Display shared module platforms on about://voicesearch page.

chrome/browser/ui/webui/voicesearch_ui.cc

Index: chrome/browser/ui/webui/voicesearch_ui.cc
diff --git a/chrome/browser/ui/webui/voicesearch_ui.cc b/chrome/browser/ui/webui/voicesearch_ui.cc
deleted file mode 100644
index dc62edfaa120024a087583a03c6acdd8fc76f944..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/voicesearch_ui.cc
+++ /dev/null
@@ -1,394 +0,0 @@
-// Copyright 2014 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/voicesearch_ui.h"
-
-#include <string>
-
-#include "base/command_line.h"
-#include "base/metrics/field_trial.h"
-#include "base/path_service.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/plugins/plugin_prefs.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/search/hotword_service.h"
-#include "chrome/browser/search/hotword_service_factory.h"
-#include "chrome/browser/ui/app_list/start_page_service.h"
-#include "chrome/browser/ui/webui/version_handler.h"
-#include "chrome/common/chrome_content_client.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/chrome_version_info.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/grit/chromium_strings.h"
-#include "chrome/grit/generated_resources.h"
-#include "chrome/grit/google_chrome_strings.h"
-#include "content/public/browser/plugin_service.h"
-#include "content/public/browser/url_data_source.h"
-#include "content/public/browser/web_ui.h"
-#include "content/public/browser/web_ui_data_source.h"
-#include "content/public/browser/web_ui_message_handler.h"
-#include "content/public/common/user_agent.h"
-#include "extensions/browser/extension_prefs.h"
-#include "extensions/browser/extension_system.h"
-#include "extensions/common/extension.h"
-#include "grit/browser_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "v8/include/v8.h"
-
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#endif
-
-using base::ASCIIToUTF16;
-using content::WebUIMessageHandler;
-
-namespace {
-
-content::WebUIDataSource* CreateVoiceSearchUiHtmlSource() {
-  content::WebUIDataSource* html_source =
-      content::WebUIDataSource::Create(chrome::kChromeUIVoiceSearchHost);
-
-  html_source->AddLocalizedString("loadingMessage",
-                                  IDS_VOICESEARCH_LOADING_MESSAGE);
-  html_source->AddLocalizedString("voiceSearchLongTitle",
-                                  IDS_VOICESEARCH_TITLE_MESSAGE);
-
-  html_source->SetJsonPath("strings.js");
-  html_source->AddResourcePath("about_voicesearch.js",
-                               IDR_ABOUT_VOICESEARCH_JS);
-  html_source->SetDefaultResource(IDR_ABOUT_VOICESEARCH_HTML);
-  return html_source;
-}
-
-// Helper functions for collecting a list of key-value pairs that will
-// be displayed.
-void AddPair16(base::ListValue* list,
-               const base::string16& key,
-               const base::string16& value) {
-  scoped_ptr<base::DictionaryValue> results(new base::DictionaryValue());
-  results->SetString("key", key);
-  results->SetString("value", value);
-  list->Append(results.release());
-}
-
-void AddPair(base::ListValue* list,
-             const base::StringPiece& key,
-             const base::StringPiece& value) {
-  AddPair16(list, UTF8ToUTF16(key), UTF8ToUTF16(value));
-}
-
-// Generate an empty data-pair which acts as a line break.
-void AddLineBreak(base::ListValue* list) {
-  AddPair(list, "", "");
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// VoiceSearchDomHandler
-//
-////////////////////////////////////////////////////////////////////////////////
-
-// The handler for Javascript messages for the about:flags page.
-class VoiceSearchDomHandler : public WebUIMessageHandler {
- public:
-  explicit VoiceSearchDomHandler(Profile* profile) : profile_(profile) {}
-
-  ~VoiceSearchDomHandler() override {}
-
-  // WebUIMessageHandler implementation.
