// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_ASH_LOGIN_TEST_OOBE_CONFIGURATION_WAITER_H_
#define CHROME_BROWSER_ASH_LOGIN_TEST_OOBE_CONFIGURATION_WAITER_H_

#include "base/functional/callback.h"
#include "chrome/browser/ash/login/oobe_configuration.h"

namespace ash {

// Class that ensures that OOBE Configuration was loaded before
// proceeding with checks.
class OOBEConfigurationWaiter : public OobeConfiguration::Observer {
 public:
  OOBEConfigurationWaiter();

  OOBEConfigurationWaiter(const OOBEConfigurationWaiter&) = delete;
  OOBEConfigurationWaiter& operator=(const OOBEConfigurationWaiter&) = delete;

  ~OOBEConfigurationWaiter() override;

  // OobeConfiguration::Observer override:
  void OnOobeConfigurationChanged() override;

  // Return `true` or register wait callback until configuration is loaded.
  bool IsConfigurationLoaded(base::OnceClosure callback);

 private:
  base::OnceClosure callback_;
};

}  // namespace ash

#endif  // CHROME_BROWSER_ASH_LOGIN_TEST_OOBE_CONFIGURATION_WAITER_H_