| // Copyright 2021 The Chromium OS 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 MINIOS_SCREEN_CONTROLLER_INTERFACE_H_ |
| #define MINIOS_SCREEN_CONTROLLER_INTERFACE_H_ |
| |
| #include <minios/proto_bindings/minios.pb.h> |
| |
| #include "minios/screen_interface.h" |
| #include "minios/screen_types.h" |
| |
| namespace minios { |
| |
| class ScreenControllerInterface { |
| public: |
| ScreenControllerInterface() = default; |
| virtual ~ScreenControllerInterface() = default; |
| |
| // Displays locale menu. |
| virtual void SwitchLocale(ScreenInterface* screen) = 0; |
| |
| // Returns to previous screen and updates locale and related constants. |
| virtual void UpdateLocale(ScreenInterface* screen, int locale_index) = 0; |
| |
| // Changes to the next action in flow and shows UI. |
| virtual void OnForward(ScreenInterface* screen) = 0; |
| |
| // Changes to the previous action in flow and shows UI. |
| virtual void OnBackward(ScreenInterface* screen) = 0; |
| |
| // Changes the screen to the given error. |
| virtual void OnError(ScreenType error_screen) = 0; |
| |
| // Returns the current screen in flow. |
| virtual ScreenType GetCurrentScreen() = 0; |
| |
| // Handle Screen state changes. |
| virtual void OnStateChanged(State state) = 0; |
| }; |
| |
| } // namespace minios |
| |
| #endif // MINIOS_SCREEN_CONTROLLER_INTERFACE_H_ |