chromium/components/segmentation_platform/internal/signals/histogram_signal_handler.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/segmentation_platform/internal/signals/histogram_signal_handler.h"
#include <cstdint>

#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/metrics/metrics_hashes.h"
#include "base/observer_list.h"
#include "components/segmentation_platform/internal/database/signal_database.h"
#include "components/segmentation_platform/internal/database/ukm_types.h"

namespace segmentation_platform {

HistogramSignalHandler::HistogramSignalHandler(const std::string& profile_id,
                                               SignalDatabase* signal_database,
                                               UkmDatabase* ukm_db)
    : … { … }

HistogramSignalHandler::~HistogramSignalHandler() { … }

void HistogramSignalHandler::SetRelevantHistograms(
    const RelevantHistograms& histograms) { … }

void HistogramSignalHandler::EnableMetrics(bool enable_metrics) { … }

void HistogramSignalHandler::OnHistogramSample(
    proto::SignalType signal_type,
    const char* histogram_name,
    uint64_t name_hash,
    base::HistogramBase::Sample sample) { … }

void HistogramSignalHandler::AddObserver(Observer* observer) { … }

void HistogramSignalHandler::RemoveObserver(Observer* observer) { … }

void HistogramSignalHandler::OnSampleWritten(const std::string& histogram_name,
                                             base::HistogramBase::Sample sample,
                                             bool success) { … }

}  // namespace segmentation_platform