// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_SCREEN_OBSERVER_H_
#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_SCREEN_OBSERVER_H_
#include <string>
namespace chromeos {
class ErrorScreen;
class WizardScreen;
// Interface that handles notifications received from any of login wizard
// screens.
class ScreenObserver {
public:
// Each login screen or a view shown within login wizard view is itself a
// state. Upon exit each view returns one of the results by calling
// OnExit() method. Depending on the result and the current view or state
// login wizard decides what is the next view to show. There must be an
// exit code for each way to exit the screen for each screen.
enum ExitCodes {
// "Continue" was pressed on network screen and network is online.
NETWORK_CONNECTED,
// Connection failed while trying to load a WebPageScreen.
CONNECTION_FAILED,
UPDATE_INSTALLED,
UPDATE_NOUPDATE,
UPDATE_ERROR_CHECKING_FOR_UPDATE,
UPDATE_ERROR_UPDATING,
USER_IMAGE_SELECTED,
EULA_ACCEPTED,
EULA_BACK,
ENTERPRISE_AUTO_ENROLLMENT_CHECK_COMPLETED,
ENTERPRISE_ENROLLMENT_COMPLETED,
ENTERPRISE_AUTO_MAGIC_ENROLLMENT_COMPLETED,
ENTERPRISE_ENROLLMENT_BACK,
RESET_CANCELED,
KIOSK_AUTOLAUNCH_CANCELED,
KIOSK_AUTOLAUNCH_CONFIRMED,
KIOSK_ENABLE_COMPLETED,
TERMS_OF_SERVICE_DECLINED,
TERMS_OF_SERVICE_ACCEPTED,
WRONG_HWID_WARNING_SKIPPED,
EXIT_CODES_COUNT // not a real code, must be the last
};
// Method called by a screen when user's done with it.
virtual void OnExit(ExitCodes exit_code) = 0;
// Forces current screen showing.
virtual void ShowCurrentScreen() = 0;
// Notify about new user names and password. It is used to autologin
// just created user without asking the same info once again.
virtual void OnSetUserNamePassword(const std::string& username,
const std::string& password) = 0;
// Whether usage statistics reporting is enabled on EULA screen.
virtual void SetUsageStatisticsReporting(bool val) = 0;
virtual bool GetUsageStatisticsReporting() const = 0;
virtual ErrorScreen* GetErrorScreen() = 0;
virtual void ShowErrorScreen() = 0;
virtual void HideErrorScreen(WizardScreen* parent_screen) = 0;
protected:
virtual ~ScreenObserver() {}
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_SCREEN_OBSERVER_H_