Broadcast event when recording connection status of own mailbox

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/OwnMailboxConnectionStatusEvent.java

@@ -0,0 +1,25 @@
+package org.briarproject.bramble.api.mailbox;
+
+import org.briarproject.bramble.api.event.Event;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+
+import javax.annotation.concurrent.Immutable;
+
+/**
+ * An event that is broadcast by {@link MailboxSettingsManager} when
+ * recording the connection status of own Mailbox.
+ */
+@Immutable
+@NotNullByDefault
+public class OwnMailboxConnectionStatusEvent extends Event {
+
+	private final MailboxStatus status;
+
+	public OwnMailboxConnectionStatusEvent(MailboxStatus status) {
+		this.status = status;
+	}
+
+	public MailboxStatus getStatus() {
+		return status;
+	}
+}