Post MediaStreamEvents for each connection state

Rather than simplifying the states to "CONNECTED" and "DISCONNECTED" now
the raw state is posted, and the handler then decides how to treat them
(which, for now, is exactly as before).

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

app/src/main/java/com/nextcloud/talk/activities/CallActivity.java

@@ -2119,10 +2119,16 @@ public class CallActivity extends CallBaseActivity {
         String sessionId = peerConnectionEvent.getSessionId();
 
         if (peerConnectionEvent.getPeerConnectionEventType() ==
-            PeerConnectionEvent.PeerConnectionEventType.PEER_CONNECTED) {
+                PeerConnectionEvent.PeerConnectionEventType.PEER_CONNECTED ||
+            peerConnectionEvent.getPeerConnectionEventType() ==
+                PeerConnectionEvent.PeerConnectionEventType.PEER_COMPLETED) {
             handlePeerConnected(sessionId, peerConnectionEvent.getVideoStreamType());
         } else if (peerConnectionEvent.getPeerConnectionEventType() ==
-            PeerConnectionEvent.PeerConnectionEventType.PEER_DISCONNECTED) {
+                PeerConnectionEvent.PeerConnectionEventType.PEER_DISCONNECTED ||
+            peerConnectionEvent.getPeerConnectionEventType() ==
+                PeerConnectionEvent.PeerConnectionEventType.PEER_NEW ||
+            peerConnectionEvent.getPeerConnectionEventType() ==
+                PeerConnectionEvent.PeerConnectionEventType.PEER_CHECKING) {
             handlePeerDisconnected(sessionId, peerConnectionEvent.getVideoStreamType());
         } else if (peerConnectionEvent.getPeerConnectionEventType() ==
             PeerConnectionEvent.PeerConnectionEventType.PEER_CLOSED) {
@@ -2147,6 +2153,8 @@ public class CallActivity extends CallBaseActivity {
                 setCallState(CallStatus.PUBLISHER_FAILED);
                 webSocketClient.clearResumeId();
                 hangup(false);
+            } else {
+                handlePeerDisconnected(sessionId, peerConnectionEvent.getVideoStreamType());
             }
         }
     }

app/src/main/java/com/nextcloud/talk/events/PeerConnectionEvent.java

@@ -120,6 +120,6 @@ public class PeerConnectionEvent {
     }
 
     public enum PeerConnectionEventType {
-        PEER_CONNECTED, PEER_DISCONNECTED, PEER_FAILED, PEER_CLOSED, SENSOR_FAR, SENSOR_NEAR
+        PEER_NEW, PEER_CHECKING, PEER_CONNECTED, PEER_COMPLETED, PEER_DISCONNECTED, PEER_FAILED, PEER_CLOSED, SENSOR_FAR, SENSOR_NEAR
     }
 }

app/src/main/java/com/nextcloud/talk/webrtc/PeerConnectionWrapper.java

@@ -419,19 +419,21 @@ public class PeerConnectionWrapper {
                     sendInitialMediaStatus();
                 }
             } else if (iceConnectionState == PeerConnection.IceConnectionState.COMPLETED) {
-                EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_CONNECTED,
+                EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_COMPLETED,
                                                                    sessionId, null, null, videoStreamType));
             } else if (iceConnectionState == PeerConnection.IceConnectionState.CLOSED) {
                 EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType
                         .PEER_CLOSED, sessionId, null, null, videoStreamType));
-            } else if (iceConnectionState == PeerConnection.IceConnectionState.DISCONNECTED ||
-                    iceConnectionState == PeerConnection.IceConnectionState.NEW ||
-                    iceConnectionState == PeerConnection.IceConnectionState.CHECKING) {
+            } else if (iceConnectionState == PeerConnection.IceConnectionState.DISCONNECTED) {
                 EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_DISCONNECTED,
                                                                    sessionId, null, null, videoStreamType));
-            } else if (iceConnectionState == PeerConnection.IceConnectionState.FAILED) {
-                EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_DISCONNECTED,
+            } else if (iceConnectionState == PeerConnection.IceConnectionState.NEW) {
+                EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_NEW,
                                                                    sessionId, null, null, videoStreamType));
+            } else if (iceConnectionState == PeerConnection.IceConnectionState.CHECKING) {
+                EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_CHECKING,
+                                                                   sessionId, null, null, videoStreamType));
+            } else if (iceConnectionState == PeerConnection.IceConnectionState.FAILED) {
                 EventBus.getDefault().post(new PeerConnectionEvent(PeerConnectionEvent.PeerConnectionEventType.PEER_FAILED,
                                                                    sessionId, null, null, videoStreamType));
             }