Rules for POP3 inbox only

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

@@ -2360,14 +2360,41 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
     }
 
     private void onMenuRulesFolder(Bundle args) {
-        args.putInt("icon", R.drawable.twotone_filter_alt_24);
-        args.putString("title", getString(R.string.title_select));
-        args.putLongArray("disabled", new long[0]);
+        int protocol = args.getInt("protocol");
+        if (protocol == EntityAccount.TYPE_POP) {
+            new SimpleTask<EntityFolder>() {
+                @Override
+                protected EntityFolder onExecute(Context context, Bundle args) throws Throwable {
+                    long account = args.getLong("account");
+                    DB db = DB.getInstance(context);
+                    return db.folder().getFolderByType(account, EntityFolder.INBOX);
+                }
 
-        FragmentDialogSelectFolder fragment = new FragmentDialogSelectFolder();
-        fragment.setArguments(args);
-        fragment.setTargetActivity(this, REQUEST_RULES_FOLDER);
-        fragment.show(getSupportFragmentManager(), "rules:folder");
+                @Override
+                protected void onExecuted(Bundle args, EntityFolder folder) {
+                    if (folder == null)
+                        return;
+
+                    args.putLong("folder", folder.id);
+                    args.putString("type", folder.type);
+                    onMenuRules(args);
+                }
+
+                @Override
+                protected void onException(Bundle args, Throwable ex) {
+                    Log.unexpectedError(getSupportFragmentManager(), ex);
+                }
+            }.execute(this, args, "rules:pop");
+        } else {
+            args.putInt("icon", R.drawable.twotone_filter_alt_24);
+            args.putString("title", getString(R.string.title_select));
+            args.putLongArray("disabled", new long[0]);
+
+            FragmentDialogSelectFolder fragment = new FragmentDialogSelectFolder();
+            fragment.setArguments(args);
+            fragment.setTargetActivity(this, REQUEST_RULES_FOLDER);
+            fragment.show(getSupportFragmentManager(), "rules:folder");
+        }
     }
 
     private void onMenuRules(Bundle args) {