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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/aggregation_service/report_scheduler_timer.h"
#include <memory>
#include <optional>
#include <utility>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "base/timer/wall_clock_timer.h"
#include "build/build_config.h"
#include "build/buildflag.h"
#include "content/public/browser/network_service_instance.h"
#include "services/network/public/mojom/network_change_manager.mojom.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/application_status_listener.h"
#endif
namespace content {
ReportSchedulerTimer::ReportSchedulerTimer(std::unique_ptr<Delegate> delegate
#if BUILDFLAG(IS_ANDROID)
,
bool observe_app_state
#endif
)
: delegate_(std::move(delegate)) {
CHECK(delegate_);
network::NetworkConnectionTracker* tracker = GetNetworkConnectionTracker();
obs_.Observe(tracker);
network::mojom::ConnectionType connection_type;
bool synchronous_return = tracker->GetConnectionType(
&connection_type,
base::BindOnce(&ReportSchedulerTimer::OnConnectionChanged,
weak_ptr_factory_.GetWeakPtr()));
#if BUILDFLAG(IS_ANDROID)
if (observe_app_state) {
application_status_listener_ =
base::android::ApplicationStatusListener::New(base::BindRepeating(
&ReportSchedulerTimer::OnApplicationStateChanged,
weak_ptr_factory_.GetWeakPtr()));
app_state_ = base::android::ApplicationStatusListener::GetState();
}
#endif
if (synchronous_return) {
OnConnectionChanged(connection_type);
}
}
ReportSchedulerTimer::~ReportSchedulerTimer() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
network::mojom::ConnectionType ReportSchedulerTimer::connection_type() const {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return connection_type_;
}
void ReportSchedulerTimer::MaybeSet(std::optional<base::Time> reporting_time) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!reporting_time.has_value() || IsOffline()) {
return;
}
if (!reporting_time_reached_timer_.IsRunning() ||
reporting_time_reached_timer_.desired_run_time() > reporting_time) {
reporting_time_reached_timer_.Start(FROM_HERE, reporting_time.value(), this,
&ReportSchedulerTimer::OnTimerFired);
}
}
void ReportSchedulerTimer::Refresh(base::Time now) {
if (IsOffline()) {
return;
}
delegate_->GetNextReportTime(base::BindOnce(&ReportSchedulerTimer::MaybeSet,
weak_ptr_factory_.GetWeakPtr()),
now);
}
void ReportSchedulerTimer::OnTimerFired() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
base::Time now = base::Time::Now();
delegate_->OnReportingTimeReached(
now, reporting_time_reached_timer_.desired_run_time());
Refresh(now);
}
void ReportSchedulerTimer::OnConnectionChanged(
network::mojom::ConnectionType connection_type) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if BUILDFLAG(IS_ANDROID)
UpdateState(connection_type, app_state_);
#else
UpdateState(connection_type);
#endif
}
void ReportSchedulerTimer::UpdateState(
network::mojom::ConnectionType connection_type
#if BUILDFLAG(IS_ANDROID)
,
base::android::ApplicationState app_state
#endif
) {
bool was_offline = IsOffline();
connection_type_ = connection_type;
#if BUILDFLAG(IS_ANDROID)
app_state_ = app_state;
#endif
if (IsOffline()) {
reporting_time_reached_timer_.Stop();
} else if (was_offline) {
// Add delay to all reports that should have been sent while the browser was
// offline so they are not temporally joinable. We only need to do this if
// the connection changes from offline to online, not if an online
// connection changes between, e.g., 3G and 4G.
delegate_->AdjustOfflineReportTimes(base::BindOnce(
&ReportSchedulerTimer::MaybeSet, weak_ptr_factory_.GetWeakPtr()));
}
}
bool ReportSchedulerTimer::IsOffline() const {
#if BUILDFLAG(IS_ANDROID)
switch (app_state_) {
case base::android::APPLICATION_STATE_HAS_STOPPED_ACTIVITIES:
case base::android::APPLICATION_STATE_HAS_DESTROYED_ACTIVITIES:
return true;
case base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES:
case base::android::APPLICATION_STATE_HAS_PAUSED_ACTIVITIES:
case base::android::APPLICATION_STATE_UNKNOWN:
break;
}
#endif
return connection_type_ == network::mojom::ConnectionType::CONNECTION_NONE;
}
#if BUILDFLAG(IS_ANDROID)
void ReportSchedulerTimer::OnApplicationStateChanged(
base::android::ApplicationState state) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
UpdateState(connection_type_, state);
}
#endif
} // namespace content
|
