Improved reset search

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

@@ -307,7 +307,6 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
     private long primary;
     private boolean connected;
-    private boolean reset = false;
     private boolean initialized = false;
     private boolean loading = false;
     private boolean swiping = false;
@@ -377,7 +376,8 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
             "time", "unread", "starred", "priority"
     ));
 
-    private static ExecutorService executor = Helper.getBackgroundExecutor(1, "decrypt");
+    private static final ExecutorService executor =
+            Helper.getBackgroundExecutor(1, "messages");
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -3781,7 +3781,6 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
     @Override
     public void onSaveInstanceState(Bundle outState) {
-        outState.putBoolean("fair:reset", reset);
         outState.putBoolean("fair:autoExpanded", autoExpanded);
         outState.putInt("fair:autoCloseCount", autoCloseCount);
 
@@ -3807,7 +3806,6 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
         super.onActivityCreated(savedInstanceState);
 
         if (savedInstanceState != null) {
-            reset = savedInstanceState.getBoolean("fair:reset");
             autoExpanded = savedInstanceState.getBoolean("fair:autoExpanded");
             autoCloseCount = savedInstanceState.getInt("fair:autoCloseCount");
 
@@ -4822,25 +4820,6 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                         }
                 }
             });
-        } else if (viewType == AdapterMessage.ViewType.SEARCH && !reset) {
-            new SimpleTask<Void>() {
-                @Override
-                protected Void onExecute(Context context, Bundle args) {
-                    DB.getInstance(context).message().resetSearch();
-                    return null;
-                }
-
-                @Override
-                protected void onExecuted(Bundle args, Void data) {
-                    reset = true;
-                    loadMessagesNext(top);
-                }
-
-                @Override
-                protected void onException(Bundle args, Throwable ex) {
-                    Log.unexpectedError(getParentFragmentManager(), ex);
-                }
-            }.execute(this, new Bundle(), "search:reset");
         } else
             loadMessagesNext(top);
     }
@@ -8086,21 +8065,42 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
             return;
         }
 
-        if (owner.getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED))
-            manager.popBackStack("search", FragmentManager.POP_BACK_STACK_INCLUSIVE);
+        executor.submit(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    DB db = DB.getInstance(context);
+                    db.message().resetSearch();
 
-        Bundle args = new Bundle();
-        args.putLong("account", account);
-        args.putLong("folder", folder);
-        args.putBoolean("server", server);
-        args.putSerializable("criteria", criteria);
+                    ApplicationEx.getMainHandler().post(new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
+                                if (owner.getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED))
+                                    manager.popBackStack("search", FragmentManager.POP_BACK_STACK_INCLUSIVE);
 
-        FragmentMessages fragment = new FragmentMessages();
-        fragment.setArguments(args);
+                                Bundle args = new Bundle();
+                                args.putLong("account", account);
+                                args.putLong("folder", folder);
+                                args.putBoolean("server", server);
+                                args.putSerializable("criteria", criteria);
 
-        FragmentTransaction fragmentTransaction = manager.beginTransaction();
-        fragmentTransaction.replace(R.id.content_frame, fragment).addToBackStack("search");
-        fragmentTransaction.commit();
+                                FragmentMessages fragment = new FragmentMessages();
+                                fragment.setArguments(args);
+
+                                FragmentTransaction fragmentTransaction = manager.beginTransaction();
+                                fragmentTransaction.replace(R.id.content_frame, fragment).addToBackStack("search");
+                                fragmentTransaction.commit();
+                            } catch (Throwable ex) {
+                                Log.e(ex);
+                            }
+                        }
+                    });
+                } catch (Throwable ex) {
+                    Log.e(ex);
+                }
+            }
+        });
     }
 
     private static class ActionData {