src/chrome/browser/ui/webui/options/browser_options_handler.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/ui/webui/options/browser_options_handler.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "apps/app_window.h"
  11 #include "apps/app_window_registry.h"
  12 #include "base/bind.h"
  13 #include "base/bind_helpers.h"
  14 #include "base/command_line.h"
  15 #include "base/memory/singleton.h"
  16 #include "base/metrics/field_trial.h"
  17 #include "base/metrics/histogram.h"
  18 #include "base/path_service.h"
  19 #include "base/prefs/pref_service.h"
  20 #include "base/prefs/scoped_user_pref_update.h"
  21 #include "base/stl_util.h"
  22 #include "base/strings/string_number_conversions.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "base/value_conversions.h"
  25 #include "base/values.h"
  26 #include "chrome/browser/auto_launch_trial.h"
  27 #include "chrome/browser/browser_process.h"
  28 #include "chrome/browser/chrome_notification_types.h"
  29 #include "chrome/browser/chrome_page_zoom.h"
  30 #include "chrome/browser/custom_home_pages_table_model.h"
  31 #include "chrome/browser/download/download_prefs.h"
  32 #include "chrome/browser/gpu/gpu_mode_manager.h"
  33 #include "chrome/browser/lifetime/application_lifetime.h"
  34 #include "chrome/browser/prefs/session_startup_pref.h"
  35 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
  36 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
  37 #include "chrome/browser/profile_resetter/automatic_profile_resetter.h"
  38 #include "chrome/browser/profile_resetter/automatic_profile_resetter_factory.h"
  39 #include "chrome/browser/profiles/profile.h"
  40 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
  41 #include "chrome/browser/profiles/profile_info_cache.h"
  42 #include "chrome/browser/profiles/profile_manager.h"
  43 #include "chrome/browser/profiles/profile_metrics.h"
  44 #include "chrome/browser/profiles/profile_shortcut_manager.h"
  45 #include "chrome/browser/profiles/profile_window.h"
  46 #include "chrome/browser/profiles/profiles_state.h"
  47 #include "chrome/browser/search/hotword_service.h"
  48 #include "chrome/browser/search/hotword_service_factory.h"
  49 #include "chrome/browser/search/search.h"
  50 #include "chrome/browser/search_engines/template_url.h"
  51 #include "chrome/browser/search_engines/template_url_service.h"
  52 #include "chrome/browser/search_engines/template_url_service_factory.h"
  53 #include "chrome/browser/signin/easy_unlock.h"
  54 #include "chrome/browser/signin/signin_manager_factory.h"
  55 #include "chrome/browser/sync/profile_sync_service.h"
  56 #include "chrome/browser/sync/profile_sync_service_factory.h"
  57 #include "chrome/browser/sync/sync_ui_util.h"
  58 #include "chrome/browser/themes/theme_service.h"
  59 #include "chrome/browser/themes/theme_service_factory.h"
  60 #include "chrome/browser/ui/browser_finder.h"
  61 #include "chrome/browser/ui/chrome_select_file_policy.h"
  62 #include "chrome/browser/ui/host_desktop.h"
  63 #include "chrome/browser/ui/options/options_util.h"
  64 #include "chrome/browser/ui/webui/favicon_source.h"
  65 #include "chrome/browser/ui/webui/options/options_handlers_helper.h"
  66 #include "chrome/common/chrome_constants.h"
  67 #include "chrome/common/chrome_paths.h"
  68 #include "chrome/common/chrome_switches.h"
  69 #include "chrome/common/extensions/extension_constants.h"
  70 #include "chrome/common/net/url_fixer_upper.h"
  71 #include "chrome/common/pref_names.h"
  72 #include "chrome/common/url_constants.h"
  73 #include "chromeos/chromeos_switches.h"
  74 #include "components/signin/core/browser/signin_manager.h"
  75 #include "content/public/browser/browser_thread.h"
  76 #include "content/public/browser/download_manager.h"
  77 #include "content/public/browser/navigation_controller.h"
  78 #include "content/public/browser/notification_details.h"
  79 #include "content/public/browser/notification_service.h"
  80 #include "content/public/browser/notification_source.h"
  81 #include "content/public/browser/notification_types.h"
  82 #include "content/public/browser/url_data_source.h"
  83 #include "content/public/browser/user_metrics.h"
  84 #include "content/public/browser/web_contents.h"
  85 #include "content/public/common/page_zoom.h"
  86 #include "extensions/browser/extension_registry.h"
  87 #include "google_apis/gaia/gaia_auth_util.h"
  88 #include "google_apis/gaia/google_service_auth_error.h"
  89 #include "grit/chromium_strings.h"
  90 #include "grit/generated_resources.h"
  91 #include "grit/locale_settings.h"
  92 #include "grit/theme_resources.h"
  93 #include "third_party/skia/include/core/SkBitmap.h"
  94 #include "ui/base/l10n/l10n_util.h"
  95 #include "ui/base/webui/web_ui_util.h"
  96
  97 #if !defined(OS_CHROMEOS)
  98 #include "chrome/browser/ui/webui/options/advanced_options_utils.h"
  99 #endif
 100
 101 #if defined(OS_CHROMEOS)
 102 #include "ash/ash_switches.h"
 103 #include "ash/desktop_background/user_wallpaper_delegate.h"
 104 #include "ash/magnifier/magnifier_constants.h"
 105 #include "ash/shell.h"
 106 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 107 #include "chrome/browser/chromeos/chromeos_utils.h"
 108 #include "chrome/browser/chromeos/login/user.h"
 109 #include "chrome/browser/chromeos/login/user_manager.h"
 110 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
 111 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 112 #include "chrome/browser/chromeos/reset/metrics.h"
 113 #include "chrome/browser/chromeos/settings/cros_settings.h"
 114 #include "chrome/browser/chromeos/system/timezone_util.h"
 115 #include "chrome/browser/policy/profile_policy_connector.h"
 116 #include "chrome/browser/policy/profile_policy_connector_factory.h"
 117 #include "chrome/browser/ui/browser_window.h"
 118 #include "chromeos/dbus/dbus_thread_manager.h"
 119 #include "chromeos/dbus/power_manager_client.h"
 120 #include "components/policy/core/common/policy_map.h"
 121 #include "components/policy/core/common/policy_namespace.h"
 122 #include "components/policy/core/common/policy_service.h"
 123 #include "policy/policy_constants.h"
 124 #include "ui/gfx/image/image_skia.h"
 125 #endif  // defined(OS_CHROMEOS)
 126
 127 #if defined(OS_WIN)
 128 #include "chrome/browser/extensions/settings_api_helpers.h"
 129 #include "chrome/installer/util/auto_launch_util.h"
 130 #include "content/public/browser/browser_url_handler.h"
 131 #endif  // defined(OS_WIN)
 132
 133 #if defined(ENABLE_SERVICE_DISCOVERY)
 134 #include "chrome/browser/local_discovery/privet_notifications.h"
 135 #endif
 136
 137 using base::UserMetricsAction;
 138 using content::BrowserContext;
 139 using content::BrowserThread;
 140 using content::DownloadManager;
 141 using content::OpenURLParams;
 142 using content::Referrer;
 143 using extensions::Extension;
 144 using extensions::ExtensionRegistry;
 145
 146 namespace {
 147
 148 #if defined(OS_WIN)
 149 void AppendExtensionData(const std::string& key,
 150                          const Extension* extension,
 151                          base::DictionaryValue* dict) {
 152   scoped_ptr<base::DictionaryValue> details(new base::DictionaryValue);
 153   details->SetString("id", extension ? extension->id() : std::string());
 154   details->SetString("name", extension ? extension->name() : std::string());
 155   dict->Set(key, details.release());
 156 }
 157 #endif  // defined(OS_WIN)
 158
 159 }  // namespace
 160
 161 namespace options {
 162
 163 BrowserOptionsHandler::BrowserOptionsHandler()
 164     : page_initialized_(false),
 165       template_url_service_(NULL),
 166       cloud_print_mdns_ui_enabled_(false),
 167       signin_observer_(this),
 168       weak_ptr_factory_(this) {
 169 #if !defined(OS_MACOSX)
 170   default_browser_worker_ = new ShellIntegration::DefaultBrowserWorker(this);
 171 #endif
 172
 173 #if defined(ENABLE_SERVICE_DISCOVERY)
 174   cloud_print_mdns_ui_enabled_ = !CommandLine::ForCurrentProcess()->HasSwitch(
 175         switches::kDisableDeviceDiscovery);
 176 #endif  // defined(ENABLE_SERVICE_DISCOVERY)
 177 }
 178
 179 BrowserOptionsHandler::~BrowserOptionsHandler() {
 180   ProfileSyncService* sync_service(ProfileSyncServiceFactory::
 181       GetInstance()->GetForProfile(Profile::FromWebUI(web_ui())));
 182   if (sync_service)
 183     sync_service->RemoveObserver(this);
 184
 185   if (default_browser_worker_.get())
 186     default_browser_worker_->ObserverDestroyed();
 187   if (template_url_service_)
 188     template_url_service_->RemoveObserver(this);
 189   // There may be pending file dialogs, we need to tell them that we've gone
 190   // away so they don't try and call back to us.
