047,7 +976,8 @@ public class RtpSessionActivity extends XmppActivity
this.binding.acceptCall.setOnClickListener((v -> acceptContentAdd(contentAddition)));
this.binding.acceptCall.setImageResource(R.drawable.ic_baseline_check_24);
this.binding.acceptCall.setVisibility(View.VISIBLE);
} else if (state == RtpEndUserState.DECLINED_OR_BUSY) {
} else if (asList(RtpEndUserState.DECLINED_OR_BUSY, RtpEndUserState.CONTACT_OFFLINE)
.contains(state)) {
this.binding.rejectCall.setContentDescription(getString(R.string.exit));
this.binding.rejectCall.setOnClickListener(this::exit);
this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
@ -1130,7 +1060,7 @@ public class RtpSessionActivity extends XmppActivity
private void updateInCallButtonConfigurationSpeaker(
final CallIntegration.AudioDevice selectedAudioDevice, final int numberOfChoices) {
switch (selectedAudioDevice) {
case EARPIECE:
case EARPIECE -> {
this.binding.inCallActionRight.setImageResource(
R.drawable.ic_volume_off_black_24dp);
if (numberOfChoices >= 2) {
@ -1139,13 +1069,13 @@ public class RtpSessionActivity extends XmppActivity
this.binding.inCallActionRight.setOnClickListener(null);
this.binding.inCallActionRight.setClickable(false);
}
break;
case WIRED_HEADSET:
}
case WIRED_HEADSET -> {
this.binding.inCallActionRight.setImageResource(R.drawable.ic_headset_black_24dp);
this.binding.inCallActionRight.setOnClickListener(null);
this.binding.inCallActionRight.setClickable(false);
break;
case SPEAKER_PHONE:
}
case SPEAKER_PHONE -> {
this.binding.inCallActionRight.setImageResource(R.drawable.ic_volume_up_black_24dp);
if (numberOfChoices >= 2) {
this.binding.inCallActionRight.setOnClickListener(this::switchToEarpiece);
@ -1153,13 +1083,13 @@ public class RtpSessionActivity extends XmppActivity
this.binding.inCallActionRight.setOnClickListener(null);
this.binding.inCallActionRight.setClickable(false);
}
break;
case BLUETOOTH:
}
case BLUETOOTH -> {
this.binding.inCallActionRight.setImageResource(
R.drawable.ic_bluetooth_audio_black_24dp);
this.binding.inCallActionRight.setOnClickListener(null);
this.binding.inCallActionRight.setClickable(false);
break;
}
}
this.binding.inCallActionRight.setVisibility(View.VISIBLE);
}
@ -1188,10 +1118,10 @@ public class RtpSessionActivity extends XmppActivity
private void switchCamera(final View view) {
Futures.addCallback(
requireRtpConnection().switchCamera(),
new FutureCallback<Boolean>() {
new FutureCallback<>() {
@Override
public void onSuccess(@Nullable Boolean isFrontCamera) {
binding.localVideo.setMirror(isFrontCamera);
binding.localVideo.setMirror(Boolean.TRUE.equals(isFrontCamera));
}
@Override
@ -1550,8 +1480,7 @@ public class RtpSessionActivity extends XmppActivity
final Account account, Jid with, final RtpEndUserState state, final Set<Media> media) {
final Intent intent = new Intent(Intent.ACTION_VIEW);
intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
if (RtpCapability.jmiSupport(account.getRoster()
.getContact(with))) {
if (RtpCapability.jmiSupport(account.getRoster().getContact(with))) {
intent.putExtra(EXTRA_WITH, with.asBareJid().toEscapedString());
} else {
intent.putExtra(EXTRA_WITH, with.toEscapedString());

35
src/main/java/eu/siacs/conversations/xmpp/jingle/RtpEndUserState.java
View file

@ -1,20 +1,23 @@
package eu.siacs.conversations.xmpp.jingle;
public enum RtpEndUserState {
INCOMING_CALL, //received a 'propose' message
CONNECTING, //session-initiate or session-accepted but no webrtc peer connection yet
CONNECTED, //session-accepted and webrtc peer connection is connected
RECONNECTING, //session-accepted and webrtc peer connection was connected once but is currently disconnected or failed
INCOMING_CONTENT_ADD, //session-accepted with a pending, incoming content-add
FINDING_DEVICE, //'propose' has been sent out; no 184 ack yet
RINGING, //'propose' has been sent out and it has been 184 acked
ACCEPTING_CALL, //'proceed' message has been sent; but no session-initiate has been received
ENDING_CALL, //libwebrt says 'closed' but session-terminate has not gone through
ENDED, //close UI
DECLINED_OR_BUSY, //other party declined; no retry button
CONNECTIVITY_ERROR, //network error; retry button
CONNECTIVITY_LOST_ERROR, //network error but for call duration > 0
RETRACTED, //user pressed home or power button during 'ringing' - shows retry button
APPLICATION_ERROR, //something rather bad happened; libwebrtc failed or we got in IQ-error
SECURITY_ERROR //problem with DTLS (missing) or verification
INCOMING_CALL, // received a 'propose' message
CONNECTING, // session-initiate or session-accepted but no webrtc peer connection yet
CONNECTED, // session-accepted and webrtc peer connection is connected
RECONNECTING, // session-accepted and webrtc peer connection was connected once but is currently
// disconnected or failed
INCOMING_CONTENT_ADD, // session-accepted with a pending, incoming content-add
FINDING_DEVICE, // 'propose' has been sent out; no 184 ack yet
RINGING, // 'propose' has been sent out and it has been 184 acked
ACCEPTING_CALL, // 'proceed' message has been sent; but no session-initiate has been received
ENDING_CALL, // libwebrt says 'closed' but session-terminate has not gone through
ENDED, // close UI
DECLINED_OR_BUSY, // other party declined; no retry button
CONTACT_OFFLINE, // when `JINGLE_MESSAGE_INIT_STRICT_OFFLINE_CHECK` is true this shows up when
// the contact is offline, generally similar to BUSY
CONNECTIVITY_ERROR, // network error; retry button
CONNECTIVITY_LOST_ERROR, // network error but for call duration > 0
RETRACTED, // user pressed home or power button during 'ringing' - shows retry button
APPLICATION_ERROR, // something rather bad happened; libwebrtc failed or we got in IQ-error
SECURITY_ERROR // problem with DTLS (missing) or verification
}