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// 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_services_manager/metrics_services_manager.h"
#include <utility>
#include "base/logging.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/metrics_service_client.h"
#include "components/metrics/metrics_state_manager.h"
#include "components/metrics_services_manager/metrics_services_manager_client.h"
#include "components/rappor/rappor_service_impl.h"
#include "components/variations/service/variations_service.h"
namespace metrics_services_manager {
MetricsServicesManager::MetricsServicesManager(
std::unique_ptr<MetricsServicesManagerClient> client)
: client_(std::move(client)), may_upload_(false), may_record_(false) {
DCHECK(client_);
}
MetricsServicesManager::~MetricsServicesManager() {}
std::unique_ptr<const base::FieldTrial::EntropyProvider>
MetricsServicesManager::CreateEntropyProvider() {
return client_->CreateEntropyProvider();
}
metrics::MetricsService* MetricsServicesManager::GetMetricsService() {
DCHECK(thread_checker_.CalledOnValidThread());
return GetMetricsServiceClient()->GetMetricsService();
}
rappor::RapporServiceImpl* MetricsServicesManager::GetRapporServiceImpl() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!rappor_service_) {
rappor_service_ = client_->CreateRapporServiceImpl();
rappor_service_->Initialize(client_->GetURLRequestContext());
}
return rappor_service_.get();
}
variations::VariationsService* MetricsServicesManager::GetVariationsService() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!variations_service_)
variations_service_ = client_->CreateVariationsService();
return variations_service_.get();
}
void MetricsServicesManager::OnPluginLoadingError(
const base::FilePath& plugin_path) {
GetMetricsServiceClient()->OnPluginLoadingError(plugin_path);
}
void MetricsServicesManager::OnRendererProcessCrash() {
GetMetricsServiceClient()->OnRendererProcessCrash();
}
metrics::MetricsServiceClient*
MetricsServicesManager::GetMetricsServiceClient() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!metrics_service_client_)
metrics_service_client_ = client_->CreateMetricsServiceClient();
return metrics_service_client_.get();
}
void MetricsServicesManager::UpdatePermissions(bool may_record,
bool may_upload) {
DCHECK(thread_checker_.CalledOnValidThread());
// Stash the current permissions so that we can update the RapporServiceImpl
// correctly when the Rappor preference changes. The metrics recording
// preference partially determines the initial rappor setting, and also
// controls whether FINE metrics are sent.
may_record_ = may_record;
may_upload_ = may_upload;
UpdateRunningServices();
}
void MetricsServicesManager::UpdateRunningServices() {
DCHECK(thread_checker_.CalledOnValidThread());
metrics::MetricsService* metrics = GetMetricsService();
if (client_->OnlyDoMetricsRecording()) {
metrics->StartRecordingForTests();
GetRapporServiceImpl()->Update(
rappor::UMA_RAPPOR_GROUP | rappor::SAFEBROWSING_RAPPOR_GROUP, false);
return;
}
client_->UpdateRunningServices(may_record_, may_upload_);
if (may_record_) {
if (!metrics->recording_active())
metrics->Start();
if (may_upload_)
metrics->EnableReporting();
else
metrics->DisableReporting();
} else {
metrics->Stop();
}
int recording_groups = 0;
#if defined(GOOGLE_CHROME_BUILD)
if (may_record_)
recording_groups |= rappor::UMA_RAPPOR_GROUP;
// NOTE: It is safe to use a raw pointer to |this| because this object owns
// |client_|, and the contract of
// MetricsServicesManagerClient::IsSafeBrowsingEnabled() states that the
// callback passed in must not be used beyond the lifetime of the client
// instance.
base::Closure on_safe_browsing_update_callback = base::Bind(
&MetricsServicesManager::UpdateRunningServices, base::Unretained(this));
if (client_->IsSafeBrowsingEnabled(on_safe_browsing_update_callback))
recording_groups |= rappor::SAFEBROWSING_RAPPOR_GROUP;
#endif // defined(GOOGLE_CHROME_BUILD)
GetRapporServiceImpl()->Update(recording_groups, may_upload_);
}
void MetricsServicesManager::UpdateUploadPermissions(bool may_upload) {
UpdatePermissions(client_->IsMetricsReportingEnabled(), may_upload);
}
} // namespace metrics_services_manager
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