 191   if (select_folder_dialog_.get())
 192     select_folder_dialog_->ListenerDestroyed();
 193 }
 194
 195 void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
 196   DCHECK(values);
 197
 198   static OptionsStringResource resources[] = {
 199     { "advancedSectionTitleCloudPrint", IDS_GOOGLE_CLOUD_PRINT },
 200     { "currentUserOnly", IDS_OPTIONS_CURRENT_USER_ONLY },
 201     { "advancedSectionTitleCertificates",
 202       IDS_OPTIONS_ADVANCED_SECTION_TITLE_CERTIFICATES },
 203     { "advancedSectionTitleContent",
 204       IDS_OPTIONS_ADVANCED_SECTION_TITLE_CONTENT },
 205     { "advancedSectionTitleLanguages",
 206       IDS_OPTIONS_ADVANCED_SECTION_TITLE_LANGUAGES },
 207     { "advancedSectionTitleNetwork",
 208       IDS_OPTIONS_ADVANCED_SECTION_TITLE_NETWORK },
 209     { "advancedSectionTitlePrivacy",
 210       IDS_OPTIONS_ADVANCED_SECTION_TITLE_PRIVACY },
 211     { "autofillEnabled", IDS_OPTIONS_AUTOFILL_ENABLE },
 212     { "autologinEnabled", IDS_OPTIONS_PASSWORDS_AUTOLOGIN },
 213     { "autoOpenFileTypesInfo", IDS_OPTIONS_OPEN_FILE_TYPES_AUTOMATICALLY },
 214     { "autoOpenFileTypesResetToDefault",
 215       IDS_OPTIONS_AUTOOPENFILETYPES_RESETTODEFAULT },
 216     { "changeHomePage", IDS_OPTIONS_CHANGE_HOME_PAGE },
 217     { "certificatesManageButton", IDS_OPTIONS_CERTIFICATES_MANAGE_BUTTON },
 218     { "customizeSync", IDS_OPTIONS_CUSTOMIZE_SYNC_BUTTON_LABEL },
 219     { "defaultFontSizeLabel", IDS_OPTIONS_DEFAULT_FONT_SIZE_LABEL },
 220     { "defaultSearchManageEngines", IDS_OPTIONS_DEFAULTSEARCH_MANAGE_ENGINES },
 221     { "defaultZoomFactorLabel", IDS_OPTIONS_DEFAULT_ZOOM_LEVEL_LABEL },
 222 #if defined(OS_CHROMEOS)
 223     { "disableGData", IDS_OPTIONS_DISABLE_GDATA },
 224 #endif
 225     { "disableWebServices", IDS_OPTIONS_DISABLE_WEB_SERVICES },
 226 #if defined(OS_CHROMEOS)
 227     { "displayOptions",
 228       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_BUTTON_LABEL },
 229 #endif
 230     { "doNotTrack", IDS_OPTIONS_ENABLE_DO_NOT_TRACK },
 231     { "doNotTrackConfirmMessage", IDS_OPTIONS_ENABLE_DO_NOT_TRACK_BUBBLE_TEXT },
 232     { "doNotTrackConfirmEnable",
 233        IDS_OPTIONS_ENABLE_DO_NOT_TRACK_BUBBLE_ENABLE },
 234     { "doNotTrackConfirmDisable",
 235        IDS_OPTIONS_ENABLE_DO_NOT_TRACK_BUBBLE_DISABLE },
 236     { "downloadLocationAskForSaveLocation",
 237       IDS_OPTIONS_DOWNLOADLOCATION_ASKFORSAVELOCATION },
 238     { "downloadLocationBrowseTitle",
 239       IDS_OPTIONS_DOWNLOADLOCATION_BROWSE_TITLE },
 240     { "downloadLocationChangeButton",
 241       IDS_OPTIONS_DOWNLOADLOCATION_CHANGE_BUTTON },
 242     { "downloadLocationGroupName", IDS_OPTIONS_DOWNLOADLOCATION_GROUP_NAME },
 243     { "enableLogging", IDS_OPTIONS_ENABLE_LOGGING },
 244 #if !defined(OS_CHROMEOS)
 245     { "easyUnlockCheckboxLabel", IDS_OPTIONS_EASY_UNLOCK_CHECKBOX_LABEL },
 246 #endif
 247     { "easyUnlockSectionTitle", IDS_OPTIONS_EASY_UNLOCK_SECTION_TITLE },
 248     { "easyUnlockSetupButton", IDS_OPTIONS_EASY_UNLOCK_SETUP_BUTTON },
 249     { "easyUnlockManagement", IDS_OPTIONS_EASY_UNLOCK_MANAGEMENT },
 250     { "extensionControlled", IDS_OPTIONS_TAB_EXTENSION_CONTROLLED },
 251     { "extensionDisable", IDS_OPTIONS_TAB_EXTENSION_CONTROLLED_DISABLE },
 252     { "fontSettingsCustomizeFontsButton",
 253       IDS_OPTIONS_FONTSETTINGS_CUSTOMIZE_FONTS_BUTTON },
 254     { "fontSizeLabelCustom", IDS_OPTIONS_FONT_SIZE_LABEL_CUSTOM },
 255     { "fontSizeLabelLarge", IDS_OPTIONS_FONT_SIZE_LABEL_LARGE },
 256     { "fontSizeLabelMedium", IDS_OPTIONS_FONT_SIZE_LABEL_MEDIUM },
 257     { "fontSizeLabelSmall", IDS_OPTIONS_FONT_SIZE_LABEL_SMALL },
 258     { "fontSizeLabelVeryLarge", IDS_OPTIONS_FONT_SIZE_LABEL_VERY_LARGE },
 259     { "fontSizeLabelVerySmall", IDS_OPTIONS_FONT_SIZE_LABEL_VERY_SMALL },
 260     { "hideAdvancedSettings", IDS_SETTINGS_HIDE_ADVANCED_SETTINGS },
 261     { "homePageNtp", IDS_OPTIONS_HOMEPAGE_NTP },
 262     { "homePageShowHomeButton", IDS_OPTIONS_TOOLBAR_SHOW_HOME_BUTTON },
 263     { "homePageUseNewTab", IDS_OPTIONS_HOMEPAGE_USE_NEWTAB },
 264     { "homePageUseURL", IDS_OPTIONS_HOMEPAGE_USE_URL },
 265     { "hotwordSearchEnable", IDS_HOTWORD_SEARCH_PREF_CHKBOX },
 266     { "hotwordConfirmEnable", IDS_HOTWORD_CONFIRM_BUBBLE_ENABLE },
 267     { "hotwordConfirmDisable", IDS_HOTWORD_CONFIRM_BUBBLE_DISABLE },
 268     { "hotwordConfirmMessage", IDS_HOTWORD_SEARCH_PREF_DESCRIPTION },
 269     { "hotwordRetryDownloadButton", IDS_HOTWORD_RETRY_DOWNLOAD_BUTTON },
 270     { "hotwordAudioLoggingEnable", IDS_HOTWORD_AUDIO_LOGGING_ENABLE },
 271     { "importData", IDS_OPTIONS_IMPORT_DATA_BUTTON },
 272     { "improveBrowsingExperience", IDS_OPTIONS_IMPROVE_BROWSING_EXPERIENCE },
 273     { "languageAndSpellCheckSettingsButton",
 274       IDS_OPTIONS_SETTINGS_LANGUAGE_AND_INPUT_SETTINGS },
 275     { "linkDoctorPref", IDS_OPTIONS_LINKDOCTOR_PREF },
 276     { "manageAutofillSettings", IDS_OPTIONS_MANAGE_AUTOFILL_SETTINGS_LINK },
 277     { "manageLanguages", IDS_OPTIONS_TRANSLATE_MANAGE_LANGUAGES },
 278     { "managePasswords", IDS_OPTIONS_PASSWORDS_MANAGE_PASSWORDS_LINK },
 279     { "managedUserLabel", IDS_MANAGED_USER_AVATAR_LABEL },
 280     { "networkPredictionEnabledDescription",
 281       IDS_NETWORK_PREDICTION_ENABLED_DESCRIPTION },
 282     { "passwordsAndAutofillGroupName",
 283       IDS_OPTIONS_PASSWORDS_AND_FORMS_GROUP_NAME },
 284     { "passwordManagerEnabled", IDS_OPTIONS_PASSWORD_MANAGER_ENABLE },
 285     { "privacyClearDataButton", IDS_OPTIONS_PRIVACY_CLEAR_DATA_BUTTON },
 286     { "privacyContentSettingsButton",
 287       IDS_OPTIONS_PRIVACY_CONTENT_SETTINGS_BUTTON },
 288     { "profilesCreate", IDS_PROFILES_CREATE_BUTTON_LABEL },
 289     { "profilesDelete", IDS_PROFILES_DELETE_BUTTON_LABEL },
 290     { "profilesDeleteSingle", IDS_PROFILES_DELETE_SINGLE_BUTTON_LABEL },
 291     { "profilesListItemCurrent", IDS_PROFILES_LIST_ITEM_CURRENT },
 292     { "profilesManage", IDS_PROFILES_MANAGE_BUTTON_LABEL },
 293     { "profilesSupervisedDashboardTip",
 294       IDS_PROFILES_SUPERVISED_USER_DASHBOARD_TIP },
 295 #if defined(ENABLE_SETTINGS_APP)
 296     { "profilesAppListSwitch", IDS_SETTINGS_APP_PROFILES_SWITCH_BUTTON_LABEL },
 297 #endif
 298     { "proxiesLabelExtension", IDS_OPTIONS_EXTENSION_PROXIES_LABEL },
 299     { "proxiesLabelSystem", IDS_OPTIONS_SYSTEM_PROXIES_LABEL,
 300       IDS_PRODUCT_NAME },
 301     { "resetProfileSettings", IDS_RESET_PROFILE_SETTINGS_BUTTON },
 302     { "resetProfileSettingsDescription",
 303       IDS_RESET_PROFILE_SETTINGS_DESCRIPTION },
 304     { "resetProfileSettingsSectionTitle",
 305       IDS_RESET_PROFILE_SETTINGS_SECTION_TITLE },
 306     { "safeBrowsingEnableProtection",
 307       IDS_OPTIONS_SAFEBROWSING_ENABLEPROTECTION },
 308     { "safeBrowsingEnableDownloadFeedback",
 309       IDS_OPTIONS_SAFEBROWSING_ENABLEDOWNLOADFEEDBACK },
 310     { "sectionTitleAppearance", IDS_APPEARANCE_GROUP_NAME },
 311     { "sectionTitleDefaultBrowser", IDS_OPTIONS_DEFAULTBROWSER_GROUP_NAME },
 312     { "sectionTitleUsers", IDS_PROFILES_OPTIONS_GROUP_NAME },
 313     { "sectionTitleSearch", IDS_OPTIONS_DEFAULTSEARCH_GROUP_NAME },
 314     { "sectionTitleStartup", IDS_OPTIONS_STARTUP_GROUP_NAME },
 315     { "sectionTitleSync", IDS_SYNC_OPTIONS_GROUP_NAME },
 316     { "spellingConfirmMessage", IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_TEXT },
 317     { "spellingConfirmEnable", IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_ENABLE },
 318     { "spellingConfirmDisable", IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_DISABLE },
 319     { "spellingPref", IDS_OPTIONS_SPELLING_PREF },
 320     { "startupRestoreLastSession", IDS_OPTIONS_STARTUP_RESTORE_LAST_SESSION },
 321     { "settingsTitle", IDS_SETTINGS_TITLE },
 322     { "showAdvancedSettings", IDS_SETTINGS_SHOW_ADVANCED_SETTINGS },
 323     { "startupSetPages", IDS_OPTIONS_STARTUP_SET_PAGES },
 324     { "startupShowNewTab", IDS_OPTIONS_STARTUP_SHOW_NEWTAB },
 325     { "startupShowPages", IDS_OPTIONS_STARTUP_SHOW_PAGES },
 326     { "suggestPref", IDS_OPTIONS_SUGGEST_PREF },
 327     { "syncButtonTextInProgress", IDS_SYNC_NTP_SETUP_IN_PROGRESS },
 328     { "syncButtonTextStop", IDS_SYNC_STOP_SYNCING_BUTTON_LABEL },
 329     { "themesGallery", IDS_THEMES_GALLERY_BUTTON },
 330     { "themesGalleryURL", IDS_THEMES_GALLERY_URL },
 331     { "tabsToLinksPref", IDS_OPTIONS_TABS_TO_LINKS_PREF },
 332     { "toolbarShowBookmarksBar", IDS_OPTIONS_TOOLBAR_SHOW_BOOKMARKS_BAR },
 333     { "toolbarShowHomeButton", IDS_OPTIONS_TOOLBAR_SHOW_HOME_BUTTON },
 334     { "translateEnableTranslate",
 335       IDS_OPTIONS_TRANSLATE_ENABLE_TRANSLATE },
 336 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 337     { "showWindowDecorations", IDS_SHOW_WINDOW_DECORATIONS },
 338     { "themesNativeButton", IDS_THEMES_GTK_BUTTON },
 339     { "themesSetClassic", IDS_THEMES_SET_CLASSIC },
 340 #else
 341     { "themes", IDS_THEMES_GROUP_NAME },
 342 #endif
 343     { "themesReset", IDS_THEMES_RESET_BUTTON },
 344 #if defined(OS_CHROMEOS)
 345     { "accessibilityExplanation",
 346       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_EXPLANATION },
 347     { "accessibilitySettings",
 348       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SETTINGS },
 349     { "accessibilityHighContrast",
 350       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_HIGH_CONTRAST_DESCRIPTION },
