chromium/ui/ozone/common/base_keyboard_hook.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_OZONE_COMMON_BASE_KEYBOARD_HOOK_H_
#define UI_OZONE_COMMON_BASE_KEYBOARD_HOOK_H_

#include <optional>

#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "ui/ozone/public/platform_keyboard_hook.h"

namespace ui {

enum class DomCode : uint32_t;
class KeyEvent;

// Base implementation of KeyboardHook for Ozone platforms.
//
// Holds and provides to the subclasses the set of DOM codes and the callback
// given upon construction.
//
// Can be used as is, and provides the browser-level lock for the given set of
// keys.  Platforms may implement system-level lock.  The instance of this class
// should enable the lock in constructor and release in in the destructor.
class BaseKeyboardHook : public PlatformKeyboardHook { … };

}  // namespace ui
#endif  // UI_OZONE_COMMON_BASE_KEYBOARD_HOOK_H_