blob: f00d2e8523f6f80aedd0dedcf7c8d2bc2985a0f1 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/metrics/metrics_service_accessor.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/metrics/metrics_service.h"
#include "components/prefs/pref_service.h"
#include "components/variations/hashing.h"
namespace metrics {
namespace {
bool g_force_official_enabled_test = false;
bool IsMetricsReportingEnabledForOfficialBuild(PrefService* pref_service) {
// In official builds, disable metrics when reporting field trials are
// forced; otherwise, use the value of the user's preference to determine
// whether to enable metrics reporting.
return !base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kForceFieldTrials) &&
pref_service->GetBoolean(prefs::kMetricsReportingEnabled);
}
} // namespace
// static
bool MetricsServiceAccessor::IsMetricsReportingEnabled(
PrefService* pref_service) {
#if defined(GOOGLE_CHROME_BUILD)
return IsMetricsReportingEnabledForOfficialBuild(pref_service);
#else
// In non-official builds, disable metrics reporting completely.
return g_force_official_enabled_test
? IsMetricsReportingEnabledForOfficialBuild(pref_service)
: false;
#endif // defined(GOOGLE_CHROME_BUILD)
}
// static
bool MetricsServiceAccessor::RegisterSyntheticFieldTrial(
MetricsService* metrics_service,
base::StringPiece trial_name,
base::StringPiece group_name) {
return RegisterSyntheticFieldTrialWithNameAndGroupHash(
metrics_service, variations::HashName(trial_name),
variations::HashName(group_name));
}
// static
bool MetricsServiceAccessor::RegisterSyntheticMultiGroupFieldTrial(
MetricsService* metrics_service,
base::StringPiece trial_name,
const std::vector<uint32_t>& group_name_hashes) {
if (!metrics_service)
return false;
metrics_service->synthetic_trial_registry()
->RegisterSyntheticMultiGroupFieldTrial(variations::HashName(trial_name),
group_name_hashes);
return true;
}
// static
bool MetricsServiceAccessor::RegisterSyntheticFieldTrialWithNameHash(
MetricsService* metrics_service,
uint32_t trial_name_hash,
base::StringPiece group_name) {
return RegisterSyntheticFieldTrialWithNameAndGroupHash(
metrics_service, trial_name_hash, variations::HashName(group_name));
}
// static
bool MetricsServiceAccessor::RegisterSyntheticFieldTrialWithNameAndGroupHash(
MetricsService* metrics_service,
uint32_t trial_name_hash,
uint32_t group_name_hash) {
if (!metrics_service)
return false;
variations::SyntheticTrialGroup trial_group(trial_name_hash, group_name_hash);
metrics_service->synthetic_trial_registry()->RegisterSyntheticFieldTrial(
trial_group);
return true;
}
// static
void MetricsServiceAccessor::SetForceIsMetricsReportingEnabledPrefLookup(
bool value) {
g_force_official_enabled_test = value;
}
} // namespace metrics