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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/ambient/metrics/managed_screensaver_metrics.h"
#include <string_view>
#include "ash/ambient/managed/screensaver_image_downloader.h"
#include "ash/ambient/metrics/ambient_metrics.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/strcat.h"
#include "base/timer/elapsed_timer.h"
namespace ash {
namespace {
// Histograms use exponential bucketing, so shorter times will have more
// buckets. This number was chosen to be consistent with other ambient mode
// metrics.
// TODO(b/287231044) Move this along with other constants UMA to a shared
// header.
constexpr int kManagedScreensaverEngagemenTimeHistogramBuckets = 144;
constexpr int kManagedScreensaverStartupTimeHistogramBuckets = 144;
constexpr std::string_view kManagedScreensaverHistogramPrefix =
"Enterprise.ManagedScreensaver.";
// This limit is specified in the policy definition for the policies
// ScreensaverLockScreenImages and DeviceScreensaverLoginScreenImages.
constexpr size_t kMaxUrlsToProcessFromPolicy = 25u;
} // namespace
std::string GetManagedScreensaverHistogram(std::string_view histogram_suffix) {
return base::StrCat({kManagedScreensaverHistogramPrefix, histogram_suffix});
}
void RecordManagedScreensaverEnabled(bool enabled) {
base::UmaHistogramBoolean(
GetManagedScreensaverHistogram(kManagedScreensaverEnabledUMA), enabled);
}
ASH_EXPORT void RecordManagedScreensaverImageCount(int image_count) {
base::UmaHistogramExactLinear(
GetManagedScreensaverHistogram(kManagedScreensaverImageCountUMA),
image_count, kMaxUrlsToProcessFromPolicy + 1);
}
ASH_EXPORT void RecordManagedScreensaverImageDownloadResult(
ScreensaverImageDownloadResult result) {
base::UmaHistogramEnumeration(
GetManagedScreensaverHistogram(kManagedScreensaverImageDownloadResultUMA),
result);
}
ManagedScreensaverMetricsDelegate::ManagedScreensaverMetricsDelegate() =
default;
ManagedScreensaverMetricsDelegate::~ManagedScreensaverMetricsDelegate() =
default;
void ManagedScreensaverMetricsDelegate::RecordEngagementTime(
base::TimeDelta engagement_time) {
base::UmaHistogramCustomTimes(
/*name=*/GetManagedScreensaverHistogram(
kManagedScreensaverEngagementTimeSlideshowUMA),
/*sample=*/engagement_time,
/*min=*/base::Seconds(1),
/*max=*/base::Hours(24),
/*buckets=*/kManagedScreensaverEngagemenTimeHistogramBuckets);
}
void ManagedScreensaverMetricsDelegate::RecordStartupTime(
base::TimeDelta startup_time) {
base::UmaHistogramCustomTimes(
/*name=*/GetManagedScreensaverHistogram(
kManagedScreensaverStartupTimeSlideshowUMA),
/*sample=*/startup_time,
/*min=*/base::Seconds(0),
/*max=*/base::Seconds(1000),
/*buckets=*/kManagedScreensaverStartupTimeHistogramBuckets);
}
} // namespace ash
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