src/chrome/browser/chromeos/extensions/info_private_api.cc

   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.
   4
   5 #include "chrome/browser/chromeos/extensions/info_private_api.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "base/sys_info.h"
  10 #include "base/values.h"
  11 #include "chrome/browser/app_mode/app_mode_utils.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/chromeos/login/startup_utils.h"
  14 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  15 #include "chrome/browser/chromeos/settings/cros_settings.h"
  16 #include "chrome/browser/chromeos/system/timezone_util.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/common/pref_names.h"
  19 #include "chromeos/network/device_state.h"
  20 #include "chromeos/network/network_handler.h"
  21 #include "chromeos/network/network_state_handler.h"
  22 #include "chromeos/settings/cros_settings_names.h"
  23 #include "chromeos/system/statistics_provider.h"
  24 #include "components/metrics/metrics_service.h"
  25 #include "components/user_manager/user_manager.h"
  26 #include "extensions/common/error_utils.h"
  27 #include "third_party/cros_system_api/dbus/service_constants.h"
  28
  29 using chromeos::NetworkHandler;
  30
  31 namespace extensions {
  32
  33 namespace {
  34
  35 // Key which corresponds to the HWID setting.
  36 const char kPropertyHWID[] = "hwid";
  37
  38 // Key which corresponds to the customization ID setting.
  39 const char kPropertyCustomizationID[] = "customizationId";
  40
  41 // Key which corresponds to the home provider property.
  42 const char kPropertyHomeProvider[] = "homeProvider";
  43
  44 // Key which corresponds to the initial_locale property.
  45 const char kPropertyInitialLocale[] = "initialLocale";
  46
  47 // Key which corresponds to the board property in JS.
  48 const char kPropertyBoard[] = "board";
  49
  50 // Key which corresponds to the isOwner property in JS.
  51 const char kPropertyOwner[] = "isOwner";
  52
  53 // Key which corresponds to the clientId property in JS.
  54 const char kPropertyClientId[] = "clientId";
  55
  56 // Key which corresponds to the timezone property in JS.
  57 const char kPropertyTimezone[] = "timezone";
  58
  59 // Key which corresponds to the timezone property in JS.
  60 const char kPropertySupportedTimezones[] = "supportedTimezones";
  61
  62 // Key which corresponds to the large cursor A11Y property in JS.
  63 const char kPropertyLargeCursorEnabled[] = "a11yLargeCursorEnabled";
  64
  65 // Key which corresponds to the sticky keys A11Y property in JS.
  66 const char kPropertyStickyKeysEnabled[] = "a11yStickyKeysEnabled";
  67
  68 // Key which corresponds to the spoken feedback A11Y property in JS.
  69 const char kPropertySpokenFeedbackEnabled[] = "a11ySpokenFeedbackEnabled";
  70
  71 // Key which corresponds to the high contrast mode A11Y property in JS.
  72 const char kPropertyHighContrastEnabled[] = "a11yHighContrastEnabled";
  73
  74 // Key which corresponds to the screen magnifier A11Y property in JS.
  75 const char kPropertyScreenMagnifierEnabled[] = "a11yScreenMagnifierEnabled";
  76
  77 // Key which corresponds to the auto click A11Y property in JS.
  78 const char kPropertyAutoclickEnabled[] = "a11yAutoClickEnabled";
  79
  80 // Key which corresponds to the auto click A11Y property in JS.
  81 const char kPropertyVirtualKeyboardEnabled[] = "a11yVirtualKeyboardEnabled";
  82
  83 // Key which corresponds to the send-function-keys property in JS.
  84 const char kPropertySendFunctionsKeys[] = "sendFunctionKeys";
  85
  86 // Property not found error message.
  87 const char kPropertyNotFound[] = "Property '*' does not exist.";
  88
  89 const struct {
  90   const char* api_name;
  91   const char* preference_name;
  92 } kPreferencesMap[] = {
  93       {kPropertyLargeCursorEnabled, prefs::kAccessibilityLargeCursorEnabled},
  94       {kPropertyStickyKeysEnabled, prefs::kAccessibilityStickyKeysEnabled},
  95       {kPropertySpokenFeedbackEnabled,
  96        prefs::kAccessibilitySpokenFeedbackEnabled},
  97       {kPropertyHighContrastEnabled, prefs::kAccessibilityHighContrastEnabled},
  98       {kPropertyScreenMagnifierEnabled,
  99        prefs::kAccessibilityScreenMagnifierEnabled},
 100       {kPropertyAutoclickEnabled, prefs::kAccessibilityAutoclickEnabled},
 101       {kPropertyVirtualKeyboardEnabled,
 102        prefs::kAccessibilityVirtualKeyboardEnabled},
 103       {kPropertySendFunctionsKeys, prefs::kLanguageSendFunctionKeys}};
 104
 105 const char* GetBoolPrefNameForApiProperty(const char* api_name) {
 106   for (size_t i = 0;
 107        i < (sizeof(kPreferencesMap)/sizeof(*kPreferencesMap));
 108        i++) {
 109     if (strcmp(kPreferencesMap[i].api_name, api_name) == 0)
 110       return kPreferencesMap[i].preference_name;
 111   }
 112
 113   return NULL;
 114 }
 115
 116 bool IsEnterpriseKiosk() {
 117   if (!chrome::IsRunningInForcedAppMode())
 118     return false;
 119
 120   policy::BrowserPolicyConnectorChromeOS* connector =