 351     { "accessibilityScreenMagnifier",
 352       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_DESCRIPTION },
 353     { "accessibilityTapDragging",
 354       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_TOUCHPAD_TAP_DRAGGING_DESCRIPTION },
 355     { "accessibilityScreenMagnifierOff",
 356       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_OFF },
 357     { "accessibilityScreenMagnifierFull",
 358       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_FULL },
 359     { "accessibilityScreenMagnifierPartial",
 360       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_PARTIAL },
 361     { "accessibilityLargeCursor",
 362       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_LARGE_CURSOR_DESCRIPTION },
 363     { "accessibilityStickyKeys",
 364       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_STICKY_KEYS_DESCRIPTION },
 365     { "accessibilitySpokenFeedback",
 366       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SPOKEN_FEEDBACK_DESCRIPTION },
 367     { "accessibilityTitle",
 368       IDS_OPTIONS_SETTINGS_SECTION_TITLE_ACCESSIBILITY },
 369     { "accessibilityVirtualKeyboard",
 370       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_VIRTUAL_KEYBOARD_DESCRIPTION },
 371     { "accessibilityAlwaysShowMenu",
 372       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SHOULD_ALWAYS_SHOW_MENU },
 373     { "accessibilityAutoclick",
 374       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DESCRIPTION },
 375     { "accessibilityAutoclickDropdown",
 376       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DROPDOWN_DESCRIPTION },
 377     { "autoclickDelayExtremelyShort",
 378       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DELAY_EXTREMELY_SHORT },
 379     { "autoclickDelayVeryShort",
 380       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DELAY_VERY_SHORT },
 381     { "autoclickDelayShort",
 382       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DELAY_SHORT },
 383     { "autoclickDelayLong",
 384       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DELAY_LONG },
 385     { "autoclickDelayVeryLong",
 386       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DELAY_VERY_LONG },
 387     { "consumerManagementEnrollButton",
 388       IDS_OPTIONS_CONSUMER_MANAGEMENT_ENROLL_BUTTON },
 389     { "consumerManagementEnrollDescription",
 390       IDS_OPTIONS_CONSUMER_MANAGEMENT_ENROLL_DESCRIPTION },
 391     { "enableContentProtectionAttestation",
 392       IDS_OPTIONS_ENABLE_CONTENT_PROTECTION_ATTESTATION },
 393     { "factoryResetHeading", IDS_OPTIONS_FACTORY_RESET_HEADING },
 394     { "factoryResetTitle", IDS_OPTIONS_FACTORY_RESET },
 395     { "factoryResetRestart", IDS_OPTIONS_FACTORY_RESET_BUTTON },
 396     { "factoryResetDataRestart", IDS_RELAUNCH_BUTTON },
 397     { "factoryResetWarning", IDS_OPTIONS_FACTORY_RESET_WARNING },
 398     { "factoryResetHelpUrl", IDS_FACTORY_RESET_HELP_URL },
 399     { "changePicture", IDS_OPTIONS_CHANGE_PICTURE },
 400     { "changePictureCaption", IDS_OPTIONS_CHANGE_PICTURE_CAPTION },
 401     { "datetimeTitle", IDS_OPTIONS_SETTINGS_SECTION_TITLE_DATETIME },
 402     { "deviceGroupDescription", IDS_OPTIONS_DEVICE_GROUP_DESCRIPTION },
 403     { "deviceGroupPointer", IDS_OPTIONS_DEVICE_GROUP_POINTER_SECTION },
 404     { "mouseSpeed", IDS_OPTIONS_SETTINGS_MOUSE_SPEED_DESCRIPTION },
 405     { "touchpadSpeed", IDS_OPTIONS_SETTINGS_TOUCHPAD_SPEED_DESCRIPTION },
 406     { "enableScreenlock", IDS_OPTIONS_ENABLE_SCREENLOCKER_CHECKBOX },
 407     { "internetOptionsButtonTitle", IDS_OPTIONS_INTERNET_OPTIONS_BUTTON_TITLE },
 408     { "keyboardSettingsButtonTitle",
 409       IDS_OPTIONS_DEVICE_GROUP_KEYBOARD_SETTINGS_BUTTON_TITLE },
 410     { "manageAccountsButtonTitle", IDS_OPTIONS_ACCOUNTS_BUTTON_TITLE },
 411     { "noPointingDevices", IDS_OPTIONS_NO_POINTING_DEVICES },
 412     { "sectionTitleDevice", IDS_OPTIONS_DEVICE_GROUP_NAME },
 413     { "sectionTitleInternet", IDS_OPTIONS_INTERNET_OPTIONS_GROUP_LABEL },
 414     { "securityTitle", IDS_OPTIONS_SECURITY_SECTION_TITLE },
 415     { "syncOverview", IDS_SYNC_OVERVIEW },
 416     { "syncButtonTextStart", IDS_SYNC_SETUP_BUTTON_LABEL },
 417     { "timezone", IDS_OPTIONS_SETTINGS_TIMEZONE_DESCRIPTION },
 418     { "use24HourClock", IDS_OPTIONS_SETTINGS_USE_24HOUR_CLOCK_DESCRIPTION },
 419 #else
 420     { "proxiesConfigureButton", IDS_OPTIONS_PROXIES_CONFIGURE_BUTTON },
 421 #endif
 422 #if defined(OS_CHROMEOS) && defined(USE_ASH)
 423     { "setWallpaper", IDS_SET_WALLPAPER_BUTTON },
 424 #endif
 425     { "advancedSectionTitleSystem",
 426       IDS_OPTIONS_ADVANCED_SECTION_TITLE_SYSTEM },
 427 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
 428     { "backgroundModeCheckbox", IDS_OPTIONS_SYSTEM_ENABLE_BACKGROUND_MODE },
 429 #endif
 430 #if !defined(OS_CHROMEOS)
 431     { "gpuModeCheckbox",
 432       IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE },
 433     { "gpuModeResetRestart",
 434       IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE_RESTART },
 435     // Strings with product-name substitutions.
 436     { "syncOverview", IDS_SYNC_OVERVIEW, IDS_PRODUCT_NAME },
 437     { "syncButtonTextStart", IDS_SYNC_SETUP_BUTTON_LABEL },
 438 #endif
 439     { "syncButtonTextSignIn", IDS_SYNC_START_SYNC_BUTTON_LABEL,
 440       IDS_SHORT_PRODUCT_NAME },
 441     { "profilesSingleUser", IDS_PROFILES_SINGLE_USER_MESSAGE,
 442       IDS_PRODUCT_NAME },
 443     { "defaultBrowserUnknown", IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN,
 444       IDS_PRODUCT_NAME },
 445     { "defaultBrowserUseAsDefault", IDS_OPTIONS_DEFAULTBROWSER_USEASDEFAULT },
 446     { "autoLaunchText", IDS_AUTOLAUNCH_TEXT },
 447 #if defined(OS_CHROMEOS)
 448     { "factoryResetDescription", IDS_OPTIONS_FACTORY_RESET_DESCRIPTION,
 449       IDS_SHORT_PRODUCT_NAME },
 450 #endif
 451     { "languageSectionLabel", IDS_OPTIONS_ADVANCED_LANGUAGE_LABEL,
 452       IDS_SHORT_PRODUCT_NAME },
 453 #if defined(ENABLE_SERVICE_DISCOVERY)
 454     { "cloudPrintDevicesPageButton", IDS_LOCAL_DISCOVERY_DEVICES_PAGE_BUTTON },
 455     { "cloudPrintEnableNotificationsLabel",
 456       IDS_LOCAL_DISCOVERY_NOTIFICATIONS_ENABLE_CHECKBOX_LABEL },
 457 #endif
 458   };
 459
 460 #if defined(ENABLE_SETTINGS_APP)
 461   static OptionsStringResource app_resources[] = {
 462     { "syncOverview", IDS_SETTINGS_APP_SYNC_OVERVIEW },
 463     { "syncButtonTextStart", IDS_SYNC_START_SYNC_BUTTON_LABEL,
 464       IDS_SETTINGS_APP_LAUNCHER_PRODUCT_NAME },
 465     { "profilesSingleUser", IDS_PROFILES_SINGLE_USER_MESSAGE,
 466       IDS_SETTINGS_APP_LAUNCHER_PRODUCT_NAME },
 467     { "languageSectionLabel", IDS_OPTIONS_ADVANCED_LANGUAGE_LABEL,
 468       IDS_SETTINGS_APP_LAUNCHER_PRODUCT_NAME },
 469     { "proxiesLabelSystem", IDS_OPTIONS_SYSTEM_PROXIES_LABEL,
 470       IDS_SETTINGS_APP_LAUNCHER_PRODUCT_NAME },
 471   };
 472   base::DictionaryValue* app_values = NULL;
 473   CHECK(values->GetDictionary(kSettingsAppKey, &app_values));
 474   RegisterStrings(app_values, app_resources, arraysize(app_resources));
 475 #endif
 476
 477   RegisterStrings(values, resources, arraysize(resources));
 478   RegisterTitle(values, "doNotTrackConfirmOverlay",
 479                 IDS_OPTIONS_ENABLE_DO_NOT_TRACK_BUBBLE_TITLE);
 480   RegisterTitle(values, "spellingConfirmOverlay",
 481                 IDS_CONTENT_CONTEXT_SPELLING_ASK_GOOGLE);
 482 #if defined(ENABLE_FULL_PRINTING)
 483   RegisterCloudPrintValues(values);
 484 #endif
 485
 486   values->SetString("syncLearnMoreURL", chrome::kSyncLearnMoreURL);
 487   base::string16 omnibox_url = base::ASCIIToUTF16(chrome::kOmniboxLearnMoreURL);
 488   values->SetString(
 489       "defaultSearchGroupLabel",
 490       l10n_util::GetStringFUTF16(IDS_SEARCH_PREF_EXPLANATION, omnibox_url));
 491   values->SetString("hotwordLearnMoreURL", chrome::kHotwordLearnMoreURL);
 492   RegisterTitle(values, "hotwordConfirmOverlay",
 493                 IDS_HOTWORD_CONFIRM_BUBBLE_TITLE);
 494
 495 #if defined(OS_CHROMEOS)
 496   Profile* profile = Profile::FromWebUI(web_ui());
 497   std::string username = profile->GetProfileName();
 498   if (username.empty()) {
 499     chromeos::User* user =
 500         chromeos::UserManager::Get()->GetUserByProfile(profile);
 501     if (user && (user->GetType() != chromeos::User::USER_TYPE_GUEST))
 502       username = user->email();
 503
 504   }
 505   if (!username.empty())
 506     username = gaia::SanitizeEmail(gaia::CanonicalizeEmail(username));
 507
 508   values->SetString("username", username);
 509 #endif
 510
 511   // Pass along sync status early so it will be available during page init.
 512   values->Set("syncData", GetSyncStateDictionary().release());
 513
 514   // The Reset Profile Settings feature makes no sense for an off-the-record
 515   // profile (e.g. in Guest mode on Chrome OS), so hide it.
 516   values->SetBoolean("enableResetProfileSettings",
 517                      !Profile::FromWebUI(web_ui())->IsOffTheRecord());
 518
 519   values->SetString("privacyLearnMoreURL", chrome::kPrivacyLearnMoreURL);
 520   values->SetString("doNotTrackLearnMoreURL", chrome::kDoNotTrackLearnMoreURL);
 521
 522 #if defined(OS_CHROMEOS)
 523   // TODO(pastarmovj): replace this with a call to the CrosSettings list
 524   // handling functionality to come.
