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