blob: cccadd7030ea2b44c59da5e4ee95b2f247aa5f9e [file] [log] [blame]
// Copyright 2018 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.
#include "ash/ash_export.h"
#include "base/macros.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace ash {
// Helper class to temporarily disable the internal touchpad and keyboard.
class ASH_EXPORT InternalInputDevicesEventBlocker
: public ui::InputDeviceEventObserver {
~InternalInputDevicesEventBlocker() override;
// ui::InputDeviceEventObserver:
void OnInputDeviceConfigurationChanged(uint8_t input_device_types) override;
void UpdateInternalInputDevices(bool should_block);
bool should_be_blocked() const { return should_be_blocked_; }
bool HasInternalTouchpad();
bool HasInternalKeyboard();
void UpdateInternalTouchpad(bool should_block);
void UpdateInternalKeyboard(bool should_block);
// |should_be_blocked_| might not be equal to (|is_touchpad_blocked_| &&
// |is_keyboard_blocked_|) as when UpdateInternalInputDevices() is called,
// |should_be_blocked_| is guranteed to be updated, but |is_touchpad_blocked_|
// or |is_keyboard_blocked_| might not be updated because there might not be
// an internal touchpad or keyboard at that moment (currently it can only be
// the case for Whiskers keyboard, which is a detachable keyboard but is
// regarded as the internal keyboard for Moewth).
bool should_be_blocked_ = false;
bool is_touchpad_blocked_ = false;
bool is_keyboard_blocked_ = false;
} // namespace ash