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/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 auto click A11Y property in JS.
  72 const char kPropertyVirtualKeyboardEnabled[] = "a11yVirtualKeyboardEnabled";
  73
  74 // Key which corresponds to the send-function-keys property in JS.
  75 const char kPropertySendFunctionsKeys[] = "sendFunctionKeys";
  76
  77 // Property not found error message.
  78 const char kPropertyNotFound[] = "Property '*' does not exist.";
  79
  80 const struct {
  81   const char* api_name;
  82   const char* preference_name;
  83 } kPreferencesMap[] = {
  84       {kPropertyLargeCursorEnabled, prefs::kLargeCursorEnabled},
  85       {kPropertyStickyKeysEnabled, prefs::kStickyKeysEnabled},
  86       {kPropertySpokenFeedbackEnabled, prefs::kSpokenFeedbackEnabled},
  87       {kPropertyHighContrastEnabled, prefs::kHighContrastEnabled},
  88       {kPropertyScreenMagnifierEnabled, prefs::kScreenMagnifierEnabled},
  89       {kPropertyAutoclickEnabled, prefs::kAutoclickEnabled},
  90       {kPropertyVirtualKeyboardEnabled, prefs::kVirtualKeyboardEnabled},
  91       {kPropertySendFunctionsKeys, prefs::kLanguageSendFunctionKeys}};
  92
  93 const char* GetBoolPrefNameForApiProperty(const char* api_name) {
  94   for (size_t i = 0;
  95        i < (sizeof(kPreferencesMap)/sizeof(*kPreferencesMap));
  96        i++) {
  97     if (strcmp(kPreferencesMap[i].api_name, api_name) == 0)
  98       return kPreferencesMap[i].preference_name;
  99   }
 100
 101   return NULL;
 102 }
 103
 104 }  // namespace
 105
 106 ChromeosInfoPrivateGetFunction::ChromeosInfoPrivateGetFunction() {
 107 }
 108
 109 ChromeosInfoPrivateGetFunction::~ChromeosInfoPrivateGetFunction() {
 110 }
 111
 112 bool ChromeosInfoPrivateGetFunction::RunImpl() {
 113   base::ListValue* list = NULL;
 114   EXTENSION_FUNCTION_VALIDATE(args_->GetList(0, &list));
 115   scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue());
 116   for (size_t i = 0; i < list->GetSize(); ++i) {
 117     std::string property_name;
 118     EXTENSION_FUNCTION_VALIDATE(list->GetString(i, &property_name));
 119     base::Value* value = GetValue(property_name);
 120     if (value)
 121       result->Set(property_name, value);
 122   }
 123   SetResult(result.release());
 124   SendResponse(true);
 125   return true;
 126 }
 127
 128 base::Value* ChromeosInfoPrivateGetFunction::GetValue(
 129     const std::string& property_name) {
 130   if (property_name == kPropertyHWID) {
 131     std::string hwid;
 132     chromeos::system::StatisticsProvider* provider =
 133         chromeos::system::StatisticsProvider::GetInstance();
 134     provider->GetMachineStatistic(chromeos::system::kHardwareClassKey, &hwid);
 135     return new base::StringValue(hwid);
 136   } else if (property_name == kPropertyHomeProvider) {
 137     const chromeos::DeviceState* cellular_device =
 138         NetworkHandler::Get()->network_state_handler()->GetDeviceStateByType(
 139             chromeos::NetworkTypePattern::Cellular());
 140     std::string home_provider_id;
 141     if (cellular_device)
 142       home_provider_id = cellular_device->home_provider_id();
 143     return new base::StringValue(home_provider_id);
 144   } else if (property_name == kPropertyInitialLocale) {
 145     return new base::StringValue(
 146         chromeos::StartupUtils::GetInitialLocale());
 147   } else if (property_name == kPropertyBoard) {
 148     return new base::StringValue(base::SysInfo::GetLsbReleaseBoard());
 149   } else if (property_name == kPropertyOwner) {
 150     return base::Value::CreateBooleanValue(
 151         chromeos::UserManager::Get()->IsCurrentUserOwner());
 152   } else if (property_name == kPropertyTimezone) {
 153     return chromeos::CrosSettings::Get()->GetPref(
 154             chromeos::kSystemTimezone)->DeepCopy();
 155   } else if (property_name == kPropertySupportedTimezones) {
 156     scoped_ptr<base::ListValue> values = chromeos::system::GetTimezoneList();
 157     return values.release();
 158   } else {
 159     const char* pref_name =
 160         GetBoolPrefNameForApiProperty(property_name.c_str());
 161     if (pref_name) {
 162       return base::Value::CreateBooleanValue(
 163           Profile::FromBrowserContext(context_)->GetPrefs()->GetBoolean(
 164               pref_name));
 165     }
 166   }
 167
 168   DLOG(ERROR) << "Unknown property request: " << property_name;
 169   return NULL;
 170 }
 171
 172 ChromeosInfoPrivateSetFunction::ChromeosInfoPrivateSetFunction() {
 173 }
 174
 175 ChromeosInfoPrivateSetFunction::~ChromeosInfoPrivateSetFunction() {
 176 }
 177
 178 bool ChromeosInfoPrivateSetFunction::RunImpl() {
 179   std::string param_name;
 180   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &param_name));
 181   if (param_name == kPropertyTimezone) {
 182     std::string param_value;
 183     EXTENSION_FUNCTION_VALIDATE(args_->GetString(1, &param_value));
 184     chromeos::CrosSettings::Get()->Set(chromeos::kSystemTimezone,
 185                                        base::StringValue(param_value));
 186   } else {
 187     const char* pref_name = GetBoolPrefNameForApiProperty(param_name.c_str());
 188     if (pref_name) {
 189       bool param_value;
 190       EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(1, &param_value));
 191       Profile::FromBrowserContext(context_)->GetPrefs()->SetBoolean(
 192           pref_name,
 193           param_value);
 194     } else {
 195       error_ = ErrorUtils::FormatErrorMessage(kPropertyNotFound, param_name);
 196       return false;
 197     }
 198   }
 199
 200   return true;
 201 }
 202
 203 }  // namespace extensions