-  void RegisterMessages() override {
-    web_ui()->RegisterMessageCallback(
-        "requestVoiceSearchInfo",
-        base::Bind(&VoiceSearchDomHandler::HandleRequestVoiceSearchInfo,
-                   base::Unretained(this)));
-  }
-
- private:
-  // Callback for the "requestVoiceSearchInfo" message. No arguments.
-  void HandleRequestVoiceSearchInfo(const base::ListValue* args) {
-    base::DictionaryValue voiceSearchInfo;
-    PopulatePageInformation(&voiceSearchInfo);
-    web_ui()->CallJavascriptFunction("returnVoiceSearchInfo",
-                                     voiceSearchInfo);
-  }
-
-  // Fill in the data to be displayed on the page.
-  void PopulatePageInformation(base::DictionaryValue* voiceSearchInfo) {
-    // Store Key-Value pairs of about-information.
-    scoped_ptr<base::ListValue> list(new base::ListValue());
-
-    // Populate information.
-    AddOperatingSystemInfo(list.get());
-    AddAudioInfo(list.get());
-    AddLanguageInfo(list.get());
-    AddHotwordInfo(list.get());
-
-    std::string extension_id = extension_misc::kHotwordExtensionId;
-    HotwordService* hotword_service =
-        HotwordServiceFactory::GetForProfile(profile_);
-    if (hotword_service && hotword_service->IsExperimentalHotwordingEnabled())
-      extension_id = extension_misc::kHotwordNewExtensionId;
-    AddExtensionInfo(extension_id, "Extension", list.get());
-
-    AddExtensionInfo(extension_misc::kHotwordSharedModuleId,
-                     "Shared Module",
-                     list.get());
-    AddAppListInfo(list.get());
-
-    // voiceSearchInfo will take ownership of list, and clean it up on
-    // destruction.
-    voiceSearchInfo->Set("voiceSearchInfo", list.release());
-  }
-
-  // Adds information regarding the system and chrome version info to list.
-  void AddOperatingSystemInfo(base::ListValue* list)  {
-    // Obtain the Chrome version info.
-    chrome::VersionInfo version_info;
-    AddPair(list,
-            l10n_util::GetStringUTF8(IDS_PRODUCT_NAME),
-            version_info.Version() + " (" +
-            chrome::VersionInfo::GetVersionStringModifier() + ")");
-
-    // OS version information.
-    std::string os_label = version_info.OSType();
-#if defined(OS_WIN)
-    base::win::OSInfo* os = base::win::OSInfo::GetInstance();
-    switch (os->version()) {
-      case base::win::VERSION_XP:
-        os_label += " XP";
-        break;
-      case base::win::VERSION_SERVER_2003:
-        os_label += " Server 2003 or XP Pro 64 bit";
-        break;
-      case base::win::VERSION_VISTA:
-        os_label += " Vista or Server 2008";
-        break;
-      case base::win::VERSION_WIN7:
-        os_label += " 7 or Server 2008 R2";
-        break;
-      case base::win::VERSION_WIN8:
-        os_label += " 8 or Server 2012";
-        break;
-      default:
-        os_label += " UNKNOWN";
-        break;
-    }
-    os_label += " SP" + base::IntToString(os->service_pack().major);
-
-    if (os->service_pack().minor > 0)
-      os_label += "." + base::IntToString(os->service_pack().minor);
-
-    if (os->architecture() == base::win::OSInfo::X64_ARCHITECTURE)
-      os_label += " 64 bit";
-#endif
-    AddPair(list, l10n_util::GetStringUTF8(IDS_ABOUT_VERSION_OS), os_label);
-
-    AddLineBreak(list);
-  }
-
-  // Adds information regarding audio to the list.
-  void AddAudioInfo(base::ListValue* list) {
-    // NaCl and its associated functions are not available on most mobile
-    // platforms. ENABLE_EXTENSIONS covers those platforms and hey would not
-    // allow Hotwording anyways since it is an extension.
