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ash / system / input_device_settings / touchscreen_metrics_recorder.h [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_INPUT_DEVICE_SETTINGS_TOUCHSCREEN_METRICS_RECORDER_H_
#define ASH_SYSTEM_INPUT_DEVICE_SETTINGS_TOUCHSCREEN_METRICS_RECORDER_H_
#include "ash/ash_export.h"
#include "ui/events/devices/input_device_event_observer.h"
#include "ui/events/devices/touchscreen_device.h"
namespace ash {
// Used for histograms and this will be in sync with
// tools/metrics/histograms/enums.xml TouchscreenConfiguration.
enum class TouchscreenConfiguration {
// One internal, no external.
InternalOneExternalNone = 0,
// No internal, One external (typical for Chromebox, also common on some
// chromebooks that don't have touch screens).
InternalNoneExternalOne = 1,
// One internal, One external.
InternalOneExternalOne = 2,
// Any number of internal, two or more external.
InternalAnyExternalTwoPlus = 3,
// Other possible configuration (handles INPUT_DEVICE_UNKNOWN case).
Other = 4,
kMaxValue = Other,
};
// Records metrics related to the configuration of input devices.
class ASH_EXPORT TouchscreenMetricsRecorder
: public ui::InputDeviceEventObserver {
public:
TouchscreenMetricsRecorder();
TouchscreenMetricsRecorder(const TouchscreenMetricsRecorder&) = delete;
TouchscreenMetricsRecorder& operator=(const TouchscreenMetricsRecorder&) =
delete;
~TouchscreenMetricsRecorder() override;
// ui::InputDeviceEventObserver:
void OnInputDeviceConfigurationChanged(uint8_t input_device_types) override;
void OnDeviceListsComplete() override;
};
} // namespace ash
#endif // ASH_SYSTEM_INPUT_DEVICE_SETTINGS_TOUCHSCREEN_METRICS_RECORDER_H_