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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 "chrome/browser/metrics/metrics_services_manager.h"
#include <string>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/metrics/chrome_metrics_service_client.h"
#include "chrome/browser/metrics/metrics_reporting_state.h"
#include "chrome/browser/metrics/variations/variations_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser_otr_state.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/metrics_state_manager.h"
#include "components/rappor/rappor_pref_names.h"
#include "components/rappor/rappor_service.h"
#include "content/public/browser/browser_thread.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/settings/cros_settings.h"
#endif
namespace {
// Check if the safe browsing setting is enabled for all existing profiles.
bool CheckSafeBrowsingSettings() {
bool all_enabled = true;
ProfileManager* profile_manager = g_browser_process->profile_manager();
if (profile_manager) {
std::vector<Profile*> profiles = profile_manager->GetLoadedProfiles();
for (Profile* profile : profiles) {
if (profile->IsOffTheRecord())
continue;
all_enabled = all_enabled && profile->GetPrefs()->GetBoolean(
prefs::kSafeBrowsingEnabled);
}
}
return all_enabled;
}
// Posts |GoogleUpdateSettings::StoreMetricsClientInfo| on blocking pool thread
// because it needs access to IO and cannot work from UI thread.
void PostStoreMetricsClientInfo(const metrics::ClientInfo& client_info) {
content::BrowserThread::GetBlockingPool()->PostTask(FROM_HERE,
base::Bind(&GoogleUpdateSettings::StoreMetricsClientInfo, client_info));
}
} // namespace
MetricsServicesManager::MetricsServicesManager(PrefService* local_state)
: local_state_(local_state),
may_upload_(false),
may_record_(false) {
DCHECK(local_state);
pref_change_registrar_.Init(local_state);
}
MetricsServicesManager::~MetricsServicesManager() {
}
metrics::MetricsService* MetricsServicesManager::GetMetricsService() {
DCHECK(thread_checker_.CalledOnValidThread());
return GetChromeMetricsServiceClient()->metrics_service();
}
rappor::RapporService* MetricsServicesManager::GetRapporService() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!rappor_service_) {
rappor_service_.reset(new rappor::RapporService(
local_state_, base::Bind(&chrome::IsOffTheRecordSessionActive)));
rappor_service_->Initialize(g_browser_process->system_request_context());
}
return rappor_service_.get();
}
chrome_variations::VariationsService*
MetricsServicesManager::GetVariationsService() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!variations_service_) {
variations_service_ =
chrome_variations::VariationsService::Create(local_state_,
GetMetricsStateManager());
}
return variations_service_.get();
}
void MetricsServicesManager::OnPluginLoadingError(
const base::FilePath& plugin_path) {
GetChromeMetricsServiceClient()->LogPluginLoadingError(plugin_path);
}
ChromeMetricsServiceClient*
MetricsServicesManager::GetChromeMetricsServiceClient() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!metrics_service_client_) {
metrics_service_client_ = ChromeMetricsServiceClient::Create(
GetMetricsStateManager(), local_state_);
}
return metrics_service_client_.get();
}
metrics::MetricsStateManager* MetricsServicesManager::GetMetricsStateManager() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!metrics_state_manager_) {
metrics_state_manager_ = metrics::MetricsStateManager::Create(
local_state_,
base::Bind(&ChromeMetricsServiceAccessor::IsMetricsReportingEnabled),
base::Bind(&PostStoreMetricsClientInfo),
base::Bind(&GoogleUpdateSettings::LoadMetricsClientInfo));
}
return metrics_state_manager_.get();
}
bool MetricsServicesManager::IsRapporEnabled(bool metrics_enabled) const {
if (!local_state_->HasPrefPath(rappor::prefs::kRapporEnabled)) {
// For upgrading users, derive an initial setting from UMA / safe browsing.
bool should_enable = metrics_enabled || CheckSafeBrowsingSettings();
local_state_->SetBoolean(rappor::prefs::kRapporEnabled, should_enable);
}
return local_state_->GetBoolean(rappor::prefs::kRapporEnabled);
}
rappor::RecordingLevel MetricsServicesManager::GetRapporRecordingLevel(
bool metrics_enabled) const {
rappor::RecordingLevel recording_level = rappor::RECORDING_DISABLED;
#if defined(GOOGLE_CHROME_BUILD)
if (HasRapporOption()) {
if (IsRapporEnabled(metrics_enabled)) {
recording_level = metrics_enabled ?
rappor::FINE_LEVEL :
rappor::COARSE_LEVEL;
}
} else if (metrics_enabled) {
recording_level = rappor::FINE_LEVEL;
}
#endif // defined(GOOGLE_CHROME_BUILD)
return recording_level;
}
void MetricsServicesManager::UpdateRapporService() {
GetRapporService()->Update(GetRapporRecordingLevel(may_record_), may_upload_);
// The first time this function is called, we can start listening for
// changes to RAPPOR option. This avoids starting the RapporService in
// tests which do not intend to start services.
if (pref_change_registrar_.IsEmpty() && HasRapporOption()) {
pref_change_registrar_.Add(rappor::prefs::kRapporEnabled,
base::Bind(&MetricsServicesManager::UpdateRapporService,
base::Unretained(this)));
}
}
void MetricsServicesManager::UpdatePermissions(bool may_record,
bool may_upload) {
// Stash the current permissions so that we can update the RapporService
// 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;
metrics::MetricsService* metrics = GetMetricsService();
const base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
const bool only_do_metrics_recording =
cmdline->HasSwitch(switches::kMetricsRecordingOnly) ||
cmdline->HasSwitch(switches::kEnableBenchmarking);
if (only_do_metrics_recording) {
metrics->StartRecordingForTests();
GetRapporService()->Update(rappor::FINE_LEVEL, false);
return;
}
if (may_record) {
if (!metrics->recording_active())
metrics->Start();
if (may_upload)
metrics->EnableReporting();
else
metrics->DisableReporting();
} else if (metrics->recording_active() || metrics->reporting_active()) {
metrics->Stop();
}
UpdateRapporService();
}
void MetricsServicesManager::UpdateUploadPermissions(bool may_upload) {
return UpdatePermissions(
ChromeMetricsServiceAccessor::IsMetricsReportingEnabled(), may_upload);
}
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