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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/safe_browsing/android/download_protection_metrics_data.h"
#include "base/metrics/histogram_functions.h"
#include "components/download/public/common/download_item.h"
namespace safe_browsing {
// static
DownloadProtectionMetricsData::AndroidDownloadProtectionOutcome
DownloadProtectionMetricsData::ConvertDownloadCheckResultReason(
DownloadCheckResultReason reason) {
switch (reason) {
case DownloadCheckResultReason::REASON_EMPTY_URL_CHAIN:
return AndroidDownloadProtectionOutcome::kEmptyUrlChain;
case DownloadCheckResultReason::REASON_INVALID_URL:
return AndroidDownloadProtectionOutcome::kInvalidUrl;
case DownloadCheckResultReason::REASON_UNSUPPORTED_URL_SCHEME:
return AndroidDownloadProtectionOutcome::kUnsupportedUrlScheme;
case DownloadCheckResultReason::REASON_REMOTE_FILE:
return AndroidDownloadProtectionOutcome::kRemoteFile;
case DownloadCheckResultReason::REASON_LOCAL_FILE:
return AndroidDownloadProtectionOutcome::kLocalFile;
case DownloadCheckResultReason::REASON_NOT_BINARY_FILE:
return AndroidDownloadProtectionOutcome::kDownloadNotSupportedType;
default:
NOTREACHED();
}
}
DownloadProtectionMetricsData::DownloadProtectionMetricsData() = default;
DownloadProtectionMetricsData::~DownloadProtectionMetricsData() {
LogToHistogram();
}
const void* const kAndroidDownloadProtectionMetricsDataKey =
&kAndroidDownloadProtectionMetricsDataKey;
// static
DownloadProtectionMetricsData* DownloadProtectionMetricsData::GetOrCreate(
download::DownloadItem* item) {
CHECK(item);
DownloadProtectionMetricsData* data =
static_cast<DownloadProtectionMetricsData*>(
item->GetUserData(kAndroidDownloadProtectionMetricsDataKey));
if (!data) {
data = new DownloadProtectionMetricsData();
item->SetUserData(kAndroidDownloadProtectionMetricsDataKey,
base::WrapUnique(data));
}
CHECK(data);
return data;
}
// static
void DownloadProtectionMetricsData::SetOutcome(
download::DownloadItem* item,
AndroidDownloadProtectionOutcome outcome) {
CHECK(item);
DownloadProtectionMetricsData* data = GetOrCreate(item);
data->outcome_ = outcome;
}
void DownloadProtectionMetricsData::LogToHistogram() {
if (did_log_outcome_) {
return;
}
base::UmaHistogramEnumeration(
"SBClientDownload.Android.DownloadProtectionOutcome", outcome_);
did_log_outcome_ = true;
}
} // namespace safe_browsing
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