 525   values->Set("timezoneList", chromeos::system::GetTimezoneList().release());
 526
 527   values->SetString("accessibilityLearnMoreURL",
 528                     chrome::kChromeAccessibilityHelpURL);
 529
 530   std::string settings_url = std::string("chrome-extension://") +
 531       extension_misc::kChromeVoxExtensionId +
 532       chrome::kChromeAccessibilitySettingsURL;
 533
 534   values->SetString("accessibilitySettingsURL",
 535                     settings_url);
 536
 537   values->SetString("contentProtectionAttestationLearnMoreURL",
 538                     chrome::kAttestationForContentProtectionLearnMoreURL);
 539
 540   // Creates magnifierList.
 541   scoped_ptr<base::ListValue> magnifier_list(new base::ListValue);
 542
 543   scoped_ptr<base::ListValue> option_full(new base::ListValue);
 544   option_full->AppendInteger(ash::MAGNIFIER_FULL);
 545   option_full->AppendString(l10n_util::GetStringUTF16(
 546       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_FULL));
 547   magnifier_list->Append(option_full.release());
 548
 549   scoped_ptr<base::ListValue> option_partial(new base::ListValue);
 550   option_partial->AppendInteger(ash::MAGNIFIER_PARTIAL);
 551   option_partial->Append(new base::StringValue(l10n_util::GetStringUTF16(
 552       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_PARTIAL)));
 553   magnifier_list->Append(option_partial.release());
 554
 555   values->Set("magnifierList", magnifier_list.release());
 556 #endif
 557
 558 #if defined(OS_MACOSX)
 559   values->SetString("macPasswordsWarning",
 560       l10n_util::GetStringUTF16(IDS_OPTIONS_PASSWORDS_MAC_WARNING));
 561   values->SetBoolean("multiple_profiles",
 562       g_browser_process->profile_manager()->GetNumberOfProfiles() > 1);
 563 #endif
 564
 565   if (ShouldShowMultiProfilesUserList())
 566     values->Set("profilesInfo", GetProfilesInfoList().release());
 567
 568   values->SetBoolean("profileIsManaged",
 569                      Profile::FromWebUI(web_ui())->IsManaged());
 570
 571 #if !defined(OS_CHROMEOS)
 572   values->SetBoolean(
 573       "gpuEnabledAtStart",
 574       g_browser_process->gpu_mode_manager()->initial_gpu_mode_pref());
 575 #endif
 576
 577 #if defined(ENABLE_SERVICE_DISCOVERY)
 578   values->SetBoolean("cloudPrintHideNotificationsCheckbox",
 579                      !local_discovery::PrivetNotificationService::IsEnabled());
 580 #endif
 581
 582   values->SetBoolean("cloudPrintShowMDnsOptions",
 583                      cloud_print_mdns_ui_enabled_);
 584
 585   values->SetString("cloudPrintLearnMoreURL", chrome::kCloudPrintLearnMoreURL);
 586
 587   values->SetString("languagesLearnMoreURL",
 588                     chrome::kLanguageSettingsLearnMoreUrl);
 589
 590   values->SetBoolean(
 591       "easyUnlockEnabled",
 592       CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableEasyUnlock));
 593   values->SetString("easyUnlockLearnMoreURL", chrome::kEasyUnlockLearnMoreUrl);
 594   values->SetString("easyUnlockManagementURL",
 595                     chrome::kEasyUnlockManagementUrl);
 596 #if defined(OS_CHROMEOS)
 597   values->SetString("easyUnlockCheckboxLabel",
 598       l10n_util::GetStringFUTF16(
 599           IDS_OPTIONS_EASY_UNLOCK_CHECKBOX_LABEL_CHROMEOS,
 600           chromeos::GetChromeDeviceType()));
 601
 602   values->SetBoolean(
 603       "consumerManagementEnabled",
 604       CommandLine::ForCurrentProcess()->HasSwitch(
 605           chromeos::switches::kEnableConsumerManagement));
 606 #endif
 607 }
 608
 609 #if defined(ENABLE_FULL_PRINTING)
 610 void BrowserOptionsHandler::RegisterCloudPrintValues(
 611     base::DictionaryValue* values) {
 612   values->SetString("cloudPrintOptionLabel",
 613                     l10n_util::GetStringFUTF16(
 614                         IDS_CLOUD_PRINT_CHROMEOS_OPTION_LABEL,
 615                         l10n_util::GetStringUTF16(IDS_GOOGLE_CLOUD_PRINT)));
 616
 617   values->SetBoolean("showSetDefault", ShouldShowSetDefaultBrowser());
 618   values->SetBoolean("allowAdvancedSettings", ShouldAllowAdvancedSettings());
 619 }
 620 #endif  // defined(ENABLE_FULL_PRINTING)
 621
 622 void BrowserOptionsHandler::RegisterMessages() {
 623   web_ui()->RegisterMessageCallback(
 624       "becomeDefaultBrowser",
 625       base::Bind(&BrowserOptionsHandler::BecomeDefaultBrowser,
 626                  base::Unretained(this)));
 627   web_ui()->RegisterMessageCallback(
 628       "setDefaultSearchEngine",
 629       base::Bind(&BrowserOptionsHandler::SetDefaultSearchEngine,
 630                  base::Unretained(this)));
 631   web_ui()->RegisterMessageCallback(
 632       "deleteProfile",
 633       base::Bind(&BrowserOptionsHandler::DeleteProfile,
 634                  base::Unretained(this)));
 635   web_ui()->RegisterMessageCallback(
 636       "themesReset",
 637       base::Bind(&BrowserOptionsHandler::ThemesReset,
 638                  base::Unretained(this)));
 639   web_ui()->RegisterMessageCallback(
 640       "requestProfilesInfo",
 641       base::Bind(&BrowserOptionsHandler::HandleRequestProfilesInfo,
 642                  base::Unretained(this)));
 643 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 644   web_ui()->RegisterMessageCallback(
 645       "themesSetNative",
 646       base::Bind(&BrowserOptionsHandler::ThemesSetNative,
 647                  base::Unretained(this)));
 648 #endif
 649   web_ui()->RegisterMessageCallback(
 650       "selectDownloadLocation",
 651       base::Bind(&BrowserOptionsHandler::HandleSelectDownloadLocation,
 652                  base::Unretained(this)));
 653   web_ui()->RegisterMessageCallback(
 654       "autoOpenFileTypesAction",
 655       base::Bind(&BrowserOptionsHandler::HandleAutoOpenButton,
 656                  base::Unretained(this)));
 657   web_ui()->RegisterMessageCallback(
 658       "defaultFontSizeAction",
 659       base::Bind(&BrowserOptionsHandler::HandleDefaultFontSize,
 660                  base::Unretained(this)));
 661   web_ui()->RegisterMessageCallback(
 662       "defaultZoomFactorAction",
 663       base::Bind(&BrowserOptionsHandler::HandleDefaultZoomFactor,
 664                  base::Unretained(this)));
 665 #if !defined(USE_NSS) && !defined(USE_OPENSSL)
 666   web_ui()->RegisterMessageCallback(
 667       "showManageSSLCertificates",
 668       base::Bind(&BrowserOptionsHandler::ShowManageSSLCertificates,
 669                  base::Unretained(this)));
 670 #endif
 671 #if defined(OS_CHROMEOS)
 672   web_ui()->RegisterMessageCallback(
 673       "openWallpaperManager",
 674       base::Bind(&BrowserOptionsHandler::HandleOpenWallpaperManager,
 675                  base::Unretained(this)));
 676   web_ui()->RegisterMessageCallback(
 677       "virtualKeyboardChange",
 678       base::Bind(&BrowserOptionsHandler::VirtualKeyboardChangeCallback,
 679                  base::Unretained(this)));
 680   web_ui()->RegisterMessageCallback(
 681        "onPowerwashDialogShow",
 682        base::Bind(&BrowserOptionsHandler::OnPowerwashDialogShow,
 683                   base::Unretained(this)));
 684   web_ui()->RegisterMessageCallback(
 685       "performFactoryResetRestart",
 686       base::Bind(&BrowserOptionsHandler::PerformFactoryResetRestart,
 687                  base::Unretained(this)));
 688   web_ui()->RegisterMessageCallback(
 689       "enrollConsumerManagement",
 690       base::Bind(&BrowserOptionsHandler::HandleEnrollConsumerManagement,
 691                  base::Unretained(this)));
 692 #else
 693   web_ui()->RegisterMessageCallback(
 694       "restartBrowser",
 695       base::Bind(&BrowserOptionsHandler::HandleRestartBrowser,
 696                  base::Unretained(this)));
 697   web_ui()->RegisterMessageCallback(
 698       "showNetworkProxySettings",
 699       base::Bind(&BrowserOptionsHandler::ShowNetworkProxySettings,
 700                  base::Unretained(this)));
 701 #endif  // defined(OS_CHROMEOS)
 702
 703 #if defined(ENABLE_SERVICE_DISCOVERY)
 704   if (cloud_print_mdns_ui_enabled_) {
 705     web_ui()->RegisterMessageCallback(
 706         "showCloudPrintDevicesPage",
 707         base::Bind(&BrowserOptionsHandler::ShowCloudPrintDevicesPage,
 708                    base::Unretained(this)));
 709   }
 710 #endif
 711   web_ui()->RegisterMessageCallback(
 712       "requestHotwordAvailable",
 713       base::Bind(&BrowserOptionsHandler::HandleRequestHotwordAvailable,
 714                  base::Unretained(this)));
 715
 716   web_ui()->RegisterMessageCallback(
 717       "requestHotwordSetupRetry",
 718       base::Bind(&BrowserOptionsHandler::HandleRequestHotwordSetupRetry,
 719                  base::Unretained(this)));
 720
 721   web_ui()->RegisterMessageCallback(
 722       "launchEasyUnlockSetup",
 723       base::Bind(&BrowserOptionsHandler::HandleLaunchEasyUnlockSetup,
 724                base::Unretained(this)));
 725 #if defined(OS_WIN)
 726   web_ui()->RegisterMessageCallback(
 727       "refreshExtensionControlIndicators",
 728       base::Bind(
 729           &BrowserOptionsHandler::HandleRefreshExtensionControlIndicators,
 730           base::Unretained(this)));
 731 #endif  // defined(OS_WIN)
 732 }
 733
 734 void BrowserOptionsHandler::Uninitialize() {
 735   registrar_.RemoveAll();
 736 #if defined(OS_WIN)
 737   ExtensionRegistry::Get(Profile::FromWebUI(web_ui()))->RemoveObserver(this);
 738 #endif
 739 }
 740
 741 void BrowserOptionsHandler::OnStateChanged() {
 742   UpdateSyncState();
 743 }
 744
 745 void BrowserOptionsHandler::GoogleSigninSucceeded(const std::string& username,
 746                                                   const std::string& password) {
 747   OnStateChanged();
 748 }
 749
 750 void BrowserOptionsHandler::GoogleSignedOut(const std::string& username) {
 751   OnStateChanged();
 752 }
 753
 754 void BrowserOptionsHandler::PageLoadStarted() {
 755   page_initialized_ = false;
 756 }
 757
 758 void BrowserOptionsHandler::InitializeHandler() {
 759   Profile* profile = Profile::FromWebUI(web_ui());
 760   PrefService* prefs = profile->GetPrefs();
 761
 762   ProfileSyncService* sync_service(
 763       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile));
 764   // TODO(blundell): Use a ScopedObserver to observe the PSS so that cleanup on
 765   // destruction is automatic.