-    std::string nacl_enabled = "not available";
-#if defined(ENABLE_EXTENSIONS)
-    nacl_enabled = "No";
-    // Determine if NaCl is available.
-    base::FilePath path;
-    if (PathService::Get(chrome::FILE_NACL_PLUGIN, &path)) {
-      content::WebPluginInfo info;
-      PluginPrefs* plugin_prefs = PluginPrefs::GetForProfile(profile_).get();
-      if (content::PluginService::GetInstance()->GetPluginInfoByPath(path,
-                                                                     &info) &&
-          plugin_prefs->IsPluginEnabled(info)) {
-        nacl_enabled = "Yes";
-      }
-    }
-#endif
-
-    AddPair(list, "NaCl Enabled", nacl_enabled);
-
-    AddPair(list,
-            "Microphone",
-            HotwordServiceFactory::IsMicrophoneAvailable() ? "Yes" : "No");
-
-    std::string audio_capture = "No";
-    if (profile_->GetPrefs()->GetBoolean(prefs::kAudioCaptureAllowed))
-      audio_capture = "Yes";
-    AddPair(list, "Audio Capture Allowed", audio_capture);
-
-    AddLineBreak(list);
-  }
-
-  // Adds information regarding languages to the list.
-  void AddLanguageInfo(base::ListValue* list) {
-    std::string locale =
-#if defined(OS_CHROMEOS)
-        // On ChromeOS locale is per-profile.
-        profile_->GetPrefs()->GetString(prefs::kApplicationLocale);
-#else
-        g_browser_process->GetApplicationLocale();
-#endif
-    AddPair(list, "Current Language", locale);
-
-    AddPair(list,
-            "Hotword Previous Language",
-            profile_->GetPrefs()->GetString(prefs::kHotwordPreviousLanguage));
-
-    AddLineBreak(list);
-  }
-
-  // Adds information specific to the hotword configuration to the list.
-  void AddHotwordInfo(base::ListValue* list)  {
-    std::string search_enabled = "No";
-    if (profile_->GetPrefs()->GetBoolean(prefs::kHotwordSearchEnabled))
-      search_enabled = "Yes";
-    AddPair(list, "Hotword Search Enabled", search_enabled);
-
-    std::string always_on_search_enabled = "No";
-    if (profile_->GetPrefs()->GetBoolean(prefs::kHotwordAlwaysOnSearchEnabled))
-      always_on_search_enabled = "Yes";
-    AddPair(list, "Always-on Hotword Search Enabled", always_on_search_enabled);
-
-    std::string audio_logging_enabled = "No";
-    HotwordService* hotword_service =
-        HotwordServiceFactory::GetForProfile(profile_);
-    if (hotword_service && hotword_service->IsOptedIntoAudioLogging())
-      audio_logging_enabled = "Yes";
-    AddPair(list, "Hotword Audio Logging Enabled", audio_logging_enabled);
-
-    std::string group = base::FieldTrialList::FindFullName(
-        hotword_internal::kHotwordFieldTrialName);
-    AddPair(list, "Field trial", group);
-
-    std::string new_hotwording_enabled = "No";
-    if (hotword_service && hotword_service->IsExperimentalHotwordingEnabled())
-      new_hotwording_enabled = "Yes";
-    AddPair(list, "New Hotwording Enabled", new_hotwording_enabled);
-
-    AddLineBreak(list);
-  }
-
-  // Adds information specific to an extension to the list.
