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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/hid_detection/hid_detection_utils.h"
#include <optional>
#include "base/metrics/histogram_functions.h"
#include "base/strings/strcat.h"
#include "components/device_event_log/device_event_log.h"
namespace ash::hid_detection {
namespace {
using InputDeviceType = device::mojom::InputDeviceType;
std::optional<HidType> GetHidType(
const device::mojom::InputDeviceInfo& device) {
if (device.is_touchscreen || device.is_tablet)
return HidType::kTouchscreen;
if (IsDevicePointer(device)) {
switch (device.type) {
case InputDeviceType::TYPE_BLUETOOTH:
return HidType::kBluetoothPointer;
case InputDeviceType::TYPE_USB:
return HidType::kUsbPointer;
case InputDeviceType::TYPE_SERIO:
return HidType::kSerialPointer;
case InputDeviceType::TYPE_UNKNOWN:
return HidType::kUnknownPointer;
}
}
if (device.is_keyboard) {
switch (device.type) {
case InputDeviceType::TYPE_BLUETOOTH:
return HidType::kBluetoothKeyboard;
case InputDeviceType::TYPE_USB:
return HidType::kUsbKeyboard;
case InputDeviceType::TYPE_SERIO:
return HidType::kSerialKeyboard;
case InputDeviceType::TYPE_UNKNOWN:
return HidType::kUnknownKeyboard;
}
}
return std::nullopt;
}
} // namespace
bool IsDevicePointer(const device::mojom::InputDeviceInfo& device) {
return device.is_mouse || device.is_touchpad;
}
bool IsDeviceTouchscreen(const device::mojom::InputDeviceInfo& device) {
return device.is_touchscreen || device.is_tablet;
}
void RecordHidConnected(const device::mojom::InputDeviceInfo& device) {
std::optional<HidType> hid_type = GetHidType(device);
// If |device| is not relevant (i.e. an accelerometer, joystick, etc), don't
// emit metric.
if (!hid_type.has_value()) {
HID_LOG(DEBUG) << "HidConnected not logged for device " << device.id
<< " because it doesn't have a relevant device type.";
return;
}
base::UmaHistogramEnumeration("OOBE.HidDetectionScreen.HidConnected",
hid_type.value());
}
void RecordHidDisconnected(const device::mojom::InputDeviceInfo& device) {
std::optional<HidType> hid_type = GetHidType(device);
// If |device| is not relevant (i.e. an accelerometer, joystick, etc), don't
// emit metric.
if (!hid_type.has_value()) {
HID_LOG(DEBUG) << "HidDisconnected not logged for device " << device.id
<< " because it doesn't have a relevant device type.";
return;
}
base::UmaHistogramEnumeration("OOBE.HidDetectionScreen.HidDisconnected",
hid_type.value());
}
void RecordBluetoothPairingAttempts(size_t attempts) {
base::UmaHistogramCounts100(
"OOBE.HidDetectionScreen.BluetoothPairingAttempts", attempts);
}
void RecordBluetoothPairingResult(bool success,
base::TimeDelta pairing_duration) {
base::UmaHistogramCustomTimes(
base::StrCat({"OOBE.HidDetectionScreen.BluetoothPairing.Duration.",
success ? "Success" : "Failure"}),
pairing_duration,
/*min=*/base::Milliseconds(1),
/*max=*/base::Seconds(30), /*buckets=*/50);
// Also record the pairing result metric.
base::UmaHistogramEnumeration(
"OOBE.HidDetectionScreen.BluetoothPairing.Result",
success ? HidDetectionBluetoothPairingResult::kPaired
: HidDetectionBluetoothPairingResult::kNotPaired);
}
void RecordPairingTimeoutExceeded() {
base::UmaHistogramBoolean(
"OOBE.HidDetectionScreen.BluetoothPairing.TimeoutExceeded", true);
}
void RecordInitialHidsMissing(const HidsMissing& hids_missing) {
base::UmaHistogramEnumeration("OOBE.HidDetectionScreen.InitialHidsMissing",
hids_missing);
}
} // namespace ash::hid_detection
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