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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.
#ifndef COMPONENTS_PAGE_IMAGE_SERVICE_METRICS_UTIL_H_
#define COMPONENTS_PAGE_IMAGE_SERVICE_METRICS_UTIL_H_
#include <string>
#include "base/metrics/histogram_functions.h"
#include "components/page_image_service/mojom/page_image_service.mojom.h"
namespace page_image_service {
constexpr char kBackendHistogramName[] = "PageImageService.Backend";
constexpr char kBackendOptimizationGuideResultHistogramName[] =
"PageImageService.Backend.OptimizationGuide.Result";
constexpr char kBackendSuggestResultHistogramName[] =
"PageImageService.Backend.Suggest.Result";
constexpr char kConsentStatusHistogramName[] = "PageImageService.ConsentStatus";
// Used in UMA. Must not be renumbered, and must be kept in sync with enums.xml.
enum class PageImageServiceBackend {
kNoValidBackend = 0,
kSuggest = 1,
kOptimizationGuide = 2,
kMaxValue = kOptimizationGuide,
};
// Used in UMA. Must not be renumbered, and must be kept in sync with enums.xml.
enum class PageImageServiceResult {
kSuccess = 0,
kResponseMissing = 1,
kNoImage = 2,
kResponseMalformed = 3,
kMaxValue = kResponseMalformed,
};
// Used in UMA. Must not be renumbered, and must be kept in sync with enums.xml.
enum class PageImageServiceConsentStatus {
kSuccess = 0,
kFailure = 1,
kTimedOut = 2,
kMaxValue = kTimedOut,
};
// Returns a string for each `client_id`. Always returns a non-empty string.
// The returned string doesn't have a period prefixing it.
std::string ClientIdToString(mojom::ClientId client_id);
template <typename T>
void UmaHistogramEnumerationForClient(const std::string& name,
T sample,
mojom::ClientId client_id) {
// Record it in the unsliced histogram.
base::UmaHistogramEnumeration(name, sample);
// Now record it for the sliced by client equivalent.
std::string client_suffix = ClientIdToString(client_id);
DCHECK(!client_suffix.empty());
base::UmaHistogramEnumeration(name + "." + client_suffix, sample);
}
} // namespace page_image_service
#endif // COMPONENTS_PAGE_IMAGE_SERVICE_METRICS_UTIL_H_
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