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- // 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_
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