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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/child_accounts/family_user_metrics_service.h"
#include "base/check.h"
#include "base/time/time.h"
#include "chrome/browser/ash/child_accounts/family_user_app_metrics.h"
#include "chrome/browser/ash/child_accounts/family_user_chrome_activity_metrics.h"
#include "chrome/browser/ash/child_accounts/family_user_device_metrics.h"
#include "chrome/browser/ash/child_accounts/family_user_parental_control_metrics.h"
#include "chrome/browser/ash/child_accounts/family_user_session_metrics.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_context.h"
namespace ash {
namespace {
constexpr base::TimeDelta kTimerInterval = base::Minutes(10);
// Returns the number of days since the origin.
int GetDayId(base::Time time) {
return time.LocalMidnight().since_origin().InDaysFloored();
}
} // namespace
// static
void FamilyUserMetricsService::RegisterProfilePrefs(
PrefRegistrySimple* registry) {
registry->RegisterIntegerPref(prefs::kFamilyUserMetricsDayId, 0);
}
// static
int FamilyUserMetricsService::GetDayIdForTesting(base::Time time) {
return GetDayId(time);
}
FamilyUserMetricsService::FamilyUserMetricsService(
content::BrowserContext* context)
: pref_service_(Profile::FromBrowserContext(context)->GetPrefs()) {
DCHECK(pref_service_);
family_user_metrics_.push_back(
std::make_unique<FamilyUserSessionMetrics>(pref_service_));
Profile* profile = Profile::FromBrowserContext(context);
family_user_metrics_.push_back(FamilyUserAppMetrics::Create(profile));
family_user_metrics_.push_back(
std::make_unique<FamilyUserChromeActivityMetrics>(profile));
family_user_metrics_.push_back(std::make_unique<FamilyUserDeviceMetrics>());
// Reports parental control metrics for child user only.
if (profile->IsChild()) {
family_user_metrics_.push_back(
std::make_unique<FamilyUserParentalControlMetrics>(profile));
}
for (auto& family_user_metric : family_user_metrics_)
AddObserver(family_user_metric.get());
CheckForNewDay();
// Check for a new day every |kTimerInterval| as well.
timer_.Start(FROM_HERE, kTimerInterval, this,
&FamilyUserMetricsService::CheckForNewDay);
}
FamilyUserMetricsService::~FamilyUserMetricsService() = default;
void FamilyUserMetricsService::Shutdown() {
CheckForNewDay();
observers_.Clear();
family_user_metrics_.clear();
timer_.Stop();
}
void FamilyUserMetricsService::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void FamilyUserMetricsService::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void FamilyUserMetricsService::CheckForNewDay() {
int day_id = pref_service_->GetInteger(prefs::kFamilyUserMetricsDayId);
base::Time now = base::Time::Now();
// The OnNewDay() event can fire sooner or later than 24 hours due to clock or
// time zone changes.
if (day_id < GetDayId(now)) {
for (Observer& observer : observers_)
observer.OnNewDay();
pref_service_->SetInteger(prefs::kFamilyUserMetricsDayId, GetDayId(now));
}
}
} // namespace ash
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