1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright 2017 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/power/power_metrics_reporter.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/common/pref_names.h"
#include "chromeos/ash/components/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/power_manager/suspend.pb.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
namespace ash {
namespace {
// Interval for asking metrics::DailyEvent to check whether a day has passed.
constexpr base::TimeDelta kCheckDailyEventInternal = base::Seconds(60);
} // namespace
// static
void PowerMetricsReporter::RegisterLocalStatePrefs(
PrefRegistrySimple* registry) {
metrics::DailyEvent::RegisterPref(registry, prefs::kPowerMetricsDailySample);
}
PowerMetricsReporter::PowerMetricsReporter(
chromeos::PowerManagerClient* power_manager_client,
PrefService* local_state_pref_service)
: power_manager_client_(power_manager_client),
pref_service_(local_state_pref_service),
daily_event_(
std::make_unique<metrics::DailyEvent>(pref_service_,
prefs::kPowerMetricsDailySample,
std::string())) {
power_manager_client_->AddObserver(this);
daily_event_->CheckInterval();
timer_.Start(FROM_HERE, kCheckDailyEventInternal, daily_event_.get(),
&metrics::DailyEvent::CheckInterval);
}
PowerMetricsReporter::~PowerMetricsReporter() {
power_manager_client_->RemoveObserver(this);
}
void PowerMetricsReporter::SuspendDone(base::TimeDelta duration) {
daily_event_->CheckInterval();
}
} // namespace ash
|
