| // Copyright 2020 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 ASH_SHELL_TAB_HANDLER_H_ |
| #define ASH_SHELL_TAB_HANDLER_H_ |
| |
| #include "ui/events/event_handler.h" |
| |
| namespace ash { |
| |
| class Shell; |
| |
| // Enables handling of tab when there are no non-minimized windows open in the |
| // shell. This allows keyboard only users to easily get focus to the shelf when |
| // no windows are open. |
| class ShellTabHandler : public ui::EventHandler { |
| public: |
| explicit ShellTabHandler(Shell* shell) : shell_(shell) {} |
| ShellTabHandler(const ShellTabHandler&) = delete; |
| ShellTabHandler& operator=(const ShellTabHandler) = delete; |
| ~ShellTabHandler() override = default; |
| |
| // ui::EventHandler: |
| void OnKeyEvent(ui::KeyEvent* key_event) override; |
| |
| private: |
| Shell* const shell_; |
| }; |
| |
| } // namespace ash |
| #endif // ASH_SHELL_TAB_HANDLER_H_ |