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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_