 766   if (sync_service)
 767     sync_service->AddObserver(this);
 768
 769   SigninManagerBase* signin_manager(
 770       SigninManagerFactory::GetInstance()->GetForProfile(profile));
 771   if (signin_manager)
 772     signin_observer_.Add(signin_manager);
 773
 774   // Create our favicon data source.
 775   content::URLDataSource::Add(
 776       profile, new FaviconSource(profile, FaviconSource::FAVICON));
 777
 778   default_browser_policy_.Init(
 779       prefs::kDefaultBrowserSettingEnabled,
 780       g_browser_process->local_state(),
 781       base::Bind(&BrowserOptionsHandler::UpdateDefaultBrowserState,
 782                  base::Unretained(this)));
 783
 784   registrar_.Add(this, chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 785                  content::NotificationService::AllSources());
 786 #if defined(OS_CHROMEOS)
 787   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED,
 788                  content::NotificationService::AllSources());
 789 #endif
 790   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
 791                  content::Source<ThemeService>(
 792                      ThemeServiceFactory::GetForProfile(profile)));
 793   registrar_.Add(this, chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
 794                  content::Source<Profile>(profile));
 795   AddTemplateUrlServiceObserver();
 796
 797 #if defined(OS_WIN)
 798   ExtensionRegistry::Get(Profile::FromWebUI(web_ui()))->AddObserver(this);
 799
 800   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 801   if (!command_line.HasSwitch(switches::kUserDataDir)) {
 802     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 803         base::Bind(&BrowserOptionsHandler::CheckAutoLaunch,
 804                    weak_ptr_factory_.GetWeakPtr(),
 805                    profile->GetPath()));
 806   }
 807 #endif
 808
 809   auto_open_files_.Init(
 810       prefs::kDownloadExtensionsToOpen, prefs,
 811       base::Bind(&BrowserOptionsHandler::SetupAutoOpenFileTypes,
 812                  base::Unretained(this)));
 813   default_zoom_level_.Init(
 814       prefs::kDefaultZoomLevel, prefs,
 815       base::Bind(&BrowserOptionsHandler::SetupPageZoomSelector,
 816                  base::Unretained(this)));
 817   profile_pref_registrar_.Init(prefs);
 818   profile_pref_registrar_.Add(
 819       prefs::kWebKitDefaultFontSize,
 820       base::Bind(&BrowserOptionsHandler::SetupFontSizeSelector,
 821                  base::Unretained(this)));
 822   profile_pref_registrar_.Add(
 823       prefs::kWebKitDefaultFixedFontSize,
 824       base::Bind(&BrowserOptionsHandler::SetupFontSizeSelector,
 825                  base::Unretained(this)));
 826   profile_pref_registrar_.Add(
 827       prefs::kManagedUsers,
 828       base::Bind(&BrowserOptionsHandler::SetupManagingSupervisedUsers,
 829                  base::Unretained(this)));
 830   profile_pref_registrar_.Add(
 831       prefs::kSigninAllowed,
 832       base::Bind(&BrowserOptionsHandler::OnSigninAllowedPrefChange,
 833                  base::Unretained(this)));
 834   profile_pref_registrar_.Add(
 835       prefs::kEasyUnlockPairing,
 836       base::Bind(&BrowserOptionsHandler::SetupEasyUnlock,
 837                  base::Unretained(this)));
 838
 839 #if defined(OS_WIN)
 840   profile_pref_registrar_.Add(
 841       prefs::kURLsToRestoreOnStartup,
 842       base::Bind(&BrowserOptionsHandler::SetupExtensionControlledIndicators,
 843                  base::Unretained(this)));
 844   profile_pref_registrar_.Add(
 845       prefs::kHomePage,
 846       base::Bind(&BrowserOptionsHandler::SetupExtensionControlledIndicators,
 847                  base::Unretained(this)));
 848 #endif  // defined(OS_WIN)
 849
 850 #if defined(OS_CHROMEOS)
 851   if (!policy_registrar_) {
 852     policy_registrar_.reset(new policy::PolicyChangeRegistrar(
 853         policy::ProfilePolicyConnectorFactory::GetForProfile(profile)->
 854             policy_service(),
 855         policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME, std::string())));
 856     policy_registrar_->Observe(
 857         policy::key::kUserAvatarImage,
 858         base::Bind(&BrowserOptionsHandler::OnUserImagePolicyChanged,
 859                    base::Unretained(this)));
 860     policy_registrar_->Observe(
 861         policy::key::kWallpaperImage,
 862         base::Bind(&BrowserOptionsHandler::OnWallpaperPolicyChanged,
 863                    base::Unretained(this)));
 864   }
 865 #else  // !defined(OS_CHROMEOS)
 866   profile_pref_registrar_.Add(
 867       prefs::kProxy,
 868       base::Bind(&BrowserOptionsHandler::SetupProxySettingsSection,
 869                  base::Unretained(this)));
 870 #endif  // !defined(OS_CHROMEOS)
 871 }
 872
 873 void BrowserOptionsHandler::InitializePage() {
 874   page_initialized_ = true;
 875
 876   OnTemplateURLServiceChanged();
 877
 878   ObserveThemeChanged();
 879   OnStateChanged();
 880   UpdateDefaultBrowserState();
 881
 882   SetupMetricsReportingSettingVisibility();
 883   SetupFontSizeSelector();
 884   SetupPageZoomSelector();
 885   SetupAutoOpenFileTypes();
 886   SetupProxySettingsSection();
 887   SetupManageCertificatesSection();
 888   SetupManagingSupervisedUsers();
 889   SetupEasyUnlock();
 890   SetupExtensionControlledIndicators();
 891
 892 #if defined(OS_CHROMEOS)
 893   SetupAccessibilityFeatures();
 894   policy::BrowserPolicyConnectorChromeOS* connector =
 895       g_browser_process->platform_part()->browser_policy_connector_chromeos();
 896   if (!connector->IsEnterpriseManaged() &&
 897       !chromeos::UserManager::Get()->IsLoggedInAsGuest() &&
 898       !chromeos::UserManager::Get()->IsLoggedInAsLocallyManagedUser()) {
 899     web_ui()->CallJavascriptFunction(
 900         "BrowserOptions.enableFactoryResetSection");
 901   }
 902
 903   Profile* profile = Profile::FromWebUI(web_ui());
 904   OnAccountPictureManagedChanged(
 905       policy::ProfilePolicyConnectorFactory::GetForProfile(profile)->
 906           policy_service()->GetPolicies(
 907               policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
 908                                       std::string()))
 909              .Get(policy::key::kUserAvatarImage));
 910
 911   OnWallpaperManagedChanged(
 912       chromeos::WallpaperManager::Get()->IsPolicyControlled(
 913           chromeos::UserManager::Get()->GetActiveUser()->email()));
 914 #endif
 915 }
 916
 917 // static
 918 void BrowserOptionsHandler::CheckAutoLaunch(
 919     base::WeakPtr<BrowserOptionsHandler> weak_this,
 920     const base::FilePath& profile_path) {
 921 #if defined(OS_WIN)
 922   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 923
 924   // Auto-launch is not supported for secondary profiles yet.
 925   if (profile_path.BaseName().value() !=
 926           base::ASCIIToUTF16(chrome::kInitialProfile)) {
 927     return;
 928   }
 929
 930   // Pass in weak pointer to this to avoid race if BrowserOptionsHandler is
 931   // deleted.
 932   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 933       base::Bind(&BrowserOptionsHandler::CheckAutoLaunchCallback,
 934                  weak_this,
 935                  auto_launch_trial::IsInAutoLaunchGroup(),
 936                  auto_launch_util::AutoStartRequested(
 937                      profile_path.BaseName().value(),
 938                      true,  // Window requested.
 939                      base::FilePath())));
 940 #endif
 941 }
 942
 943 void BrowserOptionsHandler::CheckAutoLaunchCallback(
 944     bool is_in_auto_launch_group,
 945     bool will_launch_at_login) {
 946 #if defined(OS_WIN)
 947   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 948
 949   if (is_in_auto_launch_group) {
 950     web_ui()->RegisterMessageCallback("toggleAutoLaunch",
 951         base::Bind(&BrowserOptionsHandler::ToggleAutoLaunch,
 952         base::Unretained(this)));
 953
 954     base::FundamentalValue enabled(will_launch_at_login);
 955     web_ui()->CallJavascriptFunction("BrowserOptions.updateAutoLaunchState",
 956                                      enabled);
 957   }
 958 #endif
 959 }
 960
 961 bool BrowserOptionsHandler::ShouldShowSetDefaultBrowser() {
 962 #if defined(OS_CHROMEOS)
 963   // We're always the default browser on ChromeOS.
 964   return false;
 965 #else
 966   Profile* profile = Profile::FromWebUI(web_ui());
 967   return !profile->IsGuestSession();
 968 #endif
 969 }
 970
 971 bool BrowserOptionsHandler::ShouldShowMultiProfilesUserList() {
 972 #if defined(OS_CHROMEOS)
 973   // On Chrome OS we use different UI for multi-profiles.
 974   return false;
 975 #else
 976   if (helper::GetDesktopType(web_ui()) != chrome::HOST_DESKTOP_TYPE_NATIVE)
 977     return false;
 978   Profile* profile = Profile::FromWebUI(web_ui());
 979   if (profile->IsGuestSession())
 980     return false;
 981   return profiles::IsMultipleProfilesEnabled();
 982 #endif
 983 }
 984
 985 bool BrowserOptionsHandler::ShouldAllowAdvancedSettings() {
 986 #if defined(OS_CHROMEOS)
 987   // ChromeOS handles guest-mode restrictions in a different manner.
 988   return true;
 989 #else
 990   return !Profile::FromWebUI(web_ui())->IsGuestSession();
 991 #endif
 992 }
 993
 994 void BrowserOptionsHandler::UpdateDefaultBrowserState() {
 995 #if defined(OS_MACOSX)
 996   ShellIntegration::DefaultWebClientState state =
 997       ShellIntegration::GetDefaultBrowser();
 998   int status_string_id;
 999   if (state == ShellIntegration::IS_DEFAULT)
1000     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_DEFAULT;
1001   else if (state == ShellIntegration::NOT_DEFAULT)
1002     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT;
1003   else
1004     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN;
1005
1006   SetDefaultBrowserUIString(status_string_id);
1007 #else
1008   default_browser_worker_->StartCheckIsDefault();
1009 #endif
1010 }
1011
1012 void BrowserOptionsHandler::BecomeDefaultBrowser(const base::ListValue* args) {
1013   // If the default browser setting is managed then we should not be able to
1014   // call this function.
1015   if (default_browser_policy_.IsManaged())
1016     return;
1017
1018   content::RecordAction(UserMetricsAction("Options_SetAsDefaultBrowser"));
1019 #if defined(OS_MACOSX)
1020   if (ShellIntegration::SetAsDefaultBrowser())
1021     UpdateDefaultBrowserState();
1022 #else
1023   default_browser_worker_->StartSetAsDefault();
1024   // Callback takes care of updating UI.
1025 #endif
1026
1027   // If the user attempted to make Chrome the default browser, then he/she
1028   // arguably wants to be notified when that changes.
