Handle 1:1 call reconnecting events.

app/src/main/java/org/thoughtcrime/securesms/WebRtcCallActivity.java

@@ -501,6 +501,10 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     }
   }
 
+  private void handleCallReconnecting() {
+    callScreen.setStatus(getString(R.string.WebRtcCallActivity__reconnecting));
+  }
+
   private void handleRecipientUnavailable() {
     EventBus.getDefault().removeStickyEvent(WebRtcViewModel.class);
     callScreen.setStatus(getString(R.string.RedPhone_recipient_unavailable));
@@ -623,6 +627,8 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
         handleCallPreJoin(event); break;
       case CALL_CONNECTED:
         handleCallConnected(event); break;
+      case CALL_RECONNECTING:
+        handleCallReconnecting(); break;
       case NETWORK_FAILURE:
         handleServerFailure(); break;
       case CALL_RINGING:

app/src/main/java/org/thoughtcrime/securesms/components/webrtc/CallParticipantsState.kt

@@ -278,7 +278,7 @@ data class CallParticipantsState(
       if (isExpanded && (localParticipant.isVideoEnabled || isNonIdleGroupCall)) {
         return WebRtcLocalRenderState.EXPANDED
       } else if (displayLocal || showVideoForOutgoing) {
-        if (callState == WebRtcViewModel.State.CALL_CONNECTED) {
+        if (callState == WebRtcViewModel.State.CALL_CONNECTED || callState == WebRtcViewModel.State.CALL_RECONNECTING) {
           localRenderState = if (isViewingFocusedParticipant || numberOfRemoteParticipants > 1) {
             WebRtcLocalRenderState.SMALLER_RECTANGLE
           } else if (numberOfRemoteParticipants == 1) {

app/src/main/java/org/thoughtcrime/securesms/components/webrtc/WebRtcCallViewModel.java

@@ -349,6 +349,9 @@ public class WebRtcCallViewModel extends ViewModel {
       case NETWORK_FAILURE:
         callState = WebRtcControls.CallState.ERROR;
         break;
+      case CALL_RECONNECTING:
+        callState = WebRtcControls.CallState.RECONNECTING;
+        break;
       default:
         callState = WebRtcControls.CallState.ONGOING;
     }

app/src/main/java/org/thoughtcrime/securesms/components/webrtc/WebRtcControls.java

@@ -142,7 +142,7 @@ public final class WebRtcControls {
   }
 
   boolean displayEndCall() {
-    return isAtLeastOutgoing();
+    return isAtLeastOutgoing() || callState == CallState.RECONNECTING;
   }
 
   boolean displayMuteAudio() {
@@ -182,7 +182,7 @@ public final class WebRtcControls {
   }
 
   boolean isFadeOutEnabled() {
-    return isAtLeastOutgoing() && isRemoteVideoEnabled;
+    return isAtLeastOutgoing() && isRemoteVideoEnabled && callState != CallState.RECONNECTING;
   }
 
   boolean displaySmallOngoingCallButtons() {
@@ -248,6 +248,7 @@ public final class WebRtcControls {
     NONE,
     ERROR,
     PRE_JOIN,
+    RECONNECTING,
     INCOMING,
     OUTGOING,
     ONGOING,

app/src/main/java/org/thoughtcrime/securesms/events/WebRtcViewModel.kt

@@ -23,6 +23,7 @@ class WebRtcViewModel(state: WebRtcServiceState) {
     CALL_DISCONNECTED,
     CALL_DISCONNECTED_GLARE,
     CALL_NEEDS_PERMISSION,
+    CALL_RECONNECTING,
 
     // Error states
     NETWORK_FAILURE,

app/src/main/java/org/thoughtcrime/securesms/jobmanager/impl/NotInCallConstraint.java

