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
|
// 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 "components/download/internal/background_service/init_aware_background_download_service.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/strings/string_util.h"
#include "components/download/internal/background_service/initializable_background_download_service.h"
#include "components/download/internal/background_service/stats.h"
namespace download {
InitAwareBackgroundDownloadService::InitAwareBackgroundDownloadService(
std::unique_ptr<InitializableBackgroundDownloadService> service)
: service_(std::move(service)), startup_completed_(false) {
service_->Initialize(
base::BindOnce(&InitAwareBackgroundDownloadService::OnServiceInitialized,
weak_ptr_factory_.GetWeakPtr()));
}
InitAwareBackgroundDownloadService::~InitAwareBackgroundDownloadService() =
default;
const ServiceConfig& InitAwareBackgroundDownloadService::GetConfig() {
return service_->GetConfig();
}
void InitAwareBackgroundDownloadService::OnStartScheduledTask(
DownloadTaskType task_type,
TaskFinishedCallback callback) {
if (startup_completed_) {
service_->OnStartScheduledTask(task_type, std::move(callback));
return;
}
pending_tasks_[task_type] = base::BindOnce(
&InitializableBackgroundDownloadService::OnStartScheduledTask,
base::Unretained(service_.get()), task_type, std::move(callback));
}
bool InitAwareBackgroundDownloadService::OnStopScheduledTask(
DownloadTaskType task_type) {
if (startup_completed_) {
return service_->OnStopScheduledTask(task_type);
}
auto iter = pending_tasks_.find(task_type);
if (iter != pending_tasks_.end()) {
// We still need to run the callback in order to properly cleanup and notify
// the system by running the respective task finished callbacks.
std::move(iter->second).Run();
pending_tasks_.erase(iter);
}
return true;
}
BackgroundDownloadService::ServiceStatus
InitAwareBackgroundDownloadService::GetStatus() {
return service_->GetStatus();
}
void InitAwareBackgroundDownloadService::StartDownload(
DownloadParams download_params) {
stats::LogServiceApiAction(download_params.client,
stats::ServiceApiAction::START_DOWNLOAD);
if (startup_completed_) {
service_->StartDownload(std::move(download_params));
} else {
pending_actions_.push_back(base::BindOnce(
&InitializableBackgroundDownloadService::StartDownload,
base::Unretained(service_.get()), std::move(download_params)));
}
}
void InitAwareBackgroundDownloadService::PauseDownload(
const std::string& guid) {
if (startup_completed_) {
service_->PauseDownload(guid);
} else {
pending_actions_.push_back(
base::BindOnce(&InitializableBackgroundDownloadService::PauseDownload,
base::Unretained(service_.get()), guid));
}
}
void InitAwareBackgroundDownloadService::ResumeDownload(
const std::string& guid) {
if (startup_completed_) {
service_->ResumeDownload(guid);
} else {
pending_actions_.push_back(
base::BindOnce(&InitializableBackgroundDownloadService::ResumeDownload,
base::Unretained(service_.get()), guid));
}
}
void InitAwareBackgroundDownloadService::CancelDownload(
const std::string& guid) {
if (startup_completed_) {
service_->CancelDownload(guid);
} else {
pending_actions_.push_back(
base::BindOnce(&InitializableBackgroundDownloadService::CancelDownload,
base::Unretained(service_.get()), guid));
}
}
void InitAwareBackgroundDownloadService::ChangeDownloadCriteria(
const std::string& guid,
const SchedulingParams& params) {
if (startup_completed_) {
service_->ChangeDownloadCriteria(guid, params);
} else {
pending_actions_.push_back(base::BindOnce(
&InitializableBackgroundDownloadService::ChangeDownloadCriteria,
base::Unretained(service_.get()), guid, params));
}
}
Logger* InitAwareBackgroundDownloadService::GetLogger() {
return service_->GetLogger();
}
void InitAwareBackgroundDownloadService::OnServiceInitialized() {
while (!pending_actions_.empty()) {
auto callback = std::move(pending_actions_.front());
pending_actions_.pop_front();
std::move(callback).Run();
}
while (!pending_tasks_.empty()) {
auto iter = pending_tasks_.begin();
std::move(iter->second).Run();
pending_tasks_.erase(iter);
}
startup_completed_ = true;
}
} // namespace download
|
