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// Copyright 2021 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 UI_OZONE_PUBLIC_PLATFORM_KEYBOARD_HOOK_H_
#define UI_OZONE_PUBLIC_PLATFORM_KEYBOARD_HOOK_H_
#include "base/callback.h"
#include "base/component_export.h"
#include "base/containers/flat_set.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace ui {
enum class DomCode;
class KeyEvent;
// Supported hook types.
enum class PlatformKeyboardHookTypes { kModifier, kMedia };
// Interface for Ozone implementations of KeyboardHook.
class COMPONENT_EXPORT(OZONE_BASE) PlatformKeyboardHook {
public:
using KeyEventCallback = base::RepeatingCallback<void(KeyEvent* event)>;
PlatformKeyboardHook();
PlatformKeyboardHook(const PlatformKeyboardHook&) = delete;
PlatformKeyboardHook& operator=(const PlatformKeyboardHook&) = delete;
virtual ~PlatformKeyboardHook();
// KeyboardHook:
virtual bool IsKeyLocked(DomCode dom_code) const = 0;
};
} // namespace ui
#endif // UI_OZONE_PUBLIC_PLATFORM_KEYBOARD_HOOK_H_
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