Concurrent folder sync

app/src/main/java/eu/faircode/email/ServiceSynchronize.java

@@ -431,11 +431,11 @@ public class ServiceSynchronize extends LifecycleService {
                     throw new IllegalStateException("synchronize folders", ex);
                 }
 
-                // Synchronize folders
                 for (EntityFolder folder : db.folder().getFolders(account.id))
                     db.folder().setFolderState(folder.id, null);
-                for (final EntityFolder folder : db.folder().getFolders(account.id, true))
+
-                    try {
+                // Synchronize folders
+                for (final EntityFolder folder : db.folder().getFolders(account.id, true)) {
                     Log.i(Helper.TAG, account.name + " sync folder " + folder.name);
 
                     db.folder().setFolderState(folder.id, "connecting");
@@ -447,6 +447,11 @@ public class ServiceSynchronize extends LifecycleService {
                     db.folder().setFolderState(folder.id, "connected");
                     db.folder().setFolderError(folder.id, null);
 
+                    // Keep folder connection alive
+                    Thread noop = new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
                                 // Listen for new and deleted messages
                                 ifolder.addMessageCountListener(new MessageCountAdapter() {
                                     @Override
@@ -535,11 +540,6 @@ public class ServiceSynchronize extends LifecycleService {
                                     }
                                 });
 
-                        // Keep folder connection alive
-                        Thread noop = new Thread(new Runnable() {
-                            @Override
-                            public void run() {
-                                try {
                                 Log.i(Helper.TAG, folder.name + " start noop");
                                 while (state.running && ifolder.isOpen()) {
                                     Log.i(Helper.TAG, folder.name + " request NOOP");
@@ -602,12 +602,6 @@ public class ServiceSynchronize extends LifecycleService {
                     }, "sync.idle." + folder.id);
                     idle.start();
                     idlers.add(idle);
-                    } catch (MessagingException ex) {
-                        // Don't show to user
-                        throw new FolderClosedException(folders.get(folder), "start folder", ex);
-                    } catch (IOException ex) {
-                        // Don't show to user
-                        throw new FolderClosedException(folders.get(folder), "start folder", ex);
                 }
 
                 BroadcastReceiver processReceiver = new BroadcastReceiver() {