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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
// Copyright (c) 2012 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/extensions/api/system_private/system_private_api.h"
#include <memory>
#include <utility>
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/event_router_forwarder.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/system_private.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "google_apis/google_api_keys.h"
#if defined(OS_CHROMEOS)
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/update_engine_client.h"
#else
#include "chrome/browser/upgrade_detector.h"
#endif
namespace {
// Maps prefs::kIncognitoModeAvailability values (0 = enabled, ...)
// to strings exposed to extensions.
const char* const kIncognitoModeAvailabilityStrings[] = {
"enabled",
"disabled",
"forced"
};
// Property keys.
const char kBrightnessKey[] = "brightness";
const char kDownloadProgressKey[] = "downloadProgress";
const char kIsVolumeMutedKey[] = "isVolumeMuted";
const char kStateKey[] = "state";
const char kUserInitiatedKey[] = "userInitiated";
const char kVolumeKey[] = "volume";
// System update states.
const char kNotAvailableState[] = "NotAvailable";
const char kNeedRestartState[] = "NeedRestart";
#if defined(OS_CHROMEOS)
const char kUpdatingState[] = "Updating";
#endif // defined(OS_CHROMEOS)
// Dispatches an extension event with |argument|
void DispatchEvent(extensions::events::HistogramValue histogram_value,
const std::string& event_name,
std::unique_ptr<base::Value> argument) {
std::unique_ptr<base::ListValue> list_args(new base::ListValue());
if (argument) {
list_args->Append(std::move(argument));
}
g_browser_process->extension_event_router_forwarder()
->BroadcastEventToRenderers(histogram_value, event_name,
std::move(list_args), GURL());
}
} // namespace
namespace extensions {
namespace system_private = api::system_private;
ExtensionFunction::ResponseAction
SystemPrivateGetIncognitoModeAvailabilityFunction::Run() {
PrefService* prefs =
Profile::FromBrowserContext(browser_context())->GetPrefs();
int value = prefs->GetInteger(prefs::kIncognitoModeAvailability);
EXTENSION_FUNCTION_VALIDATE(
value >= 0 &&
value < static_cast<int>(arraysize(kIncognitoModeAvailabilityStrings)));
return RespondNow(OneArgument(base::MakeUnique<base::StringValue>(
kIncognitoModeAvailabilityStrings[value])));
}
ExtensionFunction::ResponseAction SystemPrivateGetUpdateStatusFunction::Run() {
std::string state;
double download_progress = 0;
#if defined(OS_CHROMEOS)
// With UpdateEngineClient, we can provide more detailed information about
// system updates on ChromeOS.
const chromeos::UpdateEngineClient::Status status =
chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->
GetLastStatus();
// |download_progress| is set to 1 after download finishes
// (i.e. verify, finalize and need-reboot phase) to indicate the progress
// even though |status.download_progress| is 0 in these phases.
switch (status.status) {
case chromeos::UpdateEngineClient::UPDATE_STATUS_ERROR:
state = kNotAvailableState;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_IDLE:
state = kNotAvailableState;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_CHECKING_FOR_UPDATE:
state = kNotAvailableState;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_UPDATE_AVAILABLE:
state = kUpdatingState;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_DOWNLOADING:
state = kUpdatingState;
download_progress = status.download_progress;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_VERIFYING:
state = kUpdatingState;
download_progress = 1;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_FINALIZING:
state = kUpdatingState;
download_progress = 1;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_UPDATED_NEED_REBOOT:
state = kNeedRestartState;
download_progress = 1;
break;
case chromeos::UpdateEngineClient::UPDATE_STATUS_REPORTING_ERROR_EVENT:
case chromeos::UpdateEngineClient::UPDATE_STATUS_ATTEMPTING_ROLLBACK:
state = kNotAvailableState;
break;
}
#else
if (UpgradeDetector::GetInstance()->notify_upgrade()) {
state = kNeedRestartState;
download_progress = 1;
} else {
state = kNotAvailableState;
}
#endif
std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
dict->SetString(kStateKey, state);
dict->SetDouble(kDownloadProgressKey, download_progress);
return RespondNow(OneArgument(std::move(dict)));
}
ExtensionFunction::ResponseAction SystemPrivateGetApiKeyFunction::Run() {
return RespondNow(OneArgument(
base::MakeUnique<base::StringValue>(google_apis::GetAPIKey())));
}
void DispatchVolumeChangedEvent(double volume, bool is_volume_muted) {
std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
dict->SetDouble(kVolumeKey, volume);
dict->SetBoolean(kIsVolumeMutedKey, is_volume_muted);
DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_VOLUME_CHANGED,
system_private::OnVolumeChanged::kEventName, std::move(dict));
}
void DispatchBrightnessChangedEvent(int brightness, bool user_initiated) {
std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
dict->SetInteger(kBrightnessKey, brightness);
dict->SetBoolean(kUserInitiatedKey, user_initiated);
DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_BRIGHTNESS_CHANGED,
system_private::OnBrightnessChanged::kEventName,
std::move(dict));
}
void DispatchScreenUnlockedEvent() {
DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_SCREEN_UNLOCKED,
system_private::OnScreenUnlocked::kEventName, nullptr);
}
void DispatchWokeUpEvent() {
DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_WOKE_UP,
system_private::OnWokeUp::kEventName, nullptr);
}
} // namespace extensions
|