1029   PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs();
1030   prefs->SetBoolean(prefs::kCheckDefaultBrowser, true);
1031 }
1032
1033 int BrowserOptionsHandler::StatusStringIdForState(
1034     ShellIntegration::DefaultWebClientState state) {
1035   if (state == ShellIntegration::IS_DEFAULT)
1036     return IDS_OPTIONS_DEFAULTBROWSER_DEFAULT;
1037   if (state == ShellIntegration::NOT_DEFAULT)
1038     return IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT;
1039   return IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN;
1040 }
1041
1042 void BrowserOptionsHandler::SetDefaultWebClientUIState(
1043     ShellIntegration::DefaultWebClientUIState state) {
1044   int status_string_id;
1045
1046   if (state == ShellIntegration::STATE_IS_DEFAULT) {
1047     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_DEFAULT;
1048   } else if (state == ShellIntegration::STATE_NOT_DEFAULT) {
1049     if (ShellIntegration::CanSetAsDefaultBrowser() ==
1050             ShellIntegration::SET_DEFAULT_NOT_ALLOWED) {
1051       status_string_id = IDS_OPTIONS_DEFAULTBROWSER_SXS;
1052     } else {
1053       status_string_id = IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT;
1054     }
1055   } else if (state == ShellIntegration::STATE_UNKNOWN) {
1056     status_string_id = IDS_OPTIONS_DEFAULTBROWSER_UNKNOWN;
1057   } else {
1058     return;  // Still processing.
1059   }
1060
1061   SetDefaultBrowserUIString(status_string_id);
1062 }
1063
1064 bool BrowserOptionsHandler::IsInteractiveSetDefaultPermitted() {
1065   return true;  // This is UI so we can allow it.
1066 }
1067
1068 void BrowserOptionsHandler::SetDefaultBrowserUIString(int status_string_id) {
1069   base::StringValue status_string(
1070       l10n_util::GetStringFUTF16(status_string_id,
1071                                  l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
1072
1073   base::FundamentalValue is_default(
1074       status_string_id == IDS_OPTIONS_DEFAULTBROWSER_DEFAULT);
1075
1076   base::FundamentalValue can_be_default(
1077       !default_browser_policy_.IsManaged() &&
1078       (status_string_id == IDS_OPTIONS_DEFAULTBROWSER_DEFAULT ||
1079        status_string_id == IDS_OPTIONS_DEFAULTBROWSER_NOTDEFAULT));
1080
1081   web_ui()->CallJavascriptFunction(
1082       "BrowserOptions.updateDefaultBrowserState",
1083       status_string, is_default, can_be_default);
1084 }
1085
1086 void BrowserOptionsHandler::OnTemplateURLServiceChanged() {
1087   if (!template_url_service_ || !template_url_service_->loaded())
1088     return;
1089
1090   const TemplateURL* default_url =
1091       template_url_service_->GetDefaultSearchProvider();
1092
1093   int default_index = -1;
1094   base::ListValue search_engines;
1095   TemplateURLService::TemplateURLVector model_urls(
1096       template_url_service_->GetTemplateURLs());
1097   for (size_t i = 0; i < model_urls.size(); ++i) {
1098     if (!model_urls[i]->ShowInDefaultList())
1099       continue;
1100
1101     base::DictionaryValue* entry = new base::DictionaryValue();
1102     entry->SetString("name", model_urls[i]->short_name());
1103     entry->SetInteger("index", i);
1104     search_engines.Append(entry);
1105     if (model_urls[i] == default_url)
1106       default_index = i;
1107   }
1108
1109   web_ui()->CallJavascriptFunction(
1110       "BrowserOptions.updateSearchEngines",
1111       search_engines,
1112       base::FundamentalValue(default_index),
1113       base::FundamentalValue(
1114           template_url_service_->is_default_search_managed() ||
1115           template_url_service_->IsExtensionControlledDefaultSearch()));
1116
1117   SetupExtensionControlledIndicators();
1118 }
1119
1120 void BrowserOptionsHandler::SetDefaultSearchEngine(
1121     const base::ListValue* args) {
1122   int selected_index = -1;
1123   if (!ExtractIntegerValue(args, &selected_index)) {
1124     NOTREACHED();
1125     return;
1126   }
1127
1128   TemplateURLService::TemplateURLVector model_urls(
1129       template_url_service_->GetTemplateURLs());
1130   if (selected_index >= 0 &&
1131       selected_index < static_cast<int>(model_urls.size()))
1132     template_url_service_->SetUserSelectedDefaultSearchProvider(
1133         model_urls[selected_index]);
1134
1135   content::RecordAction(UserMetricsAction("Options_SearchEngineChanged"));
1136 }
1137
1138 void BrowserOptionsHandler::AddTemplateUrlServiceObserver() {
1139   template_url_service_ =
1140       TemplateURLServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
1141   if (template_url_service_) {
1142     template_url_service_->Load();
1143     template_url_service_->AddObserver(this);
1144   }
1145 }
1146
1147 void BrowserOptionsHandler::OnExtensionLoaded(
1148     content::BrowserContext* browser_context,
1149     const Extension* extension) {
1150   SetupExtensionControlledIndicators();
1151 }
1152
1153 void BrowserOptionsHandler::OnExtensionUnloaded(
1154     content::BrowserContext* browser_context,
1155     const Extension* extension,
1156     extensions::UnloadedExtensionInfo::Reason reason) {
1157   SetupExtensionControlledIndicators();
1158 }
1159
1160 void BrowserOptionsHandler::Observe(
1161     int type,
1162     const content::NotificationSource& source,
1163     const content::NotificationDetails& details) {
1164   // Notifications are used to update the UI dynamically when settings change in
1165   // the background. If the UI is currently being loaded, no dynamic updates are
1166   // possible (as the DOM and JS are not fully loaded) or necessary (as
1167   // InitializePage() will update the UI at the end of the load).
1168   if (!page_initialized_)
1169     return;
1170
1171   switch (type) {
1172     case chrome::NOTIFICATION_BROWSER_THEME_CHANGED:
1173       ObserveThemeChanged();
1174       break;
1175 #if defined(OS_CHROMEOS)
1176     case chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED:
1177       UpdateAccountPicture();
1178       break;
1179 #endif
1180     case chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED:
1181     SendProfilesInfo();
1182       break;
1183     case chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED:
1184       // Update our sync/signin status display.
1185       OnStateChanged();
1186       break;
1187     default:
1188       NOTREACHED();
1189   }
1190 }
1191
1192 void BrowserOptionsHandler::ToggleAutoLaunch(const base::ListValue* args) {
1193 #if defined(OS_WIN)
1194   if (!auto_launch_trial::IsInAutoLaunchGroup())
1195     return;
1196
1197   bool enable;
1198   CHECK_EQ(args->GetSize(), 1U);
1199   CHECK(args->GetBoolean(0, &enable));
1200
1201   Profile* profile = Profile::FromWebUI(web_ui());
1202   content::BrowserThread::PostTask(
1203       content::BrowserThread::FILE, FROM_HERE,
1204       enable ?
1205           base::Bind(&auto_launch_util::EnableForegroundStartAtLogin,
1206                      profile->GetPath().BaseName().value(), base::FilePath()) :
1207           base::Bind(&auto_launch_util::DisableForegroundStartAtLogin,
1208                       profile->GetPath().BaseName().value()));
1209 #endif  // OS_WIN
1210 }
1211
1212 scoped_ptr<base::ListValue> BrowserOptionsHandler::GetProfilesInfoList() {
1213   ProfileInfoCache& cache =
1214       g_browser_process->profile_manager()->GetProfileInfoCache();
1215   scoped_ptr<base::ListValue> profile_info_list(new base::ListValue);
1216   base::FilePath current_profile_path =
1217       web_ui()->GetWebContents()->GetBrowserContext()->GetPath();
1218
1219   for (size_t i = 0, e = cache.GetNumberOfProfiles(); i < e; ++i) {
1220     base::DictionaryValue* profile_value = new base::DictionaryValue();
1221     profile_value->SetString("name", cache.GetNameOfProfileAtIndex(i));
1222     base::FilePath profile_path = cache.GetPathOfProfileAtIndex(i);
1223     profile_value->Set("filePath", base::CreateFilePathValue(profile_path));
1224     profile_value->SetBoolean("isCurrentProfile",
1225                               profile_path == current_profile_path);
1226     profile_value->SetBoolean("isManaged", cache.ProfileIsManagedAtIndex(i));
1227
1228     bool is_gaia_picture =
1229         cache.IsUsingGAIAPictureOfProfileAtIndex(i) &&
1230         cache.GetGAIAPictureOfProfileAtIndex(i);
1231     if (is_gaia_picture) {
1232       gfx::Image icon = profiles::GetAvatarIconForWebUI(
1233           cache.GetAvatarIconOfProfileAtIndex(i), true);
1234       profile_value->SetString("iconURL",
1235           webui::GetBitmapDataUrl(icon.AsBitmap()));
1236     } else {
1237       size_t icon_index = cache.GetAvatarIconIndexOfProfileAtIndex(i);
1238       profile_value->SetString("iconURL",
1239                                profiles::GetDefaultAvatarIconUrl(icon_index));
1240     }
1241
1242     profile_info_list->Append(profile_value);
1243   }
1244
1245   return profile_info_list.Pass();
1246 }
1247
1248 void BrowserOptionsHandler::SendProfilesInfo() {
1249   if (!ShouldShowMultiProfilesUserList())
1250     return;
1251   web_ui()->CallJavascriptFunction("BrowserOptions.setProfilesInfo",
1252                                    *GetProfilesInfoList());
1253 }
1254
1255 void BrowserOptionsHandler::DeleteProfile(const base::ListValue* args) {
1256   DCHECK(args);
1257   const base::Value* file_path_value;
1258   if (!args->Get(0, &file_path_value))
1259     return;
1260
1261   base::FilePath file_path;
1262   if (!base::GetValueAsFilePath(*file_path_value, &file_path))
1263     return;
1264   helper::DeleteProfileAtPath(file_path, web_ui());
1265 }
1266
1267 void BrowserOptionsHandler::ObserveThemeChanged() {
1268   Profile* profile = Profile::FromWebUI(web_ui());
1269   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile);
1270   bool is_native_theme = false;
1271
1272 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1273   bool profile_is_managed = profile->IsManaged();
1274   is_native_theme = theme_service->UsingNativeTheme();
1275   base::FundamentalValue native_theme_enabled(!is_native_theme &&
1276                                               !profile_is_managed);
1277   web_ui()->CallJavascriptFunction("BrowserOptions.setNativeThemeButtonEnabled",
1278                                    native_theme_enabled);
1279 #endif
1280
1281   bool is_classic_theme = !is_native_theme &&
1282                           theme_service->UsingDefaultTheme();
1283   base::FundamentalValue enabled(!is_classic_theme);
1284   web_ui()->CallJavascriptFunction("BrowserOptions.setThemesResetButtonEnabled",
1285                                    enabled);
1286 }
1287
1288 void BrowserOptionsHandler::ThemesReset(const base::ListValue* args) {
1289   Profile* profile = Profile::FromWebUI(web_ui());
1290   content::RecordAction(UserMetricsAction("Options_ThemesReset"));
1291   ThemeServiceFactory::GetForProfile(profile)->UseDefaultTheme();
1292 }
1293
1294 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1295 void BrowserOptionsHandler::ThemesSetNative(const base::ListValue* args) {
1296   content::RecordAction(UserMetricsAction("Options_GtkThemeSet"));
1297   Profile* profile = Profile::FromWebUI(web_ui());
1298   ThemeServiceFactory::GetForProfile(profile)->SetNativeTheme();
1299 }
1300 #endif
1301
1302 #if defined(OS_CHROMEOS)
1303 void BrowserOptionsHandler::UpdateAccountPicture() {
1304   std::string email = chromeos::UserManager::Get()->GetLoggedInUser()->email();
1305   if (!email.empty()) {
1306     web_ui()->CallJavascriptFunction("BrowserOptions.updateAccountPicture");
1307     base::StringValue email_value(email);
1308     web_ui()->CallJavascriptFunction("BrowserOptions.updateAccountPicture",
1309                                      email_value);
1310   }
1311 }
1312
1313 void BrowserOptionsHandler::OnAccountPictureManagedChanged(bool managed) {
1314   web_ui()->CallJavascriptFunction("BrowserOptions.setAccountPictureManaged",
1315                                    base::FundamentalValue(managed));
1316 }
1317
1318 void BrowserOptionsHandler::OnWallpaperManagedChanged(bool managed) {
1319   web_ui()->CallJavascriptFunction("BrowserOptions.setWallpaperManaged",
1320                                    base::FundamentalValue(managed));
1321 }
1322 #endif
1323
1324 scoped_ptr<base::DictionaryValue>
1325 BrowserOptionsHandler::GetSyncStateDictionary() {
1326   scoped_ptr<base::DictionaryValue> sync_status(new base::DictionaryValue);
1327   Profile* profile = Profile::FromWebUI(web_ui());
1328   if (profile->IsManaged()) {
1329     sync_status->SetBoolean("supervisedUser", true);
1330     sync_status->SetBoolean("signinAllowed", false);
1331     return sync_status.Pass();
1332   }
1333   if (profile->IsGuestSession()) {
1334     // Cannot display signin status when running in guest mode on chromeos
1335     // because there is no SigninManager.