@@ -27,7 +27,7 @@ public final class NotInCallConstraint implements Constraint {
 
   public static boolean isNotInConnectedCall() {
     WebRtcViewModel viewModel = EventBus.getDefault().getStickyEvent(WebRtcViewModel.class);
-    return viewModel == null || viewModel.getState() != WebRtcViewModel.State.CALL_CONNECTED;
+    return viewModel == null || (viewModel.getState() != WebRtcViewModel.State.CALL_CONNECTED && viewModel.getState() != WebRtcViewModel.State.CALL_RECONNECTING);
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/service/webrtc/ConnectedCallActionProcessor.java

@@ -8,6 +8,7 @@ import androidx.annotation.Nullable;
 import org.signal.core.util.logging.Log;
 import org.signal.ringrtc.CallException;
 import org.signal.ringrtc.CallManager;
+import org.thoughtcrime.securesms.events.WebRtcViewModel;
 import org.thoughtcrime.securesms.ringrtc.RemotePeer;
 import org.thoughtcrime.securesms.service.webrtc.state.WebRtcServiceState;
 import org.thoughtcrime.securesms.webrtc.locks.LockManager;
@@ -74,6 +75,16 @@ public class ConnectedCallActionProcessor extends DeviceAwareActionProcessor {
     return currentState;
   }
 
+  @Override
+  public @NonNull WebRtcServiceState handleCallReconnect(@NonNull WebRtcServiceState currentState, @NonNull CallManager.CallEvent event) {
+    Log.i(TAG, "handleCallReconnect(): event: " + event);
+
+    return currentState.builder()
+                       .changeCallInfoState()
+                       .callState(event == CallManager.CallEvent.RECONNECTING ? WebRtcViewModel.State.CALL_RECONNECTING : WebRtcViewModel.State.CALL_CONNECTED)
+                       .build();
+  }
+
   @Override
   protected @NonNull WebRtcServiceState handleRemoteVideoEnable(@NonNull WebRtcServiceState currentState, boolean enable) {
     return activeCallDelegate.handleRemoteVideoEnable(currentState, enable);

app/src/main/java/org/thoughtcrime/securesms/service/webrtc/SignalCallManager.java

@@ -445,11 +445,8 @@ public final class SignalCallManager implements CallManager.Observer, GroupCall.
         case REMOTE_RINGING:
           return p.handleRemoteRinging(s, remotePeer);
         case RECONNECTING:
-          Log.i(TAG, "Reconnecting: NOT IMPLEMENTED");
-          break;
         case RECONNECTED:
-          Log.i(TAG, "Reconnected: NOT IMPLEMENTED");
-          break;
+          return p.handleCallReconnect(s, event);
         case LOCAL_CONNECTED:
         case REMOTE_CONNECTED:
           return p.handleCallConnected(s, remotePeer);

app/src/main/java/org/thoughtcrime/securesms/service/webrtc/WebRtcActionProcessor.java

@@ -459,6 +459,11 @@ public abstract class WebRtcActionProcessor {
     return currentState;
   }
 
+  public @NonNull WebRtcServiceState handleCallReconnect(@NonNull WebRtcServiceState currentState, @NonNull CallManager.CallEvent event) {
+    Log.i(tag, "handleCallReconnect not processed");
+    return currentState;
+  }
+
   //endregion Active call
 
   //region Call setup

app/src/main/res/values/strings.xml

@@ -1486,6 +1486,8 @@
     <string name="WebRtcCallActivity__signal_s">Signal %1$s</string>
     <string name="WebRtcCallActivity__calling">Calling…</string>
     <string name="WebRtcCallActivity__group_is_too_large_to_ring_the_participants">Group is too large to ring the participants.</string>
+    <!-- Call status shown when an active call was disconnected (e.g., network hiccup) and is trying to reconnect -->
+    <string name="WebRtcCallActivity__reconnecting">Reconnecting…</string>
 
     <!-- WebRtcCallView -->
     <string name="WebRtcCallView__signal_call">Signal Call</string>