1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/extensions/api/system_private/system_private_api.h"
7 #include "base/prefs/pref_service.h"
8 #include "base/values.h"
9 #include "chrome/browser/browser_process.h"
10 #include "chrome/browser/extensions/event_router_forwarder.h"
11 #include "chrome/browser/profiles/profile.h"
12 #include "chrome/common/extensions/api/system_private.h"
13 #include "chrome/common/pref_names.h"
14 #include "google_apis/google_api_keys.h"
16 #if defined(OS_CHROMEOS)
17 #include "chromeos/dbus/dbus_thread_manager.h"
18 #include "chromeos/dbus/update_engine_client.h"
20 #include "chrome/browser/upgrade_detector.h"
25 // Maps prefs::kIncognitoModeAvailability values (0 = enabled, ...)
26 // to strings exposed to extensions.
27 const char* kIncognitoModeAvailabilityStrings[] = {
34 const char kBrightnessKey[] = "brightness";
35 const char kDownloadProgressKey[] = "downloadProgress";
36 const char kIsVolumeMutedKey[] = "isVolumeMuted";
37 const char kStateKey[] = "state";
38 const char kUserInitiatedKey[] = "userInitiated";
39 const char kVolumeKey[] = "volume";
41 // System update states.
42 const char kNotAvailableState[] = "NotAvailable";
43 const char kNeedRestartState[] = "NeedRestart";
45 #if defined(OS_CHROMEOS)
46 const char kUpdatingState[] = "Updating";
47 #endif // defined(OS_CHROMEOS)
49 // Dispatches an extension event with |argument|
50 void DispatchEvent(const std::string& event_name, base::Value* argument) {
51 scoped_ptr<base::ListValue> list_args(new base::ListValue());
53 list_args->Append(argument);
55 g_browser_process->extension_event_router_forwarder()->
56 BroadcastEventToRenderers(event_name, list_args.Pass(), GURL());
61 namespace extensions {
63 namespace system_private = api::system_private;
65 bool SystemPrivateGetIncognitoModeAvailabilityFunction::RunSync() {
66 PrefService* prefs = GetProfile()->GetPrefs();
67 int value = prefs->GetInteger(prefs::kIncognitoModeAvailability);
68 EXTENSION_FUNCTION_VALIDATE(
70 value < static_cast<int>(arraysize(kIncognitoModeAvailabilityStrings)));
71 SetResult(new base::StringValue(kIncognitoModeAvailabilityStrings[value]));
75 bool SystemPrivateGetUpdateStatusFunction::RunSync() {
77 double download_progress = 0;
78 #if defined(OS_CHROMEOS)
79 // With UpdateEngineClient, we can provide more detailed information about
80 // system updates on ChromeOS.
81 const chromeos::UpdateEngineClient::Status status =
82 chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->
84 // |download_progress| is set to 1 after download finishes
85 // (i.e. verify, finalize and need-reboot phase) to indicate the progress
86 // even though |status.download_progress| is 0 in these phases.
87 switch (status.status) {
88 case chromeos::UpdateEngineClient::UPDATE_STATUS_ERROR:
89 state = kNotAvailableState;
91 case chromeos::UpdateEngineClient::UPDATE_STATUS_IDLE:
92 state = kNotAvailableState;
94 case chromeos::UpdateEngineClient::UPDATE_STATUS_CHECKING_FOR_UPDATE:
95 state = kNotAvailableState;
97 case chromeos::UpdateEngineClient::UPDATE_STATUS_UPDATE_AVAILABLE:
98 state = kUpdatingState;
100 case chromeos::UpdateEngineClient::UPDATE_STATUS_DOWNLOADING:
101 state = kUpdatingState;
102 download_progress = status.download_progress;
104 case chromeos::UpdateEngineClient::UPDATE_STATUS_VERIFYING:
105 state = kUpdatingState;
106 download_progress = 1;
108 case chromeos::UpdateEngineClient::UPDATE_STATUS_FINALIZING:
109 state = kUpdatingState;
110 download_progress = 1;
112 case chromeos::UpdateEngineClient::UPDATE_STATUS_UPDATED_NEED_REBOOT:
113 state = kNeedRestartState;
114 download_progress = 1;
116 case chromeos::UpdateEngineClient::UPDATE_STATUS_REPORTING_ERROR_EVENT:
117 state = kNotAvailableState;
121 if (UpgradeDetector::GetInstance()->notify_upgrade()) {
122 state = kNeedRestartState;
123 download_progress = 1;
125 state = kNotAvailableState;
128 base::DictionaryValue* dict = new base::DictionaryValue();
129 dict->SetString(kStateKey, state);
130 dict->SetDouble(kDownloadProgressKey, download_progress);
136 bool SystemPrivateGetApiKeyFunction::RunSync() {
137 SetResult(new base::StringValue(google_apis::GetAPIKey()));
141 void DispatchVolumeChangedEvent(double volume, bool is_volume_muted) {
142 base::DictionaryValue* dict = new base::DictionaryValue();
143 dict->SetDouble(kVolumeKey, volume);
144 dict->SetBoolean(kIsVolumeMutedKey, is_volume_muted);
145 DispatchEvent(system_private::OnVolumeChanged::kEventName, dict);
148 void DispatchBrightnessChangedEvent(int brightness, bool user_initiated) {
149 base::DictionaryValue* dict = new base::DictionaryValue();
150 dict->SetInteger(kBrightnessKey, brightness);
151 dict->SetBoolean(kUserInitiatedKey, user_initiated);
152 DispatchEvent(system_private::OnBrightnessChanged::kEventName, dict);
155 void DispatchScreenUnlockedEvent() {
156 DispatchEvent(system_private::OnScreenUnlocked::kEventName, NULL);
159 void DispatchWokeUpEvent() {
160 DispatchEvent(system_private::OnWokeUp::kEventName, NULL);
163 } // namespace extensions