1336     sync_status->SetBoolean("signinAllowed", false);
1337     return sync_status.Pass();
1338   }
1339   sync_status->SetBoolean("supervisedUser", false);
1340
1341   bool signout_prohibited = false;
1342 #if !defined(OS_CHROMEOS)
1343   // Signout is not allowed if the user has policy (crbug.com/172204).
1344   signout_prohibited =
1345       SigninManagerFactory::GetForProfile(profile)->IsSignoutProhibited();
1346 #endif
1347
1348   ProfileSyncService* service =
1349       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
1350   SigninManagerBase* signin = SigninManagerFactory::GetForProfile(profile);
1351   DCHECK(signin);
1352   sync_status->SetBoolean("signoutAllowed", !signout_prohibited);
1353   sync_status->SetBoolean("signinAllowed", signin->IsSigninAllowed());
1354   sync_status->SetBoolean("syncSystemEnabled", (service != NULL));
1355   sync_status->SetBoolean("setupCompleted",
1356                           service && service->HasSyncSetupCompleted());
1357   sync_status->SetBoolean("setupInProgress",
1358       service && !service->IsManaged() && service->FirstSetupInProgress());
1359
1360   base::string16 status_label;
1361   base::string16 link_label;
1362   bool status_has_error = sync_ui_util::GetStatusLabels(
1363       service, *signin, sync_ui_util::WITH_HTML, &status_label, &link_label) ==
1364           sync_ui_util::SYNC_ERROR;
1365   sync_status->SetString("statusText", status_label);
1366   sync_status->SetString("actionLinkText", link_label);
1367   sync_status->SetBoolean("hasError", status_has_error);
1368
1369   sync_status->SetBoolean("managed", service && service->IsManaged());
1370   sync_status->SetBoolean("signedIn",
1371                           !signin->GetAuthenticatedUsername().empty());
1372   sync_status->SetBoolean("hasUnrecoverableError",
1373                           service && service->HasUnrecoverableError());
1374
1375   return sync_status.Pass();
1376 }
1377
1378 void BrowserOptionsHandler::HandleSelectDownloadLocation(
1379     const base::ListValue* args) {
1380   PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
1381   select_folder_dialog_ = ui::SelectFileDialog::Create(
1382       this, new ChromeSelectFilePolicy(web_ui()->GetWebContents()));
1383   ui::SelectFileDialog::FileTypeInfo info;
1384   info.support_drive = true;
1385   select_folder_dialog_->SelectFile(
1386       ui::SelectFileDialog::SELECT_FOLDER,
1387       l10n_util::GetStringUTF16(IDS_OPTIONS_DOWNLOADLOCATION_BROWSE_TITLE),
1388       pref_service->GetFilePath(prefs::kDownloadDefaultDirectory),
1389       &info,
1390       0,
1391       base::FilePath::StringType(),
1392       web_ui()->GetWebContents()->GetTopLevelNativeWindow(),
1393       NULL);
1394 }
1395
1396 void BrowserOptionsHandler::FileSelected(const base::FilePath& path, int index,
1397                                          void* params) {
1398   content::RecordAction(UserMetricsAction("Options_SetDownloadDirectory"));
1399   PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
1400   pref_service->SetFilePath(prefs::kDownloadDefaultDirectory, path);
1401   pref_service->SetFilePath(prefs::kSaveFileDefaultDirectory, path);
1402 }
1403
1404 #if defined(OS_CHROMEOS)
1405 void BrowserOptionsHandler::TouchpadExists(bool exists) {
1406   base::FundamentalValue val(exists);
1407   web_ui()->CallJavascriptFunction("BrowserOptions.showTouchpadControls", val);
1408 }
1409
1410 void BrowserOptionsHandler::MouseExists(bool exists) {
1411   base::FundamentalValue val(exists);
1412   web_ui()->CallJavascriptFunction("BrowserOptions.showMouseControls", val);
1413 }
1414
1415 void BrowserOptionsHandler::OnUserImagePolicyChanged(
1416     const base::Value* previous_policy,
1417     const base::Value* current_policy) {
1418   const bool had_policy = previous_policy;
1419   const bool has_policy = current_policy;
1420   if (had_policy != has_policy)
1421     OnAccountPictureManagedChanged(has_policy);
1422 }
1423
1424 void BrowserOptionsHandler::OnWallpaperPolicyChanged(
1425     const base::Value* previous_policy,
1426     const base::Value* current_policy) {
1427   const bool had_policy = previous_policy;
1428   const bool has_policy = current_policy;
1429   if (had_policy != has_policy)
1430     OnWallpaperManagedChanged(has_policy);
1431 }
1432
1433 void BrowserOptionsHandler::OnPowerwashDialogShow(
1434      const base::ListValue* args) {
1435   UMA_HISTOGRAM_ENUMERATION(
1436       "Reset.ChromeOS.PowerwashDialogShown",
1437       chromeos::reset::DIALOG_FROM_OPTIONS,
1438       chromeos::reset::DIALOG_VIEW_TYPE_SIZE);
1439 }
1440
1441 #endif  // defined(OS_CHROMEOS)
1442
1443 void BrowserOptionsHandler::UpdateSyncState() {
1444   web_ui()->CallJavascriptFunction("BrowserOptions.updateSyncState",
1445                                    *GetSyncStateDictionary());
1446 }
1447
1448 void BrowserOptionsHandler::OnSigninAllowedPrefChange() {
1449   UpdateSyncState();
1450 }
1451
1452 void BrowserOptionsHandler::HandleAutoOpenButton(const base::ListValue* args) {
1453   content::RecordAction(UserMetricsAction("Options_ResetAutoOpenFiles"));
1454   DownloadManager* manager = BrowserContext::GetDownloadManager(
1455       web_ui()->GetWebContents()->GetBrowserContext());
1456   if (manager)
1457     DownloadPrefs::FromDownloadManager(manager)->ResetAutoOpen();
1458 }
1459
1460 void BrowserOptionsHandler::HandleDefaultFontSize(const base::ListValue* args) {
1461   int font_size;
1462   if (ExtractIntegerValue(args, &font_size)) {
1463     if (font_size > 0) {
1464       PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
1465       pref_service->SetInteger(prefs::kWebKitDefaultFontSize, font_size);
1466       SetupFontSizeSelector();
1467     }
1468   }
1469 }
1470
1471 void BrowserOptionsHandler::HandleDefaultZoomFactor(
1472     const base::ListValue* args) {
1473   double zoom_factor;
1474   if (ExtractDoubleValue(args, &zoom_factor)) {
1475     default_zoom_level_.SetValue(content::ZoomFactorToZoomLevel(zoom_factor));
1476   }
1477 }
1478
1479 void BrowserOptionsHandler::HandleRestartBrowser(const base::ListValue* args) {
1480 #if defined(OS_WIN) && defined(USE_ASH)
1481   // If hardware acceleration is disabled then we need to force restart
1482   // browser in desktop mode.
1483   // TODO(shrikant): Remove this once we fix start mode logic for browser.
1484   // Currently there are issues with determining correct browser mode
1485   // at startup.
1486   if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH) {
1487     PrefService* pref_service = g_browser_process->local_state();
1488     if (!pref_service->GetBoolean(prefs::kHardwareAccelerationModeEnabled)) {
1489       chrome::AttemptRestartToDesktopMode();
1490       return;
1491     }
1492   }
1493 #endif
1494
1495   chrome::AttemptRestart();
1496 }
1497
1498 void BrowserOptionsHandler::HandleRequestProfilesInfo(
1499     const base::ListValue* args) {
1500   SendProfilesInfo();
1501 }
1502
1503 #if !defined(OS_CHROMEOS)
1504 void BrowserOptionsHandler::ShowNetworkProxySettings(
1505     const base::ListValue* args) {
1506   content::RecordAction(UserMetricsAction("Options_ShowProxySettings"));
1507   AdvancedOptionsUtilities::ShowNetworkProxySettings(
1508       web_ui()->GetWebContents());
1509 }
1510 #endif
1511
1512 #if !defined(USE_NSS) && !defined(USE_OPENSSL)
1513 void BrowserOptionsHandler::ShowManageSSLCertificates(
1514     const base::ListValue* args) {
1515   content::RecordAction(UserMetricsAction("Options_ManageSSLCertificates"));
1516   AdvancedOptionsUtilities::ShowManageSSLCertificates(
1517       web_ui()->GetWebContents());
1518 }
1519 #endif
1520
1521 #if defined(ENABLE_SERVICE_DISCOVERY)
1522
1523 void BrowserOptionsHandler::ShowCloudPrintDevicesPage(
1524     const base::ListValue* args) {
1525   content::RecordAction(UserMetricsAction("Options_CloudPrintDevicesPage"));
1526   // Navigate in current tab to devices page.
1527   OpenURLParams params(
1528       GURL(chrome::kChromeUIDevicesURL), Referrer(),
1529       CURRENT_TAB, content::PAGE_TRANSITION_LINK, false);
1530   web_ui()->GetWebContents()->OpenURL(params);
1531 }
1532
1533 #endif
1534
1535 void BrowserOptionsHandler::HandleRequestHotwordAvailable(
1536     const base::ListValue* args) {
1537   Profile* profile = Profile::FromWebUI(web_ui());
1538   std::string group = base::FieldTrialList::FindFullName("VoiceTrigger");
1539   if (group != "" && group != "Disabled") {
1540     if (HotwordServiceFactory::IsServiceAvailable(profile))
1541       web_ui()->CallJavascriptFunction("BrowserOptions.showHotwordSection");
1542   }
1543 }
1544
1545 void BrowserOptionsHandler::HandleLaunchEasyUnlockSetup(
1546     const base::ListValue* args) {
1547   easy_unlock::LaunchEasyUnlockSetup(Profile::FromWebUI(web_ui()));
1548 }
1549
1550 void BrowserOptionsHandler::HandleRequestHotwordSetupRetry(
1551     const base::ListValue* args) {
1552   // TODO(joshtrask): invoke BrowserOptions.showHotwordSection again, passing
1553   // the new error message if any.
