blob: 107777964b1ea6466fb5ebb78ab3c5b2f4897af1 [file] [log] [blame]
// Copyright 2017 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_EVENTS_DEVICES_INPUT_DEVICE_OBSERVER_WIN_H_
#define UI_EVENTS_DEVICES_INPUT_DEVICE_OBSERVER_WIN_H_
#include "base/observer_list.h"
#include "base/win/registry.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace base {
template <typename T>
struct DefaultSingletonTraits;
}
namespace ui {
class EVENTS_DEVICES_EXPORT InputDeviceObserverWin {
public:
static InputDeviceObserverWin* GetInstance();
~InputDeviceObserverWin();
void AddObserver(InputDeviceEventObserver* observer);
void RemoveObserver(InputDeviceEventObserver* observer);
protected:
InputDeviceObserverWin();
private:
void OnRegistryKeyChanged(base::win::RegKey* key);
bool IsSlateModeEnabled(base::win::RegKey* key);
void NotifyObserversKeyboardDeviceConfigurationChanged();
void NotifyObserversTouchpadDeviceConfigurationChanged();
std::unique_ptr<base::win::RegKey> registry_key_;
base::ObserverList<InputDeviceEventObserver>::Unchecked observers_;
bool slate_mode_enabled_;
friend struct base::DefaultSingletonTraits<InputDeviceObserverWin>;
base::WeakPtrFactory<InputDeviceObserverWin> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(InputDeviceObserverWin);
};
} // namespace ui
#endif // UI_EVENTS_DEVICES_INPUT_DEVICE_OBSERVER_WIN_H_