 121       g_browser_process->platform_part()->browser_policy_connector_chromeos();
 122   return connector->IsEnterpriseManaged();
 123 }
 124
 125 std::string GetClientId() {
 126   return IsEnterpriseKiosk()
 127              ? g_browser_process->metrics_service()->GetClientId()
 128              : std::string();
 129 }
 130
 131 }  // namespace
 132
 133 ChromeosInfoPrivateGetFunction::ChromeosInfoPrivateGetFunction() {
 134 }
 135
 136 ChromeosInfoPrivateGetFunction::~ChromeosInfoPrivateGetFunction() {
 137 }
 138
 139 bool ChromeosInfoPrivateGetFunction::RunAsync() {
 140   base::ListValue* list = NULL;
 141   EXTENSION_FUNCTION_VALIDATE(args_->GetList(0, &list));
 142   scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue());
 143   for (size_t i = 0; i < list->GetSize(); ++i) {
 144     std::string property_name;
 145     EXTENSION_FUNCTION_VALIDATE(list->GetString(i, &property_name));
 146     base::Value* value = GetValue(property_name);
 147     if (value)
 148       result->Set(property_name, value);
 149   }
 150   SetResult(result.release());
 151   SendResponse(true);
 152   return true;
 153 }
 154
 155 base::Value* ChromeosInfoPrivateGetFunction::GetValue(
 156     const std::string& property_name) {
 157   if (property_name == kPropertyHWID) {
 158     std::string hwid;
 159     chromeos::system::StatisticsProvider* provider =
 160         chromeos::system::StatisticsProvider::GetInstance();
 161     provider->GetMachineStatistic(chromeos::system::kHardwareClassKey, &hwid);
 162     return new base::StringValue(hwid);
 163   } else if (property_name == kPropertyCustomizationID) {
 164     std::string customization_id;
 165     chromeos::system::StatisticsProvider* provider =
 166         chromeos::system::StatisticsProvider::GetInstance();
 167     provider->GetMachineStatistic(chromeos::system::kCustomizationIdKey,
 168                                   &customization_id);
 169     return new base::StringValue(customization_id);
 170   } else if (property_name == kPropertyHomeProvider) {
 171     const chromeos::DeviceState* cellular_device =
 172         NetworkHandler::Get()->network_state_handler()->GetDeviceStateByType(
 173             chromeos::NetworkTypePattern::Cellular());
 174     std::string home_provider_id;
 175     if (cellular_device)
 176       home_provider_id = cellular_device->home_provider_id();
 177     return new base::StringValue(home_provider_id);
 178   } else if (property_name == kPropertyInitialLocale) {
 179     return new base::StringValue(
 180         chromeos::StartupUtils::GetInitialLocale());
 181   } else if (property_name == kPropertyBoard) {
 182     return new base::StringValue(base::SysInfo::GetLsbReleaseBoard());
 183   } else if (property_name == kPropertyOwner) {
 184     return new base::FundamentalValue(
 185         user_manager::UserManager::Get()->IsCurrentUserOwner());
 186   } else if (property_name == kPropertyClientId) {
 187     return new base::StringValue(GetClientId());
 188   } else if (property_name == kPropertyTimezone) {
 189     return chromeos::CrosSettings::Get()->GetPref(
 190             chromeos::kSystemTimezone)->DeepCopy();
 191   } else if (property_name == kPropertySupportedTimezones) {
 192     scoped_ptr<base::ListValue> values = chromeos::system::GetTimezoneList();
 193     return values.release();
 194   } else {
 195     const char* pref_name =
 196         GetBoolPrefNameForApiProperty(property_name.c_str());
 197     if (pref_name) {
 198       return new base::FundamentalValue(
 199           Profile::FromBrowserContext(context_)->GetPrefs()->GetBoolean(
 200               pref_name));
 201     }
 202   }
 203
 204   DLOG(ERROR) << "Unknown property request: " << property_name;
 205   return NULL;
 206 }
 207
 208 ChromeosInfoPrivateSetFunction::ChromeosInfoPrivateSetFunction() {
 209 }
 210
 211 ChromeosInfoPrivateSetFunction::~ChromeosInfoPrivateSetFunction() {
 212 }
 213
 214 bool ChromeosInfoPrivateSetFunction::RunSync() {
 215   std::string param_name;
 216   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &param_name));
 217   if (param_name == kPropertyTimezone) {
 218     std::string param_value;
 219     EXTENSION_FUNCTION_VALIDATE(args_->GetString(1, &param_value));
 220     chromeos::CrosSettings::Get()->Set(chromeos::kSystemTimezone,
 221                                        base::StringValue(param_value));
 222   } else {
 223     const char* pref_name = GetBoolPrefNameForApiProperty(param_name.c_str());
 224     if (pref_name) {
 225       bool param_value;
 226       EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(1, &param_value));
 227       Profile::FromBrowserContext(context_)->GetPrefs()->SetBoolean(
 228           pref_name,
 229           param_value);
 230     } else {
 231       error_ = ErrorUtils::FormatErrorMessage(kPropertyNotFound, param_name);
 232       return false;
 233     }
 234   }
 235
 236   return true;
 237 }
 238
 239 }  // namespace extensions