1554   HotwordServiceFactory::RetryHotwordExtension(Profile::FromWebUI(web_ui()));
1555 }
1556
1557 void BrowserOptionsHandler::HandleRefreshExtensionControlIndicators(
1558     const base::ListValue* args) {
1559   SetupExtensionControlledIndicators();
1560 }
1561
1562 #if defined(OS_CHROMEOS)
1563 void BrowserOptionsHandler::HandleOpenWallpaperManager(
1564     const base::ListValue* args) {
1565   ash::Shell::GetInstance()->user_wallpaper_delegate()->OpenSetWallpaperPage();
1566 }
1567
1568 void BrowserOptionsHandler::VirtualKeyboardChangeCallback(
1569     const base::ListValue* args) {
1570   bool enabled = false;
1571   args->GetBoolean(0, &enabled);
1572
1573   chromeos::accessibility::EnableVirtualKeyboard(enabled);
1574 }
1575
1576 void BrowserOptionsHandler::PerformFactoryResetRestart(
1577     const base::ListValue* args) {
1578   policy::BrowserPolicyConnectorChromeOS* connector =
1579       g_browser_process->platform_part()->browser_policy_connector_chromeos();
1580   if (connector->IsEnterpriseManaged())
1581     return;
1582
1583   PrefService* prefs = g_browser_process->local_state();
1584   prefs->SetBoolean(prefs::kFactoryResetRequested, true);
1585   prefs->CommitPendingWrite();
1586
1587   // Perform sign out. Current chrome process will then terminate, new one will
1588   // be launched (as if it was a restart).
1589   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
1590 }
1591
1592 void BrowserOptionsHandler::HandleEnrollConsumerManagement(
1593     const base::ListValue* args) {
1594   // TODO(davidyu): Implement. http://crbug.com/353050.
1595 }
1596
1597 void BrowserOptionsHandler::SetupAccessibilityFeatures() {
1598   PrefService* pref_service = g_browser_process->local_state();
1599   base::FundamentalValue virtual_keyboard_enabled(
1600       pref_service->GetBoolean(prefs::kVirtualKeyboardEnabled));
1601   web_ui()->CallJavascriptFunction(
1602       "BrowserOptions.setVirtualKeyboardCheckboxState",
1603       virtual_keyboard_enabled);
1604 }
1605 #endif
1606
1607 void BrowserOptionsHandler::SetupMetricsReportingSettingVisibility() {
1608 #if defined(GOOGLE_CHROME_BUILD)
1609   // Don't show the reporting setting if we are in the guest mode.
1610   if (Profile::FromWebUI(web_ui())->IsGuestSession()) {
1611     base::FundamentalValue visible(false);
1612     web_ui()->CallJavascriptFunction(
1613         "BrowserOptions.setMetricsReportingSettingVisibility", visible);
1614   }
1615 #endif
1616 }
1617
1618 void BrowserOptionsHandler::SetupFontSizeSelector() {
1619   PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
1620   const PrefService::Preference* default_font_size =
1621       pref_service->FindPreference(prefs::kWebKitDefaultFontSize);
1622   const PrefService::Preference* default_fixed_font_size =
1623       pref_service->FindPreference(prefs::kWebKitDefaultFixedFontSize);
1624
1625   base::DictionaryValue dict;
1626   dict.SetInteger("value",
1627                   pref_service->GetInteger(prefs::kWebKitDefaultFontSize));
1628
1629   // The font size control displays the value of the default font size, but
1630   // setting it alters both the default font size and the default fixed font
1631   // size. So it must be disabled when either of those prefs is not user
1632   // modifiable.
1633   dict.SetBoolean("disabled",
1634       !default_font_size->IsUserModifiable() ||
1635       !default_fixed_font_size->IsUserModifiable());
1636
1637   // This is a poor man's version of CoreOptionsHandler::CreateValueForPref,
1638   // adapted to consider two prefs. It may be better to refactor
1639   // CreateValueForPref so it can be called from here.
1640   if (default_font_size->IsManaged() || default_fixed_font_size->IsManaged()) {
1641       dict.SetString("controlledBy", "policy");
1642   } else if (default_font_size->IsExtensionControlled() ||
1643              default_fixed_font_size->IsExtensionControlled()) {
1644       dict.SetString("controlledBy", "extension");
1645   }
1646
1647   web_ui()->CallJavascriptFunction("BrowserOptions.setFontSize", dict);
1648 }
1649
1650 void BrowserOptionsHandler::SetupPageZoomSelector() {
1651   PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
1652   double default_zoom_level = pref_service->GetDouble(prefs::kDefaultZoomLevel);
1653   double default_zoom_factor =
1654       content::ZoomLevelToZoomFactor(default_zoom_level);
1655
1656   // Generate a vector of zoom factors from an array of known presets along with
1657   // the default factor added if necessary.
1658   std::vector<double> zoom_factors =
1659       chrome_page_zoom::PresetZoomFactors(default_zoom_factor);
1660
1661   // Iterate through the zoom factors and and build the contents of the
1662   // selector that will be sent to the javascript handler.
1663   // Each item in the list has the following parameters:
1664   // 1. Title (string).
1665   // 2. Value (double).
1666   // 3. Is selected? (bool).
1667   base::ListValue zoom_factors_value;
1668   for (std::vector<double>::const_iterator i = zoom_factors.begin();
1669        i != zoom_factors.end(); ++i) {
1670     base::ListValue* option = new base::ListValue();
1671     double factor = *i;
1672     int percent = static_cast<int>(factor * 100 + 0.5);
1673     option->Append(new base::StringValue(
1674         l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, percent)));
1675     option->Append(new base::FundamentalValue(factor));
1676     bool selected = content::ZoomValuesEqual(factor, default_zoom_factor);
1677     option->Append(new base::FundamentalValue(selected));
1678     zoom_factors_value.Append(option);
1679   }
1680
1681   web_ui()->CallJavascriptFunction(
1682       "BrowserOptions.setupPageZoomSelector", zoom_factors_value);
1683 }
1684
1685 void BrowserOptionsHandler::SetupAutoOpenFileTypes() {
1686   // Set the hidden state for the AutoOpenFileTypesResetToDefault button.
1687   // We show the button if the user has any auto-open file types registered.
1688   DownloadManager* manager = BrowserContext::GetDownloadManager(
1689       web_ui()->GetWebContents()->GetBrowserContext());
1690   bool display = manager &&
1691       DownloadPrefs::FromDownloadManager(manager)->IsAutoOpenUsed();
1692   base::FundamentalValue value(display);
1693   web_ui()->CallJavascriptFunction(
1694       "BrowserOptions.setAutoOpenFileTypesDisplayed", value);
1695 }
1696
1697 void BrowserOptionsHandler::SetupProxySettingsSection() {
1698 #if !defined(OS_CHROMEOS)
1699   // Disable the button if proxy settings are managed by a sysadmin, overridden
1700   // by an extension, or the browser is running in Windows Ash (on Windows the
1701   // proxy settings dialog will open on the Windows desktop and be invisible
1702   // to a user in Ash).
1703   bool is_win_ash = false;
1704 #if defined(OS_WIN)
1705   chrome::HostDesktopType desktop_type = helper::GetDesktopType(web_ui());
1706   is_win_ash = (desktop_type == chrome::HOST_DESKTOP_TYPE_ASH);
1707 #endif
1708   PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
1709   const PrefService::Preference* proxy_config =
1710       pref_service->FindPreference(prefs::kProxy);
1711   bool is_extension_controlled = (proxy_config &&
1712                                   proxy_config->IsExtensionControlled());
1713
1714   base::FundamentalValue disabled(is_win_ash || (proxy_config &&
1715                                   !proxy_config->IsUserModifiable()));
1716   base::FundamentalValue extension_controlled(is_extension_controlled);
1717   web_ui()->CallJavascriptFunction("BrowserOptions.setupProxySettingsSection",
1718                                    disabled, extension_controlled);
1719
1720 #endif  // !defined(OS_CHROMEOS)
1721 }
1722
1723 void BrowserOptionsHandler::SetupManageCertificatesSection() {
1724 #if defined(OS_WIN)
1725   // Disable the button if the settings page is displayed in Windows Ash,
1726   // otherwise the proxy settings dialog will open on the Windows desktop and
1727   // be invisible to a user in Ash.
1728   if (helper::GetDesktopType(web_ui()) == chrome::HOST_DESKTOP_TYPE_ASH) {
1729     base::FundamentalValue enabled(false);
1730     web_ui()->CallJavascriptFunction("BrowserOptions.enableCertificateButton",
1731                                      enabled);
1732   }
1733 #endif  // defined(OS_WIN)
1734 }
1735
1736 void BrowserOptionsHandler::SetupManagingSupervisedUsers() {
1737   bool has_users = !Profile::FromWebUI(web_ui())->
1738       GetPrefs()->GetDictionary(prefs::kManagedUsers)->empty();
1739   base::FundamentalValue has_users_value(has_users);
1740   web_ui()->CallJavascriptFunction(
1741       "BrowserOptions.updateManagesSupervisedUsers",
1742       has_users_value);
1743 }
1744
1745 void BrowserOptionsHandler::SetupEasyUnlock() {
1746   bool has_pairing = !Profile::FromWebUI(web_ui())->GetPrefs()
1747       ->GetDictionary(prefs::kEasyUnlockPairing)->empty();
1748   base::FundamentalValue has_pairing_value(has_pairing);
1749   web_ui()->CallJavascriptFunction(
1750       "BrowserOptions.updateEasyUnlock",
1751       has_pairing_value);
1752 }
1753
1754 void BrowserOptionsHandler::SetupExtensionControlledIndicators() {
1755 #if defined(OS_WIN)
1756   base::DictionaryValue extension_controlled;
1757
1758   // Check if an extension is overriding the Search Engine.
1759   const extensions::Extension* extension = extensions::OverridesSearchEngine(
1760       Profile::FromWebUI(web_ui()), NULL);
1761   AppendExtensionData("searchEngine", extension, &extension_controlled);
1762
1763   // Check if an extension is overriding the Home page.
1764   extension = extensions::OverridesHomepage(Profile::FromWebUI(web_ui()), NULL);
1765   AppendExtensionData("homePage", extension, &extension_controlled);
1766
1767   // Check if an extension is overriding the Startup pages.
1768   extension = extensions::OverridesStartupPages(
1769       Profile::FromWebUI(web_ui()), NULL);
1770   AppendExtensionData("startUpPage", extension, &extension_controlled);
1771
1772   // Check if an extension is overriding the NTP page.
1773   GURL ntp_url(chrome::kChromeUINewTabURL);
1774   bool ignored_param;
1775   extension = NULL;
1776   content::BrowserURLHandler::GetInstance()->RewriteURLIfNecessary(
1777       &ntp_url,
1778       web_ui()->GetWebContents()->GetBrowserContext(),
1779       &ignored_param);
1780   if (ntp_url.SchemeIs("chrome-extension")) {
1781     using extensions::ExtensionRegistry;
1782     ExtensionRegistry* registry = ExtensionRegistry::Get(
1783         Profile::FromWebUI(web_ui()));
1784     extension = registry->GetExtensionById(ntp_url.host(),
1785                                            ExtensionRegistry::ENABLED);
1786   }
1787   AppendExtensionData("newTabPage", extension, &extension_controlled);
1788
1789   web_ui()->CallJavascriptFunction("BrowserOptions.toggleExtensionIndicators",
1790                                    extension_controlled);
1791 #endif  // defined(OS_WIN)
1792 }
1793
1794 }  // namespace options