-  void AddExtensionInfo(const std::string& extension_id,
-                        const std::string& name_prefix,
-                        base::ListValue* list) {
-    DCHECK(!name_prefix.empty());
-    std::string version("undefined");
-    std::string id("undefined");
-    base::FilePath path;
-
-    extensions::ExtensionSystem* extension_system =
-        extensions::ExtensionSystem::Get(profile_);
-    if (extension_system) {
-      ExtensionService* extension_service =
-          extension_system->extension_service();
-      const extensions::Extension* extension =
-          extension_service->GetExtensionById(extension_id, true);
-      if (extension) {
-        id = extension->id();
-        version = extension->VersionString();
-        path = extension->path();
-      }
-    }
-    AddPair(list, name_prefix + " Id", id);
-    AddPair(list, name_prefix + " Version", version);
-    AddPair16(list,
-              ASCIIToUTF16(name_prefix + " Path"),
-              path.empty() ?
-              ASCIIToUTF16("undefined") : path.LossyDisplayName());
-
-    extensions::ExtensionPrefs* extension_prefs =
-        extensions::ExtensionPrefs::Get(profile_);
-    int pref_state = -1;
-    extension_prefs->ReadPrefAsInteger(extension_id, "state", &pref_state);
-    std::string state;
-    switch (pref_state) {
-      case extensions::Extension::DISABLED:
-        state = "DISABLED";
-        break;
-      case extensions::Extension::ENABLED:
-        state = "ENABLED";
-        break;
-      case extensions::Extension::EXTERNAL_EXTENSION_UNINSTALLED:
-        state = "EXTERNAL_EXTENSION_UNINSTALLED";
-        break;
-      default:
-        state = "undefined";
-    }
-
-    AddPair(list, name_prefix + " State", state);
-
-    AddLineBreak(list);
-  }
-
-  // Adds information specific to voice search in the app launcher to the list.
-  void AddAppListInfo(base::ListValue* list) {
-#if defined (ENABLE_APP_LIST)
-    std::string state = "No Start Page Service";
-    app_list::StartPageService* start_page_service =
-        app_list::StartPageService::Get(profile_);
-    if (start_page_service) {
-      app_list::SpeechRecognitionState speech_state =
-          start_page_service->state();
-      switch (speech_state) {
-        case app_list::SPEECH_RECOGNITION_OFF:
-          state = "SPEECH_RECOGNITION_OFF";
-          break;
-        case app_list::SPEECH_RECOGNITION_READY:
-          state = "SPEECH_RECOGNITION_READY";
-          break;
-        case app_list::SPEECH_RECOGNITION_HOTWORD_LISTENING:
-          state = "SPEECH_RECOGNITION_HOTWORD_LISTENING";
-          break;
-        case app_list::SPEECH_RECOGNITION_RECOGNIZING:
-          state = "SPEECH_RECOGNITION_RECOGNIZING";
-          break;
-        case app_list::SPEECH_RECOGNITION_IN_SPEECH:
-          state = "SPEECH_RECOGNITION_IN_SPEECH";
-          break;
-        case app_list::SPEECH_RECOGNITION_STOPPING:
-          state = "SPEECH_RECOGNITION_STOPPING";
-          break;
-        case app_list::SPEECH_RECOGNITION_NETWORK_ERROR:
-          state = "SPEECH_RECOGNITION_NETWORK_ERROR";
-          break;
-        default:
-          state = "undefined";
-      }
-    }
-    AddPair(list, "Start Page State", state);
-#endif
-  }
-
-  Profile* profile_;
-
-  DISALLOW_COPY_AND_ASSIGN(VoiceSearchDomHandler);
-};
-
-}  // namespace
-
-///////////////////////////////////////////////////////////////////////////////
-//
-// VoiceSearchUI
-//
-///////////////////////////////////////////////////////////////////////////////
-
-VoiceSearchUI::VoiceSearchUI(content::WebUI* web_ui)
-    : content::WebUIController(web_ui) {
-  Profile* profile = Profile::FromWebUI(web_ui);
-  web_ui->AddMessageHandler(new VoiceSearchDomHandler(profile));
-
-  // Set up the about:voicesearch source.
-  content::WebUIDataSource::Add(profile, CreateVoiceSearchUiHtmlSource());
-}
-
-VoiceSearchUI::~VoiceSearchUI() {}