[Hotword] Putting preferences under search for hotword service. Putting behind a flag.

chrome/browser/ui/webui/options/browser_options_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/options/browser_options_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "apps/shell_window.h"
 #include "apps/shell_window_registry.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
+#include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/value_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/auto_launch_trial.h"
@@ skipping 223 matching lines @@
     { "fontSizeLabelLarge", IDS_OPTIONS_FONT_SIZE_LABEL_LARGE },
     { "fontSizeLabelMedium", IDS_OPTIONS_FONT_SIZE_LABEL_MEDIUM },
     { "fontSizeLabelSmall", IDS_OPTIONS_FONT_SIZE_LABEL_SMALL },
     { "fontSizeLabelVeryLarge", IDS_OPTIONS_FONT_SIZE_LABEL_VERY_LARGE },
     { "fontSizeLabelVerySmall", IDS_OPTIONS_FONT_SIZE_LABEL_VERY_SMALL },
     { "hideAdvancedSettings", IDS_SETTINGS_HIDE_ADVANCED_SETTINGS },
     { "homePageNtp", IDS_OPTIONS_HOMEPAGE_NTP },
     { "homePageShowHomeButton", IDS_OPTIONS_TOOLBAR_SHOW_HOME_BUTTON },
     { "homePageUseNewTab", IDS_OPTIONS_HOMEPAGE_USE_NEWTAB },
     { "homePageUseURL", IDS_OPTIONS_HOMEPAGE_USE_URL },
+    { "hotwordSearchDescription", IDS_HOTWORD_SEARCH_PREF_DESCRIPTION },
+    { "hotwordSearchIncognito", IDS_HOTWORD_SEARCH_INCOGNITO_PREF_CHKBOX },
+    { "hotwordSearchTimeout", IDS_HOTWORD_SEARCH_TIMEOUT_PREF_CHKBOX },
+    { "hotwordSearchTimeoutDescription",
+      IDS_HOTWORD_SEARCH_TIMEOUT_PREF_DESCRIPTION },
     { "importData", IDS_OPTIONS_IMPORT_DATA_BUTTON },
     { "improveBrowsingExperience", IDS_OPTIONS_IMPROVE_BROWSING_EXPERIENCE },
     { "languageAndSpellCheckSettingsButton",
       IDS_OPTIONS_SETTINGS_LANGUAGE_AND_INPUT_SETTINGS },
     { "linkDoctorPref", IDS_OPTIONS_LINKDOCTOR_PREF },
     { "manageAutofillSettings", IDS_OPTIONS_MANAGE_AUTOFILL_SETTINGS_LINK },
     { "manageLanguages", IDS_OPTIONS_TRANSLATE_MANAGE_LANGUAGES },
     { "managePasswords", IDS_OPTIONS_PASSWORDS_MANAGE_PASSWORDS_LINK },
     { "networkPredictionEnabledDescription",
       IDS_NETWORK_PREDICTION_ENABLED_DESCRIPTION },
@@ skipping 200 matching lines @@
                 IDS_CONTENT_CONTEXT_SPELLING_ASK_GOOGLE);
 #if defined(ENABLE_FULL_PRINTING)
   RegisterCloudPrintValues(values);
 #endif
 
   values->SetString("syncLearnMoreURL", chrome::kSyncLearnMoreURL);
   base::string16 omnibox_url = base::ASCIIToUTF16(chrome::kOmniboxLearnMoreURL);
   values->SetString(
       "defaultSearchGroupLabel",
       l10n_util::GetStringFUTF16(IDS_SEARCH_PREF_EXPLANATION, omnibox_url));
+  base::string16 hotword_url = base::ASCIIToUTF16(chrome::kHotwordLearnMoreURL);
+  values->SetString(
+      "hotwordSearchEnable",
+      l10n_util::GetStringFUTF16(IDS_HOTWORD_SEARCH_PREF_CHKBOX, hotword_url));
 
 #if defined(OS_CHROMEOS)
   Profile* profile = Profile::FromWebUI(web_ui());
   std::string name = profile->GetProfileName();
   std::string username =
       name.empty() ? name : gaia::SanitizeEmail(gaia::CanonicalizeEmail(name));
   values->SetString("username", username);
 #endif
 
   // Pass along sync status early so it will be available during page init.
@@ skipping 202 matching lines @@
 #endif  // defined(OS_CHROMEOS)
 
 #if defined(ENABLE_MDNS)
   if (cloud_print_mdns_ui_enabled_) {
     web_ui()->RegisterMessageCallback(
         "showCloudPrintDevicesPage",
         base::Bind(&BrowserOptionsHandler::ShowCloudPrintDevicesPage,
                    base::Unretained(this)));
   }
 #endif
+  web_ui()->RegisterMessageCallback(
+      "requestHotwordAvailabile",
+      base::Bind(&BrowserOptionsHandler::HandleRequestHotwordAvailable,
+                 base::Unretained(this)));
 }
 
 void BrowserOptionsHandler::Uninitialize() {
   registrar_.RemoveAll();
 }
 
 void BrowserOptionsHandler::OnStateChanged() {
   UpdateSyncState();
 }
 
@@ skipping 786 matching lines @@
       allowed);
 }
 
 void BrowserOptionsHandler::RemoveCloudPrintConnectorSection() {
   web_ui()->CallJavascriptFunction(
       "BrowserOptions.removeCloudPrintConnectorSection");
 }
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(ENABLE_FULL_PRINTING)
 
+void BrowserOptionsHandler::SendHotwordAvailable() {
+  std::string group = base::FieldTrialList::FindFullName("VoiceTrigger");
+  if (group != "" && group != "Disabled")
+    web_ui()->CallJavascriptFunction("BrowserOptions.showHotwordSection");
+}
+
+void BrowserOptionsHandler::HandleRequestHotwordAvailable(
+    const base::ListValue* args) {
+  SendHotwordAvailable();
+}
+
 #if defined(OS_CHROMEOS)
 void BrowserOptionsHandler::HandleOpenWallpaperManager(
     const base::ListValue* args) {
   wallpaper_manager_util::OpenWallpaperManager();
 }
 
 void BrowserOptionsHandler::VirtualKeyboardChangeCallback(
     const base::ListValue* args) {
   bool enabled = false;
   args->GetBoolean(0, &enabled);
@@ skipping 167 matching lines @@
 void BrowserOptionsHandler::SetupManagingSupervisedUsers() {
   bool has_users = !Profile::FromWebUI(web_ui())->
       GetPrefs()->GetDictionary(prefs::kManagedUsers)->empty();
   base::FundamentalValue has_users_value(has_users);
   web_ui()->CallJavascriptFunction(
       "BrowserOptions.updateManagesSupervisedUsers",
       has_users_value);
 }
 
 }  // namespace options